CN210701161U

CN210701161U - Environment-friendly dust removal winnowing machine

Info

Publication number: CN210701161U
Application number: CN201921344860.1U
Authority: CN
Inventors: 王会良; 杨艳柳; 刘华亮; 姜建良; 宁昭雷
Original assignee: Shijiazhuang Julite Machinery Co ltd
Current assignee: Shijiazhuang Julite Machinery Co ltd
Priority date: 2019-08-19
Filing date: 2019-08-19
Publication date: 2020-06-09
Anticipated expiration: 2029-08-19

Abstract

The utility model relates to an environmental protection dust removal air separator, it includes grain inlet, negative pressure proportion platform, dust collector and pulse dust remover, negative pressure proportion platform is including setting up the dust excluding hood that is gone into grain inlet below and is linked together with grain inlet, setting up the proportion platform and the proportion drive arrangement who is used for driving the proportion platform vibration below the dust excluding hood, be provided with the pan feeding passageway that is used for with grain inlet intercommunication on the dust excluding hood, be provided with discharge baffle on the lateral wall of pan feeding passageway, discharge baffle's upper end and pan feeding passageway pivot are connected; the utility model discloses improved the structure of income grain mouth, increased a baffle at discharge gate ejection of compact lower extreme, under natural state because the action of gravity baffle plugs up the pan feeding passageway, and when grain passes through, can solve the problem of leaking out of pan feeding in-process according to its aperture of two-layer thickness automatic adjustment, realized the high-efficient utilization of the amount of wind, improved the selection by winnowing effect.

Description

Environment-friendly dust removal winnowing machine

Technical Field

The utility model relates to a grain screening installation field specifically is an environmental protection dust removal air separator.

Background

Traditional selection by winnowing proportion cleaning equipment, the material generally only passes through vertical air sieve or horizontal air sieve one, and reentrant proportion platform carries out than reselecting, or gets into the classified screening, and the structure of equipment can produce the problem in several respects below:

1. when the yield is large, the winnowing effect is poor, after the actual processing of equipment reaches a certain yield, the light impurities are easy to be pressed down by the materials due to the fact that the speed of the materials entering the vertical air screen is too high, the dust in the raw materials is difficult to be effectively removed by the vertical air screen, and a large amount of raised dust and light peel are generated after the materials enter the specific gravity table;

2. heavy and light vertical air sieves cannot be removed, so that the heavy and light vertical air sieves are seriously blocked after entering the classifying sieves, and the normal classification of the classifying sieves is influenced.

3. The traditional air-screen specific gravity cleaning and sorting machine cannot ensure the cleanliness of finished products in large yield and can only carry out small-yield processing;

4. for example, the stepped structure adopted by the horizontal vibrating air sieve with the Chinese patent No. CN201020224804.7, when the material flows to the impurity suction port of the fourth cover plate, light impurities can be sucked into the horizontal vibrating air sieve, the material is still separated by the air port in a material rush current mode, when the material layer with the overlarge output is too thick, the excessive light impurities still cannot be removed, the fish scale sieve holes are easy to block during actual processing, only the light impurities and the heavy impurities can be removed, and the heavy impurities and the light impurities cannot be removed;

5. the traditional air-screen cleaning and sorting machine is provided with a spiral dust remover, but the spiral dust remover can only filter dust particles more than 10 microns, and the air outlet of the fan can still blow a large amount of smoke dust, so that the national environmental protection monitoring requirement cannot be met.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that an environmental protection dust removal air separator that can guarantee that selection by winnowing cleanliness index accords with national environmental protection requirement simultaneously when the large production is provided.

The utility model adopts the technical proposal that: an environment-friendly dust removal winnowing machine comprises a grain inlet, a negative pressure specific gravity table communicated with the grain inlet, a dust removal device arranged on one side of the negative pressure specific gravity table and a pulse dust collector communicated with the dust removal device.

Furthermore, the negative pressure ratio platform is including setting up in going into grain mouth below and with going into the dust excluding hood that the grain mouth is linked together, setting up the ratio platform in the dust excluding hood below and be used for driving the specific gravity drive arrangement of ratio platform vibration be provided with on the dust excluding hood be used for with go into the pan feeding passageway of grain mouth intercommunication, be provided with discharge baffle on the lateral wall of pan feeding passageway, discharge baffle's upper end is connected with pan feeding passageway pivot, and its lower extreme is the free end.

