CN217231997U - Intelligent sump silt prevention system - Google Patents
Intelligent sump silt prevention system Download PDFInfo
- Publication number
- CN217231997U CN217231997U CN202220305206.5U CN202220305206U CN217231997U CN 217231997 U CN217231997 U CN 217231997U CN 202220305206 U CN202220305206 U CN 202220305206U CN 217231997 U CN217231997 U CN 217231997U
- Authority
- CN
- China
- Prior art keywords
- vacuum
- liquid level
- water
- sump
- control system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000002265 prevention Effects 0.000 title claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 152
- 239000007788 liquid Substances 0.000 claims abstract description 124
- 238000003860 storage Methods 0.000 claims abstract description 55
- 238000007667 floating Methods 0.000 claims abstract description 7
- 238000011010 flushing procedure Methods 0.000 claims description 54
- 238000005192 partition Methods 0.000 claims description 14
- 238000004140 cleaning Methods 0.000 description 9
- 238000005086 pumping Methods 0.000 description 8
- 238000007789 sealing Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 238000012544 monitoring process Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 101100204059 Caenorhabditis elegans trap-2 gene Proteins 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
Landscapes
- Jet Pumps And Other Pumps (AREA)
Abstract
The utility model discloses an intelligence sump silt prevention system, include: the vacuum equipment chamber is internally provided with a vacuumizing device, a vacuum pipeline and a control system, and one end of the vacuum pipeline is connected with the vacuumizing device; the end, far away from the vacuumizing device, of the vacuum pipeline is connected with the water storage chamber, and a vacuum diaphragm valve and a floating ball liquid level switch are arranged at the top of the water storage chamber; the device comprises at least two water bins, wherein an ejector and a liquid level transmitter are arranged in the water bins, and the liquid level transmitter is used for measuring the liquid level height in the water bins; the trap was vacuum flushed. The utility model provides an intelligence sump silt prevention system has simple structure, low in cost, equipment fault rate is low, the security of system is high, advantage that stability is high.
Description
Technical Field
The utility model relates to a drainage technology field especially relates to an intelligence sump silt prevention system in pit.
Background
The underground water sump of the mine is an indispensable part in a drainage system of the mine and is a roadway lower than each mining level of the mine. Along with the increase of the mining depth of mine, the volume of gushing water increases, gushes water in a large number and carries solid particle entering sump, and the mine gushes water in solid pollutant content is very high, and the mine gushes water and discharges to the sump through the escape canal, and the solid pollutant in aquatic deposits, piles up in the sump, influences the capacity in sump, and then influences borehole operation safety.
The sludge in the water sump needs to be cleaned regularly in production. At present, the cleaning of the underground water sump of the mine generally adopts periodic dredging, and the time interval is one year if long and is monthly if short. Traditional sump desilting is usually manual desilting, adopts instruments such as spade, ladle, handcart promptly to shovel silt from the sump bottom and load into the vehicle after transportation promote to ground. The underground water sump has bad environment and narrow space, and is often changed into fluid or semi-fluid after being stirred due to high water content of sludge, so that the conventional shovel and bucket scraping and cleaning manner has high labor intensity and low cleaning efficiency. And the section of the water sump is limited, and a plurality of people cannot be arranged to work simultaneously, so the working efficiency is low, the labor intensity is high, and the period of cleaning the sump is long.
In recent years, people continuously make technical innovation and scientific research and development, make great progress, research, develop and manufacture various methods and tools for mechanically cleaning and digging a water sump, improve the cleaning speed, but the methods and tools still adopt a mode of firstly depositing and then cleaning, and have the problem of high failure rate in practical application. The technical problem of cleaning the underground water sump of the mine is not fundamentally solved so far, and is still a significant restriction factor which puzzles the safe production of the mine.
SUMMERY OF THE UTILITY MODEL
To the technical problem that the mine sump clearance operating efficiency is low, the storehouse cleaning cycle length that exists in the above-mentioned technique, the utility model provides an intelligence sump silt prevention system. The utility model provides an intelligence sump silt prevention system simple structure, low in cost, equipment fault rate are low, system security, stability are high.
