CN104291272A - Oxygen-enriched fresh air oxygen generator - Google Patents

Oxygen-enriched fresh air oxygen generator Download PDF

Info

Publication number
CN104291272A
CN104291272A CN201410509988.4A CN201410509988A CN104291272A CN 104291272 A CN104291272 A CN 104291272A CN 201410509988 A CN201410509988 A CN 201410509988A CN 104291272 A CN104291272 A CN 104291272A
Authority
CN
China
Prior art keywords
air
oxygen
molecular sieve
sieve bed
module
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201410509988.4A
Other languages
Chinese (zh)
Inventor
赵波
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.)
SHANGHAI ZHUXING INDUSTRIAL Co Ltd
Original Assignee
SHANGHAI ZHUXING INDUSTRIAL 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 SHANGHAI ZHUXING INDUSTRIAL Co Ltd filed Critical SHANGHAI ZHUXING INDUSTRIAL Co Ltd
Priority to CN201410509988.4A priority Critical patent/CN104291272A/en
Publication of CN104291272A publication Critical patent/CN104291272A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/02Separation 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/22Separation 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 diffusion
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/22Separation 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 diffusion
    • B01D53/228Separation 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 diffusion characterised by specific membranes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/22Separation 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 diffusion
    • B01D53/229Integrated processes (Diffusion and at least one other process, e.g. adsorption, absorption)
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B13/00Oxygen; Ozone; Oxides or hydroxides in general
    • C01B13/02Preparation of oxygen
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00Ventilation
    • F24F7/007Ventilation with forced flow
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/22Separation 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 diffusion
    • B01D2053/221Devices
    • B01D2053/222Devices with plates
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2259/00Type of treatment
    • B01D2259/40Further details for adsorption processes and devices
    • B01D2259/40003Methods relating to valve switching
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2259/00Type of treatment
    • B01D2259/40Further details for adsorption processes and devices
    • B01D2259/40083Regeneration of adsorbents in processes other than pressure or temperature swing adsorption
    • B01D2259/40086Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by using a purge gas
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2259/00Type of treatment
    • B01D2259/40Further details for adsorption processes and devices
    • B01D2259/402Further details for adsorption processes and devices using two beds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2259/00Type of treatment
    • B01D2259/45Gas separation or purification devices adapted for specific applications
    • B01D2259/4508Gas separation or purification devices adapted for specific applications for cleaning air in buildings

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Oxygen, Ozone, And Oxides In General (AREA)

Abstract

The invention discloses an oxygen-enriched fresh air oxygen generator, which comprises an oxygen generation module, a fresh air module, a support and a shell, wherein the oxygen generation module and the fresh air module are both arranged inside the shell, the fresh air module is arranged above the oxygen generation module which consists of an air filter, an air inlet silencer, an exhaust silencer, an oxygen-enriched membrane assembly, an oil-free air compressor, an electromagnetic valve, a molecular sieve bed No.A, a molecular sieve bed No.B, a one-way valve and an oxygen storage tank, wherein the fresh air module consists of an air inlet channel, an air exhaust channel, an outdoor air inlet, an outdoor air outlet, an indoor air inlet, an indoor air outlet, a heat exchanger and a host. According to the oxygen-enriched fresh air oxygen generator, the problem that the traditional split oxygen generator cannot perform indoor-outdoor air exchange can be solved, the oxygen-enriched fresh air oxygen generator can perform indoor-outdoor air exchange while providing oxygen-enriched air for a closed space, therefore, the mode can faster and more efficiently improve the comfortableness of air quality in the closed space.

Description

The new wind oxygenerator of a kind of oxygen enrichment
Technical field
The present invention relates to a kind of oxygenerator, specifically the new wind oxygenerator of a kind of oxygen enrichment.
Background technology
The situation of world today's anoxic is more and more obvious, and because of economic globalization, modern industry develops rapidly, excessive and random lumbering, and forest destroys in a large number, and cause obnoxious flavour in air to increase fast, oxygen content obviously declines.This situation is at areal of industrial concentration, and densely populated areas, big city show particularly serious, and the people of causing a disease because of atmospheric pollution rises fast.
Tradition split type oxygen generator improves the comfortableness of the Air quality of enclosed space by the oxygen concn improving enclosed space for oxygen rich gas to enclosed space, but this system can not carry out the air inerchange of indoor and outdoor.
Summary of the invention
The object of the present invention is to provide a kind of new wind oxygenerator of oxygen enrichment to indoor and outdoor air inerchange can be carried out while enclosed space confession oxygen rich gas, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the invention provides following technical scheme:
The new wind oxygenerator of a kind of oxygen enrichment, comprise oxygen module, new wind module, bearing and shell, described oxygen module and new wind module are installed in the inside of shell, and new wind module is arranged on the top of oxygen module, and described shell is placed on the ground by bearing;
Described oxygen module comprises air filter, admission air silencer, exhaust snubber, oxygen-enriched membrane component, oilless air compressor, magnetic valve, A molecular sieve bed, B molecular sieve bed, check valve and oxygen container, the input terminus of described air filter is provided with airstrainer, the output terminal of air filter is connected oilless air compressor by admission air silencer with oxygen-enriched membrane component successively, the output terminal of oilless air compressor is connected to safety valve and scatterer, the P port of scatterer output terminal connected electromagnetic valve, the A port of magnetic valve connects A molecular sieve bed, the B port of magnetic valve connects A molecular sieve bed and B molecular sieve bed respectively, the S port of magnetic valve connects exhaust snubber, the output terminal of A molecular sieve bed is connected by resolving aperture with the output terminal of B molecular sieve bed, the output terminal of A molecular sieve bed is all connected oxygen container by check valve with the output terminal of B molecular sieve bed, described oxygen container is connected humidifying pot by relief valve with oxygen flow meter successively,
Described new wind module comprises air intake passage, air exhaust passage, outdoor blast inlet, outdoor exhaust outlet, indoor air outlet, indoor return air mouth, heat exchanger and main frame, described air intake passage and air exhaust passage are all located in shell, described air intake passage one end junction chamber external air inlet mouth, air outlet in air intake passage the other end junction chamber, return air inlet in the junction chamber of described air exhaust passage one end, the outer exhaust outlet of air exhaust passage the other end junction chamber, described air intake passage is provided with filter screen, and described air intake passage and air exhaust passage are all successively by heat exchanger and main frame.
As the further scheme of the present invention: described oxygen-enriched membrane component is flat oxygen-enriched membrane component.
As the present invention's further scheme: described heat exchanger is arranged on the right side of indoor return air mouth.
Compared with prior art, the invention has the beneficial effects as follows:
The invention solves the problem that traditional split type oxygen generator cannot carry out the air inerchange of indoor and outdoor, while providing oxygen rich gas to enclosed space, can carry out the exchange of indoor and outdoor air, such mode sooner, more efficiently can improve the comfortableness of the Air quality of enclosed space.
Accompanying drawing explanation
Fig. 1 is structural scheme of mechanism of the present invention.
Fig. 2 is the structural representation of oxygen mechanism in the present invention.
Fig. 3 is the structural representation of new wind mechanism in the present invention.
In figure: 1-oxygen module; The new wind module of 2-; 3-bearing; 4-shell; 101-inlet air filtration net; 102-air intake filter; 103-admission air silencer; 104-oxygen-enriched membrane component; 105-oilless air compressor; 106-safety valve; 107-scatterer; 108-exhaust snubber; 109-magnetic valve; 110-A molecular sieve bed; 111-B molecular sieve bed; 112-resolving aperture; 113-check valve; 114-oxygen container; 115-relief valve; 116-oxygen flow meter; 117-humidifying pot; 201-air intake passage; 202-air exhaust passage; The outdoor blast inlet of 203-; The outdoor exhaust outlet of 204-; The indoor air outlet of 205-; 206-indoor return air mouth; 207-heat exchanger; 208-main frame.
Embodiment
Be described in more detail below in conjunction with the technical scheme of embodiment to this patent.
Refer to Fig. 1-2, the new wind oxygenerator of a kind of oxygen enrichment, comprise oxygen module 1, new wind module 2, bearing 3 and shell 4, described oxygen module 1 and new wind module 2 are installed in the inside of shell 4, new wind module 2 is arranged on the top of oxygen module 1, and described shell 4 is placed on the ground by bearing 3;
Described oxygen module 1 comprises air filter 102, admission air silencer 103, exhaust snubber 108, oxygen-enriched membrane component 104, oilless air compressor 105, magnetic valve 109, A molecular sieve bed 110, B molecular sieve bed 111, check valve 113 and oxygen container 114, the input terminus of described air filter 102 is provided with airstrainer 101, air filter 102 filters out moisture in air and impurity, the output terminal of air filter 102 is connected oilless air compressor 105 by admission air silencer 103 with oxygen-enriched membrane component 104 successively, the aerodynamic noise produced when air enters oilless air compressor 105 eliminated by admission air silencer 103, described oxygen-enriched membrane component 104 is flat oxygen-enriched membrane components, flat oxygen-enriched membrane component long service life, safety performance is high, effective usable floor area of oxygen permeable membrane is large, production cost is low, air after oilless air compressor 105 pairs of noise reductions compresses, the output terminal of oilless air compressor 105 is connected to safety valve 106 and scatterer 107, the P port of scatterer 107 output terminal connected electromagnetic valve 109, the A port of magnetic valve 109 connects A molecular sieve bed 110, the B port of magnetic valve 109 connects A molecular sieve bed 110 and B molecular sieve bed 111, the S port of magnetic valve 109 connects exhaust snubber 108, aerodynamic noise when pressurized air exports from magnetic valve 109 eliminated by exhaust snubber 108, the output terminal of A molecular sieve bed 110 is connected by resolving aperture 112 with the output terminal of B molecular sieve bed 111, the output terminal of A molecular sieve bed 110 is all connected oxygen container 114 by check valve 113 with the output terminal of B molecular sieve bed 111, gas-holder 14 stores high-purity oxygen, described oxygen container 114 is connected humidifying pot 117 by relief valve 115 with oxygen flow meter 116 successively, described relief valve 115 regulates oxygen by pressure when discharging in oxygen hose 114, described oxygen flow meter 116 controls the output flow of high-purity oxygen, described humidifying pot 117 is for humidification high-purity oxygen.
When magnetic valve 109 obtains electric, pressurized air passes through A port flow to A molecular sieve bed 110 by the P port of magnetic valve 109, nitrogen in air with pressure is adsorbed by A molecular sieve bed 110, oxygen then enters oxygen container 114, then modulate required pressure through relief valve 115 and carry out voltage stabilizing output, output flow is controlled by oxygen flow meter 116, another road enters B molecular sieve bed 111 through separating sucker 112, carry out flushing desorb to B molecular sieve bed 111, the gas after desorb drains into air by the B port of magnetic valve 109 and exhaust snubber 108 successively; When magnetic valve dead electricity, pressurized air then passes through B port flow to B molecular sieve bed 111 by the P port of magnetic valve 109, nitrogen in air with pressure is adsorbed by B molecular sieve bed 111, oxygen enters oxygen container 114, then modulate required pressure through relief valve 115 and carry out voltage stabilizing output, output flow is controlled by oxygen flow meter 116, another road enters A molecular sieve bed 110 through separating sucker, carry out flushing desorb to A molecular sieve bed 110, the mixed gas after desorb drains into air by the B port of magnetic valve 109 and exhaust snubber 108 successively.
Described new wind module 2 comprises air intake passage 201, air exhaust passage 202, outdoor blast inlet 203, outdoor exhaust outlet 204, indoor air outlet 205, indoor return air mouth 206, heat exchanger 207 and main frame 208, described air intake passage 201 and air exhaust passage 202 are all located in shell 4, described air intake passage 201 one end junction chamber external air inlet mouth 203, air outlet 205 in air intake passage 201 the other end junction chamber, return air inlet 206 in the junction chamber of described air exhaust passage 202 one end, the outer exhaust outlet 204 of air exhaust passage 202 the other end junction chamber, described air intake passage 201 is provided with filter screen, filter screen can remove impurity in air and particle, described air intake passage 201 and air exhaust passage 202 are all successively by heat exchanger 207 and main frame 208, described heat exchanger 207 is arranged on the right side of indoor return air mouth 206.
The invention solves the problem that traditional split type oxygen generator cannot carry out the air inerchange of indoor and outdoor, while providing oxygen rich gas to enclosed space, can carry out the exchange of indoor and outdoor air, such mode sooner, more efficiently can improve the comfortableness of the Air quality of enclosed space.
Above the better embodiment of this patent is explained in detail, but this patent is not limited to above-mentioned embodiment, in the ken that one skilled in the relevant art possesses, various change can also be made under the prerequisite not departing from this patent aim.

Claims (3)

1. the new wind oxygenerator of oxygen enrichment, comprise oxygen module (1), new wind module (2), bearing (3) and shell (4), it is characterized in that, described oxygen module (1) and new wind module (2) are installed in the inside of shell (4), new wind module (2) is arranged on the top of oxygen module (1), and described shell (4) is placed on the ground by bearing (3);
Described oxygen module (1) comprises air filter (102), admission air silencer (103), exhaust snubber (108), oxygen-enriched membrane component (104), oilless air compressor (105), magnetic valve (109), A molecular sieve bed (110), B molecular sieve bed (111), check valve (113) and oxygen container (114), the input terminus of described air filter (102) is provided with airstrainer (101), the output terminal of air filter (102) is connected oilless air compressor (105) by admission air silencer (103) with oxygen-enriched membrane component (104) successively, the output terminal of oilless air compressor (105) is connected to safety valve (106) and scatterer (107), the P port of scatterer (107) output terminal connected electromagnetic valve (109), the A port of magnetic valve (109) connects A molecular sieve bed (110), the B port of magnetic valve (109) connects A molecular sieve bed (110) and B molecular sieve bed (111) respectively, the S port of magnetic valve (109) connects exhaust snubber (108), the output terminal of A molecular sieve bed (110) is connected by resolving aperture (112) with the output terminal of B molecular sieve bed (111), the output terminal of A molecular sieve bed (110) is all connected oxygen container (114) by check valve (113) with the output terminal of B molecular sieve bed (111), described oxygen container (114) is connected humidifying pot (117) by relief valve (115) with oxygen flow meter (116) successively,
Described new wind module (2) comprises air intake passage (201), air exhaust passage (202), outdoor blast inlet (203), outdoor exhaust outlet (204), indoor air outlet (205), indoor return air mouth (206), heat exchanger (207) and main frame (208), described air intake passage (201) and air exhaust passage (202) are all located in shell (4), described air intake passage (201) one end junction chamber external air inlet mouth (203), air outlet (205) in air intake passage (201) the other end junction chamber, return air inlet (206) in the junction chamber of described air exhaust passage (202) one end, the outer exhaust outlet (204) of air exhaust passage (202) the other end junction chamber, described air intake passage (201) is provided with filter screen, described air intake passage (201) and air exhaust passage (202) are all successively by heat exchanger (207) and main frame (208).
2. the new wind oxygenerator of oxygen enrichment according to claim 1, is characterized in that, as the further scheme of the present invention: described oxygen-enriched membrane component (104) is flat oxygen-enriched membrane component.
3. the new wind oxygenerator of oxygen enrichment according to claim 1, is characterized in that, described heat exchanger (207) is arranged on the right side of indoor return air mouth (206).
CN201410509988.4A 2014-09-29 2014-09-29 Oxygen-enriched fresh air oxygen generator Pending CN104291272A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410509988.4A CN104291272A (en) 2014-09-29 2014-09-29 Oxygen-enriched fresh air oxygen generator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410509988.4A CN104291272A (en) 2014-09-29 2014-09-29 Oxygen-enriched fresh air oxygen generator

Publications (1)

Publication Number Publication Date
CN104291272A true CN104291272A (en) 2015-01-21

Family

ID=52311266

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410509988.4A Pending CN104291272A (en) 2014-09-29 2014-09-29 Oxygen-enriched fresh air oxygen generator

Country Status (1)

Country Link
CN (1) CN104291272A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105107071A (en) * 2015-09-09 2015-12-02 胡海波 Portable digital intelligent oxygen inhalation machine and control method
CN105888306A (en) * 2016-05-17 2016-08-24 刘玉航 Oxygen-rich studying cabin
CN106829870A (en) * 2017-02-27 2017-06-13 北京青春脉源科技有限公司 A kind of Portable far-infrared oxygen-enriched membrane oxygen-producing machine
CN109140607A (en) * 2018-07-13 2019-01-04 成都绿建工程技术有限公司 It is wet more than a kind of overbottom pressure to utilize energy-saving central air conditioner oxygen system
CN110078027A (en) * 2019-05-27 2019-08-02 四川省金鼎屹诚室内空气净化发展有限责任公司 A kind of any self elevation adaption high-efficiency oxygen generator and method

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102923667A (en) * 2012-11-08 2013-02-13 上海康盟保健用品有限公司 Air purifying and fresh air oxygen supplying oxygenerator
CN203323258U (en) * 2013-07-10 2013-12-04 邵宏 Fresh air machine for domestic use
CN203518037U (en) * 2013-09-04 2014-04-02 广州芬尼克兹环保科技有限公司 Intelligent fresh air purifying system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102923667A (en) * 2012-11-08 2013-02-13 上海康盟保健用品有限公司 Air purifying and fresh air oxygen supplying oxygenerator
CN203323258U (en) * 2013-07-10 2013-12-04 邵宏 Fresh air machine for domestic use
CN203518037U (en) * 2013-09-04 2014-04-02 广州芬尼克兹环保科技有限公司 Intelligent fresh air purifying system

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105107071A (en) * 2015-09-09 2015-12-02 胡海波 Portable digital intelligent oxygen inhalation machine and control method
CN105888306A (en) * 2016-05-17 2016-08-24 刘玉航 Oxygen-rich studying cabin
CN106829870A (en) * 2017-02-27 2017-06-13 北京青春脉源科技有限公司 A kind of Portable far-infrared oxygen-enriched membrane oxygen-producing machine
CN109140607A (en) * 2018-07-13 2019-01-04 成都绿建工程技术有限公司 It is wet more than a kind of overbottom pressure to utilize energy-saving central air conditioner oxygen system
CN109140607B (en) * 2018-07-13 2020-09-08 成都绿建工程技术有限公司 Residual pressure and residual humidity utilization energy-saving central air-conditioning oxygen supply system
CN110078027A (en) * 2019-05-27 2019-08-02 四川省金鼎屹诚室内空气净化发展有限责任公司 A kind of any self elevation adaption high-efficiency oxygen generator and method

Similar Documents

Publication Publication Date Title
CN104291272A (en) Oxygen-enriched fresh air oxygen generator
CN102923667A (en) Air purifying and fresh air oxygen supplying oxygenerator
CN205392472U (en) Low -cost negative pressure control structure
CN104406245A (en) Device for improving indoor environments
CN202740930U (en) Humidifying type air purifier
CN103933828A (en) Multi-stage adsorption type oil gas recycling system and recycling process thereof
CN203235399U (en) Small-volume high-concentration waste gas treatment device
CN203668000U (en) Oxygen enrichment preparation device adopting low-pressure membrane method
CN101644214A (en) Multistage combined intake preprocessing system of internal combustion engine
CN102808056A (en) Oxygen-enriched dry gas supply process for blast furnace iron-making
CN205191734U (en) Air purification device of central authorities
CN104329735A (en) Humidification type air purifier
CN204522671U (en) Multistage handing-over absorption method oil-gas recovery processing device
CN204786856U (en) Air purifier
CN203980453U (en) Indoor circulation oxygen enriched fresh air machine
CN203190539U (en) Multifunctional membrane process total heat recovery heat pump dehumidifier
CN206669962U (en) Cabinet type purifies complete-hot fresh air machine
CN106989472B (en) Central ventilation system
CN205933223U (en) Low energy consumption multitower VPSA system oxygen system
CN209093030U (en) A kind of modularization adsorbent equipment
CN202968101U (en) Oxygen generation system
CN202072468U (en) Split dispersion type Oxygenerator
CN106241744B (en) A kind of low energy consumption multitower VPSA oxygen techniques
CN101891154A (en) Indoor oxygen regulating equipment
CN206113143U (en) Oxygen boosting type air purifier

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20150121

RJ01 Rejection of invention patent application after publication