CN202391472U - Sub-pressure water drainage device for gas drainage - Google Patents
Sub-pressure water drainage device for gas drainage Download PDFInfo
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- CN202391472U CN202391472U CN2011203255714U CN201120325571U CN202391472U CN 202391472 U CN202391472 U CN 202391472U CN 2011203255714 U CN2011203255714 U CN 2011203255714U CN 201120325571 U CN201120325571 U CN 201120325571U CN 202391472 U CN202391472 U CN 202391472U
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- gas drainage
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Abstract
The utility model relates to a gas drainage device, in particular to a sub-pressure water drainage device for gas drainage, and aims to provide a water drainage device capable of draining water automatically during gas drainage. The sub-pressure water drainage device structurally comprises a box body, wherein a deslagging water outlet and a second water outlet are formed in the lower bottom plate in the box body; a slag storage bin and a gas-water separator are arranged above the deslagging water outlet; water outlet door baffle plates are arranged outside the deslagging water outlet and the second water outlet; an actuating movable rod is arranged in the box body; one end of the actuating movable rod is connected with the baffle plate outside the deslagging water outlet through a stay cord; a counterweight is connected to the other side of the actuating movable rod; a through floating ball is arranged on the box body on the side with the counterweight; an air intake valve base is arranged in the box body at the part above the through floating ball; a silica-gel spherical valve core is arranged in the air intake valve base; and an air valve opening ejector rod is arranged below the silica-gel spherical valve core. Compared with the prior art, the sub-pressure water drainage device has the advantages that the device is designed scientifically and reasonably; the degree of automation is high; the operation is safe, stable and reliable; and the problem that a water drainage device is blocked by slack can be solved effectively.
Description
Technical field
The utility model relates to a kind of gas drainage under suction device, is specially a kind of gas drainage under suction negative pressure tailrace.
Background technology
Administration of Work Safety Supervision of country regulation, the high fiery colliery of China must carry out gas gas drainage under suction to the coal seam before working seam, make coal-bed gas be reduced to safe concentration and the coal seam is exploited again.The coal seam is dark apart from ground hundreds of rice; Methane gas is not only arranged in the coal seam but also underground water is arranged; Underground water also can flow into the gas drainage under suction pipeline accordingly when drawing out methane; Cause the gas discharge in mine pipe resistance to strengthen, be unfavorable for gas drainage under suction, so gas discharge in mine generally all can install manual tailrace additional at main line and branch line.With one 400,000 tons medium and small collieries is the minimum eight km extraction pipelines of wanting of example gas drainage under suction pipeline, and the tailrace consumption will lean on the controlled valve of artificial not timing to go draining about 300 to 500 entirely, and workload is very big.Manually the maximum disadvantage of tailrace is to monitor the water level of tailrace, in case tailrace full-water level water can flow in the gas drainage under suction main line automatically, brings unsafe factor for colliery gas drainage under suction.In order to solve the problem of the inefficiency brought of manually discharging water; The technician develops polytype automatic tailrace; For example automatically controlled automatic tailrace, its basic principle is still utilized electromagnetic technique, might produce electric spark in the electromagnetic induction process; In the automatic tailrace of gas drainage under suction is high concentration gas gas, if it is hardly imaginable to run into the electric spark consequence.
Another kind is to utilize law of buoyancy to realize the tailrace that discharges water automatically, and it is simple in structure, if pure water; Then can normally use; But actual conditions are water not only to be arranged in the coal seam but also also have cinder, and cinder gathers many, can make the disabler that discharges water automatically; This tailrace often makes have more than is needed just need several times maintenance, wasting manpower and material resources.
Summary of the invention
The utility model provides a kind of gas drainage under suction negative pressure tailrace in order to solve the technical problem that tailrace discharges water automatically in the gas drainage under suction.
The utility model is realized by following technical scheme; A kind of gas drainage under suction negative pressure tailrace; Structure comprises casing; Lower shoe is provided with the deslagging outfall and second delivery port in the casing, and deslagging outfall top is provided with sludge-store cabin, moisture trap, and the deslagging outfall and second delivery port are provided with water outlet door shield plate outward; In casing, be provided with and carry out moving bar; Moving bar one end of execution is connected through the baffle plate of stay cord and slag-drip opening, and the other end is connected with counterweight; Be provided with logical flighty and impatient ball being provided with counterweight one side, the casing position above logical flighty and impatient ball is provided with the admission valve base, is provided with the silica-gel sphere spool in the admission valve base, and the silica-gel sphere spool has out the air valve push rod.
The operating principle of the utility model is, under the normal condition, under the suction function in gas is responsible for; Methane gas in the coal seam gets into moisture trap, then therein through the time cinder drop in the sludge-store cabin of below, water overflows in the storehouse gradually and arrives in the casing then; Along with water increases gradually, the ball float of opposite side begins to rise, rise to certain altitude after ball float trigger the admission valve spool; Make the admission valve conducting, the air pressure in the casing is consistent with external pressure, and the baffle plate of bottom loses the effect of pressure and opens automatically at this moment; Cinder and water gush from the deslagging outfall, and along with drawdown, ball float also descends; Admission valve cuts out then, carries out moving bar simultaneously and under the effect of counterweight, rotates, and drives flapper closure; Because stack also cuts out, casing becomes the space of a sealing again, and is strict airtight under the suction function that gas is responsible for, and begins the collection cinder of a new round and the process of water simultaneously again.
Compared with prior art, utility model design science is reasonable, and automaticity is high; Safety and stability is reliable, can effectively solve the problem that cinder stops up tailrace, does not use any electric component simultaneously; Pure theory of mechanics work does not produce spark, not only goes for the coal seam negative pressure and discharges water; Can also be applicable to that the gas drainage under suction pipeline discharges water, and has guaranteed the safety in production in colliery.Scientific and reasonable for structure safe and reliable, be highly suitable for the use of adverse circumstances under the coal mine.
Description of drawings
Fig. 1 is the structural representation (closed state) of the utility model
Fig. 2 is the another kind of state diagram (automatic slag-discharging water draining state) of the utility model
Fig. 3 is the stereogram of the utility model
Among the figure: 1-gas drainage under suction main line, 2-machinery is stirred counter, 3-admission valve base, 4-silica-gel sphere spool, 5-micro-force spring, 6-drive the air valve push rod into; The 7-counterweight, 8-leads to flighty and impatient ball, 9-ball float guide peg, 10-water proof baffle plate, 11-movable rotation-shaft, 12-deslagging outfall; 13-water outlet door shield plate, 14-silica gel plate, 15-steel delivery port, 16-sludge-store cabin, 17-lifting rope, 18-coal seam; 19-moisture trap air inlet micropore, the 20-moisture trap, 21-first delivery port, 22-are carried out moving bar, 23-casing, 24-negative-pressure vacuum pump; The 25-form, 26-window brush, 27-filter dirt gauze, 28-air inlet, 29-moisture trap baffle plate, 30-lifting rope.
The specific embodiment
Like Fig. 1,2,3 signals; A kind of gas drainage under suction negative pressure tailrace, structure comprises casing 23, lower shoe is provided with the deslagging outfall 12 and second water outlet B in the casing 23; (deslagging outfall 12 mainly is to slag tap and water; Second water outlet B mainly is that casing water is discharged outward, cleans the effect of water outlet door shield plate 13 simultaneously) deslagging outfall 12 tops are provided with sludge-store cabin 16, moisture trap 20, and the deslagging outfall 12 and second water outlet B are provided with water outlet door shield plate 13 outward; In casing 23, be provided with and carry out moving bar 22; Moving bar 22 1 ends of execution are connected through the baffle plate 13 of stay cord 17 and slag-drip opening, and the other end is connected with counterweight 7; Be provided with logical flighty and impatient ball 8 being provided with counterweight 7 one sides, the casing position above logical flighty and impatient ball 8 is provided with admission valve base 3, is provided with silica-gel sphere spool 4 in the admission valve base 3, and silica-gel sphere spool 4 has out air valve push rod 6.
Be provided with perforation in the middle of the described logical flighty and impatient ball 8, in casing 23, be provided with ball float guide peg 9, logical flighty and impatient ball 8 passes ball float guide peg 9.Water outlet door shield plate 13 is connected with box bottom through axle 11, is provided with sealed silicon rubber cushion 14 in the water outlet door shield plate 13; Be connected with gas inlet pipe and gas on the moisture trap 20 and go out pipe, moisture trap is provided with moisture trap baffle plate 29 and air inlet micropore 19.Also be provided with micro-force spring 5 on the air valve push rod 6, micro-force spring 5 tops are silica-gel sphere spool 4.
Carry out moving bar through counterweight deadweight pulling under the normal condition, carry out moving bar and drive drainage door baffle plate 13 through stay cord 17.Make drainage door baffle plate 13 and box sealing,, under the effect of drainage door baffle plate 13 at silica gel plate under the atmospheric active force, can seal delivery port closely owing to be negative pressure in the casing.
When the negative-pressure vacuum pump work of ground, be in vacuum state in the casing; Coal-bed gas and methane gas and underground water pass through moisture trap with a small amount of cinder; Water and slag in the moisture trap 20 directly get into sludge-store cabin 16; Slag sinks to the bottom, and water spills in the casing from first delivery port 21, has played the effect of slag and separated form water like this.Along with the rising of water level, logical flighty and impatient club drives counterweight and carries out moving rod end and rise, so this is owing to being that negative pressure drainage door baffle plate 13 is not open in the casing; When logical flighty and impatient ball top is driven buoyancy following micro-force spring 5 jack-up of air valve push rod 5 at logical flighty and impatient ball into, simultaneously silica-gel sphere also jack-up, the outer atmosphere of casing can get into casing; Make casing become atmospheric pressure state; Meaning as shown in Figure 2,13 on drainage door baffle plate can be opened under the gravity of water and cinder naturally, and cinder and water in the sludge-store cabin 16 are discharged from; Water in another casing is also discharged through second water outlet B gradually; The moisture trap baffle plate can be shut the delivery port on it closely, and ambient atmosphere can only get into the gas drainage under suction main line through the air inlet micropore, avoids extraneous a large amount of air to get into pipeline increases load to gas drainage system drawback.
Be provided with water proof baffle plate 10 in the casing interior 23, second water outlet B under it will be far longer than mouth of a river A, and ball float is descended slowly; Decline along with ball float; Moving bar 22 is carried out in counterweight 7 pullings, and drive stay cord 17 is used water valve baffle plate 13 and closed, water outlet baffle plate sealing under atmospheric effect.Logical flighty and impatient ball descends, and two the silica-gel sphere spools in logical flighty and impatient ball top descend and close admission valve, make still to keep negative pressure state in the casing.Original initial equilibrium state is got back to by executing agency, and the deslagging that discharges water that circulates like this goes round and begins again.
On casing 23, be provided with machinery and stir counter 2; Machinery is stirred counter 2 by 4 controls of the silica-gel sphere spool in the stack base 3; Counting principle is as shown in the figure, and ball float makes push rod back down another silica-gel sphere spool through buoyancy, and it is that machinery is stirred the number of times that counter discharges water its counting like this and just can be obtained record that spool promotes lever; Machinery stir the rolling counters forward principle use very extensive, at this just in narration.
The moving bar 22 of described execution be Z-shaped, and end and counterweight 7 are connected through stay cord.
Side at casing 23 also is provided with form 25, on logical flighty and impatient ball 8, is provided with window brush 26.Can also observe water level through form 25, window brush 26 moves up and down the effect of playing the cleaning form.
Claims (9)
1. gas drainage under suction negative pressure tailrace; Structure comprises casing (23); It is characterized in that: the interior lower shoe of casing (23) is provided with deslagging outfall (12) and second delivery port (B); Deslagging outfall (12) top is provided with sludge-store cabin (16), moisture trap (20), the outer water outlet door shield plate (13) that is provided with of deslagging outfall (12) and second delivery port (B); In casing (23), be provided with and carry out moving bar (22); Moving bar (22) one ends of execution are connected through the baffle plate (13) of stay cord (17) and slag-drip opening, and the other end is connected with counterweight (7); Be provided with logical flighty and impatient ball (8) being provided with counterweight (7) one sides; Casing position in logical flighty and impatient ball (8) top is provided with admission valve base (3); Be provided with silica-gel sphere spool (4) in the admission valve base (3), silica-gel sphere spool (4) has out air valve push rod (6).
