CN211777589U - Automatic drainage device in coal mine - Google Patents
Automatic drainage device in coal mine Download PDFInfo
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- CN211777589U CN211777589U CN202020440979.5U CN202020440979U CN211777589U CN 211777589 U CN211777589 U CN 211777589U CN 202020440979 U CN202020440979 U CN 202020440979U CN 211777589 U CN211777589 U CN 211777589U
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- drainage device
- ball valve
- coal mine
- pneumatic pump
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Abstract
The utility model discloses a colliery is automatic drainage device in pit, this automatic drainage device include electric ball valve, pneumatic pump, arrange the water level controller and the controller of drainage point in the pit in, and electric ball valve sets up on the main intercommunication pipeline of intercommunication pneumatic pump and air pipe in the pit, hydraulic sensor and controller communication connection, electric ball valve and controller control connection. The drainage device is simple in structure, few in adopted parts and high in detection precision, the number of guard of underground personnel is reduced, and the labor intensity of underground workers is reduced.
Description
Technical Field
The utility model relates to a drainage technical field especially relates to a colliery is automatic drainage device in pit.
Background
The colliery needs a plurality of drainage sump in the pit, to the drainage in every drainage point sump, adopts artifical guard's mode basically at present, and this kind of manually operation's drainage device is not only intensity of labour big, work efficiency low, because degree of automation is low, the personnel selection is in large quantities moreover, consequently is difficult to realize real-time monitoring and timely opening and stopping. Due to the program requirement of manual operation, the operation program is generally complex, the hidden danger of manual misoperation is large, and the requirement of modern mine management is not met. Although some automatic drainage systems in the test stage exist at present, the water level detection precision is not high generally, a programmable logic device PLC is adopted as a core control element, so that the drainage cost is greatly improved, and the equipment is difficult to adapt to the underground severe environment, so that the running reliability of the equipment is low and the anti-interference capability is weak.
To the above-mentioned problem, put forward the utility model discloses specially.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a colliery is automatic drainage device in pit, this drainage device simple structure, the part that adopts is few, detects the precision height, has reduced personnel in the pit and has watched on guard, has reduced staff's in the pit intensity of labour.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a colliery is automatic drainage device in pit, includes electric ball valve, pneumatic pump, arranges water level controller and the controller of drainage point in the pit in, electric ball valve sets up on the main intercommunication pipeline of intercommunication pneumatic pump and underground ventilation pipe, water level controller and controller communication connection, electric ball valve and controller control connection.
Preferably, the water level controller has three probes, and the three probes are divided into a high water level probe, a low water level probe and a common probe.
Preferably, the distances between the high water level probe, the low water level probe and the common probe and the bottom of the underground drainage point are 60cm, 40cm and 20cm respectively.
Preferably, the pneumatic pump is communicated with the underground ventilating pipeline through an auxiliary communicating pipeline, and a manual valve is arranged on the auxiliary communicating pipeline.
Preferably, a protection box is arranged on a wall body beside the water sump of the drainage point, and the electric ball valve and the manual valve are arranged in the protection box.
Preferably, the manual valve is a ball valve.
Preferably, the distance between the pneumatic pump and the underground drainage point is 5 m.
Preferably, the working wind pressure of the wind pump is 0.2MPa to 1.5 MPa.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the utility model provides an automatic drainage device in a coal mine well, which has simple structure, uses few parts and reduces the production cost; the matching use of the electric ball valve, the water level controller and the pneumatic pump improves the detection precision of the automatic drainage device, has high automation degree and small failure rate, reduces the guard of underground personnel, and reduces the labor intensity of underground workers; the manual valve is connected in parallel with the electric ball valve, so that manual control is facilitated, flexibility is high, when the water level controller or the electric ball valve fails and cannot work normally, manual control can be achieved, the manual valve is opened, the pneumatic pump can be opened normally to drain water, excessive water accumulation in the water tank is prevented from being generated and cannot be treated, and the manual valve is convenient to overhaul; the electric ball valve and the manual valve are arranged in the protective box on the wall body beside the drainage point water sump to protect the electric ball valve and the manual valve, so that the corrosion of the complicated underground coal mine environment to the electric ball valve and the manual valve is reduced, and the service lives of the electric ball valve and the manual valve are prolonged; the utility model discloses automatic drainage device adopts the pneumatic pump to carry out the drainage to the drainage point sump, and the pressure wind that the pneumatic pump started comes from air pipe in the pit, and this fabulous utilization the underground environment, saved the energy.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings described below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of the coal mine underground automatic drainage device of the utility model.
In the figure: 1-underground ventilation pipe, 2-pneumatic pump, 3-electric ball valve, 4-manual valve, 5-water level controller, 51-high water level probe, 52-low water level probe, 53-common probe, 6-protective box.
Detailed Description
The core of the utility model lies in providing a colliery is automatic drainage device in pit, this drainage device simple structure, the part that adopts is few, detects the precision height, has reduced personnel in the pit and has watched on, has reduced staff's in the pit intensity of labour.
In order to make the technical solution of the present invention better understood by those skilled in the art, the following description is given with reference to the accompanying drawings of the present invention for clear and complete description of the technical solution of the present invention. Based on the embodiments in the present application, other similar embodiments obtained by persons of ordinary skill in the art without any creative effort shall fall within the protection scope of the present application.
As shown in fig. 1, the automatic drainage device for a coal mine underground provided in this embodiment includes an electric ball valve 3, a manual valve 4, a pneumatic pump 2, a water level controller 5 disposed at an underground drainage point, and a controller, where the electric ball valve 3 is disposed on a main communication pipeline communicating the pneumatic pump 2 and the underground ventilation pipeline 1, the manual valve 4 is disposed on an auxiliary communication pipeline communicating the pneumatic pump 2 and the underground ventilation pipeline 1, the manual valve 4 is a ball valve, the water level controller 5 is in communication connection with the controller, the electric ball valve 3 is in control connection with the controller, and the controller controls the electric ball valve 3 to be opened and closed according to a detection signal of the water level controller 5. The electric ball valve 3 and the manual valve 4 are arranged, so that when the electric ball valve 3 on the main communication pipeline between the pneumatic pump 2 and the underground ventilation pipeline 1 breaks down, the manual ball valve can be used, and the normal operation of drainage of a drainage point under a coal mine can be guaranteed.
Be provided with guard box 6 on the other wall body in drainage point sump, electric ball valve 3 and manual valve 4 are arranged in guard box 6, and guard box 6 protects electric ball valve 3 and manual valve 4, has reduced the complicated environment in the pit of colliery and has prolonged electric ball valve 3 and manual valve 4's life to electric ball valve 3 and manual valve 4's corruption.
As a preference of the present embodiment, the water level controller 5 has three probes, which are divided into a high water level probe 51, a low water level probe 52 and a common probe 53, the high water level probe having a probe point at an allowable highest water level, and the water level contact is effective; the probe of the low water level is arranged at the lowest allowable water level, and the water level is separated from the effective water level; the probe is arranged at the bottom of the water and is kept in contact with the water no matter the water level is high or the water level is low. The distances from the high water level probe 51, the low water level probe 52 and the common probe 53 to the bottom of the underground drainage point are 60cm, 40cm and 20cm respectively. The distance between the high water level probe 51 and the low water level probe 52 and the bottom of the underground drainage point is set so that the requirements for drainage of the underground drainage point can be met.
In this embodiment, the distance between the pneumatic pump 2 and the underground drainage point is 5m, which not only meets the requirement of the pneumatic pump 2 for drainage of the drainage point, but also has a certain distance with the underground drainage point, thereby protecting the pneumatic pump 2.
The working wind pressure of the pneumatic pump 2 is 0.2 MPa-1.5 MPa, and the pressure wind provided by the underground ventilating duct 1 is enough to start the pneumatic pump 2, so that the energy is saved.
When the automatic drainage device is used, when the water level rises to the high water level probe 51, the electric ball valve 3 is opened, pressure air of the underground coal mine ventilation pipeline 1 is introduced into the pneumatic pump 2 through the electric ball valve 3, the pneumatic pump 2 is opened for drainage, when the water level drops to a position below the low water level probe 52, the electric ball valve 3 is closed, then the pneumatic pump 2 is closed for stopping drainage, and the automation of drainage of underground drainage points is realized.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. The utility model provides a colliery is automatic drainage device in pit which characterized in that, includes electric ball valve, pneumatic pump, arranges water level controller and the controller of drainage point in the pit in, electric ball valve sets up on the main intercommunication pipeline of intercommunication pneumatic pump and underground ventilation pipe, water level controller and controller communication connection, electric ball valve and controller control connection.
2. The automatic drainage device in coal mine well according to claim 1, characterized in that said water level controller has three probes, which are high water level probe, low water level probe and common probe.
3. The automatic drainage device in a coal mine well according to claim 2, characterized in that the distances between the high water level probe, the low water level probe and the common probe and the bottom of the underground drainage point are respectively 60cm, 40cm and 20 cm.
4. The automatic drainage device in a coal mine well according to claim 1, characterized in that the pneumatic pump is communicated with the underground ventilating pipeline through an auxiliary communicating pipeline, and the auxiliary communicating pipeline is provided with a manual valve.
5. The automatic water discharging device in a coal mine well according to claim 4, characterized in that a protective box is arranged on a wall body beside the water sump of the water discharging point, and the electric ball valve and the manual valve are arranged in the protective box.
6. The automatic drainage device in the coal mine well according to claim 4, characterized in that the manual valve is a ball valve.
7. The automatic drainage device in a coal mine well according to claim 1, wherein the distance between the pneumatic pump and a drainage point in the well is 5 m.
8. The automatic drainage device in the coal mine well according to claim 1, wherein the working wind pressure of the pneumatic pump is 0.2MPa to 1.5 MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020440979.5U CN211777589U (en) | 2020-03-31 | 2020-03-31 | Automatic drainage device in coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020440979.5U CN211777589U (en) | 2020-03-31 | 2020-03-31 | Automatic drainage device in coal mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211777589U true CN211777589U (en) | 2020-10-27 |
Family
ID=72927943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020440979.5U Active CN211777589U (en) | 2020-03-31 | 2020-03-31 | Automatic drainage device in coal mine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211777589U (en) |
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2020
- 2020-03-31 CN CN202020440979.5U patent/CN211777589U/en active Active
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