CN210564635U - Foam dust suppression system - Google Patents
Foam dust suppression system Download PDFInfo
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- CN210564635U CN210564635U CN201921646187.7U CN201921646187U CN210564635U CN 210564635 U CN210564635 U CN 210564635U CN 201921646187 U CN201921646187 U CN 201921646187U CN 210564635 U CN210564635 U CN 210564635U
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Abstract
The utility model relates to a mine presses down the dirt field, especially relates to a foam presses down dirt system. The foam dust suppression system comprises a foam generating assembly, an air supply assembly, a mixed liquid medicine supply assembly and a liquid level detection assembly. Wherein, the foam generating assembly comprises a foam generator, the mixed liquid medicine supply assembly is communicated with the foam generator, and the mixed liquid medicine supply assembly is used for supplying the mixed liquid medicine to the foam generator. The liquid level detection assembly is used for detecting the liquid level of the mixed liquid medicine in the foam generator and controlling the liquid level in the foam generator to reach a preset height. The air supply assembly is communicated with the foam generator, an air blowing opening of the air supply assembly is positioned below the preset liquid level height of the foam generator, and the air supply assembly can supply air with a preset pressure value to the foam generator. Because the air pressure at the air blowing port of the foam dust suppression system and the liquid level of the mixed liquid medicine in the foam generator are fixed, the foaming efficiency of the foam generator is improved, and the dust suppression effect of the foam dust suppression system is enhanced.
Description
Technical Field
The utility model relates to a mine presses down the dirt field, especially relates to a foam presses down dirt system.
Background
A large amount of harmful dust is generated in the mining process, and the physical and psychological health of operators and the safety production of enterprises are seriously influenced.
One of the dust suppression technologies widely used at present is a dust suppression technology that prevents dust from diffusing by mixing air and a foaming agent in a foaming device to generate a large amount of foam and utilizing the characteristic that the foam can well cover, wet and adhere to dust. The amount of foam generated by the foaming device is related to the air pressure of the foaming liquid medicine introduced and the hydraulic pressure of the foaming liquid medicine at the air blowing port, the quantity of the bubbles generated by matching different air pressures and different hydraulic pressures is different, and the hydraulic pressure of the foaming liquid medicine at the air blowing port is related to the liquid level of the mixed liquid medicine, so that more bubbles can be generated by selecting better air pressure and mixed liquid medicine liquid level height, and the air pressure and the liquid level height are fixed in the foaming process, so that a better dust suppression effect can be achieved. However, in the conventional foam dust suppression system, the air pressure and the liquid level of the mixed liquid medicine are not fixed in the foaming process, so that the foaming efficiency is poor, and the dust suppression effect of the foam dust suppression system is influenced.
Therefore, a new foam dust suppression system is needed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a foam presses down dirt system, this foam presses down dirt system can realize higher foaming efficiency and better dust suppression effect.
To achieve the purpose, the utility model adopts the following technical proposal:
a foam dust suppression system comprising: a foam generating assembly comprising a foam generator; a mixed medical fluid supply assembly in communication with the foam generator and configured to supply a mixed medical fluid to the foam generator; the liquid level detection assembly is configured to detect the liquid level of the mixed liquid medicine in the foam generator and control the liquid level to reach a preset height; and the air supply assembly is communicated with the foam generator, an air blowing opening of the air supply assembly is positioned below the preset height, and the air supply assembly is configured to supply air with a preset pressure value to the foam generator.
Optionally, the liquid level detection assembly comprises: the upper end of the communicating pipe is communicated with the gas supply assembly, and the lower end of the communicating pipe is communicated with the foam generator; and the liquid level sensor is arranged on the communicating pipe and is configured to detect the liquid level of the mixed liquid medicine in the communicating pipe and control the liquid level to reach a preset height.
Optionally, the gas supply assembly comprises: a gas source; the air pump is communicated with the air source; and one end of the air supply pipe is communicated with the air pump, and the other end of the air supply pipe is communicated with the foam generator.
Optionally, the gas supply assembly further comprises: the gas supply valve is arranged on the gas supply pipe and is configured to control the on-off of gas in the gas supply pipe; a pressure regulating valve disposed on the air supply tube and configured to regulate an air pressure within the air supply tube to a preset pressure value.
Optionally, the mixed medical fluid supply assembly includes: a water tank; one end of the liquid supply pipe is communicated with the water tank, and the other end of the liquid supply pipe is communicated with the foam generator; a dosing device in communication with the supply tube, the dosing device configured to output a medical fluid to the supply tube.
Optionally, the mixed medical fluid supply assembly further comprises: and the mixed liquid medicine inlet solenoid valve is arranged on the liquid supply pipe and is configured to control whether the mixed liquid medicine in the liquid supply pipe flows into the foam generator or not according to the liquid level of the mixed liquid medicine in the foam generator detected by the liquid level detection assembly.
Optionally, the mixed medical fluid supply assembly further comprises: a power device disposed on the liquid supply tube, the power device being configured to deliver the mixed liquid medicine in the liquid supply tube into the foam generator.
Optionally, the medicated device comprises: a medicine box configured to store a raw medicine liquid; and the input end of the medicine feeding pump is communicated with the medicine box, and the output end of the medicine feeding pump is communicated with the liquid supply pipe.
Optionally, the foam generating assembly further comprises a pressure relief device, and the pressure relief device is arranged at the top end of the foam generator.
Optionally, the foam dust suppression system further comprises: the foam storage device is communicated with the foam generator; a plurality of foam dust suppression spray heads in communication with the foam storage device, the foam dust suppression spray heads configured to spray foam in the foam storage device to a predetermined location.
This use neotype beneficial effect lies in:
the utility model provides a foam presses down dirt system. Because the gas supply assembly supplies gas with a preset pressure value into the foam generator, and the liquid level detection assembly detects the liquid level of the mixed liquid medicine in the foam generator and controls the liquid level of the mixed liquid medicine to reach a preset height, the air pressure at the air blowing port and the liquid level of the mixed liquid medicine in the foam generator are fixed in the foaming process, so that the foaming efficiency of the foam generator is improved, and the dust suppression effect of the foam dust suppression system is enhanced.
Drawings
FIG. 1 is a schematic structural view of a foam dust suppression system provided by the present invention;
fig. 2 is a schematic diagram of a foam dust suppression system provided by the present invention.
In the figure:
1-a foam generating assembly; 11-a foam generator; 12-a pressure relief device;
2-a gas supply assembly; 21-an air supply valve; 22-a pressure regulating valve; 23-a gas supply tube;
3-a mixed liquor supply assembly; 31-mixed liquid medicine inlet electromagnetic valve; 32-a power plant; 33-a water tank; 34-a supply tube; 35-a dosing device; 36-a liquid supply one-way valve;
4-a liquid level detection assembly; 41-communicating pipe; 42-a liquid level sensor;
5-a foam storage device; 6-foam dust suppression spray head.
Detailed Description
In order to make the technical problem solved by the present invention, the technical solution adopted by the present invention and the technical effect achieved by the present invention clearer, the technical solution of the present invention will be further explained by combining the drawings and by means of the specific implementation manner.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
One of the foam dust suppression technologies is a dust suppression technology widely adopted at present, and the air pressure and the liquid level height of the mixed liquid medicine cannot be fixed in the foaming process, so that the foaming efficiency is poor, and the dust suppression effect of a foam dust suppression system is influenced.
As shown in FIG. 1 and FIG. 2, the utility model provides a foam dust suppression system, which can realize higher foaming efficiency and has stronger dust suppression effect. The foam dust suppression system comprises a foam generating assembly 1, an air supply assembly 2, a mixed liquid medicine supply assembly 3 and a liquid level detection assembly 4. Wherein, the subassembly 1 takes place for the foam is linked together with air feed subassembly 2 and mixed liquid medicine supply assembly 3, and the subassembly 1 is taken place for the emergence of foam to take place to provide the place, and air feed subassembly 2 is used for taking place the gas of the pressure value of predetermineeing to the foam to assembly 1 supply, mixes liquid medicine supply assembly 3 and is used for taking place the subassembly 1 to supply to the foam and mixes the liquid medicine, and liquid level detection subassembly 4 is used for detecting and controlling the liquid level of the mixed liquid medicine in the subassembly 1 to predetermineeing the height. Specifically, the foam generating assembly 1 includes a foam generator 11, and the foam generator 11 is a tank. The gas supply assembly 2 is communicated with the foam generator 11, the gas supply assembly 2 is used for supplying gas with a preset pressure value to the foam generator 11, and a gas blowing opening of the gas supply assembly 2 is positioned below the preset liquid level height of the foam generator 11. The mixed chemical supply unit 3 communicates with the bubble generator 11, and the mixed chemical supply unit 3 supplies the mixed chemical to the bubble generator 11. The liquid level detection assembly 4 is used for detecting the liquid level of the mixed liquid medicine in the foam generator 11 and controlling the liquid level in the foam generator 11 to reach a preset height. In the foam generating process, the gas supplied by the gas supply assembly 2 and the mixed liquid medicine supplied by the mixed liquid medicine supply assembly 3 are mixed in the foam generator 11, and the foaming process is realized. Because in the foam generating process, the liquid level detecting component 4 detects and controls the liquid level in the foam generator 11 to reach the preset height, and the gas supply component 2 supplies gas with the preset pressure value to the foam generator 11, the fixation of the air pressure at the air blowing port and the liquid level height of the mixed liquid medicine in the foam generator 11 in the foaming process is realized, the foaming efficiency of the foam generator 11 is improved, and the dust suppression effect of the foam dust suppression system is enhanced.
As shown in fig. 1, the air supply assembly 2 includes an air supply, an air pump, and an air supply pipe 23. Wherein, the air source is an air storage tank, and the air pump is a constant pressure air pump. The air pump is communicated with the air source, one end of the air supply pipe 23 is communicated with the air pump, and the other end of the air supply pipe 23 is communicated with the foam generator 11. The air pumped by the air pump from the air source is introduced into the air supply pipe 23, and the air enters the foam generator 11 through the air supply pipe 23, so that the air supply in the foaming process is ensured.
In order to ensure controllability of the supply of the air supply assembly 2, the air supply pipe 23 is provided with an air supply valve 21. The air supply valve 21 is an electromagnetic valve. The air supply valve 21 can control the on-off of the air passage of the air supply pipe 23, thereby realizing the control of the existence of the air entering the foam generator 11. The air supply pipe 23 is also provided with a pressure regulating valve 22. The pressure regulating valve 22 can regulate the pressure of the gas in the gas supply pipe 23 to a preset value, thereby ensuring that the pressure of the gas input into the foam generator 11 is controllable.
The mixed chemical supplying assembly 3 includes a water tank 33, a liquid supplying tube 34, and a chemical adding device 35. Wherein, the water tank 33 and the dosing device 35 are both communicated with the liquid supply pipe 34, and the liquid supply pipe 34 is communicated with the foam generator 11. The water tank 33 feeds clear water into the liquid supply pipe 34, the dosing device 35 feeds original liquid medicine into the liquid supply pipe 34, and the clear water and the original liquid medicine are mixed in the liquid supply pipe 34 to form mixed liquid medicine. Since the liquid supply pipe 34 is communicated with the foam generator 11, the mixed liquid medicine can flow into the foam generator 11 from the liquid supply pipe 34, and the effect that the mixed liquid medicine is introduced into the foam generator 11 by the mixed liquid medicine supply assembly 3 is realized.
Further, the mixed chemical supply unit 3 includes a mixed chemical solenoid valve 31. The mixed chemical solution inlet solenoid valve 31 is provided on the liquid supply pipe 34, and the mixed chemical solution inlet solenoid valve 31 is a solenoid valve. The mixed chemical supply solenoid valve 31 controls the opening and closing of the liquid supply tube 34, and controls the supply of the mixed chemical to the foam generator 11 from the mixed chemical supply unit 3.
In order to mix the clean water and the original liquid medicine according to a certain proportion, the water tank 33 is connected with an external water inlet pipe, a ball float valve is arranged in the water tank 33, so that the water tank 33 outputs water flow at a constant pressure, and the water quantity entering the liquid supply pipe 34 in unit time is controllable. The dosing device 35 comprises a medicine box and a dosing pump, wherein the input end of the dosing pump is communicated with the medicine box, and the output end of the dosing pump is communicated with the liquid supply pipe 34. The dosing pump is driven by a speed regulating motor, and the rotating speed of the speed regulating motor can be regulated according to the water quantity entering the liquid supply pipe 34 in unit time, so that the liquid medicine output quantity of the dosing pump in unit time is regulated, and the clear water and the original liquid medicine are mixed according to a certain proportion.
Preferably, in order to make it easier for the mixed medical fluid to enter the bubble generator 11 from the mixed medical fluid supply unit 3, the mixed medical fluid supply unit 3 further includes a power unit 32. The power plant 32 is a self-priming constant pressure pump. The power device 32 is disposed on the liquid supply pipe 34, and the power device 32 provides power to the mixed liquid medicine, so that the mixed liquid medicine in the liquid supply pipe 34 is more easily delivered into the foam generator 11.
Further, the supply pipe 34 is provided with a supply check valve 36. The liquid supply check valve 36 can prevent the mixed liquid medicine in the liquid supply pipe 34 from flowing back, so that the mixed liquid medicine can keep flowing in one direction.
The liquid level detection assembly 4 includes a communication pipe 41 and a liquid level sensor 42. Wherein, the upper end of the communicating pipe 41 is communicated with the air supply pipe 23 of the air supply assembly 2, and the lower end of the communicating pipe 41 is communicated with the foam generator 11. The communicating pipe 41 and the foam generator 11 form a communicating pipe-like structure, so that the liquid level height in the foam generator 11 corresponds to the liquid level height in the communicating pipe 41 one by one.
Preferably, the connection point between the connection pipe 41 and the air supply assembly 2 is located downstream of the pressure regulating valve 22 in the air flow direction, so as to ensure that the air pressure in the connection pipe 41 is the same as the air pressure introduced into the foam generator 11 by the air supply pipe 23, and the liquid level in the connection pipe 41 can more clearly represent the ratio of the hydraulic pressure and the air pressure at the air blowing port in the foam generator 11.
The liquid level sensor 42 is provided on the communication pipe 41. The level sensor 42 is a level switch. The level sensor 42 is electrically connected to both the air supply valve 21 and the mixed chemical solution inlet solenoid valve 31. The liquid level sensor 42 is used for detecting the liquid level of the mixed liquid medicine in the communicating pipe 41, and the specific working process is as follows: when the liquid level sensor 42 detects that the liquid level in the communicating pipe 41 is lower than the preset height, the liquid level sensor 42 controls the air supply valve 21 to be closed, the liquid medicine inlet and mixing electromagnetic valve 31 is still in an open state at the moment, and the liquid level sensor 42 controls the air supply valve 21 to be opened until the liquid level in the communicating pipe 41 reaches the preset height, so that the liquid level is kept at the preset height; when the liquid level sensor 42 detects that the liquid level in the communicating pipe 41 is higher than the preset height, the liquid level sensor 42 controls the mixed liquid medicine inlet electromagnetic valve 31 to be closed, the air supply valve 21 is still in an open state at the moment, so that the liquid level is restored to the preset height, and the liquid level sensor 42 controls the mixed liquid medicine inlet electromagnetic valve 31 to be opened again, so that the liquid level is kept at the preset height. The specific structure and control mode of the liquid level switch are conventional in the art, and can be understood by those skilled in the art.
Preferably, in order to ensure safety during operation of the foam generating assembly 1, the foam generating assembly 1 further comprises a pressure relief device 12. The pressure relief device 12 is a pressure relief valve. The pressure relief device 12 is arranged at the top end of the foam generator 11, and the pressure relief device 12 is communicated with the foam generator 11. When abnormal high air pressure occurs in the foam generator 11, the pressure relief device 12 is opened to relieve the pressure, so that the air pressure in the foam generator 11 is reduced, and the production safety is ensured.
As shown in fig. 2, the foam dust suppression system provided by the present invention further comprises a foam storage device 5 and a plurality of foam dust suppression nozzles 6. The foam storage device 5 is communicated with the foam generator 11, the plurality of foam dust suppression spray heads 6 are communicated with the foam storage device 5, and the foam dust suppression spray heads 6 are used for spraying foam in the foam storage device 5 to a preset position. Specifically, the foam storage device 5 may be a box or a tank, and the foam generated by the foam generator 11 may be stored in the foam storage device 5. When foam dust suppression is needed, foam in the foam storage device 5 can be directly output to a preset position through the foam dust suppression spray head 6 without waiting for the foam generator 11 to generate foam again, so that the foam is convenient to output. The foam dust suppression spray heads 6 can spray foam in the foam storage device 5 to preset positions, and the plurality of foam dust suppression spray heads 6 can spray foam to a plurality of positions simultaneously, so that a better dust suppression effect is realized.
For convenient understanding, the utility model discloses a principle does: opening a foam dust suppression system, opening an electromagnetic valve 31 for feeding mixed liquid medicine, supplying water to a liquid supply pipe 34 at constant pressure by a water tank 33, adding original liquid medicine into the liquid supply pipe 34 by a medicine adding device 35 according to the water supply amount of the water tank 33 in unit time according to a preset proportion, mixing clean water and the original liquid medicine into the mixed liquid medicine in the liquid supply pipe 34, enabling the mixed liquid medicine to enter a foam generator 11 after increasing power by a power device 32, enabling a gas supply valve 21 to be in a closed state, enabling the liquid level in the foam generator 11 to gradually rise, enabling the liquid level in a communication pipe 41 to correspondingly rise, controlling to open the gas supply valve 21 by a liquid level sensor 42 when the liquid level rises to a preset height, enabling gas from an air pump in an air supply pipe 23 to be introduced into the foam generator 11 through an air blowing port after the air pressure is adjusted to a preset pressure value by a pressure adjusting valve 22, enabling foam to be generated in the foam generator, and then output to a predetermined position through the foam dust suppression spray head 6. During the operation of the foam dust suppression system, the air supply valve 21 and the mixed liquid medicine inlet electromagnetic valve 31 are kept in an open state. When the liquid level sensor 42 detects that the liquid level in the communicating pipe 41 is lower than the preset height, the liquid level sensor 42 controls the air supply valve 21 to be closed, so that the liquid level in the communicating pipe 41 reaches the preset height, and the liquid level sensor 42 controls the air supply valve 21 to be opened again, so that the liquid level is kept at the preset height; when the liquid level sensor 42 detects that the liquid level in the communicating pipe 41 is higher than the preset height, the liquid level sensor 42 controls the mixed liquid medicine electromagnetic valve 31 to be closed, so that the liquid level is restored to the preset height, and the liquid level sensor 42 controls the mixed liquid medicine electromagnetic valve 31 to be opened again, so that the liquid level is kept at the preset height.
The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.
Claims (10)
1. A foam dust suppression system, comprising:
a foam generating assembly (1) comprising a foam generator (11);
a mixed medical fluid supply assembly (3) communicating with the foam generator (11), the mixed medical fluid supply assembly (3) being configured to supply a mixed medical fluid to the foam generator (11);
a liquid level detection assembly (4) configured to detect a liquid level of the mixed liquid medicine in the foam generator (11) and control the liquid level to reach a preset height; and
air feed subassembly (2), with foam generator (11) are linked together, the mouth of blowing of air feed subassembly (2) is located below the preset height, air feed subassembly (2) be configured as to foam generator (11) supply with the gas of preset pressure value.
