CN101738033B - Refrigerant purification economizer - Google Patents
Refrigerant purification economizer Download PDFInfo
- Publication number
- CN101738033B CN101738033B CN200810143679.4A CN200810143679A CN101738033B CN 101738033 B CN101738033 B CN 101738033B CN 200810143679 A CN200810143679 A CN 200810143679A CN 101738033 B CN101738033 B CN 101738033B
- Authority
- CN
- China
- Prior art keywords
- fluid reservoir
- valve
- pipeline
- refrigerant
- oil
- 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.)
- Expired - Fee Related
Links
Landscapes
- Devices That Are Associated With Refrigeration Equipment (AREA)
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 being connected across in refrigeration unit.
Background technology:
Refrigeration unit is in running, and because cold-producing medium operation can not intercept by refrigeration oil, and the intermiscibility of refrigeration oil and cold-producing medium has a small amount of refrigeration oil and enters the circulatory system that cold-producing medium moves.To bring so following problem:
1, the mixture of refrigeration oil and cold-producing medium enters in evaporimeter, and refrigeration oil can affect the evaporation of cold-producing medium, and thermal conversion rate is reduced.
2, refrigeration oil enters in evaporimeter, can stick on the copper pipe wall of evaporimeter, affects the heat transference efficiency of evaporimeter.
3, the mixture of refrigeration oil and cold-producing medium enters after evaporimeter, because the purity of cold-producing medium reduces, affects cold-producing medium evaporation capacity, thereby reduces the efficiency of cold-producing medium.Meanwhile, refrigeration system, in installation and maintaining process, exists moisture to enter in refrigeration plant, affects refrigerant purity, and refrigeration oil, moisture and impurity in refrigeration plant, will make the Efficiency Decreasing of refrigeration system.
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 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 in refrigeration unit, by fluid reservoir, valve, switch, device for drying and filtering composition, fluid reservoir is a kind of withstand voltage closed container, electric heater unit is equipped with in fluid reservoir bottom, fluid reservoir bottom one STH, install and extract cold-producing medium magnetic valve by pipeline, extract cold-producing medium magnetic valve and connect 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 refrigeration unit oil groove by pipeline again, fluid reservoir top drilling is installed pressure release constant pressure valve by pipeline, pressure release constant pressure valve connects device for drying and filtering one end by pipeline, the device for drying and filtering other end connects the top of refrigeration unit evaporimeter by pipeline, in fluid reservoir, bottom is provided with an oil level switch, controls oil return solenoid valve, and in fluid reservoir, middle part or top are provided with a refrigerant liquid bit switch, controls and extracts cold-producing medium magnetic valve.
In technique scheme, fluid reservoir top is also provided with safety valve and pressure release electromagnetic valve, and pressure release electromagnetic valve connects the compressor air suction mouth of refrigeration unit by pipeline.
Operating procedure
The first step: constant voltage magnetic valve is opened with extracting cold-producing medium magnetic valve simultaneously, and tank internal pressure diminishes, and the mixture of cold-producing medium and refrigeration oil enters in tank.
Second step: when the liquid flowing in tank reaches behind the refrigerant level position of the switch, cold-producing medium closed electromagnetic valve is extracted in liquid-level switch control, and electrical heating wire starts heating.
The 3rd step: the cold-producing medium in the mixture of heating starts to become gaseous state and floats over refrigeration oil overhead, pressure strengthens, and pressure release constant pressure valve is opened, and the pure cold-producing medium of gaseous state returns evaporimeter after by device for drying and filtering dry filter.
The 4th step: in the time that oil level reaches setting value, oil return solenoid valve is opened in oil level switch control, liquid pure refrigeration oil is got back to the oil groove in compressor by oil return solenoid valve.
The 5th step: the acid, moisture and the incondensable gas that are separated are discharged by safety valve.
The 6th step: cold-producing medium and the air-conditioning refrigerant purification economizer of refrigeration oil mixture of handling first start to loop for the second time and work.
The 7th step: as the no action always of oil level switch in 168 hours, native system auto sleep, after manual reset, opens automatically.
