Environment-friendly, energy-saving and emission-reducing waste heat flue gas recovery device

Abstract

The utility model discloses an environment-friendly energy-saving emission reduction waste heat flue gas recovery device which comprises a flue gas recovery box, filter plates are symmetrically and movably installed in the flue gas recovery box, a filter screen is fixedly installed in the middle of each filter plate, and the filter plates divide the flue gas recovery box into a spraying area, a cooling filter area and a recovery area from top to bottom. According to the waste heat recovery device, the smoke inlet pipe is arranged, waste heat smoke enters the smoke recovery box through the smoke inlet pipe, water enters the smoke recovery box through the spraying assembly, cooling water is accumulated in the smoke recovery box, the liquid level of the cooling water is higher than the smoke inlet pipe, the smoke is rapidly cooled through the cooling water, and the smoke is cooled through the spraying assembly. And the smoke inlet pipe is spirally arranged, so that the cooling stroke of smoke in water can be increased. The device has the characteristics of high practicability and capability of recycling waste water.

Description

Technical Field

[0001] The utility model relates to the technical field of flue gas recovery, in particular to an environmentally friendly, energy-saving and emission-reducing waste heat flue gas recovery device. Background Art

[0002] Waste gas refers to toxic and harmful gases discharged by humans in the process of production and life, especially chemical plants, steel mills, pharmaceutical plants, coking plants and refineries, etc. The waste gas emitted has a strong odor, seriously pollutes the environment and affects human health. The current flue gas recovery device does not handle the flue gas perfectly when collecting the flue gas, has a single structure, high cost, high cost, and low practicality. The utility model with publication number CN214865904U discloses an environmentally friendly, energy-saving and emission-reducing waste heat flue gas recovery device, including a device body; in the utility model, a motor drives a reducer to rotate, and the reducer drives a connecting shaft to rotate, The connecting shaft drives the rotating rod to rotate, and the rotation of the rotating rod enables the first connecting rod to rotate. The rotation of the first connecting rod enables the two groups of first brushes to clean the inner wall of the waste heat collection box, and the rotation of the first connecting rod can also drive the second connecting rod to rotate around the rotating rod. However, the existing environmentally friendly, energy-saving and emission-reducing waste heat and flue gas recovery device, although it cleans the device, does not recycle the cleaned waste water, so that the entire device produces new waste water and wastes water resources. Therefore, it is very necessary to design an environmentally friendly, energy-saving and emission-reducing waste heat and flue gas recovery device that is highly practical and can recycle waste water. Utility Model Content

[0003] The purpose of the utility model is to provide an environmentally friendly, energy-saving, and emission-reducing waste heat and flue gas recovery device to solve the problems raised in the above-mentioned background technology.

[0004] In order to solve the above-mentioned technical problems, the utility model provides the following technical solutions: an environmentally friendly, energy-saving and emission-reducing waste heat flue gas recovery device, comprising a flue gas recovery box, a filter plate symmetrically and movably installed in the flue gas recovery box, and a filter net fixedly installed in the middle of the filter plate, the filter plate divides the flue gas recovery box from top to bottom into a spray area, a cooling filtration area and a recovery area, a spray assembly is provided at the upper end of the spray area, a smoke outlet pipe is fixedly installed on one side of the spray area, a smoke inlet pipe is fixedly installed on one side of the cooling filtration area and the smoke inlet pipe is spirally arranged, one end of the smoke inlet pipe is located in the cooling filtration area and is fixedly installed with a one-way valve, the other end of the smoke inlet pipe extends out of the outer wall of the smoke recovery box, a water outlet pipe is fixedly installed at one end of the recovery area and a control valve is fixedly installed on the water outlet pipe.

[0005] According to the above technical solution, the spray assembly includes a water inlet pipe, an annular spray seat, a water storage chamber and a spray head. The water inlet pipe passes through and is fixedly installed in the middle position of the upper wall of the flue gas recovery box. The lower end of the water inlet pipe extends into the spray area and is fixedly installed with the annular spray seat. The water storage chamber is opened in the annular spray seat and the spray head is evenly distributed at the lower end of the water storage chamber.

[0006] According to the above technical solution, a sealing plate is fixedly installed at one end of the filter plate, a sealing groove is symmetrically opened at one end of the smoke recovery box, and the sealing plate is fixedly installed in the corresponding sealing groove through a fixing component.

[0007] According to the above technical solution, the fixing assembly includes a fixing groove, a movable plate, a fixing block, a slot, a connecting rod, a pull ring and a spring. The fixing groove is symmetrically opened at one end of the smoke recovery box and located on both sides of the sealing groove. The movable plate is movably installed in the fixing groove, and the fixing block is symmetrically fixedly installed at one end of the movable plate adjacent to the sealing groove. The sealing plate is symmetrically opened with the slot, and one end of the fixed block is movably installed in the corresponding slot. The connecting rod is fixedly installed at the middle position of the end of the movable plate away from the sealing groove, and the spring is sleeved on the outside of the connecting rod. The connecting rod passes through the outer wall of the smoke recovery box and is fixedly installed with the pull ring.

[0008] According to the above technical solution, the outer wall surface of the sealing plate is flush with the outer wall surface of the smoke recovery box and a handle groove is provided on the outer wall of the sealing plate.

[0009] According to the above technical solution, a sealing gasket is fixedly installed on one end of the sealing plate adjacent to the filter plate.

[0010] Compared with the prior art, the beneficial effects achieved by the utility model are as follows: the utility model is provided with a smoke inlet pipe, and the waste hot smoke enters the smoke recovery box through the smoke inlet pipe, and water is simultaneously introduced into the smoke recovery box through the spray assembly, cooling water is accumulated in the smoke recovery box, and the liquid level of the cooling water is higher than the smoke inlet pipe, and the smoke is quickly cooled by the cooling water, and the spiral arrangement of the smoke inlet pipe can increase the cooling stroke of the smoke in the water, and after the smoke leaves the smoke inlet pipe, the smoke is first filtered by water, and the filtered smoke needs to be filtered through the filter mesh again before entering the spray area, and through the coordinated use of the water inlet pipe, the annular spray seat, the water storage chamber and the spray head, water can be introduced through the water inlet pipe, and sprayed through the spray head, so as to spray and reduce dust on the smoke, and settle the particulate impurities in the smoke, and the purified smoke flows out through the smoke outlet pipe, reducing waste The direct discharge of gas is beneficial to environmental protection. The cooling water in the flue gas recovery box needs to be filtered through the filter net to enter the recovery area and flow out through the outlet pipe. The hot water can be reused for a second time, saving energy. The sealing plate can be fixed by the coordinated use of the fixed groove, the movable plate, the fixed block, the slot, the connecting rod, the pull ring and the spring. The fixing block is inserted into the corresponding slot by relying on the elastic force of the spring to fix the sealing plate. The sealing gasket can increase the sealing performance of the sealing plate to prevent it from shaking and causing gaps, which may cause leakage of flue gas and water. When the filter net needs to be replaced, the sealing plate can be removed by pulling the pull ring. The operation is convenient and quick. The outer wall of the sealing plate is flush with the outer wall of the flue gas recovery box, which can increase the flatness and beauty of the outer wall of the flue gas recovery box. At the same time, the sealing plate can be easily pulled out through the handle groove. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0012] Figure 1 It is a three-dimensional schematic diagram of the utility model;

[0013] Figure 2 It is a schematic diagram of the main cross-sectional view of the utility model;

[0014] Figure 3 It is a schematic diagram of the main cross-sectional view of the sealing plate of the utility model;

[0015] Figure 4 It is a schematic diagram of the annular spray seat and the spray head of the utility model;

[0016] Figure 5 It is a three-dimensional schematic diagram of the filter plate and the sealing plate of the utility model;

[0017] In the figure: 1-smoke recovery box, 2-filter plate, 3-filter screen, 4-spraying area, 5-cooling filter area, 6-recovery area, 7-spraying assembly, 701-water inlet pipe, 702-annular spray seat, 703-water storage chamber, 704-spraying head, 8-smoke outlet pipe, 9-smoke inlet pipe, 10-check valve, 11-water outlet pipe, 12-control valve, 13-sealing plate, 14-sealing groove, 15-fixed assembly, 1501-fixed groove, 1502-movable plate, 1503-fixed block, 1504-slot, 1505-connecting rod, 1506-pull ring, 1507-spring, 16-handle groove, 17-sealing pad. DETAILED DESCRIPTION

[0018] 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.

[0019] See also Figure 1-5 The utility model provides a technical solution: an environmentally friendly, energy-saving and waste heat emission reduction flue gas recovery device, comprising a flue gas recovery box 1, a filter plate 2 is symmetrically and movably installed in the flue gas recovery box 1, and a filter screen 3 is fixedly installed in the middle of the filter plate 2, the filter plate 2 divides the flue gas recovery box 1 from top to bottom into a spray area 4, a cooling filter area 5 and a recovery area 6, a spray assembly 7 is provided at the upper end of the spray area 4, a smoke outlet pipe 8 is fixedly installed on one side of the spray area 4, a smoke inlet pipe 9 is fixedly installed on one side of the cooling filter area 5, and the smoke inlet pipe 9 is spirally arranged, one end of the smoke inlet pipe 9 is located in the cooling filter area 5 and a one-way valve 10 is fixedly installed, and the other end of the smoke inlet pipe 9 extends out of the outer wall of the flue gas recovery box 1, one end of the recovery area 6 is fixedly installed with a water outlet pipe 11, and a control valve 12 is fixedly installed on the water outlet pipe 11 When the utility model is in use, the waste hot flue gas enters the flue gas recovery box 1 through the smoke inlet pipe 9, and water is introduced through the spray assembly 7. Cooling water is accumulated in the smoke recovery box 1, and the liquid level of the cooling water is higher than the smoke inlet pipe 9. The smoke is quickly cooled by the cooling water. The spiral arrangement of the smoke inlet pipe 9 can increase the cooling stroke of the smoke in the water. After the smoke leaves the smoke inlet pipe 9, it is first filtered by water. The filtered smoke needs to be filtered through the filter net 3 again and then enter the spray area 4, and is sprayed by the spray assembly 7 for sedimentation treatment again. The purified smoke flows out through the smoke outlet pipe 8, which reduces the direct emission of waste gas and is beneficial to environmental protection. The cooling water in the smoke recovery box 1 needs to be filtered through the filter net 3 to enter the recovery area 6 and flow out through the water outlet pipe 11, so that hot water can be reused for a second time, saving energy.

[0020] Specifically, the spray assembly 7 includes a water inlet pipe 701, an annular spray seat 702, a water storage chamber 703 and a spray head 704. The water inlet pipe 701 is fixedly installed in the middle position of the upper wall of the flue gas recovery box 1. The lower end of the water inlet pipe 701 extends into the spray area 4 and is fixedly installed with the annular spray seat 702. The water storage chamber 703 is opened in the annular spray seat 702 and the spray heads 704 are evenly distributed at the lower end of the water storage chamber 703. Through the coordinated use of the water inlet pipe 701, the annular spray seat 702, the water storage chamber 703 and the spray head 704, water can be introduced through the water inlet pipe 701 and sprayed through the spray head 704 to spray and reduce dust on the flue gas and settle the particulate impurities in the flue gas.

[0021] Specifically, a sealing plate 13 is fixedly installed at one end of the filter plate 2, and a sealing groove 14 is symmetrically opened at one end of the smoke recovery box 1, and the sealing plate 13 is fixedly installed in the corresponding sealing groove 14 through a fixing component 15;

[0022] Specifically, the fixing assembly 15 includes a fixing groove 1501, a movable plate 1502, a fixing block 1503, a slot 1504, a connecting rod 1505, a pull ring 1506 and a spring 1507. The fixing groove 1501 is symmetrically provided at one end of the smoke recovery box 1 and located on both sides of the sealing groove 14. The movable plate 1502 is movably installed in the fixing groove 1501. The fixing block 1503 is symmetrically fixedly installed at one end of the movable plate 1502 adjacent to the sealing groove 14. The slot 1504 is symmetrically provided on the sealing plate 13. One end of the fixing block 1503 is movably installed in the corresponding slot 1504. The movable plate 1502 is fixedly installed in the middle position of one end away from the sealing groove 14. The connecting rod 1505 is provided, and the spring 1507 is sleeved on the outside of the connecting rod 1505. The connecting rod 1505 passes through the outer wall of the smoke recovery box 1 and is fixedly installed with the pull ring 1506. The sealing plate 13 can be fixed by the coordinated use of the fixing groove 1501, the movable plate 1502, the fixing block 1503, the slot 1504, the connecting rod 1505, the pull ring 1506 and the spring 1507. The fixing block 1503 is inserted into the corresponding slot 1504 by relying on the elastic force of the spring 1507 to fix the sealing plate 13 to prevent it from shaking to generate a gap and cause leakage of smoke and water. When the filter screen 3 needs to be replaced, the sealing plate 13 can be removed by pulling the pull ring 1506, and the operation is convenient and quick;

[0023] Specifically, the outer wall surface of the sealing plate 13 is flush with the outer wall surface of the smoke recovery box 1, and a handle groove 16 is provided on the outer wall of the sealing plate 13. The outer wall surface of the sealing plate 13 is flush with the outer wall surface of the smoke recovery box 1, which can increase the flatness and aesthetics of the outer wall surface of the smoke recovery box 1, and at the same time, the sealing plate 13 can be easily pulled out through the handle groove 16;

[0024] Specifically, a sealing gasket 17 is fixedly mounted on one end of the sealing plate 13 adjacent to the filter plate 2. The sealing gasket 17 can increase the sealing performance of the sealing plate 13 to prevent smoke and water leakage.

[0025] Working principle: When the utility model is in use, the waste hot flue gas enters the flue gas recovery box 1 through the smoke inlet pipe 9, and water is taken in through the spray assembly 7. Cooling water is accumulated in the smoke recovery box 1, and the liquid level of the cooling water is higher than the smoke inlet pipe 9. The smoke is quickly cooled by the cooling water. The spiral arrangement of the smoke inlet pipe 9 can increase the cooling distance of the smoke in the water. After the smoke leaves the smoke inlet pipe 9, the smoke is first filtered by water. The filtered smoke needs to be filtered through the filter mesh 3 again before entering the spray area 4, and through the coordinated use of the water inlet pipe 701, the annular spray seat 702, the water storage chamber 703 and the spray head 704, water can be taken in through the water inlet pipe 701, and sprayed through the spray head 704 to spray the smoke to reduce dust, and the particulate impurities in the smoke are settled. The purified smoke flows out through the smoke outlet pipe 8, which reduces the direct emission of exhaust gas and is beneficial to environmental protection. The cooling water in the smoke recovery box 1 needs to pass through The filtered water of the filter screen 3 enters the recovery area 6 and flows out through the water outlet pipe 11, so that the hot water can be reused for a second time, thus saving energy. The sealing plate 13 can be fixed by the coordinated use of the fixed groove 1501, the movable plate 1502, the fixed block 1503, the slot 1504, the connecting rod 1505, the pull ring 1506 and the spring 1507. The fixing block 1503 is inserted into the corresponding slot 1504 by relying on the elastic force of the spring 1507 to fix the sealing plate 13. The sealing performance of the sealing plate 13 can be increased by the sealing gasket 17 to prevent the sealing plate 13 from shaking and causing gaps, thereby causing leakage of smoke and water. When the filter screen 3 needs to be replaced, the sealing plate 13 can be removed by pulling the pull ring 1506. The operation is convenient and quick. The outer wall surface of the sealing plate 13 is flush with the outer wall surface of the smoke recovery box 1, which can increase the flatness and aesthetics of the outer wall surface of the smoke recovery box 1. At the same time, the sealing plate 13 can be easily pulled out through the handle groove 16.

