CN208332756U - A kind of injection climbing film evaporator and its refrigeration system - Google Patents
A kind of injection climbing film evaporator and its refrigeration system Download PDFInfo
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- CN208332756U CN208332756U CN201820733681.6U CN201820733681U CN208332756U CN 208332756 U CN208332756 U CN 208332756U CN 201820733681 U CN201820733681 U CN 201820733681U CN 208332756 U CN208332756 U CN 208332756U
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Abstract
The utility model discloses injection climbing film evaporator and its refrigeration system.The injection climbing film evaporator includes cylinder of the both ends with end socket, there is liquid barrier of the surface with stomata between two tube sheets in cylinder, it is parallel with tubular axis to keep off liquid, heat transfer zone and injection area will be divided into the axial direction in cylinder, axially there are multiple heat exchanger tubes along cylinder between two tube sheets in heat transfer zone, heat exchanger tube both ends are in tube sheet pore, the barrel that cylinder corresponds to injection area connects the ejector pipe connecting with gas ejector mixing section, and the mixing section of gas ejector connects the main fluid pipe connecting with condensator outlet；Space between one end socket and tube sheet forms refrigerating medium by the partition axially arranged and enters chamber and discharge chamber, and the tube wall that heat transfer zone correspond on cylinder connects and the liquid supply pipe, the fuel sucking pipe that communicate inside heat transfer zone.The utility model injector injection can be such that refrigerant gas entrained liquids rise, and form liquid film by heat exchange pipe surface, improve and conduct heat between refrigerant and refrigerating medium inside and outside heat exchanger tube.
Description
Technical field
The utility model relates to a kind of injection climbing film evaporator and its refrigeration systems.
Background technique
In refrigeration systems, the refrigerant liquid of low-temp low-pressure is in evaporator interior suction thermal evaporation, dry evaporator refrigerant
It walks in pipe, evaporator outlet is easy to happen dry-out；Between flooded evaporator refrigerant walks the package outside heat exchanger tube, refrigerant
The filling quantity of liquid is big, and oil return is difficult.
Utility model content
The purpose of this utility model is to provide that a kind of heat transfer efficiency is high to be drawn for technological deficiency existing in the prior art
Climbing film evaporator and its refrigeration system are penetrated, with the heat transfer efficiency of enhanced water evaporation device, reduces the filling quantity of refrigerant, guarantees refrigeration pressure
Contracting machine oil return, improves the thermal performance of refrigeration system.
The technical scheme adopted by the utility model to solve the technical problem is as follows:
A kind of injection climbing film evaporator has the cylinder of end socket including both ends, is oppositely arranged two tube sheets in the cylinder,
The liquid barrier that surface has several stomatas is installed, the axis of the gear liquid and the cylinder is flat between two tube sheets
The inner barrel, is divided into the heat transfer zone of large space and the injection area in small space by row in the axial direction, in the heat transfer zone
Along the axially mounted heat exchanger tube for being provided with multiple parallel arrangements of cylinder, the both ends of the heat exchanger tube between two tube sheets
In the pore on the tube sheet, the cylinder, which corresponds to, to be connected on the barrel in the injection area for mixed with gas ejector
The ejector pipe that section is connected is closed, the mixing section of the gas ejector connects the main fluid for being connected with condensator outlet
Pipe；One end socket is formed with entering chamber and being discharged for refrigerating medium by the partition axially arranged with the space between corresponding tube sheet
Refrigerating medium is introduced into heat exchanger tube and is discharged with after the refrigerant liquid heat exchange outside heat exchanger tube by chamber, corresponding on the cylinder
Be connected on the tube wall of the heat transfer zone communicated with inside the heat transfer zone for introducing refrigerant liquid after reducing pressure by regulating flow
Liquid supply pipe and for the fuel sucking pipe being discharged in compressor to be sucked out in the lubricating oil on refrigerant liquid surface.
The edge of the tube sheet is connect with barrel soldering, the side edge welding of the end socket and cylinder.
The edge of the liquid barrier is connect with the tube sheet and barrel soldering respectively.
The refrigerating medium respectively and is mounted on into chamber and discharge chamber and forms the entrance of the refrigerating medium with corresponding tube sheet
Chamber is connected with the inlet pipe of the refrigerating medium on the end socket of discharge chamber with outlet pipe.
The liquid supply pipe, ejector pipe are arranged symmetrically in middle part on cylinder.
The purpose of this utility model, which also resides in, provides a kind of refrigeration system, including condenser, refrigeration compressor, oily injection
Device, gas-liquid separator, reducing pressure by regulating flow element, climbing film evaporator；The climbing film evaporator uses the injection climbing film evaporator；
The outlet of the refrigeration compressor is divided into two-way, connect all the way with the entrance of condenser, all the way with oily injector
The connection of main fluid entrance, the outlet of condenser and the main fluid entrance of gas ejector connect, and the diffuser of gas ejector goes out
Mouthful connect with the entrance of gas-liquid separator, after the gas vent of gas-liquid separator is in parallel with the oil diffuser outlet of injector with system
The entrance of cold compressor connects；The liquid outlet of gas-liquid separator connects through the liquid supply pipe of throttling voltage drop element and climbing film evaporator
It connects, the gas vent of climbing film evaporator and the driving fluid entrance of gas ejector connect, the fuel sucking pipe outlet of climbing film evaporator
It is connect with the injection entrance of oily injector.
The utility model injection climbing film evaporator can be made in refrigerant gas entrained liquids using injector ejector action
It rises, by the pipe surface that exchanges heat, forms liquid film, improve the heat transfer inside and outside heat exchanger tube between refrigerant and refrigerating medium, improve evaporating temperature；
After its refrigeration system, it can be effectively reduced the pressure ratio of refrigeration compressor, power consumption is reduced, improve the property of refrigeration system
Can, while using the lubricating oil of oily injector injection climbing film evaporator inner refrigerant liquid level, guarantee the oil return of refrigeration compressor, ties
Structure is simple, economizes on resources.
Detailed description of the invention
Fig. 1 show the structural schematic diagram of the injection climbing film evaporator of the utility model；
Fig. 2 show the sectional view along A-A of Fig. 1；
Fig. 3 is the schematic diagram of the refrigeration system with injection climbing film evaporator.
Specific embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
As shown in Figs. 1-2, a kind of injection climbing film evaporator, including gas ejector 1, main fluid pipe 2, ejector pipe 3, right pipe
Plate 4, right end socket 5, heat exchanger tube 6, liquid supply pipe 7, cylinder 8, left head 9, refrigerating medium inlet pipe 10, end socket demarcation plate 11, refrigerating medium go out
Pipe 12, left tube sheet 13, liquid barrier 14, fuel sucking pipe 15.
The gas ejector 1 is made of mixing section, diffuser, and the outlet of main fluid pipe 2 is equipped with nozzle in mixing section, is mixed
It closes section and opens up corresponding aperture with one end junction of ejector pipe 3, the outlet of the entrance and condenser of main fluid pipe 2 connects, draws
It penetrates the corresponding aperture at middle part on the other end insertion cylinder 8 of pipe 3 and is welded to connect；
Heat exchanger tube 6, left tube sheet 13 and right tube plate are penetrated in the pore that the left tube sheet 13 and 4 corresponding position of right tube plate open up
4 edge is welded to connect with cylinder 8 respectively, and the top of heat exchanger tube is in axial direction equipped with liquid barrier 14, liquid barrier 14 in cylinder 8
On be uniformly provided with multiple aperture (not shown) so that refrigerant gas by enter cylinder top refrigerant liquid kept off
In the lower part of cylinder, the edge of liquid barrier 14 is welded to connect with left tube sheet 13, right tube plate 4 and the cylinder 8 respectively, left
The left side edge of end socket 9 and cylinder 8 is welded, and the aperture that about 11 position of end socket demarcation plate opens up is welded with refrigerating medium outlet pipe 12
It is welded with the right side edge of refrigerating medium inlet pipe 10, right end socket 5 and cylinder 8, the bottom port of cylinder 8 is welded with liquid supply pipe 7, is used for
Receive the liquid that gas-liquid separator separates go out and the liquid after the voltage drop element that throttles, and the refrigerating medium heat exchange in heat exchanger tube,
Think cold cooling supply, i.e., the liquid entered by liquid supply pipe enters to be formed by heat transfer zone by tube sheet and cylinder, liquid barrier, and logical
It crosses refrigerating medium inlet pipe and enters the refrigerating medium progress heat exchange entered in the part heat exchanger tube that chamber is communicated with refrigerating medium, later,
After refrigerating medium enters the space between another end socket and another tube sheet, by being returned after the obstruction of another end socket, through in addition
With returned inside the heat exchanger tube that is communicated of refrigerating medium discharge chamber, then carry out heat exchange with refrigerating medium, then return to refrigerating medium
Chamber is discharged, is discharged by refrigerating medium discharge pipe, to realize as cold cooling supply.
Wherein, side wall of the cylinder 8 close to bottom offers aperture and one end of fuel sucking pipe 15 and is welded to connect, described
Fuel sucking pipe is used to for the lubricating oil on the refrigerant liquid surface in heat transfer zone being sucked out, and is then drained into refrigeration compressor.
The injection climbing film evaporator of the utility model, using gas ejector ejector action, the refrigeration that evaporation can be made to be formed
The liquid that the entrainment of agent gas enters rises, and by the surface of heat exchanger tube, liquid film is formed, so as to improve refrigerant inside and outside heat exchanger tube
Heat transfer between refrigerating medium improves evaporating temperature；
The purpose of this utility model, which also resides in, provides a kind of refrigeration system, as shown in Figs. 1-3, comprising:
Condenser 16, refrigeration compressor 17, oily injector 18, gas-liquid separator 19, reducing pressure by regulating flow element 20, climbing-film evaporation
Device 21, wherein the climbing film evaporator 21 is using the injection climbing film evaporator in the above embodiments.
Wherein, the outlet of the refrigeration compressor 17 is divided into two-way, connect all the way with the entrance of condenser 16, all the way with oil
The main fluid entrance of injector 18 connects, and the outlet of condenser 16 is connect with the main fluid entrance of gas ejector 1, gas injection
The diffuser outlet of device 1 is connect with the entrance of gas-liquid separator 19, the gas vent of gas-liquid separator 19 and oily injector 18
It is connect after diffuser outlet is in parallel with the entrance of refrigeration compressor 17；The liquid outlet of gas-liquid separator 19 is through the voltage drop element that throttles
20 connect with the liquid supply pipe of climbing film evaporator 21, and the driving fluid of the gas vent and gas ejector 1 of climbing film evaporator 21 enters
The outlet of fuel sucking pipe 15 of mouth connection, climbing film evaporator 21 is connect with the injection entrance of oily injector 18.
The gas ejector 1, the size of the nozzle orifice of oily injector 18, diffuser diffusion ratio, be according to refrigeration
The operating condition and load setting of system.
When refrigeration system operation, the high temperature and high pressure gas that refrigeration compressor 17 is discharged enters condenser 16 all the way, releases
The high temperature high pressure liquid of heat condensation enters gas ejector 1, and the mixing section inner nozzle through gas ejector 1 expands decompression, draws
The gas in the injection area of 21 inner top of climbing film evaporator is penetrated, fluid-mixing forms diffusion through the diffuser diffusion of gas ejector 1
Fluid enters gas-liquid separator 19, and isolated gas enters refrigeration compressor 17, and isolated liquid is throttled after voltage drop element 20,
Enter climbing film evaporator 21 through liquid supply pipe, is cold cooling supply.Refrigeration compressor 17 be discharged high temperature and high pressure gas another way into
The nozzle expansion decompression for entering oily injector 18, since the outlet of fuel sucking pipe 15 of climbing film evaporator 21 and the injection of oily injector 18 enter
Mouthful connection, thus the lubricating oil in the cylinder of injection climbing film evaporator 21 on bottom refrigerant liquid level, mix after diffusion with gas-liquid
The isolated refrigerant gas of separator 19 enters refrigeration compressor 17 together.
The above is only the preferred embodiment of the utility model, it is noted that for the general of the art
For logical technical staff, without departing from the principle of this utility model, several improvements and modifications can also be made, these change
It also should be regarded as the protection scope of the utility model into retouching.
Claims (6)
1. a kind of injection climbing film evaporator, which is characterized in that have the cylinder of end socket including both ends, be oppositely arranged in the cylinder
Two tube sheets are equipped with the liquid barrier that surface has several stomatas, the gear liquid and the cylinder between two tube sheets
Axis it is parallel, the inner barrel is divided into the heat transfer zone of large space and the injection area in small space in the axial direction, it is described
The axially mounted heat exchanger tube for being provided with multiple parallel arrangements in heat transfer zone between two tube sheets along cylinder, the heat exchange
In the pore on the tube sheet, the cylinder is corresponded to and is connected on the barrel in the injection area for drawing with gas at the both ends of pipe
The ejector pipe that the mixing section of emitter is connected, the mixing section connection of the gas ejector is for being connected with condensator outlet
Main fluid pipe；One end socket and the space between corresponding tube sheet by the partition axially arranged be formed with refrigerating medium enter chamber with
Chamber is discharged, refrigerating medium is introduced into heat exchanger tube and is discharged with after the refrigerant liquid heat exchange outside heat exchanger tube, on the cylinder
Be connected on the tube wall of the corresponding heat transfer zone communicated with inside the heat transfer zone for introducing refrigerant liquid after reducing pressure by regulating flow
The liquid supply pipe of body and for the fuel sucking pipe being discharged in compressor to be sucked out in the lubricating oil on refrigerant liquid surface.
2. injection climbing film evaporator according to claim 1, which is characterized in that the edge and barrel soldering of the tube sheet connect
It connects, the side edge welding of the end socket and cylinder.
3. injection climbing film evaporator according to claim 1, which is characterized in that the edge of the liquid barrier respectively with institute
Tube sheet is stated to connect with barrel soldering.
4. injection climbing film evaporator according to claim 1, which is characterized in that the refrigerating medium enters chamber and discharge chamber point
Not and be mounted on corresponding tube sheet formed the refrigerating medium into chamber and discharge chamber end socket on refrigerating medium inlet pipe with go out
Pipe is connected.
5. injection climbing film evaporator according to claim 1, which is characterized in that the liquid supply pipe, ejector pipe are arranged symmetrically in
Middle part on cylinder.
6. a kind of refrigeration system, which is characterized in that including condenser, refrigeration compressor, oily injector, gas-liquid separator, throttling
Voltage drop element, climbing film evaporator；The climbing film evaporator is using any one of the claim 1-5 injection climbing film evaporator；
The outlet of the refrigeration compressor is divided into two-way, connect all the way with the entrance of condenser, the mainstream with oily injector all the way
The main fluid entrance of the connection of body entrance, the outlet of condenser and gas ejector connects, the diffuser outlet of gas ejector with
The entrance of gas-liquid separator connects, and presses after the gas vent of gas-liquid separator is in parallel with the oily diffuser outlet of injector with refrigeration
The entrance of contracting machine connects；The liquid outlet of gas-liquid separator is connected through the liquid supply pipe of throttling voltage drop element and climbing film evaporator, is risen
The gas vent of film evaporator and the driving fluid entrance of gas ejector connect, and the fuel sucking pipe outlet of climbing film evaporator is drawn with oil
The injection entrance of emitter connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820733681.6U CN208332756U (en) | 2018-05-17 | 2018-05-17 | A kind of injection climbing film evaporator and its refrigeration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820733681.6U CN208332756U (en) | 2018-05-17 | 2018-05-17 | A kind of injection climbing film evaporator and its refrigeration system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208332756U true CN208332756U (en) | 2019-01-04 |
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ID=64774058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820733681.6U Expired - Fee Related CN208332756U (en) | 2018-05-17 | 2018-05-17 | A kind of injection climbing film evaporator and its refrigeration system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208332756U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108362044A (en) * | 2018-05-17 | 2018-08-03 | 天津商业大学 | A kind of injection climbing film evaporator and its refrigeration system |
| CN110542245A (en) * | 2019-09-12 | 2019-12-06 | 天津商业大学 | Dry shell and tube evaporator |
-
2018
- 2018-05-17 CN CN201820733681.6U patent/CN208332756U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108362044A (en) * | 2018-05-17 | 2018-08-03 | 天津商业大学 | A kind of injection climbing film evaporator and its refrigeration system |
| CN110542245A (en) * | 2019-09-12 | 2019-12-06 | 天津商业大学 | Dry shell and tube evaporator |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190104 Termination date: 20190517 |
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| CF01 | Termination of patent right due to non-payment of annual fee |