CN201218106Y - Segmented water injection hole packer - Google Patents
Segmented water injection hole packer Download PDFInfo
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- CN201218106Y CN201218106Y CNU2008200994731U CN200820099473U CN201218106Y CN 201218106 Y CN201218106 Y CN 201218106Y CN U2008200994731 U CNU2008200994731 U CN U2008200994731U CN 200820099473 U CN200820099473 U CN 200820099473U CN 201218106 Y CN201218106 Y CN 201218106Y
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- hole packer
- hole
- steel pipe
- holes
- seamless steel
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Abstract
The utility model discloses a multiple-step water-filling hole packer, which comprises a hole packer I and a hole packer II which are in matching connection; the hole packer I is formed by connecting a plurality of hole packers I in series. The utility model adopts the structure that the hole packers are connected at multiple steps, and solves the defects existing in the prior single-step expansion hole packers that the water-filling efficiency is low, the hole-packing duration is short, the dust-eliminating efficiency is low, and the economical property is low. The utility model is applicable to coal tunneling working faces under various conditions under the coal mining wells, improves the dust-eliminating efficiency during the tunneling process, and has simple hole-packing process, good hole-packing effect, and safe and reliable use.
Description
Technical field
The utility model relates to a kind of dust suppression in mine device, particularly a kind of segmented water filling hole packer
Background technology
The coal bed drilling water filling coal body of prewetting is the most basic, the most effective dustproof means of coal dust generation when reducing seam mining.The quality quality of drilling and sealing directly has influence on the service efficiency of boring and water injection dust control effect etc.
In recent years, short hole or deep hole (the coal-bed flooding dust prevention of 5～20m) dynamic pressure water flooding regimes have been adopted at driving face in domestic a lot of colliery, its sealing of hole mode can only adopt the expansion type hole packer, the advantage of expansion type hole packer is: hole-sealing technology is simple, convenient, hole packer can reuse, and has therefore obtained extensive use on the ground the coalman.But the expansion type hole packer of colliery use at present all is a single-stage water filling hole packer, and the problem that this single-stage water filling hole packer exists is that water-injection efficiency is low, the sealing of hole time short, depositing dust efficient is low.On-the-spot mode of occupation shows: when the distance that single-stage water filling hole packer is deeply holed is 3m, 6m, 9m (long 20m holes), water injection time (water injection pressure is 12MPa, injection flow 75L/min) all begins from the aperture when 5～7min or rib is metalled run out.Make a call in the tunnel of 3.5m * 3m under the situation of 5 water injecting drilling water fillings, all can not reach more uniform moistening coal body, depositing dust efficient can only reach 30%～40%,
Therefore, need improve existing hole packer structure, solve drawbacks such as its water-injection efficiency is low, the sealing of hole time short, depositing dust efficient is low, economy is relatively poor, and a kind of water filling hole packer that a kind of depositing dust efficient is higher, the sealing of hole process is simple, sealing of hole is effective, easy for installation, safe and reliable is provided.
The utility model content
In view of this, the purpose of this utility model provides a kind of segmented water filling hole packer, by existing hole packer structure is improved, solve drawbacks such as its water-injection efficiency is low, the sealing of hole time is short, depositing dust efficient is lower, economy is relatively poor, be applicable to the coal road driving face of various conditions under the coal mine, improve the depositing dust efficient in the tunneling process, and hole-sealing technology is simple, sealing of hole is effective, safe and reliable.
Segmented water filling hole packer of the present utility model comprises hole packer I and hole packer II, and hole packer I matches with hole packer II and is connected;
Further, hole packer I is that a plurality of hole packer I are connected in series;
Further, hole packer I comprises expansion sebific duct I, seamless steel pipe I with holes and one way valve I, and described one way valve I is arranged between expansion sebific duct I and the seamless steel pipe I with holes;
Further, hole packer II comprises seamless steel pipe II with holes, expansion sebific duct II and one way valve II, and described seamless steel pipe II with holes is arranged in the expansion sebific duct II, and an end and the one way valve II of seamless steel pipe II with holes water outlet link;
Further, also comprise orifice sleeve, described orifice sleeve comprises seamless steel pipe, and orifice sleeve is arranged on the water inlet end of segmented water filling hole packer;
Further, hole packer I also includes left cylindrical steel bushing and right cylindrical steel bushing, and an end of described left cylindrical steel bushing links to each other with the seamless steel pipe of orifice sleeve, and the other end is fixedlyed connected with the water inlet end of expansion sebific duct I; One end of described right cylindrical steel bushing is fixedlyed connected with the water side of expansion sebific duct I, and the other end links to each other with seamless steel pipe I with holes, and described one way valve I is arranged in the right cylindrical steel bushing;
Further, hole packer II also comprises the cylindrical steel bushing, and an end of described cylindrical steel bushing links to each other with the seamless steel pipe I with holes of hole packer I, and the other end is fixedlyed connected with seamless steel pipe II with holes with expansion sebific duct II;
Further, one way valve II is arranged on the valve seat, and described valve seat is threaded with seamless steel pipe II with holes;
Further, the water inlet end of described hole packer I and hole packer II is provided with the snap joint seat.
The beneficial effects of the utility model are: by the structure that adopts the hole packer multisection type to connect, overcome drawbacks such as the existing product water-injection efficiency is low, the sealing of hole time short, depositing dust efficient is low, economy is relatively poor, improved depositing dust efficient and sealing of hole effect greatly; And make the respectively sealing of hole water filling of multistage hole packer by the method for utilizing hydraulic expansion, water fillings at different levels are not disturbed mutually, and can more moistening coal body, water injection time prolonged; This hole packer according to actual needs, hole packer I can be only with one, also can use a plurality ofly, is applicable to the coal road driving face of various conditions under the coal mine, improve the depositing dust efficient in the tunneling process, and the hole-sealing technology process is simple, sealing of hole is effective, safe and reliable.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further described.
Fig. 1 is the utility model structural representation;
Fig. 2 is a hole packer I structural representation;
Fig. 3 is a hole packer II structural representation.
View when Fig. 4 uses for the utility model.
The specific embodiment
The structure of the Reference numeral representative in the accompanying drawing is as follows:
1-expansion sebific duct I; 2-seamless steel pipe I with holes; 3-one way valve I;
4-seamless steel pipe II with holes; 5-expansion sebific duct II; 6-one way valve II;
The 7-orifice sleeve; The 8-seamless steel pipe; 9-left side cylindrical steel bushing; The right cylindrical steel bushing of 10-;
11-cylindrical steel bushing; 12-snap joint seat; The 13-water inlet pipe; The 14-valve seat
As shown in Figure 1, link to each other with hole packer II by two hole packer I series connection backs, orifice sleeve 7 comprises seamless steel pipe 8, be arranged on the water inlet end of segmented water filling hole packer, one end of orifice sleeve 7 is welded with four hooks, be used for extracting hole packer after water filling finishes, other end outer rim has three grooves, is used for being connected with hole packer II.
As shown in Figure 2, hole packer I is made up of snap joint seat 12, left cylindrical steel bushing 9, expansion sebific duct I 1, right cylindrical steel bushing 10, seamless steel pipe I 2 with holes and one way valve I 3.Water inlet pipe 13 passes in orifice sleeve 7, is connected with snap joint seat 12 by U type card, and snap joint seat 12 is welded on the left cylindrical steel bushing 9, and left cylindrical steel bushing 9 outer rims have three to protrude the ears or side handles of a utensil, links with three grooves rotations of orifice sleeve 7.Left side cylindrical steel bushing 9 and the welding of expansion sebific duct I 1 joint make water under high pressure enter expansion sebific duct I 1, and sebific duct expands, and plays the effect of sealing of hole.10 welding of the water out adapter of high-pressure rubber pipe I 1 and right cylindrical steel bushing are equipped with one way valve I 3 in the right cylindrical steel bushing 10, and outer rim has three to protrude the ears or side handles of a utensil, link with three grooves rotations of seamless steel pipe I 2 outer rims with holes.
As shown in Figure 3, hole packer II is made up of snap joint seat, cylindrical steel bushing 11, seamless steel pipe II 4 with holes, expansion sebific duct II 5, valve seat 14 and one way valve II 6, water inlet pipe passes from two hole packer I, be connected with the snap joint seat by U type card, the snap joint seat is welded on the cylindrical steel bushing 11, and cylindrical steel bushing 11 protrudes the ears or side handles of a utensil by three of outer rims and is connected with hole packer I.Cylindrical steel bushing 11 and high-pressure rubber hose coupling and seamless steel pipe II with holes 4 welding, seamless steel pipe II 4 with holes passes expansion sebific duct II 5, adopt the sealing ring sealing with the water out adapter of sebific duct, seamless steel pipe II 4 ends with holes are threaded with the valve seat 14 that one way valve II 6 is housed.
The hole packer I of present embodiment is made up of two hole packer I, and the outer rim of the left cylindrical steel bushing of a hole packer I is provided with three and protrudes the ears or side handles of a utensil therein, is provided with three grooves rotations with the seamless steel pipe I 2 with holes of another hole packer I and links.
As shown in Figure 4, segmented water filling hole packer makes the sealing of hole water filling respectively of multistage hole packer by the method for utilizing hydraulic expansion in use, and on hole packer I, water under high pressure enters seamless steel pipe I 2 with holes by one way valve I 3, and the aperture of flowing through injects the coal seam; On hole packer II, water under high pressure enters expansion sebific duct II 5 through small holes expands it, plays the effect of sealing of hole.High-Pressure Water injects the coal seam through one way valve II 6.
The utility model can reach the non-interfering effect of water fillings at different levels when using, and total water injection time is the water injection time sum of multistage hole packer, thereby prolongs water injection time.
Explanation is at last, above embodiment is only unrestricted in order to the explanation the technical solution of the utility model, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from the aim and the scope of the technical program, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (9)
1. segmented water filling hole packer, it is characterized in that: comprise hole packer I and hole packer II, described hole packer I matches with hole packer II and is connected.
2. segmented water filling hole packer according to claim 1 is characterized in that: described hole packer I is that a plurality of hole packer I are connected in series.
3. segmented water filling hole packer according to claim 1 and 2, it is characterized in that: described hole packer I comprises expansion sebific duct I (1), seamless steel pipe I with holes (2) and one way valve I (3), and described one way valve I (3) is arranged between expansion sebific duct I (1) and the seamless steel pipe I with holes (2).
4. segmented water filling hole packer according to claim 3, it is characterized in that: described hole packer II comprises seamless steel pipe II with holes (4), expansion sebific duct II (5) and one way valve II (6), described seamless steel pipe II with holes (4) is arranged in the expansion sebific duct II (5), and an end of seamless steel pipe II with holes (4) water outlet links to each other with one way valve II (6).
5. segmented water filling hole packer according to claim 4 is characterized in that: also comprise orifice sleeve (7), described orifice sleeve (7) comprises seamless steel pipe (8), and described orifice sleeve (7) is arranged on the water inlet end of segmented water filling hole packer.
6. segmented water filling hole packer according to claim 5, it is characterized in that: described hole packer I also includes left cylindrical steel bushing (9) and right cylindrical steel bushing (10), one end of described left cylindrical steel bushing (9) links to each other with the seamless steel pipe (8) of orifice sleeve (7), and the other end is fixedlyed connected with the water inlet end of expansion sebific duct I (1); One end of described right cylindrical steel bushing (10) is fixedlyed connected with the water side of expansion sebific duct I (1), and the other end links to each other with seamless steel pipe I with holes (2), and described one way valve I (3) is arranged in the right cylindrical steel bushing (10).
7. segmented water filling hole packer according to claim 6, it is characterized in that: described hole packer II also comprises cylindrical steel bushing (11), one end of described cylindrical steel bushing (11) links to each other with the seamless steel pipe I with holes (2) of hole packer I, and the other end is fixedlyed connected with seamless steel pipe II with holes (4) with expansion sebific duct II (5).
8. segmented water filling hole packer according to claim 7 is characterized in that: also comprise valve seat, described one way valve II (6) is arranged on the valve seat, and described valve seat adopts with seamless steel pipe II with holes (4) and is threaded.
9. segmented water filling hole packer according to claim 8 is characterized in that: the water inlet end of described hole packer I and hole packer II is provided with the snap joint seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200994731U CN201218106Y (en) | 2008-07-18 | 2008-07-18 | Segmented water injection hole packer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200994731U CN201218106Y (en) | 2008-07-18 | 2008-07-18 | Segmented water injection hole packer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201218106Y true CN201218106Y (en) | 2009-04-08 |
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ID=40540943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200994731U Expired - Lifetime CN201218106Y (en) | 2008-07-18 | 2008-07-18 | Segmented water injection hole packer |
Country Status (1)
| Country | Link |
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| CN (1) | CN201218106Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102966368A (en) * | 2012-11-24 | 2013-03-13 | 周春雷 | Hole packer for coal seam crushing |
| CN105649625A (en) * | 2016-01-15 | 2016-06-08 | 山东科技大学 | High-low-pressure subarea fracturing anatonosis type coal seam water injection method |
| CN110439497A (en) * | 2019-07-31 | 2019-11-12 | 中国矿业大学 | Drill multistage closure, fracturing, slip casting, water filling integration apparatus and application method |
-
2008
- 2008-07-18 CN CNU2008200994731U patent/CN201218106Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102966368A (en) * | 2012-11-24 | 2013-03-13 | 周春雷 | Hole packer for coal seam crushing |
| CN105649625A (en) * | 2016-01-15 | 2016-06-08 | 山东科技大学 | High-low-pressure subarea fracturing anatonosis type coal seam water injection method |
| CN105649625B (en) * | 2016-01-15 | 2017-11-21 | 山东科技大学 | A kind of high-low pressure subregion fracturing anatonosis formula coal-bed flooding method |
| CN110439497A (en) * | 2019-07-31 | 2019-11-12 | 中国矿业大学 | Drill multistage closure, fracturing, slip casting, water filling integration apparatus and application method |
| CN110439497B (en) * | 2019-07-31 | 2024-05-10 | 中国矿业大学 | Drilling multi-section plugging, fracturing, grouting and water injection integrated equipment and use method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: CHINA COAL SCIENCE AND INDUSTRY GROUP CHONGQING RE Free format text: FORMER NAME: COAL SCIENTIFIC RESEARCH INSTITUTE CHONGQING INSTITUTE Owner name: CHINA COAL TECHNOLOGY ENGINEERING GROUP CHONGQING Free format text: FORMER NAME: CHINA COAL SCIENCE AND INDUSTRY GROUP CHONGQING RESEARCH INSTITUTE |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 400037, No. three village, 55 bridge, Shapingba District, Chongqing Patentee after: Chongqing Research Institute of China Coal Technology & Engineering Group Corp. Address before: 400037, No. three village, 55 bridge, Shapingba District, Chongqing Patentee before: Chongqing Institute of Coal Science Research Institute |
|
| CP03 | Change of name, title or address |
Address after: 400039 Chongqing Jiulongpo Branch City Road No. 6 Patentee after: CHONGQING RESEARCH INSTITUTE CO., LTD. OF CHINA COAL TECHNOLOGY & ENGINEERING Group Address before: 400037, No. three village, 55 bridge, Shapingba District, Chongqing Patentee before: Chongqing Research Institute of China Coal Technology & Engineering Group Corp. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20090408 |
|
| CX01 | Expiry of patent term |