CN113786744A - Fully-mechanized mining working surface water treatment liquid preparation system and use method - Google Patents
Fully-mechanized mining working surface water treatment liquid preparation system and use method Download PDFInfo
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- CN113786744A CN113786744A CN202111174304.6A CN202111174304A CN113786744A CN 113786744 A CN113786744 A CN 113786744A CN 202111174304 A CN202111174304 A CN 202111174304A CN 113786744 A CN113786744 A CN 113786744A
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Abstract
The invention discloses a fully mechanized mining working face water treatment liquid preparation system and a use method thereof, belonging to the technical field of mining emulsion processing equipment devices; it comprises a raw water pool; the raw water pool is connected with the coarse filter and the booster pump in series in sequence through a connecting pipe and then is connected into the comprehensive water supply purification station; the comprehensive water supply purification station is provided with two outlets which are respectively connected with the automatic liquid preparation device and the emulsion liquid storage tank through high-pressure rubber pipes; the automatic liquid dispenser comprises an outer box body; a liquid preparation water tank connected with the comprehensive water supply purification station is arranged in the inner cavity of the outer box body, and an emulsifying oil tank is also arranged in the box body; the liquid preparation water pump and the liquid preparation oil pump are respectively arranged on a pipeline of the oil-water mixer correspondingly connected with the liquid preparation water tank and the emulsifying oil tank; the output end of the oil-water mixer is connected with an emulsion liquid storage tank; the actions of the liquid-mixing water pump, the liquid-mixing oil pump and the oil-water mixer are all controlled by the PLC controller.
Description
Technical Field
The invention relates to the technical field of mining emulsion processing equipment, in particular to a fully mechanized coal mining working face water treatment liquid preparation system and a using method thereof.
Background
The emulsion has wide application in coal mines, and plays an important role in hydraulic pillars or hydraulic supports, coal mining machines or coal mine transportation equipment; the preparation and purification detection and maintenance of the emulsion are important factors influencing the effectiveness of the emulsion; at present, most domestic coal mines are processed in an artificial ground mixed liquid preparation mode or a manual control liquid preparation mode, and the concentration of emulsion can be ensured by artificial ground mixed liquid preparation, but the relative cleanliness is poor; and the manual control liquid preparation is complicated in operation and difficult to master by an operator, so that the concentration of the emulsion is unreliable. Although some automatic liquid preparation devices exist in the market at present, the devices have the problems of complex control structure, high manual operation cost and difficulty in accurately controlling the concentration of the prepared liquid.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the utility model provides a liquid system is joined in marriage in comprehensive mining working face water treatment to solve the device that automatic liquid of joining in marriage on the current market all has the control structure complicacy in the in-process of using, and manual operation cost is higher, is difficult for controlling the problem of joining in marriage liquid concentration.
In order to solve the problems, the invention provides the following technical scheme:
a fully mechanized mining working surface water treatment liquid preparation system; it comprises a raw water pool; the raw water pool is connected with the coarse filter and the booster pump in series in sequence through a connecting pipe and then is connected into the comprehensive water supply purification station; the comprehensive water supply purification station is provided with two outlets which are respectively connected with the automatic liquid preparation device and the emulsion liquid storage tank through high-pressure rubber pipes;
the automatic liquid dispenser comprises an outer box body; a liquid preparation water tank connected with the comprehensive water supply purification station is arranged in the inner cavity of the outer box body, and an emulsifying oil tank is also arranged in the box body; the liquid preparation water pump and the liquid preparation oil pump are respectively arranged on a pipeline of the oil-water mixer correspondingly connected with the liquid preparation water tank and the emulsifying oil tank; the output end of the oil-water mixer is connected with an emulsion liquid storage tank; the actions of the liquid-mixing water pump, the liquid-mixing oil pump and the oil-water mixer are all controlled by the PLC controller.
The inlet end of the emulsifying oil tank is connected with the oil well pump through a pipeline; liquid level sensors are arranged in the liquid preparation water tank, the emulsified oil tank and the emulsified liquid storage tank, and a ball float valve is also arranged in the liquid preparation water tank; a concentration sensor, a regulating valve and a flowmeter are also arranged on a pipeline between the oil-water mixer and the emulsion liquid storage tank; the sensors are in signal connection with the PLC.