Furthermore, one side of the dust hood, which is close to the upper discharge end of the specific weight platform, is provided with a reverse blowing port, the blowing direction of which is opposite to the flowing direction of the good material on the specific weight platform.

Furthermore, a good material receiving hopper is arranged at the high end of the specific weight platform, and a waste material receiving hopper is arranged at the low end of the specific weight platform.

Furthermore, dust collector includes the setting bin, is located the top of setting bin and is used for inhaling the material mouth that is linked together with the dust excluding hood, sets up the granule trash extraction mouth in the setting bin bottom and is located the bottom of setting bin and is used for the tuber pipe that is linked together with the dust remover.

Furthermore, a sedimentation guide plate is arranged inside the box body of the sedimentation box, and heavy particles are discharged into the particle impurity discharging port by the sedimentation guide plate.

Further, subside the guide plate and be two, the symmetry sets up in the inside left and right sides of settling tank to be hourglass hopper-shaped, the bits are arranged miscellaneous mouthful and two it is corresponding to subside the opening that the guide plate bottom end formed.

Furthermore, the pulse dust collector comprises a shell, an air inlet arranged on the shell, a dust collection drawer arranged at the bottom of the side surface of the shell, a pulse valve arranged in the shell and a dust collection filter cylinder communicated with the pulse valve; and the air inlet is communicated with a dust removal device.

Furthermore, the internal space of the shell is divided into an air inlet cavity and a dust removal cavity by a partition plate in the shell, the pulse valve is arranged in the air inlet cavity, the dust removal filter cylinder is arranged in the dust removal cavity, and the dust collection drawer is positioned at the bottom of the dust removal cavity.

Furthermore, the pulse valve is arranged on the partition plate between the air inlet cavity and the dust removal cavity.

Furthermore, one end of the dust removal filter cylinder is fixed on the partition plate and communicated with the pulse valve, and the other end of the dust removal filter cylinder is fixed on the inner wall of the shell.

Furthermore, the lower end of the air inlet cavity is divided into an equipment cavity by a partition plate, a centrifugal fan is arranged in the equipment cavity, and the centrifugal fan is communicated with the air inlet cavity through an air hole formed in the partition plate.

The utility model discloses an actively the effect does:

1. the utility model discloses improved the structure of income grain mouth, increased a baffle at discharge gate ejection of compact lower extreme, under natural state because the action of gravity baffle plugs up the pan feeding passageway, and when grain passes through, can solve the problem of leaking out of pan feeding in-process according to its aperture of two-layer thickness automatic adjustment, realized the high-efficient utilization of the amount of wind, improved the selection by winnowing effect. The reverse blowing port is additionally arranged on the discharge side of the air suction cover, so that the light impurity backflow efficiency of the specific gravity table is improved, and the winnowing effect is improved. The utility model discloses a intercommunication wind selector on the dust excluding hood, the material carries out selection by winnowing dust removal work from going into the in-process that the grain mouth fell into the proportion platform, adopts the flexible coupling between dust excluding hood and the proportion platform simultaneously, has improved the connection leakproofness, has solved the problem of leaking out, has improved the rate of utilization of the amount of wind.

2. The utility model discloses added pulse dust collector, in fan export exhaust wind from spiral dust collector can enter into pulse dust collector, further dust removal work is carried out through it, makes the combustion gas smoke and dust content lower, accords with the requirement of national environmental protection more. And meanwhile, the centrifugal fan is arranged, so that the ventilation volume can be increased, and the larger ventilation volume is realized under the condition of smaller volume. Meanwhile, the pulse dust collector is reasonable in structural arrangement, compact in structure and small in size.

3. The utility model discloses a dust collector design has settling tank and particle to arrange miscellaneous mouthful, and when the amount of wind of selection by winnowing was great, from the heavy matter that the inlet scoop got into light miscellaneous and particle etc. can arrange miscellaneous mouthful discharge from the particle through settling tank, and light miscellaneous discharges from the tuber pipe under spiral dust collector's effect, has realized ventilating and has subsided the function that heavy matter is light miscellaneous, realizes the separation of light impurity and heavy matter impurity.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the negative pressure weighting platform of the present invention;

FIG. 3 is a schematic sectional view of the negative pressure weight table of the present invention;

FIG. 4 is a schematic view of the structure of the specific gravity table of the present invention;

FIG. 5 is a schematic structural view of the pulse dust collector of the present invention;

FIG. 6 is a schematic sectional view of the pulse dust collector of the present invention;

FIG. 7 is a schematic view of the dust removing device of the present invention;

FIG. 8 is a schematic view of the structure of the baffle of the present invention.

