CN110242312A - A kind of Anti-blocking structure, a kind of shield machine blowdown anti-block apparatus and its application - Google Patents
A kind of Anti-blocking structure, a kind of shield machine blowdown anti-block apparatus and its application Download PDFInfo
- Publication number
- CN110242312A CN110242312A CN201910645950.2A CN201910645950A CN110242312A CN 110242312 A CN110242312 A CN 110242312A CN 201910645950 A CN201910645950 A CN 201910645950A CN 110242312 A CN110242312 A CN 110242312A
- Authority
- CN
- China
- Prior art keywords
- slave computer
- blocking structure
- sewage
- booster pump
- shield machine
- 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.)
- Pending
Links
- 239000010865 sewage Substances 0.000 claims abstract description 65
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 43
- 239000002351 wastewater Substances 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims 1
- 230000002708 enhancing effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 238000011010 flushing procedure Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
- F04F5/02—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being liquid
- F04F5/10—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being liquid displacing liquids, e.g. containing solids, or liquids and elastic fluids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
- F04F5/44—Component parts, details, or accessories not provided for in, or of interest apart from, groups F04F5/02 - F04F5/42
- F04F5/48—Control
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Control Of Non-Positive-Displacement Pumps (AREA)
Abstract
A kind of Anti-blocking structure, a kind of shield machine blowdown anti-block apparatus and its application, blowdown anti-block apparatus include Anti-blocking structure, clear water source, booster pump, solenoid valve, sewage pipe, slave computer and host computer；The Anti-blocking structure has wastewater inlet and high pressure water interface, is connected with a sewage pipe on the wastewater inlet；The clear water source, booster pump, solenoid valve, Anti-blocking structure high pressure water interface be sequentially connected, the Anti-blocking structure is connected to sewage pipe；The slave computer is connected with booster pump, host computer respectively；A kind of Anti-blocking structure, the Anti-blocking structure include the three-way connection, jet pipe and flange set gradually from front to back, and the three-way connection has wastewater inlet and high pressure water interface, and the high pressure water interface and jet pipe are in " one " word arrangement；The internal diameter of the high pressure water interface is gradually reduced from front to back；The present invention has the mobility and deslagging ability of enhancing sewage, can solve blow-off line in current work progress and easily block the problem of causing dredge pump to damage.
Description
Technical field
The present invention relates to shield machine accessory, in particular to a kind of Anti-blocking structure and a kind of shield machine blowdown anti-block apparatus
And its application.
Background technique
Special equipment of the shield machine as metro construction, is used by more and more units in charge of construction, is constructing
Generally suffer from a problem that it is blowdown problem in journey, especially in aquifer water-bearing stratum, also to face the risk of water burst, therefore in time
Blowdown is critically important.The waste removal equipment that routine shield machine is equipped at present is as shown in Figure 1, only include a pneumatic dredge pump 1 ' and a non-return
Valve 2 ', since sediment content is more in sewage, and sewage running piping is longer, often will cause line clogging or blowdown is unsmooth,
It causes dredge pump pressure anomaly and damages.
Summary of the invention
The present invention is directed to solve one of the technical problem in above-mentioned technology at least to a certain extent.For this purpose, of the invention
One purpose is to propose a kind of shield machine blowdown anti-block apparatus.
Second object of the present invention is to propose a kind of Anti-blocking structure.
Third object of the present invention is to propose a kind of application of shield machine blowdown anti-block apparatus.
In order to achieve the above objectives, first aspect present invention embodiment proposes a kind of shield machine blowdown anti-block apparatus, including
Anti-blocking structure, clear water source, booster pump, solenoid valve, sewage pipe, slave computer and host computer；The Anti-blocking structure has wastewater inlet
With high pressure water interface, a sewage pipe is connected on the wastewater inlet；
The clear water source, booster pump, solenoid valve, Anti-blocking structure high pressure water interface be sequentially connected, the Anti-blocking structure is connected to
Sewage pipe；The slave computer is connect with booster pump, solenoid valve respectively, for controlling unlatching/closing of booster pump and solenoid valve；Institute
It states host computer to be connected with slave computer, which receives the signal that slave computer is fed back, and issues alarm or/and issues slave computer
Control instruction.
Based on above-mentioned design, the present invention has the function of flushing, pressurization and speedup, can enhance the mobility and deslagging energy of sewage
Power, solving the problems, such as in existing work progress that blow-off line easily blocks causes dredge pump to damage.
In addition, a kind of shield machine blowdown anti-block apparatus proposed according to that above embodiment of the present invention, can also have as follows
Additional technical characteristic:
It further include a flow sensor, the flow sensor is set on sewage pipe, and the flow sensor is connect with slave computer,
Slave computer receives the flow signal of flow sensor and is reported to host computer, and the host computer issues alarm or/and to slave computer
Issue control instruction.Flow sensor is used to detect the flow of sewage in sewage pipe.
It further include a pressure sensor, the pressure sensor is set between booster pump and solenoid valve, and the pressure sensing
Device is connect with slave computer, and slave computer receives the pressure signal of pressure sensor and is reported to host computer, and the host computer issues report
It warns or/and control instruction is issued to slave computer.Pressure sensor is for detecting jet pressure.
It further include gas source, control ball valve, pneumatic dredge pump, check-valves and sewage；The gas source, control ball valve, pneumatic row
Dirt pump and the sewage pipe are sequentially connected, and the check-valves is set on sewage pipe；The pneumatic dredge pump is connected with sewage, described
Control ball valve and pneumatic dredge pump are connect with slave computer respectively, unlatching/pass of slave computer control control ball valve and pneumatic dredge pump
It closes.Check-valves is for preventing sewage from flowing backwards when pipeline blockage to protect pneumatic dredge pump.
In order to achieve the above objectives, second aspect of the present invention embodiment proposes Anti-blocking structure described in one kind, including in the past
Three-way connection, jet pipe and the flange set gradually after, the three-way connection has wastewater inlet and high pressure water interface, described
High pressure water interface and jet pipe are in " one " word arrangement；The internal diameter of the high pressure water interface is gradually reduced from front to back.
Based on above-mentioned design, Anti-blocking structure has the function of speedup, can enhance the mobility and deslagging ability of sewage.
In order to achieve the above objectives, third aspect present invention embodiment proposes a kind of answering for shield machine blowdown anti-block apparatus
With using the shield machine drainage system progress operation, in blowdown operation, the slave computer real-time reception discharge of sewage is fed back
Discharge of sewage signal and the pressure signal that is fed back of pressure sensor, and report to host computer, host computer basis signal hair
It alarms out or/and control instruction is issued to slave computer, the specific operation method is as follows:
Slave computer control control ball valve obtains electric opening, and gas source is supplied to pneumatic dredge pump, and pneumatic dredge pump start-up operation will be in water
Sewage be evacuated to sewage pipe and flow into Anti-blocking structure, then reach sewage pipe, flow sensor detects sewage stream in sewage pipe
It measures and real-time report is to slave computer；
(1) when the flow of flow sensor is greater than or equal to a preset value, pneumatic blowdown pump work, and booster pump does not start；
(2) when the flow of flow sensor is less than preset value, slave computer control pressurization pump startup, solenoid valve obtains electric opening,
Booster pump to Anti-blocking structure unclog the pipe, executes jet stream after the water pressurization in clear water source step (3) or (4)；
(3) if the flow of flow sensor reaches preset value, it is stable after ten minutes, close booster pump and solenoid valve；
(4) if the flow of flow sensor is also not up to setting value after starting booster pump, and the pressure of pressure sensor is more than
When one preset value, slave computer simultaneously closes off solenoid valve, control ball valve and booster pump, and host computer issues alarm, overhauls pipeline.
Based on above-mentioned design, by process control, when pipeline blocks, solenoid valve, control ball valve can be closed in due course
And booster pump, unclog the pipe, to protect pneumatic dredge pump.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of existing shield machine waste removal equipment；
Fig. 2 is a kind of structural schematic diagram of shield machine blowdown anti-block apparatus of the present invention；
Fig. 3 is the structural schematic diagram of Anti-blocking structure in the present invention；
Fig. 4 is the sectional elevation of Anti-blocking structure in the present invention；
Fig. 5 is a kind of control principle block diagram of shield machine blowdown anti-block apparatus of the present invention.
Specific embodiment
In order to better understand the above technical scheme, the exemplary reality that the present invention will be described in more detail below with reference to accompanying drawings
Apply example.Although showing exemplary embodiment of the present invention in attached drawing, it being understood, however, that may be realized in various forms this hair
It is bright and should not be limited by the embodiments set forth herein.It is to be able to thoroughly understand this on the contrary, providing these embodiments
Invention, and the scope of the present invention can be fully disclosed to those skilled in the art.
Please refer to Fig. 2 and Fig. 5, a kind of shield machine blowdown anti-block apparatus, including Anti-blocking structure 1, clear water source 2, booster pump 3,
Solenoid valve 4, sewage pipe 5, a flow sensor 9, a pressure sensor 10, gas source 20, control ball valve 21, pneumatic dredge pump 23,
Check-valves 24, sewage 25, slave computer 6 and host computer 7；
Referring again to Fig. 2, Fig. 3 and Fig. 4, the Anti-blocking structure 1 includes three-way connection 11, the jet pipe set gradually from front to back
12 and flange 13, the Anti-blocking structure 1 has wastewater inlet 111 and high pressure water interface 112, i.e., the described wastewater inlet 111 and height
It presses water interface 112 to be set on three-way connection 11, a sewage pipe 8 is connected on the wastewater inlet 111；The high pressure water interface
112 are connected in " one " word arrangement, the jet pipe 12 and sewage pipe 5 by the flange 13 with jet pipe 12.Anti-blocking structure 1
Wastewater inlet 111 and high pressure water interface 112 are connected through a screw thread, and are dismounted easy to maintain；The internal diameter of the jet pipe 12 from
Middle part to rear end is gradually increased.The internal diameter of the high pressure water interface 112 is gradually reduced from front to back, i.e. high pressure water interface 112
For nozzle type, make originally to be exactly that the flushing water of big flow and high pressure improves jet velocity again by variable diameter, it will be from sewage
The sewage and silt that import 111 is come in are directly injected into jet pipe 12, without flowing into wastewater inlet 111, to realize sewage
The long-distance sand transport of mud.
Referring again to Fig. 2, the clear water source 2, booster pump 3, solenoid valve 4, Anti-blocking structure 1 high pressure water interface 112 successively
Connection, the Anti-blocking structure 1 are connected to sewage pipe 5；The flow sensor 9 is set on sewage pipe 5, and flow sensor 9 is used for
Detect the flow of sewage in sewage pipe 5.The pressure sensor 10 is set between booster pump 3 and solenoid valve 4, the gas source 20,
Control ball valve 21, pneumatic dredge pump 23 and the sewage pipe 8 are sequentially connected, and the check-valves 24 is set on sewage pipe 8；The gas
Dynamic dredge pump 23 and sewage 25 connect, and the control ball valve 21 and pneumatic dredge pump 23 are connect with slave computer 6 respectively, slave computer 6
Unlatching/closing of control control ball valve 21 and pneumatic dredge pump 23.Check-valves 24 when pipeline blockage for preventing sewage from flowing backwards
To protect pneumatic dredge pump 23.
Referring again to Fig. 2 and Fig. 5, the host computer 7 is connected with slave computer 6, and slave computer 6 is usually Programmable logical controller
Device PLC single-chip microcontroller, the slave computer 6 are connect with booster pump 3, solenoid valve 4, flow sensor 9, pressure sensor 10 respectively, are used
In unlatching/closing of control booster pump 3 and solenoid valve 4, receives the flow signal of flow sensor 9 and receive pressure sensor
10 pressure signal, and it is reported to host computer 7, host computer 7 receives the signal that slave computer 6 is fed back, and issues alarm or/and under
Position machine 6 issues control instruction；The pressure sensor 10 is for detecting jet pressure.
