CN209522630U - A kind of desulfurization wastewater treatment system - Google Patents
A kind of desulfurization wastewater treatment system Download PDFInfo
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- CN209522630U CN209522630U CN201822090719.5U CN201822090719U CN209522630U CN 209522630 U CN209522630 U CN 209522630U CN 201822090719 U CN201822090719 U CN 201822090719U CN 209522630 U CN209522630 U CN 209522630U
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- lye
- desulfurization wastewater
- tank
- blow
- wastewater treatment
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Abstract
The utility model discloses a kind of desulfurization wastewater treatment systems, including pH value regulating box and to the lye supply unit to pH value regulating box conveying lye, lye supply unit includes alkali storage tank, the bottom of alkali storage tank is equipped with lye delivery pipe, is equipped with lye delivery pump in lye delivery pipe.For alkali storage in alkali storage tank, lye delivery pump is that lye pressurization can flow into pH value regulating box.Desulfurization wastewater treatment system replaces milk of lime by lye, and lye is not necessarily to human configuration, and can be conveyed by lye delivery pump, significantly reduces the working strength of operator, while avoiding bring dust pollution in configuration process.And the dosage of lye is easy to regulate and control, to improve the accuracy of desulfurization wastewater pH value adjusting.
Description
Technical field
The utility model relates to technical field of environment protection equipment, in particular to a kind of desulfurization wastewater treatment system.
Background technique
Faintly acid is mainly presented in desulfurization wastewater, and concentration of suspension is very high, but the particle diameter of suspended matter is smaller, mainly at
It is divided into dust and desulfurization product.Desulfurization wastewater also contain the heavy metals such as soluble chloride and fluoride etc. and mercury, lead from
Son.Desulfurization wastewater can be only achieved discharge standard after having to pass through chemical method processing.
In the prior art, desulfurization wastewater initially enters PH and adjusts in tank, adjusts in PH and adds the dilute of concentration about 2-5% in tank
Milk of lime makes desulfurization wastewater pH value reach 8.5~9.5.Hydroxide ion can make fluorine ion and heavy metal ion form indissoluble
Object, but configure milk of lime and need by manually mixing pulverized limestone and water, great work intensity, dust pollution is serious, and working environment is poor,
And dosage accuracy is low.
Therefore, how to reduce the working strength of adjusting desulfurization wastewater pH value is those skilled in the art's technology urgently to be solved
Problem.
Utility model content
The purpose of the utility model is to provide a kind of desulfurization wastewater treatment systems, are equipped with lye supply unit, and lye is defeated
It send unit to convey lye to pH value regulating box by lye delivery pump, reduces the working strength of operator.
To achieve the above object, the utility model provides a kind of desulfurization wastewater treatment system, including pH value regulating box and
To the lye supply unit to pH value regulating box conveying lye, the lye supply unit includes alkali storage tank,
The bottom of the alkali storage tank is equipped with lye delivery pipe, is equipped with lye delivery pump in the lye delivery pipe.
Preferably, cross-line is equipped between the outlet and entrance of the lye delivery pump, be equipped in the cross-line to control across
The cross-line valve of line on-off.
Preferably, the lower part of the alkali storage tank is additionally provided with the first blow-down tank, and the lye delivery pipe is equipped with to even
Lead to the first blow-down pipe of first blow-down tank, is equipped with the first blow valve in first blow-down pipe.
Preferably, the lye delivery pump is two, and the two lye delivery pumps are parallel with one another.
Preferably, the alkali storage tank is equipped with first liquid level gauge.
Preferably, the alkali storage tank is additionally provided with the alkali liquor inlet pipe to connect lye tank car.
Preferably, the alkali liquor inlet pipe is equipped with lye surge tank.
Preferably, lye discharging is equipped between the lye surge tank and the alkali storage tank to pump.
Preferably, the lower part of the lye surge tank is additionally provided with the second blow-down tank, and the lye surge tank is equipped with to even
Lead to the second blow-down pipe of second blow-down tank, is equipped with the second blow valve in second blow-down pipe.
Preferably, the lye surge tank is equipped with second liquid level gauge.
Desulfurization wastewater treatment system provided by the utility model, including pH value regulating box and lye supply unit, alkali
Liquid supply unit includes alkali storage tank, and the bottom of alkali storage tank is equipped with lye delivery pipe, is equipped with lye in lye delivery pipe
Delivery pump, lye delivery pipe are connected with pH value regulating box.For alkali storage in alkali storage tank, lye delivery pump is lye increasing
Pressure can flow into pH value regulating box.Desulfurization wastewater treatment system replaces milk of lime by lye, and lye is without artificial
Configuration, and can be conveyed by lye delivery pump, the working strength of operator is significantly reduced, while avoiding and matching
Bring dust pollution during setting.And the dosage of lye is easy to regulate and control, to improve the adjusting of desulfurization wastewater pH value
Accuracy.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 is the structural schematic diagram of lye supply unit in desulfurization wastewater treatment system provided by the utility model.
Wherein, the appended drawing reference in Fig. 1 are as follows:
Alkali storage tank 1, lye delivery pump 2, the first blow-down tank 3, lye surge tank 4, the 5, second emptying of lye discharging pump
Tank 6.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
In order to make those skilled in the art more fully understand the utility model, with reference to the accompanying drawing and specifically
The utility model is described in further detail for embodiment.
Referring to FIG. 1, Fig. 1 is the structure of lye supply unit in desulfurization wastewater treatment system provided by the utility model
Schematic diagram.
Desulfurization wastewater treatment system provided by the utility model includes pH value regulating box, when desulfurization wastewater flows through soda acid
Lye is added thereto when spending regulating box, to improve the pH value of desulfurization wastewater, reaching makes fluorine ion and heavy metal ion shape
At the purpose of indissoluble object.Desulfurization wastewater treatment system further includes lye supply unit, and lye supply unit includes alkali storage tank
1, the bottom of alkali storage tank 1 is equipped with lye delivery pipe, and lye delivery pipe is connected with pH value regulating box, sets in lye delivery pipe
There is lye delivery pump 2.Alkali storage flows into pH value regulating box after the pressurization of lye delivery pump 2 in alkali storage tank 1,
And it reacts in pH value regulating box with desulfurization wastewater and then removes fluorine ion and heavy metal ion in desulfurization wastewater.Alkali
Liquid can be specially sodium hydroxide solution, and certain user can also select other alkaline solutions as needed, it is not limited here.
Optionally, the entrance and exit of lye delivery pump 2 is equipped with valve, and the stream of lye is adjusted in the aperture for changing valve
Amount.In addition, the outlet of lye delivery pump 2 is additionally provided with pressure gauge, operator can adjust lye conveying according to the registration of pressure gauge
The valve of 2 outlet of pump, avoids pipeline superpressure.Lye can be transported to alkali storage tank 1 by lye process units or lye tank car.
In the present embodiment, lye supply unit is equipped in desulfurization wastewater treatment system, lye supply unit is stored up by lye
It deposits tank 1 and stores lye, and lye is delivered in pH value regulating box by lye delivery pump 2, lye and pH value regulating box
In desulfurization wastewater react, remove desulfurization wastewater in fluorine ion and heavy metal ion.Adjust desulfurization wastewater pH value
It does not need manually to deploy milk of lime in the process, significantly reduces the working strength of operator, while avoiding configuration process
Middle bring dust pollution.And the flow of lye can be controlled by the valve that lye delivery pump 2 exports, and improve desulfurization wastewater acid
The accuracy that basicity is adjusted.
Optionally, lye delivery pump 2 is two, and parallel with one another.The entrance of two lye delivery pumps 2 is equipped with valve,
An operating during desulfurization wastewater treatment system is run, in addition a conduct is spare.
In addition, being equipped with cross-line between the outlet and entrance of lye delivery pump 2.Certainly, two lye delivery pumps 2 can share one
Cross-line.It is equipped with cross-line valve in cross-line, can be opened when lye delivery pump 2 needs to switch or reconciles flux of alkaline liquor in lye delivery pipe
Cross-line valve.
In addition, the valve that cross-line valve and lye delivery pump 2 export can be solenoid valve, solenoid valve can be handled with desulfurization wastewater
The control device of system is connected, and reconciles flux of alkaline liquor by control device, improves the accuracy that desulfurization wastewater pH value is adjusted.
In the present embodiment, desulfurization wastewater treatment system is equipped with two lye delivery pumps 2, and in normal operation, one defeated
It send the other conduct of lye spare, once the lye delivery pump 2 of conveying lye, which breaks down, cut-in stand-by to be pumped at once, guarantees
The normal conveying of lye improves desulfurization wastewater treatment system reliability of operation.
Lye can be transported by tank car to alkali storage tank 1.Therefore, alkali storage tank 1 is equipped with alkali liquor inlet pipe, alkali liquor inlet
The front end of pipe is equipped with the structures such as the flange that can be connected with tank car or connector.Alkali storage tank 1 is additionally provided with first liquid level gauge, due to
Alkali storage tank 1 has certain influence to the flow of lye delivery pump 2, it is therefore desirable to keep the level stability of alkali storage tank 1.
Optionally, lye surge tank 4 is equipped in alkali liquor inlet pipe, lye is first flowed into lye surge tank 4 by tank car.Lye
Surge tank 4 can guarantee flow into alkali storage tank 1 in flux of alkaline liquor stablize, avoid 1 level fluctuation of alkali storage tank influence to
The lye amount of pH value regulating box conveying, to guarantee the accuracy that desulfurization wastewater pH value is adjusted.
In addition, settable lye discharging pump 5 between lye surge tank 4 and alkali storage tank 1.Lye is by lye discharging pump 5
It is flowed into lye surge tank 4 after pressurization.The entrance of lye discharging pump 5 is equipped with control valve, adjusts alkaline stream by control valve
Amount, and then guarantee the level stability of lye surge tank 4.Lye surge tank 4 is equipped with second liquid level gauge, when liquid level is lower than liquid level lower limit
When convey lye into lye surge tank 4, when liquid level be higher than the liquid level upper limit when stop conveying.If pressure in lye surge tank 4
Excessively high, lye can not be successfully into lye surge tank 4.Therefore, the top of lye surge tank 4 is equipped with exhaust valve, when to lye
Exhaust valve is opened when conveying lye in surge tank 4,4 hypertonia of lye surge tank is avoided to influence lye conveying.
In the present embodiment, alkali storage tank 1 is equipped with alkali liquor inlet pipe, can be connected by alkali liquor inlet pipe with tank car,
Lye is first flowed into lye surge tank 4 by tank car, then is delivered to alkali storage tank 1 by lye discharging pump 5.In alkali liquor inlet pipe
Setting lye surge tank 4 can guarantee that lye discharging pumps 5 stability of flow, and then guarantee the level stability of alkali storage tank 1, improve
The accuracy that desulfurization wastewater pH value is adjusted.
Desulfurization wastewater treatment system needs to purge container and pipeline when overhauling, therefore the lower part of alkali storage tank 1
Lye delivery pipe be connected with the first blow-down pipe, lye supply unit further includes the first blow-down tank 3, the outlet of the first blow-down pipe
It is connected to the first blow-down tank 3, the first blow valve is equipped in the first blow-down pipe.The position of obvious first blow-down tank 3 is lower than lye
Holding vessel 1 and lye discharging pump 5 open the first blow valve when being vented, and lye flows into the first blow-down tank 3.
Optionally, the lower part of lye surge tank 4 is equipped with the second blow-down pipe, and lye supply unit further includes the second blow-down tank
6, the outlet of the second blow-down pipe is connected to the second blow-down tank 6, and the second blow valve is equipped in the second blow-down pipe.Second is opened to put
Empty valve, the lye in lye surge tank 4 can flow into the second blow-down tank 6.Certainly, the first blow-down pipe and the second blow-down pipe
It can be connected with the first blow-down tank 3, when needing to be vented or purge, lye can be vented into the first blow-down tank 3.
In the present embodiment, desulfurization wastewater treatment system be equipped with the first blow-down tank 3 and the second blow-down tank 6, when need be vented or
When purge operations, lye supply unit can be vented into the first blow-down tank 3 and the second blow-down tank 6.Two are arranged in the present embodiment
Blow-down tank can reduce the requirement to emptying tank volume, since blow-down tank is generally disposed at underground, the smaller energy of the volume of blow-down tank
Enough reduce difficulty of construction and project amount.
