CN113813887B - Salt aerosol generator for testing filtering efficiency of filter material - Google Patents
Salt aerosol generator for testing filtering efficiency of filter material Download PDFInfo
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- CN113813887B CN113813887B CN202111006522.9A CN202111006522A CN113813887B CN 113813887 B CN113813887 B CN 113813887B CN 202111006522 A CN202111006522 A CN 202111006522A CN 113813887 B CN113813887 B CN 113813887B
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- liquid
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- 239000000443 aerosol Substances 0.000 title claims abstract description 35
- 238000001914 filtration Methods 0.000 title claims abstract description 27
- 239000000463 material Substances 0.000 title claims abstract description 22
- 150000003839 salts Chemical class 0.000 title claims abstract description 21
- 238000012360 testing method Methods 0.000 title claims abstract description 21
- 239000007788 liquid Substances 0.000 claims abstract description 118
- 238000001514 detection method Methods 0.000 claims abstract description 14
- 238000002347 injection Methods 0.000 claims abstract description 11
- 239000007924 injection Substances 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims abstract description 4
- 238000005192 partition Methods 0.000 claims description 8
- 238000002955 isolation Methods 0.000 claims description 6
- 238000012423 maintenance Methods 0.000 claims 4
- 239000003814 drug Substances 0.000 abstract description 26
- 230000001133 acceleration Effects 0.000 abstract description 5
- 239000002245 particle Substances 0.000 description 21
- 238000000926 separation method Methods 0.000 description 14
- 239000003595 mist Substances 0.000 description 10
- 230000015572 biosynthetic process Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003897 fog Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- -1 haze Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
- B01J13/0095—Preparation of aerosols
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N15/0806—Details, e.g. sample holders, mounting samples for testing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N2015/084—Testing filters
Landscapes
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
- Nozzles (AREA)
Abstract
The invention discloses a salt aerosol generator for testing filtering efficiency of a filter material, which comprises a shell, wherein four corners of the lower end of the shell are fixedly provided with padding feet, the middle part of the right end of the shell is fixedly provided with a connecting pipe, the right end of the connecting pipe is provided with a nozzle, the right part of the upper end of the shell is fixedly provided with a liquid injection port, the upper end of the liquid injection port is in threaded connection with a sealing cover, the upper part of the right end of the shell is fixedly provided with a pressure detection meter, the input end of the pressure detection meter extends into the shell, and the middle part of the upper end of the shell is fixedly provided with two mounting seats which are bilaterally symmetrical. According to the salt aerosol generator for testing the filtering efficiency of the filter material, the liquid storage tank, the generating mechanism, the connecting pipe and the nozzle are arranged to form aerosol, the forming efficiency and quality of the aerosol are improved, the pre-acceleration function of high-speed air flow is realized by the arrangement of the funnel-shaped groove and the spiral air passage in a matched mode, and the forming efficiency of aerosol liquid medicine is further improved by the arrangement of the liquid return plate and the through hole.
Description
Technical Field
The invention relates to the technical field of aerosol generators, in particular to a salt aerosol generator for testing the filtering efficiency of a filter material.
Background
Aerosol generators are suspensions of liquid or solid particles in air. They can act as condensation nuclei (see atmospheric condensation nuclei, atmospheric ice nuclei) for water droplets and ice crystals, as absorbers and diffusers for solar radiation, and participate in various chemical cycles, and are an important component of the atmosphere. Mist, smoke, haze, fog, dust, smoke, etc., are all natural or artificial aerosols.
Principle of operation of a salt aerosol generator: compressed air or oxygen (driving force) passes through the fine nozzle with high-speed air flow, negative pressure is generated around the nozzle to carry liquid storage tank liquid medicine into the high-speed air flow according to Venturi effect, and the liquid storage tank liquid medicine is crushed into mist drops with different sizes, wherein more than 99% of mist drops are formed by large particles, the small mist drops which fall back into the liquid storage tank through interception and collision of the nozzle are sprayed out at high speed, and the collided particles are atomized again. The fine fog particles form aerosol liquid medicine particles in the air, the particle spectrum diameter is from 5 mu m to 100 mu m (determined by different nozzles), the particle size is stable, and the aerosol liquid medicine particles can float in the air for a long time.
