LU503841B1 - Heat transfer device for waste heat recovery of industrial wastewater - Google Patents

Heat transfer device for waste heat recovery of industrial wastewater Download PDF

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Publication number
LU503841B1
LU503841B1 LU503841A LU503841A LU503841B1 LU 503841 B1 LU503841 B1 LU 503841B1 LU 503841 A LU503841 A LU 503841A LU 503841 A LU503841 A LU 503841A LU 503841 B1 LU503841 B1 LU 503841B1
Authority
LU
Luxembourg
Prior art keywords
heat transfer
fixedly connected
transfer box
limit plate
liquid inlet
Prior art date
Application number
LU503841A
Other languages
German (de)
Inventor
Mingtao Wang
Original Assignee
Univ Yantai
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Univ Yantai filed Critical Univ Yantai
Priority to LU503841A priority Critical patent/LU503841B1/en
Application granted granted Critical
Publication of LU503841B1 publication Critical patent/LU503841B1/en

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D21/0001—Recuperative heat exchangers
    • F28D21/0012—Recuperative heat exchangers the heat being recuperated from waste water or from condensates
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D11/00—Heat-exchange apparatus employing moving conduits
    • F28D11/08—Heat-exchange apparatus employing moving conduits more than one conduit assembly performing independent movements, e.g. rotary bundle of tubes in a rotary drum
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/08—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being otherwise bent, e.g. in a serpentine or zig-zag
    • F28D7/082—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being otherwise bent, e.g. in a serpentine or zig-zag with serpentine or zig-zag configuration
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F5/00—Elements specially adapted for movement

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

A heat transfer device for waste heat recovery of industrial wastewater comprises heat transfer tubes connected with a heat transfer box, and a heat preservation shell fixedly connected with the outer wall surface of the heat transfer box, wherein the outer wall surface of the heat transfer box is provided with a diversion hole communicated with the heat preservation shell; the diversion hole near the water inlet end is arranged at the bottom of the heat transfer box; and the diversion hole near the water outlet end is arranged at the top of the heat transfer box. The invention may effectively improve the heat transfer efficiency of waste heat recovery of industrial wastewater.

Description

DESCRIPTION LU503841
HEAT TRANSFER DEVICE FOR WASTE HEAT RECOVERY OF INDUSTRIAL
WASTEWATER
TECHNICAL FIELD
The invention belongs to the technical field of industrial wastewater treatment, and in particular relates to a heat transfer device for waste heat recovery of industrial wastewater.
BACKGROUND
A large amount of industrial high-temperature wastewater will be produced in the existing industrial production process, which has the characteristics of large quantity, high temperature and high pollution, and cannot be directly used. Due to the characteristics of industrial wastewater, it cannot be directly discharged when it is treated.
At the same time, high temperature is not conducive to recycling and filtering wastewater, and a large amount of wastewater not only wastes water resources, but also directly loses heat and reduces energy utilization. Therefore, a heat transfer device for waste heat recovery of industrial wastewater is provided to solve the problem of heat recovery of wastewater and improve the efficiency of waste heat recovery.
SUMMARY LU503841
The purpose of the present invention is to provide a heat transfer device for waste heat recovery of industrial wastewater to solve the above problems.
In order to achieve the above objectives, the present invention provides the following scheme.
A heat transfer device for waste heat recovery of industrial wastewater comprises a heat transfer box, heat transfer tubes, wherein the heat transfer tubes are arranged in the heat transfer box, a limit plate is connected in the heat transfer box, the heat transfer tubes are arranged on the limit plate at equal intervals in the circumferential direction, the top end of the heat transfer box is provided with a liquid inlet, and the liquid inlet and the liquid outlet are respectively communicated with a plurality of heat transfer tubes; heat preservation shell, which is fixedly connected to the outer peripheral wall of the heat transfer box, and has a water inlet end and a water outlet end; the outer wall surface of the heat transfer box is respectively provided with diversion holes corresponding to the water inlet end and the water outlet end, wherein the diversion holes close to the water inlet end are arranged at the bottom of the heat transfer box; and driving part, wherein the driving part is arranged on the heat transfer box, and the output end of the driving part extends into the heat transfer box and is in transmission connection with the limit plate.
In some embodiments, the limit plate is arranged at the top of the heat transfer box, the inner wall surface of the heat transfer box is provided with a groove, a slider is fixedly connected in the groove, the slider is provided with a limit groove corresponding to the limit plate, the limit plate is in sliding contact with the slider, the inner bottom of the heat transfer box is connected with a rotating seat, one end of the heat transfer tube far from the limit plate is fixedly connected with the rotating seat, and two ends of the heat transfer tube respectively penetrate through the limit plate and the rotating seat.
In some embodiments, a gap is formed between the top end of the limit plate and the liquid inlet, and a guide groove is formed at the bottom end of the heat transfer box corresponding to the rotating seat, wherein the guide groove has an inverted corlé/503841 structure, the liquid outlet is positioned at the bottom end of the guide groove and communicated with the guide groove, the bottom end of the rotating seat is fixedly connected with a ball, and the ball is in sliding contact with the inner wall surface of the guide groove.
In some embodiments, a sealing ring is fixedly connected to the inner wall surface of the heat transfer box corresponding to the rotating seat, and one side of the sealing ring close to the rotating seat is in sliding contact with the rotating seat.
In some embodiments, the driving part comprises a driving motor fixedly connected to the top side of the heat transfer box, the output shaft of the driving motor is fixedly connected with a worm through a coupling, the worm is meshed with a worm gear, the axis of the worm gear is fixedly connected with a rotating rod, and one end of the rotating rod extends into the heat transfer box and is fixedly connected with the limit plate.
In some embodiments, the heat preservation shell comprises an outer shell and an inner shell, a vacuum layer is arranged between the outer shell and the inner shell, the water inlet end comprises a water inlet pipe fixedly connected to the top end of the outer shell, one end of the water inlet pipe extends into the inner shell, the water outlet end comprises a water outlet pipe fixedly connected to the bottom of the outer shell, one end of the water outlet pipe extends into the inner shell, and valves are arranged on both the water inlet pipe and the water outlet pipe.
In some embodiments, a liquid inlet pipe is fixedly connected in the liquid inlet, a connector is arranged on one side of the outer wall surface of the liquid inlet pipe, one end of the connector extends into the liquid inlet pipe and is fixedly connected with a filter screen, and the filter screen is detachably connected with the liquid inlet pipe.
In some embodiments, the connector comprises a mounting seat, two sides of the mounting seat are fixedly connected with retaining rings, and a bolt is slidably connected in the retaining ring, and one side of the bolt close to the liquid inlet pipe is connected with the liquid inlet pipe.
Compared with the prior art, the invention has the following advantages and technical effects.
The heat transfer efficiency is improved by rotating a plurality of heat transfer tubg$J503841 through the limit plate, the heat preservation shell fixedly connected to the outer wall of the heat transfer box reduces the heat loss, and guide holes with different heights are opened, so that the heat transfer water can be fully transferred and the heat transfer effect can be guaranteed.
BRIEF DESCRIPTION OF THE FIGURES
In order to explain the embodiments of the present invention or the technical scheme in the prior art more clearly, the drawings needed in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present invention. For ordinary people in the field, other drawings can be obtained according to these drawings without paying creative labor.
Fig. 1 is a schematic structural diagram of the whole device;
Fig. 2 is a partial detailed view at A in fig. 1;
Fig. 3 is a partial detailed view at B in fig. 1; 1. heat transfer box; 2. heat transfer tube; 3. limit plate; 4. heat preservation shell; 41. inner shell; 42. outer shell; 5. rotating seat; 6. slider; 7. ball; 8. sealing ring; 9. drive motor; 10. worm; 11. worm gear; 12. rotating rod; 13. liquid inlet pipe; 14. filter screen; 15. mounting seat; 16. retaining ring; 17. bolts; 18. coupling; 19. diversion hole; 20. water inlet pipe; 21. water outlet pipe; 22. valve.
DESCRIPTION OF THE INVENTION LU503841
In the following, the technical scheme in the embodiment of the invention will be clearly and completely described with reference to the attached drawings. Obviously, the described embodiment is only a part of the embodiment of the invention, but not the whole embodiment. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in the field without creative labor belong to the scope of protection of the present invention.
In order to make the above objects, features and advantages of the present invention more obviously and easily to understand, the present invention will be further described in detail with the attached drawings and specific embodiments.
Embodiment
Referring to figs. 1-3, the present invention provides a heat transfer device for waste heat recovery of industrial wastewater, comprising a heat transfer box 1, heat transfer tubes 2, wherein the heat transfer tubes 2 are arranged in the heat transfer box 1, a limit plate 3 is connected in the heat transfer box 1, the heat transfer tubes 2 are arranged on the limit plate 3 at equal intervals in the circumferential direction, the top end of the heat transfer box 1 is provided with a liquid inlet, and the liquid inlet and the liquid outlet are respectively communicated with a plurality of heat transfer tubes 2; heat preservation shell 4, which is fixedly connected to the outer peripheral wall of the heat transfer box 1, and has a water inlet end and a water outlet end; the outer wall surface of the heat transfer box 1 is respectively provided with diversion holes 19 corresponding to the water inlet end and the water outlet end, wherein the diversion holes 19 close to the water inlet end are arranged at the bottom of the heat transfer box 1; and driving part, wherein the driving part is arranged on the heat transfer box 1, and the output end of the driving part extends into the heat transfer box 1 and is in transmission connection with the limit plate 3.
According to the invention, the heat transfer box 1 is rotationally connected with the limit plate 3 by using a driving piece, and a plurality of heat transfer tubes 2 are fixedly connected on the limit plate 3 at equal intervals in the circumferential direction; aftét/503841 wastewater is introduced from the liquid inlet of the heat transfer box 1, heat transfer water is introduced from the water inlet end of the heat preservation shell 4. The heat transfer water enters from the diversion hole 19 at the bottom, and the heat dissipation effect is accelerated by rotating the heat transfer tube 2. In the process, the heat preservation shell 4 can effectively reduce the waste heat loss and energy waste. Finally, the heat transfer water gradually accumulates in the heat transfer box 1 until it reaches the height of the diversion hole 19 at the top, and then it is discharged from the water outlet end of the heat preservation shell 4, so that the heat transfer water can be fully transferred, and the heat transfer recovery construction of wastewater waste heat can be carried out efficiently, and the heat transfer efficiency can be improved.
In an embodiment of the present invention, the heat transfer tube 2 is a special-shaped tube with several bending radians, which is combined with rotating heat transfer in the heat transfer box 1 to increase the contact area between wastewater and heat transfer water and further accelerate the heat transfer process.
