CN219200126U - A waste heat recovery device - Google Patents

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

A waste heat recovery device

technical field

The utility model belongs to the technical field of energy recovery, in particular to a waste heat recovery device.

Background technique

In the printing and dyeing process, yarn cooking, yarn bleaching and high-temperature washing will generate a large amount of high-temperature wastewater, which contains a lot of heat energy. Direct treatment of these high-temperature wastewater will cause a lot of energy waste.

To sum up, the utility model therefore provides a waste heat recovery device to solve the above problems.

Utility model content

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

A waste heat recovery device, comprising a waste heat recovery tank, the interior of the waste heat recovery tank is sequentially provided with a water inlet chamber, a heat exchange chamber and a drainage chamber from bottom to top, and the inside of the heat exchange chamber is uniformly equipped with a plurality of vertical The heat exchange tube, and the two ends of the heat exchange tube are respectively connected with the water inlet chamber and the drain chamber, and four guide columns are evenly installed inside the heat exchange chamber, and the two ends of the guide column are respectively It is fixedly connected with the bottom side and the top side surface of the heat exchange chamber. The inside of the heat exchange chamber is movably installed with a scraping plate through four guide columns. The scraping plate is evenly provided with a plurality of penetrating scraping tanks. A threaded rod is installed in the center of the heat exchange chamber, and the threaded rod is threadedly connected to the scraping plate.

Further, the scraping tank corresponds to the heat exchange tube one by one, and the size of the heat exchange tube matches the size of the scraping tank.

Further, the top of the waste heat recovery tank is provided with a fixed seat, and a motor is fixedly installed on the top of the fixed seat, and the output end of the motor is connected to the threaded rod through a coupling.

Further, the bottom of the waste heat recovery tank is provided with a first water inlet pipe, and the top of the waste heat recovery tank is provided with a first drain pipe, and the first water inlet pipe and the first drain pipe are connected to the water inlet chamber and the drain pipe respectively. cavities connected.

Further, the surface of the waste heat recovery tank is provided with a second water inlet pipe and an overflow pipe near the top of the heat exchange chamber, and the surface of the waste heat recovery tank is provided with a sewage discharge pipe and a second overflow pipe near the bottom of the heat exchange chamber. The second drain pipe, the second water inlet pipe, the second drain pipe, the overflow pipe and the sewage discharge pipe are all connected to the heat exchange chamber, and the overflow pipe is also connected to the second drain pipe.

Further, an insulation layer is provided on the inner wall of the waste heat recovery tank, and a plurality of support legs are evenly provided on the waste heat recovery tank.

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

1. The utility model enters the water inlet chamber from the first water inlet pipe through the normal temperature clean water, and then flows through the heat exchange chamber from the inside of the heat exchange pipe to exchange heat with the high-temperature waste water in the heat exchange chamber. Multiple heat exchange tubes can divide the normal temperature cold water in the water inlet chamber into multiple streams, which can not only make the heat energy of the high-temperature waste water more uniformly transferred to the clean water inside through the heat exchange tubes, but also increase the flow of waste water and water. The contact area between the heat exchange tubes increases the heat exchange rate.

2. The utility model drives the threaded rod to rotate through the motor so that the scraping plate connected with the threaded rod can move up and down in the heat exchange chamber, and the surface of the heat exchange tube can be scraped and cleaned by the scraping tank on the scraping plate , so as to prevent the fouling on the surface of the heat exchange pipe from affecting the heat transfer efficiency after long-term use.

Description of drawings

Fig. 1 is the three-dimensional schematic view of the utility model;

Fig. 2 is the three-dimensional sectional schematic view of the utility model;

Fig. 3 is a three-dimensional cross-sectional schematic diagram of the utility model after removing the heat exchange tube;

Fig. 4 is a schematic plan view of the utility model.

In the picture:

1. Waste heat recovery tank; 2. Water inlet cavity; 3. Heat exchange cavity; 4. Drainage cavity; 5. Heat exchange tube; ; 10, fixed seat; 11, motor; 12, the first water inlet pipe; 13, the first drain pipe; 14, the second water inlet pipe; 15, overflow pipe; 16, sewage pipe; 17, the second drain pipe; 18 1. Insulation layer; 19. Support legs.

Detailed ways

The implementation of the present utility model will be further described in detail below in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the utility model, but cannot be used to limit the scope of the utility model.

As shown in Figure 1-4, the utility model provides a waste heat recovery device, including a waste heat recovery tank 1, and the interior of the waste heat recovery tank 1 is provided with a water inlet chamber 2, a heat exchange chamber 3 and a drainage chamber 4 in sequence from bottom to top , the inside of the heat exchange chamber 3 is evenly installed with a plurality of vertical heat exchange tubes 5, and the two ends of the heat exchange tubes 5 are respectively connected with the water inlet chamber 2 and the drain chamber 4, and the inside of the heat exchange chamber 3 is evenly installed There are four guide columns 6, and the two ends of the guide columns 6 are fixedly connected with the bottom side and the top side surface of the heat exchange chamber 3, and the inside of the heat exchange chamber 3 is equipped with a scraper 7 through the four guide columns 6, A plurality of penetrating scraping tanks 8 are evenly opened on the scraping plate 7, and a threaded rod 9 is installed in the center of the heat exchange chamber 3, and the threaded rod 9 is threadedly connected with the scraping plate 7, and when the threaded rod 9 rotates , according to the direction in which the threaded rod 9 rotates, the scraping and washing plate 7 is moved upwards or downwards.

Wherein, the scraping tank 8 corresponds to the heat exchange tube 5 one by one, and the size of the heat exchange tube 5 matches the size of the scraping tank 8 , which is convenient for scraping and cleaning the surface of the heat exchange tube 5 .

Among them, the top of the waste heat recovery tank 1 is provided with a fixed seat 10, and the top of the fixed seat 10 is fixedly installed with a motor 11, and the output end of the motor 11 is connected to the threaded rod 9 through a coupling transmission, and the threaded rod is driven by the motor 11. 9 turn.

Wherein, the bottom of the waste heat recovery tank 1 is provided with a first water inlet pipe 12, and the top of the waste heat recovery tank 1 is provided with a first drain pipe 13, and the first water inlet pipe 12 and the first drain pipe 13 are respectively connected with the water inlet chamber 2 and the drain pipe. The chamber 4 is connected, and the clean water flows into the water inlet chamber 2 from the first water inlet pipe 12, and flows into the drain chamber 4 after exchanging heat energy with the high-temperature waste water in the heat exchange chamber 3 inside the heat exchange pipe 5, and finally flows from the first drain pipe 13 flow out.

Wherein, the surface of the waste heat recovery tank 1 is provided with a second water inlet pipe 14 and an overflow pipe 15 near the top of the heat exchange chamber 3 , and the surface of the waste heat recovery tank 1 is provided with a sewage discharge pipe 16 near the bottom of the heat exchange chamber 3 And the second drain pipe 17, the second water inlet pipe 14, the second drain pipe 17, the overflow pipe 15 and the sewage pipe 16 are all communicated with the heat exchange chamber 3, and the overflow pipe 15 is also communicated with the second drain pipe 17 , the high-temperature wastewater produced by printing and dyeing flows into the heat exchange chamber 3 through the second water inlet pipe 14, and flows out from the second drain pipe 17, and the overflow pipe can directly discharge excess hot water in the heat exchange chamber 3.

Wherein, an insulation layer 18 is provided on the inner wall of the waste heat recovery tank 1 , and a plurality of support legs 19 are evenly provided on the waste heat recovery tank 1 , so as to support the waste heat recovery tank 1 .

