Multi-circulation cooling device for chemical production

Abstract

The invention discloses a chemical production multi-circulation cooling device, and relates to the technical field of chemical production, the chemical production multi-circulation cooling device comprises a tank body, support legs are fixedly mounted at the bottom of the tank body, a cooling pipe is fixedly mounted in the tank body, a water inlet is fixedly mounted at the top of the tank body, and a water outlet is fixedly mounted at the bottom of the tank body; a clamping device is arranged at the top of the tank body, a discharging limiting device is arranged in the tank body, a filtering device is arranged in the tank body, and the clamping device comprises a sliding plate, a first elastic telescopic rod, a slope rod, a sliding groove, a sliding rod, a fixing rod, a first slope block, a clamping plate, a clamping block and an L-shaped rod. The connector of the connecting piece is more compact, so that the sealing performance of the connector part is improved, the risk of water leakage is reduced, meanwhile, the connecting piece can be kept stable and is not prone to displacement or dislocation during butt joint, and faults caused by loose connection are avoided.

Description

Technical Field

[0001] The invention relates to the technical field of chemical production, in particular to a chemical production multi-circulation cooling device. Background Art

[0002] The multi-circulation cooling device in chemical production is a device used for cooling and temperature reduction. It is widely used in chemical, petroleum, metallurgical and other industrial fields, especially in those processes that require control of high-temperature reactions or equipment. The system achieves a more efficient cooling effect through multiple circulating cooling loops or stages.

[0003] The patent with the patent announcement number CN221036947U relates to the field of chemical production technology. The patent relates to the field of chemical production technology, especially to a multiple circulation cooling device for chemical production, including a cooling device, the upper outer surface of the left end of the cooling device is fixedly connected with an introduction device, the end of the introduction device away from the cooling device is fixedly connected with a circulation pump, the left end of the circulation pump is fixedly connected with a cooler, the left part of the upper end of the cooler is fixedly connected with an introduction port, the lower end of the cooler is fixedly connected with a base, the upper rear end of the cooler is fixedly connected with a circulation pipe, the end of the circulation pipe away from the cooler is fixedly connected with the cooling device, the middle part of the upper end of the cooling device is fixedly connected with a liquid inlet pipe, the lower end of the cooling device is fixedly connected with three support legs at equal distances, and the middle part of the lower end of the cooling device is fixedly connected with a connecting pipe. The multiple circulation cooling device for chemical production described in the patent improves the cooling efficiency and quality of the liquid in chemical production through the cooling device.

[0004] In the above patent, the cooling efficiency and quality of the liquid in chemical production are improved by setting up a cooling device, but it is difficult to fix the connecting parts when connecting the liquid inlet pipe, which may cause the connecting parts to fall off during liquid inlet, resulting in work cessation and loss of chemical raw materials. Summary of the invention

[0005] In view of the deficiencies in the prior art, the present invention provides a multi-circulation cooling device for chemical production, which solves the problems raised in the above-mentioned background technology.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: A chemical production multi-circulation cooling device, comprising a tank body, a support leg fixedly installed at the bottom of the tank body, a cooling pipe fixedly installed inside the tank body, a water inlet fixedly installed at the top of the tank body, a water outlet fixedly installed at the bottom of the tank body, a clamping device arranged at the top of the tank body, a material limiting device arranged inside the tank body, and a filtering device arranged inside the tank body; The clamping device comprises a slide plate, an elastic telescopic rod 1, an inclined rod, a slide groove, a sliding rod, a fixed rod, an inclined block 1, a splint, a clamping block and an L-shaped rod, wherein the slide plate is slidably mounted on the circumferential surface of the water inlet, the elastic telescopic rod 1 is fixedly mounted inside the slide plate, the inclined rod is fixedly mounted on the movable end of the elastic telescopic rod 1, the slide groove is opened on the top of the tank body, the sliding rod is slidably mounted inside the slide groove, the fixed rod is fixedly mounted on the top of the sliding rod, the inclined block 1 is fixedly mounted on the top of the sliding rod, the splint is fixedly mounted on the top of the fixed rod, the clamping block is fixedly mounted on the top of the tank body, and the L-shaped rod is fixedly mounted on the front of the splint, and the movement of the slide plate drives the elastic telescopic rod to start moving, the movement of the elastic telescopic rod drives the inclined rod to start moving, the inclined rod moves to contact and push the inclined block to start moving, the movement of the inclined block drives the sliding rod to start moving, the movement of the sliding rod drives the fixed rod to start moving, the movement of the fixed rod drives the splint to start moving, and the splint moves to contact the connecting piece and clamps it.

