CN218096003U

CN218096003U - Auxiliary heat absorbing device for heat supply of power plant

Info

Publication number: CN218096003U
Application number: CN202222494393.9U
Authority: CN
Inventors: 赵波; 张晓伟; 段智敏
Original assignee: Wulate Power Plant Of North United Power Co ltd
Current assignee: Wulate Power Plant Of North United Power Co ltd
Priority date: 2022-09-20
Filing date: 2022-09-20
Publication date: 2022-12-20
Anticipated expiration: 2032-09-20

Abstract

The utility model discloses an auxiliary heat absorbing device for heat supply in power plant, include: supporting legs, a horizontal barrel and an air inlet bin; the supporting legs top is connected with horizontal bucket, and the supporting legs is as bearing the weight of the basis, horizontal bucket top inlays and is equipped with the storehouse of admitting air, horizontal barrel bottom inlays and is equipped with the honeycomb duct, honeycomb duct end-to-end connection has the drain valve. Through the filter screen, geotechnological cloth and activated carbon plate carry out the stage filtration to the flue gas, prevent that the particulate matter in the flue gas from directly depending on spiral heat exchange tube on the surface, cause the circumstances that the heat absorption efficiency descends, pass the rectangular channel through the T template, and the card is gone into after placing the intracavity, under the effect of torsional spring, rotatory the resetting of proper motion, can install the drain valve at the honeycomb duct end, and then the drain valve of being convenient for install and dismantle, carry to spiral heat exchange tube through the cold water of water pump in with the storage water tank, carry out the heat transfer with the flue gas, thereby assist the heat absorption.

Description

Auxiliary heat absorption device for heat supply of power plant

Technical Field

The utility model relates to a supplementary heat absorbing equipment technical field of power plant specifically is a supplementary heat sink for power plant heat supply.

Background

A thermal power plant, called thermal power plant for short, is a plant for producing electric energy by using combustible materials as fuel, and the basic production process is as follows: the fuel heats water to generate steam when burning, chemical energy of the fuel is converted into heat energy, the steam pressure pushes a steam turbine to rotate, the heat energy is converted into mechanical energy, then the steam turbine drives a generator to rotate, the mechanical energy is converted into electric energy, in the working process of a thermal power plant, the heat in flue gas needs to be absorbed through an auxiliary heat absorption device, and the conventional auxiliary heat absorption device of the power plant has certain defects when in use, such as the following example;

because the flue gas is direct through admitting air in the storehouse gets into supplementary heat sink, and carry a large amount of particulate matters in the flue gas, long-time the use, lead to a large amount of impurity of the inside heat absorption assembly surface adhesion of supplementary heat sink main part, cause the hindrance to the heat transfer performance of heat absorption assembly easily, lead to the heat absorption efficiency to descend, and the comdenstion water is excreteed between valve and the butt joint pipeline, after the butt joint through two sets of ring flanges, and pass the multiunit bolt and carry out fixed mounting, the installation is comparatively loaded down with trivial details, and not convenient to dismantle.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an auxiliary heat absorbing device for power plant heat supply to solve the auxiliary heat absorbing device on the existing market that above-mentioned background art provided and when absorbing heat to the flue gas, a large amount of impurity are collected together easily to the inside subassembly surface, reduce the heat transfer performance of inside subassembly easily, and the installation of being not convenient for dismantles the problem that the valve was excreteed to the comdenstion water.

In order to achieve the above object, the utility model provides a following technical scheme: an auxiliary heat sink for heating in a power plant, comprising: supporting legs, a horizontal barrel and an air inlet bin;

the supporting legs top is connected with horizontal bucket, and the supporting legs is as bearing the weight of the basis, horizontal bucket top inlays and is equipped with the storehouse of admitting air, horizontal barrel bottom inlays and is equipped with the honeycomb duct, honeycomb duct end-to-end connection has the drain valve.

Preferably, the horizontal bucket comprises: the horizontal barrel comprises a metal frame, a spiral heat exchange tube, a first communicating tube, a water storage tank, a refrigerator, a water pumping tube, a water pump and a second communicating tube, wherein the metal frame is connected inside the horizontal barrel, the spiral heat exchange tube is connected inside the metal frame, and the height of the spiral heat exchange tube is smaller than the inner diameter of the horizontal barrel.

Preferably, one end of the spiral heat exchange tube is connected with a first communicating tube, one end of the first communicating tube is connected with a water storage tank, and the water storage tank is connected to one end of the horizontal barrel.

Preferably, storage water tank one side is connected with the refrigerator, storage water tank top through connection has the drinking-water pipe, drinking-water pipe one end is connected with the water pump, water pump fixed connection is anterior at the storage water tank, the water pump below is connected with the second communicating pipe, the spiral heat exchange tube other end is connected to second communicating pipe one end.

Preferably, the intake air bin includes: cartridge filter, ring baffle, screw, filter screen, geotechnological cloth, activated carbon plate, the storehouse top of admitting air is connected with the cartridge filter, the cartridge filter outer peripheral face is connected with ring baffle, it is connected with the screw to run through in the ring baffle, screw end threaded connection is on the storehouse top of admitting air.

Preferably, the inner circumferential surface of the filter cartridge is connected with a filter screen, geotextile is arranged below the filter screen, an activated carbon plate is connected below the geotextile, and the diameters of the filter screen, the geotextile and the activated carbon plate are equal to the diameter of the inner circumferential surface of the filter cartridge.

Preferably, the draft tube includes: annular slab, through-hole, handle, torsional spring, place chamber, T template, rectangular channel, circular chamber, fixedly connected with annular slab on the honeycomb duct outer peripheral face, the annular slab is connected on the drain valve top.

Preferably, a through hole is formed in the annular plate, a handle penetrates through the through hole, the outer peripheral surface of the handle is connected with a torsion spring, the torsion spring is fixedly connected in the placing cavity, and the placing cavity is formed in the inner peripheral surface of the through hole;

the T-shaped plate is fixedly connected to the tail end of the handle, the T-shaped plate penetrates through the rectangular groove and is clamped and connected in the circular cavity, the rectangular groove is formed in the top end of the drain valve, and the circular cavity is formed in the bottom of the rectangular groove.

Compared with the prior art, the beneficial effects of the utility model are that: through the filter screen, geotechnological cloth and active carbon plate carry out stage filtration to the flue gas, prevent that the particulate matter in the flue gas from directly depending on spiral heat exchange tube on the surface, cause the circumstances that the heat absorption efficiency descends, pass the rectangular channel through the T template, and the card is gone into after placing the intracavity, under the effect of torsional spring, rotatory reseing by oneself, can install the drain valve at the honeycomb duct end, and then the convenient to install and dismantle the drain valve, carry to spiral heat exchange tube through the cold water of water pump in with the storage water tank, carry out the heat transfer with the flue gas, thereby assist the heat absorption, concrete content is as follows:

1. the combination body of the filter cartridge and the annular baffle is connected to the end part of the air inlet bin, when smoke passes through the filter cartridge and enters the horizontal barrel, the smoke sequentially flows through the filter screen, the geotextile and the activated carbon plate from top to bottom, and then the smoke is filtered in a grading manner, so that impurities in the smoke are prevented from attaching to the surface of the spiral heat exchange tube, and the heat absorption efficiency of the spiral heat exchange tube is prevented from being reduced;

2. the handle is manually rotated by 90 degrees, when the tail end of the guide pipe is inserted into one part of the interior of the drain valve, the annular plate is contacted with the end part of the drain valve, the handle is loosened, the drain valve is further installed at the tail end of the guide pipe, when the drain valve needs to be disassembled, the drain valve can be taken down by manually rotating the handle by 90 degrees again, and the drain valve is convenient to install and disassemble;

3. starting refrigerator and water pump, the water pump carries cold water to spiral heat exchange tube, and spiral heat exchange tube contacts with the flue gas, absorbs heat to get into the storage water tank once more through the second closed tube in, thereby form the circulation, and then can be constantly to the flue gas heat absorption, the comdenstion water finally drips to horizontal barrel head portion, opens the drain valve and discharges the comdenstion water, thereby assists the heat absorption to the heat supply of power plant.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic top view of the present invention;

FIG. 3 is a schematic view of the spiral heat exchange tube of the present invention;

fig. 4 is an enlarged view of the structure of part a of the present invention.

In the figure: 1. supporting legs; 2. a horizontal barrel; 201. a metal frame; 202. a spiral heat exchange tube; 203. a first communicating pipe; 204. a water storage tank; 205. a refrigerator; 206. a water pumping pipe; 207. a water pump; 208. a second communicating pipe; 3. an air inlet bin; 301. a filter cartridge; 302. an annular baffle; 303. a screw; 304. a filter screen; 305. geotextile; 306. an activated carbon plate; 4. a flow guide pipe; 401. an annular plate; 402. a through hole; 403. a handle; 404. a torsion spring; 405. a placement chamber; 406. a T-shaped plate; 407. a rectangular groove; 408. a circular lumen; 5. and (4) draining the water valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

Referring to fig. 1-4, the present invention provides a technical solution: an auxiliary heat sink for heating in a power plant, comprising: the device comprises supporting legs 1, a horizontal barrel 2 and an air inlet bin 3;

supporting legs 1 top is connected with horizontal bucket 2, and supporting legs 1 is as bearing the weight of the basis, and 2 tops of horizontal bucket are inlayed and are equipped with

air inlet bin

3, and 2 bottoms of horizontal bucket are inlayed and are equipped with honeycomb duct 4, and honeycomb duct 4 end-to-end connection has drain valve 5.

The horizontal bucket 2 includes: the horizontal type heat exchange device comprises a metal frame 201, a spiral heat exchange pipe 202, a first communicating pipe 203, a water storage tank 204, a refrigerator 205, a water pumping pipe 206, a water pump 207 and a second communicating pipe 208, wherein the metal frame 201 is connected inside the horizontal type barrel 2, the spiral heat exchange pipe 202 is connected inside the metal frame 201, the height of the spiral heat exchange pipe 202 is smaller than the inner diameter of the horizontal type barrel 2, the contact area and the contact time between cold water and smoke are increased, and the heat absorption efficiency is improved. One end of the spiral heat exchange tube 202 is connected with a first communicating tube 203, one end of the first communicating tube 203 is connected with a water storage tank 204, and the water storage tank 204 is connected to one end of the horizontal barrel 2, so that water passing through the spiral heat exchange tube 202 enters the water storage tank 204 again to form water circulation and prevent water resource waste. The refrigerator 205 is connected to one side of the water storage tank 204, the water pumping pipe 206 is connected to the upper portion of the water storage tank 204 in a penetrating mode, the water pump 207 is connected to one end of the water pumping pipe 206, the water pump 207 is fixedly connected to the front portion of the water storage tank 204, the second communicating pipe 208 is connected to the lower portion of the water pump 207, one end of the second communicating pipe 208 is connected to the other end of the spiral heat exchange pipe 202, cold water in the water storage tank 204 is conveyed to the spiral heat exchange pipe 202 through the water pump 207, heat exchange is conducted with smoke, and therefore auxiliary heat absorption is conducted.

The intake bin 3 includes: cartridge filter 301, ring baffle 302, screw 303, filter screen 304, geotechnological cloth 305, activated

carbon plate

306, 3 tops in the storehouse of admitting air are connected with cartridge filter 301, the cartridge filter 301 outer peripheral face is connected with ring baffle 302, the through connection has screw 303 in the ring baffle 302, screw 303 end screw thread connects on the 3 tops in the storehouse of admitting air, run through ring baffle 302 through screw 303 to with 3 end connection in the storehouse of admitting air, can install cartridge filter 301 in the storehouse of admitting air 3 tops. Be connected with filter screen 304 on the filter cartridge 301 inner peripheral surface, filter screen 304 below is provided with geotechnological cloth 305, geotechnological cloth 305 below is connected with activated carbon plate 306, and filter screen 304, geotechnological cloth 305 and activated carbon plate 306 are equal with filter cartridge 301 inner peripheral surface diameter, carry out stage filter to the flue gas through filter screen 304, geotechnological cloth 305 and activated carbon plate 306, prevent that the direct dependence of particulate matter from appearing on spiral heat exchange tube 202 surface, cause the circumstances that the heat absorption efficiency descends.

The draft tube 4 includes: the water draining device comprises an annular plate 401, a through hole 402, a handle 403, a torsion spring 404, a placing cavity 405, a T-shaped plate 406, a rectangular groove 407 and a circular cavity 408, wherein the annular plate 401 is fixedly connected to the outer peripheral surface of the water draining pipe 4, and the annular plate 401 is connected to the top end of the water draining valve 5. The annular plate 401 is internally provided with a through hole 402, the through hole 402 is internally connected with a handle 403 in a penetrating manner, the outer peripheral surface of the handle 403 is connected with a torsion spring 404, the torsion spring 404 is fixedly connected in a placing cavity 405, the placing cavity 405 is arranged on the inner peripheral surface of the through hole 402, a T-shaped plate 406 is fixedly connected at the tail end of the handle 403, the T-shaped plate 406 penetrates through a rectangular groove 407 and is connected in a circular cavity 408 in a clamping manner, the rectangular groove 407 is arranged at the top end of the drain valve 5, the circular cavity 408 is arranged at the bottom of the rectangular groove 407, the T-shaped plate 406 is rotatably reset in the circular cavity 408 to prevent the T-shaped plate from withdrawing from the rectangular groove 407, the drain valve 5 is further fixed, the T-shaped plate 406 penetrates through the rectangular groove 407 and is clamped in the placing cavity 405, and is automatically rotated and reset under the action of the torsion spring 404, so that the drain valve 5 can be installed at the tail end of the guide pipe 4, and the drain valve 5 is convenient to install and disassemble.

In summary, the following steps: as shown in fig. 1-4, when the auxiliary heat absorption device for heat supply of power plant is used, the device is simply understood, firstly, the handle 403 is manually rotated by 90 degrees, the handle 403 is rotated in the through hole 402 while twisting the torsion spring 404 and driving the T-shaped plate 406 to rotate, then, the drain valve 5 is sleeved at the end of the guide pipe 4, when the end of the guide pipe 4 is inserted into a part of the interior of the drain valve 5, the annular plate 401 is in contact with the end of the drain valve 5, at this time, the T-shaped plate 406 is inserted into the rectangular groove 407 and reaches the circular cavity 408, the handle 403 is released, the handle 403 drives the T-shaped plate 406 to rotate and reset in the circular cavity 408 under the action of the torsion spring 404, the drain valve 5 cannot exit from the rectangular groove 407, and the drain valve 5 is installed at the end of the guide pipe 4, when the drain valve 5 needs to be detached, the handle 403 is manually rotated by 90 degrees again, the drain valve 5 is convenient to install and detach, secondly, the assembly of the filter cartridge 301 and the annular baffle 302 is connected to the end of the cartridge 3, and the filter cartridge 304, the filter large particles can pass through the spiral filter screws, thereby the cartridge 202, the filter cartridge can filter the large particles in the activated carbon dust particles in the cartridge, the filter cartridge 306, the filter cartridge can carry the large particles in the cartridge 2, the filter cartridge, the large particles can be carried by the cartridge, the filter cartridge. The water pump 207 conveys cold water in the water storage tank 204 to the spiral heat exchange pipe 202 through the water pumping pipe 206, the spiral heat exchange pipe 202 is in contact with flue gas to absorb heat, and the cold water enters the water storage tank 204 again through the second communicating pipe 208 to form circulation, so that the flue gas can be continuously absorbed with heat.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions of the features of the embodiments described above, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. An auxiliary heat sink for heating in a power plant, comprising: the method comprises the following steps: the support leg (1), the horizontal barrel (2) and the air inlet bin (3);

the improved water-saving bucket is characterized in that a horizontal bucket (2) is connected above the supporting legs (1), an air inlet bin (3) is embedded above the horizontal bucket (2), a guide pipe (4) is embedded at the bottom of the horizontal bucket (2), and the tail end of the guide pipe (4) is connected with a drain valve (5).

2. An auxiliary heat sink for a heat supply of a power plant as recited in claim 1, wherein: the horizontal bucket (2) comprises: the horizontal barrel comprises a metal frame (201), a spiral heat exchange tube (202), a first communicating tube (203), a water storage tank (204), a refrigerator (205), a water pumping tube (206), a water pump (207) and a second communicating tube (208), wherein the horizontal barrel (2) is internally connected with the metal frame (201), the spiral heat exchange tube (202) is connected in the metal frame (201), and the height of the spiral heat exchange tube (202) is smaller than the inner diameter of the horizontal barrel (2).

3. An auxiliary heat sink for a heat supply of a power plant as recited in claim 2, wherein: one end of the spiral heat exchange tube (202) is connected with a first communicating tube (203), one end of the first communicating tube (203) is connected with a water storage tank (204), and the water storage tank (204) is connected to one end of the horizontal barrel (2).

4. An auxiliary heat sink for a heat supply of a power plant according to claim 3, wherein: storage water tank (204) one side is connected with refrigerator (205), storage water tank (204) top through connection has drinking-water pipe (206), drinking-water pipe (206) one end is connected with water pump (207), water pump (207) fixed connection is anterior at storage water tank (204), water pump (207) below is connected with second bi-pass pipe (208), spiral heat exchange tube (202) other end is connected to second bi-pass pipe (208) one end.

5. An auxiliary heat sink for heating in a power plant according to claim 1, wherein: the intake bin (3) comprises: cartridge filter (301), ring baffle (302), screw (303), filter screen (304), geotechnological cloth (305), activated carbon board (306), inlet chamber (3) top is connected with cartridge filter (301), cartridge filter (301) outer peripheral face is connected with ring baffle (302), it is connected with screw (303) to run through in ring baffle (302), screw (303) terminal threaded connection is on inlet chamber (3) top.

6. An auxiliary heat sink for a heat supply of a power plant according to claim 5, wherein: the filter cartridge is characterized in that a filter screen (304) is connected to the inner circumferential surface of the filter cartridge (301), geotextile (305) is arranged below the filter screen (304), an activated carbon plate (306) is connected below the geotextile (305), and the diameters of the inner circumferential surfaces of the filter screen (304), the geotextile (305) and the activated carbon plate (306) are equal to those of the inner circumferential surface of the filter cartridge (301).

7. An auxiliary heat sink for a heat supply of a power plant as recited in claim 1, wherein: the draft tube (4) includes: annular plate (401), through-hole (402), handle (403), torsional spring (404), place chamber (405), T type board (406), rectangular channel (407), circular chamber (408), fixedly connected with annular plate (401) on honeycomb duct (4) outer peripheral face, annular plate (401) are connected on drain valve (5) top.

8. An auxiliary heat sink for a heat supply of a power plant according to claim 7, wherein: a through hole (402) is formed in the annular plate (401), a handle (403) penetrates through the through hole (402), a torsion spring (404) is connected to the outer peripheral surface of the handle (403), the torsion spring (404) is fixedly connected into a placing cavity (405), and the placing cavity (405) is formed in the inner peripheral surface of the through hole (402);

the T-shaped plate (406) is fixedly connected to the tail end of the handle (403), the T-shaped plate (406) penetrates through a rectangular groove (407) to be clamped and connected into a circular cavity (408), the rectangular groove (407) is formed in the top end of the drain valve (5), and the circular cavity (408) is formed in the bottom of the rectangular groove (407).