CN205090688U - Air exhaust device and lithium bromide unit - Google Patents
Air exhaust device and lithium bromide unit Download PDFInfo
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- CN205090688U CN205090688U CN201520805207.6U CN201520805207U CN205090688U CN 205090688 U CN205090688 U CN 205090688U CN 201520805207 U CN201520805207 U CN 201520805207U CN 205090688 U CN205090688 U CN 205090688U
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- gas
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- plenum chamber
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- air extractor
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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
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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
- 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
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- Sorption Type Refrigeration Machines (AREA)
Abstract
The utility model provides an air exhaust device and lithium bromide unit. The utility model provides an air exhaust device for lithium bromide unit, include: with the plenum chamber that the vacuum draw -out device is connected, be provided with the coolant's that is used for circulating condenser pipe in the plenum chamber. Adopt the technical scheme of the utility model, reach the life who improves the vacuum pump, prolonged vacuum pump oil's replacement cycle to and the technological effect of improvement air exhaust device job stabilization nature. The utility model provides a lithium bromide unit uses there is foretell air exhaust device.
Description
Technical field
The utility model relates to refrigerating field, more specifically, relates to a kind of air extractor and lithium bromide chiller.
Background technology
In lithium bromide chiller, in order to maintain the refrigeration and heating ability of unit, very high to the requirement of the vacuum of unit self, because once unit self vacuum is destroyed, exerting oneself of unit will significantly decay.Current, in order to ensure the vacuum of unit, usually in lithium bromide chiller, be furnished with one or more sets air extractors, for extracting the incoagulable gas of unit inside.
The existing air extractor for lithium bromide chiller mainly comprises injector, gas-liquid separator, plenum chamber and vavuum pump, usually, the discharge pipe of injector is connected with the import of gas-liquid separator, injector lithium-bromide solution ejection gas, the pipeline extended bottom gas-liquid separator is connected with in the import of gas-liquid separator, the gas outlet of gas-liquid separator is connected with plenum chamber, and plenum chamber is connected with vavuum pump.The operation principle of this air extractor is: injector is used for gas (comprising incoagulable gas and the steam) injection in unit to enter in gas-liquid separator, by the filtration of lithium-bromide solution in gas-liquid separator to steam, incoagulable gas to enter in plenum chamber and is stored, the solution had more can flow out from the liquid outlet of gas-liquid separator, when pressure is elevated to certain pressure in plenum chamber, then opens vavuum pump and plenum chamber is bled.But this air extractor is in actual application, still have part steam and enter into plenum chamber together with incoagulable gas, enter the steam in plenum chamber along with the pumping action of vavuum pump enter into vavuum pump after liquefy, easily cause the emulsification of vavuum pump pump oil, not only have a strong impact on the service life of vavuum pump, the abnormal conditions that the air extractor action also easily occurring to cause due to steam is bad.
Utility model content
An object of the present utility model is to provide a kind of air extractor, enters vavuum pump with the air extractor solving prior art due to the steam in plenum chamber, the problem that air extractor action is bad, service life of vacuum pump is low caused.Another object of the present utility model is to provide a kind of lithium bromide chiller.
A kind of air extractor that the utility model provides, for lithium bromide chiller, comprising: the plenum chamber be connected with vacuum withdraw device, is provided with the condenser pipe for the cooling medium that circulates in plenum chamber.
Further, the part that condenser pipe is positioned at plenum chamber is bent or is straight tube, and/or, the part that condenser pipe is positioned at plenum chamber is provided with fin.
Further, vacuum withdraw device comprises the vavuum pump be connected with plenum chamber by exhaust pipe, and the interface of exhaust pipe and plenum chamber is positioned at the top of condenser pipe.
Further, the chilled(cooling) water return (CWR) of condenser pipe and lithium bromide chiller is connected, or the water as refrigerant loop of condenser pipe and lithium bromide chiller is connected.
Further, this air extractor also comprises: be arranged on the gas-liquid separator below plenum chamber, and the gas outlet of gas-liquid separator is connected by the first communicating pipe with the bottom of plenum chamber.
Further, this air extractor also comprises injector, and the suction line of injector is communicated with the gas in lithium bromide chiller, and the discharge pipe of injector is connected with the import of gas-liquid separator.
Further, be connected with the pipeline extended bottom gas-liquid separator in the import of gas-liquid separator, the liquid outlet of gas-liquid separator is communicated with the solution of lithium bromide chiller by the first liquid back pipe.
Further, this air extractor also comprises: knockout drum, liquid sealing pipe and the second communicating pipe; The top of knockout drum has gas vent, and bottom has liquid inlet and liquid outlet; One end of liquid sealing pipe is connected with the liquid outlet of gas-liquid separator, and the other end extend into the predetermined altitude of knockout drum inside from the liquid inlet of knockout drum; The gas vent of knockout drum is by being connected with the suction line of injector the second communicating pipe, and the liquid outlet of knockout drum is communicated with the solution of lithium bromide chiller by the second liquid back pipe; The pipeline extended bottom gas-liquid separator is connected with in the import of gas-liquid separator.
Further, liquid sealing pipe comprises: the first paragraph being positioned at knockout drum inside, and, be connected to the second segment between gas-liquid separator and knockout drum; First paragraph and second segment are split-type structural.
The utility model additionally provides a kind of lithium bromide chiller, and this lithium bromide chiller is provided with above-mentioned air extractor.
The air extractor that the utility model provides adopts and be equipped with condenser pipe in plenum chamber, condenser pipe is for passing into the technical scheme of the cooling medium of flowing, like this, when air extractor works, even if there is a small amount of steam to enter into plenum chamber with incoagulable gas, in condenser pipe cooling medium condensation under, steam very easily cools down becomes condensed water, be gathered in bottom plenum chamber and be not easy to be pumped in vavuum pump, also just reduce because of steam enter vavuum pump cause vavuum pump pump oil emulsification occurrence probability, and reduce the bad frequency of the air extractor action that causes due to steam, thus reach the service life of improving vavuum pump, extend the replacement cycle of pumping fluid, and improve the technique effect of air extractor job stability.
Accompanying drawing explanation
The accompanying drawing forming a part of the present utility model is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 diagrammatically illustrates the schematic diagram of the air extractor that the utility model first embodiment provides;
Fig. 2 diagrammatically illustrates the schematic diagram of the air extractor that the utility model second embodiment provides.
Detailed description of the invention
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the utility model in detail in conjunction with the embodiments.
See Fig. 1, show the schematic diagram of the air extractor that the utility model first embodiment provides, this air extractor is used for lithium bromide chiller, to extract the gas (mainly incoagulable gas) in unit.As shown in the figure, this air extractor comprises the plenum chamber 1 be connected with vacuum withdraw device, wears the condenser pipe 2 be provided with for the cooling medium that circulates in plenum chamber 1.Known in conjunction with prior art; vacuum withdraw device generally includes vavuum pump (not shown); vavuum pump can be connected with plenum chamber 1 by exhaust pipe 12; air extractor can also comprise the structure such as injector 3, gas-liquid separator 4 usually; during lithium bromide chiller work, maintained the vacuum in unit by air extractor.
The air extractor that the utility model embodiment provides, by being equipped with condenser pipe 2 in plenum chamber 1, for passing into the technical scheme of the cooling medium of flowing in condenser pipe 2, make air extractor operationally, even if there is a small amount of steam to enter into plenum chamber 1 with incoagulable gas, in condenser pipe 2 cooling medium condensation under, steam in plenum chamber 1 very easily cools down becomes condensed water, be gathered in bottom plenum chamber 1 and be not easy to be pumped in vavuum pump, also just reduce because of steam enter vavuum pump cause vavuum pump pump oil emulsification possibility, and reduce the bad occurrence probability of the air extractor action that causes due to steam, thus reach the service life of improving vavuum pump, extend the replacement cycle of pumping fluid, and improve the technique effect of air extractor job stability.
As can be seen from Fig. 1, in the present embodiment, condenser pipe 1 is positioned at the part of plenum chamber 1 is straight tube, so that manufacture and install.Be appreciated that condenser pipe 1 can be one, also can be many.Preferably, in other embodiments, for strengthening the condensation effect of steam in plenum chamber 1, the part that condenser pipe 2 can be made to be positioned at plenum chamber 1 is bent, and/or, condenser pipe 2 part in plenum chamber 1 being provided with fin, being positioned at the area of plenum chamber 1 by increasing condenser pipe 2, to strengthen the condensation effect of steam in plenum chamber 1.In addition, the interface that exhaust pipe 12 is connected with plenum chamber 1 is preferably located in the top of whole condenser pipe 2, like this, by the incoagulable gas in suction plenum chamber 1 inside, plenum chamber 1 top, the pump oil emulsification being conducive to preventing condensed water to be drawn into vavuum pump causing, further increases the stability of vavuum pump.
In condenser pipe 2, the cooling medium of circulation can be running water or other liquid, as long as can circulate in condenser pipe 2 and be beneficial to the water vapor condensation made in plenum chamber 1.In other preferred embodiments, the water as refrigerant loop (also can be called chilled water loop) of condenser pipe 2 with lithium bromide chiller can be connected, or, the chilled(cooling) water return (CWR) of condenser pipe 2 with lithium bromide chiller is connected, like this, the water as refrigerant utilizing lithium bromide chiller self to be applied to or cooling water, as cooling medium, can simplify structure, reduce costs.
Described gas-liquid separator 4 comprises import 41, gas outlet 42 and liquid outlet 43.Present embodiment illustrates the preferred arrangement of gas-liquid separator 4, as shown in Figure 1, gas-liquid separator 4 is arranged at the below of plenum chamber 1, in unit, gas enters in gas-liquid separator 4 by import 41, the gas outlet 42 of gas-liquid separator 4 is connected by the first communicating pipe 11 with the bottom of plenum chamber 1, is preferably the first communicating pipe 11 and vertically arranges.Like this, gas through gas-liquid separator 4 filtration can be entered in plenum chamber 1 by the first communicating pipe 11 and store, the condensed water be gathered in bottom plenum chamber 1 then can flow in gas-liquid separator 4 by the first communicating pipe 11, and can be flowed out by the liquid outlet 43 of gas-liquid separator 4, reduce the possibility that the condensed water in plenum chamber 1 is extracted out by vavuum pump further.Certainly, in other embodiments, can also by being communicated with other pipeline in the bottom of plenum chamber 1 so that drawn by the liquid in gas-liquid separator 4.Preferably, in the present embodiment, lithium-bromide solution can be injected in the bottom of gas-liquid separator 4, the pipeline (in figure non-label) extended bottom gas-liquid separator 4 is connected with in the import 41 of gas-liquid separator 4, this pipeline extend into below the liquid level of lithium-bromide solution, lithium-bromide solution can absorb the steam in gas, also the condensed water flowed down by the first communicating pipe 11 can be absorbed, the liquid outlet 43 of gas-liquid separator 4 is communicated with the lithium-bromide solution of lithium bromide chiller by the first liquid back pipe 61, make the condensed water in plenum chamber 1 can be back to repetitive cycling in unit, thus reduce the loss of the inner water as refrigerant of unit, reduce the waste of water as refrigerant in unit.
Described injector 3 comprises suction line 31 and discharge pipe 32.The preferred arrangement of injector 3 is also show in the present embodiment, the suction line 31 of injector 3 is communicated with the gas in lithium bromide chiller, the discharge pipe 32 of injector 3 is connected with the import 41 of gas-liquid separator 4, lithium-bromide solution can be spurted in gas-liquid separator 4 by discharge pipe 32 by the nozzle (not shown) of injector 3, simultaneously with lithium-bromide solution by the gas injection in suction line 31 to discharge pipe 32 to enter in gas-liquid separator 4.Like this, automatic continuously can inject lithium-bromide solution in gas-liquid separator 4, first the gas in unit be entered in plenum chamber 1 after gas-liquid separator 4 filters, is conducive to reducing the steam vapour amount entered in plenum chamber 1.
Referring to Fig. 2, show the schematic diagram of the air extractor that the utility model second embodiment provides, mainly contain with the difference of above-mentioned first embodiment: the structure adding knockout drum 5, liquid sealing pipe 71, second communicating pipe 72 and the second liquid back pipe 73, and eliminate the first liquid back pipe 61.Particularly, knockout drum 5 can bear larger pressure, and its top has gas vent 52, bottom has liquid inlet 51 and liquid outlet 53, is appreciated that the bottom of this place's knockout drum 5 refers to the lower area of knockout drum 5, preferably, liquid outlet 53 is higher than liquid inlet 51.One end of liquid sealing pipe 71 is connected with the liquid outlet 43 of gas-liquid separator 4, and the other end extend into the inner predetermined altitude of knockout drum 5 from the liquid inlet 51 of knockout drum 5; The gas vent 52 of knockout drum 5 was connected with the suction line 31 of injector 3 by the second communicating pipe 72, and the liquid outlet 53 of knockout drum 5 is communicated with the lithium-bromide solution of lithium bromide chiller by the second liquid back pipe 73.Like this, the lithium-bromide solution flowed out from gas-liquid separator 4 liquid outlet 43 enters in knockout drum 5 through liquid sealing pipe 71, and can be back in the lithium-bromide solution of unit by liquid outlet 53 and the second liquid back pipe 73, if containing incoagulable gas, rise to the upper area of knockout drum 5, and enter in gas-liquid separator 4 be again separated via the second communicating pipe 72, injector 3, thus be conducive to reducing the content of the incoagulable gas returned in unit in solution.
Preferably, liquid sealing pipe 71 comprises the first paragraph being positioned at knockout drum 5 inside, and be connected to the second segment between gas-liquid separator 4 and knockout drum 5, first paragraph and second segment are split-type structural.Preferably, first paragraph can be installed together with knockout drum 5, and second segment can be respectively with gas-liquid separator 4 and knockout drum 5 and removably connect, thus reduces the assembly difficulty of draw-out device.
The utility model embodiment still provides a kind of lithium bromide chiller, and this lithium bromide chiller is provided with above-mentioned air extractor.The air extractor provided because of the utility model embodiment can reach above-mentioned technique effect, and application has the lithium bromide chiller of this air extractor also should possess corresponding technique effect, does not repeat them here.
These are only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. an air extractor, for lithium bromide chiller, is characterized in that, comprising: the plenum chamber be connected with vacuum withdraw device, is provided with the condenser pipe for the cooling medium that circulates in described plenum chamber.
2. air extractor according to claim 1, is characterized in that, the part that described condenser pipe is positioned at described plenum chamber is bent or is straight tube, and/or, the part that described condenser pipe is positioned at described plenum chamber is provided with fin.
3. air extractor according to claim 1, is characterized in that, described vacuum withdraw device comprises the vavuum pump be connected with described plenum chamber by exhaust pipe, and the interface of described exhaust pipe and described plenum chamber is positioned at the top of described condenser pipe.
4. air extractor according to claim 1, is characterized in that, the chilled(cooling) water return (CWR) of described condenser pipe and described lithium bromide chiller is connected, or the water as refrigerant loop of described condenser pipe and described lithium bromide chiller is connected.
5. air extractor according to any one of claim 1 to 4, is characterized in that, also comprises: be arranged on the gas-liquid separator below described plenum chamber, and the gas outlet of described gas-liquid separator is connected by the first communicating pipe with the bottom of described plenum chamber.
6. air extractor according to claim 5, is characterized in that, also comprises injector, and the suction line of described injector is communicated with the gas in described lithium bromide chiller, and the discharge pipe of described injector is connected with the import of described gas-liquid separator.
7. air extractor according to claim 6, it is characterized in that, be connected with the pipeline extended bottom described gas-liquid separator in the import of described gas-liquid separator, the liquid outlet of described gas-liquid separator is communicated with the solution of described lithium bromide chiller by the first liquid back pipe.
8. air extractor according to claim 6, is characterized in that, also comprises: knockout drum, liquid sealing pipe and the second communicating pipe;
The top of described knockout drum has gas vent, and bottom has liquid inlet and liquid outlet;
One end of described liquid sealing pipe is connected with the liquid outlet of described gas-liquid separator, and the other end extend into the predetermined altitude of described knockout drum inside from the liquid inlet of described knockout drum;
The gas vent of described knockout drum is by being connected with the suction line of described injector the second communicating pipe, and the liquid outlet of described knockout drum is communicated with the solution of described lithium bromide chiller by the second liquid back pipe;
The pipeline extended bottom described gas-liquid separator is connected with in the import of described gas-liquid separator.
9. air extractor according to claim 8, is characterized in that, described liquid sealing pipe comprises: the first paragraph being positioned at described knockout drum inside, and, be connected to the second segment between described gas-liquid separator and described knockout drum; Described first paragraph and described second segment are split-type structural.
10. a lithium bromide chiller, is characterized in that, is provided with the air extractor according to any one of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520805207.6U CN205090688U (en) | 2015-10-15 | 2015-10-15 | Air exhaust device and lithium bromide unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520805207.6U CN205090688U (en) | 2015-10-15 | 2015-10-15 | Air exhaust device and lithium bromide unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205090688U true CN205090688U (en) | 2016-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520805207.6U Active CN205090688U (en) | 2015-10-15 | 2015-10-15 | Air exhaust device and lithium bromide unit |
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| CN (1) | CN205090688U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105241139A (en) * | 2015-10-15 | 2016-01-13 | 珠海格力电器股份有限公司 | Air extraction device and lithium bromide unit |
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2015
- 2015-10-15 CN CN201520805207.6U patent/CN205090688U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105241139A (en) * | 2015-10-15 | 2016-01-13 | 珠海格力电器股份有限公司 | Air extraction device and lithium bromide unit |
| WO2017063508A1 (en) * | 2015-10-15 | 2017-04-20 | 珠海格力电器股份有限公司 | Air extraction device and lithium bromide apparatus group |
| CN105241139B (en) * | 2015-10-15 | 2018-03-13 | 珠海格力电器股份有限公司 | Air extractor and lithium bromide chiller |
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