A man-machine interaction panel is also arranged on the outer box body of the automatic liquid dispenser; the human-computer interaction panel is connected with the PLC, and an alarm and an indicator lamp are further integrally arranged on the human-computer interaction panel.
The automatic liquid distributor also comprises an Ethernet switch which can communicate with an upper computer through the Ethernet switch.
The pipeline connecting the comprehensive water supply purification station, the automatic liquid distributor and the emulsion liquid storage tank uses a high-pressure rubber pipe; two pipelines connected at the outlet end of the comprehensive water supply purification station are connected to the liquid preparation water tank and the emulsion liquid storage tank through a four-way joint, and a valve is arranged on the pipeline from the four-way joint to the emulsion liquid storage tank.
The comprehensive coarse filter, the booster pump, the water supply purification station, the automatic liquid distributor and the emulsion liquid storage tank are all uniformly arranged in one operation room.
The PLC is provided with four corresponding liquid level height parameters, namely ultrahigh limit, high limit, low limit and ultralow limit, corresponding to the liquid distribution water tank, the emulsified oil tank and the emulsified liquid storage tank, and can reflect the current liquid level condition and give an alarm on a human-computer interaction panel.
The invention also discloses a use method of the fully mechanized coal mining face water treatment liquid preparation system, which comprises the following steps:
s1, after confirming that the functions of each part of the system are normal, switching on an external power supply;
s2, acquiring water level height information by a liquid level sensor in the liquid distribution water tank and transmitting the information to the PLC; when the water level drops to a specified height, the comprehensive water supply purification station introduces water in the raw water pool through a coarse filter and a booster pump for purification treatment, obtains pure water and then sends the pure water into the liquid preparation water tank for supplementation under the control of a float valve;
s3, acquiring oil level height information by a liquid level sensor in the emulsifying oil tank and transmitting the oil level height information to the PLC; when the oil level is lower than the warning oil level, a user is prompted to fill emulsified oil on a human-computer interaction panel, the user puts an oil pumping pipe into the emulsified oil barrel and then manually controls the starting of an oil well pump through the human-computer interaction panel, the emulsified oil is pumped into an emulsified oil tank, and the oil pumping is finished after the set oil level is reached; when the oil level of the emulsified oil tank is lower than the limit low oil level, a user is prompted to fill the emulsified oil, and the system is locked to prohibit the liquid preparation water pump and the liquid preparation oil pump from starting;
s4, obtaining oil level height information by the liquid level sensor of the emulsion liquid storage tank and transmitting the oil level height information to the PLC; meanwhile, the PLC judges whether the automatic liquid preparation water tank is in an automatic mode or a manual mode at present;
s5, when the automatic mode is adopted, if the medium water level is higher than the low limit of the water tank, the oil level is higher than the ultralow limit of the oil tank, the concentration of the prepared liquid is normal (within the range of 3% -5%), the emulsion liquid storage tank is lower than the low limit of the liquid tank, and the PLC controls the automatic liquid preparation water tank to automatically start to perform liquid preparation treatment; after the automatic liquid preparation is started, when the liquid level of the emulsion liquid storage tank is higher than the high limit or the ultrahigh limit of the liquid tank, or any one of the water level and the oil level is lower than the ultralow limit and the liquid preparation concentration is abnormal for more than 1min, the automatic liquid preparation water tank automatically stops liquid preparation;
s6, when the device is in a manual mode, the PLC judges the corresponding liquid level heights in the liquid preparation water tank, the emulsified oil tank and the emulsified liquid storage tank through the liquid level sensors, and if the water level is greater than the low limit of the water tank, the oil level is greater than the ultralow limit of the oil tank, and the liquid level is lower than the high limit of the liquid tank, the liquid can be prepared manually and pneumatically by a user; after the manual liquid distribution is started, if the liquid level is higher than the high limit or the ultrahigh limit of the liquid tank, or any one of the water level and the oil level is lower than the corresponding ultralow limit, the liquid distribution is automatically stopped.
Preferably, in step S3, if the oil level of the emulsified oil tank rises by less than 1cm after the oil pump is started for 60S, the oil pump is automatically stopped; and when the post-operation of the oil well pump reaches the limited time, the oil well pump automatically stops.
