CN201794738U - Novel expander for refrigerating and compressing carbon dioxide - Google Patents
Novel expander for refrigerating and compressing carbon dioxide Download PDFInfo
- Publication number
- CN201794738U CN201794738U CN2010202704891U CN201020270489U CN201794738U CN 201794738 U CN201794738 U CN 201794738U CN 2010202704891 U CN2010202704891 U CN 2010202704891U CN 201020270489 U CN201020270489 U CN 201020270489U CN 201794738 U CN201794738 U CN 201794738U
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- gas
- carbon dioxide
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- piston
- chamber
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Abstract
The utility model provides a novel expander for refrigerating and compressing carbon dioxide, which comprises an oil pump, a gas-liquid energy converting cylinder, a gas circuit steering control valve, a steering valve and the like. The working principle of the expander is as follows: when the oil pump starts to work, hydraulic oil generated by the oil pump alternately enters a left hydraulic oil chamber and a right hydraulic oil chamber of the gas-liquid energy converting cylinder by the gas circuit steering control valve and the steering valve, and the cooled high-pressure gas is led into an expanding chamber to do work in an expanding way, so that a piston is jointly pushed to move left and right to compress the gas in a compressing chamber; the gas is discharged into a cooler; the gas is cooled in the cooler, enters an evaporator after being further cooled, depressurized and liquefied by a heat regenerator and a throttle, and the gas is evaporated by heat absorption for refrigeration; and the generated steam is absorbed into the gas-liquid energy converting cylinder. As the hydraulic oil is generated by a hydraulic pump, the high compression pressure can be easily obtained, the compression of carbon dioxide gas can be realized by the gas-liquid energy converting cylinder, the leakage of the gas and the compression clearance are less, and the gas transmitting efficiency is higher.
Description
Technical field
The utility model belongs to refrigeration technology field.
Background technique
Now, human to protecting ozonosphere and climate warming problem more and more to pay attention to, make this environment amenable refrigeration agent of carbon dioxide be subjected to people's attention again; But this refrigeration system also exists deficiency, and carbon dioxide must could fully freeze under the pressure of 140 crust.For this reason, need to bear the compressor of high pressure.And because restriction loss is big, traditional carbon dioxide refrigerating system is difficult to the refrigerating efficiency that reaches high.
Summary of the invention
The purpose of this utility model provides a kind of novel carbon dioxide refrigeration compressing expansion machine, and this machine adopts oil hydraulic pump to produce power, by the compression of hydraulic pressure realization to carbon dioxide; Can obtain high compression pressure easily, and have the function of decompressor, reduce restriction loss, obtain high efficiency to replace throttle valve.
Structure of the present utility model is by oil pump, fuel tank, selector valve, gas---and liquid energy conversion cylinder, cooler, regenerator, vaporizer, gas circuit reversing control valve, throttle valve etc. are formed.Gas wherein---the cylinder body of liquid energy conversion cylinder is divided into three sections with two dividing plates, and piston is made up of an intermediate piston (respectively there is a piston control section intermediate piston both sides) and two end pistons; Piston and dividing plate are with gas---and liquid can be divided into symmetrical six chambeies by conversion cylinder, is respectively two hydraulic fluid chambers, two expansion chambers and two compression chambers.Be shaped on two control chambers in the hydraulic fluid chamber bulkhead sides, be used for cooperating, the automatic reverse of control selector valve with the piston control section; Control chamber connects control oil channel, and control oil channel is established one-way valve and selector valve control valve, to guarantee selector valve two definite positions is arranged.Also be shaped on the control valve that slidably expands on dividing plate, these valve two ends communicate with gas circuit reversing control valve and compression chamber by pipeline, are used for the time that control gaseous enters the amount of expansion chamber and the beginning of expanding; Gas circuit reversing control valve and change-over valve core connect together, simultaneously action; Working medium is a carbon dioxide.
Working principle: when oil pump was started working, gas circuit reversing control valve and selector valve were in position, a left side under the effect of spring; The hydraulic oil that oil pump produces enters gas by selector valve---and the hydraulic fluid chamber on the liquid energy conversion cylinder left side promotes piston and moves right, the gas in the compression air cavity; Pressurized gas through the cooler cooling enter right expansion chamber by gas circuit reversing control valve and expansion control valve simultaneously, promote piston with hydraulic oil and move right, and compress the gas in the right compression chamber.When the pressure in the right compression chamber during greater than the pressure in the cooler, one-way valve opens, the gas in the compression chamber enters cooler, heat release cooling in cooler.Pressure in the right compression chamber is closed the expansion control valve at this moment; Enter the gas expansion for doing work step-down in the right expansion chamber.Gas after the step-down through regenerator and throttle valve further lower the temperature, step-down liquefaction is laggard goes into vaporizer heat absorption sweat cooling.The steam that produces is inhaled into gas---the left compression chamber of liquid energy conversion cylinder.Work as gas---the gas of the right compression chamber that liquid can conversion cylinder is excluded, and when the piston control section entered right control chamber, control chamber pressure sharply increased; Hydraulic oil makes the selector valve commutation by pilot line, is in right position; The hydraulic oil that oil pump produces enters gas by selector valve---the right hydraulic fluid chamber of liquid energy conversion cylinder, promote the piston gas in the compression chamber of a motion compresses left side left, pressurized gas through the cooler cooling enter left expansion chamber by gas circuit reversing control valve and expansion control valve simultaneously, promote piston to left movement with hydraulic oil; Gas in the left compression chamber is compressed, enters cooler by one-way valve.When the piston control section entered left control chamber, control chamber pressure sharply increased; Hydraulic oil makes the selector valve control valve be in right position by pilot line, and the control oil in the selector valve flows back to fuel tank, and pressure disappears; Changeover valve core is got back to position, a left side under the effect of spring, realize automatic reverse.Because novel carbon dioxide refrigeration compressing expansion machine adopts oil hydraulic pump to produce hydraulic oil, can obtain high pressure easily, and pass through gas---liquid energy conversion cylinder is realized the compression to carbon dioxide; The leakage of gas and compression clearance are very little.Has the gas transmission efficient higher than conventional refrigeration.
