CN106861299A - A kind of chromium-containing waste gas processing unit - Google Patents
A kind of chromium-containing waste gas processing unit Download PDFInfo
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- CN106861299A CN106861299A CN201710267803.7A CN201710267803A CN106861299A CN 106861299 A CN106861299 A CN 106861299A CN 201710267803 A CN201710267803 A CN 201710267803A CN 106861299 A CN106861299 A CN 106861299A
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- pipeline
- detector
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- collection device
- medicament
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- 239000002912 waste gas Substances 0.000 title claims abstract description 37
- 238000012545 processing Methods 0.000 title claims abstract description 22
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 title claims abstract description 17
- 229910052804 chromium Inorganic materials 0.000 title claims abstract description 17
- 239000011651 chromium Substances 0.000 title claims abstract description 17
- 239000003595 mist Substances 0.000 claims abstract description 26
- 239000010808 liquid waste Substances 0.000 claims abstract description 20
- 239000002245 particle Substances 0.000 claims abstract description 20
- 239000002253 acid Substances 0.000 claims abstract description 16
- 239000003513 alkali Substances 0.000 claims abstract description 16
- 239000003610 charcoal Substances 0.000 claims abstract description 14
- 239000002250 absorbent Substances 0.000 claims abstract description 12
- 230000002745 absorbent Effects 0.000 claims abstract description 12
- 239000007789 gas Substances 0.000 claims abstract description 9
- 239000003814 drug Substances 0.000 claims description 36
- 238000004062 sedimentation Methods 0.000 claims description 22
- 239000007788 liquid Substances 0.000 claims description 19
- 239000002699 waste material Substances 0.000 claims description 17
- 238000001556 precipitation Methods 0.000 claims description 15
- 238000010992 reflux Methods 0.000 claims description 14
- 238000003860 storage Methods 0.000 claims description 12
- 230000009467 reduction Effects 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims 1
- 239000002440 industrial waste Substances 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 230000036541 health Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 229910001430 chromium ion Inorganic materials 0.000 description 2
- VQWFNAGFNGABOH-UHFFFAOYSA-K chromium(iii) hydroxide Chemical compound [OH-].[OH-].[OH-].[Cr+3] VQWFNAGFNGABOH-UHFFFAOYSA-K 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical compound [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 description 1
- BFGKITSFLPAWGI-UHFFFAOYSA-N chromium(3+) Chemical compound [Cr+3] BFGKITSFLPAWGI-UHFFFAOYSA-N 0.000 description 1
- JOPOVCBBYLSVDA-UHFFFAOYSA-N chromium(6+) Chemical compound [Cr+6] JOPOVCBBYLSVDA-UHFFFAOYSA-N 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation 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
- B01D53/002—Separation 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 by condensation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation 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
- B01D53/02—Separation 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 by adsorption, e.g. preparative gas chromatography
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation 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
- B01D53/26—Drying gases or vapours
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/346—Controlling the process
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/38—Removing components of undefined structure
- B01D53/40—Acidic components
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/38—Removing components of undefined structure
- B01D53/42—Basic components
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/70—Treatment of water, waste water, or sewage by reduction
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
- C02F2101/22—Chromium or chromium compounds, e.g. chromates
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/18—Nature of the water, waste water, sewage or sludge to be treated from the purification of gaseous effluents
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Analytical Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Treating Waste Gases (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
A kind of chromium-containing waste gas processing unit, belong to industrial waste gas processing technology field, the filter is connected by wire with power supply, the filter is connected with particle collection device and PH detector respectively by pipeline, valve is installed between the filter and particle collection device, the PH detector is connected with acid fog collection device and alkali mist collection device respectively by pipeline, the acid fog collection device and alkali mist collection device are connected with PH detector respectively, the PH detector is connected by wire with controller, the controller is connected with cryogenic system by wire, the cryogenic system is connected with liquid waste treating apparatus by wire, the liquid waste treating apparatus are connected by pipeline with absorbent charcoal adsorber, the absorbent charcoal adsorber is connected by pipeline with detector.The usefulness of the invention is：So that the treatment of chromium-containing waste gas is more automated, meet the principle of green production.
Description
Technical field
The present invention relates to a kind of chromium-containing waste gas processing unit, specifically using waste gas holding vessel, filter, PH detections
Device, acid mist treatment device, alkali mist processing unit, controller composition belongs to industrial waste gas processing technology field.
Background technology
With the development of the modern industry, increasing factory rises sheer from level ground, and various fresh products enter people successively
Life, bring unprecedented convenience to us, at the same time, the pollution that industrial production is brought also increasingly causes people
Attention.Especially to health, environment has very big harm to industrial waste gas, and waste gas can be by different approach respiratory tracts
Into the internal of people, it is detrimental to health, the World Health Organization claims, air pollution in 2012 causes about 7,000,000 people dead, also
It is just have one in every eight the dead in the whole world.Secondly, industrial waste gas can be reduced to the solar radiation up to ground, and the time is long to lead
People and animals and plants are caused to be grown due to a lack of sunlight bad, due to containing carbon dioxide and other sour gas in industrial waste gas
Body, can cause atmospheric temperature to raise, or even deacidification rain, therefore, increase and country's discharge mark is reached to the dynamics of exhaust-gas treatment
Standard, the slogan of response national green production turns into the top priority of current Chemical Manufacture.
The content of the invention
For above-mentioned deficiency, the invention provides a kind of chromium-containing waste gas processing unit.
The present invention is achieved by the following technical solutions：A kind of chromium-containing waste gas processing unit, by waste gas holding vessel, filtering
Device, PH detector, acid mist treatment device, alkali mist processing unit, controller, cryogenic system, particle collection device, pipeline, valve,
Liquid waste treating apparatus, absorbent charcoal adsorber, detector, air compressor, tower top kettle, reflux ratio controller, power supply, lead
Line, condenser, waste liquid holding vessel, standby pool, precipitation storage pond, medicament sedimentation basin, amberplex, medicament reduction pond, master control
Room processed, kinetic pump, alarm composition, it is mainly characterized by：The waste gas holding vessel is connected by pipe-and-filter, described
Filter is connected by wire with power supply, and the filter is connected with particle collection device and PH detector respectively by pipeline
Connect, valve be installed between the filter and particle collection device, the PH detector by pipeline respectively with acid mist collecting
Device is connected with alkali mist collection device, and the acid fog collection device and alkali mist collection device are connected with PH detector respectively,
The PH detector is connected by wire with controller, and the controller is connected with cryogenic system by wire, the depth
Device for cooling is connected with liquid waste treating apparatus by wire, and the liquid waste treating apparatus pass through pipeline and absorbent charcoal adsorber phase
Connection, the absorbent charcoal adsorber is connected by pipeline with detector.
Cryogenic system includes air compressor, tower top kettle, reflux ratio controller, power supply, wire, condenser, waste liquid storage
Tank；In cryogenic system, the power supply is connected by wire with kinetic pump, and the kinetic pump passes through pipeline and air compressor
It is connected, the air compressor is connected with tower top kettle by pipeline, the tower top kettle is connected by pipeline with condenser,
The condenser is connected by pipeline with reflux ratio controller, the reflux ratio controller by pipeline respectively with tower top kettle and
Waste liquid holding vessel is connected.
Liquid waste treating apparatus include standby pool, and precipitation storage pond, medicament sedimentation basin, amberplex, medicament reduction pond is main
Control room, PH detector, particle collection device, wire；In liquid waste treating apparatus, the amberplex is distinguished by pipeline
It is connected with particle collection device and medicament reduction pond, the medicament reduction pond is connected by pipeline with medicament sedimentation basin, institute
State medicament sedimentation basin to be connected with precipitation storage pond and standby pool respectively by pipeline, PH inspections are installed in the medicament sedimentation basin
Device is surveyed, the PH detector is connected by wire with alarm, and the alarm is connected to main control room by radio link.
The usefulness of the invention is：Waste gas is removed by acid-base property by emission-control equipment, will be useless by cryogenic system
Gas becomes waste liquid, so as to directly be processed chromate waste water using medicament reduction precipitation method, final waste gas is filled by charcoal absorption
Put to adsorb last waste residue and cause that the treatment of chromium-containing waste gas is more automated and facilitate, while reduction operation cost, accords with
Close the principle of green production.
Brief description of the drawings
Fig. 1 is a kind of front view of chromium-containing waste gas processing unit；
Fig. 2 is a kind of cryogenic system figure of chromium-containing waste gas processing unit；
Fig. 3 is a kind of liquid waste treating apparatus figure of chromium-containing waste gas processing unit；
Fig. 4 is a kind of partial view of chromium-containing waste gas processing unit.
In figure, 1, waste gas holding vessel, 2, filter, 3, PH detector, 4, acid mist treatment device, 5, alkali mist processing unit,
6th, controller, 7, cryogenic system, 8, particle collection device, 9, pipeline, 10, valve, 11, liquid waste treating apparatus, 12, activated carbon inhales
Adsorption device, 13, detector, 14, air compressor, 15, tower top kettle, 16, reflux ratio controller, 17, power supply, 18, wire,
19th, condenser, 20, waste liquid holding vessel, 21, standby pool, 22, precipitation storage pond, 23, medicament sedimentation basin, 24, amberplex,
25th, medicament reduction pond, 26, main control room, 27, kinetic pump, 28, alarm.
Specific embodiment
A kind of chromium-containing waste gas processing unit, by waste gas holding vessel 1, filter 2, PH detector 3, acid mist treatment device 4, alkali
Mist processing unit 5, controller 6, cryogenic system 7, particle collection device 8, pipeline 9, valve 10, liquid waste treating apparatus 11, activity
Charcoal adsorbent equipment 12, detector 13, air compressor 14, tower top kettle 15, reflux ratio controller 16, power supply 17, wire 18,
Condenser 19, waste liquid holding vessel 20, standby pool 21, precipitation storage pond 22, medicament sedimentation basin 23, amberplex 24, medicament are also
Former pond 25, main control room 26, kinetic pump 27, alarm 28 are constituted, and it is mainly characterized by：The waste gas holding vessel 1 passes through pipeline 9
It is connected with filter 2, the filter 2 is connected by wire 18 with power supply 17, the filter 2 is distinguished by pipeline 9
It is connected with particle collection device 8 and PH detector 3, valve 10 is installed between the filter 2 and particle collection device 8,
The PH detector 3 is connected with acid fog collection device and alkali mist collection device respectively by pipeline 9, the acid fog collection device
It is connected with PH detector 3 respectively with alkali mist collection device, the PH detector 3 is connected by wire 18 with controller 6, institute
State controller 6 to be connected by wire 18 with cryogenic system 7, the cryogenic system 7 passes through wire 18 with liquid waste treating apparatus 11
It is connected, the liquid waste treating apparatus 11 are connected by pipeline 9 with absorbent charcoal adsorber 12, the absorbent charcoal adsorber
12 are connected by pipeline 9 with detector 13.
Cryogenic system 7 includes air compressor 14, tower top kettle 15, reflux ratio controller 16, power supply 17, wire 18, condensation
Device 19, waste liquid holding vessel 20；In cryogenic system 7, the power supply 17 is connected by wire 18 with kinetic pump 27, the power
Pump 27 is connected by pipeline 9 with air compressor 14, and the air compressor 14 is connected with tower top kettle 15 by pipeline 9,
The tower top kettle 15 is connected by pipeline 9 with condenser 19, and the condenser 19 passes through pipeline 9 and the phase of reflux ratio controller 16
Connection, the reflux ratio controller 16 is connected with tower top kettle 15 and waste liquid holding vessel 20 respectively by pipeline 9.
Liquid waste treating apparatus 11 include standby pool 21, precipitation storage pond 22, medicament sedimentation basin 23, amberplex 24, medicine
Agent reduces pond 25, main control room 26, PH detector 3, particle collection device 8, wire 18；It is described in liquid waste treating apparatus 11
Amberplex 24 reduces pond 25 and is connected with particle collection device 8 and medicament respectively by pipeline 9, and the medicament reduces pond 25
Be connected with medicament sedimentation basin 23 by pipeline 9, the medicament sedimentation basin 23 by pipeline 9 respectively with precipitation storage pond 22 and standby
It is connected with pond 21, PH detector 3 is installed in the medicament sedimentation basin 23, the PH detector 3 is by wire 18 and alarm
Device 28 is connected, and the alarm 28 is connected to main control room 26 by radio link.
