CN209356907U - Mining explosion-proof type emulsion system energy-saving protective controller - Google Patents
Mining explosion-proof type emulsion system energy-saving protective controller Download PDFInfo
- Publication number
- CN209356907U CN209356907U CN201821784636.XU CN201821784636U CN209356907U CN 209356907 U CN209356907 U CN 209356907U CN 201821784636 U CN201821784636 U CN 201821784636U CN 209356907 U CN209356907 U CN 209356907U
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- proof type
- type emulsion
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- flame
- connect
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- 239000000839 emulsion Substances 0.000 title claims abstract description 68
- 238000005065 mining Methods 0.000 title claims abstract description 16
- 230000001681 protective effect Effects 0.000 title claims abstract description 15
- 239000000523 sample Substances 0.000 claims abstract description 18
- 239000012530 fluid Substances 0.000 claims abstract description 6
- 238000005070 sampling Methods 0.000 claims abstract description 6
- 238000009434 installation Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 abstract description 6
- 230000009467 reduction Effects 0.000 abstract description 2
- 101100190621 Arabidopsis thaliana PLC4 gene Proteins 0.000 description 3
- 239000003245 coal Substances 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 206010033799 Paralysis Diseases 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 210000003746 feather Anatomy 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Measuring Fluid Pressure (AREA)
Abstract
The utility model relates to a kind of mining explosion-proof type emulsion system energy-saving protective controllers, including cabinet, the box house is equipped with a main cavity and an intrinsic safety cavity, PLC and flame-proof type emulsion control system are equipped in main chamber body, the PLC is equipped with display screen and operation button, the flame-proof type emulsion control system is connect with PLC signal, the flame-proof type emulsion control system includes pressure sensor, input/output signal line is equipped in this case cavity, the side of the cabinet is equipped with probe tube, one end of the probe tube is equipped with quick connecting interface, the probe tube is connect with the pressure sensor of flame-proof type emulsion control system for detecting the Fluid pressure in sampling pipe.The controller of the utility model is automatically stopped liquid pump when can not only be when system idle running, damaging component more than rated pressure, and can autostop, valve of blinding off a line, reduction emulsion leakage when emulsion is revealed.
Description
Technical field
The utility model relates to mining instruments, and in particular to a kind of mining explosion-proof type emulsion system energy-saving protective control
Device.
Background technique
Coal mine fully-mechanized mining work face hydraulic pressure system of hydraulic support pipeline, element, interface are more, using coal mine hydraulic supporting concentrate
(also referred to as oil emulsion) and water match solution --- the emulsion at 3-5%, the transfer medium as system pressure.Due to the system
Operating pressure high (specified nominal pressure is 31.5 megapascal), flow are big (nominal flow rate reaches 400 liters/min), system pressure
Pump --- emulsion pump manufacturer's design and it is mating when there was only mechanical relief and Mechanical security protector, without electic protection and
Automatic shutdown protection function, stoppage protection when being revealed particular without transfer medium, in emulsion pump operational process often
There are following problems: first is that due to unloading component --- system pressure, which cannot unload, after feather valve breaks down leads to system pressure
It increases, more than the serious problems such as pipelines from bursting, component bad seals, system operation paralysis after system safety operation pressure；Second is that
After leading to system pipeline rupture, sealing joint damage due to pipeline, seal aging etc., pressure is only seen by interruption by artificial
Power table and pumping plant sound is listened to judge, cannot find simultaneously to stop emulsion pump in time following secondary problem occur and occur in time: first is that
Emulsion largely leaks, and causes concentrate --- the serious waste of oil emulsion；Second is that emulsion box internal emulsification liquid causes after exhausting
The operation of liquid pump long-time light condition, damages liquid pump component；Third is that needing certain time to liquid case fluid infusion again, influences equipment and open
Probability；Fourth is that the delay processing time leads to secondary accident when encountering the special circumstances such as roof cracking urgent need operation hydraulic support
Occur.
Summary of the invention
For above situation, the purpose of the utility model is to provide a kind of mining explosion-proof type emulsion system energy-saving protective controls
Device processed, when which can not only be when the initial no pressure of system, idle running, being more than rated pressure damage component
It is automatically stopped liquid pump, and can autostop, valve of blinding off a line, reduction emulsion leakage when emulsion is revealed.
The technical solution of the utility model is as follows: mining explosion-proof type emulsion system energy-saving protective controller, including cabinet,
The box house is equipped with a main cavity and an intrinsic safety cavity, and PLC is equipped in main chamber body and flame-proof type emulsifies hydraulic control
System processed, the PLC are equipped with display screen and operation button, and the flame-proof type emulsion control system is connect with PLC signal, institute
Stating flame-proof type emulsion control system includes pressure sensor, and input/output signal line, the master are equipped in the intrinsic safety cavity
Connection of the threading hole for component between main chamber and intrinsic safety chamber is equipped between cavity and intrinsic safety cavity, the side of the cabinet is equipped with
One end of probe tube, the probe tube is equipped with quick connecting interface, the pressure of the probe tube and flame-proof type emulsion control system
Force snesor is connected for detecting the Fluid pressure in sampling pipe.
Preferably, the flame-proof type emulsion control system includes pressure sensor J, relay group, indicator lamp groups and electricity
Magnet valve DC；The relay group include control relay J1, intermediate relay J2, J3, the indicator lamp groups include indicator light X1,
The normally-closed contact PL of X2, X3, the pressure sensor J are connect with intermediate relay J2, normally opened contact PH and intermediate relay J3
Connection, the normally opened contact J3-1 of the normally-closed contact J2-1 and intermediate relay J3 of intermediate relay J2 simultaneously connect rear and control relay
J1 concatenation, control relay J1 normally opened contact J1-1 concatenated with indicator light X1, the normally-closed contact J2-2 of intermediate relay J2 and
Indicator light X2 concatenation, the normally opened contact J3-2 of intermediate relay J3 are connect with indicator light X3, the control relay of the relay group
Device J1, intermediate relay J2, J3 simultaneously connect, and indicator light X1, X2, X3 of indicator lamp groups simultaneously connect, solenoid valve DC and control relay J1
Normally opened contact J1-3 connection, the relay group, indicator lamp groups and solenoid valve simultaneously connect both ends and are respectively connected with power supply U, relay
In the holding circuit of the power-supplying circuit of connecting terminal K1, K2 access control equipment operation of the normally opened contact J1-2 of J1.
Preferably, the sampling pipe is equipped with pressure gauge, the pressure for real time inspection emulsion pump high-pressure system pipeline
Power.
Preferably, switching door is correspondingly arranged on the cabinet with main cavity and intrinsic safety cavity, it is convenient that equipment is examined
It repairs.
Preferably, the bottom of box is equipped with mounting bracket, convenient for the installation of controller.
Preferably, the pressure sensor is 0-70MPa flame-proof mine pressure sensor.
The mining explosion-proof type emulsion system energy-saving protective controller of the utility model, in emulsion pump high-pressure system pipeline
Outlet end high-voltage tube connecting mine explosion-proof type emulsion system energy-saving protective controller probe tube, can according to system reality
Border operation conditions sets the highest operating pressure of system and the minimum pressure of limitation emulsion leakage, and pressure sensor J is from system
Pressure signal is obtained in pressure duct, is converted to electric switch amount signal, controls the working condition of relay group, relay J1's
Normally opened contact J1-2 is accessed in the control loop of the power supply unit of emulsion pump, when system because pipe breakage, sealing element damage
When, a large amount of emulsion leakages and pumping plant failure lead to system, and pressure is more than that setting pressure, no pressure or pressure are lower than setting value
When, J1-2 is opened, and stops emulsion pump power supply unit and connect warning device by J2-2 or J3-2 to show low-pressure failure respectively
Or high pressure failure, the circuit of solenoid valve DC is disconnected by J1-3, solenoid valve is closed, and realizes system electrical pressure protection, automatic
It shuts down, warning function, reaching reduces oil emulsion loss, the safe operation of guarantee emulsion pump, improve Homes Using TV, is energy-saving
Purpose.
The utility model has the beneficial effects that the form of external flame-proof mine pressure sensor is used, this avoid
High pressure in fluid pipeline is introduced into shell, has evaded the leakage situation that pipeline may occur and the device to enclosure interior
Caused by damage, reduce the failure risk of equipment and the design risk of shell, the utility model is to improve emulsion pump hydraulic
While system electrical defencive function, solve coal mine hydraulic supporting concentrate (oil emulsion) leakage loss, conduit failure and
The problem of system large area is paralysed, has good promotion and practical value, and can generate good economy after extensive popularization and application
Benefit and social benefit.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the utility model flame-proof type emulsion control system circuit diagram；
In figure: 1- cabinet；2- main cavity；3- intrinsic safety cavity；4-PLC；5- flame-proof type emulsion control system；6- is shown
Screen；7- operation button；8- pressure sensor；9- threading hole；10- probe tube；The quick connecting interface of 11-；12- mounting bracket.
Specific embodiment
With reference to the accompanying drawing, the technical solution of the utility model is described in detail:
As shown in Figure 1, mining explosion-proof type emulsion system energy-saving protective controller, including cabinet 1, inside the cabinet 1
Equipped with a main cavity 2 and an intrinsic safety cavity 3, it is equipped with PLC4 and flame-proof type emulsion control system 5 in main chamber body 1,
The PLC4 is equipped with display screen 6 and operation button 7, and the flame-proof type emulsion control system 5 is connect with PLC4 signal, described
Flame-proof type emulsion control system 5 includes pressure sensor 8, is equipped with input/output signal line, the master in the intrinsic safety cavity 3
Connection of the threading hole 9 for component between main cavity 2 and intrinsic safety cavity 3, the cabinet 1 are equipped between cavity 2 and intrinsic safety cavity 3
Side be equipped with probe tube 10, one end of the probe tube 10 is equipped with quick connecting interface 11, the probe tube 10 and flame-proof type
The connection of pressure sensor 8 of emulsion control system 5 for detecting the Fluid pressure in probe tube 10, as shown in Fig. 2, it is described every
Quick-fried type emulsion control system includes pressure sensor J, relay group, indicator lamp groups and solenoid valve DC；The relay group packet
Control relay J1, intermediate relay J2, J3 are included, the indicator lamp groups include indicator light X1, X2, X3, the pressure sensor J
Normally-closed contact PL connect with intermediate relay J2, normally opened contact PH is connect with intermediate relay J3, and intermediate relay J2's is normal
Closed contact J2-1 and the normally opened contact J3-1 of intermediate relay J3 are simultaneously concatenated after connecing with control relay J1, control relay J1's
Normally opened contact J1-1 is concatenated with indicator light X1, and the normally-closed contact J2-2 of intermediate relay J2 is concatenated with indicator light X2, intermediate relay
The normally opened contact J3-2 of device J3 is connect with indicator light X3, and the control relay J1 of the relay group, intermediate relay J2, J3 are simultaneously
It connects, indicator light X1, X2, X3 of indicator lamp groups simultaneously connect, and solenoid valve DC is connect with the normally opened contact J1-3 of control relay J1, described
Relay group, indicator lamp groups and solenoid valve simultaneously connect both ends and are respectively connected with power supply U, the terminals of the normally opened contact J1-2 of relay J1
In the holding circuit of the power-supplying circuit of sub- K1, K2 access control equipment operation.
Further, the pressure sensor 8 is 0-70MPa flame-proof mine pressure sensor, and sampling pipe is equipped with
Pressure gauge 12, switching door is correspondingly arranged on the cabinet 1 with main cavity 2 and intrinsic safety cavity 3, and the bottom of box is equipped with installation
Bracket 13.
When it is implemented, according to running situation, setting the highest of system after system wiring is all correctly completed
The minimum pressure of operating pressure and limitation emulsion leakage, is connected by the quick connecting interface 11 of the probe tube 10 outside Flameproof box
Connect the outlet end of emulsion pump high-pressure system pipeline, the pressure sensor 8 connected in 10 internal duct of probe tube is by probe tube 10
It is connect with flame-proof type emulsion control system, presses start button, show emulsion pump working condition on the display screen 6 of PLC
And system pressure, if all in the normal range, showing " system is working properly " on display screen 6, relay J1 is power loss at this time
State, the instruction of indicator light X1 green.
When low pressure alarming point of the system pressure lower than setting, and loine pressure does not reach in control system setting time
It when normal value, if showing " system low-voltage power failure " on display screen 6, only alarms at this time, does not do emulsion pump shutdown action, if aobvious
" system leakage " is shown in display screen 6, and immediately shuts down emulsion pump, at this time the course of work of flame-proof type emulsion control system
It is that the PL point of pressure sensor J disconnects, intermediate relay J2 power loss, while signal is passed to J1, operates normally indicator light X1
Extinguish, low voltage failure indicator light X2 red light lights, while J1 exports fault-signal to PLC, executes shutdown emulsion by PLC
Pump, does Collection and shows in man-machine interface, and exports and give higher level's fault-signal.
When alarm for high voltage point of the system pressure higher than setting, and loine pressure does not reach in control system setting time
When normal value, if showing " system high pressure power failure " on display screen 6, only alarms at this time, do not do emulsion pump shutdown action；If
" system booster is dangerous " is shown on display screen 6, and immediately shuts down emulsion pump, at this time the work of flame-proof type emulsion control system
It is that the PH point of pressure sensor U1 is attracted as process, intermediate relay J3 obtains electric, while signal is passed to J1, operated normally
Indicator light X1 extinguishes, and high voltage fault indicator light X3 red light lights, while J1 exports fault-signal to PLC, executes shutdown by PLC
Emulsion pump does Collection and shows in man-machine interface, and exports and give higher level's fault-signal.
Claims (6)
1. mining explosion-proof type emulsion system energy-saving protective controller, it is characterised in that including cabinet, the box house is equipped with
One main cavity and an intrinsic safety cavity, are equipped with PLC and flame-proof type emulsion control system in main chamber body, on the PLC
Equipped with display screen and operation button, the flame-proof type emulsion control system is connect with PLC signal, and the flame-proof type emulsifies hydraulic control
System processed includes pressure sensor, is equipped with input/output signal line in the intrinsic safety cavity, main chamber body and intrinsic safety cavity it
Between be equipped with connection of the threading hole for component between main chamber and intrinsic safety chamber, the side of the cabinet is equipped with probe tube, the sampling
One end of pipe is equipped with quick connecting interface, and the probe tube connect with the pressure sensor of flame-proof type emulsion control system and is used for
Detect the Fluid pressure in sampling pipe.
2. mining explosion-proof type emulsion system energy-saving protective controller according to claim 1, it is characterised in that it is described every
Quick-fried type emulsion control system includes pressure sensor J, relay group, indicator lamp groups and solenoid valve DC；The relay group packet
Control relay J1, intermediate relay J2, J3 are included, the indicator lamp groups include indicator light X1, X2, X3, the pressure sensor J
Normally-closed contact PL connect with intermediate relay J2, normally opened contact PH is connect with intermediate relay J3, and intermediate relay J2's is normal
Closed contact J2-1 and the normally opened contact J3-1 of intermediate relay J3 are simultaneously concatenated after connecing with control relay J1, control relay J1's
Normally opened contact J1-1 is concatenated with indicator light X1, and the normally-closed contact J2-2 of intermediate relay J2 is concatenated with indicator light X2, intermediate relay
The normally opened contact J3-2 of device J3 is connect with indicator light X3, and the control relay J1 of the relay group, intermediate relay J2, J3 are simultaneously
It connects, indicator light X1, X2, X3 of indicator lamp groups simultaneously connect, and solenoid valve DC is connect with the normally opened contact J1-3 of control relay J1, described
Relay group, indicator lamp groups and solenoid valve simultaneously connect both ends and are respectively connected with power supply U, the terminals of the normally opened contact J1-2 of relay J1
In the holding circuit of the power-supplying circuit of sub- K1, K2 access control equipment operation.
3. mining explosion-proof type emulsion system energy-saving protective controller according to claim 1, it is characterised in that described to take
Sample pipeline is equipped with pressure gauge.
4. mining explosion-proof type emulsion system energy-saving protective controller according to claim 1, it is characterised in that the case
Switching door is correspondingly arranged on main cavity and intrinsic safety cavity on body.
5. mining explosion-proof type emulsion system energy-saving protective controller according to claim 1, it is characterised in that the case
Body bottom is equipped with mounting bracket, convenient for the installation of controller.
6. mining explosion-proof type emulsion system energy-saving protective controller according to claim 1, it is characterised in that the pressure
Force snesor is 0-70MPa flame-proof mine pressure sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821784636.XU CN209356907U (en) | 2018-10-31 | 2018-10-31 | Mining explosion-proof type emulsion system energy-saving protective controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821784636.XU CN209356907U (en) | 2018-10-31 | 2018-10-31 | Mining explosion-proof type emulsion system energy-saving protective controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209356907U true CN209356907U (en) | 2019-09-06 |
Family
ID=67781408
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821784636.XU Expired - Fee Related CN209356907U (en) | 2018-10-31 | 2018-10-31 | Mining explosion-proof type emulsion system energy-saving protective controller |
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| Country | Link |
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| CN (1) | CN209356907U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109613881A (en) * | 2018-10-31 | 2019-04-12 | 山西潞安环保能源开发股份有限公司常村煤矿 | A kind of mining explosion-proof type emulsion system energy-saving protective controller |
-
2018
- 2018-10-31 CN CN201821784636.XU patent/CN209356907U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109613881A (en) * | 2018-10-31 | 2019-04-12 | 山西潞安环保能源开发股份有限公司常村煤矿 | A kind of mining explosion-proof type emulsion system energy-saving protective controller |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190906 |