In the existing salt aerosol generator for testing the filtering efficiency of the filter material, as the liquid storage tank is a certain value, the volume of compressed air in the liquid storage tank is larger and larger along with the consumption of the liquid medicine in the liquid storage tank, so that the pressure of high-speed air flow sprayed out from a nozzle is reduced, the output efficiency and quality of fog particles are reduced, the depth of the liquid medicine in the liquid storage tank is gradually reduced along with the consumption of the liquid medicine in the liquid storage tank, the contact area between the central part of the high-speed air flow and the liquid medicine is reduced, the amount of the liquid medicine carried by the high-speed air flow is reduced, and finally, the fog particles formed by the nozzle are reduced, so that the use requirement of the filtering efficiency test of the filter material cannot be met.
Disclosure of Invention
The invention mainly aims to provide a salt aerosol generator for testing the filtering efficiency of a filter material, which can effectively solve the problems in the background technology.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
the utility model provides a salt aerosol generator for filter material filtration efficiency test, includes the shell, equal fixed mounting in shell lower extreme four corners has the pad foot, shell right-hand member middle part fixed mounting has the connecting pipe, the connecting pipe right-hand member is provided with the nozzle, shell upper end right-hand member fixed mounting has the notes liquid mouth, annotate liquid mouth upper end threaded connection has sealed lid, shell right-hand member upper portion fixed mounting has pressure detection table, the pressure detection table input extends to the shell inside, shell upper end middle part fixed mounting has two bilateral symmetry's mount pad, two the common swing joint of mount pad upper end has the handle, shell left end upper portion is provided with generating mechanism, generating mechanism extends to the shell inside, shell front end left side lower part fixed mounting has operating panel, shell left side lower part has the access panel through bolted connection, the embedding of shell rear end right-hand member has the observation piece.
Preferably, the shell left end is opened there is the mounting groove, the mounting groove is located the access panel right side, mounting groove lower wall fixed mounting has the controller, the inside reservoir that opens of shell, the reservoir is cylindrical structure, the reservoir right wall is opened there is the funnel groove, the funnel inslot wall is opened there is spiral air flue, the funnel groove right-hand member communicates with each other with the connecting pipe, funnel inslot wall right part fixed mounting has the liquid board that returns, liquid board left end is opened there is a plurality of through-hole that link up about, a plurality of the through-hole is annular array distribution.
Preferably, the controller is electrically connected with the generating mechanism, the pressure detection meter and the operation panel.
Preferably, the inner wall of the liquid storage tank is provided with four sliding grooves, the four sliding grooves are distributed in an annular array, the length of each sliding groove is equal to that of the liquid storage tank, the rear part of the inner wall of the liquid storage tank is provided with an observation window groove, the upper part of the left wall of the liquid storage tank is provided with an opening, the left end face of the opening extends to the left end face of the shell, the upper part of the inner wall of the liquid storage tank is provided with a liquid inlet, and the liquid inlet is communicated with the liquid injection port.
Preferably, the generating mechanism comprises an electric push rod, the upper end of the electric push rod is fixedly connected with the upper wall of the mounting groove, the output end of the electric push rod penetrates through the right wall of the mounting groove and is fixedly provided with a separation plate, the separation plate is positioned in the liquid storage groove, four sliding blocks are fixedly arranged on the outer surface of the separation plate, the four sliding blocks are respectively and slidably connected with the four sliding grooves, the separation plate is of a left-thick-right-thin structure and is matched with the funnel groove, a sleeve is fixedly arranged on the upper portion of the left end of the separation plate, the sleeve is movably connected with the opening, an air pipe is arranged in the sleeve, the right end of the air pipe penetrates through the separation plate and is fixedly provided with an air outlet head, the left end of the air pipe is fixedly provided with a connector, and the length of the sleeve is equal to the length of the liquid storage groove.
Preferably, a placing hole is formed in the upper portion of the inclined surface at the right end of the isolation plate, the air outlet head is positioned in the placing hole, and the outer surface of the air outlet head is fixedly connected with the inner wall of the placing hole.
Preferably, the inner wall of the connecting pipe is carved with internal threads, the left end of the nozzle is fixedly provided with an external thread pipe, and the external thread pipe is matched with the internal threads.
Preferably, the observation block is embedded in the observation window groove.
Compared with the prior art, the invention has the following beneficial effects:
1. in the invention, aerosol is formed by arranging a liquid storage tank, a generating mechanism, a connecting pipe and a nozzle, and the forming efficiency and quality of the aerosol are improved.
2. In the invention, the pre-acceleration function of high-speed air flow is realized by arranging the funnel-shaped groove and the spiral air passage to be matched together, and by arranging the funnel-shaped groove with the left and the right of the funnel-shaped groove, when compressed air in the liquid storage groove passes through the funnel-shaped groove, the high-speed air flow flows into the narrow space from the wide space, the cross section area of the air flow column is reduced, so that the total volume of the air flow passing through the air flow in unit time is consistent, the air pressure at the narrow space is reduced, the air flow speed is increased, the air flow speed is further improved by arranging the spiral air passage, the pre-acceleration is provided for the air flow passing through the nozzle, the collision force of liquid medicine and the nozzle is improved, the formation quantity of fine fog grains is improved, and the quality of aerosol liquid medicine is improved.
3. According to the invention, the formation efficiency of aerosol liquid medicine is improved by arranging the liquid return plate and the through hole, when compressed air passes through the nozzle, high-speed air flow formed by the compressed air is firstly contacted with the liquid return plate and collides with the liquid return plate to form mist drops with different sizes, only smaller mist drops can pass through the through hole and collide with the nozzle again to form fine mist particles, and larger mist drops can not pass through the through hole and directly fall back into the liquid storage tank, so that the collision between the nozzle and the larger mist drops is avoided, and the efficiency of forming the fine mist particles at the nozzle in unit time is improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a salt aerosol generator for testing the filtering efficiency of a filtering material;
FIG. 2 is a rear view of the overall structure of a salt aerosol generator for testing the filtering efficiency of a filter material in accordance with the present invention;
FIG. 3 is a schematic diagram showing the internal structure of a salt aerosol generator for testing the filtering efficiency of a filtering material according to the present invention;
FIG. 4 is a diagram showing the effect of the mechanism for generating a salt aerosol generator for testing the filtering efficiency of a filtering material according to the present invention;
FIG. 5 is a schematic diagram showing the overall structure of a generating mechanism of a salt aerosol generator for testing the filtering efficiency of a filtering material;
FIG. 6 is a schematic diagram showing the overall structure of a separator for a salt aerosol generator for testing the filtering efficiency of a filter material according to the present invention;
FIG. 7 is a cross-sectional view of the overall structure of the housing of a salt aerosol generator for testing the filtering efficiency of a filter material in accordance with the present invention;
fig. 8 is a schematic view of a part of a salt aerosol generator for testing the filtering efficiency of a filtering material.
In the figure: 1. a housing; 2. foot pads; 3. a connecting pipe; 4. a nozzle; 5. a liquid injection port; 6. sealing cover; 7. a pressure detection gauge; 8. a mounting base; 9. a grip; 10. a generating mechanism; 11. an operation panel; 12. an access panel; 13. an observation block; 21. a mounting groove; 22. a controller; 23. a liquid storage tank; 24. a funnel-shaped groove; 25. a spiral airway; 26. a liquid return plate; 27. a through hole; 31. an electric push rod; 32. a partition plate; 33. a slide block; 34. a sleeve; 35. an air pipe; 36. an air outlet head; 37. a connector; 41. a liquid inlet hole; 42. an observation window groove; 43. a chute; 44. opening holes; 51. placing the hole; 61. an internal thread; 62. an externally threaded tube.
Detailed Description
The invention is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
As shown in figures 1-8, the salt aerosol generator for testing the filtering efficiency of the filtering material comprises a shell 1, padding 2 is fixedly arranged at four corners of the lower end of the shell 1, a connecting pipe 3 is fixedly arranged in the middle of the right end of the shell 1, a nozzle 4 is arranged at the right end of the connecting pipe 3, a liquid injection port 5 is fixedly arranged at the right part of the upper end of the shell 1, a sealing cover 6 is in threaded connection with the upper end of the liquid injection port 5, a pressure detection meter 7 is fixedly arranged at the upper part of the right end of the shell 1, the input end of the pressure detection meter 7 extends into the shell 1, two mounting seats 8 which are bilaterally symmetrical are fixedly arranged in the middle of the upper end of the shell 1, a grip 9 is jointly movably connected with the upper end of the two mounting seats 8, a generating mechanism 10 is arranged at the upper part of the left end of the shell 1, the generating mechanism 10 extends into the shell 1, an operating panel 11 is fixedly arranged at the lower left part of the front end of the shell 1, an overhaul plate 12 is connected to the lower part of the left end of the shell 1 through bolts, and an observation block 13 is embedded in the right part of the rear end of the shell 1.
The left end of the shell 1 is provided with a mounting groove 21, the mounting groove 21 is positioned right of the access board 12, the lower wall of the mounting groove 21 is fixedly provided with a controller 22, a liquid storage groove 23 is formed in the shell 1, the liquid storage groove 23 is of a cylindrical structure, the right wall of the liquid storage groove 23 is provided with a funnel-shaped groove 24, the inner wall of the funnel-shaped groove 24 is provided with a spiral air passage 25, the right end of the funnel-shaped groove 24 is communicated with the connecting pipe 3, the right part of the inner wall of the funnel-shaped groove 24 is fixedly provided with a liquid return plate 26, the left end of the liquid return plate 26 is provided with a plurality of through holes 27 which are communicated left and right, the plurality of through holes 27 are distributed in an annular array, and the design of the liquid storage groove 23 of the cylindrical structure is convenient for the separating plate 32 to move.
The controller 22 is electrically connected with the generating mechanism 10, the pressure detecting meter 7 and the operation panel 11, the pressure detecting meter 7 and the controller 22 are all in the prior art, the pressure detecting meter 7 is used for detecting the pressure in the liquid storage tank 23, and the controller 22 is used for controlling the start-stop and the expansion speed of the electric push rod 31.
The inner wall of the liquid storage tank 23 is provided with four sliding grooves 43, the four sliding grooves 43 are distributed in an annular array, the length of each sliding groove 43 is equal to that of the liquid storage tank 23, the rear part of the inner wall of the liquid storage tank 23 is provided with an observation window groove 42, the upper part of the left wall of the liquid storage tank 23 is provided with an opening 44, the left end face of the opening 44 extends to the left end face of the shell 1, the upper part of the inner wall of the liquid storage tank 23 is provided with a liquid inlet 41, the liquid inlet 41 is communicated with the liquid injection port 5, and the sliding grooves 43 and the sliding blocks 33 are designed so that the separation plate 32 can only horizontally move, and the liquid inlet 41 is used for placing liquid medicine.
The generating mechanism 10 comprises an electric push rod 31, the upper end of the electric push rod 31 is fixedly connected with the upper wall of a mounting groove 21, the output end of the electric push rod 31 penetrates through the right wall of the mounting groove 21 and is fixedly provided with a separation plate 32, the separation plate 32 is positioned in a liquid storage groove 23, four sliding blocks 33 are fixedly arranged on the outer surface of the separation plate 32, the four sliding blocks 33 are respectively and slidably connected with four sliding grooves 43, the separation plate 32 is of a left-thick-right-thin structure, the separation plate 32 is matched with a funnel-shaped groove 24, a sleeve 34 is fixedly arranged on the upper portion of the left end of the separation plate 32, the sleeve 34 is movably connected with an opening 44, an air pipe 35 is arranged in the sleeve 34, the right end of the air pipe 35 penetrates through the separation plate 32 and is fixedly provided with an air outlet head 36, the left end of the air pipe 35 is fixedly provided with a connector 37, the length of the sleeve 34 is equal to the length of the liquid storage groove 23, the sleeve 34 is conveniently arranged, and the air pipe 35 is conveniently connected with the output end of compressed air equipment.
The upper part of the right inclined surface of the isolation plate 32 is provided with a placement hole 51, the air outlet head 36 is positioned in the placement hole 51, the outer surface of the air outlet head 36 is fixedly connected with the inner wall of the placement hole 51, and the placement hole 51 is used for placing the air outlet head 36, so that the air outlet head 36 is prevented from colliding with the funnel-shaped groove 24.
The inner wall of the connecting pipe 3 is carved with an internal thread 61, the left end of the nozzle 4 is fixedly provided with an external thread pipe 62, the external thread pipe 62 is matched with the internal thread 61, and the nozzle 4 can be replaced.
The observation block 13 is embedded in the observation window groove 42, and the observation block 13 is made of glass material for observing the amount of the liquid medicine in the liquid storage groove 23.
The invention relates to a salt aerosol generator for testing filtering efficiency of filter materials, which realizes aerosol formation by arranging a liquid storage tank 23, a generating mechanism 10, a connecting pipe 3 and a nozzle 4, improves the aerosol formation efficiency and quality, firstly adds salt liquid medicine into the liquid storage tank 23 through a liquid injection port 5, then connects a connector 37 with the output end of a compressed air device, generates compressed air, and enters the liquid storage tank 23 through an air pipe 35 and an air outlet head 36, when the compressed air passes through the nozzle 4 from the liquid storage tank 23, the compressed air forms high-speed air flow, forms negative pressure around the nozzle 4 to attract the liquid medicine according to venturi effect, the liquid medicine collides with the nozzle 4 to form fine fog particles, the fine fog particles and air form aerosol liquid medicine particles, and the pressure in the liquid storage tank 23 is detected by arranging a pressure detection table 7, with the consumption of the liquid medicine, the volume of the compressed air in the liquid storage tank 23 is gradually increased, so that the pressure in the liquid storage tank 23 is reduced, the pressure detection meter 7 transmits the detection value to the controller 22, the controller 22 automatically starts the electric push rod 31, the output end of the electric push rod 31 stretches and drives the isolation plate 32 to move, the movement of the isolation plate 32 reduces the volume of the compressed air in the liquid storage tank 23, maintains the pressure in the liquid storage tank 23, ensures that the pressure in the liquid storage tank 23 achieves the dynamic balance effect, ensures that the high-speed air flow sprayed by the nozzle 4 is consistent, effectively ensures the output efficiency and quality of fog particles, and with the movement of the isolation plate 32, the depth of the liquid medicine in the liquid storage tank 23 is increased, counteracts the depth reduction caused by the consumption of the liquid medicine, ensures that the contact area between the central part of the high-speed air flow and the liquid medicine is kept relatively unchanged, the quantity of fine fog particles is ensured, the use requirement of a filter material filtering efficiency test is met, the pre-acceleration function of high-speed airflow is realized by the common cooperation of the funnel-shaped groove 24 and the spiral air passage 25, the quality of aerosol-state liquid medicine is improved, the high-speed airflow formed by compressed air is firstly contacted with the liquid return plate 26 when passing through the funnel-shaped groove 24 by the compressed air in the liquid storage groove 23, the cross section area of an airflow column is reduced, in order to ensure that the total volume of the airflow passing through in unit time is consistent, the air pressure at the narrow space is reduced, the air flow speed is increased, the air flow speed is further increased by arranging the spiral air passage 25, the pre-acceleration is provided for the airflow passing through the nozzle 4, the collision force of liquid medicine and the nozzle 4 is improved, the formation quantity of fine fog particles is improved, the formation efficiency of aerosol-state liquid medicine is improved, when the compressed air passes through the nozzle 4, the high-speed airflow formed by compressed air is firstly contacted with the liquid return plate 26 and collides with the liquid return plate 26 to form fog drops with different sizes, only small drops can pass through the through hole 27 and collide with the nozzle 4 again, and the large-state fog particles can not collide with the nozzle 4 in the liquid return plate 26, and the large-state fog particles can not collide with the nozzle 4 in the unit time is avoided, and the formation of the fine fog particles can not directly collide with the nozzle 4.
The foregoing has shown and described the basic principles and main features of the present invention and the advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (1)
1. Salt aerosol generator is used in filter material filtration efficiency test, including shell (1), its characterized in that: the intelligent maintenance device comprises a shell (1), wherein four corners of the lower end of the shell (1) are fixedly provided with pad feet (2), the middle part of the right end of the shell (1) is fixedly provided with a connecting pipe (3), the right end of the connecting pipe (3) is provided with a nozzle (4), the right part of the upper end of the shell (1) is fixedly provided with a liquid injection port (5), the upper end of the liquid injection port (5) is in threaded connection with a sealing cover (6), the upper part of the right end of the shell (1) is fixedly provided with a pressure detection meter (7), the input end of the pressure detection meter (7) extends into the shell (1), the middle part of the upper end of the shell (1) is fixedly provided with two mounting seats (8) which are bilaterally symmetrical, the two upper ends of the mounting seats (8) are movably connected with a grip (9), the upper part of the left end of the shell (1) is provided with a generating mechanism (10), the upper part of the left end of the shell (1) is fixedly provided with an operating panel (11), the lower part of the left end of the shell (1) is fixedly provided with a bolt, the left end of the shell (1) is connected with a bolt (12), and the left end of the shell (1) is embedded into a right end of a maintenance block (13);
