CN101975285B - Five-way plastic valve for drilling hole during gas extraction, and installation and use method thereof - Google Patents
Five-way plastic valve for drilling hole during gas extraction, and installation and use method thereof Download PDFInfo
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- CN101975285B CN101975285B CN2010105028005A CN201010502800A CN101975285B CN 101975285 B CN101975285 B CN 101975285B CN 2010105028005 A CN2010105028005 A CN 2010105028005A CN 201010502800 A CN201010502800 A CN 201010502800A CN 101975285 B CN101975285 B CN 101975285B
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- connecting tube
- tube joint
- valve
- joint
- collar nut
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Abstract
The invention discloses a five-way plastic valve for drilling holes during gas extraction, and an installation and use method thereof, wherein the five-way plastic valve comprises a valve body. The inner of the valve body is provided with an upper connecting pipe joint, a left connecting pipe joint, a right connecting pipe joint, a lower dredging joint and a gas detecting port which are communicated mutually. The upper connecting pipe joint, the left connecting pipe joint and the right connecting pipe joint are respectively provided with an upper pipe hoop nut, a left pipe hoop nut and a right pipe hoop nut in thread connection. The lower dredging joint is in thread connection with a slag sedimentator, and the valve body is provided with a gas flow regulating device. All the parts can be manufactured by the injection molding of a poly ethylene (PE) material with light weight, strong corrosion resistance and good tightness. When the valve is used, the gas flow regulating device is controlled to regulate the gas flow, and the regulation opening can be indicated accurately. When the valve body is blocked by the coal dust or the slag, the slag sedimentator can be screwed off to remove the coal dust or the slag in the cavity of the slag sedimentator, or the slag sedimentator can be cleaned in regular period. The valve has convenient operation, and can fully enhance the safety performance of the gas extraction work in coal mine.
Description
Technical field
The invention belongs to coal mine gas extraction technical field, be specifically related to a kind of coal mine down-hole drilling gas pumping that is used for and join the last mash gas pumping drilling that uses of pipe with five-way plastic valve and installation and application thereof.
Background technique
The coal-bed gas extraction is to administer damp and one of control coal and the outstanding most effectual way of gas, and it is not only the needs of safety in production, also is to save pressing for of the energy, protection environment.The mash gas pumping drilling control valve is that gas pumping joins the vitals in the pipe; The used control valve of China's gas pumping mainly is the ironware valve body for a long time, and the problem that this valve body exists is more, shows that mainly couplet pipe speed is slow, equipment is heavy, cost is high, anti-corrosion capacity is poor; Take place in the valve body can not in time clear up after the slag body stops up; The boring gas flow is regulated the aperture size and can not accurately be indicated, and this just makes the gas pumping pipeline have hidden danger such as gas leakage, therefore causes many borings to be closed; This not only causes the huge waste of resource, and stays great hidden to the colliery safety in production.
Summary of the invention
The present invention is in order to solve deficiency of the prior art, provides a kind of in light weight, with low cost, mash gas pumping drilling that corrosion resistance is strong with five-way plastic valve and installation and application thereof.
For solving the problems of the technologies described above; The present invention adopts following technological scheme: mash gas pumping drilling is used the five-way plastic valve; Comprise valve body; Said valve body is provided with last connecting tube joint, left connecting tube joint, right connecting tube joint, following mediation joint and the survey valve that inside is interconnected; Wherein go up and be bolted with pipe collar nut, left pipe collar nut and right pipe collar nut on connecting tube joint, left connecting tube joint and the right connecting tube joint respectively, following mediation joint is bolted with the grain slag precipitator, and valve body is provided with the gas flow controlling device.
Said gas flow controlling device comprises the sleeve spool valve that is located in the valve body; The axial two ends of sleeve spool valve are communicated with left connecting tube joint and right connecting tube joint respectively; The sleeve spool valve circumference is arranged with respectively upper shed and the under shed with last connecting tube joint and following mediation joint up and down; Be rotatably connected to the switch ring on left side connecting tube joint or the right connecting tube joint; Offer 1/4th circumference annular space on a left side connecting tube joint or the right connecting tube joint corresponding to the switch ring, the switch ring is fixedly connected with sleeve spool valve through the fixing bolt that is located in the circumference annular space.
Said connecting tube joint, left connecting tube joint, the right connecting tube joint inner shaft gone up is to the structure that is inner small and outside big two kinds of different inner diameters; Last connecting tube joint, left connecting tube joint, the inboard port of right connecting tube joint are equipped with the interior step with ring-type chamfering; Last pipe collar nut, left pipe collar nut and right pipe collar nut inside upper surface are equipped with the outer step with ring-type chamfering, are provided with trapezoidal seal ring between outer step and the interior step.
Said switch ring is provided with graduation line, and valve body is provided with the witness marker corresponding with graduation line.
The upper shed of said sleeve spool valve, under shed be shaped as rectangle; Last connecting tube joint and following mediation joint also are rectangle with the opening shape of the corresponding connection of upper shed, under shed of sleeve spool valve, are provided with rectangular seal between the rectangular aperture outside of last connecting tube joint and the sleeve spool valve outer rim.
Said survey valve is located on the connecting tube joint, surveys the rubber cap that valve is provided with the band rubber band, and rubber band is set on the connecting tube joint.
Be provided with the two seals circle between said switch ring inner ring and left connecting tube joint or the right connecting tube joint surface, the grain slag precipitator is provided with the Ο RunddichtringO with the joint of following mediation joint.
Said five-way valve is installed in mash gas pumping drilling to be joined in the middle of the pipe arrangement; Back out pipe collar nut, left pipe collar nut and right pipe collar nut; Trapezoidal seal ring is stayed wherein; Then vertical connecting tube, left transverse connecting pipe and right transverse connecting pipe are inserted to go up in connecting tube joint, left connecting tube joint and the right connecting tube joint and closely contact with the reducing place; Tighten pipe collar nut, left pipe collar nut and right pipe collar nut again; Trapezoidal seal ring inwall closely contacts with vertical connecting tube, left transverse connecting pipe, right transverse connecting pipe respectively, and trapezoidal seal ring outer wall closely contacts with last pipe collar nut, left connecting tube joint and left pipe collar nut, right connecting tube joint and right pipe collar nut with last connecting tube joint respectively.
After five-way valve is installed; When needing the adjustment gas flow; The rotary switch ring; Make the graduation line size on the switch ring corresponding with witness marker, the switch ring drives the sleeve spool valve rotation through fixing bolt, and fixing bolt is rotation in 1/4th the circumference annular space on left connecting tube joint or right connecting tube joint; Thereby in the adjustment rectangle upper shed on the rectangular aperture of connecting tube joint bottom and sleeve spool valve top be communicated with size, gas by last connecting tube joint left the flow of connecting tube joint or right connecting tube joint promptly change.
When in the boring ickings or water being arranged; Ickings is deposited in the grain slag precipitator owing to the action of gravity meeting; When the valve inner obstruction that the boring ickings too much causes occurring; Turn round down the grain slag precipitator ickings or the water of grain slag precipitator internal cavity splendid attire are cleared up, avoid pipeline blockage, also can regularly clear up the grain slag precipitator; Need measure gas pressure and the gas density in the boring, back out rubber cap, use surveying instrument to measure at survey valve place.
Adopt technique scheme, the beneficial effect that reaches has:
1, valve body has five paths; Gas gets into from last connecting tube joint; Discharge from left connecting tube joint or right connecting tube joint; The following grain slag precipitator inside that following mediation joint is spirally connected has certain volumetric spaces, is used for precipitating ickings and the water that the cleaning gas circuit precipitates, and the volume size of grain slag precipitator can be carried out the appropriate change of volume and shape according to actual conditions; Survey valve and be used for measuring gas channel gas density and pressure, can be according to actual needs, operation gas flow controlling device is adjusted valve body internal channel size to regulate gas flow.
2, through the rotary switch ring, drive sleeve spool valve through fixing bolt and rotate, the rectangle upper shed through adjusting its upper shed and last connecting tube joint be communicated with size, just can reach the purpose of adjusting gas flow.
3, trapezoidal seal ring plays the effect of joint between the vertical connecting tube of sealing and last connecting tube joint, left transverse connecting pipe and left connecting tube joint, right transverse connecting pipe and the right connecting tube joint; Rectangular seal all plays sealing with the inboard two seals circle that is provided with of switch ring and makes the gastight effect of rotation place that is connected.
4, the switch ring is provided with graduation line, and valve body is provided with the witness marker corresponding with graduation line, the openings of sizes in the graduation line indication valve body, and this is convenient to rotary manipulation switch ring makes its graduation line corresponding with witness marker, reaches the function of regulating gas flow quantitatively.
5, survey the rubber cap of valve, use rubber injection mold to form, have rubber band, have certain elasticity, rubber band can be enclosed within on the last connecting tube joint of valve body, loses after preventing to take off rubber cap.
Five-way valve of the present invention is simple in structure, and valve body can adopt the PE material disposable injection molded, in light weight, and cost is low; Anti-corrosion capacity is strong, and is provided with the gas flow controlling device and can prevents to stop up the structure of timely scarfing cinder, regulates aperture and can accurately indicate; Be easy to install, good airproof performance, operating method is also very easy; Fully improve the Safety performance of coal mine gas extraction operation, practical, be easy to apply.
Description of drawings
Fig. 1 is an external structure schematic representation of the present invention;
Fig. 2 is an internal structure schematic representation of the present invention.
Embodiment
Like Fig. 1, shown in Figure 2; Mash gas pumping drilling of the present invention is used the five-way plastic valve; Comprise valve body 1; Valve body 1 is provided with last connecting tube joint 2, left connecting tube joint 3, right connecting tube joint 4, following mediation joint 5 and the survey valve 6 that inside is interconnected; Wherein go up and be bolted with pipe collar nut 7, left pipe collar nut 8 and right pipe collar nut 9 on connecting tube joint 2, left connecting tube joint 3 and the right connecting tube joint 4 respectively, following mediation joint 5 is bolted with grain slag precipitator 10, and the volume size of grain slag precipitator 10 inner chambers can be carried out the appropriate change of volume and shape according to actual conditions; Last connecting tube joint 2, left connecting tube joint 3, right connecting tube joint 4 inner shafts are to the structure that is inner small and outside big two kinds of different inner diameters; Last connecting tube joint 2, left connecting tube joint 3, right connecting tube joint 4 inboard ports are equipped with the interior step 11 with ring-type chamfering; Last pipe collar nut 7, left pipe collar nut 8 and right pipe collar nut 9 inside upper surface are equipped with the outer step 12 with ring-type chamfering, are provided with trapezoidal seal ring 13 between outer step 12 and the interior step 11.Survey valve 6 and be located on the connecting tube joint 2, survey the rubber cap 15 that valve 6 is provided with band rubber band 14, rubber band 14 is set on the connecting tube joint 2, and valve body 1 is provided with the gas flow controlling device.
The gas flow controlling device comprises the sleeve spool valve 16 that is located in the valve body 1; The axial two ends of sleeve spool valve 16 are communicated with right connecting tube joint 4 with left connecting tube joint 3 respectively; Sleeve spool valve 16 circumference are arranged with respectively rectangle upper shed 17 and the under shed 18 with last connecting tube joint 2 and following mediation joint 5 up and down; Be rotatably connected to switch ring 19 on the right connecting tube joint 4; Offer the circumference annular space 20 of twice 1/4th on the right connecting tube joint 4 corresponding to switch ring 19, switch ring 19 is fixedly connected with sleeve spool valve 16 through two fixing bolts 21 that are located in the twice circumference annular space 20.Switch ring 19 is provided with graduation line 30, and valve body 1 is provided with the witness marker 22 corresponding with graduation line 30.Last connecting tube joint 2 also is rectangle with following mediation joint 5 with the upper shed 17 of sleeve spool valve 16, opening 23 shapes of under shed 18 corresponding connections, is provided with rectangular seal 24 between rectangular aperture 23 outsides of last connecting tube joint 2 and sleeve spool valve 16 outer rims.Be provided with two seals circle 25 between switch ring 19 inner rings and right connecting tube joint 4 surfaces, grain slag precipitator 10 is provided with Ο RunddichtringO 26 with the joint of following mediation joint 5.
Mash gas pumping drilling uses the installation and application of five-way plastic valve to do; Five-way valve is installed in mash gas pumping drilling to be joined in the middle of the pipe arrangement; Back out pipe collar nut 7, left pipe collar nut 8 and right pipe collar nut 9; Trapezoidal seal ring 13 is stayed wherein; Then vertical connecting tube, left transverse connecting pipe and right transverse connecting pipe are inserted to go up in connecting tube joint 2, left connecting tube joint 3 and the right connecting tube joint 4 and closely contact with reducing place 27,28,29; Tighten pipe collar nut 7, left pipe collar nut 8 and right pipe collar nut 9 again, trapezoidal seal ring 13 inwalls closely contact with vertical connecting tube, left transverse connecting pipe, right transverse connecting pipe respectively, and trapezoidal seal ring outer wall closely contacts with right pipe collar nut 9 with left pipe collar nut 8, right connecting tube joint 4 with last connecting tube joint 2 and last pipe collar nut 7, left connecting tube joint 3 respectively.
After five-way valve is installed; When needing the adjustment gas flow; Rotary switch ring 19; Make graduation line 30 sizes on the switch ring 19 corresponding with witness marker 22, switch ring 19 drives sleeve spool valve 16 through two fixing bolts 21 and rotates, and rotates in the circumference annular space 20 of two fixing bolts 21 twice 1/4th on right connecting tube joint 4; Thereby in the adjustment rectangle upper shed 17 on the rectangular aperture 23 of connecting tube joint 2 bottoms and sleeve spool valve 16 tops be communicated with size, gas by last connecting tube joint 2 left the flow of connecting tube joint 3 and right connecting tube joint 4 promptly change.
When in the boring ickings or water being arranged; Ickings is deposited in the grain slag precipitator 10 owing to the action of gravity meeting; When valve body 1 inner obstruction that the boring ickings too much causes occurring; Turn round down the ickings or the water of 10 pairs of grain slag precipitators of grain slag precipitator internal cavity splendid attire and clear up, avoid pipeline blockage, also can regularly clear up grain slag precipitator 10; Need measure gas pressure and the gas density in the boring, back out rubber cap 15, use surveying instrument to measure at survey valve 6 places.
Claims (9)
1. mash gas pumping drilling is used the five-way plastic valve; Comprise valve body; It is characterized in that: said valve body is provided with last connecting tube joint, left connecting tube joint, right connecting tube joint, following mediation joint and the survey valve that inside is interconnected; Wherein go up and be bolted with pipe collar nut, left pipe collar nut and right pipe collar nut on connecting tube joint, left connecting tube joint and the right connecting tube joint respectively, following mediation joint is bolted with the grain slag precipitator, and valve body is provided with the gas flow controlling device;
Said gas flow controlling device comprises the sleeve spool valve that is located in the valve body; The axial two ends of sleeve spool valve are communicated with left connecting tube joint and right connecting tube joint respectively; The sleeve spool valve circumference is arranged with upper shed and the under shed that is communicated with last connecting tube joint and following mediation joint respectively up and down; Be rotatably connected to the switch ring on left side connecting tube joint or the right connecting tube joint; Offer 1/4th circumference annular space on a left side connecting tube joint or the right connecting tube joint corresponding to the switch ring, the switch ring is fixedly connected with sleeve spool valve through the fixing bolt that is located in the circumference annular space.
2. mash gas pumping drilling according to claim 1 is used the five-way plastic valve; It is characterized in that: said connecting tube joint, left connecting tube joint, the right connecting tube joint inner shaft gone up is to being the structure of inner small and outside big two kinds of different inner diameters; Last connecting tube joint, left connecting tube joint, the inboard port of right connecting tube joint are equipped with the interior step with ring-type chamfering; Surface on last pipe collar nut, left pipe collar nut and the right pipe collar nut inboard is equipped with the outer step with ring-type chamfering, is provided with trapezoidal seal ring between outer step and the interior step.
3. mash gas pumping drilling according to claim 1 and 2 is used the five-way plastic valve, it is characterized in that: said switch ring is provided with graduation line, and valve body is provided with the witness marker corresponding with graduation line.
4. mash gas pumping drilling according to claim 1 and 2 is used the five-way plastic valve; It is characterized in that: the upper shed of said sleeve spool valve, under shed be shaped as rectangle; Last connecting tube joint and following mediation joint also are rectangle with the opening shape of the corresponding connection of upper shed, under shed of sleeve spool valve, are provided with rectangular seal between the rectangular aperture outside of last connecting tube joint and the sleeve spool valve outer rim.
5. mash gas pumping drilling according to claim 1 and 2 is used the five-way plastic valve, it is characterized in that: said survey valve is located on the connecting tube joint, surveys the rubber cap that valve is provided with the band rubber band, and rubber band is set on the connecting tube joint.
6. mash gas pumping drilling according to claim 1 and 2 is used the five-way plastic valve; It is characterized in that: be provided with the two seals circle between said switch ring inner ring and left connecting tube joint or the right connecting tube joint surface, the grain slag precipitator is provided with the Ο RunddichtringO with the joint of following mediation joint.
7. like the installation and application of each described mash gas pumping drilling of claim 3～6 with the five-way plastic valve; It is characterized in that: said five-way valve is installed in mash gas pumping drilling joins in the middle of the pipe arrangement; Back out pipe collar nut, left pipe collar nut and right pipe collar nut; Trapezoidal seal ring is stayed wherein; Then vertical connecting tube, left transverse connecting pipe and right transverse connecting pipe are inserted to go up in connecting tube joint, left connecting tube joint and the right connecting tube joint and closely contact with the reducing place; Tighten pipe collar nut, left pipe collar nut and right pipe collar nut again; Trapezoidal seal ring inwall closely contacts with vertical connecting tube, left transverse connecting pipe, right transverse connecting pipe respectively, and trapezoidal seal ring outer wall closely contacts with last pipe collar nut, left connecting tube joint and left pipe collar nut, right connecting tube joint and right pipe collar nut with last connecting tube joint respectively.
8. mash gas pumping drilling according to claim 7 is with the installation and application of five-way plastic valve; It is characterized in that: after five-way valve is installed; When needing the adjustment gas flow, the rotary switch ring makes the graduation line size on the switch ring corresponding with witness marker; The switch ring drives sleeve spool valve through fixing bolt and rotates; Fixing bolt rotates in 1/4th the circumference annular space on left connecting tube joint or right connecting tube joint, thereby being communicated with of the rectangle upper shed on the rectangular aperture that connecting tube joint bottom is gone up in adjustment and sleeve spool valve top is big or small, gas by last connecting tube joint left the flow of connecting tube joint or right connecting tube joint promptly change.
9. mash gas pumping drilling according to claim 7 is with the installation and application of five-way plastic valve; It is characterized in that: when in the boring ickings or water being arranged; Ickings is deposited in the grain slag precipitator owing to the action of gravity meeting; When the valve inner obstruction that the boring ickings too much causes occurring, turn round down the grain slag precipitator ickings or the water of grain slag precipitator internal cavity splendid attire are cleared up, avoid pipeline blockage; Need measure gas pressure and the gas density in the boring, back out rubber cap, use surveying instrument to measure at survey valve place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105028005A CN101975285B (en) | 2010-10-11 | 2010-10-11 | Five-way plastic valve for drilling hole during gas extraction, and installation and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105028005A CN101975285B (en) | 2010-10-11 | 2010-10-11 | Five-way plastic valve for drilling hole during gas extraction, and installation and use method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101975285A CN101975285A (en) | 2011-02-16 |
| CN101975285B true CN101975285B (en) | 2012-07-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105028005A Expired - Fee Related CN101975285B (en) | 2010-10-11 | 2010-10-11 | Five-way plastic valve for drilling hole during gas extraction, and installation and use method thereof |
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| CN (1) | CN101975285B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201818835U (en) * | 2010-10-11 | 2011-05-04 | 河南理工大学 | Five-way plastic valve for gas extraction drilling |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87213213U (en) * | 1987-09-11 | 1988-06-01 | 高来秋 | Water separator |
| CN2343427Y (en) * | 1998-09-08 | 1999-10-13 | 杨立元 | Purifying magnetizing water tap |
| DE10014133A1 (en) * | 1999-03-23 | 2000-11-09 | Fluoroware Inc | Three-way valve |
| US7036793B2 (en) * | 2002-07-31 | 2006-05-02 | Brass-Craft Manufacturing Company | Stop valve |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201818835U (en) * | 2010-10-11 | 2011-05-04 | 河南理工大学 | Five-way plastic valve for gas extraction drilling |
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| CN101975285A (en) | 2011-02-16 |
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Granted publication date: 20120725 Termination date: 20161011 |