CN212523635U - Clean production device of cupola furnace - Google Patents
Clean production device of cupola furnace Download PDFInfo
- Publication number
- CN212523635U CN212523635U CN202020676750.1U CN202020676750U CN212523635U CN 212523635 U CN212523635 U CN 212523635U CN 202020676750 U CN202020676750 U CN 202020676750U CN 212523635 U CN212523635 U CN 212523635U
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- grid
- alkali solution
- desulfurizing tower
- spraying
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 28
- 239000003513 alkali Substances 0.000 claims abstract description 87
- 230000003009 desulfurizing effect Effects 0.000 claims abstract description 49
- 238000012423 maintenance Methods 0.000 claims abstract description 26
- 239000000428 dust Substances 0.000 claims abstract description 22
- 238000004140 cleaning Methods 0.000 claims abstract description 15
- 239000007788 liquid Substances 0.000 claims abstract description 9
- 239000002699 waste material Substances 0.000 claims abstract description 9
- 239000002585 base Substances 0.000 claims abstract description 5
- 239000007921 spray Substances 0.000 claims description 48
- 238000005507 spraying Methods 0.000 claims description 47
- 238000006477 desulfuration reaction Methods 0.000 claims description 20
- 230000023556 desulfurization Effects 0.000 claims description 20
- 238000007689 inspection Methods 0.000 claims description 13
- 238000009434 installation Methods 0.000 claims description 6
- 239000002912 waste gas Substances 0.000 abstract description 33
- 238000003723 Smelting Methods 0.000 abstract description 5
- 238000007599 discharging Methods 0.000 abstract description 5
- 238000011010 flushing procedure Methods 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 55
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000005452 bending Methods 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 239000000571 coke Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009193 crawling Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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Abstract
The utility model relates to a cupola furnace smelting equipment production technical field specifically is a cupola furnace cleaning production device. Comprises a cupola, a cyclone dust collector, a condenser, a bag-type dust collector, a system connecting pipeline, a fan, a desulphurization device, a double-alkali solution circulating pool and other clean production system devices; the desulfurizing device comprises a base, a desulfurizing tower, a bell-mouth-shaped connecting section, a chimney, an upper maintenance platform and a ladder stand,the system comprises a middle maintenance platform, a lower maintenance platform, an upper double-alkali solution pipeline, a branch pipe for double-alkali solution and a pipeline for discharging double-alkali waste liquid; the desulfurizing tower is cylindrical structure, and fixed the setting is in on the base, be provided with directly over the desulfurizing tower horn mouth shape linkage segment with the chimney. The device of the utility model is simple in manufacture and convenient in operation, and can be used for oppositely flushing SO in the waste gas of the cupola furnace2And residual part of dust in the waste gas is effectively removed, so that the cupola furnace realizes clean production and the production efficiency of enterprises can be improved.
Description
Technical Field
The utility model relates to a cupola furnace smelting equipment production technical field specifically is a cupola furnace cleaning production device.
Background
The traditional cast iron smelting equipment mainly comprises a cupola and an induction furnace, and because the fuel used for smelting the cupola is coke or white coal blocks, and a certain amount of sulfur, ash and volatile matters exist in the coke or the white coal blocks. Therefore, the cupola furnace has more particulate matter dust and SO in the flue gas discharged in the production process2And the like. In order to prevent pollutants in the flue gas of the cupola furnace from influencing the environment, the currently used cupola furnace dust removing device is provided with a cyclone dust remover, a condenser, a bag-type dust remover, a connecting pipeline, a fan, a desulfurizing device, a double-alkali solution circulating pool and other system devices. In the design of the desulfurizing tower of the desulfurizing device, SO is desulfurized by adopting the process principle of a double alkali method2During cleaning, the method of horizontal spraying or vertical spraying of a double-alkali solution (lime water and sodium hydroxide solution) is mostly adopted to reduce SO in the smoke gas2But this method cannot maximize SO content due to the presence of soot gas during rapid rise2Fully contacts with the mixed solution of sodium hydroxide and lime water to generate chemical reaction SO as to lead SO2The cleaning is not ideal and the effect is not good, and the environment is still polluted to a certain extent. Therefore, the structure in the desulfurization tower needs to be improved.
Disclosure of Invention
The utility model aims at the SO existing in the cupola smelting smoke dust gas desulfurization device2The gas is not removed completely and the effect is not good, and the ring is also alignedThe technical problem of certain pollution is solved, and a clean production device of the cupola furnace is provided.
In order to realize the purpose, the utility model discloses a technical scheme is: a cupola furnace cleaning production device comprises a cupola furnace, a cyclone dust collector, a condenser, a bag-type dust collector, a system connecting pipeline, a fan, a desulfurization device and a double-alkali solution circulating pool cleaning production system device; the desulfurization device comprises a base, a desulfurization tower, a bell-mouth-shaped connecting section, a chimney, an upper maintenance platform, a ladder stand, a middle maintenance platform, a lower maintenance platform, an upper double-alkali solution pipeline, a branch pipe for double-alkali solution and a pipeline for discharging double-alkali waste liquid; the desulfurizing tower is cylindrical structure, and fixed the setting is in on the base, be provided with directly over the top of desulfurizing tower the bell mouth shape linkage segment with the chimney, the desulfurizing tower with the chimney passes through both ends fixed connection about the bell mouth shape linkage segment.
The outer circumference of the desulfurizing tower is fixedly provided with three layers from bottom to top, the upper overhaul platform, the middle overhaul platform and the lower overhaul platform are fixedly connected through the crawling ladder.
The upper double-alkali solution pipeline is respectively and fixedly communicated with double-alkali solution supply branch pipes arranged outside the desulfurizing tower from bottom to top, the number of the double-alkali solution supply branch pipes is 4, and each double-alkali solution supply branch pipe penetrates into the desulfurizing tower and is fixedly connected with the outer wall of the desulfurizing tower; and the double-alkali waste liquid discharge pipeline is fixedly arranged at one side of the bottom of the desulfurization tower.
When the desulfurizing device operates, the double-alkali solution is supplied to the upper double-alkali solution pipeline from the double-alkali solution circulating pool, and the double-alkali solution used for desulfurization and dust removal is discharged into the double-alkali solution circulating pool for treatment and purification and then is recycled.
And in a further step, the desulfurizing tower comprises a bottom spraying device, a lower grid, a lower spraying device, a middle grid, a middle spraying device, an upper grid, an upper spraying device, a grid supporting support pipe and an inspection manhole.
The bottom spraying device, the lower grid, the lower spraying device, the middle grid, the middle spraying device and the upper grid are detachably fixed on the inner circumference of the desulfurizing tower from bottom to top in a layered, uniform, horizontal and horizontal manner; and the bottoms of the lower grating, the middle grating and the upper grating are respectively provided with a grating supporting support pipe, and the grating supporting support pipe is horizontally and fixedly connected with the inner wall of the desulfurizing tower.
The maintenance manhole is everywhere, and first department sets up bottom spray set lower part, and second department sets up between lower part grid and the lower part spray set, and the third department sets up between middle part grid and the middle part spray set, the fourth department sets up between upper portion grid and the upper portion spray set, just second department maintenance manhole, third department maintenance manhole and fourth department maintenance manhole set up respectively go up and overhaul the platform, well maintenance platform overhauls on the platform with down to make things convenient for the staff to overhaul.
In a further step, the bottom spraying device, the lower spraying device, the middle spraying device and the upper spraying device are designed in the same way; the spraying device comprises a spraying head, a spraying outer ring double-alkali solution pipe, a spraying inner ring double-alkali solution pipe and a spraying connecting double-alkali solution pipe, wherein the spraying outer ring double-alkali solution pipe and the spraying inner ring double-alkali solution pipe are fixedly communicated through the spraying connecting double-alkali solution pipe; the spraying connection double-alkali solution pipe is fixedly communicated with the double-alkali solution supply branch pipe.