[0007] According to the above technical solution, the sides of the inclined rod and the inclined block 1 that are close to each other are both set as inclined planes, the side of the blocking block close to the slide is set as an inclined plane, a blocking slot is provided on the slide, a spring 1 is provided between the slide and the water inlet, and a spring 2 is provided between the slide rod and the slide slot. By setting the inclined plane, it is ensured that the inclined rod can smoothly push the inclined block 1 when moving, and by setting the inclined plane, it is ensured that the blocking block can be smoothly pushed, and by providing the blocking slot, it is ensured that the blocking block can limit the movement of the slide, by setting the spring 1, it is ensured that the slide can achieve self-reset, and by setting the spring 2, it is ensured that the slide rod can achieve self-reset.

[0008] According to the above technical scheme, the discharge limiting device includes a motor, an elastic telescopic rod 2, a fixed plate, a long rod, a button, a rotating shaft and a rotating plate. The motor is fixedly installed on the top of the tank body, the elastic telescopic rod 2 is fixedly installed on the top of the motor, the fixed plate is fixedly installed on the movable end of the elastic telescopic rod 2, the long rod is fixedly installed on the back of the fixed plate, the button is fixedly installed on the surface of the motor, the rotating shaft is fixedly installed on the output end of the motor, and the rotating plate is fixedly installed on the circumferential surface of the rotating shaft. The clamping plate moves to contact and clamp the connecting piece while driving the L-shaped rod to start moving. The L-shaped rod moves to push the long rod to start moving. The long rod moves to drive the fixed plate to start moving. The fixed plate moves to squeeze the movable end of the elastic telescopic rod 2 and releases the protection of the button under the fixed plate.

[0009] According to the above technical solution, the discharge limiting device includes a slide rail, a sliding door, an inclined plane block 2 and a push rod, the slide rail is fixedly installed on the top of the inner wall of the tank body, the sliding door is slidably installed inside the slide rail, the inclined plane block 2 is fixedly installed in front of the sliding door, and the push rod is fixedly installed on the top of the rotating plate. The rotating plate rotates and the push rod starts to move. The push rod moves to contact and push the inclined plane block 2 to start moving. The inclined plane block 2 moves and drives the slide door to start moving. The slide door moves to open the passage between the tank body and the water inlet. When the push rod moves and no longer pushes the inclined plane block 2, the slide door starts to move and reset under the action of spring 3.

[0010] According to the above technical solution, the button is electrically connected to the motor, the sides of the inclined block 2 and the push rod that are close to each other are set as inclined surfaces, and a spring 3 is arranged between the sliding door and the top of the inner wall of the tank body. The electrical connection ensures that the button can control the start and stop of the motor, and the setting of the inclined surface ensures that the push rod can smoothly push the inclined block 2 when moving, and the setting of the spring 3 ensures that the sliding door can achieve autonomous reset.

[0011] According to the above technical solution, the filtering device includes a bottom plate and a filter plate. The bottom plate is fixedly mounted on the inner wall of the tank body, and the filter plate is fixedly mounted on the front of the bottom plate. When the substance enters the tank body through the channel of the water inlet, the substance will be filtered by the filter plate in front of the bottom plate before entering the tank body.

