CN114109497A - Automatic pressure regulating drilling pump protection system for coal mine - Google Patents
Automatic pressure regulating drilling pump protection system for coal mine Download PDFInfo
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- CN114109497A CN114109497A CN202111332214.5A CN202111332214A CN114109497A CN 114109497 A CN114109497 A CN 114109497A CN 202111332214 A CN202111332214 A CN 202111332214A CN 114109497 A CN114109497 A CN 114109497A
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- 238000005553 drilling Methods 0.000 title claims abstract description 99
- 239000003245 coal Substances 0.000 title claims abstract description 57
- 230000001105 regulatory effect Effects 0.000 title claims description 15
- 238000005086 pumping Methods 0.000 claims abstract description 84
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 95
- 239000010883 coal ash Substances 0.000 claims description 35
- 239000000428 dust Substances 0.000 claims description 15
- 238000001914 filtration Methods 0.000 claims description 15
- 238000007599 discharging Methods 0.000 claims description 11
- 238000003809 water extraction Methods 0.000 claims description 8
- 238000000605 extraction Methods 0.000 claims description 7
- 230000001276 controlling effect Effects 0.000 claims description 6
- 239000002956 ash Substances 0.000 claims description 3
- 238000007667 floating Methods 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 3
- 238000000034 method Methods 0.000 description 7
- 238000009825 accumulation Methods 0.000 description 3
- 239000003921 oil Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F16/00—Drainage
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F5/00—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires
- E21F5/02—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires by wetting or spraying
- E21F5/04—Spraying barriers
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention discloses a drilling pump protection system for automatic pressure regulation for coal mines, which comprises a drilling platform and a master control system, and is characterized in that: the device comprises a drilling platform, a drilling pump, a pumping pipe, a universal joint, a plurality of air holes, air plates, a plurality of pumping pipes, baffles and an atomizer, wherein the drilling pump is arranged in the drilling platform, the pumping pipe is arranged below the drilling platform, the gauze is arranged in one end, close to the drilling pump, of the pumping pipe, one end of the pumping pipe is sleeved with the drilling pump, the other end of the pumping pipe penetrates through the drilling platform and is positioned in the drilling well, the pumping pipe is divided into an upper part and a lower part, the universal joint is arranged between the pumping pipe and the two parts, the outer wall of the pumping pipe is uniformly provided with a plurality of air holes, the air holes are connected with the air plates in a sliding mode, the pumping pipe is divided into a plurality of parts, the baffles are connected between the adjacent pumping pipes in a sliding mode, and the atomizer is arranged in each part of the pumping pipe.
Description
Technical Field
The invention relates to the technical field of drilling pumps, in particular to a drilling pump protection system capable of automatically adjusting pressure for a coal mine.
Background
The task of drilling a borehole from the surface using mechanical equipment or manual labor is known as drilling. Generally refers to the engineering of drilling boreholes and large diameter water supply wells for the exploration or development of oil, coal, and gas deposits. The application of well drilling in national economic construction is extremely wide. The rotary disk drill is widely used for drilling oil (gas) fields in China. The main equipment comprises a derrick, an operation platform, a diesel engine, a drilling rig, a drilling tool, a slurry pump, a generator, test equipment, a fuel oil tank, a boiler and the like. And the main problem that can meet in the current colliery well drilling work lies in being difficult to handle the ponding in ponding district in the pit, if the ponding district does not in time extract the ponding, influence mining process that can be very big, and along with the deepening of well drilling, underground coal ash volume can increase gradually, even the operator wears the mask gauze mask and still can exert an influence to breathing, consequently, it is very necessary to design automatic extraction ponding and utilize the ponding to handle the coal ash and extract a colliery with automatic pressure regulating's drilling pump protection system according to coal ash content adjustment extraction ponding power simultaneously according to the coal ash content.