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.According to the proportion size of refrigeration oil in refrigeration system and cold-producing medium.Can save units consumption 5-10%.
3, improve the refrigeration of refrigeration plant.
4, reduce maintenance cost, reduce operating cost.
Brief description of the drawings:
Fig. 1 is structural representation of the present invention
Detailed description of the invention:
Referring to Fig. 1, existing refrigeration unit 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 in existing refrigeration unit, by fluid reservoir 5, valve switch, device for drying and filtering 6 forms, fluid reservoir 5 is a kind of withstand voltage closed containers, fluid reservoir 5 bottoms are provided with electric heater unit 7, fluid reservoir 5 bottom one STHs, 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, pressure release constant pressure valve 11 connects device for drying and filtering 6 one end by pipeline, device for drying and filtering 6 other ends connect the top of refrigeration unit evaporimeter 4 by pipeline.Fluid reservoir 5 tops are also provided with safety valve 16 and pressure release electromagnetic valve 13, and pressure release electromagnetic valve 13 connects compressor 1 air entry of refrigeration unit by pipeline.In the interior bottom of fluid reservoir 5, an oil level switch 14 is installed, controls oil return solenoid valve 9, at the interior middle part of fluid reservoir 5 or top a refrigerant liquid bit switch 15 is installed, control and extract cold-producing medium magnetic valve 8.
The closed container that fluid reservoir is made up of withstand voltage round steel pipe, for filling the liquid refrigeration agent composition extracting from evaporimeter.Electrical heating wire is arranged at 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, fills one and extracts cold-producing medium magnetic valve, is connected to the bottom of refrigeration unit evaporimeter, for controlling the inflow of refrigerant mixture.The right side perforate of fluid reservoir bottom, fills an oil return solenoid valve, is connected to refrigeration unit oil groove, gets back to oil groove for the oil of controlling in fluid reservoir.A little more than the place of oil return solenoid valve, an oil level switch is housed on fluid reservoir right side, detects the horizontal level that in fluid reservoir, oil reaches, control oil return solenoid valve action.In the middle and upper part, left side of fluid reservoir, a refrigerant liquid bit switch is housed, for controlling 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 pressure release constant pressure valve lost efficacy, and fluid reservoir internal pressure is while reaching dangerous values, safety valve starts the cold-producing medium of discharging in fluid reservoir, simultaneously control system alarm.When a pressure release constant pressure valve maintenance refrigerant purification economizer job is equipped with at the top of fluid reservoir, the constant pressure of fluid reservoir, allows the cold-producing medium of the interior evaporation of tank after device for drying and filtering impurity screening, moisture, and pure cold-producing medium is got back in evaporimeter.And between pressure release constant pressure valve and fluid reservoir, drawing the air entry that is connected to compressor after a pipeline access pressure release electromagnetic valve, for reducing the pressure in fluid reservoir, the refrigerant mixture in evaporimeter can be flowed in fluid reservoir.
Control panel 12 is controlled switch and magnetic valve by program, and on display board, shows current duty.In the time there are abnormal conditions, send sound and light alarm.
Operation principle:
1, the mixture that refrigerant purification economizer extracts cold-producing medium from the evaporimeter of refrigeration plant is to fluid reservoir.
2, whether detection mixture reaches the amount of setting, stops extracting as arrived.
3, the refrigerant mixture extracting is heated to design temperature, according to the cold-producing medium refrigeration oil characteristic of dissolving each other, is controlled at 60 DEG C, allow cold-producing medium gasification separate with oily.
4, along with the increase of cold-producing medium amount of vaporization, the pressure in fluid reservoir increases.Pressure and temperature change according to the characteristic of cold-producing medium, when reaching, pressure adjusts when setting value (setting value must higher than oil groove pressure), gasiform cold-producing medium, moisture and impurity enter device for drying and filtering, elimination moisture and impurity, remaining cold-producing medium is got back in refrigeration plant evaporimeter.
5, in the time that pressure release constant pressure valve lost efficacy, when fluid reservoir pressure is increased to certain value, safety valve action.