Referring again to Fig. 2 and Fig. 5, a kind of application of shield machine blowdown anti-block apparatus utilizes the shield machine drainage system
Carry out operation, in blowdown operation, discharge of sewage signal and pressure that 6 real-time reception flow sensor 9 of slave computer is fed back
The pressure signal that sensor 10 is fed back, and host computer 7 is reported to, 7 basis signal of host computer issues alarm or/and to slave computer
6 issue control instruction, and the specific operation method is as follows:
The control control ball valve 21 of slave computer 6 obtains electric opening, and gas source 20 gives pneumatic dredge pump 23 to supply, and pneumatic dredge pump 23 starts work
Sewage is evacuated to sewage pipe 8 and flowed into Anti-blocking structure 1 by work, then reaches sewage pipe 5, and flow sensor 9 detects in sewage pipe 5
The discharge of sewage and real-time report are to slave computer 6；
(1) when the flow of flow sensor 9 is greater than or equal to a preset value, pneumatic dredge pump 23 works, and booster pump 3 does not open
It is dynamic；
(2) when the flow of flow sensor 9 is less than preset value, slave computer 6 controls booster pump 3 and starts, and solenoid valve 4 obtains electric beat
It opens, jet stream executes step (3) or (4) to 1 unclog the pipe of Anti-blocking structure after booster pump 3 extracts the clear water pressurization in clear water source 2；
(3) if the flow of flow sensor 9 reaches preset value, it is stable after ten minutes, close booster pump 3 and solenoid valve 4；
(4) if the flow of flow sensor 9 is also not up to setting value, and the pressure of pressure sensor 10 after starting booster pump 3
Pressure sensor 10 is preset with a maximum value to jet pressure when more than a preset value, and flow does not increase, and pressure increase, says
Bright tube blockage needs to overhaul, and slave computer 6 simultaneously closes off solenoid valve 4, control ball valve 21 and booster pump 3, to protect pneumatic dredge pump
23；Host computer 7 issues alarm, manually overhauls pipeline.
There is the present invention flushing, pressurization and speedup structure can solve mesh to enhance the mobility and deslagging ability of sewage
Sewage pipe 5 easily blocks the problem of causing dredge pump to damage in preceding work progress.
In the description of the present invention, term " first ", " second " are used for description purposes only, and should not be understood as instruction or dark
Show relative importance or implicitly indicates the quantity of indicated technical characteristic.The feature of " first ", " second " is defined as a result,
It can explicitly or implicitly include one or more of the features.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (10)
1. a kind of shield machine blowdown anti-block apparatus, it is characterised in that: including Anti-blocking structure (1), clear water source (2), booster pump (3),
Solenoid valve (4), sewage pipe (5), slave computer (6) and host computer (7)；The Anti-blocking structure (1) has wastewater inlet (111) and high
It presses water interface (112), is connected with a sewage pipe (8) on the wastewater inlet (111)；
The clear water source (2), booster pump (3), solenoid valve (4), Anti-blocking structure (1) high pressure water interface (112) be sequentially connected, institute
It states Anti-blocking structure (1) and is connected to sewage pipe (5)；The slave computer (6) connect with booster pump (3), solenoid valve (4) respectively, is used for
Control unlatching/closing of booster pump (3) and solenoid valve (4)；The host computer (7) is connected with slave computer (6), the host computer (7)
The signal that slave computer (6) are fed back is received, alarm is issued or/and control instruction is issued to slave computer (6).
2. a kind of shield machine blowdown anti-block apparatus as described in claim 1, it is characterised in that: further include a flow sensor
(9), the flow sensor (9) is set on sewage pipe (5), and the flow sensor (9) is connect with slave computer (6), slave computer
(6) it receives the flow signal of flow sensor (9) and is reported to host computer (7), the host computer (7) issues alarm or/and right
Slave computer (6) issues control instruction.
3. a kind of shield machine blowdown anti-block apparatus as described in claim 1, it is characterised in that: further include a pressure sensor
(10), the pressure sensor (10) is set between booster pump (3) and solenoid valve (4), and the pressure sensor (10) and bottom
Machine (6) connection, slave computer (6) receive the pressure signal of pressure sensor (10) and are reported to host computer (7), the host computer
(7) it issues alarm or/and control instruction is issued to slave computer (6).
4. a kind of shield machine blowdown anti-block apparatus as described in claim 1, it is characterised in that: further include gas source (20), control
Ball valve (21), pneumatic dredge pump (23), check-valves (24) and sewage (25)；The gas source (20), control ball valve (21), pneumatic row
Dirt pump (23) and the sewage pipe (8) are sequentially connected, and the check-valves (24) is set on sewage pipe (8)；The gas source (20) and
Sewage (25) connection, the control ball valve (21) and pneumatic dredge pump 23 are connect with slave computer (6) respectively, slave computer (6) control
Control unlatching/closing of ball valve (21) and pneumatic dredge pump 23.
5. a kind of shield machine blowdown anti-block apparatus as described in claim 1, it is characterised in that: the Anti-blocking structure (1) includes
Three-way connection (11), jet pipe (12) and the flange (13) set gradually from front to back, the wastewater inlet (111) and high pressure water
Interface (112) is set on three-way connection (11), and the high pressure water interface (112) and jet pipe (12) are in " one " word arrangement, institute
Jet pipe (12) and sewage pipe (5) is stated to connect by the flange (13).
6. a kind of shield machine blowdown anti-block apparatus as claimed in claim 5, it is characterised in that: the high pressure water interface (112)
Internal diameter be gradually reduced from front to back.
7. a kind of shield machine blowdown anti-block apparatus as claimed in claim 5, it is characterised in that: the internal diameter of the jet pipe (12)
It is gradually increased from middle part to rear end.
8. a kind of Anti-blocking structure as claimed in claim 6, it is characterised in that: including the three-way connection set gradually from front to back
(11), jet pipe (12) and flange (13), the three-way connection (11) have wastewater inlet (111) and high pressure water interface (112),
The high pressure water interface (112) and jet pipe (12) are in " one " word arrangement；The internal diameter of the high pressure water interface (112) is from front to back
It is gradually reduced.
9. a kind of Anti-blocking structure as claimed in claim 6, it is characterised in that: the internal diameter of the jet pipe (12) is from middle part to rear
End is gradually increased.
10. a kind of application of shield machine blowdown anti-block apparatus, it is characterised in that: arranged using shield machine described in claim 1-7
Dirty system carries out operation, in blowdown operation, the discharge of sewage signal that slave computer (6) real-time reception discharge of sewage is fed back, with
And the pressure signal that pressure sensor (10) is fed back, and host computer (7) are reported to, host computer (7) basis signal issues alarm
Or/and control instruction is issued to slave computer (6), the specific operation method is as follows:
Slave computer (6) control control ball valve (21) obtains electric opening, and gas source (20) gives pneumatic dredge pump (23) to supply, pneumatic dredge pump
(23) it starts to work and sewage is evacuated to sewage pipe (8) and is flowed into Anti-blocking structure (1), then reach sewage pipe (5), flow sensing
Simultaneously real-time report gives slave computer (6) to the discharge of sewage in device (9) detection sewage pipe (5)；
A. when the flow of flow sensor (9) is greater than or equal to a preset value, pneumatic dredge pump (23) work, and booster pump
(3) do not start；
B. when the flow of flow sensor (9) is less than preset value, slave computer (6) controls booster pump (3) starting, solenoid valve (4)
Electric opening is obtained, jet stream executes step C or D to Anti-blocking structure (1) unclog the pipe after booster pump (3) pressurizes the water in clear water source；
If C. the flow of flow sensor (9) reaches preset value, it is stable after ten minutes, close booster pump (3) and solenoid valve
(4)；
If D. the flow of flow sensor (9) is also not up to setting value, and pressure sensor (10) after starting booster pump (3)
Pressure when being more than a preset value, slave computer (6) simultaneously closes off solenoid valve (4), control ball valve (21) and booster pump (3), upper
Machine (7) issues alarm, overhauls pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910645950.2A CN110242312A (en) | 2019-07-17 | 2019-07-17 | A kind of Anti-blocking structure, a kind of shield machine blowdown anti-block apparatus and its application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910645950.2A CN110242312A (en) | 2019-07-17 | 2019-07-17 | A kind of Anti-blocking structure, a kind of shield machine blowdown anti-block apparatus and its application |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110242312A true CN110242312A (en) | 2019-09-17 |
Family
ID=67892801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910645950.2A Pending CN110242312A (en) | 2019-07-17 | 2019-07-17 | A kind of Anti-blocking structure, a kind of shield machine blowdown anti-block apparatus and its application |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110242312A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111750950A (en) * | 2020-06-15 | 2020-10-09 | 京源中科科技股份有限公司 | Intelligent water meter and remote water meter control system |
| CN113356894A (en) * | 2021-07-23 | 2021-09-07 | 山东东山新驿煤矿有限公司 | Remote electric control guniting pressurization system |
| CN113617724A (en) * | 2021-08-02 | 2021-11-09 | 中铁工程装备集团有限公司 | Slag removing system and slag removing method for main drive labyrinth cavity of shield machine |
-
2019
- 2019-07-17 CN CN201910645950.2A patent/CN110242312A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111750950A (en) * | 2020-06-15 | 2020-10-09 | 京源中科科技股份有限公司 | Intelligent water meter and remote water meter control system |
| CN113356894A (en) * | 2021-07-23 | 2021-09-07 | 山东东山新驿煤矿有限公司 | Remote electric control guniting pressurization system |
| CN113356894B (en) * | 2021-07-23 | 2022-10-25 | 山东东山新驿煤矿有限公司 | Remote electric control guniting pressurization system |
| CN113617724A (en) * | 2021-08-02 | 2021-11-09 | 中铁工程装备集团有限公司 | Slag removing system and slag removing method for main drive labyrinth cavity of shield machine |
| CN113617724B (en) * | 2021-08-02 | 2022-06-28 | 中铁工程装备集团有限公司 | Slag removing system and slag removing method for main drive labyrinth cavity of shield machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110242312A (en) | A kind of Anti-blocking structure, a kind of shield machine blowdown anti-block apparatus and its application | |
| CN101611201B (en) | Vacuum sewage system | |
| CN108569792A (en) | Water cleaning systems and its control method | |
| CN106498667A (en) | A kind of control device of washing machine, washing machine and its control method | |
| CN212956730U (en) | Non-negative pressure water supply device capable of descaling online | |
| CN210685985U (en) | Shield constructs quick-witted blowdown and prevents stifled device | |
| CN108671596A (en) | A kind of monomer water treatment facilities | |
| CN212401036U (en) | Pipeline is suppressed and is washed integrative car | |
| CN210827792U (en) | Intelligent silt-accumulation-preventing integrated pump station | |
| CN105268574B (en) | One kind spraying main frame and its method of work | |
| CN209205981U (en) | A kind of liquid level self-controlling type rushes mine device | |
| CN208265884U (en) | water purification system | |
| KR101350969B1 (en) | Apparatus for automatically removing accumulations in upward pipe-line of waste-water treatment facility | |
| CN208553267U (en) | A kind of monomer water treatment facilities | |
| CN205873966U (en) | Waste water recycle system with test fixture | |
| CN105501191B (en) | A kind of washing installation for vehicle, control method and concrete spraying vehicle | |
| CN111577591B (en) | Intelligent water seal flushing system and flushing method | |
| CN205109417U (en) | Reverse osmosis membrane's anti - washing unit | |
| CN208689447U (en) | A kind of swimming pool automatic water supplementing device for water tank | |
| CN202767951U (en) | High-pressure gas injection safety control skid-mounted device | |
| CN205373061U (en) | Water heater filter screen clearance reminding device | |
| CN211258541U (en) | Foam well washing system | |
| CN218117847U (en) | Tunnel drainage system of reverse pressurized water recoverable formula | |
| CN216560247U (en) | Process water supply control alarm system | |
| CN217048575U (en) | Emptying structure of full-automatic car washer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |