CN213492791U - Negative pressure analyzer with cleaning device - Google Patents
Negative pressure analyzer with cleaning device Download PDFInfo
- Publication number
- CN213492791U CN213492791U CN202022143731.5U CN202022143731U CN213492791U CN 213492791 U CN213492791 U CN 213492791U CN 202022143731 U CN202022143731 U CN 202022143731U CN 213492791 U CN213492791 U CN 213492791U
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- dust removal
- negative pressure
- shell
- dust
- net
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Abstract
The application relates to a negative pressure analyzer with a cleaning device, which relates to the field of concrete experimental equipment and comprises a negative pressure screening instrument body, a cyclone cylinder, a communicating pipe, a dust removal shell, a bracket and a dust removal net; the dust removal shell is a shell with openings at two ends, a bracket is arranged in the dust removal shell, a dust removal net is attached to the side surface of the bracket away from the inner wall of the dust removal shell, one end of the dust removal shell is communicated with the negative pressure screening instrument body through a communicating pipe, the other end of the dust removal shell is communicated with a cyclone, the communicating pipe extends into the dust removal shell, and the opening of the communicating pipe is positioned in the dust removal net; and one end of the cyclone cylinder, which is far away from the dedusting shell, is provided with an adsorption device for adsorbing fine dust. This application has and avoids tiny dust to lose at indoor along with the air, influences the healthy effect of operating personnel.
Description
Technical Field
The application relates to the field of concrete experimental equipment, in particular to a negative pressure analyzer with a cleaning device.
Background
When the cement fineness negative pressure screen analyzer works by using air flow as a power medium for screening, the whole system keeps a negative pressure state, fine powder materials to be detected in the screen mesh are in a fluid state under the action of the air flow sprayed by the rotating air nozzle and move along with the air flow, wherein fine particles with the particle size smaller than the aperture of the screen mesh are driven by the air flow to be pumped away through the screen mesh, and coarse particles with the particle size larger than the aperture of the screen mesh are remained in the screen mesh, so that the purpose of screening is achieved.
To the above-mentioned correlation technique, the inventor thinks there is following defect, when cement fineness negative pressure sieve analysis appearance is being used cement is taken out in the heavy screen cloth under the suction of cyclone, most tiny dust is collected in the ash collecting bottle, but tiny dust self quality is extremely light and along with the air loss, lead to still having tiny dust granule along with the air current loss in the air, simultaneously, the experiment often goes on in the room, the air current is relatively poor, the dust of loss can influence on-the-spot laboratory technician's healthy.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem of tiny dust loss during the negative pressure analysis appearance experiment, this application provides a take cleaning device's negative pressure analysis appearance.
The application provides a take cleaning device's negative pressure analysis appearance adopts following technical scheme:
a negative pressure analyzer with a cleaning device comprises a negative pressure screening instrument body, a cyclone, a communicating pipe, a dust removal shell, a bracket and a dust removal net;
the dust removal shell is a shell with openings at two ends, the bracket is attached to the inner wall of the dust removal shell, the dust removal net is attached to the inner side surface of the bracket, one end of the dust removal shell is communicated with the negative pressure screening instrument body through the communicating pipe, the other end of the dust removal shell is communicated with the cyclone barrel, the communicating pipe extends into the dust removal shell, and the opening of the communicating pipe is positioned in the dust removal net;
and an adsorption device for adsorbing fine dust is arranged at one end of the cyclone cylinder, which is far away from the dust removal shell.
Through adopting above-mentioned technical scheme, when cyclone suction air forms the negative pressure in the negative pressure screening appearance fuselage, powder material gets into in the dust removal shell and is filtered and collected by the net that removes dust in the same direction as communicating pipe, attached dust removal net of support inner wall still can keep original shape when the air flows, avoid it to warp along with the air flow and influence filtering quality, the powder material through the net filtration that removes dust is discharged adsorption equipment along with cyclone, adsorption equipment adsorbs remaining tiny dust, realize forming the negative pressure in-process at cyclone suction air, avoid tiny dust to lose at indoor along with the air, influence operating personnel's is healthy.
Optionally, the dust removal housing is detachably connected with the negative pressure screening instrument body;
the negative pressure screening instrument is characterized in that a mounting seat is arranged on the machine body of the negative pressure screening instrument, an insertion rod is arranged on the dust removal shell along the vertical direction, the mounting seat is in insertion connection with the insertion rod, and a locking device used for locking the insertion rod on the mounting seat is arranged on the mounting seat.
Through adopting above-mentioned technical scheme, with inserted bar and mount pad plug-in connection back, use locking means with the inserted bar locking on the mount pad, avoid forming negative pressure in-process air current impact at cyclone and lead to the dust removal shell to rock, open locking means and with the inserted bar unblock on the mount pad, be convenient for pull down dust cover and collect and retrieve in order to the filterable dust of dust removal net, realize the purpose of saving the resource.
Optionally, the locking device comprises a threaded rod and a protrusion;
the mounting seat is provided with a jack which is in plug-in fit with the insertion rod, the protrusion is arranged on the inner side wall of the jack, the outer side of the insertion rod is provided with a groove, and the protrusion is in clamping fit with the groove;
the mounting seat in offer on the jack inside wall and be used for holding bellied accommodation hole, the mounting seat in offer on the diapire of accommodation hole and run through the screw hole of mounting seat, threaded rod is worn to be equipped with in the screw hole, the one end of threaded rod with protruding rigid coupling.
Through adopting above-mentioned technical scheme, the inserted bar inserts in the jack, rotatory threaded rod drives the protruding motion of rigid coupling in threaded rod one end, when protruding along the radial direction of directional jack move to with the complete butt of recess inside wall, the inserted bar is by the locking on the mount pad, when protruding along the radial direction of directional jack move to be located the accommodate hole completely, the inserted bar is by the unblock, through setting up locking means, the realization will remove dust the shell and sieve the fixed purpose of appearance fuselage with negative pressure.
Optionally, the dust removal shell is of a cylindrical shape, the dust removal shell is divided into a first sheet body and a second sheet body, and the first sheet body is in threaded connection with the second sheet body.
Through adopting above-mentioned technical scheme, with first lamellar body and second lamellar body relative rotation, can divide into two parts with the dust removal shell, be convenient for take out dust removal net wherein in order to clear up and change dust removal net.
Optionally, a plurality of magnets are arranged on the dust removal net, the support is a hollow iron net, and the dust removal net is arranged in the support.
Through adopting above-mentioned technical scheme, when adsorbing a plurality of magnets on the support, dust removal net and support relatively fixed, the dust removal net quality is lighter, and the adsorption affinity of a plurality of magnets satisfies the requirement of fixed dust removal net and the dismouting of being convenient for, opens the dust removal shell, removable dust removal net wherein realizes changing the dust removal net of different fineness under different negative pressure, avoids dust removal net mesh undersize, influences the effect of suction under the less condition of negative pressure.
Optionally, the adsorption device comprises a collection box, a sealing cover and a collection liquid;
the sealing cover is in plug-in fit with the collecting box, an inlet and an outlet are formed in the sealing cover, and the collecting liquid is arranged in the collecting box;
an air inlet pipe is arranged at one end, far away from the dedusting shell, of the cyclone cylinder, the air inlet pipe penetrates through the inlet and extends into the collecting liquid, an air outlet pipe penetrates through the outlet on the sealing cover, and two ends of the air outlet pipe are communicated with air.
Through adopting above-mentioned technical scheme, at the in-process that the whirlwind section of thick bamboo suction air formed the negative pressure, in letting in the collecting fluid by the air after the net filtration of removing dust, because the appearance that awaits measuring is mostly building materials such as cement, subsides in aqueous after its powder and collecting fluid mix, and the air that is insoluble in water then overflows the collecting fluid and discharges through the outlet duct, realizes as far as possible will being adsorbed by all dusts in the suction air and collects the purpose.
Optionally, a filter screen is arranged in the collecting box, and the filter screen is arranged in the collecting liquid and has a density larger than that of the collecting liquid.
Through adopting above-mentioned technical scheme, after the experiment, take off the closing cap, take out the filter screen again, can clear up out the collecting box with the dust that subsides the collecting liquid bottom, the operation of being convenient for, and avoid frequently changing the collecting liquid.
Optionally, a sealing gasket is disposed between the first sheet and the second sheet.
Through adopting above-mentioned technical scheme, the gap between the sealed first lamellar body of seal gasket and the second lamellar body avoids the gap to influence the gas tightness of taking out the in-process and then influence the screening result.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the powder material filtered by the dust removal net is discharged into the adsorption device along with the cyclone, and the residual fine dust is adsorbed by the adsorption device, so that the fine dust is prevented from escaping indoors along with air to influence the health of operators in the process of forming negative pressure by sucking air by the cyclone;
2. when a plurality of magnets are adsorbed on the bracket, the dust removing net is relatively fixed on the bracket, the weight of the dust removing net is lighter, the adsorption force of the magnets meets the requirement of fixing the dust removing net and is convenient to disassemble and assemble, the dust removing shell is opened, the dust removing net in the dust removing shell can be replaced, the dust removing nets with different fineness can be replaced under different negative pressure intensities, and the phenomenon that the suction analysis effect is influenced under the condition that the negative pressure intensity is smaller due to undersize meshes of the dust removing net is avoided;
3. in the process of forming negative pressure by cyclone suction air, air filtered by a dust removal net is introduced into the collecting liquid, and as most samples to be measured are cement and other building materials, powder and the collecting liquid are mixed and then settled in water, and the water-insoluble air overflows the collecting liquid and is discharged through the air outlet pipe, so that the aim of adsorbing and collecting all dust in the sucked air as far as possible is fulfilled.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;
FIG. 2 is a schematic structural view of a dust removing housing and the like in the embodiment of the present application;
FIG. 3 is a schematic sectional view of the collecting tank and the like taken along line A-A in FIG. 1;
fig. 4 is a schematic sectional view of the mount shown in fig. 2 along line a-a.
Reference numerals: 1. a negative pressure screening instrument body; 2. a cyclone; 3. a communicating pipe; 4. a dust removal housing; 41. a first sheet body; 42. a second sheet body; 43. sealing gaskets; 5. inserting a rod; 51. a groove; 6. a mounting seat; 61. a jack; 62. an accommodation hole; 63. a threaded hole; 7. a threaded rod; 71. a protrusion; 8. a collection box; 81. a slot; 82. collecting liquid; 83. filtering with a screen; 9. sealing the cover; 91. an inlet; 92. an outlet; 10. an air inlet pipe; 11. and an air outlet pipe.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses a negative pressure analyzer with a cleaning device. Referring to fig. 1 and 2, negative pressure analyzer with cleaning device includes negative pressure screening appearance fuselage 1, cyclone 2, negative pressure analyzer's lower extreme lateral wall intercommunication has communicating pipe 3, communicating pipe 3 intercommunication has cylindrical dust removal shell 4, dust removal shell 4 is along the vertical setting of length direction, both ends opening about the dust removal shell 4, communicating pipe 3 and the opening intercommunication of the 4 upper ends of dust removal shell, opening and cyclone 2 intercommunication of dust removal shell 4 lower extreme, communicating pipe 3 is the grafting with cyclone 2 and dust removal shell 4 and is connected, communicating pipe 3 is non-metallic material with cyclone 2 and respectively with upper shed and under shed excessive cooperation. The dust removing housing 4 is divided into a first sheet 41 and a second sheet 42 along the middle section thereof, the lower end of the first sheet 41 is fixedly connected with a ring plate provided with external threads, the upper end of the second sheet 42 is provided with internal threads, and the first sheet 41 and the second sheet 42 are connected through the ring plate threads and the joint is provided with a sealing gasket 43. An iron and reticular support (not shown in the figure) attached to the inner wall of the dust removing shell 4 is arranged in the dust removing shell 4, a dust removing net (not shown in the figure) is arranged on the inner wall of the support, a plurality of magnets (not shown in the figure) are fixedly connected to the dust removing net, and the magnets and the support are magnetically attracted.
When the cyclone 2 sucks air to form negative pressure in the negative pressure screening instrument body 1, powder materials enter the dust removal shell 4 along the communicating pipe 3 and are filtered by the dust removal net and are collected by the dust removal net, and the communicating pipe 3 is communicated with the upper opening of the dust removal shell 4 to prevent dust collected by the dust removal net from falling back into the communicating pipe 3 under the action of gravity. After the experiment is completed, the dust removal shell 4 and the first sheet body 41 and the second sheet body 42 are relatively rotated, so that the dust removal shell 4 can be split into two parts, the support and the dust removal net are taken out, the dust removal net with different fineness can be cleaned or replaced, the phenomenon that the meshes of the dust removal net are too small, and the suction effect is influenced under the condition that the negative pressure intensity is small is avoided.
When adsorbing a plurality of magnet on the support, dust removal net and support relatively fixed, the dust removal net quality is lighter, and the adsorption affinity of a plurality of magnet satisfies the requirement of fixed dust removal net and the dismouting of being convenient for, opens dust removal shell 4, removable dust removal net wherein realizes changing the dust removal net of different fineness under different negative pressure, avoids dust removal net mesh undersize, influences the effect of suction under the less condition of negative pressure intensity
Referring to fig. 1 and 3, an adsorption device for adsorbing fine dust is arranged at one end of the cyclone cylinder 2, which is far away from the dust-removing housing 4, and includes a collection box 8, a sealing cover 9 and a collection liquid 82, in the embodiment of the present application, the collection liquid 82 is specifically set to be water, the collection liquid 82 is internally arranged in the collection box 8, slots 81 are formed in the opposite side walls of the opening at the upper end of the collection box 8, one slot 81 of the four slots 81 penetrates through the side wall of the collection box 8, the sealing cover 9 is in plug-in connection with the collection box 8 through the slot 81, an inlet 91 and an outlet 92 are formed in the sealing cover 9, an air inlet pipe 10 and an air outlet pipe 11 are respectively arranged in the inlet 91 and the outlet 92, one end of the air inlet pipe 10 is communicated with the cyclone cylinder 2. A hard filter screen 83 with the same shape as the collecting box 8 is placed in the collecting box 8, and the density of the filter screen 83 is larger than that of water.
In the process of forming negative pressure by the cyclone 2 pumping air, the air filtered by the dust removing net is introduced into the collecting liquid 82, as the sample to be measured is mostly made of building materials such as cement, the powder and the collecting liquid 82 are mixed and then settled in water, and the air insoluble in water overflows the collecting liquid 82 and is discharged through the air outlet pipe 11, thereby realizing the purpose of adsorbing and collecting all the dust in the pumped air as far as possible. After the experiment, take off closing cap 9, take out filter screen 83 again, can clear up out collecting box 8 the dust that subsides collecting liquid 82 bottom, the operation of being convenient for, and avoid frequently changing collecting liquid 82.
Referring to fig. 1, dust removal shell 4 can be dismantled with negative pressure screening appearance fuselage 1 and be connected, referring to fig. 2 and fig. 4, vertically on the lateral wall of dust removal shell 4 be provided with the inserted bar 5 of L type, the tip of the 5 horizontal segments of inserted bar and the lateral wall rigid coupling of dust removal shell 4, be provided with mount pad 6 on the negative pressure screening appearance fuselage 1, seted up jack 61 on the mount pad 6, inserted bar 5 and jack 61 plug-in connection. The mounting seat 6 is provided with a locking device for locking the inserted link 5 on the mounting seat 6, the locking device comprises a threaded rod 7 and a protrusion 71, the protrusion 71 is arranged on the inner wall of the jack 61, the inner walls of the mounting seat 6 and the jack 61 are provided with an accommodating hole 62 capable of completely accommodating the protrusion 71, the bottom wall of the accommodating hole 62 of the mounting seat 6 is provided with a threaded hole 63 penetrating through the mounting seat 6, the threaded rod 7 is in threaded connection with the threaded hole 63, one end of the threaded rod 7 is fixedly connected with the protrusion 71, and the outer side wall of the inserted link 5 is provided with a groove 51; when the inserting rod 5 is in inserting fit with the inserting hole 61, the protrusion 71 is in clamping fit with the groove 51 when the threaded rod 7 is rotated.
Inserted bar 5 inserts in jack 61, rotatory threaded rod 7 and drive the protruding 71 motion of rigid coupling in threaded rod 7 one end, when protruding 71 along directional jack 61 radial direction move to with the recess 51 inside wall complete butt, inserted bar 5 is locked on mount pad 6, when protruding 71 along directional jack 61 radial direction move to be located the accommodation hole 62 completely, inserted bar 5 is by the unblock, through setting up locking device, the realization is with the fixed purpose of dust removal shell 4 and negative pressure screening appearance fuselage 1.
The implementation principle of negative pressure screening appearance of the embodiment of this application does: when cyclone 2 sucks air to form negative pressure in negative pressure screening appearance fuselage 1, the powder material is gone into in dust removal shell 4 and is filtered by the dust removal net and is collected by the dust removal net in the same direction as communicating pipe 3, the dust removal net attached to the support inner wall still can keep original shape when the air flows, avoid it to warp along with the air flow and influence filtering quality, the powder material through dust removal net filtration is discharged into adsorption equipment along with cyclone 2, adsorption equipment adsorbs remaining tiny dust, realize forming the negative pressure in-process at cyclone 2 suction air, avoid tiny dust to lose indoor along with the air, influence operating personnel's healthy.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a take cleaning device's negative pressure analysis appearance, includes negative pressure screening appearance fuselage (1) and cyclone (2), its characterized in that: comprises a communicating pipe (3), a dust removing shell (4), a bracket and a dust removing net;
the dust removal shell (4) is a shell with two open ends, the inner wall of the dust removal shell (4) is provided with the support in an attaching mode, the inner side face of the support is provided with a dust removal net in an attaching mode, one end of the dust removal shell (4) is communicated with the negative pressure screening instrument body (1) through the communicating pipe (3), the other end of the dust removal shell is communicated with the cyclone (2), the communicating pipe (3) extends into the dust removal shell (4), and the opening of the communicating pipe is located in the dust removal net;
and an adsorption device for adsorbing fine dust is arranged at one end of the cyclone cylinder (2) far away from the dedusting shell (4).
2. The negative pressure analyzer with a cleaning device according to claim 1, wherein: the dust removal shell (4) is detachably connected with the negative pressure screening instrument body (1);
be provided with mount pad (6) on negative pressure screening appearance fuselage (1), be provided with inserted bar (5) along vertical direction on dust removal shell (4), mount pad (6) with inserted bar (5) plug-in connection, be provided with on mount pad (6) be used for with inserted bar (5) locking in locking means on mount pad (6).
3. The negative pressure analyzer with a cleaning device according to claim 2, wherein: the locking device comprises a threaded rod (7) and a protrusion (71);
the mounting seat (6) is provided with a jack (61) which is in plug-in fit with the insertion rod (5), the protrusion (71) is arranged on the inner side wall of the jack (61), the outer side of the insertion rod (5) is provided with a groove (51), and the protrusion (71) is in clamping fit with the groove (51);
mount pad (6) in offer on jack (61) inside wall and be used for holding accommodation hole (62) of arch (71), mount pad (6) in offer on the diapire of accommodation hole (62) and run through screw hole (63) of mount pad (6), threaded rod (7) are worn to be equipped with in screw hole (63), the one end of threaded rod (7) with arch (71) rigid coupling.
4. The negative pressure analyzer with a cleaning device according to claim 1, wherein: the dust removal shell (4) is of a cylindrical shape, the dust removal shell (4) is divided into a first sheet body (41) and a second sheet body (42), and the first sheet body (41) is in threaded connection with the second sheet body (42).
5. The negative pressure analyzer with a cleaning device according to claim 1, wherein: the dust removal net is provided with a plurality of magnets, the support is a hollow iron net, and the dust removal net is internally arranged in the support.
6. The negative pressure analyzer with a cleaning device according to claim 1, wherein: the adsorption device comprises a collection box (8), a sealing cover (9) and collection liquid (82);
the sealing cover (9) is in splicing fit with the collecting box (8), an inlet (91) and an outlet (92) are formed in the sealing cover (9), and the collecting liquid (82) is arranged in the collecting box (8);
an air inlet pipe (10) is arranged at one end, far away from the dedusting shell (4), of the cyclone cylinder (2), the air inlet pipe (10) penetrates through the inlet (91) and extends into the collecting liquid (82), an air outlet pipe (11) penetrates through the outlet (92) on the sealing cover (9), and two ends of the air outlet pipe (11) are communicated with air.
7. The negative pressure analyzer with a cleaning device according to claim 6, wherein: be provided with filter screen (83) in collecting box (8), filter screen (83) set up in collecting liquid (82) and density are greater than collecting liquid (82).
8. The negative pressure analyzer with a cleaning device according to claim 4, wherein: a sealing gasket (43) is arranged between the first sheet body (41) and the second sheet body (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022143731.5U CN213492791U (en) | 2020-09-25 | 2020-09-25 | Negative pressure analyzer with cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022143731.5U CN213492791U (en) | 2020-09-25 | 2020-09-25 | Negative pressure analyzer with cleaning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213492791U true CN213492791U (en) | 2021-06-22 |
Family
ID=76462555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022143731.5U Expired - Fee Related CN213492791U (en) | 2020-09-25 | 2020-09-25 | Negative pressure analyzer with cleaning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213492791U (en) |
-
2020
- 2020-09-25 CN CN202022143731.5U patent/CN213492791U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210622 |