The utility model provides an intelligence sump silt prevention system, include:
the vacuum equipment chamber is internally provided with a vacuumizing device, a vacuum pipeline and a control system, and one end of the vacuum pipeline is connected with the vacuumizing device;
the end, far away from the vacuumizing device, of the vacuum pipeline is connected with the water storage chamber, and a vacuum diaphragm valve and a floating ball liquid level switch are arranged at the top of the water storage chamber;
the device comprises at least two water bins, wherein an ejector and a liquid level transmitter are arranged in the water bins, and the liquid level transmitter is used for measuring the liquid level height in the water bins;
the trap was vacuum flushed.
In some embodiments, a water storage chamber partition wall is arranged between the water bin and the water storage chamber, a water sealing slope is arranged at the bottom of the water storage chamber partition wall, and the water storage chamber partition wall and the water sealing slope form the vacuum flushing trap.
In some embodiments, the control system comprises a vacuum flush control system and an ejector flush control system.
In some embodiments, the liquid level transmitter is electrically connected to both the vacuum flush control system and the ejector flush control system.
In some embodiments, the vacuum pumping device, the vacuum diaphragm valve and the float level switch are all electrically connected with the vacuum flushing control system, and the ejector is electrically connected with the ejector flushing control system.
In some embodiments, the bottom of the sump is downhill towards the suction well.
In some embodiments, the evacuation device is a vacuum pump and the level transmitter is an ultrasonic level meter or a radar level meter.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model provides an intelligence sump silt prevention system washes through the vacuum and washes and the efflux has reduced the possibility of solid contaminant siltation in the sump, has prolonged the clear storehouse cycle, and intelligent control system has reduced intensity of labour, has improved the security of operation.
The utility model provides an intelligence sump silt-proof system has simple structure, low in cost, equipment fault rate low, the system security is high, advantage that stability is high.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic plan view of an intelligent sump silt prevention system provided by the present invention;
fig. 2 is a schematic cross-sectional view of the intelligent sump silt prevention system provided by the present invention;
FIG. 3 is a flow chart of the vacuum flushing silt prevention provided by the present invention;
fig. 4 is the flow chart of jet flushing silt prevention provided by the utility model.
Description of reference numerals:
the vacuum equipment chamber 1, a vacuumizing device 101, a vacuum pipeline 102 and a control system 103;
a water storage chamber 2, a vacuum diaphragm valve 201 and a floating ball liquid level switch 202;
the trap 3, the water storage chamber partition wall 301 and the water seal slope 302 are washed in vacuum;
a water sump 4, an ejector 401 and a liquid level transmitter 402.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
The intelligent sump silt-preventing system provided according to the embodiment of the utility model is described below with reference to the attached drawings.
As shown in fig. 1-4, the utility model discloses an intelligence sump silt prevention system, include: the vacuum equipment chamber 1, the water storage chamber 2, the water bin 4 and the vacuum flushing trap 3.
In some embodiments, a vacuum equipment chamber 1 houses a vacuum 101, a vacuum line 102, and a control system 103.
In some embodiments, the evacuation device 101 may be a vacuum pump, but is not limited to a vacuum pump.
In some embodiments, the control system 103 controls the opening and closing of the evacuation device 101. The lower computer of the control system 103 is a PLC, and the upper computer is a PC. It can be understood that the control system 103, in addition to controlling the devices of the anti-silting system of the present invention, is also connected to the hydrological monitoring system, the downhole drainage system, and the water treatment system for cooperative control.
In some embodiments, the control system 103 includes a vacuum flush control system and an ejector flush control system. It is understood that the vacuum flush control system is used to interface with and control devices associated with the vacuum flush operation and the jet flush control system is used to interface with and control devices associated with the jet flush operation.
In some embodiments, the liquid level transmitter 402 is electrically connected to both the vacuum flushing control system and the jet flushing control system, the vacuum pump 101, the vacuum diaphragm valve 201, and the float level switch 202 are electrically connected to the vacuum flushing control system, and the jet 401 is electrically connected to the jet flushing control system. The float ball liquid level switch 202 is electrically connected with the vacuum flushing control system to control the vacuum pumping device 101 to be closed; the liquid level transmitter 402 is electrically connected with the vacuum flushing control system to control the starting of the vacuumizing device 101 and the starting and the stopping of the vacuum diaphragm valve 201; the liquid level transmitter 402 controls the on and off of the ejector 401 through electrical connection with the ejector flushing control system.
In some embodiments, one end of vacuum pipe 102 is connected to vacuum pumping device 101, and one end of vacuum pipe 102 far from vacuum pumping device 101 is connected to water storage chamber 2, i.e. vacuum pumping device 101 is connected to water storage chamber 2 through vacuum pipe 102. It will be appreciated that when the vacuum 101 is turned on, a vacuum region is formed at the top of the water trap 2 and water flows through the vacuum flush trap 3 into the water trap 2 to complete the water storage.
The top of the water storage chamber 2 is provided with a vacuum diaphragm valve 201 and a floating ball liquid level switch 202. In addition, vacuum line 102 is also connected to the top of water reservoir 2, so that when vacuum pumping device 101 is turned on, the top of water reservoir 2 forms a vacuum area. The opening and closing of the vacuum diaphragm valve 201 are controlled by the control system 103, and the closing of the vacuum-pumping device 101 is controlled by the float level switch 202 through the connection with the control system 103. The water storage chamber 2 is used for storing water for vacuum flushing operation.
Specifically, the vacuum diaphragm valve 201 and the float level switch 202 are both electrically connected to the vacuum flushing control system, and the float level switch 202 is electrically connected to the vacuum flushing control system to control the vacuum pumping device 101 to be closed. The liquid level transmitter 402 is electrically connected with the vacuum flushing control system to control the opening and closing of the vacuum diaphragm valve 201, and it can be understood that when the liquid level of the water sump 4 reaches the vacuum flushing liquid level, the liquid level transmitter 402 transmits liquid level data to the vacuum flushing control system, and the vacuum flushing control system controls the vacuum diaphragm valve 201 to be opened to perform vacuum flushing operation on the water sump 4.
In some embodiments, at least two water silos 4 are provided. An ejector 401 and a liquid level transmitter 402 are arranged in the water sump 4, and the liquid level transmitter 402 is used for measuring the liquid level in the water sump 4 in real time. The sump 4 is connected with the water suction well of the drainage pump house, and when the sump 4 is washed, sewage flows to the water suction well from the sump 4. The bottom of the water sump 4 is a downhill slope towards the suction well, and the design enables the flushing effect of the water sump 4 to be better.
The ejector 401 is a gas-liquid two-phase jet flow, and has a mixing stirring mode, a remote jet flow flushing mode and a bottom flushing mode, and when the ejector 401 carries out flushing operation, a proper working mode is selected according to different liquid levels. When the ejector 401 performs the flushing operation, the liquid phase flow can directly adopt the water in the water sump 4. The working mode and working principle of the gas-liquid two-phase ejector are not described in detail herein.
In some embodiments, the level transmitter 402 is an ultrasonic level meter or a radar level meter. It will be appreciated that the level transmitter 402 may also be other suitable level gauges, as long as the level of the liquid in the sump 4 can be monitored in real time.
The liquid level transmitter 402 controls the on and off of the ejector 401 through electrical connection with the ejector flushing control system. It is understood that the liquid level transmitter 402 transmits the liquid level data to the ejector flushing control system, which controls the opening and closing of the ejector 401 according to the liquid level data.
