CN104121733B - The float-type air extractor of Lithium Bromide Absorption Refrigeration Cycle - Google Patents
The float-type air extractor of Lithium Bromide Absorption Refrigeration Cycle Download PDFInfo
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- CN104121733B CN104121733B CN201410387214.9A CN201410387214A CN104121733B CN 104121733 B CN104121733 B CN 104121733B CN 201410387214 A CN201410387214 A CN 201410387214A CN 104121733 B CN104121733 B CN 104121733B
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- float
- trocar sheath
- exhaust tube
- bleeding point
- air extractor
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Abstract
The invention discloses a kind of novel Lithium Bromide Absorption Refrigeration Cycle system air extractor, relate to refrigeration plant or the device separating gas of system use, the float-type air extractor that particularly BrLi chiller absorber is bled.This air extractor includes exhaust tube, trocar sheath, float, and described trocar sheath and float link together, and exhaust tube position relative absorbance device keeps fixing；Described trocar sheath is provided with the first air entry, and exhaust tube is provided with the second air entry, and the gas outlet of exhaust tube connects with air-extractor.Technical scheme provided by the invention is inserted into the exhaust tube of a fixed position at the absorber of Lithium Bromide Absorption Refrigeration Cycle system, trocar sheath it is cased with outside exhaust tube, trocar sheath is fixing with float to be connected, and by buoyancy suffered by float, makes trocar sheath random group inside liquid level automatic lifting.Trocar sheath has air entry, due to the effect of float, it is ensured that air entry is not by liquid level submergence and keeps constant with the distance of liquid level.
Description
Technical field
The present invention relates to refrigeration plant or the device separating gas of system use, the float-type air extractor that particularly BrLi chiller absorber is bled.
Background technology
China's Lithium Bromide Absorption Refrigeration Cycle system unit is popularized, and in order to maintain the high performance operation of unit, it is necessary to the condition of high vacuum degree of safeguards system, extracts the incoagulable gas such as oxygen, hydrogen simultaneously.When operating under a high vacuum due to Lithium Bromide Absorption Refrigeration Cycle system, inevitably there is seepage, and lithium-bromide solution to metallic material corrosion time also can produce some incoagulable gas.The incoagulable gas existed in unit, declines the absorbability causing absorber, greatly reduces unit performance, and even resulting in unit cannot run well；Therefore air extractor is one of critical component of Lithium Bromide Absorption Refrigeration Cycle system, and the quality of air extractor performance directly affects performance and the life-span of unit.Lithium Bromide Absorption Refrigeration Cycle system, at the stage of shutdown and normal operating phase, is required for bleeding, to get rid of incoagulable gas and to keep vacuum.The automatic gas extraction device of working stability needs to meet following two condition: one, bleeding point is preferably closely placed in lithium bromide ullage, to ensure that the best is bled effect, because incoagulable gas is prone to be collected at above absorber liquid level of solution, if bleeding point distance liquid level is too far, then poor effect.But owing to unit is stopping and in running, solution level will great changes will take place, and this causes great difficulty to the setting of bleeding point；Two, must be prevented from solution and enter bleeding point, if bleeding point is by solution submergence, air extractor will be unable to run, in some instances it may even be possible to is extracted out by solution and destroys air extractor.The bleeding point of existing air extractor generally fixedly mounts certain height, and when Lithium Bromide Absorption Refrigeration Cycle system stalls, the lithium-bromide solution liquid level in absorber raises, it is easy to cause bleeding point by solution submergence, and air extractor will be unable to run；When Lithium Bromide Absorption Refrigeration Cycle system large load operation, the lithium-bromide solution liquid level in absorber declines serious, it will causing that bleeding point distance absorber liquid level is too remote, that reduces incoagulable gas extracts effect.
Summary of the invention
In order to overcome the air extractor of existing fixed installation height cannot ensure that bleeding point is closely placed in the deficiency above liquid level of solution all the time, the present invention provides the float-type air extractor of a kind of Lithium Bromide Absorption Refrigeration Cycle, the bleeding point of the float-type air extractor of this kind of Lithium Bromide Absorption Refrigeration Cycle is arranged on can with on the float of liquid surface lifting, when can ensure that the lithium-bromide solution liquid level change in absorber, bleeding point is consistently higher than the liquid level of lithium-bromide solution.
The technical solution adopted for the present invention to solve the technical problems is: the float-type air extractor of a kind of Lithium Bromide Absorption Refrigeration Cycle, it is characterized in that: described air extractor includes exhaust tube, trocar sheath, float, described trocar sheath and float link together, and exhaust tube position relative absorbance device keeps fixing；Described trocar sheath is provided with the first bleeding point, and exhaust tube is provided with the second bleeding point, and the gas outlet of exhaust tube connects with extract system.
Float is fixed in described trocar sheath bottom, exhaust tube inserts inside absorber lithium-bromide solution, its bottom port is closed, trocar sheath is enclosed within outside exhaust tube and can slide up and down along exhaust tube outer wall, the first described bleeding point is the strip opening being positioned on trocar sheath tube wall, the second described bleeding point is the strip opening being positioned on exhaust tube tube wall, and when absorber is in minimum liquid level, the second bleeding point top edge is lower than outer sleeve upper mouth at least 1cm.
Described trocar sheath inserts inside absorber lithium-bromide solution, trocar sheath internal welding is connected to bearing, trocar sheath and exhaust tube are by together with bearing is nested into, the first described bleeding point is the rectangular opening being positioned on the trocar sheath tube wall above float, the described bottom mouth of pipe that the second bleeding point is exhaust tube, bottom this, the mouth of pipe is at least above the highest liquid level 5cm of absorber.
The first described bleeding point is be welded on suction nozzle on the trocar sheath tube wall above float, and the second described bleeding point is the strip opening being positioned on exhaust tube tube wall.
The first described bleeding point is be welded on suction nozzle on the trocar sheath tube wall above float, the described bottom mouth of pipe that the second bleeding point is exhaust tube.
Technical scheme provided by the invention is inserted into the exhaust tube of a fixed position at the absorber of unit, is cased with trocar sheath outside exhaust tube, and trocar sheath is fixing with float to be connected, and by buoyancy suffered by float, makes trocar sheath random group inside liquid level automatic lifting.Trocar sheath has bleeding point, due to the effect of float, it is ensured that bleeding point is not by liquid level submergence, and remains a suitable distance with liquid level.
The invention has the beneficial effects as follows:
One, the present invention adopts float regulation and control bleeding point position, utilizes the change of unit absorbed inside device lithium-bromide solution liquid level to be automatically adjusted bleeding point position, it is to avoid the problem of solution submergence bleeding point, safe and reliable to operation.
Two, present invention can ensure that bleeding point and liquid level remain a suitable distance, what ensure incoagulable gas extracts effect.
Three, present configuration is simple, reliable and stable.
Accompanying drawing explanation
Fig. 1, Fig. 2, Fig. 3, Fig. 4 are the principle sketch of the different embodiments of the present invention.
In figure, 1. exhaust tube, 2. trocar sheath, 3. float, 4. suction nozzle, 5. absorber, 1-1. the first bleeding point, 1-2. the second bleeding point, 1-3. gas outlet, 2-1. bearing.
Detailed description of the invention
The specific embodiment of the present invention is, as shown in the figure:
Embodiment 1, as shown in Figure 1 the float-type air extractor of a kind of Lithium Bromide Absorption Refrigeration Cycle, including exhaust tube 1, trocar sheath 2, float 3, described trocar sheath and float are fixed together, and exhaust tube 1 position relative absorbance device 5 keeps fixing；Described trocar sheath 2 is provided with the first bleeding point 1-1, and exhaust tube 1 is provided with the second bleeding point 1-2, and the gas outlet 1-3 of exhaust tube 1 connects with extract system.Float is fixed in described trocar sheath bottom, the strip opening on trocar sheath tube wall above float is the first bleeding point, exhaust tube inserts inside absorber lithium-bromide solution, its bottom port is closed, trocar sheath is enclosed within outside exhaust tube and can slide up and down along exhaust tube outer wall, the second described bleeding point is the strip opening being positioned on exhaust tube tube wall, and when absorber is in minimum liquid level, the second bleeding point top edge is lower than outer sleeve upper mouth at least 1cm.Being cased with trocar sheath outside exhaust tube, a second bleeding point part is covered by trocar sheath, is always ensured that the actual area of bleeding of bleeding point is the first bleeding point and the part of the second bleeding point overlap.Outer sleeve bottom connects float, and during unit operation, liquid level rises, and float, with level change, drives trocar sheath to move, it is to avoid the first bleeding point on trocar sheath is by solution submergence, and remains suitable distance with liquid level.Gas in absorber sucks exhaust tube by the part that the first bleeding point and the second bleeding point are overlapping, is drawn into extract system via gas outlet.
Embodiment 2, as shown in Figure 2 the float-type air extractor of a kind of Lithium Bromide Absorption Refrigeration Cycle, including exhaust tube 1, trocar sheath 2, float 3, described trocar sheath and float are fixed together, and exhaust tube 1 position relative absorbance device 5 keeps fixing；Described trocar sheath 2 is provided with the first bleeding point 1-1, and exhaust tube 1 is provided with the second bleeding point 1-2, and the gas outlet 1-3 of exhaust tube 1 connects with extract system.Described trocar sheath inserts inside absorber lithium-bromide solution, trocar sheath internal welding is connected to bearing, trocar sheath and exhaust tube are by together with bearing is nested into, the first described bleeding point is the rectangular opening being positioned on the trocar sheath tube wall above float, the described bottom mouth of pipe that the second bleeding point is exhaust tube, bottom this, the mouth of pipe is at least above the highest liquid level 5cm of absorber.Bearing has sealing effectiveness, it is to avoid trocar sheath top leaks gas, it is also possible to play axial limiting effect.During unit operation, in absorber, the liquid level of lithium-bromide solution changes between the highest liquid level and minimum liquid level.First exhaust tube inserts inside unit absorber, and the exhaust tube mouth of pipe is higher than the highest liquid level 20cm.Trocar sheath upper opening, bottom is shut.It is connected to float at distance outer sleeve bottom certain distance, trocar sheath tube wall has above float the first bleeding point.Comparing with embodiment 1, in absorber, gas is only sucked by the first bleeding point, via the second bleeding point, imports in extract system from gas outlet, and air-flow is more stable, trocar sheath conveniently moving.
Embodiment 3, as shown in Figure 3 the float-type air extractor of Lithium Bromide Absorption Refrigeration Cycle, including exhaust tube 1, trocar sheath 2, float 3, described trocar sheath and float are fixed together, and exhaust tube 1 position relative absorbance device 5 keeps fixing；Described trocar sheath 2 is provided with the first bleeding point 1-1, and exhaust tube 1 is provided with the second bleeding point 1-2, and the gas outlet 1-3 of exhaust tube 1 connects with extract system.Float is fixed in described trocar sheath bottom, being welded on the trocar sheath tube wall above float suction nozzle is the first bleeding point, exhaust tube inserts inside absorber lithium-bromide solution, its bottom port is closed, trocar sheath is enclosed within outside exhaust tube and can slide up and down along exhaust tube outer wall, the second described bleeding point is the strip opening being positioned on exhaust tube tube wall, and when absorber is in minimum liquid level, the second bleeding point top edge is lower than outer sleeve upper mouth at least 1cm.
The float-type air extractor of Lithium Bromide Absorption Refrigeration Cycle as shown in Figure 4, including exhaust tube 1, trocar sheath 2, float 3, described trocar sheath and float are fixed together, and exhaust tube 1 position relative absorbance device 5 keeps fixing；Described trocar sheath 2 is provided with the first bleeding point 1-1, and exhaust tube 1 is provided with the second bleeding point 1-2, and the gas outlet 1-3 of exhaust tube 1 connects with extract system.Described trocar sheath inserts inside absorber lithium-bromide solution, trocar sheath internal welding is connected to bearing, trocar sheath and exhaust tube are by together with bearing is nested into, the first described bleeding point is be welded on suction nozzle on the trocar sheath tube wall above float, the described bottom mouth of pipe that the second bleeding point is exhaust tube, bottom this, the mouth of pipe is higher than the highest liquid level 20cm of absorber.Bearing has sealing effectiveness, it is to avoid trocar sheath top leaks gas.
Claims (5)
1. a float-type air extractor for Lithium Bromide Absorption Refrigeration Cycle, is characterized in that: air extractor includes exhaust tube, trocar sheath, float, and described trocar sheath and float link together, and exhaust tube position relative absorbance device keeps fixing；Described trocar sheath is provided with the first bleeding point, and exhaust tube is provided with the second bleeding point, and the gas outlet of exhaust tube connects with extract system,
Float is fixed in described trocar sheath bottom, and exhaust tube inserts absorber lithium-bromide solution its bottom port internal and closes,
Or described trocar sheath inserts inside absorber lithium-bromide solution, trocar sheath internal welding is connected to bearing, and trocar sheath and exhaust tube are by together with bearing is nested into.
2. the float-type air extractor of Lithium Bromide Absorption Refrigeration Cycle according to claim 1, it is characterized in that: the strip opening on trocar sheath tube wall above described float is the first bleeding point, trocar sheath is enclosed within and inserts outside the exhaust tube that absorber lithium-bromide solution its bottom port internal is closed and can slide up and down along exhaust tube outer wall, the second described bleeding point is the strip opening being positioned on exhaust tube tube wall, when absorber is in minimum liquid level, the second bleeding point top edge is lower than outer sleeve upper mouth at least 1cm.
3. the float-type air extractor of Lithium Bromide Absorption Refrigeration Cycle according to claim 1, it is characterized in that: the first described bleeding point is that the trocar sheath inserted within absorber lithium-bromide solution is positioned at the rectangular opening on the tube wall above float, the second described bleeding point is the bottom mouth of pipe of the exhaust tube being nested in trocar sheath by bearing, and bottom this, the mouth of pipe is at least above the highest liquid level 5cm of absorber.
4. the float-type air extractor of Lithium Bromide Absorption Refrigeration Cycle according to claim 1 and 2, it is characterized in that: the first described bleeding point is be welded on suction nozzle on the trocar sheath tube wall above float, and the second described bleeding point is the strip opening being positioned on exhaust tube tube wall.
5. the float-type air extractor of the Lithium Bromide Absorption Refrigeration Cycle according to claim 1 or 3, is characterized in that: the first described bleeding point is be welded on suction nozzle on the trocar sheath tube wall above float, the described bottom mouth of pipe that the second bleeding point is exhaust tube.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410387214.9A CN104121733B (en) | 2014-08-07 | 2014-08-07 | The float-type air extractor of Lithium Bromide Absorption Refrigeration Cycle |
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| CN201410387214.9A CN104121733B (en) | 2014-08-07 | 2014-08-07 | The float-type air extractor of Lithium Bromide Absorption Refrigeration Cycle |
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| CN104121733A CN104121733A (en) | 2014-10-29 |
| CN104121733B true CN104121733B (en) | 2016-07-20 |
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| CN109847558A (en) * | 2017-11-30 | 2019-06-07 | 中国石油天然气股份有限公司 | A kind of storage tank depriving hydrogen sulphide system and technique |
| CN115289727A (en) * | 2022-07-27 | 2022-11-04 | 苏州海派特热能设备有限公司 | Dynamic combined energy-saving dehumidification system |
Citations (6)
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| JPH09210511A (en) * | 1996-02-07 | 1997-08-12 | Osaka Gas Co Ltd | Bleeding device non-condensing gas in absorption type heat source device |
| JPH11325670A (en) * | 1998-05-11 | 1999-11-26 | Osaka Gas Co Ltd | Bleeding device in heat exchanger |
| CN2884073Y (en) * | 2006-02-22 | 2007-03-28 | 谢海刚 | Air sucking device used for lithium bromide absorption type air conditioner |
| CN1948869A (en) * | 2005-10-14 | 2007-04-18 | 张跃 | Vacuum pump less automatic exhaust device of lithium bromide machine set and its method |
| CN202709577U (en) * | 2012-06-29 | 2013-01-30 | 太仓奥科机械设备有限公司 | Air extractor |
| CN204063719U (en) * | 2014-08-07 | 2014-12-31 | 山东北辰机电设备股份有限公司 | The float-type air extractor of Lithium Bromide Absorption Refrigeration Cycle |
-
2014
- 2014-08-07 CN CN201410387214.9A patent/CN104121733B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09210511A (en) * | 1996-02-07 | 1997-08-12 | Osaka Gas Co Ltd | Bleeding device non-condensing gas in absorption type heat source device |
| JPH11325670A (en) * | 1998-05-11 | 1999-11-26 | Osaka Gas Co Ltd | Bleeding device in heat exchanger |
| CN1948869A (en) * | 2005-10-14 | 2007-04-18 | 张跃 | Vacuum pump less automatic exhaust device of lithium bromide machine set and its method |
| CN2884073Y (en) * | 2006-02-22 | 2007-03-28 | 谢海刚 | Air sucking device used for lithium bromide absorption type air conditioner |
| CN202709577U (en) * | 2012-06-29 | 2013-01-30 | 太仓奥科机械设备有限公司 | Air extractor |
| CN204063719U (en) * | 2014-08-07 | 2014-12-31 | 山东北辰机电设备股份有限公司 | The float-type air extractor of Lithium Bromide Absorption Refrigeration Cycle |
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Denomination of invention: Float type air extraction device for lithium bromide absorption refrigeration cycle Effective date of registration: 20230424 Granted publication date: 20160720 Pledgee: Agricultural Bank of China Limited Jinan Changqing Branch Pledgor: SHANDONG BEICHEN MECHANICAL & ELECTRICAL EQUIPMENT CO.,LTD. Registration number: Y2023980039012 |
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