Cooling device for preparing formaldehyde

Abstract

The utility model discloses a cooling device for preparing formaldehyde, which comprises a water collecting tank, the outer side of the water collecting tank is fixedly connected with a water circulating device, the interface end of the water circulating device is fixedly connected with a cooling tower shell, an air outlet pipeline penetrates through the middle part connected with the cooling tower shell, and the middle part of one side of the cooling tower shell is in sliding connection with a clamping component; a copper plate base is fixedly installed below the cooling tower shell, supporting legs are symmetrically installed at the bottom end of the copper plate base, a heat extraction opening is formed in the top of the cooling tower shell, a heat extraction assembly is fixedly installed in the heat extraction opening, and a heat dissipation assembly is fixedly installed below the copper plate base. Through the combination of air cooling and water cooling, hot air is exhausted through air cooling during water cooling, better cooling of the air outlet pipeline can be achieved, and the problems that only one-way heat dissipation can be conducted on the water pipe, sprayed water cannot be recycled, the cooling effect is affected, and the use efficiency is affected are avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of formaldehyde preparation, in particular to a cooling device for preparing formaldehyde. Background Art

[0002] Formaldehyde has a wide range of uses. It is a popular chemical product with a simple production process and an abundant supply of raw materials. It is the backbone of the methanol downstream product tree. About 30% of the world's methanol is used to produce formaldehyde, with an annual output of about 25 million tons. The industry mainly uses methanol oxidation and natural gas direct oxidation to produce formaldehyde. The preparation process of formaldehyde will generate a large amount of hot gas. Therefore, a cooling device is required to cool the outlet pipe connected to the formaldehyde preparation device during the formaldehyde preparation process.

[0003] Most existing formaldehyde preparation cooling equipment uses cooling water spraying to cool the pipes. The spray heads on the existing cooling devices are mostly fixedly connected to the water pipes, but water cooling can only dissipate heat from the water pipes unilaterally and the sprayed water cannot be recycled, which affects the cooling effect and efficiency.

[0004] Therefore, a cooling device for formaldehyde preparation that can solve the above problems needs to be designed now. Utility Model Content

[0005] The purpose of the utility model is to provide a cooling device for preparing formaldehyde, so as to solve the problem that the water cooling proposed in the above background technology can only dissipate heat unilaterally to the water pipe and the sprayed water cannot be recycled, thereby affecting the cooling effect and the use efficiency.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a cooling device for preparing formaldehyde, comprising a water collecting tank and a cooling tower shell, wherein the outer side of the water collecting tank is fixedly connected to a water circulation device, an air outlet pipe is passed through the middle of the cooling tower shell, a clamping assembly is slidably connected to the middle of one side of the cooling tower shell, a copper plate base is fixedly installed at the bottom of the cooling tower shell, support legs are symmetrically installed on both sides of the bottom end of the copper plate base, a heat exhaust port is opened at the top of the cooling tower shell, a heat exhaust assembly is fixedly installed inside the heat exhaust port, and a heat dissipation assembly is fixedly installed in the middle of the bottom end of the copper plate base.

[0007] Preferably, the water circulation device includes a water pump, the water inlet of the water pump is fixedly connected to a connecting pipe, one end of the connecting pipe extends to the interior of the water collecting tank, the water outlet of the water pump is fixedly connected to a water inlet pipe, the top of the water inlet pipe is fixedly installed with a spray assembly for cooling the air outlet pipe, the bottom of the front side of the cooling tower shell is fixedly connected to a return pipe, one end of the return pipe extends to the water collecting tank, and the water circulation heat dissipation system can improve the reliability and stability of the equipment by evenly distributing heat.

[0008] Preferably, the spray assembly includes a spray pipe, one end of which extends to the interior of the cooling tower shell, and a plurality of water spray nozzles are fixedly installed at the bottom end of the spray pipe. The water spray nozzles are located above the air outlet pipe and can quickly absorb a large amount of heat. When water is sprinkled on the surface of a heating object, it can quickly absorb the heat emitted by the object and quickly reduce the temperature of the object.

