CN207210049U - Catalytic wet oxidation administers the device of hydrochloric organic wastewater - Google Patents
Catalytic wet oxidation administers the device of hydrochloric organic wastewater Download PDFInfo
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- CN207210049U CN207210049U CN201721151679.XU CN201721151679U CN207210049U CN 207210049 U CN207210049 U CN 207210049U CN 201721151679 U CN201721151679 U CN 201721151679U CN 207210049 U CN207210049 U CN 207210049U
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- hydrochloric acid
- tail washings
- hydrochloric
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Abstract
The utility model discloses the device that a kind of catalytic wet oxidation administers hydrochloric organic wastewater, for handling the waste water containing hydrochloric acid and organic matter simultaneously, the device has the wastewater storage tank of UNICOM, heating tower, catalysis oxidizing tower, tail washings tank successively, the metallic catalyst not chemically reacted with hydrochloric acid is preset in catalytic oxidation chamber, catalytic oxidation chamber can separately be connected with hydrogen peroxide supply entrance.The utility model can reclaim hydrochloric acid and degradation of organic substances matter simultaneously, and processing cost is relatively low, not produce new pollutant component in tail washings.
Description
Technical field
It the utility model is related to a kind of purification treatment technology of the hydrochloric waste water containing organic substance.
Background technology
The organic substance such as hydro carbons, aldehyde, ketone, alcohol, carboxylic acid, lipid in organic wastewater be present, be also mixed with inorganic acid, alkali sometimes
Or salt.Conventional purification treatment technology has absorption method, biological degradation method, chemical reaction method, way of distillation etc..
The catalytic oxidation of organic substance, refer under certain pressure and temperature conditionss, using metal material as catalyst, such as
For oxidant in the case of Pt, Pd, Ni, Cu etc. are present and with air, oxygen, ozone etc., oxidation reaction, bag are carried out to organic substance
" oxygenation " is included, " dehydrogenation " two aspect.But some organic matters, such as carboxylic acid are not acted on.Organic substance is present in the aqueous solution
When middle, it can be handled using Wet Catalytic Oxidation Method.But when also acid ingredient be present in the aqueous solution, due to acid right
Metallic catalyst and pipeline have stronger corrosivity, and the method is just without the application technology of maturation.
The invention that number of patent application is 2015106380969 is related to a kind of processing method of acidic organic wastewater, is to acid
Property organic wastewater in sequentially add magnesium hydroxide, pH value of waste water control is added manganese dioxide and Fenton reagent is entered 4~5
Row processing.The processing method of the acidic organic wastewater of acquisition, it is to be combined physical absorption with chemical reaction, for acid organic
The plurality of heavy metal pollutant contained in waste water, intractable high COD, high chroma organic matter and the aromatic compounds of difficult degradation
And heterocyclic compound, effectively removed.Many ektogenics are with the addition of in the processing method, cause the impurity that brings more,
And processing cost is higher.
A kind of method for removing organic matter in high hydrochloric acid waste water of disclosure of the invention that number of patent application is 2014108125607
And device.Method is：By concentrated hydrochloric acid waste water together with ozone in photocatalysis apparatus through uviol lamp catalytic reaction 20-
50min, gas-liquid separation device is entered after the completion of reaction, the waste water of organics removal is obtained after gas-liquid separation.Device includes
Inlet channel, water tank, ozone generator, photocatalysis apparatus and gas-liquid separation device.The present invention using ozone strong oxidizing property with
And photocatalysis carries out oxidation to the Cl- in hydrochloric acid waste water and produces Cl2 and produce hydroxyl radical free radical, so as to in waste water
Organic matter carries out efficient degradation.The ozone used in the invention is odorous, and the oxide etch to pipeline is too strong, and manufactures
The cost of equipment of ozone is higher.The subsequent recovery processing that hydrochloric acid is become to Cl2 in addition is cumbersome.
The content of the invention
Purpose of utility model：
A kind of simple process is provided, hydrochloric acid solution is synchronously purified processing, does not produce other pollutant components with organic matter
Catalytic wet oxidation administers the device of acidic organic wastewater.
Technical scheme：
The catalytic wet oxidation that the utility model is related to administers the device of acidic organic wastewater, contains salt simultaneously for handling
The waste water of acid and organic matter, the device according to waste water flow, have successively the wastewater storage tank of UNICOM, heating tower, catalysis oxidizing tower,
Tail washings tank.
Circulation heating tube and circulating pump can be connected between heating tower and catalysis oxidizing tower, is realized to useless in reaction
Water carries out circulating-heating so that waste water catalysis oxidation temperature therein reaches 120 ~ 180 DEG C（When temperature is too high, hydrogen chloride is easily waved
Hair, catalytic oxidation effect is bad when temperature is inadequate）.Device and the inwall of pipeline that reaction is related to all are the material systems of resistance to hydrochloric acid
Into.
Catalysis oxidizing tower has waterwater entrance, waste water circulation outlet（UNICOM's circulation heating tube, after being heated into heating tower
Enter catalysis oxidizing tower from waterwater entrance again）, internal catalytic oxidation chamber, air supply mouth（Supplement the sky containing oxygen
Gas）, clean gas outlet（For discharging the carbon dioxide and vapor that are generated after catalytic oxidation）, tail washings outlet（For catalysis
The liquid product outflow formed after oxidation）.
The metallic catalyst for promoting oxidation reaction, preferably granular metal or alloy are preset in catalytic oxidation chamber
Catalyst, from the metallic catalyst not chemically reacted with hydrochloric acid, and be only involved in the catalytic oxidation mistake of organic matter
Journey.It is preferred that Pt metal, Au, Ag or Cu or their alloy.Hour time 2-5 of catalysis oxidation so that oxidation reaction is more thorough
Bottom, organic substance are oxidized degraded substantially.
Supercharging device is preferably connected with catalytic oxidation chamber so that cavity pressure is 0.5 ~ 1.5Mpa so that hydrochloric acid
In hydrogen chloride gas be not easy to escape, vapor is discharged on a small quantity, and hydrogen chloride is not discharged with carbon dioxide substantially so that tail washings
Middle concentration of hydrochloric acid increases as 30% or so.
Tail washings exports UNICOM's tail washings tank, has precipitation or filter in tail washings tank, precipitates or filter out metal catalytic
Agent.Remaining taphole connects hydrochloric acid tank.
Wastewater storage tank can connect waste hydrochloric acid（30-35%）Device for supplying, when the content of hydrochloric acid in organic wastewater is less than 15%
When fed.
Hydrochloric acid in hydrochloric acid tank can be as the hydrochloric acid source in device for supplying, or separately recovery uses.
In the present invention, catalytic oxidation chamber separately has hydrogen peroxide supply entrance, using the preferable oxidisability of hydrogen peroxide,
Coordinate the oxygen in air, more thoroughly catalytic oxidation is carried out in the presence of catalyst.
Hydrogen peroxide why is selected without selecting ozone, because the oxidisability of ozone is too strong, easily causes this reaction system
Metallic catalyst be oxidized to metal oxide, lose catalytic action.Moreover, the dioxygen water transport of liquid and addition are more smelly
Oxygen is easy, and cost is relatively low.The gaseous products of the reaction system are water vapour and carbon dioxide, will not produce the complexity such as chlorine
Composition.
Certainly, if hydrogen peroxide oxidisability in having acid system existing for ferrous ion is also very strong, so the present invention
It is preferably the hydrochloric organic wastewater without ferrous ion in acidic organic wastewater.
The utility model can use two catalysis oxidizing towers, two heating towers, two circulating pumps and circulation line, supercharging
The two-stage catalytic oxidizing equipment of device so that waste water increased retention in catalysis oxidizing tower, oxidation are more thorough.In catalysis oxygen
Change the waterwater entrance of tail washings outlet UNICOM second catalysis oxidizing tower of tower, the tail washings outlet connection tail washings of the second catalysis oxidizing tower
Tank.
During using two-stage catalysis oxidizing tower, due to and reaction organic concentration it is larger, reaction speed is very fast.One-level is followed
The rate of pumping of ring pump is slower, and firing rate is relatively low.The rate of pumping of secondary cycle pump is very fast（By Frequency Converter Control）, heating temperature
Degree is higher so that the gaseous products discharge capacity of two-stage reaction is close, the parts in uniform use device.Or steam gasification
More, tail washings is concentrated.
Beneficial effect：
Part of appliance of the present utility model is less, and flow is shorter, and manufacturing cost is relatively low, convenient for installation and maintenance.Reaction temperature
Relatively low, reaction pressure is normal pressure or smaller negative pressure, and energy consumption is smaller, and security is higher.The sulfuric acid solution that catalyst and reaction obtain
It may be reused, save consumption of raw materials.So that the hydrochloric acid acid solution in waste water is recycled recycling, substantial amounts of organic substance obtains
To purified treatment, the treatment effeciency of waste water is high, and improvement amount is big, good purification.The use of hydrogen peroxide can improve catalysis oxidation
Effect, and the metal onidiges to using do not have corrosivity, cost is relatively low, reaction product it is purer without secondary pollution and
Follow-up complicated reprocessing process, the hydrochloric acid of recovery can recycle, and have preferable economic benefit.
Brief description of the drawings：
Fig. 1 is an apparatus structure and process flow diagram of the present utility model；
In figure, 1- wastewater storage tanks or pipeline, 2- hydrochloric acid supply tan, 3- heating towers, 4- catalysis oxidizing towers, 5- circulating pumps, 6-
Second level catalysis oxidizing tower, 7- second level heating tower, 8- second level circulating pump, 9- tail washings tanks.
Embodiment
Catalytic wet oxidation administers the device of hydrochloric organic wastewater, according to waste water flow, the waste water with UNICOM successively
Storage tank, heating tower, catalysis oxidizing tower, tail washings tank；Catalysis oxidizing tower has waterwater entrance, waste water circulation outlet, internal catalysis
Oxidation reaction chamber, air supply mouth, clean gas outlet, tail washings outlet；Moreover, with two catalysis oxidizing towers, two heating towers,
Two circulating pumps and circulation line, two supercharging devices, the catalysis oxidizing tower of UNICOM second is exported in the tail washings of catalysis oxidizing tower
Waterwater entrance, the tail washings outlet connection tail washings tank of the second catalysis oxidizing tower.
Device and pipeline inner wall that reaction is related to all are made of the materials of resistance to hydrochloric acid, are preset not in catalytic oxidation chamber
Metallic catalyst Pt, Ag or the Cu to be chemically reacted with hydrochloric acid；
Tail washings exports UNICOM's tail washings tank, has precipitation or filter in tail washings tank, precipitates or filter out metal catalytic
Agent, remaining solution connection hydrochloric acid tank；
Circulation heating tube and circulating pump can be connected between heating tower and catalysis oxidizing tower, is realized to useless in reaction
Water carries out circulating-heating.
Wastewater storage tank is connected with waste hydrochloric acid device for supplying, hydrochloric acid tank or connection waste hydrochloric acid device for supplying.
Catalytic oxidation chamber is connected with supercharging device, separately has hydrogen peroxide supply entrance.
Claims (6)
1. a kind of catalytic wet oxidation administers the device of hydrochloric organic wastewater, according to waste water flow, with the useless of UNICOM successively
Water storage tank, heating tower, catalysis oxidizing tower, tail washings tank；Catalysis oxidizing tower has waterwater entrance, waste water circulation outlet, internal urged
Oxidation chamber, air supply mouth, clean gas outlet, tail washings outlet；
It is characterized in that：React the device that is related to and pipeline inner wall be all made of resistance to hydrochloric acid material, in catalytic oxidation chamber
Preset the metallic catalyst not chemically reacted with hydrochloric acid；
Tail washings exports UNICOM's tail washings tank, has precipitation or filter, remaining taphole connection hydrochloric acid tank in tail washings tank；
Circulation heating tube and circulating pump are connected between heating tower and catalysis oxidizing tower.
2. catalytic wet oxidation as claimed in claim 1 administers the device of hydrochloric organic wastewater, it is characterised in that：Catalyst
For granular Pt metal, Au, Ag or Cu or their alloy catalyst.
3. catalytic wet oxidation as claimed in claim 1 or 2 administers the device of hydrochloric organic wastewater, it is characterised in that：It is useless
Water storage tank is connected with waste hydrochloric acid device for supplying, hydrochloric acid tank or connection waste hydrochloric acid device for supplying.
4. catalytic wet oxidation as claimed in claim 1 administers the device of hydrochloric organic wastewater, it is characterised in that：It is catalyzed oxygen
Change reaction chamber and be connected with supercharging device.
5. the catalytic wet oxidation as described in claim 1,2 or 4 administers the device of hydrochloric organic wastewater, it is characterised in that：
Catalytic oxidation chamber separately has hydrogen peroxide supply entrance.
6. catalytic wet oxidation as claimed in claim 1 or 2 administers the device of hydrochloric organic wastewater, it is characterised in that：Tool
There are two catalysis oxidizing towers, two heating towers, two circulating pumps and circulation line, two supercharging devices, in catalysis oxidizing tower
The waterwater entrance of tail washings outlet UNICOM second catalysis oxidizing tower, the tail washings outlet connection tail washings tank of the second catalysis oxidizing tower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201721151679.XU CN207210049U (en) | 2017-09-10 | 2017-09-10 | Catalytic wet oxidation administers the device of hydrochloric organic wastewater |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721151679.XU CN207210049U (en) | 2017-09-10 | 2017-09-10 | Catalytic wet oxidation administers the device of hydrochloric organic wastewater |
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| CN207210049U true CN207210049U (en) | 2018-04-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107364943A (en) * | 2017-09-10 | 2017-11-21 | 杭州东日节能技术有限公司 | Catalytic wet oxidation administers the device and its technique of hydrochloric organic wastewater |
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2017
- 2017-09-10 CN CN201721151679.XU patent/CN207210049U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107364943A (en) * | 2017-09-10 | 2017-11-21 | 杭州东日节能技术有限公司 | Catalytic wet oxidation administers the device and its technique of hydrochloric organic wastewater |
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