Detailed Description

As shown in attached figures 1-8, the utility model comprises a grain inlet 1, a negative pressure proportion platform 2 communicated with the grain inlet 1, a dust removing device arranged on one side of the negative pressure proportion platform 2 and a pulse dust remover 4 communicated with the dust removing device.

The negative pressure specific weight platform 2 comprises a dust hood 201 arranged below the grain inlet 1 and communicated with the grain inlet 1, a specific weight platform 202 arranged below the dust hood 201 and a vibrating device used for driving the specific weight platform 202 to vibrate, and the air separation device is communicated with the dust hood 201. Be provided with on dust excluding hood 201 and be used for with going into pan feeding passageway 206 of grain mouth 1 intercommunication and be used for the selection by winnowing passageway 207 that is linked together with wind selector, the lower extreme of pan feeding passageway 206 is the wedge and stretches into inside the dust excluding hood 201 corresponding with the mesa of proportion platform 202, the lateral wall upper shed at the downside end of pan feeding passageway 206 is used for the material to flow out, be provided with baffle 101 at this opening part, the upper end of baffle 101 and pan feeding passageway 206 realize rotating through the pivot and be connected, its lower extreme forms the free end, can be according to the thickness automatic adjustment aperture of grain layer, the air leakage rate has been reduced, the air leakage problem of pan feeding in-process has been solved, the high-efficient utilization of the air rate has been realized, the selection by winnowing.

Meanwhile, the bulk grain plate 102 is arranged below the baffle 101, and materials fall onto the bulk grain plate 102 and then enter the proportion table 202, so that the feeding channel 206 has a bulk grain function. When the material is discharged from the material inlet channel 206, the air separation and dust removal work is performed under the action of the air separation device.

Dust excluding hood 201 and proportion platform 202 flexible coupling improve the dust excluding hood 201 and the connection leakproofness of proportion platform 202, reduce the problem of leaking out, improve the amount of wind utilization.

The reverse blowing port 208 is additionally arranged on one discharging side of the dust hood 201, the reverse blowing port 208 blows air to the specific gravity table 202, the air direction is opposite to the flow direction of good materials on the specific gravity table 202 or an included angle is an obtuse angle, the light impurity backflow efficiency of the specific gravity table is improved, and the winnowing effect is improved.

A good material receiving hopper 204 is provided at the high end of the weight table 202, and a waste material receiving hopper 203 is provided at the low end thereof. A particle collecting plate 209 is arranged below the specific weight platform 202, and a particle collecting port 210 is arranged at the lower side end of the particle collecting plate 209, so that the problem of impurity leakage of the fish scale sieve sheet is solved.

A triangular impurity collecting guide plate 205 is arranged on one side of the specific gravity table 202 close to the bottom side end, one side edge of the impurity collecting guide plate 205 corresponds to the bottom side end of the table top of the specific gravity table 202, and the tip end of the impurity collecting guide plate faces to the high end of the specific gravity table 202, so that light impurities are gathered more smoothly, and the specific gravity separation purity is higher.

The vibrating means includes a connecting rod 5 having one end hinged to the specific gravity table 202 and an eccentric vibrating means connected to the other end of the connecting rod 5.

The utility model discloses a modular design goes into grain mouth 1, negative pressure ratio platform 2 and as a whole module, pulse dust collector and dust collector also modular design simultaneously, and convenient to detach installs, and area is little.

The dust removal device comprises a settling tank 302, a material suction port 301 which is positioned at the top of the settling tank 302 and is communicated with the dust hood 201, a particle impurity discharge port 304 which is arranged at the bottom of the settling tank 302, and an air pipe 305 which is positioned at the bottom of the settling tank 302 and is communicated with the spiral dust remover.

Two sedimentation guide plates 303 are arranged in the box body of the sedimentation box 302 and symmetrically arranged at the left side and the right side in the sedimentation box 302, the two sedimentation guide plates 303 form a funnel shape, and the crushed particle impurity discharging port 304 corresponds to an opening formed at the bottom end of the sedimentation guide plates 303 and is used for discharging heavy crushed particles into the crushed particle impurity discharging port 304.

The two sedimentation guide plates 303 can receive heavy impurities and light impurities, then the heavy impurities and the light impurities flow downwards along the sedimentation guide plates 303 under the action of self gravity and wind power, and because the heavy impurities and the light impurities have larger weight, the heavy impurities and the light impurities cannot enter the air pipe 305 due to negative pressure, and the heavy impurities and the light impurities can vertically fall into the particle impurity discharging port 304 and then are discharged and collected through the particle impurity discharging pipe 306. As for light weight and light impurities, the particles will enter the air pipe 305 under the action of negative pressure and will not fall into the particle discharge port 304. The heavy and light impurities are mixed with particles, and the collected heavy and light impurities are processed and screened again to select the particles. The utility model discloses a reasonable in design's settling cask inner structure has realized the light separation of mixing and heavy matter mixing.

The pulse dust collector 4 comprises a square shell 401, an air inlet 402 arranged at the upper end of the side wall of the shell 401, a dust collection drawer 403 arranged at the bottom of the side surface of the shell 401, a pulse valve 405 arranged in the shell 401 and a dust collection filter cylinder 406 communicated with the pulse valve 405. Air intake 402 is linked together with the air outlet of spiral dust remover, collects from the spiral dust remover combustion gas, enters into the utility model discloses further dust removal work is carried out afterwards, makes final combustion gas smoke and dust still less, satisfies national environmental protection requirement. The pulse dust collector adopts a totally-enclosed structure on the basis of ensuring the ventilation quantity, and the space utilization rate is high.

The internal space of the shell 401 is divided into an air inlet cavity 404, a dust removing cavity 407 and an equipment cavity 409 by a partition board in the shell 401, the pulse valve 405 is installed on the partition board between the air inlet cavity 404 and the dust removing cavity 407 and is positioned in the air inlet cavity 404, the dust removing filter cartridge 406 is arranged in the dust removing cavity 407, one end of the dust removing filter cartridge is fixed on the partition board and communicated with the pulse valve 405, and the other end of the dust removing filter cartridge is fixed on the inner wall of the shell 401. A centrifugal fan 408 is arranged in the equipment cavity 409, a partition plate between the equipment cavity 409 and the air inlet cavity 404 is provided with an air vent, and the centrifugal fan 408 is communicated with the air inlet cavity 409 through the air vent.

The dust collection filter cartridge 406 is obliquely arranged, one end of the dust collection filter cartridge connected with the pulse valve 405 is higher than the other end of the dust collection filter cartridge, the dust collection cavity 407 is funnel-shaped, the dust collection drawer 403 is positioned at the bottom of the dust collection cavity 407 and corresponds to the bottom outlet of the dust collection cavity 407 and is used for collecting the smoke dust screened under the action of the pulse valve 405 and the dust collection filter cartridge 406, the dust collection drawer 403 can be drawn out of the shell 401, the smoke dust in the dust collection drawer 403 can be cleaned regularly, and meanwhile, the operation is simple and convenient.

The utility model discloses a negative pressure proportion platform carries out the selection by winnowing, can be under the operating mode of large-output processing, get rid of the dust, light skin, light miscellaneous such as heavy matter is miscellaneous lightly, the dust, light miscellaneous such as light skin gets into the spiral dust remover through the wind channel, mainly get rid of graininess light skin miscellaneous in spiral dust remover stage, then the air current through the spiral dust remover reenters the pulse dust remover and carries out the secondary and remove dust, the pulse dust remover mainly filters the dust below 10 mu m, the air current through the pulse dust remover passes through the centrifugal fan discharge machine body outside, accomplish the screening of material.

The second stage dust removal is configured, the first stage dust removal device is cyclone dust removal, larger particles are pre-separated according to the aerodynamic principle to be used as first stage purification, and the second stage is a filter drum type dust remover. The dust removal efficiency can reach 99 percent, and the dust removal agent meets the requirements of GB 16297-1996 'comprehensive emission standard of atmospheric pollutants' and meets the emission test standard of GBJ 4-73 industry 'three wastes'. The dust is directly discharged into the air after passing through the dust removal system, and the concentration of dust discharged into the atmosphere is less than or equal to 50mg/m³No other purification equipment is needed.

The utility model discloses when using, the material at first promotes through the lifting machine, goes into the grain mouth through the conveying pipeline with grain feeding, goes into the grain mouth and not only has the function of temporary storage storehouse, can also send into the ratio after evenly scattering the material simultaneously and reselect the mesa. The full good grains move to the high end of the specific gravity table after being sorted by the specific gravity table, and are discharged through a good grain outlet to enter the next procedure; the heavy and light (the impurities which can not be pumped away by wind) moves to the lower end and is discharged from a specific gravity and light outlet. Light weight such as dust light leather enters the bolt dust remover through the air duct, light leather impurities are settled through the spiral dust remover and are discharged through the spiral auger air-lock device, and smoke dust enters the pulse dust remover from the air outlet of the spiral dust remover for further dust removal.

The utility model discloses can guarantee the selection by winnowing cleanliness index when the large production, solve the hourglass crushed grain problem when containing the crushed grain more in the raw materials, improve the whole wind-force of equipment and collected the performance of impurity. Meanwhile, the proportion driving device adopts balance iron which is convenient to disassemble and assemble, so that the equipment is more stable in operation, and the stability of the whole machine of the heightening equipment is improved.

Claims

1. An environment-friendly dust removal winnowing machine is characterized by comprising a grain inlet (1), a negative pressure proportion platform (2) communicated with the grain inlet (1), a dust removal device arranged on one side of the negative pressure proportion platform (2) and a pulse dust remover (4) communicated with the dust removal device;

negative pressure ratio heavily platform (2) including set up in grain mouth (1) below and with go into dust excluding hood (201) that grain mouth (1) is linked together, set up ratio heavily platform (202) below dust excluding hood (201) and be used for driving the proportion drive arrangement of ratio heavily platform (202) vibration be provided with on dust excluding hood (201) be used for with go into pan feeding passageway (206) of grain mouth (1) intercommunication, be provided with on the lateral wall of pan feeding passageway (206) discharge baffle (101), the upper end and the pan feeding passageway (206) pivot of discharge baffle (101) are connected, and its lower extreme is the free end.

2. The environment-friendly dedusting air separator according to claim 1, characterized in that a reverse blowing port (208) with a blowing direction opposite to the flowing direction of the material on the specific weight table (202) is arranged on one side of the dedusting cover (201) close to the upper discharging end of the specific weight table (202).

3. The environmental protection dust removal winnowing machine according to claim 1, characterized in that a good material receiving hopper (204) is arranged at the high end of the specific weight platform (202), and a waste material receiving hopper (203) is arranged at the low end thereof.

4. The environment-friendly dust-removing air separator according to claim 1, wherein the dust-removing device comprises a settling tank (302), a material suction port (301) positioned at the top of the settling tank (302) and used for being communicated with the dust-removing cover (201), a crushed particle impurity discharging port (304) arranged at the bottom of the settling tank (302), and an air pipe (305) positioned at the bottom of the settling tank (302) and used for being communicated with the dust remover.

5. The environment-friendly dedusting air separator according to claim 4, characterized in that a sedimentation guide plate (303) is arranged inside the box body of the sedimentation box (302), and the sedimentation guide plate (303) discharges heavy particles into the particle impurity discharging opening (304).

6. The environmental protection dust removal winnowing machine of claim 5, characterized in that two of said sedimentation guide plates (303) are symmetrically arranged at the left and right sides inside the sedimentation box (302) and are funnel-shaped, and said crumb discharging port (304) corresponds to the opening formed at the bottom end of two of said sedimentation guide plates (303).

7. The environment-friendly dust-removing air separator as claimed in claim 1, wherein the pulse dust collector comprises a shell (401), an air inlet (402) arranged on the shell (401), a dust-collecting drawer (403) arranged at the bottom of the side surface of the shell (401), a pulse valve (405) arranged in the shell (401) and a dust-removing filter cartridge (406) communicated with the pulse valve (405); the air inlet (402) is communicated with a dust removal device;

the inner space of the shell (401) is divided into an air inlet cavity (404) and a dust removal cavity (407) by a partition board in the shell (401), the pulse valve (405) is arranged in the air inlet cavity (404), the dust removal filter cartridge (406) is arranged in the dust removal cavity (407), and the dust collection drawer (403) is positioned at the bottom of the dust removal cavity (407).

8. The environmental protection dust-removing winnowing machine according to claim 7, characterized in that the pulse valve (405) is arranged on the partition between the air inlet chamber (404) and the dust-removing chamber (407).

9. The environmental protection dust-removing winnowing machine according to claim 7, characterized in that one end of said dust-removing filter cartridge (406) is fixed on the partition plate and is communicated with the pulse valve (405), and the other end is fixed on the inner wall of the housing (401).

10. The environment-friendly dedusting air separator according to claim 7, characterized in that the lower end of the air inlet chamber (404) is divided into an equipment chamber (409) by a partition plate, a centrifugal fan (408) is arranged in the equipment chamber (409), and the centrifugal fan (408) is communicated with the air inlet chamber (404) by an air vent arranged on the partition plate.