Dual-carbon emission reduction waste steam waste heat recovery device

Abstract

The utility model discloses a dual-carbon emission reduction waste steam waste heat recovery device, and relates to the technical field of waste gas treatment, the dual-carbon emission reduction waste steam waste heat recovery device is provided with a waste heat recovery tank, a water pipe rotating assembly, a gas inlet pipe, a spray head and a circulating pipe, the waste heat recovery tank collects waste heat steam through the gas inlet pipe, and the water pipe rotating assembly rotates around the water pipe rotating assembly; low-temperature water in the waste heat recovery tank flows into the spraying head from the water inlet box through the water inlet pipe and then is sprayed out of the spraying head, in the process, the water pipe rotating assembly can drive the water inlet pipe and the spraying head to rotate, hot air in the waste heat recovery tank is upward, the low-temperature water is downward and makes full contact with the hot air at the moment, and a water source can be rapidly heated; other hot air flows back to the bottom of the waste heat recovery tank through the circulating pipe after flowing upwards, high-temperature water at the bottom of the waste heat recovery tank is heated, the hot air can be repeatedly used, the water source can be rapidly and effectively heated, the water source heating time is shortened, and the recovery efficiency is higher.

Description

Technical Field

[0001] The utility model relates to the technical field of waste gas treatment, in particular to a dual-carbon emission reduction waste steam waste heat recovery device. Background Art

[0002] At present, most of the waste heat steam is not polluted, so it can be sent back to the boiler or other water supply system to achieve the purpose of waste heat recovery. In this process, a dual-carbon emission reduction waste gas waste heat recovery device will be used.

[0003] For example, the utility model with patent number CN202321843607.7 discloses a waste heat recovery device for dual-carbon emission reduction waste steam. It includes a base and an absorber arranged on the base, an air inlet pipe is arranged at the upper end of the absorber, a liquid outlet pipe is arranged at the lower end, an absorber is arranged above the air inlet pipe, the outlet of the absorber is connected to the air inlet pipe, and a film former and a packing chamber are arranged in sequence from top to bottom inside the absorber, a rotary film tube is arranged inside the film former, and a water inlet pipe connected to the film former is arranged on the outside of the absorber. In the utility model, low-temperature water enters the film former through the water inlet pipe to form a multi-layer water film covering the entire area, which reduces the droplet size of the low-temperature water and increases the contact area with the waste heat steam. The high-speed and high-temperature waste heat steam ejected from the absorber is completely mixed with the low-temperature water, thereby effectively improving the condensation efficiency of the waste heat steam; because the device directly adopts forced heat exchange between steam and water, the steam and low-temperature water are in direct contact, and the heat exchange efficiency is high;

[0004] The dual-carbon emission reduction waste steam waste heat recovery device in this patent cannot heat the water source quickly and effectively. It takes a lot of time in the waste heat recovery process and the recovery efficiency is not very high. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a dual-carbon emission reduction waste steam waste heat recovery device, which solves the problem that the device cannot quickly and effectively heat the water source and the recovery efficiency is not very high.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: a dual-carbon emission reduction waste steam waste heat recovery device, comprising a waste heat recovery tank, an insulation sleeve is fixedly installed on the outside of the waste heat recovery tank, a support column is arranged at the lower end of the insulation sleeve, a water outlet pipe is arranged at the lower end of the waste heat recovery tank, a water inlet box is fixedly installed on the upper end of the waste heat recovery tank, a water inlet pipe is arranged at the lower end of the water inlet box, a spray head is fixedly installed at the lower end of the water inlet pipe, a gear box is arranged on the side of the water inlet box, a water pipe rotating assembly is installed on the gear box, an air inlet pipe is fixedly installed on the outside of the waste heat recovery tank, the air inlet pipe extends to the inside of the waste heat recovery tank, a circulation pipe is fixedly installed on the outside of the waste heat recovery tank, a first packing layer is arranged inside the waste heat recovery tank, a filter screen is arranged at the lower side of the first packing layer, a second packing layer is arranged on the outside of the spray head, and a cavity is left between the second packing layer and the top of the waste heat recovery tank.

[0007] Preferably, the water pipe rotating assembly comprises a driving motor, an output end of the driving motor is provided with a driving gear, and a side surface of the driving gear is provided with a driven gear.

[0008] Furthermore, the driving gear and the driven gear are meshingly connected, a circular hole corresponding to the water inlet pipe is opened on the surface of the driven gear, and the water inlet pipe is fixedly installed inside the circular hole.

[0009] Preferably, the lower surface of the spray head is provided with evenly distributed spray holes, and the spray head is attached to the inner wall of the second packing layer.

[0010] Preferably, an inspection plate is detachably mounted on the outside of the insulation sleeve, ear plates are arranged on both sides of the inspection plate, and mounting holes are opened on the surfaces of the ear plates.

[0011] Furthermore, a sealing ring is provided inside the inspection plate, the sealing ring is engaged with the waste heat recovery tank, and a handle is fixedly installed on the surface of the inspection plate.