Further, the limit plate 3 is arranged at the top of the heat transfer box 1, the inner wall surface of the heat transfer box 1 is provided with a groove, a slider 6 is fixedly connected in the groove, the slider 6 is provided with a limit groove corresponding to the limit plate 3, the limit plate 3 is in sliding contact with the slider 6, the inner bottom of the heat transfer box 1 is connected with a rotating seat 5, one end of the heat transfer tube 2 far from the limit plate 3 is fixedly connected with the rotating seat 5, and two ends of the heat transfer tube 2 respectively penetrate through the limit plate 3 and the rotating seat 5.
Further, a gap is formed between the top end of the limit plate 3 and the liquid inlet, and a guide groove is formed at the bottom end of the heat transfer box 1 corresponding to the rotating seat 5, wherein the guide groove has an inverted cone structure, the liquid outlet is positioned at the bottom end of the guide groove and communicated with the guide groove, the bottom end of the rotating seat 5 is fixedly connected with a ball 7, and the ball 7 is in sliding contact with the inner wall surface of the guide groove.
Further, a sealing ring 8 is fixedly connected to the inner wall surface of the hekt/503841 transfer box 1 corresponding to the rotating seat 5, and one side of the sealing ring 8 close to the rotating seat 5 is in sliding contact with the rotating seat 5.
The limit plate 3 is limited by a limit groove formed on the slider 6, the contact area between the rotating seat 5 and the heat transfer box 1 is reduced by the balls 7 fixedly connected at the bottom of the rotating seat 5, and the wastewater is separated through a plurality of heat transfer tubes 2 to increase the heat transfer area. Then the limit plate 3 rotates to drive the heat transfer tube 2 and the rotating seat 5 to rotate. After heat transfer, the wastewater in the heat transfer tube 2 flows into the heat transfer box 1 through the tapered guide groove, and the sealing ring 8 effectively reduces the heat transfer water on the outer wall surface of the heat transfer tube 2 from flowing out of the guide groove.
Further, the driving part comprises a driving motor 9 fixedly connected to the top side of the heat transfer box 1, the output shaft of the driving motor 9 is fixedly connected with a worm 10 through a coupling 18, the worm 10 is meshed with a worm gear 11, the axis of the worm gear 11 is fixedly connected with a rotating rod 12, and one end of the rotating rod 12 extends into the heat transfer box 1 and is fixedly connected with the limit plate 3.
Further, the heat preservation shell 4 comprises an outer shell 42 and an inner shell 41, a vacuum layer is arranged between the outer shell 42 and the inner shell 41, the water inlet end comprises a water inlet pipe 20 fixedly connected to the top end of the outer shell 42, one end of the water inlet pipe 20 extends into the inner shell 41, the water outlet end comprises a water outlet pipe 21 fixedly connected to the bottom of the outer shell 42, one end of the water outlet pipe 21 extends into the inner shell 41, and valves 22 are arranged on both the water inlet pipe 20 and the water outlet pipe 21.
A baffle plate (not shown in the figure) is fixedly connected in the inner shell 41 of the heat preservation shell 4, and the inner cavity of the inner shell 41 is correspondingly divided into a water inlet cavity and a water outlet cavity, so that the heat transfer hot water after heat transfer can be directly discharged from the water outlet pipe 21 of the water outlet cavity through the top diversion hole 19, and the waste of heat transfél503841 energy is avoided.
Further, a liquid inlet pipe 13 is fixedly connected in the liquid inlet, a connector is arranged on one side of the outer wall surface of the liquid inlet pipe 13, one end of the connector extends into the liquid inlet pipe 13 and is fixedly connected with a filter screen 14, and the filter screen 14 is detachably connected with the liquid inlet pipe 13.
Further, the connector comprises a mounting seat 15, two sides of the mounting seat 15 are fixedly connected with retaining rings 16, and a bolt 17 is slidably connected in the retaining ring 16, and one side of the bolt 17 close to the liquid inlet pipe 13 is connected with the liquid inlet pipe 13.
In the description of the present invention, it is necessary to understand that the terms "vertical", "horizontal", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", and the like indicate orientation or positional relationships based on the orientation or positional relationships shown in the drawings, only for the convenience of describing the present invention, Rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed, and operate in a specific orientation, it cannot be understood as a limitation of the present invention.
The above-described embodiments are only a description of the preferred method of the invention, and are not intended to limit the scope of the invention. Without departing from the design spirit of the invention, various modifications and improvements made by ordinary technicians in the art to the technical solution of the invention should fall within the scope of protection determined in the claims of the invention.

