CN209576203U - A kind of chemical defence special filtering absorber - Google Patents
A kind of chemical defence special filtering absorber Download PDFInfo
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- CN209576203U CN209576203U CN201920090185.8U CN201920090185U CN209576203U CN 209576203 U CN209576203 U CN 209576203U CN 201920090185 U CN201920090185 U CN 201920090185U CN 209576203 U CN209576203 U CN 209576203U
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Abstract
The utility model relates to a kind of chemical warfare protective equipments, specifically disclose a kind of chemical defence special filtering absorber, it is intended to provide a kind of gas-particulate filter with the ability for strongly keeping out shock wave, it is characterized in that: including cylinder, air inlet and air outlet positioned at cylinder both ends, air inlet diffusion part is provided between air inlet and cylinder, it enters the wind diffusion part and the side of cylinder is provided with explosion-proof filter plate, explosion-proof filter plate includes multiple prism-frustum-shaped polyhedrons, and multiple polyhedrons are connected with each other close to the side of air inlet, each polyhedron has cavity by being extended inwardly close to one end of air inlet, the surface area of each polyhedron towards air inlet one end is greater than the surface area towards air outlet one end, and several air inlet holes are provided on the side wall of air inlet in cavity.The polyhedron that the utility model is connected by being equipped with multiple sides, polyhedron is interior equipped with the air inlet hole being equipped in cavity and cavity, and shock wave is reflected air inlet by diffusing reflection well.
Description
Technical field
The utility model relates to filter absorption of technical field, more particularly, to a kind of chemical defence special filtering absorber.
Background technique
Chemical defence special filtering absorber is specially ground according to level of protection and requirement of shelter of the civil air defense constructions and installations to chemical weapons
The chemical defence special equipment of system is mainly used for civil air defense constructions and installations and is involved in drug traffic ventilating system, can effectively filter toxic smoke, poison in contamination air
The harmful substances such as mist, bioaerosol and radioactive dust, persistent toxic agent steam, into engineering, personnel are provided filtered
Clean air.The generally existing poor filtration effect of current gas-particulate filter, air cleaning rate is low, and in transport, installation and use
In the process, gas-particulate filter leakproofness declines, if damp failure, then will affect using effect, threatens human life's safety.Separately
Outside, the shock wave generated after bomb blast will cause certain damage to gas-particulate filter, and a large amount of travel fatigue also be easy to cause filter
Blocking, reduce the service life.
Existing notification number discloses a kind of chemical defence special filtering absorber for the Chinese patent of CN207371224U, including
Cylinder, air inlet and air outlet, air inlet include import interconnecting piece and air inlet diffusion part, and air outlet includes outlet connections and goes out
Wind diffusion part, import interconnecting piece and outlet connections pass through metal anchor ear and are fastenedly connected rubber bellows, enter the wind in diffusion part
It is fixed with the explosion-proof filter plate of bending type, explosion-proof filter plate is equipped with one group of exciter fixed by pressing plate；Essence is equipped in cylinder
Filter and canister, the first filter device and the second filter device are equipped in fine filter, and cylinder side is equipped with opening, cylinder top
It is plugged with dry part, dry part connects inlet section and outlet section by communicating pipe.Chemical defence special filtering disclosed in this utility model
Absorber carries out multi-filtering to gas by being equipped with fine filter and canister, keeps out the external world equipped with the explosion-proof filter plate of bending type
Shock wave.
But when explosion time occurs, the shock wave intensity after explosion is high, and the explosion-proof filter plate of the bending type keeps out impact
The efficiency of wave is lower.
Utility model content
The purpose of the utility model is to provide a kind of chemical defence special filtering absorbers, have advanced optimized chemical defence special filtering
The performance of absorber resistance shock wave.
The above-mentioned purpose of utility model of the utility model has the technical scheme that
A kind of chemical defence special filtering absorber, including cylinder, positioned at the air inlet and air outlet at cylinder both ends, the air inlet
It is provided with air inlet diffusion part between mouth and cylinder, outlet air diffusion part is provided between the air outlet and cylinder, the air inlet expands
The portion of dissipating is provided with explosion-proof filter plate close to the side of air outlet, and the explosion-proof filter plate is made of multiple prism-frustum-shaped polyhedrons, and
Each polyhedron is connected with each other close to the side wall of air inlet, and each polyhedron is extended inwardly by one end close to air inlet to be set
It is equipped with cavity, the surface area of each polyhedron towards air inlet one end is greater than the surface area towards air outlet one end, and more
The body side wall adjacent with air inlet in face is provided with the air inlet hole being connected to cavity, and the explosion-proof filter plate is back on the one of air inlet
End is provided with one group of exciter.
By using above-mentioned technical proposal, shock wave passes through the air inlet being equipped with air-flow and enters in air inlet diffusion part,
Multiple reflections in the cavity that shock wave is equipped in explosion-proof filter plate since cavity is prism-frustum-shaped, and are open towards air inlet, institute
Outside in cavity internal reflection with shock wave, the setting of a plurality of cavities reduces the further transmitting of shock wave, and air-flow then passes through
The air inlet hole that cavity sidewalls are equipped with enters in cylinder, and the explosion-proof filter plate of setting optimizes the property that gas-particulate filter resists shock wave
Energy.
The utility model is further arranged to: the polyhedron is truncated rectangular pyramids, and multiple polyhedral side walls are welded to each other.
By using above-mentioned technical proposal, the polyhedron of welding is secured, long service life.
The utility model is further arranged to: the explosion-proof filter plate is equipped with two layers, and more two layers of explosion-proof filter plate is sequentially
Arranged stacked.
By using above-mentioned technical proposal, after the explosion-proof filter plate rebound of first layer, few shock wave passes through shock wave
The explosion-proof filter plate of first layer, by the rebound of the explosion-proof filter plate of the second layer, the explosion-proof filter plate of two layers be equipped with is further improved
The performance of shock wave resistance.
The utility model is further arranged to: the air inlet diffusion part is provided with filter plate close to one end of air inlet.
By using above-mentioned technical proposal, the filter plate that is equipped with is used to remove the dust debris in air, avoid impurity by into
Air port flows into cylinder.
The utility model is further arranged to: being threaded with sealing cover, the sealing at the air inlet and air outlet
It covers the side wall being bonded with air inlet and air outlet and is respectively arranged with sealing ring.
By using above-mentioned technical proposal, when the sealing cover that is equipped with and sealing ring avoid the gas-particulate filter from transporting because by
To jolt and leakproofness decline.
The utility model is further arranged to: the side in the cylinder close to air outlet is provided with the essence of several " V " shapes
The both ends of filter plate, adjacent refined filtration plate are connected.
By using above-mentioned technical proposal, on the one hand the refined filtration plate for the " V " shape being equipped with crosses miniature impurity in air filtering, a side
The structure of face " V " shape increases the contact area of refined filtration plate and air-flow, improves the filter efficiency of refined filtration plate.
The utility model is further arranged to: the cylinder is provided with detoxication board, institute between explosion-proof filter plate and refined filtration plate
Stating detoxication board includes the active carbon layer being laid in strainer and strainer.
By using above-mentioned technical proposal, the active carbon layer in detoxication board being equipped with can effectively absorb toxic in air-flow
Pernicious gas protects suction airflow person's physical safety.
The utility model is further arranged to: by being communicated with dry part communicating pipe on the cylinder, the dry part is logical
It crosses and is connected to air inlet diffusion part and outlet air diffusion part communicating pipe.
By using above-mentioned technical proposal, the drying part being equipped with is used to avoid moist cylinder drying because of cylinder humidity
And the gas-particulate filter is caused to fail.
The utility model is further arranged to: the cylinder is equipped with humidity detector.
By just using above-mentioned technical proposal, the humidity detector being equipped with facilitates operation for detecting the intracorporal humidity of cylinder
Humidity condition in personnel's inspection section body.
The utility model is further arranged to: the humidity detector includes being located at the intracorporal humidity sensor of cylinder, institute
It states cylinder and is externally provided with display for feeding back humidity sensor registration.
