CN206570172U - A kind of brine waste zero emission processing unit - Google Patents
A kind of brine waste zero emission processing unit Download PDFInfo
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- CN206570172U CN206570172U CN201720243617.5U CN201720243617U CN206570172U CN 206570172 U CN206570172 U CN 206570172U CN 201720243617 U CN201720243617 U CN 201720243617U CN 206570172 U CN206570172 U CN 206570172U
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- concentrated water
- evaporated
- water tank
- brine waste
- waste
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Abstract
The utility model discloses a kind of brine waste zero emission processing unit, brine waste processing system connects waste water tank, one end of biofilter and waste water tank connection, the pretreating device connection of the other end and enrichment facility of biofilter, enrichment facility further connects concentrated water case, chemicals dosing plant is further connected with concentrated water case, and concentrated water case is by concentrated water pump and is evaporated device connection, is evaporated the other end and the condensate collector connection of device.The utility model utilizes existing equipment, while economizing on resources with fund, newly-increased equipment component can reach the present situation of the proper current most of coal-burning power plant of zero-emission purpose and chemical industry, and cost of reducing investment outlay, concentrated water is evaporated into low temperature MVR equipment, fresh water is back to use other systems or discharge, can save a large amount of processing costs.Meanwhile, the Nacl that low temperature MVR is dried to obtain can be sold as Nacl.
Description
Technical field
The utility model is related to environmental protection technical field, and in particular to a kind of brine waste zero emission processing unit.
Background technology
At present, the waste water that many industries are produced all has the feature of brine waste, such as thermal power plant is generally taken off using wet method
The desulfurization wastewater that sulphur FGD devices desulphurization system is produced；Bottom liquid that the techniques such as chemical industry synthesis are produced etc..Brine waste can contain
A variety of salts, wherein be no lack of heavy metal ion, or some anion for being limited by discharging standards, it is impossible to directly arrange
Put.Salinity in other brine waste has with certain value, can recycle.And brine waste generally influences biochemistry
System operation, simultaneous with corrosivity or can speed up the corrosion of system metal parts.With very big harmfulness, while again
With very high intractability.
In response to the minimum discharge of country, zero-emission and waste water recycling etc. are called, and many thermal power plants, chemical plant etc. are required
Designed by full factory's waste water zero emission.Such as thermal power plant generally uses three traditional header techniques, it is impossible to handle chlorion, simultaneously
Most desulfurization wastewater can not handle up to standard.Desulfurization wastewater after three header PROCESS FOR TREATMENTs still contains sodium chloride, sulphur
The salts such as sour sodium, or even have the organic matters such as oils, it still can not meet requirement.Such case is also appeared among other industry.
Utility model content
In order to solve the above problems, the utility model provides a kind of salt-containing waste water treating device, using existing equipment, saves
While resource and fund, newly-increased equipment component can reach the proper current most of coal-burning power plant of zero-emission purpose, change
The present situation of factory etc., and cost of reducing investment outlay, after concentration minimizing processing, concentrated water is evaporated into low temperature MVR devices, light
Water circulation can save a large amount of processing costs to original system or discharge.Meanwhile, low temperature MVR devices possess purification function, dry
The Nacl arrived, can sell as Nacl.
To achieve these goals, the technical solution adopted in the utility model is：A kind of brine waste zero emission processing dress
Put, including waste water tank, brine waste enters waste water tank, one end of biofilter and waste water tank connection, the other end of biofilter
With enrichment facility connection, enrichment facility further connects concentrated water case, and chemicals dosing plant is further connected with concentrated water case, and concentrated water case passes through
Concentrated water pump is connected with device is evaporated, and is evaporated the other end and the condensate collector connection of device.Existing equipment is utilized in line with trying one's best,
While economizing on resources with fund, newly-increased equipment component can reach the proper current most of coal-fired electricity of zero-emission purpose
Factory, the present situation of the enterprise such as chemical plant, and cost of reducing investment outlay.During processing, the water of brine waste is larger, although actual treatment
Amount is slightly smaller, but this water is dried for direct low temperature MVR or than larger, it is necessary to consume substantial amounts of heat energy, is had
There is higher operating cost；Larger equipment is needed simultaneously, cost of investment is added.Therefore first concentrated before the evaporation.
Minimizing processing is carried out to brine waste using enrichment facility, concentrated water is evaporated into low temperature MVR equipment, and fresh water enters fresh water
Case, is back to use other systems or discharge, can save a large amount of processing costs.Meanwhile, the Nacl that low temperature MVR is dried to obtain,
It can be sold as Nacl.
Preferably, it is additionally provided with pretreating device between the biofilter and enrichment facility.
Any of the above-described scheme is preferably, and the chemicals dosing plant is sodium hydroxide chemicals dosing plant or calcium hydroxide chemicals dosing plant
In any one, or other add single or mixed-alkali medicament chemicals dosing plant.
Any of the above-described scheme is preferably, and the device that is evaporated is low temperature MVR.
Any of the above-described scheme is preferably, and agitator is equipped with the waste water tank and concentrated water case.
The beneficial effects of the utility model are：The utility model provides a kind of brine waste zero emission processing unit, operation
Convenient, low energy consumption and cost is low, processing unit, including waste water tank, one end of biofilter and waste water tank connection, biofilter
The other end and enrichment facility connection, enrichment facility further connect concentrated water case, and chemicals dosing plant is further connected with concentrated water case, concentrated water
Case is by concentrated water pump and is evaporated device connection, is evaporated the other end and the condensate collector connection of device.The utility model is utilized
Existing equipment, while economizing on resources with fund, newly-increased equipment component can reach the proper portion big at present of zero-emission purpose
Divide the present situation of the enterprises such as coal-burning power plant, chemical plant, and cost of reducing investment outlay, concentrated water is evaporated into low temperature MVR equipment, light
Water circulation can save a large amount of processing costs to other systems or discharge.Meanwhile, the Nacl that low temperature MVR is dried to obtain can
To be sold as Nacl.
Brief description of the drawings
Fig. 1 is the structural representation of the preferred embodiment of the utility model one；
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.
As shown in figure 1, a kind of brine waste zero emission processing unit, electrodialysis is passed through on the basis of original handling process
System or other application electric drive, infiltration, principle of reverse osmosis enrichment facility (electrodialysis system, can also select counter-infiltration,
Super counter-infiltration, RO, super RO, DTRO etc.) etc. brine waste after the concentration means concentration such as system, then pass through profit again
Had by oneself with enterprises such as thermal power plant, chemical plant, ceramics heat energy (provide for oneself boiler or power plant for self-supply provide or outsourcing exhaust steam or
Person's afterheat steam, electric energy etc.), finally realize that low temperature MVR seasonings handle the zero-emission of brine waste.Brine waste processing system
Waste water tank 1 is connected, one end of biofilter 2 and waste water tank 1 are connected, and the other end and enrichment facility 3 of biofilter 2 are connected, dense
Compression apparatus 3 further connects fresh-water tank 4 and concentrated water case 5, and chemicals dosing plant 6 is further connected with concentrated water case 5, and concentrated water case 5 passes through
Concentrated water pump 7 and it is evaporated device 8 and connects, the other end and condensate collector 9 for being evaporated device 8 is connected.Device 8 is evaporated for low temperature
MVR devices, low temperature MVR devices are the materials such as a kind of macromolecular structure or band coating steel, using steam as thermal source, Neng Gou
(50-350 DEG C) relatively low of evaporating temperature be evaporated the device of operation.
Enrichment facility 3 is electrodialysis system or other application electric drive, infiltration, the enrichment facility of principle of reverse osmosis, can
To select electrodialysis system, counter-infiltration, super counter-infiltration, RO, super RO, the system such as DTRO can also be selected.The waste water tank 1
Agitator is equipped with concentrated water case 5, it is ensured that homogeneous.
Further, low temperature MVR can be used as thermal source from flue gas.
Pretreating device 10 is additionally provided between biofilter 2 and enrichment facility 3.Biofilter 1 refers to the bar in high salinity
COD can be handled to suitable concn with microorganism under part, reach the biofilter for entering water requirement of subsequent treatment link.Biological filter
Pond 2 can effectively handle dissolved organic matter, have the advantages that the efficient, quantity of slag is few, not dosing.Enrichment facility 3 and pre-treatment dress
Put 10 and refer to the systems such as electrodialysis and its pretreating device, the purpose of pre-treatment is the concentration of suspension for ensureing to enter concentration systems
Met the requirements with hardness.Concentrated water and fresh water are obtained after concentration, fresh water enters fresh-water tank 4, is back to use other systems or discharge.
Concentrated water enters low temperature MVR and carries out being evaporated operation.Chemicals dosing plant 6 is to be evaporated dress to ensure that brine waste enters in the basic conditions
8 are put, prevents volatile component such as chlorion from being escaped in acid condition in the form of hydrogen chloride, is set into air or corrosion
It is standby.
Concentrated water case 5 is used to collect the concentrated water after enrichment facility 3 is concentrated.The concentrated water case 5 is provided with agitator 11.
Chemicals dosing plant 6 is any one in sodium hydroxide chemicals dosing plant or calcium hydroxide chemicals dosing plant, naturally it is also possible to
Single or mixed-alkali medicament chemicals dosing plant is added for other.Device 8 is evaporated for low temperature MVR.Concentrated water is pumped into by concentrated water pump 7
Low temperature MVR devices.Agitator 11 is equipped with waste water tank 1 and concentrated water case 5, it is ensured that homogeneous.
A kind of processing method of brine waste zero emission processing unit, brine waste enters waste water tank 1, passes through biofilter
2 remove COD under conditions of high salt using microorganism, reach the inflow requirement of pretreating device 10；Pass through pretreating device 10
After processing, reach after suitable concentration of suspension and hardness and to be concentrated into enrichment facility 3, enrichment facility 3 obtains dense after concentrating
Water and fresh water；Fresh water enters fresh-water tank 4, is back to use other systems or discharge, concentrated water enters concentrated water case 5, while being filled by dosing
6 regulation PH are put to alkalescence, it is ensured that brine waste enters in the basic conditions is evaporated device 8, prevents volatile components chlorion from existing
Escaped under acid condition in the form of hydrogen chloride, into air or etching apparatus.Enter low temperature MVR by concentrated water pump pump 7 afterwards to enter
Row is evaporated operation；Low temperature MVR is using steam as thermal source, and the condensed water obtained after heat exchange enters condensate collector 9, low temperature MVR
Purification function is provided simultaneously with, the sodium chloride that purity is not less than Nacl standard is obtained after being evaporated, can be as industrial salt treatment.
General principle of the present utility model and principal character and advantage of the present utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification
Simply illustrate principle of the present utility model, on the premise of the utility model spirit and scope are not departed from, the utility model is also
Various changes and modifications are had, these changes and improvements are both fallen within the range of claimed the utility model.The utility model
Claimed scope is by appended claims and its equivalent thereof.
Claims (5)
1. a kind of brine waste zero emission processing unit, including waste water tank, it is characterised in that brine waste enters waste water tank, raw
The one end in thing filter tank and waste water tank connection, the other end and the enrichment facility connection of biofilter, enrichment facility further connects dense
Water tank, chemicals dosing plant is further connected with concentrated water case, and concentrated water case is by concentrated water pump and is evaporated device connection, is evaporated the another of device
End and condensate collector connection.
2. a kind of brine waste zero emission processing unit according to claim 1, it is characterised in that the biofilter and
Pretreating device is additionally provided between enrichment facility.
3. a kind of brine waste zero emission processing unit according to claim 1, it is characterised in that the chemicals dosing plant is
Any one in sodium hydroxide chemicals dosing plant or calcium hydroxide chemicals dosing plant, or other add single or mixed-alkali medicament
Chemicals dosing plant.
4. a kind of brine waste zero emission processing unit according to claim 1, it is characterised in that the device that is evaporated is
Low temperature MVR.
5. a kind of brine waste zero emission processing unit according to claim 1, it is characterised in that the waste water tank and dense
Agitator is equipped with water tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720243617.5U CN206570172U (en) | 2017-03-14 | 2017-03-14 | A kind of brine waste zero emission processing unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720243617.5U CN206570172U (en) | 2017-03-14 | 2017-03-14 | A kind of brine waste zero emission processing unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206570172U true CN206570172U (en) | 2017-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720243617.5U Expired - Fee Related CN206570172U (en) | 2017-03-14 | 2017-03-14 | A kind of brine waste zero emission processing unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106865897A (en) * | 2017-03-14 | 2017-06-20 | 广东浦华环保科技有限公司 | A kind of brine waste zero emission processing unit and processing method |
-
2017
- 2017-03-14 CN CN201720243617.5U patent/CN206570172U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106865897A (en) * | 2017-03-14 | 2017-06-20 | 广东浦华环保科技有限公司 | A kind of brine waste zero emission processing unit and processing method |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171020 Termination date: 20210314 |
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| CF01 | Termination of patent right due to non-payment of annual fee |