CN220159512U - Air filtering structure for cryogenic oxygen generator - Google Patents
Air filtering structure for cryogenic oxygen generator Download PDFInfo
- Publication number
- CN220159512U CN220159512U CN202321604884.2U CN202321604884U CN220159512U CN 220159512 U CN220159512 U CN 220159512U CN 202321604884 U CN202321604884 U CN 202321604884U CN 220159512 U CN220159512 U CN 220159512U
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- CN
- China
- Prior art keywords
- cryogenic oxygen
- filter
- air
- wall
- box body
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- 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.)
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 49
- 239000001301 oxygen Substances 0.000 title claims abstract description 49
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 49
- 238000001914 filtration Methods 0.000 title claims abstract description 21
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 16
- 238000007789 sealing Methods 0.000 claims description 15
- 241000196324 Embryophyta Species 0.000 claims description 14
- 241000220317 Rosa Species 0.000 claims description 13
- 239000012792 core layer Substances 0.000 claims description 13
- 239000010410 layer Substances 0.000 claims description 12
- 239000007789 gas Substances 0.000 claims description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 9
- 229920000742 Cotton Polymers 0.000 claims description 8
- 229910052799 carbon Inorganic materials 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 3
- 239000000428 dust Substances 0.000 abstract description 14
- 239000012535 impurity Substances 0.000 abstract description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 10
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 9
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 239000002245 particle Substances 0.000 description 6
- 239000007788 liquid Substances 0.000 description 5
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 229910021529 ammonia Inorganic materials 0.000 description 3
- 238000009835 boiling Methods 0.000 description 3
- 229910002091 carbon monoxide Inorganic materials 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 210000004209 hair Anatomy 0.000 description 3
- 239000000779 smoke Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 2
- 238000004887 air purification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 241000700605 Viruses Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011859 microparticle Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
Landscapes
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The utility model discloses an air filtering structure for a cryogenic oxygen generator, which comprises a main box body, wherein a cryogenic oxygen generator interface is fixed at the center of the back of the main box body, and a draught fan is arranged on the cryogenic oxygen generator interface; the filter box is fixed on the inner wall of the front side of the main box body, a wind passing hole is formed in the center of the side edge of the filter box, a positioning frame is fixed in the wind passing hole, and a filter element module inserted onto the positioning frame is arranged in the filter box in a sliding mode; the inner wall of the main box body is located at the side edge of the filter box and is symmetrically provided with ultraviolet disinfection lamps, and the outer wall of the main box body is provided with a control board electrically connected with the ultraviolet disinfection lamps. The utility model purifies the air entering the inside of the cryogenic oxygen generating device, avoids impurities such as dust in the air from entering the inside of the cryogenic oxygen generating device, pollutes the inside of the cryogenic oxygen generating device, and has convenient replacement of the filter core module.
Description
Technical Field
The utility model relates to the technical field of cryogenic oxygen generation devices, in particular to an air filtering structure for a cryogenic oxygen generation device.
Background
Cryogenic oxygen generation refers to the separation of air into oxygen and nitrogen at low temperatures below-1000 ℃. The liquid oxygen and the liquid nitrogen which form liquid air have different boiling points under the same pressure, the components with low boiling points are firstly evaporated into gas, the components with high boiling points are still liquid, and the concentration of oxygen in the liquid is increased, and the concentration of nitrogen in the gas is increased by repeating the steps, so that the oxygen and the nitrogen are separated.
Because the air contains dust particles or other impurities, the air enters the deep-cooling oxygen generator, is not easy to clean, and is easy to influence the purity of the extracted liquid oxygen and liquid nitrogen, and is unfavorable for use, therefore, an air filtering device is required to be additionally arranged for air filtering. The air filtering structure in the prior art is generally directly installed in the deep-cooling oxygen generator, residual dirt in the air exists in the air after the air filtering structure is used for a certain time, the air filtering structure is not pure in gas and needs to be replaced after the air filtering structure is continuously used, and the filter core module is difficult to replace by the air filtering structure installed in the deep-cooling oxygen generator. Therefore, it is necessary to design an air filter structure for a cryogenic oxygen plant.
Disclosure of Invention
In order to overcome the defects in the prior art, the utility model provides the air filtering structure for the cryogenic oxygen generator, which is used for purifying the air entering the cryogenic oxygen generator, avoiding impurities such as dust in the air from entering the cryogenic oxygen generator, polluting the inside of the cryogenic oxygen generator and facilitating the replacement of a filtering core module.
In order to achieve the above purpose, the present utility model provides the following technical solutions: an air filtering structure for a cryogenic oxygen generator comprises a main box body, wherein a cryogenic oxygen generator interface is fixed at the center of the back of the main box body, and an induced draft fan is arranged on the cryogenic oxygen generator interface;
the filter box is fixed on the inner wall of the front side of the main box body, a wind passing hole is formed in the center of the side edge of the filter box, a positioning frame is fixed in the wind passing hole, and a filter element module inserted onto the positioning frame is arranged in the filter box in a sliding mode;
the inner wall of the main box body is located at the side edge of the filter box and is symmetrically provided with ultraviolet disinfection lamps, and the outer wall of the main box body is provided with a control board electrically connected with the ultraviolet disinfection lamps.
Preferably, the filter core module is including cup jointing the locating sleeve in the locating rack outside, install PET cotton filter core layer, HEPA filter screen layer and active carbon filter core layer on the locating sleeve from left to right in proper order.
Preferably, a sealing member contacting the filter element module is mounted on the outer wall of the filter box.
Preferably, the sealing member comprises sealing grooves which are equidistantly distributed on the outer wall of the filter box, air bags are fixed in the sealing grooves and connected in series through connecting pipes, sealing rubber rings which are in contact with the filter core module are bonded on the inner walls of the air bags, an inflator pump is mounted on the outer wall of the filter box, an air outlet of the inflator pump is connected with an air charging port of the air bags through an air charging pipe, and an air charging electromagnetic valve is mounted on the air charging pipe.
Preferably, an exhaust pipe is arranged on an exhaust port of the air bag, and an exhaust electromagnetic valve is arranged on the exhaust pipe.
Preferably, the side of main tank body is located the front side of rose box and has seted up the spout, the inside slip of spout has the filter screen, the top center department of filter screen installs the handle.
Preferably, two L-shaped air deflectors are arranged between the two ultraviolet disinfection lamps in the main box body, and the two L-shaped air deflectors are distributed in a staggered mode.
Preferably, the L-shaped air deflector is made of transparent PVC material.
The beneficial effects of the utility model are as follows:
the air entering the inside of the cryogenic oxygen generator is purified, so that impurities such as dust in the air are prevented from entering the inside of the cryogenic oxygen generator, the inside of the cryogenic oxygen generator is polluted, and the filter core module is convenient to replace.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is a schematic perspective view of the whole structure of the present utility model;
FIG. 2 is a schematic cross-sectional plan view of the main housing of the present utility model;
FIG. 3 is a schematic perspective view of a filtration core module according to the present utility model;
FIG. 4 is a schematic perspective view of a positioning frame according to the present utility model;
reference numerals in the drawings: 1. a main case; 2. a cryogenic oxygen generator interface; 3. an induced draft fan; 4. a chute; 5. a filter screen; 6. a handle; 7. a control board; 8. a filter box; 9. a wind hole; 10. a positioning frame; 11. a filter element module; 111. positioning the sleeve; 112. PET cotton filter element layer; 113. HEPA filter screen layer; 114. an activated carbon filter element layer; 12. an ultraviolet sterilizing lamp; 13. l-shaped air deflector; 14. a seal; 141. sealing grooves; 142. an air bag; 143. a connecting pipe; 144. sealing the rubber ring; 145. an inflator pump; 146. an inflation tube; 147. an inflation electromagnetic valve; 148. an exhaust pipe; 149. an exhaust solenoid valve.
Description of the embodiments
Hereinafter, only certain exemplary embodiments are briefly described. As will be recognized by those of skill in the pertinent art, the described embodiments may be modified in various different ways without departing from the spirit or scope of the present utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature.
The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings.
The utility model provides the following technical scheme as shown in fig. 1, 2, 3 and 4: the utility model provides an air filtering structure for cryogenic oxygen generator, includes main tank 1, and main tank 1's back center department is fixed with cryogenic oxygen generator interface 2, installs draught fan 3 on the cryogenic oxygen generator interface 2, is connected with cryogenic oxygen generator's air inlet through cryogenic oxygen generator interface 2, and draught fan 3 work provides power for external air entering;
the inner wall of the front side of the main box body 1 is fixed with a filter box 8, the center of the side edge of the filter box 8 is provided with a wind through hole 9, a positioning frame 10 is fixed in the wind through hole 9, and a filter core module 11 inserted on the positioning frame 10 slides in the filter box 8; the filter element module 11 comprises a positioning sleeve 111 sleeved on the outer side of the positioning frame 10, a PET cotton filter element layer 112, a HEPA filter element layer 113 and an active carbon filter element layer 114 are sequentially arranged on the positioning sleeve 111 from left to right, external air enters the filter box 8, is filtered through the PET cotton filter element layer 112 at first, small dust particles, hairs and other substances in the air are adsorbed, is filtered through the HEPA filter element layer 113 for the second time, and is used for removing tiny particles such as mite dust, pollen, germ, second-hand smoke and dust, and is discharged from a wind through hole 9 at the tail part of the filter box 8 after various peculiar smell and harmful gases such as ammonia, carbon monoxide and benzene are removed through the active carbon filter element layer 114;
the inner wall of the main box body 1 is positioned on the side edge of the filter box 8 and is symmetrically provided with ultraviolet disinfection lamps 12, the outer wall of the main box body 1 is provided with a control board 7 electrically connected with the ultraviolet disinfection lamps 12, and the main box body is disinfected again under the action of the ultraviolet disinfection lamps 12 to kill viruses and bacteria in the air.
Preferably, the filter core module 11 comprises a positioning sleeve 111 sleeved outside the positioning frame 10, a PET cotton filter core layer 112, a HEPA filter core layer 113 and an active carbon filter core layer 114 are sequentially installed on the positioning sleeve 111 from left to right, the PET cotton filter core layer 112 is used for adsorbing substances such as small dust particles and hair in air, the HEPA filter core layer 113 is used for removing micro particles such as mite dust, pollen, bacteria, second-hand smoke and dust, and the active carbon filter core layer 114 is used for removing various peculiar smell and harmful gases such as ammonia, carbon monoxide and benzene.
Preferably, the outer wall of the filter box 8 is fitted with a seal 14 in contact with the filter cartridge module 11.
Preferably, the sealing member 14 includes the equidistant seal groove 141 that distributes at the rose box 8 outer wall, the inside of seal groove 141 is fixed with gasbag 142, and a plurality of gasbag 142 pass through connecting pipe 143 series connection, the inner wall of gasbag 142 bonds there is the sealing rubber circle 144 that contacts with filter core module 11, pump 145 is installed to the outer wall of rose box 8, the gas outlet of pump 145 passes through the inflation tube 146 and is connected with the inflation inlet of gasbag 142, install inflation solenoid valve 147 on the inflation tube 146, after pegging graft filter core module 11 to the inside locating rack 10 of rose box 8, make pump 145 work through touch control panel 7, inflation solenoid valve 147 opens, make gasbag 142 inflation, make sealing rubber circle 144 atress extension, the parcel is at the periphery of each filter layer of filter core module 11, play the sealing effect, avoid the air to pass through from the junction gap of filter core module 11 and rose box 8, influence the filter effect of air.
Preferably, the exhaust pipe 148 is installed on the exhaust port of the air bag 142, the exhaust electromagnetic valve 149 is installed on the exhaust pipe 148, the exhaust electromagnetic valve 149 is opened through the touch control panel 7, the air exhaust of the air bag 142 is conveniently realized, the sealing rubber ring 144 is separated from the filter core module 11, and the filter core module 11 is conveniently and rapidly taken out.
Preferably, the side of main tank body 1 is located the front side of rose box 8 and has seted up spout 4, and the inside of spout 4 slides there is filter screen 5, and handle 6 is installed to the top center department of filter screen 5, and filter screen 5 slides in the inside of spout 4, and the installation is dismantled conveniently.
Preferably, the inside of main tank body 1 is located and installs two L shape aviation baffle 13 between two ultraviolet disinfection lamp 12, and two L shape aviation baffle 13 dislocation distribution, and the setting of L shape aviation baffle 13 can play the guide effect to the air, increases the air at the inside transit time of main tank body 1, promotes the disinfection effect of ultraviolet disinfection lamp 12.
Preferably, the L-shaped air deflector 13 is made of transparent PVC material, and does not have shielding effect on the light of the ultraviolet disinfection lamp 12.
Working principle:
through upwards lifting handle 6, make filter screen 5 shift out from the inside of spout 4, the locating sleeve 111 with filter core module 11 is pegged graft to on the locating rack 10 of rose box 8 inside, realize with filter mandrel group 11 swing joint in the inside of rose box 8, then reset filter screen 5 again, be connected with the air inlet of cryogenic oxygen plant through cryogenic oxygen plant interface 2, draught fan 3 work, outside air is first through filter screen 5 filtration back to the inside of rose box 8, first through PET cotton filter core layer 112 filtration, adsorb substances such as small dust particle in the air and hair, then carry out secondary filtration through HEPA filter core layer 113, get rid of tiny particle such as mite dust, pollen, germ, second hand smoke, dust, then through active carbon filter core layer 114, get rid of various peculiar smell such as ammonia, carbon monoxide, benzene and harmful gas back follow the cross wind hole 9 of rose box 8 afterbody and discharge, disinfect again under the effect of ultraviolet disinfection lamp 12, enter into the inside of cryogenic oxygen plant through cryogenic oxygen plant interface 2 at last, get into the inside of cryogenic oxygen plant, carry out the inside air purification device, the inside is polluted with dust removal, the inside is avoided in the cryogenic air purification device, and the inside is polluted with the inside filter core 11.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (8)
1. The utility model provides an air filter structure for cryogenic oxygen plant, includes main tank body (1), its characterized in that: a cryogenic oxygen generator interface (2) is fixed at the back center of the main box body (1), and a draught fan (3) is arranged on the cryogenic oxygen generator interface (2);
the filter box is characterized in that a filter box (8) is fixed on the inner wall of the front side of the main box body (1), a wind passing hole (9) is formed in the center of the side edge of the filter box (8), a positioning frame (10) is fixed in the wind passing hole (9), and a filter core module (11) inserted onto the positioning frame (10) is slidably arranged in the filter box (8);
ultraviolet disinfection lamps (12) are symmetrically arranged on the side edges of the inner wall of the main box body (1) located on the filtering box (8), and a control board (7) electrically connected with the ultraviolet disinfection lamps (12) is arranged on the outer wall of the main box body (1).
2. The air filter structure for a cryogenic oxygen plant of claim 1, wherein: the filter core module (11) comprises a positioning sleeve (111) sleeved on the outer side of the positioning frame (10), and a PET cotton filter core layer (112), a HEPA filter screen layer (113) and an active carbon filter core layer (114) are sequentially arranged on the positioning sleeve (111) from left to right.
3. The air filter structure for a cryogenic oxygen plant of claim 1, wherein: a sealing piece (14) contacted with the filter core module (11) is arranged on the outer wall of the filter box (8).
4. An air filter structure for a cryogenic oxygen plant as claimed in claim 3, wherein: sealing member (14) are including equidistant seal groove (141) that distribute at rose box (8) outer wall, the inside of seal groove (141) is fixed with gasbag (142), and a plurality of gasbag (142) are through connecting pipe (143) series connection, the inner wall bonding of gasbag (142) has sealing rubber circle (144) with filtration mandrel group (11) contact, pump (145) are installed to the outer wall of rose box (8), the gas outlet of pump (145) is connected with the inflation inlet of gasbag (142) through gas tube (146), install inflation solenoid valve (147) on gas tube (146).
5. The air filter structure for a cryogenic oxygen plant of claim 4, wherein: an exhaust pipe (148) is arranged on an exhaust port of the air bag (142), and an exhaust electromagnetic valve (149) is arranged on the exhaust pipe (148).
6. The air filter structure for a cryogenic oxygen plant of claim 1, wherein: the side of main box (1) is located the front side of rose box (8) and has seted up spout (4), the inside slip of spout (4) has filter screen (5), handle (6) are installed in the top center department of filter screen (5).
7. The air filter structure for a cryogenic oxygen plant of claim 1, wherein: two L-shaped air deflectors (13) are arranged between the two ultraviolet disinfection lamps (12) in the main box body (1), and the two L-shaped air deflectors (13) are distributed in a staggered mode.
8. The air filter structure for a cryogenic oxygen plant of claim 7, wherein: the L-shaped air deflector (13) is made of transparent PVC material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321604884.2U CN220159512U (en) | 2023-06-25 | 2023-06-25 | Air filtering structure for cryogenic oxygen generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321604884.2U CN220159512U (en) | 2023-06-25 | 2023-06-25 | Air filtering structure for cryogenic oxygen generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220159512U true CN220159512U (en) | 2023-12-12 |
Family
ID=89060210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321604884.2U Active CN220159512U (en) | 2023-06-25 | 2023-06-25 | Air filtering structure for cryogenic oxygen generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220159512U (en) |
-
2023
- 2023-06-25 CN CN202321604884.2U patent/CN220159512U/en active Active
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