CN212790293U - Secondary dust falling device of dust remover - Google Patents
Secondary dust falling device of dust remover Download PDFInfo
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- CN212790293U CN212790293U CN202021639661.6U CN202021639661U CN212790293U CN 212790293 U CN212790293 U CN 212790293U CN 202021639661 U CN202021639661 U CN 202021639661U CN 212790293 U CN212790293 U CN 212790293U
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- dust
- dust remover
- water baffle
- pipe
- box body
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- 239000000428 dust Substances 0.000 title claims abstract description 131
- 238000005507 spraying Methods 0.000 claims abstract description 39
- 230000007246 mechanism Effects 0.000 claims abstract description 27
- 239000007921 spray Substances 0.000 claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 82
- 239000002002 slurry Substances 0.000 claims description 33
- 238000000746 purification Methods 0.000 claims description 9
- 241000405070 Percophidae Species 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000013618 particulate matter Substances 0.000 abstract description 6
- 239000007787 solid Substances 0.000 abstract description 4
- 230000032683 aging Effects 0.000 abstract description 3
- 230000018044 dehydration Effects 0.000 abstract description 2
- 238000006297 dehydration reaction Methods 0.000 abstract description 2
- 208000005156 Dehydration Diseases 0.000 abstract 1
- 238000001914 filtration Methods 0.000 description 11
- 230000007613 environmental effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 239000008187 granular material Substances 0.000 description 3
- 238000012216 screening Methods 0.000 description 3
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 2
- 230000015271 coagulation Effects 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model relates to a dust remover secondary dust device, including dust remover, dust intake pipe, dust remover blast pipe, a mud delivery pipe and emission chimney, its characterized in that is equipped with secondary dust device between dust remover blast pipe and emission chimney, secondary dust device include the box, set up the dustless blast pipe in the box outside, set up mud discharge gate and secondary mud delivery pipe in the box lower part, from left to right set gradually once in the box spray mechanism, a breakwater, secondary spray mechanism, secondary breakwater and cubic breakwater. The utility model has the advantages that: the dust discharged by the dust collector is subjected to twice spraying and three times of turning back dust fall and dehydration treatment, so that the problem of secondary dust emission at an exhaust funnel caused by the reduction of the capability of trapping, intercepting and condensing particulate matters caused by the aging of a wet dust collector is effectively solved, and the final exhaust can reach the organized solid particulate matter emission standard required by the state.
Description
Technical Field
The utility model belongs to the technical field of the environmental protection is held, especially, relate to a dust remover secondary dust device.
Background
For years, the dust removal environmental protection technology in China keeps a faster development speed, and according to international experience, only by continuously increasing the environmental protection investment in the economic high-speed growth period, the environmental protection industry reaches 3% of GDP (gas diffusion plate), the pollution can be more effectively controlled, and the environmental protection is adapted to the economic development. In ferrous metal, non ferrous metal ore dressing factory, crushing and screening operation is as the main particulate matter pollution source in the production process, solve the dust fall problem in crushing and screening workshop, one of the technological problems that the ore dressing factory faces, generally all be supporting in crushing and screening workshop and have the higher wet dust collector of dust collection efficiency, though this kind of dust collector gathers dust, the dust fall effect is more obvious, along with the increase of service life, the equipment body is ageing gradually, make the dust collector entrapment, the ability of intercepting and condensing particulate matter descend, can't make the dust granule effectual stay in the fixed container, but flow into the factory building outdoors along with the exhaust, lead to the secondary raise dust, can not satisfy "air contaminant comprehensive emission standard".
Disclosure of Invention
The utility model aims at overcoming the not enough of prior art, provide one kind and gather dust, dust fall effect is obvious, and the exhaust solid particulate matter that can satisfy the national requirement organizes emission standard's dust remover secondary dust device.
