CN101975285A - 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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- CN101975285A CN101975285A CN 201010502800 CN201010502800A CN101975285A CN 101975285 A CN101975285 A CN 101975285A CN 201010502800 CN201010502800 CN 201010502800 CN 201010502800 A CN201010502800 A CN 201010502800A CN 101975285 A CN101975285 A CN 101975285A
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- connecting tube
- tube joint
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- joint
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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 connection pipe that is used for and go up mash gas pumping drilling five-way plastic valve and the installation and application thereof that uses.
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 the vitals in the gas pumping connection pipe, the used control valve of China's gas pumping mainly is the ironware valve body for a long time, the problem that this valve body exists is more, show that mainly connection pipe speed is slow, the equipment heaviness, the cost height, 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, this just makes the gas pumping pipeline have hidden danger such as gas leakage, therefore cause many borings to be closed, this not only causes the huge waste of resource, and stays huge hidden danger 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 five-way plastic valve, comprise valve body, described 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.
Described 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 fixedlyed connected with sleeve spool valve by the fixing bolt that is located in the circumference annular space.
Described 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.
Described switch ring is provided with graduation line, and valve body is provided with the witness marker corresponding with graduation line.
The upper shed of described 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.
Described 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 described 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.
Described five-way valve is installed in the middle of the mash gas pumping drilling connection pipe arrangement, back out the pipe collar nut, left side pipe collar nut and right pipe collar nut, trapezoidal seal ring is stayed wherein, then with vertical connecting tube, left side transverse connecting pipe and right transverse connecting pipe insert goes up the connecting tube joint, left side connecting tube joint closely contacts with the reducing place with right connecting tube joint is interior, tighten the pipe collar nut again, left side pipe collar nut and right pipe collar nut, trapezoidal seal ring inwall respectively with vertical connecting tube, left side transverse connecting pipe, right transverse connecting pipe closely contacts, trapezoidal seal ring outer wall respectively with last connecting tube joint and last pipe collar nut, left side connecting tube joint and left pipe collar nut, right connecting tube joint closely contacts with right pipe collar nut.
After five-way valve is installed, when needing to adjust gas flow, the rotary switch ring, make the graduation line size on the switch ring corresponding with witness marker, the switch ring drives sleeve spool valve by 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 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, turning round down the grain slag precipitator clears up the ickings or the water of grain slag precipitator internal cavity splendid attire, avoid pipeline blockage, also can regularly clear up the grain slag precipitator; Need measure gas pressure and 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 enters 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, be used for precipitating ickings and the water that the cleaning gas circuit precipitates, 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 circuit 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, by the rotary switch ring, drive sleeve spool valve by fixing bolt and rotate, the rectangle upper shed by 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, 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 are 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
As shown in Figure 1 and Figure 2, mash gas pumping drilling of the present invention 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 left connecting tube joint 3 and right connecting tube joint 4 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 fixedlyed connected with sleeve spool valve 16 by 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 and following mediation joint 5 also are rectangle with the upper shed 17 of sleeve spool valve 16, opening 23 shapes of under shed 18 corresponding connections, are 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 with the installation and application of five-way plastic valve is, five-way valve is installed in the middle of the mash gas pumping drilling connection pipe arrangement, back out pipe collar nut 7, left side pipe collar nut 8 and right pipe collar nut 9, trapezoidal seal ring 13 is stayed wherein, then with vertical connecting tube, left side transverse connecting pipe and right transverse connecting pipe insert goes up connecting tube joint 2, in left side connecting tube joint 3 and the right connecting tube joint 4 and reducing place 27,28,29 closely contacts, tighten pipe collar nut 7 again, left side pipe collar nut 8 and right pipe collar nut 9, trapezoidal seal ring 13 inwalls respectively with vertical connecting tube, left side transverse connecting pipe, right transverse connecting pipe closely contacts, trapezoidal seal ring outer wall respectively with last connecting tube joint 2 and last pipe collar nut 7, left side connecting tube joint 3 and left pipe collar nut 8, right connecting tube joint 4 closely contacts with right pipe collar nut 9.
After five-way valve is installed, when needing to adjust 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 by two fixing bolts 21 and rotates, rotate 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, turning round down the ickings or the water of 10 pairs of grain slag precipitators of grain slag precipitator internal cavity splendid attire clears up, avoid pipeline blockage, also can regularly clear up grain slag precipitator 10; Need measure gas pressure and gas density in the boring, back out rubber cap 15, use surveying instrument to measure at survey valve 6 places.
Claims (10)
1. mash gas pumping drilling five-way plastic valve, comprise valve body, it is characterized in that: described 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.
2. mash gas pumping drilling five-way plastic valve according to claim 1, it is characterized in that: described 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 fixedlyed connected with sleeve spool valve by the fixing bolt that is located in the circumference annular space.
3. mash gas pumping drilling five-way plastic valve according to claim 1 and 2, it is characterized in that: described 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, 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.
4. mash gas pumping drilling five-way plastic valve according to claim 3 is characterized in that: described switch ring is provided with graduation line, and valve body is provided with the witness marker corresponding with graduation line.
5. mash gas pumping drilling five-way plastic valve according to claim 3, it is characterized in that: the upper shed of described 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.
6. mash gas pumping drilling five-way plastic valve according to claim 3 is characterized in that: described 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.
7. mash gas pumping drilling five-way plastic valve according to claim 3, it is characterized in that: be provided with the two seals circle between described 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.
8. as the installation and application of each described mash gas pumping drilling of claim 3~7 with the five-way plastic valve, it is characterized in that: described five-way valve is installed in the middle of the mash gas pumping drilling connection pipe arrangement, back out the pipe collar nut, left side pipe collar nut and right pipe collar nut, trapezoidal seal ring is stayed wherein, then with vertical connecting tube, left side transverse connecting pipe and right transverse connecting pipe insert goes up the connecting tube joint, left side connecting tube joint closely contacts with the reducing place with right connecting tube joint is interior, tighten the pipe collar nut again, left side pipe collar nut and right pipe collar nut, trapezoidal seal ring inwall respectively with vertical connecting tube, left side transverse connecting pipe, right transverse connecting pipe closely contacts, trapezoidal seal ring outer wall respectively with last connecting tube joint and last pipe collar nut, left side connecting tube joint and left pipe collar nut, right connecting tube joint closely contacts with right pipe collar nut.
9. the mash gas pumping drilling according to claim 8 installation and application of five-way plastic valve, it is characterized in that: after five-way valve is installed, when needing to adjust gas flow, the rotary switch ring, make the graduation line size on the switch ring corresponding with witness marker, the switch ring drives sleeve spool valve by 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 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.
10. the mash gas pumping drilling according to claim 8 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, turning round down the grain slag precipitator clears up the ickings or the water of grain slag precipitator internal cavity splendid attire, avoid pipeline blockage, also can regularly clear up the grain slag precipitator; Need measure gas pressure and gas density in the boring, back out rubber cap, use surveying instrument to measure at survey valve place.
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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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 |
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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 |
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CN101975285A true CN101975285A (en) | 2011-02-16 |
CN101975285B CN101975285B (en) | 2012-07-25 |
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Citations (5)
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 |
GB2348268A (en) * | 1999-03-23 | 2000-09-27 | Fluoroware Inc | Three-way valve with removable one-piece stem |
WO2004011829A2 (en) * | 2002-07-31 | 2004-02-05 | Brass-Craft Manufacturing Company | Stop valve |
CN201818835U (en) * | 2010-10-11 | 2011-05-04 | 河南理工大学 | Five-way plastic valve for gas extraction drilling |
-
2010
- 2010-10-11 CN CN2010105028005A patent/CN101975285B/en not_active Expired - Fee Related
Patent Citations (5)
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 |
GB2348268A (en) * | 1999-03-23 | 2000-09-27 | Fluoroware Inc | Three-way valve with removable one-piece stem |
WO2004011829A2 (en) * | 2002-07-31 | 2004-02-05 | Brass-Craft Manufacturing Company | Stop valve |
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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CN101975285B (en) | 2012-07-25 |
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Granted publication date: 20120725 Termination date: 20161011 |
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