CN216347083U - Novel rewarming equipment - Google Patents

Novel rewarming equipment Download PDF

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Publication number
CN216347083U
CN216347083U CN202122657715.2U CN202122657715U CN216347083U CN 216347083 U CN216347083 U CN 216347083U CN 202122657715 U CN202122657715 U CN 202122657715U CN 216347083 U CN216347083 U CN 216347083U
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China
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heat exchanger
heat
novel
rewarming
header pipe
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CN202122657715.2U
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Chinese (zh)
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蒋英明
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Anhui Pupan Energy Technology Co ltd
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Anhui Pupan Energy Technology Co ltd
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Abstract

The utility model relates to novel rewarming equipment, which belongs to the field of absorption refrigeration and heat pumps and comprises a shell, a heat exchanger and a refrigerant coil, wherein the heat exchanger is positioned at the bottom end inside the shell, the refrigerant coil is positioned above the heat exchanger, a water inlet header pipe is arranged at the water inlet end of the refrigerant coil, a water outlet header pipe is arranged at the water outlet end of the refrigerant coil, a heat source inlet header pipe is arranged at the water inlet end of the heat exchanger, a heat source collecting header pipe is arranged at the water outlet end of the heat exchanger, and the other end of the heat source collecting header pipe is positioned at the position, close to the upper end, of the outer wall of the shell and communicated with the inside of the shell. The utility model solves the harsh requirements of the shell-and-tube heat exchanger material and structure due to large temperature difference of cold and hot media, replaces electric energy by low-grade heat energy for the energy of the composite temperature refrigerant medium, deeply utilizes the low-grade heat energy and saves electricity consumption, thereby having higher economic value.

Description

Novel rewarming equipment
Technical Field
The utility model belongs to the field of absorption refrigeration and heat pumps, and particularly relates to novel rewarming equipment.
Background
At present, when a heat source medium with a high temperature (100 ℃ and above) and a cold medium with a low temperature (20 ℃ and below) are directly exchanged heat through a shell-and-tube heat exchanger, the requirements on the material and the structure of the shell-and-tube heat exchanger are strict due to a large temperature difference of the cold medium and the hot medium, so that the cost of the shell-and-tube heat exchanger is overhigh. In the experimental stage of research in the field of absorption refrigeration and heat pump, it is often necessary to rewarming the refrigerant medium at low temperature (-20 ℃ and below) in order to recycle it in the system. The traditional rewarming mode is to adopt electric heating of intermediate medium water and then water heating of refrigerant medium, belonging to two-stage heat exchange. The electric energy consumption of the experiment is increased by the method, and the cost of the experiment is increased. The heat source medium from the absorption type refrigeration and heat pump system is still driven to have certain heat energy (the temperature is about 100 ℃), the heat energy of the part can replace the electric energy used by the re-warming refrigerant medium, and the heat pump system has higher economic value for improving the deep utilization of energy and saving the power consumption. Therefore, a novel rewarming device is proposed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems and provide novel rewarming equipment which is simple in structure and reasonable in design.
The utility model realizes the purpose through the following technical scheme:
the utility model provides a novel rewarming equipment, includes casing, heat exchanger, refrigerant coil pipe, the heat exchanger is located the inside bottom of casing, the refrigerant coil pipe is located the heat exchanger top, the end of intaking of refrigerant coil pipe is equipped with water inlet header pipe, and it is equipped with out water header pipe to go out the water end, the end of intaking of heat exchanger is equipped with heat source inlet header pipe, and it is equipped with the heat source and collects the house steward to go out the water end, the other end that the house steward was collected to the heat source is located the casing outer wall and is close to upper end position department and communicate inside the casing.
As a further optimization scheme of the utility model, the upper half part of the shell is provided with an upper liquid level meter port, an upper temperature measuring port and a water replenishing port, and the lower half part of the shell is provided with a lower liquid level meter port, a lower temperature measuring port and a drain port.
As a further optimized scheme of the utility model, the shell is of a vertical cylindrical structure with a flat bottom and an opening.
As a further optimization scheme of the utility model, the number of the heat exchangers is three, and the heat exchangers are U-shaped heat exchangers.
As a further optimized scheme of the utility model, the U-shaped heat exchanger is fixed on the bottom end in the shell through a support frame.
As a further optimization scheme of the utility model, the U-shaped heat exchanger comprises a U-shaped pipe and a pipe box, the U-shaped pipe and the pipe box are fixed through an inner pipe plate and an outer pipe plate, the upper end cavity of the pipe box is connected with a heat source inlet main pipe, the lower end cavity of the pipe box is connected with a heat source collecting main pipe, and the U-shaped pipe is fixed on a support frame in the shell through a baffle plate.
As a further optimization scheme of the utility model, the refrigerant coil pipe is supported and fixed on two cross beams in the shell through a pipe frame.
The utility model has the beneficial effects that:
1. the harsh requirements on the shell-and-tube heat exchanger material and structure due to large temperature difference of cold and hot media are met.
2. The energy of the re-temperature refrigerant medium is replaced by low-grade heat energy, the low-grade heat energy is deeply utilized, and the economic value of saving power consumption is higher.
3. The temperature of the refrigerant after being reheated can be dual regulated by controlling the flow rate of the heat source entering the U-shaped heat exchanger and the water level in the shell, and the flow rate and the water level are regulated simultaneously, so that the regulation precision is high.
4. Two devices for secondary heat exchange in the traditional rewarming system are combined into one, so that the cost of the devices is reduced, and the occupied area of the rewarming system is reduced.
Drawings
FIG. 1 is a schematic front view of a novel rewarming device of the present invention;
FIG. 2 is a schematic diagram of a side view of a novel rewarming device of the present invention.
In the figure: 1. a housing; 2. a heat exchanger; 3. a refrigerant coil pipe; 4. a heat source inlet manifold; 5. a heat source collection header pipe; 6. a water inlet header pipe; 7. a water outlet header pipe; 8. an upper level gauge port; 9. an upper temperature measuring port; 10. a water replenishing port; 11. a lower level gauge port; 12. a lower temperature measuring port; 13. a discharge port; 14. a cross beam; 15. a support frame; 16. a pipe box; 17. a U-shaped pipe; 18. and (7) a baffle plate.
Detailed Description
The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.
As shown in fig. 1-2, the novel rewarming device in this embodiment includes a housing 1, heat exchangers 2, and a refrigerant coil 3, where the housing 1 is a vertical, flat-bottomed, open cylindrical structure, three sets of U-shaped heat exchangers 2 are inserted into the bottom end side inside the housing 1, a heat source medium from a driving absorption refrigeration and heat pump system is distributed into the three sets of U-shaped heat exchangers 2 through a heat source inlet header 4, the heat source medium heats water in the housing 1 through the U-shaped heat exchangers 2, the heat source medium after heat exchange flows back into the housing 1 from the position near the upper end of the outer wall of the housing 1 through a heat source collecting header 5, the refrigerant coil 3 is detachably mounted and fixed on two beams 14 in the housing 1 through pipe racks, the refrigerant coil 3 is located above the heat exchangers 2, a water inlet header 6 is disposed at a water inlet end of the refrigerant coil 3, a water outlet header 7 is disposed at a water outlet end, the refrigerant enters from the water inlet header 6 and is distributed into the refrigerant coil 3, after heat exchange is carried out between the refrigerant coil 3 and hot water in the shell 1, the hot water flows out of the water outlet header pipe 7.
The upper half part of the shell 1 is provided with an upper liquid level meter port 8, an upper temperature measuring port 9 and a water replenishing port 10, the lower half part of the shell 1 is provided with a lower liquid level meter port 11, a lower temperature measuring port 12 and a drain port 13, and the temperature of the refrigerant after being reheated is accurately regulated and controlled by controlling the flow rate of the heat source entering the U-shaped heat exchanger 2 and the water level in the shell 1.
U type heat exchanger 2 passes through support frame 15 to be fixed on the inside bottom of casing 1, U type heat exchanger 2 includes U type pipe 17 and pipe case 16, it is fixed through inside and outside double-tube board between U type pipe 17 and the pipe case 16, U type pipe 17 tube bank can be dismantled, the later stage is overhauld and is maintained conveniently, heat source inlet manifold 4 is connected to the upper end cavity of pipe case 16, heat source collecting manifold 5 is connected to the lower extreme cavity of pipe case 16, U type pipe 17 passes through baffling board 18 to be fixed on support frame 15 inside casing 1.
The working principle is as follows: a heat source medium coming out of a driving absorption type refrigeration and heat pump system is distributed into three groups of U-shaped heat exchangers 2 through a heat source inlet header pipe 4, the heat source medium heats water in a shell 1 when passing through a U-shaped pipe 17, the heat source medium after heat exchange flows back into the shell 1 through a heat source collecting header pipe 5, a refrigerant coil pipe 3 is located inside the shell 1, a refrigerant medium enters from a water inlet header pipe 6 and is distributed into the refrigerant coil pipe 3, the refrigerant medium exchanges heat with hot water in the shell 1 through the refrigerant coil pipe 3 and then flows out from a water outlet header pipe 7.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.

Claims (7)

1. The utility model provides a novel rewarming equipment, its characterized in that, includes casing, heat exchanger, refrigerant coil pipe, the heat exchanger is located the inside bottom of casing, the refrigerant coil pipe is located the heat exchanger top, the end of intaking of refrigerant coil pipe is equipped with into water header pipe, and the water outlet end is equipped with out water header pipe, the end of intaking of heat exchanger is equipped with heat source inlet header pipe, and the water outlet end is equipped with the heat source and collects the house steward, the other end that the house steward was collected to the heat source is located the casing outer wall and is close to upper end position department and communicate inside the casing.
2. The novel rewarming device of claim 1, wherein the upper half of the housing is provided with an upper liquid level meter port, an upper temperature measuring port and a water replenishing port, and the lower half of the housing is provided with a lower liquid level meter port, a lower temperature measuring port and a drain port.
3. The novel rewarming apparatus of claim 1 wherein said housing is a vertical, open-bottomed cylinder.
4. The novel rewarming device of claim 1, wherein the number of the heat exchangers is three, and the heat exchangers are U-shaped heat exchangers.
5. The novel rewarming apparatus of claim 4, wherein the U-shaped heat exchanger is fixed to the bottom end of the inside of the casing through a support frame.
6. The novel rewarming device of claim 5, wherein the U-shaped heat exchanger comprises a tube box, a U-shaped tube and a tube box, the U-shaped tube and the tube box are fixed through an inner tube plate and an outer tube plate, an upper end cavity of the tube box is connected with a heat source inlet header pipe, a lower end cavity of the tube box is connected with a heat source collecting header pipe, and the U-shaped tube is fixed on a support frame inside the shell through a baffle plate.
7. A novel rewarming apparatus according to claim 1, wherein the refrigerant coil is supported and fixed on two beams in the casing by a pipe frame.
CN202122657715.2U 2021-11-02 2021-11-02 Novel rewarming equipment Active CN216347083U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122657715.2U CN216347083U (en) 2021-11-02 2021-11-02 Novel rewarming equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122657715.2U CN216347083U (en) 2021-11-02 2021-11-02 Novel rewarming equipment

Publications (1)

Publication Number Publication Date
CN216347083U true CN216347083U (en) 2022-04-19

Family

ID=81132946

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122657715.2U Active CN216347083U (en) 2021-11-02 2021-11-02 Novel rewarming equipment

Country Status (1)

Country Link
CN (1) CN216347083U (en)

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