CN219200126U

CN219200126U - Waste heat recovery device

Info

Publication number: CN219200126U
Application number: CN202223400901.9U
Authority: CN
Inventors: 杜荣东; 徐敏贤
Original assignee: Zhongyifeng Construction Group Co Ltd
Current assignee: Zhongyifeng Construction Group Co Ltd
Priority date: 2022-12-19
Filing date: 2022-12-19
Publication date: 2023-06-16
Anticipated expiration: 2032-12-19

Abstract

The utility model provides a waste heat recovery device, which comprises a waste heat recovery tank, wherein the interior of the waste heat recovery tank is sequentially provided with a water inlet cavity, a heat exchange cavity and a water drainage cavity from bottom to top, a plurality of vertical heat exchange pipes are uniformly arranged in the heat exchange cavity, two ends of each heat exchange pipe are respectively communicated with the water inlet cavity and the water drainage cavity, four guide upright posts are also uniformly arranged in the heat exchange cavity, two ends of each guide upright post are fixedly connected with the bottom side and the top side surface of the heat exchange cavity respectively, a scraping and washing plate is movably arranged in the heat exchange cavity through the four guide upright posts, a plurality of penetrating scraping and washing grooves are uniformly formed in the scraping and washing plate, a threaded rod is arranged in the center of the heat exchange cavity, and the threaded rod is in threaded connection with the scraping and washing plate; according to the utility model, heat energy in the high-temperature wastewater is conducted to purified water through the heat exchange tube by the heat exchange cavity, so that the purpose of recycling the high-temperature wastewater generated by printing and dyeing is realized, and the waste of energy is reduced.

Description

Waste heat recovery device

Technical Field

The utility model belongs to the technical field of energy recovery, and particularly relates to a waste heat recovery device.

Background

In the process flow of printing and dyeing, the working procedures of yarn boiling, yarn bleaching, high-temperature water washing and the like can generate a large amount of high-temperature wastewater, the wastewater contains a large amount of heat energy, and the high-temperature wastewater is directly treated to cause a large amount of energy waste.

In summary, the present utility model provides a waste heat recovery device to solve the above problems.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a waste heat recovery device to solve the problem that a large amount of energy is wasted when high-temperature wastewater generated in the processing process of a printing and dyeing process is directly treated.

The utility model provides a waste heat recovery device, includes the waste heat recovery jar, inlet chamber, heat transfer chamber and drainage chamber have been seted up in proper order by last to the inside of waste heat recovery jar, a plurality of vertical heat transfer pipes are evenly installed to the inside in heat transfer chamber, just the both ends of heat transfer pipe are linked together with inlet chamber and drainage chamber respectively, four direction stand still evenly installed in the inside in heat transfer chamber, just the both ends of direction stand link to each other with the bottom side and the topside fixed surface in heat transfer chamber respectively, the inside in heat transfer chamber is through four direction stand movable mounting to scrape the washing board, scrape and evenly seted up a plurality of scraping and washing grooves that run through on the washing board, the threaded rod is installed at the center in heat transfer chamber, just threaded connection between threaded rod and the scraping and washing board.

Further, the scraping and washing grooves are in one-to-one correspondence with the heat exchange tubes, and the sizes of the heat exchange tubes are matched with the sizes of the scraping and washing grooves.

Further, the top of waste heat recovery jar is equipped with the fixing base, the top fixed mounting of fixing base has the motor, just pass through the shaft coupling transmission between the output of motor and the threaded rod and be connected.

Further, the bottom of waste heat recovery jar is equipped with first inlet tube, the top of waste heat recovery jar is equipped with first drain pipe, just first inlet tube and first drain pipe are linked together with inlet chamber and drainage chamber respectively.

Further, the waste heat recovery tank surface is equipped with second inlet tube and overflow pipe in the position department that is close to heat exchange cavity top, waste heat recovery tank surface is equipped with blow off pipe and second drain pipe in the position department that is close to heat exchange cavity bottom, second inlet tube, second drain pipe, overflow pipe and blow off pipe all are linked together with the heat exchange cavity, just the overflow pipe still is linked together with the second drain pipe.

