CN201292860Y - Pumping drillings mash gas receiver - Google Patents
Pumping drillings mash gas receiver Download PDFInfo
- Publication number
- CN201292860Y CN201292860Y CN 200820227690 CN200820227690U CN201292860Y CN 201292860 Y CN201292860 Y CN 201292860Y CN 200820227690 CN200820227690 CN 200820227690 CN 200820227690 U CN200820227690 U CN 200820227690U CN 201292860 Y CN201292860 Y CN 201292860Y
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- methane
- drilling
- pipe
- gas
- hole
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Abstract
The utility model relates to the field of gas drainage under suction, in particular to a degassing hole receiver which solves the problem that the degassing hole is easy to exist the methane blowing and the crown drill during the construction to cause the methane to be leaked outside so that the potential safety hazard is brought. The degassing hole receiver comprises a drilling hole fixing pipe, wherein a methane collecting short pipe and a degassing connecting pipe connected with the methane collecting pipe are arranged above the drilling hole fixing pipe, a slag discharging short pipe and a connecting tube connected with the slag discharging short pipe are arranged below the drilling fixing pipe, and one end of the drilling fixing pipe is provided with a bearing and a sealing connecting piece composed of sealing rings at two ends of the drilling hole fixing pipe. The utility model has simple structure, small volume and convenient operation, can effectively control the flow direction of methane in the degassing hole, can lower the concentration of the methane at the mine mouth below 1 percent greatly, prevents the methane accidents from occurring because the methane concentration within 20m near a drill is below 0.5 percent, ensures the normal construction of the degassing hole and the safety of the drilling personnel and the safe production of the mine, and has a certain popularization value.
Description
Technical field
The utility model relates to the gas drainage under suction field, is specially a kind of extraction boring gas receiver.
Background technology
In the colliery, metal or other mineral products have the part methane gas and overflow when exploitation in recovery process, brought serious threat for the safety in production of exploitation of mineral resources.At present, great majority exist the mines of these type of situations all to adopt at production face construction firedamp taking-out discharging drilling, and the firedamp taking-out discharging drilling that construction is good carries out after sealing of hole connects the hole, by large-scale gas suction pump with the gas drainage to the gas drainage under suction pipe-line system.This shows that gas drainage under suction is playing an important role aspect the gas administering, but when construction extraction boring, phenomenons such as gas spray orifice, crown drill takes place through regular meeting, makes gas leak in a large number, by analysis: moment gas emission reach as high as 34.8m
3Gas density has reached the condition of gas explosion in 1m scope gas density more than 1%, around the aperture up to more than 8% in/min, the tunnel.Only stopped when above problem took place to bore in the past, treat to construct after the gas release the hole in, bring hidden danger to the safe construction firedamp taking-out discharging drilling.
Summary of the invention
Gas spray orifice, crown drill phenomenon easily to take place and cause gas to leak in order to solve in the utility model in the existing firedamp taking-out discharging drilling, bring the problem of potential safety hazard, and a kind of extraction boring gas receiver is provided.
The utility model is to adopt following technical scheme to realize: extraction boring gas receiver, comprise the boring stationary pipes, boring stationary pipes top is provided with gas and collects short tube and coupled extraction tube connector, the below is provided with deslagging short tube and coupled connection flexible pipe, and boring stationary pipes one end is installed the seal connector that the sealing ring by bearing and two ends thereof constitutes.
On the extraction tube connector control valve is housed, can be used for controlling the size of gas drainage under suction amount, prevent to influence gas drainage system.
Adopt structure design of the present utility model, utilize rig to carry out reaming earlier, the reaming degree of depth is 2m, then seal connector one end is contained on the drilling rod and first-class drilling tool, starting rig sends into drilling rod in the hole, and then with the seal connector other end with boring stationary pipes connect the firedamp taking-out discharging drilling of just can constructing.In this process, gas is collected short tube and the drainage of extraction tube connector to the gas drainage under suction pipe-line system through gas, and ore deposit (rock) slag that boring produces, water be by the deslagging short tube and connect flexible pipe and directly be disposed in the tunnel, effectively avoided gas to pour in and the generation gas accident in the tunnel in.
The utility model is simple in structure, volume is little, be convenient to operation, the gas that can control effectively in the extraction boring flows to, can drop to the aperture gas density below 1% significantly, near the rig in the 20m scope gas density is below 0.5%, has prevented the generation of gas accident, has both guaranteed the normal construction of extraction boring, ensure the personnel's that drill the safety and the safety in production of mine again, had certain popularization value.
Description of drawings
Fig. 1 is a structural representation of the present utility model
Among the figure: 1-boring stationary pipes 2-gas is collected short tube 3-extraction tube connector 4-deslagging short tube 5-and is connected flexible pipe 6-bearing 7-sealing ring 8-control valve
The specific embodiment
Extraction boring gas receiver, as shown in Figure 1, comprise boring stationary pipes 1, boring stationary pipes 1 top is provided with gas and collects short tube 2 and coupled extraction tube connector 3, control valve 8 is housed on the extraction tube connector 3, the below is provided with deslagging short tube 4 and coupled connection flexible pipe 5, and boring stationary pipes 1 one ends are installed the seal connector that the sealing ring 7 by bearing 6 and two ends thereof constitutes.
During concrete enforcement, utilize rig to carry out reaming earlier, the reaming degree of depth is 2m, then seal connector one end is contained on the drilling rod and first-class drilling tool, start rig drilling rod is sent in the hole, and then the seal connector other end and boring stationary pipes are connected the firedamp taking-out discharging drilling of just can constructing.In this process, gas is collected short tube and the drainage of extraction tube connector to the gas drainage under suction pipe-line system through gas, and ore deposit (rock) slag, the water that produces of holing directly is disposed in the tunnel by deslagging short tube and connection flexible pipe, the effect of seal connector middle (center) bearing is the operate as normal that guarantees drilling rod, and the effect of sealing ring is that drilling orifice is sealed, force methane gas to collect short tube and the drainage of extraction tube connector to gas drainage system by boring stationary pipes, gas successively, effectively avoided pouring out from drilling orifice.
Claims (2)
1, a kind of extraction boring gas receiver, it is characterized in that comprising boring stationary pipes (1), boring stationary pipes (1) top is provided with gas and collects short tube (2) and coupled extraction tube connector (3), the below is provided with deslagging short tube (4) and coupled connection flexible pipe (5), and boring stationary pipes (1) one end is installed the seal connector by sealing ring (7) formation at bearing (6) and two ends thereof.
2, extraction boring gas receiver according to claim 1 is characterized in that being equipped with on the extraction tube connector (3) control valve (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200820227690 CN201292860Y (en) | 2008-11-26 | 2008-11-26 | Pumping drillings mash gas receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200820227690 CN201292860Y (en) | 2008-11-26 | 2008-11-26 | Pumping drillings mash gas receiver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201292860Y true CN201292860Y (en) | 2009-08-19 |
Family
ID=41006336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200820227690 Expired - Lifetime CN201292860Y (en) | 2008-11-26 | 2008-11-26 | Pumping drillings mash gas receiver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201292860Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108387408A (en) * | 2018-03-16 | 2018-08-10 | 河北工程大学 | A kind of New Coal Mine fire damp automatic sampling device |
-
2008
- 2008-11-26 CN CN 200820227690 patent/CN201292860Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108387408A (en) * | 2018-03-16 | 2018-08-10 | 河北工程大学 | A kind of New Coal Mine fire damp automatic sampling device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090819 |
|
| CX01 | Expiry of patent term |