1. Direct heating furnace: a furnace that directly contacts the high-temperature gas or flame produced by combustion with the heating object. Direct heating furnaces are characterized by high heat transfer efficiency and fast heating speed. Common direct heating furnaces include flame furnaces and high-frequency induction furnaces.automatic-horizontal-band-saw-530a-ch-530ha  Flame furnace: directly heats objects through the heat of the combustion flame, often used in metal heating, glass melting and other processes. -High-frequency induction furnace: It uses high-frequency electromagnetic fields to generate eddy currents to generate heat inside objects. It is often used for metal heating and smelting.automatic-type-double-column-horizontal-gz4232  ⒉Indirect heating furnace: heat is transferred to the object through a medium or heat transfer device, and the object is heated through indirect contact with the high-temperature gas or flame generated by combustion through the heat transfer device. The indirect heating furnace is characterized by uniform and stable temperature, and is suitable for processes with higher temperature requirements. Common indirect heating furnaces include hot blast furnaces and resistance heating furnaces.automatic-type-double-column-horizontal-metal-band-sawing-machine-gz4240  -Hot blast stove: generates high-temperature flue gas through combustion, and transfers heat to objects in the industrial furnace through a heat exchanger. It is often used in processes such as drying and baking.automatic-type-double-column-horizontal-metal-band-sawing-machine-gz4240-1-5-meters-servo

1. Strictly follow the computer program to start the operation, turn on the main heating power (one, two, three and four zone heating switches) respectively, and maintain the continuous heating time for 6 hours.vertical-band-saws  That is: 150 degrees for 1 hour, 300 degrees for 1 hour, 450 degrees for 1 hour, 550 degrees for 1 hour, 700 degrees for half an hour, 800 degrees for half an hour, and 50 degrees per liter above 800 degrees for half an hour.vertical-metal-band-sawing-machine-cv-series  2.When the temperature of the quenching furnace reaches above 200 degrees, the furnace mouth cooling water should be turned on (consider saving water, as long as there is a small amount of flow, the water outlet should be 70 degrees)vertical-metal-band-sawing-machine-g5315-g5325-g5340  3. When the temperature of the quenching furnace reaches above 300 degrees, the mesh belt operation is started.vertical-metal-band-sawing-machine-g5325x65x750

The process of heat transfer through the furnace lining in an industrial furnace is that the heat of the hot flue gas in the furnace is transferred to the furnace wall through radiation and convection. In the furnace lining, the heat is transferred from the inner wall to the outer wall through conduction.automatic-type-double-column-horizontal-metal-band-sawing-machine-gz4240-1-5-meters-servo  When calculating the heat transfer of the furnace lining, in order to simplify the calculation, the following assumptions are generally made based on the actual situation: 1. The thermal conductivity of the furnace lining is stable, that is, the heat flow (or heat intensity) does not change with time; 2. The thermal conductivity of the furnace lining is one-dimensional. , that is, heat is only transferred along the normal direction of the isothermal surface; 3. The thermal conductivity of each layer of material is constant and equal to the thermal conductivity at the average temperature of the wall temperatures on both sides of each layer of material; 4. The contact between each layer So good that the contact surfaces of the two layers have the same temperature.automatic-type-double-column-horizontal-metal-band-sawing-machine-gz4240  When designing furnace linings, heat-resistant and insulating materials are generally pre-selected based on the operating temperature of the industrial furnace (hot surface temperature), and then the cold surface temperature is selected to determine the thickness of various materials to meet the system design requirements.automatic-type-double-column-horizontal-gz4232  Cold surface temperature is the most important variable that determines the economics of the entire furnace lining design. The selection of cold surface temperature should be determined based on comprehensive considerations such as reducing the heat loss of industrial furnaces and reducing production and infrastructure investment costs. Generally, the cold surface temperature of a continuously operating high-temperature industrial furnace is preferably 60 to 70°C. There are many variables involved in the heat transfer calculation of the furnace lining. In order to simplify the calculation, the concept of "thermal resistance" is introduced, thereby combining the two variables of the furnace lining thickness and material thermal conductivity into one variable.automatic-horizontal-band-saw-530a-ch-530ha

