Equipment for recycling waste heat of waste flue gas of urban household garbage incinerator

Abstract

The utility model relates to the field of flue gas treatment and technology, in particular to equipment for recycling waste heat of waste flue gas of an urban household garbage incinerator, and aims to solve the problems that a certain amount of pollution and waste are easily caused when heat in the flue gas is directly discharged into the air; the equipment comprises a base, a treatment box is arranged at the upper end of the base, a smoke inlet pipe and a smoke outlet pipe are arranged at the upper end and the lower end of the treatment box respectively, a heat converter is arranged in the treatment box and comprises a heat conduction pipe, and a plurality of heat absorption pieces are arranged on the outer surface of the heat conduction pipe. A water inlet and a water outlet are respectively formed in two ends of the heat-conducting pipe; a detachable filter plate is further arranged on the inner wall of the upper end of the treatment box; and heat can be converted and recycled, so that pollution is reduced, and resources are further saved through recycling.

Description

Technical Field

[0001] The utility model relates to the technical field of flue gas treatment, in particular to a waste flue gas waste heat recycling and utilization device for municipal solid waste incinerators. Background Art

[0002] Municipal solid waste refers to solid waste generated in daily urban life or in activities providing services for daily urban life, as well as solid waste regarded as municipal solid waste as stipulated by laws and administrative regulations, mainly including household waste, commercial waste, market waste, street waste, public place waste, and waste from units such as government agencies, schools, factories, and mines. When the domestic waste accumulates to a certain amount, it needs to be incinerated. A large amount of flue gas is generated when the municipal solid waste incinerator is working, and the flue gas usually contains a certain amount of heat. Directly discharging this heat into the air is likely to cause pollution and also result in a certain amount of energy waste. Therefore, a waste flue gas waste heat recycling and utilization device for municipal solid waste incinerators is proposed to solve the problems mentioned above. Content of the Utility Model

[0003] Aiming at the problem that the heat in the flue gas is directly discharged into the air, which is likely to cause a certain amount of pollution and waste, the utility model provides a waste flue gas waste heat recycling and utilization device for municipal solid waste incinerators, which can convert and reuse the heat, thereby reducing pollution, recycling and further saving resources, and effectively solving the problems mentioned in the above background art.

[0004] The technical solution adopted by the utility model to solve the above problems is as follows:

[0005] A waste flue gas waste heat recycling and utilization device for municipal solid waste incinerators includes a base. A treatment box is provided at the upper end of the base. An inlet flue and an outlet flue are respectively provided at the upper and lower ends of the treatment box. A heat converter is provided inside the treatment box. The heat converter includes a heat conduction pipe. A plurality of heat absorption fins are provided on the outer surface of the heat conduction pipe. An inlet water port and an outlet water port are respectively provided at both ends of the heat conduction pipe. A detachable filter plate is also provided on the inner wall of the upper end of the treatment box.

[0006] A smoke expansion port is fixedly connected to the upper end surface of the treatment box, and the inlet flue is fixedly connected to the upper end surface of the smoke expansion port.

[0007] A push-pull groove is opened at the upper end of the treatment box. A pull-out plate is slidably connected to the inner wall of the push-pull groove. A locking device for fixing the pull-out plate is provided on the inner wall of the front end of the pull-out plate. A support groove is opened on the upper end surface of the pull-out plate, and the filter plate is placed on the inner wall of the support groove.

[0008] The locking device includes a rotatable handle. A disc is coaxially and fixedly connected to the rear end of the handle. Two centrally symmetric long connecting rods are hinged to the non - central part of the rear - end surface of the disc. The other ends of the long connecting rods are respectively hinged to long guide rods. Anti - detachment pads slidably connected to the extraction plate are fixedly connected to the outer - side end surfaces of the two long guide rods. Springs cooperating with the anti - detachment pads are respectively sleeved on the outer surfaces of the long guide rods. Wedge - shaped blocks are fixedly connected to the outer - side end surfaces of the two anti - detachment pads. Card slots cooperating with the round wedge - shaped blocks are respectively formed in the inner walls at the left and right ends of the push - pull groove.

