CN111420538A - Clean production device of cupola furnace - Google Patents
Clean production device of cupola furnace Download PDFInfo
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- CN111420538A CN111420538A CN202010350687.7A CN202010350687A CN111420538A CN 111420538 A CN111420538 A CN 111420538A CN 202010350687 A CN202010350687 A CN 202010350687A CN 111420538 A CN111420538 A CN 111420538A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/50—Sulfur oxides
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Abstract
The invention relates to the technical field of production of cupola smelting equipment, in particular to a clean production device of a cupola. 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 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 desulfurizing tower horn mouth shape linkage segment with the chimney. The device has simple manufacture and convenient operation, and can be used for flushing SO in the waste gas of the cupola2And part of dust remained in the waste gas is effectively removed, so that the sky is coveredThe furnace realizes clean production and can improve the production efficiency of enterprises.
Description
Technical Field
The invention relates to the technical field of production of cupola smelting equipment, in particular to a clean production device of a cupola.
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 invention aims at the SO existing in the cupola smelting smoke dust gas desulfurization device2The gas is not removed completely, the effect is not good, and the technical problem of certain pollution to the environment is also solved, thereby providing a cupola furnace cleaning production device.
In order to achieve the purpose, the invention adopts the technical scheme that: 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 desulphurization device, a double-alkali solution circulating pool and other cleaning production system devices; 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 a double-alkali solution supply branch pipe arranged outside the desulfurizing tower from bottom to top, and the double-alkali solution supply branch pipe respectively penetrates into the desulfurizing tower to be fixedly communicated with the bottom spraying device, the lower spraying device, the middle spraying device and the upper spraying device; 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 section of the grating is a bent structure, and the lower grating and the middle grating are respectively and uniformly divided into n blocks, so that the lower grating and the middle grating are convenient to mount and maintain; 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).
Further, the lower grid, the middle grid and the upper grid are preferably made of stainless steel materials.
When the device of the invention is operated, the cupola waste gas enters from the bottom of the desulfurization tower and is leached by the bottom spraying device to ensure that 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 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 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.
The invention can realize the following beneficial effects:
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.
In conclusion, the device of the invention has simple manufacture and convenient operation, and can not only flush 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 below with reference to the figures and examples.
As shown in fig. 1 to 10, the clean production device of the cupola furnace in the embodiment includes 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), a double-alkali solution circulating tank (8) and other clean production system devices; 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 pipeline (7-9) is respectively and fixedly communicated with a double-alkali solution supply branch pipe (7-10) arranged outside the desulfurizing tower (7-2) from bottom to top, and the double-alkali solution supply branch pipe (7-10) respectively penetrates into the desulfurizing tower (7-2) to be fixedly communicated with the bottom spraying device, the lower spraying device, the middle spraying device and the upper spraying device; 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 overhaul manhole (7-2.8) is 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 part grid (7-2.2) and the lower part spraying device (7-2.3), the third position is arranged between the middle part grid (7-2.4) and the middle part spraying device (7-2.5), the fourth position is arranged between the upper part grid (7-2.6) and the upper part spraying device (7-2.7), and the second position overhaul manhole (7-2.8), the third position overhaul manhole (7-2.8) and the fourth position (7-2.8) overhaul manhole are respectively arranged on the upper overhaul platform (7-5), the middle overhaul platform (7-7) and the lower overhaul platform (7-8) so as to facilitate the overhaul 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 grating (7-2.2) and the middle grating (7-2.4) have the same shape and structure, the longitudinal section of the grating is of a bent structure, and the lower grating (7-2.2) and the middle grating (7-2.4) are respectively and uniformly divided into n blocks so as 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).
In a further step, the lower grid (7-2.2), the middle grid (7-2.4) and the upper grid (7-2.6) are preferably made of stainless steel materials.
When the device of the invention is operated, the cupola waste gas enters from the bottom of the desulfurizing tower (7-2), and is leached by the bottom spraying device (7-2.1) to ensure that 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 waste gas of the cupola furnace passes throughPassing through the lower grid (7-2.2) and the lower spray device (7-2.3) and the middle grid (7-2.4) and the middle spray device (7-2.5) to ensure that most SO in the waste gas of the cupola furnace2After 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 (6)
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), a double-alkali solution circulating pool (8) and other cleaning production system devices; 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 pipeline (7-9) is respectively and fixedly communicated with a double-alkali solution supply branch pipe (7-10) arranged outside the desulfurizing tower (7-2) from bottom to top, and the double-alkali solution supply branch pipe (7-10) respectively penetrates into the desulfurizing tower (7-2) to be fixedly communicated with the bottom spraying device, the lower spraying device, the middle spraying device and the upper spraying device; 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 device according to claim 1, wherein the desulfurizing tower (7-2) comprises a bottom shower (7-2.1), a lower grid (7-2.2), a lower shower (7-2.3), a middle grid (7-2.4), a middle shower (7-2.5), an upper grid (7-2.6), an upper shower (7-2.7), a grid support 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; 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 cleaning production device according to claim 1 or 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 cleaner production device according to claim 1 or 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 1 or 2, wherein the lower grid (7-2.2) and the middle grid (7-2.4) have the same shape and structure, the longitudinal section of the grids is of a bent structure, and the lower grid (7-2.2) and the middle grid (7-2.4) are respectively and uniformly divided into n pieces so as 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).
6. A cupola cleaning production device according to claim 2, wherein the lower grate (7-2.2), the middle grate (7-2.4) and the upper grate (7-2.6) are preferably made of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010350687.7A CN111420538A (en) | 2020-04-28 | 2020-04-28 | Clean production device of cupola furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010350687.7A CN111420538A (en) | 2020-04-28 | 2020-04-28 | Clean production device of cupola furnace |
Publications (1)
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| CN111420538A true CN111420538A (en) | 2020-07-17 |
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| CN202010350687.7A Pending CN111420538A (en) | 2020-04-28 | 2020-04-28 | Clean production device of cupola furnace |
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| CN (1) | CN111420538A (en) |
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