Preferably, still be provided with the maintenance mode gear on the human-computer interaction panel, under maintenance mode gear, the PLC controller can be through the manual control of human-computer interaction panel start-stop of joining in marriage liquid water pump, joining in marriage liquid oil pump, oil-water mixer and oil-well pump.
The invention has the beneficial effects that:
compared with other liquid preparation systems, the invention has the advantages that:
1. the invention realizes the chain flow control of different treatment processes such as water treatment, liquid preparation and the like, so that the treatment conditions of each process are optimal and are controlled in a centralized way, and unattended operation is realized;
2. the invention can effectively reduce underground equipment, is installed and used in fixed places, reduces the difficulty in underground transportation and installation of the equipment and reduces the maintenance distance of professional personnel;
3. the invention realizes centralized liquid supply, one set of equipment can realize centralized liquid supply of a plurality of fully mechanized coal mining working faces, and a plurality of equipment is not required;
4. the emulsion concentration of the liquid preparation system is automatically adjusted without mechanical adjustment, and the high-quality ratio of water quality to concentration can be realized.
Drawings
FIG. 1 is a schematic view of the liquid dispensing system of the present invention;
FIG. 2 is a schematic view of a piping connection structure of the automatic liquid dispenser according to the present embodiment;
FIG. 3 is a schematic diagram showing the layout structure inside the operating room in the present embodiment;
FIG. 4 is a top view of FIG. 3;
FIG. 5 is a schematic external front view of an automatic dispenser;
FIG. 6 is a schematic view showing the connection of electrical components in the present embodiment;
FIG. 7 is a schematic diagram of the wiring of the PLC terminal in the present embodiment;
description of reference numerals: 1. the system comprises a raw water pool, 2, a coarse filter, 3, a booster pump, 4, a water supply purification station, 5, an automatic liquid preparation device, 501, an outer box body, 502, a liquid preparation water tank, 503, an emulsion oil tank, 504, a liquid preparation water pump, 505, a liquid preparation oil pump, 506, an oil-water mixer, 507, a PLC controller, 508, an oil well pump, 509, a human-computer interaction panel, 6, an emulsion liquid storage tank, 7 and an operation room.
Detailed Description
The invention will be further described with reference to the following drawings and specific embodiments:
example (b):
referring to fig. 1, the embodiment provides a liquid preparation system for water treatment of a fully mechanized coal mining face; it comprises a raw water pool 1; the raw water pool 1 is sequentially connected with the coarse filter 2 and the booster pump 3 in series through a connecting pipe and then is connected to the comprehensive water supply purification station 4; the comprehensive water supply purification station 4 is provided with two outlets which are respectively connected with an automatic liquid distributor 5 and an emulsion liquid storage tank 6 through high-pressure rubber pipes;
the automatic liquid dispenser 5 comprises an outer box 501; a liquid preparation water tank 502 connected with the comprehensive water supply purification station 4 is arranged in the inner cavity of the outer box body 501, and an emulsifying oil tank 503 is also arranged in the box body 501; a liquid distribution water pump 504 and a liquid distribution oil pump 505 are respectively arranged on a pipeline of the oil-water mixer 506 correspondingly connected with the liquid distribution water tank 502 and the emulsifying oil tank 503; the output end of the oil-water mixer 506 is connected with the emulsion liquid storage tank 6; the actions of the liquid-mixing water pump 504, the liquid-mixing oil pump 505 and the oil-water mixer 506 are controlled by the PLC 507.
The inlet end of the emulsifying oil tank 503 is connected with the oil well pump 508 through a pipeline; liquid level sensors are arranged in the liquid preparation water tank 502, the emulsified oil tank 503 and the emulsified liquid storage tank 6, and a ball float valve is also arranged in the liquid preparation water tank 502; a concentration sensor, a regulating valve and a flowmeter are also arranged on a pipeline between the oil-water mixer 506 and the emulsion liquid storage tank 6; the sensors are in signal connection with the PLC 507.
A man-machine interaction panel 509 is also arranged on the outer box 501 of the automatic liquid dispenser 5; the human-computer interaction panel 509 is connected with the PLC 507, and an alarm and an indicator lamp are further integrally arranged on the human-computer interaction panel 509.
