CN207792872U - A kind of hydrazine hydrate wastewater treatment equipment - Google Patents
A kind of hydrazine hydrate wastewater treatment equipment Download PDFInfo
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- CN207792872U CN207792872U CN201721574172.5U CN201721574172U CN207792872U CN 207792872 U CN207792872 U CN 207792872U CN 201721574172 U CN201721574172 U CN 201721574172U CN 207792872 U CN207792872 U CN 207792872U
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Abstract
The utility model provides a kind of hydrazine hydrate wastewater treatment equipment, belong to waste water or technical field of sewage, including sequentially connected raw water box, flocculation sedimentation tank, purpose ceramic-film filter, nanofilter and active carbon filter, the dense pipe outlet of nanofilter is connected with the entrance of raw water box, concentrated water passes through iterative cycles reflux cycle, without discharge, raw water box, flocculation sedimentation tank, purpose ceramic-film filter, nanofilter and active carbon filter are connected with main sewer.The utility model can not only solve the negative effects such as environmental pollution, the ecological disruption that hydrazine hydrate factory sewage direct emission generates, with preferable social benefit, and it can effectively solve to restrict the key technique problem of the hydrazine hydrate wastewater treatment of hydrazine hydrate production enterprise development, further expand enterprises' production capacity, it is energy saving, it reduces environmental pollution, raises labour productivity, the market competitiveness is improved, industry tap is become.
Description
Technical field
The utility model is related to waste water or technical field of sewage, specifically a kind of hydrazine hydrate wastewater treatment equipment.
Background technology
Hydrazine hydrate is a kind of fine chemical material highly important, purposes is very extensive, but hydrazine hydrate building-up process is produced
Raw sewage can all carry the organic impurities difficult to degrade such as a large amount of sodium chloride, acetone, hydrazine hydrate, ketazine;Sewage is not only organic
Species are various, and COD contents are high and biodegradability is poor.If by the hydrazine hydrate sewage direct emission of high concentration, ring can be seriously polluted
Border, and the sodium chloride being lost in is also the significant wastage to resource.For a long time, the illegal discharge beyond standards of hydrazine hydrate production sewage are very
Happen occasionally to the in line event in rivers and lakes, seriously polluted freshwater resources, constrain domestic hydrazine hydrate industry into
One step develops in a healthy way.Therefore for hydrazine hydrate industry healthy and sustainable development, the pollution problem of production waste is urgently to be resolved hurrily.
Maturation there is no for high saliferous, high concentration hard-degraded organic waste water that hydrazine hydrate building-up process generates both at home and abroad at present
Treatment technology.At abroad, high saliferous, high concentration hard-degraded organic waste water are handled still in research and trial operation stage, mainly
It is since high slat-containing wastewater comparison of ingredients is complicated, and physicochemical properties have larger difference compared with Normal wastewater, still locate at present
In research and development.
Chinese invention patent CN200510022109.6 provides a kind of physical chemistry combined techniques processing hydrazine hydrate effluent brine
Process can remove ammonia in effluent brine, hydrazine hydrate, different by techniques such as a series of rectifying (pressurization), stripping, strippings
The impurity such as the third hydrazine, isopropanol, acetone, manufactured refined brine produce caustic soda for chlor-alkali system electrolytic cell, realize returning for active principle
It receives and utilizes.The main purpose of the invention is the polluter removed in sewage, makes its qualified discharge.But there are still toxic for the technique
Waste discharge, the methyl chloride gas direct emission that stripping process generates, the gas have easy firing, explosive, High temperature
Methanol and hydrochloric acid easily are resolved into, heavy industrialization application will cause high-altitude to pollute.
Chinese invention patent CN201210525944.1 is provided a kind of handling hydrazine hydrate waste water using evaporative crystallization method
Process, a variety of circular treatments detached by evaporative crystallization, magma, recycles the inorganic salts in waste water, evaporative crystallization heel row
The waste water gone out is by carrying out Wastewater Treated by Activated Sludge Process after temperature adjustment.The invention mainly describes inorganic salts in recycling hydrazine hydrate waste water
Method specifically provides the processing method and treatment effect of condensation waste water after evaporative crystallization, and entire technique is related to preheating, rises
The processes such as temperature, evaporative crystallization, condensation, temperature adjustment, extremely consume energy.
To sum up, hydrazine hydrate sewage can economically and efficiently be handled still without a kind of general method at present.The utility model needle
To the processing bottleneck of hydrazine hydrate sewage, in conjunction with the characteristics of the high saliferous of hydrazine hydrate sewage, high-concentration hardly-degradable (COD contents 3000~
5000mg/L, sodium chloride content about 180000mg/L), hydrazine hydrate sewage disposal technology is researched and developed, using independent research
Ceramic membrane filter technology is removed in conjunction with ripe flocculation sediment technology, nanofiltration separation technology, activated carbon filtering technique in sewage
High-concentration hardly-degradable organic matter and turbidity make COD removal rates be up to 97% or more;Contained a large amount of NaCl in water are produced to be used for further
Recycling avoids environmental pollution and the wasting of resources.
Invention content
In view of this, the utility model overcomes the shortcomings of the prior art, a kind of hydrazine hydrate wastewater treatment equipment is provided.
In order to achieve the above objectives, the technical solution of the utility model is realized in:A kind of hydrazine hydrate wastewater treatment dress
It sets, including sequentially connected raw water box, flocculation sedimentation tank, purpose ceramic-film filter, nanofilter and active carbon filter, it is described
Flocculation sedimentation tank includes flocculation basin and sedimentation basin, and the dense pipe outlet of the nanofilter is connected with the entrance of raw water box, dense
Water is by iterative cycles reflux cycle, no discharge, the raw water box, flocculation sedimentation tank, purpose ceramic-film filter, nanofilter and
Active carbon filter is connected with main sewer.
Further, the purpose ceramic-film filter and ceramic membrane washing alkali cleaning equipment are connected, the active carbon filter and
Purge tank is connected.
Further, water producing tank and cartridge filter are equipped between the purpose ceramic-film filter and nanofilter successively.
Further, agitating device is equipped in the flocculation basin.
Further, the flocculation sedimentation tank is connected with flocculant storage tank.
Further, the purpose ceramic-film filter and active carbon filter are connected with compressed air line.
Further, the flocculant storage tank, ceramic membrane washing alkali cleaning equipment, cartridge filter and purge tank and tap water
Water supply pipe is connected.
Further, ceramic membrane filter core is equipped in the purpose ceramic-film filter, the aperture of the ceramic membrane filter core is 1~10
μm, the membrane flux of the ceramic membrane filter core is 200~800L (m2·h)-1。
Further, NF membrane is equipped in the nanofilter, the aperture of the NF membrane is 1~2nm.
Further, the activated carbon in the active carbon filter is cylindrical particulate, and granularity is 0.4~2.4mm, than
Surface area is 500~1500m2/ g, pore total measurement (volume) are 0.6~1.18m3/g。
The treatment process of above-mentioned hydrazine hydrate wastewater treatment equipment, includes the following steps:
(1) sewage is squeezed into flocculation basin, while flocculant is added into flocculation basin, then squeezed into sedimentation basin, in sewage
Suspended impurity, colloid is gathered into bulky grain in sedimentation basin and settles under the effect of gravity;
(2) sewage after flocculating setting in the step (1) is squeezed into purpose ceramic-film filter, retains and is not settled in sedimentation basin
Small molecule suspended matter, the particles such as colloid;
(3) sewage after ceramic membrane filter in the step (2) is squeezed into nanofilter, retains the small molecule in sewage
Suspended matter, granule foreign and most of high-enriched organics, NF membrane can efficiently separate the monovalent ion in sewage, nanofiltration retention
Concentrate recirculation to raw water box, concentrated water passes through iterative cycles reflow treatment, no discharge;
(4) the production water of nanofilter in the step (3) is squeezed into active carbon filter, utilizes the adsorption energy of activated carbon
Power, primary attachment remove the high-concentration hardly-degradable organic matter in sewage;
(5) sewage realizes that production water COD is less than 80mg/L, turbidity is less than 2NTU, meets recycling after above-mentioned process
Using requirement, it can be used for following resourceization utilization.
Further, the operating pressure of the purpose ceramic-film filter is 0.05~0.15Mpa;The behaviour of the nanofilter
It is 2~4Mpa to make pressure;The operating pressure of the active carbon filter is 0.1~0.15Mpa.
Compared with the existing technology, the utility model has the advantage that:
(1) research and development of hydrazine hydrate sewage disposal technology thoroughly solve high saliferous high-concentration hardly-degradable hydrazine hydrate sewage
Emission problem;
(2) activated carbon adsorption can efficiently remove contained high-concentration hardly-degradable organic matter in hydrazine hydrate sewage, and COD removal rates are high
Up to 97% or more;
(3) activated carbon is to COD's after using the thermokalite wash cycles regenerating active carbon technique of independent research that can realize regeneration
Removal rate is up to 90% or more, and regeneration times are up to 5~10 times;
(4) the advantages of multiple film Integration ofTechnology combines various films optimizes system separating property, ensure that device is continuous
Stable operation.
To sum up, the utility model can not only solve environmental pollution, the ecological disruption that hydrazine hydrate factory sewage direct emission generates
Deng negative effect, there is preferable social benefit, and the hydrazine hydrate that can effectively solve to restrict hydrazine hydrate production enterprise development is useless
The key technique problem of water process, further expands enterprises' production capacity, energy saving, reduces environmental pollution, and improves labour
Productivity improves the market competitiveness, becomes industry tap.
Description of the drawings
The attached drawing for constituting the part of the utility model is used to provide a further understanding of the present invention, this practicality is new
The illustrative embodiments and their description of type are not constituted improper limits to the present invention for explaining the utility model.
In attached drawing:
Fig. 1 is hydrazine hydrate wastewater treatment equipment figure.
Fig. 2 is the process flow chart of hydrazine hydrate wastewater treatment equipment.
In figure:1, raw water box;2, flocculation sedimentation tank;21, flocculation basin;22, sedimentation basin;23, agitating device;3, ceramic membrane mistake
Filter;4, nanofilter;5, active carbon filter;6, ceramic membrane washes alkali cleaning equipment;7, flocculant storage tank;8, security personnel's filtering
Device;9, purge tank;10, tap water water supply pipe;11, compressed air line;12, main sewer;13, water producing tank.
Specific implementation mode
Specific embodiment of the present utility model is described in detail below.It should be understood that tool described herein
Body embodiment is only used for describing and explaining the present invention, and is not intended to limit the utility model.
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
Embodiment one
As shown in Figure 1, a kind of hydrazine hydrate wastewater treatment equipment, including sequentially connected raw water box 1, flocculation sedimentation tank 2, pottery
Porcelain membrane filter 3, nanofilter 4 and active carbon filter 5, flocculation sedimentation tank 2 include flocculation basin 21 and sedimentation basin 22, flocculation
Agitating device 23 is equipped in pond 21, flocculation sedimentation tank 2 is connected with flocculant storage tank 7, and flocculant storage tank 7 is used for into flocculation basin 21
Flocculant is added, the dense pipe outlet of nanofilter 4 is connected with the entrance of raw water box 1, and concentrated water is followed by iterative cycles reflux
Ring, no discharge, purpose ceramic-film filter 3 are connected with ceramic membrane washing alkali cleaning equipment 6, and active carbon filter 5 is connected with purge tank 9,
Water producing tank 13 and cartridge filter 8, flocculant storage tank 7, ceramics are equipped between purpose ceramic-film filter 3 and nanofilter 4 successively
Film water soda washes equipment 6, cartridge filter 8 and purge tank 9 and is connected with tap water water supply pipe 10, is equipped in purpose ceramic-film filter 3
The aperture of ceramic membrane filter core, ceramic membrane filter core is 1~10 μm, and the membrane flux of ceramic membrane filter core is 200~800L (m2·h)-1,
NF membrane is equipped in nanofilter 4, the aperture of NF membrane is 1~2nm, and the activated carbon in active carbon filter 5 is cylinder
Graininess, granularity are 0.4~2.4mm, and specific surface area is 500~1500m2/ g, pore total measurement (volume) are 0.6~1.18m3/ g, ceramics
Membrane filter 3 and active carbon filter 5 are connected with compressed air line 11, and compressed air is respectively enterd by compressed air line
Purpose ceramic-film filter 3 and active carbon filter 5, ceramic membrane wash alkali cleaning equipment 6 and compressed air are coordinated to be used for ceramic membrane filter core
Cleaned, purge tank 9 coordinates compressed air for being cleaned to active carbon filter 5, raw water box 1, flocculation sedimentation tank 2,
Purpose ceramic-film filter 3, nanofilter 4 and active carbon filter 5 are connected with main sewer 12.
Embodiment two
As shown in Fig. 2, a kind for the treatment of process of hydrazine hydrate wastewater treatment equipment, includes the following steps:
(1) sewage in raw water box is squeezed into the flocculation basin with agitating device, while from flocculant storage tank to flocculation basin
Then middle addition flocculant PAC, additive amount 50000mg/L are squeezed into sedimentation basin, the suspended impurity, colloid in sewage are heavy
It is gathered into bulky grain in the pond of shallow lake and settles under the effect of gravity, is used for biochemical treatment;
(2) sewage after flocculating setting in the step (1) is squeezed into purpose ceramic-film filter, the aperture of ceramic membrane filter core is
2 μm, the membrane flux of ceramic membrane filter core is 200L (m2·h)-1, operating pressure 0.08MPa retains and do not settled in sedimentation basin
The particles such as small molecule suspended matter, colloid;
(3) sewage after ceramic membrane filter in the step (2) is entered into water producing tank, is received by being squeezed into after cartridge filter
Filter is filtered, the aperture of NF membrane is about 1nm, operating pressure 4MPa, retains small molecule suspended matter, granule foreign in sewage
And most of high-enriched organics, NF membrane can efficiently separate the monovalent ion in sewage, the concentrate recirculation that nanofiltration retains to original
Water tank, concentrated water pass through iterative cycles reflow treatment, no discharge;
(4) the production water of nanofilter in the step (3) is squeezed into active carbon filter, utilizes the adsorption energy of activated carbon
Power, primary attachment remove the high-concentration hardly-degradable organic matter in sewage, operating pressure 0.1MPa, and activated carbon is cylinder
Graininess, granularity is between 0.7mm, specific surface area 1320m2/ g, pore total measurement (volume) are 1.04m3/g;
(5) sewage realizes that production water COD is less than 80mg/L, turbidity is less than 2NTU, meets recycling after above-mentioned process
Using requirement, it can be used for following resourceization utilization.
Embodiment three
As shown in Fig. 2, a kind for the treatment of process of hydrazine hydrate wastewater treatment equipment, includes the following steps:
(1) sewage in raw water box is squeezed into the flocculation basin with agitating device, while from flocculant storage tank to flocculation basin
Then middle addition flocculant PAM, additive amount 100mg/L are squeezed into sedimentation basin, the suspended impurity, colloid in sewage are precipitating
It is gathered into bulky grain in pond and settles under the effect of gravity, is used for biochemical treatment;
(2) sewage after flocculating setting in the step (1) is squeezed into purpose ceramic-film filter, the aperture of ceramic membrane filter core is
7 μm, the membrane flux of ceramic membrane filter core is 600L (m2·h)-1, operating pressure 0.1MPa retains and do not settled in sedimentation basin
The particles such as small molecule suspended matter, colloid;
(3) sewage after ceramic membrane filter in the step (2) is entered into water producing tank, is received by being squeezed into after cartridge filter
Filter is filtered, the aperture of NF membrane is about 1.5nm, operating pressure 3MPa, and small molecule suspended matter, the particle retained in sewage is miscellaneous
Matter and most of high-enriched organics, NF membrane can efficiently separate the monovalent ion in sewage, and the concentrate recirculation of nanofiltration retention is extremely
Raw water box, concentrated water pass through iterative cycles reflow treatment, no discharge;
(4) the production water of nanofilter in the step (3) is squeezed into active carbon filter, utilizes the adsorption energy of activated carbon
Power, primary attachment remove the high-concentration hardly-degradable organic matter in sewage, and operating pressure 0.12MPa, activated carbon is cylinder
Shape graininess, granularity is between 1.5mm, specific surface area 800m2/ g, pore total measurement (volume) are 0.9m3/g;
(5) sewage realizes that production water COD is less than 80mg/L, turbidity is less than 2NTU, meets recycling after above-mentioned process
Using requirement, it can be used for following resourceization utilization.
Example IV
As shown in Fig. 2, a kind for the treatment of process of hydrazine hydrate wastewater treatment equipment, includes the following steps:
(1) sewage in raw water box is squeezed into the flocculation basin with agitating device, while from flocculant storage tank to flocculation basin
Then middle addition flocculant PAM, additive amount 80mg/L are squeezed into sedimentation basin, the suspended impurity, colloid in sewage are in sedimentation basin
In be gathered into bulky grain and settle under the effect of gravity, be used for biochemical treatment;
(2) sewage after flocculating setting in the step (1) is squeezed into purpose ceramic-film filter, the aperture of ceramic membrane filter core is
10 μm, the membrane flux of ceramic membrane filter core is 800L (m2·h)-1, operating pressure 0.12MPa, retain sedimentation basin in do not settle
Small molecule suspended matter, the particles such as colloid;
(3) sewage after ceramic membrane filter in the step (2) is entered into water producing tank, is received by being squeezed into after cartridge filter
Filter is filtered, the aperture of NF membrane is about 2nm, operating pressure 2MPa, retains small molecule suspended matter, granule foreign in sewage
And most of high-enriched organics, NF membrane can efficiently separate the monovalent ion in sewage, the concentrate recirculation that nanofiltration retains to original
Water tank, concentrated water pass through iterative cycles reflow treatment, no discharge;
(4) the production water of nanofilter in the step (3) is squeezed into active carbon filter, utilizes the adsorption energy of activated carbon
Power, primary attachment remove the high-concentration hardly-degradable organic matter in sewage, and operating pressure 0.15MPa, activated carbon is cylinder
Shape graininess, granularity is between 1.2mm, specific surface area 900m2/ g, pore total measurement (volume) are 0.95m3/g;
(5) sewage realizes that production water COD is less than 80mg/L, turbidity is less than 2NTU, meets recycling after above-mentioned process
Using requirement, it can be used for following resourceization utilization.
It is further to note that specific technical features described in the above specific embodiments, in not lance
It in the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the utility model is to each
The possible combination of kind no longer separately illustrates.
In addition, arbitrary combination can also be carried out between a variety of different embodiments of the utility model, as long as it is not disobeyed
The thought for carrying on the back the utility model, equally should be considered as content disclosed in the utility model.
Claims (10)
1. a kind of hydrazine hydrate wastewater treatment equipment, it is characterised in that:Including sequentially connected raw water box, flocculation sedimentation tank, ceramics
Membrane filter, nanofilter and active carbon filter, the flocculation sedimentation tank include flocculation basin and sedimentation basin, the nanofiltration
The dense pipe outlet of filter is connected with the entrance of raw water box, and concentrated water passes through iterative cycles reflux cycle, no discharge, the raw water
Case, flocculation sedimentation tank, purpose ceramic-film filter, nanofilter and active carbon filter are connected with main sewer.
2. hydrazine hydrate wastewater treatment equipment according to claim 1, it is characterised in that:The purpose ceramic-film filter and ceramics
Film water soda washes equipment and is connected, and the active carbon filter is connected with purge tank.
3. hydrazine hydrate wastewater treatment equipment according to claim 2, it is characterised in that:The purpose ceramic-film filter and nanofiltration
Water producing tank and cartridge filter are equipped between filter successively.
4. hydrazine hydrate wastewater treatment equipment according to claim 3, it is characterised in that:Stirring dress is equipped in the flocculation basin
It sets.
5. hydrazine hydrate wastewater treatment equipment according to claim 4, it is characterised in that:The flocculation sedimentation tank and flocculant
Storage tank is connected.
6. hydrazine hydrate wastewater treatment equipment according to claim 5, it is characterised in that:The purpose ceramic-film filter and activity
Carbon filter is connected with compressed air line.
7. hydrazine hydrate wastewater treatment equipment according to claim 6, it is characterised in that:The flocculant storage tank, ceramic membrane
Washing alkali cleaning equipment, cartridge filter and purge tank are connected with tap water water supply pipe.
8. hydrazine hydrate wastewater treatment equipment according to claim 1, it is characterised in that:It is equipped in the purpose ceramic-film filter
The aperture of ceramic membrane filter core, the ceramic membrane filter core is 1~10 μm, and the membrane flux of the ceramic membrane filter core is 200~800L
(m2·h)-1。
9. hydrazine hydrate wastewater treatment equipment according to claim 1, it is characterised in that:It is equipped with and receives in the nanofilter
The aperture of filter membrane, the NF membrane is 1~2nm.
10. hydrazine hydrate wastewater treatment equipment according to claim 1, it is characterised in that:In the active carbon filter
Activated carbon is cylindrical particulate, and granularity is 0.4~2.4mm, and specific surface area is 500~1500m2/ g, pore total measurement (volume) are 0.6
~1.18m3/g。
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Cited By (1)
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CN107721023A (en) * | 2017-11-22 | 2018-02-23 | 天津海泽惠科技发展有限公司 | A kind of hydrazine hydrate wastewater treatment equipment and its technique |
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CN107721023A (en) * | 2017-11-22 | 2018-02-23 | 天津海泽惠科技发展有限公司 | A kind of hydrazine hydrate wastewater treatment equipment and its technique |
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