the novel intelligent maintenance device is characterized in that a mounting groove (21) is formed in the left end of the shell (1), the mounting groove (21) is located right of the maintenance plate (12), a controller (22) is fixedly arranged on the lower wall of the mounting groove (21), a liquid storage groove (23) is formed in the shell (1), the liquid storage groove (23) is of a cylindrical structure, a funnel-shaped groove (24) is formed in the right wall of the liquid storage groove (23), a spiral air passage (25) is formed in the inner wall of the funnel-shaped groove (24), the right end of the funnel-shaped groove (24) is communicated with the connecting pipe (3), a liquid return plate (26) is fixedly arranged on the right portion of the inner wall of the funnel-shaped groove (24), a plurality of through holes (27) which are communicated left and right are formed in the left end of the liquid return plate (26), and the plurality of through holes (27) are distributed in an annular array;
the controller (22) is electrically connected with the generating mechanism (10), the pressure detection meter (7) and the operation panel (11);
four sliding grooves (43) are formed in the inner wall of the liquid storage groove (23), the four sliding grooves (43) are distributed in an annular array, the length of each sliding groove (43) is equal to that of the liquid storage groove (23), an observation window groove (42) is formed in the rear portion of the inner wall of the liquid storage groove (23), an opening (44) is formed in the upper portion of the left wall of the liquid storage groove (23), the left end face of the opening (44) extends to the left end face of the shell (1), a liquid inlet (41) is formed in the upper portion of the inner wall of the liquid storage groove (23), and the liquid inlet (41) is communicated with the liquid injection port (5);
the generating mechanism (10) comprises an electric push rod (31), the upper end of the electric push rod (31) is fixedly connected with the upper wall of a mounting groove (21), the output end of the electric push rod (31) penetrates through the right wall of the mounting groove (21) and is fixedly provided with a partition plate (32), the partition plate (32) is positioned in a liquid storage groove (23), four sliding blocks (33) are fixedly arranged on the outer surface of the partition plate (32), the four sliding blocks (33) are respectively and slidably connected with four sliding grooves (43), the partition plate (32) is of a left-thick-thin structure, the partition plate (32) is matched with a funnel-shaped groove (24), a sleeve (34) is fixedly arranged on the upper portion of the left end of the partition plate (32), the sleeve (34) is movably connected with an opening (44), an air pipe (35) is arranged in the sleeve (34), the right end of the air pipe (35) penetrates through the partition plate (32) and is fixedly provided with an air outlet head (36), the left end of the air pipe (35) is fixedly provided with a connector (37), and the length of the sleeve (34) is equal to the liquid storage groove (23);
the upper part of the inclined plane at the right end of the isolation plate (32) is provided with a placement hole (51), the air outlet head (36) is positioned in the placement hole (51), and the outer surface of the air outlet head (36) is fixedly connected with the inner wall of the placement hole (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111006522.9A CN113813887B (en) | 2021-08-30 | 2021-08-30 | Salt aerosol generator for testing filtering efficiency of filter material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111006522.9A CN113813887B (en) | 2021-08-30 | 2021-08-30 | Salt aerosol generator for testing filtering efficiency of filter material |
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| Publication Number | Publication Date |
|---|---|
| CN113813887A CN113813887A (en) | 2021-12-21 |
| CN113813887B true CN113813887B (en) | 2023-07-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111006522.9A Active CN113813887B (en) | 2021-08-30 | 2021-08-30 | Salt aerosol generator for testing filtering efficiency of filter material |
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Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101352661B (en) * | 2008-09-18 | 2010-08-18 | 中国建筑科学研究院 | Monodisperse aerosol generator |
| KR101329087B1 (en) * | 2011-09-23 | 2013-11-14 | (주)에스케이아이 | Aerogel combinating material manufacturing apparatus and method for manufacturing aerogel combinating material |
| WO2016030750A1 (en) * | 2014-08-25 | 2016-03-03 | King Abdullah University Of Science And Technology | Devices and methods for generating an aerosol |
| KR101863907B1 (en) * | 2016-10-18 | 2018-07-13 | 주식회사 에어로젤코리아 | Aerogel manufacturing system and aerogel thereby |
| CN209934699U (en) * | 2018-11-14 | 2020-01-14 | 天津盛源科技有限公司 | Thermal aerosol generator |
| CN212189628U (en) * | 2020-01-13 | 2020-12-22 | 上海瑞曼信息科技有限公司 | Novel liquid aerosol generator |
| CN213314876U (en) * | 2020-08-24 | 2021-06-01 | 浙江合治科技有限公司 | Aerosol generating system and filter material filtering efficiency testing equipment |
| CN112023840A (en) * | 2020-09-10 | 2020-12-04 | 苏州华达仪器设备有限公司 | Aerosol generator |
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2021
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