In another step, the upper grid is of a net structure and is evenly divided into n blocks, so that the installation and maintenance are convenient. The single grid of the upper grid comprises grid grids, baffles 1 and upper baffles 1, wherein the grid grids are horizontally and fixedly arranged between the baffles 1 on two sides, and the top of one outer side of each baffle 1 is fixedly provided with the upper baffle 1. Because the top of one outer side of the baffle 1 is fixedly provided with the upper baffle 1, the upper baffle 1 can effectively cover the butt joints of two adjacent baffles, thereby preventing the waste gas of the cupola from overflowing from the butt joints of two grids when the desulfurizing tower is in operation, and leading the grids to play a role of better cleaning SO2The function of (1).
In another step, the lower grating and the middle grating are the same in shape and structure, the longitudinal sections of the lower grating and the middle grating are bent structures, and the lower grating and the middle grating are respectively and uniformly divided into n blocks, so that the installation and maintenance are convenient; the single grating of lower part grid and middle part grid is including the shape filter of bending, baffle 2 and last baffle 2, the shape filter of bending level is fixed to be set up in both sides between the baffle 2, 2 outside tops of baffle are fixed and are provided with overhead gage 2.
Due to the arrangement of the bent filter plate, when the desulfurizing tower runs, a bent part of the bent filter plate can form a layer of double-alkali solution curtain cloth, the upper channel and the lower channel of cupola waste gas are sealed by double-alkali solution, and the cupola waste gas can be fully contacted with the double-alkali solution when passing through the double-alkali solution curtain cloth from bottom to top, SO that SO in the waste gas2Can take place chemical reaction and be clear away with two alkali solutions betterly, secondly, because 2 outside tops of baffle are fixed and are provided with overhead gage 2, overhead gage 2 can cover two piece adjacent baffle butt joints effectively, and when preventing the desulfurizing tower operation, cupola waste gas spills over from two piece grid butt joints, can make the grid can further play better clearance SO2The function of (1).
The utility model discloses when the device moves, towards cupola waste gas follow the bottom of the desulfurizing tower gets into, at first passes through bottom spray set carries out the drip washing, makes the partial SO in the waste gas2The waste gas is removed after chemical reaction with the double-alkali solution (the desulfurization device adopts the double-alkali desulfurization process and principle), and part of dust remained in the waste gas is removed; then the cupola waste gas passes through the lower grid and the lower spray device and the middle grid and the middle spray device, SO that most of SO in the cupola waste gas2After the chemical reaction with the double alkali solution, the waste gas is removed, and finally the waste gas of the cupola furnace passes through the upper grating and the upper spraying device and the residual SO in the waste gas is treated again2Further cleaning the waste gas of the cupola furnace to ensure that SO in the waste gas of the cupola furnace2The content is obtained by the special national or local emission limit value, and the clean tail gas after desulfurization is obtained fromAnd discharging the chimney arranged at the right top of the desulfurizing tower.
The utility model discloses following beneficial effect can be realized:
1. can be used for treating SO in cupola waste gas2Effective clearing is carried out;
2. residual dust in cupola waste gas can be removed;
3. because to each layer the grid design is modular structure to all be provided with the clearance manhole at each layer, be convenient for to each layer the grid and spray set in time maintains or changes, can ensure desulphurization unit can accomplish not overhaul for a long time, does not influence cupola furnace normal production, can improve production efficiency relatively.
To sum up, the device of the utility model has simple manufacture and convenient operation, and not only can offset the SO in the waste gas of the cupola furnace2And part of dust remained in the waste gas is effectively removed, so that the cupola furnace realizes clean production, the body health of workers is protected, the environment is protected, and the production efficiency of enterprises can be improved.
Drawings
FIG. 1 is a schematic view of a cupola furnace cleaning production apparatus system;
FIG. 2 is a schematic longitudinal elevation of a desulfurization unit;
FIG. 3 is a longitudinal elevational sectional view of a desulfurizer;
FIG. 4 is a cross-sectional view A-A of FIG. 3;
FIG. 5 is a cross-sectional view taken along line B-B of FIG. 3;
FIG. 6 is an enlarged view of FIG. 3 at C;
FIG. 7 is a cross-sectional view F-F of FIG. 6;
FIG. 8 is a cross-sectional view taken along line D-D of FIG. 3;
FIG. 9 is an enlarged view at E in FIG. 3;
fig. 10 is a sectional view taken along line G-G in fig. 9.
In the figure: 1-cupola, 2-cyclone dust collector, 3-condenser, 4-bag dust collector, 5-system connecting pipeline, 6-blower, 7-desulfurizer, 8-double alkali solution circulating pool;
wherein: 7-1 base, 7-2 desulfurizing tower, 7-3 bell mouth-shaped connecting section, 7-4 chimney, 7-5 upper maintenance platform, 7-6 ladder stand, 7-7 middle maintenance platform, 7-8 lower maintenance platform, 7-9 upper double alkali solution pipeline, 7-10 branch pipe for double alkali solution and 7-11 rows of double alkali waste liquid pipeline;
the device comprises a bottom spraying device (7-2.1), a lower grid (7-2.2), a lower spraying device (7-2.3), a middle grid (7-2.4), a middle spraying device (7-2.5), an upper grid (7-2.6), an upper spraying device (7-2.7), a grid support supporting pipe (7-2.2-6) and an inspection manhole (7-2.8);
a spray header (7-2.7-1); the spraying outer ring double-alkali solution pipe (7-2.7-2), the spraying inner ring double-alkali solution pipe (7-2.7-3) and the spraying connection double-alkali solution pipe (7-2.7-4);
grid grids (7-2.6-1), baffles (7-2.6-2) and upper baffles (7-2.6-3);
a bending filter plate (7-2.4-1), a baffle plate (7-2.4-2) and an upper baffle plate (7-2.4-3).
Detailed Description
The invention is further described with reference to the following figures and examples.
As shown in fig. 1-10, the clean production device of the cupola furnace in the embodiment comprises a cupola furnace (1), a cyclone dust collector (2), a condenser (3), a bag-type dust collector (4), a system connecting pipeline (5), a fan (6), a desulfurization device (7) and a clean production system device of a double-alkali solution circulating pool (8); the desulfurization device (7) comprises a base (7-1), a desulfurization tower (7-2), a bell-mouth-shaped connecting section (7-3), a chimney (7-4), an upper maintenance platform (7-5), a ladder (7-6), a middle maintenance platform (7-7), a lower maintenance platform (7-8), an upper double-alkali solution pipeline (7-9) and a double-alkali solution branch pipe (7-10) for discharging a double-alkali waste liquid pipeline (7-11); the desulfurizing tower (7-2) is of a cylindrical structure and is fixedly arranged on the base (7-1), the horn-shaped connecting section (7-3) and the chimney (7-4) are arranged at the top of the desulfurizing tower (7-2), and the desulfurizing tower (7-2) and the chimney (7-4) are fixedly connected with the upper end and the lower end of the horn-shaped connecting section (7-3).
The outer periphery of the desulfurizing tower (7-2) is fixedly provided with three layers of the upper overhauling platform (7-5), the middle overhauling platform (7-7) and the lower overhauling platform (7-8) from bottom to top, and the upper overhauling platform (7-5), the middle overhauling platform (7-7) and the lower overhauling platform (7-8) are fixedly connected through the ladder stand (7-6).
The upper double-alkali solution pipelines (7-9) are respectively and fixedly communicated with double-alkali solution supply branch pipes (7-10) arranged outside the desulfurizing tower (7-2) from bottom to top, the number of the double-alkali solution supply branch pipes (7-10) is 4, and each double-alkali solution supply branch pipe (7-10) penetrates into the desulfurizing tower (7-2) and is fixedly connected with the outer wall of the desulfurizing tower (7-2); the double-alkali waste liquid discharge pipeline (7-11) is fixedly arranged on one side of the bottom of the desulfurizing tower (7-2).
When the desulfurizing device (7-2) operates, the double-alkali solution is supplied to the upper double-alkali solution pipeline (7-9) through the double-alkali solution circulating pool (8), and the double-alkali waste liquid discharging pipeline (7-11) discharges the double-alkali solution used for desulfurization and dust removal into the double-alkali solution circulating pool (8) for treatment and purification and then recycling.
In another step, the desulfurizing tower (7-2) comprises a bottom spray device (7-2.1), a lower grid (7-2.2), a lower spray device (7-2.3), a middle grid (7-2.4), a middle spray device (7-2.5), an upper grid (7-2.6), an upper spray device (7-2.7), a grid support supporting pipe (7-2.2-6) and an inspection manhole (7-2.8);
the bottom spray device (7-2.1), the lower grid (7-2.2), the lower spray device (7-2.3), the middle grid (7-2.4), the middle spray device (7-2.5) and the upper grid (7-2.6), wherein the upper spray device (7-2.7) is uniformly, horizontally and detachably fixed on the inner circumference of the desulfurizing tower (7-2) at intervals from bottom to top in a layering way; and grid support pipes (7-2.2-6) are respectively arranged at the bottoms of the lower grid (7-2.2), the middle grid (7-2.4) and the upper grid (7-2.6), and the grid support pipes (7-2.2-6) are horizontally and fixedly connected with the inner wall of the desulfurizing tower (7-2).
The inspection manholes (7-2.8) are arranged at four places, the first place is arranged at the lower part of the bottom spray device (7-2.1), the second place is arranged between the lower grid (7-2.2) and the lower spray device (7-2.3), the third place is arranged between the middle grid (7-2.4) and the middle spray device (7-2.5), the fourth place is arranged between the upper grid (7-2.6) and the upper spray device (7-2.7), and the second inspection manhole (7-2.8), the third inspection manhole (7-2.8) and the fourth inspection manhole (7-2.8) are respectively arranged on the upper inspection platform (7-5), the middle inspection platform (7-7) and the lower inspection platform (7-8) so as to facilitate the inspection of staff.
In another step, the bottom spray device (7-2.1), the lower spray device (7-2.3), the middle spray device (7-2.5) and the upper spray device (7-2.7) are designed in the same way; the spraying device comprises a spraying head (7-2.7-1); the spray head (7-2.7-1) is detachably and uniformly fixedly arranged on the lower side surfaces of the spray outer ring double-alkali solution pipe (7-2.7-2), the spray inner ring double-alkali solution pipe (7-2.7-3) and the spray connection double-alkali solution pipe (7-2.7-4); the spraying connection double-alkali solution pipe (7-2.7-4) is fixedly communicated with the double-alkali solution supply branch pipe (7-10).
In another step, the upper grid (7-2.6) is of a net structure and is uniformly divided into n pieces, so that the installation and maintenance are convenient. The single grid of the upper grid (7-2.6) comprises grid grids (7-2.6-1), baffles (1 (7-2.6-2) and upper baffles (1 (7-2.6-3), the grids (7-2.6-1) are horizontally and fixedly arranged between the baffles (1 (7-2.6-2) on two sides, and the top of one outer side of each baffle (1 (7-2.6-2) is fixedly provided with the upper baffle (1 (7-2.6-3).
Furthermore, the lower grid (7-2.2) and the middle grid (7-2.4) are the same in shape and structure, the longitudinal sections of the lower grid (7-2.2) and the middle grid (7-2.4) are bent structures, and the lower grid (7-2.2) and the middle grid (7-2.4) are respectively and uniformly divided into n blocks, so that the installation and maintenance are convenient; the single grids of the lower grid (7-2.2) and the middle grid (7-2.4) comprise bent filter plates (7-2.4-1), baffles (2 (7-2.4-2) and upper baffles (2 (7-2.4-3), the bent filter plates (7-2.4-1) are horizontally and fixedly arranged between the baffles (2 (7-2.4-2) at two sides, and the top of one outer side of each baffle (2 (7-2.4-2) is fixedly provided with the upper baffle (2 (7-2.4-3).
When the device of the utility model is operated, the cupola waste gas enters from the bottom of the desulfurizing tower (7-2) and firstly passes through the placeThe bottom spray device (7-2.1) is used for leaching part of SO in the waste gas2The waste gas is removed after chemical reaction with the double-alkali solution (the desulfurization device adopts the double-alkali desulfurization process and principle), and part of dust remained in the waste gas is removed; then the cupola waste gas passes through the lower grating (7-2.2) and the lower spray device (7-2.3) and the middle grating (7-2.4) and the middle spray device (7-2.5) SO that most of SO in the cupola waste gas2After the chemical reaction with the double alkali solution, the waste gas is removed, and finally the waste gas of the cupola furnace passes through the upper grating (7-2.6) and the upper spraying device (7-2.7) and the residual SO in the waste gas is treated again2Further cleaning the waste gas of the cupola furnace to ensure that SO in the waste gas of the cupola furnace2The content is obtained by the national or local special emission limit value, and the clean tail gas after desulfurization is discharged from a chimney arranged at the right top of the desulfurizing tower.
Claims (5)
1. A cupola furnace cleaning production device comprises a cupola furnace (1), a cyclone dust collector (2), a condenser (3), a bag-type dust collector (4), a system connecting pipeline (5), a fan (6), a desulphurization device (7) and a double-alkali solution circulating pool (8) cleaning production system device; the device is characterized in that the desulfurization device (7) comprises a base (7-1), a desulfurization tower (7-2), a bell-mouth-shaped connecting section (7-3), a chimney (7-4), an upper maintenance platform (7-5), a ladder (7-6), a middle maintenance platform (7-7), a lower maintenance platform (7-8), an upper double-alkali solution pipeline (7-9), a double-alkali solution supply branch pipe (7-10) and a double-alkali waste liquid discharge pipeline (7-11); the desulfurizing tower (7-2) is of a cylindrical structure and is fixedly arranged on the base (7-1), the bell-mouth-shaped connecting section (7-3) and the chimney (7-4) are arranged at the right top of the desulfurizing tower (7-2), and the desulfurizing tower (7-2) and the chimney (7-4) are fixedly connected through the upper end and the lower end of the bell-mouth-shaped connecting section (7-3);
the outer circumferential edge of the desulfurizing tower (7-2) is fixedly provided with three layers of upper overhauling platforms (7-5), middle overhauling platforms (7-7) and lower overhauling platforms (7-8) from bottom to top, and the upper overhauling platforms (7-5), the middle overhauling platforms (7-7) and the lower overhauling platforms (7-8) are fixedly connected through the ladder stands (7-6);
the upper double-alkali solution pipelines (7-9) are respectively and fixedly communicated with double-alkali solution supply branch pipes (7-10) arranged outside the desulfurizing tower (7-2) from bottom to top, the number of the double-alkali solution supply branch pipes (7-10) is 4, and each double-alkali solution supply branch pipe (7-10) penetrates into the desulfurizing tower (7-2) and is fixedly connected with the outer wall of the desulfurizing tower (7-2); the double-alkali waste liquid discharge pipeline (7-11) is fixedly arranged on one side of the bottom of the desulfurizing tower (7-2).
2. A cupola cleaning production apparatus according to claim 1, wherein the desulfurizing tower (7-2) further comprises a bottom spray device (7-2.1), a lower grid (7-2.2), a lower spray device (7-2.3), a middle grid (7-2.4), a middle spray device (7-2.5), an upper grid (7-2.6), an upper spray device (7-2.7), a grid support pipe (7-2.2-6), and an access manhole (7-2.8);
the bottom spray device (7-2.1), the lower grid (7-2.2), the lower spray device (7-2.3), the middle grid (7-2.4), the middle spray device (7-2.5) and the upper grid (7-2.6), wherein the upper spray device (7-2.7) is uniformly, horizontally and detachably fixed on the inner circumference of the desulfurizing tower (7-2) at intervals from bottom to top in a layering way;
the bottom parts of the lower grating (7-2.2), the middle grating (7-2.4) and the upper grating (7-2.6) are respectively provided with the grating support pipe (7-2.2-6), and the grating support pipe (7-2.2-6) is horizontally and fixedly connected with the inner wall of the desulfurizing tower (7-2);
the inspection manholes (7-2.8) are arranged at four positions, the first position is arranged at the lower part of the bottom spraying device (7-2.1), the second position is arranged between the lower grating (7-2.2) and the lower spraying device (7-2.3), the third position is arranged between the middle grating (7-2.4) and the middle spraying device (7-2.5), and the fourth position is arranged between the upper grating (7-2.6) and the upper spraying device (7-2.7), so that the inspection by staff is facilitated.
