CN219399609U - Desulfurizing device capable of recovering waste heat - Google Patents

Abstract

The utility model relates to the technical field of desulfurization devices, and discloses a desulfurization device capable of recycling waste heat, which effectively solves the problems that a circulating water pipe of the existing desulfurization device is high in heat loss due to lack of protection, and dust is easy to adsorb on the inner wall of a smoke inlet pipe after long-time use, so that heat conduction between the smoke inlet pipe and the circulating water pipe is seriously influenced, and the heat recycling efficiency is reduced; the desulfurization tower comprises a desulfurization tower body, a smoke inlet pipe and a circulating water pipe, wherein the smoke inlet pipe is arranged at the left side of the desulfurization tower body, a cavity is formed in the smoke inlet pipe, the circulating water pipe is arranged on the inner wall of the cavity, heat-insulating cotton is filled in the cavity, and an air heat-insulating layer is arranged between the heat-insulating cotton and the inner wall of the cavity; the heat insulation layer and the heat insulation cotton are matched to achieve the effect of composite heat insulation, so that the heat loss of the circulating water pipe is reduced, meanwhile, the heat conduction efficiency between the smoke inlet pipe and the circulating water pipe is improved by the cleaning component, and the heat recovery efficiency is improved.

Description

Desulfurizing device capable of recovering waste heat

Technical Field

The utility model relates to the technical field of desulfurization devices, in particular to a desulfurization device capable of recycling waste heat.

Background

The flue gas generated after coal combustion cannot be directly discharged into the air and must be subjected to desulfurization treatment, and because the flue gas contains relatively high heat, a circulating water pipe is generally coiled on a flue gas inlet pipe of a desulfurization device and is used for recovering the waste heat of the flue gas.

The circulating water pipe of the existing desulfurization device is generally arranged outside the smoke inlet pipe, the loss of heat is high due to the lack of protection, and the discharged smoke generally carries dust, so that the dust is easily adsorbed on the inner wall of the smoke inlet pipe after long-time use, the heat conduction between the smoke inlet pipe and the circulating water pipe can be seriously influenced, and the heat recovery efficiency is reduced.

Disclosure of Invention

In order to overcome the technical defects in the prior art, the utility model provides the desulfurizing device capable of recovering waste heat, which effectively solves the problems that the circulating water pipe of the existing desulfurizing device is high in heat loss due to lack of protection, and dust is easy to adsorb on the inner wall of the smoke inlet pipe after long-time use, so that heat conduction between the smoke inlet pipe and the circulating water pipe is seriously affected, and the heat recovery efficiency is reduced.

The technical scheme adopted by the utility model is as follows: the utility model provides a desulfurizing device of recoverable waste heat, includes the desulfurizing tower body, advances tobacco pipe and circulating water pipe, advance the left side of tobacco pipe installation at the desulfurizing tower body, advance the inside of tobacco pipe and seted up the cavity, circulating water pipe installs the inner wall at the cavity, the cavity intussuseption is filled with heat preservation cotton, be provided with the air insulating layer between the inner wall of heat preservation cotton and cavity, the top fixedly connected with of desulfurizing tower body is discharged the tobacco pipe, the left side top fixedly connected with mounting panel of desulfurizing tower body, the left side fixedly connected with fixed plate of mounting panel, the top of fixed plate is provided with the motor through sliding component, the output fixedly connected with pivot of motor, the bottom of pivot runs through the fixed plate in proper order and advances the interior roof and fixedly connected with clearance subassembly of tobacco pipe, the external screw thread has been seted up to the top surface of pivot, pivot and fixed plate threaded connection.

Preferably, the upper surface fixedly connected with drawing liquid pump of desulfurizing tower body, the input intercommunication of drawing liquid pump has the drawing liquid pipe, the other end of drawing liquid pipe is linked together with the interior bottom of desulfurizing tower body, the output intercommunication of drawing liquid pump has the drain pipe, the other end of drain pipe is located the inside of desulfurizing tower body and installs a plurality of shower heads.

Preferably, the inner wall fixedly connected with a plurality of heat conduction bulges of advance the tobacco pipe, the heat conduction bulge is copper or aluminum product, advance the bottom threaded connection of tobacco pipe and have the collection box.

Preferably, the sliding assembly comprises a movable plate and a sliding block, the sliding block is fixedly connected to the right side of the movable plate, a sliding groove matched with the sliding block is formed in the left side of the mounting plate, and the motor is fixedly connected to the upper surface of the movable plate.

Preferably, the smoke inlet pipe is provided with a through hole, and a sealing ring is arranged between the inner wall of the through hole and the rotating shaft.

Preferably, the cleaning assembly comprises a supporting rod and a cleaning brush, one end of the supporting rod is fixedly connected with the bottom end of the rotating shaft, the other end of the supporting rod is fixedly connected with the cleaning brush, and the cleaning brush is in contact with the inner wall of the smoke inlet pipe.

The beneficial effects of the utility model are as follows:

1. the heat conduction bulge is used for increasing the contact area between the inner wall of the smoke inlet pipe and high-temperature smoke, heat is better conducted to the circulating water pipe, heat preservation cotton is arranged in the cavity in the desulfurizing tower body, an air heat insulation layer is arranged between the heat preservation cotton and the inner wall of the cavity, and the heat conduction coefficient of air is very low and is matched with the heat preservation cotton to achieve the effect of composite heat preservation, so that the heat loss of the circulating water pipe is reduced.

2. The motor drives the rotating shaft to rotate, the rotating shaft can drive the supporting rod and the cleaning brush to rotate in the rotating process, the cleaning brush can clean the inner wall of the smoke inlet pipe in the rotating process, the external threads on the outer surface of the rotating shaft are in threaded connection with the fixing plate, the movable plate is in the sliding groove through the sliding block in a sliding manner, the motor, the movable plate and the cleaning brush can be driven to move downwards in the rotating process, dust adsorbed on the inner wall of the smoke inlet pipe is cleaned up and falls into the collecting box at the bottom, the heat conducting efficiency between the smoke inlet pipe and the circulating water pipe is improved, and the heat recovery efficiency is improved.

Drawings

Fig. 1 is a schematic perspective view of the present utility model.

Fig. 2 is a schematic cross-sectional elevation view of the present utility model.

Fig. 3 is an enlarged schematic view of the structure of fig. 1 a according to the present utility model.

Fig. 4 is an enlarged schematic view of the structure of fig. 2B according to the present utility model.

Reference numerals illustrate: 1. a desulfurizing tower body; 2. a smoke inlet pipe; 3. a circulating water pipe; 4. a cavity; 5. thermal insulation cotton; 6. an air insulating layer; 7. a smoke exhaust pipe; 8. a mounting plate; 9. a fixing plate; 10. a sliding assembly; 11. a motor; 12. a rotating shaft; 13. cleaning the assembly; 14. an external thread; 15. a liquid pump; 16. a liquid suction pipe; 17. a liquid outlet pipe; 18. a spray header; 19. a heat conduction protrusion; 20. a collection box; 21. a seal ring; 1001. a movable plate; 1002. a slide block; 1003. a chute; 1301. a support rod; 1302. a cleaning brush.

Detailed Description

The utility model is further described below with reference to the accompanying drawings:

as shown in fig. 1-4, this embodiment provides a desulfurizing device capable of recovering waste heat, including desulfurizing tower body 1, advance tobacco pipe 2 and circulating water pipe 3, advance tobacco pipe 2 and install in desulfurizing tower body 1's left side, advance the inside of tobacco pipe 2 and seted up cavity 4, circulating water pipe 3 installs the inner wall at cavity 4, this is prior art to outside is carried to circulating water pipe 3 absorptive heat, the cavity 4 intussuseption is filled with thermal insulation cotton 5, be provided with air insulating layer 6 between thermal insulation cotton 5 and the inner wall of cavity 4, desulfurizing tower body 1's top fixedly connected with is discharged tobacco pipe 7, desulfurizing tower body 1's left side top fixedly connected with mounting panel 8, mounting panel 8's left side fixedly connected with fixed plate 9, the top of fixed plate 9 is provided with motor 11 through sliding component 10, motor 11's output fixedly connected with pivot 12, the bottom of pivot 12 runs through fixed plate 9 in proper order and advance tobacco pipe 2's interior roof and fixedly connected with clearance subassembly 13, external screw thread 14 has been seted up to pivot 12 and fixed plate 9 screw thread connection.

For desulfurization treatment of flue gas, as shown in fig. 1 and 3: the upper surface fixedly connected with drawing liquid pump 15 of desulfurizing tower body 1, the input intercommunication of drawing liquid pump 15 has drawing liquid pipe 16, and the other end of drawing liquid pipe 16 is linked together with the interior bottom of desulfurizing tower body 1, and the output intercommunication of drawing liquid pump 15 has drain pipe 17, and the other end of drain pipe 17 is located the inside of desulfurizing tower body 1 and installs a plurality of shower heads 18, sets up drawing liquid pump 15 like this and sends the treatment fluid of desulfurizing tower body 1 inner bottom to drain pipe 17 through drawing liquid pipe 16, follow shower head 18 blowout and flue gas fully contact and carry out the desulfurization afterwards.

In order to transfer more heat of the flue gas into the smoke tube 2, as shown in fig. 2 and 4: the inner wall fixedly connected with of advancing tobacco pipe 2 is protruding 19 of a plurality of heat conduction, and the protruding 19 of heat conduction is copper or aluminum product matter, advances the bottom threaded connection of tobacco pipe 2 and has collection box 20, sets up the protruding 19 of heat conduction like this and increases the inner wall of advancing tobacco pipe 2 and the area of contact of high temperature flue gas, better with heat conduction to circulating water pipe 3 in.

In order to make the motor 11 move up and down more stable, as shown in fig. 1 and 3: the sliding assembly 10 comprises a movable plate 1001 and a sliding block 1002, the sliding block 1002 is fixedly connected to the right side of the movable plate 1001, a sliding groove 1003 matched with the sliding block 1002 is formed in the left side of the mounting plate 8, the motor 11 is fixedly connected to the upper surface of the movable plate 1001, the external threads 14 on the outer surface of the rotating shaft 12 are in threaded connection with the fixed plate 9, and meanwhile the sliding block 1002 and the sliding groove 1003 are matched to prevent the movable plate 1001 from rotating, so that the movable plate 1001 can only move up and down.

In order to improve the sealing property between the rotary shaft 12 and the smoke inlet pipe 2, as shown in fig. 2 and 4: the smoke inlet pipe 2 is provided with a through hole, a sealing ring 21 is arranged between the inner wall of the through hole and the rotating shaft 12, and thus the smoke in the smoke inlet pipe 2 cannot be discharged from the through hole.

For cleaning the inner wall of the smoke inlet pipe 2, as shown in fig. 2 and 4: the cleaning assembly 13 comprises a supporting rod 1301 and a cleaning brush 1302, one end of the supporting rod 1301 is fixedly connected with the bottom end of the rotating shaft 12, the other end of the supporting rod 1301 is fixedly connected with the cleaning brush 1302, the cleaning brush 1302 is in contact with the inner wall of the smoke inlet pipe 2, the rotating shaft 12 is arranged to drive the supporting rod 1301 and the cleaning brush 1302 to rotate in the rotating process, and the cleaning brush 1302 can clean the inner wall of the smoke inlet pipe 2 in the rotating process.

The theory of operation, in the high temperature flue gas gets into desulfurizing tower body 1 from advance tobacco pipe 2 during the use, increase the inner wall of advance tobacco pipe 2 and the area of contact of high temperature flue gas through heat conduction arch 19, better heat conduction is to circulating water pipe 3 in, through set up heat preservation cotton 5 in the inside cavity 4 of desulfurizing tower body 1, and set up air insulating layer 6 between the inner wall of heat preservation cotton 5 and cavity 4, because the coefficient of heat conductivity of air is very low, and the effect of compound heat preservation has been reached with heat preservation cotton 5 cooperation, reduce circulating water pipe 3's heat loss, open motor 11 after the long-time use and drive pivot 12 rotation, pivot 12 can drive bracing piece 1301 and cleaning brush 1302 rotatory at rotatory in-process, cleaning brush 1302 can clear up the inner wall of advance tobacco pipe 2 because the external screw thread 14 and the fixed plate 9 threaded connection of pivot 12 surface, and movable plate 1001 pass through slider 1002 sliding connection in the spout 1003, this moment pivot 12 can drive motor 11 at the in-process of rotation, movable plate 1001 and cleaning brush 1302 move down, thereby with adsorbing the dust removal box clean and fall into the bottom 20 at the inner wall of advance and the bottom of the suction pipe 2, the collection efficiency of the suction pipe 3 is improved, the flue gas recovery efficiency is improved from the bottom of the flue pipe 17, the flue gas is processed in-gas pump 17, the bottom is processed from the flue gas is processed to the bottom of the pipe 17, the flue gas is recovered from the circulating pipe 1. While the basic principles and main features of the utility model and advantages of the utility model have been shown and described, it will be understood by those skilled in the art that the present utility model is not limited by the foregoing embodiments, which are described in the foregoing description merely illustrate the principles of the utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model as defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a but desulfurization device of recovery waste heat, includes desulfurizing tower body (1), advances tobacco pipe (2) and circulating water pipe (3), its characterized in that, advance the left side at desulfurizing tower body (1) of tobacco pipe (2) installation, cavity (4) have been seted up to the inside of advancing tobacco pipe (2), circulating water pipe (3) install the inner wall at cavity (4), the intussuseption of cavity (4) is filled with insulating cotton (5), be provided with air insulating layer (6) between the inner wall of insulating cotton (5) and cavity (4), the top fixedly connected with of desulfurizing tower body (1) is discharged fume pipe (7), the left side top fixedly connected with mounting panel (8) of desulfurizing tower body (1), the left side fixedly connected with fixed plate (9) of mounting panel (8), the top of fixed plate (9) is provided with motor (11) through sliding component (10), the output fixedly connected with pivot (12) of motor (11), the bottom of pivot (12) runs through fixed plate (9) in proper order and advances tobacco pipe (2) inner wall fixedly connected with top wall (12), top screw thread (12) and screw thread (14) are seted up.

2. The desulfurization device capable of recycling waste heat according to claim 1, wherein a liquid pump (15) is fixedly connected to the upper surface of the desulfurization tower body (1), an input end of the liquid pump (15) is communicated with a liquid pumping pipe (16), the other end of the liquid pumping pipe (16) is communicated with the inner bottom of the desulfurization tower body (1), an output end of the liquid pump (15) is communicated with a liquid outlet pipe (17), and the other end of the liquid outlet pipe (17) is positioned in the desulfurization tower body (1) and is provided with a plurality of spray heads (18).

3. The desulfurization device capable of recycling waste heat according to claim 1, wherein the inner wall of the smoke inlet pipe (2) is fixedly connected with a plurality of heat conduction protrusions (19), the heat conduction protrusions (19) are made of copper or aluminum, and the bottom of the smoke inlet pipe (2) is connected with a collecting box (20) through threads.

4. The desulfurization device capable of recycling waste heat according to claim 1, wherein the sliding assembly (10) comprises a movable plate (1001) and a sliding block (1002), the sliding block (1002) is fixedly connected to the right side of the movable plate (1001), a sliding groove (1003) matched with the sliding block (1002) is formed in the left side of the mounting plate (8), and the motor (11) is fixedly connected to the upper surface of the movable plate (1001).

5. The desulfurization device capable of recycling waste heat according to claim 1, wherein the smoke inlet pipe (2) is provided with a through hole, and a sealing ring (21) is arranged between the inner wall of the through hole and the rotating shaft (12).

6. The desulfurization device capable of recycling waste heat according to claim 1, wherein the cleaning assembly (13) comprises a supporting rod (1301) and a cleaning brush (1302), one end of the supporting rod (1301) is fixedly connected with the bottom end of the rotating shaft (12), the other end of the supporting rod (1301) is fixedly connected with the cleaning brush (1302), and the cleaning brush (1302) is in contact with the inner wall of the smoke inlet pipe (2).