CN206837925U - A kind of new and effective sodium hydrogensulfite chemicals dosing plant - Google Patents
A kind of new and effective sodium hydrogensulfite chemicals dosing plant Download PDFInfo
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- CN206837925U CN206837925U CN201720618049.2U CN201720618049U CN206837925U CN 206837925 U CN206837925 U CN 206837925U CN 201720618049 U CN201720618049 U CN 201720618049U CN 206837925 U CN206837925 U CN 206837925U
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- Prior art keywords
- chemicals dosing
- dosing plant
- scrubbing tower
- alkali formula
- chemicals
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Abstract
The utility model discloses a kind of new and effective sodium hydrogensulfite chemicals dosing plant, including alkali formula scrubbing tower, chemicals dosing plant and scrubbing tower PLC electrical control cubicles, the chemicals dosing plant is connected by pipeline with the recirculated water water entry of alkali formula scrubbing tower, the alkali formula scrubbing tower and chemicals dosing plant are controlled by scrubbing tower PLC electrical control cubicles, the chemicals dosing plant is by discharge port, dosing mouth, agitator and dosing measuring pump composition, the dosing measuring pump is connected by pipeline with the recirculated water water entry of alkali formula scrubbing tower, the dosing measuring pump, agitator and dosing mouth are arranged on the top of chemicals dosing plant, the discharge port is arranged on a side bottom of chemicals dosing plant.The utility model is due to the addition of sulfurous acid hydrogen radical ion, the hypochlorous acid in solution is consumed with ion, avoid the volatilization of the chlorine in illumination and sour chance, effectively reduce secondary pollution and reduce liquid-film resistance and improve absorption efficiency, while promote the reaction forward of chlorine and alkali liquor absorption to carry out in reaction principle.
Description
Technical field
Sodium hydrogensulfite chemicals dosing plant technical field is the utility model is related to, specially a kind of new and effective sodium hydrogensulfite
Chemicals dosing plant.
Background technology
Chlorine can be produced in production technology in industries such as semicon industry, chlorine industry, plastics industries, chlorine belongs to
Toxic gas, national requirements related industries enterprise, which must produce chlorine to it and carry out processing, reaches discharge standard.It is in view of in the past same
Class environmental protection equipment (such as traditional alkali formula spray column), is that sodium hydroxide medicament is added in scrubbing tower, with the work in scrubbing tower
Skill water mixes, so that by its reactive absorption during chlorine is by scrubbing tower.Its reaction equation isThe method can reach certain chlorine absorption effect, still, alkali lye
The mixed solution of caused hypochlorite and villaumite during absorption chlorine contained exhaust gas, long-term storage or illumination or chance acid, hypochlorous acid
Salt can again decompose and release the pernicious gases such as chlorine, cause secondary pollution.Simultaneously because the presence of sodium hypochlorite and absorbing
Part physical absorption process in journey, the presence for having certain chlorine in liquid phase being caused, it causes liquid-film resistance in absorption process to increase,
So as to cause absorption efficiency not high.
Utility model content
The purpose of this utility model is to provide a kind of new and effective sodium hydrogensulfite chemicals dosing plant, to solve above-mentioned background
Part physical absorption process in the presence due to sodium hypochlorite proposed in technology and absorption process, causes have certain chlorine in liquid phase
The presence of gas, it causes in absorption process liquid-film resistance to increase, the problem of so as to cause absorption efficiency not high.
To achieve the above object, the utility model provides following technical scheme：A kind of new and effective sodium hydrogensulfite dosing
Device, including alkali formula scrubbing tower, chemicals dosing plant and scrubbing tower PLC electrical control cubicles, the chemicals dosing plant are washed by pipeline and alkali formula
The recirculated water water entry connection of tower, the alkali formula scrubbing tower and chemicals dosing plant are controlled by scrubbing tower PLC electrical control cubicles, described to add
Medicine device is made up of discharge port, dosing mouth, agitator and dosing measuring pump, and the dosing measuring pump is washed by pipeline and alkali formula
The recirculated water water entry connection of tower, dosing measuring pump, agitator and the dosing mouth are arranged on the top of chemicals dosing plant, described to unload
Material mouth is arranged on a side bottom of chemicals dosing plant.
Preferably, the dosing measuring pump of the chemicals dosing plant is connected by check valve with alkali formula scrubbing tower.
Preferably, ORP potentiometric detections instrument and controller are installed on the alkali formula scrubbing tower.
Preferably, the output end of the input of the ORP potentiometric detections instrument and controller is electrically connected with, and controller
Input and the output end of scrubbing tower PLC electrical control cubicles are electrically connected with.
Preferably, the chemicals dosing plant is sodium hydrogensulfite chemicals dosing plant.
Compared with prior art, the beneficial effects of the utility model are：The utility model is due to sulfurous acid hydrogen radical ion
Add, consume the hypochlorous acid in solution with ion, avoid the volatilization of the chlorine in illumination and sour chance, effectively reduce secondary
Pollute and reduce liquid-film resistance and improve absorption efficiency；Promote the reaction of chlorine and alkali liquor absorption in reaction principle simultaneously
Forward direction is carried out, and also greatly improves the absorption efficiency of chlorine.Ensure that chlorine after treatment can be with qualified discharge.
Brief description of the drawings
Fig. 1 is a kind of front view of new and effective sodium hydrogensulfite chemicals dosing plant of the utility model；
Fig. 2 is a kind of side view of new and effective sodium hydrogensulfite chemicals dosing plant of the utility model；
Fig. 3 is a kind of top view of new and effective sodium hydrogensulfite chemicals dosing plant of the utility model；
Fig. 4 is that a kind of chemicals dosing plant of new and effective sodium hydrogensulfite chemicals dosing plant of the utility model connects with alkali formula scrubbing tower
The structural representation connect；
Fig. 5 is a kind of alkali formula scrubbing tower side view of new and effective sodium hydrogensulfite chemicals dosing plant of the utility model.
In figure：1- chemicals dosing plants, 2- discharge ports, 3- dosing mouths, 4- agitators, 5- dosings measuring pump, 6- check valves, 7- alkali
Formula scrubbing tower, 8- scrubbing tower PLC electrical control cubicles, 9-ORP potentiometric detections instrument, 10- controllers.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Refer to Fig. 1-5, a kind of embodiment provided by the utility model：A kind of new and effective sodium hydrogensulfite dosing dress
Put, including alkali formula scrubbing tower 7, chemicals dosing plant 1 and scrubbing tower PLC electrical control cubicles 8, chemicals dosing plant 1 pass through pipeline and alkali formula scrubbing tower 7
The connection of recirculated water water entry, alkali formula scrubbing tower 7 and chemicals dosing plant 1 controlled by scrubbing tower PLC electrical control cubicles 8, chemicals dosing plant 1
It is made up of discharge port 2, dosing mouth 3, agitator 4 and dosing measuring pump 5, dosing measuring pump 5 passes through pipeline and alkali formula scrubbing tower 7
Recirculated water water entry is connected, and dosing measuring pump 5, agitator 4 and dosing mouth 3 are arranged on the top of chemicals dosing plant 1, and discharge port 2 is pacified
Mounted in a side bottom of chemicals dosing plant 1.
The dosing measuring pump 5 of chemicals dosing plant 1 is connected by check valve 6 with alkali formula scrubbing tower 7, and check valve 6 prevents recirculated water
Impact flows backwards medicament.
ORP potentiometric detections instrument 9 and controller 10, the input of ORP potentiometric detections instrument 9 are installed on alkali formula scrubbing tower 7
End and the output end of controller 10 are electrically connected with, and the input of controller 10 and the output end of scrubbing tower PLC electrical control cubicles 8 are electrical
Connection, the Automatic Dosing of sodium hydrogensulfite is controlled by ORP (redox) electric potential detector 9 and controller 10.
Chemicals dosing plant 1 is sodium hydrogensulfite chemicals dosing plant, and its general reaction equation is
Specifically used mode：In utility model works, operating personnel only need to by a certain amount of sodium hydrogensulfite solid and
Quantitative process water is added by dosing mouth 3, and the agitator 4 that chemicals dosing plant 1 carries will be stirred after being mixed by dosing measuring pump 5
Medicament after mixing uniformly is sent to alkali formula scrubbing tower 7 and specifies chemical feeding points, can be discharged by discharge port 2 during cleaning remaining useless
Liquid.
Spray chemical principle is as follows inside original alkali formula scrubbing tower：
The reaction is reversible reaction, and the hypochlorous acid for reacting generation can divide with unstable under conditions of illumination and chance acid
Solution produces chlorine, causes secondary pollution, and reduce chlorine absorption efficiency.The utility model Asia is set up in original spray system
After niter cake chemicals dosing plant, reaction principle is as follows：
The addition of bisulfite can consume hypochlorous acid in solution with, it is effective reduce hypochlorous acid with decomposition,
Reduce the generation of chlorine.Original reversible reaction can be promoted farthest to be carried out to forward direction simultaneously, increase the absorption effect of chlorine
Rate.Ion-reaction equation is as follows：
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation
Involved claim.
Claims (5)
1. a kind of new and effective sodium hydrogensulfite chemicals dosing plant, including alkali formula scrubbing tower (7), chemicals dosing plant (1) and scrubbing tower PLC
Electrical control cubicles (8), it is characterised in that：The chemicals dosing plant (1) is connected by the recirculated water water entry of pipeline and alkali formula scrubbing tower (7)
Logical, the alkali formula scrubbing tower (7) and chemicals dosing plant (1) are controlled by scrubbing tower PLC electrical control cubicles (8), the chemicals dosing plant (1)
It is made up of discharge port (2), dosing mouth (3), agitator (4) and dosing measuring pump (5), the dosing measuring pump (5) passes through pipeline
Connected with the recirculated water water entry of alkali formula scrubbing tower (7), the dosing measuring pump (5), agitator (4) and dosing mouth (3) installation
In the top of chemicals dosing plant (1), the discharge port (2) is arranged on a side bottom of chemicals dosing plant (1).
A kind of 2. new and effective sodium hydrogensulfite chemicals dosing plant according to claim 1, it is characterised in that：The dosing dress
The dosing measuring pump (5) for putting (1) is connected by check valve (6) with alkali formula scrubbing tower (7).
A kind of 3. new and effective sodium hydrogensulfite chemicals dosing plant according to claim 1, it is characterised in that：The alkali formula is washed
Wash and ORP potentiometric detections instrument (9) and controller (10) are installed on tower (7).
A kind of 4. new and effective sodium hydrogensulfite chemicals dosing plant according to claim 3, it is characterised in that：The ORP electricity
The input of position instrumentation (9) is electrically connected with the output end of controller (10), and the input of controller (10) and washing
The output end of tower PLC electrical control cubicles (8) is electrically connected with.
A kind of 5. new and effective sodium hydrogensulfite chemicals dosing plant according to claim 1, it is characterised in that：The dosing dress
It is sodium hydrogensulfite chemicals dosing plant to put (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720618049.2U CN206837925U (en) | 2017-05-31 | 2017-05-31 | A kind of new and effective sodium hydrogensulfite chemicals dosing plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720618049.2U CN206837925U (en) | 2017-05-31 | 2017-05-31 | A kind of new and effective sodium hydrogensulfite chemicals dosing plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206837925U true CN206837925U (en) | 2018-01-05 |
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ID=60798000
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720618049.2U Active CN206837925U (en) | 2017-05-31 | 2017-05-31 | A kind of new and effective sodium hydrogensulfite chemicals dosing plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206837925U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111533246A (en) * | 2020-04-20 | 2020-08-14 | 中麒赋能水务科技股份有限公司 | Synchronous denitrification accurate aeration system |
-
2017
- 2017-05-31 CN CN201720618049.2U patent/CN206837925U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111533246A (en) * | 2020-04-20 | 2020-08-14 | 中麒赋能水务科技股份有限公司 | Synchronous denitrification accurate aeration system |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: Room 230, floor 2, building 9, courtyard 9, Linhe Avenue, Renhe Town, Shunyi District, Beijing 101300 Patentee after: Greenstad (Beijing) Environmental Technology Co.,Ltd. Address before: Room 701-06, building 1, No. 19, Ronghua South Road, Beijing Economic and Technological Development Zone, Daxing District, Beijing 100176 Patentee before: GREENSTAR (BEIJING) ENVIRONMENTAL TECHNOLOGY Co.,Ltd. |