CN1150042C - Toxic matter filtering ventilator - Google Patents
Toxic matter filtering ventilator Download PDFInfo
- Publication number
- CN1150042C CN1150042C CNB001062298A CN00106229A CN1150042C CN 1150042 C CN1150042 C CN 1150042C CN B001062298 A CNB001062298 A CN B001062298A CN 00106229 A CN00106229 A CN 00106229A CN 1150042 C CN1150042 C CN 1150042C
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- filter
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- stage filter
- ventilator
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- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The present invention belongs to a purification ventilator, namely a toxin filtering ventilator. The present invention is characterized in that a blower, a first-stage filter, a second-stage filter, a third-stage filter and a four-stage are all installed in a cylindrical tank body to form an integrated structure, which is convenient for installation and use. A cylindrical filter unit composed of the second-stage filter, the third-stage filter and the four-stage filter is axially installed on a connecting board by a flange and a sealing ring. The present invention has the advantages of small volume, large air quantity and simple and rapid replacement. The outlet air quantity of the ventilator is 300m<3>/h, the outlet total pressure is 310Pa, and the toxin filtering time is longer than 30 minutes. Normally, the purification ventilator provided with the two-stage filter can supply clean air with the quantity of 100m<3>/h and the pressure of 100Pa. The toxin filtering ventilator is used for anti-toxic work, vehicles, square cabins, nuclear power stations, etc. The present invention which can filter out radioactive dust, toxic chemical agents and biological warfare agents is a critical device for a nuclear chemistry collective protection system.
Description
The invention belongs to a kind of purification ventilation equipment.
Air purification equipment is a kind of purification ventilation equipment that are used for the cingens confined space of contaminated air, be installed on gas defence fortification, vehicle, shelter, nuclear power station etc., the noxious materials such as radioactive ash, gas and biological warfare agent that are used for the filtering contaminated air, guarantee personnel to be covered breathe needed clean air, and can make and wait to cover the space and form superpressure, stop entering of extraneous contaminated air, it is the key equipment in the coring Collective Protective System.
That German patent DE 3545664 discloses is a kind of " ventilation equipment of the confined space that is surrounded by toxic gas ", and it has the tertiary filter with the blower fan arranged in series, and blower fan is between the first order and the second level.First order filter is used for the airborne solid particle of filtering, and the second level is used for the filtering aerosol, and the third level is used to purify harmful substance.Second and third level filter between the siphunculus that is close to by valve control is housed so that it is logical that gas is close to.These ventilation equipment can use in toxic gas.Its major defect is that equipment is huge, and complex structure is manipulated inconvenience, is not easy to integral installation and renew cartridge more, and second and third level filter between connect a cover numerous and diverse be close to siphunculus road and by-pass valve control.Reaching the outlet air quantity is 300m
3/ h, outlet pressure 300Pa, protection time was greater than 30 minutes designing requirement, and the volume of equipment will be very huge, and the utmost point is unsuitable for installing and using wartime.
The objective of the invention is to design a kind of compact conformation, volume is little, installs, convenient maintenance, can satisfy the gas filtration ventilation of wartime requirement and the frequent purification ventilation unit of supplying clean air at ordinary times.
The present invention is achieved in that a kind of air purification equipment, and it comprises Gas Filtrate and Draft System and the air cleaning ventilating system that works alone separately.Gas Filtrate and Draft System comprises blower fan and one, two, three, four filter, cylinder and upper and lower cover.Grade one filter is the micronic filter of flat, is installed in the lower cover air inlet pipe, and secondary filter is an aerosol fillter, and tertiary filter is a pneumatic filter, and the level Four filter is a poison gas filter.Two, three, the level Four filter constitutes a columnar filter element, axially be connected on the connecting plate of cylinder with flange and sealing ring.Conical kuppe is set between connecting plate and blower fan, a blast pipe is arranged on the cylinder.The air cleaning ventilating system is formed and is placed within cylinder and the loam cake by blower fan, two middle filters.Two systems are separated by dividing plate, and are independent mutually, are installed on again in the same cylinder.
Remarkable advantage of the present invention and effect are that compact conformation, volume are little, the combination of drawing.Blower fan and all filters etc. all be installed on simplified in, form integral structure, be convenient to that install and use wartime and often use at ordinary times.This device can obtain bigger ventilation under the little situation of volume, and more renew cartridge (being filter element) is easy fast.The outlet air quantity of this device gas filtration ventilation is 300m
3/ h, outlet pressure are 310Pa, and the filter poison time was greater than 30 minutes.And the outlet air quantity that air cleaning is ventilated is 100m
3/ h, outlet pressure are 100Pa.
Now in conjunction with the accompanying drawings and embodiments the present invention is done further specific descriptions:
Figure one is the structural representation of air purification equipment.
Shown in figure one, A is a Gas Filtrate and Draft System, and B is the air cleaning ventilating system.A kind of air purification equipment, it comprises the tank body that cylinder 5, lower cover 2, loam cake 17 are formed.Lower cover 2 is connected with air inlet pipe 2, and cylinder 5 sides are connected with blast pipe 21 and blast pipe I20, and loam cake 17 is connected with air inlet pipe I19, has leg 22 a pair of outside the cylinder 5, uses as fixed installation.Conical kuppe 6 is set in the cylinder 5, grade one filter 1 is installed in the air inlet pipe 2, between grade one filter 1 and taper kuppe 6, blower fan 4 is housed, the filter element of forming by orifice plate 10, secondary filter 11, tertiary filter 12, level Four filter 13, be cylindrical shape, by circular seal ring 8,9 sealings, be installed on the connecting plate 7 with flange; With the B system that dividing plate 14 separates, blower fan 16, middle filter II15 and middle filter I18 and air inlet pipe I19 are installed.
In the present embodiment, grade one filter 1, i.e. micronic filter, its filter core is a two-layer nonwoven, can remove the micronic dust more than 10 microns, filter efficiency reaches 98%; Secondary filter 11, i.e. aerosol fillter, its filter core becomes the plaited skirt shape by 95 folded filter papers, can filter aerosol, and efficient reaches 99.999%; Tertiary filter 12 is a pneumatic filter, and its filter core is made by the fabric of spraying activated carbon, to pernicious gas, and as CO, CO
2, SO
2Deng special filtration result is all arranged.The level Four filter, i.e. poison gas filter, filter core is made up of activated carbon KZ09 filler, thickness 70mm, effectively chemical warfare agent such as filtering cyanogen chloride.Blower fan 4 adopts the HDF-2.1A6 multiple wing type centrifugal blower fan, is drilled with the through hole of Φ 10 on the orifice plate 10, and its percent opening is 48%.Cylindrical shell 5, lower cover 3, loam cake 17 all adopt the Q235A steel plate to make.And the filtering material of the middle filter I18 of B system, middle filter II15 is a nonwoven, and blower fan adopts HDF-1.0A type multiple wing type centrifugal blower fan.
When this device moved under the air-polluting environment in wartime, contaminated air uses blower fan 4 by air inlet pipe 2 suction, after at first filtering through grade one filter, enter orifice plate 10 inner chambers through taper kuppe 6, the air of band pressure carries out current stabilization at inner chamber, and air enters secondary, three grades, level Four filter through the aperture of orifice plate 10 behind current stabilization, in after filtering the clean air remittance cylinder 5 and the annular chamber between the filter element cylindrical, and, use for personnel by blast pipe 21 discharges.Sealing ring 8, sealing ring 9 are that the sealing contaminated air makes it can not enter in the zone of clean air.
The B system of this device is the air cleaning system of using at ordinary times.Air by air inlet pipe I19 with blower fan 16 suction, through in filter I18 and in after filter II15 filters, by blast pipe I20 discharge clean air, use for personnel.
When this device does not use, all adopt the seal cover sealing, make system be in closed state.
This device appearance and size is Φ 406 * 1350mm, the about 110kg of gross weight.After tested, the ventilation of A system is 300m
3/ h, outlet total head 310Pa, cyanogen chloride concentration be in the contaminated environment of 1mg/L protection time greater than 30 minutes; And the air output of B system is 100m
3/ h, air-supply total head 100Pa.
Claims (2)
1. air purification equipment, be used for the ventilation of gas defence fortification, shelter, constitute by grade one filter, secondary filter, tertiary filter, level Four filter, it is characterized in that: said grade one filter, it is micronic filter, be flat, be installed in the lower cover air inlet pipe, its filter core is a two-layer nonwoven; Secondary filter (11) is an aerosol fillter, and its filter core is nine. five folded filter papers become the plaited skirt shape; Tertiary filter (12) is a pneumatic filter, and its filter core is made by the fabric of spraying active carbon; Level Four filter (13) is a poison gas filter, filter core is made up of the active carbon KZ09 filler with high absorption property, secondary, three grades, the level Four filter is all cylindrical to be sleeved on together, form a columnar filter element, be installed on by cylinder (5), lower cover (3), in the tank body that loam cake (17) is formed, with flange and sealing ring (8), (9) axially be connected with connecting plate (7), lower cover is connected with air inlet pipe (2), cylinder sides is provided with blast pipe (20), (21), establish taper kuppe (6) between blower fan (4) and the connecting plate, sealing ring (8), (9) contaminated air is sealed, make it to enter in the zone of clean air, orifice plate (10) is located at the core of secondary filter (11), stablizes air with pressure, and air is passed through.
2. air purification equipment according to claim 1, it is characterized in that: the loam cake (17) at tank body is equipped with air inlet pipe I (19), blower fan (16),, and the two-stage filter of filter I (18), middle filter II (15) in being provided with, the clean air after purifying is discharged by blast pipe I (20).This air cleaning system separates with dividing plate (14), makes gas filtration ventilation and air cleaning these two work systems independently separately of ventilating, and is loaded in the columnar tank body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB001062298A CN1150042C (en) | 2000-07-26 | 2000-07-26 | Toxic matter filtering ventilator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB001062298A CN1150042C (en) | 2000-07-26 | 2000-07-26 | Toxic matter filtering ventilator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1335188A CN1335188A (en) | 2002-02-13 |
| CN1150042C true CN1150042C (en) | 2004-05-19 |
Family
ID=4578220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB001062298A Expired - Fee Related CN1150042C (en) | 2000-07-26 | 2000-07-26 | Toxic matter filtering ventilator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1150042C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102072206A (en) * | 2010-11-19 | 2011-05-25 | 苏州顶裕节能设备有限公司 | Filter gate of fan |
| CN102496397B (en) * | 2011-12-23 | 2014-12-03 | 核工业理化工程研究院华核新技术开发公司 | Mobile type nuclear-biochemical air and liquid waste treatment system |
| CN103801158A (en) * | 2014-03-12 | 2014-05-21 | 美埃（中国）环境净化有限公司 | Bag-inlet bag-outlet exhaust air filter unit |
| CN106403052A (en) * | 2015-08-03 | 2017-02-15 | 江苏苏新医疗设备有限公司 | Air purifier |
-
2000
- 2000-07-26 CN CNB001062298A patent/CN1150042C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1335188A (en) | 2002-02-13 |
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| DD01 | Delivery of document by public notice |
Addressee: Li Mingxian Document name: Notification to Pay the Fees |
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| DD01 | Delivery of document by public notice |
Addressee: Li Mingxian Document name: Notification to Pay the Fees |
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| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20040519 Termination date: 20130726 |