Description of drawings
Accompanying drawing is novel carbon dioxide refrigeration compressing expansion machine structural drawing, and among the figure: 1 fuel tank, 2 oil pumps, 3 selector valve control oil channel, 4 one-way valves, 5 expansion control valve pilot line, 6 gas---liquid can be changed cylinder body, 7 springs, 8 expansion control valves, 9 end pistons, 10 cylinder caps, 11 hydraulic fluid chambers, 12 piston control sections, 13 intermediate pistons, 14 coolers, 15 expansion chambers, 16 compression chambers, 17 gas circuit reversing control valves, 18 selector valve control valves, 19 regenerators, 20 throttle valve, 21 vaporizers, 22 dividing plates, 23 control chambers, 24 selector valves
Embodiment
Oil pump (2) selector valve (24) in the accompanying drawing in the novel carbon dioxide refrigeration compressing expansion machine, gas---liquid energy conversion cylinder (6), cooler (14), gas circuit reversing control valve (17), regenerator (19), throttle valve (20) vaporizer (21) connect successively with pipeline, and the working medium in the system is a carbon dioxide.
Claims (3)
1. novel carbon dioxide refrigeration compressing expansion machine, it is characterized in that: novel carbon dioxide refrigeration compressing expansion machine is by oil pump, gas---and liquid can conversion cylinder, selector valve, gas circuit reversing control valve are formed; Gas wherein---the cylinder body of liquid energy conversion cylinder is divided into three sections with two dividing plates, and piston is made up of an intermediate piston and two end pistons; Piston and dividing plate are with gas---and the liquid conversion cylinder is divided into symmetrical two hydraulic fluid chambers, two expansion chambers and two compression chambers.
2. novel carbon dioxide refrigeration compressing expansion machine as claimed in claim 1, it is characterized in that: gas---liquid can respectively have a piston control section in conversion cylinder intermediate piston both sides, be shaped on two control chambers in the hydraulic fluid chamber bulkhead sides, be used to control selector valve automatic reverse.
3. novel carbon dioxide refrigeration compressing expansion machine as claimed in claim 1 is characterized in that: at gas---liquid can be shaped on the control valve that slidably expands on the conversion cylinder dividing plate, and these valve two ends communicate with gas circuit reversing control valve and compression chamber by pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202704891U CN201794738U (en) | 2010-07-26 | 2010-07-26 | Novel expander for refrigerating and compressing carbon dioxide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202704891U CN201794738U (en) | 2010-07-26 | 2010-07-26 | Novel expander for refrigerating and compressing carbon dioxide |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201794738U true CN201794738U (en) | 2011-04-13 |
Family
ID=43849648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202704891U Expired - Fee Related CN201794738U (en) | 2010-07-26 | 2010-07-26 | Novel expander for refrigerating and compressing carbon dioxide |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201794738U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107638283A (en) * | 2017-11-15 | 2018-01-30 | 河南省人民医院 | A kind of adjustable sputum elimination machine vibration pneumatic generating means |
| CN107693331A (en) * | 2017-11-15 | 2018-02-16 | 河南省人民医院 | A kind of vibration pneumatic generating means for expectoration vest |
| CN107929029A (en) * | 2017-11-15 | 2018-04-20 | 河南省人民医院 | A kind of sputum elimination machine Gas Vibration generating means |
-
2010
- 2010-07-26 CN CN2010202704891U patent/CN201794738U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107638283A (en) * | 2017-11-15 | 2018-01-30 | 河南省人民医院 | A kind of adjustable sputum elimination machine vibration pneumatic generating means |
| CN107693331A (en) * | 2017-11-15 | 2018-02-16 | 河南省人民医院 | A kind of vibration pneumatic generating means for expectoration vest |
| CN107929029A (en) * | 2017-11-15 | 2018-04-20 | 河南省人民医院 | A kind of sputum elimination machine Gas Vibration generating means |
| CN107638283B (en) * | 2017-11-15 | 2019-09-24 | 河南省人民医院 | A kind of adjustable sputum elimination machine vibration pneumatic generating device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110413 Termination date: 20120726 |