CN107655228A - The refrigeration system cleaned using dry ice - Google Patents
The refrigeration system cleaned using dry ice Download PDFInfo
- Publication number
- CN107655228A CN107655228A CN201711026907.5A CN201711026907A CN107655228A CN 107655228 A CN107655228 A CN 107655228A CN 201711026907 A CN201711026907 A CN 201711026907A CN 107655228 A CN107655228 A CN 107655228A
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- China
- Prior art keywords
- condenser
- evaporator
- dry ice
- valve
- package
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B1/00—Compression machines, plants or systems with non-reversible cycle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
- F28G9/00—Cleaning by flushing or washing, e.g. with chemical solvents
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Cleaning In General (AREA)
Abstract
The present invention discloses the refrigeration system using dry ice cleaning, including the refrigeration system that refrigeration compressor, evaporator, condenser are formed；Inlet shutoff valve between inlet shutoff valve and the dry ice particles package being incorporated between heat exchanger tube package in the dry ice particles heat exchanger tube that condenser and evaporator connect high pressure dry ice particles being incorporated into heat exchanger tube respectively, condenser and evaporator clean cleaning blowoff valve in blowoff valve and heat exchanger tube between connecting package respectively.Dry ice particles can be ejected into the heat exchanger tube of evaporator, condenser and between package by the present invention using pressure-air, lubricating oil film and dirt is shunk and is released to gasify and expand and lubricating oil film and dirt quickly, thoroughly come off from heat exchanger surface, improve performance of refrigerant systems.
Description
Technical field
The present invention relates to refrigeration and air-conditioning technical field, and in particular to the refrigeration system cleaned using dry ice.
Background technology
The heat exchange surface of the heat exchanger of refrigeration system, easily gather lubricating oil and produce dirt, have a strong impact on heat exchanger
Heat-transfer effect, increase heat transfer temperature difference, condensation temperature rise, evaporating temperature declines, and causes the pressure ratio of refrigeration compressor to increase,
Wasted work increase, the runnability of refrigeration system decline.
The content of the invention
In view of the technical drawbacks of the prior art, it is an object of the present invention to provide a kind of system cleaned using dry ice
Cooling system.
Technical scheme is used by realize the purpose of the present invention：
The refrigeration system cleaned using dry ice, including refrigeration compressor, evaporator, condenser；The outlet of refrigeration compressor
Connected by the entrance of condenser air inlet stop valve and condenser, the outlet of condenser passes through condenser discharge opeing stop valve and heating power
The entrance connection of expansion valve, the outlet of heating power expansion valve are connected by the entrance of evaporator feed liquor stop valve and evaporator, evaporation
The outlet of device is connected by the import of evaporator outlet stop valve and refrigeration compressor；
It is connected in condenser heat-exchange pipes after cleaning blowoff valve, condenser air inlet stop valve parallel connection with the entrance of condenser, it is cold
Condenser exports the entrance with inlet shutoff valve in condenser discharge opeing stop valve, condenser dry ice particles heat exchanger tube and company respectively
Connect；
Blowoff valve and cooling medium outlet cut-off are cleaned in the cooling medium outlet of condenser between connecting condenser package respectively
Valve, the cooling after inlet shutoff valve outlet is in parallel between cooling medium inlet stop valve, condenser dry ice particles package with condenser
Medium entrance connects；
Liquid in evaporator dry ice particles heat exchanger tube after inlet shutoff valve, evaporator feed liquor stop valve parallel connection with evaporator
Import connects, and the gas vent of evaporator is respectively with cleaning entering for blowoff valve in evaporator outlet stop valve, heat exchange pipe of evaporator
Mouth connection；
Refrigerating medium between evaporator dry ice particles package after inlet shutoff valve, refrigerating medium inlet shutoff valve parallel connection with evaporator
Import connects, and the refrigerating medium outlet of evaporator is cleaned blowoff valve respectively between refrigerating medium outlet shutoff valve, evaporator package and is connected.
The refrigeration system cleaned using dry ice, including dry-ice machine, for passing through its jet and the evaporator of opening
Inlet shutoff valve, the heat exchange of condenser dry ice particles between inlet shutoff valve, evaporator dry ice particles package in dry ice particles heat exchanger tube
The import of inlet shutoff valve sprays dry ice after connecting between inlet shutoff valve and condenser dry ice particles package in pipe, makes compressed air
Spurted into dry ice particles in the heat exchanger tube of condenser and evaporator between package, by heat exchanger tube between package heat exchange surface
Lubricating oil film and dirt removal, and compressed air effect under, make caused by dirt through opening sewage draining exit discharge.
Dry ice particles are ejected into condenser and steaming by the present invention using the refrigeration system of dry ice cleaning using pressure-air
Send out the heat exchange surface for needing to clear up in the heat exchanger tube of device and between each package, touch in heat exchanger tube when -78 DEG C of dry ice particles and
Brittle explosion phenomenon can be produced after lubricating oil film and dirt between each package, so that lubricating oil film and dirt shrink and released,
Dry ice particles transient evaporation and expand, the powerful peeling force of product therewith, by lubricating oil film and dirt it is quick, thoroughly from heat exchanger
Surface comes off, and so as to reach the cleaning performance of fast, efficient, safe energy-conservation, ensures the heat-transfer effect of heat exchanger, improves refrigeration
The runnability of system.
Brief description of the drawings
Fig. 1 is the schematic diagram of the refrigeration system provided in an embodiment of the present invention using dry ice cleaning.
Embodiment
The present invention is described in further detail below in conjunction with the drawings and specific embodiments.It is it should be appreciated that described herein
Specific embodiment only to explain the present invention, be not intended to limit the present invention.
It is shown in Figure 1, a kind of refrigeration system cleaned using dry ice, including：
In refrigeration compressor 1, condenser air inlet stop valve 2, condenser heat-exchange pipes between cleaning blowoff valve 3, condenser package
Clean blowoff valve 4, cooling medium outlet shutoff valve 5, condenser 6, cooling medium inlet stop valve 7, condenser dry ice particles shell
Inlet shutoff valve 8 between pipe, condenser discharge opeing stop valve 9, inlet shutoff valve 10, thermal expansion in condenser dry ice particles heat exchanger tube
Inlet shutoff valve 12, evaporator feed liquor stop valve 13, evaporator dry ice particles package in valve 11, evaporator dry ice particles heat exchanger tube
Between it is clear between inlet shutoff valve 14, refrigerating medium inlet shutoff valve 15, evaporator 16, refrigerating medium outlet shutoff valve 18, evaporator package
Wash cleaning blowoff valve 21 in blowoff valve 19, evaporator outlet stop valve 20, heat exchange pipe of evaporator.
The outlet of the refrigeration compressor 1 is connected by condenser air inlet stop valve 2 with the entrance of condenser 6, condenser 6
Outlet be connected by condenser discharge opeing stop valve 9 with the entrance of heating power expansion valve 11, the outlet of heating power expansion valve 11 passes through steaming
Hair device feed liquor stop valve 13 is connected with the entrance of evaporator 16, and the outlet of evaporator 16 passes through evaporator outlet stop valve 20 and system
The import connection of cold compressor 1.
Entrance in the condenser heat-exchange pipes after cleaning blowoff valve 3, the parallel connection of condenser air inlet stop valve 2 with condenser 6
Connection, the outlet of condenser 6 respectively with inlet shutoff valve 10 in condenser discharge opeing stop valve 9, condenser dry ice particles heat exchanger tube
Entrance and connection.
The cooling medium outlet of the condenser 6 connects respectively to be cleaned blowoff valve 4 and cooling medium between condenser package and goes out
Mouthful stop valve 5, between cooling medium inlet stop valve 7, condenser dry ice particles package inlet shutoff valve 8 export after parallel connection with condensation
The cooling medium inlet connection of device 6.
In the evaporator dry ice particles heat exchanger tube after inlet shutoff valve 12, the parallel connection of evaporator feed liquor stop valve 13 with evaporation
The liquid-inlet connection of device 16, the gas vent of evaporator 16 respectively with evaporator outlet stop valve 20, heat exchange pipe of evaporator
Clean the import connection of blowoff valve 21.
Between the evaporator dry ice particles package after inlet shutoff valve 14, the parallel connection of refrigerating medium inlet shutoff valve 15 with evaporator
16 refrigerating medium import connection, the refrigerating medium of evaporator 16 are exported respectively between refrigerating medium outlet shutoff valve 18, evaporator package
Cleaning blowoff valve 19 connects.
Specifically, also include dry-ice machine 17, the jet exit of the dry-ice machine 17 can respectively with evaporator dry ice particles
Inlet shutoff valve 14 between inlet shutoff valve 12, evaporator dry ice particles package in heat exchanger tube, in condenser dry ice particles heat exchanger tube
The import of inlet shutoff valve 8 is connected between inlet shutoff valve 10 and condenser dry ice particles package, and realization is needed to evaporator, condensation
The heat exchange pipe internal surface of device, and when the surface progress dry ice blasting dirt or lubricating oil of the package of heat exchanger tube, pass through opening
Stop valve to carry out clearing up dirt and lubricating oil film to spray dry ice by high compression air.
The dry-ice machine can be one, pass through priority and inlet shutoff valve in the evaporator dry ice particles heat exchanger tube
12nd, inlet shutoff valve 14 between evaporator dry ice particles package, inlet shutoff valve 10 and condensation in condenser dry ice particles heat exchanger tube
The import connection of inlet shutoff valve 8 between device dry ice particles package, evaporator, condenser progress dry ice high-pressure injection cleaning successively,
Or more can be equipped with, respectively with evaporator dry ice particles heat exchanger tube between inlet shutoff valve 12, evaporator dry ice particles package
Import ends between inlet shutoff valve 10 and condenser dry ice particles package in inlet shutoff valve 14, condenser dry ice particles heat exchanger tube
The import connection of valve 8, carries out clearing up lubricating oil film and dirt.
During work, after refrigeration system runs a period of time, refrigeration system is shut down, condenser air inlet stop valve 2, condenser
Discharge opeing stop valve 9, cooling medium outlet shutoff valve 5, cooling medium inlet stop valve 7 are closed.Cleaning row in condenser heat-exchange pipes
Inlet shutoff valve 8, condenser dry ice particles between blowoff valve 4, condenser dry ice particles package are cleaned between dirty valve 3, condenser package
Inlet shutoff valve 10 is opened in heat exchanger tube；Evaporator feed liquor stop valve 13, refrigerating medium inlet shutoff valve 15, refrigerating medium outlet cut-off
Valve 18, evaporator outlet stop valve 20 are closed, inlet shutoff valve 12, evaporator dry ice particles in evaporator dry ice particles heat exchanger tube
The interior cleaning blowoff valve 21 of blowoff valve 19, heat exchange pipe of evaporator is cleaned between package between inlet shutoff valve 14, evaporator package to open.
By the jet exit of dry-ice machine 17 (by taking a dry-ice machine as an example illustrate) successively with evaporator dry ice particles heat exchanger tube
Inlet shutoff valve 14 between interior inlet shutoff valve 12, evaporator dry ice particles package, import is cut in condenser dry ice particles heat exchanger tube
After only the import of inlet shutoff valve 8 connects between valve 10 and condenser dry ice particles package, compressed air is sprayed with dry ice particles
Enter in the heat exchanger tube of condenser 6 and evaporator 16 between package, by heat exchanger tube between package the lubricating oil film of heat exchange surface and
Dirt removal, in the presence of compressed air, the sewage draining exit discharge of each opening corresponding to dirt warp caused by cleaning process.
Cleaning finishes, and after carrying out evacuation processing to condenser 6 and evaporator 16 respectively, condenser air inlet stop valve 2, cold
Condenser discharge opeing stop valve 9, cooling medium outlet shutoff valve 5, cooling medium inlet stop valve 7 are opened.It is clear in condenser heat-exchange pipes
Wash and inlet shutoff valve 8, condenser dry ice between blowoff valve 4, condenser dry ice particles package are cleaned between blowoff valve 3, condenser package
Inlet shutoff valve 10 is closed in particle heat exchanger tube；Evaporator feed liquor stop valve 13, refrigerating medium inlet shutoff valve 15, refrigerating medium outlet
Stop valve 18, evaporator outlet stop valve 20 are opened, inlet shutoff valve 12, evaporator dry ice in evaporator dry ice particles heat exchanger tube
The interior cleaning blowoff valve 21 of blowoff valve 19, heat exchange pipe of evaporator is cleaned between particle package between inlet shutoff valve 14, evaporator package to close
Close.Start refrigeration compressor, refrigeration system normal operation.
As can be seen that dry ice particles are ejected into the heat exchanger tube of condenser and evaporator by using pressure-air by the present invention
The heat exchange surface cleared up is needed between interior and each package, can be produced after -78 DEG C of dry ice particles touch lubricating oil film and dirt
Brittle explosion phenomenon, so that lubricating oil film and dirt shrink and released, dry ice particles transient evaporation and expand therewith, product is strong
Big peeling force, lubricating oil film and dirt quickly, are thoroughly come off from heat exchanger surface, so as to reach quick, efficient, peace
Entirely, the cleaning performance of energy-conservation, ensure the heat-transfer effect of heat exchanger, improve the runnability of refrigeration system.To energy-conserving and environment-protective, have
Important meaning.
Described above is only the preferred embodiment of the present invention, it is noted that for the common skill of the art
For art personnel, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications
Also it should be regarded as protection scope of the present invention.
Claims (2)
1. utilize the refrigeration system of dry ice cleaning, it is characterised in that including refrigeration compressor, evaporator, condenser；Refrigerant compression
The outlet of machine is connected by the entrance of condenser air inlet stop valve and condenser, and the outlet of condenser is ended by condenser discharge opeing
The entrance of valve and heating power expansion valve is connected, and the outlet of heating power expansion valve is connected by the entrance of evaporator feed liquor stop valve and evaporator
Connect, the outlet of evaporator is connected by the import of evaporator outlet stop valve and refrigeration compressor；
It is connected in condenser heat-exchange pipes after cleaning blowoff valve, condenser air inlet stop valve parallel connection with the entrance of condenser, condenser
Outlet respectively with the entrance of inlet shutoff valve in condenser discharge opeing stop valve, condenser dry ice particles heat exchanger tube and being connected；
Blowoff valve and cooling medium outlet shutoff valve are cleaned in the cooling medium outlet of condenser between connecting condenser package respectively, cold
But the cooling medium after inlet shutoff valve outlet is in parallel between medium entrance stop valve, condenser dry ice particles package with condenser enters
Mouth connection；
Liquid-inlet in evaporator dry ice particles heat exchanger tube after inlet shutoff valve, evaporator feed liquor stop valve parallel connection with evaporator
Connection, the import of the gas vent of evaporator respectively with cleaning blowoff valve in evaporator outlet stop valve, heat exchange pipe of evaporator connect
Connect；
Refrigerating medium import between evaporator dry ice particles package after inlet shutoff valve, refrigerating medium inlet shutoff valve parallel connection with evaporator
Connection, the refrigerating medium outlet of evaporator are cleaned blowoff valve respectively between refrigerating medium outlet shutoff valve, evaporator package and are connected.
2. the refrigeration system of dry ice cleaning is utilized as claimed in claim 1, it is characterised in that including dry-ice machine, for passing through it
Import ends between inlet shutoff valve, evaporator dry ice particles package in jet and the evaporator dry ice particles heat exchanger tube of opening
The import of inlet shutoff valve connects between inlet shutoff valve and condenser dry ice particles package in valve, condenser dry ice particles heat exchanger tube
After spray dry ice, compressed air is spurted into dry ice particles in the heat exchanger tube of condenser and evaporator between package, will change
The lubricating oil film and dirt removal of the interior heat exchange surface between package of heat pipe, and under compressed air effect, make caused dirt warp
The sewage draining exit discharge of opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711026907.5A CN107655228A (en) | 2017-10-27 | 2017-10-27 | The refrigeration system cleaned using dry ice |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711026907.5A CN107655228A (en) | 2017-10-27 | 2017-10-27 | The refrigeration system cleaned using dry ice |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107655228A true CN107655228A (en) | 2018-02-02 |
Family
ID=61095732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711026907.5A Pending CN107655228A (en) | 2017-10-27 | 2017-10-27 | The refrigeration system cleaned using dry ice |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107655228A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110131940A (en) * | 2019-05-21 | 2019-08-16 | 安徽晋煤中能化工股份有限公司 | A kind of cleaning refrigeration system and method |
| CN113865412A (en) * | 2021-10-25 | 2021-12-31 | 山东舜业压力容器有限公司 | Online self-cleaning device of heat exchanger |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06241621A (en) * | 1993-02-15 | 1994-09-02 | Mitsui Touatsu Liquid Kaabonitsuku Kk | Fluorocarbon gas recovering device |
| CN105765336A (en) * | 2013-11-25 | 2016-07-13 | Geesco有限公司 | Complex cleaning system for heat exchanger |
| CN205748090U (en) * | 2016-05-12 | 2016-11-30 | 山东鲁亮压力容器制造有限公司 | A kind of heat exchanger automatic desludging system |
| CN206208098U (en) * | 2016-11-22 | 2017-05-31 | 王明锐 | For industrial cool-heat-exchanger and radiating tube, the dry ice formula purging system of piece |
| CN207501472U (en) * | 2017-10-27 | 2018-06-15 | 天津商业大学 | Utilize the clean refrigeration system of dry ice |
-
2017
- 2017-10-27 CN CN201711026907.5A patent/CN107655228A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06241621A (en) * | 1993-02-15 | 1994-09-02 | Mitsui Touatsu Liquid Kaabonitsuku Kk | Fluorocarbon gas recovering device |
| CN105765336A (en) * | 2013-11-25 | 2016-07-13 | Geesco有限公司 | Complex cleaning system for heat exchanger |
| CN205748090U (en) * | 2016-05-12 | 2016-11-30 | 山东鲁亮压力容器制造有限公司 | A kind of heat exchanger automatic desludging system |
| CN206208098U (en) * | 2016-11-22 | 2017-05-31 | 王明锐 | For industrial cool-heat-exchanger and radiating tube, the dry ice formula purging system of piece |
| CN207501472U (en) * | 2017-10-27 | 2018-06-15 | 天津商业大学 | Utilize the clean refrigeration system of dry ice |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110131940A (en) * | 2019-05-21 | 2019-08-16 | 安徽晋煤中能化工股份有限公司 | A kind of cleaning refrigeration system and method |
| CN113865412A (en) * | 2021-10-25 | 2021-12-31 | 山东舜业压力容器有限公司 | Online self-cleaning device of heat exchanger |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180202 |