CN218580020U - Super-large heat treatment tempering furnace with temperature control function - Google Patents

Abstract

The utility model discloses a super-huge heat treatment tempering furnace with control by temperature change function, including furnace body steel frame construction frame, pipeline subassembly and platform truck, the top of furnace body steel frame construction frame is provided with pipeline subassembly, the bottom of furnace body steel frame construction frame is provided with the platform truck. The utility model discloses a nozzle adopts heat accumulation formula energy-efficient combustor, furthest's fuel saving, more conventional combustion technology, energy-conserving effect can be up to 40% -50%, the heat accumulator adopts high-tech honeycomb pottery, high thermal storage efficiency, long service life, the regenerator has used novel switching-over device and control technique, make the switching-over time shorten greatly, by conventional 20-30min, shorten to 0.5-3min, novel regenerator heat transfer efficiency is high and the switching-over time is short, make exhaust gas temperature low, the temperature is below 150 ℃, the preheating temperature by preheating medium is high, waste gas waste heat has obtained the recovery that is close to the limit, regenerator temperature efficiency can reach more than 85%, heat recovery efficiency reaches more than 80%.

Description

Super-large heat treatment tempering furnace with temperature control function

Technical Field

The utility model relates to a heat treatment tempering furnace technical field specifically is a super-large heat treatment tempering furnace with control by temperature change function.

Background

The diameter of the super-large ring forging is large, the weight is heavy, and the quenching and tempering temperature of thermal treatment quenching and tempering is the core of the product quality, so the use of the thermal treatment device is very important, but the use of the existing related thermal treatment equipment still has certain defects, thereby being difficult to meet the existing use requirements.

The defects of the extra-large heat treatment tempering furnace with the temperature control function in the prior art are as follows:

patent document CN208151439U discloses a heat treatment tempering furnace, "includes the furnace body and locates regulation pole, heating positive pole and heating negative pole on the furnace body, the furnace body is tubular structure, heating positive pole and heating negative pole are followed the furnace body axial is located in the furnace body, be equipped with the piston on the regulation pole with wall sliding connection in the furnace body, furnace body lateral wall upper end is equipped with the overflow hole, be equipped with the water pipe on the overflow hole and be connected with liquid medicine recovery unit, wall upside in the furnace body is equipped with spacing, spacing edge the furnace body axial sets up, spacing length does half of furnace body length. The utility model provides a pair of heat treatment tempering furnace, adopt to set up the regulation pole on the furnace body, when electrode consumption shortens, controller control adjusts the pole and drives the piston and be close to the electrode, it is even to guarantee that liquid medicine heating, thereby guarantee that the work piece carries out the quality of tempering treatment, among the above-mentioned device, the device has the same weak point with traditional heat treatment device when using, the stove is bulky, the product of packing into has not the specification of equidimension to lead to stove air cycle not smooth, influence furnace temperature homogeneity, and if the electricity stove is used for production, electric stove manufacturing cost is high, need to consume a large amount of electric energy, increase investment cost by a wide margin, manufacturing cost and labour.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a super-huge heat treatment tempering furnace with temperature control function to solve the problem that proposes among the above-mentioned background art.

In order to achieve the purpose, the utility model provides a following technical scheme, a super large heat treatment tempering furnace with control by temperature change function, including furnace body steel frame construction frame, pipeline subassembly and platform truck, the top of furnace body steel frame construction frame is provided with pipeline subassembly, the bottom of furnace body steel frame construction frame is provided with the platform truck.

Preferably, the furnace body is arranged in the furnace body steel frame structure frame, and the bottom of the trolley is provided with a traction mechanism.

Preferably, a burner a component is arranged on one side of the furnace body steel frame structure frame, a burner b component is arranged on the other side of the furnace body steel frame structure frame, the tops of the burner a component and the burner b component are connected to the surface of the pipeline component, a heat accumulator is arranged inside the burner b component, and burners are arranged at the output ends of the burner a component and the burner b component.

Preferably, the front of the furnace body steel frame structure frame is provided with a furnace door assembly, the front end of the bottom of the furnace body steel frame structure frame is provided with a lifting mechanism assembly, and the bottom of the lifting mechanism assembly is connected to the top of the furnace door assembly.

Preferably, the back of the furnace body steel frame structure frame is provided with a control system component.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the energy-saving effect can reach 40-50% compared with the conventional combustion technology, the heat accumulator adopts high-technology honeycomb ceramics, the heat accumulation efficiency is high, the service life is long, the heat accumulation chamber uses a novel reversing device and a control technology, the reversing time is greatly shortened to 0.5-3min from the conventional 20-30min, the heat accumulation chamber has high heat transfer efficiency and short reversing time, the exhaust gas temperature is low, the temperature is below 150 ℃, the preheating temperature of a preheated medium is high, the waste gas waste heat is recovered close to the limit, the temperature efficiency of the heat accumulation chamber can reach above 85%, the heat recovery efficiency reaches above 80%, each burner is provided with an independent burner controller, each burner can be independently controlled and adjusted, the energy-saving effect is optimized, the temperature control uses a special temperature control system, a fuzzy control mode is used, PID control parameters are automatically calculated aiming at the temperature in the furnace, the output pulse quantity is calculated, and the furnace temperature reaches the optimal uniformity.

2. Through the special furnace door structure with the cold surface and the hot surface separated, the whole furnace door has good deformation resistance, the service life is prolonged, the smoke exhaust temperature of the device is low, and the smoke exhaust nitrogen oxide index meets the latest environment-friendly emission requirement.

Drawings

FIG. 1 is a front view of the present invention;

fig. 2 is a schematic sectional view of the traction mechanism structure of the present invention;

FIG. 3 is a schematic sectional view of the furnace body structure of the present invention;

fig. 4 is the schematic view of the structural section of the steel frame structure of the furnace body of the present invention.

In the figure: 1. a furnace body steel frame structure frame; 2. a conduit assembly; 3. a trolley; 4. a furnace body; 5. a traction mechanism; 6. a burner a assembly 6; 7. a burner b assembly 7; 8. an oven door assembly; 9. a lifting mechanism assembly; 10. And controlling the system components.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

The first embodiment is as follows:

referring to fig. 1, fig. 2, fig. 3, and fig. 4, the present invention provides an embodiment of an extra large heat treatment tempering furnace with a temperature control function, including a furnace body steel frame structure frame 1, a burner a component 6, and a burner b component 7, wherein a pipeline component 2 is disposed at the top of the furnace body steel frame structure frame 1, a trolley 3 is disposed at the bottom of the furnace body steel frame structure frame 1, a control system component 10 is disposed at the back of the furnace body steel frame structure frame 1, a furnace body 4 is disposed inside the furnace body steel frame structure frame 1, a traction mechanism 5 is disposed at the bottom of the trolley 3, the burner a component 6 is disposed at one side of the furnace body steel frame structure frame 1, the burner b component 7 is disposed at the other side of the furnace body steel frame structure frame 1, the tops of the burner a steel frame component 6 and the burner b component 7 are connected to the surface of the pipeline component 2, and a heat accumulator is disposed inside the burner b component 7;

the energy-saving effect can reach 40-50% compared with the conventional combustion technology, the heat accumulator adopts high-technology honeycomb ceramics, the heat accumulation efficiency is high, the service life is long, the heat accumulation chamber uses a novel reversing device and a control technology, the reversing time is greatly shortened to 0.5-3min from the conventional 20-30min, the heat accumulation chamber has high heat transfer efficiency and short reversing time, the exhaust gas temperature is low, the temperature is below 150 ℃, the preheating temperature of a preheated medium is high, the waste gas waste heat is recovered close to the limit, the temperature efficiency of the heat accumulation chamber can reach above 85%, the heat recovery efficiency reaches above 80%, each burner is provided with an independent burner controller, each burner can be independently controlled and adjusted, the energy-saving effect is optimized, the temperature control uses a special temperature control system, a fuzzy control mode is used, PID control parameters are automatically calculated aiming at the temperature in the furnace, the output pulse quantity is calculated, and the furnace temperature reaches the optimal uniformity.

Example two:

referring to fig. 1, 2, 3 and 4, in an embodiment of the present invention, a super-large heat treatment tempering furnace with a temperature control function includes a trolley 3, a furnace door assembly 8 and a lifting mechanism assembly 9, wherein the output ends of a burner a assembly 6 and a burner b assembly 7 are respectively provided with a burner, the front side of a furnace body steel frame structure frame 1 is provided with the furnace door assembly 8, the front end of the bottom of the furnace body steel frame structure frame 1 is provided with the lifting mechanism assembly 9, and the bottom of the lifting mechanism assembly 9 is connected to the top of the furnace door assembly 8;

through the special furnace door structure with the cold surface and the hot surface separated, the whole furnace door has good deformation resistance, the service life is prolonged, the smoke exhaust temperature of the device is low, and the smoke exhaust nitrogen oxide index meets the latest environment-friendly emission requirement.

The utility model discloses in, the device's working procedure as follows:

the method comprises the steps of installing 20 burners on two sides of a hearth, relatively distributing the burners, adopting multi-point combined temperature control to ensure furnace temperature uniformity, enabling each pair of burners to correspond to one temperature control point, enabling the precision of each temperature control point to reach +/-1-2 ℃, adopting zone temperature control to ensure effective control of a burner and furnace temperature uniformity, dividing the whole tempering furnace into 10 temperature zones, installing 1 thermocouple on each temperature zone top to monitor the furnace temperature, installing 1 thermocouple between every two burners on a furnace side wall to control the furnace temperature, conveying normal-temperature air from a fan into a burner a component 6 through a reversing device, heating the air to a high temperature when the air flows through a burner a component 6 heat accumulator, lowering the temperature by about 100 ℃ below the furnace temperature, mixing the air with gas, igniting the air into the hearth, heating the workpiece in the furnace by generating high-temperature flame after combustion, enabling the heat accumulating burners to appear in pairs, forcibly exhausting waste gas generated by combustion from another burner b component 7, simultaneously preheating the heat accumulator in the burner b component 7, recovering more than 90% of heat in the flue gas by the heat accumulator, finally discharging the air into the atmosphere at a temperature below 150 ℃, controlling a reversing system to emit an air exchange command, and changing the air into a reversing system, and completing the flue gas exchange of the lower burner.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (4)

1. The utility model provides an especially big thermal treatment tempering furnace with control by temperature change function, includes furnace body steel frame construction frame (1), pipeline subassembly (2) and platform truck (3), its characterized in that: the utility model discloses a burner, including furnace body steel frame structure frame (1), the top of furnace body steel frame structure frame (1) is provided with pipeline subassembly (2), the bottom of furnace body steel frame structure frame (1) is provided with platform truck (3), furnace body steel frame structure frame (1) one side is provided with nozzle a subassembly (6), the opposite side of furnace body steel frame structure frame (1) is provided with nozzle b subassembly (7), the top of nozzle a subassembly (6) and nozzle b subassembly (7) is connected in the surface of pipeline subassembly (2), the inside of nozzle b subassembly (7) is provided with the heat accumulator, the output of nozzle a subassembly (6) and nozzle b subassembly (7) all is provided with the combustor.

2. The super heat treatment tempering furnace with the temperature control function according to claim 1, wherein: the furnace body is arranged in the furnace body steel frame structure frame (1), and the bottom of the trolley (3) is provided with a traction mechanism (5).

3. The super heat treatment tempering furnace with the temperature control function according to claim 1, wherein: the furnace body steel frame structure frame is characterized in that a furnace door assembly (8) is arranged on the front side of the furnace body steel frame structure frame (1), a lifting mechanism assembly (9) is arranged at the front end of the bottom of the furnace body steel frame structure frame (1), and the bottom of the lifting mechanism assembly (9) is connected to the top of the furnace door assembly (8).

4. The super heat treatment tempering furnace with the temperature control function according to claim 1, wherein: the back of the furnace body steel frame structure frame (1) is provided with a control system component (10).

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