CN116617789B - Polluted air purifying equipment - Google Patents
Polluted air purifying equipment Download PDFInfo
- Publication number
- CN116617789B CN116617789B CN202310904903.1A CN202310904903A CN116617789B CN 116617789 B CN116617789 B CN 116617789B CN 202310904903 A CN202310904903 A CN 202310904903A CN 116617789 B CN116617789 B CN 116617789B
- Authority
- CN
- China
- Prior art keywords
- wall
- rings
- outer walls
- pipes
- plates
- 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.)
- Active
Links
- 238000004887 air purification Methods 0.000 claims abstract description 26
- 230000001360 synchronised effect Effects 0.000 claims description 15
- 230000007246 mechanism Effects 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 9
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 238000004868 gas analysis Methods 0.000 abstract description 2
- 239000002912 waste gas Substances 0.000 description 15
- 239000007789 gas Substances 0.000 description 12
- 230000000694 effects Effects 0.000 description 11
- 238000000746 purification Methods 0.000 description 8
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 6
- 238000009434 installation Methods 0.000 description 5
- 238000007789 sealing Methods 0.000 description 5
- 238000001914 filtration Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 239000006233 lamp black Substances 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000003463 adsorbent Substances 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 235000019645 odor Nutrition 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
- B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
- B01D46/2411—Filter cartridges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/88—Replacing filter elements
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The application provides a polluted air purifying device. A polluted air purification apparatus comprising: the movable plate and install the purifying cylinder at movable plate top, its characterized in that, the opening is all established to purifying cylinder's both sides, the equal fixed mounting in both sides of purifying cylinder has the end cover, two fixed mounting has intake pipe and outlet duct on the outer wall of one side that the end cover kept away from each other respectively, be connected with the buffer memory jar on the one end of intake pipe, install gas analysis appearance on the buffer memory jar, be connected with on the outer wall of one side of buffer memory jar and gather the gas bucket, corresponding install negative pressure fan on the outer wall of one side of end cover, negative pressure fan with the outlet duct is connected, the rotary rod is installed to the purifying cylinder internal rotation, fixed cover is equipped with the mounting bracket on the rotary rod, fixed mounting has three connecting pipes in the mounting bracket. The polluted air purifying device provided by the application has the advantages of convenience in operation and multi-channel targeted air purification.
Description
Technical Field
The application relates to the technical field of air purification, in particular to polluted air purification equipment.
Background
The polluted air is produced by human activities or natural processes, certain substances enter the air, the polluted air presents enough concentration and reaches enough time, and therefore, the phenomenon of human comfort, health and welfare or environment is endangered, common pollution is dust, haze and the like, and some production waste gases also contain certain pungent odors, such as formaldehyde gas, industrial waste gases and the like, so that the polluted air is prevented from damaging human bodies at present, and impurities in the polluted air are filtered through air purifying equipment.
The common household air purification equipment in the prior society is single-channel purification, in the operation process, no matter what kind of impurity polluted air is introduced into a filter cartridge in the equipment, air is filtered through a plurality of filter layers and the like in the filter cartridge, but a certain disadvantage exists in such a mode, as different kinds of air pollution needs different adsorbents to absorb, the effect to the greatest extent can be achieved, such as formaldehyde and the like needs to be absorbed, daily lampblack smell needs to be adsorbed through a plurality of fresheners, and the types of common active carbon materials are different and have different effects, so that the prior purification equipment can be provided with multiple filter layers in the filter cartridge, and the single-channel purification mode is realized no matter what polluted air passes through the multiple filter layers in the filter cartridge, although the polluted air can be purified, the effect is lower, the focus purification cannot be carried out on the single air, and the active carbon adsorption layer has poor adsorption effect on lampblack when lampblack is polluted through, but the service life of the active carbon adsorption layer is consumed, and the conventional purification equipment is short in the time and frequent use period of the filter cartridge in the prior market.
Accordingly, there is a need to provide a polluted air purification apparatus that solves the above-mentioned technical problems.
Disclosure of Invention
The application solves the technical problem of providing the polluted air purifying equipment which is convenient to operate and can carry out air purification in a multi-channel targeted manner.
In order to solve the above technical problems, the present application provides a polluted air purification apparatus, comprising: the movable plate and install the purifying drum at the movable plate top, the opening is all established to the both sides of purifying drum, the equal fixed mounting in both sides of purifying drum has the end cover, all fixed mounting has intake pipe and outlet duct on the one side outer wall that two end covers kept away from each other, be connected with the buffer memory jar on the one end of intake pipe, install gas analysis appearance on the buffer memory jar, be connected with the gas gathering bucket on the one side outer wall of buffer memory jar, install negative pressure fan on the one side outer wall of corresponding end cover, negative pressure fan is connected with the outlet duct, the rotary rod is installed in the purifying drum rotation, fixed cover is equipped with the mounting bracket on the rotary rod, fixed mounting has three to take over in the mounting bracket, all be provided with the cartridge filter in the three take over, all fixed mounting has the wind scoop on the both ends of three cartridge filter, all fixed mounting has solid fixed ring on the outer wall of three wind scoop of same one side, all fixed mounting has two lugs on the outer wall of three wind scoop of opposite side, all install in corresponding linking pipe through mounting mechanism, all be provided with stop gear on intake pipe and the outlet duct, all fixed mounting is connected cover on the both ends of three take over.
Preferably, a side case is fixedly arranged on the outer wall of one side of the corresponding end cover, one end of the rotary rod penetrates through the corresponding end cover and extends into the side case, a driven tooth is fixedly sleeved on the outer wall of the rotary rod, a driving tooth is rotatably arranged in the side case, and the driving tooth and the driven tooth are meshed with each other.
Preferably, any one of the mounting mechanisms comprises a circular ring and two mounting rings, wherein the circular ring and the two mounting rings are fixedly mounted on the inner wall of the connecting pipe, two limiting rods are fixedly mounted on the circular ring, the two limiting rods penetrate through corresponding lugs and are in sliding connection with the corresponding lugs, and a plurality of bolts are movably mounted on the three fixing rings.
Preferably, the two limiting mechanisms comprise external thread pipes, the two external thread pipes are respectively rotatably mounted on the outer walls of the air inlet pipe and the air outlet pipe, thread sleeves are respectively sleeved on the two external thread pipes, air guide pipes are respectively fixedly mounted on the outer walls of the two thread sleeves, the straight rod extends into the limiting cylinder, and rubber sealing rings are respectively arranged on the outer walls of the two air guide pipes.
Preferably, two connecting frames are fixedly installed on the inner wall of the purifying cylinder, rotating shafts are rotatably installed on the two connecting frames, synchronous belt wheels II are fixedly sleeved on the outer walls of the two rotating shafts, synchronous belt wheels I are fixedly sleeved on the outer walls of the two external threaded pipes, driving belts I are fixedly sleeved on the corresponding synchronous belt wheels II, two shaft rods are rotatably installed on the two connecting frames, and the two shaft rods are connected with the corresponding rotating shafts through steering connecting parts.
Preferably, the outer wall of the purifying cylinder is fixedly provided with an outer box, the outer walls of the two shaft rods are fixedly sleeved with driving teeth, and the two driving teeth are meshed with each other.
Preferably, any one of the mounting mechanisms comprises a supporting ring and two positioning rings, wherein the supporting ring and the two positioning rings are fixedly mounted on the inner wall of the connecting pipe, two sliding rods are fixedly mounted on the outer wall of one side of the supporting ring, the two sliding rods penetrate through two lugs and are in sliding connection with the two lugs respectively, two sliding frames are slidably mounted on the outer wall of one side of the supporting ring, springs are arranged in the two sliding frames, four grooves are formed in the outer wall of one side of the supporting ring, supporting contacts are arranged in the four grooves, two clamping bins are fixedly mounted on the fixing ring, and embedded blocks are slidably mounted in the two clamping bins.
Preferably, two clamping grooves are formed in one side of each of the two positioning rings in any one connecting pipe, a fixing plate is fixedly installed in any one clamping bin, spring plates are slidably installed on the outer walls of two sides of the fixing plate, two embedded blocks are fixedly installed on the outer walls of one sides of the two spring plates respectively, adjusting plates are fixedly installed on the outer walls of one sides of the two spring plates, one sides of the two adjusting plates extend out of the clamping bin, and a pressure spring is arranged between the fixing plate and the two spring plates.
Preferably, the top fixed mounting of movable plate has the base case, equal fixed mounting has the limit storehouse on the both sides outer wall of base case, slidable mounting has the contact panel in the base case, slidable mounting has two slip pinion racks in the base case, one side of two slip pinion racks extends to respectively in two limit warehouses, be provided with two articulated plates in the base case, the top of two articulated plates all rotates with the bottom of contact panel to be connected, the bottom of two articulated plates rotates with the top of two slip pinion racks respectively to be connected, the rotary mounting has two connecting axles in the base case, all fixed cover is equipped with the gear on two connecting axles, two gears mesh with two slip pinion racks respectively.
Preferably, an adjusting box is fixedly installed on the outer wall of one side of the bottom box, one ends of the two connecting shafts extend into the adjusting box, two steering teeth are arranged in the adjusting box, two first belt pulleys and two second belt pulleys are arranged in the adjusting box, and a second transmission belt is sleeved on each of the two first belt pulleys and the corresponding second belt pulley.
Compared with the related art, the polluted air purifying equipment provided by the application has the following beneficial effects:
the application provides a polluted air purifying device, when polluted air is purified, waste gas is pre-stored through a buffer tank, the components of the waste gas are detected by means of a gas analyzer, and different filter cartridges are changed according to the main components of the waste gas for filtering, so that the filtering effect can be improved, the condition that the service lives of other filter cartridges are influenced can not occur, compared with the conventional purifying device, the polluted air purifying device not only can directionally carry out targeted air purification, and the efficiency and the effect of air purification are improved, but also the service life of the filter cartridges is prolonged to a certain extent.
Drawings
FIG. 1 is a schematic view of a first embodiment of a polluted air purification apparatus provided by the present application;
FIG. 2 is a schematic rear view of the structure shown in FIG. 1;
FIG. 3 is a schematic top view of the purification cartridge of FIG. 1;
FIG. 4 is a schematic side cross-sectional structural view of the purification cartridge shown in FIG. 1;
FIG. 5 is a schematic view showing the connection state of the mounting bracket and the connecting pipe shown in FIG. 1;
FIG. 6 is a schematic side view of the mounting bracket of FIG. 1;
FIG. 7 is a schematic cross-sectional exploded view of the adapter shown in FIG. 1;
FIG. 8 is a schematic side cross-sectional view of the air duct of FIG. 1;
FIG. 9 is a top cross-sectional structural plan view of the purification cartridge shown in FIG. 1
Fig. 10 is a schematic side view of the filter cartridge of fig. 1;
FIG. 11 is a schematic view of a second embodiment of a polluted air purification apparatus provided by the present application;
FIG. 12 is an enlarged schematic view of portion A of FIG. 11;
FIG. 13 is an enlarged schematic view of portion B shown in FIG. 11;
FIG. 14 is a schematic elevational, cross-sectional, structural view of the retaining ring of FIG. 11;
FIG. 15 is a schematic view of a third embodiment of a polluted air purification apparatus provided by the present application;
FIG. 16 is a schematic view showing a connection state of the bottom case and the purifying cartridge shown in FIG. 15;
FIG. 17 is a schematic cross-sectional side view of the bottom box of FIG. 15;
fig. 18 is a schematic side cross-sectional structural view of the adjustment box shown in fig. 15.
Reference numerals in the drawings: 1. a moving plate; 2. a support frame; 3. a purifying cylinder; 4. an end cap; 5. an air inlet pipe; 6. an air outlet pipe; 7. a negative pressure fan; 8. a cache tank; 9. a gas analyzer; 10. a gas gathering hopper; 11. a side case; 12. a rotating rod; 13. driven teeth; 14. a driving tooth; 15. a mounting frame; 16. a connecting pipe; 17. a connection cover; 18. a mounting ring; 19. a circular ring; 20. a limit rod; 21. a fixing ring; 22. a wind scoop; 23. a lug; 24. a filter cartridge; 25. an external threaded tube; 26. a thread sleeve; 27. an air guide pipe; 28. a synchronous pulley I; 29. a connecting frame; 30. an outer case; 31. a rotating shaft; 32. a synchronous belt pulley II; 33. a first bevel gear; 34. a shaft lever; 35. a second bevel gear; 36. a drive tooth; 37. a positioning ring; 38. a collision ring; 39. a slide bar; 40. clamping the bin; 41. a groove; 42. a carriage; 43. a contact; 44. a clamping groove; 45. a fixing plate; 46. a spring plate; 47. an embedded block; 48. an adjusting plate; 49. clamping the hoop; 50. a bottom box; 51. a side bin; 52. an adjusting box; 53. sliding toothed plates; 54. a hinged plate; 55. a touch panel; 56. a connecting shaft; 57. a gear; 58. a first belt pulley; 59. steering teeth; 60. and a belt pulley II.
Detailed Description
The application will be further described with reference to the drawings and embodiments.
First embodiment
Referring to fig. 1 to 9 in combination, in a first embodiment of the present application, a polluted air purification apparatus includes: the device comprises a moving plate 1 and a purifying cylinder 3 arranged at the top of the moving plate 1, wherein four universal wheels are fixedly arranged at the bottom of the moving plate 1 and distributed in a rectangular array, the device is convenient to move through the four universal wheels, two sides of the purifying cylinder 3 are provided with openings, two sides of the purifying cylinder 3 are fixedly provided with end covers 4, one outer wall of one side of the corresponding end cover 4 is rotatably provided with a sealing cover for replacing a filtering cylinder 24, the top of the moving plate 1 is fixedly provided with two supporting frames 2, the purifying cylinder 3 is fixedly arranged on the two supporting frames 2, one outer wall of one side of the two end covers 4, which is far away from each other, is fixedly provided with an air inlet pipe 5 and an air outlet pipe 6, one end, which is close to each other, of the air inlet pipe 5 and the air outlet pipe 6 extends into the two end covers 4, one end of the air inlet pipe 5 is connected with a cache tank 8, one end of the air inlet pipe 5 extends into the cache tank 8, a valve is arranged between the air inlet pipe 5 and the buffer tank 8, a gas analyzer 9 is arranged on the buffer tank 8, a gas collecting hopper 10 is connected on the outer wall of one side of the buffer tank 8, a filter screen is fixedly arranged on the inner wall of the gas collecting hopper 10, a negative pressure fan 7 is arranged on the outer wall of one side of the corresponding end cover 4, a transverse plate is fixedly arranged on the outer wall of one side of the end cover 4, the negative pressure fan 7 is fixedly arranged at the top of the transverse plate, the negative pressure fan 7 is connected with the air outlet pipe 6, a hose is fixedly arranged on the air inlet of the negative pressure fan 7, one end of the hose is connected with one end of the air outlet pipe 6, a rotary rod 12 is rotatably arranged in the purifying cylinder 3, two ends of the rotary rod 12 are respectively connected with the inner wall of one side, close to each other, of the two end covers 4, a mounting bracket 15 is fixedly sleeved on the rotary rod 12, the mounting bracket 15 is composed of three circular sleeves, the three circular sleeves are distributed in an annular array, three connecting pipes 16 are fixedly installed in the installation frame 15, the three connecting pipes 16 are respectively and fixedly installed on the inner walls of the three sleeves, the lengths of the connecting pipes 16 are far longer than those of the sleeves, filter cylinders 24 are arranged in the three connecting pipes 16, wind scoops 22 are fixedly installed at two ends of the three filter cylinders 24, fixing rings 21 are fixedly installed on the outer walls of the three wind scoops 22 on the same side, two lugs 23 are fixedly installed on the outer walls of the three wind scoops 22 on the other side, the two lugs 23 on any wind scoop 22 are symmetrically arranged based on dots of the wind scoop 22, round through holes are formed in any lug 23, the three filter cylinders 24 are installed in the corresponding connecting pipes 16 through installation mechanisms, limiting mechanisms are arranged on the air inlet pipes 5 and the air outlet pipes 6, connecting covers 17 are fixedly installed at two ends of the three connecting pipes 16, and the inner walls of the six connecting covers 17 are inclined conical as shown in the combination of fig. 5.
The side case 11 is fixedly installed on the outer wall of one side of the corresponding end cover 4, one end of the rotary rod 12 penetrates through the corresponding end cover 4 and extends into the side case 11, the driven tooth 13 is fixedly sleeved on the outer wall of the rotary rod 12, the driving tooth 14 is rotatably installed on the side case 11, the diameter of the driving tooth 14 is larger than that of the driven tooth 13, the driving motor I is fixedly installed on the outer wall of one side of the side case 11, the output shaft of the driving motor I extends into the side case 11, the driving tooth 14 is fixedly sleeved on the output shaft of the driving motor I, and the driving tooth 14 is meshed with the driven tooth 13.
Any one installation mechanism all includes ring 19 and two collar 18, two collar 18 present the arc, a plurality of bolt holes have all been seted up on two collar 18, ring 19 and two collar 18 all fixed mounting are on the inner wall of connecting pipe 16, ring 19 and two collar 18 are based on the midpoint symmetry setting of connecting pipe 16, fixed mounting has two gag lever posts 20 on ring 19, two gag lever posts 20 are based on the dot symmetry setting of ring 19, two gag lever posts 20 all run through corresponding lug 23 and with its sliding connection, a plurality of bolts of equal movable mounting have on the three solid fixed ring 21, through the cooperation of a plurality of bolts and a plurality of bolt holes, realize the location to wind scoop 22 and cartridge filter 24.
The two limiting mechanisms comprise external thread pipes 25, the two external thread pipes 25 are respectively and rotatably arranged on the outer walls of the air inlet pipe 5 and the air outlet pipe 6, the two external thread pipes 25 are respectively positioned in the two end covers 4, thread sleeves 26 are sleeved on the two external thread pipes 25, air guide pipes 27 are fixedly arranged on the outer walls of the two thread sleeves 26, one side of each air guide pipe 27 is provided with an opening, the outer walls of the air guide pipes 27 are provided with inclined conical shapes, the outer walls of the air guide pipes 27 are matched with the inner walls of the connecting covers 17, straight rods are fixedly arranged on one sides of the air guide pipes 27 so as to prevent the air guide pipes 27 and the thread sleeves 26 from rotating along with the external thread pipes 25, limiting cylinders are fixedly arranged on the inner walls of one sides of the end covers 4, the straight rods extend into the limiting cylinders, and rubber sealing rings are arranged on the outer walls of the two air guide pipes 27.
The inner wall of the purifying cylinder 3 is fixedly provided with two connecting frames 29, the two connecting frames 29 are respectively provided with a rotating shaft 31 in a rotating mode, the two connecting frames 29 are in a shape like a letter T, the two rotating shafts 31 are horizontally arranged, the outer walls of the two rotating shafts 31 are respectively fixedly sleeved with a synchronous pulley II 32, the outer walls of the two external threaded pipes 25 are respectively fixedly sleeved with a synchronous pulley II 28, the two synchronous pulleys II 28 and the corresponding synchronous pulleys II 32 are respectively sleeved with a transmission belt II, the two connecting frames 29 are rotatably provided with two shaft rods 34, the two shaft rods 34 are vertically arranged, one ends of the two shaft rods 34 are respectively extended out of the purifying cylinder 3, the two shaft rods 34 are respectively connected with the corresponding rotating shafts 31 through steering connecting parts, each steering connecting part comprises a first bevel gear 33 and a second bevel gear 35, the first bevel gear 33 is fixedly arranged at one end of the rotating shafts 31, the second bevel gear 35 is fixedly arranged at one end of the shaft rods 34, and the first bevel gear 33 and the second bevel gear 35 are mutually meshed.
The outer wall of the purifying cylinder 3 is fixedly provided with an outer box 30, one ends of two shaft rods 34 extend into the outer box 30 and are rotationally connected with one side inner wall of the outer box 30, driving teeth 36 are fixedly sleeved on the outer walls of the two shaft rods 34, the two driving teeth 36 are meshed with each other, one side outer wall of the outer box 30 is fixedly provided with a driving motor II, and the corresponding shaft rods 34 further extend out of the outer box 30 and are fixedly connected with an output shaft of the driving motor II.
In this embodiment:
when the polluted air is purified, firstly, the waste gas is introduced into the air inlet pipe 5 through the air collecting hopper 10, the waste gas enters the cache tank 8 through the air inlet pipe 5, the gas analyzer 9 is started to identify the components of the waste gas, the filter cartridge 24 is determined to be replaced or not according to the components of the waste gas, if the filter cartridge 24 is not required to be replaced, after the valve is opened, the waste gas is filtered through the filter cartridge 24, and finally, the waste gas is discharged from the air outlet pipe 6.
When the filter cartridge 24 needs to be replaced, the second driving motor starts the output shaft to rotate to drive the corresponding shaft rod 34 to rotate, so as to drive the two driving teeth 36 to rotate, and then drive the two bevel teeth 35 to rotate, so that the first bevel teeth 33 and the two rotating shafts 31 rotate, the two rotating shafts 31 rotate to drive the two synchronous pulleys 32 to rotate, the first synchronous pulleys 28 and the two external threaded pipes 25 rotate under the transmission of the first driving belt, so that the two threaded sleeves 26 and the two air guide pipes 27 are separated from each other, the two air guide pipes 27 are separated from the two connecting covers 17 respectively, the two air guide pipes 27 are moved into the two end covers 4 respectively, then the first driving motor is started to drive the driving teeth 14 to rotate, so that the driven teeth 13 and the rotating rods 12 are driven to rotate, the rotating rods 12 rotate to drive the mounting brackets 15 to rotate the three connecting pipes 16, and at the moment, the connecting pipes 16 which are most suitable for absorbing the waste gas of the type are rotated to positions corresponding to the two air guide pipes 27 according to the component types of polluted air.
And then the driving motor is closed and the driving motor II is reversely started, through the reverse transmission, the two air guide pipes 27 are finally moved in opposite directions and finally respectively enter the corresponding two connecting covers 17, the rubber sealing rings on the outer walls of the two air guide pipes 27 can fully ensure the sealing effect after being fully extruded, and at the moment, the waste gas can be discharged through the air outlet pipe 6 after being fully adsorbed through the filter cylinder 24 at the pneumatic valve.
In the process of replacing the filter cartridge 24, after the cover on the corresponding end cap 4 is opened, the bolts on the fixing ring 21 can be disassembled by means of a tool, and finally the filter cartridge 24 is taken out of the connecting tube 16, and during installation, the filter cartridge 24 is pushed in after the two lugs 23 respectively face the two limit rods 20, and after the filter cartridge is completely pushed in, the filter cartridge is fixed by the bolts.
Compared with the related art, the polluted air purifying equipment provided by the application has the following beneficial effects:
when purifying polluted air, prestore waste gas through the buffer tank 8 to detect the composition of waste gas with the help of the gas analyzer 9, to and change different cartridge filter 24 according to the main component of waste gas and be used for filtering, so not only can improve filterable effect, and can not appear influencing other filter layer life-span's condition, compare in the clarification plant that is commonly used at present, not only can directional carry out pertinence air purification, improve air purification's efficiency and effect, improved cartridge filter 24's life to a certain extent simultaneously.
Second embodiment:
based on the polluted air purification apparatus provided by the first embodiment of the present application, the second embodiment of the present application proposes another polluted air purification apparatus. The second embodiment is merely a preferred mode of the first embodiment, and differs from the first embodiment in that the constitution of the mounting mechanism is different, and the implementation of the second embodiment does not affect the single implementation of the first embodiment.
A second embodiment of the present application will be further described with reference to the drawings and embodiments.
Referring to fig. 9 to 14 in combination, the polluted air purification apparatus includes: any one of the mounting mechanisms comprises an abutting ring 38 and two positioning rings 37, the abutting ring 38 and the two positioning rings 37 are fixedly mounted on the inner wall of the connecting pipe 16, the two positioning rings 37 are arc-shaped, the two positioning rings 37 are symmetrically arranged based on dots of the connecting pipe 16, the two positioning rings 37 and the abutting ring 38 are symmetrically arranged based on the middle point of the connecting pipe 16, two sliding rods 39 are fixedly mounted on one side outer wall of the abutting ring 38, the two sliding rods 39 penetrate through the two lugs 23 respectively and are in sliding connection with the two lugs, two sliding frames 42 are slidably mounted on one side outer wall of the abutting ring 38, the two sliding frames 42 are in a shape like Chinese characters , springs are arranged in the two sliding frames 42, one ends of the two springs are fixedly connected with one side of the two sliding frames 42 respectively, the other ends of the two springs are fixedly connected with one side of the abutting ring 38, four grooves 41 are formed in the outer wall of one side of the abutting ring 38, two ends of the two sliding frames 42 extend into four grooves 41 respectively, the two ends of the two sliding frames 42 are fixedly connected with two clamping blocks 40 respectively, and two clamping blocks 40 are fixedly embedded in the two bins 40 are fixedly connected with one side of the two clamping frames 40.
Two clamping grooves 44 are formed in one side of each of the two positioning rings 37 in any one connecting tube 16, four clamping grooves 44 are formed in two side end faces of each of the two positioning rings 37 respectively, as shown in fig. 14, fixing plates 45 are fixedly mounted in any one clamping bin 40, spring plates 46 are slidably mounted on two side outer walls of the fixing plates 45, cross bars are fixedly mounted on two sides of the fixing plates 45 and on two side inner walls of the clamping bin 40 respectively, the two cross bars penetrate through the two spring plates 46 and are slidably connected with the two spring plates 46 respectively, two embedded blocks 47 are fixedly mounted on one side outer walls of the two spring plates 46 respectively, adjusting plates 48 are fixedly mounted on one side outer walls of the two spring plates 46 respectively, one sides of the two adjusting plates 48 extend out of the clamping bin 40 respectively, clamping hoops 49 are sleeved on the two adjusting plates 48, the distance between the two adjusting plates 48 cannot be changed, pressure springs are arranged between the fixing plates 45 and the two spring plates 46, one ends of the two pressure springs are fixedly connected with one side outer walls of the two spring plates 46 respectively, and the other ends of the two pressure springs are fixedly connected with the two outer walls of the two spring plates 45 respectively.
In this embodiment:
in order to be more rapid to change the filter cartridge 24, the staff only needs to stretch into the purifying cylinder 3 after opening the closing cap during the change, then press two regulating plates 48 respectively, make two regulating plates 48 move in opposite directions, two embedding blocks 47 respectively have two draw-in grooves 44 to shift out during the removal of two regulating plates 48, just can establish on two regulating plates 48 through clamping hoop 49 cover this moment, thereby offset the elasticity that two pressure springs reset, remove the spacing back of two clamping storehouse 40 definite positioning ring 37 according to the above-mentioned mode, under the reset effect of spring, the carriage 42 can lateral shifting, thereby push out one end distance in by linking tube 16 with the filter cartridge 24, thereby make things convenient for the staff to take out the filter cartridge 24, and only need push in two lugs 23 respectively after subtending two slide bars 39 during the installation, can conflict head 43 after the filter cartridge 24 advances a certain degree, thereby make carriage 42 reverse movement and stretch two springs, make the spring be in the state of stretching energy storage, and get into the adapter tube 16 completely at 24, the clamping hoop 21 is followed by two clamping hoops 37, two clamping hoops 4 are realized in the quick change mode, thereby can be realized in the two clamping storehouse 24 is realized in the mode that two clamping hoops 21 need of two clamping hoops 37 are shifted out respectively, and two clamping storehouse 4 are shifted out respectively, thereby the convenient for the staff is realized.
Third embodiment:
based on the polluted air cleaning apparatuses provided by the first and second embodiments of the present application, the third embodiment of the present application proposes another polluted air cleaning apparatus. The third embodiment is merely a preferred manner of the second embodiment, and implementation of the third embodiment does not affect the implementation of the second embodiment alone.
A second embodiment of the present application will be further described with reference to the drawings and embodiments.
Referring to fig. 15-18 in combination, the polluted air purifying apparatus further includes a bottom box 50, the bottom box 50 is fixedly mounted at the top of the moving plate 1, the top of the bottom box 50 is opened, the top of the bottom box 50 is communicated with the purifying cylinder 3, side bins 51 are fixedly mounted on the outer walls of two sides of the bottom box 50, one sides of the two side bins 51, which are close to each other, are opened, the two side bins 51 are communicated with the bottom box 50, a contact panel 55 is mounted in the bottom box 50 in a sliding manner, four cylinders are fixedly mounted on the inner wall of the bottom box 50, vertical rods are slidably mounted in the four cylinders, tops of the four vertical rods are fixedly connected with the bottom of the contact panel 55, two sliding toothed plates 53 are slidably mounted in the bottom box 50, two side plates 53 are fixedly mounted on the inner walls of two sides of the bottom box 50, side plates are fixedly mounted on the outer walls of two sides of the two sliding toothed plates 53, one sides of the two sliding toothed plates 53 extend into the two side bins 51 respectively, two toothed plates 54 are slidably mounted in the bottom box 50, two curved plates 54 are rotatably mounted on the bottom plates 54, two curved plates 56 are rotatably mounted on the two curved plates 54 are rotatably connected with the two curved plates, and the two curved plates 56 are rotatably connected with the two curved plates 54, and the two curved plates are rotatably connected with the two curved plates 56 are rotatably connected with the bottom plates 55, and the two curved plates are rotatably connected with the curved plates 54, and the two curved plates are rotatably connected with the curved plates and the curved plates are respectively.
The outer wall of one side of the bottom box 50 is fixedly provided with an adjusting box 52, one ends of two connecting shafts 56 extend into the adjusting box 52, two steering teeth 59 are arranged in the adjusting box 52, the two steering teeth 59 are meshed with each other, the inner walls of the two sides of the adjusting box 52 are rotatably provided with transverse shafts, the two steering teeth 59 are fixedly sleeved on the two transverse shafts respectively, the outer wall of one side of the adjusting box 52 is fixedly provided with a driving motor III, an output shaft of the driving motor III extends into the adjusting box 52 and is fixedly connected with one end of the corresponding transverse shaft, two belt pulleys 58 and two belt pulleys 60 are arranged in the adjusting box 52, a transmission belt II is sleeved on the two belt pulleys 58 and the corresponding belt pulleys 60 respectively, the two belt pulleys 58 are fixedly sleeved on the two connecting shafts 56 respectively, and the two belt pulleys 60 are fixedly sleeved on the two transverse shafts respectively.
In this embodiment:
after adjusting the connecting tube 16, in order to fully limit the mounting frame 15, reduce the interference of three connecting tubes 16 to the air guide tubes 27 at two sides, simultaneously ensure that the situation that gas leakage is caused by no deviation when two connecting covers 17 are connected with two air guide tubes 27, after the first driving motor is closed, the third driving motor can be started after the position of the connecting tube 16 is determined, the rotation of the third driving motor starting output shaft drives two steering teeth 59 to rotate, thereby under the transmission of the second driving belt, the two belt pulleys 60 drive the two belt pulleys 58 and the two connecting shafts 56 to rotate, and because the two steering teeth 59 are meshed with each other, the two connecting shafts 56 rotate reversely, thereby rotating the two gears 57 reversely, further making the two sliding toothed plates 53 approach each other, at the moment, when the bottom ends of the two hinged plates 54 approach each other under the transmission of the two hinged plates 54, the top ends of the two hinged plates 54 gradually rise, thereby driving the contact panel 55 to move upwards, finally, the contact panel 55 and the mounting frame 15 are contacted with the two hinged plates, the positioning motor of the 15 is realized through the cambered surface groove on the contact panel 55, and the positioning motor needs to move downwards before the connecting tube 55 needs to be replaced in the three hinge plates 50.
The foregoing description is only illustrative of the present application and is not intended to limit the scope of the application, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present application.
Claims (7)
1. A polluted air purification apparatus comprising: the air purifying device is characterized in that openings are formed in two sides of the purifying cylinder, end covers are fixedly installed on two sides of the purifying cylinder, filter cylinders are arranged in the three connecting pipes, air inlet pipes and air outlet pipes are fixedly installed on two outer walls of one side, away from each other, of the end covers, a buffer tank is connected to one end of each air inlet pipe, a gas analyzer is installed on the buffer tank, a gas collecting hopper is connected to one outer wall of each buffer tank, a negative pressure fan is installed on one outer wall of the corresponding end cover, the negative pressure fan is connected with the air outlet pipe, a rotary rod is rotatably installed in the purifying cylinder, a mounting frame is fixedly sleeved on the rotary rod, three connecting pipes are fixedly installed in the mounting frame, filter cylinders are arranged in the three connecting pipes, fixing rings are fixedly installed on two ends of the three filter cylinders, two lugs are fixedly installed on the outer walls of the three air inlet pipes, two corresponding filter cylinders are installed on the outer walls of the two air inlet pipes, two guide rings are fixedly installed on the two outer walls of the two guide pipes, two guide rings are fixedly connected to the two guide sleeves, the two guide rings are fixedly installed on the two guide pipes are fixedly connected to the two outer walls of the two guide pipes, the two guide rings are fixedly connected to the two guide sleeves, the two guide rings are fixedly installed on the two guide rings are fixedly connected to the two guide rings, the two guide rings are fixedly connected to the two guide rings are arranged on the two guide rings, the guide rings are fixedly connected to the guide rings, the guide rings respectively, the threaded rings are fixedly connected to the two guide rings respectively, and the threaded rings are fixedly connected to the two guide rings, the two connecting frames are respectively provided with a rotating shaft in a rotating way, the outer walls of the rotating shafts are respectively fixedly sleeved with a synchronous pulley II, the outer walls of the external threaded pipes are respectively fixedly sleeved with a synchronous pulley I, the two synchronous pulleys I and the corresponding synchronous pulleys II are respectively sleeved with a transmission belt I, the two connecting frames are respectively provided with two shaft rods in a rotating way, the two shaft rods are respectively connected with the corresponding rotating shafts through steering connecting parts, the outer walls of the purifying cylinders are respectively fixedly provided with an outer box, the outer walls of the two shaft rods are respectively fixedly sleeved with driving teeth, the two driving teeth are mutually meshed, a driving motor II is fixedly arranged on one side outer wall of each outer box, and the corresponding shaft rods further extend out of the outer boxes and are fixedly connected with the output shafts of the driving motor II.
2. The polluted air purification apparatus as claimed in claim 1, wherein a side case is fixedly installed on an outer wall of one side of the corresponding end cap, one end of the rotary rod penetrates the corresponding end cap and extends into the side case, a driven tooth is fixedly sleeved on an outer wall of the rotary rod, a driving tooth is rotatably installed in the side case, and the driving tooth is engaged with the driven tooth.
3. The polluted air purification apparatus as claimed in claim 2, wherein any one of said mounting mechanisms comprises a circular ring and two mounting rings, said circular ring and said two mounting rings are fixedly mounted on the inner wall of said adapter tube, two limit rods are fixedly mounted on said circular ring, said two limit rods penetrate through corresponding said lugs and are slidably connected therewith, and a plurality of bolts are movably mounted on said three fixing rings.
4. The polluted air purification device as claimed in claim 1, wherein any one of said mounting mechanisms comprises a pressing ring and two positioning rings, said pressing ring and said two positioning rings are fixedly mounted on the inner wall of said connecting pipe, two sliding rods are fixedly mounted on the outer wall of one side of said pressing ring, said two sliding rods penetrate through said two lugs and are slidably connected with said two lugs, two sliding frames are slidably mounted on the outer wall of one side of said pressing ring, springs are disposed in said two sliding frames, four grooves are formed in the outer wall of one side of said pressing ring, contact members are disposed in said four grooves, two holding chambers are fixedly mounted on said fixing ring, and embedded blocks are slidably mounted in said two holding chambers.
5. The polluted air purification device as claimed in claim 4, wherein two clamping grooves are formed in one side of each of the two positioning rings in any one of the connecting pipes, a fixing plate is fixedly installed in any one of the clamping chambers, spring plates are slidably installed on outer walls of two sides of the fixing plate, two embedded blocks are fixedly installed on outer walls of one side of each of the two spring plates, an adjusting plate is fixedly installed on outer walls of one side of each of the two spring plates, one side of each of the two adjusting plates extends out of the clamping chamber, and a compression spring is arranged between each of the fixing plate and each of the two spring plates.
6. The polluted air purification device according to claim 1, wherein a bottom box is fixedly installed at the top of the moving plate, side bins are fixedly installed on the outer walls of two sides of the bottom box, a contact panel is slidably installed in the bottom box, two sliding toothed plates are slidably installed in the bottom box, one sides of the two sliding toothed plates extend into the two side bins respectively, two hinge plates are arranged in the bottom box, the top ends of the two hinge plates are rotatably connected with the bottoms of the contact panel, the bottom ends of the two hinge plates are rotatably connected with the tops of the two sliding toothed plates respectively, two connecting shafts are rotatably installed in the bottom box, gears are fixedly sleeved on the two connecting shafts, and the two gears are meshed with the two sliding toothed plates respectively.
7. The polluted air purification device as claimed in claim 6, wherein an adjusting box is fixedly installed on the outer wall of one side of the bottom box, one ends of the two connecting shafts extend into the adjusting box, two steering teeth are arranged in the adjusting box, two first belt pulleys and two second belt pulleys are arranged in the adjusting box, and a second transmission belt is sleeved on each of the two first belt pulleys and the corresponding second belt pulleys.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310904903.1A CN116617789B (en) | 2023-07-24 | 2023-07-24 | Polluted air purifying equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310904903.1A CN116617789B (en) | 2023-07-24 | 2023-07-24 | Polluted air purifying equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116617789A CN116617789A (en) | 2023-08-22 |
| CN116617789B true CN116617789B (en) | 2023-09-22 |
Family
ID=87621636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310904903.1A Active CN116617789B (en) | 2023-07-24 | 2023-07-24 | Polluted air purifying equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116617789B (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4012122A1 (en) * | 1990-04-14 | 1991-10-17 | Gok Gmbh & Co Kg | Gas filter with exchangeable filter insert - for gas bottle or container outlet pressure regulator |
| AR246192A1 (en) * | 1986-04-28 | 1994-07-29 | Internat Control Automation Fi | Filter assembly for a gas sampling system |
| CN103752138A (en) * | 2014-01-22 | 2014-04-30 | 北京嘉品源软件有限公司 | Waste gas filtering system and method |
| CN107596900A (en) * | 2017-11-05 | 2018-01-19 | 安徽万山红环保科技有限公司 | A kind of environment-protecting type exhaust air purifier |
| CN111006331A (en) * | 2019-12-10 | 2020-04-14 | 湖州吴兴翼猫科技发展有限公司 | Air purification device of formaldehyde removal |
| CN111643987A (en) * | 2020-06-10 | 2020-09-11 | 合肥新坞岩机械科技有限公司 | Waste gas filtering device for chemical equipment |
| JP3230133U (en) * | 2020-09-02 | 2021-01-14 | 蘇州百創達環保科技有限公司 | Industrial air dust purifier |
| CN113041780A (en) * | 2021-04-15 | 2021-06-29 | 苏州华碧微科检测技术有限公司 | Device for quickly removing toxic and harmful gas |
| CN113491918A (en) * | 2021-05-10 | 2021-10-12 | 江苏登封环保设备有限公司 | Dust recycling mechanism and filter cartridge dust remover |
| CN214406370U (en) * | 2021-01-27 | 2021-10-15 | 广州金鹏环保工程有限公司 | Rotary scanning type air purifier |
| CN113521937A (en) * | 2020-04-14 | 2021-10-22 | 骆用玲 | Atmosphere pollution prevention and control equipment |
| CN217688101U (en) * | 2022-05-27 | 2022-10-28 | 江苏中聚检测服务有限公司 | Gas collecting device for waste gas detection |
| CN218687779U (en) * | 2022-10-31 | 2023-03-24 | 山西通宇环保机械科技有限公司 | Air washer |
-
2023
- 2023-07-24 CN CN202310904903.1A patent/CN116617789B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AR246192A1 (en) * | 1986-04-28 | 1994-07-29 | Internat Control Automation Fi | Filter assembly for a gas sampling system |
| DE4012122A1 (en) * | 1990-04-14 | 1991-10-17 | Gok Gmbh & Co Kg | Gas filter with exchangeable filter insert - for gas bottle or container outlet pressure regulator |
| CN103752138A (en) * | 2014-01-22 | 2014-04-30 | 北京嘉品源软件有限公司 | Waste gas filtering system and method |
| CN107596900A (en) * | 2017-11-05 | 2018-01-19 | 安徽万山红环保科技有限公司 | A kind of environment-protecting type exhaust air purifier |
| CN111006331A (en) * | 2019-12-10 | 2020-04-14 | 湖州吴兴翼猫科技发展有限公司 | Air purification device of formaldehyde removal |
| CN113521937A (en) * | 2020-04-14 | 2021-10-22 | 骆用玲 | Atmosphere pollution prevention and control equipment |
| CN111643987A (en) * | 2020-06-10 | 2020-09-11 | 合肥新坞岩机械科技有限公司 | Waste gas filtering device for chemical equipment |
| JP3230133U (en) * | 2020-09-02 | 2021-01-14 | 蘇州百創達環保科技有限公司 | Industrial air dust purifier |
| CN214406370U (en) * | 2021-01-27 | 2021-10-15 | 广州金鹏环保工程有限公司 | Rotary scanning type air purifier |
| CN113041780A (en) * | 2021-04-15 | 2021-06-29 | 苏州华碧微科检测技术有限公司 | Device for quickly removing toxic and harmful gas |
| CN113491918A (en) * | 2021-05-10 | 2021-10-12 | 江苏登封环保设备有限公司 | Dust recycling mechanism and filter cartridge dust remover |
| CN217688101U (en) * | 2022-05-27 | 2022-10-28 | 江苏中聚检测服务有限公司 | Gas collecting device for waste gas detection |
| CN218687779U (en) * | 2022-10-31 | 2023-03-24 | 山西通宇环保机械科技有限公司 | Air washer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116617789A (en) | 2023-08-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210114948U (en) | Industrial waste gas high-efficiency treatment device | |
| CN211445045U (en) | Purification equipment for hydrogen | |
| CN116617789B (en) | Polluted air purifying equipment | |
| CN116358944B (en) | Sewage detection is with supplementary sampling device | |
| CN220214440U (en) | Movable desorption type activated carbon adsorption box | |
| CN210874481U (en) | Special sack cleaner in mine | |
| CN219091476U (en) | Smoke dust oil mist purifying device | |
| CN217163795U (en) | Zeolite runner adsorbs concentrated purifier | |
| CN116440551A (en) | Lubricating oil filtering and purifying system | |
| CN217312622U (en) | Waste gas treatment equipment for reclaimed rubber production and processing | |
| CN211394229U (en) | Ecological purifier in drinking water source ground | |
| CN214319477U (en) | Corrugated board production line is with dust collecting equipment that induced drafts | |
| CN216440230U (en) | RCO active carbon adsorption exhaust treatment device | |
| CN220834624U (en) | Gas purifying treatment device | |
| CN213885701U (en) | Compound exhaust treatment device | |
| CN214635121U (en) | Industrial waste gas purifying equipment | |
| CN117599568B (en) | Industrial waste gas multistage treatment device | |
| CN112432886B (en) | Testing device for automobile exhaust purifier | |
| CN221045763U (en) | Waste gas treatment adsorption equipment | |
| CN218047197U (en) | Activated carbon purifying equipment for hazardous waste incineration gas | |
| CN215516900U (en) | Full-automatic active carbon tower | |
| CN219722392U (en) | Waste gas adsorption device convenient to active carbon is changed | |
| CN114076377B (en) | Reliable intelligent air purification equipment | |
| CN220497277U (en) | Exhaust purification device for plastic particle production system | |
| CN220593695U (en) | Amino molding compound kneader |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20230822 Assignee: Shanxi Ruisi Technology Development Co.,Ltd. Assignor: Shanxi Tongyu Environmental Protection Machinery Technology Co.,Ltd. Contract record no.: X2024980005830 Denomination of invention: A type of polluted air purification equipment Granted publication date: 20230922 License type: Common License Record date: 20240515 |