2. A foam dust suppression system according to claim 1, wherein the liquid level detection assembly (4) comprises:
the upper end of the communicating pipe (41) is communicated with the gas supply assembly (2), and the lower end of the communicating pipe (41) is communicated with the foam generator (11); and
and the liquid level sensor (42) is arranged on the communication pipe (41) and is configured to detect the liquid level of the mixed liquid medicine in the communication pipe (41) and control the liquid level to reach a preset height.
3. A foam dust suppression system according to claim 1, characterized in that the air supply assembly (2) comprises:
a gas source;
the air pump is communicated with the air source;
the air supply pipe (23), air supply pipe (23) one end with the air pump is linked together, air supply pipe (23) other end with foam generator (11) are linked together.
4. A foam dust suppression system according to claim 3, characterized in that the air supply assembly (2) further comprises:
the gas supply valve (21) is arranged on the gas supply pipe (23), and the gas supply valve (21) is configured to control the on-off of gas in the gas supply pipe (23);
a pressure regulating valve (22) disposed on the air supply pipe (23), the pressure regulating valve (22) configured to regulate air pressure within the air supply pipe (23) to a preset pressure value.
5. A foam dust suppression system according to claim 1, wherein the mixed liquid medicine supply assembly (3) includes:
a water tank (33);
a liquid supply pipe (34) having one end communicating with the water tank (33) and the other end communicating with the foam generator (11);
a dosing device (35) in communication with the supply tube (34), the dosing device (35) configured to output a medical fluid to the supply tube (34).
6. A foam dust suppression system according to claim 5, wherein said mixed liquor supply assembly (3) further comprises:
and the mixed liquid medicine inlet solenoid valve (31) is arranged on the liquid supply pipe (34), and the mixed liquid medicine inlet solenoid valve (31) is configured to control whether the mixed liquid medicine in the liquid supply pipe (34) flows into the foam generator (11) or not according to the liquid level of the mixed liquid medicine in the foam generator (11) detected by the liquid level detection component (4).
7. A foam dust suppression system according to claim 5, wherein said mixed liquor supply assembly (3) further comprises:
a power device (32) disposed on the liquid supply pipe (34), the power device (32) being configured to deliver the mixed liquid medicine in the liquid supply pipe (34) into the foam generator (11).
8. A foam dust suppression system according to any one of claims 5-7, characterized in that said dosing device (35) comprises:
a medicine box configured to store a raw medicine liquid;
and the input end of the medicine feeding pump is communicated with the medicine box, and the output end of the medicine feeding pump is communicated with the liquid supply pipe (34).
9. A foam dust suppression system according to claim 1, characterized in that said foam generating assembly (1) further comprises a pressure relief device (12), said pressure relief device (12) being arranged at the top end of said foam generator (11).
10. The foam dust suppression system of claim 1, further comprising:
a foam storage device (5) in communication with the foam generator (11);
a plurality of foam dust suppression sprayers (6) in communication with the foam storage device (5), the foam dust suppression sprayers (6) configured to spray foam in the foam storage device (5) to a predetermined location.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921646187.7U CN210564635U (en) | 2019-09-29 | 2019-09-29 | Foam dust suppression system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921646187.7U CN210564635U (en) | 2019-09-29 | 2019-09-29 | Foam dust suppression system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210564635U true CN210564635U (en) | 2020-05-19 |
Family
ID=70629272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921646187.7U Active CN210564635U (en) | 2019-09-29 | 2019-09-29 | Foam dust suppression system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210564635U (en) |
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2019
- 2019-09-29 CN CN201921646187.7U patent/CN210564635U/en active Active
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