CN108211707A - A kind of device for laboratory acid gas environment protection treating - Google Patents
A kind of device for laboratory acid gas environment protection treating Download PDFInfo
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- CN108211707A CN108211707A CN201810156242.8A CN201810156242A CN108211707A CN 108211707 A CN108211707 A CN 108211707A CN 201810156242 A CN201810156242 A CN 201810156242A CN 108211707 A CN108211707 A CN 108211707A
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- 239000002253 acid Substances 0.000 title claims abstract description 22
- 238000000746 purification Methods 0.000 claims abstract description 78
- 238000009423 ventilation Methods 0.000 claims abstract description 26
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 8
- 230000003647 oxidation Effects 0.000 claims abstract description 7
- 238000010521 absorption reaction Methods 0.000 claims abstract description 5
- 238000003556 assay Methods 0.000 claims abstract description 4
- 238000004140 cleaning Methods 0.000 claims abstract description 3
- 239000007789 gas Substances 0.000 claims description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 37
- 239000007788 liquid Substances 0.000 claims description 29
- 239000007921 spray Substances 0.000 claims description 21
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 19
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 18
- 239000011259 mixed solution Substances 0.000 claims description 7
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 6
- 239000004202 carbamide Substances 0.000 claims description 6
- 238000005507 spraying Methods 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 230000006378 damage Effects 0.000 abstract description 4
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 18
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 15
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 6
- 238000012545 processing Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- MGWGWNFMUOTEHG-UHFFFAOYSA-N 4-(3,5-dimethylphenyl)-1,3-thiazol-2-amine Chemical compound CC1=CC(C)=CC(C=2N=C(N)SC=2)=C1 MGWGWNFMUOTEHG-UHFFFAOYSA-N 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 241000790917 Dioxys <bee> Species 0.000 description 1
- 241000628073 Exocelina fume Species 0.000 description 1
- 206010058467 Lung neoplasm malignant Diseases 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000003916 acid precipitation Methods 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000002920 hazardous waste Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- -1 hydrogen peroxide Nitrogen dioxide Chemical compound 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 201000005202 lung cancer Diseases 0.000 description 1
- 208000020816 lung neoplasm Diseases 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004630 mental health Effects 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- DOTMOQHOJINYBL-UHFFFAOYSA-N molecular nitrogen;molecular oxygen Chemical compound N#N.O=O DOTMOQHOJINYBL-UHFFFAOYSA-N 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Classifications
-
- 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
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/75—Multi-step processes
-
- 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
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/50—Sulfur oxides
- B01D53/501—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound
- B01D53/502—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound characterised by a specific solution or suspension
-
- 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
- B01D53/46—Removing components of defined structure
- B01D53/54—Nitrogen compounds
- B01D53/56—Nitrogen oxides
-
- 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
- B01D53/46—Removing components of defined structure
- B01D53/60—Simultaneously removing sulfur oxides and nitrogen oxides
-
- 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
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
-
- 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
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/79—Injecting reactants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/10—Oxidants
- B01D2251/106—Peroxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/20—Reductants
- B01D2251/206—Ammonium compounds
- B01D2251/2067—Urea
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/30—Alkali metal compounds
- B01D2251/304—Alkali metal compounds of sodium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/60—Inorganic bases or salts
- B01D2251/604—Hydroxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/40—Nitrogen compounds
- B01D2257/404—Nitrogen oxides other than dinitrogen oxide
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
Abstract
A kind of device for laboratory acid gas environment protection treating for being related to laboratory field, described device include ventilating kitchen, interior ventilation duct, first class purification tower, secondary purification tower, exhaust chimney and separate ventilation pipe；The ventilating kitchen is mounted on the position above assay platform in corresponding laboratory room, exhanst gas outlet at the top of ventilating kitchen is equipped with air-valve, interior ventilation duct one end is connected with the exhaust outlet of air-valve, the other end is connected with outdoor ventilation pipe, the connection corresponding with the bottom of first class purification tower for being used to carry out oxidation, purification of separate ventilation pipe, the connection corresponding with the bottom of the secondary purification tower for absorption cleaning of the top of first class purification tower, the top of secondary purification tower pass through air exhauster connection corresponding with exhaust chimney；Described device can effectively administer the acid gas of laboratory generation to the harm caused by environment.
Description
Technical field
The present invention relates to laboratory field, more particularly, to a kind of environmental protection treatment for the acid gas for being used to administer laboratory generation
Device.
Background technology
Well known, China possesses all kinds of scientific research institutions, quality inspection, epidemic prevention, environmental monitoring, agricultural and colleges and universities etc. with laboratory
Mechanism, laboratory sum reach nearly as many as 100,000, in these laboratories, can all there is large quantities of students, scientific research or detection daily
Personnel are carrying out various experiments, due to be applied to various instrument and equipments and miscellaneous chemicals or violent in toxicity
Matter, therefore it inevitably generates poisonous and hazardous waste；At present, the primary chemical medicament that laboratory uses has salt
Acid, nitric acid, sulfuric acid etc., acid is reacted with product sample in procedure, can release hydrochloric acid volatilization gas, sulfur dioxide, nitrogen oxygen
The harmful acid waste gas such as compound, if these exhaust gas are directly released into air, it includes sulfur dioxide, nitrogen
Oxide will form acid rain in air, so as to directly pollute the environment；However, the acid gas base that existing laboratory generates
All it is to be directly discharged in air by exhaust fan in sheet, acid gas pollution is not only caused to environment, but also can jeopardize
The health of people, especially sulfur dioxide and nitrogen oxides are all one of an important factor for leading to lung cancer.
Invention content
In order to overcome the shortcomings of in background technology, the invention discloses a kind of dresses for laboratory acid gas environment protection treating
It puts, described device can effectively administer the acid gas of laboratory generation to the harm caused by environment.
For achieving the above object, the present invention adopts the following technical scheme that：
A kind of device for laboratory acid gas environment protection treating, described device include ventilating kitchen, interior ventilation duct, first class purification tower,
Secondary purification tower, exhaust chimney and separate ventilation pipe；The ventilating kitchen is mounted in corresponding laboratory room above assay platform
Position, the exhanst gas outlet at the top of ventilating kitchen are equipped with air-valve, and interior ventilation duct one end is connected with the exhaust outlet of air-valve, the same room of the other end
Separate ventilation pipe connects, the connection corresponding with the bottom of first class purification tower for being used to carry out oxidation, purification of separate ventilation pipe, first class purification tower
Tower internal upper part is equipped with the spray equipment for spraying hydrogen peroxide and lye mixed solution；The top of first class purification tower is absorbed with being used for
The bottom of the secondary purification tower of purification corresponds to connection, and secondary purification tower tower internal upper part is from top to bottom equipped with successively for gas-liquid separation
Swirl-flow devices and spray equipment for spraying urea liquid, the top of secondary purification tower pass through air exhauster and exhaust cigarette
Chimney corresponds to connection.
Further, described device contains the automatic water replenishing device that water inlet is connected with external water inlet pipe, the automatic water replenishing device
Water outlet is connected, and automatic water replenishing device by water supply pipe with being located at the water inlet of first class purification tower and secondary purification bottom of towe end respectively
The liquid surface level that interior liquid level accumulates with first class purification tower and secondary purification Ta Tanei.
Further, first class purification Ta Tanei bottoms contain the mixed solution liquid level containing hydrogen peroxide and sodium hydroxide.
Further, secondary purification Ta Tanei lower parts are equipped with porous sieve plate layer or filled layer for filtering.
Further, positions of the secondary purification Ta Tanei between swirl-flow devices and spray equipment is equipped with to remove gas
The demisting layer of middle excessive moisture.
Due to using technical solution as described above, the present invention has the advantages that：
Apparatus structure of the present invention for laboratory acid gas environment protection treating is simple, of low cost, is easily installed, is easy to make
With；First class purification tower in described device, i.e. fume treatment tower can be made using two-stage spray lye and hydrogen peroxide mixed solution
Nitric oxide in sour gas is fully oxidized into nitrogen dioxide, consequently facilitating secondary purification tower, i.e. spray absorber are again
Purification；Its secondary purification tower used can ensure that the gas of process fully reacts, so as to be purified again, meanwhile, absorption tower
Top uses swirl-flow devices, and the gas that can make that treated and spray liquid efficiently separate, and reduce application cost；Through described device pair
Laboratory generate sour gas carry out redox purified treatment after, in sour gas reaction of nitrogen oxides generation nitrogen, water and
It is discharged after the harmless components such as carbon dioxide, secondary pollution will not be generated；
Described device overcomes the acid gas of current laboratory generation by the deficiency of exhaust fan direct emission, employs and passes through indoors
Sour gas is collected in wind kitchen, and sour gas is then made to enter first class purification tower, and one is neutralized by hydrogen peroxide and lye mixing spray
Partially acidic gas makes the nitric oxide in sour gas fully oxidized by hydrogen peroxide, forms the dioxy for being easy to be absorbed processing
Change nitrogen, then enter back into secondary purification tower, sprayed by urea liquid, nitrogen oxides is made fully to react purification, then passes through tower
The swirl-flow devices on top detach the gas after ejecting liquid and treatment and purification, and finally gas after processing is by air exhauster
It send to exhaust chimney and discharges, the gas given off can meet requirement of the country to environment protection emission；It is used with current laboratory
Exhaust fan it is in line compare, described device can collect and by chemical method absorb processing laboratory generate sour gas,
Sour gas disposal absorbs can be up to more than 99%, so as to which the acid gas for not only effectively having administered laboratory generation makes environment
Into harm, and ensured the physical and mental health of people accordingly.
Description of the drawings
Fig. 1 is the structure diagram of the present invention；
Fig. 2 is the structure diagram of the ventilating kitchen；
Fig. 3 is the structure diagram of the purifying column.
In figure：1st, ventilating kitchen；2nd, air-valve；3rd, interior ventilation duct；4th, water inlet pipe；5th, automatic water replenishing device；6th, water supply pipe；7th, level-one
Purifying column；8th, secondary purification tower；9th, air exhauster；10th, exhaust chimney；11st, separate ventilation pipe.
Specific embodiment
The present invention can be explained in more detail by the following examples, the open purpose of the present invention is intended to the protection present invention
In the range of all changes and improvements, the invention is not limited in the following examples：
The device for laboratory acid gas environment protection treating with reference to described in attached drawing 1~3, described device include ventilating kitchen 1, interior ventilation
Pipe 3, first class purification tower 7, secondary purification tower 8, exhaust chimney 10 and separate ventilation pipe 11；The ventilating kitchen 1 is mounted on correspondenceization
The position above assay platform in the room of room is tested, for collecting the sour gas generated in procedure；The flue gas at 1 top of ventilating kitchen
Outlet is equipped with air-valve 2, for the opening and closing during 1 use of ventilating kitchen, so as to ensure ventilating kitchen 1 currently in use
Capacity；One end of interior ventilation duct 3 is connected with the exhaust outlet of air-valve 2, and the other end of interior ventilation duct 3 connects with separate ventilation pipe 11
It connects, the sour gas for ventilating kitchen 4 to be collected is discharged to separate ventilation pipe 11；Separate ventilation pipe 11 carries out the one of oxidation, purification with being used for
The bottom of grade purifying column 7 corresponds to connection, i.e. sour gas is net from separate ventilation pipe 11 into progress oxidation reaction in first class purification tower 7
Change；7 tower internal upper part of first class purification tower is equipped with the spray equipment for spraying hydrogen peroxide and lye mixed solution, by spraying out
Mixed liquor neutralize sour gas, make nitric oxide in sour gas fully oxidized into being easy to be absorbed processing by hydrogen peroxide
Nitrogen dioxide；To improve oxidation effectiveness, can in 7 tower of first class purification tower bottom accumulate it is mixed containing hydrogen peroxide and sodium hydroxide
Close aqueous liquids layer, so as to enable by the sour gas that separate ventilation pipe 11 is passed through by the liquid level when first by oxygenolysis
Once, then after gas emerges the liquid level, additionally it is possible to carry out once oxidation decomposition by the mixed solution that spray goes out again；
The connection corresponding with the bottom of secondary purification tower 8 for being used to carry out absorption cleaning of the top of first class purification tower 7, i.e. sour gas
Secondary purification tower 8 is entered back into after oxidation processes by first class purification tower 7 and carries out absorbing reaction purification；In 8 tower of secondary purification tower
Top is from top to bottom equipped with successively for the swirl-flow devices of gas-liquid separation and the spray equipment for spraying urea liquid, i.e., sour
Property gas the tower after the processing of the oxidative absorption of first class purification tower 7, can entered from the bottom of secondary purification tower 8, and lead to
The water mist that spray equipment uniformly sprays is crossed to be purified again, and purified gas can be under the action of swirl-flow devices certainly
Carry out screw on down, and efficiently separate out purified gas with the liquid sprayed out in screw, profit
The discharge of gas after purification；The top of secondary purification tower 8 is passed through by the connection corresponding with exhaust chimney 10 of air exhauster 9
The gas of meet the requirement of environmental protection, can be discharged into exhaust chimney 10 under the action of air exhauster 9 after the processing of secondary purification tower 8, then
It is discharged in air through exhaust chimney 10；
In actual job, bottom can accumulate a certain amount of corresponding liquid in the tower of first class purification tower 7 and secondary purification tower 8
Body, and in order to ensure that the liquid level in first class purification tower 7 and secondary purification tower 8 always in normal level, is avoided in purifying column
Evaporate it is too fast and may caused by spray pump damage, a water inlet and external water inlet pipe 4 can be set in said device
The automatic water replenishing device 5 of connection, the water outlet of the automatic water replenishing device 5 is by water supply pipe 6 respectively with being located at first class purification tower 7 and two level
The water inlet connection of 8 bottom end of purifying column, and in the liquid level inside automatic water replenishing device 5 and 8 tower of first class purification tower 7 and secondary purification tower
The liquid surface level of accumulation, the i.e. liquid level inside automatic water replenishing device 5 be less than normal level of liquid when, automatic water replenishing device 5 it is automatic
Water compensating valve can automatically turn on, and be then automatically replenished by water inlet pipe 4 into automatic water replenishing device 5, the liquid inside automatic water replenishing device 5
When face reaches normal level, the liquid level in 8 tower of first class purification tower 7 and secondary purification tower can also restore normal level, at this point, automatically
The automatic water compensating valve of hutch water device 5 is closed, and stops moisturizing；
As needed, lower part can be provided with porous sieve plate layer or filled layer for filtering in 8 tower of secondary purification tower, and in tower
The urea liquid that sprays of spray equipment can keep the moistening of porous sieve plate layer or filled layer, so as to make to enter secondary purification tower
Gas in 8 towers can more contact when by the porous sieve plate layer or filled layer of moistening with urea liquid generation, so as to
Increase its time by reaction purification；Furthermore it is possible in 8 tower of secondary purification tower between swirl-flow devices and spray equipment
Position setting is first by the gas of the saturated with water of spray equipment so as to make for removing the demisting layer of excessive moisture in gas
Large quantity of moisture is removed by demisting layer, remaining moisture is isolated using swirl-flow devices, then can just be discharged into air
In.
Part not in the detailed description of the invention is the prior art, therefore the present invention is not described in detail.
Claims (5)
1. a kind of device for laboratory acid gas environment protection treating, it is characterized in that：Described device includes ventilating kitchen（1）, interior ventilation
Pipe（3）, first class purification tower（7）, secondary purification tower（8）, exhaust chimney（10）With separate ventilation pipe（11）；The ventilating kitchen（1）
Position above assay platform in corresponding laboratory room, ventilating kitchen（1）The exhanst gas outlet at top is equipped with air-valve（2）,
Interior ventilation duct（3）The same air-valve in one end（2）Exhaust outlet connection, the other end is the same as separate ventilation pipe（11）Connection, separate ventilation pipe（11）With
For carrying out the first class purification tower of oxidation, purification（7）Bottom correspond to connection, first class purification tower（7）Tower internal upper part is equipped with to spray
Drench the spray equipment of hydrogen peroxide and lye mixed solution；First class purification tower（7）Top with for carrying out the two level of absorption cleaning
Purifying column（8）Bottom correspond to connection, secondary purification tower（7）Tower internal upper part is from top to bottom equipped with the rotation for gas-liquid separation successively
Flow device and the spray equipment for spraying urea liquid, secondary purification tower（8）Top pass through air exhauster（9）With exhaust
Chimney（10）Corresponding connection.
2. the device according to claim 1 for laboratory acid gas environment protection treating, it is characterized in that：Described device contain into
The mouth of a river and external water inlet pipe（4）The automatic water replenishing device of connection（5）, the automatic water replenishing device（5）Water outlet pass through water supply pipe（6）Point
Not with being located at first class purification tower（7）With secondary purification tower（8）The water inlet connection of bottom end, and automatic water replenishing device（5）Interior liquid level
With first class purification tower（7）With secondary purification tower（8）The liquid surface level accumulated in tower.
3. the device according to claim 1 for laboratory acid gas environment protection treating, it is characterized in that：First class purification tower（7）
Bottom contains the mixed solution liquid level containing hydrogen peroxide and sodium hydroxide in tower.
4. the device according to claim 1 for laboratory acid gas environment protection treating, it is characterized in that：Secondary purification tower（8）
Lower part is equipped with porous sieve plate layer or filled layer for filtering in tower.
5. the device according to claim 1 for laboratory acid gas environment protection treating, it is characterized in that：Secondary purification tower（8）
Position in tower between swirl-flow devices and spray equipment is equipped with the demisting layer for removing excessive moisture in gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810156242.8A CN108211707A (en) | 2018-02-24 | 2018-02-24 | A kind of device for laboratory acid gas environment protection treating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810156242.8A CN108211707A (en) | 2018-02-24 | 2018-02-24 | A kind of device for laboratory acid gas environment protection treating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108211707A true CN108211707A (en) | 2018-06-29 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810156242.8A Pending CN108211707A (en) | 2018-02-24 | 2018-02-24 | A kind of device for laboratory acid gas environment protection treating |
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| CN (1) | CN108211707A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110252103A (en) * | 2019-08-02 | 2019-09-20 | 侯宪坤 | A kind of coal-fired flue-gas treatment compositions and processing method, device and application |
| CN111036075A (en) * | 2019-12-30 | 2020-04-21 | 紫金铜业有限公司 | Method for treating high-concentration nitrogen oxide flue gas |
Citations (23)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111036075A (en) * | 2019-12-30 | 2020-04-21 | 紫金铜业有限公司 | Method for treating high-concentration nitrogen oxide flue gas |
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