Push rod furnace, also known as push rod heating furnace, is a common industrial heating equipment. Its principle is to transfer high-temperature gas in the combustion chamber to the object to be heated through a push rod to achieve heating. This article will introduce in detail the working principle of the push rod furnace and its applications.Atmospheric Pressure and Vacuum Sintering of High Purity Dense MgO Ceramics 1. Working principle of push rod furnace The working principle of the push rod furnace is to use the push rod to transfer the high-temperature gas in the combustion chamber to the object to be heated, so that it reaches the required temperature. The push rod furnace is mainly composed of a combustion chamber, a push rod and a heating area.Applied Crack Repair Technology of Vacuum Brazing  The combustion chamber is the core component of the push rod furnace, which generates high-temperature gas by burning fuel. The fuel in the combustion chamber can be natural gas, liquefied gas or solid fuel. When fuel burns in the combustion chamber, a large amount of heat energy is generated, which increases the temperature in the combustion chamber.Influence of Reaction Sintering Process on Properties of Silicon Carbide Ceramics The push rod is an important component that connects the combustion chamber to the heating zone. It is located at one end of the combustion chamber and transfers the high-temperature gas in the combustion chamber to the heating zone by pushing it. The material of the push rod needs to be resistant to high temperatures and corrosion, and is usually made of high-temperature resistant alloys or ceramic materials.vertical-band-saws

Trolley furnace is a common high-temperature furnace used for high-temperature processes such as heat treatment and smelting. However, various malfunctions may occur with the trolley furnace during use. This article will introduce some common trolley furnace failures and their solutions.Influence of Reaction Sintering Process on Properties of Silicon Carbide Ceramics  Fault 1: Uneven heating Uneven heating of the trolley furnace may lead to unstable product quality and affect production efficiency. Common reasons include: ·The temperature inside the furnace is uneven. At this time, you can try to adjust the position of the heater, add insulation materials, etc.tck6340-tck6340s-tck6350-cnc-slant-bed-lathe-machine  ·The heater is damaged. Check whether the heater is damaged or aged and needs to be replaced. ·Control system failure. Check whether the control system is working properly and whether electronic components need to be replaced or software updated.tck500s  Fault 2: Overheating or cold in the furnace A furnace that is too hot or cold can also affect product quality, so it is crucial to identify and resolve these issues promptly. The following are possible causes of these problems: ·The furnace temperature controller is faulty. Check and replace the controller and correct the control parameters.automatic-horizontal-band-saw-for-profile-gz4250h  ·Thermal sensor failure. Check whether the temperature sensor is working properly and replace or repair it. ·Heater power supply problem. Check whether the heater circuit is normal and whether it needs to be replaced or repaired.

1. Open the water inlet valve of the sealed water bucket of the quenching furnace, fill the water bucket with water until the liquid level just overflows, then adjust the water inlet volume, and seal the sealing port at any time to prevent air from entering the furnace.vertical-metal-band-sawing-machine-cv-series  2. Check the height of the liquid level and water seal in the quenching tank so that the liquid level can seal between the furnace and the outside world and prevent air from entering the furnace. 3. Check whether the various gas sources are normal and whether the pipelines are smooth to ensure normal working needs.vertical-metal-band-sawing-machine-g5315-g5325-g5340  4. Check whether the fan cooling water pipe is smooth to ensure the normal operation of the fan. 5. Check whether the power line is normal to ensure normal heating in the furnace.vertical-metal-band-sawing-machine-g5325x65x750  6. Check whether the transmission and lifting are stuck.

The development of industry and economy has led to the continuous reduction of global energy resources. The importance of saving oil, coal, gas and other energy sources and environmental protection issues have been increasingly valued.special-sawing-machine-copper-wire-cutting-unit  Clean combustion and environmental protection have become a very important task for production enterprises. In In the production process of aluminum alloy profiles, energy such as electricity and fuel are indispensable substances. Although energy consumption is not the largest item in the total cost of aluminum profile production, today when humans around the world attach great importance to saving energy resources, it should also attract our attention. of great importance.special-numerical-control-sawing-machine-gzk4240  This article mainly conducts tests on the energy consumption of the 9930 mm × 2210 mm × 3260 mm aging furnace and the 14500 mm × 3300 mm × 3500 mm aging furnace l commonly used in aluminum alloy profile manufacturers, and respectively analyzes the energy consumption of processing aluminum products. , heat consumption, heat energy utilization, heat distribution in and out of the furnace and existing heat energy losses were studied, providing a reference for energy saving and consumption reduction of aging furnace equipment for aluminum alloy profile production.special-numerical-control-sawing-machine-gxk200  Equipment: 9930 mm×2210 mm×3260 mm aging furnace (A furnace), 14500 mm×3300 mm×3500 mm aging furnace (B furnace). Instruments: standard Pitot tube, combustion efficiency tester, U-shaped pressure gauge, electrical balance tester and infrared thermometer, etc.special-sawing-machine-gb4240-60

According to the appearance, they are roughly divided into the following four categories: box furnaces, vertical furnaces, cylindrical furnaces, and large square furnaces. This classification method is based on the appearance of the radiation chamber and has nothing to do with the convection chamber. The so-called box furnace, as its name implies, has a radiation chamber that is a "box-shaped" hexahedron. vacuum-brazing-repair-method-for-cracks  Compared with it, the width of the radiation chamber of the vertical furnace is narrower, and the ratio between the distance between the two side walls and the height of the furnace is about 1:2. The names of cylindrical furnace and large square furnace are also derived from the same reason. This is an early type of tube furnace.Vacuum brazing of ceramic and metal materials The burner burns horizontally, and the flue gas flows from top to bottom through the convection chamber across the partition wall between the radiant chamber and the convection chamber. The main disadvantage of this furnace type is the tube laying rate (the radiant chamber row has The ratio of the furnace wall of the tank to the total furnace wall area of the radiation chamber is low, and the furnace is large; the furnace tube needs to be hung with alloy, which is expensive; and an independent chimney is required. It is almost no longer used these days.Atmospheric Pressure and Vacuum Sintering of High Purity Dense MgO Ceramics The furnace space and furnace walls are utilized. Their advantage is that as long as the number of central partition walls is increased, the furnace can be enlarged in a "building block combination" while keeping the heating intensity of the furnace volume unchanged, so they are particularly suitable for large furnaces. When the heat load is large, although They also suffer from some of the inherent disadvantages of box furnaces, which are offset by the advantages mentioned above.Applied Crack Repair Technology of Vacuum Brazing

1. Direct-fired tube furnace: The direct-fired tube furnace directly transfers the heat generated by fuel combustion to the pipe through the burner to achieve heating. Its advantages are high thermal efficiency and fast heating speed, which is suitable for processes that require high heating speed. Common direct-fired tube furnaces include natural gas tube furnaces, heavy oil tube furnaces, etc.special-sawing-machine-gb4240-60  ⒉Indirect combustion tube furnace: The indirect combustion tube furnace transfers the heat generated by fuel combustion to the heating medium through the burner, and then transfers the heat to the pipe through the heating medium to achieve heating. The advantage is that the exhaust gas generated by combustion does not come into contact with the heated materials, thus avoiding problems such as pollution and oxidation. Common indirect combustion tube furnaces include gas hot blast stoves, oil hot blast stoves, etc.special-numerical-control-sawing-machine-gxk200  1. Gas tube furnace: Gas tube furnace is a method of heating pipes by using high-temperature combustion gas generated by burning gas. The advantage is that it heats up quickly temperature control.special-numerical-control-sawing-machine-gzk4240  Precise control, suitable for heating processes with high temperature requirements. Common gas tube furnaces include natural gas tube furnaces, liquefied petroleum gas tube furnaces, etc. ⒉ Liquid tube furnace: Liquid tube furnace is a method of heating pipes by using high-temperature combustion gas generated by burning liquid fuel. The advantage is that it has a wide variety of fuel types and a wide range of applications. At the same time, the heating temperature can be adjusted by controlling the fuel supply. Common liquid tube furnaces include fuel tube furnaces, diesel tube furnaces, etc.high-speed-circular-sawing-machine-hy-85nc

Box-type muffle furnace is a commonly used high-temperature furnace, which is widely used in metal heating, sintering, annealing and other processes. In order to ensure the accuracy and stability of the temperature in the furnace, it is very important to verify the box-type muffle furnace. This article will give a detailed introduction to the inspection records of box-type muffle furnaces.Maintenance of Vacuum Carburizing Furnaces Furnace door sealing performance verification The sealing performance of the furnace door is one of the important factors for the box-type muffle furnace to maintain temperature stability. automatic-horizontal-band-saw-530a-ch-530haThe verification record should include the following: 1. Check whether the furnace door seal is intact and whether there are problems such as aging and cracking;Applied Crack Repair Technology of Vacuum Brazing  ⒉. Make sure there is no obvious air leakage after the furnace door is closed; 3. Evaluate whether the sealing performance meets the requirements by observing whether there is obvious heat leakage around the furnace door.automatic-type-double-column-horizontal-gz4232

The mesh belt furnace is mainly composed of heating furnace body, mesh belt transmission device, feeding and discharging device, exhaust gas treatment device, automatic control system and other parts. The heating furnace body is the core part of the mesh belt furnace, which is mainly composed of the furnace body, heater, combustion chamber, fuel supply system, fan, exhaust gas treatment device, chimney and other parts.vacuum-brazing-repair-method-for-cracks  The heater can use various forms such as electric heating, gas heating, oil and gas mixed combustion, etc. According to different heating methods, the combustion chamber and fuel supply system are also different. Exhaust gas treatment devices can be divided into two methods: dry treatment and wet treatment. According to different exhaust gas treatment methods, the height and position of the chimney also need to be adjusted accordingly.Vacuum brazing of ceramic and metal materials In the mesh belt furnace, materials are sent into the furnace through the mesh belt conveyor and heat treated in a high-temperature atmosphere. The heater inside the furnace body heats the air or fuel and sends it into the combustion chamber, where it is mixed with the fuel for combustion. Vacuum Furnaces Leaks and Detection Techniques After the high-temperature gas generated by combustion is heated up layer by layer by the heater, it enters the interior of the furnace body, contacts the material to be processed and transfers heat, heating it to the required temperature until the heat treatment is completed. The heat-treated materials are sent out of the furnace through the discharging device and the mesh belt conveyor.Process optimization of alumina ceramic sintering technology

Adopt hot charging furnace technology. Hot charge charging is an effective measure for heating large forgings. That is, the steel ingots poured from the steel casting workshop are directly transported to the forging workshop for heating without cooling. Generally, the furnace temperature is controlled above 600C. Compared with cold material charging furnace, it can save about 40% energy. cnc-horizontal-metal-band-sawing-machine-gz4265  Rapid heating. Rapid heating is 5 times the normal heating speed. It is mainly suitable for carbon steel and low alloy steel forgings. It can shorten the heating cycle, reduce heating oxidation loss, improve heating quality and reduce fuel consumption. automatic-type-double-column-horizontal-gz4232  Induction heating. The use of induction heating furnaces is an important measure to save energy and reduce consumption in die forging workshops. It is mainly suitable for mass production of die forgings with little change in blank cross-sectional dimensions. automatic-horizontal-band-saw-530a-ch-530ha  Compared with ordinary flame furnaces, the thermal efficiency of induction heating furnaces can be 50% to 60% higher. %, the oxidation burning loss is only 0.5%, and the production efficiency can be increased by 10% to 30%.automatic-horizontal-band-saw-430a-ch-430ha

Industrial furnaces are important production equipment. They are widely used. For many companies, fuel consumption and energy costs are a large part of production costs. Therefore, studying how to improve the energy utilization efficiency of industrial furnaces, reduce energy consumption, and reduce production costs has become a research hotspot in the industrial field and a matter of concern to enterprises. This article will introduce energy-saving measures and methods for industrial furnaces.Vacuum Furnaces Leaks and Detection Techniques Combustion is the main energy consumption link of industrial furnaces. By improving combustion efficiency and reducing fuel consumption, you can effectively save save energy and reduce production costs. Methods to optimize combustion mainly include the following:Process optimization of alumina ceramic sintering technology Advanced burners can achieve an efficient combustion process and effectively control the gas temperature and combustion product emissions during the combustion process. Modern burner technology allows fuel and air to form strong stratified combustion inside through multiple mixing and separations, thereby achieving high-temperature and high-efficiency combustion and reducing smoke emissions. Compared with traditional burners, advanced burners can achieve higher thermal efficiency and lower pollution emissions, and are widely used in industrial fields.Atmospheric Pressure and Vacuum Sintering of High Purity Dense MgO Ceramics

Industrial furnace masonry is a process of building specific materials into a structure that meets process requirements based on design requirements. All the steps in this process constitute the entire industrial furnace masonry project. Furnace and kiln masonry projects include professional kiln masonry and general kiln masonry.Alumina ceramic densely sintered There are many types of industrial furnaces with wide uses. During the masonry construction process, not only the stability of the masonry structure itself should be considered, but also the purpose, basic performance and overall structure of the furnace including the metal structure should be fully understood. The characteristics and working principle of vacuum heat treatment furnaces From the selection of materials, There are special requirements for quality control in the entire project process and industrial furnace masonry projects. The main knowledge points of this article are: the general provisions for process handover and the main work at each stage of industrial furnace construction.Maintenance of Vacuum Carburizing Furnaces The industrial furnace masonry project should be installed after the furnace foundation, furnace frame structure and related equipment have been installed, and can only be constructed after passing the inspection and signing the process handover certificate.Applied Crack Repair Technology of Vacuum Brazing

With the continuous improvement and progress of the research and development and technology of zinc oxide arrester chips by electronic ceramics, this article mainly focuses on how the laboratory electric furnace meets the process and requirements of electronic ceramics for zinc oxide arresters. Through the analysis and transformation of the defects of the old electric furnace, we use Through piloting and promotion with very little investment, it not only meets the needs of research and development and technology, but also saves the cost of purchasing experimental electric furnaces.Powder Metallurgy Gear Manufacturing Process The electric furnace must be able to burn to at least 1200°C. (The maximum sintering temperature of the zinc oxide arrester chip firing process is 1150°C). After checking the manufacturer and the electric furnace data, we found that our electric furnace can work up to 1200°C.Vacuum Furnaces Leaks and Detection Techniques The process flow of zinc oxide arrester chip firing requires that the furnace temperature should be controlled between 0-10°C, and the smaller the controlled temperature difference, the better. Therefore, the key to the transformation of electric furnaces is temperature control. Process optimization of alumina ceramic sintering technology After adjusting and controlling the power of the electric furnace, it was found through repeated adjustments and tests that the old electric furnace could not control such a high accuracy. The furnace temperature control accuracy could only be controlled at 0-50°C. Such a temperature could not satisfy the test at all. Requirements for craftsmanship.Atmospheric Pressure and Vacuum Sintering of High Purity Dense MgO Ceramics

Carefully check whether the grounding wires of temperature measuring instruments, thermocouples, and electrical equipment are intact. Check whether there are other workpieces in the furnace and whether the furnace bottom plate and resistance wire are intact. Whether the furnace door opening and closing mechanism is flexible, etc.Vacuum Furnaces Leaks and Detection Techniques Turn on the power. After a few seconds, the circuit starts to work and the signal light turns on. Place the adjustable thermometer millivolt meter at the required scale. The electric furnace is heated and the constant temperature is automatically maintained.Process optimization of alumina ceramic sintering technology ③Heating should be carried out step by step for the first time, that is, 20-200℃ for 3 hours, 200-400℃ for 3 hours, and 400-600℃ for 2 hours.Atmospheric Pressure and Vacuum Sintering of High Purity Dense MgO Ceramics ④The loading and unloading of workpieces must be done without power. When loading the furnace, do not throw workpieces with force to avoid damaging electric heating elements, furnace bottom plates, etc.; it is strictly prohibited to load wet workpieces into the furnace to avoid breaking the refractory bricks on the furnace wall; cylindrical-grinding  the workpieces and electric heating elements heated in the furnace should be kept at 50-50°C. 7Omm distance; workpieces should be placed neatly and not stacked too high to avoid damaging the thermowell.

The coke oven carbonization chamber adopts a building block design, which is convenient for masonry and maintenance. The furnace walls are made of thin-walled silicon carbide bricks, which shortens the oven time and the coking cycle. The 40kg test coke oven adopts programmed temperature control heating and has a good working interface. special-numerical-control-sawing-machine-gxk200  The heating system can be set as needed. When connected to the computer, various test parameters can be displayed, recorded and printed. Experiments have shown that the center temperature curve of the coke cake of the JL-40 test coke oven is similar to the center temperature curve of the coke cake of the production coke oven.special-numerical-control-sawing-machine-gzk4240  The JL-40 test coke oven is a relatively advanced coking research equipment. Its main function is to conduct coking tests by mixing various coals in a certain proportion according to the coal resources for coking and the quality requirements of the coke. The coal blending test is to: (1) find a coal supply base for the new coking plant and determine an economical and reasonable coal use plan; Atmospheric Pressure and Vacuum Sintering of High Purity Dense MgO Ceramics (2) conduct coal quality identification of coal from newly put into operation and newly used coal, and evaluate its coking properties and its role in coal blending and coking in order to rationally utilize coking coal resources and expand the coking coal base; (3) adjust the production coal blending plan according to the coal supply situation to ensure coke quality; (4) inspect coking coal preparation and The effect of the new coking process.Process optimization of alumina ceramic sintering technology

The vertical weight of clinker is one of the references for evaluating the quality of clinker and the firing temperature in the kiln (mainly the temperature of the firing zone). By measuring the weight per liter of clinker particles with a particle size of 5mm-7mm, the weight per liter can be determined. The kiln condition is evaluated.vertical-metal-band-sawing-machine-g5315-g5325-g5340  Pour the clinker manually taken out from the clinker chain bucket machine onto the sieve, start the vibration motor, and sieve the vibrating screen so that the clinker smaller than 7mm leaks into the 5mm sieve through the sieve holes until the cooked material passes through the 5mm sieve every minute. vertical-metal-band-sawing-machine-cv-series  When the material does not exceed 30g, stop the vibration motor and pour the clinker remaining on the 7mm sieve. Pour the clinker with a vertical diameter of 5~7mm remaining on the 5mm sieve into the lifting cylinder, and use a glass plate to lift the clinker. vertical-band-saws  Scrape off the clinker coming out of the mouth of the lifting cylinder to make it level with the surface of the lifting cylinder, and then weigh it.Note: Clean the sieve holes of the vibrating screen frequently to ensure that the sieve holes are clear.cnc-horizontal-metal-band-sawing-machine-gz4265

Cold-rolled strip steel products are one of the important products widely used in all walks of life in our country's national economy, and are also the main products in our steel industry. The material properties, geometric dimensions and surface quality of cold rolled strip products are the main indicators to measure their quality. Vacuum heat treatment process optimization of reducer gear shaft  Nowadays, the material properties and geometric dimensions of cold-rolled strip steel products can basically achieve satisfactory results. However, with the continuous improvement of surface quality requirements in the automobile, home appliance and other industries, its surface quality has become a bottleneck that plagues many steel mills. Vacuum Heat Treatment for Gear Manufacturing question. Because the final surface quality of strip steel products will be affected by many links and factors such as equipment accuracy, process parameters, operating skills, production environment, warehousing and transportation, etc.,Application example of vacuum heat treatment technology in mold it is very difficult to improve and maintain stable quality levels. Many steel mills have also proposed the research topic of cold-rolled strip surface 2.0 to improve the surface quality of strip steel and meet the growing user market demand.Powder Metallurgy Gear Manufacturing Process

Answer: First open the adjustment mode: (1) From the front room to the back room, press the forward button F3 of the pusher until the signal light 1 of the material hook hooked to the tray lights up, and then press the back button F4 of the push-pull device to move the tray Pull out until the material tray reaches the pulling position, Applied Crack Repair Technology of Vacuum Brazing  the material hook is unhooked [unhook light 2 lights up] press F5 to open the middle door, press F3 to push the material tray into the back room, push it to the position and 4 lights up, the material hook returns to 5, The middle door is closed, the material hook returns to the original position, and the action stops. Vacuum Heat Treatment of Carbon Boron Steel Fasteners  (2)The material tray goes from the back room to the front room, firstly raise the lifting platform, press the F3 material hook to 11, open the middle door, stop the material hook to 4, then press F3, Correct use and maintenance of vacuum brazing furnace  (3)the material hook to the 13 grabbing position, Press F4, the material hook reaches 14, close the middle furnace door, the lifting table goes down to the oil tank, and the material hook returns to the original position.Influence of Vacuum Brazing Process on Microstructure of Tungsten and Steel