CN218458919U - Environmental protection cement smoke purifying dust remover - Google Patents
Environmental protection cement smoke purifying dust remover Download PDFInfo
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- CN218458919U CN218458919U CN202222792337.3U CN202222792337U CN218458919U CN 218458919 U CN218458919 U CN 218458919U CN 202222792337 U CN202222792337 U CN 202222792337U CN 218458919 U CN218458919 U CN 218458919U
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Abstract
The utility model relates to an environmental protection cement gas cleaning dust remover, including vertical housing, locate horizontal support plate and dust removal sack subassembly in the vertical housing, its technical essential is: the dust removal sack subassembly includes the riser formula carriage and locates the outside filter cloth cover of riser formula carriage, the lower extreme of riser formula carriage utilizes on the flange is fixed in horizontal support plate down, the upper end utilizes the bottom surface of upper flange and deashing air cavity to be connected fixedly, the side of deashing air cavity is equipped with the compressed air inlet pipeline of being connected with outside compressed air source, the middle part of riser formula carriage is equipped with concentric cooling tube, the upper end of each concentric cooling tube passes behind the deashing air cavity with reposition of redundant personnel cavity intercommunication, the lower extreme passes behind the cigarette inlet with converge the cavity intercommunication, reposition of redundant personnel cavity and converge the outside cooling circulation system intercommunication of cavity and vertical casing. The utility model provides an among the current cement gas cleaning system sack cleaner be not suitable for the problem of high temperature continuous operation, long service life, dust removal effect is good.
Description
Technical Field
The utility model relates to an environmental protection cement manufacture auxiliary assembly, concretely relates to environmental protection cement gas cleaning dust remover.
Background
According to statistics, the emission amount of dust in the production process of the cement industry in China is about 2% -3% of the output amount of the dust, and the emission total amount of dust in the cement industry in China exceeds thousands of tons. The cement dust which is contacted with a human body for a long time is easy to cause various diseases, and the cement dust can also cause land alkalization, so that the cement dust is one of the main factors of environmental pollution.
In the cement production process, calcination is an important step, however, a large amount of dust is carried in the output smoke, the existing cement smoke purification system usually comprises a cyclone dust collector and a bag-type dust collector which are arranged in sequence, the cyclone dust collector is used for separating and collecting the dust from the smoke in the cement kiln, and then the bag-type dust collector is used for carrying out residual collection treatment, so that the defect that the cyclone dust collector cannot purify the dust thoroughly is overcome. However, the following problems still exist in the working process: the high-temperature resistance of the bag-type dust remover is poor, the working temperature cannot be higher than 250 ℃, otherwise, a dust removing bag in the dust remover can be damaged, the temperature of flue gas output by the kiln tail of the cement kiln is about 250 ℃, the dust removing bag of the bag-type dust remover works at a long-term limit working temperature, the service life is greatly shortened, and if the dust removing bag is damaged and is not found in time, a large amount of dust can be leaked.
Disclosure of Invention
An object of the utility model is to provide a rational in infrastructure, use reliable environmental protection cement gas cleaning dust remover, solve among the current cement gas cleaning system that the sack cleaner is not suitable for the problem of high temperature continuous operation, long service life, dust removal effect is good.
The technical scheme of the utility model is that:
the utility model provides an environmental protection cement gas cleaning dust remover, includes vertical casing, locates horizontal support plate in the vertical casing, evenly arranges in a plurality of dust removal sack subassemblies above the horizontal support plate, horizontal support plate top space top is equipped with the purge gas outlet, and horizontal support plate below space side is equipped with into mouth, and horizontal support plate below space bottom is equipped with the deashing mouth, and its technical essential is: the dust removal cloth bag component comprises a vertical tube type supporting frame and a filter cloth cover arranged outside the vertical tube type supporting frame, the lower end of the vertical tube type supporting frame is fixed on a horizontal supporting plate through a lower flange, the upper end of the vertical tube type supporting frame is connected and fixed with the bottom surface of an ash removal air cavity through an upper flange, a smoke inlet corresponding to the lower end of the vertical tube type supporting frame is formed in the horizontal supporting plate, an air inlet corresponding to the upper end of the vertical tube type supporting frame is formed in the bottom surface of the ash removal air cavity, a compressed air inlet pipeline connected with an external compressed air source is formed in the side surface of the ash removal air cavity, a concentric cooling water pipe is arranged in the middle of the vertical tube type supporting frame, the upper end of each concentric cooling water pipe penetrates through the ash removal air cavity and then is communicated with a shunting cavity, the lower end of each concentric cooling water pipe penetrates through the smoke inlet and then is communicated with a converging cavity, and the shunting cavity and the converging cavity are communicated with a cooling circulation system outside the vertical shell.
According to the environment-friendly cement flue gas purification dust remover, the precooling grating is arranged in the space below the horizontal supporting plate, the precooling grating is composed of a plurality of lower longitudinal laths which are parallel to each other and a plurality of upper transverse laths which are perpendicular to the lower longitudinal laths, the upper transverse laths and the lower longitudinal laths are welded into a whole, the precooling grating and the confluence cavity are fixedly connected through a plurality of rib plates which are arranged at intervals, and the smoke inlet is located below the precooling grating in the vertical direction.
In the environment-friendly cement flue gas purification dust remover, the flow dividing cavity is a flat column-shaped cavity, the bottom surface of the flow dividing cavity is provided with a through hole communicated with the concentric cooling water pipe, and the side wall of the flow dividing cavity is provided with a liquid inlet pipe leading out of the vertical shell.
Foretell environmental protection cement gas cleaning dust remover, the cavity of converging includes two above concentric ring chambeies, connects draught tube and splice bar group between two adjacent concentric ring chambeies, and the concentric ring chamber of outermost lane is equipped with the drain pipe of drawing vertical casing, the top surface in concentric ring chamber is equipped with the through-hole with concentric cooling water pipe intercommunication, is equipped with the brace rod group of being connected with vertical casing inner wall on the outer wall in the concentric ring chamber of outermost lane.
In the environment-friendly cement flue gas purification dust remover, the number of the dust removal cloth bag assemblies is eight, every two dust removal cloth bag assemblies are in a pair, four pairs of the dust removal cloth bag assemblies are uniformly distributed around the central axis of the vertical shell, the number of the concentric annular cavities is two, and two concentric cooling water pipes penetrating through the same pair of the dust removal cloth bag assemblies are respectively communicated with the two concentric annular cavities.
In the environment-friendly cement flue gas purification dust remover, the vertical shell is bounded by the horizontal support plate, the vertical shell above the horizontal support plate is a cylinder, the vertical shell below the horizontal support plate is a cone hopper, and the ash removal port is positioned at the lower end of the cone hopper.
The beneficial effects of the utility model are that:
1. concentric condenser tube through addding cools off in advance to place dust removal sack subassembly place space to reduce and enter into the inside flue gas temperature of dust removal sack subassembly, avoid dust removal sack subassembly to be in high temperature operating condition for a long time, solved the problem that the sack cleaner is not suitable for high temperature continuous operation among the current cement gas cleaning system, the long service life of extension dust removal sack subassembly guarantees its long-term good dust removal effect.
2. Through the precooling grid connected with the confluence cavity, the air mass entering the vertical shell is scattered, the cooling effect is realized in advance, and the temperature of the flue gas is favorably reduced.
3. Dust attached to the inner surface of the dust removal cloth bag assembly is removed through compressed air introduced by the dust removal air cavity, and the compressed air falls into the bottom of the vertical shell through the confluence cavity and the precooling grid, so that dust removal, collection and discharge are realized.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a top view of the manifold chamber of FIG. 1;
fig. 3 is a top view of the pre-cooling grill of fig. 1.
In the figure: 1. liquid inlet pipe, 2 vertical shell, 3 diversion cavity, 4 deashing air cavity, 5 compressed air inlet pipeline, 6 dedusting cloth bag component, 7 concentric ring cavity, 8 liquid outlet pipe, 9 smoke inlet, 10 lower longitudinal lath, 11, an upper transverse lath, 12 rib plates, 13, a support rib group, 14, a concentric cooling water pipe, 15, a purified gas outlet, 16, a dust cleaning port, 17, a connecting rib group, 18, a draft tube, 19, a through hole and 20, and a horizontal support plate.
Detailed Description
The invention is described in detail according to the attached drawings.
As shown in fig. 1 to 3, the environmental-friendly cement flue gas purification dust remover comprises a vertical shell 2, a horizontal support plate 20 arranged in the vertical shell 2, and a plurality of dust removal cloth bag assemblies 6 uniformly arranged above the horizontal support plate 20. The top of the space above the horizontal support plate 20 is provided with a purified gas outlet 15, the side of the space below the horizontal support plate 20 is provided with a smoke inlet 9, and the bottom of the space below the horizontal support plate 20 is provided with an ash cleaning port 16.
The dust removal cloth bag component comprises a vertical tube type supporting frame and a filter cloth cover arranged outside the vertical tube type supporting frame. The lower end of the vertical pipe type supporting frame is fixed on the horizontal supporting plate 20 by using a lower flange, and the upper end of the vertical pipe type supporting frame is connected and fixed with the bottom surface of the dust cleaning air cavity 4 by using an upper flange. The horizontal support plate 20 is provided with a smoke inlet corresponding to the lower end of the vertical pipe type support frame, the bottom surface of the ash removal air cavity 4 is provided with an air inlet corresponding to the upper end of the vertical pipe type support frame, and the side surface of the ash removal air cavity 4 is provided with a compressed air inlet pipeline 5 connected with an external compressed air source. The middle part of the vertical pipe type supporting frame is provided with concentric cooling water pipes 14, the upper ends of the concentric cooling water pipes 14 are communicated with the diversion cavity 3 after penetrating through the ash removal air cavity 4, the lower ends of the concentric cooling water pipes are communicated with the confluence cavity after penetrating through the smoke inlet, and the diversion cavity 3 and the confluence cavity are communicated with a cooling circulation system outside the vertical shell 2. The shunting cavity 3 is located in the three-dimensional shell 2 and close to the top surface thereof, and the converging cavity is located below the horizontal support plate 20 in the vertical shell 2.
In this embodiment, a pre-cooling grid is disposed in the space below the horizontal support plate 20. The pre-cooling grate is formed by a number of lower longitudinal slats 10 parallel to each other and a number of upper transverse slats 11 perpendicular to the lower longitudinal slats 10. The upper transverse lath 11 and the lower longitudinal lath 10 are welded into a whole, and the precooling grating and the confluence cavity are connected and fixed by a plurality of rib plates 12 which are arranged at intervals. The smoke inlet 9 is vertically positioned below the pre-cooling grille. The precooling grating is equivalent to an extending structure of the confluence cavity for cooling, and the precooling grating is synchronously cooled along with the cooling of the confluence cavity.
The flow dividing cavity 3 is a flat column cavity, the bottom surface of the flow dividing cavity is provided with a through hole communicated with the concentric cooling water pipe 14, and the side wall of the flow dividing cavity is provided with a liquid inlet pipe 1 leading out of the vertical shell 2. The confluence cavity comprises more than two concentric ring cavities 7, a flow through pipe 18 and a connecting rib group 17 which are connected between two adjacent concentric ring cavities 7, the concentric ring cavity 7 at the outermost ring is provided with a liquid outlet pipe 8 for leading out the vertical shell 2, the top surface of the concentric ring cavity 7 is provided with a through hole 19 communicated with a concentric cooling water pipe 14, and the outer wall of the concentric ring cavity 7 at the outermost ring is provided with a supporting rib group 13 connected with the inner wall of the vertical shell 2. The number of the dust removing cloth bag assemblies 6 is eight, every two of the dust removing cloth bag assemblies 6 are in a pair, four pairs of the dust removing cloth bag assemblies 6 are uniformly distributed around the central axis of the vertical shell 2, the number of the concentric annular cavities 7 is two, and two concentric cooling water pipes 14 penetrating through the same pair of the dust removing cloth bag assemblies 6 are respectively communicated with the two concentric annular cavities 7.
The vertical shell 2 is bounded by a horizontal support plate 20, the vertical shell 2 above the horizontal support plate 20 is a cylinder, the vertical shell 2 below the horizontal support plate 20 is a cone hopper, and the ash removing port 16 is positioned at the lower end of the cone hopper.
The working principle is as follows:
during the operation, the flue gas output pipeline end that the cement cellar produced is connected with cyclone earlier, cyclone's outlet pipeline end is parallelly connected a plurality ofly dust remover, the flue gas enters into horizontal support plate 20 below space by inlet 9, by the precooling grid with converge the cavity check and scattered and after cooling in advance, enter into each dust removal sack subassembly 6, continue the cooling through each concentric condenser tube 14, the gas passes the filter cloth cover and enters into horizontal support plate 20 upper portion space after being filtered the dust back purification to discharge through purified gas outlet 15.
When ash removal is needed, compressed air enters each dust removal cloth bag assembly 6 in a dispersing mode through the ash removal air cavity 4, dust attached to the inside is blown off and falls to the bottom of the vertical shell 2 through the confluence cavity and the precooling grating, and ash removal, collection and unloading are achieved.
The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All the equivalent changes and improvements made according to the scope of the present invention should be covered by the present patent.
Claims (6)
1. The utility model provides an environmental protection cement gas cleaning dust remover, includes vertical casing, locates the horizontal support board in the vertical casing, evenly arranges in a plurality of dust removal sack subassemblies above the horizontal support board, horizontal support board top space top is equipped with the purge gas outlet, and horizontal support board below space side is equipped with into mouth, and horizontal support board below space bottom is equipped with deashing mouth, its characterized in that: the dust removal cloth bag component comprises a vertical tube type supporting frame and a filter cloth cover arranged outside the vertical tube type supporting frame, the lower end of the vertical tube type supporting frame is fixed on a horizontal supporting plate through a lower flange, the upper end of the vertical tube type supporting frame is connected and fixed with the bottom surface of an ash removal air cavity through an upper flange, a smoke inlet corresponding to the lower end of the vertical tube type supporting frame is formed in the horizontal supporting plate, an air inlet corresponding to the upper end of the vertical tube type supporting frame is formed in the bottom surface of the ash removal air cavity, a compressed air inlet pipeline connected with an external compressed air source is formed in the side surface of the ash removal air cavity, a concentric cooling water pipe is arranged in the middle of the vertical tube type supporting frame, the upper end of each concentric cooling water pipe penetrates through the ash removal air cavity and then is communicated with a shunting cavity, the lower end of each concentric cooling water pipe penetrates through the smoke inlet and then is communicated with a converging cavity, and the shunting cavity and the converging cavity are communicated with a cooling circulation system outside the vertical shell.
2. The environmental cement flue gas purification dust remover according to claim 1, wherein: the lower space of the horizontal supporting plate is provided with a precooling grid, the precooling grid is composed of a plurality of lower longitudinal laths which are parallel to each other and a plurality of upper transverse laths which are vertical to the lower longitudinal laths, the upper transverse laths and the lower longitudinal laths are welded into a whole, the precooling grid and the confluence cavity are connected and fixed through a plurality of rib plates which are arranged at intervals, and the smoke inlet is positioned below the precooling grid in the vertical direction.
3. The environmental cement flue gas purification dust remover according to claim 1, wherein: the flow dividing cavity is a flat column-shaped cavity, the bottom surface of the flow dividing cavity is provided with a through hole communicated with the concentric cooling water pipe, and the side wall of the flow dividing cavity is provided with a liquid inlet pipe leading out of the vertical shell.
4. The environmental cement flue gas purification dust remover according to claim 1, wherein: the flow converging cavity comprises more than two concentric ring cavities, a flow through pipe and a connecting rib group, the flow through pipe and the connecting rib group are connected between every two adjacent concentric ring cavities, the concentric ring cavity of the outermost ring is provided with a liquid outlet pipe leading out the vertical shell, the top surface of the concentric ring cavity is provided with a through hole communicated with a concentric cooling water pipe, and the outer wall of the concentric ring cavity of the outermost ring is provided with a supporting rib group connected with the inner wall of the vertical shell.
5. The environmental cement flue gas purification dust remover according to claim 4, wherein: the number of the dust removing cloth bag assemblies is eight, every two dust removing cloth bag assemblies are in a pair, four pairs of the dust removing cloth bag assemblies are uniformly distributed around the central axis of the vertical shell, the number of the concentric annular cavities is two, and two concentric cooling water pipes penetrating through the same pair of the dust removing cloth bag assemblies are respectively communicated with the two concentric annular cavities.
6. The environment-friendly cement flue gas purification dust remover as claimed in claim 1, wherein: the vertical shell is bounded by a horizontal support plate, the vertical shell above the horizontal support plate is a cylinder, the vertical shell below the horizontal support plate is a cone hopper, and the ash removal port is positioned at the lower end of the cone hopper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222792337.3U CN218458919U (en) | 2022-10-24 | 2022-10-24 | Environmental protection cement smoke purifying dust remover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222792337.3U CN218458919U (en) | 2022-10-24 | 2022-10-24 | Environmental protection cement smoke purifying dust remover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218458919U true CN218458919U (en) | 2023-02-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222792337.3U Active CN218458919U (en) | 2022-10-24 | 2022-10-24 | Environmental protection cement smoke purifying dust remover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218458919U (en) |
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2022
- 2022-10-24 CN CN202222792337.3U patent/CN218458919U/en active Active
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