CN208443079U - Alternately defrosting device and box evaporator - Google Patents
Alternately defrosting device and box evaporator Download PDFInfo
- Publication number
- CN208443079U CN208443079U CN201820983501.XU CN201820983501U CN208443079U CN 208443079 U CN208443079 U CN 208443079U CN 201820983501 U CN201820983501 U CN 201820983501U CN 208443079 U CN208443079 U CN 208443079U
- Authority
- CN
- China
- Prior art keywords
- level
- ice chest
- pipeline
- outlet
- refrigeration
- Prior art date
- Legal status (The legal status 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 status listed.)
- Active
Links
Landscapes
- Defrosting Systems (AREA)
Abstract
The utility model relates to a kind of alternately defrosting device and box evaporators, alternately defrosting device includes three-level refrigeration machine and at least two three-level ice chests, the refrigeration pipeline and defrost pipeline connecting with three-level refrigeration machine are equipped in each three-level ice chest, refrigeration pipeline is placed in above defrost pipeline, defrost pipeline is placed near three-level ice chest oil discharge outlet, three-level refrigeration pipeline is equipped with refrigeration valve, defrost pipeline is equipped with defrost valve, ice chest switching valve is equipped on each three-level ice chest, the outlet of each ice chest switching valve is connect with each three-level ice chest, the import tandem of each ice chest switching valve.Box evaporator includes level-one ice chest, second level ice chest and alternating defrosting device, wherein the three-level ice chest in level-one ice chest, second level ice chest and alternating defrosting device is fixedly connected, it is equipped with insulation board between second level ice chest and three-level ice chest, is equipped with insulation board between each three-level ice chest.The utility model achievees the purpose that not shut down defrost by switching ice chest valve, to improve the working efficiency of evaporator.
Description
Technical field
The utility model relates to a kind of alternately defrosting device and box evaporators
Background technique
With carrying forward vigorously for national environmental protection policy, device for recovering oil and gas is widely applied to oil depot, gas station, petroleum
The fields such as work, printing, pharmacy.
Because inevitably containing a certain amount of moisture content in vaporizing oil-gas, and minimum reachable -75 DEG C of ice chest temperature, therefore
Icing phenomenon can be generated in oil gas in moisture liquefaction process, ice sheet covers the surface of heat exchange fin, greatly reduces evaporator
Heat exchange efficiency.The defrosting function of device for recovering oil and gas at present mostly uses greatly heat pump principle, and compressor is heating at this time,
Oil gas can only be recycled using waste cold during defrost, efficiency is very low, and national standard, and defrost is also not achieved in concentration of emission
Evaporator needs stop working in journey, greatly reduce the working efficiency of evaporator.
Utility model content
First purpose of the utility model is to provide a kind of alternately defrosting device, device for recovering oil and gas can be made in defrost
Work is not shut down in the process.
Realizing the technical solution of the utility model aim is: the alternating defrosting device, including at least two three-levels are cold
Case is equipped with oil discharge outlet on each three-level ice chest；The three-level refrigeration pipeline for refrigeration is equipped in each three-level ice chest,
And the defrost pipeline for defrost is additionally provided in each three-level ice chest；It is additionally provided with inlet and outlet on each three-level ice chest,
The import of each three-level ice chest is connect with the outlet of ice chest switching valve by pipeline, the import tandem of each ice chest switching valve.
A kind of above-mentioned alternately defrosting device, further includes three-level refrigeration machine and refrigeration valve, and the three-level refrigeration machine goes out
Mouth is connect with the import of refrigeration valve, and the outlet of refrigeration valve is connect with the import of three-level refrigeration pipeline, the outlet of three-level refrigeration pipeline
It is connect with the import of three-level refrigeration machine.
It include compressor, pipeline switching valve and heat exchange group in three-level refrigeration machine in a kind of above-mentioned alternately defrosting device
The outlet of part, the compressor is connect by pipeline with the import of pipeline switching valve, the outlet of pipeline switching valve and heat-exchanging component
Import connection.
Heat-exchanging component in a kind of above-mentioned alternately defrosting device includes condenser and heat exchanger, the import of condenser and pipe
The outlet of road switching valve connects, and the outlet of condenser and the import of heat exchanger connect, the outlet of heat exchanger and the import of refrigeration valve
Connection.
A kind of above-mentioned alternately defrosting device, further includes defrost valve and the first check valve, compresses in the three-level refrigeration machine
The outlet of machine is connect with the import of defrost valve, and the outlet of defrost valve is connect with the import of defrost pipeline, the outlet of defrost pipeline with
The import of first check valve connects, and the outlet of the first check valve and the outlet tandem of pipeline switching valve are in also hot component import.
It is cold that a kind of above-mentioned alternately defrosting device, the three-level refrigeration pipeline and defrost pipeline are all fixed at three-level
In case, and three-level refrigeration tubes rows cloth, above defrost pipeline, defrost pipeline is arranged in above the oil discharge outlet of ice chest lower part.
Second purpose of the utility model is to provide a kind of box evaporator
The technical solution of the utility model is: in box evaporator include level-one ice chest, second level ice chest, level-one refrigeration machine and
Two stage cooler, above-mentioned alternating defrosting device are equipped with the level-one refrigeration pipeline for refrigeration in level-one ice chest, in second level ice chest
Equipped with the second level refrigeration pipeline for refrigeration, the outlet of level-one refrigeration machine is connect with the import of level-one refrigeration pipeline, level-one refrigeration
The outlet of pipeline is connect with the import of level-one refrigeration machine, and the outlet of two stage cooler is connect with the import of second level refrigeration pipeline, and two
The outlet of grade refrigeration pipeline and the import of two stage cooler connect.
The outlet side of level-one ice chest is connect with the inlet end of second level ice chest in above-mentioned box evaporator communicates, ice chest switching
The import tandem of valve is fixedly connected in the outlet of second level ice chest, level-one ice chest, second level ice chest and three-level ice chest.
Insulation board is equipped in above-mentioned box evaporator between second level ice chest and three-level ice chest, and between each three-level ice chest
Equipped with insulation board.
Above-mentioned box evaporator, further includes pre-cooling box, and pre-cooling pipeline, the air inlet of level-one ice chest are equipped in the pre-cooling box
End is connect with the outlet side of pre-cooling box to be communicated, described to set on the pipeline of the import connection of the outlet and pre-cooling box of each three-level ice chest
There is second one-way valve.
The utility model has the effect of positive: (1) the utility model is switched by the way that ice chest is arranged on each three-level ice chest
Valve mutually switches between three-level ice chest to realize, convenient and efficient.
(2) the utility model between three-level ice chest and three-level refrigeration machine by being arranged refrigeration valve and defrost valve, to realize
The orderly control of refrigeration and defrost guarantees the effect of defrost and petroleum vapor recovery.
(3) the utility model is by being arranged the heat-exchanging component being made of condenser and heat exchanger, more efficiently compression
The hot gas generated during hot gas and defrost in machine is converted into the required cold air that freezes.
(4) defrost pipeline is placed in above the oil discharge outlet of three-level ice chest lower part in the utility model, so that the oil liquid dissolved is direct
Oil discharge outlet is discharged out, and ice is not easily caused to block up phenomenon.
(5) it in the utility model, is fixedly connected between level-one ice chest, second level ice chest and each three-level ice chest, Ke Yizeng
Add the stability of evaporator as a whole.
(6) insulation board being provided in the utility model can make the temperature in three-level ice chest constant, and cold air not easily runs off.
(7) pre-cooling box is provided in the utility model before level-one ice chest, by carrying out the cold air in each three-level ice chest
It flows back into pre-cooling box and generates the effect of refrigeration, to generate the effect of pre-cooling to the oil gas for entering pre-cooling box, circulation is efficient.
(8) in defrost circuit and each ice chest outlet setting check valve in the utility model, it is therefore prevented that hot gas or hot oil gas
It flows backwards.
(9) the utility model carries out defrost using the high-temperature gas of compressor, eliminates dedicated defrosting device, and energy conservation is high
Effect.
Detailed description of the invention
In order to make the content of the utility model be easier to be clearly understood, below according to specific embodiment and combine attached
Figure, is described in further detail the utility model, wherein
Fig. 1 is box evaporator schematic diagram in the utility model；
Fig. 2 is three-level refrigeration machine structure chart in the utility model；
Fig. 3 is the structural schematic diagram of refrigerating circuit and defrost circuit in the utility model；
Fig. 4 is enlarged drawing at A in Fig. 3.
Specific embodiment
See Fig. 2 to Fig. 4, a kind of alternately defrosting device, including two three-level ice chests 1 and three-level refrigeration machine 2, each three-level ice chest
Three-level refrigeration pipeline 11 and defrost pipeline 12 are equipped in 1, each three-level ice chest 1 is equipped with oil discharge outlet 16, the outlet of three-level refrigeration machine 2
It is connect with 13 import of refrigeration valve, the outlet of refrigeration valve 13 is connect with the import of three-level refrigeration pipeline 11, three-level refrigeration pipeline 11
Outlet is connect with the import of three-level refrigeration machine 2, including compressor 21, pipeline switching valve 22 and heat-exchanging component in three-level refrigeration machine 2,
The import of defrost valve 14 and the import tandem of pipeline switching valve 22 are in the outlet of compressor 21, the outlet and defrost of defrost valve 14
The import of pipeline 12 connects, and the outlet of three-level defrost pipeline 12 is connect with the import of the first check valve 25, the first check valve 25
Outlet exports tandem in the import of heat-exchanging component with pipeline switching valve 22；Wherein, heat-exchanging component includes condenser 23 and heat exchange
The import of device 24, condenser 23 is connect with the outlet of pipeline switching valve 22, and the outlet of condenser 23 and the import of heat exchanger 24 connect
It connects, the outlet of heat exchanger 24 is connect with the import of refrigeration valve 13.Three-level refrigeration pipeline 11 and defrost pipeline 12 are all fixed at
In three-level ice chest 1, and three-level refrigeration pipeline 11 is arranged in 12 top of defrost pipeline, and defrost pipeline 12 is arranged in three-level ice chest 1
16 top of oil discharge outlet.
See Fig. 1, box evaporator, including level-one ice chest 6, second level ice chest 7, above-mentioned alternating defrosting device, level-one ice chest 6
In be equipped with level-one refrigeration pipeline 61 for refrigeration, the second level refrigeration pipeline 71 for refrigeration, level-one system are equipped in second level ice chest 7
The outlet of cold 4 is connect with the import of level-one refrigeration pipeline 61, the outlet of level-one refrigeration pipeline 61 and the import of level-one refrigeration machine 4
Connection, the outlet of two stage cooler 3 are connect with the import of second level refrigeration pipeline 71, the outlet and two-stage system of second level refrigeration pipeline 71
The import of cold 3 connects；The outlet side of level-one ice chest 6 connect with the inlet end of second level ice chest 7 and communicates, ice chest switching valve 15 into
In the outlet of second level ice chest 7, level-one ice chest 6, second level ice chest 7 and three-level ice chest 1 are fixedly connected for mouth tandem.Second level ice chest 7 and three
Be equipped with insulation board 17 between grade ice chest 1, and also be provided with insulation board 17 between each three-level ice chest 1, the inlet end of level-one ice chest 6 with
The outlet side connection of pre-cooling box 5 communicates, and sets on the pipeline connecting in the outlet of each three-level ice chest 1 with the import of pre-cooling box 5
There is second one-way valve 52, connect three-level ice chest 1 with pre-cooling box 5 and communicate.
The working principle of box evaporator is as follows in the utility model:
Oil gas enters pre-cooling box and is pre-chilled, and part oil gas is converted to fluid oil in pre-cooling box 5, and from pre-cooling box 5
Oil discharge outlet discharge；The oil gas not being recovered sequentially enters level-one ice chest 6, second level ice chest 7 and three-level ice chest 1 and carries out petroleum vapor recovery；
When ice, which occurs, for three-level ice chest 1 blocks up, pipeline switching valve 22 is closed, and defrost valve 14 is opened, and is blocked up ice by ice chest switching valve 15
The import of three-level ice chest 1 is closed, and the import of the stifled three-level ice chest 1 of non-ice is opened, and then defrost circuit 12 is started to work, stifled to ice
Three-level ice chest 1 carry out defrost processing, the stifled three-level ice chest 1 of non-ice continues petroleum vapor recovery.Successively reciprocation cycle, it is really real
Show and has not shut down petroleum vapor recovery.
Particular embodiments described above has carried out into one the purpose of this utility model, technical scheme and beneficial effects
Step is described in detail, it should be understood that being not limited to this foregoing is merely specific embodiment of the utility model
Utility model, within the spirit and principle of the utility model, any modification, equivalent substitution, improvement and etc. done should all wrap
Containing being within the protection scope of the utility model.
Claims (9)
1. a kind of replace defrosting device, including at least two three-level ice chests (1), oil extraction is equipped on each three-level ice chest (1)
Mouth (16)；The three-level refrigeration pipeline (11) for refrigeration is equipped in three-level ice chest (1), it is characterised in that: each three-level is cold
It is additionally provided with the defrost pipeline (12) for defrost in case (1), is additionally provided with inlet and outlet on each three-level ice chest (1), each three
The import of grade ice chest (1) is connect with the outlet of ice chest switching valve (15) by pipeline, and the import of each ice chest switching valve (15) converges
It connects.
2. a kind of alternately defrosting device according to claim 1, it is characterised in that: further include three-level refrigeration machine (2) and system
The outlet of low temperature valve (13), three-level refrigeration machine (2) is connect with the import of refrigeration valve (13), and the outlet of refrigeration valve (13) and three-level are freezed
The import of pipeline (11) connects, and the outlet of three-level refrigeration pipeline (11) is connect with the import of three-level refrigeration machine (2).
3. a kind of alternately defrosting device according to claim 2, it is characterised in that: include in the three-level refrigeration machine (2)
The outlet of compressor (21), pipeline switching valve (22) and heat-exchanging component, compressor (21) passes through pipeline and pipeline switching valve (22)
Import connection, the outlet of pipeline switching valve (22) and the import of heat-exchanging component connect.
4. a kind of alternately defrosting device according to claim 3, it is characterised in that: the heat-exchanging component includes condenser
(23) it is connect with heat exchanger (24), the import of condenser (23) with the outlet of pipeline switching valve (22), the outlet of condenser (23)
It is connect with the import of heat exchanger (24), the outlet of heat exchanger (24) is connect with the import of refrigeration valve (13).
5. a kind of alternately defrosting device according to claim 3, it is characterised in that: further include that defrost valve (14) and first are single
To valve (25), the outlet of compressor (21) is connect with the import of defrost valve (14) in the three-level refrigeration machine (2), defrost valve (14)
Outlet connect with the import of defrost pipeline (12), the outlet of defrost pipeline (12) is connect with the import of the first check valve (25),
The outlet of first check valve (25) and the outlet tandem heat-exchanging component import of pipeline switching valve (22).
6. a kind of alternately defrosting device according to claim 1, it is characterised in that: three-level refrigeration pipeline (11) and defrost pipe
Road (12) is all fixed in three-level ice chest (1), and three-level refrigeration pipeline (11) is arranged in above defrost pipeline (12), defrost
Pipeline (12) is arranged in above the oil discharge outlet (16) of three-level ice chest (1).
7. a kind of box evaporator, including level-one ice chest (6), second level ice chest (7), level-one refrigeration machine (4) and two stage cooler
(3), it is characterised in that: further include one of them described alternating defrosting device of claim 2 to 6, level-one ice chest is equipped in (6)
For the level-one refrigeration pipeline (61) of refrigeration, the second level refrigeration pipeline (71) for refrigeration, level-one system are equipped in second level ice chest (7)
The outlet of cold (4) is connect with the import of level-one refrigeration pipeline (61), the outlet of level-one refrigeration pipeline (61) and level-one refrigeration machine
(4) import connection, the outlet of two stage cooler (3) are connect with the import of second level refrigeration pipeline (71), second level refrigeration pipeline
(71) outlet is connect with the import of two stage cooler (3)；
The outlet side of level-one ice chest (6) connect with the inlet end of second level ice chest (7) and communicates, the import tandem of ice chest switching valve (15)
In the outlet of second level ice chest (7), level-one ice chest (6), second level ice chest (7) and three-level ice chest (1) are fixedly connected.
8. box evaporator according to claim 7, it is characterised in that: set between second level ice chest (7) and three-level ice chest (1)
Have insulation board (17), and also is provided with insulation board (17) between each three-level ice chest (1).
9. box evaporator according to claim 7, it is characterised in that: it further include pre-cooling box (5), the pre-cooling box (5)
Interior to be equipped with pre-cooling pipeline (51), the inlet end of level-one ice chest (6) is connect with the outlet side of pre-cooling box (5) to be communicated, described each three
The pipeline that the outlet of grade ice chest (1) is connect with the import of pre-cooling box (5) is equipped with second one-way valve (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820983501.XU CN208443079U (en) | 2018-06-26 | 2018-06-26 | Alternately defrosting device and box evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820983501.XU CN208443079U (en) | 2018-06-26 | 2018-06-26 | Alternately defrosting device and box evaporator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208443079U true CN208443079U (en) | 2019-01-29 |
Family
ID=65090646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820983501.XU Active CN208443079U (en) | 2018-06-26 | 2018-06-26 | Alternately defrosting device and box evaporator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208443079U (en) |
-
2018
- 2018-06-26 CN CN201820983501.XU patent/CN208443079U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108211648B (en) | Heat recovery type condensation and temperature and pressure swing adsorption combined process oil gas recovery device | |
| JP6235468B2 (en) | Cooling system and cooling method | |
| CN208975200U (en) | A kind of multi-stage condensing device for recovering oil and gas | |
| CN103394267A (en) | Oil gas recovery device combining condensation and adsorption | |
| CN105536282B (en) | A kind of oil-gas recovery method for being pressurized multi-stage condensing | |
| JP2014517248A (en) | Condenser / evaporator for cooling device and method thereof | |
| CN108731292A (en) | A kind of heat siphon type defrosting binary channels petroleum vapor recovery condensation unit | |
| CN106895617A (en) | For the separator of incoagulable gas in the ammonia absorption type refrigeration circulatory system | |
| CN102322705B (en) | Circulating device combining diffusing absorption-type refrigeration and vapor compression refrigeration | |
| CN206420178U (en) | A kind of economical cold storage refrigeration system of energy-saving safe | |
| CN101871702B (en) | Double heat source high-efficiency absorption refrigerating plant | |
| CN102494429A (en) | Two-stage compression integrated low-temperature refrigerating unit | |
| CN208443079U (en) | Alternately defrosting device and box evaporator | |
| CN207797462U (en) | Gas recovery system for oil not stop defrosting device | |
| CN207792672U (en) | A kind of gas recovery system for oil | |
| CN109442804B (en) | Double-stage compression heat pump circulation system for deep condensation of exhaust steam | |
| CN104214984A (en) | Auto-cascade energy tower heat pump system | |
| CN109350983B (en) | Double-stage compression type heat pump double-effect evaporation concentration system | |
| CN207113319U (en) | Separator for incoagulable gas in the ammonia absorption type refrigeration circulatory system | |
| CN203006976U (en) | Pure water producing device | |
| CN109798692A (en) | A kind of air-cooled and wet type cooling unit mixed running system | |
| CN205561332U (en) | Refrigerating system is carried to natural gas compressor | |
| CN204165270U (en) | A kind of synergism refrigerating machine utilizing low-temperature heat source | |
| CN204757429U (en) | Double evaporation ware refrigerating system | |
| CN210952008U (en) | Non-condensable gas separation system based on ammonia system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |