CN112370874A - Air sterilization filter in glutamic acid fermentation - Google Patents

Air sterilization filter in glutamic acid fermentation Download PDF

Info

Publication number
CN112370874A
CN112370874A CN202011169254.8A CN202011169254A CN112370874A CN 112370874 A CN112370874 A CN 112370874A CN 202011169254 A CN202011169254 A CN 202011169254A CN 112370874 A CN112370874 A CN 112370874A
Authority
CN
China
Prior art keywords
embedded
block
embedding
filter
glutamic acid
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.)
Withdrawn
Application number
CN202011169254.8A
Other languages
Chinese (zh)
Inventor
王小燕
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CN202011169254.8A priority Critical patent/CN112370874A/en
Publication of CN112370874A publication Critical patent/CN112370874A/en
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/56Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
    • B01D46/62Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0027Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
    • B01D46/0036Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions by adsorption or absorption
    • 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
    • B01D53/14Separation 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 absorption
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2257/00Components to be removed
    • B01D2257/80Water

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Apparatus Associated With Microorganisms And Enzymes (AREA)

Abstract

The invention discloses an air sterilization filter for glutamic acid fermentation, which structurally comprises a protective shell, a locking disc, an embedded connecting pipe and a support, wherein the protective shell is embedded and arranged right above the locking disc; the fungus in the air is when getting into the second filter core through the air inlet with moisture, can be adsorbed by the absorption silver of symmetrical installation in the second filter core left and right sides gradually, and it becomes slope downward design to adsorb the silver and can make the moisture that absorbs water the cotton absorption along with the slow collection of self weight at the bottom, outwards drip until soaking the infiltration cardboard through inlaying the leak orifice outside the cotton lower extreme that absorbs water, will adhere to the moisture that holds the terminal surface in the infiltration cardboard when making the air current inwards blow along one-way mouthful and evaporate, thereby avoid moisture trophoblasts to form colony crowd.

Description

Air sterilization filter in glutamic acid fermentation
Technical Field
The invention belongs to the field of air medium filtering and sterilizing equipment, and particularly relates to an air sterilizing filter for glutamic acid fermentation.
Background
The air sterilization filter is a filter connected with the fermentation equipment box, and mainly filters air flowing out of the fermentation equipment through a cotton core arranged in the equipment, so that microorganisms in the fermentation equipment are attached to the cotton core in the air floating process.
Based on the findings of the inventor, the following defects mainly exist in the prior art, such as: because the fermentation equipment needs to be supplemented with water continuously in the fermentation process, water is attached to the surface of the fermented object in a water mist shape and is uniformly and dispersedly distributed, part of water molecules still floating in the air and fungi are sucked into the filter together in the filtering process of the filter, and when the filter is at normal temperature suitable for the growth of the fungi, the fungi can grow into colony groups in the filter.
Therefore, it is necessary to provide an air sterilizing filter for glutamic acid fermentation.
Disclosure of Invention
In order to solve the problem that in the technology, because the fermentation equipment needs to be supplemented with water continuously in the fermentation process, water is attached to the surface of a fermented object in a water mist shape and is uniformly and dispersedly attached to the surface of the fermented object, part of water molecules still floating in the air and fungi are sucked into the filter together in the filtering process of the filter, and when the bacteria grow at normal temperature suitable for the growth of the fungi, the fungi grow into colony groups in the filter.
The invention relates to an air sterilization filter in glutamic acid fermentation, which is realized by the following specific technical means: the structure of the device comprises a protective shell, a locking disc, an embedded connecting pipe and a support, wherein the protective shell is embedded and arranged right above the locking disc, the left end and the right end of the lower end of the locking disc are embedded and clamped with the embedded connecting pipe, the embedded connecting pipe is embedded and arranged right above the support, and the support is embedded and arranged right below the protective shell; the protective shell comprises a series hole, a filtering mechanism and an embedded pipe, the series hole is formed in the end face of the inner side of the embedded pipe, the filtering mechanism is embedded and arranged right above the embedded pipe, and the end face of the outer side of the embedded pipe is connected with the embedded pipe through welding.
Wherein, filtering mechanism includes filter core, circular arc piece, cooling device, filter screen mouth, the block is inlayed to the filter core and is installed directly over the circular arc piece, the lower extreme left and right sides at cooling device is installed to circular arc piece symmetry, cooling device inlays and locates directly over the filter screen mouth, the filter screen mouth is located the filter core directly under, the circular arc piece is equipped with two.
Wherein, cooling device includes one-way mouth, second filter core, adsorbs silver, air inlet, fretwork pipe, the both ends about the second filter core are installed to one-way mouth symmetry, second filter core left and right sides terminal surface is inlaying and is being connected and adsorbing the silver, adsorb the upper end left and right sides at the air inlet of silver symmetry installation, the air inlet is inlayed and is located cooling device's lower terminal surface, fretwork pipe laminating parcel is at the outside terminal surface of second filter core, it adopts the material of adsorbable moisture to make to adsorb the silver.
Wherein, adsorb the silver including inlaying even mouth, cotton, fixed pipe, infiltration mouth, infiltration cardboard, inlay even mouthful inlaying the block and installing at the cotton left side terminal surface that absorbs water, the cotton medial surface that absorbs water is located the absorption silver that absorbs water, fixed pipe laminating parcel is at the outside terminal surface that adsorbs the silver, the infiltration mouth inlays the left side top of locating the infiltration cardboard, the infiltration cardboard is located the right flank of infiltration mouth, it becomes the slope form design to adsorb the silver.
The one-way port comprises an adsorption magnetic block, a rubber strip, a conical port and an embedding block, the outer end face of the adsorption magnetic block is embedded and clamped to be connected with the rubber strip, the outer side face of the lower end of the rubber strip is embedded and fixedly connected with the embedding block, the conical port is embedded and arranged on the inner side end face of the rubber strip, the embedding block is embedded and fixedly arranged on the left side and the right side of the lower end of the adsorption magnetic block, and the rubber strip is made of rubber materials.
The taper opening comprises a second embedding and fixing block, a rubber filling block and an embedding plate, the second embedding and fixing block is embedded in the inner side end face of the embedding and fixing plate in a crossed mode, the inner side end face of the rubber block is embedded, attached and connected with the embedding and fixing plate, the rubber filling block is embedded and fixed on the outer side end face of the second embedding and fixing block, the embedding and fixing plates are symmetrically installed on the left side and the right side of the second embedding and fixing block, and the second embedding block is provided with five rubber blocks and is embedded in the surface of the embedding and fixing plate in a crossed mode.
Compared with the prior art, the invention has the following beneficial effects:
1. the fungus in the air is when getting into the second filter core through the air inlet with moisture, can be adsorbed by the absorption silver of symmetrical installation in the second filter core left and right sides gradually, and it becomes slope downward design to adsorb the silver and can make the moisture that absorbs water the cotton absorption along with the slow collection of self weight at the bottom, outwards drip until soaking the infiltration cardboard through inlaying the leak orifice outside the cotton lower extreme that absorbs water, will adhere to the moisture that holds the terminal surface in the infiltration cardboard when making the air current inwards blow along one-way mouthful and evaporate, thereby avoid moisture trophoblasts to form colony crowd.
2. When equipment carries out the absorption, the rubber strip can inwards be pulled to powerful adsorption affinity, makes the rubber piece of inlaying the left and right both sides of inlaying the solid board promote to the centre and inlays the solid board, can inlay the block and inlay the solid piece and inlay the closure gradually at the second of inlaying solid board outside end face department when promoting to inlay the solid board, makes one-way mouthful whole airtight terminal surface that forms, avoids equipment atmospheric pressure unstability because of the clearance problem causes at the in-process of work.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an air sterilization filter for glutamic acid fermentation according to the present invention.
FIG. 2 is a schematic structural diagram of the protective shell of the air sterilization filter in glutamic acid fermentation.
FIG. 3 is a schematic structural diagram of an air sterilizing filter filtering mechanism in glutamic acid fermentation according to the present invention.
FIG. 4 is a schematic structural diagram of an air sterilizing filter cooling device in glutamic acid fermentation according to the present invention.
FIG. 5 is a schematic structural diagram of an air sterilizing filter absorbing cotton sliver in glutamic acid fermentation.
FIG. 6 is a schematic structural diagram of a one-way port of an air sterilization filter in glutamic acid fermentation according to the present invention.
FIG. 7 is a schematic view of the structure of a conical opening of an air sterilization filter in glutamic acid fermentation.
In the figure: the filter comprises a protective shell-1, a locking disc-2, an embedded connecting pipe-3, a support-4, a series hole-11, a filtering mechanism-12, an embedded fixing pipe-13, a filter element-121, an arc block-122, a cooling device-123, a filter screen port-124, a one-way port-231, a second filter element-232, an adsorption cotton sliver-233, an air inlet-234, a hollow pipe-235, an embedded connecting port-331, water absorption cotton-332, a fixing pipe-333, a leakage port-334, a water seepage paper board-335, an adsorption magnetic block-311, a rubber strip-312, a conical port-313, an embedded fixing block-314, a second embedded fixing block-131, a rubber block-132, a rubber filling block-133 and an embedded fixing plate-134.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
example 1:
as shown in figures 1 to 5:
the invention provides an air sterilization filter for glutamic acid fermentation, which structurally comprises a protective shell 1, a locking disc 2, an embedded connecting pipe 3 and a support 4, wherein the protective shell 1 is embedded and arranged right above the locking disc 2, the left end and the right end of the lower end of the locking disc 2 are embedded, clamped and installed with the embedded connecting pipe 3, the embedded connecting pipe 3 is embedded and installed right above the support 4, and the support 4 is embedded and arranged right below the protective shell 1; the protective shell 1 comprises a series hole 11, a filtering mechanism 12 and an embedded pipe 13, wherein the series hole 11 is formed in the inner side end face of the embedded pipe 13, the filtering mechanism 12 is embedded and arranged right above the embedded pipe 13, and the outer side end face of the embedded pipe 13 is connected with the embedded pipe 3 through welding.
Wherein, filtering mechanism 12 includes filter core 121, circular arc piece 122, cooling device 123, filter screen mouth 124, filter core 121 inlays the block and installs directly over circular arc piece 122, the lower extreme left and right sides at cooling device 123 is installed to circular arc piece 122 symmetry, cooling device 123 inlays and locates filter screen mouth 124 directly over, filter screen mouth 124 is located filter core 121 directly under, circular arc piece 122 is equipped with two, and constitutes circular-arc can effectively increase the adsorption affinity that forms in the filter core 121.
Wherein, cooling device 123 includes one-way mouth 231, second filter element 232, adsorbs silver 233, air inlet 234, fretwork pipe 235, the both ends about second filter element 232 are installed to one-way mouth 231 symmetry, second filter element 232 left and right sides terminal surface is inlaying and is being connected and adsorbing silver 233, adsorb the upper end left and right sides at air inlet 234 to the silver 233 symmetry of installing, the lower terminal surface of locating cooling device 123 is inlayed to air inlet 234, fretwork pipe 235 laminating parcel is at the outside terminal surface of second filter element 232, it adopts the material of adsorbable moisture to make to adsorb silver 233, can adsorb the conduction with the hydrone in the second filter element 232.
The absorbent cotton sliver 233 comprises an embedded connection port 331, absorbent cotton 332, a fixed tube 333, a leakage port 334 and a water seepage paper board 335, the embedded connection port 331 is embedded and clamped on the left end face of the absorbent cotton 332, the absorbent cotton 332 is located on the inner side end face of the absorbent cotton sliver 233, the fixed tube 333 is attached to and wrapped on the outer side end face of the absorbent cotton sliver 233, the leakage port 334 is embedded on the left upper side of the water seepage paper board 335, the water seepage paper board 335 is located on the right side of the leakage port 334, the absorbent cotton sliver 233 is designed in an inclined shape, and water absorbed by the absorbent cotton 332 can be collected downwards along the gravity of the absorbent cotton 332 and drips on the surface of the water seepage paper board 335 along the leakage port 334.
The specific use mode and function of the embodiment are as follows:
when the device is applied to a humid environment, due to the fact that the second filter element 232 and the adsorption cotton strips 233 are arranged in the cooling device 123, when bacteria and moisture in the air enter the second filter element 232 through the air inlet 234, the bacteria and the moisture are gradually adsorbed by the adsorption cotton strips 233 which are symmetrically arranged on the left side and the right side of the second filter element 232, and the adsorption cotton strips 233 are designed to be inclined downwards, the moisture adsorbed by the water absorption cotton 332 is gradually collected at the lowest end along with the self weight, and the moisture drips outwards through the leakage port 334 which is embedded on the outer side of the lower end of the water absorption cotton 332 until the water seepage paper board 335 is soaked, so that the air flow blows inwards along the one-way port 231 and simultaneously evaporates the moisture attached to the inner end surface of the water seepage paper board 335, thereby preventing the moisture trophozoite from forming colony groups.
Example 2:
as shown in fig. 6 to 7: the one-way port 231 comprises an adsorption magnetic block 311, a rubber strip 312, a conical port 313 and an embedding block 314, the outer end face of the outer side of the adsorption magnetic block 311 is embedded and clamped with the rubber strip 312, the outer side face of the lower end of the rubber strip 312 is embedded and fixedly connected with the embedding block 314, the conical port 313 is embedded and arranged on the inner end face of the rubber strip 312, the embedding block 314 is embedded and fixedly arranged on the left side and the right side of the lower end of the adsorption magnetic block 311, the rubber strip 312 is made of rubber materials, and when the adsorption force of the whole one-way port 231 is inwards sunken, the left side and the right side of the conical port 313 can be extruded and gathered to form a closed.
The tapered opening 313 comprises second embedded and fixed blocks 131, rubber blocks 132, rubber filling blocks 133 and embedded and fixed plates 134, the second embedded and fixed blocks 131 are embedded in the inner side end faces of the embedded and fixed plates 134 in a crossed mode, the embedded and fixed plates 134 are embedded, attached and connected to the inner side end faces of the rubber blocks 132, the rubber filling blocks 133 are embedded and fixed in the outer side end faces of the second embedded and fixed blocks 131, the embedded and fixed plates 134 are symmetrically installed on the left side and the right side of the second embedded and fixed blocks 131, the second embedded and fixed blocks 131 are provided with five pieces and embedded in the surfaces of the embedded and fixed plates 134 in a crossed mode, and when the embedded and fixed plates 134 are pressed inwards by the rubber blocks 132 under stress, the second embedded and fixed blocks 131 on the left side and the right side can be closed towards the middle.
The specific use mode and function of the embodiment are as follows:
in the invention, because the tapered opening 313 and the rubber strip 312 are arranged in the one-way opening 231, and the tapered opening 313 is in a tapered penetrating design, when the device is not in a process of purifying and adsorbing, the elasticity of the rubber strip 312 can be used for keeping the fluidity of penetrating air of the tapered opening 313, and when the device adsorbs, the strong adsorption force can pull the rubber strip 312 inwards, so that the rubber blocks 132 embedded at the left side and the right side of the embedded plate 134 push the embedded plate 134 towards the middle, and the embedded plate 134 is pushed and simultaneously the second embedded block 131 embedded and clamped at the outer end face of the embedded plate 134 can be gradually embedded and closed, so that the one-way opening 231 is integrally formed into a closed end face, and the air pressure instability caused by the gap problem in the working process of the device is avoided.
The technical solutions of the present invention or similar technical solutions designed by those skilled in the art based on the teachings of the technical solutions of the present invention are all within the scope of the present invention to achieve the above technical effects.

Claims (6)

1. The air sterilization filter for glutamic acid fermentation structurally comprises a protective shell (1), a locking disc (2), an embedded connecting pipe (3) and a support (4), wherein the protective shell (1) is embedded and arranged right above the locking disc (2), the embedded connecting pipe (3) is embedded, clamped and installed at the left end and the right end of the lower end of the locking disc (2), the embedded connecting pipe (3) is embedded and fixedly installed right above the support (4), and the support (4) is embedded and arranged right below the protective shell (1); the method is characterized in that:
the protective shell (1) comprises a series hole (11), a filtering mechanism (12) and an embedded pipe (13), wherein the series hole (11) is formed in the inner side end face of the embedded pipe (13), the filtering mechanism (12) is embedded and arranged right above the embedded pipe (13), and the outer side end face of the embedded pipe (13) is connected with the embedded pipe (3) through welding.
2. The air sterilization filter in glutamic acid fermentation as claimed in claim 1, wherein said filtering mechanism (12) comprises a filter element (121), an arc block (122), a cooling device (123), and a filter screen port (124), said filter element (121) is embedded and fastened to be installed right above the arc block (122), said arc block (122) is symmetrically installed at left and right sides of lower end of the cooling device (123), said cooling device (123) is embedded and installed right above the filter screen port (124), and said filter screen port (124) is located right below the filter element (121).
3. The air sterilization filter in glutamic acid fermentation as claimed in claim 2, wherein the cooling device (123) comprises a one-way opening (231), a second filter element (232), an adsorption cotton sliver (233), an air inlet (234) and a hollow tube (235), the one-way opening (231) is symmetrically installed at the left and right ends of the second filter element (232), the left and right end faces of the second filter element (232) are fixedly embedded with the adsorption cotton sliver (233), the adsorption cotton sliver (233) is symmetrically installed at the left and right sides of the upper end of the air inlet (234), the air inlet (234) is embedded in the lower end face of the cooling device (123), and the hollow tube (235) is wrapped at the outer end face of the second filter element (232).
4. The air sterilization filter in glutamic acid fermentation, the absorption cotton sliver (233) is including inlaying even mouth (331), cotton (332) absorb water, fixed pipe (333), leakage opening (334), infiltration cardboard (335), inlay even mouth (331) and inlay the block and install the left side terminal surface at cotton (332) absorb water, cotton (332) absorb water is located the inboard terminal surface that absorbs cotton sliver (233), fixed pipe (333) laminating parcel is at the outside terminal surface that absorbs cotton sliver (233), leakage opening (334) are inlayed and are located the left side top of infiltration cardboard (335), infiltration cardboard (335) are located the right side of leakage opening (334).
5. The air sterilization filter in glutamic acid fermentation as claimed in claim 3, wherein the one-way port (231) comprises an adsorption magnetic block (311), a rubber strip (312), a tapered port (313), and an embedding block (314), the outer end surface of the adsorption magnetic block (311) is embedded and clamped with the rubber strip (312), the outer side surface of the lower end of the rubber strip (312) is embedded and clamped with the embedding block (314), the tapered port (313) is embedded and arranged on the inner end surface of the rubber strip (312), and the embedding blocks (314) are embedded and fixed at the left and right sides of the lower end of the adsorption magnetic block (311).
6. The air sterilization filter for glutamic acid fermentation, as claimed in claim 5, wherein the tapered opening (313) comprises a second embedding and fixing block (131), a rubber block (132), a rubber filling block (133) and an embedding plate (134), the second embedding and fixing block (131) is embedded in the inner end face of the embedding and fixing plate (134) in a crossing manner, the inner end face of the rubber block (132) is embedded and connected with the embedding and fixing plate (134), the rubber filling block (133) is embedded and fixed on the outer end face of the second embedding and fixing block (131), and the embedding and fixing plates (134) are symmetrically installed on the left side and the right side of the second embedding and fixing block (131).
CN202011169254.8A 2020-10-28 2020-10-28 Air sterilization filter in glutamic acid fermentation Withdrawn CN112370874A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011169254.8A CN112370874A (en) 2020-10-28 2020-10-28 Air sterilization filter in glutamic acid fermentation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011169254.8A CN112370874A (en) 2020-10-28 2020-10-28 Air sterilization filter in glutamic acid fermentation

Publications (1)

Publication Number Publication Date
CN112370874A true CN112370874A (en) 2021-02-19

Family

ID=74577206

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011169254.8A Withdrawn CN112370874A (en) 2020-10-28 2020-10-28 Air sterilization filter in glutamic acid fermentation

Country Status (1)

Country Link
CN (1) CN112370874A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112178959A (en) * 2020-09-24 2021-01-05 北京中瑞名扬广告有限公司 Intelligent temperature step heat storage type solar water heater
CN113680144A (en) * 2021-07-20 2021-11-23 李春英 Biological fermentation air multistage filtration sterilization equipment

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112178959A (en) * 2020-09-24 2021-01-05 北京中瑞名扬广告有限公司 Intelligent temperature step heat storage type solar water heater
CN112178959B (en) * 2020-09-24 2021-12-31 山东华宝太阳能设备有限公司 Intelligent temperature step heat storage type solar water heater
CN113680144A (en) * 2021-07-20 2021-11-23 李春英 Biological fermentation air multistage filtration sterilization equipment

Similar Documents

Publication Publication Date Title
CN112370874A (en) Air sterilization filter in glutamic acid fermentation
CN204816139U (en) Tube -shape complex function filter screen for air purification
CN204582894U (en) Purification of air tabular complex function filter screen
WO2016201669A1 (en) Microbial filter bed apparatus
CN213610399U (en) Air filter with deodorization function
CN206924517U (en) A kind of high efficiency screen pack of air cleaner
CN213668414U (en) Air filter
CN205667781U (en) A kind of multilayer economic benefits and social benefits folder carbon cloth filter
CN211985915U (en) Functional dressing
CN112880093A (en) Air treatment equipment with sterilization and peculiar smell removal functions
CN210356080U (en) Production system for treating toluene tail gas generated by plant growth regulator 2, 4-dichlorophenoxyacetic acid device
CN108583226B (en) Roof-suction type sterilizing air purifier for vehicle
CN215232741U (en) A filtering mechanism for air purification device
CN207407448U (en) Vertical runner dehumidifier
CN218197845U (en) Adsorption structure for removing harmful gas
CN216693856U (en) Indoor clean purification ventilation unit
CN211676752U (en) Filter bag mounting pipeline for dust removing equipment
CN211513759U (en) Household room air purification system
CN215822717U (en) A deodorizing device that is used for tetrahydrothiophene storage tank of natural gas field station to breathe mouth
CN117085461B (en) Oxygen generation system for dewatering ultra-low leakage point
CN112370884A (en) Air filtering equipment for environmental protection engineering
CN216878414U (en) Fresh air fan filter element based on nano silver nuclear pore membrane
CN221815548U (en) Filter cloth with fixed knot constructs
CN213168971U (en) Silica gel desiccant dehumidification box
CN216755764U (en) Novel air filter element

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WW01 Invention patent application withdrawn after publication

Application publication date: 20210219

WW01 Invention patent application withdrawn after publication