It should be noted that in the present specification, such as first and second etc relational terms are used merely to one
Entity is distinguished with other several entities, and without necessarily requiring or implying between these entities, there are any this actual
Relationship or sequence.
Desulfurization wastewater treatment system provided by the utility model is described in detail above.Tool used herein
Body example is expounded the principles of the present invention and embodiment, and the above embodiments are only used to help understand
The method and its core concept of the utility model.It should be pointed out that for those skilled in the art, not taking off
Under the premise of from the utility model principle, several improvements and modifications can be made to this utility model, these improvement and modification
It also falls into the protection scope of the utility model claims.
Claims (10)
1. a kind of desulfurization wastewater treatment system, which is characterized in that including pH value regulating box and to be adjusted to the pH value
Case conveys the lye supply unit of lye, and the lye supply unit includes alkali storage tank (1), the alkali storage tank (1)
Bottom be equipped with lye delivery pipe, be equipped with lye delivery pump (2) in the lye delivery pipe.
2. desulfurization wastewater treatment system according to claim 1, which is characterized in that the outlet of the lye delivery pump (2)
It is equipped with cross-line between entrance, the cross-line valve to control cross-line on-off is equipped in the cross-line.
3. desulfurization wastewater treatment system according to claim 2, which is characterized in that the lower part of the alkali storage tank (1)
It is additionally provided with the first blow-down tank (3), the lye delivery pipe is equipped with the first blow-down pipe to be connected to first blow-down tank (3)
Line is equipped with the first blow valve in first blow-down pipe.
4. desulfurization wastewater treatment system according to claim 3, which is characterized in that the lye delivery pump (2) is two,
The two lye delivery pumps (2) are parallel with one another.
5. desulfurization wastewater treatment system according to claim 4, which is characterized in that the alkali storage tank (1) is equipped with the
One liquidometer.
6. according to claim 1 to desulfurization wastewater treatment system described in 5 any one, which is characterized in that the alkali storage
Tank (1) is additionally provided with the alkali liquor inlet pipe to connect lye tank car.
7. desulfurization wastewater treatment system according to claim 6, which is characterized in that the alkali liquor inlet pipe is slow equipped with lye
Rush tank (4).
8. desulfurization wastewater treatment system according to claim 7, which is characterized in that the lye surge tank (4) with it is described
Lye discharging pump (5) is equipped between alkali storage tank (1).
9. desulfurization wastewater treatment system according to claim 8, which is characterized in that the lower part of the lye surge tank (4)
It is additionally provided with the second blow-down tank (6), the lye surge tank (4) is equipped with the second emptying to be connected to second blow-down tank (6)
Pipeline is equipped with the second blow valve in second blow-down pipe.
10. desulfurization wastewater treatment system according to claim 9, which is characterized in that the lye surge tank (4) is equipped with the
Two liquidometers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822090719.5U CN209522630U (en) | 2018-12-12 | 2018-12-12 | A kind of desulfurization wastewater treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822090719.5U CN209522630U (en) | 2018-12-12 | 2018-12-12 | A kind of desulfurization wastewater treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209522630U true CN209522630U (en) | 2019-10-22 |
Family
ID=68226602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822090719.5U Expired - Fee Related CN209522630U (en) | 2018-12-12 | 2018-12-12 | A kind of desulfurization wastewater treatment system |
Country Status (1)
| Country | Link |
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| CN (1) | CN209522630U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111389324A (en) * | 2020-04-20 | 2020-07-10 | 湖北东方化工有限公司 | System and method for mixed washing and separation of nitro compounds |
-
2018
- 2018-12-12 CN CN201822090719.5U patent/CN209522630U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111389324A (en) * | 2020-04-20 | 2020-07-10 | 湖北东方化工有限公司 | System and method for mixed washing and separation of nitro compounds |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191022 Termination date: 20211212 |
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| CF01 | Termination of patent right due to non-payment of annual fee |