CN104121733A - Lithium bromide absorption type refrigerating cycle float-type air extractor - Google Patents
Lithium bromide absorption type refrigerating cycle float-type air extractor Download PDFInfo
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- CN104121733A CN104121733A CN201410387214.9A CN201410387214A CN104121733A CN 104121733 A CN104121733 A CN 104121733A CN 201410387214 A CN201410387214 A CN 201410387214A CN 104121733 A CN104121733 A CN 104121733A
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- tube
- float
- bleeding point
- outer tube
- absorber
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Abstract
The invention discloses a novel air extractor of a lithium bromide absorption type refrigerating cycle system, and relates to an air separating device used in a refrigeration plant or system, in particular to the float-type air extractor for air extraction of a lithium bromide refrigerating unit absorber. The air extractor comprises an air extraction pipe, an outer casing pipe and a floater, wherein the outer casing pipe and the floater are connected together, the position of the air extraction pipe is kept fixed relative to the absorber, a first air suction opening is formed in the outer casing pipe, a second air suction opening is formed in the air extraction pipe, and an air outlet of the air extraction pipe is communicated with the air extractor. According to the technical scheme, the air extraction pipe with the fixed position is inserted into the absorber of the lithium bromide absorption type refrigerating cycle system, the air extraction pipe is sleeved with the outer casing pipe, the outer casing pipe is fixedly connected with the floater, and through buoyancy borne by the floater, the outer casing pipe automatically ascends and descends along with the liquid level inside the unit. The air suction opening is formed in the outer casing pipe, and due to the effect of the floater, it can be ensured that the air suction opening is not immersed by the liquid level, and the distance between the air suction opening and the liquid level is kept unchangeable.
Description
Technical field
The present invention relates to the float-type air extractor that the device, particularly lithium bromide refrigerating unit absorber of the divided gas flow that refrigeration plant or system use are bled.
Background technology
China's Lithium Bromide Absorption Refrigeration Cycle system unit is universal, and in order to maintain the high performance operation of unit, the condition of high vacuum degree of necessary safeguards system extracts the incoagulable gas such as oxygen, hydrogen simultaneously.While running under high vacuum due to Lithium Bromide Absorption Refrigeration Cycle system, inevitably have seepage, and lithium-bromide solution also can produce some incoagulable gas during to metallic material corrosion.The incoagulable gas existing in unit, declines the absorbability that causes absorber, greatly reduces unit performance, even causes unit to 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 shutdown stage and normal operating phase, all needs to bleed, to get rid of incoagulable gas and to keep vacuum.The automatic gas extraction device of working stability need to meet following two conditions: one, bleeding point is preferably closely placed in lithium bromide liquid level top, to ensure the best effect of bleeding, because incoagulable gas is easy to be collected at absorber liquid level of solution top, if bleeding point is excessively far away apart from liquid level, poor effect.But due to unit stop with running in, solution level will great changes will take place, this has caused great difficulty to setting of bleeding point; Two, must prevent that solution from entering bleeding point, if bleeding point by solution submergence, air extractor cannot move, even may by solution extract out and destroy air extractor.The certain height of the general fixed installation of bleeding point of existing air extractor, in the time that Lithium Bromide Absorption Refrigeration Cycle system quits work, the lithium-bromide solution liquid level in absorber raises, and easily causes bleeding point by solution submergence, and air extractor cannot move; In the time of Lithium Bromide Absorption Refrigeration Cycle system large load operation, the lithium-bromide solution liquid level in absorber declines serious, will cause bleeding point too far away apart from absorber liquid level, reduces the effect that extracts of incoagulable gas.
Summary of the invention
Cannot ensure that in order to overcome the air extractor of existing fixed installation height bleeding point is closely placed in the deficiency of liquid level of solution top all the time, the invention provides a kind of float-type air extractor 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 be with on the float of liquid surface lifting, can ensure that lithium-bromide solution liquid level in absorber changes time, bleeding point is all the time higher than the liquid level of lithium-bromide solution.
The technical solution adopted for the present invention to solve the technical problems is: a kind of float-type air extractor of Lithium Bromide Absorption Refrigeration Cycle, it is characterized in that: described air extractor comprises exhaust tube, outer tube, float, described outer tube and float link together, and the relative absorber in exhaust tube position keeps fixing; Described outer tube is provided with the first bleeding point, and exhaust tube is provided with the second bleeding point, and the gas outlet of exhaust tube is communicated with extract system.
Described outer tube bottom is fixed wtih float, exhaust tube inserts absorber lithium-bromide solution inside, its bottom port sealing, outer tube is enclosed within exhaust tube outward and can slides up and down along exhaust tube outer wall, the first described bleeding point is the strip opening being positioned on outer tube tube wall, the second described bleeding point is the strip opening being positioned on exhaust tube tube wall, and when absorber is during in minimum liquid level, the second bleeding point top edge is lower than at least 1cm of outer sleeve upper mouth.
Described outer tube inserts absorber lithium-bromide solution inside, outer tube internal welding is connected to bearing, together with outer tube is nested into by bearing with exhaust tube, the first described bleeding point is the rectangular opening being positioned on the outer tube tube wall of float top, the bottom mouth of pipe that the second described bleeding point is exhaust tube, this bottom mouth of pipe is at least higher than the highest liquid level 5cm of absorber.
The first described bleeding point is to be welded on air intake duct on the outer tube tube wall of float top, and the second described bleeding point is the strip opening being positioned on exhaust tube tube wall.
The first described bleeding point is to be welded on air intake duct on the outer tube tube wall of float top, the bottom mouth of pipe that the second described bleeding point is exhaust tube.
Technical scheme provided by the invention is inserted the exhaust tube of a fixed position in the absorber of unit, and exhaust tube outer cover has outer tube, and outer tube is fixedly connected with float, by the suffered buoyancy of float, makes outer tube random groups inside liquid level automatic lifting.On outer tube, have bleeding point, due to the effect of float, can ensure that bleeding point is not by liquid level submergence, and remain 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 unit absorbed inside device lithium-bromide solution liquid level to change automatic bleeding regulating mouth position, has avoided the problem of solution submergence bleeding point, safe and reliable to operation.
Two, the present invention can ensure that bleeding point and liquid level remain a suitable distance, ensures the effect that extracts of incoagulable gas.
Three, the present invention is simple in structure, reliable and stable.
Brief description of the drawings
Fig. 1, Fig. 2, Fig. 3, the principle sketch that Fig. 4 is different embodiments of the present invention.
In figure, 1. exhaust tube, 2. outer tube, 3. float, 4. air intake duct, 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, a kind of float-type air extractor of Lithium Bromide Absorption Refrigeration Cycle, comprises exhaust tube 1 as shown in Figure 1, outer tube 2, float 3, described outer tube and float are fixed together, and the exhaust tube 1 relative absorber 5 in position keeps fixing; Described outer tube 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 is communicated with extract system.Described outer tube bottom is fixed wtih float, strip opening on the outer tube tube wall of float top is the first bleeding point, exhaust tube inserts absorber lithium-bromide solution inside, its bottom port sealing, outer tube is enclosed within exhaust tube outward and can slides 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 during in minimum liquid level, the second bleeding point top edge is lower than at least 1cm of outer sleeve upper mouth.Exhaust tube outer cover has outer tube, and a second bleeding point part is covered by outer tube, and the actual area of bleeding that ensures all the time bleeding point is the overlapping part of the first bleeding point and the second bleeding point.Outer sleeve bottom connects float, and when unit operation, liquid level rises, and float is with level change, drives outer tube to move, and avoids the first bleeding point on outer tube by solution submergence, and remains suitable distance with liquid level.Gas in absorber, by the overlapping part suction exhaust tube of the first bleeding point and the second bleeding point, is drawn into extract system via gas outlet.
Embodiment 2, a kind of float-type air extractor of Lithium Bromide Absorption Refrigeration Cycle, comprises exhaust tube 1 as shown in Figure 2, outer tube 2, float 3, described outer tube and float are fixed together, and the exhaust tube 1 relative absorber 5 in position keeps fixing; Described outer tube 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 is communicated with extract system.Described outer tube inserts absorber lithium-bromide solution inside, outer tube internal welding is connected to bearing, together with outer tube is nested into by bearing with exhaust tube, the first described bleeding point is the rectangular opening being positioned on the outer tube tube wall of float top, the bottom mouth of pipe that the second described bleeding point is exhaust tube, this bottom mouth of pipe is at least higher than the highest liquid level 5cm of absorber.Bearing has sealing effectiveness, avoids the gas leakage of outer tube top, can also play axial limiting effect.When unit operation, in absorber, the liquid level of lithium-bromide solution changes between the highest liquid level and minimum liquid level.The first exhaust tube inserts unit absorber inside, and the exhaust tube mouth of pipe is higher than the highest liquid level 20cm.Outer tube upper opening, shut bottom.Be connected with float apart from outer sleeve bottom certain distance, on the outer tube tube wall of float top, having the first bleeding point.Compare 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, outer tube conveniently moving.
Embodiment 3, the float-type air extractor of Lithium Bromide Absorption Refrigeration Cycle, comprises exhaust tube 1 as shown in Figure 3, outer tube 2, float 3, described outer tube and float are fixed together, and the exhaust tube 1 relative absorber 5 in position keeps fixing; Described outer tube 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 is communicated with extract system.Described outer tube bottom is fixed wtih float, being welded on air intake duct on the outer tube tube wall of float top is the first bleeding point, exhaust tube inserts absorber lithium-bromide solution inside, its bottom port sealing, outer tube is enclosed within exhaust tube outward and can slides 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 during in minimum liquid level, the second bleeding point top edge is lower than at least 1cm of outer sleeve upper mouth.
The float-type air extractor of Lithium Bromide Absorption Refrigeration Cycle, comprises exhaust tube 1 as shown in Figure 4, outer tube 2, and float 3, described outer tube and float are fixed together, and the exhaust tube 1 relative absorber 5 in position keeps fixing; Described outer tube 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 is communicated with extract system.Described outer tube inserts absorber lithium-bromide solution inside, outer tube internal welding is connected to bearing, together with outer tube is nested into by bearing with exhaust tube, the first described bleeding point is to be welded on air intake duct on the outer tube tube wall of float top, the bottom mouth of pipe that the second described bleeding point is exhaust tube, this bottom mouth of pipe is higher than the highest liquid level 20cm of absorber.Bearing has sealing effectiveness, avoids the gas leakage of outer tube top.
Claims (5)
1. a float-type air extractor for Lithium Bromide Absorption Refrigeration Cycle, is characterized in that: air extractor comprises exhaust tube, outer tube, and float, described outer tube and float link together, and the relative absorber in exhaust tube position keeps fixing; Described outer tube is provided with the first bleeding point, and exhaust tube is provided with the second bleeding point, and the gas outlet of exhaust tube is communicated with extract system.
2. the float-type air extractor of Lithium Bromide Absorption Refrigeration Cycle according to claim 1, it is characterized in that: described outer tube bottom is fixed wtih float, strip opening on the outer tube tube wall of float top is the first bleeding point, exhaust tube inserts absorber lithium-bromide solution inside, its bottom port sealing, outer tube is enclosed within exhaust tube outward and can slides 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 during in minimum liquid level, the second bleeding point top edge is lower than at least 1cm of outer sleeve upper mouth.
3. the float-type air extractor of Lithium Bromide Absorption Refrigeration Cycle according to claim 1, it is characterized in that: described outer tube inserts absorber lithium-bromide solution inside, outer tube internal welding is connected to bearing, together with outer tube is nested into by bearing with exhaust tube, the first described bleeding point is the rectangular opening being positioned on the outer tube tube wall of float top, the bottom mouth of pipe that the second described bleeding point is exhaust tube, this bottom mouth of pipe is at least higher than 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 to be welded on air intake duct on the outer tube tube wall of float top, and the second described bleeding point is the strip opening being positioned on exhaust tube tube wall.
5. according to the float-type air extractor of the Lithium Bromide Absorption Refrigeration Cycle described in claim 1 or 3, it is characterized in that: the first described bleeding point is to be welded on air intake duct on the outer tube tube wall of float top, the bottom mouth of pipe that the second described bleeding point is exhaust tube.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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 true CN104121733A (en) | 2014-10-29 |
| CN104121733B CN104121733B (en) | 2016-07-20 |
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| CN201410387214.9A Active CN104121733B (en) | 2014-08-07 | 2014-08-07 | The float-type air extractor of Lithium Bromide Absorption Refrigeration Cycle |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109847558A (en) * | 2017-11-30 | 2019-06-07 | 中国石油天然气股份有限公司 | Hydrogen sulfide removal system and process for storage tank |
| 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 |
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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 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109847558A (en) * | 2017-11-30 | 2019-06-07 | 中国石油天然气股份有限公司 | Hydrogen sulfide removal system and process for storage tank |
| 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 |
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| CN104121733B (en) | 2016-07-20 |
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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 |