CN113828178A - Intelligent emulsion preparation system - Google Patents
Intelligent emulsion preparation system Download PDFInfo
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- CN113828178A CN113828178A CN202111210281.XA CN202111210281A CN113828178A CN 113828178 A CN113828178 A CN 113828178A CN 202111210281 A CN202111210281 A CN 202111210281A CN 113828178 A CN113828178 A CN 113828178A
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- 239000000839 emulsion Substances 0.000 title claims abstract description 78
- 238000002360 preparation method Methods 0.000 title abstract description 24
- 239000007788 liquid Substances 0.000 claims abstract description 182
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 70
- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 239000012141 concentrate Substances 0.000 claims abstract description 11
- 239000000243 solution Substances 0.000 claims description 41
- 239000011259 mixed solution Substances 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims 1
- 239000002994 raw material Substances 0.000 claims 1
- 239000003245 coal Substances 0.000 abstract description 9
- 238000001514 detection method Methods 0.000 abstract description 6
- 230000008859 change Effects 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The invention discloses an intelligent emulsion liquid preparation system, which relates to the field of coal mines and comprises a concentrated liquid metering mechanism, a clear water flow guide mechanism and an emulsion mixed liquid metering mechanism, wherein a concentrated liquid level meter is fixedly inserted into an inner cavity of a concentrated liquid tank, clear water enters a mixing pipeline after passing through a clear water electric control valve or a clear water electromagnetic valve and is mixed with concentrated liquid flowing out of the concentrated liquid electric control valve, an emulsion liquid level meter is fixedly inserted into an inner cavity of the emulsion liquid tank, and the emulsion tank is connected with the emulsion liquid tank through a pipeline. The system can realize alternate measurement of the concentration of the emulsion in the prepared liquid and the concentration in the emulsion liquid tank through the liquid mixing tank, realize continuous detection of the concentration change of the emulsion, and then carry out adjustment and correction on the concentration by adjusting the opening degree of the concentrate electric control valve, the clear water electric control valve and the like, so that the concentration of the emulsion is maintained in a reasonable range, the double clear water pipelines realize large-flow liquid preparation to meet the requirements of different working environments of a coal mine, and the maintenance cost of equipment is reduced.
Description
Technical Field
The invention relates to the technical field of coal mines, in particular to an intelligent emulsion preparation system.
Background
Coal is used as a main energy source in China, and the development of the coal industry is promoted by the huge coal reserves in China, however, more than 95% of coal mines in China coal mining need to be mined by using hydraulic supports. The importance of the emulsion is self-evident because it is a power source for the hydraulic mount. The emulsion is mainly a product concentrate prepared by proportioning the concentrate and water, wherein the concentrate accounts for 3-5%, but if the concentration is lower than the range, the antirust capacity of equipment and the like are reduced, so that the reliability and the service life of the equipment are seriously influenced, and the reliability is very important. The liquid preparation mode and the system in the current market can not realize balance between cost and performance, and give consideration to real-time liquid preparation concentration adjustment and detection and adjustment of liquid return concentration in an emulsion liquid tank.
Disclosure of Invention
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. In this section, as well as in the abstract and the title of the invention of this application, simplifications or omissions may be made to avoid obscuring the purpose of the section, the abstract and the title, and such simplifications or omissions are not intended to limit the scope of the invention.
The present invention has been made in view of the above and/or other problems with the conventional emulsion dispensing systems.
Therefore, the problem to be solved by the invention is how to provide an intelligent emulsion liquid preparation system.
In order to solve the technical problems, the invention provides the following technical scheme: an intelligent emulsion liquid preparation system comprises,
the concentrated solution metering mechanism comprises a concentrated solution tank, a concentrated solution filter, a gear pump, a safety valve, a concentrated solution one-way valve and a concentrated solution electric control valve, wherein a concentrated solution liquid level meter is fixedly inserted into an inner cavity of the concentrated solution tank;
the clear water guide mechanism comprises a ball valve, a clear water filter, a pressure reducing valve, a clear water one-way valve, a clear water electric control valve and a clear water electromagnetic valve, wherein clear water enters a mixing pipeline after passing through the clear water electric control valve or the clear water electromagnetic valve and is mixed with concentrated liquid flowing out of the concentrated liquid electric control valve;
the emulsified mixed liquid metering mechanism comprises a mixed liquid box and an emulsified liquid box, wherein an emulsified liquid level meter is fixedly inserted into an inner cavity of the emulsified liquid box, and the mixed liquid box is connected with the emulsified liquid box through a pipeline.
Based on the technical characteristics: the system realizes automatic proportioning of the concentrated solution and the clear water, improves the liquid supply quality of the emulsion, improves the efficiency, realizes concentration detection and adjustment of the return liquid of the emulsion liquid tank through an ingenious structure, controls the liquid flow through the electric control valve to prepare the liquid, and realizes high performance with low cost.
As a preferred scheme of the intelligent emulsion liquid preparation system, the intelligent emulsion liquid preparation system comprises the following steps: the liquid inlet pipeline of the liquid mixing box is provided with a liquid inlet electromagnetic valve of the liquid mixing box, the liquid outlet pipeline of the liquid mixing box is provided with an electric control valve of a liquid outlet electromagnetic valve of the liquid mixing box, one end of the liquid mixing box is provided with a centrifugal pump, and a concentration meter is fixedly inserted into the inner cavity of the liquid mixing box.
Based on the technical characteristics: the concentration meter can detect the concentration that gets into the liquid mixing incasement liquid, and the liquid mixing case is equipped with the overflow mouth, and liquid flows into the emulsion liquid case when liquid surpasses the overflow mouth in.
As a preferred scheme of the intelligent emulsion liquid preparation system, the intelligent emulsion liquid preparation system comprises the following steps: the system also comprises a controller which is electrically connected with the concentrated solution metering mechanism, the clear water diversion mechanism and the emulsified mixed solution metering mechanism respectively.
Based on the technical characteristics: the controller can receive and process output signals of the concentrate liquid level meter, the emulsion liquid level meter and the concentration meter sensor and perform real-time control.
As a preferred scheme of the intelligent emulsion liquid preparation system, the intelligent emulsion liquid preparation system comprises the following steps: the controller is used for controlling the opening of the concentrate electric control valve and the clear water electric control valve and the opening and closing of the clear water electromagnetic valve, and the controller can also be used for controlling the starting and stopping of the gear pump and the centrifugal pump.
Based on the technical characteristics: the controller can control the flow of clear water, the concentrated solution pipeline keeps high pressure after the gear pump is started, and the emulsion tank is pumped into the liquid mixing tank after the centrifugal pump is started.
As a preferred scheme of the intelligent emulsion liquid preparation system, the intelligent emulsion liquid preparation system comprises the following steps: the safety valve is used for controlling the pressure of the concentrated liquid in the pipeline, and the clear water one-way valve and the concentrated liquid one-way valve are used for preventing the liquid from flowing backwards.
Based on the technical characteristics: when the pressure exceeds the preset pressure, the concentrated liquid flows back to the concentrated liquid tank through a pipeline.
As a preferred scheme of the intelligent emulsion liquid preparation system, the intelligent emulsion liquid preparation system comprises the following steps: the pressure reducing valve is used for keeping the pressure of clear water constant, the emulsion tank is internally provided with the prepared emulsion and the emulsion circulated by the pump station, and the emulsion level meter is used for detecting the liquid level of the emulsion.
Based on the technical characteristics: the pressure reducing valve can stabilize the flow of clear water within a certain range, the controller controls the gear pump to be started when the emulsion is prepared, the electric control valve of the concentrated solution is opened, the electric control valve of the clear water is opened, the concentrated solution and the clear water are mixed and then enter the emulsion tank, the liquid inlet electromagnetic valve of the liquid mixing tank is opened, the electric control valve of the liquid outlet electromagnetic valve of the liquid mixing tank is closed, and the concentration meter detects the concentration.
The system realizes the automatic proportioning of the concentrated solution and the clear water, improves the liquid supply quality of the emulsion, improves the efficiency, realizes the concentration detection and adjustment of the return liquid of the emulsion tank through an ingenious structure, controls the liquid flow through the electric control valve to carry out liquid preparation, realizes high performance with low cost, realizes the alternate measurement of the concentration of the emulsion in the prepared liquid and the concentration in the emulsion tank through the liquid mixing tank, realizes the continuous detection of the concentration change of the emulsion, and then adjusts and corrects the concentration by adjusting the opening degree of the electric control valve of the concentrated solution and the electric control valve of the clear water, so that the concentration of the emulsion is maintained in a reasonable range, and the double clear water pipelines realize the large-flow liquid preparation to meet the requirements of different working environments of a coal mine, greatly reduces the maintenance cost of equipment and improves the production efficiency.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein:
fig. 1 is a liquid path diagram of an intelligent emulsion liquid preparation system.
Fig. 2 is a top view structural diagram of the intelligent emulsion liquid preparation system.
Fig. 3 is a structure diagram of a liquid mixing box of the intelligent emulsion liquid preparation system.
In the drawings, the components represented by the respective reference numerals are listed below:
100. a concentrate metering mechanism; 101. a concentrated solution tank; 102. a concentrated solution filter; 103. a gear pump; 104. a safety valve; 105. a concentrate check valve; 106. an electric control valve for the concentrated solution; 200. a clear water diversion mechanism; 201. a ball valve; 202. a clear water filter; 203. a pressure reducing valve; 204. a clean water one-way valve; 205. a clean water electric control valve; 206. a clean water electromagnetic valve; 300. an emulsified mixed liquid metering mechanism; 301. a liquid mixing tank; 301a, a liquid inlet electromagnetic valve of the liquid mixing tank; 301b, an electric control valve of a liquid outlet electromagnetic valve of the liquid mixing tank; 301c, a centrifugal pump; 301d, a concentration meter; 302. an emulsion tank; 302a, an emulsion liquid level meter; 400. and a controller.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Furthermore, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Referring to fig. 1 and 2, an intelligent emulsion dispensing system includes,
the concentrated solution metering mechanism 100 comprises a concentrated solution tank 101, a concentrated solution filter 102, a gear pump 103, a safety valve 104, a concentrated solution one-way valve 105 and a concentrated solution electric control valve 106, wherein a concentrated solution liquid level meter 101a is fixedly inserted into an inner cavity of the concentrated solution tank 101;
the clear water diversion mechanism 200 comprises a ball valve 201, a clear water filter 202, a pressure reducing valve 203, a clear water one-way valve 204, a clear water electric control valve 205 and a clear water electromagnetic valve 206, wherein clear water enters a mixing pipeline after passing through the clear water electric control valve 205 or the clear water electromagnetic valve 206 and is mixed with concentrated liquid flowing out of the concentrated liquid electric control valve 106;
the emulsified mixed liquid metering mechanism 300 comprises a mixed liquid tank 301 and an emulsified liquid tank 302, an emulsified liquid level meter 302a is fixedly inserted into an inner cavity of the emulsified liquid tank 302, the mixed liquid tank 301 is connected with the emulsified liquid tank 302 through a pipeline, the system also comprises a controller 400, the controller 400 is respectively electrically connected with the concentrated liquid metering mechanism 100, the clear water diversion mechanism 200 and the emulsified mixed liquid metering mechanism 300, the controller 400 is used for controlling the opening of the concentrated liquid electric control valve 106 and the clear water electric control valve 205 and the opening and closing of the clear water electromagnetic valve 206, the controller 400 can also be used for controlling the starting and stopping of the gear pump 103 and the centrifugal pump 301c, the safety valve 104 is used for controlling the concentrated liquid pressure in the pipeline, the clear water one-way valve 204 and the concentrated liquid one-way valve 105 are used for preventing liquid backflow, the pressure reducing valve 203 is used for keeping the clear water pressure constant, the prepared emulsified liquid and the emulsified liquid circulated back by the pump station are arranged in the emulsified liquid tank 302, and the emulsion level gauge 302a is used to detect the level of the emulsion.
The system realizes the automatic proportioning of the concentrated solution and the clear water, improves the liquid supply quality of the emulsion, improves the efficiency, realizes the concentration detection and adjustment of the return liquid of the emulsion liquid tank 302 through a smart structure, controls the liquid flow through an electric control valve to carry out liquid distribution, realizes high performance with low cost, can receive and process the output signals of the sensors of the concentrated solution liquid level meter 101a, the emulsion liquid level meter 302a and the concentration meter 301d and carry out real-time control by the controller 400, can control the flow of the clear water, ensures that a concentrated solution pipeline keeps high pressure after the gear pump 103 is started, pumps the emulsion liquid tank 302 into the mixed liquid tank 301 after the centrifugal pump 301c is started, returns to the concentrated solution tank 101 through the pipeline when the preset pressure is exceeded, ensures that the clear water flow is stabilized within a certain range by the pressure reducing valve 203, and controls the gear pump 103 to start when the emulsion is prepared, the concentrate electric control valve 106 is opened, the clear water electric control valve 205 is opened, the concentrate and the clear water are mixed and then enter the emulsion liquid tank 302, the liquid inlet electromagnetic valve 301a of the liquid mixing tank is opened, the liquid outlet electromagnetic valve 301b of the liquid mixing tank is closed, and the concentration meter 301d detects the concentration.
Referring to fig. 3, a liquid inlet solenoid valve 301a of the liquid mixing tank is disposed on a liquid inlet pipeline of the liquid mixing tank 301, an electric control valve 301b of the liquid outlet solenoid valve of the liquid mixing tank is disposed on a liquid outlet pipeline of the liquid mixing tank 301, a centrifugal pump 301c is disposed at one end of the liquid mixing tank 301, and a concentration meter 301d is fixedly inserted into an inner cavity of the liquid mixing tank 301.
The concentration meter 301d can detect the concentration of the liquid entering the liquid mixing tank 301, and the liquid mixing tank 301 is provided with an overflow port, and when the liquid exceeds the overflow port, the liquid flows into the emulsion tank 302.
The working principle of the invention is as follows:
the emulsion level meter 302a in the emulsion tank 302 detects that the liquid level is lower than the set liquid level to prepare the liquid, if the liquid level is higher than or equal to the set liquid level, the liquid distribution can not be carried out, when the liquid distribution is started, the gear pump 103 starts the electric control valve 106 of the concentrated liquid to open, the concentrated liquid flows into the mixing pipeline through the pipeline, high-pressure water is arranged in the clean water pipeline, the pressure is stabilized at a set value through the pressure reducing valve 203, the flow of the clear water is prevented from generating large fluctuation, the clear water enters the mixing pipeline after passing through the clear water electric control valve 205 or the clear water electromagnetic valve 206 and is mixed with the concentrated solution, then enters the emulsion tank 302 and enters the liquid mixing tank 301 through the liquid mixing tank liquid inlet solenoid valve 301a, at this time, the electric control valve 301b of the liquid outlet electromagnetic valve of the liquid mixing tank connected to the liquid mixing tank 301 is closed, the prepared emulsion flows into the emulsion tank 302 through the overflow port formed in the liquid mixing tank 301, and the concentration meter 301d detects the concentration of the prepared emulsion.
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (6)
1. The utility model provides an intelligence emulsion system of joining in marriage which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the concentrated solution metering mechanism (100) comprises a concentrated solution tank (101), a concentrated solution filter (102), a gear pump (103), a safety valve (104), a concentrated solution one-way valve (105) and a concentrated solution electric control valve (106), wherein a concentrated solution liquid level meter (101a) is fixedly inserted into an inner cavity of the concentrated solution tank (101);
the clear water diversion mechanism (200) comprises a ball valve (201), a clear water filter (202), a pressure reducing valve (203), a clear water one-way valve (204), a clear water electric control valve (205) and a clear water electromagnetic valve (206), and clear water enters a mixing pipeline after passing through the clear water electric control valve (205) or the clear water electromagnetic valve (206) and is mixed with concentrated liquid flowing out of the concentrated liquid electric control valve (106);
the emulsified liquid mixing metering mechanism (300) comprises a liquid mixing box (301) and an emulsified liquid box (302), an emulsified liquid level meter (302a) is fixedly inserted into an inner cavity of the emulsified liquid box (302), and the liquid mixing box (301) is connected with the emulsified liquid box (302) through a pipeline.
2. The intelligent emulsion dispensing system of claim 1 wherein: the liquid inlet pipeline of the liquid mixing box (301) is provided with a liquid inlet electromagnetic valve (301a) of the liquid mixing box, the liquid outlet pipeline of the liquid mixing box is provided with an electric control valve (301b) of a liquid outlet electromagnetic valve of the liquid mixing box, one end of the liquid mixing box (301) is provided with a centrifugal pump (301c), and a concentration meter (301d) is fixedly inserted into the inner cavity of the liquid mixing box (301).
3. The intelligent emulsion dispensing system of claim 1 wherein: the system also comprises a controller (400), wherein the controller (400) is respectively and electrically connected with the concentrated solution metering mechanism (100), the clear water diversion mechanism (200) and the emulsified mixed solution metering mechanism (300).
4. The intelligent emulsion dispensing system of claim 3 wherein: the controller (400) is used for controlling the opening degrees of the concentrate electric control valve (106) and the clear water electric control valve (205) and the opening and closing of the clear water electromagnetic valve (206), and the controller (400) can also be used for controlling the starting and stopping of the gear pump (103) and the centrifugal pump (301 c).
5. The intelligent emulsion dispensing system of claim 1 wherein: the safety valve (104) is used for controlling the pressure of the concentrated liquid in the pipeline, and the clear water one-way valve (204) and the concentrated liquid one-way valve (105) are used for preventing the liquid from flowing backwards.
6. The intelligent emulsion dispensing system of claim 1 wherein: the pressure reducing valve (203) is used for keeping the pressure of clear water constant, the emulsion which is prepared and circulates back by a pump station is arranged in the emulsion tank (302), and the emulsion liquid level meter (302a) is used for detecting the liquid level of the emulsion.
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Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3172520B1 (en) * | 1999-12-27 | 2001-06-04 | 塚本商事機械株式会社 | Method and apparatus for burning emulsion fuel of fuel oil and water |
CN200963581Y (en) * | 2006-11-03 | 2007-10-24 | 王传路 | Flame-proof type full automatic emulsion proportioning controlling device |
CN201921641U (en) * | 2011-01-25 | 2011-08-10 | 中煤邯郸设计工程有限责任公司 | Emulsion configuration device for coal mine hydraulic parts |
CN102658040A (en) * | 2012-04-25 | 2012-09-12 | 无锡新矿微控电子科技有限公司 | Digital emulsion proportioning device |
CN103100334A (en) * | 2013-02-28 | 2013-05-15 | 徐州五洋科技股份有限公司 | Emulsified liquid supplying system for underground coal mine |
CN205886723U (en) * | 2016-07-28 | 2017-01-18 | 都兰金辉矿业有限公司 | Mining emulsion proportioning system |
CN110252165A (en) * | 2019-07-19 | 2019-09-20 | 辽宁联胜机械制造有限公司 | Emulsion proportioning system |
CN211636052U (en) * | 2019-09-05 | 2020-10-09 | 霍州煤电集团吕临能化有限公司庞庞塔煤矿 | Automatic detection and proportioning device for concentration of mining emulsion |
WO2021004397A1 (en) * | 2019-07-09 | 2021-01-14 | 中国矿业大学 | Large flow valve-pump joint control emulsion pump station and control method therefor |
-
2021
- 2021-10-18 CN CN202111210281.XA patent/CN113828178A/en active Pending
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3172520B1 (en) * | 1999-12-27 | 2001-06-04 | 塚本商事機械株式会社 | Method and apparatus for burning emulsion fuel of fuel oil and water |
CN200963581Y (en) * | 2006-11-03 | 2007-10-24 | 王传路 | Flame-proof type full automatic emulsion proportioning controlling device |
CN201921641U (en) * | 2011-01-25 | 2011-08-10 | 中煤邯郸设计工程有限责任公司 | Emulsion configuration device for coal mine hydraulic parts |
CN102658040A (en) * | 2012-04-25 | 2012-09-12 | 无锡新矿微控电子科技有限公司 | Digital emulsion proportioning device |
CN103100334A (en) * | 2013-02-28 | 2013-05-15 | 徐州五洋科技股份有限公司 | Emulsified liquid supplying system for underground coal mine |
CN205886723U (en) * | 2016-07-28 | 2017-01-18 | 都兰金辉矿业有限公司 | Mining emulsion proportioning system |
WO2021004397A1 (en) * | 2019-07-09 | 2021-01-14 | 中国矿业大学 | Large flow valve-pump joint control emulsion pump station and control method therefor |
CN110252165A (en) * | 2019-07-19 | 2019-09-20 | 辽宁联胜机械制造有限公司 | Emulsion proportioning system |
CN211636052U (en) * | 2019-09-05 | 2020-10-09 | 霍州煤电集团吕临能化有限公司庞庞塔煤矿 | Automatic detection and proportioning device for concentration of mining emulsion |
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