Gypsum low-temperature calcining device

Abstract

The utility model relates to the technical field of gypsum processing, and discloses a low-temperature gypsum calcining device which comprises a calcining tank, a processing barrel is fixedly connected to the top end of the calcining tank, two crushing frames are rotationally connected to the top end in the processing barrel, a plurality of crushing blocks are fixedly connected to the outer sides of the crushing frames, and a first gear is fixedly connected to the right end of the crushing frame on the front side; a second gear is fixedly connected to the right end of the crushing frame on the rear side, a first motor is fixedly installed at the right end of the processing barrel, the middle of the second gear is fixedly installed at the output end of the first motor, two grinding rollers are rotationally connected to the bottom end in the processing barrel, and a first eccentric wheel is fixedly connected to the left end of the crushing frame. According to the utility model, gypsum materials can be conveniently crushed and ground, blocky gypsum mingled in the gypsum can be reduced, the fluidity of gypsum powder can be improved, and the materials can be more fully contacted with hot air, so that the heat exchange efficiency is improved, the dehydration reaction is accelerated, and the heating uniformity is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of gypsum processing, in particular to a gypsum low-temperature calcining device. Background Art

[0002] Gypsum is an inorganic compound, commonly known as raw gypsum or dihydrate gypsum. It is a white, odorless, slightly soluble in water solid. When gypsum is heated to 150°C, it loses some of its crystal water and becomes cooked gypsum. The powder of cooked gypsum is plastic when mixed with water and solidifies in a short time. Therefore, it is often used as a building material and model making material. Low-temperature calcination of gypsum refers to the use of an optimized calcination process to calcine gypsum raw materials at a lower temperature to obtain a building material with excellent performance.

[0003] After searching, a Chinese patent with publication number CN215559921U discloses a method for generating a large amount of tail gas during the calcination of plaster gypsum. When the calcination of the plaster gypsum is not complete, the tail gas will catalyze the plaster gypsum and accelerate the calcination rate of the plaster gypsum. At this time, if the tail gas is discharged, the tail gas will add more harmful substances than usual, and it is difficult to treat the tail gas. At the same time, the calcination efficiency of the internal plaster gypsum will slow down. Therefore, during the calcination of the plaster gypsum in the forging tank, the tail gas generated is collected by the smoke exhaust mechanism and discharged outwardly through the smoke induction mechanism. At the same time, the swivel is rotatably connected to the side groove, and a plurality of openings are provided at the connection. The openings can be opened or closed by rotating the swivel, so as to realize timed and quantitative discharge, improve its discharge efficiency, and avoid the plaster gypsum being not completely calcined, and the tail gas generated is led out of the outer end in advance, resulting in poor calcination effect of the plaster gypsum.

[0004] There are still some shortcomings in the above-mentioned low-temperature calcination process of gypsum. Before the gypsum is calcined, a large amount of gypsum powder is usually put into the calcination tank through the feed port. A large amount of gypsum material is easily mixed with agglomerated gypsum and gypsum that is not completely crushed, which reduces the fluidity of the gypsum material, makes it difficult for the gypsum material to better contact with hot air, reduces the efficiency of heat exchange, and leads to reduced heat uniformity during the calcination process, thereby reducing the calcination quality. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and proposes a low-temperature calcining device for gypsum.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a gypsum low-temperature calcining device comprises a calcining pot, the top end of the calcining pot is fixedly connected with a processing barrel, the inner top end of the processing barrel is rotatably connected with two crushing frames, the outer side of the crushing frame is fixedly connected with a plurality of crushing blocks, the right end of the front crushing frame is fixedly connected with a gear 1, the right end of the rear crushing frame is fixedly connected with a gear 2, the right end of the processing barrel is fixedly installed with a motor 1, the middle part of the gear 2 is fixedly installed at the output end of the motor 1, the inner bottom end of the processing barrel is rotatably connected with two grinding rollers, the left end of the crushing frame is fixedly connected with a first eccentric wheel, the left top end of the first eccentric wheel is rotatably connected with a connecting rod, the other end of the connecting rod is rotatably connected with a second eccentric wheel, the right end of the second eccentric wheel is fixedly connected to the other end of the grinding roller, and the gear 1 and the gear 2 are meshingly connected.

[0007] As a further description of the above technical solution:

[0008] A second motor is fixedly installed at the right bottom end of the calcining pot, and an auger is fixedly connected to the output end of the second motor.

[0009] As a further description of the above technical solution:

[0010] The left bottom end of the calcining pot is fixedly connected with a material transfer pipe, and the other end of the auger is rotatably connected to the inner left end of the material transfer pipe.

[0011] As a further description of the above technical solution:

[0012] The bottom end of the calcining pot is fixedly connected with a liquid storage tank, and the bottom end on the left side of the liquid storage tank is fixedly connected with a conveying pipe.

[0013] As a further description of the above technical solution:

[0014] A water pump is fixedly installed at the other end of the delivery pipe, a condenser is fixedly connected to the output end of the water pump, and the other end of the condenser is fixedly connected to the left bottom end of the liquid storage tank.

[0015] As a further description of the above technical solution:

[0016] The bottom end of the material transfer pipe is provided with a material outlet, and the top end of the processing barrel is fixedly connected with a material feed pipe.

[0017] As a further description of the above technical solution:

[0018] The front side of the liquid storage tank is fixedly connected with a liquid inlet pipe, and the rear side of the bottom end of the liquid storage tank is fixedly connected with a liquid replacement pipe.

[0019] The utility model has the following beneficial effects:

[0020] The utility model, through the mutual cooperation of the crushing frame, the crushing block, the first gear, the second gear, the grinding roller, the first eccentric wheel, the connecting rod and the second eccentric wheel, increases the function of crushing and grinding the gypsum material before calcining when gypsum is calcined at low temperature, is beneficial to reducing the block gypsum mixed in the gypsum, is beneficial to improving the fluidity of the gypsum powder, is beneficial to more fully contacting the material with the hot air, thereby improving the heat exchange efficiency, accelerating the dehydration reaction, and is beneficial to improving the heating uniformity, thereby improving the calcination quality.

[0021] The utility model increases the function of evenly discharging materials to the calcining device through the mutual cooperation of the auger, the material transfer pipe, the liquid storage tank, the conveying pipe, the condenser pipe, the material discharge port and the liquid exchange pipe, which is beneficial to reducing the blockage phenomenon caused when the gypsum material is discharged, and is convenient for cooling the gypsum material during the discharge process, which is beneficial to improving the cooling efficiency of the gypsum material. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the overall structure of a low-temperature calcining device for gypsum proposed in the utility model;

[0023] Figure 2 This is a schematic diagram of the processing barrel structure of a gypsum low-temperature calcining device proposed by the utility model;

[0024] Figure 3 This is a schematic diagram of the liquid exchange pipe structure of a gypsum low-temperature calcining device proposed by the utility model;

[0025] Figure 4 This is a schematic diagram of the structure of a material transfer pipe of a gypsum low-temperature calcining device proposed by the utility model;

[0026] Figure 5 This is a schematic diagram of the structure of a crushing block of a gypsum low-temperature calcining device proposed by the utility model;

[0027] Figure 6 The utility model discloses a grinding roller structure schematic diagram of a gypsum low-temperature calcining device.

[0028] Legend:

[0029] 1. Calcination tank; 2. Processing barrel; 3. Crushing frame; 4. Crushing block; 5. Gear 1; 6. Gear 2; 7. Motor 1; 8. Grinding roller; 9. First eccentric wheel; 10. Connecting rod; 11. Second eccentric wheel; 12. Motor 2; 13. Auger; 14. Transfer pipe; 15. Liquid storage tank; 16. Delivery pipe; 17. Water pump; 18. Condenser; 19. Discharge port; 20. Liquid exchange pipe; 21. Liquid inlet pipe; 22. Feed pipe. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] As attached Figure 1-6 As shown, an embodiment of the utility model is provided: a gypsum low-temperature calcining device, comprising a calcining pot 1, a processing barrel 2 is fixedly connected to the top of the calcining pot 1, two crushing frames 3 are rotatably connected to the top of the inner part of the processing barrel 2, a plurality of crushing blocks 4 are fixedly connected to the outer side of the crushing frame 3, a gear 1 5 is fixedly connected to the right end of the front crushing frame 3, a gear 2 6 is fixedly connected to the right end of the rear crushing frame 3, a motor 1 7 is fixedly installed on the right end of the processing barrel 2, the middle part of the gear 2 6 is fixedly installed on the output end of the motor 1 7, two grinding rollers 8 are rotatably connected to the inner bottom end of the processing barrel 2, a first eccentric wheel 9 is fixedly connected to the left end of the crushing frame 3, a connecting rod 10 is rotatably connected to the top left side of the first eccentric wheel 9, a second eccentric wheel 11 is rotatably connected to the other end of the connecting rod 10, and the right end of the second eccentric wheel 11 is fixedly connected to the other end of the grinding roller 8, and the gear 1 5 is meshed with the gear 2 6, so that the gypsum material can be crushed and then ground before being heated and calcined, thereby increasing the heating area of ​​the material and improving the calcination quality.

[0032] As attached Figure 4 As shown, a motor 2 12 is fixedly installed at the right bottom end of the calcining pot 1, and an auger 13 is fixedly connected to the output end of the motor 2 12. A material transfer pipe 14 is fixedly connected to the left bottom end of the calcining pot 1. The other end of the auger 13 is rotatably connected to the inner left end of the material transfer pipe 14, which is conducive to discharging the calcined material and reduces the blockage of the discharge port 19.

[0033] As attached Figure 3 As shown, a liquid storage tank 15 is fixedly connected to the bottom end of the calcining tank 1, a delivery pipe 16 is fixedly connected to the bottom left end of the liquid storage tank 15, a water pump 17 is fixedly installed at the other end of the delivery pipe 16, a condenser 18 is fixedly connected to the output end of the water pump 17, the other end of the condenser 18 is fixedly connected to the bottom left end of the liquid storage tank 15, a discharge port 19 is provided at the bottom end of the material transfer pipe 14, a liquid exchange pipe 20 is fixedly connected to the rear side of the bottom end of the liquid storage tank 15, so as to cool the material during discharge, thereby helping to improve the cooling efficiency of the gypsum powder and reduce the difficulty of subsequent processing, and the liquid exchange pipe 20 is conducive to replacing the coolant inside the liquid storage tank 15, so as to maintain the cooling effect of the coolant.

[0034] As attached Figure 2As shown, a feed pipe 22 is fixedly connected to the top of the processing barrel 2, and a liquid inlet pipe 21 is fixedly connected to the front side of the liquid storage tank 15, so that the calcining pot 1 can be fed through the feed pipe 22, and the liquid storage tank 15 can be injected with coolant through the liquid inlet pipe 21.

[0035] Working principle: when in use, first start the motor 7, the motor 7 drives the rear crushing frame 3 to rotate, the rear crushing frame 3 drives the gear 2 6 to rotate, through the meshing of the gear 2 6 and the gear 1 5, it is conducive to driving the gear 1 5 to rotate, thereby driving the front crushing frame 3 to rotate, and according to the rotation of the two crushing frames 3, it is conducive to driving the first eccentric wheel 9 to rotate, under the connection of the connecting rod 10, the first eccentric wheel 9 drives the connecting rod 10 to rotate and move, so as to facilitate driving the second eccentric wheel 11 to rotate, so as to facilitate the two second eccentric wheels 11 to drive the two grinding rollers 8 to rotate, and then the gypsum material is put into the processing barrel 2 through the feeding pipe 22, and the gypsum material is driven by the two crushing frames 3 to drive the crushing block 4 to rotate to stir and crush the put material, and after crushing, the material Then it reaches the middle of the two grinding rollers 8 and is ground by the rotating grinding rollers 8, so as to facilitate the further crushing of the gypsum material into fine particles, which is beneficial to improving the calcination quality. After the calcination process is completed and the material is discharged, the motor 2 12 is started, and the motor 2 12 drives the auger 13 to rotate, so that in the process of the auger 13 rotating, the material at the bottom end of the calcination tank 1 is driven to be transported, and then transported to the inside of the material transfer pipe 14, and then the inside of the liquid storage tank 15 is injected with coolant, and the water pump 17 is started. Through the action of the water pump 17, the coolant is transported from the inside of the liquid storage tank 15 to the inside of the delivery pipe 16, and then circulates to the inside of the condenser 18, and then flows back to the inside of the liquid storage tank 15, so as to form a water cooling effect of water circulation, so as to facilitate cooling when the gypsum material is discharged.

[0036] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A low-temperature calcination device for gypsum, comprising a calcination tank (1), characterized in that: The top of the calcining pot (1) is fixedly connected to a processing barrel (2), the top of the inner part of the processing barrel (2) is rotatably connected to two crushing frames (3), the outer side of the crushing frame (3) is fixedly connected to a plurality of crushing blocks (4), the right end of the front crushing frame (3) is fixedly connected to a gear 1 (5), the right end of the rear crushing frame (3) is fixedly connected to a gear 2 (6), the right end of the processing barrel (2) is fixedly mounted with a motor 1 (7), the middle part of the gear 2 (6) is fixedly mounted on the output end of the motor 1 (7), the bottom of the inner part of the processing barrel (2) is rotatably connected to two grinding rollers (8), the left end of the crushing frame (3) is fixedly connected to a first eccentric wheel (9), the left top end of the first eccentric wheel (9) is rotatably connected to a connecting rod (10), the other end of the connecting rod (10) is rotatably connected to a second eccentric wheel (11), the right end of the second eccentric wheel (11) is fixedly connected to the other end of the grinding roller (8), and the gear 1 (5) and the gear 2 (6) are meshingly connected.

2. The low-temperature calcining device for gypsum according to claim 1, characterized in that: A second motor (12) is fixedly mounted on the right bottom end of the calcining pot (1), and an auger (13) is fixedly connected to the output end of the second motor (12).

3. The low-temperature calcining device for gypsum according to claim 2, characterized in that: A material transfer pipe (14) is fixedly connected to the left bottom end of the calcining pot (1), and the other end of the auger (13) is rotatably connected to the inner left end of the material transfer pipe (14).

4. The low-temperature calcining device for gypsum according to claim 1, characterized in that: The bottom end of the calcining pot (1) is fixedly connected to a liquid storage tank (15), and the bottom end on the left side of the liquid storage tank (15) is fixedly connected to a delivery pipe (16).

5. The low-temperature calcining device for gypsum according to claim 4, characterized in that: A water pump (17) is fixedly mounted on the other end of the delivery pipe (16), a condenser pipe (18) is fixedly connected to the output end of the water pump (17), and the other end of the condenser pipe (18) is fixedly connected to the left bottom end of the liquid storage tank (15).

6. The low-temperature calcining device for gypsum according to claim 3, characterized in that: The bottom end of the material transfer pipe (14) is provided with a material outlet (19), and the top end of the processing barrel (2) is fixedly connected with a material feed pipe (22).

7. The low-temperature calcining device for gypsum according to claim 4, characterized in that: The front side of the liquid storage box (15) is fixedly connected to a liquid inlet pipe (21), and the rear side of the bottom end of the liquid storage box (15) is fixedly connected to a liquid replacement pipe (20).

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