Specific working principle:

In the process of using the utility model, the high-temperature waste water produced by printing and dyeing flows into the heat exchange chamber 3 through the second water inlet pipe 14, and flows out from the second drain pipe 17, and the purified water flows into the water purification chamber through the first water inlet pipe 12 , after passing through the heat exchange tube 5, the first water outlet pipe flows out of the drain cavity 4 for utilization. The fine flow passes through the heat exchange chamber 3 from the inside of the heat exchange tube 5, and the contact area between the purified water and the high-temperature waste water in the heat exchange chamber 3 can be effectively increased through a plurality of heat exchange tubes 5, and at the same time, the purified water can flow in the heat exchange chamber 3 Evenly distributed, so as to improve the efficiency of heat exchange. At the same time, in the process of heat exchange between purified water and high-temperature wastewater, the motor 11 can be started, and the threaded rod 9 can be driven by the motor 11 to rotate in different directions repeatedly, so that the scraping plate 7 Moving up and down, scraping the surface of the heat exchange tube 5 through the scraping groove 8 on the scraping plate 7 , thereby reducing the probability of fouling on the surface of the heat exchange tube 5 and resulting in low heat transfer efficiency of the heat exchange tube 5 .

The embodiments of the present utility model are given for the purpose of illustration and description. Although the embodiments of the present utility model have been shown and described above, it can be understood that the above-mentioned embodiments are exemplary and should not be construed as a reference to the present utility model. Novel limitation, those skilled in the art can make changes, modifications, substitutions and modifications to the above-mentioned embodiments within the scope of the present utility model.

Claims (6)

1. A waste heat recovery device, characterized in that it includes a waste heat recovery tank (1), and the inside of the waste heat recovery tank (1) is sequentially provided with a water inlet chamber (2) and a heat exchange chamber (3) from bottom to top and a drainage chamber (4), the interior of the heat exchange chamber (3) is equipped with a plurality of vertical heat exchange tubes (5), and the two ends of the heat exchange tubes (5) are respectively connected to the water inlet chamber (2 ) and the drainage cavity (4) are connected, and four guide columns (6) are uniformly installed inside the heat exchange cavity (3), and the two ends of the guide column (6) are respectively connected with the heat exchange cavity (3 ) is fixedly connected to the bottom side and the top side surface, and the inside of the heat exchange chamber (3) is equipped with a scraping plate (7) through four guide columns (6), and the scraping plate (7) is evenly set There are a plurality of through scraping tanks (8), and a threaded rod (9) is installed in the center of the heat exchange cavity (3), and the threaded rod (9) is threadedly connected to the scraping plate (7). 2. The waste heat recovery device according to claim 1, characterized in that: the scraping tank (8) corresponds to the heat exchange tube (5) one by one, and the size of the heat exchange tube (5) is the same as that of the scraping tank (8) to match the size. 3. The waste heat recovery device according to claim 1, characterized in that: the top of the waste heat recovery tank (1) is provided with a fixed seat (10), and the top of the fixed seat (10) is fixed with a motor (11) , and the output end of the motor (11) is connected to the threaded rod (9) through a shaft coupling. 4. The waste heat recovery device according to claim 1, characterized in that: the bottom of the waste heat recovery tank (1) is provided with a first water inlet pipe (12), and the top of the waste heat recovery tank (1) is provided with a first A drain pipe (13), and the first water inlet pipe (12) and the first drain pipe (13) communicate with the water inlet chamber (2) and the drain chamber (4) respectively. 5. The waste heat recovery device according to claim 1, characterized in that: the surface of the waste heat recovery tank (1) is provided with a second water inlet pipe (14) and an overflow pipe near the top of the heat exchange chamber (3) (15), the surface of the waste heat recovery tank (1) is provided with a sewage discharge pipe (16) and a second drain pipe (17) near the bottom of the heat exchange chamber (3), and the second water inlet pipe (14) , the second drain pipe (17), the overflow pipe (15) and the blowdown pipe (16) are all connected with the heat exchange chamber (3), and the overflow pipe (15) is also connected with the second drain pipe (17) connected. 6. The waste heat recovery device according to claim 1, characterized in that: the inner wall of the waste heat recovery tank (1) is provided with an insulating layer (18), and the waste heat recovery tank (1) is evenly provided with a plurality of supports legs (19).

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