CN109621660A - A kind of waste gas treatment process - Google Patents

A kind of waste gas treatment process Download PDF

Info

Publication number
CN109621660A
CN109621660A CN201811462384.3A CN201811462384A CN109621660A CN 109621660 A CN109621660 A CN 109621660A CN 201811462384 A CN201811462384 A CN 201811462384A CN 109621660 A CN109621660 A CN 109621660A
Authority
CN
China
Prior art keywords
washing
pickling
tank
gas
strong oxdiative
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811462384.3A
Other languages
Chinese (zh)
Inventor
王雷
曹静芳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Xu Long Environment Technology Co Ltd
Original Assignee
Jiangsu Xu Long Environment Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangsu Xu Long Environment Technology Co Ltd filed Critical Jiangsu Xu Long Environment Technology Co Ltd
Priority to CN201811462384.3A priority Critical patent/CN109621660A/en
Publication of CN109621660A publication Critical patent/CN109621660A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/75Multi-step processes

Abstract

This application involves exhaust-gas treatment fields, more particularly to a kind of waste gas treatment process, the technical issues of solving the problems, such as is the waste gas treatment process in the prior art problem that there are secondary pollutions and treating capacity is small, treatment effect is undesirable, input cost and O&M cost are too high;In order to solve the above-mentioned technical problem, the embodiment of the present application discloses a kind of waste gas treatment process, wherein including gas sampling step, Strong oxdiative acid pickling step, alkali liquid washing step, ultraviolet photolysis catalytic oxidation stage, washing, purifying step discharges detecting step, biochemical treatment step;Achieve technical effect without secondary pollution, that exhaust-gas treatment amount is big, treatment effect is excellent, input cost and O&M cost are low.

Description

A kind of waste gas treatment process
Technical field
This application involves exhaust-gas treatment field more particularly to a kind of waste gas treatment process.
Background technique
Pay attention to as Environmental protection is more next, input cost and operation expense of the enterprise in terms of waste gas pollution control and treatment Also it gradually rises, the industrial waste gas that waste gas pollution control and treatment is generated primarily directed to industrial site such as dust particle, flue gas flue dust, different The work that taste gas, toxic and harmful gas are administered, common waste gas purification have factory's fume and exhaust gas purifying, workshop dust useless Gas purification, organic waste-gas purification, the purification of exhaust gas peculiar smell, acid-base waste gas purifying, purification of chemical waste gas etc..
In existing waste gas treatment process, more mature has condensing recovery, activated carbon adsorption, heat accumulating type oxidation furnace and accumulation of heat Formula Production by Catalytic Combustion Process, emerging technique in recent years have plasma removal method, photodissociation oxidizing process and film process etc..But the present application During implementing the technical solution in the embodiment of the present application, the discovery prior art at least has the following technical problems people:
1, waste gas treatment process in the prior art there are problems that secondary pollution and treating capacity is small, treatment effect not Ideal, input cost and the too high problem of O&M cost.
Summary of the invention
Technical problems to be solved in this application are the secondary pollutions for the treatment of process more mature in the prior art and new The problem that the treating capacity of emerging treatment process is small, treatment effect is undesirable, input cost and O&M cost are too high.
In order to solve the above-mentioned technical problem, the embodiment of the present application provide a kind of novel circulation-type waste gas treatment equipment and its Treatment process.
In a first aspect, the embodiment of the present application provides a kind of novel circulation-type waste gas treatment equipment, wherein include:
Exhaust collecting portion;Strong oxdiative pickling portion, Strong oxdiative pickling portion connect the exhaust collecting portion;Alkali liquid washing Portion, the alkali liquid washing portion connect Strong oxdiative pickling portion;Ultraviolet photolysis catalysis oxidation portion, the ultraviolet photolysis catalysis oxidation Portion connects the alkali liquid washing portion;Washing, purifying portion, the washing, purifying portion connect ultraviolet photolysis catalysis oxidation portion;Discharge Test section, the discharge test section connect the washing, purifying portion, and the discharge test section is also connected with the exhaust collecting portion;It is raw Change processing unit, biochemical treatment portion connection Strong oxdiative pickling portion, the alkali liquid washing portion and the washing, purifying portion.
Preferably, the exhaust collecting portion includes: waste gas collection box, and the discharge test section connects the gas sampling Case;First blower, first blower connect the waste gas collection box, and first blower is also connected with the Strong oxdiative pickling Portion.
Preferably, Strong oxdiative pickling portion includes: the first cleaning solution container;First water pump, first water pump connect Connect the first cleaning solution container;Strong oxdiative pickling tank, first water pump are also connected with the Strong oxdiative pickling tank, and described One cleaning solution container connects the Strong oxdiative pickling tank, and the Strong oxdiative pickling tank body connects the alkali liquid washing portion, described Strong oxdiative pickling tank is also connected with the biochemical treatment portion.
The alkali liquid washing portion includes: the second cleaning solution container;Second water pump, the second water pump connection described second Cleaning solution container;Alkali liquid washing tank, second water pump are also connected with the alkali liquid washing tank, and the alkali liquid washing tank connects institute Ultraviolet photolysis catalysis oxidation portion is stated, the alkali liquid washing tank is also connected with the biochemical treatment portion.
Preferably, ultraviolet photolysis catalysis oxidation portion includes: ultraviolet photolysis catalysis oxidation case, and the alkali liquid washing portion connects Connect the ultraviolet photolysis catalysis oxidation case;Second blower, second blower connects the ultraviolet photolysis catalysis oxidation case, described Second blower is also connected with the alkali liquid washing portion.
Preferably, the washing, purifying portion includes: third cleaning solution container;Third water pump, the second water pump connection The third cleaning solution container;Wash tank, second water pump are also connected with the wash tank, the third cleaning solution storage It deposits case and connects the wash tank, the wash tank connects the discharge test section, and the wash tank is also connected with the life Change processing unit.
Preferably, the discharge test section includes: discharge detection case, and the washing, purifying portion connects the discharge detection Case, the discharge detection case connect the exhaust collecting portion.
Preferably, the biochemical treatment portion includes: biochemical treatment tank, and the biochemical treatment tank connects the Strong oxdiative pickling Portion, the alkali liquid washing portion and the washing, purifying portion;Sewage detection device, the sewage detection device is for detecting whether sewage reaches Mark.
Second aspect, the embodiment of the present application provide a kind of waste gas treatment process, wherein include:
Gas sampling, exhaust gas are collected into the exhaust collecting portion by pipeline, and the exhaust collecting portion feeds exhaust gas Strong oxdiative pickling portion;Strong oxdiative pickling, Strong oxdiative pickling portion carry out the exhaust gas fed by the exhaust collecting portion Strong oxdiative pickling, and the gas after Strong oxdiative pickling is fed into the alkali liquid washing portion;Alkali liquid washing, the alkali liquid washing portion pair Neutralizing treatment is carried out by the gas that Strong oxdiative pickling portion is fed, and the gas after neutralizing treatment is fed into the ultraviolet photolysis and is catalyzed Oxidation section;Ultraviolet photolysis catalysis oxidation, ultraviolet photolysis catalysis oxidation portion to the gas fed by the alkali liquid washing portion into Row ultraviolet photolysis catalytic oxidation treatment, and gas feeds the washing, purifying portion by treated;Washing, purifying, the washing are net Change portion carries out washing, purifying to the gas fed by ultraviolet photolysis catalysis oxidation portion, and the gas after washing, purifying is fed The discharge test section;Discharge detection, the discharge test section detect the gas fed by the washing, purifying portion, if Then discharge gas up to standard, then feeds the exhaust collecting portion for gas if it does not meet the standards;Biochemical treatment, will after a period of use Each cleaning solution feeds the biochemical treatment portion, and the biochemical treatment portion carries out biochemical treatment to each cleaning solution, and by biochemical treatment The sewage up to standard obtained afterwards carries out discharging or feeding again Strong oxdiative pickling portion, the alkali liquid washing portion and the washing Purification portion.
Preferably, the gas sampling step specifically: exhaust gas is collected into the waste gas collection box by pipeline and carries out Exhaust gas is then fed the Strong oxdiative pickling tank in Strong oxdiative pickling portion by buffer reservoir by first blower.
Preferably, the Strong oxdiative acid pickling step specifically: exhaust gas is fed into described under the action of first blower Strong oxdiative pickling tank, under a certain pressure, exhaust gas are escaped via after the Strong oxdiative pickling of the Strong oxdiative pickling tank by tank body upper end Out and enter the alkali liquid washing portion the alkali liquid washing tank;It is mixed by ozone and water and adjusts pH value with hydrogen chloride and be Strong oxdiative pickling cleaning solution between 2 to 5 is stored in the first cleaning solution container, is then pumped by first water pump The Strong oxdiative pickling tank, the cleaning solution in the Strong oxdiative pickling tank to exhaust gas carry out Strong oxdiative pickling after by tank body lower end It overflows and is fed into the first cleaning solution container, to be recycled.
Preferably, the alkali liquid washing step specifically: the exhaust gas after Strong oxdiative pickling is fed into the alkali liquid washing tank, Under a certain pressure, it is escaped after neutralizing treatment of the exhaust gas via the alkali liquid washing tank by tank body upper end and enters the ultraviolet photolysis The ultraviolet photolysis catalysis oxidation case in catalysis oxidation portion;It is mixed by sodium hydroxide and water and pH value is between 10 to 12 Alkali liquid washing liquid is stored in the second cleaning solution container, is then pumped into the alkali liquid washing tank by second water pump, should Cleaning solution is overflowed after the alkali liquid washing tank carries out alkali cleaning to exhaust gas by tank body lower end, and is fed into the second cleaning solution storage It deposits in case, to be recycled.
Preferably, the ultraviolet photolysis catalytic oxidation stage specifically: the exhaust gas after neutralizing treatment is fed into the ultraviolet light The ultraviolet photolysis catalysis oxidation case in catalysis oxidation portion is solved, under a certain pressure, exhaust gas is catalyzed oxygen via the ultraviolet photolysis After the ultraviolet photolysis catalysed oxidn for changing case, it is fed under the action of second blower described in the washing, purifying portion In wash tank.
Preferably, the washing, purifying step specifically: the exhaust gas after ultraviolet photolysis catalysis oxidation is by second blower The wash tank is fed, under a certain pressure, exhaust gas is escaped via after the washing, purifying of the wash tank by tank body upper end And enter the discharge detection case of the discharge test section;Water washing liquor is stored in the third cleaning solution container, and The wash tank is pumped by the third water pump afterwards, after which carries out washing, purifying to exhaust gas in the wash tank It is overflowed by tank body lower end and is fed into the third cleaning solution container, to be recycled.
Preferably, the discharge detecting step specifically: the exhaust gas after washing, purifying is fed into the discharge detection case, institute It whether up to standard states discharge detection case detection exhaust gas, exhaust gas is discharged if up to standard, exhaust gas is fed into the exhaust gas if it does not meet the standards and is received Header.
Preferably, the biochemical treatment step specifically: the novel circulation-type processing equipment after a period of work, will Strong oxdiative pickling solution in the Strong oxdiative pickling tank, the lye in the alkali liquid washing tank and the washing in the wash tank Scavenging solution feeds the biochemical treatment tank in the biochemical treatment portion, each cleaning solution via the biochemical treatment tank biochemical treatment Afterwards, it is detected by the sewage detection device, the first cleaning solution container, described is discharged or fed again if up to standard Two cleaning solution containers and the third cleaning solution container, for configuring each cleaning solution.
One or more technical solutions in the embodiment of the present application at least have following one or more technical effects:
1, a kind of novel circulation-type waste gas treatment equipment and its treatment process of the embodiment of the present application, by using including useless Gas collection portion, Strong oxdiative pickling portion, alkali liquid washing portion, ultraviolet photolysis catalysis oxidation portion, washing, purifying portion, discharge test section, life Change processing unit novel circulation-type waste gas treatment equipment, wherein discharge test section be connected to exhaust collecting portion, biochemical treatment portion and Strong oxdiative pickling portion, alkali liquid washing portion, the connection of washing, purifying portion, Strong oxdiative pickling portion, alkali liquid washing portion, inside washing, purifying portion Connection, innovation processing combination;And the treatment process of the novel circulation-type waste gas treatment equipment, including gas sampling, Strong oxdiative Pickling, alkali liquid washing, ultraviolet photolysis catalysis oxidation, washing, purifying, discharge detection, biochemical treatment step, wherein discharge detection step Suddenly systemic circulation is formed with gas sampling step, biochemical treatment step is to Strong oxdiative acid pickling step, alkali liquid washing step, washing, purifying The cleaning solution of step carries out periodically a small amount of biochemical treatment, and Strong oxdiative acid pickling step, alkali liquid washing step, washing, purifying step are formed Partial circulating, optimization processing technique, solving the problems, such as exhaust-gas treatment in the prior art, there are secondary pollution and exhaust-gas treatments The problem that small, treatment effect is undesirable, input cost and O&M cost are too high is measured, without secondary pollution, exhaust-gas treatment amount is achieved Greatly, the technical effect that treatment effect is excellent, input cost and O&M cost are low.
Detailed description of the invention
Fig. 1 is a kind of novel circulation-type waste gas treatment equipment and its schematic diagram for the treatment of process in the embodiment of the present application.
Fig. 2 is a kind of novel circulation-type waste gas treatment equipment and its axonometric drawing for the treatment of process in the embodiment of the present application.
In attached drawing:
1, exhaust collecting portion 2, Strong oxdiative pickling portion 3, alkali liquid washing portion
4, ultraviolet photolysis catalysis oxidation portion 5, washing, purifying portion 6, discharge test section
7, biochemical treatment portion 11, waste gas collection box 12, the first blower
21, the first cleaning solution container 22, the first water pump 23, Strong oxdiative pickling tank
31, the second cleaning solution container 32, the second water pump 33, alkali liquid washing tank
41, ultraviolet photolysis catalysis oxidation case 42, the second blower 51, third cleaning solution container
52, third water pump 53, wash tank 61, discharge detection case
71, biochemical treatment tank 72, sewage detection device
Specific embodiment
The embodiment of the present application provides a kind of novel circulation-type waste gas treatment equipment and its treatment process, provided by the present application Technical solution general thought is as follows: a kind of novel circulation-type waste gas treatment equipment and its treatment process of the embodiment of the present application lead to It crosses using including exhaust collecting portion 1, Strong oxdiative pickling portion 2, alkali liquid washing portion 3, ultraviolet photolysis catalysis oxidation portion 4, washing, purifying Portion 5, the novel circulation-type waste gas treatment equipment for discharging test section 6, biochemical treatment portion 7, wherein discharge test section 6 and gas sampling Portion 1 is connected to, and biochemical treatment portion 7 is connected to Strong oxdiative pickling portion 2, alkali liquid washing portion 3, washing, purifying portion 4, Strong oxdiative pickling portion 1, It is connected to inside alkali liquid washing portion 2, washing, purifying portion 3, innovation processing combination;And the place of the novel circulation-type waste gas treatment equipment Science and engineering skill, including gas sampling, Strong oxdiative pickling, alkali liquid washing, ultraviolet photolysis catalysis oxidation, washing, purifying, discharge detection, life Change processing step, wherein discharge detecting step and gas sampling step form systemic circulation, biochemical treatment step is to Strong oxdiative pickling Cleaning solution progress periodically a small amount of biochemical treatment of step, alkali liquid washing step, washing, purifying step, Strong oxdiative acid pickling step, alkali Liquid washing step, washing, purifying step form partial circulating, and optimization processing technique solves exhaust-gas treatment in the prior art and exists The problem that the problem of secondary pollution and exhaust-gas treatment amount are small, treatment effect is undesirable, input cost and O&M cost are too high, Achieve technical effect without secondary pollution, that exhaust-gas treatment amount is big, treatment effect is excellent, input cost and O&M cost are low.
The technical issues of in order to solve the application and technical solution and technical effect are more clearly understood, below by way of The application is described in detail in drawings and examples.Should be apparent, specific embodiment described herein is the application one Divide embodiment, be only used to explain the application, is not used to limit the application, those skilled in the art are not paying creativeness The every other embodiment obtained when labour belongs to the application protection scope, in the absence of conflict, the embodiment of the present application And the technical characteristic in embodiment can be combined with each other.
In the description of the embodiment of the present application, it should it is apparent, term " center ", " in ", "upper", "lower", "left", "right", The orientation or positional relationship of the instructions such as "inner", "outside", "top", "bottom", " side ", "vertical", "horizontal" is based on the figure Orientation or positional relationship, description the embodiment of the present application merely for convenience and simplified description, rather than described in indication or suggestion Device or element must have specific direction or positional relationship, that is, should not be understood as the limitation to the embodiment of the present application;In addition, Term " first ", " second ", " third ", " the 4th " etc. are only used for facilitating description or simplify description, rather than its is heavy for indication or suggestion The property wanted.
, should be apparent in the description of the embodiment of the present application, unless otherwise specific regulation or limit, term " installation ", " connected ", " connection " etc. shall be understood in a broad sense, and can be to be fixedly connected e.g., can be to be detachably connected, and can connect for globality;It can It can be electrical connection for mechanical connection;It can be to be directly connected to, can be to be indirectly connected with, can be connection inside device or element.To ability For field technique personnel, according to the concrete meaning of the apparent above-mentioned term of the embodiment of the present application concrete condition in the embodiment of the present application.
In the description of the embodiment of the present application, term "and/or", only it is a kind of describe affiliated partner incidence relation, Indicate may exist three kinds of relationships, for example, A and/or B, can indicate: individualism A exists simultaneously A and B, individualism B this Three kinds of situations.In addition, character "/" herein, typicallys represent the relationship that forward-backward correlation object is a kind of "or".
, should be apparent in the description of the embodiment of the present application, for simple and clear purpose, the principle of the embodiment of the present application It is described by referring mainly to example, in the following description, many details of the embodiment of the present application are described to be used to mention For a thorough understanding of embodiments, but to those skilled in the art, the embodiment of the present application is not limited to correlation in practice Detail;In some embodiments, it is not described in known features and/or method, to avoid causing these embodiments difficult To understand.
[embodiment 1]
It, can be at complete, the novel circulation-type exhaust gas that one of clearly articulates the embodiment of the present application referring to Figure of description Manage equipment and its treatment process.
Wherein, in fig. 1:
The embodiment of the present application provides a kind of novel circulation-type waste gas treatment equipment and its treatment process, wherein includes:
Exhaust collecting portion 1, the exhaust collecting portion 1 is for storing buffering exhaust gas;Strong oxdiative pickling portion 2, the Strong oxdiative Pickling portion 2 connects the exhaust collecting portion 1, and Strong oxdiative pickling portion 2 is used to carry out Strong oxdiative pickling to exhaust gas;Alkali liquid washing Portion 3, the alkali liquid washing portion 3 connect Strong oxdiative pickling portion 2, and the alkali liquid washing portion 3 is used to carry out neutralizing treatment to exhaust gas; Ultraviolet photolysis catalysis oxidation portion 4, ultraviolet photolysis catalysis oxidation portion 4 connect the alkali liquid washing portion 3, and the ultraviolet photolysis is urged Change oxidation section 4 to be used to carry out ultraviolet photolysis catalytic oxidation treatment to exhaust gas;Washing, purifying portion 5, the washing, purifying portion 5 connect institute Ultraviolet photolysis catalysis oxidation portion 4 is stated, the washing, purifying portion 5 is used to carry out washing, purifying to exhaust gas;Test section 6 is discharged, it is described Discharge test section 6 connects the washing, purifying portion 5, and the discharge test section 6 is also connected with the exhaust collecting portion 1, the discharge Test section 6 is used to detect whether exhaust gas after treatment to be up to standard is discharged;Biochemical treatment portion 7, the biochemical treatment portion 7 Connect Strong oxdiative pickling portion 1, the alkali liquid washing portion 2 and the washing, purifying portion 3, the biochemical treatment portion 7 for pair Strong oxdiative pickling solution, lye and cleaning solution carry out biochemical treatment.
Based on identical inventive concept, the embodiment of the present application also provides a kind for the treatment of process, wherein includes:
Gas sampling, exhaust gas are collected into the exhaust collecting portion 1 by pipeline, and the exhaust collecting portion 1 supplies exhaust gas Enter Strong oxdiative pickling portion 2;Strong oxdiative pickling, Strong oxdiative pickling portion 2 is to the exhaust gas fed by the exhaust collecting portion Strong oxdiative pickling is carried out, and the gas after Strong oxdiative pickling is fed into the alkali liquid washing portion 3;Alkali liquid washing, the lye are washed It washs portion 3 and neutralizing treatment is carried out to the gas fed by Strong oxdiative pickling portion 2, and the gas infeed after neutralizing treatment is described ultraviolet Photodissociation catalysis oxidation portion 4;Ultraviolet photolysis catalysis oxidation, ultraviolet photolysis catalysis oxidation portion 4 are supplied by the alkali liquid washing portion 3 The gas entered carries out ultraviolet photolysis catalytic oxidation treatment, and gas feeds the washing, purifying portion 5 by treated;Washing is net Change, the washing, purifying portion carries out washing, purifying by the gas that ultraviolet photolysis catalysis oxidation portion 4 is fed to 5, and will washing Purified gas feeds the discharge test section 6;Discharge detection, the discharge test section 6 are supplied by the washing, purifying portion 5 The gas entered is detected, the discharge gas if up to standard, and gas is fed the exhaust collecting portion 1 if it does not meet the standards;At biochemistry Each cleaning solution after a period of use is fed the biochemical treatment portion 7 by reason, the biochemical treatment portion 7 to each cleaning solution into Row biochemical treatment, and by the sewage up to standard obtained after biochemical treatment carry out discharge or again feed Strong oxdiative pickling portion 2, The alkali liquid washing portion 3 and the washing, purifying portion 4.
A kind of novel circulation-type waste gas treatment equipment and its treatment process of the embodiment of the present application, by using including exhaust gas Collection portion 1, Strong oxdiative pickling portion 2, alkali liquid washing portion 3, ultraviolet photolysis catalysis oxidation portion 4, washing, purifying portion 5, discharge test section 6, the novel circulation-type waste gas treatment equipment in biochemical treatment portion 7, wherein discharge test section 6 is connected to exhaust collecting portion 1, at biochemistry Reason portion 7 is connected to Strong oxdiative pickling portion 2, alkali liquid washing portion 3, washing, purifying portion 5, and Strong oxdiative pickling portion 2, is washed alkali liquid washing portion 3 It washs and is connected to inside purification portion 4, innovation processing combination;And the treatment process of the novel circulation-type waste gas treatment equipment, including it is useless Gas collection, Strong oxdiative pickling, alkali liquid washing, ultraviolet photolysis catalysis oxidation, washing, purifying, discharge detection, biochemical treatment step, Middle discharge detecting step and gas sampling step form systemic circulation, and biochemical treatment step is to Strong oxdiative acid pickling step, alkali liquid washing Cleaning solution progress periodically a small amount of biochemical treatment of step, washing, purifying step, Strong oxdiative acid pickling step, are washed at alkali liquid washing step It washs purifying step and forms partial circulating, optimization processing technique solves exhaust-gas treatment in the prior art asking there are secondary pollution Topic and the problem that exhaust-gas treatment amount is small, treatment effect is undesirable, input cost and O&M cost are too high, achieve without secondary Pollution, the technical effect that exhaust-gas treatment amount is big, treatment effect is excellent, input cost and O&M cost are low.
Further,
Wherein, in fig 2:
The exhaust collecting portion 1 includes: waste gas collection box 11, and the discharge test section 6 connects the waste gas collection box 11, The waste gas collection box 11 is for storing buffering exhaust gas;First blower 12, first blower 12 connect the waste gas collection box 11, first blower 12 is also connected with Strong oxdiative pickling portion 2, and first blower 12 is for receiving exhaust gas from the exhaust gas Header 11 feeds Strong oxdiative pickling portion 2.Strong oxdiative pickling portion 2 includes: the first cleaning solution container 21, and described first Cleaning solution container 21 is for storing Strong oxdiative pickling cleaning solution;First water pump 22, first water pump 22 connect described first Cleaning solution container 21;Strong oxdiative pickling tank 23, first water pump 22 are also connected with the Strong oxdiative pickling tank 23, and described first Water pump 22 is used to Strong oxdiative pickling solution being pumped into the Strong oxdiative pickling tank 23 from the first cleaning solution container 21, and described the One cleaning solution container 21 connects the Strong oxdiative pickling tank 23, and the Strong oxdiative pickling tank 23 connects the alkali liquid washing portion 3, The Strong oxdiative pickling tank 23 is also connected with the biochemical treatment portion 7, and the Strong oxdiative pickling tank 23 is for loading catalyst and right Exhaust gas carries out Strong oxdiative pickling.The alkali liquid washing portion 3 includes: the second cleaning solution container 31, the second cleaning solution storage Case 31 is for storing alkali liquid washing liquid;Second water pump 32, second water pump 32 connect the second cleaning solution container 31;Alkali Liquid washing tank 33, second water pump 32 are also connected with the alkali liquid washing tank 33, and second water pump 31 is used for lye from institute It states the second cleaning solution container 31 and is pumped into the alkali liquid washing tank 33, the alkali liquid washing tank 33 connects the ultraviolet photolysis catalysis Oxidation section 4, the alkali liquid washing tank 33 are also connected with the biochemical treatment portion 7, and the alkali liquid washing tank 33 is for loading catalyst And alkali cleaning is carried out to exhaust gas.Ultraviolet photolysis catalysis oxidation portion 4 includes: ultraviolet photolysis catalysis oxidation case 41, and the lye is washed It washs portion 3 and connects the ultraviolet photolysis catalysis oxidation case 41, the ultraviolet photolysis catalysis oxidation case 41 loads catalyst and to exhaust gas Carry out ultraviolet photolysis catalysis oxidation;Second blower 42, second blower 42 connect the ultraviolet photolysis catalysis oxidation case 41, institute It states the second blower 42 and is also connected with the alkali liquid washing portion 3, second blower 42 is used to exhaust gas feeding the washing, purifying portion 5.The washing, purifying portion 5 includes: third cleaning solution container 51, and the third washing container 51 is for storing water washing Liquid;Third water pump 52, second water pump 52 connect the third cleaning solution container 51;Wash tank 53, the third water Pump 52 is also connected with the wash tank 53, and the third water pump 52 is used for water washing liquor from the third cleaning solution container 51 It is pumped into the wash tank 53, the third cleaning solution container 51 connects the wash tank 53, and the wash tank 53 connects The discharge test section 6 is connect, the wash tank 53 is also connected with the biochemical treatment portion 7, and the wash tank 53 is used for useless Gas carries out water washing.The discharge test section 6 includes: discharge detection case 61, and the discharge detection case 61 is for detecting via each Portion is processed, and whether exhaust gas is up to standard discharges, and the washing, purifying portion 5 connects the discharge detection case 6, the discharge detection case 6 Connect the exhaust collecting portion 1.The biochemical treatment portion 7 includes: biochemical treatment tank 71, and the biochemical treatment tank 71 connects described Strong oxdiative pickling portion 2, the alkali liquid washing portion 3 and the washing, purifying portion 4, the biochemical treatment tank 71 are used for Strong oxdiative acid It washes cleaning solution, alkali liquid washing liquid and water washing liquor and carries out biochemical treatment;Sewage detection device 72, the sewage detection device is for detecting Whether sewage is up to standard.
The gas sampling step specifically: exhaust gas is collected into the waste gas collection box 11 by pipeline and carries out buffering storage It deposits, exhaust gas is then fed to by first blower 12 the Strong oxdiative pickling tank 23 in Strong oxdiative pickling portion 2.It is described strong Aoxidize acid pickling step specifically: exhaust gas is fed into the Strong oxdiative pickling tank 23 under the action of the first blower 12, one Under constant-pressure, exhaust gas is escaped by tank body upper end after the Strong oxdiative pickling via the Strong oxdiative pickling tank 23 and enters the lye The alkali liquid washing tank 33 of washing section 3;It is strong between 2 to 5 for being mixed by ozone and water and adjusting pH value with hydrogen chloride Oxidation pickling cleaning solution is stored in the first cleaning solution container 21, is then pumped into the strong oxygen by first water pump 22 Change pickling tank 23, which is overflowed to after exhaust gas progress Strong oxdiative pickling by tank body lower end in the Strong oxdiative pickling tank 23 And be fed into the first cleaning solution container 21, to be recycled.The alkali liquid washing step specifically: Strong oxdiative acid Exhaust gas after washing is fed into the alkali liquid washing tank 33, under a certain pressure, exhaust gas via the alkali liquid washing tank 33 alkali cleaning The ultraviolet photolysis catalysis oxidation case 41 in ultraviolet photolysis catalysis oxidation portion 4 is escaped and entered after washing by tank body upper end;By Sodium hydroxide and water mix and alkali liquid washing liquid of the pH value between 10 to 12 is stored in the second cleaning solution container 31, the alkali liquid washing tank 33 is then pumped by second water pump 32, the cleaning solution is in the alkali liquid washing tank 33 to exhaust gas It is overflowed, and is fed into the second cleaning solution container 31 by tank body lower end after carrying out alkali cleaning, to be recycled.The purple Outer photodissociation catalytic oxidation stage specifically: the exhaust gas after neutralizing treatment is fed into the purple in ultraviolet photolysis catalysis oxidation portion 4 Outer photodissociation catalysis oxidation case 41, under a certain pressure, exhaust gas are urged via the ultraviolet photolysis of the ultraviolet photolysis catalysis oxidation case 41 After oxidation, it is fed under the action of the second blower 42 in the wash tank 53 in the washing, purifying portion 5. The washing, purifying step specifically: the exhaust gas after ultraviolet photolysis catalysis oxidation feeds the water washing by second blower 42 Tank 53, under a certain pressure, exhaust gas are escaped by tank body upper end after the washing, purifying via the wash tank 53 and are entered described Discharge the discharge detection case 61 of test section 6;Water washing liquor is stored in the third cleaning solution container 51, then by institute It states third water pump 52 and is pumped into the wash tank 53, after which carries out washing, purifying to exhaust gas in the wash tank 53 It is overflowed by tank body lower end and is fed into the third cleaning solution container 51, to be recycled.The discharge detecting step tool Body are as follows: the exhaust gas after washing, purifying is fed into the discharge detection case 61, and whether the detection of discharge detection case 61 exhaust gas is up to standard, Exhaust gas is discharged if up to standard, and exhaust gas is fed into the waste gas collection box 11 if it does not meet the standards.The biochemical treatment step specifically: The novel circulation-type processing equipment after a period of work, by the Strong oxdiative pickling solution in the Strong oxdiative pickling tank 23, institute It states the lye in alkali liquid washing tank 33 and the washing, purifying liquid in the wash tank 53 feeds the described of the biochemical treatment portion 7 Biochemical treatment tank 71 after biochemical treatment of each cleaning solution via the biochemical treatment tank 71, is carried out by the sewage detection device 72 Detection, discharges if up to standard or feeds again the first cleaning solution container 21, the second cleaning solution container 31 and institute Third cleaning solution container 51 is stated, for configuring each cleaning solution.
A kind of novel circulation-type waste gas treatment equipment and its treatment process of the embodiment of the present application, by using including exhaust gas Collection portion 1, Strong oxdiative pickling portion 2, alkali liquid washing portion 3, ultraviolet photolysis catalysis oxidation portion 4, washing, purifying portion 5, discharge test section 6, the novel circulation-type waste gas treatment equipment in biochemical treatment portion 7, wherein discharge test section 6 is connected to 1 with exhaust collecting portion, it is biochemical at Reason portion 7 is connected to Strong oxdiative pickling portion 2, alkali liquid washing portion 3, washing, purifying portion 5, and Strong oxdiative pickling portion 2, is washed alkali liquid washing portion 3 It washs and is connected to inside purification portion 5, innovation processing combination;And the treatment process of the novel circulation-type waste gas treatment equipment, including it is useless Gas collection, Strong oxdiative pickling, alkali liquid washing, ultraviolet photolysis catalysis oxidation, washing, purifying, discharge detection, biochemical treatment step, Middle discharge detecting step and gas sampling step form systemic circulation, and biochemical treatment step is to Strong oxdiative acid pickling step, alkali liquid washing Cleaning solution progress periodically a small amount of biochemical treatment of step, washing, purifying step, Strong oxdiative acid pickling step, are washed at alkali liquid washing step It washs purifying step and forms partial circulating, optimization processing technique solves exhaust-gas treatment in the prior art asking there are secondary pollution Topic and the problem that exhaust-gas treatment amount is small, treatment effect is undesirable, input cost and O&M cost are too high, achieve without secondary Pollution, the technical effect that exhaust-gas treatment amount is big, treatment effect is excellent, input cost and O&M cost are low.
Further, the relevant technologies effect can be proved by following experiments and experimental data:
Can be obtained through above-mentioned analysis of experimental data, one of the embodiment of the present application novel circulation-type waste gas treatment equipment and its Treatment process achieves technology without secondary pollution, that exhaust-gas treatment amount is big, treatment effect is excellent, input cost and O&M cost are low Effect.
Although being described above to the being illustrated property of specific embodiment of the application, in order to those skilled in the art It will be appreciated that the application, but the application is not limited only to the range of specific embodiment, to those skilled in the art For, as long as various change is in the application spirit and scope that the attached claims limit and determine, all utilize this Shen The innovation and creation that please be conceived are in the column of protection.

Claims (8)

1. a kind of waste gas treatment process, wherein include:
Gas sampling, exhaust gas are collected into exhaust collecting portion by pipeline, and exhaust gas is fed the strong oxygen by the exhaust collecting portion Change pickling portion;
Strong oxdiative pickling, Strong oxdiative pickling portion carry out Strong oxdiative pickling to the exhaust gas fed by the exhaust collecting portion, and will be strong Gas after aoxidizing pickling feeds alkali liquid washing portion;
Alkali liquid washing, the alkali liquid washing portion carry out neutralizing treatment to the gas that is fed by Strong oxdiative pickling portion, and by alkali cleaning Gas after washing feeds ultraviolet photolysis catalysis oxidation portion;
Ultraviolet photolysis catalysis oxidation, ultraviolet photolysis catalysis oxidation portion carry out the gas fed by the alkali liquid washing portion purple Outer photodissociation catalytic oxidation treatment, and gas feeds washing, purifying portion by treated;
Washing, purifying, the washing, purifying portion carry out washing, purifying to the gas fed by ultraviolet photolysis catalysis oxidation portion, And the gas after washing, purifying is fed into discharge test section;
Discharge detection, the discharge test section detect the gas fed by the washing, purifying portion, discharge if up to standard Gas is then fed the exhaust collecting portion if it does not meet the standards by gas;
Each cleaning solution after a period of use is fed biochemical treatment portion by biochemical treatment, and the biochemical treatment portion is to each washing Liquid carries out biochemical treatment, and the sewage up to standard obtained after biochemical treatment is carried out discharge or feeds the Strong oxdiative pickling again Portion, the alkali liquid washing portion and the washing, purifying portion.
2. a kind of waste gas treatment process according to claim 1, wherein the gas sampling step specifically:
Exhaust gas is collected into the waste gas collection box by pipeline and carries out buffer reservoir, is then supplied exhaust gas by first blower Enter the Strong oxdiative pickling tank in Strong oxdiative pickling portion.
3. a kind of waste gas treatment process according to claim 1, wherein the Strong oxdiative acid pickling step specifically:
Exhaust gas is fed into the Strong oxdiative pickling tank under the action of first blower, and under a certain pressure, exhaust gas is via institute The alkali liquid washing in the alkali liquid washing portion is escaped and entered after stating the Strong oxdiative pickling of Strong oxdiative pickling tank by tank body upper end Tank;
It is mixed by ozone and water and adjusts pH value with hydrogen chloride and be stored in institute for the Strong oxdiative pickling cleaning solution between 2 to 5 It states in the first cleaning solution container, the Strong oxdiative pickling tank is then pumped by first water pump, the cleaning solution is described strong It is overflowed after carrying out Strong oxdiative pickling to exhaust gas in oxidation pickling tank by tank body lower end and is fed into the first cleaning solution container It is interior, to be recycled.
4. a kind of waste gas treatment process according to claim 1, wherein the alkali liquid washing step specifically:
Exhaust gas after Strong oxdiative pickling is fed into the alkali liquid washing tank, and under a certain pressure, exhaust gas is via the alkali liquid washing The ultraviolet photolysis catalysis oxidation in ultraviolet photolysis catalysis oxidation portion is escaped and entered after the neutralizing treatment of tank by tank body upper end Case;
It is mixed by sodium hydroxide and water and alkali liquid washing liquid of the pH value between 10 to 12 is stored in second cleaning solution Container is then pumped into the alkali liquid washing tank by second water pump, the cleaning solution the alkali liquid washing tank to exhaust gas into It is overflowed, and is fed into the second cleaning solution container by tank body lower end after row alkali cleaning, to be recycled.
5. a kind of waste gas treatment process according to claim 1, wherein the ultraviolet photolysis catalytic oxidation stage is specific Are as follows:
Exhaust gas after neutralizing treatment is fed into the ultraviolet photolysis catalysis oxidation case in ultraviolet photolysis catalysis oxidation portion, certain Under pressure, after ultraviolet photolysis catalysed oxidn of the exhaust gas via the ultraviolet photolysis catalysis oxidation case, in second blower Under the action of be fed into the wash tank in the washing, purifying portion.
6. a kind of waste gas treatment process according to claim 1, wherein the washing, purifying step specifically:
Exhaust gas after ultraviolet photolysis catalysis oxidation feeds the wash tank, under a certain pressure, exhaust gas by second blower Via the discharge detection for escaping and entering the discharge test section after the washing, purifying of the wash tank by tank body upper end Case;
Water washing liquor is stored in the third cleaning solution container, is then pumped into the wash tank by the third water pump, The cleaning solution is overflowed by tank body lower end after carrying out washing, purifying to exhaust gas in the wash tank and is fed into the third and wash Liquid container is washed, to be recycled.
7. a kind of exhaust-gas treatment side's technique according to claim 1, wherein the discharge detecting step specifically:
Exhaust gas after washing, purifying is fed into the discharge detection case, and whether the discharge detection case detection exhaust gas is up to standard, if reaching Mark then discharges exhaust gas, and exhaust gas is then fed the waste gas collection box if it does not meet the standards.
8. a kind of waste gas treatment process according to claim 1, wherein the biochemical treatment step specifically:
The novel circulation-type processing equipment after a period of work, by the Strong oxdiative pickling tank Strong oxdiative pickling solution, The washing, purifying liquid in lye and the wash tank in the alkali liquid washing tank feeds the life in the biochemical treatment portion Change process tank, after biochemical treatment of each cleaning solution via the biochemical treatment tank, is detected by the sewage detection device, if reaching Mark then discharges or feeds again the first cleaning solution container, the second cleaning solution container and third cleaning solution storage Case is deposited, for configuring each cleaning solution.
CN201811462384.3A 2018-11-30 2018-11-30 A kind of waste gas treatment process Pending CN109621660A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811462384.3A CN109621660A (en) 2018-11-30 2018-11-30 A kind of waste gas treatment process

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811462384.3A CN109621660A (en) 2018-11-30 2018-11-30 A kind of waste gas treatment process

Publications (1)

Publication Number Publication Date
CN109621660A true CN109621660A (en) 2019-04-16

Family

ID=66070477

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811462384.3A Pending CN109621660A (en) 2018-11-30 2018-11-30 A kind of waste gas treatment process

Country Status (1)

Country Link
CN (1) CN109621660A (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105498476A (en) * 2015-12-02 2016-04-20 昊华工程有限公司 VOCs (volatile organic compounds) tail gas treatment technology and system
JP2016087536A (en) * 2014-11-04 2016-05-23 國家中山科學研究院 Photocatalyst type exhaust voc treatment facility
CN205627576U (en) * 2016-05-23 2016-10-12 武汉千水环境工程技术有限公司 Smooth catalytic reaction combination processing system of sweet phosphine mother liquor waste gas of grass
CN106492605A (en) * 2016-11-22 2017-03-15 徐亚军 A kind of multi-stage combination, the Treatment process of circular treatment volatile organic compoundses
CN108211686A (en) * 2017-12-05 2018-06-29 青岛科技大学 A kind of tail gas photooxidation cracking purification method
CN207722601U (en) * 2017-12-15 2018-08-14 上海安居乐环保科技股份有限公司 One kind being used for petrochemical industry coal chemical industry trade effluent odor treatment group technology
CN207786305U (en) * 2017-12-05 2018-08-31 青岛科技大学 A kind of tail gas photooxidation cracking treating device using oil gas purification techniques

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016087536A (en) * 2014-11-04 2016-05-23 國家中山科學研究院 Photocatalyst type exhaust voc treatment facility
CN105498476A (en) * 2015-12-02 2016-04-20 昊华工程有限公司 VOCs (volatile organic compounds) tail gas treatment technology and system
CN205627576U (en) * 2016-05-23 2016-10-12 武汉千水环境工程技术有限公司 Smooth catalytic reaction combination processing system of sweet phosphine mother liquor waste gas of grass
CN106492605A (en) * 2016-11-22 2017-03-15 徐亚军 A kind of multi-stage combination, the Treatment process of circular treatment volatile organic compoundses
CN108211686A (en) * 2017-12-05 2018-06-29 青岛科技大学 A kind of tail gas photooxidation cracking purification method
CN207786305U (en) * 2017-12-05 2018-08-31 青岛科技大学 A kind of tail gas photooxidation cracking treating device using oil gas purification techniques
CN207722601U (en) * 2017-12-15 2018-08-14 上海安居乐环保科技股份有限公司 One kind being used for petrochemical industry coal chemical industry trade effluent odor treatment group technology

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
白坤: "《玉米淀粉工程技术》", 31 January 2012, 中国轻工业出版社 *

Similar Documents

Publication Publication Date Title
CN209576229U (en) A kind of new waste gas recyclable device
US11014044B2 (en) Waste gas purification system and method
CN201067664Y (en) Cleaning treatment device for discharging waste gas
CN108033558A (en) Strengthen the method for dyeing waste water hydrolysis acidification performance
CN105920964A (en) Waste gas and wastewater treatment system for electroplating industry
CN109621660A (en) A kind of waste gas treatment process
CN212504496U (en) Waste gas purification device for waste acid sludge treatment system
CN209735299U (en) novel circulating exhaust-gas treatment equipment
CN205815453U (en) A kind of tripolyphosphate sodium polymerization tail gas recovery device
CN205925341U (en) Plastics exhaust gas purifying apparatus
CN109621659A (en) A kind of novel circulation-type waste gas treatment equipment
CN211302394U (en) Kitchen garbage foul gas processing system
CN210934439U (en) Printing and dyeing effluent water sump foul smell exhaust gas treatment system
CN211871460U (en) Novel ammonia nitrogen scrubbing treatment device
CN210906114U (en) Convenient reactor of multistage processing spent acid
CN107010796A (en) A kind of system by the use of remained ammonia as cooling circular water replenishing
CN110204106B (en) High-concentration organic wastewater catalytic oxidation process control system
CN103877795B (en) Sintering flue gas dioxin and particulate matter synergism purification equipment and method
CN208448988U (en) VOC exhaust treatment system
CN205528201U (en) Contain fire retardant TCP waste water processing system based on photocatalysis reactor
CN206730787U (en) A kind of processing system of chlorination reaction organic exhaust gas
CN102367187B (en) Chlorinated hydrocarbon-polluted underground water blowing oxidation and tail gas treatment process
CN206276212U (en) Methene class water treatment agent and HPMA water treatment agent production exhaust gas processing device
CN107417027A (en) A kind of cleaning treatment system for being used to handle acidic industrial effluent
CN214486355U (en) Fluorine-containing tail gas treatment device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20190416

RJ01 Rejection of invention patent application after publication