Claims (8)

CLAIMS LU503841
1. A heat transfer device for waste heat recovery of industrial wastewater, comprising a heat transfer box (1), heat transfer tubes (2), wherein the heat transfer tubes (2) are arranged in the heat transfer box (1), a limit plate (3) is connected in the heat transfer box (1), the heat transfer tubes (2) are arranged on the limit plate (3) at equal intervals in the circumferential direction, the top end of the heat transfer box (1) is provided with a liquid inlet, and the liquid inlet and the liquid outlet are respectively communicated with a plurality of heat transfer tubes (2); heat preservation shell (4), which is fixedly connected to the outer peripheral wall of the heat transfer box (1), and has a water inlet end and a water outlet end; the outer wall surface of the heat transfer box (1) is respectively provided with diversion holes (19) corresponding to the water inlet end and the water outlet end, wherein the diversion holes (19) close to the water inlet end are arranged at the bottom of the heat transfer box (1); and driving part, wherein the driving part is arranged on the heat transfer box (1), and the output end of the driving part extends into the heat transfer box (1) and is in transmission connection with the limit plate (3).
2. The heat transfer device for waste heat recovery of industrial wastewater according to claim 1, wherein the limit plate (3) is arranged at the top of the heat transfer box (1), the inner wall surface of the heat transfer box (1) is provided with a groove, a slider (6) is fixedly connected in the groove, the slider (6) is provided with a limit groove corresponding to the limit plate (3), the limit plate (3) is in sliding contact with the slider (6), the inner bottom of the heat transfer box (1) is connected with a rotating seat (5), one end of the heat transfer tube (2) far from the limit plate (3) is fixedly connected with the rotating seat (5), and two ends of the heat transfer tube (2) respectively penetrate through the limit plate (3) and the rotating seat (5).
3. The heat transfer device for waste heat recovery of industrial wastewatét/503841 according to claim 2, wherein a gap is formed between the top end of the limit plate (3) and the liquid inlet, and a guide groove is formed at the bottom end of the heat transfer box (1) corresponding to the rotating seat (5), wherein the guide groove has an inverted cone structure, the liquid outlet is positioned at the bottom end of the guide groove and communicated with the guide groove, the bottom end of the rotating seat (5) is fixedly connected with a ball (7), and the ball (7) is in sliding contact with the inner wall surface of the guide groove.
4. The heat transfer device for waste heat recovery of industrial wastewater according to claim 3, wherein a sealing ring (8) is fixedly connected to the inner wall surface of the heat transfer box (1) corresponding to the rotating seat (5), and one side of the sealing ring (8) close to the rotating seat (5) is in sliding contact with the rotating seat
(5).
5. The heat transfer device for waste heat recovery of industrial wastewater according to claim 1, wherein the driving part comprises a driving motor (9) fixedly connected to the top side of the heat transfer box (1), the output shaft of the driving motor (9) is fixedly connected with a worm (10) through a coupling (18), the worm (10) is meshed with a worm gear (11), the axis of the worm gear (11) is fixedly connected with a rotating rod (12), and one end of the rotating rod (12) extends into the heat transfer box (1) and is fixedly connected with the limit plate (3).
6. The heat transfer device for waste heat recovery of industrial wastewatét/503841 according to claim 1, wherein the heat preservation shell (4) comprises an outer shell (42) and an inner shell (41), a vacuum layer is arranged between the outer shell (42) and the inner shell (41), the water inlet end comprises a water inlet pipe (20) fixedly connected to the top end of the outer shell (42), one end of the water inlet pipe (20) extends into the inner shell (41), the water outlet end comprises a water outlet pipe (21) fixedly connected to the bottom of the outer shell (42), one end of the water outlet pipe (21) extends into the inner shell (41), and valves (22) are arranged on both the water inlet pipe (20) and the water outlet pipe (21).
7. The heat transfer device for waste heat recovery of industrial wastewater according to claim 1, wherein a liquid inlet pipe (13) is fixedly connected in the liquid inlet, a connector is arranged on one side of the outer wall surface of the liquid inlet pipe (13), one end of the connector extends into the liquid inlet pipe (13) and is fixedly connected with a filter screen (14), and the filter screen (14) is detachably connected with the liquid inlet pipe (13).
8. The heat transfer device for waste heat recovery of industrial wastewater according to claim 7, wherein the connector comprises a mounting seat (15), two sides of the mounting seat (15) are fixedly connected with retaining rings (16), a bolt (17) is slidably connected in the retaining ring (16), and one side of the bolt (17) close to the liquid inlet pipe (13) is connected with the liquid inlet pipe (13).
LU503841A 2023-04-03 2023-04-03 Heat transfer device for waste heat recovery of industrial wastewater LU503841B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
LU503841A LU503841B1 (en) 2023-04-03 2023-04-03 Heat transfer device for waste heat recovery of industrial wastewater

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
LU503841A LU503841B1 (en) 2023-04-03 2023-04-03 Heat transfer device for waste heat recovery of industrial wastewater

Publications (1)

Publication Number Publication Date
LU503841B1 true LU503841B1 (en) 2023-10-03

Family

ID=88244291

Family Applications (1)

Application Number Title Priority Date Filing Date
LU503841A LU503841B1 (en) 2023-04-03 2023-04-03 Heat transfer device for waste heat recovery of industrial wastewater

Country Status (1)

Country Link
LU (1) LU503841B1 (en)

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Effective date: 20231003