Disclosure of Invention
The invention aims to provide a drilling pump protection system for coal mine, which can automatically adjust pressure, so as to solve the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a drilling pump protection system of automatic pressure regulating for coal mine, includes drilling platform, total control system, its characterized in that: the novel drilling platform is characterized in that a drilling pump is arranged inside the drilling platform, a pumping pipe is arranged below the drilling platform, a gauze is arranged inside one end, close to the drilling pump, of the pumping pipe, one end of the pumping pipe is sleeved with the drilling pump, the other end of the pumping pipe penetrates through the drilling platform and is located inside a drilling well, the pumping pipe is divided into an upper part and a lower part, and a universal joint is arranged between the pumping pipe and the two parts.
According to the technical scheme, a plurality of air holes are uniformly formed in the outer wall of the pumping pipe, a plurality of air plates are connected in the air holes in a sliding mode, the pumping pipe is divided into a plurality of parts, the adjacent parts are connected with the baffle in a sliding mode, and each part is internally provided with the atomizer.
According to the technical scheme, the master control system comprises a driving subsystem, a dust settling subsystem and an auxiliary subsystem;
the driving subsystem is used for supplying power to the drilling pump, the dust settling subsystem is used for removing dust from coal ash in the coal mine well, and the auxiliary subsystem is used for assisting the dust settling subsystem to work.
According to the technical scheme, the driving subsystem comprises a water pumping module, the dust settling subsystem comprises a camera module, and the auxiliary subsystem comprises a gas circulation module;
the water pumping module is used for controlling the drilling pump to pump out accumulated water in the underground coal mine through the drainage pipe, the photographing module is used for photographing the gauze, and the gas circulation module is used for circulating air in the underground coal mine.
According to the above technical solution, the water pumping module comprises a filtering submodule, the camera module comprises a calculating submodule, and the gas circulation module comprises an adjusting submodule;
the filtering submodule is used for filtering the extracted accumulated water containing ash in the underground coal mine by means of the gauze and intercepting the coal ash on the gauze.
According to the technical scheme, the filtering submodule comprises a collecting unit and a circulating unit, the calculating submodule comprises a component storing unit, an atomizing unit, an opening and closing unit and a pressurizing unit, and the adjusting submodule comprises a time adjusting unit and a power adjusting unit;
the collecting unit is used for collecting coal ash intercepted on a gauze, the circulating unit is used for storing filtered accumulated water for subsequent steps, the component storing unit is used for guiding the filtered accumulated water component into each pump drainage pipe, the atomizing unit is used for starting an atomizer to atomize water in each pump drainage pipe, the opening and closing unit is used for controlling opening and closing of an air plate, the pressurizing unit is used for discharging atomized water vapor through an air hole, the time adjusting unit is used for adjusting time for extracting the accumulated water in the coal mine at intervals, and the power adjusting unit is used for adjusting the extracting power of the drilling pump.
According to the technical scheme, the specific operation steps of the master control system are as follows:
s1: an operator drags the lower part of the drainage pipe to be arranged in the water accumulation area under the coal mine;
s2: the well drilling pump is started to pump accumulated water in the accumulated water area through the drainage pipe, and the interval time for pumping the accumulated water by starting the pump can be set by an operator;
s3: filtering and intercepting coal ash in the collected accumulated water by using a gauze, and storing the filtered accumulated water separately;
s4: photographing the filtered screen, and calculating the area ratio of the coal ash to the screen;
s5: dividing the collected filtered accumulated water into a plurality of parts, introducing the parts into a pumping and draining pipe, closing a baffle plate at the lowest part, closing a baffle plate above the baffle plate at the lowest part after the first part of the accumulated water is introduced, and repeating the steps to manually control the discharge amount so that the amount of the accumulated water at the lowest part is the largest and is reduced upwards in sequence;
s6: atomizing a plurality of portions of accumulated water through an atomizer;
s7: opening the air hole, discharging the atomized water vapor to the coal mine shaft wall, and adsorbing and bonding the coal ash floating in the coal mine shaft;
s8: and adjusting the time for pumping accumulated water at intervals and the power of the drilling pump according to the coal ash intercepted by the filter screen.
According to the above technical solution, the time interval for next water pumping in step S8 is calculated as follows:
in the formula, T is the time of next water extraction, T is the time interval of current water extraction, D is the diameter of the current coal mine, and SAccount forIs the area occupied by the coal ash in the screen, SGeneral assemblyThe total area of the gauze is H, the current coal mine well depth is obtained by the formula, the time interval for next water pumping is inversely proportional to the current coal mine well depth and is directly proportional to the area of the gauze occupied by the coal ash, namely if the current coal mine is deeper, the more the water is pumped in the water pumping area, the more the coal ash floats on the well wall along with the deepening of the well, the time interval for water pumping needs to be shortened, and the smooth operation of the well drilling is ensured.
According to the above technical solution, the adjusted pumping power of the drill pump in step S8 is calculated as follows:
in the formula, P is the adjusted pumping power of the current drilling pump, w is the working time of the current drilling pump, and P is1The method is characterized in that the current power of a drilling pump is H, the current depth of a coal mine well is H, T is the time for pumping accumulated water next time, d is the diameter of a pumping pipe and can be obtained by a current formula, the adjusted pumping power of the drilling pump is in inverse proportion to the adjusted pumping interval, namely the accumulated water storage time is faster, the lower the accumulated water pumping time interval is, the larger the power is needed to correspond to a plurality of accumulated water correspondingly, and the underground accumulated water is guaranteed to be pumped quickly.
Compared with the prior art, the invention has the following beneficial effects: the invention realizes the intermittent extraction of the accumulated water in the underground water accumulation area of the drilling well by arranging the drilling platform and the master control system, and carries out the adsorption treatment of the coal ash in the underground air according to the content of the coal ash in the extracted accumulated water, and the extraction power of the drilling pump and the time for extracting the accumulated water at intervals are adjusted in time along with the deep drilling well, thereby ensuring the smooth drilling work.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic block diagram of the present invention;
FIG. 2 is a perspective view of the evacuation tube of the present invention;
in the figure: 1. and (4) a pipe drawing and discharging.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides the following technical solutions: the utility model provides a drilling pump protection system of automatic pressure regulating for coal mine, includes drilling platform, total control system, its characterized in that: the inside of the drilling platform is provided with a drilling pump, a pumping pipe is arranged below the drilling platform, a gauze is arranged inside one end, close to the drilling pump, of the pumping pipe, one end of the pumping pipe is sleeved with the drilling pump, the other end of the pumping pipe penetrates through the drilling platform and is positioned inside a drilling well, the pumping pipe is divided into an upper part and a lower part, and a universal joint is arranged between the pumping pipes of the two parts;
a plurality of air holes are uniformly formed in the outer wall of the pumping pipe, air plates are connected in the air holes in a sliding manner, the pumping pipe is divided into a plurality of parts, a baffle is connected between every two adjacent pumping pipes in a sliding manner, and an atomizer is arranged in each part of the pumping pipe;
the master control system comprises a driving subsystem, a dust settling subsystem and an auxiliary subsystem;
the driving subsystem is used for supplying power to the drilling pump, the dust settling subsystem is used for removing dust from coal ash in the coal mine well, and the auxiliary subsystem is used for assisting the dust settling subsystem to work;
the driving subsystem comprises a water pumping module, the dust settling subsystem comprises a camera module, and the auxiliary subsystem comprises a gas circulation module;
the water pumping module is used for controlling the drilling pump to pump out accumulated water in the underground coal mine through the drainage pipe, the photographing module is used for photographing a gauze, and the gas circulation module is used for circulating air in the underground coal mine;
the water pumping module comprises a filtering submodule, the photographing module comprises a calculating submodule, and the gas circulation module comprises an adjusting submodule;
the filtering submodule is used for filtering the extracted accumulated water containing ash in the underground coal mine by means of the gauze and intercepting coal ash on the gauze;
the filtering submodule comprises a collecting unit and a circulating unit, the calculating submodule comprises a component storing unit, an atomizing unit, an opening and closing unit and a pressurizing unit, and the adjusting submodule comprises a time adjusting unit and a power adjusting unit;
the device comprises a collecting unit, a circulating unit, an opening and closing unit, a pressurizing unit, a time adjusting unit and a power adjusting unit, wherein the collecting unit is used for collecting coal ash intercepted on a gauze, the circulating unit is used for storing filtered accumulated water for later use, the component storing unit is used for guiding the component of the filtered accumulated water into each drainage pipe, the atomizing unit is used for starting an atomizer to atomize water in each drainage pipe, the opening and closing unit is used for controlling the opening and closing of an air plate, the pressurizing unit is used for discharging atomized water vapor through an air hole, the time adjusting unit is used for adjusting the time for extracting the accumulated water in a coal mine at intervals, and the power adjusting unit is used for adjusting the extraction power of a drilling pump;
the specific operation steps of the master control system are as follows:
s1: an operator drags the lower part of the drainage pipe to be arranged in the water accumulation area under the coal mine;
s2: the well drilling pump is started to pump accumulated water in the accumulated water area through the drainage pipe, and the interval time for pumping the accumulated water by starting the pump can be set by an operator;
s3: filtering and intercepting coal ash in the collected accumulated water by using a gauze, and storing the filtered accumulated water separately;
s4: photographing the filtered screen, and calculating the area ratio of the coal ash to the screen;
s5: dividing the collected filtered accumulated water into a plurality of parts, introducing the parts into a pumping and draining pipe, closing a baffle plate at the lowest part, closing a baffle plate above the baffle plate at the lowest part after the first part of the accumulated water is introduced, and repeating the steps to manually control the discharge amount so that the amount of the accumulated water at the lowest part is the largest and is reduced upwards in sequence;
s6: atomizing a plurality of portions of accumulated water through an atomizer;
s7: opening the air hole, discharging the atomized water vapor to the coal mine shaft wall, and adsorbing and bonding the coal ash floating in the coal mine shaft;
s8: according to the coal ash intercepted by the filter screen, adjusting the time for pumping accumulated water at intervals and the power of a drilling pump;
the time interval for the next extraction of accumulated water in step S8 is calculated as follows:
in the formula, T is the time of next water extraction, T is the time interval of current water extraction, D is the diameter of the current coal mine, and SAccount forIs the area occupied by the coal ash in the screen, SGeneral assemblyThe total area of the gauze is H, the current coal mine well depth is obtained by the formula, the time interval for next water pumping is inversely proportional to the current coal mine well depth and is proportional to the area of the gauze occupied by coal ash, namely if the current coal mine is deeper, the more the water is pumped in a water-pumping area, the more the coal ash floats on the well wall along with the deepening of the well, the time interval for water pumping needs to be shortened, and the smooth operation of the well drilling is ensured;
the adjusted pumping power of the borehole pump in step S8 is calculated as follows:
in the formula, P is the adjusted pumping power of the current drilling pump, w is the working time of the current drilling pump, and P is1The method is characterized in that the current power of a drilling pump is H, the current depth of a coal mine well is H, T is the time for pumping accumulated water next time, d is the diameter of a pumping pipe and can be obtained by a current formula, the adjusted pumping power of the drilling pump is in inverse proportion to the adjusted pumping interval, namely the accumulated water storage time is faster, the lower the accumulated water pumping time interval is, the larger the power is needed to correspond to a plurality of accumulated water correspondingly, and the underground accumulated water is guaranteed to be pumped quickly.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a drilling pump protection system of automatic pressure regulating for coal mine, includes drilling platform, total control system, its characterized in that: the drilling platform is characterized in that a drilling pump is arranged inside the drilling platform, a pumping pipe (1) is arranged below the drilling platform, a gauze is arranged inside one end, close to the drilling pump, of the pumping pipe (1), one end of the pumping pipe (1) is sleeved with the drilling pump, the other end of the pumping pipe (1) penetrates through the drilling platform and is located inside a drilling well, the pumping pipe (1) is divided into an upper part and a lower part, and a universal joint is arranged between the pumping pipe (1) of the two parts.
2. The automatic pressure regulating drilling pump protection system for the coal mine according to claim 1, wherein: evenly seted up a plurality of gas pockets on the outer wall of row's of taking out pipe (1), it is a plurality of sliding connection has the gas board in the gas pocket, it divide into a plurality of parts to take out row pipe (1), and is adjacent sliding connection has the baffle between row's of taking out pipe (1), each part all be provided with the atomizer in row's of taking out pipe (1).
3. The automatic pressure regulating drilling pump protection system for the coal mine according to claim 2, wherein: the master control system comprises a driving subsystem, a dust settling subsystem and an auxiliary subsystem;
the driving subsystem is used for supplying power to the drilling pump, the dust settling subsystem is used for removing dust from coal ash in the coal mine well, and the auxiliary subsystem is used for assisting the dust settling subsystem to work.
4. The automatic pressure regulating drilling pump protection system for the coal mine according to claim 3, wherein: the driving subsystem comprises a water pumping module, the dust settling subsystem comprises a camera module, and the auxiliary subsystem comprises a gas circulation module;
the water pumping module is used for controlling the drilling pump to pump out accumulated water in the underground coal mine through the pumping and discharging pipe (1), the photographing module is used for photographing a gauze, and the gas circulation module is used for circulating air in the underground coal mine.
5. The automatic pressure regulating drilling pump protection system for the coal mine according to claim 4, wherein: the water pumping module comprises a filtering sub-module, the camera module comprises a calculating sub-module, and the gas circulation module comprises a regulating sub-module;
the filtering submodule is used for filtering the extracted accumulated water containing ash in the underground coal mine by means of the gauze and intercepting the coal ash on the gauze.
6. The automatic pressure regulating drilling pump protection system for the coal mine according to claim 5, wherein: the filtering submodule comprises a collecting unit and a circulating unit, the calculating submodule comprises a component storing unit, an atomizing unit, an opening and closing unit and a pressurizing unit, and the adjusting submodule comprises a time adjusting unit and a power adjusting unit;
the collecting unit is used for collecting coal ash intercepted on a gauze, the circulating unit is used for storing filtered accumulated water for subsequent steps, the component storing unit is used for guiding the filtered accumulated water component into each drainage pipe (1), the atomizing unit is used for starting an atomizer to atomize water in each drainage pipe (1), the opening and closing unit is used for controlling the opening and closing of an air plate, the pressurizing unit is used for discharging atomized water vapor through an air hole, the time adjusting unit is used for adjusting time for extracting accumulated water in a coal mine at intervals, and the power adjusting unit is used for adjusting the extracting power of a drilling pump.
7. The system for protecting the automatic pressure regulating drilling pump for the coal mine according to claim 6, wherein: the specific operation steps of the master control system are as follows:
s1: an operator drags the lower part of the pumping and discharging pipe (1) to be placed in the ponding area under the coal mine;
s2: the well drilling pump is started to pump accumulated water in the accumulated water area through the pumping and discharging pipe (1), and the interval time for pumping the accumulated water by starting the pump can be set by an operator;
s3: filtering and intercepting coal ash in the collected accumulated water by using a gauze, and storing the filtered accumulated water separately;
s4: photographing the filtered screen, and calculating the area ratio of the coal ash to the screen;
s5: dividing the collected filtered accumulated water into a plurality of parts, guiding the collected filtered accumulated water into the drainage pipe (1), closing a baffle plate at the lowest part, closing a baffle plate above the baffle plate at the lowest part after the first part of the accumulated water is guided, and repeating the steps to control the discharge amount manually, so that the accumulated water at the lowest part is the largest and is reduced upwards in sequence;
s6: atomizing a plurality of portions of accumulated water through an atomizer;
s7: opening the air hole, discharging the atomized water vapor to the coal mine shaft wall, and adsorbing and bonding the coal ash floating in the coal mine shaft;
s8: and adjusting the time for pumping accumulated water at intervals and the power of the drilling pump according to the coal ash intercepted by the filter screen.
