CN101738033A - Refrigerant purification economizer - Google Patents
Refrigerant purification economizer Download PDFInfo
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- CN101738033A CN101738033A CN200810143679A CN200810143679A CN101738033A CN 101738033 A CN101738033 A CN 101738033A CN 200810143679 A CN200810143679 A CN 200810143679A CN 200810143679 A CN200810143679 A CN 200810143679A CN 101738033 A CN101738033 A CN 101738033A
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- fluid reservoir
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- refrigeration
- refrigerant
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Abstract
The invention provides a refrigerant purification economizer. The economizer is in bridge connection with refrigeration equipment and consists of a liquid storage tank, a valve, a switch and a drying filter, wherein the bottom of the liquid storage tank is provided with an electric heating device; one side of the lower part of the liquid storage tank is provided with a hole which is provided with a refrigerant-extracting electromagnetic valve through pipelines; the refrigerant-extracting electromagnetic valve is connected and communicated with the bottom of an evaporator of a refrigeration unit through the pipelines; the other side of the lower part of the liquid storage tank is provided with the hole which is provided with an oil-returning electromagnetic valve through the pipelines; the oil-returning electromagnetic valve is connected and communicated with an oil groove of the refrigeration unit through the pipelines; the top of the liquid storage tank is provided with the hole which is provided with a pressure-relief constant-pressure valve through the pipelines; the pressure-relief constant-pressure valve is connected and communicated with one end of the drying filter through the pipelines; and the other end of the drying filter is connected and communicated with the upper part of the evaporator of the refrigeration unit through the pipelines. The economizer has the advantages of effectively separating and recovering refrigerant oil entering a refrigerant circulation system, filtering impurities and moisture, improving the heat transfer efficiency and refrigeration effect of the refrigeration equipment, saving energy and reducing consumption.
Description
Technical field:
The present invention relates to a kind of refrigeration plant, be specifically related to a kind of refrigerant purification economizer that is connected across on the refrigeration plant.
Background technology:
Refrigeration plant can not intercept by refrigeration oil because cold-producing medium moves, and the intermiscibility of refrigeration oil and cold-producing medium has the circulatory system that a spot of refrigeration oil enters the cold-producing medium operation in running.To bring following problem like this:
1, the mixture of refrigeration oil and cold-producing medium enters in the evaporimeter, and refrigeration oil can influence the evaporation of cold-producing medium, and thermal conversion rate is reduced.
2, refrigeration oil enters in the evaporimeter, can stick on the copper pipe wall of evaporimeter, influences the heat transference efficiency of evaporimeter.
3, after the mixture of refrigeration oil and cold-producing medium enters evaporimeter,, influence the cold-producing medium evaporation capacity, thereby reduce the efficient of cold-producing medium because the purity of cold-producing medium reduces.Simultaneously, refrigeration system exists moisture to enter in the refrigeration plant in installation and maintaining process, influences refrigerant purity, and refrigeration oil, moisture and impurity in the refrigeration plant will make the efficient of refrigeration system reduce.
Summary of the invention:
Technical problem to be solved by this invention is: solve the problem that above-mentioned prior art exists, and the refrigeration oil that provides a kind of effective separation to reclaim to enter in the refrigerant-cycle systems, filter out impurities and the heat transference efficiency of moisture, raising refrigeration plant and refrigeration, energy-saving and cost-reducing refrigerant purification economizer.
The technical solution used in the present invention is: this refrigerant purification economizer is connected across on the refrigeration plant, by fluid reservoir, valve, switch, device for drying and filtering is formed, fluid reservoir is a kind of withstand voltage closed container, electric heater unit is equipped with in the fluid reservoir bottom, fluid reservoir bottom one STH, by pipeline extraction cold-producing medium magnetic valve is installed, extract the cold-producing medium magnetic valve and connect the refrigeration unit base of evaporator by pipeline again, the opposite side perforate of fluid reservoir bottom, install back solenoid by pipeline, oil return solenoid valve connects the refrigeration unit oil groove by pipeline again, the fluid reservoir top drilling is installed the pressure release constant pressure valve by pipeline, the pressure release constant pressure valve connects device for drying and filtering one end by pipeline, and the device for drying and filtering other end connects the top of refrigeration unit evaporimeter by pipeline.
In the technique scheme, the fluid reservoir top also is equipped with safety valve and pressure release magnetic valve, and the pressure release magnetic valve connects the compressor air suction mouth of refrigeration unit by pipeline.
In the technique scheme, the bottom is equipped with an oil level switch in fluid reservoir, the control oil return solenoid valve, and middle part or top are equipped with a refrigerant liquid bit switch in fluid reservoir, and the cold-producing medium magnetic valve is extracted in control.
Operating procedure
The first step: the constant voltage magnetic valve is opened simultaneously with extracting the cold-producing medium magnetic valve, and a jar internal pressure diminishes, and the mixture of cold-producing medium and refrigeration oil enters in the jar.
Second step: after the liquid in flowing into jar reached the refrigerant level position of the switch, the cold-producing medium closed electromagnetic valve was extracted in liquid-level switch control, and electrical heating wire begins heating.
The 3rd step: the cold-producing medium in the mixture of heating begins to become gaseous state and floats over the refrigeration oil sky, and pressure strengthens, and the pressure release constant pressure valve is opened, and the pure cold-producing medium of gaseous state returns evaporimeter after by the device for drying and filtering dry filter.
The 4th step: when oil level reaches when setting value, oil return solenoid valve is opened in oil level switch control, and liquid pure refrigeration oil is got back to oil groove in the compressor by oil return solenoid valve.
The 5th step: the acid that is separated, moisture and incondensable gas are discharged by safety valve.
The 6th step: the cold-producing medium of handling first and the air-conditioning refrigerant purification economizer of refrigeration oil mixture begin circulation and carry out the second time and work.
The 7th step: do not have action as oil level switch in 168 hours, the native system auto sleep behind manual reset, is opened automatically always.
Substantive distinguishing features of the present invention and remarkable result:
1, refrigeration oil in the refrigerant-cycle systems of refrigeration plant is separated with cold-producing medium, and filtering moisture and impurity, greatly improved the purity of cold-producing medium.
2, improve the heat transference efficiency of refrigeration plant.Proportion size according to refrigeration oil in the refrigeration system and cold-producing medium.Can save unit energy consumption 5-10%.
3, improve the refrigeration of refrigeration plant.
4, reduce maintenance cost, reduce operating cost.
Description of drawings:
Fig. 1 is a structural representation of the present invention
The specific embodiment:
Referring to Fig. 1, existing refrigeration plant comprises the compressor 1 that is in turn connected into closed circuit circulatory system, condenser 2, throttling arrangement 3, evaporimeter 4, and cold-producing medium circulates therein, this refrigerant purification economizer of the present invention is connected across on the existing refrigeration plant, by fluid reservoir 5, valve switch, device for drying and filtering 6 is formed, fluid reservoir 5 is a kind of withstand voltage closed containers, fluid reservoir 5 bottoms are equipped with electric heater unit 7, fluid reservoir 5 bottoms one STH, install one by pipeline and extract cold-producing medium magnetic valve 8, extract cold-producing medium magnetic valve 8 and connect refrigeration unit evaporimeter 4 bottoms by pipeline again, fluid reservoir 5 bottom opposite side perforates, by pipeline an oil return solenoid valve 9 is installed, oil return solenoid valve 9 connects refrigeration unit oil groove 10 by pipeline again, fluid reservoir 5 top drillings are installed pressure release constant pressure valve 11 by pipeline, and pressure release constant pressure valve 11 connects device for drying and filtering 6 one ends by pipeline, and device for drying and filtering 6 other ends connect the top of refrigeration unit evaporimeter 4 by pipeline.Fluid reservoir 5 tops also are equipped with safety valve 16 and pressure release magnetic valve 13, and pressure release magnetic valve 13 connects compressor 1 air entry of refrigeration unit by pipeline.The bottom is equipped with an oil level switch 14 in fluid reservoir 5, control oil return solenoid valve 9, and middle part or top are equipped with a refrigerant liquid bit switch 15 in fluid reservoir 5, and cold-producing medium magnetic valve 8 is extracted in control.
The closed container that fluid reservoir is made up of withstand voltage round steel pipe is used to adorn the liquid refrigeration agent composition that extracts from evaporimeter.Electrical heating wire is arranged at the bottom, and the refrigerant mixture that enters fluid reservoir is heated, and separates cold-producing medium and refrigeration oil.The left side perforate of bottom is adorned one and is extracted the cold-producing medium magnetic valve, is connected to the bottom of refrigeration unit evaporimeter, is used to control the inflow of refrigerant mixture.An oil return solenoid valve is adorned in the right side perforate of fluid reservoir bottom, is connected to refrigeration plant unit oil groove, and the oil that is used to control in the fluid reservoir is got back to oil groove.A little more than the place of oil return solenoid valve an oil level switch is housed on the fluid reservoir right side, detects the horizontal level that oil reaches in the fluid reservoir, the action of control oil return solenoid valve.In the middle and upper part, left side of fluid reservoir a refrigerant liquid bit switch is housed, is used to control the quantity of the cold-producing medium that flows into fluid reservoir.
A safety valve of top perforate installing on fluid reservoir right side, extend to outdoor through copper pipe, the opening pressure of safety valve enters configuration according to different cold-producing mediums, when the pressure release constant pressure valve lost efficacy, and the fluid reservoir internal pressure is when reaching dangerous values, safety valve starts the cold-producing medium of discharging in the fluid reservoir, control system alarm simultaneously.The constant pressure of fluid reservoir when a pressure release constant pressure valve maintenance refrigerant purification economizer job is equipped with at the top of fluid reservoir allows behind a jar interior cold-producing medium process device for drying and filtering impurity screening that evaporates, the moisture, and pure cold-producing medium is got back in the evaporimeter.And drawing the air entry that is connected to compressor after a pipeline inserts the pressure release magnetic valve between pressure release constant pressure valve and the fluid reservoir, and be used to reduce the pressure in the fluid reservoir, the refrigerant mixture in the evaporimeter can be flowed in the fluid reservoir.
Control panel 12 is controlled switch and magnetic valve by program, and shows present duty on display board.When abnormal conditions occurring, send sound and light alarm.
Operation principle:
1, refrigerant purification economizer extracts the mixture of cold-producing medium to fluid reservoir from the evaporimeter of refrigeration plant.
2, detect the amount whether mixture reaches setting, then stop to extract as arriving.
3, the refrigerant mixture that extracts is heated to design temperature,, is controlled at 60 ℃, allow the cold-producing medium gasification separate with oil according to the cold-producing medium refrigeration oil characteristic of dissolving each other.
4, along with the increase of cold-producing medium amount of vaporization, the pressure in the fluid reservoir increases.Pressure and temperature change according to the characteristic of cold-producing medium, when pressure reaches the adjustment setting value (setting value must be higher than oil groove pressure), gasiform cold-producing medium, moisture and impurity enter device for drying and filtering, elimination moisture and impurity, and remaining cold-producing medium is got back in the refrigeration plant evaporimeter.
5, when the pressure release constant pressure valve lost efficacy, when fluid reservoir pressure is increased to certain value, the safety valve action.
Claims (3)
1. refrigerant purification economizer, it is characterized in that being connected across on the refrigeration plant, by fluid reservoir, valve, switch, device for drying and filtering is formed, fluid reservoir is a kind of withstand voltage closed container, electric heater unit is equipped with in the fluid reservoir bottom, fluid reservoir bottom one STH, by pipeline extraction cold-producing medium magnetic valve is installed, extract the cold-producing medium magnetic valve and connect the refrigeration unit base of evaporator by pipeline again, the opposite side perforate of fluid reservoir bottom, install back solenoid by pipeline, oil return solenoid valve connects the refrigeration unit oil groove by pipeline again, the fluid reservoir top drilling is installed the pressure release constant pressure valve by pipeline, and the pressure release constant pressure valve connects device for drying and filtering one end by pipeline, and the device for drying and filtering other end connects the top of refrigeration unit evaporimeter by pipeline.
2. refrigerant purification economizer according to claim 1 is characterized in that the fluid reservoir top also is equipped with safety valve and pressure release magnetic valve, and the pressure release magnetic valve connects the compressor air suction mouth of refrigeration unit by pipeline.
3. refrigerant purification economizer according to claim 1, it is characterized in that the bottom is equipped with an oil level switch in fluid reservoir, the control oil return solenoid valve, middle part or top are equipped with a refrigerant liquid bit switch in fluid reservoir, and the cold-producing medium magnetic valve is extracted in control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810143679.4A CN101738033B (en) | 2008-11-21 | 2008-11-21 | Refrigerant purification economizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810143679.4A CN101738033B (en) | 2008-11-21 | 2008-11-21 | Refrigerant purification economizer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101738033A true CN101738033A (en) | 2010-06-16 |
| CN101738033B CN101738033B (en) | 2014-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810143679.4A Expired - Fee Related CN101738033B (en) | 2008-11-21 | 2008-11-21 | Refrigerant purification economizer |
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| Country | Link |
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| CN (1) | CN101738033B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105910353A (en) * | 2016-06-20 | 2016-08-31 | 泰州格灵电器制造有限公司 | Pressure-relief steady flow valve of tower crane air conditioner receiver-drier |
| CN111515188A (en) * | 2020-05-25 | 2020-08-11 | 广东凯尔迪清洗技术有限公司 | Cleaning solution regeneration circulating device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2206933Y (en) * | 1994-05-13 | 1995-09-06 | 上海市通用机械技术研究所 | Low-pressure refrigerant retrieve purify device |
| JP3439178B2 (en) * | 1993-12-28 | 2003-08-25 | 三菱電機株式会社 | Refrigeration cycle device |
| WO2008117511A1 (en) * | 2007-03-27 | 2008-10-02 | Daikin Industries, Ltd. | Refrigerating device |
| CN201262499Y (en) * | 2008-11-21 | 2009-06-24 | 湖南泰新机电工程设备有限公司 | Refrigerant-purification energy-conservation equipment |
-
2008
- 2008-11-21 CN CN200810143679.4A patent/CN101738033B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3439178B2 (en) * | 1993-12-28 | 2003-08-25 | 三菱電機株式会社 | Refrigeration cycle device |
| CN2206933Y (en) * | 1994-05-13 | 1995-09-06 | 上海市通用机械技术研究所 | Low-pressure refrigerant retrieve purify device |
| WO2008117511A1 (en) * | 2007-03-27 | 2008-10-02 | Daikin Industries, Ltd. | Refrigerating device |
| CN201262499Y (en) * | 2008-11-21 | 2009-06-24 | 湖南泰新机电工程设备有限公司 | Refrigerant-purification energy-conservation equipment |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105910353A (en) * | 2016-06-20 | 2016-08-31 | 泰州格灵电器制造有限公司 | Pressure-relief steady flow valve of tower crane air conditioner receiver-drier |
| CN111515188A (en) * | 2020-05-25 | 2020-08-11 | 广东凯尔迪清洗技术有限公司 | Cleaning solution regeneration circulating device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101738033B (en) | 2014-07-23 |
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Effective date of registration: 20160408 Address after: 410001, 18 floor, Hunan science and technology building, 233 Yuelu Road, Yuelu District, Hunan, Changsha Patentee after: Hunan quick energy saving environmental protection Co Ltd Address before: Shaoshan City, Hunan province 410011 Changsha Road No. 216 Victoria Star City International room 1709 Patentee before: Hunan Agelon Energy-saving Technology Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140723 Termination date: 20161121 |
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