CN215490436U - Spray device of absorption heat pump evaporation system - Google Patents
Spray device of absorption heat pump evaporation system Download PDFInfo
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- CN215490436U CN215490436U CN202121430449.3U CN202121430449U CN215490436U CN 215490436 U CN215490436 U CN 215490436U CN 202121430449 U CN202121430449 U CN 202121430449U CN 215490436 U CN215490436 U CN 215490436U
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Abstract
The utility model provides a spray device of an evaporation system of an absorption heat pump, which can realize the uniform distribution of fluid in the span of the whole heat exchange tube and effectively improve the heat exchange efficiency in an evaporator so as to improve the efficiency of the whole heat pump Fluid rebounds and splashes, and therefore heat exchange efficiency of the evaporator and overall performance of the heat pump are improved.
Description
Technical Field
The utility model relates to the field of low-temperature waste heat utilization and refrigeration, in particular to a spraying device of an evaporation system of an absorption heat pump.
Background
The lithium bromide absorption heat pump has main parts including evaporator, absorber, generator and condenser.
The evaporator is used for spraying liquid refrigerant water from the condenser on the outer surface of the evaporator tube bundle through the evaporator spraying device, and the refrigerant water is vaporized to absorb the heat of refrigerant water in the evaporator tube bundle so as to cool the evaporator tube bundle, thereby achieving the refrigeration effect.
Among the above-mentioned evaporimeter, the traditional spray set who adopts generally comprises feed liquor pipe case and shower nest of tubes, and is little because of heat exchange tube bank heat exchange tube clearance, and current spray set hardly will spray solution evenly distributed to whole heat exchange tube span to there are rivers impact pipe wall bounce-back, rivers distribute unevenly, easily form phenomenons such as blind spot at feed liquor pipe tip and take place, and then lead to the absorber heat transfer ability to reduce, influence the whole heat exchange efficiency of heat pump.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems that the existing spraying device is difficult to uniformly distribute spraying solution to the span of the whole heat exchange tube, the phenomena of water flow impact tube wall rebound and uneven water flow distribution exist, dead zones are easy to form at the end part of a liquid inlet tube, the heat exchange capacity of an absorber is reduced, and the overall heat exchange efficiency of a heat pump is influenced, and further provides a spraying device of an evaporation system of an absorption heat pump;
a spray device of an evaporation system of an absorption heat pump is formed by sequentially connecting a plurality of spray components end to end, and two adjacent spray components are communicated;
the spraying assembly comprises a liquid inlet distribution pipe, a liquid inlet pipe and two spraying groups, each spraying group comprises a plurality of spraying units, one end of the liquid inlet pipe is communicated with the outer circular surface of the liquid inlet distribution pipe, the first spraying group is arranged on the same side of the liquid inlet pipe, the plurality of spraying units in the first spraying group are sequentially arranged on the outer circular surface of the liquid inlet distribution pipe at equal intervals along the axial extension direction of the liquid inlet distribution pipe, the water inlet end of each spraying unit in the first spraying group is communicated with the liquid inlet distribution pipe, the second spraying group is arranged on the opposite side of the liquid inlet pipe, the plurality of spraying units in the second spraying group are sequentially arranged at equal intervals along the axial extension direction of the liquid inlet distribution pipe, and the water inlet end of each spraying unit in the second spraying group is communicated with the liquid inlet distribution pipe;
furthermore, a liquid inlet pipe orifice is processed on one side of the liquid inlet distribution pipe, a plurality of spraying unit connecting holes are respectively processed on two sides of the liquid inlet pipe orifice, a plurality of spraying unit connecting holes are also processed on the opposite side of the liquid inlet pipe orifice, and each spraying unit connecting hole is arranged corresponding to one spraying pipe unit;
furthermore, the liquid inlet pipe comprises a drainage pipe section, a vertical pipe section and a water inlet pipe section, the drainage pipe section and the water inlet pipe section are arranged on two sides of the vertical pipe section, one end of the drainage pipe section is inserted into the liquid inlet pipe opening, the drainage pipe section is communicated with the liquid inlet distribution pipe, one end of the drainage pipe section is communicated with the upper part of the vertical pipe section, one end of the water inlet pipe section is communicated with the lower part of the vertical pipe section, and one end of the water inlet pipe section is a spraying liquid inlet;
furthermore, the drainage pipe section and the water inlet pipe section are arranged in parallel;
further, the spraying unit comprises a spraying pipe, an end baffle and N spraying heads, wherein N is a positive integer; one end of the spray pipe is inserted into a spray unit connecting hole, the spray pipe is communicated with the liquid inlet distribution pipe, the other end of the spray pipe is provided with an end baffle, the end baffle is welded and fixed with the spray pipe, the N spray heads are arranged below the spray pipe at equal intervals along the axial extension direction of the spray pipe, and each spray head is communicated with the spray pipe;
furthermore, the spray pipe is a square pipe, and the spray unit connecting hole is a square through hole;
furthermore, the number N of the spray headers ranges from 2 to 4.
Compared with the prior art, the utility model has the following beneficial effects:
1. the spraying device of the absorption heat pump evaporation system provided by the utility model can realize uniform distribution of fluid in the whole heat exchange tube span, can effectively improve the heat exchange efficiency in the evaporator, and further improves the whole heat pump efficiency.
2. The spraying device of the absorption heat pump evaporation system provided by the utility model is simple in structure and convenient to install, and can effectively improve fluid distribution and eliminate dead zones at the end parts by oppositely arranging the plurality of spraying units.
3. According to the spray device of the absorption heat pump evaporation system, provided by the utility model, through the sectional design of the liquid inlet pipe and the dispersed arrangement of the multiple spray units, the phenomena of water flow impact, fluid rebound and splashing can be effectively reduced, and the heat exchange efficiency of the evaporator and the overall performance of a heat pump are further improved.
Drawings
FIG. 1 is an isometric view of the present invention;
FIG. 2 is an isometric view of the spray assembly of the present invention;
FIG. 3 is a top view of the spray assembly of the present invention;
FIG. 4 is a front view of the spray assembly of the present invention;
FIG. 5 is a front view of the liquid inlet distribution pipe of the present invention;
FIG. 6 is an isometric view of a spray unit of the present invention;
in the figure: the device comprises a liquid inlet distribution pipe 1, a liquid inlet pipe 11, a spraying unit connecting hole 12, a liquid inlet pipe 2, a drainage pipe 21, a vertical pipe 22, a water inlet pipe 23, a spraying unit 3, a spraying pipe 31, an end baffle 32 and a spraying head 33.
Detailed Description
The first embodiment is as follows: the embodiment is described with reference to fig. 1 to 6, and provides a spray device of an absorption heat pump evaporation system, wherein the spray device is formed by sequentially connecting a plurality of spray assemblies end to end, and two adjacent spray assemblies are communicated;
the spray set includes feed liquor distribution pipe 1, feed liquor pipe 2 and two spray groups, every sprays including a plurality of spray unit 3 in the group, the one end of feed liquor pipe 2 sets up with the outer disc intercommunication of feed liquor distribution pipe 1, first spray the homonymy that the group set up at feed liquor pipe 2, and a plurality of spray unit 3 in the first spray group set up on the outer disc of feed liquor distribution pipe 1 along the axis extending direction of feed liquor distribution pipe 1 equidistance in proper order, and the first end of intaking of every spray unit 3 in spraying the group sets up with 1 intercommunication of feed liquor distribution pipe, the second sprays the offside that the group set up at feed liquor pipe 2, and a plurality of spray unit 3 in the second spray the group set up along the axis extending direction of feed liquor distribution pipe 1 equidistance in proper order, and the second sprays the end of intaking of every spray unit 3 in the group and feeds through with 1 intercommunication of feed liquor distribution pipe to set up.
The embodiment provides a spraying device of an evaporation system of an absorption heat pump, which can realize the uniform distribution of fluid among the span of the whole heat exchange tube, effectively improve the heat exchange efficiency in an evaporator and further improve the efficiency of the whole heat pump, and can be widely used in the fields of low-temperature waste heat utilization, refrigeration and the like.