[0012] Preferably, the circulation pipe is fixedly connected to the outside with an exhaust pipe, and one-way valves are installed on the circulation pipe and the exhaust pipe.

[0013] Beneficial Effects

[0014] The utility model provides a dual-carbon emission reduction waste steam waste heat recovery device. Compared with the prior art, it has the following beneficial effects:

[0015] 1. The dual-carbon emission reduction waste steam waste heat recovery device is equipped with a waste heat recovery tank, a water pipe rotating assembly, an air intake pipe, a spray head and a circulation pipe. The waste heat recovery tank collects waste heat steam through the air intake pipe, and the low-temperature water in the waste heat recovery tank flows from the water inlet box through the water inlet pipe into the spray head, and then is sprayed out from the spray head. During this process, the water pipe rotating assembly can drive the water inlet pipe and the spray head to rotate. At this time, the hot air in the waste heat recovery tank goes up and the low-temperature water goes down. The water source is fully contacted with the hot air and can be quickly heated. The remaining hot air goes up and flows back to the bottom of the waste heat recovery tank through the circulation pipe to heat the high-temperature water at the bottom of the waste heat recovery tank. Not only can the hot air be reused, but the water source can also be quickly and effectively heated, reducing the water source heating time and achieving higher recovery efficiency.

[0016] 2. The dual-carbon emission reduction waste steam waste heat recovery device can partially shield the high-temperature water at the bottom of the waste heat recovery tank by setting an insulation sleeve, which plays a certain insulation role, reduces the temperature dissipation rate, and allows the high-temperature water to be discharged normally from the outlet pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 It is a cross-sectional view of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the waste heat recovery tank in the utility model;

[0020] Figure 4 It is a structural schematic diagram of the water pipe rotating assembly in the utility model.

[0021] In the figure: 1. Waste heat recovery tank; 2. Insulation sleeve; 3. Gear box; 4. Water inlet box; 5. Water inlet pipe; 6. Sprinkler head; 7. Water pipe rotating assembly; 701. Drive motor; 702. Active gear; 703. Driven gear; 8. Inlet pipe; 9. Circulation pipe; 10. Exhaust pipe; 11. First packing layer; 12. Filter; 13. Second packing layer; 14. Inspection panel; 1401. Ear plate; 15. Handle; 16. Support column; 17. Water outlet pipe. DETAILED DESCRIPTION

[0022] 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.

[0023] See also Figure 1-4The utility model provides a technical solution: a waste heat recovery device for waste steam with dual carbon emission reduction, including a waste heat recovery tank 1, a heat preservation sleeve 2 is fixedly installed on the outside of the waste heat recovery tank 1, a support column 16 is arranged at the lower end of the heat preservation sleeve 2, and a water outlet pipe 17 is arranged at the lower end of the waste heat recovery tank 1. The heat preservation sleeve 2 can partially block the high-temperature water at the bottom of the waste heat recovery tank 1, play a certain heat preservation role, reduce the temperature dissipation speed, so that the high-temperature water can be discharged normally from the water outlet pipe 17, a water inlet box 4 is fixedly installed on the upper end of the waste heat recovery tank 1, a water inlet pipe 5 is arranged at the lower end of the water inlet box 4, a spray head 6 is fixedly installed at the lower end of the water inlet pipe 5, a gear box 3 is arranged on the side of the water inlet box 4, and a water pipe rotating assembly 7 is installed on the gear box 3, an air intake pipe 8 is fixedly installed on the outside of the waste heat recovery tank 1, and the air intake pipe 8 extends To the inside of the waste heat recovery tank 1, a circulation pipe 9 is fixedly installed on the outside of the waste heat recovery tank 1, a first packing layer 11 is arranged inside the waste heat recovery tank 1, a filter screen 12 is arranged on the lower side of the first packing layer 11, a second packing layer 13 is arranged on the outside of the spray head 6, and a cavity is left between the second packing layer 13 and the top of the waste heat recovery tank 1. The first packing layer 11 and the filter screen 12 can filter water, and the second packing layer 13 can filter gas. The hot air in the waste heat recovery tank 1 goes up, and the low-temperature water goes down, and is fully in contact with the hot air, so the water source can be quickly heated. The remaining hot air goes up and flows back to the bottom of the waste heat recovery tank 1 through the circulation pipe 9 to heat the high-temperature water at the bottom of the waste heat recovery tank 1. Not only can the hot air be reused, but the water source can also be quickly and effectively heated, reducing the water source heating time and achieving higher recovery efficiency.

