CN202531975U - Automatic exhaust valve of heating medium oil system - Google Patents
Automatic exhaust valve of heating medium oil system Download PDFInfo
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- CN202531975U CN202531975U CN2011205264718U CN201120526471U CN202531975U CN 202531975 U CN202531975 U CN 202531975U CN 2011205264718 U CN2011205264718 U CN 2011205264718U CN 201120526471 U CN201120526471 U CN 201120526471U CN 202531975 U CN202531975 U CN 202531975U
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- valve
- filter screen
- valve body
- automatic control
- control pressure
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Abstract
The utility model relates to an automatic exhaust valve of a heating medium oil system. The automatic exhaust valve comprises a lower valve body (1), an upper valve body (2), a valve seat (3), a valve cover (4), a drainage body (5), a filter screen (6), an adjusting polish rod (7), an air float (8), an adjusting screw rod (9), a breather valve cover (11), a tee joint (12) and a filter screen (13), wherein the valve seat, the lower valve body, the upper valve body, the valve cover, the tee joint and the breather valve cover are successively connected together in a threaded manner; the filter screen (6) is disposed on a frustum in the lower portion of the inner cavity of the valve seat; the drainage body is installed in an inner hole penetrating the lower valve body and the upper valve body, two sides of the drainage body provided with holes; the air float is disposed in the upper valve body, with an upper concave groove provided with the adjusting polish rod; the adjusting screw rod is installed in an internal screw hole of the valve cover; and the filter screen (13) is disposed in a groove in the inner wall of the breather valve cover. The automatic exhaust valve is capable of effectively exhausting free water vapor generated in an inlet pipe section of a heating medium pump and hydrocarbon vapor in heating medium oil and thus guarantees normal operation of the heating medium system.
Description
Technical field
The utility model 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 water at atmospheric pressure heating system and high pressure water heating system, its product structure substantially as follows: valve body, pipe joint, float and venting gas appliance, valve body are sphere.Valve body is made up of drain pan, cap and seal ring; It is the guide shaft of float location that the center of drain pan is provided with, and venting gas appliance is formed spherical structure by the rubber sheet gasket of float upper end with the conehead exhaust nozzle that is loaded on the cap top; Advantages of small volume, float accurate positioning, flexibly movable.Product performance contain the dissolved air of 2VOL%, in the water delivery process generally speaking approximately in the water; These air are by constantly discharging in the water; Accumulating in the height point place of pipeline, form air bag (AIR POCKET), make water delivery become difficult. system's conveyance power of water is the about 5-15% of decline therefore.
Automatic control pressure vent is used for peak or the elbow on the pipeline or the place of holding one's breath is arranged, and comes the gas in the drain to come dredging pipeline, reaches proper functioning.As do not adorn 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 and negative pressure occurs and can cause pipe vibration or break when operation.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 the ball float structure, and exhaust is rapid, and the per minute air displacement is up to 1400L/min.Water supply company is installed big flow automatic control pressure vent usually and is discharged the pipeline air on water supply line; When main pipe when main supplies water; Before big flow automatic control pressure vent is used for the main of frequent switch. after outlet valve was installed, outlet valve was just discharged air before the air stream in the pipeline is crossed water meter; 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 the outlet valve rises, and closes exhaust port, stops water in exhaust port, to flow out.
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 installed in hydrocarbon and is key component has a following defective as heat transfer medium is in service: the link sealing material is a rubber, can not satisfy heat kerosene and under high temperature (180-220 ℃) operating mode, move; Can not satisfy under micro positive pressure (the vapor tension 10-320 of the 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, each binding site palpus strict seal of valve body does not allow seepage; Do not have to make gas mixture to obtain separated structures, do not reach the effect of Oil-gas Separation.
The model utility content
The technical problem that the utility model will solve provides 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 heating agent pump intake pipeline reaches the oil gas phase and separates; Can contained solution gas and water vapour in the heat kerosene be discharged.
For solving the problems of the technologies described above; The utility model heat kerosene system automatic control pressure vent is by valve body 1, upper valve body 2, valve seat 3, valve gap 4, drainage body 5, filter screen 6, adjusting polished rod 7, air supporting 8, adjusting screw rod 9, ventilative valve gap 11, threeway 12 and filter screen 13 are formed down.Wherein, above-mentioned valve seat 3, valve body 1, upper valve body 2, valve gap 4, threeway 12 and ventilative valve gap 11 are threaded successively down; Above-mentioned threeway 12 another passages screw in plug; Above-mentioned filter screen 6 places on the valve seat 3 inner chamber bottom frustums; Above-mentioned drainage body 5 is installed in down in valve body 1 and the endoporus that upper valve body 2 passes through mutually, and this drainage body 5 is a hollow cylindrical, and both sides are provided with perforate; Above-mentioned air supporting 8 is placed in the upper valve body 2, install adjustment polished rod 7 in these air supporting 8 upper female grooves, and this adjusting polished rod 7 is connected on same the axis by spring with adjusting screw rod 9; Above-mentioned adjusting screw rod 9 is installed 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; Air hole on the above-mentioned ventilative valve gap 11 is uniformly distributed with caping.
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 is chromium steel or brass with filter screen 13 materials.
Above-mentioned valve seat 3, 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 down, guarantee each connection part sealing.
Above-mentioned valve seat 3, upper valve body 1, valve body 2, valve gap 4, drainage body 5, adjusting screw rod 9, ventilative valve gap 11 and threeway 12 materials are brass down.Threeway 12 can be used and press threeway to substitute in the steel.
Adopt the present technique scheme, the utility model heat kerosene system automatic control pressure vent has been got rid of the gas that is produced by a variety of causes in the heat kerosene pump entry pipe-line system effectively; Thoroughly having solved the recycle pump that the heat kerosene recycle pump produces owing 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 the running current 85-90A, is merely 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 the heating agent stove 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 embodiment of the utility model is done further explain.
Fig. 1 is the structural representation of the utility model heat kerosene system automatic control pressure vent.
Embodiment
As shown in Figure 1; Gas-liquid separation chamber is arranged at the valve body bottom; By valve seat, down valve body, filter screen are formed, inside is diplopore drainage body, the multistorey strainer mesh that conical structure and side open and has formed desirable collision, gravity oil gas separation chamber, in the flow through netted worry bed of the indoor gas-liquid mixture of Oil-gas Separation; Gas rises along drainage body passage, realizes preliminary Oil-gas Separation in the liquid downwelling return pipe; Air-flow removes chamber (exhaust process) and is arranged at valve body top; Form by drainage body, air supporting, adjusting polished rod, spring, adjusting screw rod and upper valve body etc.; Can air-flow be introduced the oil mist trapping section fully, the exhaust system test condition of air supporting is at 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 the entrained oil mist is collided separation in the air scavenge process in the oil mist trapping device in the perspective cup, can monitor gas through the oil-collecting amount of perspective cup and carry liquid measure secretly.
When heat kerosene system automatic control pressure vent moved in heat kerosene technology, the heat kerosene gas mixture had been realized the separation of oil gas phase through gas-liquid separation chamber, and in the drop gravitate downwelling return pipe, gas removes the chamber via air-flow and discharges; The function of heat kerosene system automatic control pressure vent realization 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, realizes preliminary Oil-gas Separation in the liquid gravitate downwelling return pipe road; Heat kerosene system automatic control pressure vent realizes that the function that gas is discharged is drainage body 5, air supporting 8, regulates 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 keys of control air displacement, has considered the measure of quality of regulation in the design, can gas be got rid of fully; The effect of filter screen 13 traps perspective cup 10 after can gas entrained oil mist further being collided separation, and gas is discharged along ventilative valve gap.Regulate polished rod 7 and formed adjusting tolerance mechanism with adjusting screw rod 9; The dissolving tolerance difference that different heat kerosenes is contained; Between the stoppage in transit luggage to put the steam vapour amount that condenses also inequality; The spring that is connected through timely adjustment adjusting polished rod 7 and adjusting screw rod 9 can be arranged at desirable running state with heat kerosene system automatic control pressure vent.
The plug that screws in the threeway 12 is opened, transferred the pine or the adjusting screw rod 9 of screwing to 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 is installed and is used: heat kerosene system 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 or the maintenance in the time of should establishing cut-off valve and be convenient to working conditions change with pipeline.Different before heat kerosene system automatic control pressure vent is installed according to process parameter, should utilize ground installation to do air displacement, pressure adjusting.If contain a large amount of moisture in the heat kerosene system, should adopt alternate manner to get rid of most of moisture after, utilize the automatic vent valve exhaust again.Effect is more outstanding when perhaps changing heat kerosene when automatic control pressure vent is gone into operation in the heat kerosene system; 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; Such is very harmful to pipe network and automatic control pressure vent, and the filter screen 6 in the automatic control pressure vent will clean according to use condition with filter screen 13.
Claims (7)
1. heat kerosene system automatic control pressure vent; Be made up of following valve body (1), upper valve body (2), valve seat (3), valve gap (4), drainage body (5), filter screen (6), adjusting polished rod (7), air supporting (8), adjusting screw rod (9), perspective cup (10), breathe freely valve gap (11), threeway (12) and filter screen (13), it is characterized in that: said valve seat (3), following valve body (1), upper valve body (2), valve gap (4), threeway (12) and ventilative valve gap (11) are threaded successively; Another passage of said threeway (12) screws in plug; Said filter screen (6) places on the frustum of valve seat (3) inner chamber bottom; Said drainage body (5) is installed in down in valve body (1) and the endoporus that upper valve body (2) passes through mutually, and this drainage body (5) is a hollow cylindrical, and both sides are provided with perforate; Said air supporting (8) is placed in the upper valve body (2), install adjustment polished rod (7) in this air supporting (8) upper female groove, and this adjusting polished rod (7) is connected on same the axis by spring with adjusting screw rod (9); Said adjusting screw rod (9) is installed in the inner bolt hole of valve gap (4); Said filter screen (13) is placed in the groove of ventilative valve gap (11) inwall; Air hole on the said ventilative valve gap (11) is uniformly distributed with caping.
2. heat kerosene according to claim 1 system automatic control pressure vent is characterized in that: said 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: said 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: said 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: said 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 is characterized in that: said valve seat (3), 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 down.
7. heat kerosene according to claim 1 system automatic control pressure vent is characterized in that: said valve seat (3), upper valve body (1), valve body (2), valve gap (4), drainage body (5), adjusting screw rod (9), ventilative valve gap (11) and threeway (12) material are brass down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205264718U CN202531975U (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 |
|---|---|---|---|
| CN2011205264718U CN202531975U (en) | 2011-12-15 | 2011-12-15 | Automatic exhaust valve of heating medium oil system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202531975U true CN202531975U (en) | 2012-11-14 |
Family
ID=47133162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205264718U Expired - Lifetime CN202531975U (en) | 2011-12-15 | 2011-12-15 | Automatic exhaust valve of heating medium oil system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202531975U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103161994A (en) * | 2011-12-15 | 2013-06-19 | 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 CN2011205264718U patent/CN202531975U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103161994A (en) * | 2011-12-15 | 2013-06-19 | 中国石油天然气股份有限公司 | Automatic exhaust valve of heating medium oil system |
| CN103161994B (en) * | 2011-12-15 | 2015-01-21 | 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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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20121114 Effective date of abandoning: 20150121 |
|
| RGAV | Abandon patent right to avoid regrant |