The automatic liquid dispenser 5 further comprises an ethernet switch which is capable of communicating with an upper computer via the ethernet switch.
The pipeline connecting the comprehensive water supply purification station 4, the automatic liquid distributor 5 and the emulsion liquid storage tank uses a high-pressure rubber pipe; two pipelines connected to the outlet end of the comprehensive water supply purification station 4 are connected to the liquid preparation water tank 502 and the emulsion liquid storage tank 6 through a four-way joint, and a valve is arranged on the pipeline from the four-way joint to the emulsion liquid storage tank 6.
The comprehensive coarse filter 2, the booster pump 3, the water supply purification station 4, the automatic liquid distributor 5 and the emulsion liquid storage tank 6 are all uniformly arranged in an operation room 7.
The corresponding liquid preparation water tank 502, the emulsified oil tank 503 and the emulsified liquid storage tank 6 in the PLC 507 are respectively provided with corresponding four-gear liquid level height parameters, namely ultrahigh limit, high limit, low limit and ultralow limit, and the current liquid level condition can be reflected and an alarm can be given on the human-computer interaction panel 509.
When the liquid preparation system in the present embodiment is used, the following steps may be referred to:
s1, after confirming that the functions of each part of the system are normal, switching on an external power supply;
s2, obtaining water level height information by a liquid level sensor in the liquid preparation water tank 502 and transmitting the information to the PLC 507; when the water level drops to a designated height, the comprehensive water supply purification station 4 introduces water in the raw water pool through the coarse filter 2 and the booster pump 3 for purification treatment, obtains pure water and then sends the pure water into the liquid distribution water tank for supplement under the control of a float valve;
s3, acquiring oil level height information by a liquid level sensor in the emulsifying oil tank 503 and transmitting the oil level height information to the PLC 507; when the oil level is lower than the warning oil level, a user is prompted to fill emulsified oil on the man-machine interaction panel 509, the user manually controls the oil well pump 508 to start through the man-machine interaction panel 509 after the oil pumping pipe is thrown into the emulsified oil barrel, the emulsified oil is pumped into the emulsified oil tank 503, and the oil pumping is finished after the set oil level is reached; when the oil level of the emulsified oil tank 503 is lower than the limit low oil level, a user is prompted to fill the emulsified oil, and the system is locked to prohibit the liquid preparation water pump and the liquid preparation oil pump from starting;
s4, obtaining oil level height information by a liquid level sensor of the emulsion liquid storage tank 6 and transmitting the oil level height information to the PLC 507; meanwhile, the PLC 507 judges whether the automatic liquid preparation water tank 502 is in an automatic mode or a manual mode at present;
s5, when the automatic mode is in, if the middle water level is higher than the low limit of the water tank, the oil level is higher than the ultralow limit of the oil tank, the concentration of the prepared liquid is normally in the range of 3-5%, the emulsified liquid storage tank 6 is lower than the low limit of the liquid tank, and the PLC 507 controls the automatic liquid preparation water tank 502 to be automatically started for liquid preparation treatment; after the automatic liquid preparation is started, when the liquid level of the emulsion liquid storage tank 6 is higher than the liquid tank high limit or the ultrahigh limit, or any one of the water level and the oil level is lower than the ultralow limit and the liquid preparation concentration is abnormal for more than 1min, the automatic liquid preparation water tank 502 automatically stops liquid preparation;
s6, when the device is in a manual mode, the PLC 507 judges the corresponding liquid level heights of the liquid preparation water tank 502, the emulsified oil tank 503 and the emulsified liquid storage tank 6 through the liquid level sensor, if the water level is greater than the low limit of the water tank, the oil level is greater than the ultra-low limit of the oil tank, and the liquid level is lower than the high limit of the liquid tank, the liquid can be prepared manually and pneumatically by users; after the manual liquid distribution is started, if the liquid level is higher than the high limit or the ultrahigh limit of the liquid tank, or any one of the water level and the oil level is lower than the corresponding ultralow limit, the liquid distribution is automatically stopped.
