CN2843470Y

CN2843470Y - Indoor air purifier

Info

Publication number: CN2843470Y
Application number: CN 200520114421
Authority: CN
Inventors: 徐海云; 郭绪涛; 原霞; 韦桂欢; 杨庆平; 吴小锋
Original assignee: 718th Research Institute of CSIC
Current assignee: Handan Peric Electric Appliance Co., Ltd.
Priority date: 2005-07-27
Filing date: 2005-07-27
Publication date: 2006-12-06
Anticipated expiration: 2015-07-27

Abstract

The utility model relates to an indoor air purifier which is suitable to the air purification in the meeting room, in the office or in the living room. It adopts a tightly sealed laminated structure. The following parts are equipped from an air inlet to an air outlet in turn: an air inlet, a prefiltration cloth, a low temperature plasma catalyst case which is provided with filament plate type structure, a photocatalysis plate which uses a metallic net, a honeycombed plate, foamed nickel and an activated carbon plate, etc. as a carrier on which a TiO 2 photocatalyst is loaded, an activated carbon filter element which adopts activated carbon or activated carbon fiber treated by KMnO4, MnSO4, etc. as an active solid with mixing a CO atmospheric temperature accelerant, a high efficiency filter provided with a collapsible non-diaphragm structure which uses glass cloth or polypropylene nonwoven as a filtering medium and a centrifugal fan on which an air outlet is equipped. The indoor air purifier can not generate other harmful substances when it is used for eliminating the indoor suspended solid granules, pathogenic bacteria and harmful gas. The indoor air purifier can purify many kinds of contaminants and the cleaning efficiency is high with few accessory substances.

Description

Indoor air cleaner

(1), technical field

This utility model relates to a kind of indoor air cleaner, is particularly suitable for the air cleaning in meeting room, office, room.

(2), background technology

Along with the fine fitment of modern house and being extensive use of of air-conditioning, all contaminations threatens the healthy of people day by day, and as formaldehyde, benzene series thing, lead, pathogenic bacterium etc., but the life and work space is more and more airtight, the amount of changing fresh air is fewer and feweri, therefore need purify room air.

Existing indoor air purification technology has Filtration, anion method, ozone method, electrostatic method, active carbon adsorption, plasma method etc., and various technology respectively have pluses and minuses.It is the device of a kind of ventilation and heating combination that a lot of patents about indoor air cleaner: CN1534247A is arranged at present, has wasted a large amount of energy; CN1142980A filtering particle, the time that absorbs sour gas is also very short; Among the CN88210853U, the time ratio of absorbent filter medium periodic replacement is shorter; Filter efficiency is very low among the CN2069940U, also greatly reduces the air quantity of fan; CN2143305Y relies on the free convection diffusion to purify, and purification speed is very slow; CN2332490Y is a kind of high-pressure electrostatic water film dust removal device, can only dedusting, and recirculated water needs frequent the replacing; CN2515579Y is a kind of photocatalytic type air purification device, and ultraviolet light can only activate the catalyst on top layer, so purification efficiency is not ideal; CN2568999Y is a kind of plasma-type air purifier, possesses high voltage electrostatic dust precipitator simultaneously, and its advantage is a decomposing organic matter fully, but produces a spot of O ₃

(3), summary of the invention

In order to overcome the shortcoming of prior art, this utility model provides a kind of air purifier, and it produces other harmful substance at the Shi Buhui that removes indoor suspended solids, pathogenic bacteria, harmful gas.The kind of purifying contaminated thing is many, the purification efficiency height, and by-product is few.

The technical scheme in the invention for solving the technical problem is: it adopts the layer structure of sealing, from air inlet to air outlet is successively:

Air inlet, air inlet adopts cell structure;

Cheese cloth is removed big solid suspension such as dust, hair;

The reaction of low temperature plasma device is the line plank frame, and its anode is copper cash or stainless steel wire, and ground connection is copper coin or corrosion resistant plate very, and power supply adopts burst pulse;

The photocatalysis plate is a carrier with materials such as wire netting, cellular board, nickel foam, active carbon slabs, load TiO on the carrier ₂Photocatalyst can resolve into CO with most of organic gas with the combination of reaction of low temperature plasma device ₂, O ₂, H ₂Nontoxic or low toxicity micromolecule such as O;

Active carbon filter core adopts KMnO ₄, MnSO ₄Active carbon or NACF etc. agent treated are adsorbent, mixed C O constant temperature catalyzing agent simultaneously, a small amount of O that low temperature plasma can be produced ₃Decompose with harmful substance such as CO, absorption;

High efficiency particulate air filter is a filter medium with glass cloth or polypropylene non-woven fabric, and high efficiency particulate air filter adopts collapsible no diaphragm structure, powder and other airborne solid suspension that it can filter activity charcoal filter element comes off;

Centrifugal blower; Air outlet is arranged on the centrifugal blower.

The utlity model has following characteristics:

(1) adopt the multistage purification technology, the major pollutants that can purify the air of a room, and purification efficiency improves greatly.

(2) the required uviol lamp of photocatalysis has also been saved in the combination of low temperature plasma purification techniques and photocatalysis technology simultaneously.

(3) combining of Immesion active carbon and low-temperature plasma purification techniques not only improved the scope and the efficient of plasma for purification, effectively decomposed the low concentration O that the plasma for purification parts produce simultaneously ₃And CO.

(4), description of drawings

Below in conjunction with drawings and Examples this utility model is further specified.

Accompanying drawing is that this utility model launches sketch map.

(5), the specific embodiment

It adopts the layer structure of sealing, from air inlet to air outlet is successively:

Air inlet 1, air inlet 1 adopts cell structure, and fixedly cheese cloth 2, and air-inlet grille adopts the ABS material;

Cheese cloth 2 is used for removing big solid suspension such as dust, hair;

Reaction of low temperature plasma device 3, reaction of low temperature plasma device 3 is designed to the line plank frame, anode 9 is copper cash or the stainless steel wire of diameter 0.2mm-4.0mm, earthing pole 10 is copper coin or the corrosion resistant plate of width 2mm-100mm, thick 0.5mm-10mm, power supply adopts the burst pulse of 20Hz-300Hz, 5kV-30kV, adjacent polar spacing is 2mm-50mm, be preferably 20mm, copper wire diameter is preferably the stainless steel wire of 0.5mm, earthing pole is preferably the corrosion resistant plate of width 20mm, thick 3mm, and power supply preferably adopts the burst pulse of 50Hz, 20kV;

Photocatalysis plate 4 is a carrier with materials such as wire netting, cellular board, nickel foam, active carbon slabs, load TiO on the carrier ₂Photocatalyst can resolve into CO with most of organic gas with the combination of reaction of low temperature plasma device ₂, O ₂, H ₂Nontoxic or low toxicity micromolecule such as O, photocatalysis plate 4 carriers are preferably nickel foam, and the nickel foam porosity is 0.5-0.97, is preferably 0.90, and nickel foam thickness is 0.5mm-10mm, is preferably 2mm;

Active carbon filter core 5 adopts KMnO ₄, MnSO ₄Active carbon or NACF etc. agent treated are adsorbent, mixed C O constant temperature catalyzing agent simultaneously, a small amount of O that low temperature plasma can be produced ₃Decompose with harmful substance such as CO, absorption, the thickness of active carbon filter core 5 is 10mm-100mm, is preferably 30mm, two kinds of catalyst ratios are 10: 1-1: 2, be preferably 4: 1;

High efficiency particulate air filter 6, with glass cloth or polypropylene non-woven fabric is filter medium, high efficiency particulate air filter 6 adopts collapsible no diaphragm structure, powder and other airborne solid suspension that it can filter activity charcoal filter element comes off, high efficiency particulate air filter 6 adopts collapsible no diaphragm structure, and the spacing between the foldable layer is 1mm-20mm, is preferably 3mm, thickness is 10mm-100mm, is preferably 30mm;

Centrifugal blower 7; Air outlet 8 is arranged on the centrifugal blower 7.

The succession of described air inlet 1, cheese cloth 2, reaction of low temperature plasma device 3, photocatalysis plate 4, active carbon filter core 5, high efficiency particulate air filter 6, centrifugal blower 7, air outlet 8 and the quantity of each assembly can change.

Embodiment 1:

From air inlet 1 is cheese cloth 2, reaction of low temperature plasma device 3, active carbon filter core 5, high efficiency particulate air filter 6, centrifugal blower 7, air outlet 8 successively.Wherein reaction of low temperature plasma device 3 adopts the line plank frame, and anode 9 is the copper cash of diameter 1.0mm, and earthing pole 10 is the copper coin that 1.0mm is thick, 50mm is wide, and the spacing between the adjacent negative electrode is 10mm, and power supply is 14kV, 70Hz burst pulse power supply.Active carbon filter core 5 adsorbents adopt MnSO ₄The NACF of dipping, thickness is 50mm.High efficiency particulate air filter 6 is a filter medium with the glass cloth, adopts collapsible no diaphragm structure, and the spacing between the foldable layer is 5mm, and thickness is 70mm.

Embodiment 2:

From air inlet 1 is cheese cloth 2, photocatalysis plate 4, reaction of low temperature plasma device 3, photocatalysis plate 4, active carbon filter core 5, high efficiency particulate air filter 6, centrifugal blower 70, air outlet 8 successively.Wherein photocatalysis plate 4 adopts foamed nickel supported photocatalyst, and the nickel foam porosity is 0.90, and thickness is 2.5mm.Reaction of low temperature plasma device 3 adopts the line plank frame, and anode 9 is the stainless steel wire of diameter 0.5mm, and earthing pole 10 is the corrosion resistant plate that 1.0mm is thick, 20mm is wide, and the spacing between the adjacent negative electrode is 20mm, and power supply is 17kV, 50Hz burst pulse power supply.Active carbon filter core 5 adopts KMnO ₄The active carbon of dipping and the mixed adsorbent of CO constant temperature catalyzing agent, thickness is 30mm, both ratios are 3: 1.High efficiency particulate air filter 6 is a filter medium with the glass cloth, adopts collapsible no diaphragm structure, and the spacing between the foldable layer is 3mm, and thickness is 35mm.

Claims

1, a kind of indoor air cleaner is characterized in that: it adopts the layer structure of sealing, from air inlet (1) to air outlet (8) is successively:

Air inlet (1), air inlet (1) adopts cell structure;

Cheese cloth (2);

Reaction of low temperature plasma device (3) is the line plank frame, and its anode (9) is copper cash or stainless steel wire, and earthing pole (10) is copper coin or corrosion resistant plate, and power supply adopts burst pulse;

Photocatalysis plate (4) is a carrier with wire netting, cellular board, nickel foam or active carbon slab, load TiO on the carrier ₂Photocatalyst;

Active carbon filter core (5) adopts KMnO ₄, MnSO ₄The active carbon of agent treated or NACF are adsorbent, simultaneously the agent of mixed C O constant temperature catalyzing;

High efficiency particulate air filter (6) is a filter medium with glass cloth or polypropylene non-woven fabric, and high efficiency particulate air filter (6) adopts collapsible no diaphragm structure;

Centrifugal blower (7); Air outlet (8) is arranged on the centrifugal blower (7).

2, indoor air cleaner according to claim 1, it is characterized in that: the diameter of described anode (9) is 0.2mm-4.0mm, the width of earthing pole (10) is 2mm-100mm, the thick 0.5mm-10mm of being, power supply is 20Hz-300Hz, 5kV-30Kv burst pulse, adjacent polar spacing is 2mm-50mm, copper wire diameter is preferably the stainless steel wire of 0.5mm, and earthing pole is preferably the corrosion resistant plate of width 20mm, thick 3mm.

3, indoor air cleaner according to claim 2 is characterized in that: described power supply is the burst pulse of 50Hz, 20kV, and adjacent polar spacing is 20mm.

4, indoor air cleaner according to claim 1 is characterized in that: described photocatalysis plate (4) carrier is a nickel foam, and the nickel foam porosity is 0.5-0.97, and nickel foam thickness is 0.5mm-10mm.

5, indoor air cleaner according to claim 4 is characterized in that: described nickel foam porosity is 0.90, and nickel foam thickness is 2mm.

6, indoor air cleaner according to claim 1 is characterized in that: the thickness of described active carbon filter core (5) is 10mm-100mm, and two kinds of catalyst ratios are 10: 1-1: 2.

7, indoor air cleaner according to claim 6 is characterized in that: the thickness of described active carbon filter core (5) is 30mm, and two kinds of catalyst ratios are 4: 1.

8, indoor air cleaner according to claim 1 is characterized in that: the spacing between high efficiency particulate air filter (6) foldable layer is 1mm-20mm, and thickness is 10mm-100mm.

9, indoor air cleaner according to claim 7 is characterized in that: the spacing between high efficiency particulate air filter (6) foldable layer is 3mm, and thickness is 30mm.