During work：The chromium-containing waste gas of the storage of waste gas holding vessel 1 are delivered to filter 2 and separate large particulate matter, point
After a period of time, opening valve 10 is by collecting material in particle collection device 8；Waste gas after filtering passes through PH detector 3
Detection acid-base property, selectivity disposes acid mist or alkali mist into acid mist or alkali mist processing unit, the gas after treatment again by
PH detector 3 is tested, and when PH concentration is not up to standard, squeezed into again in acid mist or alkali mist processing unit and is processed, until PH concentration reaches
Mark, controller 6 is passed to by electric signal, and waste gas is delivered to cryogenic system 7 by controller 6.In cryogenic system 7, by power
Be delivered to waste gas in air compressor 14 waste gas be compressed into required pressure by pump 27, thoroughly remove aerial vapor with
Carbon dioxide, heat exchange is carried out subsequently into tower top kettle 15 with the waste gas for backflowing；Waste gas into being condensed into liquid after condenser 19,
By reflux ratio controller 16 by liquid with 5：1 ratio is delivered in waste liquid holding vessel 20 and tower top kettle 15 respectively, so follows
All waste gases are all become waste liquid by ring.Waste liquid enters liquid waste treating apparatus 11 from after the treatment of cryogenic system 7, by amberplex
Finely ground particle substance is separated and is collected into particle collection device 8 by 24；Waste liquid after treatment is delivered to medicament reduction pond
In 25, hexavalent chromium is reduced into trivalent chromic ion by the effect of reducing agent；Medicament sedimentation basin 23 is next moved to,
Lime or NaOH are added in sedimentation basin, it is generated chromium hydroxide precipitation in the basic conditions, so as to remove chromium ion；
PH detector 3 in medicament sedimentation basin 23 detect PH concentration be not enough to precipitation chromium ion when, electric signal is passed into master control
Room processed 26, opens valve 10 and the liquid in sedimentation basin is delivered into standby pool 21, while chromium hydroxide precipitation is stored to medicament
Sedimentation basin 23, medicament sedimentation basin 23 is conveyed back after medicament is prepared and precipitation process is complete and is proceeded with one's work.After treatment
Be changed into waste gas and adsorbed into absorbent charcoal adsorber 12 after waste liquid decompression, through detector 13 it is qualified after just can be emitted into
In air, if unqualified into the circulation work of absorbent charcoal adsorber 12 untill qualified.
For the ordinary skill in the art, teaching of the invention, do not depart from principle of the invention with
In the case of spirit, the changes, modifications that are carried out to implementation method, replace and modification still fall within protection scope of the present invention it
It is interior.
Claims (3)
1. a kind of chromium-containing waste gas processing unit, is processed by waste gas holding vessel, filter, PH detector, acid mist treatment device, alkali mist
Device, controller, cryogenic system, particle collection device, pipeline, valve, liquid waste treating apparatus, absorbent charcoal adsorber, gas
Detector, air compressor, tower top kettle, reflux ratio controller, power supply, wire, condenser, waste liquid holding vessel, standby pool, precipitation
Storage pond, medicament sedimentation basin, amberplex, medicament reduction pond, main control room, kinetic pump, alarm composition, its principal character
It is：The waste gas holding vessel is connected by pipe-and-filter, and the filter is connected by wire with power supply, the mistake
Filter is connected with particle collection device and PH detector respectively by pipeline, is pacified between the filter and particle collection device
Equipped with valve, the PH detector is connected with acid fog collection device and alkali mist collection device respectively by pipeline, the acid mist
Collection device and alkali mist collection device are connected with PH detector respectively, and the PH detector is connected by wire with controller
Connect, the controller is connected with cryogenic system by wire, the cryogenic system is connected with liquid waste treating apparatus by wire
Connect, the liquid waste treating apparatus are connected by pipeline with absorbent charcoal adsorber, the absorbent charcoal adsorber passes through pipeline
It is connected with detector.
2. a kind of chromium-containing waste gas processing unit according to claim 1, it is characterised in that：Cryogenic system compresses including air
Device, tower top kettle, reflux ratio controller, power supply, wire, condenser, waste liquid holding vessel, in cryogenic system, the power supply passes through
Wire is connected with kinetic pump, and the kinetic pump is connected by pipeline with air compressor, the air compressor and tower top
Kettle is connected by pipeline, and the tower top kettle is connected by pipeline with condenser, and the condenser passes through pipeline and reflux ratio
Controller is connected, and the reflux ratio controller is connected with tower top kettle and waste liquid holding vessel respectively by pipeline.
3. a kind of chromium-containing waste gas processing unit according to claim 1, it is characterised in that：Liquid waste treating apparatus include standby
Pond, precipitation storage pond, medicament sedimentation basin, amberplex, medicament reduction pond, main control room, PH detector, powder collection dress
Put, wire, in liquid waste treating apparatus, the amberplex reduces pond with particle collection device and medicament respectively by pipeline
Be connected, medicament reduction pond is connected by pipeline with medicament sedimentation basin, the medicament sedimentation basin pass through pipeline respectively with
Precipitation storage pond is connected with standby pool, and PH detector is provided with the medicament sedimentation basin, and the PH detector passes through wire
It is connected with alarm, the alarm is connected to main control room by radio link.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810132453.8A CN108236837B (en) | 2017-04-21 | 2017-04-21 | Chromium-containing waste gas treatment device |
| CN201710267803.7A CN106861299B (en) | 2017-04-21 | 2017-04-21 | A kind of chromium-containing waste gas processing unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710267803.7A CN106861299B (en) | 2017-04-21 | 2017-04-21 | A kind of chromium-containing waste gas processing unit |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810132453.8A Division CN108236837B (en) | 2017-04-21 | 2017-04-21 | Chromium-containing waste gas treatment device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106861299A true CN106861299A (en) | 2017-06-20 |
| CN106861299B CN106861299B (en) | 2018-03-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810132453.8A Active CN108236837B (en) | 2017-04-21 | 2017-04-21 | Chromium-containing waste gas treatment device |
| CN201710267803.7A Expired - Fee Related CN106861299B (en) | 2017-04-21 | 2017-04-21 | A kind of chromium-containing waste gas processing unit |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810132453.8A Active CN108236837B (en) | 2017-04-21 | 2017-04-21 | Chromium-containing waste gas treatment device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110801721A (en) * | 2019-09-30 | 2020-02-18 | 江苏华洋新思路能源装备股份有限公司 | Waste gas treatment system for coal chemical industry |
| CN112504962A (en) * | 2020-12-04 | 2021-03-16 | 江苏源泉智能装备科技有限公司 | Portable electroplating workshop chromic acid fog automatic checkout device |
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| CN109289759B (en) * | 2018-11-23 | 2021-06-18 | 张少强 | Solid alkali adsorbent and integrated device for synchronously treating acid gas and organic waste gas |
| CN111068414A (en) * | 2019-12-17 | 2020-04-28 | 一汽解放汽车有限公司 | Air filtering system and filtering method |
| CN111129547A (en) * | 2019-12-31 | 2020-05-08 | 一汽解放汽车有限公司 | Identification control device and method for gas quality of cathode air filter of hydrogen fuel cell |
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| CN102153217A (en) * | 2011-03-04 | 2011-08-17 | 漆雅丽 | Electroplating integrated wastewater treatment method |
| US20150064084A1 (en) * | 2012-03-23 | 2015-03-05 | Takeo Kurushima | Method for Treating Discharge Gas |
| CN103979704A (en) * | 2013-10-24 | 2014-08-13 | 李敏 | Hexavalent chromium-containing wastewater treatment method |
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| CN110801721A (en) * | 2019-09-30 | 2020-02-18 | 江苏华洋新思路能源装备股份有限公司 | Waste gas treatment system for coal chemical industry |
| CN112504962A (en) * | 2020-12-04 | 2021-03-16 | 江苏源泉智能装备科技有限公司 | Portable electroplating workshop chromic acid fog automatic checkout device |
| CN112504962B (en) * | 2020-12-04 | 2022-09-20 | 江苏源泉智能装备科技有限公司 | Portable electroplating workshop chromic acid fog automatic checkout device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108236837B (en) | 2020-08-25 |
| CN108236837A (en) | 2018-07-03 |
| CN106861299B (en) | 2018-03-20 |
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