CN112050605A - A heating and energy-saving gypsum block continuous drying line - Google Patents

Abstract

The invention proposes a continuous drying line for heating and energy-saving gypsum blocks, which has N relatively independent drying rooms arranged in sequence in different levels, and each of the drying rooms is equipped with a heating system for supplying heat for drying A moisture removal system for dehumidification inside the room, and a hot air circulation system for guiding and circulating the hot air in the drying room; a partition device is provided between the adjacent drying rooms for the formation of the closed space of the drying room; The drying room is also equipped with a kiln car for stacking and placing gypsum blocks, and a track for guiding movement is laid below the kiln car. The track is laid from the first-level drying room to the N-th drying room, running through The entire drying line is used to achieve continuous drying of the gypsum blocks. It solves the problems of long drying time, high drying cost, high energy consumption, inability to drain moisture in time and uneven drying of gypsum blocks in the prior art.

Description

A heating and energy-saving gypsum block continuous drying line

technical field

The invention relates to the field of energy-saving drying of gypsum blocks, in particular to a continuous drying line for heating and energy-saving gypsum blocks.

Background technique

Most of the existing drying rooms will directly remove the hot air with moisture in the drying room in order to achieve the purpose of removing the moisture in the drying room during the working process, resulting in heat loss and uneven heating of gypsum blocks, thereby In addition, in the prior art, in order to improve the heat utilization rate, some directly recycle the exhausted hot air with moisture, which leads to the fact that the moisture in the drying room cannot be effectively eliminated, resulting in Excessive dehumidification or insufficient dehumidification.

SUMMARY OF THE INVENTION

In view of the deficiencies of the prior art, the present invention proposes a continuous drying line for heating and energy-saving gypsum blocks, which solves the problems of high energy consumption, inability to quantitatively dehumidify and uneven heating of gypsum blocks in the prior art.

The technical scheme of the present invention is realized as follows:

A heating and energy-saving gypsum block continuous drying line has N relatively independent drying rooms arranged in sequence in different levels. A circulating hot air circulation system; a partition device is provided between adjacent drying rooms for the formation of a relatively independent closed space for each drying room;

A track for guiding movement is laid in the drying room. The track connects N independent drying rooms and runs through the entire drying line. The track is equipped with a kiln car for stacking and placing gypsum blocks.

Preferably, in the continuous drying line for heating and energy-saving gypsum blocks, the N drying rooms are divided into a first-level drying room, a second-level drying room, ... N-level drying room, N≥3, successively performs primary drying, secondary drying, ..., N-level drying on the gypsum blocks until the drying of the gypsum blocks is completed.

Preferably, in the continuous drying line for heating and energy-saving gypsum blocks, the first-stage drying room is equipped with N sets of moisture removal systems, the second-stage drying room is equipped with N sets of moisture-removing systems, and the third-stage drying room is equipped with N-1 sets of dehumidification systems, ..., the N-level drying room is equipped with two sets of dehumidification systems.

Preferably, in the continuous drying line for heating and energy-saving gypsum blocks, the hot air circulation system includes a circulating fan and a return air duct partition, and the inside of the drying room is divided into an air distribution area and a drying area by the circulating fan , the air distribution area is located on the left side of the circulating fan, and the drying area is located on the right side of the circulating fan;

The return air duct partition is arranged in the drying room and above the drying area; a return air channel is formed between the return air duct partition and the top wall of the drying room, and the circulating fan is directed to the drying area. When supplying air, the hot air flows from the left side of the drying area to the right side of the drying area, and then returns to the air distribution area through the return air channel.

Preferably, in the continuous drying line for heating and energy-saving gypsum blocks, the circulating fan is a variable-frequency driving circulating fan, and the variable-frequency driving circulating fan automatically supplies air in forward and reverse directions according to program settings;

When the air is supplied in the forward direction, the hot air is blown from the left side of the drying area to the right side of the drying area, and then returns to the air distribution area through the return air channel, so as to circulate in a positive direction;

When the air is reversely supplied, the hot air is sent from the air distribution area, passes through the return air channel above the drying area, flows to the right side of the drying area, and blows from the right side of the drying area to the left side of the drying area, so Reverse cycle.

Preferably, in the continuous drying line for heating and energy-saving gypsum blocks, the heating system is a steam heating system, including a steam air supply source, a steam radiator and a main steam pipeline, and the steam radiator is arranged in the The right side of the circulating fan is located between the circulating fan and the drying area; the bottom of the steam radiator is connected with a drain valve and a drain pipe, and one end of the main steam pipe is connected to the top of the steam radiator. connection, the other end of the main steam pipeline extends to the outside of the drying room and is connected to the steam supply source;

The main steam pipeline is also connected with a stop valve and a steam switch pneumatic valve for controlling the flow of steam.

Preferably, in the continuous drying line for heating and energy-saving gypsum blocks, the heating system is a gas heating system, including a gas burner and a gas hot blast stove, and the gas hot blast stove is installed in the return air passage at the top of the drying area Inside, the gas burner is installed on the outer wall of the top of the drying area, the gas hot blast stove is connected to the gas burner through a flange, and the gas burner is located above the gas hot blast stove.

Preferably, in the continuous drying line for heating and energy-saving gypsum blocks, the gypsum blocks are stacked and placed on the kiln car in a matrix arrangement, that is, the gypsum blocks are divided into four parts from left to right The gypsum blocks are arranged in four rows from the front to the back, and the distances between each row are equal.

Preferably, in the continuous drying line for heating and energy-saving gypsum blocks, the partition device includes a frame body and an electric door, guide rails are respectively provided on both sides of the frame body, and two sides of the electric door are respectively provided with guide rails. There is a positioning pulley matched with the guide rail to prevent the electric door from derailing during the lifting of the guide rail;

The upper edge of the electric door is provided with a wire rope pulley, the frame body is provided with an electric hoist and a wire rope hook above the electric door, and the wire rope wound by the electric hoist passes through the wire rope pulley and the wire rope hanger. The hook is fixedly connected; the electric door is lifted and lowered along the guide rail under the action of the electric hoist;

The guide rail is also provided with an upper limit switch and a lower limit switch for lifting and lowering the electric door.

Preferably, in the continuous drying line for heating and energy-saving gypsum blocks, the dehumidification system includes a dehumidification fan and a dehumidification air duct, the dehumidification fan is located at the top of the drying room, and the dehumidification fan is located at the top of the drying room. The air inlet of the fan is communicated with the interior of the drying room through a pipe, and the air outlet of the moisture exhaust fan is communicated with the outdoors through the moisture exhaust air duct, and the rear end of the moisture exhaust air duct is provided with a rain cap.

Preferably, in the continuous drying line for heating and energy-saving gypsum blocks, the drying room is further provided with a temperature sensor, a temperature and humidity sensor and a PLC controller, and the PLC controller is used for receiving sensor signals and making feedback control, The PLC controller controls the moisture removal system by receiving the signal of the temperature and humidity sensor, and the PLC controller controls the heating system by receiving the signal of the temperature sensor.

Beneficial effects of the present invention:

1. The present invention can effectively carry out continuous drying of gypsum blocks according to the different drying coefficients through the N number of hierarchically arranged and relatively independent drying rooms, so as to achieve the purpose of energy saving, and at the same time, The interior of the drying room is equipped with a partition device, which is conducive to the formation of a closed space in the drying room, avoids excessive heat loss, and then achieves the purpose of efficient utilization of heat energy. Guided circulation, so that the gypsum blocks can be heated and dried effectively and evenly. In addition, the drying room is equipped with a moisture removal system, which can control the quantitative moisture removal of the moisture removal system through the reception and feedback of various signals by PLC sensors. , to avoid the problem of insufficient or excessive dehumidification.

2. There are kiln cars and tracks running through the whole drying line in the drying room, which is convenient for the placement, transportation and transportation of gypsum blocks. The gypsum blocks are arranged in a vertical matrix on the kiln car. It is conducive to the uniform and sufficient heating of the gypsum block, and at the same time, the lifting function of the partition device also provides great convenience for the operation of the drying line.

Description of drawings

In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention, and for those of ordinary skill in the art, other drawings can also be obtained from these drawings without any creative effort.

Fig. 1 is the drying room side view of a kind of heating energy-saving gypsum block continuous drying line of embodiment 1;

Fig. 2 is the top view of drying room of a kind of heating energy-saving gypsum block continuous drying line of embodiment 1;

Fig. 3 is the flow chart of a kind of heating energy-saving gypsum block continuous drying line of embodiment 1;

4 is a side view of a drying room of a continuous drying line for heating and energy-saving gypsum blocks in Example 2.

In the picture: 1-support frame, 2-main steam pipeline, 3-stop valve, 4-steam switch pneumatic valve, 5-circulation fan, 6-steam radiator, 7-support base, 8-drain pipe, 9-drain Valve, 10-buffer pad, 11-kiln car, 12-positioning pulley, 13-wire rope pulley, 14-deflector, 15-lower limit switch, 16-upper limit switch, 17-upper limit protection switch, 18-row Wet blower, 19-exhaust air duct, 20-steel wire rope hook, 21-electric hoist, 22-rain cap, 23-cable bridge, 24-pneumatic solenoid valve, 25-gypsum block, 26-high temperature resistant and hydrophobic Rock wool board, 27-temperature and humidity sensor, 28-temperature sensor, 29-electric door, 30-air distribution area, 31-support rod, 32-I-beam, 33-drying area, 34-access door, 35- First-level drying room, 36-second-level drying room, 37-third-level drying room, 38-fourth-level drying room, 39-gas burner, 40-gas hot blast stove.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Example 1

Referring to Figures 1-3, a continuous drying line for heating and energy-saving gypsum blocks has four relatively independent drying rooms arranged in sequence at different levels. Each drying room is equipped with a heating system, a moisture removal system, and A hot air circulation system that guides and circulates the hot air in the drying room; a partition device is provided between adjacent drying rooms for the formation of a relatively independent closed space for each drying room; the drying room is laid with tracks for guiding and moving. It connects four independent drying rooms and runs through the entire drying line. The track is equipped with a kiln car 11 for stacking and placing gypsum blocks.

As shown in FIG. 3 , this embodiment is divided into a first-level drying room 35, a second-level drying room 36, a third-level drying room 37, and a fourth-level drying room 38 according to the drying level in turn, and the Block 25 is subjected to primary drying, secondary drying, tertiary drying, and fourth drying. The first-level drying room 37, proceed to the fourth-level drying room 38 to complete the continuous drying of the gypsum blocks. Correspondingly, the first stage drying room 35 is equipped with four sets of moisture removal systems, the second stage drying room 36 is equipped with four sets of moisture removal systems, the third stage drying room 37 is equipped with three sets of moisture removal systems, and the fourth stage drying room is equipped with two sets Dehumidification system.

As shown in Figure 1-2, the hot air circulation system in the drying room includes a circulating fan 5 and a return air duct partition 14. The circulating fan 5 is installed on the support base 7 provided below it, and the inside of the drying room is divided by the circulating fan 5. For the air distribution area 30 and the drying area 33, the air distribution area 30 is located on the left side of the circulating fan 5, and the drying area 33 is located on the right side of the circulating fan 5. Preferably, the air distribution area 30 is provided with an inspection door 34, which is convenient for daily use. Monitoring and maintenance work; according to the length of the drying room, there are multiple circulating fans 5 in the drying room, as shown in Figure 2, and the multiple circulating fans 5 are arranged side by side along the length of the drying room. The return air duct partition 14 is arranged in the drying room and above the drying area 33, and the return air duct partition 14 is installed on the support rod 31 provided below it; the space between the return air duct partition 14 and the top wall of the drying room A return air channel is formed between the two sides. When the circulating fan 5 supplies air to the drying area 33, a negative pressure is generated behind the circulating fan 5, and the hot air flows from the left side of the drying area 33 to the right side of the drying area 33, and then passes through the return air channel. Return to air distribution zone 30.

More preferably, the circulating fan 5 is a variable-frequency-driven circulating fan, and the variable-frequency-driven circulating fan automatically supplies air in forward and reverse directions according to program settings.

When the circulating fan 5 is supplying air in the forward direction, the hot air is blown from the left side of the drying area 33 to the right side of the drying area 33, and then returns to the air distribution area 30 through the return air passage, so as to circulate in a forward direction.

When the circulating fan 5 supplies air in reverse, the hot air is sent out from the air distribution area 30, passes through the return air passage above the drying area 33, flows to the right side of the drying area 33, and is blown to the drying area from the right side of the drying area 33. The left side of zone 33, and so on in reverse.

The gypsum blocks 25 are stacked and placed on the kiln car 11 in a vertical matrix arrangement, so that the surface of the gypsum blocks 25 is fully heated when the hot air flows, so that the distribution of the hot air and the air volume is more uniform, namely: the gypsum blocks 25 The gypsum blocks 25 are arranged in four rows from left to right, and each row is equally spaced, and the gypsum blocks 25 are arranged in four rows from front to back, and each row is equally spaced. When the gypsum blocks 25 are arranged in this structure, the forward air supply mode of the circulating fan 5 is configured. The gypsum blocks 25 are neatly stacked vertically and placed on the kiln car 11 provided below the kiln car 11. The track provided below the kiln car 11 also provides convenience for the transportation and drying of the gypsum blocks 25. In addition, this arrangement method The gypsum block 25 can be heated and dried uniformly and effectively, and the drying quality of the gypsum block 25 can be ensured.

Preferably, the heating system is a steam heating system, including a steam air supply source, a steam radiator 6 and a main steam pipeline 2, the steam radiator 6 is installed on the support base 7, and the steam radiator 6 is arranged on the right side of the circulating fan 5, That is, it is located between the circulating fan 5 and the drying area 33; the bottom of the steam radiator 6 is connected with a drain valve 9 and a drain pipe 8, one end of the main steam pipe 2 is connected with the top of the steam radiator 6, and the other end of the main steam pipe 2 is connected to the top of the steam radiator 6. One end extends to the outside of the drying room and is connected to the steam supply source. The main steam pipeline 2 is erected on the support frame 1 provided below it, and the support frame 1 is also provided with a pneumatic solenoid valve 24 and a cable bridge 23. The main steam pipeline is also connected with a stop valve 3 for controlling the steam flow and a steam on-off pneumatic valve 4 for precise adjustment and control of the steam flow.

Preferably, the partition device includes a frame body and an electric door 29, guide rails are respectively provided on both sides of the frame body, the frame body is an I-beam 32, and two sides of the electric door 29 are respectively provided with positioning pulleys 12 that cooperate with the guide rails to To prevent the electric door 29 from derailing during the lifting of the guide rail; the upper edge of the electric door 29 is provided with three wire rope pulleys 13, and the I-beam 32 is located above the electric door 29 with an electric hoist 21 and a wire rope hook 20, the electric hoist 21 is wound around Some wire ropes pass through the three wire rope pulleys 13 and are fixedly connected to the wire rope hook 20; the electric door 29 is lifted and lowered along the guide rail under the action of the electric hoist 21; the guide rail is also provided with an upper limit switch for the lifting limit of the electric door 29. 16 and the lower limit switch 15. The upper limit switch 16 is also provided with an upper limit protection switch 17. Through the upper limit protection switch 17, the electric door 29 can have an automatic stroke protection function during the lifting process.

Among them, the electric hoist 21 is installed on the left side of the top of the I-beam 32, the wire rope hook 20 is installed on the right side of the top of the I-beam 32, the upper limit switch 16 is installed on the left side of the I-beam, and the lower limit switch 15 is installed on the On the left side of the I-beam, the lower limit protection switch 15 is located below the upper limit switch 16, the upper limit protection switch 17 is located above the upper limit switch 16, and the bottom end of the drying room is also provided with a widening groove and a buffer pad 10, It is used to protect the electric door 29 and to play a more effective sealing role in the drying area 33, which can effectively prolong the service life of the electric door 29 while ensuring full utilization of the heat in the drying room.

Preferably, the dehumidification system includes a dehumidification fan 18 and a dehumidification air duct 19. The dehumidification fan 18 is located at the top of the drying room. The tuyere is communicated with the outdoors through the moisture exhaust air duct 19, and the rear end of the moisture exhaust air duct 19 is provided with a rain cap 22, which can prevent external rainwater from entering the drying room.

More preferably, the wallboard of the drying room is a high temperature resistant and hydrophobic rock wool board 26, and the high temperature resistant and hydrophobic rock wool board 26 can be used for a long time in a high temperature and high humidity environment.

Preferably, the drying room is further provided with a temperature sensor 28, a temperature and humidity sensor 27 and a PLC controller, the temperature sensor 28 is located inside the drying room, the temperature and humidity sensor 27 is located at the inlet end of the dehumidification fan 18, and the PLC controller is used to receive various sensors The PLC controller controls the dehumidification fan 18 by receiving the signal of the temperature and humidity sensor 27 , and the PLC controller controls the steam radiator 6 and the circulating fan 5 by receiving the signal of the temperature sensor 28 .

Among them, the circulating fan 5 adopts frequency conversion control, and the acceleration and deceleration are carried out at a constant speed, which effectively solves the problem that the blades of the circulating fan 5 are easily broken. When the air supply speed is lower than the set wind speed, the steam radiator 6 stops heating, thereby forming a countermeasure to the circulating fan. 5 effectively protects and prolongs its service life. In addition, the circulating fan 5 adjusts the wind speed through frequency conversion control, which can move the humidity in the drying room to the front end. The temperature and humidity sensor 27 detects that the humidity and temperature in the drying room reach the emission value. At the time of drying, the dehumidification fan 18 is automatically turned on, and the dehumidification fan 18 exhausts the moisture in the drying room to the outside through the moisture exhaust duct 19, which effectively solves the problem of insufficient or excessive dehumidification, and also effectively reduces the amount of drying. The drying time is improved, and the drying efficiency is improved. In addition, the PLC realizes the start or stop of the heating system through the reception of the signal of the temperature sensor 28, which effectively solves the problem of uneven and unstable temperature.

Example 2

As shown in FIG. 4 , the main structure of Embodiment 2 is the same as that of Embodiment 1, and the difference in structure is that the heating system in this embodiment is a gas heating system, including a gas burner 39 and a gas hot blast stove 40 , and a gas hot blast stove 40 Installed in the return air passage at the top of the drying area 33, the gas burner 39 is installed on the top outer wall of the drying area 33, the gas hot blast stove 40 and the gas burner 39 are connected by flanges, and the gas burner 39 is located in the gas hot blast stove 40. above.

In this embodiment, four relatively independent drying rooms are arranged in sequence, so that the gypsum blocks can be effectively and continuously dried according to the different drying levels. At the same time, the heating system, The moisture removal system, the partition device and the hot air circulation system can fully and uniformly dry the gypsum blocks in the drying room in a continuous manner. The track of the line efficiently conveys the gypsum blocks, which ensures the normal operation of the drying line.

It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

It is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top" , "bottom", "inside", "outside", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the indicated A device or element must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the invention.

Furthermore, the terms "first", "second", "element I", and "element II" are used for descriptive purposes only, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature defined as "first", "second", "element I", "element II" may expressly or implicitly include one or more of such features. In the description of the present invention, "plurality" and "several" mean two or more, unless otherwise expressly and specifically defined.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the scope of the present invention. within the scope of protection.

Claims (10)

1. A heating energy-saving gypsum block continuous drying line is characterized in that, there are N drying rooms arranged in sequence and relatively independent in grades, and each described drying room is equipped with a heating system, a dehumidification system, and A hot air circulation system that guides and circulates the hot air in the drying room; a partition device is provided between adjacent drying rooms for the formation of a relatively independent closed space for each drying room; A track for guiding movement is laid in the drying room. The track connects N independent drying rooms and runs through the entire drying line. The track is equipped with a kiln car for stacking and placing gypsum blocks. 2. The continuous drying line for heating energy-saving gypsum blocks according to claim 1, wherein the N drying rooms are sequentially divided into first-level drying rooms and second-level drying rooms according to the setting of drying levels. Drying room, ..., the Nth level drying room, N≥3, respectively carry out primary drying, secondary drying, ..., N-level drying on the gypsum blocks in turn, until the gypsum block is completed. drying. 3 . The continuous drying line for heating and energy-saving gypsum blocks according to claim 1 , wherein the first-stage drying room is equipped with N sets of moisture removal systems, and the second-stage drying room is equipped with N sets of moisture removal systems. 4 . , The third-level drying room is equipped with N-1 sets of dehumidification systems, ..., the N-level drying room is equipped with two sets of dehumidification systems. 4. The continuous drying line for heating and energy-saving gypsum blocks according to any one of claims 1-3, wherein the dehumidification system comprises a dehumidification fan and a dehumidification air duct, and the dehumidification fan is located in the On the top of the drying room, the air inlet of the moisture exhaust fan is communicated with the interior of the drying room through a pipeline, and the air outlet of the moisture exhaust fan is communicated with the outdoors through the moisture exhaust air duct; The rear end of the moisture exhaust air duct is provided with a rain cap. 5. A heating and energy-saving gypsum block continuous drying line according to claim 1, wherein the hot air circulation system comprises a circulation fan and a return air duct partition, and the inside of the drying room is divided into two parts by the circulation fan. an air distribution area and a drying area, the air distribution area is located on the left side of the circulating fan, and the drying area is located on the right side of the circulating fan; The return air duct partition is arranged in the drying room and above the drying area; a return air channel is formed between the return air duct partition and the top wall of the drying room, and the circulating fan is directed to the drying area. When supplying air, the hot air flows from the left side of the drying area to the right side of the drying area, and then returns to the air distribution area through the return air channel. 6. A heating and energy-saving gypsum block continuous drying line according to claim 5, characterized in that, the circulating fan is a frequency-variable-driven circulating fan, and the variable-frequency-driven circulating fan automatically timed positive and negative according to program settings to supply air; When the air is supplied in the forward direction, the hot air is blown from the left side of the drying area to the right side of the drying area, and then returns to the air distribution area through the return air channel, so as to circulate in a positive direction; When the air is reversely supplied, the hot air is sent from the air distribution area, passes through the return air channel above the drying area, flows to the right side of the drying area, and blows from the right side of the drying area to the left side of the drying area, so Reverse cycle. 7. The continuous drying line for heating energy-saving gypsum blocks according to claim 5, wherein the heating system is a steam heating system, comprising a steam air supply source, a steam radiator and a main steam pipeline, and the The steam radiator is arranged on the right side of the circulating fan, that is, between the circulating fan and the drying area; the bottom of the steam radiator is connected with a trap valve and a trapping pipe, and one end of the main steam pipe is connected to the The top end of the steam radiator is connected, and the other end of the main steam pipeline extends to the outside of the drying room and is connected to the steam supply source; The main steam pipeline is also connected with a stop valve and a steam switch pneumatic valve for controlling the flow of steam. 8. The continuous drying line for heating energy-saving gypsum blocks according to claim 5, wherein the heating system is a gas heating system, comprising a gas burner and a gas hot blast stove, and the gas hot blast stove is installed in the In the return air passage at the top of the drying area, the gas burner is installed on the outer wall of the top of the drying area, the gas hot blast stove is connected with the gas burner through a flange, and the gas burner is located on the side of the gas hot blast stove. above. 9 . The continuous drying line for heating and energy-saving gypsum blocks according to claim 1 , wherein the gypsum blocks are stacked and placed on the kiln car in a matrix arrangement, that is: the gypsum blocks The gypsum blocks are arranged in four rows from left to right, and each row is equally spaced, and the gypsum blocks are arranged in four rows from front to back, and each row is equally spaced. 10. The continuous drying line for heating and energy-saving gypsum blocks according to claim 1, wherein the partition device comprises a frame body and an electric door, and guide rails are respectively provided on both sides of the frame body, so that the The two sides of the electric door are respectively provided with positioning pulleys that cooperate with the guide rails to prevent the electric door from derailing during the lifting of the guide rails; The upper edge of the electric door is provided with a wire rope pulley, the frame body is provided with an electric hoist and a wire rope hook above the electric door, and the wire rope wound by the electric hoist passes through the wire rope pulley and the wire rope hanger. The hook is fixedly connected; the electric door is lifted and lowered along the guide rail under the action of the electric hoist; The guide rail is also provided with an upper limit switch and a lower limit switch for lifting and lowering the electric door.

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