[0009] Preferably, the heat exhaust component includes connecting rods fixedly installed on both sides of the heat exhaust port, a fan housing is fixedly installed between the two connecting rods, and a heat exhaust fan is fixedly installed inside the fan housing to discharge the hot air inside the cooling tower, which can dissipate heat more effectively.

[0010] Preferably, the heat dissipation assembly includes a radiator shell, a radiator is fixedly installed on the top of the inner wall of the radiator shell, a cooling fan is fixedly installed below the radiator, one end of the radiator is fixedly connected to a heat transfer pipe, the other end of the radiator is fixedly connected to a cold transfer pipe, one end of the heat transfer pipe is fixedly installed on one end of the copper plate base, one end of the cold transfer pipe is fixedly connected to a second water pump, one end of the second water pump extends to the other end of the copper plate base, copper is an excellent thermal conductive metal with a high thermal conductivity coefficient, it can quickly absorb and transfer the heat generated by the heat source.

[0011] Preferably, the clamping assembly includes a clamping plate and a connecting plate, both ends of the clamping plate are fixedly connected to the movable plate, the middle part of one side of the movable plate is fixedly connected to a sliding rod, the sliding rod is slidably connected to the clamping plate, and a slot is provided at the connection between the clamping plate and the sliding rod, and a rotating bearing is fixedly installed in the middle of the clamping plate, and a transmission screw is rotatably connected to the inside of the rotating bearing, and one end of the transmission screw is fixedly installed with a handle, and the middle part of the connecting plate is provided with a thread, and the other end of the transmission screw is rotatably connected to the connecting plate, and a limiting groove is provided at the sliding connection between one side of the clamping plate and the cooling tower shell and the slot, so that the pipe fitting can be better fixed and dissipated by pushing and clamping.

[0012] Compared with the prior art, the beneficial effect of the present invention is that through the combination of air cooling and water cooling, the hot air is discharged through air cooling during water cooling, which can achieve better cooling of the air outlet pipe, avoiding only unilateral heat dissipation of the water pipe and the sprayed water cannot be recycled, affecting the cooling effect and affecting the efficiency of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a three-dimensional structural diagram of the cooling device of the utility model;

[0014] Figure 2 This is a cross-sectional view of the cooling device of the present invention;

[0015] Figure 3 This is a cross-sectional view of the heat dissipation component of the cooling device of the present invention;

[0016] Figure 4 This is a diagram showing the position of the engaging components of the cooling device of the present invention;

[0017] Figure 5 This is an analytical diagram of the locking components of the cooling device of the present invention.

[0018] In the figure: 1. Water collecting tank; 2. First water pump; 3. Return pipe; 4. Water inlet pipe; 5. Cooling tower shell; 6. Heat exhaust fan; 7. Copper plate base; 8. Support leg; 9. Clamping plate; 10. Handle; 11. Movable plate; 12. Sliding rod; 13. Connecting plate; 14. Transmission screw; 15. Exhaust pipe; 16. Heat transfer pipe; 17. Cooling pipe; 18. Radiator; 19. Radiator shell; 20. Cooling fan; 21. Water nozzle; 22. Connecting pipe; 23. Spray pipe; 24. Connecting rod; 25. Fan shell; 26. Second water pump. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present invention.

[0020] See also Figure 1-5 The utility model provides a cooling device for preparing formaldehyde, including a water collecting tank 1 and a cooling tower shell 5. A water circulation device is fixedly connected to the outside of the water collecting tank 1. An air outlet pipe 15 is passed through the middle of the cooling tower shell 5. A clamping component is slidably connected to the middle of one side of the cooling tower shell 5. A copper plate base 7 is fixedly installed under the cooling tower shell 5. Support legs 8 are symmetrically installed on both sides of the bottom end of the copper plate base 7. A heat exhaust port is opened on the top of the cooling tower shell 5. A heat exhaust component is fixedly installed inside the heat exhaust port, and a heat dissipation component is fixedly installed in the middle of the bottom end of the copper plate base 7.

[0021] Reference Figure 1 The water circulation device includes a first water pump 2, the water inlet of the first water pump 2 is fixedly connected to a connecting pipe 22, one end of the connecting pipe 22 extends to the interior of the water collecting tank 1, the water outlet of the first water pump 2 is fixedly connected to a water inlet pipe 4, the top of the water inlet pipe 4 is fixedly installed with a spray assembly for cooling the air outlet pipe 15, the bottom of the front of the cooling tower shell 5 is fixedly connected to a return pipe 3, one end of the return pipe 3 extends to the water collecting tank 1, start the first water pump 2, pump out the water in the water collecting tank 1, and when the water flows into the cooling tower, it is returned to the water collecting tank 1 through the return pipe 3.

[0022] Reference Figure 2The spray assembly includes a spray pipe 23, one end of the spray pipe 23 extends to the interior of the cooling tower shell 5, and a plurality of water spray nozzles 21 are fixedly installed at the bottom end of the spray pipe 23. The water spray nozzles 21 are located above the outlet pipe 15. The first water pump 2 is started to allow the water inside the water collecting tank 1 to flow into the spray pipe 23 through the water inlet pipe 4, and then the outlet pipe 15 is sprayed and cooled through the water spray nozzles 21.

[0023] Reference Figure 2 The heat exhaust component includes connecting rods 24 fixedly installed on both sides of the heat exhaust port, a fan housing 25 is fixedly installed between the two connecting rods 24, and a heat exhaust fan 6 is fixedly installed inside the fan housing 25. When the water nozzle 21 sprays and cools the air outlet pipe 15, the heat exhaust fan 6 is started to discharge the hot air inside the cooling tower.

[0024] Reference Figure 3 The heat dissipation component includes a radiator shell 19, a cold row 18 is fixedly installed on the top of the inner wall of the radiator shell 19, and a cooling fan 20 is fixedly installed below the cold row 18. One end of the cold row 18 is fixedly connected to the heat transfer pipe 16, and the other end of the cold row 18 is fixedly connected to the cold transfer pipe 17. One end of the heat transfer pipe 16 is fixedly installed on one end of the copper plate base 7, and one end of the cold transfer pipe 17 is fixedly connected to a second water pump 26. One end of the second water pump 26 extends to the other end of the copper plate base 7. When water flows through the air outlet pipe 15, it becomes hot and heat is conducted through the copper plate base 7. The second water pump 26 is started to pass the coolant inside the copper plate base 7 into the cold row 18 through the heat transfer pipe 16, and then the cooling fan 20 is started to cool the cold row 18, and then the cold flow is returned to the copper plate base 7 through the cold transfer pipe 17 to cool the water.

[0025] Reference Figure 4 The clamping assembly includes a clamping plate 9 and a connecting plate 13 that are slidably connected to one side of the middle part of the cooling tower shell 5. Both ends of the clamping plate 9 are fixedly connected to a movable plate 11. The middle part of one side of the movable plate 11 is fixedly connected to a sliding rod 12. The sliding rod 12 is slidably connected to the clamping plate 9. A notch is provided at the connection between the clamping plate 9 and the sliding rod 12. A rotating bearing is fixedly installed in the middle of the clamping plate 9. The internal rotation connection of the rotating bearing is provided with a transmission screw 14. One end of the transmission screw 14 is fixedly installed with a handle 10. The middle part of the connecting plate 13 is provided with a thread. The other end of the transmission screw 14 is rotatably connected to the connecting plate 13. One side of the clamping plate 9 and the cooling tower shell 5 are slidingly connected to the notch. A limiting groove is provided. By shaking the handle 10, the movable plate 11 is pushed forward by the transmission screw 14, and the movable plate 11 is limited by sliding in the slide groove.

[0026] When the embodiment of the present application is used: first place the cooling tower and place the air outlet pipe 15 into it, then connect the clamping assembly to the cooling tower shell 5 through the slide groove, insert it into the limit groove through one side of the clamping plate 9 and the sliding connection between the cooling tower shell 5 and the notch to fix it, shake the handle 10, and the transmission moving plate 11 moves forward to clamp the air outlet pipe 15. When preparing formaldehyde, start the first water pump 2 to let the water inside the water collection tank 1 flow into the spray pipe 23 through the water inlet pipe 4, and then pass through The water spray nozzle 21 sprays and cools the air outlet pipe 15, and the heat exhaust fan 6 is started to discharge the hot air inside the cooling tower. The sprayed water flows into the bottom of the cooling tower and conducts heat through the copper plate base 7. The second water pump 26 is started to transfer the coolant inside the copper plate base 7 into the radiator 18 through the heat transfer pipe 16, and then the cooling fan 20 is started to cool the radiator 18. The cold flow is then returned to the copper plate base 7 through the cold transfer pipe 17 to cool the water. The cooled water flows into the return pipe 3 and returns to the inside of the water collecting tank 1.

