CN114100295A - Filtering and dust removing device for producing dry-mixed mortar - Google Patents
Filtering and dust removing device for producing dry-mixed mortar Download PDFInfo
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- CN114100295A CN114100295A CN202111505226.3A CN202111505226A CN114100295A CN 114100295 A CN114100295 A CN 114100295A CN 202111505226 A CN202111505226 A CN 202111505226A CN 114100295 A CN114100295 A CN 114100295A
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- 239000000428 dust Substances 0.000 title claims abstract description 89
- 238000001914 filtration Methods 0.000 title claims abstract description 57
- 239000004570 mortar (masonry) Substances 0.000 title claims abstract description 30
- 238000005406 washing Methods 0.000 claims abstract description 33
- 238000004519 manufacturing process Methods 0.000 claims abstract description 20
- 230000001360 synchronised effect Effects 0.000 claims description 69
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 238000003756 stirring Methods 0.000 claims description 15
- 230000005540 biological transmission Effects 0.000 claims description 14
- 238000002347 injection Methods 0.000 claims description 14
- 239000007924 injection Substances 0.000 claims description 14
- 230000007246 mechanism Effects 0.000 claims description 14
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- 239000000779 smoke Substances 0.000 claims description 6
- 239000002121 nanofiber Substances 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 10
- 239000006185 dispersion Substances 0.000 abstract description 6
- 238000004880 explosion Methods 0.000 abstract description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 11
- 239000003546 flue gas Substances 0.000 description 11
- 238000010586 diagram Methods 0.000 description 4
- 238000001179 sorption measurement Methods 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000012779 reinforcing material Substances 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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Abstract
The invention relates to the technical field of dry-mixed mortar production, and discloses a filtering and dedusting device for dry-mixed mortar production. The dust removal device replaces the traditional unified dust removal mode of a workshop, can be used for washing, filtering and purifying dust through the arrangement of the dust removal device beside a processing station under the regulation of the air inlet assembly and the negative pressure split flow of the negative pressure split flow assembly, solves the problem of dust dispersion from the source, avoids safety accidents such as dust dispersion, influence on the body health of workers, dust explosion and the like, and has good flexibility and mobility and portability in the use process.
Description
Technical Field
The invention relates to the technical field of dry-mixed mortar production, in particular to a filtering and dust removing device for dry-mixed mortar production.
Background
The dry-mixed mortar is one of the new dry-mixed materials in the field of building materials, and is a mixture formed by mixing cement serving as a main cementing material with dry-screened fine aggregate, a mineral admixture, a reinforcing material and an additive according to a certain proportion.
Along with the unification of the technology, the current dry-mixed mortar is mostly packaged and produced in a bagging mode, then in the bagging process, most dust generated by bagging is uniformly exhausted through an exhaust fan in a workshop, the dust treatment efficiency is low, and meanwhile, the dust is very easy to float in the workshop, the health of workers is influenced, and safety accidents such as dust explosion exist. Therefore, the technical personnel in the field provide a filtering and dust removing device for producing dry-mixed mortar, so as to solve the problems in the background technology.
Disclosure of Invention
The invention aims to provide a filtering and dust removing device for producing dry-mixed mortar, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a dry-mixed mortar production is with filtering dust collector, is including filtering the jar, the bottom of filtering the jar is connected with the washing jar, and filters the top of jar and be connected with the exhaust tank, the outside cover of filtering the jar is equipped with the subassembly that admits air, and one side of filtering the jar is located bottom position department and is provided with negative pressure reposition of redundant personnel subassembly, the inboard symmetry of filtering the jar is provided with the filtration stratum reticulare, the toper water conservancy diversion mouth of pipe has been seted up to the terminal surface symmetry of filtration stratum reticulare, the inboard of exhaust tank is provided with the air discharge fan.
As a still further scheme of the invention: the air inlet assembly comprises two groups of positioning ring seats, the two groups of positioning ring seats are symmetrically arranged on the outer side of the filter tank in a sleeved mode, the inner sides of the positioning ring seats are symmetrically rotated to be connected with lifting lead screws, the bottom ends of the positioning ring seats are embedded in positions above the positioning ring seats in a set mode and are connected with rotary hand wheels, the output ends of the rotary hand wheels are provided with driving synchronous belt wheels, the output ends of the lifting lead screws are provided with driven synchronous belt wheels, one side of each driven synchronous belt wheel is symmetrically provided with a traction synchronous belt wheel, the driving synchronous belt wheels, the driven synchronous belt wheels are connected through synchronous belts, and dust collection mechanisms are sleeved on the outer sides of the lifting lead screws.
As a still further scheme of the invention: the inner side of the synchronous belt is provided with transmission teeth matched with the driving synchronous belt wheel, the driven synchronous belt wheel and the traction synchronous belt wheel, the driving synchronous belt wheel, the driven synchronous belt wheel and the traction synchronous belt wheel are the same in size, and the driving synchronous belt wheel, the driven synchronous belt wheel and the traction synchronous belt wheel synchronously rotate through the synchronous belt.
As a still further scheme of the invention: the dust suction mechanism comprises a negative pressure air frame, a transmission screw sleeve matched with the lifting screw rod is arranged on the inner side of the negative pressure air frame in a penetrating way, and the outer side of the negative pressure air frame is symmetrically provided with air inlet pipe orifices, the bottom end surface of the negative pressure air frame is provided with a negative pressure air port, and one end of the inner side of the negative pressure air frame, which is positioned at the air inlet pipe orifice, is provided with a rotating seat, the output end of the rotating seat is rotatably connected with a guide plate, the front side end face of the guide plate is provided with a sealing pressure pad right opposite to the air inlet pipe orifice, and the back end surface of the guide plate is symmetrically connected with a compression spring, the front end surface of the guide plate is provided with a guide rail chute at one end, a guide sliding seat is clamped on the inner side of the guide rail sliding groove, a knob screw rod is embedded and screwed in the other end of the outer side of the negative pressure air frame, which is right opposite to the air inlet pipe orifice, the bottom of knob screw rod is provided with the bearing housing, and the knob screw rod passes through the bearing housing to be connected with the direction slide.
As a still further scheme of the invention: the negative pressure air frame is of a regular hexagon structure, the number of the air inlet pipe orifices is six, and the air inlet pipe orifices are positioned in the positive center of the frame edge of the negative pressure air frame.
As a still further scheme of the invention: the negative pressure shunting assembly comprises a positioning support fixed at the bottom end position of one side of the filtering tank, a negative pressure fan is arranged above the positioning support, a flue gas bin is arranged at the bottom end of the positioning support, the negative pressure fan is connected with the air inlet assembly through a telescopic hose, shunting pipelines are symmetrically arranged at the bottom of the flue gas bin, and air outlets of the shunting pipelines penetrate through the water washing tank and are symmetrically provided with air injection valve heads.
As a still further scheme of the invention: the number of the air injection valve heads is five, and the air injection valve heads are arranged in an annular symmetrical mode relative to the circle center of the water washing tank.
As a still further scheme of the invention: the bottom of washing jar is provided with the propelling movement platform, and the port position department of washing jar is connected with the water injection valve port, the bottom terminal surface of washing jar runs through the propelling movement platform and is connected with the earial drainage valve port.
As a still further scheme of the invention: the filter screen layers are four groups, the four groups of filter screen layers are sequentially a stainless steel filter screen, an HEPA filter screen, a nanofiber filter screen and an activated carbon screen from bottom to top, the number of the conical flow guide pipe openings is not less than eight groups, the conical flow guide pipe openings are arranged in a mutually staggered mode relative to the four groups of end faces of the filter screen layers, the size of the conical bottom caliber of each conical flow guide pipe opening is not higher than 5cm, and the size of the conical top caliber is not higher than 1 cm.
