CN114392689A - Automatic emulsion blending system for coal mine and emulsion blending method thereof - Google Patents
Automatic emulsion blending system for coal mine and emulsion blending method thereof Download PDFInfo
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- CN114392689A CN114392689A CN202210244934.4A CN202210244934A CN114392689A CN 114392689 A CN114392689 A CN 114392689A CN 202210244934 A CN202210244934 A CN 202210244934A CN 114392689 A CN114392689 A CN 114392689A
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- liquid
- emulsion
- throttling channel
- liquid mixer
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- 239000000839 emulsion Substances 0.000 title claims abstract description 73
- 239000003245 coal Substances 0.000 title claims abstract description 13
- 238000002156 mixing Methods 0.000 title claims abstract description 13
- 238000000034 method Methods 0.000 title claims description 6
- 239000007788 liquid Substances 0.000 claims abstract description 146
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 61
- 238000010521 absorption reaction Methods 0.000 claims abstract description 26
- 238000002360 preparation method Methods 0.000 claims abstract description 24
- 230000001804 emulsifying effect Effects 0.000 claims description 3
- 238000005065 mining Methods 0.000 description 2
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
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Abstract
The invention discloses an automatic emulsion preparation system for coal mines and a preparation method thereof, wherein the automatic emulsion preparation system comprises a throttling unit and a pilot unit; the throttling unit is composed of a plurality of throttling channels, the pilot unit is composed of a plurality of pilot electromagnetic valves, and the pilot electromagnetic valves respectively and correspondingly control the opening/closing of one throttling channel; a liquid mixer for mixing the emulsified oil and water to prepare emulsion; and a controller for controlling the on/off operation of each pilot solenoid valve and storing relevant data. The invention presets the oil absorption flow and the water pump flow of each throttling channel, the preset water quantity is conveyed into the liquid mixer through the water pump, the corresponding throttling channel is opened according to the concentration ratio of the emulsified oil to the water to convey the emulsified oil into the liquid mixer, the emulsified liquid with the required concentration is obtained after the emulsified liquid is mixed by the liquid mixer, the automatic liquid preparation of the emulsified liquid with various concentrations is realized, the liquid preparation precision and efficiency are high, and the prepared emulsified liquid flow, concentration and pressure data are automatically recorded.
Description
Technical Field
The invention relates to an emulsion for a coal mine, in particular to an automatic emulsion preparation system for the coal mine and a preparation method thereof.
Background
At present, the method for preparing the emulsion (the mixture of the emulsion and the water) for the mine mainly adopts the steps of enabling the emulsion to flow through an electric ball valve to carry out stepless flow regulation and then mixing the emulsion with the water, and has the defects that in the process of preparing the emulsion, the detection fluctuation of emulsion concentration signals is large, and the concentration signals with large fluctuation are fed back to an electric ball valve execution controller, so that the control instruction of the execution controller is inaccurate, the emulsion proportioning concentration is disordered and inaccurate, the precision, the stability and the coal mining quality of mining equipment are greatly reduced, and the use requirement of the equipment under a coal mine cannot be met. Moreover, concentration data in the liquid preparation process is read manually, and automatic feedback and relevant data processing cannot be realized.
Disclosure of Invention
The invention aims to provide an automatic coal mine emulsion liquid preparation system with high liquid preparation accuracy and stable concentration and a liquid preparation method thereof.
In order to achieve the purpose, the invention can adopt the following technical scheme:
the invention discloses an automatic emulsion preparation system for coal mines, which comprises:
the electro-hydraulic flow control valve is composed of a throttling unit and a pilot unit;
the throttling unit is composed of a plurality of throttling channels; the liquid inlet of each throttling channel is respectively communicated with an emulsifying oil tank through a pipeline, and the liquid outlet of each throttling channel is respectively communicated with the first liquid inlet of a liquid mixer through a pipeline;
the pilot unit is composed of a plurality of pilot electromagnetic valves, the number of the pilot electromagnetic valves is consistent with that of the throttling channels, and each pilot electromagnetic valve correspondingly controls the opening/closing of one throttling channel;
the second liquid inlet of the liquid mixer is communicated with the water tank through a water pump, the liquid mixer is used for mixing the entering emulsified oil and water to prepare emulsion, and the emulsion is conveyed to an emulsion storage box through an emulsion pipeline;
and a controller for controlling the on/off operation of each of the pilot solenoid valves and storing relevant data.
Furthermore, an adjustable flowmeter is arranged at the first liquid inlet of the liquid mixer and used for metering the amount of emulsified oil entering the liquid mixer and transmitting metering data to the controller;
a concentration sensor, a gauge and a pressure gauge are arranged on the emulsion pipeline;
the concentration sensor is used for detecting the concentration value of the emulsion in the emulsion pipeline and transmitting the concentration value data to the controller in real time;
the meter is used for metering the flow value of the emulsion pipeline and transmitting the flow value data to the controller in real time;
the pressure gauge is used for detecting a pressure value in the emulsion pipeline and transmitting the pressure value to the controller in real time.
The liquid preparation method for realizing the automatic liquid preparation system comprises the following steps:
presetting each throttle passage's oil absorption flow and water pump flow carry predetermined water yield to in the liquid mixer through the water pump to open corresponding throttle passage according to the concentration ratio of emulsified oil and water and carry the emulsified oil to in the liquid mixer, obtain the emulsion of required concentration after the liquid mixer mixes, and carry to in the emulsion storage box.
Preferably, the throttle passages include first, second, third and fourth throttle passages, opening/closing of which is controlled by a corresponding one of the pilot solenoid valves, respectively;
the oil absorption flow of the first throttling channel is 0.83 liter/minute, and the oil absorption flow and the preset water quantity are mixed in the liquid mixer to form 0.5 percent emulsion;
the oil absorption flow of the second throttling passage is 1.67 liters/minute, and the oil absorption flow and the preset water quantity are mixed in the liquid mixer to form an emulsion with the concentration of 1 percent;
the oil absorption flow of the third throttling channel is 3.34 liters/minute, and the oil absorption flow and the preset water quantity are mixed in the liquid mixer to form emulsion with the concentration of 2 percent;
the oil absorption flow of the fourth throttling channel is 5.01 liters/minute, and the oil absorption flow and the preset water quantity are mixed in the liquid mixer to form emulsion with the concentration of 3 percent.
Further, after the first throttling channel and the fourth throttling channel are opened, the flow of emulsified oil entering the liquid mixer is 5.84 liters/minute, and the emulsified oil and the preset water amount are mixed in the liquid mixer to form emulsified liquid with the concentration of 3.5 percent;
when the second throttling channel and the fourth throttling channel are opened, the flow of emulsified oil entering the liquid mixer is 6.68 liters/minute, and the emulsified oil and the preset water amount are mixed in the liquid mixer to form emulsified liquid with the concentration of 4%;
after the first throttling channel, the second throttling channel and the fourth throttling channel are opened, the flow of emulsified oil entering the liquid mixer is 7.51 liters/minute, and the emulsified oil and the preset water quantity are mixed in the liquid mixer to form emulsified liquid with the concentration of 4.5 percent;
after the third throttling channel and the fourth throttling channel are opened, the flow of the emulsified oil entering the liquid mixer is 8.35 liters/minute, and the emulsified oil and the preset water quantity are mixed in the liquid mixer to form emulsified liquid with the concentration of 5%;
after the first throttling channel, the third throttling channel and the fourth throttling channel are opened, the flow of emulsified oil entering the liquid mixer is 9.18 liters/minute, and the emulsified oil and the preset water quantity are mixed in the liquid mixer to form emulsified liquid with the concentration of 5.5 percent;
after the second throttling channel, the third throttling channel and the fourth throttling channel are opened, the flow of emulsified oil entering the liquid mixer is 10.01 liters/minute, and the emulsified oil and the preset water quantity are mixed in the liquid mixer to form emulsified liquid with the concentration of 6%;
when the first throttling channel, the second throttling channel, the third throttling channel and the fourth throttling channel are opened, the flow of the emulsified oil entering the liquid mixer is 10.85 liters/minute, and the emulsified oil and the preset water are mixed in the liquid mixer to form emulsified liquid with the concentration of 6.5 percent.
The invention has the advantages that the automatic liquid preparation of emulsion with various concentrations is realized, and the liquid preparation precision and efficiency are high; meanwhile, the flow, concentration and pressure data of the prepared emulsion are automatically recorded, so that the safe, stable and efficient operation of coal mine equipment is ensured.
Drawings
FIG. 1 is a schematic view of the liquid dispensing system of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.