By using above-mentioned technical proposal, humidity sensor is equipped with for effectively detecting the intracorporal humidity condition of cylinder, and is shown
Show that device for timely feedbacking humidity shown by humidity sensor, facilitates operator to observe.
In conclusion the advantageous effects of the utility model are as follows:
1. by the way that explosion-proof filter plate is set as multiple cavitys to connect, shock wave pass through with air-flow the air inlet that is equipped with into
Enter to enter the wind in diffusion part, shock wave multiple reflections in cavity, since cavity is prism-frustum-shaped, and be open towards air inlet, so
Shock wave is outside in cavity internal reflection, and the setting of a plurality of cavities reduces the further transmitting of shock wave, and air-flow then passes through sky
The air inlet hole that chamber side wall is equipped with enters in cylinder, has not only effectively dispersed shock wave, but also does not stop the further circulation of air-flow.
2. by the refined filtration plate of the " V " shape that is equipped on the one hand for filtering air in miniature impurity, one side " V " shape
Structure increases the contact area of refined filtration plate and air-flow, improves the filter efficiency of refined filtration plate.
3. can effectively absorb the toxic and harmful gas in air-flow by the active carbon layer being equipped with, suction airflow person's body is protected
Body safety
4. the intracorporal humidity condition of cylinder is detected for effective by the humidity sensor being equipped with, and display is for anti-in time
Humidity shown by humidity sensor is presented, operator is facilitated to observe, the drying part being equipped with is used to keep away moist cylinder drying
Exempt to cause the gas-particulate filter to fail because of cylinder humidity, it is when operator observes that humidity coefficient is higher, then openable dry
The dry cylinder of dry part.
Detailed description of the invention
Fig. 1 is a kind of overall structure diagram of chemical defence special filtering absorber provided by the utility model.
Fig. 2 is the A-A directional profile structural schematic diagram of Fig. 1.
Fig. 3 is a kind of structural schematic diagram of the explosion-proof filter plate of chemical defence special filtering absorber provided by the utility model.
In figure, 1, cylinder；2, air inlet；21, diffusion part is entered the wind；3, air outlet；31, outlet air diffusion part；4, explosion-proof filtering
Plate；41, polyhedron；42, cavity；43, air inlet hole；44, exciter；5, filter plate；6, sealing cover；61, sealing ring；7, refined filtration plate；
8, detoxication board；81, strainer；82, active carbon layer；9, dry part；91, communicating pipe；10, humidity detector；101, humidity sensor
Device；102, display.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
As shown in Figure 1, the chemical defence special filtering absorber of the utility model includes cylinder 1, the air inlet positioned at 1 both ends of cylinder
Mouth 2 and air outlet 3.Air inlet 2 and air outlet 3 are threaded with sealing cover 6, and being fitted into sealing cover 6 has sealing ring 61.Air inlet
It is provided with air inlet diffusion part 21 between 2 and cylinder 1, outlet air diffusion part 31 is provided between air outlet 3 and cylinder 1.
Operator tightens sealing cover 6, avoids reducing the sealing of the gas-particulate filter because transport is jolted in transport
Property, in use, operator opens sealing cover 6, so that air-flow flows into air inlet diffusion part 21 again in cylinder 1 by air inlet 2, then
By being circulated to outlet air diffusion part 31 in cylinder 1 again to air outlet 3 until outflow tube 1.
As shown in Fig. 2, entering the wind diffusion part 21 close to one end of air inlet 2 in order to avoid the sundries in air enters cylinder 1
It is connected with filter plate 5.
Air-flow first passes around filter plate 5, and filter plate 5 removes the large-scale impurity in air-flow.
In order to advanced optimize the shock wave resistance performance of the gas-particulate filter, as shown in Fig. 2, air inlet diffusion part 21 is close to cylinder
The side of body 1 is connected with two layers of explosion-proof filter plate 4, and two layers of explosion-proof filter plate 4 is successively overlapped, and every layer of explosion-proof filter plate 4 includes more
A prism-frustum-shaped polyhedron 41, and multiple polyhedrons 41 are welded to each other close to the side of air inlet 2, as shown in figure 3, each polyhedron
41 have cavity 42, surface area of each polyhedron 41 towards 2 one end of air inlet by being extended inwardly close to one end of air inlet 2
Greater than the surface area towards 3 one end of air outlet, and polyhedron 41 side wall adjacent with air inlet 2 is provided with and is connected to cavity 42
Air inlet hole 43, one end of explosion-proof filter plate 4 back on air inlet 2 are provided with one group of exciter 44, the exciter in the present embodiment
44 be exciter 44 common in chemical defence special filtering absorber, is had disclosed, few to be described in detail.
Shock wave enters in air inlet diffusion part 21 with air-flow, shock wave multiple reflections in cavity 42, due to cavity 42
For prism-frustum-shaped, and be open towards air inlet 2, so shock wave is outside in 42 internal reflection of cavity, and air-flow by air inlet hole 43 after
It is continuous to flow in cylinder 1.
In order to effectively filter out the toxic and harmful gas in air-flow and miniature impurity, as shown in Fig. 2, close to anti-in cylinder 1
The side of quick-fried filter plate 4 is connected with detoxication board 8, and detoxication board 8 includes the active carbon layer 82 being laid in strainer 81 and strainer 81,
Side in cylinder 1 close to air outlet 3 is connected with the refined filtration plate 7 of several " V " shapes, and multiple refined filtration plates 7 are in broken line type.
Air-flow enters in cylinder 1, by detoxication board 8, sponges the smell in air-flow by the active carbon layer 82 in detoxication board 8
With toxic and harmful gas, using refined filtration plate 7, the filter opening of refined filtration plate 7 is much smaller than the filter opening of filter plate 5, removes gas by refined filtration plate 7
In miniature impurity, and the refined filtration plate 7 of " V " shape increases the contact area of air-flow Yu refined filtration plate 7, improves refined filtration plate 7
Filter efficiency.
As shown in Fig. 2, cylinder 1 is equipped with humidity detector in order to avoid damaging cylinder 1 because 1 inside of cylinder is moist
10.Humidity detector 10 includes humidity sensor 101 and display 102, and humidity sensor 101 is placed in inside cylinder 1, is shown
Device 102 is placed in 1 outer wall of cylinder, and humidity sensor 101 is connected with display 102, the humidity detector 10 in the present embodiment
For electronic type humidity detector 10, intuitive is strong, dry part 9 is plugged on cylinder 1, dry part 9 is by connecting communicating pipe 91
To air inlet diffusion part 21 and outlet air diffusion part 31, in the present embodiment dry part 9 include both ends connect communicating pipe 91 cabinet and
The electrically heated rod being arranged in cabinet, i.e. opening electrically heated rod, make electrically heated rod generate heat, then will be hot by communicating pipe 91 by electric energy
It can be transferred in cylinder 1, drying cylinder body 1.
When 1 inside of cylinder is moist, humidity sensor 101 detects the humidity in cylinder 1, then timely by display 102
The registration for feeding back humidity sensor 101 is beaten when coefficient shown by operator observes display 102 is above standard
Electrically heated rod is opened, is generated heat by electric energy, then by communicating pipe 91 by thermal energy conduction to cylinder 1, drying cylinder body 1 works as display
When 102 registrations fed back reach standard, operator can close electrically heated rod.
The embodiment of present embodiment is the preferred embodiment of the utility model, and not limitation is originally practical new according to this
The protection scope of type, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by practical
Within novel protection scope.
Claims (10)
1. a kind of chemical defence special filtering absorber, including cylinder (1), positioned at the air inlet (2) and air outlet at cylinder (1) both ends
(3), which is characterized in that be provided between the air inlet (2) and cylinder (1) air inlet diffusion part (21), the air outlet (3) with
It is provided between cylinder (1) outlet air diffusion part (31), air inlet diffusion part (21) is provided with anti-close to the side of air outlet (3)
Quick-fried filter plate (4), the explosion-proof filter plate (4) is made of the polyhedron (41) of multiple prism-frustum-shapeds, and multiple polyhedrons (41) lean on
The side wall of nearly air inlet (2) is connected with each other, and each polyhedron (41) is extended inwardly by one end close to air inlet (2)
Have cavity (42), the surface area of each polyhedron (41) towards air inlet (2) one end is greater than towards air outlet (3) one end
Surface area, and polyhedron (41) side wall adjacent with air inlet (2) is provided with the air inlet hole (43) being connected to cavity (42), it is described
One end of explosion-proof filter plate (4) back on air inlet (2) is provided with one group of exciter (44).
2. a kind of chemical defence special filtering absorber according to claim 1, which is characterized in that the polyhedron (41) is four
Terrace with edge, and the side wall of multiple polyhedrons (41) is welded to each other.
3. a kind of chemical defence special filtering absorber according to claim 1, which is characterized in that the explosion-proof filter plate (4)
Equipped with two layers, and two layers of explosion-proof filter plate (4) sequentially arranged stacked.
4. a kind of chemical defence special filtering absorber according to claim 1, which is characterized in that the air inlet diffusion part (21)
One end close to air inlet (2) is provided with filter plate (5).
5. a kind of chemical defence special filtering absorber according to claim 1, which is characterized in that the air inlet (2) with go out
It is threaded at air port (3) sealing cover (6), the side wall that the sealing cover (6) is bonded with air inlet (2) and air outlet (3) point
It is not provided with sealing ring (61).
6. a kind of chemical defence special filtering absorber according to claim 1, which is characterized in that close in the cylinder (1)
The side of air outlet (3) is provided with the refined filtration plate (7) of several " V " shapes, and the both ends of adjacent refined filtration plate (7) are connected.
7. a kind of chemical defence special filtering absorber according to claim 1, which is characterized in that the cylinder (1) is in explosion-proof
It is provided between filter plate (4) and refined filtration plate (7) detoxication board (8), the detoxication board (8) includes in strainer (81) and strainer (81)
The active carbon layer (82) of laying.
8. a kind of chemical defence special filtering absorber according to claim 1, which is characterized in that pass through on the cylinder (1)
It is communicated with communicating pipe dry part (9), dry part (9) two sides are connected to air inlet diffusion part (21) by communicating pipe (91) and go out
Wind diffusion part (31).
9. a kind of chemical defence special filtering absorber according to claim 1, which is characterized in that the cylinder (1) is equipped with
Humidity detector (10).
10. a kind of chemical defence special filtering absorber according to claim 9, which is characterized in that the humidity detector
It (10) include the humidity sensor (101) in cylinder (1), the cylinder (1) is externally provided with for feeding back humidity sensor
(101) display (102) of registration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920090185.8U CN209576203U (en) | 2019-01-19 | 2019-01-19 | A kind of chemical defence special filtering absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920090185.8U CN209576203U (en) | 2019-01-19 | 2019-01-19 | A kind of chemical defence special filtering absorber |
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| Publication Number | Publication Date |
|---|---|
| CN209576203U true CN209576203U (en) | 2019-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920090185.8U Active CN209576203U (en) | 2019-01-19 | 2019-01-19 | A kind of chemical defence special filtering absorber |
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| CN (1) | CN209576203U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110801680A (en) * | 2019-12-13 | 2020-02-18 | 西安北方惠安防化设备有限公司 | Processing technology of chemical-resistant filtering absorber |
| CN117783206A (en) * | 2024-02-27 | 2024-03-29 | 北京理工大学 | Test system and method for evaluating warm-pressing explosive function |
-
2019
- 2019-01-19 CN CN201920090185.8U patent/CN209576203U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110801680A (en) * | 2019-12-13 | 2020-02-18 | 西安北方惠安防化设备有限公司 | Processing technology of chemical-resistant filtering absorber |
| CN117783206A (en) * | 2024-02-27 | 2024-03-29 | 北京理工大学 | Test system and method for evaluating warm-pressing explosive function |
| CN117783206B (en) * | 2024-02-27 | 2024-05-31 | 北京理工大学 | Test system and method for evaluating warm-pressing explosive function |
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