8. The system for protecting the automatic pressure regulating drilling pump for the coal mine according to claim 7, wherein: the time interval for next water extraction in step S8 is calculated as follows:
in the formula, T is the time of next water extraction, T is the time interval of current water extraction, D is the diameter of the current coal mine, and SAccount forIs the area occupied by the coal ash in the screen, SGeneral assemblyThe total area of the gauze is H, the current coal mine well depth is obtained by the formula, and the time interval of next accumulated water extraction is inversely proportional to the current coal mine well depth and is equal to the gauze occupied by the coal ashThe area is in direct proportion, if the current coal mine is deeper, then ponding in ponding area is more, and along with the well drilling is deep, the coal ash that the wall of a well floated is also more, need reduce the time interval of extraction ponding, guarantees that well drilling work goes on smoothly.
9. The system for protecting the automatic pressure regulating drilling pump for the coal mine according to claim 8, wherein: the adjusted pumping power of the borehole pump in step S8 is calculated as follows:
in the formula, P is the adjusted pumping power of the current drilling pump, w is the working time of the current drilling pump, and P is1The current drilling pump power is H, the current coal mine well depth is H, T is the time for pumping accumulated water next time, d is the diameter of the pumping and discharging pipe (1), the current formula can obtain the adjusted pumping power of the drilling pump and the adjusted pumping interval are in inverse proportion, namely the accumulated water storage time is faster, the accumulated water pumping time interval is lower, relatively more power is needed to correspond to a plurality of accumulated water, and the underground accumulated water is guaranteed to be pumped quickly.
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| CN202111332214.5A CN114109497A (en) | 2021-11-11 | 2021-11-11 | Automatic pressure regulating drilling pump protection system for coal mine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111332214.5A CN114109497A (en) | 2021-11-11 | 2021-11-11 | Automatic pressure regulating drilling pump protection system for coal mine |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1090893A1 (en) * | 1981-12-18 | 1984-05-07 | Новосибирский филиал Всесоюзного научно-исследовательского института транспортного строительства | Drainage arrangement |
| CN111485944A (en) * | 2020-05-27 | 2020-08-04 | 河南工程学院 | Pumping and draining device |
| CN211202049U (en) * | 2019-09-25 | 2020-08-07 | 郭璐璐 | Drainage device in coal mine goaf |
| CN212716744U (en) * | 2020-06-18 | 2021-03-16 | 汪秋香 | Drainage device in coal mine goaf |
| CN212898613U (en) * | 2020-04-28 | 2021-04-06 | 许保飞 | Remote control pumping and drainage device for coal mine excavation working face |
-
2021
- 2021-11-11 CN CN202111332214.5A patent/CN114109497A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1090893A1 (en) * | 1981-12-18 | 1984-05-07 | Новосибирский филиал Всесоюзного научно-исследовательского института транспортного строительства | Drainage arrangement |
| CN211202049U (en) * | 2019-09-25 | 2020-08-07 | 郭璐璐 | Drainage device in coal mine goaf |
| CN212898613U (en) * | 2020-04-28 | 2021-04-06 | 许保飞 | Remote control pumping and drainage device for coal mine excavation working face |
| CN111485944A (en) * | 2020-05-27 | 2020-08-04 | 河南工程学院 | Pumping and draining device |
| CN212716744U (en) * | 2020-06-18 | 2021-03-16 | 汪秋香 | Drainage device in coal mine goaf |
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