[0027] 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 scope of protection of the present invention.

Claims

1. A cooling device for preparing formaldehyde, comprising a water collecting tank (1) and a cooling tower shell (5), characterized in that: The outer side of the water collecting tank (1) is fixedly connected to a water circulation device, the middle of the cooling tower shell (5) is penetrated by an air outlet pipe (15), the middle of one side of the cooling tower shell (5) is slidably connected to a clamping assembly, a copper plate base (7) is fixedly installed below the cooling tower shell (5), and support legs (8) are symmetrically installed on both sides of the bottom end of the copper plate base (7), a heat exhaust port is opened at the top of the cooling tower shell (5), a heat exhaust assembly is fixedly installed inside the heat exhaust port, and a heat dissipation assembly is fixedly installed in the middle of the bottom end of the copper plate base (7).

2. A cooling device for preparing formaldehyde according to claim 1, characterized in that: The water circulation device comprises a first water pump (2), a water inlet of the first water pump (2) is fixedly connected to a connecting pipe (22), one end of the connecting pipe (22) extends to the interior of the water collecting tank (1), a water outlet of the water pump (2) is fixedly connected to a water inlet pipe (4), a spray assembly for cooling the air outlet pipe (15) is fixedly installed at the top end of the water inlet pipe (4), and a return pipe (3) is fixedly connected to the bottom of the front of the cooling tower shell (5), and one end of the return pipe (3) extends to the water collecting tank (1).

3. A cooling device for preparing formaldehyde according to claim 2, characterized in that: The spray assembly includes a spray pipe (23), one end of which extends to the interior of the cooling tower shell (5), and a plurality of water spray nozzles (21) are fixedly installed at the bottom end of the spray pipe (23), and the water spray nozzles (21) are located above the air outlet pipe (15).

4. A cooling device for preparing formaldehyde according to claim 1, characterized in that: The heat exhaust assembly comprises connecting rods (24) fixedly mounted on both sides of the heat exhaust port, a fan housing (25) fixedly mounted between the two connecting rods (24), and a heat exhaust fan (6) fixedly mounted inside the fan housing (25).

5. A cooling device for preparing formaldehyde according to claim 1, characterized in that: The heat dissipation component includes a radiator shell (19), a cold row (18) is fixedly installed on the top of the inner wall of the radiator shell (19), a cooling fan (20) is fixedly installed below the cold row (18), one end of the cold row (18) is fixedly connected to a heat transfer pipe (16), the other end of the cold row (18) is fixedly connected to a cold transfer pipe (17), one end of the heat transfer pipe (16) is fixedly connected to one end of the copper plate base (7), one end of the cold transfer pipe (17) is fixedly connected to a second water pump (26), and one end of the second water pump (26) extends to the other end of the copper plate base (7).

6. A cooling device for preparing formaldehyde according to claim 1, characterized in that: The clamping assembly comprises a clamping plate (9) and a connecting plate (13), both ends of the clamping plate (9) are fixedly connected to a movable plate (11), a sliding rod (12) is fixedly connected to the middle of one side of the movable plate (11), and the sliding rod (12) is slidably connected to the clamping plate (9), a notch is provided at the connection between the clamping plate (9) and the sliding rod (12), a rotary bearing is fixedly installed at the middle of the clamping plate (9), a transmission screw (14) is rotatably connected inside the rotary bearing, a handle (10) is fixedly installed at one end of the transmission screw (14), a thread is provided at the middle of the connecting plate (13), and the other end of the transmission screw (14) is rotatably connected to the connecting plate (13), and a limiting groove is provided at the sliding connection between one side of the clamping plate (9) and the cooling tower shell (5) and the notch.

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