CN220101336U - Automatic sludge removing device for coal mine water absorbing well - Google Patents
Automatic sludge removing device for coal mine water absorbing well Download PDFInfo
- Publication number
- CN220101336U CN220101336U CN202321640059.8U CN202321640059U CN220101336U CN 220101336 U CN220101336 U CN 220101336U CN 202321640059 U CN202321640059 U CN 202321640059U CN 220101336 U CN220101336 U CN 220101336U
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- Prior art keywords
- water
- well
- sludge
- sludge concentration
- concentration sensor
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 96
- 239000010802 sludge Substances 0.000 title claims abstract description 73
- 239000003245 coal Substances 0.000 title claims abstract description 14
- 239000002002 slurry Substances 0.000 claims abstract description 21
- 238000009826 distribution Methods 0.000 claims abstract description 16
- 238000002347 injection Methods 0.000 claims abstract description 16
- 239000007924 injection Substances 0.000 claims abstract description 16
- 238000003860 storage Methods 0.000 claims abstract description 9
- 239000007788 liquid Substances 0.000 claims description 7
- 239000000725 suspension Substances 0.000 claims 1
- 238000010521 absorption reaction Methods 0.000 abstract description 26
- 239000013049 sediment Substances 0.000 abstract description 5
- 238000004140 cleaning Methods 0.000 description 11
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 206010003497 Asphyxia Diseases 0.000 description 1
- 206010017740 Gas poisoning Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Landscapes
- Treatment Of Sludge (AREA)
Abstract
The utility model discloses an automatic sludge removal device for a coal mine water absorption well, which comprises a water absorption well of a coal mine underground water storage bin, wherein a slurry pump is arranged at the bottom of the water absorption well, a water distribution pipeline for outwards outputting and a water injection pipeline for removing the sludge are arranged in the water absorption well, the water distribution pipeline and the water injection pipeline are respectively provided with a control valve, the control valves are electromagnetic control valves, a sludge concentration sensor is arranged in the water absorption well at a certain height away from the bottom of the well, signals of the sludge concentration sensor are connected to a signal input end of a PLC (programmable logic controller) through a sludge concentration detector, and a plurality of control output ends of the PLC are respectively connected with the slurry pump, the water distribution pipeline and the electromagnetic control valves of the water injection pipeline; the utility model utilizes the signal of the sludge concentration sensor to automatically control the slurry pump to remove the sludge at the water absorption well bottom of the sediment storage bin through the controller, thereby realizing the aim of unmanned operation of removing the sludge by the water absorption well in the coal mine.
Description
Technical Field
The utility model relates to an automatic sludge removal device for a coal mine water absorbing well.
Technical Field
There is the retaining sump in the colliery in the pit, and the moisturizing of sump is usually used is colliery production process water's recovery flows into the retaining sump through the water absorption well and supplements, and the not enough part is added new water again, consequently, can bring a large amount of buggy impurity in the in-process of retrieving, although there is the sedimentation tank to filter, still have some float buggy to get into and form silt to deposit in the sump water absorption well, and the silt in the sump water absorption well can lead to the water pump to block up and reduce the effective retaining volume of sump, needs timely clearance. At present, the traditional method for cleaning the water absorbing well comprises manual cleaning and cleaning by adopting a slurry pump. The manual cleaning is to drain water in a water sump in advance by a pump through the operation of workers in the well, and manually clean sludge and carry out outward construction; the cleaning of the slurry pump is that field personnel work irregularly according to experience observation, and water and sludge are discharged into a sedimentation tank through the slurry pump; the objective disadvantages are: manual cleaning is time-consuming and labor-consuming, and has safety risks of suffocation and gas poisoning; the cleaning of the slurry pump is carried out through manual observation and judgment, and when the cleaning of the water absorbing well can only be carried out through manual observation, the cleaning of coal slime can be untimely.
Disclosure of Invention
Aiming at the problems, the utility model aims to provide an automatic sludge removal device for a coal mine water absorption well, which is characterized in that a sludge concentration sensor is arranged in the bottom space of the water absorption well, and a sludge pump is automatically controlled by using a sensor signal to remove sludge at the bottom of the water absorption well of a sediment storage bin.
In order to achieve the above purpose, the technical scheme provided by the utility model is as follows:
the utility model provides a colliery water absorbing well mud automatic clearing device, includes the water absorbing well of colliery underground water storage storehouse, is provided with the sediment stuff pump in the water absorbing well bottom and is used for cleaing away the mud in the water absorbing well, is provided with the water distribution pipeline of outside output and is used for the water injection pipeline of decontaminating in the water absorbing well, and water distribution pipeline and water injection pipeline are provided with control valve respectively, wherein: the control valve is an electromagnetic control valve, a sludge concentration sensor is arranged at a certain height away from the bottom of the well in the water absorption well, the signal of the sludge concentration sensor is connected to the signal input end of the PLC through a sludge concentration detector, and a plurality of control output ends of the PLC are respectively connected with the electromagnetic control valve of the slurry pump, the water distribution pipeline and the water injection pipeline; when the sludge concentration measured by the sludge concentration sensor reaches a certain degree higher than clear water, the PLC controls the electromagnetic control valve of the water distribution pipeline to be closed, the electromagnetic control valve of the water injection pipeline to be opened, and the slurry pump is started to realize automatic sludge removal.
The scheme is further as follows: the sludge concentration sensor is a liquid density sensor.
The scheme is further as follows: the sludge concentration sensor is fixed on a weight which is suspended in the water absorbing well by a rope at a certain height from the bottom of the well, and the weight is used for stably suspending the sludge concentration sensor.
The scheme is further as follows: the bottom of the water absorbing well is vertically provided with a vertical rod, and the sludge concentration sensor is fixed on the vertical rod at a certain height away from the bottom of the well.
The scheme is further as follows: the sludge concentration sensor is positioned at a certain height from the bottom of the well in the range of 100mm to 300 mm.
The beneficial effects of the utility model are as follows: through set up a mud concentration sensor in the suction well bottom space, utilize the sensor signal to pass through the mud pump of controller automatic control sediment storage storehouse water absorption shaft bottom's mud to clear away, solved the mud clearance untimely and artifical clear to dig time, take a lot of time the problem, realized colliery underground suction well and clear away the unmanned target of mud operation.
The utility model is further illustrated by the following figures and examples.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
fig. 2 is a block diagram of the electronic control logic of the present utility model.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
The automatic sludge removal device for the coal mine water absorption well comprises a water absorption well 1 of a coal mine underground water storage bin, wherein a slurry pump 2 is arranged at the bottom of the water absorption well, the slurry pump 2 is used for removing sludge in the water absorption well, and the slurry pump 2 can be directly arranged at the bottom of the water absorption well as a submersible slurry pump or can be arranged outside through a pipeline to absorb a slurry from the bottom of the water absorption well as shown in fig. 1; an outward output water distribution pipeline 3 and a water injection pipeline 4 for cleaning are arranged in the water absorbing well, and a water storage pipeline (not shown in the figure) is arranged, wherein the water distribution pipeline is provided with a control valve 301, and the water injection pipeline is provided with a control valve 401, wherein: the control valves 301 and 401 are electromagnetic control valves, a sludge concentration sensor 5 is arranged at a certain height from the bottom of the well in the water absorption well, the signal of the sludge concentration sensor is connected to the signal input end of a PLC (programmable logic controller) 7 through a sludge concentration detector 6, and a plurality of control output ends of the PLC (programmable logic controller) are respectively connected with the slurry pump 2, the electromagnetic control valve 301 of the water distribution pipeline and the electromagnetic control valve 401 of the water injection pipeline; when the sludge concentration measured by the sludge concentration sensor reaches a certain level higher than the clear water, for example: when the sludge concentration reaches 90% higher than the clear water sludge concentration (the clear water sludge concentration is set to be 0 and the pure sludge concentration is set to be 1), the PLC controller controls the electromagnetic control valve of the water distribution pipeline to be closed, the electromagnetic control valve of the water injection pipeline to be opened, the slurry pump is started to automatically remove the sludge, and when the concentration falls to a certain level, the slurry pump is stopped to work, the electromagnetic control valve of the water distribution pipeline is opened, and the electromagnetic control valve of the water injection pipeline is closed.
In the examples: the sludge concentration sensor is an on-line liquid concentration sensor of the model MSDR-S, which may also be referred to as a liquid density sensor, for example: resonant liquid density sensors, the principle of which is to measure is by contacting the liquid with an elastic sensing element in the system. Thereby changing the equivalent mass of the system and changing the natural frequency of the system. The density of the liquid to be measured is determined by measuring the fixed frequency variation of the system.
In the examples: in order to suspend the sludge concentration sensor in the suction well at a certain height from the bottom of the well, the sludge concentration sensor is fixed on a weight 8 which is used for stably suspending the sludge concentration sensor and is suspended in the suction well at a certain height from the bottom of the well through a rope 9; the weight is 3 to 5 kg steel block for example, and the sludge concentration sensor is fixed on the steel block through bolts or buckles, and one end of the rope 9 is connected to the bracket 10 and then hung in the water absorbing well through the pulley 11, and the stability of the sludge concentration sensor can be ensured by fixing the sludge concentration sensor on one weight 8, and the sludge concentration sensor still returns to a stable position after being fluctuated by water, and the height away from the bottom of the well can be conveniently adjusted by using the rope 9 and the pulley 11 to hang. Of course, other fixing means are possible, such as a vertical rod vertically arranged at the bottom of the suction well, and the sludge concentration sensor is fixed to the vertical rod at a certain height from the bottom of the well (this structure is not shown). Wherein the sludge concentration sensor has a certain height from the bottom of the well in the range of 100mm to 300 mm.
According to the embodiment of the automatic sludge removal device for the coal mine water absorption well, the sludge concentration sensor is arranged in the bottom space of the water absorption well, the sludge at the water absorption bottom of the sediment water storage bin is removed by utilizing the sensor signal through the controller for automatically controlling the slurry pump, the problems that the sludge is not removed timely and is time-consuming and labor-consuming in manual cleaning are solved, and the aim of unmanned operation of removing the sludge by the coal mine water absorption well is fulfilled.
Claims (5)
1. The automatic sludge removing device for the coal mine water absorbing well comprises a water absorbing well of a coal mine underground water storage bin, wherein a slurry pump is arranged at the bottom of the water absorbing well and used for removing sludge in the water absorbing well, a water distribution pipeline and a water injection pipeline which are output outwards are arranged in the water absorbing well, and control valves are respectively arranged on the water distribution pipeline and the water injection pipeline, and the automatic sludge removing device is characterized in that the control valves are electromagnetic control valves, a sludge concentration sensor is arranged at a certain height away from a bottom of a well in the water absorbing well, signals of the sludge concentration sensor are connected to a signal input end of a PLC (programmable logic controller) through a sludge concentration detector, and a plurality of control output ends of the PLC are respectively connected with the slurry pump, the water distribution pipeline and the electromagnetic control valves of the water injection pipeline; when the sludge concentration measured by the sludge concentration sensor reaches a certain degree higher than clear water, the PLC controls the electromagnetic control valve of the water distribution pipeline to be closed, the electromagnetic control valve of the water injection pipeline to be opened, and the slurry pump is started to realize automatic sludge removal.
2. The automatic sludge removal device of claim 1, wherein the sludge concentration sensor is a liquid density sensor.
3. The automatic sludge removal apparatus as claimed in claim 1, wherein the sludge concentration sensor is fixed to a weight for stable suspension of the sludge concentration sensor, and suspended in the suction well by a rope at a certain height from the bottom of the well.
4. The automatic sludge removal device as claimed in claim 1, wherein a vertical rod is vertically provided at the bottom of the suction well, and the sludge concentration sensor is fixed to the vertical rod at a certain height from the bottom of the well.
5. The automatic sludge removal apparatus as claimed in any one of the preceding claims, wherein the sludge concentration sensor has a height from the bottom of the well in the range of 100mm to 300 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321640059.8U CN220101336U (en) | 2023-06-27 | 2023-06-27 | Automatic sludge removing device for coal mine water absorbing well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321640059.8U CN220101336U (en) | 2023-06-27 | 2023-06-27 | Automatic sludge removing device for coal mine water absorbing well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220101336U true CN220101336U (en) | 2023-11-28 |
Family
ID=88871478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321640059.8U Active CN220101336U (en) | 2023-06-27 | 2023-06-27 | Automatic sludge removing device for coal mine water absorbing well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220101336U (en) |
-
2023
- 2023-06-27 CN CN202321640059.8U patent/CN220101336U/en active Active
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