In some embodiments, the vacuum flush trap 3 is formed by a water trap partition 301 in combination with a water seal ramp 302. When the liquid level in the water bin 4 drops to the top end of the water sealing slope 302, water sealing is formed, and the liquid level in the water storage chamber 2 does not drop any more. A water storage chamber partition wall 301 is arranged between the water sump 4 and the water storage chamber 2, and a water seal slope 302 is arranged at the bottom of the water storage chamber partition wall 301. In some embodiments, the storage compartment partition 301 is a reinforced concrete partition, the water seal slope 302 is a concrete water seal slope, and the storage compartment partition 301 and the water seal slope 302 together form the vacuum flushing trapway 3.
In some embodiments, the vacuum flush and the jet flush may be performed in a co-flushing operation or in a separate flushing operation.
During the cooperative flushing operation, the silt prevention method of the intelligent sump silt prevention system comprises the following steps:
when the water sump 4 is filled with water, the liquid level transmitter 402 starts to perform continuous liquid level monitoring;
when the liquid level of the water bin 4 rises to a vacuum water storage liquid level, the vacuumizing device 101 is started, wherein the vacuum water storage liquid level is preferably 0.2-0.3m higher than the water seal slope, and the water storage liquid level is set to ensure that residual water exists in the water bin 4 when the water storage chamber 2 finishes water storage;
when the floating ball liquid level switch 202 detects that the liquid level of the water storage chamber 2 reaches a set liquid level, the vacuumizing device 101 is turned off, and at the moment, the water storage of the water storage chamber 2 is finished, wherein the set liquid level is the water storage liquid level of the water storage chamber 2, and the liquid level is close to the top of the water storage chamber 2, so that the water storage chamber 2 has enough water storage to finish the subsequent vacuum flushing operation;
when the liquid level of the water sump 4 rises to the pump starting liquid level, a pump starting signal is sent to the underground drainage system, and it can be understood that the water sump 4 is connected with a drainage pump water suction well of the underground drainage system, and the pump starting liquid level is set by the underground drainage system;
when the liquid level of the water sump 4 is lowered to a high liquid level, the ejector 401 operates in a mixing and stirring mode, wherein the high liquid level is preferably 2-3 m;
when the liquid level of the water sump 4 drops to a low liquid level, the ejector 401 operates in a remote jet flushing mode, wherein the low liquid level is preferably 0.3-1 m;
when the liquid level of the water sump 4 drops to the top of the water seal slope, the partition wall 301 of the water storage chamber and the water seal slope 302 form a water seal;
when the liquid level of the water bin 4 is reduced to the vacuum flushing liquid level, the vacuum diaphragm valve 201 is opened, and the water bin 4 is flushed, wherein the vacuum flushing liquid level is a liquid level lower than the height of the water sealing slope 302;
when the liquid level of the water sump 4 drops to an ultra-low liquid level, the ejector 401 operates in a bottom flushing mode, it being understood that the ultra-low liquid level is determined by the lowest liquid level at which the ejector 401 can operate, preferably, the ultra-low liquid level is a liquid level 0.1-0.2m higher than the lowest liquid level at which the ejector 401 can operate, and in addition, the vacuum flushing liquid level and the ultra-low liquid level may be the same liquid level;
when the liquid level of the water sump 4 is reduced to a pump stopping liquid level, a pump stopping signal is sent to the underground drainage system, and meanwhile, the vacuum diaphragm valve 201 and the jet device 401 are closed, wherein the pump stopping liquid level is set by the underground drainage system;
and the steps are repeated to finish the flushing of the plurality of water bins 4.
Wherein, each liquid level that each step relates to all can adjust according to actual conditions.
When vacuum flushing is used for independent flushing operation, the flow chart is shown in fig. 3, and the method comprises the following steps:
when the water sump 4 is filled with water, the liquid level transmitter 402 starts to perform continuous liquid level monitoring;
when the liquid level of the water bin 4 rises to the vacuum water storage liquid level, the vacuumizing device 101 is started, the vacuumizing device 101 is a vacuum pump, wherein the vacuum water storage liquid level is preferably 0.2-0.3m higher than the water sealing slope, and the water storage liquid level is set to ensure that residual water exists in the water bin 4 when the water storage chamber 2 finishes water storage;
when the floating ball liquid level switch 202 detects that the liquid level of the water storage chamber 2 reaches a set liquid level, the vacuumizing device 101 is turned off, and at the moment, the water storage of the water storage chamber 2 is finished, wherein the set liquid level is the water storage liquid level of the water storage chamber 2, and the liquid level is close to the top of the water storage chamber 2, so that the water storage chamber 2 has enough water storage to finish the subsequent vacuum flushing operation;
when the liquid level of the water sump 4 rises to the pump starting liquid level, a pump starting signal is sent to the underground drainage system, and it can be understood that the water sump 4 is connected with a drainage pump water suction well of the underground drainage system, and the pump starting liquid level is set by the underground drainage system;
when the liquid level of the water bin 4 is reduced to the vacuum flushing liquid level, the vacuum diaphragm valve 201 is opened, and the water bin 4 is flushed, wherein the vacuum flushing liquid level is a liquid level lower than the height of the water sealing slope 302;
when the liquid level of the water sump 4 is lowered to the pump stop liquid level, a pump stop signal is sent to the underground drainage system, and meanwhile, the vacuum diaphragm valve 201 is closed, wherein the pump stop liquid level is set by the underground drainage system.
Wherein, each liquid level that each step relates to all can adjust according to actual conditions.
When jet flushing is adopted for independent flushing operation, the flow chart is shown in fig. 4, and the method comprises the following steps:
when the water sump 4 is filled with water, the liquid level transmitter 402 starts to perform continuous liquid level monitoring;
when the liquid level of the water sump 4 rises to the pump starting liquid level, a pump starting signal is sent to the underground drainage system, and it can be understood that the water sump 4 is connected with a drainage pump water suction well of the underground drainage system, and the pump starting liquid level is set by the underground drainage system;
when the liquid level of the water sump 4 is lowered to a high liquid level, the ejector 401 operates in a mixing and stirring mode, wherein the high liquid level is preferably 2-3 m;
when the liquid level of the water sump 4 drops to a low liquid level, the ejector 401 operates in a remote jet flushing mode, wherein the low liquid level is preferably 0.3-1 m;
when the liquid level of the sump 4 drops to an ultra-low liquid level, the ejector 401 operates in a bottom flushing mode, it being understood that the ultra-low liquid level is determined by the lowest liquid level at which the ejector 401 can operate, preferably the ultra-low liquid level is a liquid level 0.1-0.2m higher than the lowest liquid level at which the ejector 401 can operate;
when the liquid level of the water sump 4 is lowered to the pump stopping liquid level, a pump stopping signal is sent to the underground drainage system, and meanwhile, the ejector 401 is closed, wherein the pump stopping liquid level is set by the underground drainage system.
Wherein, each liquid level that each step involves all can adjust according to actual conditions.
In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms may be directed to different embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless explicitly defined otherwise.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (7)
1. The utility model provides an intelligence sump silt prevention system which characterized in that includes:
the device comprises a vacuum equipment chamber, a vacuum pipeline and a control system, wherein the vacuum equipment chamber is internally provided with a vacuumizing device, a vacuum pipeline and the control system, the control system comprises a vacuum flushing control system and an ejector flushing control system, and one end of the vacuum pipeline is connected with the vacuumizing device;
the end, far away from the vacuumizing device, of the vacuum pipeline is connected with the water storage chamber, and a vacuum diaphragm valve and a floating ball liquid level switch are arranged at the top of the water storage chamber;
the device comprises at least two water bins, wherein an ejector and a liquid level transmitter are arranged in each water bin, and the liquid level transmitter is used for measuring the liquid level height in each water bin.
2. The intelligent sump siltation prevention system according to claim 1, further comprising a vacuum flushing trap, wherein a water storage chamber partition wall is arranged between the sump and the water storage chamber, a water seal slope is arranged at the bottom of the water storage chamber partition wall, and the vacuum flushing trap is formed by the water storage chamber partition wall and the water seal slope.
3. The intelligent sump silt prevention system of claim 1 wherein said liquid level transmitter is electrically connected to both said vacuum flush control system and said ejector flush control system.
4. The intelligent sump silt prevention system of claim 1, wherein the vacuum extractor, the vacuum diaphragm valve, and the float level switch are all electrically connected to the vacuum flushing control system, and the ejector is electrically connected to the ejector flushing control system.
5. The intelligent sump anti-silting system of claim 1, wherein the sump bottom is downhill in a direction towards the suction well.
6. The intelligent sump silt prevention system of claim 1, wherein said evacuating device is a vacuum pump.
7. The intelligent sump silt prevention system of claim 1, wherein the level transmitter is an ultrasonic level meter or a radar level meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220305206.5U CN217231997U (en) | 2022-02-15 | 2022-02-15 | Intelligent sump silt prevention system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220305206.5U CN217231997U (en) | 2022-02-15 | 2022-02-15 | Intelligent sump silt prevention system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217231997U true CN217231997U (en) | 2022-08-19 |
Family
ID=82833143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220305206.5U Active CN217231997U (en) | 2022-02-15 | 2022-02-15 | Intelligent sump silt prevention system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217231997U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023155709A1 (en) * | 2022-02-15 | 2023-08-24 | 中煤科工开采研究院有限公司 | Intelligent sump sludge prevention system and sludge prevention method therefor |
-
2022
- 2022-02-15 CN CN202220305206.5U patent/CN217231997U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023155709A1 (en) * | 2022-02-15 | 2023-08-24 | 中煤科工开采研究院有限公司 | Intelligent sump sludge prevention system and sludge prevention method therefor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104711994A (en) | Foundation pit deep well rainfall and plugging construction method | |
| CN109056761A (en) | Channel cleanout method | |
| CN109736338A (en) | A kind of hydraulic engineering foundation pit pipe well combination light well point Yield rainfall relation method | |
| CN104929143A (en) | Well sealing method of dewatering well at bottom of foundation pit | |
| CN217231997U (en) | Intelligent sump silt prevention system | |
| CN216475132U (en) | Quick dewatering system of foundation ditch | |
| CN217231998U (en) | Intelligent sump silt prevention system | |
| CN206368379U (en) | A kind of systems stabilisation of buried pond anti-floating | |
| WO2023155709A1 (en) | Intelligent sump sludge prevention system and sludge prevention method therefor | |
| CN105155519A (en) | Rotary-excavating under-reamed bored pile constructing method | |
| CN106930397B (en) | A kind of biological delaying basin that initial rainwater can be persistently handled within the dry spell | |
| CN114606964B (en) | Foundation pit dewatering method used under complex geological conditions | |
| CN210637109U (en) | Underground mine underground temporary drainage structure | |
| CN216275687U (en) | Dredging device for cast-in-situ bored pile | |
| CN108867673A (en) | A kind of underwater prevention method in the foundation pit based on the curtain that draws water | |
| CN207121916U (en) | Shut-in well structure | |
| CN108798775A (en) | A kind of jacking construction active well | |
| CN210341957U (en) | Precipitation structure suitable for caisson | |
| CN205012325U (en) | Prefabricated precipitation tubular pile in building foundation | |
| CN103556641A (en) | Grooving assisting method for in-pit underground diaphragm wall of existing basement | |
| CN214363573U (en) | Dewatering device with submersible pump reserved in dredging well during raft foundation construction | |
| CN206956917U (en) | A kind of automatically cleaning pumping plant base for collecting sludge certainly | |
| CN214940310U (en) | Water pressure induction type sump pit automatic alarm drainage system | |
| CN204435321U (en) | A kind of steam power station water intaking open channel | |
| CN109707445B (en) | Dredgeable tunnel drainage system and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |