CN112857034B - Push plate kiln temperature control system - Google Patents
Push plate kiln temperature control system Download PDFInfo
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- CN112857034B CN112857034B CN202110219053.2A CN202110219053A CN112857034B CN 112857034 B CN112857034 B CN 112857034B CN 202110219053 A CN202110219053 A CN 202110219053A CN 112857034 B CN112857034 B CN 112857034B
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- temperature
- insulating layer
- kiln
- temperature sensor
- control system
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/30—Details, accessories, or equipment peculiar to furnaces of these types
- F27B9/3044—Furnace regenerators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/30—Details, accessories, or equipment peculiar to furnaces of these types
- F27B9/32—Casings
- F27B9/34—Arrangements of linings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/30—Details, accessories, or equipment peculiar to furnaces of these types
- F27B9/36—Arrangements of heating devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/30—Details, accessories, or equipment peculiar to furnaces of these types
- F27B9/40—Arrangements of controlling or monitoring devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Furnace Details (AREA)
Abstract
The invention relates to heat treatment equipment, in particular to a pushed slab kiln temperature control system, a kiln body is arranged on a rack, the pushed slab kiln temperature control system comprises an upper heat accumulator, a lower heat accumulator, an upper heat insulation layer, a lower heat insulation layer and a side heat insulation layer, good heat preservation can be performed, a branch pipe, an electric control valve, an air inlet cavity, an air collecting hood, a fan and an air distribution pipe are arranged, the temperature in a kiln body can be uniform through air circulation, the control is convenient, the side heat insulation layer is made of a plurality of heat insulation boards, the independent control is convenient, meanwhile, the prefabrication and the maintenance are convenient, and because the working temperature in the kiln body is higher, a fixing device is arranged on the outer side, the fixing device can be effectively protected, the installation stability is ensured, a pressing sleeve is made of hoop sheets and clamping sheets, the jacking and positioning are performed through the hoop sheets, the contact area is improved through the clamping sheets, and the purpose of stable fixing can be achieved.
Description
Technical Field
The invention relates to heat treatment equipment, in particular to a pushed slab kiln temperature control system.
Background
The preparation method of the alumina powder product generally comprises the steps of material selection, grinding, pulping, spray drying, forming, sintering and finishing, and is usually carried out through a kiln in the sintering process.
The shuttle kiln and the tunnel kiln are usually used in the sintering process of the alumina powder product, the shuttle kiln is suitable for sintering the alumina powder product with large volume, the tunnel kiln is suitable for sintering the alumina powder product with small volume, continuous production can be realized through the tunnel kiln, the production efficiency is high, the operation is convenient, and a good energy-saving effect can be achieved, and the push plate kiln is one of the tunnel kilns.
The existing pushed slab kiln mainly comprises a frame, a kiln body is arranged in the frame, a pushed slab track is arranged in the kiln body, a pushed slab is pushed to move integrally through a pushed slab device, alumina powder products enter from one end to the other end and move out of the other end, sintering is completed, continuous production is further achieved, the existing pushed slab kiln is mainly a single-channel pushed slab kiln, a pushed slab circulating device is arranged outside the pushed slab kiln, circulation of the pushed slab is achieved, the pushed slab is convenient to reuse, but the pushed slab circulates on the pushed slab circulating device, heat loss is high, further energy consumption is high, the pushed slab passes through a plurality of temperature rising and falling processes, the service life is shortened, a small part of the pushed slab is also used for a double-channel reverse pushed slab kiln, the pushed slab circulates in the kiln, and the heat loss can be effectively reduced.
The existing double-channel pusher kiln cannot well realize temperature control, and cannot well distribute the temperature when the temperature is uneven, so that the alumina powder product performance is uneven.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a pushed slab kiln temperature control system which can well preserve heat and ensure uniform temperature in a kiln body.
The invention is realized by the following technical scheme: the utility model provides a push pedal kiln temperature control system, includes the lower heat accumulator, lower heat accumulator lower extreme is provided with down the insulating layer, lower heat accumulator intermediate position is provided with the wall body along length direction, it all is provided with the side insulating layer to separate the body both sides, be provided with the heat accumulator between side insulating layer and the wall body, it is provided with the insulating layer to go up the heat accumulator upside, be provided with electric heater unit on the side insulating layer, be provided with the dustcoat between side insulating layer and the last insulating layer, the interval is provided with a plurality of tuber pipes that communicate to kiln chamber way on the dustcoat, be provided with automatically controlled valve on the tuber pipe, be provided with the air inlet chamber between the tip of dustcoat and the last heat accumulator, the air inlet chamber upper end is provided with the receipts fan, it is provided with ascending fan to receive the fan upper end, the air outlet of fan passes through cloth tuber pipe and tuber pipe intercommunication, still interval is provided with a plurality of temperature sensor on the side insulating layer.
Further, the side heat insulation layer comprises a plurality of heat insulation plates which are arranged along the same straight line, the electric heating device comprises a silicon molybdenum rod arranged on the inner side surface of the heat insulation plate, and the cold end of the silicon molybdenum rod extends out of the heat insulation plate and is connected to the electric pile.
Further, the lateral surface of heat insulating board is provided with the fixing device who is used for fixed silicon molybdenum stick, fixing device is including the clamp plate of suit outside the silicon molybdenum stick, clamp plate and the cold junction clearance fit of silicon molybdenum stick, the clamp plate outer end is provided with the pressure cover.
Further, the pressing sleeve is composed of two anchor ear pieces with arc-shaped cross sections, the two anchor ear pieces are connected through bolts, clamping pieces are arranged at the inner ends of the anchor ear pieces, the cross sections of the clamping pieces are arc-shaped, inverted teeth are arranged on the working faces of the clamping pieces, and conical holes matched with the clamping pieces are formed in the outer end faces of the pressing plates.
Further, a plurality of supporting beams for supporting the lower heat accumulator are arranged in the lower heat insulating layer at intervals, and the supporting beams are arranged along the length direction of the kiln body.
The invention has the beneficial effects that: the utility model provides a push pedal kiln temperature control system, including last heat accumulator, lower heat accumulator, go up the insulating layer, lower insulating layer, side insulating layer, can carry out fine heat preservation, set up and be in charge of, automatically controlled valve, the air inlet chamber, the receipts fan housing, the fan, the cloth tuber pipe, can make the temperature in the furnace body even through the wind circulation, conveniently control, side insulating layer is made by a plurality of heat insulating boards, make convenient individual control, make things convenient for prefabrication simultaneously, maintain, because the operating temperature in the furnace body is higher, set up fixing device in the outside, can effectual protection fixing device, guarantee installation stability simultaneously, press the cover to make by staple bolt piece and clamping piece, carry out roof pressure and location through the staple bolt piece, it is locking through the clamping piece, improve area of contact through the clamp plate, and then can reach the purpose of stable fixed.
Drawings
FIG. 1 is a schematic diagram of example 1;
FIG. 2 is a schematic diagram of a front view of a heat shield;
FIG. 3 is a schematic rear view of a heat shield;
FIG. 4 is a schematic cross-sectional view of example 1;
FIG. 5 is an enlarged schematic view of a portion of FIG. 4 at A;
FIG. 6 is a schematic top view of a pusher rail;
FIG. 7 is a schematic top view of a pusher plate;
FIG. 8 is a schematic front view in section of a push plate;
FIG. 9 is a schematic view of the end of a guide slot;
FIG. 10 is a schematic view of a support beam structure;
FIG. 11 is a schematic illustration of the connection of a silicon molybdenum rod to a side insulating panel;
FIG. 12 is a schematic diagram of the connection relationship between a silicon molybdenum rod and a press sleeve;
FIG. 13 is a schematic view of a hoop sheet structure;
fig. 14 is a schematic front view of a hoop sheet;
FIG. 15 is a schematic cross-sectional front view of a platen;
FIG. 16 is a schematic view of the connection between the housing and the hood;
FIG. 17 is a schematic view of the structure of the pusher plate apparatus;
wherein: 101-upright post, 102-platform, 2-supporting frame, 3-push plate device, 301-push plate oil cylinder, 302-supporting leg, 303-top plate, 304-guide sleeve, 305-guide post, 306-guide plate, 401-outer cover, 402-partition body, 403-wind collecting cover, 404-wind distribution pipe, 405-wind pipe, 406-electric control valve, 407-cover plate, 408-push plate track, 409-side heat insulation layer, 410-supporting bar, 411-temperature sensor, 412-silicon molybdenum rod, 413-conductive copper sheet, 414-electric pile, 415-upper heat insulation layer, 416-upper heat storage body, 417-lower heat storage body, 420-cable, 421-lower heat insulation layer, 422-supporting beam, 423-asbestos layer, 425-pouring layer, 426-bump, 427-push plate, 428-placing groove, 429-guide groove, 430-process hole, 431-pressing plate, 432-pressing sleeve, 433-conductive ring, 435-clip, 436-conical hole, 437-fan, 438-wind inlet cavity, and 431-partition board.
Detailed Description
In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the following description of the various embodiments of the present invention,
the heat insulation plate is made of polycrystalline mullite fiber board of Shandong Yubang energy saving technology Co Ltd, and is of the model of SS-PMF1700, the thickness is 50mm, and the heat insulation plate is resistant to 1700 ℃ high temperature;
the upper heat preservation layer, the lower heat preservation layer and the asbestos layer are filled with asbestos, and the thickness is 30mm;
the upper heat storage layer and the lower heat storage layer and the partition body are built by corundum refractory bricks of consolidated commercial navigation refractory materials trade company, and the brick type Al 2 O 3 The content is 72-80%, the high temperature of 1550 ℃ is resisted, the thickness of the upper heat storage layer and the lower heat storage layer is 100mm, and the thickness of the partition body is 120mm;
the pushing plate rail and the pushing plate are special-shaped corundum refractory bricks, and are the same as corundum refractory bricks of the strengthening commercial navigation and Jia refractory materials trade company, and have high resistance to 1650 ℃ and high wear resistance;
the casting layer is made of GLNC type refractory castable of Zibo high-music refractory material limited company, and has the thickness of 8mm and can resist high temperature of 1700 ℃;
the temperature sensor is a WRR2-131 type B thermocouple temperature sensor of Sanchang instrument limited company in Huaian city, and the detection temperature is 0-1600 ℃;
both the steel shell and the outer cover are made of 45# steel.
Example 1
As shown in fig. 1-17, a pusher kiln temperature control system comprises a lower heat accumulator 417, a lower heat insulating layer 421 is laid at the lower end of the lower heat accumulator, a steel shell with an upward opening is arranged at the upper end of a platform, the lower heat insulating layer is laid in the steel shell, a partition body 402 is laid at the middle position of the lower heat accumulator along the length direction, the heat accumulation can be well carried out through the partition body, the upper heat accumulator and the lower heat accumulator, further, the heat accumulation can radiate to alumina powder products, the sintering effect is ensured, side heat insulating layers 409 are arranged at both sides of the partition body, an upper heat accumulator is arranged between the side heat insulating layers and the partition body, an upper heat insulating layer is laid at the upper side of the upper heat accumulator, a kiln cavity channel is formed between the side heat insulating layers and the partition body, a pusher track 408 is laid at the bottom of the kiln cavity, a plurality of supporting beams 422 along the length direction of the kiln body are further arranged in the lower heat insulating layer for ensuring the flat pusher track and smooth movement of the pusher track, the supporting beam is a steel beam or a beam formed by pouring refractory mortar, the cross section of the supporting beam is I-shaped, the bending strength is high, a plurality of process holes 430 are uniformly processed on a web plate of the supporting beam, the supporting beam can be used for well insulating heat, stable support can be provided for the lower heat accumulator, further, the stability of a push plate track is ensured, a pouring layer is paved above the lower heat accumulation layer, a continuous smooth upper surface is formed after solidification, the lower heat accumulation layer can be protected, the lower heat accumulator is ensured to be still flat after long-term use, the cleaning is convenient, meanwhile, a push plate track is conveniently embedded in the manufacturing process, the push plate track is positioned, the push plate track is ensured to be flat, the push plate track is made of a plurality of single plates paved along the same straight line, the thickness of the single plates is 20mm, the cross section of the single plates is rectangular, the end parts of the single plates are integrally formed with mutually matched convex blocks 426 and grooves, convenient adjustment when the concatenation can prevent the dislocation when using, and then guarantees the push pedal and stably removes, and push pedal up end integrated into one piece has the standing groove 428 that is used for placing the alumina powder goods that wait to sinter, and end integrated into one piece has the guide way 429 with push pedal track matched with under the push pedal, and the medial surface of guide way is 95 with the contained angle of bottom surface, conveniently places, can carry out fine direction simultaneously, the tip chamfer of guide way flank, the direction that can be fine.
The main structure of the kiln body is composed of an upper heat accumulator, a lower heat accumulator, an upper heat insulating layer, a lower heat insulating layer, a side heat insulating layer, a heat insulating layer and an outer cover, the kiln body is arranged on a frame, the frame comprises a steel structure platform 102, the steel structure platform is built by I-steel, welded and fixed after leveling treatment, the structural stability is high, the service life is long, a stable platform can be provided for a push plate track, the push plate track is ensured to be flat, the lower end of the platform is fixed with a foundation through a plurality of upright posts 101 which are uniformly arranged, the leveling is realized, and the kiln body is arranged on the frame.
The support frame 2 is all installed at the frame both ends, install the push pedal device on the support frame, the push pedal device is including installing the push pedal hydro-cylinder 301 on the support frame, the push pedal hydro-cylinder is connected with limited pressure valve, play the insurance effect when promoting the jam, the piston rod end-to-end connection of push pedal hydro-cylinder has roof 303, promote the push pedal through the roof, can make the push pedal atress even, for guaranteeing the push pedal stability, install deflector 306 between the push pedal hydro-cylinder at the push pedal, the deflector passes through the landing leg and is connected with the support frame, the guide post 305 that passes the deflector is installed at the roof both ends, install on the deflector with guide post matched with uide bushing 304, and then guarantee push pedal device job stabilization.
The side heat insulating layer is provided with an electric heating device, specifically, the side heat insulating layer comprises a plurality of heat insulating plates which are arranged along the same straight line, the electric heating device comprises a silicon molybdenum rod 412 which is arranged on the inner side surface of the heat insulating plate, a groove matched with the silicon molybdenum rod is prefabricated on the inner side surface of the heat insulating plate for convenient fixing, the positioning is convenient, the cold end of the silicon molybdenum rod extends to the outside of the heat insulating plate and is connected to an electric pile 414, for improving the installation stability of the silicon molybdenum rod, the outer side surface of the heat insulating plate is provided with a fixing device for fixing the silicon molybdenum rod, the fixing device comprises a pressing plate 431 which is sleeved outside the silicon molybdenum rod, the outer diameter value of the pressing plate is 3 times of the outer diameter value of the silicon molybdenum rod, the thickness of the pressing plate is 12mm, the pressing plate is a steel plate, the pressing plate is in clearance fit with the cold end of the silicon molybdenum rod, the cold end of the silicon molybdenum rod can be fixed with the heat insulating plate through the pressing plate, the contact area is increased for preventing the pressing plate and the silicon molybdenum rod from axially moving relatively, the pressing sleeve 432 is arranged at the outer end of the pressing plate, the pressing sleeve consists of two anchor ear sheets with arc-shaped cross sections, the anchor ear sheets are made of stainless steel materials, the two anchor ear sheets are connected through bolts, a high-temperature resistant silicon rubber layer is arranged on the inner side surface of each anchor ear sheet, a clamping piece 435 is integrally formed at the inner end of each anchor ear sheet, the cross sections of the clamping pieces are arc-shaped, inverted teeth are machined on the working surface of each clamping piece, a conical hole 436 matched with each clamping piece is machined on the outer end surface of the pressing plate, when the pressing plate is prefabricated, a single heat insulating plate, a machining groove, a silicon-molybdenum rod mounting hole and a temperature sensor mounting hole are firstly manufactured, a silicon-molybdenum rod is mounted, the pressing plate is sleeved, then the pressing sleeve is mounted, the clamping pieces are pressed into the conical holes in the process of inwards pushing the pressing sleeve, the clamping pieces clamp the two clamping pieces clamp the cold ends of the silicon-molybdenum rod from the two sides of the cold ends of the silicon-molybdenum rod, due to the effect of the inverted tooth, the anti-back effect can be achieved, the hot end of the silicon-molybdenum rod is in the groove and is tightly attached to the bottom surface of the groove, the silicon-molybdenum rod is further fixed, and the bolt is screwed down to enable the two anchor ear pieces to be fixed with the cold end of the silicon-molybdenum rod through high-temperature-resistant silicon rubber, so that looseness is prevented.
For convenient maintenance, the conducting ring 433 is sleeved at the cold end of the silicon molybdenum rod, the conducting ring is a copper ring, the conducting ring is formed by bending a copper sheet, the conducting effect is good, the manufacture is convenient, the two ends of the copper sheet outwards extend to form connecting sheets, the conducting copper sheet is connected between the two connecting sheets through bolt compaction, the conducting stability is high, the tail end of the conducting copper sheet 413 extends to the position close to the connecting sheets, then an electric pile is connected, centralized maintenance is convenient, in the embodiment, two silicon molybdenum rods are installed on the same heat insulation board, the anode and the cathode of the two silicon molybdenum rods are electrically conducted to the same position through the conducting copper sheet, the maintenance is convenient, the outer cover 401 is installed between the side heat insulation layer and the upper heat insulation layer, the opening corresponding to the electric pile is processed on the outer cover, and the cover plate 407 is detachably installed at the opening.
In order to avoid the contact between the outer cover and the electric pile, a supporting bar 410 is also arranged between the side heat insulation layer and the outer cover, and the supporting bar is prefabricated and formed by refractory casting materials.
The cable 420 of the power supply and the temperature sensor extends downwards to the support post, so that the fixing is convenient.
In this embodiment, when laying the upper heat accumulation layer, a distance is spaced, a thermal expansion joint of 3mm is reserved, the air pipe is communicated with the thermal expansion joint, an electric control valve 406 is installed on the air pipe, an air inlet cavity 438 is reserved between the end part of the outer cover and the upper heat accumulation body, an air collecting cover 403 is installed at the upper end of the air inlet cavity, an upward fan 437 is installed at the upper end of the air collecting cover, an air outlet of the fan is communicated with the air pipe through an air distribution pipe, a partition plate is installed at the position, close to the air cover, of the upper heat accumulation body, the partition plate is a mesh plate, in the using process, the fan works with low power, so that an air inlet port of the kiln cavity enters the kiln cavity, and then slowly passes through the air distribution pipe and the air pipe to enter the kiln cavity, so that the air inlet end of the cavity forms negative pressure, heat is avoided overflowing, meanwhile, the air flow in the kiln cavity flows through slow air flow, the purpose of balancing the temperature in the cavity is achieved, when the temperature sensor detects that the local temperature is too high or too low, the corresponding fan power is increased, the partition plate is installed at the position close to the air inlet cavity power is closed, the valve is opened, and the temperature in the kiln cavity is uniform.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present invention.
Claims (5)
1. The utility model provides a push pedal kiln temperature control system, its characterized in that includes lower heat accumulator, lower heat accumulator lower extreme is provided with down the insulating layer, lower heat accumulator intermediate position is provided with the wall body along length direction, it all is provided with the side insulating layer to cut off the body both sides, be provided with the heat accumulator between side insulating layer and the wall body, it is provided with the insulating layer to go up the heat accumulator upside, be provided with electric heater unit on the side insulating layer, be provided with the dustcoat between side insulating layer and the last insulating layer, the interval is provided with a plurality of tuber pipes that communicate to kiln chamber channel on the dustcoat, be provided with automatically controlled valve on the tuber pipe, be provided with the air inlet chamber between the tip of dustcoat and the last heat accumulator, the air inlet chamber upper end is provided with the receipts fan, it is provided with the fan that receives the fan upper end, the air outlet of fan passes through cloth tuber pipe and tuber pipe intercommunication, still the interval is provided with a plurality of temperature sensor on the side insulating layer, goes up the heat insulating layer interval one section apart from reserving 3 mm's thermal expansion joint intercommunication, sets up to be provided with the low power cloth, makes the temperature sensor's temperature sensor to make the temperature of air inlet chamber, and the corresponding temperature sensor to the temperature sensor be slow down the temperature sensor, and the temperature sensor is passed through the corresponding temperature of low power inlet chamber, and the temperature sensor is high temperature sensor is passed through the temperature chamber, and the temperature sensor is the temperature chamber is the temperature-sensing chamber to the temperature of the temperature chamber is increased to the temperature of the corresponding, and the temperature chamber is the temperature of the kiln chamber, and the temperature is the temperature of the temperature is the temperature.
2. The pushed slab kiln temperature control system of claim 1, wherein the side insulating layer comprises a plurality of insulating boards arranged along the same straight line, the electric heating device comprises a silicon-molybdenum rod arranged on the inner side surface of the insulating board, and the cold end of the silicon-molybdenum rod extends to the outside of the insulating board and is connected to the electric pile.
3. The pushed slab kiln temperature control system according to claim 2, wherein a fixing device for fixing the silicon-molybdenum rod is arranged on the outer side face of the heat insulation plate, the fixing device comprises a pressing plate sleeved outside the silicon-molybdenum rod, the pressing plate is in clearance fit with the cold end of the silicon-molybdenum rod, and a pressing sleeve is arranged at the outer end of the pressing plate.
4. The pushed slab kiln temperature control system according to claim 3, wherein the pressing sleeve is composed of two hoop sheets with arc-shaped cross sections, the two hoop sheets are connected through bolts, clamping pieces are arranged at the inner ends of the hoop sheets, the cross sections of the clamping pieces are arc-shaped, inverted teeth are arranged on the working faces of the clamping pieces, and conical holes matched with the clamping pieces are formed in the outer end faces of the pressing plate.
5. The pushed slab kiln temperature control system of claim 1, wherein a plurality of support beams for supporting the lower heat accumulator are arranged in the lower heat insulating layer at intervals, and the support beams are arranged along the length direction of the kiln body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110219053.2A CN112857034B (en) | 2021-02-26 | 2021-02-26 | Push plate kiln temperature control system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110219053.2A CN112857034B (en) | 2021-02-26 | 2021-02-26 | Push plate kiln temperature control system |
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| CN112857034A CN112857034A (en) | 2021-05-28 |
| CN112857034B true CN112857034B (en) | 2023-10-03 |
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