CN209464778U - A kind of spray dust-arrest device for preventing from stopping droplet water - Google Patents
A kind of spray dust-arrest device for preventing from stopping droplet water Download PDFInfo
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- CN209464778U CN209464778U CN201822029277.3U CN201822029277U CN209464778U CN 209464778 U CN209464778 U CN 209464778U CN 201822029277 U CN201822029277 U CN 201822029277U CN 209464778 U CN209464778 U CN 209464778U
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- control valve
- spray
- spray tank
- tank ontology
- water
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Abstract
A kind of spray dust-arrest device for preventing from stopping droplet water, spray tank ontology including being equipped with spray head, spray tank ontology connects waterway pipe and gas path pipe, the first control valve and check-valves are successively arranged according to water (flow) direction on the waterway pipe, gas path pipe is equipped with the second control valve, described device is additionally provided with third control valve, the import branch of third control valve connects gas path pipe, tie point is between the second control valve and spray tank ontology, third control valve export branch road connects waterway pipe, and tie point is between check-valves and spray tank ontology.The utility model is after spray tank stops spray operations, aerosol time-lag action, carries out blowback to nozzle and spray tank ontology and sweeps, sprays water mist, effectively spray head is avoided to drip.The utility model had not only solved dry fog spray tank and has stopped droplet water problems, but also can avoid whole pipeline blowback and sweep the next spraying timeliness drawback of influence, and had the characteristics that structure is simple, easily implementation, improvement cost is low.
Description
Technical field
The utility model relates to a kind of dust-extraction units, especially prevent the spray dust-arrest device for stopping droplet water.
Background technique
Currently, inorganization dust occasion is also easy to produce in steel mill, power plant, chemical plant, coke-oven plant, harbour, mine etc., using spray
Fog chamber carries out dust suppression and receives preferable effect.The terminal installation spray tank of common sized spray dust-suppression system is general when stopping spraying
Store-through has nozzle and cabinet leak and dripping phenomenon, and spray tank leak and the dripping phenomenon for tilting installation are more serious.Dripping causes
Live material water ratio increases, field ground ponding, and especially excess surface water freezes in winter, seriously affects field operation.It is existing
Technology prevent the solution dripped be introduced a gas by control system whole pipeline carry out blowback sweep solve leak and
The problem of dripping, although the method is dripped problem is solved, but in next spray operations, it is necessary first to all fill in pipeline
Water, pipeline water injection time affects spraying timeliness and timeliness next time, while also resulting in the waste of resource and the energy.
Utility model content
The purpose of this utility model is that aiming at the disadvantages of the prior art, provides and a kind of sweep the anti-of function with terminal blowback
Only stop the spray dust-arrest device of droplet water.
Problem described in the utility model is realized with following technical proposals:
A kind of spray dust-arrest device for preventing from stopping droplet water, the spray tank ontology including being equipped with spray head, spray tank ontology connect
It connects waterway pipe and gas path pipe, is successively arranged the first control valve and check-valves, gas circuit according to water (flow) direction on the waterway pipe
Pipeline is equipped with the second control valve, and described device is additionally provided with third control valve, and the import branch of third control valve connects gas path pipe,
For tie point between the second control valve and spray tank ontology, third control valve export branch road connects waterway pipe, connects point
Between check-valves and spray tank ontology.
The above-mentioned spray dust-arrest device for preventing from stopping droplet water, further includes the first cable, the first cable by the first control valve with
Third control valve connection, the first cable are connect with electric cabinet, and the second control valve and electric cabinet are through the second cable connection.
The above-mentioned spray dust-arrest device for preventing from stopping droplet water, the first control valve, the second control valve are normally close valve, third control
Valve is normally open valve.
The above-mentioned spray dust-arrest device for preventing from stopping droplet water, first control valve, the second control valve, third control valve are
Two-position two-way solenoid valve or bi-bit bi-pass pneumatic operated valve.
The utility model, which stops droplet water problems for spray tank, to be improved, and aqueous vapor communicating valve, the non-return added are passed through
Valve and the connection water route of ingehious design, connection line make the spray dust-arrest device have the function of that terminal blowback is swept.This is practical new
Type is after spray tank stops spray operations, aerosol time-lag action, carries out blowback to nozzle and spray tank ontology and sweeps, sprays water mist,
Effectively spray head is avoided to drip.The utility model had not only solved spray tank and has stopped droplet water problems, but also can avoid whole pipeline blowback and sweep
Next spraying timeliness drawback is influenced, and has the characteristics that structure is simple, easily implementation, improvement cost is low.
Detailed description of the invention
The utility model is described in further detail with reference to the accompanying drawing.
Fig. 1 is the structural schematic diagram of the normal spray operations state of the utility model；
Fig. 2 is the structural schematic diagram that the utility model stops that state is swept in mist terminal blowback.
Each label in figure are as follows: 1. spray tank ontologies, 2. second control valves, 3. first control valves, 4. check-valves, 5. second electricity
Cable, 6. first cables, 7. gas path pipes, 8. waterway pipe, 9. third control valve.
