CN106362540B - A kind of gas cleaning plant and purification method for degasser - Google Patents

A kind of gas cleaning plant and purification method for degasser Download PDF

Info

Publication number
CN106362540B
CN106362540B CN201610957195.8A CN201610957195A CN106362540B CN 106362540 B CN106362540 B CN 106362540B CN 201610957195 A CN201610957195 A CN 201610957195A CN 106362540 B CN106362540 B CN 106362540B
Authority
CN
China
Prior art keywords
gas
tank
degasser
rate signal
change rate
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.)
Active
Application number
CN201610957195.8A
Other languages
Chinese (zh)
Other versions
CN106362540A (en
Inventor
毛敏
孙恒君
吴昊晟
邴磊
沈文建
李洪跃
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.)
China France Bohai Geoservices Co Ltd
Original Assignee
China France Bohai Geoservices 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 China France Bohai Geoservices Co Ltd filed Critical China France Bohai Geoservices Co Ltd
Priority to CN201610957195.8A priority Critical patent/CN106362540B/en
Publication of CN106362540A publication Critical patent/CN106362540A/en
Application granted granted Critical
Publication of CN106362540B publication Critical patent/CN106362540B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • B01D53/002—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
    • B01D50/00—Combinations of methods or devices for separating 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
    • B01D53/02—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
    • B01D53/04—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 with stationary adsorbents
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B13/00—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion
    • G05B13/02—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric
    • G05B13/0265—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric the criterion being a learning criterion
    • G05B13/0275—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric the criterion being a learning criterion using fuzzy logic only

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Artificial Intelligence (AREA)
  • Software Systems (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Physics & Mathematics (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Health & Medical Sciences (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Evolutionary Computation (AREA)
  • Medical Informatics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Drying Of Gases (AREA)
  • Separation Of Gases By Adsorption (AREA)

Abstract

The invention discloses a kind of gas cleaning plants for degasser, comprising: removes water pot comprising the air inlet pipeline for going deep into tank base, for dispelling the intracorporal moisture of gas；Scrubbing tank is connected to the gas outlet except water pot, and including internal cleaner is arranged in, for dispelling the intracorporal impurity of gas；Clean tank, its gas outlet for being connected to the scrubbing tank, and including internal cleansing tablet is arranged in, for further dispelling moisture in the scrubbing tank, impurity in gas is dispelled by scrubbing tank, multistage purification, which is worn, to be connect, and is guaranteed clean-up effect, is additionally provided a kind of method for gas purification for degasser, and calculate assessment factor, fuzzy controller is carried it into, throttle valve opening is precisely controlled, guarantees gas purifying effect.

Description

A kind of gas cleaning plant and purification method for degasser
Technical field
The present invention relates to petroleum gas field of purification more particularly to a kind of for the gas cleaning plant of degasser and one Kind is used for the method for gas purification of degasser.
Background technique
Gas cleaning plant is always the problem of well logging personnel, the method that Logging Industry can only be dry using water removal for many years Water removal drying is carried out to natural gas, the method is mostly used chemical mode and is dried, on the day of filling anhydrous calcium chloride in a container Right air-flow is chlorinated calcium absorption through water when calcium chloride, but calcium chloride sometimes some powder be mingled in gas it is stifled into chromatograph Chromatographic capillary and chromatographic column are filled in, expensive precision instrument damage is caused.Furthermore the natural gas isolated from degasser It is that impure oil-containing impurity enters in chromatograph.Our special open issue the side using physical method combination water removal filtering thus Method removes moisture and impurity in natural gas and keeps the pure of gas and the dry monitoring analysis for making precision instrument safe and reliable.
Summary of the invention
The present invention has designed and developed a kind of gas cleaning plant for degasser, chromatograph front end is mounted on, by removing Water pot dispels gas internal water, dispels impurity in gas by scrubbing tank, and multistage purification, which is worn, to be connect, and guarantees clean-up effect.
The present invention also provides a kind of method for gas purification for degasser, and calculate assessment factor, carry it into mould Fuzzy controllers are precisely controlled throttle valve opening, guarantee gas purifying effect.
Technical solution provided by the invention are as follows:
A kind of method for gas purification for degasser, which comprises the following steps:
A kind of gas cleaning plant for degasser, comprising:
Except water pot comprising the air inlet pipeline for going deep into tank base, for dispelling the intracorporal moisture of gas；
Scrubbing tank is connected to the gas outlet except water pot, and including internal cleaner is arranged in, for dispelling gas Intracorporal impurity；
Tank is cleaned, the gas outlet of the scrubbing tank is connected to, and including internal cleansing tablet is arranged in, for further dispelling Except moisture in the scrubbing tank；
Throttle valve connects the gas outlet of the cleaning tank；
Acquisition removes gas temperature T in water pot, gas temperature T in scrubbing tank0, gas humidity RH in tank is cleaned, is cleaned in tank Gas concentration ρ2, ambient humidity RH0；
It calculates and assesses factor in degasserAnd make comparisons it with default assessment factor to obtain assessment factor deviation signal, It makes comparisons gas concentration in cleaning tank to obtain gas concentration deviation signal with average gas concentration；
Assessment factor deviation signal is obtained into assessment factor change rate signal by differential calculation；Gas concentration deviation is believed Number gas concentration change rate signal is obtained after differential calculation；
Factor change rate signal will be assessed and gas concentration change rate signal inputs fuzzy controller, exported as throttle valve Aperture；
Wherein, the calculation formula of the assessment factor are as follows:
Preferably, it is described assessment factor change rate signal and gas concentration change rate signal fuzzy set be NB, NM, NS, ZR, PS, PM, PB }, PB indicates honest, and PM indicates center, and PS indicates just small, and ZR indicates that zero, NS expression is born small, and NM indicates negative In, NB indicates negative big, their domain are as follows: { -6, -5, -4, -3, -2, -1,0,1,2,3,4,5,6 }.
Preferably, the air inlet pipeline material is iron Buddhist dragon.
Preferably, it is covered with glass marble inside the cleaner.
Preferably, the cleansing tablet is the filter for being covered with filter hole.
Preferably, further include pipe close, water pot and/or the scrubbing tank bottom are removed described by quick connector setting Portion.
Preferably, the quick connector includes:
Intubation, the pipe close are arranged in described intubation one end；
Elastic fastening head is set in the intubation.
Beneficial effects of the present invention
The present invention has designed and developed a kind of gas cleaning plant for degasser, chromatograph front end is mounted on, by removing Water pot dispels gas internal water, dispels impurity in gas by scrubbing tank, and multistage purification, which is worn, to be connect, and guarantees clean-up effect, filter Pipe diameter length increase, the moisture enable comes into full contact with inner wall, and gas is all to be filtered from bottom to top.
Gas cleaning plant provided by the invention, filter interior are that oleophylic material, atomized water are not assembled easily, are all filtered Mode is physical method, does not generate chemical reaction, will not bring secondary pollution, solves sub-cooled dehumidifying, can be dried Gas is also cooled to liquid to heavy constituent simultaneously.Sub-cooled cannot go out the features such as decontamination.
The present invention also provides a kind of method for gas purification for degasser, and calculate assessment factor, carry it into mould Fuzzy controllers are precisely controlled throttle valve opening, guarantee gas purifying effect.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the gas cleaning plant of the present invention for degasser.
Specific embodiment
Present invention will be described in further detail below with reference to the accompanying drawings, to enable those skilled in the art referring to specification text Word can be implemented accordingly.
As shown in Figure 1, a kind of gas cleaning plant for degasser provided by the invention, comprising: except water pot 100, remove Dirty tank 200 and cleaning tank 300.
Except water pot 100 comprising go deep into the air inlet pipeline 110 of tank base, main function is away a large amount of in gas Moisture, in the bottom-up flow process of mixed gas, substance is different in gas, and quality and liquefaction point are different, it may occur that condensation, Here the condensation effect of water is best and the impurity of fractions can be also dissolved into water, as a kind of preferred air inlet pipeline Material is the iron Buddhist dragon material of not hydrophilic and oleophilic, and the water of condensation can be rapidly condensed into droplet and be flowed into tank bottom, without suspending On tube wall, second gasification is formed.
