CN210229434U - Waste heat recovery device for cooling tower of large power plant - Google Patents

Abstract

The utility model discloses a large-scale power plant cooling tower waste heat recovery device, including recovery tower, motor and water tank, the top of recovery tower is connected with the pipe, and the middle part of pipe has seted up the mounting groove to the mounting groove internal fixation has the filter tube, it has the fixed slot to reserve in the filter tube, and installs the filter screen in the fixed slot, the embedded liquefaction section of thick bamboo of installing in the recovery tower, the guide disc is installed to the inboard at recovery tower middle part, and the outside of guide disc is fixed with the fixture block, the inboard of guide disc is connected with the guide shaft through the dead lever, and the bottom of guide shaft is connected with the scraper blade through another dead lever, the water tank is installed in the bottom of recovery tower. This large-scale power plant cooling tower waste heat recovery device, through carrying out the liquefaction recovery to cooling tower exhaust vapor for carry the city heating, carry out recycle to all the other heat, can carry out filtering operation to exhaust vapor simultaneously, avoid the particulate matter to pile up and cause the circumstances such as jam.

Description

Waste heat recovery device for cooling tower of large power plant

Technical Field

The utility model relates to a cooling tower waste heat recovery technical field specifically is a large-scale power plant cooling tower waste heat recovery device.

Background

The cooling tower is a device which uses water as a circulating coolant, absorbs heat from a system and discharges the heat to the atmosphere so as to reduce the water temperature, and utilizes the heat exchange to generate steam after the water flows and contacts with air, the steam volatilizes and takes away the heat to achieve the effect of evaporative heat dissipation, and the cooling tower has the following problems in the use process of the cooling tower of a power plant:

the steam after the heat dissipation for the evaporation directly discharges in the air, contains a large amount of heats in the steam, and current power plant cooling tower device does not carry out recycle to these waste heats, and the condensation liquefaction in-process of steam still remains most heats, and this heat can be retrieved and is used as urban heating etc. probably contains particulate matter in the steam simultaneously, directly discharges through not filtering, causes air pollution easily.

In order to solve the problems, innovative design is urgently needed on the basis of the original power plant cooling tower.

Disclosure of Invention

An object of the utility model is to provide a large-scale power plant cooling tower waste heat recovery device to solve above-mentioned background art and propose current power plant cooling tower device, can not filter the problem that waste heat recovery utilized to vapor.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a large-scale power plant cooling tower waste heat recovery device, includes recovery tower, motor and water tank, the top of recovery tower is connected with the pipe, and the middle part of pipe has seted up the mounting groove to the mounting groove internal fixation has the filter tube, it has the fixed slot to reserve in the filter tube, and installs the filter screen in the fixed slot, the embedded liquefaction section of thick bamboo of installing in the recovery tower, and the inner wall upper berth of a liquefaction section of thick bamboo is equipped with the liquefaction piece, the motor is fixed in the inside of recovery tower, and the output of motor is connected with the gear, the guide disc is installed to the inboard at recovery tower middle part, and the outside of guide disc is fixed with the fixture block, the inboard of guide disc is connected with the guide shaft through the dead lever, and the bottom of guide shaft is connected with the scraper blade through another dead lever to guide shaft.

Preferably, the longitudinal section of the filter pipe is designed into a hexagonal structure, and the filter pipe and the mounting groove are mutually clamped.

Preferably, the filter screen is equidistantly distributed in the fixed groove, and the cross section of the fixed groove is designed to be of a trapezoidal structure.

Preferably, the number of the liquefaction cylinders is 7, and the liquefaction cylinders are designed in an inverted round platform type structure.

Preferably, the clamping blocks are distributed at equal angles about the central axis of the guide disc, and the clamping blocks and the gear are meshed with each other.

Preferably, the scraper blade is arc structural design, and laminates each other between the avris of scraper blade and the inner wall of liquefaction section of thick bamboo.

Compared with the prior art, the beneficial effects of the utility model are that: according to the waste heat recovery device for the cooling tower of the large power plant, water vapor discharged by the cooling tower is liquefied and recovered to convey city heating, and other heat is recycled, and meanwhile, the discharged water vapor can be filtered, so that the situations of blockage and the like caused by accumulation of particles are avoided;

1. the filter screen is arranged at equal intervals to filter the water vapor, the cross section of the fixing groove is designed into a trapezoidal structure, and the longitudinal section of the filter pipe is designed into a hexagonal structure, so that the filter pipe and the filter screen can be conveniently disassembled and cleaned;

2. through the liquefaction section of thick bamboo of seven round platform type structures that set up, the convenience is handled the quick liquefaction of vapor, and the scraper blade rotates along the inner wall of liquefaction section of thick bamboo under the drive of guide disc and guide shaft simultaneously, can scrape the drop of water of condensing on the inner wall fast to the water tank in.

Drawings

FIG. 1 is a schematic view of a front cross-sectional structure of the present invention;

FIG. 2 is a schematic side view of the filtering pipe of the present invention;

FIG. 3 is a schematic top view of the recycling tower of the present invention;

fig. 4 is a schematic view of the top view of the liquefaction cylinder of the present invention.

In the figure: 1. a recovery tower; 2. a conduit; 3. mounting grooves; 4. a filter tube; 5. fixing grooves; 6. a filter screen; 7. a liquefaction cylinder; 8. liquefying the tablets; 9. a motor; 10. a gear; 11. a guide disc; 12. a clamping block; 13. fixing the rod; 14. a guide shaft; 15. a squeegee; 16. a water tank.

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.

Referring to fig. 1-4, the present invention provides a technical solution: a waste heat recovery device of a cooling tower of a large-scale power plant comprises a recovery tower 1, a guide pipe 2, a mounting groove 3, a filter pipe 4, a fixing groove 5, a filter screen 6, a liquefaction barrel 7, a liquefaction sheet 8, a motor 9, a gear 10, a guide disc 11, a fixture block 12, a fixing rod 13, a guide shaft 14, a scraper 15 and a water tank 16, wherein the top of the recovery tower 1 is connected with the guide pipe 2, the middle part of the guide pipe 2 is provided with the mounting groove 3, the filter pipe 4 is fixed in the mounting groove 3, the fixing groove 5 is reserved in the filter pipe 4, the filter screen 6 is installed in the fixing groove 5, the liquefaction barrel 7 is embedded in the recovery tower 1, the liquefaction sheet 8 is paved on the inner wall of the liquefaction barrel 7, the motor 9 is fixed in the recovery tower 1, the output end of the motor 9 is connected with the gear 10, the guide disc 11 is installed on the inner side of the middle part of the recovery tower 1, the fixture, the bottom of the guide shaft 14 is connected with a scraper 15 through another fixing rod 13, the guide shaft 14 and the scraper 15 are both positioned in the liquefaction cylinder 7, and the water tank 16 is arranged at the bottom of the recovery tower 1;

the longitudinal section of the filter pipe 4 is designed into a hexagonal structure, and the filter pipe 4 and the mounting groove 3 are clamped with each other, so that the filter pipe 4 is conveniently and fixedly mounted in the guide pipe 2, and the seal connection between the guide pipe 2 and the filter pipe 4 is kept;

the filter screens 6 are distributed in the fixed groove 5 at equal intervals, the cross section of the fixed groove 5 is designed to be a trapezoid structure, the filter screens 6 are convenient to mount, dismount and clean, and meanwhile, water vapor can be filtered through the filter screens 6;

7 liquefaction cylinders 7 are distributed, and the liquefaction cylinders 7 are designed in an inverted round platform type structure, so that the contact area between the water vapor in unit volume and the inner wall of the liquefaction cylinder 7 is increased, the liquefaction efficiency of the water vapor is improved, and the liquefied water can be guided into the water tank 16;

the fixture blocks 12 are distributed at equal angles relative to the central axis of the guide disc 11, the fixture blocks 12 are meshed with the gear 10, the scraping plate 15 is designed to be of an arc-shaped structure, the side of the scraping plate 15 is attached to the inner wall of the liquefaction cylinder 7, the gear 10 is convenient to be meshed with the fixture blocks 12 to contact with the inner wall of the liquefaction cylinder 7 when rotating, the guide disc 11 is driven to rotate, the guide shaft 14 and the scraping plate 15 are driven to rotate in the liquefaction cylinder 7, the scraping plate 15 is contacted with the inner wall of the liquefaction cylinder 7, and water drops condensed on the inner wall of the liquefaction cylinder 7 are scraped to the water tank 16 to be collected.

The working principle is as follows: when the device for recovering the waste heat of the cooling tower of the large-scale power plant is used, as shown in fig. 1-4, one end of a conduit 2 on a recovery tower 1 is connected with a steam outlet of the cooling tower, during actual operation, the connection mode can be determined according to actual conditions, the steam in the cooling tower reaches a filter pipe 4 through the conduit 2, the steam is filtered through a filter screen 6 in the filter pipe 4, then the steam reaches the recovery tower 1 from the conduit 2 and is uniformly dispersed into 7 liquefaction barrels 7, the steam is contacted with a liquefaction sheet 8 on the inner wall of the liquefaction barrel 7, the liquefaction sheet 8 adopts a conventional condensation sheet, the steam is condensed into water beads on the liquefaction sheet 8, then a motor 9 is started, the motor 9 drives a gear 10 to rotate, the gear 10 is in meshing contact with a fixture block 12 to drive a guide disc 11 positioned right above the liquefaction barrel 7 to rotate, the guide disc 11 is meshed with the guide disc 11 through the fixture block 12, thereby the guide disc 11 directly over 7 liquefaction section of thick bamboos 7 rotates together, guide disc 11 drives guide shaft 14 and scraper blade 15 at liquefaction section of thick bamboo 7 internal rotation through dead lever 13, through the inner wall contact of scraper blade 15 with liquefaction section of thick bamboo 7, the drop of water that will condense on liquefaction section of thick bamboo 7 inner wall is scraped and is preserved in water tank 16, accomplish the waste heat recovery operation of cooling tower vapor, the water in the water tank 16 can be carried to the life heating through external pipeline, all lay the heat preservation in the device simultaneously, the heat preservation to the water after the liquefaction is handled, and simultaneously, filter screen 6 after long-term use need dismantle the washing, dismantle filter pipe 4 from mounting groove 3 on pipe 2, fix through fastening bolt between filter pipe 4 and the mounting groove 3, then dismantle filter screen 6 from the fixed slot 5 in the filter pipe 4 in proper order, wash filter pipe 4.

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 thereof without departing from the spirit and scope of the invention.

Claims (6)

1. The utility model provides a large-scale power plant cooling tower waste heat recovery device, includes recovery tower (1), motor (9) and water tank (16), its characterized in that: the top of the recovery tower (1) is connected with a guide pipe (2), the middle of the guide pipe (2) is provided with a mounting groove (3), a filter pipe (4) is fixed in the mounting groove (3), a fixing groove (5) is reserved in the filter pipe (4), a filter screen (6) is installed in the fixing groove (5), a liquefaction cylinder (7) is installed in the recovery tower (1) in an embedded mode, a liquefaction sheet (8) is paved on the inner wall of the liquefaction cylinder (7), a motor (9) is fixed in the recovery tower (1), the output end of the motor (9) is connected with a gear (10), a guide disc (11) is installed on the inner side of the middle of the recovery tower (1), a clamping block (12) is fixed on the outer side of the guide disc (11), the inner side of the guide disc (11) is connected with a guide shaft (14) through a fixing rod (13), and the bottom of the guide shaft (14) is connected with a scraper (15), and the guide shaft (14) and the scraper (15) are both positioned in the liquefaction cylinder (7), and the water tank (16) is arranged at the bottom of the recovery tower (1).

2. The waste heat recovery device of the cooling tower of the large power plant according to claim 1, characterized in that: the longitudinal section of the filter pipe (4) is designed into a hexagonal structure, and the filter pipe (4) and the mounting groove (3) are mutually clamped.

3. The waste heat recovery device of the cooling tower of the large power plant according to claim 1, characterized in that: the filter screen (6) are distributed in the fixing groove (5) at equal intervals, and the cross section of the fixing groove (5) is designed to be of a trapezoid structure.

4. The waste heat recovery device of the cooling tower of the large power plant according to claim 1, characterized in that: 7 liquefaction barrels (7) are distributed, and the liquefaction barrels (7) are designed to be inverted round platform type structures.

5. The waste heat recovery device of the cooling tower of the large power plant according to claim 1, characterized in that: the fixture blocks (12) are distributed in an equal angle mode about the central axis of the guide disc (11), and the fixture blocks (12) are meshed with the fixture blocks (12) and the fixture blocks (12) are meshed with the gear (10).

6. The waste heat recovery device of the cooling tower of the large power plant according to claim 1, characterized in that: scraper blade (15) are arc structural design, and laminate each other between the avris of scraper blade (15) and the inner wall of liquefaction section of thick bamboo (7).

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