CN219623516U - Anti-freezing device and micro-fog dust suppression system - Google Patents
Anti-freezing device and micro-fog dust suppression system Download PDFInfo
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- CN219623516U CN219623516U CN202321301780.4U CN202321301780U CN219623516U CN 219623516 U CN219623516 U CN 219623516U CN 202321301780 U CN202321301780 U CN 202321301780U CN 219623516 U CN219623516 U CN 219623516U
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Abstract
The utility model relates to the technical field of micro-fog dust suppression, and discloses an antifreezing device and a micro-fog dust suppression system, wherein the antifreezing device comprises: one end of the purging pipeline is communicated with an air inlet pipe of the micro-mist dust suppression system, and the other end of the purging pipeline is communicated with a liquid outlet pipe of the micro-mist dust suppression system; the purging structure is arranged on the purging pipeline; the controller is electrically connected with the purging structure, and is arranged on the purging pipeline, when the micro-mist dust suppression system is in an end of working, the purging structure is controlled to be in a purging state by the controller, gas in the gas inlet pipe enters the liquid outlet pipe through the purging pipeline and the purging structure, and water stored in the liquid outlet pipe and a follow-up pipeline structure is quickly blown out from the spraying end of the micro-mist dust suppression system, so that the inside of the liquid outlet pipe and the follow-up pipeline structure is kept dry, further, freezing phenomenon is prevented, the liquid outlet pipe is purged by an original gas source through a simple structure, and the problems of high construction difficulty and high energy consumption of an anti-freezing means of the micro-mist dust suppression system in the prior art are effectively solved.
Description
Technical Field
The utility model relates to the technical field of micro-mist dust suppression, in particular to an antifreezing device and a micro-mist dust suppression system.
Background
The micro-fog dust suppression system is widely applied to bulk material conveying systems such as chemical industry, metallurgy, ports, electric power, coal, mines and the like as an environmental protection measure. The micro-mist dust suppression system conveys two media, namely water and air, into a special fluid nozzle through pressure regulation and volume regulation, and turns the water into micro-mist particles outside the nozzle so as to adsorb various dust particles in the air, thereby effectively controlling dust. The existing micro-mist dust suppression system is connected to a water source no matter a single-phase flow or a double-phase flow, and because the temperature in a severe cold region is low, in order to enable the micro-mist dust suppression system to normally keep running, a water source conveying pipeline in the micro-mist dust suppression system has an anti-freezing requirement.
At present, the main anti-freezing means of the existing micro-fog dust suppression system is to heat a water source conveying pipeline in a steam conveying structure or electric tracing mode so as to prevent water in the water source conveying pipeline from freezing, on one hand, in the early construction process, a large number of additional heating structures are required to be arranged in the anti-freezing means, the complexity of the system is greatly increased, on the other hand, in order to reliably prevent the water in the water source conveying pipeline from freezing, continuous energy supply is required to maintain the temperature of the water in the water source conveying pipeline, and therefore, the anti-freezing means has the problems of high construction difficulty and high energy consumption.
Disclosure of Invention
In view of the above, the utility model provides an antifreezing device and a micro-fog dust suppression system, which are used for solving the problems of high construction difficulty and high energy consumption of an antifreezing means of the micro-fog dust suppression system in the prior art.
In a first aspect, the present utility model provides an anti-freeze apparatus for use in a micro-mist dust suppression system, the anti-freeze apparatus comprising: one end of the purging pipeline is communicated with an air inlet pipe of the micro-mist dust suppression system, and the other end of the purging pipeline is communicated with a liquid outlet pipe of the micro-mist dust suppression system; the purging structure is arranged on the purging pipeline and is provided with a purging state and a closing state, when the purging structure is in the purging state, the purging structure is suitable for introducing gas in the air inlet pipe into the liquid outlet pipe, and when the purging structure is in the closing state, the purging structure is suitable for closing the purging pipeline; the controller is electrically connected with the purging structure and is suitable for controlling the purging structure to be switched between a purging state and a closing state; when the micro-mist dust suppression system is in a working state, the purging structure is in a closed state, and after the micro-mist dust suppression system is in a stop state, the purging structure is in a purging state and blows out moisture in the liquid outlet pipe.
The purging structure is arranged on the purging pipeline, the controller can control the working state of the purging structure, when the micro-mist dust suppression system is finished working, the controller controls the purging structure to be changed into the purging state, at the moment, gas in the gas inlet pipe enters the liquid outlet pipe through the purging pipeline and the purging structure, the liquid outlet pipe and the water stored in the follow-up pipeline structure are rapidly blown out from the spraying end of the micro-mist dust suppression system, make drain pipe and follow-up pipeline structure inside keep dry, and then prevent that it from taking place to freeze the phenomenon, through simple structure, need not to use extra power supply, utilize original air supply to sweep the drain pipe, effectively solved the problem that the means construction degree of difficulty is big and the energy consumption is high of preventing frostbite of little fog dust suppression system among the prior art.
In an alternative embodiment, the purge pipeline includes an air inlet branch pipe and an air outlet branch pipe, the purge structure includes a purge valve and a first valve, the purge valve is provided with an air inlet and a first air outlet, the air inlet is communicated with the air inlet pipe through the air inlet branch pipe, the first air outlet is communicated with the air outlet pipe through the air outlet branch pipe, the first valve is arranged on the air outlet branch pipe and is electrically connected with the controller, the first valve is provided with a first open state for enabling the air outlet branch pipe to be unblocked and a first closed state for closing the air outlet branch pipe, whether the purge pipeline is communicated or not can be controlled through the first valve, and the structure is simple and reliable.
In an alternative embodiment, the purging structure further comprises a second valve, the second valve is arranged on the air inlet branch pipe and is electrically connected with the controller, the second valve has a second opening state for enabling the air inlet branch pipe to be unblocked and a second closing state for closing the air outlet branch pipe, and the first valve and the second valve are opened and closed together, so that the working state of the purging structure is controlled.
In an alternative embodiment, the first valve is a solenoid valve and/or the second valve is an electrically operated valve.
In the micro-mist dust suppression system, the pressure of liquid in a liquid outlet pipe is generally smaller than the pressure of gas in an air inlet pipe, so that the first valve can meet the use requirement by being an electromagnetic valve, and the second valve can reliably bear the pressure of the gas in the air inlet pipe by being an electric valve.
In an alternative embodiment, the purging structure further comprises a third valve, the purging pipeline further comprises an exhaust branch pipe, the purging valve is further provided with a second air outlet, the second air outlet is communicated with the liquid outlet pipe through the exhaust branch pipe, the exhaust branch pipe and the air outlet branch pipe are arranged in parallel, the third valve is arranged on the exhaust branch pipe, and the purging pipeline is suitable for discharging redundant gas through the third valve.
When the pressure of the gas in the purging pipeline is too high, the gas can be discharged together through the third valve, so that the purging pipeline is prevented from being damaged due to the too high pressure.
In an alternative embodiment, the third valve is a one-way valve, the second air outlet is in one-way conduction with the liquid outlet pipe through the one-way valve, electric control is not needed, and one-way air outlet is automatically finished while liquid is prevented from contacting the purge valve.
In an alternative embodiment, the diameter of the purging pipeline is smaller than that of the air inlet pipe, and the diameter of the purging pipeline is larger than that of the liquid outlet pipe, so that damage to the pipeline connection or the pipeline caused by gas pressure mutation due to pipe diameter mutation is prevented.
In a second aspect, the present utility model also provides a micro mist dust suppression system, comprising: the dust suppression host is communicated with the air source through an air inlet pipe, and is communicated with the water source through a liquid inlet pipe; the dust suppression host is respectively communicated with the spraying structure through an air outlet pipe and a liquid outlet pipe; the electric control cabinet is respectively and electrically connected with the dust suppression host and the spraying structure; according to the anti-freezing device, one end of the purging pipeline of the anti-freezing device is communicated with the air inlet pipe, and the other end of the purging pipeline of the anti-freezing device is communicated with the liquid outlet pipe.
In an alternative embodiment, the purge conduit communicates with the end of the outlet pipe near the dust suppression host to purge as much as possible of the entire outlet pipe and subsequent components.
In an alternative embodiment, a back flushing filter is further arranged on the liquid inlet pipe, so that liquid flowing through the liquid inlet pipe is filtered.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic view showing an arrangement of an antifreezing device according to an embodiment of the present utility model;
fig. 2 is an enlarged schematic view of the antifreeze shown in fig. 1 at a.
Reference numerals illustrate:
101. an air inlet branch pipe; 102. an outlet branch pipe; 103. an exhaust branch pipe; 201. a purge valve; 202. a first valve; 203. a second valve; 204. a third valve; 3. a dust suppression host; 301. an air inlet pipe; 302. a liquid inlet pipe; 303. an air outlet pipe; 304. a liquid outlet pipe; 4. a spray structure; 5. an electric control cabinet; 501. a cable; 6. and back flushing the filter.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
An embodiment of the present utility model is described below with reference to fig. 1 and 2.
According to an embodiment of the present utility model, in one aspect, there is provided an anti-freezing apparatus applied to a micro mist dust suppression system, the anti-freezing apparatus comprising: the device comprises a purging pipeline, a purging structure and a controller, wherein one end of the purging pipeline is communicated with an air inlet pipe 301 of the micro-mist dust suppression system, and the other end of the purging pipeline is communicated with a liquid outlet pipe 304 of the micro-mist dust suppression system; the purging structure is arranged on the purging pipeline and has a purging state and a closing state, when the purging structure is in the purging state, the purging structure is suitable for introducing the gas in the gas inlet pipe 301 into the liquid outlet pipe 304, and when the purging structure is in the closing state, the purging structure is suitable for closing the purging pipeline; the controller is electrically connected with the purging structure and is suitable for controlling the purging structure to be switched between a purging state and a closing state; when the micro mist dust suppression system is in a working state, the purging structure is in a closed state, and after the micro mist dust suppression system is in a stop state, the purging structure is in a purging state and blows out moisture in the liquid outlet pipe 304.
By using the anti-freezing device of the embodiment, the purging structure is arranged on the purging pipeline, the controller can control the working state of the purging structure, after the micro-mist dust suppression system finishes working, the controller controls the purging structure to be changed into the purging state, at the moment, gas in the gas inlet pipe 301 enters the liquid outlet pipe 304 through the purging pipeline and the purging structure, water stored in the liquid outlet pipe 304 and the follow-up pipeline structure is rapidly blown out from the spraying end of the micro-mist dust suppression system, the inside of the liquid outlet pipe 304 and the follow-up pipeline structure is kept dry, freezing is prevented, the problem that the anti-freezing means of the micro-mist dust suppression system in the prior art is difficult to construct and high in energy consumption is effectively solved by using the original gas source to purge the liquid outlet pipe 304 through a simple structure.
In this embodiment, the purge pipe includes the air inlet branch pipe 101 and the air outlet branch pipe 102, the purge structure includes the purge valve 201 and the first valve 202, the purge valve 201 has the air inlet and the first gas outlet, the air inlet communicates with the air inlet pipe 301 through the air inlet branch pipe 101, the first gas outlet communicates with the liquid outlet pipe 304 through the air outlet branch pipe 102, the first valve 202 is arranged on the air outlet branch pipe 102 and electrically connected with the controller, the first valve 202 has the first open state that makes the air outlet branch pipe 102 unblocked and the first closed state that closes the air outlet branch pipe 102, the first valve 202 can control whether the purge pipe is communicated, the speed is fast after the gas passes through the purge valve 201, the water stored in the liquid outlet pipe 304 can be blown towards the spraying end of the micro mist dust suppression system rapidly, the structure is simple, reliable and convenient for processing and manufacturing.
Specifically, the specific structure and size of the purge valve 201 are not limited, and the purge valve may be matched according to the size of the micro mist dust suppression system actually used, so that the gas in the gas inlet pipe 301 may be reliably sent into the liquid outlet pipe 304 and the stored water may be blown out.
In this embodiment, the purge structure further includes a second valve 203, where the second valve 203 is disposed on the intake manifold 101 and is electrically connected to the controller, and the second valve 203 has a second open state for unblocking the intake manifold 101 and a second closed state for closing the outlet manifold 102, when the purge structure is in the purge state, the first valve 202 is in the first open state, the second valve 203 is in the second open state, when the purge structure is in the closed state, the first valve 202 is in the first closed state, and the second valve 203 is in the second closed state. It will be appreciated that the second valve 203 may be omitted as an alternative embodiment.
Specifically, in order to ensure the service life of the purge valve 201, when the purge structure is in a closed state, the first valve 202 and the second valve 203 respectively block the air outlet branch pipe 102 and the air inlet branch pipe 101, so that the purge valve 201 is in a closed space, the purge valve 201 is prevented from continuously receiving the impact of gas or liquid when the micro-mist dust suppression system works, and the reliability of the structure is effectively improved.