[0024] The water pipe rotating assembly 7 includes a driving motor 701, a driving gear 702 is provided at the output end of the driving motor 701, a driven gear 703 is provided on the side of the driving gear 702, the driving gear 702 and the driven gear 703 are meshedly connected, a circular hole corresponding to the water inlet pipe 5 is provided on the surface of the driven gear 703, the water inlet pipe 5 is fixedly installed inside the circular hole, and uniformly distributed spray holes are provided on the lower surface of the spray head 6, and the spray head 6 is attached to the inner wall of the second packing layer 13. After the driving motor 701 is started, it drives the driving gear 702 to rotate, thereby driving the driven gear 703 to rotate, so that the water inlet pipe 5 can rotate with the driven gear 703, and the water inlet pipe 5 During the rotation process, the sprinkler head 6 is driven to rotate in all directions, so that the water source can be sprayed in all directions. The insulation sleeve 2 is detachably installed with an inspection plate 14 on the outside, and ear plates 1401 are arranged on both sides of the inspection plate 14. The surface of the ear plate 1401 is provided with mounting holes. A sealing ring is arranged inside the inspection plate 14, and the sealing ring is engaged with the waste heat recovery tank 1. A handle 15 is fixedly installed on the surface of the inspection plate 14. The outside of the circulation pipe 9 is fixedly connected with the exhaust pipe 10, and the circulation pipe 9 and the exhaust pipe 10 are installed with a one-way valve. By setting the one-way valve, the gas in the circulation pipe 9 will not flow back. At the same time, the one-way valve in the exhaust pipe 10 can be opened to transport the gas out, so that the waste heat can be used for other purposes.

[0025] During operation, the air inlet pipe 8 is first connected to the external waste heat steam discharge device, and the water inlet box 4 is opened to allow low-temperature water to flow into the waste heat recovery tank 1. During this process, the driving motor 701 in the water pipe rotating assembly 7 is turned on. After the driving motor 701 is started, it drives the active gear 702 to rotate, thereby driving the driven gear 703 to rotate, so that the water inlet pipe 5 can rotate with the driven gear 703. During the rotation process, the water inlet pipe 5 drives the sprinkler head 6 to rotate in all directions, so that the water source can be sprayed out in all directions. At this time, the hot air in the waste heat recovery tank 1 goes up, and the low-temperature water goes down. The water source can be quickly heated by fully contacting the hot air. The remaining hot air goes up and flows back to the bottom of the waste heat recovery tank 1 through the circulation pipe 9 to heat the high-temperature water at the bottom of the waste heat recovery tank 1. After heating to a certain temperature, the solenoid valve in the water outlet pipe 17 can be opened to discharge the hot water.

[0026] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

Claims

1. A waste heat recovery device for waste steam with dual carbon emission reduction, comprising a waste heat recovery tank (1), characterized in that: The waste heat recovery tank (1) is fixedly provided with a heat preservation sleeve (2) on the outside, a support column (16) is provided at the lower end of the heat preservation sleeve (2), a water outlet pipe (17) is provided at the lower end of the waste heat recovery tank (1), a water inlet box (4) is fixedly provided at the upper end of the waste heat recovery tank (1), a water inlet pipe (5) is provided at the lower end of the water inlet box (4), a spray head (6) is fixedly provided at the lower end of the water inlet pipe (5), a gear box (3) is provided on the side of the water inlet box (4), and a water pipe rotating assembly (17) is installed on the gear box (3). 7), an air intake pipe (8) is fixedly installed on the outside of the waste heat recovery tank (1), and the air intake pipe (8) extends to the inside of the waste heat recovery tank (1); a circulation pipe (9) is fixedly installed on the outside of the waste heat recovery tank (1); a first packing layer (11) is arranged inside the waste heat recovery tank (1), and a filter screen (12) is arranged on the lower side of the first packing layer (11); a second packing layer (13) is arranged on the outside of the spray head (6), and a cavity is left between the second packing layer (13) and the top of the waste heat recovery tank (1).

2. The dual-carbon emission reduction waste steam waste heat recovery device according to claim 1 is characterized in that: The water pipe rotating assembly (7) comprises a driving motor (701), an output end of the driving motor (701) is provided with a driving gear (702), and a side surface of the driving gear (702) is provided with a driven gear (703).

3. The dual-carbon emission reduction waste steam waste heat recovery device according to claim 2 is characterized in that: The driving gear (702) and the driven gear (703) are meshingly connected, and a circular hole corresponding to the water inlet pipe (5) is opened on the surface of the driven gear (703), and the water inlet pipe (5) is fixedly installed inside the circular hole.

4. The dual-carbon emission reduction waste steam waste heat recovery device according to claim 1 is characterized in that: The lower surface of the spray head (6) is provided with evenly distributed spray holes, and the spray head (6) is attached to the inner wall of the second filler layer (13).

5. The dual-carbon emission reduction waste steam waste heat recovery device according to claim 1 is characterized in that: The insulation sleeve (2) is detachably provided with an inspection plate (14) on the outside, and ear plates (1401) are provided on both sides of the inspection plate (14), and mounting holes are provided on the surface of the ear plates (1401).

6. The dual-carbon emission reduction waste steam waste heat recovery device according to claim 5 is characterized in that: A sealing ring is provided inside the inspection plate (14), the sealing ring is engaged with the waste heat recovery tank (1), and a handle (15) is fixedly mounted on the surface of the inspection plate (14).

7. The dual-carbon emission reduction waste steam waste heat recovery device according to claim 1 is characterized in that: The circulation pipe (9) is fixedly connected to an exhaust pipe (10) on the outside, and one-way valves are installed on the circulation pipe (9) and the exhaust pipe (10).

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