3. A cupola furnace cleaning production apparatus according to claim 2, wherein the bottom spray device (7-2.1), the lower spray device (7-2.3), the middle spray device (7-2.5) and the upper spray device (7-2.7) are all of the same design; the spraying device comprises a spraying head (7-2.7-1), a spraying outer ring double-alkali solution pipe (7-2.7-2), a spraying inner ring double-alkali solution pipe (7-2.7-3), a spraying connection double-alkali solution pipe (7-2.7-4), the spraying outer ring double-alkali solution pipe (7-2.7-2) and the spraying inner ring double-alkali solution pipe (7-2.7-3) are fixedly communicated through the spraying connection double-alkali solution pipe (7-2.7-4), the spray header (7-2.7-1) is detachably and uniformly fixed on the lower side surfaces of the spray outer ring double-alkali solution pipe (7-2.7-2), the spray inner ring double-alkali solution pipe (7-2.7-3) and the spray connecting double-alkali solution pipe (7-2.7-4); the spraying connection double-alkali solution pipe (7-2.7-4) is fixedly communicated with the double-alkali solution supply branch pipe (7-10).
4. A cupola furnace cleaning production device according to claim 2, wherein the upper grid (7-2.6) is a net structure, evenly divided into n pieces, for easy installation and maintenance; the single grid of the upper grid (7-2.6) comprises grid grids (7-2.6-1), baffles (1 (7-2.6-2) and upper baffles (1 (7-2.6-3), the grid grids (7-2.6-1) are horizontally and fixedly arranged between the baffles (1 (7-2.6-2) on two sides, and the top of one outer side of each baffle (1 (7-2.6-2) is fixedly provided with the upper baffle (1 (7-2.6-3).
5. The cupola furnace cleaner production device according to claim 2, wherein the lower grid (7-2.2) and the middle grid (7-2.4) have the same shape and structure, the lower grid (7-2.2) and the middle grid (7-2.4) have a bent structure in the longitudinal section, and the lower grid (7-2.2) and the middle grid (7-2.4) are respectively and uniformly divided into n blocks to facilitate installation and maintenance; the single grids of the lower grid (7-2.2) and the middle grid (7-2.4) comprise bent filter plates (7-2.4-1), baffles (2 (7-2.4-2) and upper baffles (2 (7-2.4-3), the bent filter plates (7-2.4-1) are horizontally and fixedly arranged between the baffles (2 (7-2.4-2) at two sides, and the top of one outer side of each baffle (2 (7-2.4-2) is fixedly provided with the upper baffle (2 (7-2.4-3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020676750.1U CN212523635U (en) | 2020-04-28 | 2020-04-28 | Clean production device of cupola furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020676750.1U CN212523635U (en) | 2020-04-28 | 2020-04-28 | Clean production device of cupola furnace |
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| Publication Number | Publication Date |
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| CN212523635U true CN212523635U (en) | 2021-02-12 |
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| CN202020676750.1U Active CN212523635U (en) | 2020-04-28 | 2020-04-28 | Clean production device of cupola furnace |
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| CN (1) | CN212523635U (en) |
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Address after: 048100 No.49, Nancheng West Street, Yangcheng County, Jincheng City, Shanxi Province Patentee after: YANGCHENG GREEN TECHNOLOGY RESEARCH AND DEVELOPMENT CENTER Patentee after: Shanxi Kailide Motor Parts Co.,Ltd. Address before: 048100 No.49, Nancheng West Street, Yangcheng County, Jincheng City, Shanxi Province Patentee before: YANGCHENG GREEN TECHNOLOGY RESEARCH AND DEVELOPMENT CENTER Patentee before: Yangcheng Xinmao Motor Accessories Co.,Ltd. |