As a still further scheme of the invention: the bottom of washing jar is located middle part position department and is provided with agitator motor, agitator motor's the output runs through the terminal surface of washing jar and is provided with the stirring support arm, the top of stirring support arm is provided with scrapes the flitch.
Compared with the prior art, the invention has the beneficial effects that:
the dust removal device replaces the traditional unified dust removal mode of a workshop, can be used for washing, filtering and purifying dust through the arrangement of the dust removal device beside a processing station under the regulation of the air inlet assembly and the negative pressure split flow of the negative pressure split flow assembly, solves the problem of dust dispersion from the source, avoids safety accidents such as dust dispersion, influence on the body health of workers, dust explosion and the like, and has good flexibility and mobility and portability in the use process.
Drawings
FIG. 1 is a schematic structural diagram of a filtering and dust removing device for producing dry-mixed mortar;
FIG. 2 is a schematic structural diagram of an air inlet assembly in a filtering and dust removing device for producing dry-mixed mortar;
FIG. 3 is a schematic structural view of a dust suction mechanism in a filtering and dust removing device for dry-mixed mortar production;
FIG. 4 is an enlarged schematic view of a portion A in FIG. 3 of a filtering and dust removing device for dry-mixed mortar production;
FIG. 5 is a schematic structural diagram of the interior of a filtering and dust removing device for producing dry-mixed mortar;
FIG. 6 is a schematic structural diagram of an air injection valve head in a filtering and dust removing device for dry-mixed mortar production.
In the figure: 1. a filter tank; 2. a water washing tank; 3. a pushing platform; 4. an exhaust tank; 5. a positioning ring seat; 6. a lifting screw rod; 7. a dust suction mechanism; 71. a negative pressure air frame; 72. a transmission thread sleeve; 73. a negative pressure tuyere; 74. an air inlet pipe orifice; 75. a rotating base; 76. a baffle; 77. sealing the pressure pad; 78. a compression spring; 79. a guide rail chute; 710. a guide slide; 711. a bearing housing; 712. a knob screw; 8. a flexible hose; 9. a negative pressure fan; 10. positioning the bracket; 11. a flue gas bin; 12. a diversion pipeline; 13. rotating a hand wheel; 14. a driving synchronous pulley; 15. a driven synchronous pulley; 16. a synchronous belt; 17. a traction synchronous pulley; 18. a water injection valve port; 19. a discharge valve port; 20. a stirring motor; 21. a jet valve head; 22. a filter screen layer; 23. a conical flow guide pipe orifice; 24. stirring the support arm; 25. a scraping plate; 26. an exhaust fan.
Detailed Description
Referring to fig. 1 to 6, in the embodiment of the present invention, a filtering and dust removing device for producing dry-mixed mortar includes a filtering tank 1, a washing tank 2 is connected to a bottom end of the filtering tank 1, a pushing platform 3 is disposed at a bottom of the washing tank 2, a water injection valve port 18 is connected to a port position of the washing tank 2, a drain valve port 19 is connected to a bottom end surface of the washing tank 2 through the pushing platform 3, a stirring motor 20 is disposed at a middle position of a bottom end of the washing tank 2, a stirring arm 24 is disposed at an output end of the stirring motor 20 through an end surface of the washing tank 2, a scraper 25 is disposed at a top end of the stirring arm 24, during dust removal using the dust removing device, a worker connects a water pump with the water injection valve port 18, injects a proper amount of cleaning water into the washing tank 2, so that the cleaning water passes through a jet valve head 21, and ensures comprehensive contact and settlement of dust air sprayed from the jet valve head 21, and then after the dust removal is finished, the stirring motor 20 works to drive the stirring support arm 24 to rotate, so that the scraper plate 25 scrapes and stirs the clean sewage in the washing tank 2, and the discharge valve port 19 is opened to discharge and clean the clean water mixed with dust together.