In step S3, if the oil level of the emulsified oil tank 503 rises by less than 1cm after the oil pump 508 is started for 60S, the oil pump is automatically stopped; and when the oil well pump 508 works for a limited time, the oil well pump 508 automatically stops.
An overhaul mode gear is further arranged on the man-machine interaction panel 509, and the PLC 507 can manually control the starting and stopping of the liquid-mixing water pump 504, the liquid-mixing oil pump 505, the oil-water mixer 506 and the oil-well pump 508 through the man-machine interaction panel 509 under the overhaul mode gear.
Claims (10)
1. The utility model provides a combine and adopt working face water treatment liquid preparation system which characterized in that: it comprises a raw water pool (1); the raw water pool (1) is connected with the coarse filter (2) and the booster pump (3) in series in sequence through connecting pipes and then is connected to the comprehensive water supply purification station (4); two outlets are arranged on the comprehensive water supply purification station (4), and the two outlets are respectively connected with an automatic liquid distributor (5) and an emulsion liquid storage tank (6) through high-pressure rubber pipes;
the automatic liquid dispenser (5) comprises an outer box body (501); a liquid preparation water tank (502) connected with the comprehensive water supply purification station (4) is arranged in the inner cavity of the outer box body (501), and an emulsion oil tank (503) is also arranged in the box body (501); a liquid distribution water pump (504) and a liquid distribution oil pump (505) are respectively arranged on a pipeline of an oil-water mixer (506) correspondingly connected with a liquid distribution water tank (502) and an emulsifying oil tank (503); the output end of the oil-water mixer (506) is connected with an emulsion liquid storage tank (6); the actions of the liquid distribution water pump (504), the liquid distribution oil pump (505) and the oil-water mixer (506) are controlled by the PLC (507).
2. The fully mechanized mining face water treatment fluid distribution system of claim 1, wherein: the inlet end of the emulsifying oil tank (503) is connected with an oil well pump (508) through a pipeline; liquid level sensors are arranged in the liquid preparation water tank (502), the emulsified oil tank (503) and the emulsified liquid storage tank (6), and a ball float valve is also arranged in the liquid preparation water tank (502); a pipeline between the oil-water mixer (506) and the emulsion liquid storage tank (6) is also provided with a concentration sensor, a regulating valve and a flowmeter; the sensors are in signal connection with a PLC (507).
3. The fully mechanized mining face water treatment fluid distribution system of claim 1, wherein: a man-machine interaction panel (509) is also arranged on the outer box body (501) of the automatic liquid dispenser (5); the human-computer interaction panel (509) is connected with the PLC controller (507), and an alarm and an indicator lamp are further arranged on the human-computer interaction panel (509) in an integrated mode.
4. The fully mechanized mining face water treatment fluid distribution system of claim 1, wherein: the automatic liquid distributor (5) also comprises an Ethernet switch which can communicate with an upper computer through the Ethernet switch.
5. The fully mechanized mining face water treatment fluid distribution system of claim 1, wherein: the pipeline connecting the comprehensive water supply purification station (4), the automatic liquid distributor (5) and the emulsion liquid storage tank uses a high-pressure rubber pipe; two pipelines connected to the outlet end of the comprehensive water supply purification station (4) are connected to the liquid preparation water tank (502) and the emulsion liquid storage tank (6) through a four-way joint, and a valve is arranged on the pipeline from the four-way joint to the emulsion liquid storage tank (6).
6. The fully mechanized mining face water treatment fluid distribution system of claim 1, wherein: the comprehensive coarse filter (2), the booster pump (3), the water supply purification station (4), the automatic liquid distributor (5) and the emulsion liquid storage tank (6) are all uniformly arranged in an operation room (7).
7. The fully mechanized mining face water treatment fluid distribution system of claim 1, wherein: the PLC (507) is correspondingly provided with four levels of liquid level height parameters, namely an ultrahigh limit, a high limit, a low limit and an ultralow limit, of a liquid preparation water tank (502), an emulsified oil tank (503) and an emulsified liquid storage tank (6), and the current liquid level condition can be reflected on a man-machine interaction panel (509) and an alarm is given.