In this embodiment, the first valve 202 is a solenoid valve, and/or the second valve 203 is an electric valve, the first valve 202 is mainly used to prevent the liquid in the liquid outlet pipe 304 from contacting the purge valve 201, the second valve 203 is mainly used to prevent the gas in the air inlet pipe 301 from contacting the purge valve 201, and in the micro mist dust suppression system, the pressure of the liquid in the liquid outlet pipe 304 is generally smaller than the pressure of the gas in the air inlet pipe 301, so that the first valve 202 can be a solenoid valve to meet the use requirement, and the second valve 203 needs to be an electric valve to reliably bear the pressure of the gas in the air inlet pipe 301. It will be appreciated that the first valve 202 may also be an electrically operated valve as an alternative embodiment.
In this embodiment, the purging structure further includes a third valve 204, the purging pipeline further includes an exhaust branch pipe 103, the purging valve 201 further includes a second air outlet, the second air outlet is communicated with the liquid outlet pipe 304 through the exhaust branch pipe 103, the exhaust branch pipe 103 and the air outlet branch pipe 102 are arranged in parallel, the third valve 204 is arranged on the exhaust branch pipe 103, the purging pipeline is suitable for discharging redundant gas through the third valve 204, when the gas pressure in the purging pipeline is too high, the purging pipeline can be discharged together through the third valve 204, and damage to the purging pipeline due to too high pressure is prevented. It will be appreciated that, as an alternative embodiment, the third valve 204 and the exhaust manifold 103 may not be provided if the purge conduit is strong enough to allow passage of gas under all conditions of use.
In this embodiment, the third valve 204 is a one-way valve, the second air outlet is in one-way conduction with the liquid outlet pipe 304 through the one-way valve, and electric control is not needed, so that the liquid is prevented from contacting the purge valve 201, and one-way air outlet is automatically completed.
Specifically, due to the presence of the second valve 203, there is no concern that gas directly enters the liquid outlet pipe 304 from the gas inlet pipe 301 when the third valve 204 is a one-way valve; meanwhile, in order to prevent the one-way valve from having a pressure relief function, a certain pressure is required when the one-way valve is conducted, and when the pressure of the gas output by the pressure relief valve is greater than a preset pressure, the third valve 204 can be conducted.
In this embodiment, the diameter of the purge pipe is smaller than that of the air inlet pipe 301, and the diameter of the purge pipe is larger than that of the liquid outlet pipe 304, so that when the gas enters the liquid outlet pipe 304 from the air inlet pipe 301 through the purge pipe, the pressure change curve can be in a step shape, and damage to the pipe connection or the pipe caused by abrupt change of the gas pressure due to abrupt change of the pipe diameter is prevented.
According to an embodiment of the present utility model, in another aspect, there is provided a micro mist dust suppression system including: the dust suppression device comprises a dust suppression host machine 3, a spraying structure 4, an electric control cabinet 5 and the anti-freezing device, wherein the dust suppression host machine 3 is communicated with an air source through an air inlet pipe 301, and the dust suppression host machine 3 is communicated with a water source through a liquid inlet pipe 302; the dust suppression host 3 of the spray structure 4 is respectively communicated with the spray structure 4 through an air outlet pipe 303 and a liquid outlet pipe 304; the electric control cabinet 5 is respectively and electrically connected with the dust suppression host 3 and the spraying structure 4; one end of the purge pipe of the antifreeze device is communicated with the air inlet pipe 301 and the other end is communicated with the liquid outlet pipe 304.
Specifically, as shown in fig. 1, thicker lines in fig. 1 represent components of the micro mist dust suppression system and pipelines, and thinner lines represent cables 501 connecting respective electric devices; the right end of the air inlet pipe 301 is communicated with an air source, and the right end of the liquid inlet pipe 302 is communicated with a water source.
In this embodiment, the purge pipe communicates with the end of the outlet pipe 304 near the dust suppression host 3 to purge the entire outlet pipe 304 and subsequent components as much as possible.
In this embodiment, the liquid inlet pipe 302 is further provided with a back-flushing filter 6, and the back-flushing filter 6 can filter the liquid flowing through the liquid inlet pipe 302.
Although embodiments of the present utility model have been described in connection with the accompanying drawings, various modifications and variations may be made by those skilled in the art without departing from the spirit and scope of the utility model, and such modifications and variations fall within the scope of the utility model as defined by the appended claims.