Further, an insulation layer is arranged inside the inner wall of the waste heat recovery tank, and a plurality of supporting legs are uniformly arranged on the waste heat recovery tank.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, normal-temperature water enters the water inlet cavity from the first water inlet pipe, then heat energy exchange is carried out on high-temperature wastewater flowing through the heat exchange cavity from the inside of the heat exchange pipe and the heat exchange cavity, and the normal-temperature cold water in the water inlet cavity can be divided into a plurality of thin streams through the plurality of uniformly distributed heat exchange pipes, so that the heat energy of the high-temperature wastewater can be more uniformly conducted to the water in the heat exchange cavity through the heat exchange pipe, and meanwhile, the contact area between the wastewater and the heat exchange pipe can be increased, thereby improving the heat exchange speed.

2. According to the utility model, the motor drives the threaded rod to rotate, so that the scraping and washing plate in threaded connection with the threaded rod can move up and down in the heat exchange cavity, and the scraping and washing groove on the scraping and washing plate scrapes and washes the surface of the heat exchange pipe, so that the scaling on the surface of the heat exchange pipeline after long-term use is prevented from affecting the heat energy transfer efficiency.

Drawings

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

FIG. 2 is a schematic perspective cross-sectional view of the present utility model;

FIG. 3 is a schematic perspective cross-sectional view of the present utility model with heat exchange tubes removed;

fig. 4 is a schematic plan sectional view of the present utility model.

In the figure:

1. a waste heat recovery tank; 2. a water inlet cavity; 3. a heat exchange cavity; 4. a drainage cavity; 5. a heat exchange tube; 6. a guide column; 7. a scraping plate; 8. a scraping and washing groove; 9. a threaded rod; 10. a fixing seat; 11. a motor; 12. a first water inlet pipe; 13. a first drain pipe; 14. a second water inlet pipe; 15. an overflow pipe; 16. a blow-down pipe; 17. a second drain pipe; 18. a heat preservation layer; 19. and (5) supporting legs.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.

As shown in fig. 1-4, the utility model provides a waste heat recovery device, which comprises a waste heat recovery tank 1, wherein a water inlet cavity 2, a heat exchange cavity 3 and a water drainage cavity 4 are sequentially formed in the waste heat recovery tank 1 from bottom to top, a plurality of vertical heat exchange pipes 5 are uniformly arranged in the heat exchange cavity 3, two ends of each heat exchange pipe 5 are respectively communicated with the water inlet cavity 2 and the water drainage cavity 4, four guide upright posts 6 are also uniformly arranged in the heat exchange cavity 3, two ends of each guide upright post 6 are respectively fixedly connected with the surfaces of the bottom side and the top side of the heat exchange cavity 3, a scraping and washing plate 7 is movably arranged in the heat exchange cavity 3 through the four guide upright posts 6, a plurality of penetrating scraping and washing grooves 8 are uniformly formed in the scraping and washing plate 7, a threaded rod 9 is arranged in the center of the heat exchange cavity 3, the threaded rod 9 is in threaded connection with the scraping and washing plate 7, and when the threaded rod 9 rotates, the scraping and washing plate 7 moves upwards or downwards according to the rotating direction of the threaded rod 9.

The scraping and washing grooves 8 are in one-to-one correspondence with the heat exchange tubes 5, and the sizes of the heat exchange tubes 5 are matched with the sizes of the scraping and washing grooves 8, so that the surfaces of the heat exchange tubes 5 can be scraped and washed conveniently.

Wherein, waste heat recovery jar 1's top is equipped with fixing base 10, and fixing base 10's top fixed mounting has motor 11, and is connected through the shaft coupling transmission between motor 11's the output and threaded rod 9, drives threaded rod 9 through motor 11 and rotates.

Wherein, the bottom of waste heat recovery jar 1 is equipped with first inlet tube 12, and the top of waste heat recovery jar 1 is equipped with first drain pipe 13, and first inlet tube 12 and first drain pipe 13 are linked together with inlet chamber 2 and drainage chamber 4 respectively, and the water purification flows into inlet chamber 2 from first inlet tube 12, flows into drainage chamber 4 after heat exchange is carried out with the high temperature waste water in the heat exchange chamber 3 in heat exchange tube 5 inside, finally flows from first drain pipe 13.

The surface of the waste heat recovery tank 1 is provided with a second water inlet pipe 14 and an overflow pipe 15 at a position close to the top of the heat exchange cavity 3, the surface of the waste heat recovery tank 1 is provided with a drain pipe 16 and a second drain pipe 17 at a position close to the bottom of the heat exchange cavity 3, the second water inlet pipe 14, the second drain pipe 17, the overflow pipe 15 and the drain pipe 16 are all communicated with the heat exchange cavity 3, the overflow pipe 15 is also communicated with the second drain pipe 17, high-temperature waste water generated by printing and dyeing flows into the heat exchange cavity 3 from the second water inlet pipe 14 and flows out from the second drain pipe 17, and the overflow pipe can directly discharge redundant hot water in the heat exchange cavity 3.

Wherein, the inner wall inside of waste heat recovery jar 1 is equipped with heat preservation 18, evenly is equipped with a plurality of supporting legs 19 on the waste heat recovery jar 1, is convenient for support waste heat recovery jar 1.

The specific working principle is as follows:

in the process of using the heat exchange device, high-temperature wastewater generated by printing and dyeing flows into the heat exchange cavity 3 from the second water inlet pipe 14 and flows out from the second water outlet pipe 17, purified water flows into the water purification cavity from the first water inlet pipe 12, flows out of the water discharge cavity 4 from the first water outlet pipe after passing through the heat exchange pipe 5, and is dispersed into a plurality of smaller trickles by the plurality of heat exchange pipes 5 to pass through the heat exchange cavity 3 from the inside of the heat exchange pipe 5 after flowing into the water purification cavity, the contact area of the purified water and the high-temperature wastewater in the heat exchange cavity 3 can be effectively improved through the plurality of heat exchange pipes 5, meanwhile, the purified water is uniformly distributed in the heat exchange cavity 3, so that the heat exchange efficiency is improved, meanwhile, in the process of heat exchange between the purified water and the high-temperature wastewater, the motor 11 can be started, the threaded rod 9 is driven to repeatedly rotate in different directions through the motor 11, the scraping and the surface of the heat exchange pipe 5 is scraped and washed by the scraping grooves 8 on the scraping plate 7, so that the surface of the heat exchange pipe 5 is scaled, and the probability of low heat conduction efficiency of the heat exchange pipe 5 is reduced.

The embodiments of the present utility model have been shown and described for the purpose of illustration and description, it being understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made therein by one of ordinary skill in the art without departing from the scope of the utility model.

Claims

1. The utility model provides a waste heat recovery device which characterized in that: including waste heat recovery jar (1), inlet chamber (2), heat transfer chamber (3) and drainage chamber (4) have been seted up in proper order by going down to the inside of waste heat recovery jar (1), the internally mounted of heat transfer chamber (3) has a plurality of vertical heat transfer pipes (5), just the both ends of heat transfer pipe (5) are linked together with inlet chamber (2) and drainage chamber (4) respectively, four direction stand (6) are still evenly installed to the inside of heat transfer chamber (3), just the both ends of direction stand (6) link to each other with the bottom side and the top side fixed surface of heat transfer chamber (3) respectively, scrape washing board (7) through four direction stand (6) movable mounting in the inside of heat transfer chamber (3), scrape evenly on washing board (7) set up a plurality of scraping washing grooves (8) that run through, threaded rod (9) are installed at the center of heat transfer chamber (3), just threaded connection between threaded rod (9) and the scraping washing board (7).

2. The waste heat recovery device of claim 1, wherein: the scraping and washing grooves (8) are in one-to-one correspondence with the heat exchange tubes (5), and the sizes of the heat exchange tubes (5) are matched with the sizes of the scraping and washing grooves (8).

3. The waste heat recovery device of claim 1, wherein: the top of waste heat recovery jar (1) is equipped with fixing base (10), the top fixed mounting of fixing base (10) has motor (11), just pass through the shaft coupling transmission between the output of motor (11) and threaded rod (9) and be connected.

4. The waste heat recovery device of claim 1, wherein: the bottom of waste heat recovery jar (1) is equipped with first inlet tube (12), the top of waste heat recovery jar (1) is equipped with first drain pipe (13), just first inlet tube (12) and first drain pipe (13) are linked together with inlet chamber (2) and drainage chamber (4) respectively.

5. The waste heat recovery device of claim 1, wherein: the waste heat recovery tank (1) surface is equipped with second inlet tube (14) and overflow pipe (15) in the position department that is close to heat exchange chamber (3) top, waste heat recovery tank (1) surface is equipped with blow off pipe (16) and second drain pipe (17) in the position department that is close to heat exchange chamber (3) bottom, second inlet tube (14), second drain pipe (17), overflow pipe (15) and blow off pipe (16) all are linked together with heat exchange chamber (3), just overflow pipe (15) still are linked together with second drain pipe (17).

6. The waste heat recovery device of claim 1, wherein: the inner wall of the waste heat recovery tank (1) is internally provided with an insulating layer (18), and a plurality of supporting legs (19) are uniformly arranged on the waste heat recovery tank (1).