CN202325620U - Collector for gas and dust - Google Patents
Collector for gas and dust Download PDFInfo
- Publication number
- CN202325620U CN202325620U CN2011203435990U CN201120343599U CN202325620U CN 202325620 U CN202325620 U CN 202325620U CN 2011203435990 U CN2011203435990 U CN 2011203435990U CN 201120343599 U CN201120343599 U CN 201120343599U CN 202325620 U CN202325620 U CN 202325620U
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- sealing
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- assembly
- packing
- capsule
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Abstract
The utility model relates to a collector for gas and dust. The collector comprises a hole-sealing assembly, a collecting assembly and a base assembly which are connected in sequence, wherein both the hole-sealing assembly and the collecting assembly are in hollow structures used for receiving a drilling rod. The hole-sealing assembly comprises a hole-sealing barrel, a hole-sealing capsule, a capsule inside fixing piece, a capsule outside fixing piece, a hole-sealing flange disc, a disc internal pipeline, an external pipeline and a hole-sealing end cover; and the collecting assembly comprises a collecting barrel, a dustproof water tube, a gas-water-slag output tube and a fixing flange disc. The base assembly comprises a base, a sealing ring seat, a sealing ring end cover, a bushing and a combined sealing ring. The collector for gas and dust disclosed by the utility model has the following beneficial effect that the over-limit of gas or the continuing deterioration of working environment caused by the entrance of gas or drilling slag and dust ejected from drilling holes in a tunnel is avoided.
Description
Technical field
The utility model belongs to the coal mining technical field, and particularly the gas to ejection in the boring in the extraction borehole work progress carries out effective packing with pressure wind row powder dust, prevents to execute the coal mine special equipment that gets out existing gas exceeding limit and dust harzard.
Background technology
Coal mine gas, dust accident are one of great disasters of down-hole; If gas, dust accident take place, not only can the heavy damage production environment, and can cause casualties; Cause tremendous loss for the people, enterprise, country; Therefore, eliminating gas exceeding limit and dust is the precondition of prevention gas, dust accident, also is one of important leverage of mine safety production.
Because geologic sedimentation effect; A large amount of toxic and harmfuls such as gas have been overstock in the coal seam, in order to realize safe digging, generally; At first to arrange special-purpose gas pumping tunnel before the digging; Adopt underground drill rig construction extraction borehole to implement gas pumping in advance, treat that extraction is up to standard after, can begin digging coal.Yet in construction extraction borehole process; After particularly many mines get into deep horizontal, coal seam gas-bearing capacity, pressure all will increase, and execute the gas exceeding limit unsafe problems that brill spray orifice even boring time-delay spray orifice cause; The boring hole problem that collapses is also more and more outstanding; In order to overcome collapse hole and gas exceeding limit problem, have to take to press wind row powder construction technology, yet dust harzard has become a new difficult problem again.
But, in the prior art,, execute therefore that a large amount of gas, dust still can be released in the tunnel in the brill process not to special-purpose gas, the dust treatment facility of these serious problems, cause serious gas exceeding limit, the dust potential safety hazard that exceeds standard.
The utility model content
The purpose of the utility model is to cause gas exceeding limit or adopt pressure wind row powder construction technology dust harzard problem in order to solve the gas that in the tunnel, sprays in the boring in the construction extraction borehole process, has proposed gas dust packing device.