[0009] A sealing plate is fixedly connected to the front - end surface of the extraction plate, and a sealing gasket is fixedly connected to the outer periphery of the rear - end surface of the sealing plate.

[0010] The present utility model has the following advantages compared with the prior art:

[0011] When water reaches the inner wall of the heat - conducting pipe, that is, after entering the inner wall of the treatment tank, since flue gas is passed through the treatment tank, after the flue gas contacts the heat - conducting pipe, the heat in the flue gas will be transferred to the water in the heat - conducting pipe. Through the provided heat - absorbing fins, the heat in the flue gas can be further absorbed, thereby improving the conversion efficiency; by transferring the heat in the flue gas to the circulating water, after the circulating water flows out of the treatment tank, it has a certain amount of heat, which can be used to provide hot water or floor heating for users; through the provided filter plate, the flue gas in the treatment tank can be filtered to prevent impurities in the flue gas from flowing into the interior of the treatment tank, extending the service life; the filter plate can be disassembled and can be replaced regularly. Description of the Drawings

[0012] Figure 1 Isometric view I of a device for recycling waste flue - gas waste heat from an urban domestic waste incinerator according to the present utility model.

[0013] Figure 2 Isometric view II of a device for recycling waste flue - gas waste heat from an urban domestic waste incinerator according to the present utility model.

[0014] Figure 3 Cross - sectional view of the treatment tank of a device for recycling waste flue - gas waste heat from an urban domestic waste incinerator according to the present utility model.

[0015] Figure 4 Installation schematic diagram of the heat - conducting pipe of a device for recycling waste flue - gas waste heat from an urban domestic waste incinerator according to the present utility model.

[0016] Figure 5 Installation schematic diagram of the filter plate of a device for recycling waste flue - gas waste heat from an urban domestic waste incinerator according to the present utility model.

[0017] Figure 6 Cross - sectional view of the extraction plate of a device for recycling waste flue - gas waste heat from an urban domestic waste incinerator according to the present utility model.

[0018] Figure 7 Schematic diagram of the installation of the wedge-shaped clamping block of a waste flue gas waste heat recycling and utilization device using an urban domestic waste incinerator for the present utility model.

[0019] Reference numerals in the figure: 1 - base, 2 - treatment tank, 3 - smoke expansion port, 4 - smoke inlet pipe, 5 - smoke outlet pipe, 6 - water inlet, 7 - water outlet, 8 - heat conduction pipe, 9 - heat absorption fin, 10 - sealing plate, 11 - sealing gasket, 12 - filter plate, 13 - extraction plate, 14 - support groove, 15 - handle, 16 - disc, 17 - long connecting rod, 18 - long guide rod, 19 - spring, 20 - wedge-shaped clamping block, 21 - anti-detachment pad, 22 - clamping groove, 23 - push-pull groove. Specific implementation manners

[0020] The following are specific embodiments of the present utility model, and the technical solutions of the present utility model will be further described in conjunction with the accompanying drawings. However, the present utility model is not limited to these embodiments.

[0021] As Figure 1-7 shown, the present utility model provides a waste flue gas waste heat recycling and utilization device using an urban domestic waste incinerator, including a base 1. A treatment tank 2 is provided at the upper end of the base 1. A smoke inlet pipe 4 and a smoke outlet pipe 5 are respectively provided at the upper and lower ends of the treatment tank 2. A heat converter is provided inside the treatment tank 2. The heat converter includes a heat conduction pipe 8. A plurality of heat absorption fins 9 are provided on the outer surface of the heat conduction pipe 8. A water inlet 6 and a water outlet 7 are respectively provided at both ends of the heat conduction pipe 8. A detachable filter plate 12 is further provided on the inner wall of the upper end of the treatment tank 2.

[0022] As Figure 1-5As shown, the processing box 2 is fixedly connected to the inner wall of the base 1, and the base 1 is used to support the processing box 2 and other parts, that is, to support the entire device. Support legs are fixedly connected to each end corner of the lower end surface of the base 1, and the support legs are used to support the base 1; through the provided smoke inlet pipe 4 and smoke outlet pipe 5, the smoke can enter from the upper end of the processing box 2 and flow out from the lower end of the processing box 2; the heat conducting pipe 8 and the smoke outlet pipe 5 are respectively fixedly connected to the inner wall of the processing box 2, and the heat conducting pipe 8 and the smoke outlet pipe 5 are placed to move; through the provided heat conducting pipe 8, water inlet 6 and water outlet 7, water can flow from the water inlet 6 into the heat conducting pipe 8 and then flow out from the water outlet 7 for a cycle. When the water reaches the inner wall of the heat conducting pipe 8, that is, it enters After entering the inner wall of the treatment box 2, since there is flue gas in the treatment box 2, the flue gas will transfer the heat in the flue gas to the water in the heat pipe 8 after contacting with the heat conducting pipe 8. The heat in the flue gas can be further absorbed by the arranged heat absorbing sheet 9, thereby improving the conversion efficiency; by transferring the heat in the flue gas to the circulating water, the circulating water has a certain amount of heat after flowing out of the treatment box 2, providing hot water or floor heating for users; the arranged filter plate 12 can filter the flue gas in the treatment box 2 to prevent impurities in the flue gas from flowing into the interior of the treatment box 2, thereby extending the service life; the filter plate 12 can be disassembled and replaced regularly.

[0023] The upper end surface of the processing box 2 is fixedly connected with a smoke expansion port 3 , and the smoke inlet pipe 4 is fixedly connected to the upper end surface of the smoke expansion port 3 .

[0024] like Figure 1-3 As shown, the smoke expansion port 3 is provided to prevent smoke from concentrating at a certain place, so that smoke can be diffused over a large area through the filter plate 12, thereby improving the filtering efficiency of the filter plate 12 for smoke.

[0025] A push-pull groove 23 is provided at the upper end of the processing box 2, and a draw plate 13 is slidably connected to the inner wall of the push-pull groove 23. A locking device for fixing the draw plate 13 is provided on the inner wall of the front end of the draw plate 13. A bracket 14 is provided on the upper end surface of the draw plate 13, and the filter plate 12 is placed on the inner wall of the bracket 14.

[0026] like Figure 5-7 As shown, the draw plate 13 can be slidably connected to the inner wall of the push-pull groove 23 and can be separated from the push-pull groove 23; the position of the draw plate 13 can be fixed by the provided locking device, so that the draw plate 13 can be stably fixed in the processing box 2 for use; the installation and shape of the filter plate 12, the bracket 14, and the draw plate 13 are as shown in FIG. Figure 5 As shown, the bracket 14 is slightly larger than the filter plate 12 and can support the filter plate 12. The filter plate 12 is provided with air holes, and activated carbon is filled in the air holes. The activated carbon can absorb harmful gases in the flue gas and filter impurities. Activated carbon is a prior art and will not be described in detail.

[0027] The locking device includes a rotatable handle 15. A disc 16 is coaxially and fixedly connected to the rear end of the handle 15. Two centrally symmetric long connecting rods 17 are hinged to the non-central part of the rear surface of the disc 16. The other ends of the long connecting rods 17 are respectively hinged to long guide rods 18. Anti-disengagement pads 21 slidably connected to the draw plate 13 are fixedly connected to the outer side end faces of the two long guide rods 18. Springs 19 cooperating with the anti-disengagement pads 21 are respectively sleeved on the outer surfaces of the long guide rods 18. Wedge-shaped blocks 20 are fixedly connected to the outer side end faces of the two anti-disengagement pads 21. Card slots 22 cooperating with the wedge-shaped blocks 20 are respectively formed in the inner walls at the left and right ends of the push-pull groove 23.

[0028] As Figure 6-7 shown, an installation groove is formed in the inner wall at the front end of the draw plate 13, providing an installation space for the locking device, namely the disc 16, the long connecting rods 17, the long guide rods 18, the draw plate 13, the anti-disengagement pads 21, the wedge-shaped blocks 20, the springs 19, etc. A rotating shaft is fixedly connected to the inner walls at the centers of the handle 15 and the disc 16. The rotating shaft is rotatably connected to the inner wall of the draw plate 13, restricting the handle 15 and the disc 16 to only rotate. The long guide rods 18, the anti-disengagement pads 21, the wedge-shaped blocks 20, etc. are slidably connected to the inner wall of the installation groove in the left-right direction. One end of the spring 19 is fixedly connected to the inner wall of the installation groove, and the other end is fixedly connected to the corresponding anti-disengagement pad 21. The spring 19 always has an outward thrust on the anti-disengagement pad 21, so that the wedge-shaped block 20 is in the outermost end state under normal conditions. The installation and shape of the wedge-shaped block 20 and the card slot 22 are as Figure 7As shown, one end face of the wedge-shaped block 20 is an inclined surface and the other end face is a flat surface. When the wedge-shaped block 20 engages with the card slot 22, that is, when the flat surface of the wedge-shaped block 20 contacts the flat surface of the card slot 22, it can prevent the wedge-shaped block 20 and the extraction plate 13 from moving forward; that is, at this time, the rear end of the extraction plate 13 contacts the inner wall of the rear end of the processing box 2 to fix the extraction plate 13. When it is necessary to disassemble the extraction plate 13 to replace the filter plate 12, by rotating the driving handle 15, the disc 16 can be rotated, the inner ends of the corresponding two long connecting rods 17 rotate circumferentially, and the outer ends of the long connecting rods 17 will drive the corresponding two long guide rods 18, anti-detachment pads 21, and wedge-shaped blocks 20 to move inward. When the anti-detachment pad 21 moves inward, the spring 19 will be compressed. After the wedge-shaped block 20 moves inward and disengages from the card slot 22, the extraction plate 13 can be pulled out forward to the outside of the processing box 2 at this time, and the filter plate 12 can be replaced; after replacing the new filter plate 12, by driving the extraction plate 13 to move backward, when the extraction plate 13 moves backward, it will drive the filter plate 12 and the locking device, that is, the wedge-shaped block 20, to move backward. When the wedge-shaped block 20 moves backward and contacts the front end surface of the processing box 2, that is, contacts the front port edge of the push-pull slot 23, at this time, the wedge-shaped block 20 can move inward under the action of the inclined surface and compress the spring 19. When the extraction plate 13 and the wedge-shaped block 20 continue to move backward and meet the card slot 22, the wedge-shaped block 20 will move outward under the elastic force of the spring 19 and engage with the inner wall of the card slot 22 again, thereby preventing the extraction plate 13 from moving forward and fixing the extraction plate 13 in the processing box 2. By setting the wedge-shaped block 20, the extraction plate 13 can slide backward unidirectionally, accelerating the installation rate; the hinge joints of the two long connecting rods 17 and the disc 16 are not installed collinearly with the long connecting rods 17 and the long guide rods 18, which can prevent the situation that the disc 16 is stuck and cannot rotate when the wedge-shaped block 20 moves inward.

[0029] A sealing plate 10 is fixedly connected to the front end surface of the extraction plate 13, and a sealing gasket 11 is fixedly connected to the outer periphery of the rear end surface of the sealing plate 10.

[0030] As Figure 5 shown, the handle 15 is rotatably connected to the front end of the sealing plate 10. By setting the sealing plate 10 and the sealing gasket 11, when the extraction plate 13 completely enters the processing box 2, that is, the inner wall of the push-pull slot 23, the push-pull slot 23 can be sealed, thereby preventing flue gas from leaking.

[0031] When the present utility model is in use, when water reaches the inner wall of the heat conduction pipe 8 and then enters the inner wall of the treatment box 2, since flue gas is introduced into the treatment box 2, after the flue gas contacts the heat conduction pipe 8, the heat in the flue gas will be transferred to the water in the heat conduction pipe 8. Through the provided heat absorption fins 9, the heat in the flue gas can be further absorbed, thereby improving the conversion efficiency; by transferring the heat in the flue gas to the circulating water, after the circulating water flows out of the treatment box 2, it has a certain amount of heat, which can be used to provide hot water or floor heating for users; through the provided filter plate 12, the flue gas in the treatment box 2 can be filtered to prevent impurities in the flue gas from flowing into the interior of the treatment box 2, prolonging the service life; the filter plate 12 can be disassembled and replaced regularly.

[0032] The specific embodiments described herein are merely illustrative of the spirit of the present utility model. Those skilled in the art to which the present utility model pertains can make various modifications or supplements to the described specific embodiments or use similar methods to replace them, but will not deviate from the spirit of the present utility model or exceed the scope defined by the appended claims.

Claims

1. A device for recycling waste heat from flue gas from a municipal solid waste incinerator, comprising a base (1), characterized in that: A processing box (2) is provided at the upper end of the base (1), and a smoke inlet pipe (4) and a smoke outlet pipe (5) are provided at the upper and lower ends of the processing box (2), respectively. A heat converter is provided inside the processing box (2), and the heat converter comprises a heat conducting pipe (8), and a plurality of heat absorbing sheets (9) are provided on the outer surface of the heat conducting pipe (8), and a water inlet (6) and a water outlet (7) are provided at the two ends of the heat conducting pipe (8), respectively. A detachable filter plate (12) is also provided on the inner wall of the upper end of the processing box (2).

2. The device for recycling waste heat from waste flue gas from a municipal solid waste incinerator as claimed in claim 1, characterized in that: The upper surface of the processing box (2) is fixedly connected with a smoke expansion port (3), and the smoke inlet pipe (4) is fixedly connected to the upper surface of the smoke expansion port (3).

3. The device for recycling waste heat from waste flue gas from a municipal solid waste incinerator as claimed in claim 1, characterized in that: The processing box (2) has a push-pull groove (23) at the upper end, a draw plate (13) is slidably connected to the inner wall of the push-pull groove (23), a locking device for fixing the draw plate (13) is provided on the inner wall of the front end of the draw plate (13), a bracket (14) is provided on the upper end surface of the draw plate (13), and the filter plate (12) is placed on the inner wall of the bracket (14).

4. The device for recycling waste heat from waste flue gas from a municipal solid waste incinerator as claimed in claim 3, characterized in that: The locking device comprises a rotatable handle (15), a disc (16) coaxially fixedly connected to the rear end of the handle (15), two centrosymmetrical long connecting rods (17) hingedly connected at a non-center portion of the rear end surface of the disc (16), long guide rods (18) hingedly connected to the other ends of the long connecting rods (17), anti-slip pads (21) slidably connected to the draw plate (13) are respectively fixedly connected to the outer end surfaces of the two long guide rods (18), springs (19) matching the anti-slip pads (21) are also respectively sleeved on the outer surfaces of the long guide rods (18), wedge-shaped clamping blocks (20) are respectively fixedly connected to the outer end surfaces of the two anti-slipping pads (21), and clamping grooves (22) matching the circular wedge-shaped clamping blocks (20) are respectively opened on the inner walls of the left and right ends of the push-pull groove (23).

5. The device for recycling waste heat from flue gas from a municipal solid waste incinerator as claimed in claim 3, characterized in that: The front end surface of the draw plate (13) is fixedly connected to a sealing plate (10), and the outer periphery of the rear end surface of the sealing plate (10) is fixedly connected to a sealing gasket (11).

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