In addition, the meaning of "and/or" appearing throughout is to include three juxtapositions, exemplified by "A and/or B," including either the A or B arrangement, or both A and B satisfied arrangement. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
As shown in fig. 1, the automatic emulsion preparation system for coal mine according to the present invention includes:
the electro-hydraulic flow control valve is composed of a throttling unit 1 and a pilot unit 2;
the throttling unit 1 consists of four throttling channels 1.1, 1.2, 1.3 and 1.4; the liquid inlet of each throttling channel is respectively communicated with the emulsifying oil tank 3 through a pipeline, and the liquid outlet of each throttling channel is respectively communicated with the first liquid inlet of the liquid mixer 4 through a pipeline;
the pilot unit 2 is composed of four pilot electromagnetic valves 2.1, 2.2, 2.3 and 2.4, and each pilot electromagnetic valve correspondingly controls the opening/closing of one throttling channel;
the second liquid inlet of the liquid mixer 4 is communicated with the water tank 6 through a water pump 5, the liquid mixer 4 is used for mixing the entering emulsified oil and water to prepare emulsion, and the emulsion is conveyed to an emulsion storage box 8 through an emulsion pipeline 7;
the programmable controller 9 is configured to control the on/off operation of each pilot solenoid valve in accordance with a set program and store relevant data.
An adjustable flowmeter 10 is arranged at a first liquid inlet of the liquid mixer 4, and is used for metering the amount of emulsified oil entering the liquid mixer 4 and transmitting the metering data to a programmable controller 9;
a concentration sensor 11, a gauge 12 and a pressure gauge 13 are arranged on the emulsion pipeline 7; the concentration sensor 11 is used for detecting the concentration value of the emulsion in the emulsion pipeline 7 and transmitting the concentration value data to the programmable controller 9 in real time; the meter 12 is used for metering the flow value in the emulsion pipeline 7 and transmitting the flow value data to the programmable controller 9 in real time; the pressure gauge 13 is used for detecting the pressure value in the emulsion pipeline 7 and transmitting the pressure value to the programmable controller 9 in real time.
The liquid preparation method for realizing the automatic liquid preparation system comprises the following steps:
the oil absorption flow and the water pump flow of the four throttling passages 1.1, 1.2, 1.3 and 1.4 are set, the set water amount is conveyed into the liquid mixer 4 through the water pump 5, the corresponding throttling passages are opened according to the percentage of emulsified oil and water, the emulsified oil is conveyed into the liquid mixer 4 from the negative pressure port A of the throttling unit 1, and the emulsified liquid with the required concentration is obtained after being mixed by the liquid mixer 4 and is conveyed into the emulsified liquid storage box 8.
The concentration of the emulsion designed by the invention is divided into eleven grades, which are respectively as follows: 0.5%, 1%, 2%, 3%, 3.5%, 4%, 4.5%, 5%, 5.5%, 6%, 6.5% l.
Setting the oil absorption flow of the first throttling channel 1.1 to be 0.83 liter/minute, and mixing the oil absorption flow with the preset water quantity in the liquid mixer 4 to form emulsion with the concentration of 0.5 percent;
setting the oil absorption flow of the second throttling channel 1.2 to be 1.67 liters/minute, and mixing the oil absorption flow with the preset water quantity in the liquid mixer 4 to form 1% emulsion;
setting the oil absorption flow of the third throttling channel 1.3 to be 3.34 liters/minute, and mixing the oil absorption flow with the preset water quantity in the liquid mixer 4 to form an emulsion with the concentration of 2 percent;
the oil suction flow of the fourth throttling channel 1.4 is set to be 5.01 liters/minute, and the oil suction flow and the preset water quantity are mixed in the liquid mixer 4 to form emulsion with the concentration of 3 percent.
When the first throttling channel 1.1 and the fourth throttling channel 1.4 are opened, the flow of the emulsified oil entering the liquid mixer 4 is 5.84 liters/minute, and the emulsified oil is mixed with the preset water amount in the liquid mixer 4 to form emulsified liquid with the concentration of 3.5 percent;
when the second throttling channel 1.2 and the fourth throttling channel 1.4 are opened, the flow of emulsified oil entering the liquid mixer is 6.68 liters/minute, and the emulsified oil and the preset water are mixed in the liquid mixer 4 to form emulsified liquid with the concentration of 4 percent;
when the first throttling channel 1.1, the second throttling channel 1.2 and the fourth throttling channel 1.4 are opened, the flow of the emulsified oil entering the liquid mixer 4 is 7.51 liters/minute, and the emulsified oil is mixed with the preset water quantity in the liquid mixer 4 to form emulsified liquid with the concentration of 4.5 percent;
when the third throttling channel 1.3 and the fourth throttling channel 1.4 are opened, the flow of the emulsified oil entering the liquid mixer 4 is 8.35 liters/minute, and the emulsified oil and the preset water are mixed in the liquid mixer 4 to form emulsified liquid with the concentration of 5 percent;
when the first throttling channel 1.1, the third throttling channel 1.3 and the fourth throttling channel 1.4 are opened, the flow of the emulsified oil entering the liquid mixer 4 is 9.18 liters/minute, and the emulsified oil is mixed with the preset water quantity in the liquid mixer 4 to form emulsified liquid with the concentration of 5.5 percent;
when the second throttling channel 1.2, the third throttling channel 1.3 and the fourth throttling channel 1.4 are opened, the flow of the emulsified oil entering the liquid mixer 4 is 10.01 liters/minute, and the emulsified oil is mixed with the preset water quantity in the liquid mixer 4 to form emulsified liquid with the concentration of 6 percent;
when the first throttling channel 1.1, the second throttling channel 1.2, the third throttling channel 1.3 and the fourth throttling channel 1.4 are opened, the flow of the emulsified oil entering the liquid mixer 4 is 10.85 liters/minute, and the emulsified oil is mixed with the preset water quantity in the liquid mixer 4 to form the emulsified liquid with the concentration of 6.5 percent.
For the understanding of the liquid preparation process of the present invention, the emulsion with the preparation concentration of 0.5% with the opening of the first throttling channel 1.1 will be further described as follows:
in the liquid preparation process, the concentration sensor 11 detects the concentration of the emulsion in real time and outputs the concentration to the programmable controller 9, when the detected concentration of the emulsion is less than the set concentration, the programmable controller 9 controls the opening of a pilot port P1 of the pilot unit 2, the emulsion output by the liquid mixer 4 enters the liquid mixer 4 through a port P1, a pilot electromagnetic valve 2.1 and a first throttling channel 1.1 to circulate in a reciprocating manner, and when the concentration of the emulsion reaches 6.5%, the programmable controller 9 controls the opening of a pilot port P1 to be closed, so that the automatic matching of the concentration of the emulsion is completed.
The throttling unit 1 of the invention keeps the delivery of emulsified oil, and the pilot unit 2 keeps the delivery of emulsified liquid, and the two units do not interfere with each other.
Claims (5)
1. An automatic emulsion preparation system for coal mines is characterized by comprising
The electro-hydraulic flow control valve is composed of a throttling unit and a pilot unit;
the throttling unit is composed of a plurality of throttling channels; the liquid inlet of each throttling channel is respectively communicated with an emulsifying oil tank through a pipeline, and the liquid outlet of each throttling channel is respectively communicated with the first liquid inlet of a liquid mixer through a pipeline;
the pilot unit is composed of a plurality of pilot electromagnetic valves, the number of the pilot electromagnetic valves is consistent with that of the throttling channels, and each pilot electromagnetic valve correspondingly controls the opening/closing of one throttling channel;
the second liquid inlet of the liquid mixer is communicated with the water tank through a water pump, the liquid mixer is used for mixing the entering emulsified oil and water to prepare emulsion, and the emulsion is conveyed to an emulsion storage box through an emulsion pipeline;
and a controller for controlling the on/off operation of each of the pilot solenoid valves and storing relevant data.
2. The automatic emulsion blending system for the coal mine according to claim 1, which is characterized in that: an adjustable flowmeter is arranged at a first liquid inlet of the liquid mixer and used for metering the amount of emulsified oil entering the liquid mixer and transmitting metering data to the controller;
a concentration sensor, a gauge and a pressure gauge are arranged on the emulsion pipeline;
the concentration sensor is used for detecting the concentration value of the emulsion in the emulsion pipeline and transmitting the concentration value data to the controller in real time;
the meter is used for metering the flow value of the emulsion pipeline and transmitting the flow value data to the controller in real time;
the pressure gauge is used for detecting a pressure value in the emulsion pipeline and transmitting the pressure value to the controller in real time.
3. A liquid dispensing method for realizing the automatic liquid dispensing system of claim 1, characterized in that:
presetting each throttle passage's oil absorption flow and water pump flow carry predetermined water yield to in the liquid mixer through the water pump to open corresponding throttle passage according to the concentration ratio of emulsified oil and water and carry the emulsified oil to in the liquid mixer, obtain the emulsion of required concentration after the liquid mixer mixes, and carry to in the emulsion storage box.
4. A liquid dispensing method as claimed in claim 3, characterized in that: the throttle passages comprise a first throttle passage, a second throttle passage, a third throttle passage and a fourth throttle passage, and the opening/closing of the first throttle passage, the second throttle passage, the third throttle passage and the fourth throttle passage are respectively controlled by one corresponding pilot electromagnetic valve;
the oil absorption flow of the first throttling channel is 0.83 liter/minute, and the oil absorption flow and the preset water quantity are mixed in the liquid mixer to form 0.5 percent emulsion;
the oil absorption flow of the second throttling passage is 1.67 liters/minute, and the oil absorption flow and the preset water quantity are mixed in the liquid mixer to form an emulsion with the concentration of 1 percent;
the oil absorption flow of the third throttling channel is 3.34 liters/minute, and the oil absorption flow and the preset water quantity are mixed in the liquid mixer to form emulsion with the concentration of 2 percent;
the oil absorption flow of the fourth throttling channel is 5.01 liters/minute, and the oil absorption flow and the preset water quantity are mixed in the liquid mixer to form emulsion with the concentration of 3 percent.
5. The liquid preparation method according to claim 4, characterized in that:
when the first throttling channel and the fourth throttling channel are opened, the flow of emulsified oil entering the liquid mixer is 5.84 liters/minute, and the emulsified oil and the preset water amount are mixed in the liquid mixer to form emulsified liquid with the concentration of 3.5 percent;
when the second throttling channel and the fourth throttling channel are opened, the flow of emulsified oil entering the liquid mixer is 6.68 liters/minute, and the emulsified oil and the preset water amount are mixed in the liquid mixer to form emulsified liquid with the concentration of 4%;
after the first throttling channel, the second throttling channel and the fourth throttling channel are opened, the flow of emulsified oil entering the liquid mixer is 7.51 liters/minute, and the emulsified oil and the preset water quantity are mixed in the liquid mixer to form emulsified liquid with the concentration of 4.5 percent;
after the third throttling channel and the fourth throttling channel are opened, the flow of the emulsified oil entering the liquid mixer is 8.35 liters/minute, and the emulsified oil and the preset water quantity are mixed in the liquid mixer to form emulsified liquid with the concentration of 5%;
after the first throttling channel, the third throttling channel and the fourth throttling channel are opened, the flow of emulsified oil entering the liquid mixer is 9.18 liters/minute, and the emulsified oil and the preset water quantity are mixed in the liquid mixer to form emulsified liquid with the concentration of 5.5 percent;
after the second throttling channel, the third throttling channel and the fourth throttling channel are opened, the flow of emulsified oil entering the liquid mixer is 10.01 liters/minute, and the emulsified oil and the preset water quantity are mixed in the liquid mixer to form emulsified liquid with the concentration of 6%;
when the first throttling channel, the second throttling channel, the third throttling channel and the fourth throttling channel are opened, the flow of the emulsified oil entering the liquid mixer is 10.85 liters/minute, and the emulsified oil and the preset water are mixed in the liquid mixer to form emulsified liquid with the concentration of 6.5 percent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210244934.4A CN114392689A (en) | 2022-03-14 | 2022-03-14 | Automatic emulsion blending system for coal mine and emulsion blending method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210244934.4A CN114392689A (en) | 2022-03-14 | 2022-03-14 | Automatic emulsion blending system for coal mine and emulsion blending method thereof |
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|---|---|---|---|---|
| CN201997300U (en) * | 2011-02-10 | 2011-10-05 | 中国矿业大学 | Device for remotely controlling automatic proportioning of emulsified liquid |
| US20150165403A1 (en) * | 2012-05-29 | 2015-06-18 | J. Wagner Ag | Method and device for mixing at least two liquid components |
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Effective date of registration: 20220713 Address after: 450016 No.167, 9th Street, Zhengzhou area (Jingkai), Zhengzhou pilot Free Trade Zone, Henan Province Applicant after: HYDRAULIC & ELECTRIC CONTROL EQUIPMENT CO LTD ZHENGZHOU COAL MINING MACHINERY GROUP Co.,Ltd. Address before: No.167, 9th Street, Zhengzhou Economic and Technological Development Zone, Henan Province, 450016 Applicant before: ZHENGZHOU COAL MINING MACHINERY GROUP Co.,Ltd. Applicant before: HYDRAULIC & ELECTRIC CONTROL EQUIPMENT CO LTD ZHENGZHOU COAL MINING MACHINERY GROUP Co.,Ltd. |
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Address after: 450016 No.167, 9th Street, Zhengzhou area (Jingkai), Zhengzhou pilot Free Trade Zone, Henan Province Applicant after: Zhengzhou Hengda Intelligent Control Technology Co.,Ltd. Address before: 450016 No.167, 9th Street, Zhengzhou area (Jingkai), Zhengzhou pilot Free Trade Zone, Henan Province Applicant before: HYDRAULIC & ELECTRIC CONTROL EQUIPMENT CO LTD ZHENGZHOU COAL MINING MACHINERY GROUP Co.,Ltd. |