The technical scheme of the utility model is: gas dust packing device, comprise the sealing of hole assembly, packing assembly and the base assembly that connect successively, and said sealing of hole assembly and packing assembly are that hollow structure is in order to hold drilling rod;
Said sealing of hole assembly comprises sealing of hole tube, sealing of hole capsule, the inboard fixture of capsule, capsule outside fixture, sealing of hole flange, dish interior conduit, external pipe and sealing of hole end cap; Said sealing of hole capsule is through being fixed on the excircle of sealing of hole tube in inboard fixture of the capsule that is embedded into two ends and the capsule outside fixture; One end of the excircle of said sealing of hole tube is set with the sealing of hole end cap with the fixture engagement of the capsule of the end outside; The other end of the excircle of said sealing of hole tube is set with the sealing of hole flange with the fixture engagement of the capsule of the end outside; The sealing of hole flange at the excircle two ends of said sealing of hole tube and sealing of hole end cap, the inboard fixture of middle capsule, capsule outside fixture and sealing of hole capsule are formed a glue capsule structure sealing of hole tube are wrapped; The dish interior conduit that also has the external pipe UNICOM outside on the said sealing of hole flange with stretching out capsule structure; Said external pipe is in order to importing outside water or gas, and the inboard fixture of the capsule of said sealing of hole flange one side radially expands at the axially mobile down so that sealing of hole capsule of the water of the outside of external pipe input or gas pressure;
Said packing assembly comprises packing tube, dustproof water pipe, air water slag outlet and fixed flange; The top bore of said packing tube is consistent so that be fixedly connected with the sealing of hole flange of sealing of hole assembly through the fixed flange that is installed on the excircle of packing tube top with sealing of hole nozzle footpath; The bottom of packing tube has than the bigger bore in top so that hold more air water slag; Has dustproof water pipe on the excircle of said packing tube bottom in order to dustproof and input water yield gaseous mixture slag; Have an air water slag outlet on the excircle of said packing tube bottom simultaneously in order to output abundant mixed air water slag in the packing tube, be fixed with fixed flange in order to be fixedly connected on the end excircle of said packing tube bottom with base assembly;
Said base assembly comprises base, packing holder, sealing ring end cap, lining and combined seal ring; The fixed flange of said base and packing assembly is fixedly connected in order to base assembly and packing assembly are fixed; Said packing holder is fixedly connected with base; Said sealing ring end cap is fixedly connected the back between and forms a closed chamber with packing holder, lining and combined seal ring are installed in order to remain on the drilling rod that rotatablely moves in sealing of hole assembly and the packing assembly and the excellent sealing of base assembly in the said closed chamber.
Above-mentioned base assembly also comprises the blowout prevention plate, and said blowout prevention plate is movably arranged between base and the fixed flange in order to after removing drilling rod to leave sealing of hole assembly and packing assembly, can keep the fast sealing of base assembly through pulling and pushing the blowout prevention plate.
Above-mentioned sealing of hole assembly, packing assembly and base assembly connecting portion place can also embed sealing ring to keep the sealing of connecting portion.
Be fixedly connected through bolt connecting mode between above-mentioned sealing of hole assembly, packing assembly and the base assembly.
The beneficial effect of the utility model is: because drilling rod is drilled into the coal seam and is; The confined space that its working space is formed by the sealing of hole assembly of the utility model, packing assembly and base assembly wraps; After particularly will adding outside water or air pressure; The sealing of hole capsule expanded radially of sealing of hole assembly has further kept the seal of drilling rod working space, so the waste residue that produces in the drilling rod course of work, the methane gas in the coal seam are all by packing and externally inject and form the abundant amalgam of aqueous vapor slag under the situation of a large amount of dustproof water and get into outside separator and further handle and separate; Therefore having avoided interior gas that sprays of boring or boring mud, dust to get into the tunnel causes gas exceeding limit or working environment to continue to worsen.
Description of drawings
Fig. 1 is the axial sectional structure sketch map of the utility model.
Fig. 2 is the utility model bottom surface structural representation radially.
Fig. 3 is the axial sectional structure sketch map of A-A direction among the utility model Fig. 2.
Sealing of hole assembly 1, sealing of hole tube 11, sealing of hole capsule 12, the inboard fixture 13 of capsule, capsule outside fixture 14, sealing of hole flange 15, dish interior conduit 16, external pipe 17, sealing of hole end cap 18, sealing ring 19, packing assembly 2, packing tube 21, dustproof water pipe 22, air water slag outlet 23, fixed flange 24, sealing ring 25, base assembly 3, base 31, packing holder 32, sealing ring end cap 33, lining 34, combined seal ring 35, blowout prevention plate 36, bolt 37, drilling rod 4.
The specific embodiment
Below in conjunction with accompanying drawing and practical implementation instance the utility model is done further explanation.
As shown in Figure 1, gas dust packing device comprises the sealing of hole assembly 1, packing assembly 2 and the base assembly 3 that connect successively, and said sealing of hole assembly 1 is that hollow structure is in order to hold drilling rod 4 with packing assembly 2.
Said sealing of hole assembly 1 comprises sealing of hole tube 11, sealing of hole capsule 12, the inboard fixture 13 of capsule, capsule outside fixture 14, sealing of hole flange 15, dish interior conduit 16, external pipe 17 and sealing of hole end cap 18; Said sealing of hole capsule 12 is through being fixed on the excircle of sealing of hole tube 11 in inboard fixture 13 of the capsule that is embedded into two ends and the capsule outside fixture 14; One end of the excircle of said sealing of hole tube 11 is set with the sealing of hole end cap 18 with fixture 14 engagements of the capsule of the end outside; The other end of the excircle of said sealing of hole tube 11 is set with the sealing of hole flange 15 with fixture 14 engagements of the capsule of the end outside; The sealing of hole flange 15 and the sealing of hole end cap 18 at the excircle two ends of said sealing of hole tube 11, the inboard fixture 13 of middle capsule, capsule outside fixture 14 and sealing of hole capsule 12 are formed a glue capsule structure sealing of hole tube 11 are wrapped; The dish interior conduit 16 that also has external pipe 17 UNICOMs outside on the said sealing of hole flange 15 with stretching out the glue capsule structure; Said external pipe 17 is in order to importing outside hydraulic pressure or air pressure, and the inboard fixture 13 of the capsule of said sealing of hole flange 15 1 sides radially expands at the axially mobile down so that sealing of hole capsule 12 of the hydraulic pressure of the outside of external pipe 17 inputs or gas pressure.
The material of above-mentioned sealing of hole tube 11, sealing of hole flange 15, dish interior conduit 16 and external pipe 17 can adopt the Q235 carbon structural steel, the surfaces externally and internally casting.
Sealing of hole capsule 12 adopts high-pressure rubber pipe and high pressure to withhold and is made, and has utilized the high strength of this material, high resistance to compression, characteristic just to have the dilatancy of good radial motion and the ability of elastic deformation.
Said packing assembly 2 comprises packing tube 21, dustproof water pipe 22, air water slag outlet 23 and fixed flange 24; The top bore of said packing tube 21 is consistent with sealing of hole tube 11 bores so that be fixedly connected with the sealing of hole flange 15 of sealing of hole assembly 1 through the fixed flange 24 that is installed on the packing tube 21 top excircles; The bottom of packing tube 21 has than the bigger bore in top so that hold more air water slag; There are 2 dustproof water pipes 22 to form the gaseous mixture grain slag on the excircle of said packing tube 21 bottoms in order to import certain water yield; Have an air water slag outlet 23 on the excircle of said packing tube 21 bottoms simultaneously in order to output abundant mixed air water slag in packing tube 21, be fixed with fixed flange 24 on the end excircle of said packing tube 21 bottoms in order to be fixedly connected with base assembly 3;
The material of above-mentioned packing tube 21, dustproof water pipe 22, air water slag outlet 23 and fixed flange 24 can adopt the Q235 carbon structural steel, the surfaces externally and internally casting.
Said base assembly 3 comprises base 31, packing holder 32, sealing ring end cap 33, lining 34 and combined seal ring 35; The fixed flange 24 of said base 31 and packing assembly 2 is fixedly connected in order to base assembly and packing assembly 2 is fixing; Said packing holder 32 is fixedly connected with base 31; Said sealing ring end cap 33 is fixedly connected the back between and forms a closed chamber with packing holder 32, lining 34 and combined seal ring 35 are installed in order to remain on the excellent sealing of the drilling rod 4 that rotatablely moves in sealing of hole assembly 1 and the packing assembly 2 and base assembly 3 in the said closed chamber.
The material of above-mentioned base 31, packing holder 32, sealing ring end cap 33 can adopt the Q235 carbon structural steel, the surfaces externally and internally casting.
Lining 34 adopts polytetrafluoroethylene (PTFE), and combined seal ring 35 adopts rubber.
As shown in Figures 2 and 3; Above-mentioned base assembly 3 also comprises blowout prevention plate 36, and said blowout prevention plate 36 is movably arranged between base 31 and the fixed flange 24 in order to can be through pulling and pushing the sealing that plate 36 keeps base assemblies 3 after removing drilling rod 4 to leave sealing of hole assembly 1 and packing assembly 2.After drilling construction is accomplished, close plate 36 immediately and the slag notch pipe is connected with the extraction pipeline and carry out extraction, realization is faced and is taken out integratedly, can solve the spray orifice gas exceeding limit problem of delaying time to greatest extent.Plate 36 is this selectable unit (SU), mainly is to be used for solving time-delay spray orifice gas exceeding limit problem, further improves the safety of executing brill.
The material of above-mentioned plate 36 can adopt the Q235 carbon structural steel, the surfaces externally and internally casting.
In this embodiment, sealing of hole assembly 1, packing assembly 2 and base assembly 3 connecting portion places can also embed sealing ring 19,25 to keep the sealing of connecting portion.
The material of above-mentioned sealing ring 19,25 adopts rubber.
In the present embodiment, be fixedly connected through bolt connecting mode between sealing of hole assembly 1, packing assembly 2 and the base assembly 3, certainly, also can adopt other like welding or riveted way the three to be connected, for light installation, bolt connecting mode is a preferred version.
The course of work and the principle of the gas dust packing device of present embodiment are: during the work beginning; At first the sealing of hole assembly 1 of gas dust packing device is put into the good boring of construction in advance; In the dish interior conduit 16 that water that input is outside or gas are pressed onto sealing of hole assembly 1; Said sealing of hole capsule 12 closely cooperates with boring after expanded radially under the effect of water or air pressure, makes boring inside form confined space on the one hand, and gas and dust leaks when preventing to hole; Can gas dust packing device be suspended on the other hand and be fixed in the boring the similar expansion bolt of its principle.Then; Extract the plate 36 of packing assembly 2 out and put into drilling rod 4; In the drilling rod work engineering; The boring mud, the methane gas in the coal seam and the low amounts of water that constantly produce are all collected in the packing assembly 2 by hole packer assembly 1; Get into outside separator through air water slag outlet 23 after after packing assembly 2 injects a large amount of water bodys through dustproof water pipe 22, forming the abundant amalgam of aqueous vapor slag and further handle and separates, therefore avoided gas or boring mud, dust entering tunnel to cause the deterioration of gas exceeding limit or working environment.At last, after work is accomplished, drilling rod 4 is detached from the cavity of gas dust packing device hollow, insert cavity airtight that plate 36 still keeps gas dust packing device hollow then, effectively prevented time-delay spray orifice gas exceeding limit problem.
Those of ordinary skill in the art will appreciate that embodiment described here is in order to help the principle of reader understanding's the utility model, should to be understood that the protection domain of the utility model is not limited to such special statement and embodiment.Those of ordinary skill in the art can make various other various concrete distortion and combinations that do not break away from the utility model essence according to disclosed these teachings of the utility model, and these distortion and combination are still in the protection domain of the utility model.
Claims (4)
1. gas dust packing device is characterized in that, comprises the sealing of hole assembly (1), packing assembly (2) and the base assembly (3) that connect successively, and said sealing of hole assembly (1) and packing assembly (2) are that hollow structure is in order to hold drilling rod (4);
Said sealing of hole assembly (1) comprises sealing of hole tube (11), sealing of hole capsule (12), the inboard fixture (13) of capsule, capsule outside fixture (14), sealing of hole flange (15), dish interior conduit (16), external pipe (17) and sealing of hole end cap (18); Said sealing of hole capsule (12) is through being fixed on the excircle of sealing of hole tube (11) in inboard fixture (13) of the capsule that is embedded into two ends and the capsule outside fixture (14); One end of the excircle of said sealing of hole tube (11) is set with the sealing of hole end cap (18) with the capsule of end outside fixture (14) engagement; The other end of the excircle of said sealing of hole tube (11) is set with the sealing of hole flange (15) with the capsule of end outside fixture (14) engagement; The sealing of hole flange (15) at the excircle two ends of said sealing of hole tube (11) and sealing of hole end cap (18), the inboard fixture (13) of middle capsule, capsule outside fixture (14) and sealing of hole capsule (12) are formed a capsule structure sealing of hole tube (11) are wrapped; The dish interior conduit (16) that also has external pipe (17) UNICOM outside on the said sealing of hole flange (15) with stretching out capsule structure; Said external pipe (17) is in order to importing outside water or gas, and the inboard fixture of the capsule of said sealing of hole flange (15) one sides (13) radially expands at the axially mobile down so that sealing of hole capsule (12) of the water of the outside of external pipe (17) input or gas pressure;
Said packing assembly (2) comprises packing tube (21), dustproof water pipe (22), air water slag outlet (23) and fixed flange (24); The top bore of said packing tube (21) is consistent with sealing of hole tube (11) bore so that be fixedly connected with the sealing of hole flange (15) of sealing of hole assembly (1) through the fixed flange (24) that is installed on the excircle of packing tube (21) top; The bottom of packing tube (21) has than the bigger bore in top so that hold more air water slag; Has dustproof water pipe (22) on the excircle of said packing tube (21) bottom in order to dustproof and input water yield gaseous mixture slag; Have an air water slag outlet (23) on the excircle of said packing tube (21) bottom simultaneously in order to output abundant mixed air water slag in packing tube (21), be fixed with fixed flange (24) on the end excircle of said packing tube (21) bottom in order to be fixedly connected with base assembly (3);
Said base assembly (3) comprises base (31), packing holder (32), sealing ring end cap (33), lining (34) and combined seal ring (35); The fixed flange (24) of said base (31) and packing assembly (2) is fixedly connected in order to base assembly and packing assembly (2) is fixing; Said packing holder (32) is fixedly connected with base (31); Said sealing ring end cap (33) is fixedly connected the back between and forms a closed chamber with packing holder (32), lining (34) and combined seal ring (35) are installed in order to remain on the excellent sealing of the drilling rod (4) that rotatablely moves in sealing of hole assembly (1) and the packing assembly (2) and base assembly (3) in the said closed chamber.
2. gas dust packing device according to claim 1; It is characterized in that; Above-mentioned base assembly (3) also comprises blowout prevention plate (36), and said blowout prevention plate (36) is movably arranged between base (31) and the fixed flange (24) in order to after removing drilling rod (4) to leave sealing of hole assembly (1) and packing assembly (2), can keep the fast sealing of base assembly (3) through pulling and pushing blowout prevention plate (36).
3. gas dust packing device according to claim 1 is characterized in that, above-mentioned sealing of hole assembly (1), packing assembly (2) and base assembly (3) connecting portion place can also embed sealing ring (19,25) to keep the sealing of connecting portion.
4. gas dust packing device according to claim 1 is characterized in that, is fixedly connected through bolt connecting mode between above-mentioned sealing of hole assembly (1), packing assembly (2) and the base assembly (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203435990U CN202325620U (en) | 2011-09-14 | 2011-09-14 | Collector for gas and dust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203435990U CN202325620U (en) | 2011-09-14 | 2011-09-14 | Collector for gas and dust |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202325620U true CN202325620U (en) | 2012-07-11 |
Family
ID=46437602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203435990U Withdrawn - After Issue CN202325620U (en) | 2011-09-14 | 2011-09-14 | Collector for gas and dust |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202325620U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103266862A (en) * | 2013-05-03 | 2013-08-28 | 中冶集团武汉勘察研究院有限公司 | Orifice dust collector for pneumatic downhole drills |
| CN110424924A (en) * | 2019-09-04 | 2019-11-08 | 高九华 | Bag type paste blowout prevention hole sealing device |
-
2011
- 2011-09-14 CN CN2011203435990U patent/CN202325620U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103266862A (en) * | 2013-05-03 | 2013-08-28 | 中冶集团武汉勘察研究院有限公司 | Orifice dust collector for pneumatic downhole drills |
| CN110424924A (en) * | 2019-09-04 | 2019-11-08 | 高九华 | Bag type paste blowout prevention hole sealing device |
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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: 20120711 Effective date of abandoning: 20140402 |
|
| RGAV | Abandon patent right to avoid regrant |