8. The use method of the fully mechanized mining face water treatment liquid distribution system according to any one of claims 1 to 6, characterized in that: the method comprises the following steps:
s1, after confirming that the functions of each part of the system are normal, switching on an external power supply;
s2, obtaining water level height information by a liquid level sensor in the liquid preparation water tank (502) and transmitting the information to a PLC (507); when the water level drops to a designated height, the comprehensive water supply purification station (4) introduces water in the raw water tank through the coarse filter (2) and the booster pump (3) for purification treatment, and the obtained pure water is sent into the liquid preparation water tank for replenishment under the control of the float valve;
s3, obtaining oil level height information by a liquid level sensor in the emulsified oil tank (503) and transmitting the oil level height information to a PLC (507); when the oil level is lower than the warning oil level, a user is prompted to fill emulsified oil on a human-computer interaction panel (509), the user puts an oil pumping pipe into an emulsified oil barrel and then manually controls an oil well pump (508) to start through the human-computer interaction panel (509), the emulsified oil is pumped into an emulsified oil tank (503), and oil pumping is finished after the set oil level is reached; when the oil level of the emulsified oil tank (503) is lower than the limit low oil level, a user is prompted to fill the emulsified oil, and the system is locked to prohibit the liquid preparation water pump and the liquid preparation oil pump from starting;
s4, obtaining oil level height information by a liquid level sensor of the emulsion liquid storage tank (6) and transmitting the oil level height information to a PLC (507); meanwhile, the PLC (507) judges whether the automatic liquid preparation water tank (502) is in an automatic mode or a manual mode at present;
s5, when the automatic mode is in, if the middle water level is higher than the low limit of the water tank, the oil level is higher than the ultra-low limit of the oil tank, the concentration of the prepared liquid is normal, the emulsion liquid storage tank (6) is lower than the low limit of the liquid tank, and the PLC (507) controls the automatic liquid preparation water tank (502) to be automatically started to perform liquid preparation treatment; after the automatic liquid preparation is started, when the liquid level of the emulsion liquid storage tank (6) is higher than the high limit or the ultrahigh limit of the liquid tank, or any one of the water level and the oil level is lower than the ultralow limit and the concentration of the prepared liquid is abnormal for more than 1min, the automatic liquid preparation water tank (502) automatically stops liquid preparation;
s6, when the device is in a manual mode, the PLC (507) judges the corresponding liquid level heights in the liquid preparation water tank (502), the emulsified oil tank (503) and the emulsified liquid storage tank (6) through the liquid level sensor, if the water level is greater than the low limit of the water tank, the oil level is greater than the ultra-low limit of the oil tank, and the liquid level is lower than the high limit of the liquid tank, the device can be used for manually and pneumatically preparing liquid by a user; after the manual liquid distribution is started, if the liquid level is higher than the high limit or the ultrahigh limit of the liquid tank, or any one of the water level and the oil level is lower than the corresponding ultralow limit, the liquid distribution is automatically stopped.
9. The use method of the fully mechanized mining face water treatment liquid distribution system according to claim 7 is characterized in that: in step S3, if the oil level of the emulsified oil tank (503) rises less than 1cm after the oil pump (508) is started for 60S, the oil pump is automatically stopped; and when the oil well pump (508) works for a limited time, the oil well pump (508) automatically stops.
10. The use method of the fully mechanized mining face water treatment liquid distribution system according to claim 7 is characterized in that: an overhaul mode gear is further arranged on the man-machine interaction panel (509), and the PLC (507) can manually control the starting and stopping of the liquid distribution water pump (504), the liquid distribution oil pump (505), the oil-water mixer (506) and the oil well pump (508) through the man-machine interaction panel (509) under the overhaul mode gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111174304.6A CN113786744A (en) | 2021-10-09 | 2021-10-09 | Fully-mechanized mining working surface water treatment liquid preparation system and use method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111174304.6A CN113786744A (en) | 2021-10-09 | 2021-10-09 | Fully-mechanized mining working surface water treatment liquid preparation system and use method |
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| CN113786744A true CN113786744A (en) | 2021-12-14 |
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| CN202111174304.6A Pending CN113786744A (en) | 2021-10-09 | 2021-10-09 | Fully-mechanized mining working surface water treatment liquid preparation system and use method |
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2021
- 2021-10-09 CN CN202111174304.6A patent/CN113786744A/en active Pending
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