Claims (10)
1. An anti-freeze apparatus for use in a micro mist dust suppression system, comprising:
one end of the purging pipeline is communicated with an air inlet pipe (301) of the micro-mist dust suppression system, and the other end of the purging pipeline is communicated with a liquid outlet pipe (304) of the micro-mist dust suppression system;
the purging structure is arranged on the purging pipeline and is provided with a purging state and a closing state, when the purging structure is in the purging state, the purging structure is suitable for introducing gas in the gas inlet pipe (301) into the liquid outlet pipe (304), and when the purging structure is in the closing state, the purging structure is suitable for closing the purging pipeline;
a controller electrically connected to the purge structure, the controller adapted to control the purge structure to switch between the purge state and the off state;
when the micro-mist dust suppression system is in a working state, the purging structure is in the closed state, and after the micro-mist dust suppression system is in a stop state, the purging structure is in the purging state and blows out moisture in the liquid outlet pipe (304).
2. The antifreeze device of claim 1, wherein said purge conduit includes an inlet manifold (101) and an outlet manifold (102), said purge structure includes a purge valve (201) and a first valve (202), said purge valve (201) having an inlet port and a first outlet port, said inlet port being in communication with said inlet manifold (301) through said inlet manifold (101), said first outlet port being in communication with said outlet manifold (304) through said outlet manifold (102), said first valve (202) being disposed on said outlet manifold (102) and electrically connected to said controller, said first valve (202) having a first open state for unblocking said outlet manifold (102) and a first closed state for closing said outlet manifold (102).
3. The antifreeze device of claim 2, wherein said purge structure further comprises a second valve (203), said second valve (203) being disposed on said inlet manifold (101) and electrically connected to said controller, said second valve (203) having a second open state for unblocking said inlet manifold (101) and a second closed state for closing said outlet manifold (102).
4. An anti-freeze apparatus according to claim 3, characterized in that the first valve (202) is a solenoid valve and/or the second valve (203) is an electrically operated valve.
5. An anti-freeze apparatus according to claim 3, wherein the purge structure further comprises a third valve (204), the purge conduit further comprises an exhaust manifold (103), the purge valve (201) further comprises a second air outlet, the second air outlet is communicated with the liquid outlet pipe (304) through the exhaust manifold (103), the exhaust manifold (103) and the liquid outlet manifold (102) are arranged in parallel, the third valve (204) is arranged on the exhaust manifold (103), and the purge conduit is adapted to discharge excess gas through the third valve (204).
6. The antifreeze device of claim 5, wherein said third valve (204) is a one-way valve, and said second air outlet is in one-way communication with said outlet pipe (304) via said one-way valve.
7. The antifreeze arrangement of any of claims 1 to 6, wherein the diameter of the purge conduit is smaller than the diameter of the inlet pipe (301), the diameter of the purge conduit being larger than the diameter of the outlet pipe (304).
8. A micro mist dust suppression system, comprising:
the dust suppression device comprises a dust suppression host machine (3), wherein the dust suppression host machine (3) is communicated with an air source through an air inlet pipe (301), and the dust suppression host machine (3) is communicated with a water source through a liquid inlet pipe (302);
the dust suppression host machine (3) is respectively communicated with the spraying structure (4) through an air outlet pipe (303) and a liquid outlet pipe (304);
the electric control cabinet (5) is electrically connected with the dust suppression host (3) and the spraying structure (4) respectively;
the antifreeze device of any of claims 1 to 7, wherein the purge conduit of the antifreeze device communicates at one end with the air inlet pipe (301) and at the other end with the liquid outlet pipe (304).
9. A micro mist dust suppression system according to claim 8, wherein the purge conduit communicates with an end of the outlet pipe (304) close to the dust suppression host (3).
10. The micro mist dust suppression system according to claim 8, wherein a back flushing filter (6) is further arranged on the liquid inlet pipe (302).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321301780.4U CN219623516U (en) | 2023-05-25 | 2023-05-25 | Anti-freezing device and micro-fog dust suppression system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321301780.4U CN219623516U (en) | 2023-05-25 | 2023-05-25 | Anti-freezing device and micro-fog dust suppression system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219623516U true CN219623516U (en) | 2023-09-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321301780.4U Active CN219623516U (en) | 2023-05-25 | 2023-05-25 | Anti-freezing device and micro-fog dust suppression system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219623516U (en) |
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2023
- 2023-05-25 CN CN202321301780.4U patent/CN219623516U/en active Active
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