[0026] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0027] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An environmentally friendly, energy-saving and emission-reducing waste heat flue gas recovery device, comprising a flue gas recovery box (1), characterized in that: A filter plate (2) is symmetrically and movably installed in the smoke recovery box (1), and a filter net (3) is fixedly installed in the middle of the filter plate (2). The filter plate (2) divides the smoke recovery box (1) from top to bottom into a spraying area (4), a cooling filter area (5) and a recovery area (6). A spray assembly (7) is provided at the upper end of the spraying area (4). A smoke outlet pipe (8) is fixedly installed on one side of the spraying area (4). A smoke inlet pipe (9) is fixedly installed on one side of the cooling filter area (5), and the smoke inlet pipe (9) is arranged in a spiral shape. One end of the smoke inlet pipe (9) is located in the cooling filter area (5) and is fixedly installed with a one-way valve (10). The other end of the smoke inlet pipe (9) extends out of the outer wall of the smoke recovery box (1). A water outlet pipe (11) is fixedly installed at one end of the recovery area (6), and a control valve (12) is fixedly installed on the water outlet pipe (11).

2. The environmentally friendly, energy-saving and emission-reducing waste heat and flue gas recovery device according to claim 1 is characterized by: The spray assembly (7) comprises a water inlet pipe (701), an annular spray seat (702), a water storage chamber (703) and a spray head (704); the water inlet pipe (701) passes through and is fixedly installed in the middle position of the upper wall of the smoke recovery box (1); the lower end of the water inlet pipe (701) extends into the spray area (4) and is fixedly installed with the annular spray seat (702); the water storage chamber (703) is opened in the annular spray seat (702) and the spray heads (704) are evenly distributed at the lower end of the water storage chamber (703).

3. The environmentally friendly, energy-saving and emission-reducing waste heat and flue gas recovery device according to claim 2 is characterized by: A sealing plate (13) is fixedly mounted on one end of the filter plate (2), a sealing groove (14) is symmetrically provided on one end of the smoke recovery box (1), and the sealing plate (13) is fixedly mounted in the corresponding sealing groove (14) via a fixing assembly (15).

4. The environmentally friendly, energy-saving and emission-reducing waste heat and flue gas recovery device according to claim 3 is characterized by: The fixing assembly (15) comprises a fixing groove (1501), a movable plate (1502), a fixing block (1503), a slot (1504), a connecting rod (1505), a pull ring (1506) and a spring (1507); the fixing groove (1501) is symmetrically provided at one end of the smoke recovery box (1) and located on both sides of the sealing groove (14); the movable plate (1502) is movably installed in the fixing groove (1501); and the movable plate (1502) is symmetrically fixedly installed at one end adjacent to the sealing groove (14). The fixed block (1503) and the sealing plate (13) are symmetrically provided with the slots (1504), one end of the fixed block (1503) is movably installed in the corresponding slot (1504), the connecting rod (1505) is fixedly installed at the middle position of one end of the movable plate (1502) away from the sealing groove (14), the spring (1507) is sleeved on the outside of the connecting rod (1505), and the connecting rod (1505) passes through the outer wall of the smoke recovery box (1) and is fixedly installed with the pull ring (1506).

5. The environmentally friendly, energy-saving and emission-reducing waste heat and flue gas recovery device according to claim 4 is characterized by: The outer wall surface of the sealing plate (13) is flush with the outer wall surface of the smoke recovery box (1), and a handle groove (16) is provided on the outer wall of the sealing plate (13).

6. The environmentally friendly, energy-saving and emission-reducing waste heat and flue gas recovery device according to claim 5 is characterized by: A sealing gasket (17) is fixedly mounted on one end of the sealing plate (13) adjacent to the filter plate (2).

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