[0012] According to the above technical solution, the filtering device also includes a scraper rod, a fixed block, a short rod, a ramp block three and a collection box. The scraper rod is slidably installed on the top of the filter plate, the fixed block is fixedly installed on the top of the scraper rod, the short rod is fixedly installed on the top of the scraper rod, the ramp block three is fixedly installed on the front of the short rod, and the collection box is slidably installed on the top of the bottom plate. When the sliding door moves and resets, the ramp block three will be pushed to start moving. The movement of the ramp block three drives the short rod to start moving. The movement of the short rod drives the scraper rod to start moving. The scraper rod moves to contact and push the impurities generated after filtration on the filter plate.

[0013] According to the above technical solution, the sides of the inclined block three and the sliding door that are close to each other are set as inclined surfaces, and a spring four is arranged between the fixed block and the bottom plate. The inclined surface is arranged to ensure that the sliding door can smoothly push the inclined block three when moving, and the spring four is arranged to ensure that the fixed block can achieve autonomous reset.

[0014] The present invention provides a multi-circulation cooling device for chemical production. It has the following beneficial effects: (1) The invention makes the interface of the connector tighter by moving the clamping plate to contact and clamp the connector, thereby improving the sealing performance of the joint and reducing the risk of water leakage. At the same time, it can ensure that the connector remains stable during docking and is not easily displaced or misaligned, thus avoiding failures caused by loose connections. The clamping block is continuously pushed into the slot on the slide, ensuring that the slide is fixed during the connection process and will not automatically reset due to the action of the spring when the connector is working.

[0015] (2) The invention can effectively and evenly disperse the material to be cooled into multiple cooling pipes through the rotation of the rotating plate, avoiding the material from concentrating on certain pipe areas and causing local overheating or uneven cooling effect, making the cooling process of the entire system more stable and efficient. The water inlet channel is intermittently opened by the movement of the sliding door to ensure that the flow rate is not too large or too small, so that the cooling system can operate under the best working conditions, while avoiding system overload due to excessive flow or poor cooling effect due to too low flow.

[0016] (3) The invention can effectively remove solid particles, sediments, impurities or dirt in the material to be cooled by filtering, ensuring that impurities will not accumulate in the pipes, coolers or heat exchangers of the cooling system, thereby causing blockage, corrosion or wear of the equipment. The scraper moves to contact and push the impurities generated after filtration on the filter plate, preventing excessive clogging of the filter plate by impurities, reducing the mechanical pressure on the filter plate, and extending the service life of the filter plate, while maintaining its efficient filtration performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic cross-sectional view of the tank body and cooling pipe structure of the present invention; Figure 3 It is a schematic cross-sectional view of the structure of the clamping device of the present invention; Figure 4 It is a schematic cross-sectional view of the structure of the device for limiting the discharge of materials of the present invention; Figure 5 It is a cross-sectional schematic diagram of the slide rail and the slide door structure of the present invention; Figure 6 It is a schematic cross-sectional view of the structure of the filter device of the present invention; Figure 7 It is a schematic cross-sectional view of the collecting box and the bottom plate structure of the present invention.

[0018] In the figure: 1, tank body; 2, supporting legs; 3, cooling pipe; 4, water inlet; 5, water outlet; 6, slide plate; 7, elastic telescopic rod 1; 8, inclined rod; 9, slide groove; 10, slide rod; 11, fixed rod; 12, inclined block 1; 13, clamping plate; 14, clamping block; 15, L-shaped rod; 161, motor; 162, elastic telescopic rod 2; 163, fixed plate; 164, long rod; 165, button; 166, rotating shaft; 167, rotating plate; 168, slide rail; 169, sliding door; 1610, inclined block 2; 1611, push rod; 171, bottom plate; 172, filter plate; 173, scraper rod; 174, fixed block; 175, short rod; 176, inclined block 3; 177, collection box. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0020] See also Figure 1-Figure 7 , one embodiment of the present invention is: a chemical production multi-circulation cooling device, comprising a tank body 1, a support leg 2 is fixedly installed at the bottom of the tank body 1, a cooling pipe 3 is fixedly installed inside the tank body 1, a water inlet 4 is fixedly installed at the top of the tank body 1, a water outlet 5 is fixedly installed at the bottom of the tank body 1, and a clamping device is arranged at the top of the tank body 1; Among them, the clamping device includes a slide plate 6, an elastic telescopic rod 7, an inclined rod 8, a slide groove 9, a slide rod 10, a fixed rod 11, an inclined block 12, a clamp plate 13, a block 14 and an L-shaped rod 15. The slide plate 6 is slidably installed on the circumferential surface of the water inlet 4, the elastic telescopic rod 7 is fixedly installed inside the slide plate 6, the inclined rod 8 is fixedly installed on the movable end of the elastic telescopic rod 7, the slide groove 9 is opened at the top of the tank body 1, the slide rod 10 is slidably installed inside the slide groove 9, the fixed rod 11 is fixedly installed on the top of the slide rod 10, the inclined block 12 is fixedly installed on the top of the slide rod 10, the clamp plate 13 is fixedly installed on the top of the fixed rod 11, the block 14 is fixedly installed on the top of the tank body 1, and the L-shaped rod 15 is fixedly installed on the front of the clamp plate 13. The clamp plate 13 moves to contact and clamp the connector, so that the interface of the connector is tighter, thereby improving the sealing performance of the joint and reducing the risk of water leakage. At the same time, it can ensure that the connector remains stable during docking, is not prone to displacement or misalignment, and avoids failures caused by loose connections.

[0021] The sides of the inclined rod 8 and the inclined block 12 that are close to each other are both set as inclined planes, and the side of the block 14 close to the slide plate 6 is set as an inclined plane. A slot is provided on the slide plate 6, a spring 1 is provided between the slide plate 6 and the water inlet 4, and a spring 2 is provided between the slide bar 10 and the slide slot 9. By setting the inclined plane, it is ensured that the inclined rod 8 can smoothly push the inclined block 12 when moving, and by setting the inclined plane, it is ensured that the block 14 can be smoothly pushed, and by opening the slot, it is ensured that the block 14 can limit the movement of the slide plate 6, by setting the spring 1, it is ensured that the slide plate 6 can achieve self-reset, and by setting the spring 2, it is ensured that the slide bar 10 can achieve self-reset.

[0022] When the present embodiment is working, the staff first checks whether the equipment is in normal condition, whether the tank body 1 is intact and has no damage, and whether the supporting legs 2 can support the tank body 1 to work continuously. After confirming that everything is correct, the connecting piece is connected with the water inlet 4 and the water outlet 5, and then the material to be cooled is introduced. The introduced material enters from the water inlet 4, passes through the cooling pipe 3, is cooled, and then flows out from the water outlet 5. When the connecting piece is connected with the water inlet 4, the slide plate 6 is pushed to start moving, and the movement of the slide plate 6 drives the elastic telescopic rod 7 to start moving, and the movement of the elastic telescopic rod 7 drives the inclined plane rod 8 to start moving, and the inclined plane block 12 moves and drives the sliding rod 10 to start moving, and the movement of the sliding rod 10 drives the fixing rod 11 to start moving, and the fixing rod 11 drives the splint 13 to start moving, and the splint 13 moves to contact with the connecting piece and clamps it, so that the interface of the connecting piece is tighter, thereby improving the sealing performance of the joint and reducing the risk of water leakage. At the same time, it can ensure that the connecting piece remains stable during docking and is not prone to displacement or misalignment. After the connecting piece is removed, the staff manually pushes the block 14 to move, and the block 14 moves to release the restriction on the slide plate 6, and the slide plate 6 starts to move and reset under the action of the spring.