Scrubbing tank 200, main function are the removal intracorporal mixed impurity of gas, are connected to the gas outlet except water pot 100, And including internal cleaner 210 is arranged in, for dispelling the intracorporal impurity of gas；Compared with other tank bodies, promoting menstruation is longer, makes condensation The temperature difference and stroke are more long, and water rem oval is higher, are wherein covered in cleaner 210 inside glass marble full of tiny glass marble, The impurity absorption passed through is on glass marble；Mixed gas must can have collision with glass marble, increase during flowing through Sticking probability, and make the larger impurity impact grinding for being not easy to adsorb；During gas flows through, it can flow, make along glass marble The stroke that must be flowed through increases, and increases sticking probability.
Tank 300 is cleaned, is connected to the gas outlet of the scrubbing tank, and including internal cleansing tablet 310 is arranged in, it is main to make With to carry out last cleaning and drying to gas, final filtering is carried out to gas, tiny pollutant and moisture are gone It removes, centre is filter, and gas has to flow through could flow out herein, and filter hole herein is small, hydrone and impurity It not can enter, and gas can enter, and achieve the effect that decontamination is dry.
Pipe close 400 is removing 200 bottom of water pot 100 and/or scrubbing tank, quick connector by the setting of quick connector 410 410, it in this system, is connect for quick plug with pipeline between each section, airtightness is strong and convenient for disassembly and assembly, comprising: be intubated, pipe close 400 settings are in intubation one end；Elastic fastening head, is set in intubation, and water pot, decontamination tank and cleaning pot bottom is gone quickly to insert Head, all connection pipe close, are herein drainage system, when the water in pipe is more, extracts pipe close, water is discharged, again will pipe after emptying Plug insertion, it is simple to operate.
Throttle valve 500, the gas outlet of connection cleaning tank, carrys out the flow of regulating gas.
In another embodiment, each junction, all mounting gasket, prevent gas from leaking.
Implement by taking the course of work for the gas cleaning plant of degasser as an example, is described further
Mixed gas is by gas access, and into water pot 100 is removed, gas enters from top, flows into along inner tube and removes 100 bottom of water pot Portion rises to top upwards along tank body later, and most water is separated in the process, enters scrubbing tank 200, mixing later Gas disperses to flow into lower part from 200 top of scrubbing tank, enters later from cleaner lower part, flows through cleaner, and impurity filters herein, And clean air flows through cleaning tank 300 along overhead line, cleaning tank stroke is identical as decontamination tank, but middle section is filter 310, fine impurities and moisture can be isolated, only gas be allowed to flow through, reach three layers of cleaning effect.The gas of final filtration passes through Gas valve flows into late detection equipment.
A kind of method for gas purification for degasser, comprising the following steps:
Acquisition removes gas temperature T in water pot, gas temperature T in scrubbing tank0, gas humidity RH in tank is cleaned, is cleaned in tank Gas concentration ρ2, ambient humidity RH0；
It calculates and assesses factor in purification device
By itself and default assessment factorIt makes comparisons to obtain assessment factor deviation signal, by gas in cleaning tank Concentration and average gas concentrationIt makes comparisons to obtain gas concentration deviation signal；
Assessment factor deviation signal is obtained into assessment factor change rate signal by differential calculation；Gas concentration deviation is believed Number gas concentration change rate signal is obtained after differential calculation；
Factor change rate signal e will be assessed1, gas concentration change rate signal e2Fuzzy controller is inputted, is exported as throttle valve Aperture.
Wherein, e1、e2, q actual change range be respectively [- 1,1], [- 1,1], [0,10]；E1、E2, discrete domain It is { -6, -5, -4, -3, -2, -1,0,1,2,3,4,5,6 } that the discrete domain of Q is { 0,1,2,3,4,5,6,7,8,9,10 }
Then quantizing factor k1=6/1, k2=6/1, scale factor k3=10/10
Ambiguity in definition subset and membership function:
Assessment factor change rate signal is divided into 7 fringes: PB (honest), PM (center), PS (just small), ZR (zero), NS (bearing small), NM (in negative), NB (negative big), obtains assessment factor change rate signal e in conjunction with experience1Subordinating degree function Table, as shown in table 1.
Table 1 assesses factor change rate signal e1Subordinating degree function table
e1 -6 -5 -4 -3 -2 -1 -0 +0 +1 +2 +3 +4 +5 +6
PB 0 0 0 0 0 0 0 0 0 0 0 0.2 0.7 1.0
PM 0 0 0 0 0 0 0 0 0 0.2 0.7 1.0 0.7 0.2
PS 0 0 0 0 0 0 0 0.1 0.7 1.0 0.7 0.1 0 0
ZR 0 0 0 0 0.1 0.7 1.0 0 0 0 0 0 0 0
NB 0 0 0.1 0.7 1.0 0.7 0.1 0 0 0 0 0 0 0
NM 0.2 0.7 1.0 0.7 0.2 0 0 0 0 0 0 0 0 0
NS 1.0 0.7 0.2 0 0 0 0 0 0 0 0 0 0 0
Gas concentration change rate signal e2It is divided into 7 fringes: PB (honest), PM (center), PS (just small), ZR (zero), NS (bearing small), NM (in negative), NB (negative big), obtains gas concentration change rate signal e in conjunction with experience2Subordinating degree function Table, as shown in table 2.
2 gas concentration change rate signal e of table2Subordinating degree function table
Be seven fringes throttle valve opening q points: PB (honest), PM (center), PS (just small), ZR (zero), NS are (negative It is small), NM (in negative), NB (negative big) obtain the function table of throttle valve opening q being subordinate in conjunction with experience, as shown in table 3.
The subordinating degree function table of 3 throttle valve opening q of table
q 0 1 2 3 4 5 6 7 8 9 10
PB 0 0 0 0 0 0 0 0 0.2 0.7 1.0
PM 0 0 0 0 0 0 0 0.2 1.0 0.8 0.2
PS 0 0 0 0 0 0 0.8 1.0 0.2 0 0
ZR 0 0 0 0 0 0.5 0.5 0 0 0 0
NB 0 0 0.2 0.8 1.0 0.8 0 0 0 0 0
NM 0.2 0.8 1.0 0.8 0.2 0 0 0 0 0 0
NS 1.0 0.7 0.2 0 0 0 0 0 0 0 0
Fuzzy reasoning process has to carry out complicated matrix operation, and calculation amount is very big, and on-line implement reasoning is difficult to meet The requirement of control system real-time, the present invention carry out fuzzy reasoning operation using look-up table, and Fuzzy inferential decision uses dual input The mode singly exported, control rule are made of following reasoning language:
If e is Ai and ec is Bi then ΔKj is Ci
Wherein, Ai, Bi, Ci are respectively ec1、ec2With q fuzzy subset.
The preliminary control rule of fuzzy controller can be summed up by experience, wherein parameter q controls rule and is shown in Table 4.
Table 4 is fuzzy control rule table
Fuzzy controller carries out defuzzification to output signal according to the fuzzy value obtained, obtains throttle valve opening, modulus Paste Control query table, due to domain be it is discrete, fuzzy control rule and a fuzzy matrix can be expressed as, using single-point mould Gelatinization, finds out fuzzy polling list, is shown in Table 5
5 fuzzy polling list of table
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easily Realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, the present invention is simultaneously unlimited In specific details and legend shown and described herein.

Claims (7)

1. a kind of method for gas purification for degasser, which comprises the following steps:
A kind of gas cleaning plant for degasser, comprising:
Except water pot comprising the air inlet pipeline for going deep into tank base, for dispelling the intracorporal moisture of gas；
Scrubbing tank is connected to the gas outlet except water pot, and including internal cleaner is arranged in, for dispelling in gas Impurity；
Tank is cleaned, the gas outlet of the scrubbing tank is connected to, and including internal cleansing tablet is arranged in, for further dispelling institute State moisture in scrubbing tank；
Throttle valve connects the gas outlet of the cleaning tank；
Acquisition removes gas temperature T in water pot, gas temperature T in scrubbing tank0, gas humidity RH in tank is cleaned, it is dense to clean gas in tank Spend ρ2, ambient humidity RH0；
It calculates and assesses factor in degasserAnd make comparisons it with default assessment factor to obtain assessment factor deviation signal, it will be clear Gas concentration makes comparisons to obtain gas concentration deviation signal with average gas concentration in clean tank；
Assessment factor deviation signal is obtained into assessment factor change rate signal by differential calculation；Gas concentration deviation signal is passed through Gas concentration change rate signal is obtained after crossing differential calculation；
Factor change rate signal will be assessed and gas concentration change rate signal inputs fuzzy controller, export opening for throttle valve Degree；
Wherein, the calculation formula of the assessment factor are as follows:
2. the method for gas purification according to claim 1 for degasser, which is characterized in that the assessment factor variation The fuzzy set of rate signal and gas concentration change rate signal is { NB, NM, NS, ZR, PS, PM, PB }, and PB indicates honest, and PM is indicated Center, PS indicate just small, and ZR indicates that zero, NS expression is born small, and during NM indicates negative, NB indicates negative big, their domain are as follows: -6, - 5, -4, -3, -2, -1,0,1,2,3,4,5,6 }.
3. the method for gas purification according to claim 1 for degasser, which is characterized in that the air inlet pipeline material For iron Buddhist dragon.
4. the method for gas purification according to claim 1 for degasser, which is characterized in that cloth inside the cleaner Full glass marble.
5. according to claim 1, being used for the method for gas purification of degasser described in any one of 3-4, which is characterized in that described Cleansing tablet is the filter for being covered with filter hole.
6. the method for gas purification according to claim 5 for degasser, which is characterized in that further include pipe close, lead to Quick connector setting is crossed described except water pot and/or the decontamination pot bottom.
7. the method for gas purification according to claim 6 for degasser, which is characterized in that the quick connector packet It includes:
Intubation, the pipe close are arranged in described intubation one end；
Elastic fastening head is set in the intubation.
CN201610957195.8A 2016-10-27 2016-10-27 A kind of gas cleaning plant and purification method for degasser Active CN106362540B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610957195.8A CN106362540B (en) 2016-10-27 2016-10-27 A kind of gas cleaning plant and purification method for degasser

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610957195.8A CN106362540B (en) 2016-10-27 2016-10-27 A kind of gas cleaning plant and purification method for degasser

Publications (2)

Publication Number Publication Date
CN106362540A CN106362540A (en) 2017-02-01
CN106362540B true CN106362540B (en) 2019-02-05

Family

ID=57893007

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610957195.8A Active CN106362540B (en) 2016-10-27 2016-10-27 A kind of gas cleaning plant and purification method for degasser

Country Status (1)

Country Link
CN (1) CN106362540B (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4784672A (en) * 1987-10-08 1988-11-15 Air Products And Chemicals, Inc. Regeneration of adsorbents
CN2092758U (en) * 1991-06-18 1992-01-08 中国石油化工总公司上海石油化工总厂 Pyrolysis equipment
US5614000A (en) * 1995-10-04 1997-03-25 Air Products And Chemicals, Inc. Purification of gases using solid adsorbents
CN203155036U (en) * 2013-04-16 2013-08-28 顾金富 Waste gas filter
CN204789492U (en) * 2015-07-20 2015-11-18 山东省农业科学院农业质量标准与检测技术研究所 Gas chromatography is with automatic gas generator that dehumidifies

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4784672A (en) * 1987-10-08 1988-11-15 Air Products And Chemicals, Inc. Regeneration of adsorbents
CN2092758U (en) * 1991-06-18 1992-01-08 中国石油化工总公司上海石油化工总厂 Pyrolysis equipment
US5614000A (en) * 1995-10-04 1997-03-25 Air Products And Chemicals, Inc. Purification of gases using solid adsorbents
CN203155036U (en) * 2013-04-16 2013-08-28 顾金富 Waste gas filter
CN204789492U (en) * 2015-07-20 2015-11-18 山东省农业科学院农业质量标准与检测技术研究所 Gas chromatography is with automatic gas generator that dehumidifies

Also Published As

Publication number Publication date
CN106362540A (en) 2017-02-01

Similar Documents

Publication Publication Date Title
CN206535402U (en) One kind spraying exhaust gas purifying treatment system
CN204447751U (en) A kind of labyrinth type biological purification plant
CN207413069U (en) A kind of spray atomizing dust-extraction unit suitable for graphitizing furnace exhaust gas
CN206252977U (en) Foamed cleaning dedusting cooling system
CN104548824A (en) Device and method for removing fine particles from gas
CN204723791U (en) Dry, wet waste gas purification double tower
CN106362540B (en) A kind of gas cleaning plant and purification method for degasser
CN204275745U (en) The multistage dehumidifying filter of integral type ammonia
CN105716157B (en) Environment-friendly multistage air purification equipment
CN205448095U (en) Large -scale indoor place air purification device
CN210645660U (en) Spray purification tower
CN208244357U (en) A kind of flue gas cleaning system
CN203540286U (en) Cleaning device for volatile gases
CN206637747U (en) Air purification processing equipment
CN205164420U (en) Aerosol remove device
CN204897835U (en) Concise device of useless plastics recycling
CN204395726U (en) Washing filtering air purifier
CN209333425U (en) A kind of asphalt water-proof coiled material production line air cleaning unit
CN104944659B (en) Processing system and processing method containing trichloro ethylene waste water
CN209791127U (en) Oil-gas separation device
CN101690865A (en) Moisture recycling supersonic speed gas-purification separation device
CN206315666U (en) A kind of environment protection desulphurization water purification net
CN205878356U (en) Domestic PM2. 5 removes dust except that haze humidification air purifier
CN211462666U (en) Gas-liquid separation device for chemical production
CN208599386U (en) A kind of dust-extraction unit for high calcium ash production

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant