CN109681258A - The valve control device of automatic protection motor, the Main Control Tank for device for reducing dust - Google Patents
The valve control device of automatic protection motor, the Main Control Tank for device for reducing dust Download PDFInfo
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- CN109681258A CN109681258A CN201811568428.0A CN201811568428A CN109681258A CN 109681258 A CN109681258 A CN 109681258A CN 201811568428 A CN201811568428 A CN 201811568428A CN 109681258 A CN109681258 A CN 109681258A
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- Prior art keywords
- main control
- ball valve
- control tank
- cabinet
- pointer
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Classifications
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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
- E21F5/00—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Electrically Driven Valve-Operating Means (AREA)
Abstract
The invention belongs to motor automatic protection control technology field, the valve control device for being related to a kind of automatic protection motor, the Main Control Tank for device for reducing dust, including Main Control Tank ontology, Main Control Tank ontology include the cabinet and cover board being detachably connected；It is divided into upper cavity and lower chamber in cabinet, is respectively arranged with cable line interface on the outside of the both side plate of upper cavity, is provided with control unit in upper cavity；Ball valve is respectively arranged on the outside of the both side plate of lower chamber, executing agency is installed in lower chamber, executing agency includes electric machine assembly, pointer and the microswitch being respectively arranged on the inside of lower chamber both side plate, direct current generator in electric machine assembly drives indicators turn, and pointer touching microswitch realization opens or closes ball valve valve；The spool of ball valve is additionally provided with spacer pin and fixed pin.This is used for the Main Control Tank of device for reducing dust, and switch or the delay of ball valve valve can be set according to different sensors type, has Automatic Detection and Control, timing controlled, standard-sized sheet and controls three kinds of control models.
Description
Technical field
The invention belongs to motor automatic protection control technology fields, are related to a kind of valve control dress of automatic protection motor
It sets, for the Main Control Tank of device for reducing dust.
Background technique
All the time, coal dust is all the formidable enemy of Safety of Coal Mine Production, underground coal mine fully mechanized mining, fully mechanized workface, return aircourse,
The places such as conveyer transfer point dust point all compares more.Therefore, device for reducing dust becomes the core for improving and administering dust work environment
The heart.Currently, most of device for reducing dust be all by automatically control watering or it is wind power ganged by spraying come depositing dust dedusting, purification air.
However, the Main Control Tank of existing device for reducing dust, has a single function, solenoid valve and host are installed separately, and installation is caused to work
The problem of intensity is big, and purchase cost increases；In addition, leading to maintenance cost since generic failure causes driving motor often to be burnt
Increase.
Summary of the invention
It is an object of the invention to overcome the above-mentioned prior art, a kind of valve control of automatic protection motor is provided
Device, the Main Control Tank for device for reducing dust.
The purpose of the present invention is by the following technical programs to solve: in a first aspect, the present invention provides a kind of automatic
The valve control device of motor, including ball valve are protected, further includes electric machine assembly, pointer, microswitch；In the electric machine assembly
Motor output shaft drives indicators turn, and the other end of the pointer transmission shaft realizes opening for ball valve valve by stirring ball valve core
It opens or closes；Ball valve core is additionally provided with spacer pin and fixed pin.
Further, the quantity of the pointer is one, and the quantity of the microswitch is two, and two microswitches are in
90 degree of distributions, and be fixed in same nylon sheet with a pointer.
On the other hand, the present invention also provides a kind of Main Control Tank for device for reducing dust, the Main Control Tank is equipped with as above
The valve control device of the automatic protection motor,
The Main Control Tank includes Main Control Tank ontology, and the Main Control Tank ontology includes the cabinet and cover board being detachably connected；Institute
It states and is divided into upper cavity and lower chamber in cabinet；Be respectively arranged with cable line interface on the outside of the both side plate of the upper cavity, it is described on
Control unit is provided in cavity；
Ball valve is respectively arranged on the outside of the both side plate of lower chamber in the valve control device, the electric machine assembly, pointer
And microswitch is respectively arranged on the inside of lower chamber both side plate.
Further, the outer end of the cable line interface is in the shape of a trumpet, convenient for threading, preventing cable sheath from scratching, subtracts
Few accident rate.
Further, the quantity of the ball valve is two, and is connect by screw with the motor fixing seat in electric machine assembly,
The inside of ball valve is with internal diameterO-shaped rubber ring be sealed.
Further, the quantity of the pointer is two, and the quantity of the microswitch is four, and two microswitches are in
90 degree of distributions, and be fixed in same nylon sheet with a pointer, pointer 7 selects steel material to be made.
Further, the other end of the pointer transmission shaft is homalocephalus shape, and the spool positive and negative rotation by stirring ball valve is realized
Ball valve valve opens or closes.
Further, handle, easy to carry and installation are welded at the top of the cabinet.
Further, the display window on the inside of the cover board successively includes being sealed by sealant and being consolidated with screw from outside to inside
Fixed implosion guard, gasket, flat, display.
Further, the cabinet and cover board are connected and fixed by 6 groups of screws, screw specification M8.
Further, described control unit is circuit board assemblies, circuit board and box baseplate in the circuit board assemblies
Between gap be greater than 30mm.
Further, the outside of the cabinet is provided with by mushroom rivet forbids hot line job mark nameplate, described
201-1 antirust oil through phosphorating treatment and is smeared in the explosion-proof face of cabinet, and the inner surface of the cabinet is sprayed with 1321 are-tight paints, appearance
Face carries out electrostatic spraying processing.
It can be seen that provided by the present invention for the Main Control Tank of device for reducing dust, have the following beneficial effects: control unit and
Ball valve integrated design, opening cover board is not had to after progress primary connection installation can be configured operation control outside, pacify
Fill easy maintenance；Using microcomputer singlechip intelligent control circuit, programming automation control can be set according to different sensors type
Switch or the delay for determining ball valve valve have Automatic Detection and Control, timing controlled, standard-sized sheet and control three kinds of control models, by practical
Duty requirements are precisely controlled spray action.The operation is stable, highly-safe, output end short-circuit protection function have power-off data and deposit
Storage, mode storing data, timed power on/off time save the data such as data, response delay and are stored in the included reservoir of snap-gauge
In.
Detailed description of the invention
Fig. 1 is the main view provided by the present invention for the Main Control Tank of device for reducing dust；
Fig. 2 is the side view provided by the present invention for the Main Control Tank of device for reducing dust；
Fig. 3 removes the cross-sectional view after cover board for the Main Control Tank provided by the present invention for device for reducing dust；
Fig. 4 removes the perspective view after cover board for the Main Control Tank provided by the present invention for device for reducing dust；
Fig. 5 is the schematic diagram of the valve open position of the valve control device of automatic protection motor provided by the invention；
Fig. 6 is the schematic diagram of the valve-closed position of the valve control device of automatic protection motor provided by the invention；
Fig. 7 is the valve control device spool of automatic protection motor provided by the invention and the installation diagram of transmission shaft.
Wherein: 1 is cabinet；2 be cover board；3 be cable line interface；4 be ball valve；5 be control unit；6 be electric machine assembly；7
For pointer；8 be microswitch；9 be ball valve core；10 be screw；11 be display；12 be nameplate；13 be mushroom rivet；14
For rubber seal；15 be spacer pin；16 be fixed pin.
Specific embodiment
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistented with the present invention.On the contrary, they are only and appended power
The example of device be described in detail in sharp claim, that some aspects of the invention are consistent.
In order to make those skilled in the art more fully understand the present invention program, with reference to the accompanying drawings and embodiments to this hair
It is bright to be described in further detail.
Embodiment 1:
Referring to shown in Fig. 5-7, the present invention provides a kind of valve control devices of automatic protection motor, including ball valve 4, also
Including electric machine assembly 6, pointer 7, microswitch 8,
Motor output shaft driving pointer 7 in electric machine assembly 6 rotates, and the other end of 7 transmission shaft of pointer is by stirring ball valve
Spool 9 realizes opening or closing for ball valve valve；
Ball valve core 9 is additionally provided with spacer pin 15 and fixed pin 16.
Further, the quantity of pointer 7 is one, and the quantity of microswitch 8 is two, and two microswitches 8 are in 90 degree
Distribution, and be fixed in same nylon sheet with a pointer 7.
Referring to shown in Fig. 1-4, the present invention also provides a kind of Main Control Tank for device for reducing dust, Main Control Tank is equipped with as above
The valve control device of the automatic protection motor,
Main Control Tank includes Main Control Tank ontology, and Main Control Tank ontology includes the cabinet 1 and cover board 2 being detachably connected；The cabinet 1
Inside it is divided into upper cavity and lower chamber；It is respectively arranged with cable line interface 3 on the outside of the both side plate of upper cavity, control is provided in upper cavity
Unit 5 processed；
Ball valve 4 is respectively arranged on the outside of the both side plate of lower chamber in valve control device, electric machine assembly 6, pointer 7 and fine motion
Switch 8 is respectively arranged on the inside of lower chamber both side plate；Motor output shaft driving pointer 7 in electric machine assembly 6 rotates, and pointer 7 passes
The other end of moving axis realizes opening or closing for ball valve valve by stirring ball valve core 9；Ball valve core 9 is additionally provided with spacer pin
15 and fixed pin 16.
Further, the outer end of cable line interface 3 is in the shape of a trumpet, convenient for threading, preventing cable sheath from scratching, reduces thing
Therefore incidence.
Further, the quantity of ball valve 4 is two, and solid by the motor of direct current generator in screw 10 and electric machine assembly 6
Reservation connection, the inside of ball valve 4 is sealed with rubber seal 14.
Further, the quantity of pointer 7 is two, and the quantity of microswitch 8 is four, and two microswitches 8 are in 90 degree
Distribution, and be fixed in a nylon sheet with a pointer 7, pointer 7 selects steel material to be made.
Further, the other end of 7 transmission shaft of pointer is homalocephalus shape, and ball is realized in 9 positive and negative rotation of spool by stirring ball valve 4
Valve valve opens or closes.
Further, the top of cabinet 1 is welded with handle, easy to carry and installation.
Further, the display window of 2 inside of cover board successively includes being sealed by sealant and being consolidated with screw 10 from outside to inside
Fixed implosion guard, gasket, flat, display 11.
Further, cabinet 1 and cover board 2 are connected and fixed by 6 groups of screws 10, screw specification M8；The outside of cabinet 1 is logical
Cross mushroom rivet 13 be provided with forbid hot line job mark nameplate 12 and other mark, the explosion-proof face of cabinet 1 through phosphatization at
201-1 antirust oil is managed and smears, the inner surface of cabinet 1 is sprayed with 1321 are-tight paints, and outer surface carries out electrostatic spraying processing, cabinet 1
Interior progress 1MPa hydrostatic test, protective performance reach the requirement of IP54 in GB4208-2008.
Further, control unit 5 is circuit board assemblies, between 1 bottom plate of circuit board and cabinet in circuit board assemblies
Gap is greater than 30mm, also has heat sinking function while increasing insulation, and then achieve the purpose that protection circuit plate.
Further, ball valve core 9 be arranged spacer pin 15 and fixed pin 16 so that ball valve core 9 can only realize it is positive and negative
90 degree of rotation prevents motor because of switch or control circuit failure, does not stop to rotate, cause ball valve core 9 along a direction 360
Degree rotation.
Further, display 11 uses liquid crystal display, using setting liquid outside Mine-used I. S magnetic induction touching formula
Crystal display screen, can be with texts such as display function, depositing dust, pedestrian, settings, and have flashing function, can any single choice or combination match
It sets dust concentration, touch-control, heat and releases the sensors such as infrared, level, smog, temperature, to meet the need of live automated spray depositing dust
It asks.It can also show some important informations such as time, mode and real-time displaying device working state of system, eye-catching safety.Simultaneously
Also there is infrared receiving module, control remote controler can be equipped with and controlled.
Provided by the present invention for the Main Control Tank of device for reducing dust, its working principles are as follows: when the valve is open, because of switch therefore
Barrier or circuit control reason, cause direct current generator that cannot stop after 90 degree of rotation and rotate down always, cause ball valve core 9
Rotation is further continued for after rotating more than 90 degree causes valve to be opened once again.Therefore, nylon is selected to open in the present invention as fixed fine motion
8 mounting plate material is closed, the pointer 7 of steel cannot stop in designated position at this time, will knock microswitch 8 easily, continue
It rotates forward.Due to the effect of spacer pin 15, motor rotary resistance constantly increases, while electric current also increases, system power supply
Overload protection, protector fusing, system failure alarm, operator can find the problem in time, to exempt a failure or thing
Therefore generation.Similarly, if valve internal congestion foreign matter, lead to 9 clamping stagnation of ball valve core, motor resistance increases, and electric current increases, together
Sample can cause system alarm.
In addition, 4 integrated design of control unit 5 and ball valve, does not have to open cover board 2 after carrying out primary connection installation
It is configured operation control outside, installation maintenance is easy；Using microcomputer singlechip intelligent control circuit, programming automation control
System can set switch or the delay of ball valve valve according to different sensors type, have Automatic Detection and Control, timing controlled, complete
Three kinds of control models of control are opened, are precisely controlled spray action by actual condition demand.The operation is stable, highly-safe, output end is short
Road defencive function, has power-off data storage, and mode storing data, timed power on/off time save the numbers such as data, response delay
According to being stored in the included reservoir of snap-gauge.
Embodiment 2:
Referring to fig. 4 to shown in 7, the present invention provides a kind of Main Control Tank for device for reducing dust, Main Control Tank is equipped with as above
The valve control device of the automatic protection motor, Main Control Tank further include Main Control Tank ontology, and Main Control Tank ontology includes detachable
The cabinet 1 and cover board 2 of connection；The shell of cabinet 1 is solid durable by 4mm thickness Q235A steel plate bending welding fabrication；Cabinet 1 it is interior
Portion's size long 252m, wide 165m, deep 131m, the explosion-proof chamber volume in cabinet 1 is about 5.4L.
It is divided into upper cavity and lower chamber in cabinet 1, two groups of cable line interfaces 3 is respectively set on the outside of the both side plate of upper cavity,
One of them is used as power supply interface, and two are used for external sensor, another is as spare interface；Outside cable line interface 3
Hold it is in the shape of a trumpet, convenient for threading and preventing cable sheath from scratching, reduce accident rate.Circuit board group is also set up in upper cavity
Part, circuit board assemblies are connect by the four circuit board pedestals welded on cruciform slot screw and 1 bottom plate of cabinet, the circuit board assemblies
Start and stop, the positive and negative rotation of direct current generator in main control electric machine assembly 6, and the size of detection electric current.
It is respectively arranged with a ball valve 4 on the outside of the both side plate of lower chamber, executing agency is also equipped in lower chamber, executes machine
Structure includes electric machine assembly 6, pointer 7 and the microswitch 8 being respectively arranged on the inside of lower chamber both side plate, and electric machine assembly 6 includes two
Platform 12V DC motor HF-555/12, direct current generator drive pointer 7 to rotate, and pointer 7 touches the microswitch 8 of two execution stations
Realization opens or closes ball valve valve, and the model 2A125VAC of microswitch 8, two microswitches 8 are distributed in 90 degree,
It is fixed in one piece of nylon sheet with pointer 7, DC motor positive and negative rotation drives pointer 7 to rotate, and pointer 7 is by stirring positioned at lower chamber
9 positive and negative rotation of ball valve core in outside, Lai Shixian ball valve valve open or close.
Ball valve 4 is different from previous seperated mode, using control unit and 4 integrated structure of ball valve；The quantity of ball valve 4 is
It two (gas circuit, a water route), model KJ-13, is respectively arranged on the outside of the both side plate of lower chamber, by the spiral shell of 4 groups of M5
Nail is connect with the motor fixing seat of direct current generator, and inside is with internal diameterRubber seal 14 be sealed.Two straight
Galvanic electricity machine controls synchronous start and stop by system, and two ball valves 4 are then opened simultaneously or closed.
Ball valve core 9 further includes the fixed pin and spacer pin for being fixedly installed on ball valve core 9, so that ball valve core 9 can only
It realizes positive and negative 90 degree of rotation, prevents motor because of switch or control circuit failure, do not stop to rotate, cause ball valve core 9 along one
A direction 360 degree rotation.
Further, the gap between 1 bottom plate of circuit board assemblies and cabinet is greater than 30mm, may be used also while increasing insulation
With heat dissipation, and then achieve the purpose that protection circuit plate.
Further, referring to Fig. 5-6, the other end of 7 transmission shaft of pointer is homalocephalus shape, positive and negative by stirring ball valve core 9
Turn to realize opening or closing for ball valve valve.
Further, the top of cabinet 1 is welded with handle, easy to carry and installation.
Further, cabinet 1 and cover board 2 are connected and fixed by the screw of 6 groups of M8, screw specification M8；The outside of cabinet 1
It is provided with by mushroom rivet 13 and forbids hot line job mark nameplate 12 and other marks, the explosion-proof face of cabinet 1 is through phosphatization
201-1 antirust oil is handled and smears, the inner surface of cabinet 1 is sprayed with 1321 are-tight paints, and outer surface carries out electrostatic spraying processing, cabinet
1MPa hydrostatic test is carried out in 1, protective performance reaches the requirement of IP54 in GB4208-2008.
This is used for the Main Control Tank of device for reducing dust, and the names of the parts and model detail used in specific assembling process are as follows:
Self-made components detail
Main outsourcing piece detail
To sum up, control device provided by the invention carries out primary connection using 4 integrated design of control unit 5 and ball valve
Operation control can be configured outside by not having to opening cover board 2 after installation, and installation maintenance is easy；Using microcomputer singlechip
Intelligent control circuit, programming automation control can set switch or the delay of ball valve valve according to different sensors type, have
Automatic Detection and Control, timing controlled, standard-sized sheet control three kinds of control models, are precisely controlled spray action by actual condition demand.Work
Make to stablize, highly-safe, output end short-circuit protection function, has power-off data storage, when mode storing data, timed power on/off
Between save the data such as data, response delay and be stored in the included reservoir of snap-gauge.
The above is only a specific embodiment of the invention, is made skilled artisans appreciate that or realizing this hair
It is bright.Various modifications to these embodiments will be apparent to one skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.
It should be understood that the invention is not limited to the structures for having described above and being shown in the accompanying drawings, and can be with
It is carrying out various modifications and is changing without departing from the scope.The scope of the present invention is limited only by the attached claims.
Claims (10)
1. a kind of valve control device of automatic protection motor, including ball valve (4), which is characterized in that further include electric machine assembly
(6), pointer (7), microswitch (8)；Motor output shaft driving pointer (7) rotation in the electric machine assembly (6), the pointer
(7) other end of transmission shaft realizes opening or closing for ball valve valve by stirring ball valve core (9)；The ball valve core (9)
It is additionally provided with spacer pin (15) and fixed pin (16).
2. the valve control device of automatic protection motor according to claim 1, which is characterized in that the pointer (7)
Quantity is one, and the quantity of the microswitch (8) is two, and two microswitches (8) are distributed in 90 degree, and with a pointer
(7) it is fixed in same nylon sheet.
3. a kind of Main Control Tank for device for reducing dust, which is characterized in that the Main Control Tank installation is just like any one of claim 1-2
The valve control device of the automatic protection motor,
The Main Control Tank includes Main Control Tank ontology, and the Main Control Tank ontology includes the cabinet (1) and cover board (2) being detachably connected；
It is divided into upper cavity and lower chamber in the cabinet (1)；Cable line interface is respectively arranged on the outside of the both side plate of the upper cavity
(3), it is provided in the upper cavity control unit (5)；
Ball valve (4) is respectively arranged on the outside of the both side plate of lower chamber in the valve control device, and the electric machine assembly (6) refers to
Needle (7) and microswitch (8) are respectively arranged on the inside of lower chamber both side plate.
4. the Main Control Tank according to claim 3 for device for reducing dust, which is characterized in that the cable line interface (3)
Outer end is in the shape of a trumpet, convenient for threading, preventing cable sheath from scratching.
5. the Main Control Tank according to claim 3 for device for reducing dust, which is characterized in that
The quantity of the ball valve (4) is two, and is connect by screw (10) with the motor fixing seat in electric machine assembly (6)；
The quantity of the pointer (7) is two, and the quantity of the microswitch (8) is four, and two microswitches (8) are in 90 degree
Distribution, and be fixed in same nylon sheet with a pointer (7).
6. the Main Control Tank according to claim 3 for device for reducing dust, which is characterized in that pointer (7) transmission shaft
The other end is homalocephalus shape, realizes opening or closing for ball valve valve by stirring ball valve core (9) positive and negative rotation.
7. the Main Control Tank according to claim 3 for device for reducing dust, which is characterized in that weld at the top of the cabinet (1)
Handle, the cabinet (1) and cover board (2) is connected to be connected and fixed by six groups of screws (10).
8. the Main Control Tank according to claim 3 for device for reducing dust, which is characterized in that aobvious on the inside of the cover board (2)
Show window from outside to inside and successively include the implosion guard for being sealed by sealant and using screw (10) fixed, gasket, flat,
Display (11).
9. the Main Control Tank according to claim 3 for device for reducing dust, which is characterized in that described control unit (5) is electricity
Road board group part, the gap between circuit board and cabinet (1) bottom plate in the circuit board assemblies are greater than 30mm.
10. the Main Control Tank according to claim 3 for device for reducing dust, which is characterized in that the outside of the cabinet (1) is logical
Cross mushroom rivet (13) and be provided with and forbid hot line job mark nameplate (12), the explosion-proof face of the cabinet (1) through phosphatization at
201-1 antirust oil is managed and smears, the inner surface of the cabinet (1) is sprayed with 1321 are-tight paints, and outer surface carries out electrostatic spraying processing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811568428.0A CN109681258B (en) | 2018-12-21 | 2018-12-21 | Valve control device for automatic protection motor and main control box for dust settling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811568428.0A CN109681258B (en) | 2018-12-21 | 2018-12-21 | Valve control device for automatic protection motor and main control box for dust settling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109681258A true CN109681258A (en) | 2019-04-26 |
| CN109681258B CN109681258B (en) | 2024-03-12 |
Family
ID=66188589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811568428.0A Active CN109681258B (en) | 2018-12-21 | 2018-12-21 | Valve control device for automatic protection motor and main control box for dust settling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109681258B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114645733A (en) * | 2020-12-19 | 2022-06-21 | 江苏追光智能科技有限公司 | Mining multi-functional automatic watering dust device control box |
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| CN106495344A (en) * | 2016-11-11 | 2017-03-15 | 平安开诚智能安全装备有限责任公司 | Underground coal mine water treatment system |
| CN209621380U (en) * | 2018-12-21 | 2019-11-12 | 陕西斯达防爆安全科技股份有限公司 | The valve control device of automatic protection motor, the Main Control Tank for device for reducing dust |
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2018
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1363922A (en) * | 1971-10-08 | 1974-08-21 | Isis Technical Finishes Ltd | Motorised valve |
| US20010050345A1 (en) * | 2000-04-20 | 2001-12-13 | Yong-Jae Im | Multifunctional urgent shutoff safety valves |
| CN2443334Y (en) * | 2000-10-27 | 2001-08-15 | 扬州恒信仪表有限公司 | IC card pay water-meter |
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| CN106495344A (en) * | 2016-11-11 | 2017-03-15 | 平安开诚智能安全装备有限责任公司 | Underground coal mine water treatment system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114645733A (en) * | 2020-12-19 | 2022-06-21 | 江苏追光智能科技有限公司 | Mining multi-functional automatic watering dust device control box |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109681258B (en) | 2024-03-12 |
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