CN205740599U - A kind of high-concentration coal gasification waste water processing system - Google Patents
A kind of high-concentration coal gasification waste water processing system Download PDFInfo
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- CN205740599U CN205740599U CN201620744439.XU CN201620744439U CN205740599U CN 205740599 U CN205740599 U CN 205740599U CN 201620744439 U CN201620744439 U CN 201620744439U CN 205740599 U CN205740599 U CN 205740599U
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Abstract
The utility model discloses a kind of high-concentration coal gasification waste water processing system, including the chemical micro-electrolysis device being sequentially connected with, flocculation plant, chemical oxidation device, described chemical micro-electrolysis device is added with the first catalyst of catalysis, electrolysis, being added with the second catalyst strengthening oxidation in described chemical oxidation device, described chemical micro-electrolysis device is acidity.This utility model is by chemistry micro-electrolysis device catalytic electrolysis, degraded organic macromolecule, pass sequentially through flocculation, oxidation again, reach efficient, rapid conversion, removal toxic organics, can efficiently remove multiple poisonous, the organic impurities of difficult biochemistry and ammonia nitrogen in high density in coal gasification waste water, while improving wastewater biodegradability, follow-up processing flow can be simplified again, reduce coal chemical industry enterprises cost for wastewater treatment.
Description
Technical field
This utility model belongs to field of waste water treatment, specifically, relates to a kind of high-concentration coal gasification waste water processing system.
Background technology
China is with coal as main energy sources, it is adaptable to the coal resources of gasification account for the 80% of whole coal resources, reach
500000000000 tons.But, coal gas generation conversion process exists a series of environmental problem, nearly all production process has
Pollutant produce, and wherein the harm of coal gas waste is maximum.In recent years, along with water resource growing tension, at many local water sources
Supply has become as and limits the restraining factors that enterprise expands production, increases production.To this end, coal chemical industry has extensively carried out water conservation, exert
Power opens up non-traditional water source, and sewage resource reuse is i.e. one of which main contents.
In coal gas waste, the comparison of ingredients of pollutant is complicated, and organic pollutant category is many, concentration is high and most toxicity is relatively strong,
Belong to the middle and high concentration organic wastewater of difficult for biological degradation.
At present, the method for conventional process coal gas waste mainly uses science and engineering at dephenolize steaming-ammonia pretreatment-multi-stage biological
Skill.Although substantial amounts of organic and inorganic pollution is removed after biological treatment, but due to hardly degraded organic substance in waste water
Exist, the water outlet after multi-stage biological process still contains a certain amount of persistent organic pollutants, its water outlet COD, ammonia nitrogen and color
The indexs such as degree tend not to reach discharge and reuse standard.It is thus desirable to before biochemical system strengthen pretreatment measure, by long-chain,
Ring-type difficult biochemical larger molecular organics carries out chain rupture, open loop, is converted into the most biochemical small organic molecule, improves biochemical system effect
Rate, it is ensured that system water outlet reaches discharge or reuse standard.
In view of this special proposition this utility model.
Utility model content
The technical problems to be solved in the utility model is to overcome the deficiencies in the prior art, it is provided that a kind of high-concentration coal gasification
Waste Water Treatment, by chemistry micro-electrolysis device catalytic electrolysis, degraded organic macromolecule, then passes sequentially through flocculation, oxidation, reaches
To efficiently, rapid conversion, removal toxic organics, that can efficiently remove multiple poisonous, difficult biochemistry in coal gasification waste water has
Machine impurity and ammonia nitrogen in high density, while improving wastewater biodegradability, can simplify again follow-up processing flow, reduces Coal Chemical Industry enterprise
Industry cost for wastewater treatment.
For solving above-mentioned technical problem, the basic conception of this utility model employing technical scheme is:
A kind of high-concentration coal gasification waste water processing system, including the chemical micro-electrolysis device being sequentially connected with, flocculation plant, change
Learn oxidation unit, described chemical micro-electrolysis device is added with the first catalyst of catalysis, electrolysis, described chemical oxygen
Being added with the second catalyst strengthening oxidation in gasifying device, described chemical micro-electrolysis device is acidity.
Further, described chemical micro-electrolysis device includes acidic catalyst micro-electrolysis reactor and the weak acid being sequentially connected with
Catalysis and micro-electrolysis reactor, is added with the 3rd catalyst of catalysis, electrolysis in described weak acid catalysis and micro-electrolysis reactor,
The pH value of described acidic catalyst micro-electrolysis reactor is less than the pH value of weak acid catalysis and micro-electrolysis reactor, described weak acid catalysis
Micro-electrolysis reactor is connected with flocculation plant.
Further, the first described additive is FCM series catalyst electrolysis material；Preferably, the first catalyst, the 3rd
Catalyst is FCM-IV series catalyst from electrolysis environment-friendly material.
Further, also include the neutralization device for neutralizing reaction, described neutralization device is added with enhancing and neutralizes
The neutralization medicament of reaction, described neutralization device is series between chemistry micro-electrolysis device and flocculation plant.
Further, also include settler and intermediate water tank, described settler and intermediate water tank be sequentially connected with and
It is connected between flocculation plant and chemical oxidation device.
Further, described chemical oxidation device is the ozone catalytic oxygen that application ozone carries out catalytic ozonation reaction
Changing pond, the second described catalyst is ozone catalyst；
Preferably, described ozone catalyst is SAO3 series ozone catalyst.
Further, described ozone is instant catalyst the most processed, and described chemical oxidation device is also connected with for immediately
Now system generates the ozone generating-device of ozone.
Further, being added with flocculation aid in described flocculation plant, described flocculation aid is PAM flocculation aid.
Further, the pH value of described acidic catalyst micro-electrolysis reactor is 2～4, and the catalysis and micro-electrolysis response time is 2
～4h.
Further, the pH value of described weak acid catalysis and micro-electrolysis reactor is 5～7, and the catalysis and micro-electrolysis response time is 2
～6h.
Further, described neutralization additive is sodium hydroxide solution, and the described pH value after neutralization device reaction is
7.5～8.5, the time neutralizing reaction is 0.5～2h.
Further, in the oxidizing process of described chemical oxidation device, pH value is 7～9.
Further, the time of described catalytic ozonation reaction is 1 3h.
It is several tiny that this utility model utilizes FCM-IV series catalyst to constitute from electrolysis environment-friendly material in water
Micro cell, self produces about 1230mv decomposition voltage in waste water, and electrode reaction occurs, the active component energy that electrode reaction produces
With the many component generation redox reaction in waste water, destroy the long-chain that organic macromolecule is stable in waste water, and make organic greatly
Functional group conversions in molecule, degraded, thus it is changed into the small organic molecule without complexing power, and by regulating the alkali of solution
Degree, is sequentially added into coagulant and flocculant coagulating sedimentation, makes major part small organic molecule separate from waste water with flco, then
Under SAO3 series ozone catalyst action, ozone quickly Organic substance remaining with cyanogen, phenol etc. reacts, by toxic organics oxygen
Turning to nontoxic CO2, organic acid etc., high-concentration coal gasification waste water eliminates waste water color under this technological process, simultaneously water outlet
Toxicity obtained abundant removal, improve waste water can biochemistry degree, reduce the difficulty of subsequent treatment.
After using technique scheme, this utility model compared with prior art has the advantages that.
In this utility model, FCM-IV series catalyst has micropore prosperity from electrolysis environment-friendly material, and specific surface area is big, reaction
Activity is strong, and to coal chemical industrial waste water treatment effect by specially good effect, FCM-IV series catalyst is regular spherical from electrolysis environment-friendly material structure,
Bulk density is low, it is simple to backwash, it is ensured that system is in unimpeded, active, efficient state whenever and wherever possible, and material self produces about
1230mv decomposition voltage, it is not necessary to extraneous offer power supply, energy consumption is low.
In this utility model, SAO3 series ozone catalyst uses up-to-date space frame technology, improves micropore quantity and distribution
The uniformity, it is thus achieved that higher specific surface area, can improve ozone oxidation efficiency, under same oxidizing condition, ozone to greatest extent
Oxidation efficiency improves 30-60%, it is possible to saves ozone and adds more than 30%.
This utility model comprehensive treatment effect is good, it is ensured that waste water is the index such as COD, NH3-N, colourity before biochemical system processes
Significantly cut down, be applicable to multi-component complex industrial waste water and process.
This utility model structure is simple and clear, simplifies follow-up processing flow, low to medicament demand, reduces coal chemical industry enterprises waste water
Processing cost, beneficially popularization and application.
Below in conjunction with the accompanying drawings detailed description of the invention of the present utility model is described in further detail.
Accompanying drawing explanation
Accompanying drawing, as the part of the application, is used for providing being further understood from of the present utility model, this utility model
Schematic description and description be used for explaining this utility model, but do not constitute improper restriction of the present utility model.Obviously,
Accompanying drawing in describing below is only some embodiments, to those skilled in the art, is not paying creative labor
On the premise of Dong, it is also possible to obtain other accompanying drawings according to these accompanying drawings.In the accompanying drawings:
Fig. 1 is the structural representation of this utility model embodiment one.
In figure: 1-acid condition catalysis and micro-electrolysis groove；2-solutions of weak acidity catalysis and micro-electrolysis groove；3-neutralization chamber；4-flocculates
Groove；5-stillpot；6-intermediate water tank；7-catalytic ozonation pond；8-gas distribution pipe；9-water distributor；10-FCM-IV series catalyst is certainly
Electrolysis environment-friendly material；11-inclined tube；12-SAO3 series ozone catalyst；13-backwash water distributor；14-backwash gas distribution pipe；
15-ozonator；16-aerator；17-inlet water tank；18-acid adding case.
It should be noted that these accompanying drawings and word describe and are not intended as limiting design of the present utility model by any way
Scope, but be that those skilled in the art illustrate concept of the present utility model by reference specific embodiment.
Detailed description of the invention
For making the purpose of this utility model embodiment, technical scheme and advantage clearer, new below in conjunction with this practicality
Accompanying drawing in type embodiment, is clearly and completely described the technical scheme in embodiment, and following example are used for illustrating this
Utility model, but it is not limited to scope of the present utility model.
In description of the present utility model, it should be noted that term " on ", D score, "front", "rear", "left", "right",
Orientation or the position relationship of the instruction such as " vertically ", " interior ", " outward " they are based on orientation shown in the drawings or position relationship, merely to
It is easy to describe this utility model and simplification description rather than instruction or the device of hint indication or element must have specific side
Position, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.
In description of the present utility model, it should be noted that unless otherwise clearly defined and limited, term " peace
Dress ", should be interpreted broadly " being connected ", " connection ", for example, it may be fix connection, it is also possible to be to removably connect, or integratedly
Connect；Can be to be mechanically connected, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary.
For the ordinary skill in the art, above-mentioned term specifically containing in this utility model can be understood with concrete condition
Justice.
This utility model one high-concentration coal gasification waste water processing system, including the chemical micro-electrolysis device being sequentially connected with,
Flocculation plant, chemical oxidation device, be added with the first catalyst of catalysis, electrolysis in described chemical micro-electrolysis device,
Being added with the second catalyst strengthening oxidation in described chemical oxidation device, described chemical micro-electrolysis device is acidity.
Wherein, described chemical micro-electrolysis device includes acidic catalyst micro-electrolysis reactor and the weak acid catalysis being sequentially connected with
Micro-electrolysis reactor, is added with the 3rd catalyst of catalysis, electrolysis in described weak acid catalysis and micro-electrolysis reactor, described
The pH value of acidic catalyst micro-electrolysis reactor be catalyzed micro-electricity less than the pH value of weak acid catalysis and micro-electrolysis reactor, described weak acid
Solving reactor to be connected with flocculation plant, described the first catalyst, the 3rd catalyst are FCM series catalyst electrolysis material, excellent
Selection of land, the first catalyst is that FCM-IV series catalyst is from electrolysis environment-friendly material.
This utility model also includes the neutralization device for neutralizing reaction, is added with enhancing and neutralizes in described neutralization device
The neutralization medicament of reaction, described neutralization device is series between chemistry micro-electrolysis device and flocculation plant.
This utility model also include settler and intermediate water tank, described settler and intermediate water tank be sequentially connected with and
It is connected between flocculation plant and chemical oxidation device.
Chemical oxidation device described in the utility model is the ozone catalytic that application ozone carries out catalytic ozonation reaction
Oxidation pond, the second described catalyst is ozone catalyst, it is preferable that described ozone catalyst is the catalysis of SAO3 series ozone
Agent；Described ozone is instant catalyst the most processed, and described chemical oxidation device is also connected with generating ozone for instant existing system
Ozone generating-device；Being added with flocculation aid in described flocculation plant, described flocculation aid is PAM flocculation aid.
It is several tiny that this utility model utilizes FCM-IV series catalyst to constitute from electrolysis environment-friendly material in water
Micro cell, self produces about 1230mv decomposition voltage in waste water, and electrode reaction occurs, the active component energy that electrode reaction produces
With the many component generation redox reaction in waste water, destroy the long-chain that organic macromolecule is stable in waste water, and make organic greatly
Functional group conversions in molecule, degraded, thus it is changed into the small organic molecule without complexing power, and by regulating the alkali of solution
Degree, is sequentially added into coagulant and flocculant coagulating sedimentation, makes major part small organic molecule separate from waste water with flco, then
Under SAO3 series ozone catalyst action, ozone quickly Organic substance remaining with cyanogen, phenol etc. reacts, by toxic organics oxygen
Turning to nontoxic CO2, organic acid etc., high-concentration coal gasification waste water eliminates waste water color under this technological process, simultaneously water outlet
Toxicity obtained abundant removal, improve waste water can biochemistry degree, reduce the difficulty of subsequent treatment.
Embodiment one
As it is shown in figure 1, the present embodiment one high-concentration coal gasification waste water processing system, including the micro-electricity of the chemistry being sequentially connected with
Solve device, flocculation plant, chemical oxidation device, described chemical micro-electrolysis device is added with catalysis, the first of electrolysis
Catalyst, described chemical oxidation device is added with strengthen oxidation the second catalyst, described chemical micro-electrolysis device in
Acid.
Specifically, including acid condition catalysis and micro-electrolysis groove 1, solutions of weak acidity catalysis and micro-electrolysis groove 2, neutralization chamber 3, flocculation
Groove 4, stillpot 5, intermediate water tank 6, catalytic ozonation pond 7, gas distribution pipe 8, water distributor 9, FCM-IV series catalyst are from being electrolysed ring
Protect material 10, inclined tube 11, SAO3 series ozone catalyst 12, backwash water distributor 13, backwash gas distribution pipe 14, ozonator
15, aerator 16, inlet water tank 17, acid adding case 18.
Wherein, the first catalyst, the 3rd catalyst are FCM-IV series catalyst from electrolysis environment-friendly material, the second catalyst
For for SAO3 series ozone catalyst, flocculation aid is PAM flocculation aid, and neutralization medicament is sodium hydroxide solution.The micro-electricity of acidic catalyst
The pH value solved controls 2～4, and the catalysis and micro-electrolysis response time is 2～4h；The pH value of weak acid catalysis and micro-electrolysis controls 5～7,
The catalysis and micro-electrolysis response time is 2～6h；Neutralizing the pH value after device reaction and control 7.5～8.5, the time neutralizing reaction is
0.5～2h；In the oxidizing process of chemical oxidation device, pH value controls 7～9；The catalytic ozonation response time is 1 3h.
It is embodied as: by waste water by after acid adding case 18 acid adjustment, be pumped up to acid condition being catalyzed micro-electricity from inlet water tank 17
Solve groove 1, and addition FCM-IV series catalyst is from electrolysis environment-friendly material in acid condition catalysis and micro-electrolysis groove 1, at acid condition
Under carry out catalysis and micro-electrolysis reaction, give full play to the reduction of [H], by a large amount of in waste water hardly degraded organic substance open loop, chain ruptures,
Larger molecular organics being decomposed into small organic molecule, improves wastewater biodegradability, remove wastewater toxicity, acid condition catalysis is micro-
Water outlet in electrolysis bath 1 enters in solutions of weak acidity catalysis and micro-electrolysis groove 2, adds FCM-IV series catalyst from electrolysis environment-friendly material
, there is oxidation-reduction, organic impurities of degrading further in material under remaining solutions of weak acidity, water outlet PH is promoted to 67, from
Flowing to neutralization chamber 3, add a small amount of sodium hydroxide solution, PH is adjusted to 89, the flocculation of water quality iron ion generates hydrated ferric oxide. flco,
From flowing to flocculation tank 4, adding the flocculation of PAM flocculation aid, form bulk flco, enter stillpot 5 precipitate and separate, water outlet is in flowing to
Between water tank 6, the boosted catalytic ozonation pond 7 that is pumped to carries out catalytic ozonation, in catalytic ozonation pond 7 add
SAO3 series ozone catalyst, the ozone quickly Organic substance remaining with cyanogen, phenol etc. immediately made by ozonator 15 is reacted,
Being CO2, organic acid etc. by oxidation operation, remove waste water color, water outlet toxicity is fully removed, then through microbial treatments, purifies
Rear reuse.
In the present embodiment, FCM-IV series catalyst has micropore prosperity from electrolysis environment-friendly material, and specific surface area is big, and reaction is lived
Property strong, and its structure is regular spherical, and bulk density is low, it is simple to backwash, so that it is guaranteed that system be in whenever and wherever possible unimpeded, live
Property, efficient state, material self produces about 1230mv decomposition voltage, it is not necessary to the extraneous power supply that provides, saves energy.
In the present embodiment, SAO3 series ozone catalyst uses up-to-date space frame technology, improves micropore quantity and distribution is equal
Evenness, it is thus achieved that higher specific surface area, can improve ozone oxidation efficiency, under same oxidizing condition, ozone oxygen to greatest extent
Change efficiency and improve 30-60%, it is possible to save ozone and add more than 30%.
The present embodiment comprehensive treatment effect is good, it is ensured that waste water index such as COD, NH3-N, colourity before biochemical system processes obtains
To significantly cutting down, it is applicable to multi-component complex industrial waste water and processes.
The present embodiment structure is simple and clear, simplifies follow-up processing flow, low to medicament demand, reduces at coal chemical industry enterprises waste water
Reason cost, beneficially popularization and application.
The above is only preferred embodiment of the present utility model, not makees this utility model any pro forma
Limit, although this utility model is disclosed above with preferred embodiment, but is not limited to this utility model, any familiar
The technical staff of this patent is in the range of without departing from technical solutions of the utility model, when the technology contents of available above-mentioned prompting is made
Go out a little change or be modified to the Equivalent embodiments of equivalent variations, as long as being the content without departing from technical solutions of the utility model,
Any simple modification, equivalent variations and the modification made above example according to technical spirit of the present utility model, the most still belongs to
In the range of this utility model scheme.
Claims (10)
1. a high-concentration coal gasification waste water processing system, it is characterised in that include chemical micro-electrolysis device, the wadding being sequentially connected with
Solidifying device, chemical oxidation device, be added with the first catalyst of catalysis, electrolysis, institute in described chemical micro-electrolysis device
Being added with the second catalyst strengthening oxidation in the chemical oxidation device stated, described chemical micro-electrolysis device is acidity.
A kind of high-concentration coal gasification waste water processing system the most according to claim 1, it is characterised in that described chemistry is micro-
Electrolysis unit includes acidic catalyst micro-electrolysis reactor and the weak acid catalysis and micro-electrolysis reactor being sequentially connected with, and described weak acid is urged
Change the 3rd catalyst being added with catalysis, electrolysis in micro-electrolysis reactor, described acidic catalyst micro-electrolysis reactor
PH value is less than the pH value of weak acid catalysis and micro-electrolysis reactor, and described weak acid catalysis and micro-electrolysis reactor is connected with flocculation plant.
A kind of high-concentration coal gasification waste water processing system the most according to claim 2, it is characterised in that described first is urged
Agent, the 3rd catalyst are FCM series catalyst electrolysis material.
A kind of high-concentration coal gasification waste water processing system the most according to claim 1, it is characterised in that also include in
With the neutralization device of reaction, described neutralizing is added with in device to strengthen and neutralizes the neutralization medicament reacted, described neutralization device
It is series between chemistry micro-electrolysis device and flocculation plant.
A kind of high-concentration coal gasification waste water processing system the most according to claim 1, it is characterised in that also include precipitation dress
Put and intermediate water tank, described settler and intermediate water tank be sequentially connected with and be connected on flocculation plant and chemical oxidation device it
Between.
A kind of high-concentration coal gasification waste water processing system the most according to claim 1, it is characterised in that described chemical oxygen
Makeup is set to the catalytic ozonation pond applying ozone to carry out catalytic ozonation reaction, and the second described catalyst is that ozone is urged
Agent.
A kind of high-concentration coal gasification waste water processing system the most according to claim 6, it is characterised in that described ozone is
Instant catalyst the most processed, described chemical oxidation device is also connected with generating the ozone generating-device of ozone for instant existing system.
A kind of high-concentration coal gasification waste water processing system the most according to claim 2, it is characterised in that described acidity is urged
The pH value changing micro-electrolysis reactor is 2～4, and the pH value of described weak acid catalysis and micro-electrolysis reactor is 5～7.
A kind of high-concentration coal gasification waste water processing system the most according to claim 4, it is characterised in that described neutralization adds
Adding agent is sodium hydroxide solution, and the described pH value after neutralization device reaction is 7.5～8.5.
10. according to a kind of high-concentration coal gasification waste water processing system described in claim 1 or 6, it is characterised in that described change
Learning pH value in the oxidizing process of oxidation unit is 7～9.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106007112A (en) * | 2016-07-15 | 2016-10-12 | 长沙桑尼环保科技有限公司 | High-concentration coal gasification wastewater treatment method and system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106007112A (en) * | 2016-07-15 | 2016-10-12 | 长沙桑尼环保科技有限公司 | High-concentration coal gasification wastewater treatment method and system |
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Address after: 610, unit n, building 1, Huayue Commercial Plaza, No. 300, Section 2, Xiangfu East Road, Yuhua District, Changsha City, Hunan Province, 410000 Patentee after: Changsha runtang Environmental Engineering Co.,Ltd. Address before: 410000 room 460, office building, management service center, No.18, south 2nd ring, Wanjiali Road, Yuhua District, Changsha City, Hunan Province Patentee before: CHANGSHA SUNNY ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. |
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