Claims (2)
1. a refrigerant purification economizer, it is characterized in that: it is connected across in refrigeration unit, by fluid reservoir, valve, switch, device for drying and filtering composition, fluid reservoir is a kind of withstand voltage closed container, electric heater unit is equipped with in fluid reservoir bottom, fluid reservoir bottom one STH, install and extract cold-producing medium magnetic valve by pipeline, extract cold-producing medium magnetic valve and connect 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 refrigeration unit oil groove by pipeline again, fluid reservoir top drilling is installed pressure release constant pressure valve by pipeline, pressure release constant pressure valve connects device for drying and filtering one end by pipeline, the device for drying and filtering other end connects the top of refrigeration unit evaporimeter by pipeline, in fluid reservoir, bottom is provided with an oil level switch, controls oil return solenoid valve, and in fluid reservoir, middle part or top are provided with a refrigerant liquid bit switch, controls and extracts cold-producing medium magnetic valve.
2. refrigerant purification economizer according to claim 1, is characterized in that fluid reservoir top is also provided with safety valve and pressure release electromagnetic valve, and pressure release electromagnetic valve connects the compressor air suction mouth of refrigeration unit by pipeline.
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 CN101738033A (en) | 2010-06-16 |
| CN101738033B true CN101738033B (en) | 2014-07-23 |
Family
ID=42461829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810143679.4A Expired - Fee Related CN101738033B (en) | 2008-11-21 | 2008-11-21 | Refrigerant purification economizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101738033B (en) |
Families Citing this family (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 |
Family Cites Families (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 |
| JP5169295B2 (en) * | 2007-03-27 | 2013-03-27 | ダイキン工業株式会社 | Refrigeration equipment |
| 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
Also Published As
| Publication number | Publication date |
|---|---|
| CN101738033A (en) | 2010-06-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203824178U (en) | Freon barrel and pump combined unit | |
| CN103604241B (en) | Air-conditioner and control method thereof | |
| CN206399052U (en) | Knockout system is set up after a kind of dry type unit evaporator | |
| CN103900249B (en) | Instant heating type air energy heat pump water heater and its control method | |
| CN103499167B (en) | Waste heat recovery type oil separator in the compressor cooling circulatory system | |
| CN102042724A (en) | Refrigerant control component, air-conditioning refrigeration system and refrigerant circulation control method | |
| CN107314579B (en) | Air conditioner | |
| CN105371532A (en) | Air conditioner | |
| CN104567054B (en) | Anti-surge system of centrifugal refrigerating unit | |
| CN103900253B (en) | Plug and play formula air energy heat pump water heater and its control method | |
| CN103799860A (en) | Water dispenser and refrigeration control method thereof | |
| CN101738033B (en) | Refrigerant purification economizer | |
| CN106839518A (en) | The double cold and hot pump assemblys of integral type | |
| CN107782019A (en) | The control method of flash vessel, air-conditioner system and air-conditioner system | |
| CN2935006Y (en) | Automatic defrost heat pump water heater | |
| CN202835900U (en) | Energy-efficient flooded type air-cooled heat pump unit | |
| CN107401786B (en) | Evaporation type condensation temperature regulating equipment and defrosting method thereof | |
| CN201615644U (en) | Air conditioner refrigerant circulating unit | |
| CN201262499Y (en) | Refrigerant-purification energy-conservation equipment | |
| CN206930033U (en) | Electric expansion valve hot gas defrosting system Condensing units | |
| CN105066494A (en) | Nuclear-grade direct evaporation combined type air handling unit and control method thereof | |
| CN207146962U (en) | A kind of refrigeration system with two-way condenser | |
| KR20080092071A (en) | Oil-separator installed two-stage compression heat pump | |
| CN218442847U (en) | Direct expansion type micro-power liquid full-filling and liquid-supplying refrigerating device | |
| CN108332272A (en) | A kind of high-efficiency and energy-saving type Home Heating heat pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
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. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140723 Termination date: 20161121 |