CN216591778U

CN216591778U - Waste heat utilization device for energy conservation of power plant

Info

Publication number: CN216591778U
Application number: CN202123289270.3U
Authority: CN
Inventors: 刘海燕
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-24
Filing date: 2021-12-24
Publication date: 2022-05-24
Anticipated expiration: 2031-12-24

Abstract

The utility model relates to the technical field of waste heat utilization devices of power plants, in particular to a waste heat utilization device for energy conservation of a power plant, which comprises a smoke exhaust pipe, wherein the surface of the smoke exhaust pipe is provided with a dust collecting box, and the interior of the smoke exhaust pipe is sequentially provided with a filter plate, a driving section, a heat exchange structure and a filter piece from front to back; through setting up drive section and heat transfer structure, can be under the combined action of drive section and heat transfer structure, can clean the surface of heat transfer pipe at the in-process that uses the device, can carry out the water conservancy diversion to tail gas through the baffle, thereby can drive the wind wheel rotatory, and then it is rotatory to drive the connecting rod under the effect of auxiliary structure, thereby it rotates to drive two connecting blocks, make the brush hair constantly clean the surface of heat transfer pipe, the condition that the adhesion of tail gas and heat transfer pipe contact in-process smoke and dust influences follow-up heat exchange efficiency has been reduced, the dust that the brush falls can drop to the inside storage of dust collection box through leading to the groove, the unified clearance of staff of being convenient for.

Description

Waste heat utilization device for energy conservation of power plant

Technical Field

The utility model relates to a waste heat utilization equipment technical field of power plant, it is very much related to a waste heat utilization equipment for power plant is energy-conserving.

Background

Thermal power plant is the mill that utilizes the combustible substance as fuel production electric energy, is one in the power plant, and current thermal power plant exhaust emission in-process has a large amount of heats, adopts the mode of heat exchange tube to collect the heat in the tail gas usually to cooperate the waste heat utilization device to use, in order to reach energy-conserving effect.

But at present carrying out the in-process that the waste heat was collected and was utilized to thermal power plant's tail gas, because carry a large amount of smoke and dust in the tail gas, the heat exchange tube surface adhesion has the smoke and dust after using for a long time, leads to heat exchange efficiency of heat exchange tube and tail gas to descend, has influenced the collection to the waste heat, has wasted the resource, can not be fine satisfies current demand.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an energy-conserving waste heat utilization equipment for power plant in order to solve above-mentioned problem, improve the problem that the smoke and dust adhesion leads to influencing heat exchange tube heat exchange efficiency in the current tail gas.

The utility model discloses a following technical scheme realizes above-mentioned purpose, a waste heat utilization equipment for power plant's energy-conservation, including the pipe of discharging fume, the surface of the pipe of discharging fume is provided with the dust-collecting box, the inside of the pipe of discharging fume has set gradually filter, drive section, heat transfer structure and filtering piece from the front to the back, the fixed surface of the pipe of discharging fume is connected with the installation piece, the bottom of installation piece is provided with the detachable dust-collecting box, the surface of installation piece is seted up the quantity and is two and the through-hole that is linked together with the pipe of discharging fume, the inner wall of through-hole is fixedly connected with the baffle, the inside of filtering piece is filled with the active carbon filter material; the drive section includes baffle and auxiliary structure, baffle fixed connection just is located between filter and the heat transfer structure in the inner wall of tub of discharging fume, the auxiliary structure sets up in the inner wall of tub of discharging fume and is located between baffle and the heat transfer structure.

Preferably, the auxiliary structure includes the seal box, the top of seal box and the inner wall fixed connection who discharges fume the pipe, the inside of seal box is provided with the pivot, the both ends of pivot all run through the seal box and with the inner wall rotation of discharging fume the pipe and be connected.

Preferably, the fixed surface of pivot is connected with the first cone pulley that is located the seal box inside, the surface meshing of first cone pulley is connected with the second cone pulley, the fixed surface of pivot is connected with the wind wheel of quantity for two, two the wind wheel is located the both sides of seal box respectively.

Preferably, the heat exchange structure comprises a mounting box, the mounting box is fixedly connected to the inner wall of the smoke exhaust pipe, the surface of the mounting box is provided with uniformly distributed ventilation holes, and the bottom of the mounting box is provided with a through groove communicated with the through hole.

Preferably, the inner wall of mounting box is provided with the heat exchange tube, the heat exchange tube is the serpentine distribution, the both ends of heat exchange tube all run through the mounting box in proper order and discharge fume the pipe and extend to the outside of discharging fume the pipe.

Preferably, the inner wall of mounting box rotates and is connected with the connecting rod, the other end of connecting rod run through mounting box and seal box in proper order and with one side fixed connection of second cone pulley, the fixed surface of connecting rod is connected with the connecting block that quantity is two.

Preferably, the two connecting blocks are symmetrical by taking the heat exchange tube as a center, the opposite sides of the two connecting blocks are fixedly connected with bristles which are uniformly distributed, and the bristles are in contact with the heat exchange tube.

The utility model has the advantages that:

1. through setting up drive section and heat transfer structure, can be under the combined action of drive section and heat transfer structure, can clean the surface of heat transfer pipe at the in-process that uses the device, can carry out the water conservancy diversion to tail gas through the baffle, thereby can drive the wind wheel rotatory, and then it is rotatory to drive the connecting rod under the effect of auxiliary structure, thereby it rotates to drive two connecting blocks, make the brush hair constantly clean the surface of heat transfer pipe, the condition that the adhesion of tail gas and heat transfer pipe contact in-process smoke and dust influences follow-up heat exchange efficiency has been reduced, the dust that the brush falls can drop to the inside storage of dust collection box through leading to the groove, the unified clearance of staff of being convenient for.

2. Through setting up the filter and filtering the piece, can filter most smoke and dust in the tail gas under the effect of filter, reduced the inside condition of smoke and dust entering mounting box, reduced the clean degree of difficulty of brush hair, can reach the effect of filtering the smoke and dust simultaneously, reduced the emission of smoke and dust, through setting up filter piece and inside active carbon filter material, can adsorb the harmful substance in the tail gas, the subsequent emission of being convenient for.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a sectional perspective view of the present invention;

FIG. 3 is a schematic view of the connection between the auxiliary structure and the heat exchange structure of the present invention;

fig. 4 is a cross-sectional view of the filter of the present invention.

In the figure: 1. a smoke exhaust pipe; 2. a dust collecting box; 3. a drive section; 4. a heat exchange structure; 5. a filter plate; 6. a filter member; 201. mounting blocks; 202. a baffle plate; 301. an auxiliary structure; 302. a guide plate; 3011. a rotating shaft; 3012. a sealing box; 3013. a first cone pulley; 3014. a second cone; 3015. a wind wheel; 401. mounting a box; 402. a vent hole; 403. a connecting rod; 404. connecting blocks; 405. brushing; 406. a heat exchange pipe; 407. a through groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the specific implementation: as shown in fig. 1-4, a waste heat utilization device for energy saving of a power plant comprises a smoke exhaust pipe 1, wherein a dust collection box 2 is arranged on the surface of the smoke exhaust pipe 1, a filter plate 5, a driving section 3, a heat exchange structure 4 and a filter member 6 are sequentially arranged in the smoke exhaust pipe 1 from front to back, a mounting block 201 is fixedly connected to the surface of the smoke exhaust pipe 1, the detachable dust collection box 2 is arranged at the bottom of the mounting block 201, two through holes which are communicated with the smoke exhaust pipe 1 are formed in the surface of the mounting block 201, a baffle plate 202 is fixedly connected to the inner wall of each through hole, and an activated carbon filter material is filled in the filter member 6; the driving section 3 comprises a guide plate 302 and an auxiliary structure 301, the guide plate 302 is fixedly connected to the inner wall of the smoke exhaust pipe 1 and is positioned between the filter plate 5 and the heat exchange structure 4, the auxiliary structure 301 is arranged on the inner wall of the smoke exhaust pipe 1 and is positioned between the guide plate 302 and the heat exchange structure 4, tail gas is usually discharged through the smoke exhaust pipe 1 in a drainage mode of a fan, the fan is a mature technology in the application of the prior art and is not drawn in the figure, and is not described too much, the tail gas after drainage can be led into the driving section 3 through the filter plate 5, smoke dust in the tail gas can be reduced under the action of the filter plate 5 in the process, the smoke dust is intercepted by the filter plate 5 and falls into the dust collection box 2 through the through holes and the baffle plate 202 under the self gravity, the cleaning of workers is convenient, meanwhile, the tail gas after passing through the filter plate 5 can be guided under the action of the guide plate 302, the filter piece 6 can be arranged under the action of an activated carbon filter material filled in the filter piece, and adsorbing harmful substances in the tail gas passing through the heat exchange structure 4.

As shown in fig. 1, fig. 2 and fig. 3, the auxiliary structure 301 includes a sealing box 3012, the top of the sealing box 3012 is fixedly connected to the inner wall of the smoke exhaust pipe 1, a rotating shaft 3011 is disposed inside the sealing box 3012, both ends of the rotating shaft 3011 penetrate through the sealing box 3012 and are rotatably connected to the inner wall of the smoke exhaust pipe 1, a first cone 3013 located inside the sealing box 3012 is fixedly connected to the surface of the rotating shaft 3011, a second cone 3014 is connected to the surface of the first cone 3013 in a meshing manner, two wind wheels 3015 are fixedly connected to the surface of the rotating shaft 3011, the two wind wheels 3015 are respectively located at both sides of the sealing box 3012, the sealing box 3012 is disposed to reduce influence of a part of smaller smoke on the use of the first cone 3013 and the second cone 3014, so as to effectively improve the service life of the device, and at the same time, the wind stream guided through the guide plate 302 can drive the wind wheels 3015 to rotate, and further drive the rotating shaft 3011 to rotate under the rotating action of the rotating shaft 3011, the second bevel wheel 3014 engaged with the first bevel wheel 3013 is rotated.

As shown in fig. 1, 2 and 3, the heat exchange structure 4 includes a mounting box 401, the mounting box 401 is fixedly connected to the inner wall of the smoke exhaust pipe 1, the surface of the mounting box 401 is provided with uniformly distributed ventilation holes 402, the bottom of the mounting box 401 is provided with a through groove 407 communicated with the through hole, the ventilation holes 402 are arranged to enable tail gas to enter the inside of the mounting box 401 through the ventilation holes 402, the inner wall of the mounting box 401 is provided with heat exchange tubes 406, the heat exchange tubes 406 are distributed in a serpentine shape, both ends of the heat exchange tubes 406 sequentially penetrate through the mounting box 401 and the smoke exhaust pipe 1 and extend to the outside of the smoke exhaust pipe 1, the heat exchange tubes 406 distributed in the serpentine shape can increase the contact area between the heat exchange tubes 406 and the tail gas, so as to increase the heat exchange efficiency of the heat exchange tubes 406, the inner wall of the mounting box 401 is rotatably connected with a connecting rod 403, the other end of the connecting rod 403 sequentially penetrates through the mounting box 401 and the sealing box 3012 and is fixedly connected to one side of the second cone 3014, the surface of the connecting rod 403 is fixedly connected with two connecting blocks 404, the connecting rod 403 can be driven to synchronously rotate by the rotation of the second cone 3014, and then the two connecting blocks 404 are driven to synchronously rotate, the two connecting blocks 404 are symmetrical by taking the heat exchange tube 406 as a center, the brush bristles 405 which are uniformly distributed are fixedly connected to the opposite sides of the two connecting blocks 404, the brush bristles 405 are in contact with the heat exchange tube 406, in the rotating process of the two connecting blocks 404, the brush bristles 405 can be driven to clean the surface of the heat exchange tube 406, so that the condition that the surface of the heat exchange tube 406 is adhered with dust after the heat exchange tube 406 is used for a long time and the heat exchange efficiency is reduced, the brush bristles 405 are driven to clean the surface of the heat exchange tube 406 by the rotation of the connecting blocks 404, the condition that the dust is adhered to the surface of the heat exchange tube 406 is effectively reduced, the surface of the heat exchange tube 406 is kept clean, the heat exchange performance is kept good, and the brushed smoke can fall to the through groove 407, and the dust falls into the dust collection box 2 through the baffle 202 for storage, so that the dust collection box is convenient for workers to clean uniformly.

When the utility model is used, the tail gas of the thermal power plant is guided to the inside of the smoke exhaust pipe 1 through the fan, the smoke gas flows along the smoke exhaust pipe 1 in the form of air flow, when the smoke gas passes through the filter plate 5 in the process, most smoke dust in the smoke gas can be intercepted under the action of the filter plate 5, the intercepted smoke dust can pass through the through hole under the self gravity and be guided into the dust collection box 2 through the baffle 202 for storage, the tail gas passing through the filter plate 5 can be guided under the action of the guide plate 302, and then the wind wheel 3015 is driven to rotate, so that the rotating shaft 3011 can be driven to rotate under the action of the wind wheel 3015, and the first cone 3013 is driven to rotate with the second cone 3014 meshed with the first cone, so as to drive the connecting rod 403 to rotate through the second cone 3014, at the moment, the tail gas can enter the inside of the installation box 401 through the vent 402, and is contacted with the heat exchange tube 406 for waste heat collection, can drive two connecting rods 403 constantly to rotate at the rotatory in-process of connecting rod 403, thereby it cleans heat exchange tube 406's surface to drive brush hair 405, reduce the condition of tail gas and heat exchange tube 406 contact in-process part smoke and dust adhesion on heat exchange tube 406 surface, the dust that brushes the in-process of brush hair 405 pivoted can drop to the through-hole through leading to groove 407, and pass baffle 202 and store in getting into dust collection box 2, the unified clearance of staff of being convenient for, last tail gas passes and filters piece 6, can adsorb the inside harmful substance of tail gas under the effect of filtering the 6 inside active carbon filter materials of piece, be convenient for subsequent emission.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a waste heat utilization equipment for power plant is energy-conserving, includes smoke exhaust pipe (1), its characterized in that: the smoke exhaust pipe is characterized in that a dust collecting box (2) is arranged on the surface of the smoke exhaust pipe (1), a filter plate (5), a driving section (3), a heat exchange structure (4) and a filter member (6) are sequentially arranged in the smoke exhaust pipe (1) from front to back, an installation block (201) is fixedly connected to the surface of the smoke exhaust pipe (1), the bottom of the installation block (201) is provided with the detachable dust collecting box (2), the surface of the installation block (201) is provided with two through holes which are communicated with the smoke exhaust pipe (1), the inner wall of each through hole is fixedly connected with a baffle (202), and an activated carbon filter material is filled in the filter member (6);

the driving section (3) comprises a guide plate (302) and an auxiliary structure (301), the guide plate (302) is fixedly connected to the inner wall of the smoke exhaust pipe (1) and located between the filter plate (5) and the heat exchange structure (4), and the auxiliary structure (301) is arranged on the inner wall of the smoke exhaust pipe (1) and located between the guide plate (302) and the heat exchange structure (4).

2. The waste heat utilization device for power plant energy saving of claim 1, characterized in that: the auxiliary structure (301) comprises a sealing box (3012), the top of the sealing box (3012) is fixedly connected with the inner wall of the smoke exhaust pipe (1), a rotating shaft (3011) is arranged inside the sealing box (3012), and the two ends of the rotating shaft (3011) penetrate through the sealing box (3012) and are rotatably connected with the inner wall of the smoke exhaust pipe (1).

3. The waste heat utilization device for power plant energy saving of claim 2, characterized in that: the surface fixed connection of pivot (3011) is connected with first cone pulley (3013) that are located seal box (3012) inside, the surface meshing of first cone pulley (3013) is connected with second cone pulley (3014), the fixed surface of pivot (3011) is connected with wind wheel (3015) that the quantity is two, two wind wheel (3015) are located the both sides of seal box (3012) respectively.

4. The waste heat utilization device for power plant energy saving of claim 2, characterized in that: heat exchange structure (4) are including mounting box (401), mounting box (401) fixed connection is in the inner wall of discharging fume pipe (1), evenly distributed's ventilation hole (402) is seted up on the surface of mounting box (401), logical groove (407) that are linked together with the through-hole are seted up to the bottom of mounting box (401).

5. The waste heat utilization device for power plant energy saving of claim 4, characterized in that: the inner wall of mounting box (401) is provided with heat exchange tube (406), heat exchange tube (406) are the serpentine distribution, the both ends of heat exchange tube (406) all run through mounting box (401) and discharge fume pipe (1) in proper order and extend to the outside of discharging fume pipe (1).

6. The waste heat utilization device for power plant energy saving of claim 5, characterized in that: the inner wall of mounting box (401) rotates and is connected with connecting rod (403), the other end of connecting rod (403) run through mounting box (401) and seal box (3012) in proper order and with one side fixed connection of second cone pulley (3014), the fixed surface of connecting rod (403) is connected with connecting block (404) that quantity is two.

7. The waste heat utilization device for power plant energy saving of claim 6, characterized in that: the two connecting blocks (404) are symmetrical by taking the heat exchange tube (406) as a center, the opposite sides of the two connecting blocks (404) are fixedly connected with bristles (405) which are uniformly distributed, and the bristles (405) are in contact with the heat exchange tube (406).