Waste heat recovery device for sewage treatment

Abstract

The utility model belongs to the technical field of waste heat recovery in a sewage treatment process, and provides a waste heat recovery device for sewage treatment. The waste heat recovery device comprises a plurality of waste heat recovery parts which are placed in a sewage pipeline and distributed in the pipeline; the waste heat recovery part comprises a placing liquid sleeve and a connecting liquid pipe; the liquid containing sleeve is further provided with a contact heat conduction piece and a liquid supplementing part, and the liquid supplementing part is arranged on the sewage pipeline and communicated with the waste heat recovery part. Wherein the liquid supplementing part comprises a liquid supplementing pipe, an opening and closing valve and a liquid tank; and the steam generator set is communicated with the waste heat recovery part and the other end of the connecting liquid pipe, and the steam generator set is used for generating power. According to the waste heat recovery device for sewage treatment, the waste heat recovery efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of waste heat recovery in the sewage treatment process, and particularly relates to a waste heat recovery device for sewage treatment. Background Art

[0002] Industrial sewage usually has waste heat, which is mostly concentrated in the industrial pipeline system. In order to recover the waste heat of the industrial pipeline, a common method is to add a new waste heat pipeline to communicate with the sewage, so that the waste heat of the sewage can be recovered. However, such a recovery method can only recover the heat near the waste heat pipeline. When the industrial pipeline is long, the waste heat is lost in other areas.

[0003] Therefore, in order to solve this problem, we propose a waste heat recovery device for sewage treatment, which realizes more comprehensive waste heat recovery through distributed setting, greatly improving the waste heat recovery efficiency. Content of the Utility Model

[0004] Aiming at the defects in the prior art, the utility model provides a waste heat recovery device for sewage treatment to improve the waste heat recovery efficiency.

[0005] The waste heat recovery device for sewage treatment provided by the utility model comprises: a waste heat recovery part, which is placed in the sewage pipeline, is provided in multiple places and is distributed in the pipeline; the waste heat recovery part comprises a placement liquid sleeve and a connecting liquid pipe; the placement liquid sleeve is arranged in the industrial sewage pipeline with temperature; the connecting liquid pipe penetrates through the industrial sewage pipeline, and one end of the connecting liquid pipe communicates with the placement liquid sleeve; wherein a liquid is injected into the placement liquid sleeve; the placement liquid sleeve is further provided with contact heat conducting sheets, the contact heat conducting sheets are arranged on the outer surface of the placement liquid sleeve, are provided in multiple places and are evenly distributed on the outer wall of the placement liquid sleeve, and the placement liquid sleeve is clamped in the sewage pipeline through the contact heat conducting sheets; a liquid supplement part, which is arranged on the sewage pipeline and communicates with the waste heat recovery part; wherein the liquid supplement part comprises a liquid supplement pipe, a switching valve and a liquid tank; one end of the liquid supplement pipe communicates with the liquid tank; the other end of the liquid supplement pipe communicates with the connecting liquid pipe; wherein the switching valve is installed on the liquid supplement pipe to control the opening and closing of the liquid supplement pipe; and a steam generator set, which communicates with the waste heat recovery part and the other end of the connecting liquid pipe, and the steam generator set is used for generating electricity.

[0006] Further, it also includes a heat-conducting network tube, which is installed inside the connecting liquid tube and is located within the connecting liquid tube; the heat-conducting network tube includes an installation tube body; the installation tube body is installed above the liquid replenishing tube and the connecting liquid tube and is located in the direction away from the liquid placement sleeve; wherein the outer wall of the installation tube body is in abutting connection with the inner wall of the connecting liquid tube. In practical applications, this design effectively realizes the installation and ensures the stability of the heat-conducting network tube.

[0007] Further, the heat-conducting network tube further includes a heat-conducting mesh sleeve, and the heat-conducting mesh sleeve has at least one heat-conducting copper wire, and both ends of the heat-conducting copper wire are fixedly installed on the inner wall of the heat-conducting mesh sleeve respectively. In practical applications, this design realizes sustainable temperature maintenance through copper wires, aiming to reduce temperature drop during steam transfer.

[0008] Further, there are multiple heat-conducting mesh sleeves, and they are evenly distributed along the axial direction of the connecting liquid tube. In practical applications, this design is for the purpose of achieving multiple heat preservations for the temperature inside the liquid placement sleeve when the connecting liquid tube is relatively long, aiming to reduce the steam temperature.

[0009] Further, the liquid replenishing part further includes a liquid pump, one end of the liquid pump is connected to the liquid tank; the other end of the liquid pump is connected to the liquid replenishing tube. In practical applications, this design is for the convenience of replenishing liquid to the liquid placement sleeve, and in practical applications, this liquid is water.

[0010] Further, the liquid tank has a liquid inlet, and the liquid tank communicates with an external liquid source through the liquid inlet. In practical applications, this design is for the convenience of water replenishment.

[0011] Further, it also includes a pressurizing nozzle cover, which is detachably installed inside the connecting liquid tube, and the pressurizing nozzle cover is located above the heat-conducting network tube and is close to the steam generating set direction. In practical applications, the purpose of this design is for the convenience of pressurization, so that the formed high-pressure air flow can meet more power generation requirements of the steam generating set.

[0012] Further, the pressurizing nozzle cover has a pressurizing cover and a pressurizing tube, the pressurizing tube is arranged on the pressurizing cover and penetrates through the pressurizing cover, and the pressurizing cover is in abutting connection and sealing with the inner wall of the connecting liquid tube. In practical applications, the purpose of this design is for the convenience of achieving pressurization.

[0013] As can be seen from the above technical solutions, the beneficial effects of a waste heat recovery device for sewage treatment provided by the present utility model are:

[0014] (1) In actual work, there are multiple waste heat recovery parts, which are distributed. In this way, it can effectively recover the heat sources of pipelines in different regions. The distributed setting method with multiple points and multiple layouts greatly ensures a more comprehensive recovery of waste heat;

[0015] (2) And on the other hand, the provided liquid supplement part can ensure the timely replenishment of liquid into the liquid placement sleeve. Moreover, the installation method of setting the liquid placement sleeve in the pipeline further realizes the multi-point waste heat recovery. There are multiple contact heat conduction fins on the adopted liquid placement sleeve. The contact heat conduction fins are directly in contact with high-temperature sewage to conduct heat and transfer the heat to the liquid in the liquid placement sleeve, that is, water. When the water is continuously under high temperature, it is heated into steam, and then the steam is used to effectively generate electricity for the steam generator set through the steam flow. In this way, the waste heat recovery is realized. Brief Description of the Drawings

[0016] In order to more clearly illustrate the specific implementation manners of the present invention, the drawings required for use in the specific implementation manners or the description of the prior art will be briefly introduced below. In all the drawings, the components or parts do not necessarily draw according to the actual proportion.

[0017] Figure 1 It is a distributed installation schematic diagram of a waste heat recovery device for sewage treatment provided by an embodiment of the present invention;

[0018] Figure 2 It is an installation structure schematic diagram of a heat conduction pipeline in a connecting liquid pipe in a waste heat recovery device for sewage treatment provided by an embodiment of the present invention;

[0019] Figure 3 For Figure 1 the cross-sectional structure schematic diagram of A-A shown;

[0020] Reference Signs:

[0021] Waste heat recovery part 1, liquid placement sleeve 11, connecting liquid pipe 12, contact heat conduction fin 101, liquid supplement part 2, liquid supplement pipe 21, opening and closing valve 22, liquid tank 23, liquid pump 24, steam generator set 3, heat conduction pipeline 4, installation pipe body 41, heat conduction mesh sleeve 42, pressure nozzle cover 5, pressure cover 51, pressure pipe 52. Specific Embodiments

[0022] The embodiments of the technical solutions of the present invention will be described in detail below with reference to the drawings. The following embodiments are only used to more clearly illustrate the technical solutions of the present invention, so they are only examples and cannot be used to limit the protection scope of the present invention.

[0023] The embodiment is basically as shown in the Figures 1 to 3 drawings:

[0024] As Figures 1 - 3 shown, a waste heat recovery device for sewage treatment provided in this embodiment can improve the waste heat recovery efficiency.

[0025] A waste heat recovery device for sewage treatment provided by the present utility model includes: a waste heat recovery part 1, the waste heat recovery part 1 is placed in a sewage pipeline, and there are multiple places, and they are distributed in the pipeline; the waste heat recovery part 1 includes a placement liquid sleeve 11 and a connecting liquid pipe 12; the placement liquid sleeve 11 is arranged in an industrial sewage pipeline with a temperature; the connecting liquid pipe 12 penetrates through the industrial sewage pipeline, and one end of the connecting liquid pipe 12 communicates with the placement liquid sleeve 11; wherein a liquid is injected into the placement liquid sleeve 11; the placement liquid sleeve 11 is further provided with contact heat conducting sheets 101, the contact heat conducting sheets 101 are arranged on the outer surface of the placement liquid sleeve 11, and there are multiple contact heat conducting sheets 101, and they are evenly distributed on the outer wall of the placement liquid sleeve 11, wherein the placement liquid sleeve 11 is clamped in the sewage pipeline through the contact heat conducting sheets 101; a liquid supplement part 2, the liquid supplement part 2 is arranged on the sewage pipeline and communicates with the waste heat recovery part 1; wherein the liquid supplement part 2 includes a liquid supplement pipe 21, a switching valve 22 and a liquid tank 23; one end of the liquid supplement pipe 21 communicates with the liquid tank 23; the other end of the liquid supplement pipe 21 communicates with the connecting liquid pipe 12; wherein the switching valve 22 is installed on the liquid supplement pipe 21 for controlling the opening and closing of the liquid supplement pipe 21; and a steam generator set 3, the steam generator set 3 communicates with the waste heat recovery part 1 and also communicates with the other end of the connecting liquid pipe 12, and the steam generator set 3 is used for generating electricity. In actual work, there are multiple waste heat recovery parts 1, and they are arranged in a distributed manner. In this way, it can effectively realize the effective recovery of heat sources in different area pipelines. The distributed setting method with multiple points and multiple layouts greatly ensures a more comprehensive recovery of waste heat; and on the other hand, the provided liquid supplement part 2 can ensure the timely replenishment of liquid into the placement liquid sleeve 11, and the installation method of setting the placement liquid sleeve 11 in the pipeline further realizes multi-point waste heat recovery. Moreover, multiple contact heat conducting sheets 101 are provided on the adopted placement liquid sleeve 11, and the contact heat conducting sheets 101 directly contact with high-temperature sewage to conduct heat and transfer the heat to the liquid in the placement liquid sleeve 11, that is, water. When the water is continuously heated at a high temperature, it is heated into steam, and then the steam generator set 3 can be effectively powered by the steam flow. In this way, waste heat recovery is achieved.

[0026] In this embodiment, it further includes a heat-conducting network tube 4, and the heat-conducting network tube 4 is installed inside the connecting liquid tube 12 and is located inside the connecting liquid tube 12; the heat-conducting network tube 4 includes an installation tube body 41; the installation tube body 41 is installed above the liquid replenishing tube 21 and the connecting liquid tube 12 and is located in the direction away from the liquid placement sleeve 11; wherein the outer wall of the installation tube body 41 is in contact installation with the inner wall of the connecting liquid tube 12. In practical applications, this design effectively realizes the installation and ensures the stability of the heat-conducting network tube 4.

[0027] In this embodiment, the heat-conducting network tube 4 further includes a heat-conducting network sleeve 42, and the heat-conducting network sleeve 42 has at least one heat-conducting copper wire, and both ends of the heat-conducting copper wire are respectively fixedly installed on the inner wall of the heat-conducting network sleeve 42. In practical applications, this design realizes sustainable temperature guarantee through the copper wire, and the purpose is to reduce the temperature drop during the steam transfer process.

[0028] In this embodiment, there are multiple heat-conducting network sleeves 42, and they are evenly distributed along the axial direction of the connecting liquid tube 12. In practical applications, this design is for when the connecting liquid tube 12 is relatively long, it can achieve multiple heat preservations for the temperature inside the liquid placement sleeve 11, and the purpose is to reduce the steam temperature.

[0029] In this embodiment, the liquid replenishing part 2 further includes a liquid pump 24, one end of the liquid pump 24 is connected to the liquid tank 23; the other end of the liquid pump 24 is connected to the liquid replenishing tube 21. In practical applications, this design is for facilitating the replenishment of liquid into the liquid placement sleeve 11, and in practical applications, this liquid is water.

[0030] In this embodiment, the liquid tank 23 has a liquid inlet, and the liquid tank 23 communicates with an external liquid source through the liquid inlet. In practical applications, this design is for facilitating water replenishment.

[0031] In this embodiment, it further includes a pressurizing nozzle cover 5, the pressurizing nozzle cover 5 is detachably installed inside the connecting liquid tube 12, and the pressurizing nozzle cover 5 is located above the heat-conducting network tube 4 and is close to the steam generating unit 3 direction. In practical applications, the purpose of this design is to facilitate pressurization, so that the formed high-pressure air flow can meet more power generation requirements of the steam generating unit 3.

[0032] In this embodiment, the pressurizing nozzle cover 5 has a pressurizing cover 51 and a pressurizing tube 52, the pressurizing tube 52 is arranged on the pressurizing cover 51 and penetrates through the pressurizing cover 51, and the pressurizing cover 51 is in contact and sealed with the inner wall of the connecting liquid tube 12. In practical applications, the purpose of this design is to facilitate pressurization.

[0033] In summary, the waste heat recovery device for sewage treatment is not only reasonably designed but also easy to operate. It can achieve more comprehensive waste heat recovery, and through the multi-point distributed recovery method, the waste heat recovery efficiency is greatly improved.

[0034] The above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit them. Although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements on some or all of the technical features; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the various embodiments of the present invention, and they should all be covered by the scope of the claims and the description of the present invention.

Claims

1. A waste heat recovery device for sewage treatment, characterized in that: include: A waste heat recovery unit, the waste heat recovery unit is placed in a sewage pipe, and is provided at multiple locations and distributed in the pipe; the waste heat recovery unit includes a placement liquid jacket and a connecting liquid pipe; the placement liquid jacket is arranged in an industrial sewage pipe with a temperature; the connecting liquid pipe runs through the industrial sewage pipe, and one end of the connecting liquid pipe is in communication with the placement liquid jacket; wherein the placement liquid jacket is injected with liquid; the placement liquid jacket is also provided with a contact heat conductive sheet, the contact heat conductive sheet is arranged on the outer surface of the placement liquid jacket, and the contact heat conductive sheet is provided at multiple locations and is evenly distributed on the outer wall of the placement liquid jacket, wherein the placement liquid jacket is clamped in the sewage pipe through the contact heat conductive sheet; A liquid replenishing part, wherein the liquid replenishing part is arranged on the sewage pipe and communicated with the waste heat recovery part; wherein the liquid replenishing part comprises a liquid replenishing pipe, an opening and closing valve and a liquid tank; wherein one end of the liquid replenishing pipe is communicated with the liquid tank; wherein the other end of the liquid replenishing pipe is communicated with the connecting liquid pipe; wherein the opening and closing valve is installed on the liquid replenishing pipe to control the opening and closing of the liquid replenishing pipe; and A steam generator set is communicated with the waste heat recovery unit and with the other end of the connecting liquid pipe, and the steam generator set is used for generating electricity.

2. A waste heat recovery device for sewage treatment according to claim 1, characterized in that: It also includes a heat-conducting mesh pipe, which is installed in the connecting liquid pipe and located in the connecting liquid pipe; the heat-conducting mesh pipe includes a mounting tube body; the mounting tube body is installed above the infusion tube and the connecting liquid pipe, and is located away from the direction of placing the liquid sleeve; wherein the outer wall of the mounting tube body is installed in contact with the inner wall of the connecting liquid pipe.

3. A waste heat recovery device for sewage treatment according to claim 2, characterized in that: The heat-conducting mesh pipe also includes a heat-conducting mesh sleeve, wherein the heat-conducting mesh sleeve has at least one heat-conducting copper wire, and both ends of the heat-conducting copper wire are respectively fixedly mounted on the inner wall of the heat-conducting mesh sleeve.

4. A waste heat recovery device for sewage treatment according to claim 3, characterized in that: The heat-conducting mesh sleeves are provided in multiple locations and are evenly distributed along the axial direction of the connecting liquid pipe.

5. The waste heat recovery device for sewage treatment according to claim 1, characterized in that: The liquid replenishing part also includes a liquid pump, one end of which is connected to the liquid tank; and the other end of which is connected to the liquid replenishing tube.

6. The waste heat recovery device for sewage treatment according to claim 1, characterized in that: The liquid box has a liquid inlet, and the liquid box is connected to an external liquid source through the liquid inlet.

7. The waste heat recovery device for sewage treatment according to claim 2, characterized in that: It also includes a pressure nozzle cover, which is detachably installed in the connecting liquid pipe, and is located above the heat-conducting network pipe and close to the direction of the steam generator set.

8. The waste heat recovery device for sewage treatment according to claim 7, characterized in that: The pressurizing nozzle cover comprises a pressurizing cover and a pressurizing tube. The pressurizing tube is arranged on the pressurizing cover and penetrates the pressurizing cover. The pressurizing cover abuts against and seals against the inner wall of the connecting liquid tube.

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