The second embodiment is as follows: the present embodiment is described with reference to fig. 1 to 6, and is further limited to the liquid inlet distribution pipe 1 according to the first embodiment, in the present embodiment, a liquid inlet pipe orifice 11 is processed on one side of the liquid inlet distribution pipe 1, a plurality of spraying unit connection holes 12 are processed on two sides of the liquid inlet pipe orifice 11 respectively, a plurality of spraying unit connection holes 12 are processed on the opposite side of the liquid inlet pipe orifice 11, and each spraying unit connection hole 12 corresponds to one spraying pipe unit 3. Other components and connection modes are the same as those of the first embodiment.
In the embodiment, the liquid inlet distribution pipe 1 is designed in a mode of opening multiple diversion holes on two sides, and the size and the number of the openings are optimally designed according to the liquid inlet quantity of the evaporator. The flow velocity of fluid entering the system can be effectively buffered by adopting a multi-opening design, so that the liquid can uniformly enter the spraying unit 3.
The third concrete implementation mode: referring to fig. 1 to 6, the present embodiment is described, and the present embodiment further defines the liquid inlet pipe 2 according to the second embodiment, in the present embodiment, the liquid inlet pipe 2 includes a drainage pipe section 21, a vertical pipe section 22 and a water inlet pipe section 23, the drainage pipe section 21 and the water inlet pipe section 23 are disposed at two sides of the vertical pipe section 22, one end of the drainage pipe section 21 is inserted into the liquid inlet pipe orifice 11, the drainage pipe section 21 is disposed in communication with the liquid inlet distribution pipe 1, one end of the drainage pipe section 21 is disposed in communication with an upper portion of the vertical pipe section 22, one end of the water inlet pipe section 23 is disposed in communication with a lower portion of the vertical pipe section 22, and one end of the water inlet pipe section 23 is a spray liquid inlet. The other components and the connection mode are the same as those of the second embodiment.
By the arrangement, the phenomena of water flow impact, fluid rebound and liquid splashing can be effectively reduced.
The fourth concrete implementation mode: the present embodiment will be described with reference to fig. 1 to 6, and the present embodiment further defines the drain pipe section 21 and the inlet pipe section 23 according to the fourth embodiment, and in the present embodiment, the drain pipe section 21 and the inlet pipe section 23 are arranged in parallel. Other components and connection modes are the same as those of the third embodiment.
The fifth concrete implementation mode: the present embodiment is described with reference to fig. 1 to 6, and the present embodiment further defines the shower unit 3 according to the fourth embodiment, in the present embodiment, the shower unit 3 includes a shower pipe 31, an end baffle 32, and N shower heads 33, where N is a positive integer; one end of the spray pipe 31 is inserted into one spray unit connecting hole 12, the spray pipe 31 is communicated with the liquid inlet distribution pipe 1, the other end of the spray pipe 31 is provided with an end baffle 32, the end baffle 32 is fixedly welded with the spray pipe 31, the N spray heads 33 are equidistantly arranged below the spray pipe 31 along the axial extension direction of the spray pipe 31, and each spray head 33 is communicated with the spray pipe 31. The other components and the connection mode are the same as those of the fourth embodiment.
In the embodiment, the design of the multiple spray heads 33 is adopted, so that the refrigerant water entering the evaporator can be effectively ensured to be in full contact with the heat exchange tube bundle in the evaporator for heat exchange, and the overall heat exchange efficiency of the evaporator is improved.
The sixth specific implementation mode: the present embodiment will be described with reference to fig. 1 to 6, and the present embodiment further defines the shower pipe 31 according to the fifth embodiment, in which the shower pipe 31 is a square pipe and the shower unit connection hole 12 is a square through hole. The other components and the connection mode are the same as the fifth embodiment mode.
The seventh embodiment: the present embodiment will be described with reference to fig. 1 to 6, and the present embodiment further defines the shower head 33 according to the sixth embodiment, and in the present embodiment, the number N of the shower heads 33 is in the range of 2 to 4. Other components and connection modes are the same as those of the sixth embodiment.
The present invention is not limited to the above embodiments, and any person skilled in the art can make many modifications and equivalent embodiments by using the above disclosed structures and technical contents without departing from the technical scope of the present invention.
Principle of operation
When the liquid spraying device works, liquid is firstly introduced into the spraying assembly through one end of the water inlet pipe section 23 in the liquid inlet pipe 2, the liquid enters the liquid inlet distribution pipe 1 along the water inlet pipe section 23 through the vertical pipe section 22 and the water discharge pipe section 21, and is distributed to the spraying pipes 31 in the spraying units 3 in the liquid inlet distribution pipe 1, and the liquid is sprayed through the plurality of spraying heads 33 below the spraying pipes 31, so that the spraying action is realized.
Claims (7)
1. The utility model provides an absorption heat pump vaporization system spray set which characterized in that: the spraying device is formed by sequentially connecting a plurality of spraying components end to end, and two adjacent spraying components are communicated;
the spraying assembly comprises a liquid inlet distribution pipe (1), a liquid inlet pipe (2) and two spraying groups, each spraying group comprises a plurality of spraying units (3), one end of the liquid inlet pipe (2) is communicated with the outer circular surface of the liquid inlet distribution pipe (1), the first spraying group is arranged at the same side of the liquid inlet pipe (2), and a plurality of spraying units (3) in the first spraying group are sequentially arranged on the outer circular surface of the liquid inlet distribution pipe (1) at equal intervals along the axial extension direction of the liquid inlet distribution pipe (1), the water inlet end of each spray pipe unit (3) in the first spray group is communicated with the liquid inlet distribution pipe (1), the second spray group is arranged at the opposite side of the liquid inlet pipe (2), and a plurality of spraying units (3) in the second spraying group are sequentially arranged at equal intervals along the axial extension direction of the liquid inlet distribution pipe (1), and the water inlet end of each spray pipe unit (3) in the second spray group is communicated with the liquid inlet distribution pipe (1).
2. The absorption heat pump evaporation system spray set of claim 1, wherein: one side processing that feed liquor distributing pipe (1) includes has liquid inlet pipe mouth (11), and the both sides of liquid inlet pipe mouth (11) are processed respectively and are had a plurality of unit connecting holes (12) that spray, and the offside of liquid inlet pipe mouth (11) also is processed and has a plurality of unit connecting holes (12) that spray, and every sprays unit connecting hole (12) and corresponds the setting with a shower unit (3).
3. The absorption heat pump evaporation system spray set of claim 2, wherein: the liquid inlet pipe (2) comprises a drainage pipe section (21), a vertical pipe section (22) and a water inlet pipe section (23), the drainage pipe section (21) and the water inlet pipe section (23) are arranged on two sides of the vertical pipe section (22), one end of the drainage pipe section (21) is inserted into the liquid inlet pipe opening (11), the drainage pipe section (21) is communicated with the liquid inlet distribution pipe (1), one end of the drainage pipe section (21) is communicated with the upper portion of the vertical pipe section (22), one end of the water inlet pipe section (23) is communicated with the lower portion of the vertical pipe section (22), and one end of the water inlet pipe section (23) is a spraying liquid inlet.
4. The absorption heat pump evaporation system spray set of claim 3, wherein: the drainage pipe section (21) and the water inlet pipe section (23) are arranged in parallel.
5. The absorption heat pump evaporation system spray set of claim 4, wherein: the spraying unit (3) comprises a spraying pipe (31), an end baffle (32) and N spraying heads (33), wherein N is a positive integer; one end cartridge of shower (31) is in one spray unit connecting hole (12), and shower (31) and feed liquor distribution pipe (1) intercommunication setting, the other end of shower (31) is equipped with tip baffle (32), and tip baffle (32) and shower (31) welded fastening, and N shower (33) set up in the below of shower (31) along the axis extending direction equidistance of shower (31), and every shower (33) and shower (31) intercommunication setting.
6. The absorption heat pump evaporation system spray set of claim 5, wherein: the spray pipe (31) is a square pipe, and the spray unit connecting holes (12) are square through holes.
7. The absorption heat pump evaporation system spray set of claim 6, wherein: the number N of the spray headers (33) ranges from 2 to 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121430449.3U CN215490436U (en) | 2021-06-25 | 2021-06-25 | Spray device of absorption heat pump evaporation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121430449.3U CN215490436U (en) | 2021-06-25 | 2021-06-25 | Spray device of absorption heat pump evaporation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215490436U true CN215490436U (en) | 2022-01-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121430449.3U Active CN215490436U (en) | 2021-06-25 | 2021-06-25 | Spray device of absorption heat pump evaporation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215490436U (en) |
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2021
- 2021-06-25 CN CN202121430449.3U patent/CN215490436U/en active Active
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