CN103161994A - Automatic exhaust valve of heating medium oil system - Google Patents
Automatic exhaust valve of heating medium oil system Download PDFInfo
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- CN103161994A CN103161994A CN2011104195185A CN201110419518A CN103161994A CN 103161994 A CN103161994 A CN 103161994A CN 2011104195185 A CN2011104195185 A CN 2011104195185A CN 201110419518 A CN201110419518 A CN 201110419518A CN 103161994 A CN103161994 A CN 103161994A
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- filter screen
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- control pressure
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Abstract
The invention discloses an automatic exhaust valve of a heating medium oil system. The valve is composed of a lower valve body (1), an upper valve body (2), a valve base (3), a valve cover (4), a flow guide body (5), a filtering net (6), an adjusting polish rod (7), an air floater (8), an adjusting screw rod (9), an air-permeable valve cover (11), a tee joint (12) and a filtering net (13), wherein the valve base, the lower valve body, the upper valve body, the valve cover, the tee joint and the air-permeable valve cover are sequentially in threaded connection, the filtering net (6) is arranged on a cone on the lower portion of an inner cavity of the valve base, the flow guide body is installed in inner holes which are formed in the lower valve body and the upper valve body, two sides of the flow guide body are provided with openings, the air floater is arranged in the upper valve body, the adjusting polish rod is installed in a concave groove in the upper portion of the air floater, the adjusting screw rod is installed in an inner screw hole in the valve cover, and the filtering net (13) is arranged in a groove in the inner wall of the air-permeable valve cover. The exhaust valve can effectively remove free steam generated in an inlet pipe section of a heating medium pump and hydrocarbon vapor in heating medium oil, and guarantees normal operation of the heating medium oil system.
Description
Technical field
The present invention relates to a kind of heat kerosene system automatic control pressure vent.
Background technique
At present, the plurality of specifications of selling on the Domestic market, function are suitable for the automatic control pressure vent of normal water-heating system and high-pressure water-heating system, and its product structure is substantially as follows: valve body, pipe joint, float and venting gas appliance, valve body are spherical.Valve body is comprised of drain pan, cap and seal ring, it is the guide shaft of float location that the center of drain pan arranges, and venting gas appliance is comprised of the rubber sheet gasket of float upper end and the conehead exhaust nozzle that is loaded on the cap top, spherical structure, volume is small and exquisite, float accurate positioning, flexibly movable.Product performance generally approximately contain the dissolved air of 2VOL% in water, in the water delivery process, these air are by constantly discharging in water, be gathered in the height point place of pipeline, form air bag (AIR POCKET), make the water delivery difficulty that becomes. system's conveyance power of water approximately 5-15% that can therefore descend.
Automatic control pressure vent is used for peak or the elbow on pipeline or the place of holding one's breath is arranged, and comes the gas in drain to come dredging pipeline, reaches normal operation.As not filling this valve, vapour lock appears in pipeline at any time, makes pipeline water capacity occur and does not reach designing requirement.Secondly; Pipeline power failure, termination of pumping and pipeline occur in when operation and negative pressure occurs and can cause pipe vibration or break.The DN15 automatic control pressure vent is widely used in the occasion of a large amount of exhausts of various needs such as waterworks, sewage treatment works, adopts floating ball structure, and exhaust is rapid, and air displacement per minute is up to 1400L/min.Water supply company is usually installed large flow automatic control pressure vent and is discharged pipeline air on water supply line, when main pipe supplies water to main, before large flow automatic control pressure vent is used for the main of frequent switch. after outlet valve is installed, outlet valve is before the air in pipeline flows through water meter, just with Bas Discharged, current are flowed out very soon, also effectively prevented the idle running of water meter simultaneously.When water process outlet valve, the ball float in outlet valve rises, and closes exhaust port, stops water to flow out in exhaust port.
The automatic control pressure vent overwhelming majority is that industry, civilian plumbing technological process are used, be applicable to normal temperature steam occasion, if the heat kerosene that is arranged on hydrocarbon and is key component has a following defective as heat transfer medium is in service: the link sealing material is rubber, can not satisfy heat kerosene and move under high temperature (180-220 ℃) operating mode; Can not satisfy under micro positive pressure (the vapor tension 10-320 of conduction oil ℃ of boiling range 250-350Pa) operating mode and carry out automatic vent; Automatic control pressure vent sealing material rubber is oil resistant not, inapplicable oil gas place, and heat kerosene is inflammable, explosive medium, and each binding site of valve body must strict sealing, does not allow seepage; There is no the structure that can make gas mixture obtain separating, do not reach the effect of Oil-gas Separation.
Summary of the invention
The technical problem to be solved in the present invention is to provide that a kind of heat kerosene system automatic control pressure vent is high temperature resistant, oil resistant soaks, and contacts indeformable with hydrocarbon; Realize that the heat medium pump entrance pipe reaches the oil gas phase and separates; Contained solution gas and water vapor in heat kerosene can be discharged.
For solving the problems of the technologies described above, heat kerosene of the present invention system automatic control pressure vent is by lower valve body 1, upper valve body 2, valve seat 3, valve gap 4, drainage body 5, filter screen 6, regulate polished rod 7, air supporting 8, adjusting screw rod 9, ventilative valve gap 11, threeway 12 and filter screen 13 and form.Wherein, above-mentioned valve seat 3, lower valve body 1, upper valve body 2, valve gap 4, threeway 12 and ventilative valve gap 11 are threaded successively; The remaining passage of above-mentioned threeway 12 screws in plug; Above-mentioned filter screen 6 is placed on valve seat 3 inner chamber bottom frustums; Above-mentioned drainage body 5 is arranged in the endoporus that lower valve body 1 and upper valve body 2 pass through mutually, and this drainage body 5 is hollow cylindrical, and both sides are provided with perforate; Above-mentioned air supporting 8 is placed in upper valve body 2, installs in these air supporting 8 upper female grooves and regulates polished rod 7, and this adjusting polished rod 7 is connected on the same axis by spring with adjusting screw rod 9; Above-mentioned adjusting screw rod 9 is arranged in the inner bolt hole of valve gap 4; Above-mentioned filter screen 13 is placed in the groove of ventilative valve gap 11 inwalls; The uniform caping of air hole on above-mentioned ventilative valve gap 11.
Above-mentioned ventilative valve gap 11 is threaded with monitoring perspective cup 10.
Above-mentioned filter screen 6 and filter screen 13 are by the stacked filter bed that forms of double layer of metal silk screen at least.
Above-mentioned filter screen 6 and filter screen 13 are by six layers of stacked filter bed that forms of wire gaze.
Above-mentioned filter screen 6 and filter screen 13 materials are chromium steel or brass.
Above-mentioned valve seat 3, lower valve body 1, upper valve body 2, valve gap 4, threeway 12 and ventilative valve gap 11 are settled the red copper gasket seal each other, guarantee each connection part sealing.
Above-mentioned valve seat 3, upper valve body 1, lower valve body 2, valve gap 4, drainage body 5, adjusting screw rod 9, ventilative valve gap 11 and threeway 12 materials are brass.Threeway 12 can be with pressing threeway to substitute in steel.
Adopt the technical program, heat kerosene of the present invention system automatic control pressure vent has been got rid of the gas that is produced by a variety of causes in heat kerosene pump entry pipe-line system effectively; Thoroughly having solved the recycle pump that the heat kerosene recycle pump produces due to cavitation erosion finds time and the strenuous vibration fault; Coming into operation of heat kerosene system automatic control pressure vent guaranteed the smooth running of heat medium circulation pump, between running current 85-90A, is only 50-60A during the pump depletion operation, and pump efficiency improves 25%; Get rid of the destructive hidden danger of installing the caused water hammer of liquid entrainment gas in service and centrifugal pump, pipeline, valve etc. being caused, eliminated frequent seepage, the breakage problem that occurs of metallic hose; Changed that medium bias current in hot Media Oven operation boiler tube, temperaturing lifting abnormality, boiler tube are burnt partially, the abnormal state of temperature rise; Changed post employee manual method for exhausting and the issuable personnel injury of ascending a height of offering sb. a chance to remedy a fault gracefully; Solve the sealing of each connection part of valve body, reduced disaster hidden-trouble.
Description of drawings
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.
Fig. 1 is the structural representation of heat kerosene of the present invention system automatic control pressure vent.
Embodiment
As shown in Figure 1, gas-liquid separation chamber is arranged at bottom valve body, formed by valve seat, lower valve body, filter screen, inside is Double-hole drainage body, multistorey strainer mesh that conical structure and side open and has formed desirable collision, gravity oil gas separation chamber, at the Oil-gas Separation Indoor Air liquid mixture netted worry bed of flowing through, gas rises along drainage body passage, and liquid sedimentation flows back to and realizes preliminary Oil-gas Separation in pipe; Air-flow removes chamber (exhaust process) and is arranged at valve body top, formed by drainage body, air supporting, adjusting polished rod, spring, adjusting screw rod and upper valve body etc., air-flow can be introduced the oil mist trapping section fully, the exhaust system test condition of air supporting is ambient temperature 15-28 ℃, pressure＞1 * 10
2Pa gas can be discharged continuously; The oil mist trapping device is installed on a side of main valve body, is deposited on after in the air scavenge process, the entrained oil mist is collided separation in the oil mist trapping device in the perspective cup, but carries liquid measure secretly by the oil-collecting amount gas-monitoring of perspective cup.
Heat kerosene system automatic control pressure vent is when the heat kerosene process operation, and the heat kerosene gas mixture has been realized the separation of oil gas phase by gas-liquid separation chamber, and in drop gravitate downwelling return pipe, gas removes the chamber via air-flow and discharges; Heat kerosene system automatic control pressure vent realizes that the function of oil gas initial gross separation is that multistorey strainer mesh 6 wire gazes of valve seat 3 inner chamber settings make gas mixture collide separation, cone type inner chamber body valve seat 3 makes the gas flow process produce centrifugal force, and gas mixture carries out centrifugation and gravity separation; The diplopore cylinder type drainage body 5 that side is opened makes the Oil-gas Separation indoor gas rise along drainage body passage, and liquid gravitate downwelling return pipe is realized preliminary Oil-gas Separation in the road; Heat kerosene system automatic control pressure vent realizes that the function that gas is discharged is drainage body 5, air supporting 8, adjusting polished rod 7, adjusting screw rod 9, filter screen 13 and 11 actings in conjunction of ventilative valve gap; The size of air supporting 8 quality is to control the key of air displacement, has considered the measure of quality of regulation in design, gas can be got rid of fully; The effect of filter screen 13 traps perspective cup 10 after gas entrained oil mist further can being collided separation, and gas is discharged along ventilative valve gap.Regulate polished rod 7 and adjusting screw rod 9 and formed adjusting tolerance mechanism, the dissolved gas difference that different heat kerosenes is contained, between to stop the water vapor amount that running gear condenses not identical yet, regulate the linking springs of polished rod 7 and adjusting screw rod 9 by timely adjustment, heat kerosene system automatic control pressure vent can be arranged at desirable running state.
The plug that screws in threeway 12 is opened, transferred pine or screw adjusting screw rod 9 and can carry out heat kerosene system automatic control pressure vent air displacement and regulate.
For the connection part that prevents this valve of heat kerosene seepage all adopts the red copper material seal, connecting thread is fastening simultaneously.
Heat kerosene system automatic control pressure vent installation and use: heat kerosene system's automatic control pressure vent mounting point should be before heat medium circulation pump the high point of system pipeline.Heat kerosene system automatic control pressure vent uses when being connected adjusting in the time of should establishing cut-off valve and be convenient to working conditions change or maintenance with pipeline.Different according to process parameter before heat kerosene system automatic control pressure vent is installed, should utilize ground installation to do air displacement, pressure adjusting.If contain a large amount of moisture in the heat kerosene system, after should adopting alternate manner to get rid of most of moisture, recycling automatic vent valve exhaust.Effect is more outstanding when automatic control pressure vent is gone into operation in the heat kerosene system or when changing heat kerosene, but must carry out this moment in strict accordance with the temperature rise curve of pipestill for heat carrier, can not be because of there being automatic control pressure vent just to heat up not according to temperature rise curve, like that pipe network and automatic control pressure vent are harmful to very much, filter screen 6 and filter screen 13 in automatic control pressure vent will clean according to use condition.
Claims (7)
1. heat kerosene system automatic control pressure vent, by lower valve body (1), upper valve body (2), valve seat (3), valve gap (4), drainage body (5), filter screen (6), regulate polished rod (7), air supporting (8), adjusting screw rod (9), perspective cup (10), ventilative valve gap (11), threeway (12) and filter screen (13) form, it is characterized in that: described valve seat (3), lower valve body (1), upper valve body (2), valve gap (4), threeway (12) and ventilative valve gap (11) are threaded successively, another passage of described threeway (12) screws in plug, described filter screen (6) is placed on the frustum of valve seat (3) inner chamber bottom, described drainage body (5) is arranged in the endoporus that lower valve body (1) and upper valve body (2) pass through mutually, and this drainage body (5) is hollow cylindrical, and both sides are provided with perforate, described air supporting (8) is placed in upper valve body (2), installs in this air supporting (8) upper female groove and regulates polished rod (7), and this adjusting polished rod (7) is connected on the same axis by spring with adjusting screw rod (9), described adjusting screw rod (9) is arranged in the inner bolt hole of valve gap (4), described filter screen (13) is placed in the groove of ventilative valve gap (11) inwall, the uniform caping of air hole on described ventilative valve gap (11).
2. heat kerosene according to claim 1 system automatic control pressure vent, it is characterized in that: described ventilative valve gap (11) is threaded with monitoring perspective cup (10).
3. heat kerosene according to claim 1 system automatic control pressure vent is characterized in that: described filter screen (6) and filter screen (13) are by the stacked formation filter bed of double layer of metal silk screen at least.
4. heat kerosene according to claim 3 system automatic control pressure vent, it is characterized in that: described filter screen (6) and filter screen (13) are by six layers of stacked formation filter bed of wire gaze.
5. according to claim 3 or 4 described heat kerosene system automatic control pressure vents, it is characterized in that: described filter screen (6) and filter screen (13) material are chromium steel or brass.
6. heat kerosene according to claim 1 system automatic control pressure vent, it is characterized in that: described valve seat (3), lower valve body (1), upper valve body (2), valve gap (4), threeway (12) and ventilative valve gap (11) are settled the red copper gasket seal each other.
7. heat kerosene according to claim 1 system automatic control pressure vent, it is characterized in that: described valve seat (3), upper valve body (1), lower valve body (2), valve gap (4), drainage body (5), adjusting screw rod (9), ventilative valve gap (11) and threeway (12) material are brass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110419518.5A CN103161994B (en) | 2011-12-15 | 2011-12-15 | Automatic exhaust valve of heating medium oil system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110419518.5A CN103161994B (en) | 2011-12-15 | 2011-12-15 | Automatic exhaust valve of heating medium oil system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103161994A true CN103161994A (en) | 2013-06-19 |
| CN103161994B CN103161994B (en) | 2015-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110419518.5A Active CN103161994B (en) | 2011-12-15 | 2011-12-15 | Automatic exhaust valve of heating medium oil system |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87201504U (en) * | 1987-05-03 | 1988-07-06 | 魏强 | Hot water self-exhaust valve for heating |
| CN2054132U (en) * | 1989-09-05 | 1990-03-07 | 北京市建筑五金装饰材料工业公司 | Air outlet valve actuated by float |
| CN2212110Y (en) * | 1995-04-12 | 1995-11-08 | 金德生 | Quick action exhaust valve |
| JP3805660B2 (en) * | 2001-10-29 | 2006-08-02 | 政和 山本 | Ball type fire hydrant with built-in air valve |
| CN101012886A (en) * | 2007-02-12 | 2007-08-08 | 林春晓 | New type automatic exhaust steam valve |
| US7481238B2 (en) * | 2005-08-09 | 2009-01-27 | Roger Ramoth | Automatic degassing valve |
| CN202531975U (en) * | 2011-12-15 | 2012-11-14 | 中国石油天然气股份有限公司 | Automatic exhaust valve of heating medium oil system |
-
2011
- 2011-12-15 CN CN201110419518.5A patent/CN103161994B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87201504U (en) * | 1987-05-03 | 1988-07-06 | 魏强 | Hot water self-exhaust valve for heating |
| CN2054132U (en) * | 1989-09-05 | 1990-03-07 | 北京市建筑五金装饰材料工业公司 | Air outlet valve actuated by float |
| CN2212110Y (en) * | 1995-04-12 | 1995-11-08 | 金德生 | Quick action exhaust valve |
| JP3805660B2 (en) * | 2001-10-29 | 2006-08-02 | 政和 山本 | Ball type fire hydrant with built-in air valve |
| US7481238B2 (en) * | 2005-08-09 | 2009-01-27 | Roger Ramoth | Automatic degassing valve |
| CN101012886A (en) * | 2007-02-12 | 2007-08-08 | 林春晓 | New type automatic exhaust steam valve |
| CN202531975U (en) * | 2011-12-15 | 2012-11-14 | 中国石油天然气股份有限公司 | Automatic exhaust valve of heating medium oil system |
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| Publication number | Publication date |
|---|---|
| CN103161994B (en) | 2015-01-21 |
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