CN208898657U - A kind of salkali waste processing unit of alkali number machine - Google Patents
A kind of salkali waste processing unit of alkali number machine Download PDFInfo
- Publication number
- CN208898657U CN208898657U CN201821546967.XU CN201821546967U CN208898657U CN 208898657 U CN208898657 U CN 208898657U CN 201821546967 U CN201821546967 U CN 201821546967U CN 208898657 U CN208898657 U CN 208898657U
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- China
- Prior art keywords
- salkali waste
- conditioning tank
- processing unit
- waste processing
- number machine
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Abstract
The utility model discloses a kind of salkali waste processing units of alkali number machine, for dyeing and finishing liquid waste disposal technique field, including pretreatment pool and pH conditioning tank, it is connected to by pipeline with suction pump between pretreatment pool and pH conditioning tank, it is equipped with sodium hydrosulfite in pretreatment pool, is equipped with pH adjusting agent in pH conditioning tank.There is the utility model salkali waste to handle more thorough technical effect.
Description
Technical field
The utility model relates to a kind of salkali waste processing units of alkali number machine, belong to dyeing and finishing liquid waste disposal technique field.
Background technique
In dyeing and finishing process, alkaline agent dosage is larger, if direct emission, can cause environmental pollution, cause soil hard
Change and rotten.The general salkali waste handled in such a way that soda acid directly neutralizes out of alkali number machine out in the prior art.
But there are many solid impurities and organic stain in salkali waste, these solid impurities and stain after acid-base neutralization
It still remains, salkali waste is handled and is not thorough.
Utility model content
The purpose of the utility model is to overcome the above-mentioned deficiencies in the presence of the prior art, and provide a kind of giving up for alkali number machine
There is alkali process device salkali waste to handle more thorough technical effect.
The above-mentioned technical purpose of the utility model has the technical scheme that
A kind of salkali waste processing unit of alkali number machine, including pretreatment pool and pH conditioning tank, the pretreatment tank and pH are adjusted
It is connected to by pipeline with suction pump between pond, sodium hydrosulfite is equipped in the pretreatment tank, pH is equipped in the pH conditioning tank and adjusts
Agent.
Through the above technical solutions, sodium hydrosulfite is being commonly called as sodium dithionite, it not only has strong reducing property, but also has strong
Salkali waste is passed through in pretreatment pool and reacts with sodium hydrosulfite by oxidisability, can remove coloration and precipitated impurities in salkali waste；Again
The salkali waste for removing coloration and precipitated impurities is passed through in pH conditioning tank and carries out neutralization reaction, salkali waste is made to become the moderate processing of pH
Liquid.Compared with traditional direct neutralization mode, impurity is less in the salkali waste by sodium hydrosulfite processing and coloration is more shallow, convenient direct
Industrial application is carried out, salkali waste processing is more thorough.
Further preferably are as follows: sedimentation basin is equipped between the pretreatment tank and pH conditioning tank, the sedimentation basin passes through pipeline
It is connected to suction pump with pretreatment pool and pH conditioning tank.
Through the above technical solutions, sedimentation basin is arranged between pretreatment pool and pH conditioning tank, pretreatment pool can will be come from
In lye precipitated, settle undissolved complete solid impurity in lye, the solid being further reduced in lye
Impurity.
Further preferably are as follows: filter press, the filtrate of the filter press are equipped between the sedimentation basin and the pH conditioning tank
Outlet is connected to by pipeline and suction pump with sedimentation basin and pH conditioning tank.
Through the above technical solutions, the lye pumped out out of sedimentation basin is since the sedimentation time is limited, the lye after precipitating
In can also have a small amount of solid impurity, therefore filter press can remove a small amount of solid impurity remaining in lye, make lye
In impurity it is less.
Further preferably are as follows: rabbling mechanism is equipped in the pretreatment tank, the rabbling mechanism includes position motor, agitating shaft
And several paddles, several paddles are fixed on agitating shaft, the output shaft of motor is fixedly connected with agitating shaft top.
Through the above technical solutions, setting agitating shaft and paddle are stirred in pretreatment pool, it can will be powdered
Sodium hydrosulfite is stirred, and is made to react more thorough rapidly between sodium hydrosulfite and lye, is helped to improve the processing of pretreatment pool
Efficiency.
Further preferably are as follows: the pretreatment tank is silent pond body and is equipped with exhaust pipe at top.
Through the above technical solutions, react after being contacted due to sodium hydrosulfite with water generate a large amount of heat and Liquor Hydrogen Peroxide,
The toxic gases such as hydrogen sulfide then can be passed directly into atmosphere dirt by the way that gas collector is arranged in exhaust pipe one end to avoid gas
Environment is contaminated, and exhaust fan can increase pressure increase to avoid gas in pretreatment pool, cause security risk.
Further preferably are as follows: exhaust fan is installed on the exhaust pipe.
Through the above technical solutions, installing exhaust fan on exhaust pipe, the gas circulation in pretreatment pool can be accelerated, made pre-
Gas in processing pond is faster discharged, so that pressure in pretreatment pool be made to stablize, reaction safety is more preferable.
Further preferably are as follows: the exhaust pipe is connected to the bottom of the pH conditioning tank.
Through the above technical solutions, exhaust pipe is connected to the bottom of pH conditioning tank, then the titanium dioxide being discharged by exhaust pipe
The gases such as hydrogen and hydrogen sulfide can be directly dissolved in the aqueous solvent in pH adjusting agent, water and acid be formed, to reduce acid pH tune
The usage amount for saving agent both facilitates to reduce processing cost or more environmentally friendly.
Further preferably are as follows: the sludge outlet of the filter press is connected with filter residue case by pipeline and suction pump.
Through the above technical solutions, the filter residue that lye after filter press filters, leaves can be by pipeline and suction pump
It send to being collected in filter residue case, then send into boiler room incorporation coal and burn up, filter residue is prevented to be deposited in open area after drenching with rain
Form sewage pollution surface soil.
In conclusion the utility model has the following beneficial effects:
1. first reacting salkali waste with sodium hydrosulfite before carrying out acid-base neutralization to salkali waste, the coloration in salkali waste is removed
And solid impurity, the impurity in salkali waste is reduced, salkali waste processing is more thorough than traditional direct neutralization mode；
It is passed directly into 2. salkali waste reacts the toxic gases such as the Liquor Hydrogen Peroxide generated and hydrogen sulfide with sodium hydrosulfite by exhaust pipe
In pH conditioning tank, water and acid can be generated, to reduce the usage amount of acidic ph modifier, not only save the cost but also more environmentally-friendly.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the present embodiment.
In figure, 1, pretreatment pool；11, sodium hydrosulfite；12, exhaust pipe；13, exhaust fan；14, feed pipe；2, sedimentation basin；3, it presses
Filter；4, pH conditioning tank；41, pH adjusting agent；42, outlet tube；5, pipeline；6, suction pump；7, rabbling mechanism；71, motor；72,
Agitating shaft；73, paddle；8, filter residue case.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
A kind of salkali waste processing unit of alkali number machine, as shown in Figure 1, include by the sequentially connected pretreatment pool 1 of pipeline 5,
Sedimentation basin 2, filter press 3 and pH conditioning tank 4.Wherein pretreatment pool 1 and sedimentation basin 2, sedimentation basin 2 and filter press 3, filter press 3 with
One suction pump 6 is respectively installed on the pipeline 5 between pH conditioning tank 4.Bottom in pretreatment pool 1 is filled with sodium hydrosulfite 11, pH
Conditioning tank 4 is provided with pH adjusting agent 41, passes first into pretreatment pool 1 from the salkali waste being discharged in alkali number machine, then pass sequentially through it is heavy
Shallow lake pond 2, filter press 3 and pH conditioning tank 4 are handled, and PH conditioning tank 4 is connected with an outlet tube 42 close to bottom position.
The salkali waste being discharged in alkali number machine first reacts in pretreatment pool 1 with sodium hydrosulfite 11, removes coloration and solid impurity, then
Successively it is passed through the precipitating of sedimentation basin 2, filter press 3 is passed through generation neutralization reaction in pH neutralization pond and obtains can be used for industry after filtering
The salkali waste treatment fluid of production.
Pretreatment pool 1 is closing pond body and is equipped with rabbling mechanism 7, if rabbling mechanism 7 include motor 71, agitating shaft 72 and
Dry paddle 73.The top of pretreatment pool 1 is connected with feed pipe 14, and sodium hydrosulfite 11 and salkali waste pass through feed pipe 14 and put into pre- place
It manages in pond 1.Motor 71 is fixedly mounted on the top of pretreatment pool 1, and the top vertical of agitating shaft 72 passes through the top cover of pretreatment pool 1
And it is fixedly connected with the output shaft of motor 71, agitating shaft 72 is located on the central axis on 1 vertical direction of pretreatment pool, several stirrings
Leaf 73 is circumferential along agitating shaft 72 and agitating shaft 72 is axially uniformly fixed on agitating shaft 72.At agitating shaft 72 and 73 pairs of paddle
It is stirred in the salkali waste in pretreatment pool 1, sodium hydrosulfite 11 is driven to flow in salkali waste, make reacting more for sodium hydrosulfite 11 and lye
Add rapidly thoroughly.
Pretreatment pool 1 is connected with exhaust pipe 12 close to top position, and exhaust fan 13 and exhaust pipe are equipped on exhaust pipe 12
12 bottom is connected to the bottom inside of pH conditioning tank 4.Liquor Hydrogen Peroxide and hydrogen sulfide for generating when reaction in pretreatment pool 1 etc. have
Poisonous gas is passed directly into pH adjusting agent 41 by exhaust pipe 12 to react with water, is dissolved in water and generates acid, it is possible to reduce pH is adjusted
The usage amount of acid reagent in agent 41 is also handled toxic gas while saving cost, more environmentally-friendly.
The filtrate (liquid of filter press 3 is connected to pH conditioning tank 4, and the sludge outlet of filter press 3 then passes through pipeline 5 and takes out thorn
Pump is connected with filter residue case 8.The filter residue that filter residue case 8 leaves after filtering to lye carries out centralized collection, then send to boiler room and mix coal
Middle burn-up prevents filter residue to be deposited in open area and forms sewage pollution surface soil after drenching with rain.
Working principle: lye passes first into pretreatment pool 1 to be reacted with sodium hydrosulfite 11, the preliminary color removed in lye
The solid impurity of degree and larger particles；It is passed through sedimentation basin 2 again to settle remaining solid impurity, is further reduced impurity；So
A small amount of impurity of last remnants is filtered by filter press 3 afterwards, finally lye is passed through in pH conditioning tank 4 again and is neutralized
Reaction；Multistep treatment keeps the impurity treatment of lye more thorough.During this, the toxic gas of generation is reacted in pretreatment pool 1
It is passed directly into pH conditioning tank 4 by exhaust pipe 12, the acid for being dissolved in water is generated, to both reduce acid reagent in pH adjusting agent 41
Usage amount, save cost, toxic gas can also be handled, it is more environmentally-friendly.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (8)
1. a kind of salkali waste processing unit of alkali number machine, including pretreatment pool (1) and pH conditioning tank (4), the pretreatment tank (1) with
It is connected to by pipeline (5) with suction pump (6) between pH conditioning tank (4), it is characterized in that: being equipped with insurance in the pretreatment tank (1)
Powder (11), the pH conditioning tank (4) is interior to be equipped with pH adjusting agent (41).
2. a kind of salkali waste processing unit of alkali number machine according to claim 1, it is characterized in that: the pretreatment tank (1) and
Sedimentation basin (2) are equipped between pH conditioning tank (4), the sedimentation basin (2) passes through pipeline (5) and suction pump (6) and pretreatment pool (1)
And pH conditioning tank (4) connection.
3. the salkali waste processing unit of a kind of alkali number machine according to claim 2, it is characterized in that: the sedimentation basin (2) and institute
It states and is equipped with filter press (3) between pH conditioning tank (4), the filtrate (liquid of the filter press (3) passes through pipeline (5) and suction pump (6)
It is connected to sedimentation basin (2) and pH conditioning tank (4).
4. the salkali waste processing unit of a kind of alkali number machine according to claim 1-3, it is characterized in that: the pretreatment
Rabbling mechanism (7) are equipped in pond (1), the rabbling mechanism (7) includes motor (71), agitating shaft (72) and several paddles
(73), several paddles (73) are fixed on agitating shaft (72), the fixed company of the output shaft of motor (71) and agitating shaft (72) top
It connects.
5. the salkali waste processing unit of a kind of alkali number machine according to claim 1, it is characterized in that: the pretreatment tank (1) is
Exhaust pipe (12) are equipped at silent pond body and close top.
6. the salkali waste processing unit of a kind of alkali number machine according to claim 5, it is characterized in that: pacifying on the exhaust pipe (12)
Equipped with exhaust fan (13).
7. the salkali waste processing unit of a kind of alkali number machine according to claim 5 or 6, it is characterized in that: the exhaust pipe (12)
It is connected to the bottom of the pH conditioning tank (4).
8. the salkali waste processing unit of a kind of alkali number machine according to claim 3, it is characterized in that: the filter of the filter press (3)
Slag outlet is connected with filter residue case (8) by pipeline (5) and suction pump (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821546967.XU CN208898657U (en) | 2018-09-20 | 2018-09-20 | A kind of salkali waste processing unit of alkali number machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821546967.XU CN208898657U (en) | 2018-09-20 | 2018-09-20 | A kind of salkali waste processing unit of alkali number machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208898657U true CN208898657U (en) | 2019-05-24 |
Family
ID=66573166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821546967.XU Expired - Fee Related CN208898657U (en) | 2018-09-20 | 2018-09-20 | A kind of salkali waste processing unit of alkali number machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208898657U (en) |
-
2018
- 2018-09-20 CN CN201821546967.XU patent/CN208898657U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190524 Termination date: 20210920 |