The utility model discloses a realize through following technical scheme:
the utility model discloses a secondary dust device of dust remover, including dust remover, dust intake pipe, dust remover blast pipe, primary mud discharge pipe and emission chimney, the dust intake pipe sets up in dust remover lower part one side, and primary mud discharge pipe sets up in the dust remover bottom, and the dust remover blast pipe sets up on dust remover upper portion, and its characterized in that is equipped with secondary dust device between dust remover blast pipe and emission chimney, secondary dust device include the box, set up the dustless blast pipe in the box outside, set up mud discharge gate and secondary mud discharge pipe in the box lower part, from left to right set gradually in the box once spray mechanism, once breakwater, secondary spray mechanism, secondary breakwater and cubic breakwater;
the box body is a rectangular box body and consists of a front side plate, a rear side plate, a left side plate, a right side plate, a box body upper cover plate and a hopper-shaped bottom plate, wherein a secondary dust air inlet and a secondary purification air outlet are respectively formed in the upper parts of the left side plate and the right side plate, the slurry discharge port is arranged at the lower part of the hopper-shaped bottom plate, the dust remover exhaust pipe is communicated with the air inlet of the box body, one end of the dust-free exhaust pipe is fixedly connected with the secondary purification air outlet of the box body, the other end of the dust-free exhaust pipe is communicated with a discharge chimney, one end of the secondary slurry discharge pipe is connected;
the primary spraying mechanism consists of a water supply main pipe I, a plurality of spraying branch pipes I vertically connected with the water supply main pipe I and spray heads I arranged at the end parts of the spraying branch pipes I, wherein the spraying branch pipes I832 are arranged close to the secondary dust air inlet 82 and penetrate through an upper cover plate of the box body to be arranged in the box body;
the primary water baffle is arranged on the right side of the primary spraying mechanism, the upper end of the primary water baffle is vertically fixed on the lower part of the upper cover plate of the box body, the two ends of the primary water baffle are fixedly connected with the front side plate and the rear side plate, the lower end of the primary water baffle is inserted into the box body, the lower end of the secondary water baffle is vertically fixed on the upper part of the slurry discharge port, the two ends of the secondary water baffle are fixedly connected with the front side plate and the rear side plate;
the secondary spraying mechanism consists of a water supply header pipe II, a plurality of spraying branch pipes II vertically connected with the water supply header pipe II and spray heads II arranged at the ends of the spraying branch pipes II, and the spraying branch pipes II of the secondary spraying mechanism penetrate through the front side plate and are obliquely arranged between the primary water baffle and the secondary water baffle;
the third water baffle is made of a steel plate with air holes, is obliquely arranged between the secondary water baffle and the secondary purification exhaust port, and is fixedly connected with the front side plate and the rear side plate at two ends;
and one end of the secondary slurry discharge pipe is fixedly communicated with the slurry discharge port, and the other end of the secondary slurry discharge pipe is communicated with the primary slurry discharge pipe.
Furthermore, the caliber of a dust-containing gas channel formed by the primary water baffle, the secondary water baffle and the box body is the same as the sectional area of the diameter of the exhaust pipe of the dust remover.
Furthermore, the number of the spraying branch pipes I and the number of the spraying branch pipes II are 3-5.
Further, the length of the primary water baffle is 1.5 times of the diameter of the exhaust pipe 2 of the dust remover.
Furthermore, the air holes of the three water baffles are phi 10 mm.
The utility model has the advantages that:
the utility model discloses owing to set up two in secondary dust device and spray the mechanism, three breakwater makes the dust experience the secondary again and sprays, and the tertiary dust fall and the dehydration of turning back are handled, have solved the ageing entrapment that leads to of wet dust collector effectively, interception and the particle capacity of condensing descend, can't make the dust granule effectual stay in fixed container, lead to the problem of aiutage secondary raise dust, make the solid particulate matter that final exhaust can reach the national requirement organize emission standard.
The utility model discloses compact structure, simple, cost are low, and equipment maintenance is simple, structure science, long service life, occupation space are little, and the scene need not personnel's operation and can reach reliable operation, and dust collection efficiency is higher, and can not lead to blockking up.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an enlarged view of the structure of the secondary dust settling device.
Fig. 3 is a sectional view a-a of fig. 2.
Fig. 4 is a left side view of fig. 2.
FIG. 5 is an enlarged view of the triple water deflector.
Fig. 6 is a sectional view B-B of fig. 5.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1-6, the utility model discloses a secondary dust-settling device of dust remover, including dust remover 1, dust intake pipe 3, dust remover blast pipe 2, primary mud discharge pipe 4 and emission chimney 7, dust intake pipe 3 sets up in dust remover 1 lower part one side, primary mud discharge pipe 4 sets up in dust remover 1 bottom, dust remover blast pipe 2 sets up in dust remover 1 upper portion, its characterized in that is equipped with secondary dust-settling device 8 between dust remover blast pipe 2 and emission chimney 7, secondary dust-settling device 8 include the box, set up dustless blast pipe 9 outside the box, set up in the mud discharge gate 89 and secondary mud discharge pipe 6 of box lower part, set up primary spray mechanism 83, primary breakwater 84, secondary spray mechanism 88, secondary breakwater 87 and cubic breakwater 85 in the box from left to right in proper order;
the box body is a rectangular box body and consists of a front side plate 815, a rear side plate 816, a left side plate 811, a right side plate 814, a box body upper cover plate 812 and a hopper-shaped bottom plate 813, wherein the upper parts of the left side plate 811 and the right side plate 814 are respectively provided with a secondary dust air inlet 82 and a secondary purification air outlet 86, the slurry discharge port 89 is arranged at the lower part of the hopper-shaped bottom plate 813, the dust remover exhaust pipe 2 is communicated with the secondary dust air inlet 82 of the box body, one end of the dust-free exhaust pipe 9 is fixedly connected with the secondary purification air outlet 86 of the box body, the other end of the dust-free exhaust pipe is communicated with the discharge chimney 7, one end of the secondary slurry discharge pipe 6 is connected with the slurry;
the primary spraying mechanism consists of a water supply header pipe I831, a plurality of spraying branch pipes I832 vertically connected with the water supply header pipe I831 and spray heads I833 arranged at the end parts of the spraying branch pipes I832, the spray heads I833 are multi-point duckbill spray heads, and the spraying branch pipes I832 are arranged close to the secondary dust air inlet 82 and penetrate through an upper cover plate 812 of the box body to be arranged in the box body;
the primary water baffle 84 is arranged on the right side of the primary spraying mechanism, the upper end of the primary water baffle is vertically fixed on the lower part of the upper cover plate 812 of the box body, the two ends of the primary water baffle are fixedly connected with the front side plate 815 and the rear side plate 816, the lower end of the primary water baffle is inserted into the box body, and the length of the primary water baffle is 1.5 times of the diameter of the exhaust pipe 2 of the dust remover, so that a;
the lower end of the secondary water baffle 87 is vertically fixed at the upper part of the slurry discharge port 89, the two ends of the secondary water baffle are fixedly connected with the front side plate 815 and the rear side plate 816, the upper end of the secondary water baffle is higher than the bottom end of the primary water baffle 84, the secondary spraying mechanism 88 consists of a water supply main pipe II 881, a plurality of spraying branch pipes II 882 vertically connected with the water supply main pipe II 881 and spray heads II 883 arranged at the end parts of the spraying branch pipes II 882, and the spray heads II 883 are multi-point duckbill spray heads; a spray branch pipe II 882 of the secondary spray mechanism penetrates through a front side plate 815 and is obliquely arranged between the primary water baffle 84 and the secondary water baffle 87 to form a secondary dust-settling filtering area; the number of the spraying branch pipes I832 and the number of the spraying branch pipes II 882 are 3-5, the inclination angle of the secondary spraying mechanism is 45 degrees, and the bottom edge of the primary water baffle and the bottom edge of the secondary water baffle are connected to form a water curtain;
the third water baffle 85 is obliquely arranged between the second water baffle 87 and the second purification air outlet 86, and two ends of the third water baffle are fixedly connected with the front side plate 815 and the rear side plate 816 to form a third dust-settling filtering area; the third water guard plate 85 is made of a steel plate which is evenly punched with air holes 851 with the diameter of 10mm, as shown in fig. 5 and 6.
One end of the secondary slurry discharge pipe 6 is fixedly communicated with the slurry discharge port 89, and the other end is communicated with the primary slurry discharge pipe 4.
The utility model discloses a theory of operation is:
the secondary dust-settling device 8 is mounted between the dust remover exhaust pipe 2 and the discharge chimney 7 in a suspended mode, dust gas exhausted by a fan of the dust remover 1 enters a box body of the secondary dust-settling device 8 through the dust remover exhaust pipe 2, the dust gas firstly passes through the comprehensive action of dust catching and coagulation mechanisms of the primary spraying mechanism 83, dust-containing slurry water impacts on the primary water baffle plate 84 by virtue of air inlet power and automatically flows into the front half area of the hopper-shaped bottom plate 813 at the lower part of the box body to form a primary dust-settling filtering area, and the length of the primary water baffle plate 84 is 1.5 times of the diameter of the dust remover exhaust pipe 2, so that an enough water retaining area is formed, and the dust-containing slurry water is prevented from entering the secondary filtering dust-settling area.
The dust gas after being sprayed and dusted in the primary dustfall filtering area is subjected to the comprehensive action of a dust catching and coagulation mechanism of the secondary spraying mechanism 88, dust-containing slurry water continuously collides on the secondary water baffle 87 by virtue of air inlet power and automatically flows and converges into the front half area of the hopper-shaped bottom plate 813 at the lower part of the box body to form a secondary dustfall filtering area, and the calibers of dust-containing gas channels formed by the primary water baffle 84, the secondary water baffle 87 and the box body are required to be the same as the sectional area of the diameter of the dust remover exhaust pipe 2 so as to reduce the influence of pipe loss on the wind pressure of the original dust removing system. Meanwhile, a sufficient secondary water retaining area can be formed, and dust-containing muddy water is prevented from entering a tertiary dust-settling filtering area.
The process of entrapment, interception and condensation particulate matter has basically been accomplished to dust gas through secondary dust fall filtration area, and the dust granule has effectually stayed in the box, but the moisture content in the dustless gas is big, if discharge chimney 7 along with discharging not only can cause unordered emission, and lead to the water waste, carries out last manger plate through cubic dust fall filtration area to guarantee that final emission is up to standard.
Most of the gas entering the tertiary dust-settling filtering area passes through the tertiary water baffle 85, and collides through the air holes 851 on the tertiary water baffle 85 by means of air inlet power, relatively low air pressure is formed near the upper end port of the leeward side of each air hole, so that adsorption is generated, air flows, adsorbed moisture automatically flows and converges into the rear half area of the hopper-shaped bottom plate 813 of the box body, the purpose of steam-water separation is achieved, and the dust-free gas is finally discharged from the discharge chimney 7 through the dust-free exhaust pipe 9.
Total ventilation area of cubic breakwater 85 is close with dustless intake pipe 9's sectional area, its inclination is 55~ 65. Meanwhile, the flux sectional area of the gap part between the tertiary water baffle 85 and the box body is 20-30% of the sectional area of the dust-free exhaust pipe 9, so that a sufficient water baffle area is formed, and the influence of resistance on the wind pressure of an original dust removal system is avoided. Thereby effectively preventing a large amount of moisture from entering the dust-free exhaust duct 9 directly and removing a large portion of the moisture from the gas stream. In addition, the condensed water from the discharge chimney 7 also flows back and converges in the rear half of the tank hopper-shaped bottom plate 813.
The dust-containing slurry collected in the hopper-shaped bottom plate 813 is sent to the primary slurry discharge pipe 4 through the secondary slurry discharge pipe 6, and is discharged to the drainage ditch 5 together with the dust-containing slurry discharged into the primary slurry discharge pipe 4. The slope of the hopper-shaped bottom plate 813 at the lower part of the box body is more than 3 percent, and a water collecting area is formed, so that the mixed muddy water is not blocked in the box body.
Dust discharged from the primary dust remover is subjected to three times of dust-settling filtration treatment by the secondary dust-settling device, so that the dust-settling and dewatering effects of dust gas are achieved, qualified dust-free gas is finally obtained, and the exhaust gas can meet the national requirement of the organized discharge standard of solid particles.
In the present specification, the terms "upper", "lower", "left" and "right" are used for the sake of clarity only, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof are also considered to be the scope of the present invention without substantial changes in the technical content.
Claims (8)
1. A secondary dust-settling device of a dust remover comprises a dust remover, a dust inlet pipe, a dust remover exhaust pipe, a primary slurry discharge pipe and a discharge chimney, wherein the dust inlet pipe is arranged on one side of the lower part of the dust remover, the primary slurry discharge pipe is arranged at the bottom of the dust remover, and the dust remover exhaust pipe is arranged on the upper part of the dust remover, and is characterized in that the secondary dust-settling device is arranged between the dust remover exhaust pipe and the discharge chimney and comprises a box body, a dust-free exhaust pipe arranged on the outer side of the box body, a slurry discharge port and a secondary slurry discharge pipe arranged on the lower part of the box body, and a primary spraying mechanism, a primary water baffle, a secondary spraying mechanism, a secondary water baffle and a tertiary,
the box body is a rectangular box body and consists of a front side plate, a rear side plate, a left side plate, a right side plate, a box body upper cover plate and a hopper-shaped bottom plate, wherein the upper parts of the left side plate and the right side plate are respectively provided with a secondary dust air inlet and a secondary purification air outlet, the slurry discharge port is arranged at the lower part of the hopper-shaped bottom plate, the dust remover exhaust pipe is communicated with the air inlet of the box body, one end of the dust-free exhaust pipe is fixedly connected with the secondary purification air outlet of the box body, the other end of the dust-free exhaust pipe is communicated with the discharge chimney, one end of the secondary slurry discharge pipe is connected;
the primary spraying mechanism consists of a water supply main pipe I, a plurality of spraying branch pipes I vertically connected with the water supply main pipe I and spray heads I arranged at the end parts of the spraying branch pipes I, wherein the spraying branch pipes I are arranged close to a secondary dust air inlet and penetrate through an upper cover plate of the box body to be arranged in the box body;
the primary water baffle is arranged on the right side of the primary spraying mechanism, the upper end of the primary water baffle is vertically fixed on the lower part of the upper cover plate of the box body, the two ends of the primary water baffle are fixedly connected with the front side plate and the rear side plate, the lower end of the primary water baffle is inserted into the box body, one end of the secondary water baffle is vertically fixed on the upper part of the slurry discharge port, the two ends of the secondary water baffle are fixedly connected with the front side plate and the rear side plate, and;
the secondary spraying mechanism consists of a water supply header pipe II, a plurality of spraying branch pipes II vertically connected with the water supply header pipe II and spray heads II arranged at the ends of the spraying branch pipes II, and the spraying branch pipes II of the secondary spraying mechanism penetrate through the front side plate and are obliquely arranged between the primary water baffle and the secondary water baffle;
the third water baffle is made of a steel plate with air holes, is obliquely arranged between the secondary water baffle and the secondary purification exhaust port, and is fixedly connected with the front side plate and the rear side plate at two ends;
and one end of the secondary slurry discharge pipe is fixedly communicated with the slurry discharge port, and the other end of the secondary slurry discharge pipe is communicated with the primary slurry discharge pipe.
2. The secondary dust settling device of the dust remover according to claim 1, wherein the aperture of the dust-containing gas channel formed by the primary water baffle, the secondary water baffle and the box body is the same as the sectional area of the diameter of the exhaust pipe of the dust remover.
3. The secondary dust settling device of the dust remover as claimed in claim 1, wherein the number of the spray branch pipes I and the spray branch pipes II is 3-5.
4. The secondary dust settling device of the dust remover according to claim 1, wherein the length of the primary water baffle is 1.5 times the diameter of the exhaust pipe of the dust remover.
5. The secondary dust settling device of the dust remover as claimed in claim 1, wherein the air holes of the tertiary water baffle are 10 mm.
6. The secondary dust settling device of the dust remover according to claim 1, wherein the spray head I and the spray head II are multi-point duckbill spray heads.
7. The secondary dust settling device of the dust remover as claimed in claim 1, wherein the angle of inclination of the secondary spraying mechanism is 45 °.
8. The secondary dust settling device of the dust remover according to claim 1, wherein the inclination angle of the tertiary water baffle is 55-65 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021639661.6U CN212790293U (en) | 2020-08-10 | 2020-08-10 | Secondary dust falling device of dust remover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021639661.6U CN212790293U (en) | 2020-08-10 | 2020-08-10 | Secondary dust falling device of dust remover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212790293U true CN212790293U (en) | 2021-03-26 |
Family
ID=75082163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021639661.6U Active CN212790293U (en) | 2020-08-10 | 2020-08-10 | Secondary dust falling device of dust remover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212790293U (en) |
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2020
- 2020-08-10 CN CN202021639661.6U patent/CN212790293U/en active Active
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