CN203422298U

CN203422298U - Residual gas tank

Info

Publication number: CN203422298U
Application number: CN201320218139.4U
Authority: CN
Inventors: 黑磊; 景兴鹏; 解光新
Original assignee: 中煤科工集团西安研究院
Priority date: 2013-04-26
Filing date: 2013-04-26
Publication date: 2014-02-05

Abstract

The utility model relates to a residual gas tank. The conventional residual gas test device adopts a residual ball mill tank which has the problems in use that the residual ball mill tank is heavy in volume and poor in air tightness, the smashing cannot meet design requirements, needle head puncture is required to measure gas pressure and pour the gas, a test pipeline is prone to blockage during the puncture process, and the operation is inconvenient. The residual gas tank comprises a tank body and an upper cover, wherein steel balls are placed in the tank body. The residual gas tank is characterized in that fastening buckles are arranged between side walls of the tank body and the side wall of the upper cover; a seal ring is arranged on the inner side of the upper cover; a pressure gauge, a seal ball valve and a temperature tester are arranged at the top of the upper cover; resistance ribs are fixed on the inner wall of the tank body; and a steel column is arranged in the tank body. By means of the residual gas tank, not only is good air tightness of the residual gas tank guaranteed, but also the device has small volume and mass, can improve the coal crushing rate, and is convenient and efficient to use.

Description

A kind of remaining gas tank

Technical field

The utility model relates to coal bed gas content may be surveyed and determine technical field, relates to a kind of remaining gas tank.

Background technology

Coal-seam gas (coal-mine gas) assay is one, the field important process such as coal-seam gas (coal-mine gas) resource exploration, exploitation and Comprehensive Control of Mine Gas, Obtaining Accurate coal seam gas-bearing capacity data to evaluating coal-seam gas (coal-mine gas) stock number, establishment coal-seam gas (coal-mine gas) development of resources scheme and pit mining design, mine ventilation, the Gas Disaster comprehensive regulation is significant.

Coal-seam gas (coal-mine gas) mainly comprises that loss gas, natural stripping gas and residual gas three parts form, existing residual gas proving installation adopts remaining ball grinder, there are in use some problems in this device, for example: remaining ball grinder volume is heavy, airtight performance is poor, pulverize requirement does not reach designing requirement, and at mensurated gas composition pressure with while pouring out gas, need to puncture to realize with syringe needle, in piercing process, be easy to stop up test pipeline, and operation be also inconvenient.

Summary of the invention

Technical problem to be solved in the utility model is to provide that a kind of volume is little, good airproof performance easily reach and pulverize the remaining gas tank requiring.

The technical solution of the utility model is: a kind of remaining gas tank, comprise tank body and upper cover, in described tank body, be provided with steel ball, its special feature is: in described tank body, be provided with resistance muscle and steel column, between tank wall and upper cover sidewall, be provided with and tighten up buckle, described upper cover inner side is provided with O-ring seal, and upper tops is provided with pressure gauge, Sealing ball-valve and temperature-indicating instrument.

The described buckle that tightens up comprises fixed support dish, standing screw and nut, described fixed support dish comprises fixed support dish and lower fixed support dish, on fixed supporting disk and lower fixed support dish, be respectively arranged with U-shaped groove, described U-shaped groove and standing screw match, on the U-shaped groove of described lower fixed support dish, be installed with connecting link, bottom and the connecting link of described standing screw are hinged, and the top of standing screw is provided with screw thread and nut.

Fixed supporting disk is arranged on and covers, and lower fixed support dish is arranged on tank body, and described temperature-indicating instrument is arranged on Sealing ball-valve.

Described resistance muscle is positioned in inner tank wall, described in tighten up buckle minimum number be 2, described resistance muscle quantity is 3-6 bar.

Described tank body adopts stainless steel material, and tank wall thickness is 5mm-6mm, and described steel ball number is 4-6.

Compared with prior art, the beneficial effects of the utility model are:

1. in the upper cover of this device, be provided with O-ring seal, can reach good sealing effectiveness, security performance improves greatly;

Between the tank body of this device and upper cover by tightening up buckle, gas tank is easy to operate when opening or seal;

3. tank body adopts stainless steel material to make, and tank wall thickness is 5mm-6mm, and not only volume is little but also quality is light for so remaining gas tank, very easy to use;

4. this inner tank wall is provided with resistance muscle, when coal sample is pulverized, can increase the resistance of inner tank wall, improves the degradation rate of coal sample, and number percent and the time of the coal sample granularity after pulverizing all meet and exceed industry standard;

This device on cover and be provided with pressure gauge and temperature monitor, can to the air pressure of the residual gas in tank, temperature, measure automatically in real time, can direct viewing, use more convenient safety.

Accompanying drawing explanation

Below in conjunction with the drawings and specific embodiments, the utility model is elaborated.

Fig. 1 is structural representation of the present utility model;

Fig. 2 is the structural representation that tightens up buckle.

In figure: 1. tank body, 2. upper cover, 3. steel ball, 4. tightens up buckle, 5. O-ring seal, 6. pressure gauge, 7. Sealing ball-valve, 8. temperature-indicating instrument, 9. resistance muscle, 10. goes up fixed support dish, 11. times fixed support dishes, 12.U type groove, 13. connecting links, 14. nuts, 15. steel columns, 16. pads, 17. standing screws.

Embodiment

As depicted in figs. 1 and 2, a kind of remaining gas tank of the present utility model, comprises tank body 1 and the upper cover 2 with cavity, and upper cover 2 inner sides are provided with O-ring seal 5, and pressure gauge 6 and Sealing ball-valve 7 are installed on upper cover 2, and temperature-indicating instrument 8 is installed below Sealing ball-valve 7.

Between tank body 1 and upper cover 2, be provided with and tighten up buckle 4, this tightens up buckle 4 and is preferably two, two tighten up buckle 4 and are arranged at uniformly on gas tank, the upper fixed support dish 10 that tightens up buckle 4 is welded on upper cover 2 sidepieces, lower fixed support dish 11 is corresponding is welded on tank body 1 sidepiece, on upper fixed support dish 10 and lower fixed support dish 11, be provided with the U-shaped groove 12 of formed objects, on the U-shaped groove 12 of lower fixed support dish 11, be provided with connecting link 13, connecting link 13 two ends vertically pass respectively U-shaped groove 12 and extend to U-shaped groove 12 outsides then fixing with nut 14, U-shaped groove 12 sizes match with standing screw 17, standing screw 17 can block establish with U-shaped groove 12 in, the bottom of standing screw 17 and connecting link 13 are hinged, standing screw 17 can rotate up and down around connecting link 13, the top of standing screw 17 is provided with screw thread and nut 14, fixed support dish 11 is stretched out on the top of standing screw 17, rotary nut 14 can be anchored on standing screw 17 in the U-shaped groove 12 of upper fixed support dish 10, between nut 14 and upper fixed support dish 10, be provided with pad 16.

The preferred 4-6 of interior steel ball 3 quantity of tank body 1, on tank body 1 inwall, be fixed with resistance muscle 9, resistance muscle 9 quantity are preferably 3-6 bar.

This tank body 1 selects stainless steel to make, and tank wall thickness is preferably 5mm-6mm.

When reality is used, connecting link 13 also can be welded on the U-shaped groove 12 of lower fixed support dish 11, as long as can guarantee that connecting link 13 bottoms are fixedly arranged in the U-shaped groove 12 of lower fixed support dish 11.

Principle of work of the present utility model is: before opening upper cover 2, first unscrew the nut 14 on standing screw 17 tops, then by standing screw 17 away from upper fixed support dish 10, take off upper cover 2, coal sample is placed in to tank body 1, then covers upper cover 2, then standing screw 17 upper ends are put into the U-shaped groove 12 of upper fixed support dish 10, guarantee that standing screw 17 is parallel with tank body 1, then the nut on standing screw 17 14 is tightened.

In sum, the utility model not only guarantees the sealing that remaining gas tank is good, and the little quality of this device volume is light, can improve the degradation rate of coal sample, is easy to use efficient.

The foregoing is only better embodiment of the present utility model; protection domain of the present utility model is not limited with above-mentioned embodiment; in every case the equivalence that those of ordinary skills do according to the utility model institute disclosure is modified or is changed, and all should include in the protection domain of recording in claims.

Claims

1. a remaining gas tank, comprise tank body (1) and upper cover (2), in described tank body (1), be provided with steel ball (3), it is characterized in that: in described tank body (1), be provided with resistance muscle (9) and steel column (15), between tank body (1) sidewall and upper cover (2) sidewall, be provided with and tighten up buckle (4), described upper cover (2) inner side is provided with O-ring seal (5), and upper cover (2) top is provided with pressure gauge (6), Sealing ball-valve (7) and temperature-indicating instrument (8).

2. a kind of remaining gas tank according to claim 1, it is characterized in that: described in tighten up buckle (4) and comprise fixed support dish, standing screw (17) and nut (14), described fixed support dish comprises fixed support dish (10) and lower fixed support dish (11), on fixed supporting disk (10) and lower fixed support dish (11), be respectively arranged with U-shaped groove (12), described U-shaped groove (12) matches with standing screw (17), on the U-shaped groove (12) of described lower fixed support dish (11), be installed with connecting link (13), the bottom of described standing screw (17) and connecting link (13) are hinged, the top of standing screw (17) is provided with screw thread and nut (14).

3. a kind of remaining gas tank according to claim 2, it is characterized in that: fixed supporting disk (10) is arranged on upper cover (2), it is upper that lower fixed support dish (11) is arranged on tank body (1), and described temperature-indicating instrument (8) is arranged on Sealing ball-valve (7).

4. a kind of remaining gas tank according to claim 3, is characterized in that: described resistance muscle (9) is positioned on tank body (1) inwall, described in tighten up buckle (4) minimum number be 2, described resistance muscle (9) quantity is 3-6 bar.

5. a kind of remaining gas tank according to claim 4, is characterized in that: described tank body (1) adopts stainless steel material, and tank wall thickness is 5mm-6mm, and described steel ball (3) quantity is 4-6.