2. gas drainage under suction negative pressure tailrace according to claim 1 is characterized in that: air inlet (28) and filter dirt gauze (27) are arranged at admission valve base (3) top.
3. gas drainage under suction negative pressure tailrace according to claim 1 is characterized in that: also be provided with watertight shutter (10) between logical flighty and impatient ball (8) in casing (23) and the sludge-store cabin (16).
4. gas drainage under suction negative pressure tailrace according to claim 1 is characterized in that: be provided with perforation in the middle of the described logical flighty and impatient ball (8), in casing (23), be provided with ball float guide peg (9), logical flighty and impatient ball (8) passes ball float guide peg (9).
5. gas drainage under suction negative pressure tailrace according to claim 1 is characterized in that: water outlet door shield plate (13) is connected with box bottom through axle (11), is provided with sealed silicon rubber cushion (14) in the water outlet door shield plate (13).
6. gas drainage under suction negative pressure tailrace according to claim 1 is characterized in that: be connected with gas inlet pipe and gas on the moisture trap (20) and go out pipe, moisture trap is provided with moisture trap baffle plate (29) and air inlet micropore (19).
7. gas drainage under suction negative pressure tailrace according to claim 1 is characterized in that: also be provided with micro-force spring (5) on the air valve push rod (6), micro-force spring (5) top is silica-gel sphere spool (4).
8. gas drainage under suction negative pressure tailrace according to claim 1 is characterized in that: on casing (23), be provided with machinery and stir counter (2), machinery is stirred counter (2) by the control of the silica-gel sphere spool (4) in the stack base (3).
9. gas drainage under suction negative pressure tailrace according to claim 1 is characterized in that: the side at casing (23) also is provided with form (25), on logical flighty and impatient ball (8), is provided with window brush (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203255714U CN202391472U (en) | 2011-09-01 | 2011-09-01 | Sub-pressure water drainage device for gas drainage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203255714U CN202391472U (en) | 2011-09-01 | 2011-09-01 | Sub-pressure water drainage device for gas drainage |
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| Publication Number | Publication Date |
|---|---|
| CN202391472U true CN202391472U (en) | 2012-08-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203255714U Expired - Fee Related CN202391472U (en) | 2011-09-01 | 2011-09-01 | Sub-pressure water drainage device for gas drainage |
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| CN (1) | CN202391472U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103195472A (en) * | 2013-04-07 | 2013-07-10 | 曹佩永 | Negative pressure stabilizing device for gas pumping under coal mine |
| CN109826666A (en) * | 2019-03-20 | 2019-05-31 | 江苏钜熙矿用设备科技有限公司 | A kind of gas pipeline tailrace |
| CN110454221A (en) * | 2019-08-30 | 2019-11-15 | 山西丛鑫液压科技集团有限公司 | A kind of coal mine gas extraction pipeline water quarrel separator |
| CN111153460A (en) * | 2020-01-20 | 2020-05-15 | 中铁二院贵阳勘察设计研究院有限责任公司 | Underground water and harmful gas separation bin with air sealing device |
-
2011
- 2011-09-01 CN CN2011203255714U patent/CN202391472U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103195472A (en) * | 2013-04-07 | 2013-07-10 | 曹佩永 | Negative pressure stabilizing device for gas pumping under coal mine |
| CN109826666A (en) * | 2019-03-20 | 2019-05-31 | 江苏钜熙矿用设备科技有限公司 | A kind of gas pipeline tailrace |
| CN110454221A (en) * | 2019-08-30 | 2019-11-15 | 山西丛鑫液压科技集团有限公司 | A kind of coal mine gas extraction pipeline water quarrel separator |
| CN111153460A (en) * | 2020-01-20 | 2020-05-15 | 中铁二院贵阳勘察设计研究院有限责任公司 | Underground water and harmful gas separation bin with air sealing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120822 Termination date: 20140901 |
|
| EXPY | Termination of patent right or utility model |