CN212508207U - Pneumatic automatic liquid injection device for coal mine - Google Patents
Pneumatic automatic liquid injection device for coal mine Download PDFInfo
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- CN212508207U CN212508207U CN202021225519.7U CN202021225519U CN212508207U CN 212508207 U CN212508207 U CN 212508207U CN 202021225519 U CN202021225519 U CN 202021225519U CN 212508207 U CN212508207 U CN 212508207U
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Abstract
The utility model discloses a pneumatic automatic liquid injection device for coal mines, which comprises a first polyurethane raw material container and a second polyurethane raw material container which are closed; liquid outlet pipes are arranged in the first polyurethane raw material container and the second polyurethane raw material container, and solution outlets of the two liquid outlet pipes are connected to the same position of the grouting pipe; air inlet pipes are arranged in the first polyurethane raw material container and the second polyurethane raw material container, and air inlets of the two air inlet pipes are connected to the same position of the air pressing main pipe; the air inlet pipe is used for introducing isobaric compressed air into the closed first polyurethane raw material container and the closed second polyurethane raw material container; the utility model discloses a pressure wind is introduced from pressure wind house steward to inject into first polyurethane raw material container and second polyurethane raw material container respectively through two the same air-supply lines, make raw materials liquid discharge under pressure, with the raw materials liquid play liquid measure the same in the raw materials liquid that reaches in the first polyurethane raw material container and the second polyurethane raw material container.
Description
Technical Field
The utility model belongs to the technical field of coal mine equipment, especially, relate to a pnematic automatic priming device for coal mine.
Background
During coal mining, it is often necessary to close the gas bore. The common sealing method is to inject polyurethane into the gas drill hole so as to block the gas drill hole.
However, in the process of injecting polyurethane into the gas drill hole, two polyurethane raw material liquids need to be injected simultaneously, and the polyurethane generated after the reaction can achieve the due effect of plugging the gas drill hole according to the proportion requirement of 1: 1.
Although the existing grouting pump can inject raw materials at the same time, the injection proportion of the raw materials is difficult to adjust, and the sealing effect of polyurethane generated after the two raw materials are mixed is poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a pnematic automatic priming device for coal mine can promote the proportion accuracy of two kinds of liquid of pouring into.
The utility model adopts the following technical scheme: a pneumatic automatic liquid injection device for coal mines comprises a first polyurethane raw material container and a second polyurethane raw material container which are closed;
liquid outlet pipes are arranged in the first polyurethane raw material container and the second polyurethane raw material container, and solution outlets of the two liquid outlet pipes are connected to the same position of the grouting pipe;
air inlet pipes are arranged in the first polyurethane raw material container and the second polyurethane raw material container, and air inlets of the two air inlet pipes are connected to the same position of the air pressing main pipe;
the air inlet pipe is used for introducing isobaric compressed air into the closed first polyurethane raw material container and the closed second polyurethane raw material container, so that the liquids in the first polyurethane raw material container and the second polyurethane raw material container are discharged through the liquid outlet pipe in an equivalent amount at the same time.
Further, the liquid outlets of the two liquid outlet pipes are connected with the grouting pipe through a tee joint, and the liquid outlets of the two liquid outlet pipes are respectively connected to a straight port of the tee joint.
Furthermore, the air inlets of the two air inlet pipes are connected with the air pressing main pipe through a tee joint, and the air inlets of the two air inlet pipes are respectively connected to the straight-through ports of the tee joint.
Further, the first polyurethane raw material container and the second polyurethane raw material container are equal in size and shape.
Furthermore, liquid adding funnels are mounted on the first polyurethane raw material container and the second polyurethane raw material container, and are used for supplementing liquid for the first polyurethane raw material container and the second polyurethane raw material container.
Further, the liquid inlet of the liquid outlet pipe is positioned at the bottom of the first polyurethane raw material container/the second polyurethane raw material container.
Further, the air outlet of the air inlet pipe is positioned at the top of the first polyurethane raw material container/the second polyurethane raw material container.
Further, a negative pressure meter is installed on the compressed air main pipe.
The utility model has the advantages that: the utility model discloses a pressure wind is introduced from pressure wind house steward to inject into first polyurethane raw material container and second polyurethane raw material container respectively through two the same air-supply lines, make the raw materials liquid in first polyurethane raw material container and the second polyurethane raw material container discharge through the same drain pipe under pressure, it is the same with the raw materials liquid play liquid measure in the second polyurethane raw material container to reach the raw materials liquid in the first polyurethane raw material container.
Drawings
Fig. 1 is a schematic structural view of a pneumatic automatic liquid injection device according to an embodiment of the present invention;
wherein: 1. a first polyurethane raw material container; 2. a second polyurethane feedstock container; 3. a liquid outlet pipe; 4. an air inlet pipe; 5. a negative pressure gauge; 6. a liquid adding funnel; 7. a valve; 8. a grouting pipe; 9. and a compressed air main pipe.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
The utility model relates to a pneumatic automatic liquid injection device for coal mine, as shown in figure 1, comprising a first polyurethane raw material container 1 and a second polyurethane raw material container 2 which are closed; liquid outlet pipes 3 are arranged in the first polyurethane raw material container 1 and the second polyurethane raw material container 2, and solution outlets of the two liquid outlet pipes 3 are connected to the same position of the grouting pipe 8; air inlet pipes 4 are arranged in the first polyurethane raw material container 1 and the second polyurethane raw material container 2, and air inlets of the two air inlet pipes 4 are connected to the same position of the air pressure main pipe 9; the air inlet pipe 4 is used for introducing isobaric compressed air into the first polyurethane raw material container 1 and the second polyurethane raw material container 2 which are closed, so that the liquids in the first polyurethane raw material container 1 and the second polyurethane raw material container 2 are simultaneously and equivalently discharged through the liquid outlet pipe 3.
The utility model discloses a pressure wind is introduced from pressure wind house steward to inject into first polyurethane raw material container and second polyurethane raw material container respectively through two the same air-supply lines, make the raw materials liquid in first polyurethane raw material container and the second polyurethane raw material container discharge through the same drain pipe under pressure, it is the same with the raw materials liquid play liquid measure in the second polyurethane raw material container to have reached the raw materials liquid in the first polyurethane raw material container.
In the embodiment of the present invention, two liquid outlet pipes 3 are designed to have the same length and diameter, and similarly, two air inlet pipes 4 are also designed to have the same length and diameter. Therefore, when compressed air enters the two air inlet pipes 4 from the compressed air main pipe 9, the pressure of the two divided compressed air is the same, so that the pressure change states in the first polyurethane raw material container 1 and the second polyurethane raw material container 2 are also the same, and further, under the pressure action in the first polyurethane raw material container 1 and the second polyurethane raw material container 2, the liquid amounts discharged from the two liquid outlet pipes 3 are also the same, so that 1:1 mixing of the two liquids is realized.
In this embodiment, the liquid outlets of the two liquid outlets 3 are connected to the grouting pipe 8 through a tee, and the liquid outlets of the two liquid outlets 3 are respectively connected to a straight port of the tee. By the arrangement, the liquid guided out by the two liquid outlet pipes 3 can be equivalently gathered at the joint of the grouting pipe 8, so that the liquid is fully mixed and reacted to form the expected product.
Specifically, the air inlets of the two air inlet pipes 4 are connected with the compressed air main pipe 9 through a tee joint, and the air inlets of the two air inlet pipes 4 are respectively connected to the straight-through ports of the tee joint. Through setting up like this, can guarantee that two strands of compressed air that compressed air house steward 9 cut apart evenly distribute two air-supply lines 4, and then guaranteed that the pressure in first polyurethane raw material container 1 and the second polyurethane raw material container 2 is the same.
In order to achieve the desired effect, in this embodiment, the first polyurethane material container 1 and the second polyurethane material container 2 are equal in size and shape. In addition, the first polyurethane material container 1 and the second polyurethane material container 2 are placed on the same horizontal plane, and in short, the difference in the state between the first polyurethane material container 1 and the second polyurethane material container 2 is minimized, and the influence of external factors on the state of the first polyurethane material container 1 and the second polyurethane material container 2 is reduced.
Exemplarily, when the liquids of the first polyurethane raw material container 1 and the second polyurethane raw material container 2 are used up, the liquids can be respectively replenished, the liquid replenishing efficiency is improved by installing the liquid adding hoppers 6 on the first polyurethane raw material container 1 and the second polyurethane raw material container 2, and the valves 7 are additionally installed on the liquid replenishing pipes of the first polyurethane raw material container 1 and the second polyurethane raw material container 2, so that the first polyurethane raw material container 1 and the second polyurethane raw material container 2 after the liquid replenishing is finished are both closed containers.
As a possible implementation manner, the liquid inlet of the liquid outlet pipe 3 is positioned at the bottom of the first polyurethane raw material container 1/the second polyurethane raw material container 2 so as to fully utilize the raw material liquid in the first polyurethane raw material container 1/the second polyurethane raw material container 2.
It should be noted that the air outlet of the air inlet pipe 4 is located at the top of the first polyurethane raw material container 1/the second polyurethane raw material container 2 and is located above the liquid level of the raw material liquid, so as to prevent the raw material liquid from flowing back along the air inlet pipe 4, and moreover, the pressure space is formed in the first polyurethane raw material container 1 and the second polyurethane raw material container 2, so that the gas presses the raw material liquid inside the first polyurethane raw material container 1/the second polyurethane raw material container 2 downwards from the top, and then the raw material liquid is discharged from the liquid outlet pipe 3 under the action of pressure.
In addition, in order to effectively control the pressure in the first polyurethane raw material container 1 and the second polyurethane raw material container 2, the negative pressure gauge 5 is installed on the compressed air main pipe 9, so that the air pressure of the compressed air main pipe 9 can be detected, the pressure of the first polyurethane raw material container 1 and the pressure of the second polyurethane raw material container 2 can be further calculated, and the pressure is prevented from being too large or too small.
Claims (8)
1. The pneumatic automatic liquid injection device for the coal mine is characterized by comprising a first polyurethane raw material container (1) and a second polyurethane raw material container (2) which are closed;
liquid outlet pipes (3) are arranged in the first polyurethane raw material container (1) and the second polyurethane raw material container (2), and solution outlets of the two liquid outlet pipes (3) are connected to the same position of the grouting pipe (8);
air inlet pipes (4) are arranged in the first polyurethane raw material container (1) and the second polyurethane raw material container (2), and air inlets of the two air inlet pipes (4) are connected to the same position of an air pressure main pipe (9);
the air inlet pipe (4) is used for introducing isobaric compressed air into the first polyurethane raw material container (1) and the second polyurethane raw material container (2) which are closed, so that liquid in the first polyurethane raw material container (1) and liquid in the second polyurethane raw material container (2) can be discharged through the liquid outlet pipe (3) in an equivalent amount at the same time.
2. The pneumatic automatic liquid injection device for the coal mine as claimed in claim 1, wherein the liquid outlets of the two liquid outlet pipes (3) are connected with the grouting pipe (8) through a tee joint, and the liquid outlets of the two liquid outlet pipes (3) are respectively connected to the through port of the tee joint.
3. The pneumatic automatic liquid injection device for the coal mine as claimed in claim 2, wherein the air inlets of the two air inlet pipes (4) are connected with the compressed air main pipe (9) through a tee joint, and the air inlets of the two air inlet pipes (4) are respectively connected to the through ports of the tee joint.
4. The pneumatic automatic liquid injection device for the coal mine according to claim 2 or 3, wherein the first polyurethane raw material container (1) and the second polyurethane raw material container (2) are equal in size and shape.
5. The pneumatic automatic liquid injection device for the coal mine is characterized in that liquid injection funnels (6) are mounted on the first polyurethane raw material container (1) and the second polyurethane raw material container (2), and the liquid injection funnels (6) are used for supplementing liquid to the first polyurethane raw material container (1) and the second polyurethane raw material container (2).
6. The pneumatic automatic liquid injection device for the coal mine according to claim 1, wherein a liquid inlet of the liquid outlet pipe (3) is positioned at the bottom of the first polyurethane raw material container (1)/the second polyurethane raw material container (2).
7. The pneumatic automatic liquid injection device for the coal mine is characterized in that an air outlet of the air inlet pipe (4) is positioned at the top of the first polyurethane raw material container (1)/the second polyurethane raw material container (2).
8. The pneumatic automatic liquid injection device for the coal mine as claimed in claim 6 or 7, wherein a negative pressure meter (5) is mounted on the compressed air main pipe (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021225519.7U CN212508207U (en) | 2020-06-29 | 2020-06-29 | Pneumatic automatic liquid injection device for coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021225519.7U CN212508207U (en) | 2020-06-29 | 2020-06-29 | Pneumatic automatic liquid injection device for coal mine |
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| Publication Number | Publication Date |
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| CN212508207U true CN212508207U (en) | 2021-02-09 |
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| CN202021225519.7U Active CN212508207U (en) | 2020-06-29 | 2020-06-29 | Pneumatic automatic liquid injection device for coal mine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111608610A (en) * | 2020-06-29 | 2020-09-01 | 陕西陕煤韩城矿业有限公司 | Pneumatic automatic liquid injection device for coal mine |
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- 2020-06-29 CN CN202021225519.7U patent/CN212508207U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111608610A (en) * | 2020-06-29 | 2020-09-01 | 陕西陕煤韩城矿业有限公司 | Pneumatic automatic liquid injection device for coal mine |
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