CN221351456U

CN221351456U - Sealed preparation platform

Info

Publication number: CN221351456U
Application number: CN202323267013.9U
Authority: CN
Inventors: 温颖远; 张禹; 张晓雷; 周雅静; 马学舟; 曹晓杰; 刘健男; 孙芳芳; 伍冠东
Original assignee: Xinjiang University
Current assignee: Xinjiang University
Priority date: 2023-12-01
Filing date: 2023-12-01
Publication date: 2024-07-16
Anticipated expiration: 2033-12-01

Abstract

The utility model relates to a sealed preparation table, which comprises a vacuum pump, a high-pressure gas bottle and an operation box, wherein the operation box comprises a top plate, a box body and a circular operation table, the top plate is in sealing connection with the box body through a silica gel paste, the circular operation table is fixedly connected with the bottom end inside the box body, the bottom end inside the box body is provided with a silica gel liquid bottle, the upper end of the top plate is provided with a round hole, the lower end of the round hole is fixedly connected with a rubber glove, the box body is fixedly communicated with the high-pressure gas bottle through an air inlet pipe, and the box body is fixedly communicated with the vacuum pump through an air outlet pipe. According to the sealed preparation table, after preparation is completed in a sealed environment, a layer of silica gel liquid is smeared on the outer side of a coal sample by using rubber gloves in the sealed box body and then is taken out, so that air is isolated as far as possible, experimental errors are reduced, the gas pressure in the prepared gas-containing coal sample is basically consistent with that of the expected coal sample, and experimental data are more accurate.

Description

Sealed preparation platform

Technical Field

The utility model relates to the technical field of preparation of gas-containing coal samples, in particular to a sealed preparation table.

Background

As the demands for deep mining of mines are increasing, the possibility and complexity of dynamic disasters occurring in the mining process are also increasing. In the exploitation process, single dynamic disasters such as coal and gas outburst and rock burst occur, the two dynamic disasters are compounded along with the increase of the exploitation depth, and the compound dynamic disasters have more serious consequences compared with the single dynamic disasters. When the compound dynamic disaster prevention and control experiment is carried out, a preparation device is needed to prepare the gas-containing coal sample.

However, after the preparation of the gas-containing coal sample is completed, the prepared gas-containing coal sample can be contacted with air to cause gas dissipation, so that subsequent experimental errors can be caused, and the use is not facilitated.

Disclosure of utility model

The utility model provides a sealed preparation table, which solves the technical problems of the prior art.

The scheme for solving the technical problems is as follows: including vacuum pump, high-pressure gas bottle and operation panel, the operation panel includes roof, box and circular operation panel, paste sealing connection through silica gel between roof and the box, circular operation panel and the inside bottom fixed connection of box, the inside bottom of box is provided with the silica gel liquid bottle, the round hole has been seted up to the roof upper end, round hole lower extreme fixedly connected with rubber glove, through intake pipe fixed intercommunication between box and the high-pressure gas bottle, through outlet duct fixed intercommunication between box and the vacuum pump, be provided with valve two and manometer two in the intake pipe, be provided with valve one and manometer one on the outlet duct.

On the basis of the technical scheme, the utility model can be improved as follows.

Further, the first valve and the second valve are screw type valves.

Further, the upper end surface of the top plate is fixedly connected with a circular ring, and the box body is rectangular.

Further, the materials of the box body and the top plate are transparent glass materials.

Further, the rubber glove has a certain ductility, and the length of the rubber glove can reach the bottom of the box body.

Further, the liquid outlet mode of the silica gel liquid bottle is a push type, the first pressure gauge is arranged at the position, close to the box body, of the left side of the first valve, and the second pressure gauge is arranged at the position, close to the high-pressure gas bottle, of the right side of the second valve.

The beneficial effects of the utility model are as follows: the utility model provides a sealed preparation table, which has the following advantages:

After the experiment is completed in a closed environment, a layer of silica gel solution is smeared on the outer side of a coal sample in the closed box body by using rubber gloves, and the silica gel solution is taken out.

The foregoing description is only an overview of the present utility model, and is intended to provide a better understanding of the present utility model, as it is embodied in the following description, with reference to the preferred embodiments of the present utility model and the accompanying drawings. Specific embodiments of the present utility model are given in detail by the following examples and the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:

Fig. 1 is a schematic structural diagram of a sealed preparation table according to an embodiment of the utility model.

In the drawings, the list of components represented by the various numbers is as follows:

1. A vacuum pump; 2. a high pressure gas bottle; 3. a first pressure gauge; 4. a second pressure gauge; 5. a valve I; 6. a second valve; 7. a top plate; 8. a circular operation table; 9. rubber gloves; 10. a silicone fluid bottle; 11. and (3) a circular ring.

Detailed Description

The principles and features of the present utility model are described below with reference to fig. 1, but the examples are provided for illustration only and are not intended to limit the scope of the utility model. The utility model is more particularly described by way of example in the following paragraphs with reference to the drawings. Advantages and features of the utility model will become more apparent from the following description and from the claims. It should be noted that the drawings are in a very simplified form and are all to a non-precise scale, merely for convenience and clarity in aiding in the description of embodiments of the utility model.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When a component is considered to be "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1, the utility model provides a sealed preparation table, which comprises a vacuum pump 1, a high-pressure gas bottle 2 and an operation box, wherein the operation box comprises a top plate 7, a box body and a circular operation table 8, the top plate 7 is in sealing connection with the box body through a silica gel paste, the circular operation table 8 is fixedly connected with the bottom end inside the box body, the bottom end inside the box body is provided with a silica gel bottle 10, a round hole is formed in the upper end of the top plate 7, the lower end of the round hole is fixedly connected with a rubber glove 9, the box body is fixedly communicated with the high-pressure gas bottle 2 through an air inlet pipe, the box body is fixedly communicated with the vacuum pump 1 through an air outlet pipe, a valve II 6 and a pressure gauge II 4 are arranged on the air inlet pipe, and a valve I5 and a pressure gauge I3 are arranged on the air outlet pipe.

Preferably, the first valve 5 and the second valve 6 are screw type valves.

Preferably, the upper end surface of the top plate 7 is fixedly connected with a circular ring 11, and the box body is rectangular.

Preferably, the material of box and roof 7 is transparent glass material, and transparent glass material is convenient for observe and has certain sturdiness simultaneously and prevent that vacuum pump 1 during operation from being destroyed.

Preferably, the rubber glove 9 has a certain ductility, and the length of the rubber glove 9 can reach the bottom of the box.

Preferably, the silica gel liquid bottle 10 is pressed, the first pressure gauge 3 is located at the left side of the first valve 5 and near the box, and the second pressure gauge 4 is located at the right side of the second valve 6 and near the high-pressure gas bottle 2.

The specific working principle and the using method of the utility model are as follows:

The utility model provides a sealed preparation table, when in use, firstly, the whole device is checked for air tightness, after the air tightness is checked, a top plate 7 is taken down, a coal sample is placed in the center of a circular operation table 8, a silica gel liquid bottle 10 filled with silica gel liquid is placed at the placement position, after the operation is finished, the top plate 7 is completely covered, and the sealing is carried out through the silica gel paste. Opening the first valve 5 and the second valve 6 to keep the high-pressure gas bottle 2 in a closed state, opening the vacuum pump 1 to perform vacuumizing treatment on the whole device, observing the numbers of the first pressure gauge 3 and the second pressure gauge 4, closing the first valve 5 after the vacuumizing treatment is finished, keeping the second valve 6 in an open state, opening the high-pressure gas bottle 2 to inflate, and closing the high-pressure gas bottle 2 and simultaneously closing the second valve 6 after the number of the second pressure gauge 4 reaches a preset value. And keeping the test device stable, and opening the valve II 6 and the high-pressure gas bottle 2 again to supplement gas after the number indicated by the first pressure gauge 3 is lower than a preset value, and continuously closing the valve II 6 and the high-pressure gas bottle 2 after the number indicated by the second pressure gauge 4 reaches the preset value, wherein the number indicated by the first pressure gauge 3 is still kept to be the preset value after the reciprocating device is stationary for 6 hours, so that the preparation of the gas-containing coal sample is finished. After the preparation of the coal sample, the silica gel liquid in the silica gel liquid bottle 10 built in the box body is used for smearing the coal sample to isolate the gas exchange between the coal sample and the outside, the triaxial test can be directly carried out after the preparation is finished, and the coal sample can be taken out from the top plate 7 and put into a constant-pressure gas container with the same gas pressure for preservation if the storage is needed.

The above description is only of the preferred embodiments of the present utility model, and is not intended to limit the present utility model in any way; those skilled in the art will readily appreciate that the present utility model may be implemented as shown in the drawings and described above; however, those skilled in the art will appreciate that many modifications, adaptations, and variations of the present utility model are possible in light of the above teachings without departing from the scope of the utility model; meanwhile, any equivalent changes, modifications and evolution of the above embodiments according to the essential technology of the present utility model still fall within the scope of the present utility model.

Claims

1. The utility model provides a sealed preparation platform, includes vacuum pump (1), high-pressure gas bottle (2) and operation box, its characterized in that, the operation box includes roof (7), box and circular operation panel (8), paste sealing connection through silica gel between roof (7) and the box, circular operation panel (8) and the inside bottom fixed connection of box, the inside bottom of box is provided with silica gel bottle (10), the round hole has been seted up to roof (7) upper end, round hole lower extreme fixedly connected with rubber glove (9), through intake pipe fixed intercommunication between box and the high-pressure gas bottle (2), through outlet duct fixed intercommunication between box and the vacuum pump (1), be provided with valve two (6) and manometer two (4) in the intake pipe, be provided with valve one (5) and manometer one (3) on the outlet duct.

2. A sealed preparation table according to claim 1, characterized in that the first valve (5) and the second valve (6) are screw type valves.

3. The sealed preparation table according to claim 1, wherein the upper end surface of the top plate (7) is fixedly connected with a circular ring (11), and the shape of the box body is rectangular.

4. The sealed preparation table according to claim 1, wherein the material of the box body and the top plate (7) is transparent glass material.

5. A sealed preparation table according to claim 1, characterized in that the rubber glove (9) has a certain ductility, the length of the rubber glove (9) being such that it reaches the bottom of the tank.

6. The sealed preparation table according to claim 1, wherein the liquid outlet mode of the silica gel liquid bottle (10) is a push type, the first pressure gauge (3) is arranged at a position, close to the box body, on the left side of the first valve (5), and the second pressure gauge (4) is arranged at a position, close to the high-pressure gas bottle (2), on the right side of the second valve (6).