Specific embodiment
Referring to Fig. 1, the utility model includes spray tank ontology 1, and several aerosol spray heads, spray tank are installed on spray tank ontology
The outlet end of ontology connection waterway pipe 8 and gas path pipe 7, waterway pipe and gas path pipe is connect with aerosol spray head.In water route
According to water (flow) direction successively (from left to right) equipped with the first control valve 3 and check-valves 4 for controlling water flow on pipeline.Gas path pipe
Equipped with the second control valve 2 for controlling air-flow.Described device is additionally provided with third control valve 9, and third control valve is swept for blowback
Shi Shuiqi connection.The import branch of third control valve connects gas path pipe, and tie point is located at the second control valve and spray tank ontology
Between, third control valve export branch road connects waterway pipe, and between check-valves and spray tank ontology, position abuts tie point
Check-valves rear end.First control valve, the second control valve, third control valve can use two-position two-way solenoid valve or bi-bit bi-pass gas
Dynamic valve, wherein the first control valve, the second control valve are normally close valve, and third control valve is normally open valve.Described device is additionally provided with first
First control valve is connect by cable 6, the first cable with third control valve, and the first cable is connect with electric cabinet.Second control valve with
Electric cabinet is connected through the second cable 5.The opening and closing of above-mentioned each control valve is controlled by the PLC of spraying system control device.This is practical new
Type normal operating conditions, the first control valve and the second control valve are in the open state, and third control valve is in close state, water,
Gas enters spray tank ontology through waterway pipe, gas path pipe respectively, and then enters aerosol spray head, and aerosol spray head sprays aerosol suppression
Dirt.
Referring to Fig. 2, when device stops spraying, the first control valve 3 is closed, while third control valve 9 is opened, the second control
The delay several seconds of valve 2 closes, and delay time is set by the PLC of spraying system control device；Since third control valve is normally opened control
Valve processed, and third control valve and the first control valve same root cable 6 series connection electricity, when the first control valve 3 is closed, third control
Valve 9 is opened, and compressed gas can enter the waterway pipe after check-valves, and since waterway pipe is equipped with check-valves 4, gas will not
Pipeline into before the first control valve, gas only purge in water and spray tank ontology water cavity after the first control valve 3 in pipeline
In water.Gas path pipe 7 is supplied in delay at this time, so that is sprayed from aerosol spray head is water mist, not will form and is dripped and ground
Seeping phenomenon.
Claims (4)
1. a kind of spray dust-arrest device for preventing from stopping droplet water, the spray tank ontology (1) including being equipped with spray head, spray tank ontology connect
Connect waterway pipe (8) and gas path pipe (7), it is characterised in that: be successively arranged the first control according to water (flow) direction on the waterway pipe
Valve (3) processed and check-valves (4), gas path pipe are equipped with the second control valve (2), and described device is additionally provided with third control valve (9), third
The import branch of control valve connects gas path pipe, and tie point is between the second control valve and spray tank ontology, third control valve
Export branch road connects waterway pipe, and tie point is between check-valves and spray tank ontology.
2. the spray dust-arrest device according to claim 1 for preventing from stopping droplet water, it is characterised in that: further include the first cable
(6), the first control valve is connect by the first cable with third control valve, and the first cable is connect with electric cabinet, the second control valve and electricity
Case is controlled to connect through the second cable (5).
3. the spray dust-arrest device according to claim 2 for preventing from stopping droplet water, it is characterised in that: the first control valve,
Two control valves are normally close valve, and third control valve is normally open valve.
4. the spray dust-arrest device according to claim 3 for preventing from stopping droplet water, it is characterised in that: first control
Valve, the second control valve, third control valve are two-position two-way solenoid valve or bi-bit bi-pass pneumatic operated valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822029277.3U CN209464778U (en) | 2018-12-05 | 2018-12-05 | A kind of spray dust-arrest device for preventing from stopping droplet water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822029277.3U CN209464778U (en) | 2018-12-05 | 2018-12-05 | A kind of spray dust-arrest device for preventing from stopping droplet water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209464778U true CN209464778U (en) | 2019-10-08 |
Family
ID=68088891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822029277.3U Active CN209464778U (en) | 2018-12-05 | 2018-12-05 | A kind of spray dust-arrest device for preventing from stopping droplet water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209464778U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110665319A (en) * | 2019-10-30 | 2020-01-10 | 陕西风华时代环境工程有限公司 | Water-gas distributor |
| CN116984733A (en) * | 2023-09-27 | 2023-11-03 | 蓝思智能机器人(长沙)有限公司 | Spraying system and processing device |
-
2018
- 2018-12-05 CN CN201822029277.3U patent/CN209464778U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110665319A (en) * | 2019-10-30 | 2020-01-10 | 陕西风华时代环境工程有限公司 | Water-gas distributor |
| CN116984733A (en) * | 2023-09-27 | 2023-11-03 | 蓝思智能机器人(长沙)有限公司 | Spraying system and processing device |
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