CN105526749A - Non-condensable gas discharging device of ammonia refrigeration system and ammonia refrigeration system thereof - Google Patents
Non-condensable gas discharging device of ammonia refrigeration system and ammonia refrigeration system thereof Download PDFInfo
- Publication number
- CN105526749A CN105526749A CN201610001464.3A CN201610001464A CN105526749A CN 105526749 A CN105526749 A CN 105526749A CN 201610001464 A CN201610001464 A CN 201610001464A CN 105526749 A CN105526749 A CN 105526749A
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- China
- Prior art keywords
- refrigeration system
- vortex tube
- ammonia refrigeration
- ammonia
- incoagulable gas
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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
- F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
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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
- F25B15/00—Sorption machines, plants or systems, operating continuously, e.g. absorption type
- F25B15/02—Sorption machines, plants or systems, operating continuously, e.g. absorption type without inert gas
- F25B15/04—Sorption machines, plants or systems, operating continuously, e.g. absorption type without inert gas the refrigerant being ammonia evaporated from aqueous solution
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/62—Absorption based systems
Abstract
The invention discloses a non-condensable gas discharging device of an ammonia refrigeration system. The non-condensable gas discharging device of the ammonia refrigeration system is characterized by comprising a nozzle, a vortex tube and a needle plug control valve, wherein the nozzle is arranged on the inner wall of one end of the vortex tube along a tangential direction of an inner cavity of the vortex tube; the gas sprayed by the nozzle forms vortex along the inner wall of the vortex tube to separate the non-condensable gas and the ammonia gas; the needle plug control valve is arranged at the other end of the vortex tube; a gap for separating and discharging the non-condensable gas is reserved between the needle plug control valve and the inner wall of the vortex tube. The non-condensable gas discharging device is capable of enabling the ammonia gas free of the non-condensable gas to be subjected to centrifugal movement in the vortex tube so as to separate the non-condensable gas, so that the purity of the ammonia refrigerant in the ammonia refrigeration system is ensured, thereby ensuring that the refrigeration coefficient of the ammonia refrigeration system is not reduced.
Description
Technical field
The present invention relates to a kind of ammonia refrigeration system incoagulable gas tapping equipment and ammonia refrigeration system, it belongs to macrotype ammonia refrigerating equipment.
Background technology
In macrotype ammonia refrigerating system, the existence of incoagulable gas greatly reduces coefficient of refrigerating performance.And incoagulable gas enters refrigeration system by following several possibility, 1, refrigeration system low-pressure side is in negative pressure state; 2, air can enter in refrigeration system by seal washer and shaft seal; 3, when system maintenance is maintained or when system adds cold-producing medium 4, cold-producing medium, the reaction of the material such as rubber or occur that chemical breakdown produces 5, lubricating oil decomposes at high temperature under high pressure.No matter incoagulable gas enters system from the position such as low pressure air suction mouth, compressor, high-pressure side, pipeline, valve, filter of refrigerating plant, major part incoagulable gas is finally all gathered in refrigeration system high pressure side, if high pressure condenser pipe, reservoir etc. are all the places that air most probable is assembled.Therefore entering of incoagulable gas is can hardly be avoided with current production technology level, but the existence of incoagulable gas greatly reduces again the coefficient of refrigerating performance of ammonia refrigeration system, and therefore how removing incoagulable gas is ammonia refrigeration system problem in the urgent need to address.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of ammonia refrigeration system incoagulable gas tapping equipment and ammonia refrigeration system, and the incoagulable gas in ammonia refrigeration system can be discharged by it, improves the coefficient of refrigerating performance of ammonia refrigeration system.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is:
A kind of ammonia refrigeration system incoagulable gas tapping equipment, it is characterized in that: comprise nozzle, vortex tube and pin plug control valve, nozzle is arranged on the inwall of vortex tube one end along vortex tube inner chamber tangential direction, the gas of nozzle ejection forms vortex along vortex tube inwall and is separated with ammonia by incoagulable gas, pin plug control valve be arranged on the vortex tube other end and pin plug control valve with leave confession incoagulable gas between vortex tube inwall and be separated the gap of discharge.
Further, the structure that described gas forms vortex is that vortex tube inwall is provided with a bit of Archimedes spiral, and nozzle is arranged on Archimedes spiral starting point.
Further, the structure that described gas forms vortex is that vortex tube inwall is provided with a bit of helical pipe, and nozzle is arranged on the start position of helical pipe.
Further, between described pin plug control valve and vortex tube inwall, gap length is adjustable.
Further, described pin plug control valve comprises tapered piston, screw rod and handle, and screw rod one end is fixed on tapered piston tail end, and the screw rod other end passes vortex tube and handle is fixed.
Further, one end that described vortex tube arranges pin plug control valve is passed in tank by helix tube.
Further, one end arranging nozzle of described vortex tube is provided with orifice plate, and orifice plate is fixed on vortex tube end and is sealed by vortex tube, and orifice plate is provided with ammonia outlet.
Further, described ammonia refrigeration system incoagulable gas tapping equipment air inlet is arranged on the high-pressure side of ammonia refrigeration system, and gas outlet is arranged on the low-pressure side of ammonia refrigeration system.
Further, described nozzle is connected with the shell and tube condenser of ammonia refrigeration system by admission line, and gas outlet is connected with shell and tube evaporator by outlet pipe.
A kind of ammonia refrigeration system, comprises the shell and tube evaporator, worm compressor, shell and tube condenser, liquid reserve tank, the device for drying and filtering that connect successively, it is characterized in that: also comprise ammonia refrigeration system incoagulable gas tapping equipment.
The present invention compared with prior art, has the following advantages and effect:
1, ammonia refrigeration system incoagulable gas by doing centrifugal motion by the ammonia containing incoagulable gas thus being separated by incoagulable gas in vortex tube, this ensure that the purity of the ammonia refrigerant in ammonia refrigeration system, guarantee that the coefficient of refrigerating performance of ammonia refrigeration system can not reduce;
2, by arranging Archimedes spiral at vortex tube inwall, ensure that ammonia centrifugal motion effect is better;
3, isolated incoagulable gas contains ammonia, discharges, more safety and environmental protection with passing into after helix tube buffer deceleration after ammonia absorbs by tank.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of ammonia refrigeration system of the present invention.
Fig. 2 is the schematic diagram of ammonia refrigeration system incoagulable gas tapping equipment of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, also by embodiment, the present invention is described in further detail, and following examples are explanation of the invention and the present invention is not limited to following examples.
Embodiment 1:
As shown in the figure, a kind of ammonia refrigeration system incoagulable gas tapping equipment of the present invention, comprise nozzle 1, vortex tube 2 and pin plug control valve 3, nozzle 1 is arranged on the inwall of vortex tube 2 one end along vortex tube 2 inner chamber tangential direction, vortex tube 2 inwall is provided with Archimedes spiral, nozzle 1 is arranged on Archimedes spiral starting point, and pin plug control valve 3 is arranged on vortex tube 2 other end and leaves the gap being separated discharge for incoagulable gas between pin plug control valve 3 with vortex tube 2 inwall.Between pin plug control valve 3 and vortex tube 2 inwall, gap length is adjustable, pin plug control valve 3 comprises tapered piston 4, screw rod 5 and handle 6, screw rod 4 one end is fixed on tapered piston 4 tail end, screw rod 5 other end passes vortex tube 2 and fixes with handle 6, drive screw rod 4 rotate thus regulate the size in gap between tapered piston 4 and pin plug control valve 3 by turning handle, ensure the effect of incoagulable gas separate discharge under different cooling condition.
One end that vortex tube 2 arranges pin plug control valve 3 passes in tank 8 by helix tube 7, by the incoagulable gas separated through helix tube 7 buffer deceleration, reduce the speed of incoagulable gas, then pass in tank 8 and absorbed by the ammonia mixed in incoagulable gas, water-fast incoagulable gas is then disposed in air.
One end arranging nozzle 1 of vortex tube 2 is provided with orifice plate 9, and orifice plate 9 is fixed on vortex tube 2 end and is sealed by vortex tube 2, and orifice plate 2 is provided with ammonia outlet.Ammonia refrigeration system incoagulable gas tapping equipment air inlet is arranged on the high-pressure side of ammonia refrigeration system, gas outlet is arranged on the low-pressure side of ammonia refrigeration system, because incoagulable gas is finally all gathered in refrigeration system high pressure side, if high pressure condenser pipe, reservoir etc. are all the places that air most probable is assembled, therefore the air inlet of tapping equipment is arranged on high-pressure side, and the ammonia of recovery is connected with the low-pressure side of refrigeration system and continues to participate in cooling system and circulate.
Nozzle 1 is connected with the shell and tube condenser 11 of ammonia refrigeration system by admission line 10, and gas outlet is connected with shell and tube evaporator 13 by outlet pipe 12.Admission line 10 is provided with air inlet electromagnetic valve 14 and air inlet angle valve 15, outlet pipe 12 is provided with give vent to anger magnetic valve 16 and stop valve 17 of giving vent to anger.
A kind of ammonia refrigeration system, comprises the shell and tube evaporator 13, worm compressor 18, shell and tube condenser 11, liquid reserve tank 19, the device for drying and filtering 20 that connect successively, also comprises ammonia refrigeration system incoagulable gas tapping equipment.Shell and tube evaporator 13 is provided with fluid level control valve 21.Connecting pipe between device for drying and filtering 20 and shell and tube evaporator 13 is disposed with angle valve A22, stop valve 23, magnetic valve 24, fluid level control valve 21 and angle valve B25, by these valves, Automated condtrol is carried out to whole condenser system.
Embodiment 2:
As shown in the figure, a kind of ammonia refrigeration system incoagulable gas tapping equipment of the present invention, comprise nozzle 1, vortex tube 2 and pin plug control valve 3, nozzle 1 is arranged on the inwall of vortex tube 2 one end along vortex tube 2 inner chamber tangential direction, vortex tube 2 inwall is provided with a bit of helical pipe, nozzle 1 is arranged on the start position of helical pipe, and pin plug control valve 3 is arranged on vortex tube 2 other end and leaves the gap being separated discharge for incoagulable gas between pin plug control valve 3 with vortex tube 2 inwall.Between pin plug control valve 3 and vortex tube 2 inwall, gap length is adjustable, pin plug control valve 3 comprises tapered piston 4, screw rod 5 and handle 6, screw rod 4 one end is fixed on tapered piston 4 tail end, screw rod 5 other end passes vortex tube 2 and fixes with handle 6, drive screw rod 4 rotate thus regulate the size in gap between tapered piston 4 and pin plug control valve 3 by turning handle, ensure the effect of incoagulable gas separate discharge under different cooling condition.
One end that vortex tube 2 arranges pin plug control valve 3 passes in tank 8 by helix tube 7, by the incoagulable gas separated through helix tube 7 buffer deceleration, reduce the speed of incoagulable gas, then pass in tank 8 and absorbed by the ammonia mixed in incoagulable gas, water-fast incoagulable gas is then disposed in air.
One end arranging nozzle 1 of vortex tube 2 is provided with orifice plate 9, and orifice plate 9 is fixed on vortex tube 2 end and is sealed by vortex tube 2, and orifice plate 2 is provided with ammonia outlet.Ammonia refrigeration system incoagulable gas tapping equipment air inlet is arranged on the high-pressure side of ammonia refrigeration system, gas outlet is arranged on the low-pressure side of ammonia refrigeration system, because incoagulable gas is finally all gathered in refrigeration system high pressure side, if high pressure condenser pipe, reservoir etc. are all the places that air most probable is assembled, therefore the air inlet of tapping equipment is arranged on high-pressure side, and the ammonia of recovery is connected with the low-pressure side of refrigeration system and continues to participate in cooling system and circulate.
Nozzle 1 is connected with the shell and tube condenser 11 of ammonia refrigeration system by admission line 10, and gas outlet is connected with shell and tube evaporator 13 by outlet pipe 12.Admission line 10 is provided with air inlet electromagnetic valve 14 and air inlet angle valve 15, outlet pipe 12 is provided with give vent to anger magnetic valve 16 and stop valve 17 of giving vent to anger.
A kind of ammonia refrigeration system, comprises the shell and tube evaporator 13, worm compressor 18, shell and tube condenser 11, liquid reserve tank 19, the device for drying and filtering 20 that connect successively, also comprises ammonia refrigeration system incoagulable gas tapping equipment.Shell and tube evaporator 13 is provided with fluid level control valve 21.Connecting pipe between device for drying and filtering 20 and shell and tube evaporator 13 is disposed with angle valve A22, stop valve 23, magnetic valve 24, fluid level control valve 21 and angle valve B25, by these valves, Automated condtrol is carried out to whole condenser system.
When ammonia refrigeration system incoagulable gas tapping equipment work of the present invention, incoagulable gas is gathered in each place of refrigeration system high pressure side, if high pressure condenser pipe, reservoir etc. are all the places that incoagulable gas most probable is assembled.During the work of ammonia refrigeration system incoagulable gas tapping equipment, in refrigeration system high pressure side (condenser overhead), mist enters automatically through air inlet angle valve 15 and air inlet electromagnetic valve 14, (main component has ammonia to high pressure mixed gas, nitrogen, oxygen, carbon dioxide and sub-fraction steam and other gases) by nozzle 1 enter expand in vortex tube 2 after tangentially enter incoagulable gas separation chamber with very high speed, so just, form free vortex flow at the inwall of vortex tube 2, its gyrating mass angular speed is less in marginal portion, incoagulable gas separation chamber, then increasing close to axial portions, the larger incoagulable gas of molecular weight is (as nitrogen, oxygen, carbon dioxide etc.) due to inertial force larger than ammonia molecule comparatively speaking, so define the airflow layer of different angular speed in incoagulable gas separation chamber along radial direction.Through the exchange of kinetic energy and the outer gas flow viscosity acting of acceleration, incoagulable gas is separated into the not identical two parts of temperature, the ammonia air-flow of core flows out through orifice plate 9, after get back in shell and tube evaporator 13 through stop valve 23 and magnetic valve 24 again and continue to participate in the circulation of refrigeration system.The incoagulable gas of marginal portion flows out from vortex tube 2 other end through the gap between pin plug control valve 3 and vortex tube 2, passes into after tank 8 absorbs ammonia again discharge through helix tube 7.Pin plug control valve 3 can be used for changing the pressure of gas in incoagulable gas end vortex tube 2, thus regulates the purity reclaiming ammonia, improves the separative efficiency of incoagulable gas.
Above content described in this description is only made for the present invention illustrating.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment; only otherwise depart from the content of description of the present invention or surmount this scope as defined in the claims, protection scope of the present invention all should be belonged to.
Claims (10)
1. an ammonia refrigeration system incoagulable gas tapping equipment, it is characterized in that: comprise nozzle, vortex tube and pin plug control valve, nozzle is arranged on the inwall of vortex tube one end along vortex tube inner chamber tangential direction, the gas of nozzle ejection forms vortex along vortex tube inwall and is separated with ammonia by incoagulable gas, pin plug control valve be arranged on the vortex tube other end and pin plug control valve with leave confession incoagulable gas between vortex tube inwall and be separated the gap of discharge.
2. according to ammonia refrigeration system incoagulable gas tapping equipment according to claim 1, it is characterized in that: the structure that described gas forms vortex is that vortex tube inwall is provided with a bit of Archimedes spiral, and nozzle is arranged on Archimedes spiral starting point.
3. according to ammonia refrigeration system incoagulable gas tapping equipment according to claim 1, it is characterized in that: the structure that described gas forms vortex is that vortex tube inwall is provided with a bit of helical pipe, and nozzle is arranged on the start position of helical pipe.
4. according to ammonia refrigeration system incoagulable gas tapping equipment according to claim 1, it is characterized in that: between described pin plug control valve and vortex tube inwall, gap length is adjustable.
5. according to ammonia refrigeration system incoagulable gas tapping equipment according to claim 2, it is characterized in that: described pin plug control valve comprises tapered piston, screw rod and handle, screw rod one end is fixed on tapered piston tail end, and the screw rod other end passes vortex tube and handle is fixed.
6. according to ammonia refrigeration system incoagulable gas tapping equipment according to claim 1, it is characterized in that: one end that described vortex tube arranges pin plug control valve is passed in tank by helix tube.
7. according to ammonia refrigeration system incoagulable gas tapping equipment according to claim 1, it is characterized in that: one end arranging nozzle of described vortex tube is provided with orifice plate, and orifice plate is fixed on vortex tube end and is sealed by vortex tube, and orifice plate is provided with ammonia outlet.
8. according to ammonia refrigeration system incoagulable gas tapping equipment according to claim 1, it is characterized in that: described ammonia refrigeration system incoagulable gas tapping equipment air inlet is arranged on the high-pressure side of ammonia refrigeration system, and gas outlet is arranged on the low-pressure side of ammonia refrigeration system.
9., according to ammonia refrigeration system incoagulable gas tapping equipment according to claim 8, it is characterized in that: described nozzle is connected with the shell and tube condenser of ammonia refrigeration system by admission line, and gas outlet is connected with shell and tube evaporator by outlet pipe.
10. an ammonia refrigeration system, comprise the shell and tube evaporator, worm compressor, shell and tube condenser, liquid reserve tank, the device for drying and filtering that connect successively, it is characterized in that: also comprise the ammonia refrigeration system incoagulable gas tapping equipment described in any one of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610001464.3A CN105526749A (en) | 2016-01-05 | 2016-01-05 | Non-condensable gas discharging device of ammonia refrigeration system and ammonia refrigeration system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610001464.3A CN105526749A (en) | 2016-01-05 | 2016-01-05 | Non-condensable gas discharging device of ammonia refrigeration system and ammonia refrigeration system thereof |
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| CN105526749A true CN105526749A (en) | 2016-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610001464.3A Pending CN105526749A (en) | 2016-01-05 | 2016-01-05 | Non-condensable gas discharging device of ammonia refrigeration system and ammonia refrigeration system thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2348329A1 (en) * | 1973-09-26 | 1975-04-10 | Linde Ag | Separation of vent gas from ammonia synthesis process - into hydrogen-rich and argon-rich fractions |
| CN201209983Y (en) * | 2008-05-12 | 2009-03-18 | 上海海事大学 | Non-condensable gas separation plant of novel ammine refrigeration system |
| CN103673369A (en) * | 2012-09-26 | 2014-03-26 | （株）京道商社 | Vortex tube |
| CN205351878U (en) * | 2016-01-05 | 2016-06-29 | 南通航运职业技术学院 | Ammonia refrigeration system is congealing nature gaseous emission device and ammonia refrigeration system not |
-
2016
- 2016-01-05 CN CN201610001464.3A patent/CN105526749A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2348329A1 (en) * | 1973-09-26 | 1975-04-10 | Linde Ag | Separation of vent gas from ammonia synthesis process - into hydrogen-rich and argon-rich fractions |
| CN201209983Y (en) * | 2008-05-12 | 2009-03-18 | 上海海事大学 | Non-condensable gas separation plant of novel ammine refrigeration system |
| CN103673369A (en) * | 2012-09-26 | 2014-03-26 | （株）京道商社 | Vortex tube |
| CN205351878U (en) * | 2016-01-05 | 2016-06-29 | 南通航运职业技术学院 | Ammonia refrigeration system is congealing nature gaseous emission device and ammonia refrigeration system not |
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Application publication date: 20160427 |
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| RJ01 | Rejection of invention patent application after publication |