The top end of the filter tank 1 is connected with an exhaust tank 4, the outer side of the filter tank 1 is sleeved with an air inlet assembly, the air inlet assembly comprises two groups of positioning ring seats 5 symmetrically sleeved on the outer side of the filter tank 1, the inner sides of the positioning ring seats 5 are symmetrically and rotatably connected with lifting screw rods 6, a group of rotating hand wheels 13 are embedded and connected at the positions, located above the bottom ends of the positioning ring seats 5, of the groups, the output end of each rotating hand wheel 13 is provided with a driving synchronous belt wheel 14, the output end of each lifting screw rod 6 is provided with a driven synchronous belt wheel 15, one side of each driven synchronous belt wheel 15 is symmetrically provided with a traction synchronous belt wheel 17, the driving synchronous belt wheel 14, the driven synchronous belt wheel 15 and the traction synchronous belt wheel 17 are connected through synchronous belts 16, the inner side of each synchronous belt 16 is provided with transmission teeth matched with the driving synchronous belt wheel 14, the driven synchronous belt wheel 15 and the traction synchronous belt wheel 17, the driving synchronous belt wheel 14, the driven synchronous belt wheel 15, The traction synchronous belt wheels 17 are the same in size, the driving synchronous belt wheel 14, the driven synchronous belt wheel 15 and the traction synchronous belt wheel 17 synchronously rotate through the synchronous belt 16, when a dust removing process is carried out on a production workshop of dry-mixed mortar by using a dust removing device, the dust removing device is pushed to the side of an appointed station, then a worker rotates the rotary hand wheel 13 to drive the driving synchronous belt wheel 14 to rotate, the driven synchronous belt wheel 15 is pushed to rotate under the transfer transmission of the synchronous belt 16 through the guide traction transmission of the traction synchronous belt wheel 17, the synchronous driving lifting screw rod 6 rotates, the pushing transmission screw sleeve 72 slides on the lifting screw rod 6, the height position of the dust collection mechanism 7 is adjusted, and the dust collection mechanism 7 is moved to the position of a dust floating port.
The outer side of the lifting screw rod 6 is sleeved with a dust collection mechanism 7, the dust collection mechanism 7 comprises a negative pressure air frame 71, the inner side of the negative pressure air frame 71 is provided with a transmission screw sleeve 72 matched with the lifting screw rod 6 in a penetrating manner, the outer side of the negative pressure air frame 71 is symmetrically provided with an air inlet pipe orifice 74, the bottom end surface of the negative pressure air frame 71 is provided with a negative pressure air port 73, one end of the inner side of the negative pressure air frame 71, which is positioned at the air inlet pipe orifice 74, is provided with a rotary seat 75, the output end of the rotary seat 75 is rotatably connected with a guide plate 76, the front end surface of the guide plate 76 is provided with a sealing pressure pad 77 just opposite to the air inlet pipe orifice 74, the back end surface of the guide plate 76 is symmetrically connected with a compression spring 78, the front end surface of the guide plate 76 is provided with a guide rail sliding groove 79 at one end position, the inner side of the guide rail sliding groove 79 is clamped with a guide sliding seat 710, the other end of the outer side of the negative pressure air frame 71 is embedded and screwed with a knob screw 712, the bottom end of the knob screw 712 is provided with a bearing sleeve 711, the knob screw 712 is connected with the guide sliding seat 710 through the bearing sleeve 711, the negative pressure air frame 71 is of a regular hexagon structure, the number of the air inlet pipe orifices 74 is six, the air inlet pipe orifices 74 are positioned at the center of the frame edge of the negative pressure air frame 71, in the dust removing process of dust, workers open and close the openings of the air inlet pipe orifices 74 according to the scattering condition of dust, when the dust is locally scattered, the workers open the openings of the air inlet pipe orifices 74 in the corresponding direction, when the dust is totally scattered, the workers open all the openings of the air inlet pipe orifices 74 to suck the dust under negative pressure, in the opening process, the workers rotate the knob screw 712 to push the guide sliding seat 710 to slide in the guide rail sliding groove 79 through the transfer transmission of the bearing sleeve 711 to push the guide plate 76 to rotate in the sliding process, the sealing pressure pad 77 is removed from the air inlet pipe orifice 74, so that the air inlet pipe orifice 74 keeps an open state, and the air can be guided in a spiral type circulation state by opening and closing the guide plate 76.
A negative pressure shunt assembly is arranged at the bottom end position of one side of the filter tank 1, the negative pressure shunt assembly comprises a positioning support 10 fixed at the bottom end position of one side of the filter tank 1, a negative pressure fan 9 is arranged above the positioning support 10, a flue gas bin 11 is arranged at the bottom end of the positioning support 10, the negative pressure fan 9 is connected with the air inlet assembly through a telescopic hose 8, a shunt pipeline 12 is symmetrically arranged at the bottom of the flue gas bin 11, an air outlet of the shunt pipeline 12 penetrates through the washing tank 2 and is symmetrically provided with air jet valve heads 21, the number of the air jet valve heads 21 is five, the air jet valve heads 21 are circularly and symmetrically arranged relative to the circle center of the washing tank 2, during dust removal, the negative pressure fan 9 works, the inside of the dust collection mechanism 7 is enabled to form a negative pressure state through the telescopic hose 8, the scattered dust is synchronously subjected to negative pressure adsorption through an air inlet pipe orifice 74, and is adsorbed under negative pressure, carry to in the flue gas storehouse 11, flue gas storehouse 11 shunts the dust flue gas and switches on, carry the dust flue gas to washing jar 2 in through reposition of redundant personnel pipeline 12, under the jet-propelled of jet-propelled valve head 21, with the clean water contact in the washing jar 2, adsorb the settlement processing to the dust in the flue gas.
The inner side of the filtering tank 1 is symmetrically provided with filtering screen layers 22, the end surfaces of the filtering screen layers 22 are symmetrically provided with conical flow guide pipe orifices 23, the inner side of the exhaust tank 4 is provided with exhaust fans 26, the number of the filtering screen layers 22 is four, the four filtering screen layers 22 are sequentially provided with a stainless steel filter screen, an HEPA filter screen, a nanofiber filter screen and an active carbon screen from bottom to top, the number of the conical flow guide pipe orifices 23 is not less than eight, the conical flow guide pipe orifices 23 are staggered relative to the end surfaces of the four filtering screen layers 22, the size of the conical bottom orifices 23 is not higher than 5cm, the size of the conical top orifices is not higher than 1cm, air after sedimentation and adsorption is dispersed into the filtering tank 1 under the suction of the exhaust fans 26, and then filtered and purified by the filtering screen layers 22 of the stainless steel filter screen, the HEPA filter screen, the nanofiber filter screen and the active carbon screen, clean air flows back to the interior of a workshop through the exhaust tank 4, in the filtering and purifying processes, the conical flow guide pipe orifices 23 which are arranged in a staggered manner have good traction flow guide effect, air is conducted in a staggered manner, and the air is guided to flow under the condition that the air is sequentially filtered and isolated by the filter screen layers 22, so that the condition that the gas flow is not smooth due to the fact that the four groups of filter screen layers 22 are too thick is avoided.
The working principle of the invention is as follows: when the dust removal device is used for carrying out a dust removal process on a production workshop of dry-mixed mortar, the dust removal device is pushed to a specified station, then a worker rotates the rotating hand wheel 13 to drive the driving synchronous belt wheel 14 to rotate, the driven synchronous belt wheel 15 is pushed to rotate under the transfer transmission of the synchronous belt 16 through the guide traction transmission of the traction synchronous belt wheel 17, the lifting screw rod 6 is synchronously driven to rotate, the pushing transmission screw sleeve 72 slides on the lifting screw rod 6 to adjust the height position of the dust suction mechanism 7, the dust suction mechanism 7 is moved to the position of a dust dispersion port, the worker opens and closes the opening of the air inlet pipe orifice 74 according to the dispersion condition of dust, when the dust is partially dispersed, the worker opens the opening of the air inlet pipe orifice 74 in the corresponding direction, when the dust is completely dispersed, the worker opens all the openings of the air inlet pipe orifice 74, the dust is sucked in under negative pressure, and further in the dust removing process, the negative pressure fan 9 works, the inside of the dust collection mechanism 7 forms a negative pressure state through the flexible hose 8, the scattered dust is synchronously adsorbed through the air inlet pipe orifice 74 under the negative pressure, the dust is conveyed into the smoke bin 11 under the negative pressure adsorption, the smoke bin 11 divides and conducts the dust smoke, the dust smoke is conveyed into the washing tank 2 through the dividing pipeline 12 and contacts with the cleaning water in the washing tank 2 under the air injection of the air injection valve head 21, the dust in the flue gas is adsorbed and settled, the air after settlement and adsorption is floated in the filter tank 1 under the suction of the exhaust fan 26, and then the clean air flows back to the interior of the workshop through the exhaust tank 4 after being filtered and purified by the filter screen layer 22 of the stainless steel filter screen, the HEPA filter screen, the nanofiber filter screen and the activated carbon screen in sequence.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention are equivalent to or changed within the technical scope of the present invention.
Claims (10)
1. The utility model provides a dry-mixed mortar production is with filtering dust collector, is including filtering jar (1), its characterized in that, the bottom of filtering jar (1) is connected with washing jar (2), and the top of filtering jar (1) is connected with exhaust stack (4), the outside cover of filtering jar (1) is equipped with the subassembly that admits air, and one side of filtering jar (1) is located bottom position department and is provided with negative pressure reposition of redundant personnel subassembly, the inboard symmetry of filtering jar (1) is provided with filters stratum reticulare (22), toper water conservancy diversion mouth of pipe (23) have been seted up to the terminal surface symmetry of filtering stratum reticulare (22), the inboard of exhaust stack (4) is provided with air discharge fan (26).
2. The filtering and dust removing device for dry-mixed mortar production according to claim 1, the air inlet component comprises two groups of positioning ring seats (5) which are symmetrically sleeved on the outer side of the filtering tank (1), the inner side of the positioning ring seat (5) is symmetrically and rotatably connected with a lifting screw rod (6), and a group of rotating handwheels (13) are embedded and connected at the upper positions of the bottom ends of the positioning ring seats (5), the output end of the rotating hand wheel (13) is provided with a driving synchronous belt pulley (14), the output end of the lifting screw rod (6) is provided with a driven synchronous belt pulley (15), one side of the driven synchronous belt wheel (15) is symmetrically provided with a traction synchronous belt wheel (17), the driving synchronous belt wheel (14), the driven synchronous belt wheel (15) and the traction synchronous belt wheel (17) are connected through a synchronous belt (16), and a dust collection mechanism (7) is sleeved on the outer side of the lifting screw rod (6).
3. The filtering and dust removing device for dry-mixed mortar production according to claim 2, wherein the inner side of the synchronous belt (16) is provided with transmission teeth matched with the driving synchronous pulley (14), the driven synchronous pulley (15) and the traction synchronous pulley (17), the driving synchronous pulley (14), the driven synchronous pulley (15) and the traction synchronous pulley (17) have the same size, and the driving synchronous pulley (14), the driven synchronous pulley (15) and the traction synchronous pulley (17) synchronously rotate through the synchronous belt (16).
4. The filtering and dust removing device for the dry-mixed mortar production according to claim 2, wherein the dust collection mechanism (7) comprises a negative pressure air frame (71), a transmission thread sleeve (72) matched with the lifting screw rod (6) is arranged on the inner side of the negative pressure air frame (71) in a penetrating manner, air inlet nozzles (74) are symmetrically arranged on the outer side of the negative pressure air frame (71), a negative pressure air port (73) is arranged on the bottom end surface of the negative pressure air frame (71), a rotating seat (75) is arranged at one end, located at the air inlet nozzles (74), of the inner side of the negative pressure air frame (71), the output end of the rotating seat (75) is rotatably connected with a guide plate (76), a sealing side end pad (77) is arranged on the front side end surface of the guide plate (76) opposite to the air inlet nozzles (74), a compression spring (78) is symmetrically connected on the back end surface of the guide plate (76), a guide rail sliding groove (79) is arranged at one end position of the front surface of the guide plate (76), the inboard block of guide rail spout (79) has direction slide (710), the outside of negative pressure wind frame (71) is just being twisted in to the other end embedding of air inlet pipe mouth (74) and is had knob screw rod (712), the bottom of knob screw rod (712) is provided with bearing housing (711), and knob screw rod (712) are connected with direction slide (710) through bearing housing (711).
5. The filtering and dust removing device for the dry-mixed mortar production according to claim 4, wherein the negative pressure air frame (71) is of a regular hexagon structure, the number of the air inlet nozzles (74) is six, and the air inlet nozzles (74) are positioned at the right center of the frame edge of the negative pressure air frame (71).
6. The filtering and dust removing device for the dry-mixed mortar production according to claim 1, wherein the negative pressure shunting assembly comprises a positioning support (10) fixed at the bottom end position of one side of the filtering tank (1), a negative pressure fan (9) is arranged above the positioning support (10), a smoke bin (11) is arranged at the bottom end of the positioning support (10), the negative pressure fan (9) is connected with the air inlet assembly through a telescopic hose (8), shunting pipelines (12) are symmetrically arranged at the bottom of the smoke bin (11), and air outlets of the shunting pipelines (12) penetrate through the washing tank (2) and are symmetrically provided with air injection valve heads (21).
7. The filtering and dust removing device for the dry-mixed mortar production according to claim 6, wherein the number of the air injection valve heads (21) is five, and the air injection valve heads (21) are circularly and symmetrically arranged relative to the circle center of the washing tank (2).
8. The filtering and dust removing device for the dry-mixed mortar production according to claim 1, wherein a pushing platform (3) is arranged at the bottom of the washing tank (2), a water injection valve port (18) is connected to a port of the washing tank (2), and a drain valve port (19) is connected to the bottom end surface of the washing tank (2) through the pushing platform (3).
9. The filtering and dust removing device for the dry-mixed mortar production according to claim 1, wherein the number of the filtering net layers (22) is four, the four filtering net layers (22) are sequentially a stainless steel filter screen, a HEPA filter screen, a nanofiber filter screen and an activated carbon screen from bottom to top, the number of the conical diversion pipe orifices (23) is not less than eight, the conical diversion pipe orifices (23) are arranged in a mutually staggered manner relative to the end surfaces of the four filtering net layers (22), the conical bottom caliber of the conical diversion pipe orifices (23) is not higher than 5cm, and the conical top caliber is not higher than 1 cm.
10. The filtering and dust removing device for the dry-mixed mortar production according to claim 1, wherein a stirring motor (20) is arranged at the middle position of the bottom end of the washing tank (2), a stirring support arm (24) is arranged at the end face of the output end of the stirring motor (20) penetrating through the washing tank (2), and a scraper plate (25) is arranged at the top end of the stirring support arm (24).
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| CN202111505226.3A CN114100295A (en) | 2021-12-10 | 2021-12-10 | Filtering and dust removing device for producing dry-mixed mortar |
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| CN202111505226.3A CN114100295A (en) | 2021-12-10 | 2021-12-10 | Filtering and dust removing device for producing dry-mixed mortar |
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| CN113617210A (en) * | 2021-08-16 | 2021-11-09 | 淅川中联水泥有限公司 | Combined desulfurization and denitrification device for novel dry-process clinker production line |
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