[0023] See also Figure 1-Figure 7On the basis of the above embodiment, in another embodiment of the present invention, a discharging limiting device is arranged inside the tank body 1, and a filtering device is arranged inside the tank body 1. The discharging limiting device includes a motor 161, an elastic telescopic rod 162, a fixed plate 163, a long rod 164, a button 165, a rotating shaft 166 and a rotating plate 167. The motor 161 is fixedly mounted on the top of the tank body 1, the elastic telescopic rod 162 is fixedly mounted on the top of the motor 161, the fixed plate 163 is fixedly mounted on the movable end of the elastic telescopic rod 162, the long rod 164 is fixedly mounted on the back of the fixed plate 163, the button 165 is fixedly mounted on the surface of the motor 161, the rotating shaft 166 is fixedly mounted on the output end of the motor 161, and the rotating plate 167 is fixedly mounted on the circumferential surface of the rotating shaft 166. By rotating the rotating plate 167, the material to be cooled can be effectively and evenly dispersed into a plurality of cooling pipes 3, so as to avoid the material from concentrating on certain pipe areas, causing local overheating or uneven cooling effect, so that the cooling process of the entire system is more stable and efficient.

[0024] The discharge limiting device includes a slide rail 168, a slide door 169, a second ramp block 1610 and a push rod 1611. The slide rail 168 is fixedly installed on the top of the inner wall of the tank body 1, the slide door 169 is slidably installed inside the slide rail 168, the second ramp block 1610 is fixedly installed in front of the slide door 169, and the push rod 1611 is fixedly installed on the top of the rotating plate 167. The channel of the water inlet 4 is intermittently opened by moving the slide door 169 to ensure that the flow rate is not too large or too small, so that the cooling system can operate under the best working conditions, while avoiding system overload due to excessive flow or poor cooling effect due to too low flow.

[0025] The button 165 is electrically connected to the motor 161, and the surfaces of the inclined block 2 1610 and the push rod 1611 that are close to each other are both set as inclined surfaces. A spring three is arranged between the sliding door 169 and the top of the inner wall of the tank body 1. The electrical connection ensures that the button 165 can control the start and stop of the motor 161, and the setting of the inclined surface ensures that the push rod 1611 can smoothly push the inclined block 2 1610 when moving, and the setting of the spring three ensures that the sliding door 169 can achieve autonomous reset.

[0026] The filtering device includes a bottom plate 171 and a filter plate 172. The bottom plate 171 is fixedly mounted on the inner wall of the tank body 1, and the filter plate 172 is fixedly mounted on the front of the bottom plate 171. Solid particles, sediments, impurities or dirt in the material to be cooled can be effectively removed by filtering, ensuring that impurities will not accumulate in the pipes, coolers or heat exchangers of the cooling system, thereby causing equipment blockage, corrosion or wear.

[0027] The filtering device also includes a scraper rod 173, a fixed block 174, a short rod 175, a sloped block three 176 and a collecting box 177. The scraper rod 173 is slidably mounted on the top of the filter plate 172, the fixed block 174 is fixedly mounted on the top of the scraper rod 173, the short rod 175 is fixedly mounted on the top of the scraper rod 173, the sloped block three 176 is fixedly mounted on the front of the short rod 175, and the collecting box 177 is slidably mounted on the top of the bottom plate 171. The scraper rod 173 moves to contact and push the impurities generated after filtration on the filter plate 172, thereby preventing excessive impurities from clogging the filter plate 172, reducing the mechanical pressure on the filter plate 172, and extending the service life of the filter plate 172, while maintaining its efficient filtering performance.

[0028] The sides of the inclined block three 176 and the sliding door 169 that are close to each other are both set as inclined surfaces, and a spring four is set between the fixed block 174 and the bottom plate 171. The inclined surface is set to ensure that the sliding door 169 can smoothly push the inclined block three 176 when moving, and the spring four is set to ensure that the fixed block 174 can achieve self-reset.

[0029] When the present embodiment is working, the clamping plate 13 moves to contact the connecting piece and clamps it, and at the same time, the L-shaped rod 15 starts to move, the L-shaped rod 15 moves to push the long rod 164 to start moving, the long rod 164 moves to drive the fixed plate 163 to start moving, the fixed plate 163 moves to squeeze the movable end of the elastic telescopic rod 162 and releases the protection of the button 165 below the fixed plate 163. At this time, after the connecting piece starts to pass the material into the tank body 1, the staff manually presses the button 165 to make the button 165 slide and start the motor 161. After the motor 161 is started, the shaft 166 starts to rotate, and the rotation of the shaft 166 drives the rotating plate 167 to start rotating. The rotation of the rotating plate 167 can effectively and evenly disperse the material to be cooled into multiple cooling pipes 3 to avoid concentrated flow of the material. To certain pipeline areas, causing local overheating or uneven cooling effect, making the cooling process of the entire system more stable and efficient, while the rotating plate 167 rotates, it drives the push rod 1611 to start moving, the push rod 1611 moves to contact and push the inclined plane block 2 1610 to start moving, the inclined plane block 1610 moves and drives the sliding door 169 to start moving, the sliding door 169 moves to open the channel between the tank body 1 and the water inlet 4, when the push rod 1611 moves and no longer pushes the inclined plane block 2 1610, the sliding door 169 starts to move and reset under the action of the spring three, through the above-mentioned intermittent opening of the channel of the water inlet 4, it is ensured that the flow rate will not be too large or too small, so that the cooling system can operate under the best working conditions, while avoiding system overload due to excessive flow or poor cooling effect due to too low flow.

[0030] When the material enters the tank body 1 from the channel of the water inlet 4, the material will be filtered by the filter plate 172 in front of the bottom plate 171 before entering the tank body 1. The solid particles, sediments, impurities or dirt in the material to be cooled can be effectively removed by filtering, ensuring that the impurities will not accumulate in the pipes, coolers or heat exchangers of the cooling system, thereby causing equipment blockage, corrosion or wear. When the sliding door 169 moves to reset, it will push the inclined plane block 3 176 to start moving, and the movement of the inclined plane block 3 176 drives the short rod 175 to start moving, and the movement of the short rod 175 drives the scraper rod 173 to start moving, and the scraper rod 17 3 moves to contact and push the impurities generated after filtration on the filter plate 172 to prevent excessive impurities from clogging the filter plate 172, reduce the mechanical pressure on the filter plate 172, extend the service life of the filter plate 172, and maintain its efficient filtering performance. When the sliding door 169 moves and no longer pushes the inclined block three 176, the fixed block 174 begins to reset under the action of the spring four. After the scraper rod 173 cleans the filter plate 172, the impurities will be collected in the collection box 177. After the collection box 177 is full, the staff will pull out the collection box 177 after the equipment stops working, and dump the impurities in the area where the impurities are collected or recovered.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A chemical production multi-circulation cooling device, comprising a tank body (1), characterized in that: The bottom of the tank body (1) is fixedly provided with a support leg (2), the interior of the tank body (1) is fixedly provided with a cooling pipe (3), the top of the tank body (1) is fixedly provided with a water inlet (4), the bottom of the tank body (1) is fixedly provided with a water outlet (5), the top of the tank body (1) is provided with a clamping device, the interior of the tank body (1) is provided with a discharge limiting device, and the interior of the tank body (1) is provided with a filtering device; The clamping device comprises a slide plate (6), an elastic telescopic rod (7), an inclined rod (8), a slide groove (9), a slide rod (10), a fixed rod (11), an inclined block (12), a clamp plate (13), a clamping block (14) and an L-shaped rod (15); the slide plate (6) is slidably mounted on the circumferential surface of the water inlet (4); the elastic telescopic rod (7) is fixedly mounted inside the slide plate (6); the inclined rod (8) is fixedly mounted on the movable end of the elastic telescopic rod (7); the slide groove (9) is opened at the top of the tank body (1); the slide rod (10) is slidably mounted inside the slide groove (9); the fixed rod (11) is fixedly mounted on the top of the slide rod (10); the inclined block (12) is fixedly mounted on the top of the slide rod (10); the clamp plate (13) is fixedly mounted on the top of the fixed rod (11); the clamping block (14) is fixedly mounted on the top of the tank body (1); and the L-shaped rod (15) is fixedly mounted on the front of the clamp plate (13).

2. A chemical production multi-circulation cooling device according to claim 1, characterized in that: The surfaces of the inclined rod (8) and the inclined block (12) that are close to each other are both arranged as inclined surfaces, the surface of the clamping block (14) that is close to the slide plate (6) is arranged as an inclined surface, the slide plate (6) is provided with a clamping groove, a spring (1) is arranged between the slide plate (6) and the water inlet (4), and a spring (2) is arranged between the slide rod (10) and the slide groove (9).

3. A chemical production multi-circulation cooling device according to claim 2, characterized in that: The device for limiting the discharge comprises a motor (161), a second elastic telescopic rod (162), a fixed plate (163), a long rod (164), a button (165), a rotating shaft (166) and a rotating plate (167), wherein the motor (161) is fixedly mounted on the top of the tank body (1), the second elastic telescopic rod (162) is fixedly mounted on the top of the motor (161), the fixed plate (163) is fixedly mounted on the movable end of the second elastic telescopic rod (162), the long rod (164) is fixedly mounted on the back of the fixed plate (163), the button (165) is fixedly mounted on the surface of the motor (161), the rotating shaft (166) is fixedly mounted on the output end of the motor (161), and the rotating plate (167) is fixedly mounted on the circumferential surface of the rotating shaft (166).

4. A chemical production multi-circulation cooling device according to claim 3, characterized in that: The device for limiting the discharge comprises a slide rail (168), a slide door (169), a second inclined surface block (1610) and a push rod (1611); the slide rail (168) is fixedly mounted on the top of the inner wall of the tank body (1); the slide door (169) is slidably mounted inside the slide rail (168); the second inclined surface block (1610) is fixedly mounted in front of the slide door (169); and the push rod (1611) is fixedly mounted on the top of the rotating plate (167).

5. The multi-circulation cooling device for chemical production according to claim 4, characterized in that: The button (165) is electrically connected to the motor (161); the surfaces of the inclined surface block 2 (1610) and the push rod (1611) that are close to each other are both arranged as inclined surfaces; and a spring 3 is arranged between the sliding door (169) and the top of the inner wall of the tank body (1).

6. The multi-circulation cooling device for chemical production according to claim 5, characterized in that: The filtering device comprises a bottom plate (171) and a filter plate (172); the bottom plate (171) is fixedly mounted on the inner wall of the tank body (1); and the filter plate (172) is fixedly mounted on the front of the bottom plate (171).

7. The multi-circulation cooling device for chemical production according to claim 6, characterized in that: The filtering device further comprises a scraper rod (173), a fixed block (174), a short rod (175), a third inclined surface block (176) and a collection box (177); the scraper rod (173) is slidably mounted on the top of the filter plate (172); the fixed block (174) is fixedly mounted on the top of the scraper rod (173); the short rod (175) is fixedly mounted on the top of the scraper rod (173); the third inclined surface block (176) is fixedly mounted on the front of the short rod (175); and the collection box (177) is slidably mounted on the top of the bottom plate (171).

8. The multi-circulation cooling device for chemical production according to claim 7, characterized in that: The surfaces of the inclined plane block (176) and the sliding door (169) that are close to each other are both arranged as inclined planes, and a spring (174) is arranged between the fixing block (174) and the bottom plate (171).

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