CN113136247A - Blast furnace gas dust removal equipment for metallurgy and use method thereof - Google Patents
Blast furnace gas dust removal equipment for metallurgy and use method thereof Download PDFInfo
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- CN113136247A CN113136247A CN202110186047.1A CN202110186047A CN113136247A CN 113136247 A CN113136247 A CN 113136247A CN 202110186047 A CN202110186047 A CN 202110186047A CN 113136247 A CN113136247 A CN 113136247A
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
- C10K1/00—Purifying combustible gases containing carbon monoxide
- C10K1/02—Dust removal
- C10K1/024—Dust removal by filtration
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Abstract
The invention discloses a blast furnace gas dust removal device for metallurgy and a use method thereof, belonging to the metallurgy field, the blast furnace gas dust removal device for metallurgy comprises a dust removal box, wherein the inner wall of the upper end of the dust removal box is fixedly connected with a mounting plate, and a plurality of gas channels are arranged on the mounting plate, the scheme utilizes the adsorption effect of a magnet to lift a dust filter net bag, when the dust filter net bag is full of dust, the dust filter net bag falls down due to the change of weight to collide with a bearing plate, and the dust is shaken down due to the vibration during the collision, so that the self-cleaning of the dust filter net bag is realized, the dust removal effect can be effectively improved, the device utilizes an electric telescopic rod to enable the dust filter net bag to be adsorbed back again, when the dust filter net bag is separated from the gas channels, two elastic sealing plates seal the gas channels and insertion tubes to prevent the dust from permeating to influence the dust removal effect, and a vibration ball in the dust filter net bag can vibrate by itself during the collision, so as to enhance the vibration effect and effectively improve the ash removal effect.
Description
Technical Field
The invention relates to the field of metallurgy, in particular to blast furnace gas dust removal equipment for metallurgy and a using method thereof.
Background
Metallurgy has a long history of development, from the stoneware age to the subsequent bronze age, to the large-scale development of modern steel smelting. The history of human development fused the history of metallurgical development. Metallurgy is a process of removing impurities (unintended elements) in a metal solution by melting (heating above a melting point) for slagging and deslagging, and obtaining relatively pure alloy components from certain chemical components by deslagging, decarburization, deoxidation and the like. The main pollutants of metallurgical off-gases of metallurgical processes are: sulfur dioxide-containing flue gas, fluorine-containing flue gas, dust-containing coal gas, nitrogen oxide-containing flue gas and the like. The discharge amount of metallurgical waste gas is large, and the pollution area is wide; high temperature, complex components, fine dust particles and strong adsorption force; the waste gas has high recovery value.
Blast furnace gas is a byproduct combustible gas in the blast furnace ironmaking production process. Its composition is mainly formed from 6-12% of carbon dioxide, 28-33% of carbon monoxide, 1-4% of hydrogen, 55-60% of nitrogen gas, 0.2-0.5% of hydrocarbon and small quantity of sulfur dioxide. Its dust concentration is 10-50 g/cubic meter (standard condition), and its dust-producing quantity is averagely 50kg/t (pig iron) -75kg/t (pig iron). The dust has particle size below 500 μm, and mainly comprises iron, ferrous oxide, aluminum oxide, silicon oxide, magnesium oxide and coke powder.
The blast furnace gas has high dust content, the dust removal efficiency reaches 99.96-99.99%, the dust concentration can reach the discharge use requirement of 5mg/m 3-20 mg/m3 (standard condition), so the dust removal is needed, the dust removal effect of the existing dust removal equipment is often reduced because the dust is fully collected by the self purification part, the manual cleaning work is more complicated, and the existing dust removal equipment has no good solution.
Disclosure of Invention
1. Technical problem to be solved
The dust removal device comprises a dust filter net bag, a bearing plate, an electric telescopic rod, a dust filter net bag, a vibration plate, a dust removal ball, a dust removal device and a dust removal device.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A blast furnace gas dust removal device for metallurgy comprises a dust removal box, wherein a mounting plate is fixedly connected to the inner wall of the upper end of the dust removal box, a plurality of gas channels are arranged on the mounting plate, a base is arranged below each gas channel, a connecting rope is fixedly connected between the side wall of the upper end of the base and the side wall of the lower end of the mounting plate, a dust filtering net bag is fixedly connected to the side wall of the lower end of the base, an insertion pipe which penetrates through the base and is matched with the gas channels is communicated with the upper end of the dust filtering net bag, matched adsorption magnets are embedded in the side wall of the upper end of the base and the side wall of the lower end of the mounting plate, elastic sealing plates with the same structure are fixedly connected to the inner wall of the upper end of each insertion pipe and the inner wall of the lower end of each gas channel, a support is fixedly connected to the inner wall of the upper end of each gas channel, two insertion rods are fixedly connected to the side wall of the lower end of the support, and a bearing plate is fixedly connected to the inner wall of the lower end of the dust removal box, and a plurality of ash falling channels are arranged on the bearing plate, a plurality of bearing grooves matched with the lower end of the dust filtering net bag are arranged on the side wall of the upper end of the bearing plate, an electric telescopic rod is arranged at the lower end of the dust removing box, and the output end of the electric telescopic rod is fixedly connected with the side wall of the lower end of the bearing plate.
Furthermore, the dust filtering net bag comprises a supporting framework and a filter bag, the supporting framework is wrapped outside the filter bag and plays a supporting role so as to support the filter bag for filtering and dedusting.
Furthermore, the support frame is the hollow tube, and the support frame adopts plastic materials to make, the inside packing of support frame has the elasticity stopping, is in order to strengthen the toughness of support frame to the in-process that strikes repeatedly breaks, and is filled with a plurality of vibrations balls in the elasticity stopping, is in order to strengthen the vibrations effect of dust filtration string bag.
Furthermore, the vibration ball is a hollow ball, the solid ball is filled in the hollow ball, and after the vibration ball is collided, the solid ball collides with the hollow ball to vibrate, so that the vibration effect is effectively improved to enable more dust on the dust filter net bag to fall down.
Furthermore, the wall of the bearing groove is fixedly connected with a friction layer, and a buffer layer is filled between the friction layer and the wall of the bearing groove, so that the dust filtering net bag is prevented from rebounding after being impacted into the bearing groove and cannot be inserted back to the original position due to position deviation.
Furthermore, the elastic sealing plate is composed of two cohesive plates, the plates are made of silica gel materials, the silica gel has elasticity, when the insertion tube is inserted into the gas channel, the elastic sealing plate in the gas channel is pushed open by the insertion tube, and the elastic sealing plate in the insertion tube is pushed open by the insertion rod, so that the dust filtering net bag is communicated with the gas channel to enable gas to rise, and when the insertion tube is separated from the gas channel, the elastic sealing plate can restore the original shape under the action of the elasticity of the elastic sealing plate to be closed.
Furthermore, one of the plate sidewalls of the elastic sealing plate is provided with a plurality of arc-shaped protrusions, and the other plate is provided with a plurality of grooves matched with the arc-shaped protrusions, so as to ensure the sealing performance.
Further, the dust removal case is located the upper end inner wall fixedly connected with of mounting panel top and purifies the net, and purifies net and mounting panel laminating, is in order to further improve dust removal effect.
Further, the equal fixedly connected with in both sides of mounting panel strikes the vibrations pole, and strikes the vibrations pole and run through to the dust removal case outside, strikes the frequency that strikes the vibrations pole and can accelerate the dirt pocket and drop through manual intervention, and then effectively improves the dust removal effect of dirt pocket.
Further, the use method of the blast furnace gas dust removal equipment for metallurgy comprises the following steps:
s1, introducing the dust-containing blast furnace gas from the lower part of the dust removal box, filtering out dust when the gas passes through a filter bag, ascending the gas after dust removal through a gas channel, and further purifying the gas through a purification net and then discharging the gas;
s2, when the filter bag is full of dust, the adsorption magnet on the base is separated from the adsorption magnet on the mounting plate under the action of gravity, so that the dust filtering net bag falls and impacts the bearing plate, and the dust is shaken off under the action of the impact, thereby realizing the cleaning of the dust filtering net bag;
s3, the electric telescopic rod below the dust removal box pushes the dust filtering net bag upwards at intervals until the dust filtering net bag is adsorbed on the mounting plate again, and the electric telescopic rod returns to the original position;
s4, in order to increase the cleaning frequency of the dust filtering net bag, the patrol personnel can periodically knock and knock the vibration rod to make the dust filtering net bag fall off, and the dust removal efficiency can be effectively improved.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) this scheme utilizes the adsorption of magnet to lift the filter dust string bag, after the dust filter net bag is filled up with the dust, the change of weight makes filter dust string bag whereabouts and loading board striking, vibrations during the striking make the dust shake off, thereby realize the oneself's clearance of filter dust string bag, can effectively improve dust removal effect, this device utilizes electric telescopic handle to let the filter dust string bag adsorb back again, when filter dust string bag and gas passage separation, two elastic sealing plate seal gas passage and intubate, in order to avoid the dust infiltration and influence dust removal effect, but the inside vibrations ball of filter dust string bag self-shaking when the striking, in order to strengthen the vibrations effect, effectively improve the deashing effect.
(2) The dust filtering net bag comprises a supporting framework and a filter bag, the supporting framework is wrapped outside the filter bag and plays a supporting role so as to support the filter bag to filter and remove dust.
(3) The supporting framework is a hollow pipe and is made of plastic materials, elastic filling materials are filled in the supporting framework to enhance the toughness of the supporting framework so as to prevent the supporting framework from cracking during repeated impact, and a plurality of vibration balls are filled in the elastic filling materials to enhance the vibration effect of the dust filtering net bag.
(4) The vibration ball is a hollow ball, the solid small ball is filled in the hollow ball, and after the ball is collided and triggered, the solid small ball collides with the hollow ball to vibrate, so that the vibration effect is effectively improved, and more dust on the dust filter net bag falls down.
(5) The friction layer is fixedly connected to the wall of the bearing groove, and the buffer layer is filled between the friction layer and the wall of the bearing groove, so that the dust filtering net bag is prevented from rebounding after being impacted into the bearing groove, and the dust filtering net bag cannot be inserted into the original position again due to position deviation.
(6) The elastic sealing plate is composed of two embracing plates, the plates are made of silica gel materials, the silica gel has elasticity, when the insertion pipe is inserted into the gas channel, the elastic sealing plate in the gas channel is pushed open by the insertion pipe, and the elastic sealing plate in the insertion pipe is pushed open by the insertion rod, so that the dust filtering net bag is communicated with the gas channel to enable gas to rise, and when the insertion pipe is separated from the gas channel, the elastic sealing plate can restore the original shape under the action of the elasticity of the elastic sealing plate.
(7) One of the board lateral wall of elasticity sealing plate is provided with a plurality of arc lugs, and another board is provided with a plurality of recesses that match with the arc lug, is in order to guarantee the leakproofness.
(8) The dust removal case is located the upper end inner wall fixedly connected with of mounting panel top and purifies the net, and purifies net and mounting panel laminating, is in order to further improve dust removal effect.
(9) The equal fixedly connected with in both sides of mounting panel strikes the vibrations pole, and strikes the vibrations pole and run through to the dust removal case outside, strikes the frequency that strikes the vibrations pole and can accelerate the dirt screen pocket and drop through manual intervention, and then effectively improves the dust removal effect of dirt screen pocket.
Drawings
FIG. 1 is a schematic structural diagram of the working state of the present invention;
FIG. 2 is a schematic structural view of a self-cleaning state of the dust filter net bag according to the present invention;
FIG. 3 is a schematic view of the structure of the dust filter net bag of the present invention in a state of being communicated with a gas passage;
FIG. 4 is a schematic structural view showing a state where the dust filter net bag is separated from the gas passage according to the present invention;
FIG. 5 is a schematic view of a partial cross-sectional structure of the support frame of the present invention;
FIG. 6 is a schematic view of the structure at A in FIG. 3;
FIG. 7 is a schematic cross-sectional view of a carrier plate according to the present invention;
fig. 8 is a schematic front view of the elastic sealing plate of the present invention.
The reference numbers in the figures illustrate:
the device comprises a dust removal box 1, a mounting plate 2, a gas channel 3, a base 4, a dust filtration string bag 5, a supporting framework 501, elastic 5011 filler, a 5012 vibration ball, a 502 filter bag, a 6 connecting rope, an adsorption magnet 7, an insertion tube 8, an elastic sealing plate 9, a support 10, an insertion rod 11, a bearing plate 12, a 1201 dust falling channel, a bearing groove 13, a friction layer 14, a buffer layer 15, a knocking vibration rod 16 and a purification net 17.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
referring to fig. 1-8, a blast furnace gas dust removal device for metallurgy, comprising a dust removal box 1, referring to fig. 1-2, wherein the inner wall of the upper end of the dust removal box 1 is fixedly connected with a mounting plate 2, and the mounting plate 2 is provided with a plurality of gas channels 3, the inner wall of the upper end of the dust removal box 1 above the mounting plate 2 is fixedly connected with a purification net 17, and the purification net 17 is attached to the mounting plate 2, in order to further improve the dust removal effect, both sides of the mounting plate 2 are fixedly connected with a knocking vibration rod 16, and the knocking vibration rod 16 penetrates to the outside of the dust removal box 1, the frequency of dropping of a dust filtration string bag 5 can be accelerated by manually interfering with the knocking vibration rod 16, so as to effectively improve the dust removal effect of the dust filtration string bag 5, a base 4 is arranged below each gas channel 3, and a connecting rope 6 is fixedly connected between the upper end side wall of the base 4 and the lower end side wall of the mounting plate 2, the side wall of the lower end of the base 4 is fixedly connected with a dust filtering net bag 5 (the adsorption force of the adsorption magnet 7, the friction force between the inserted rod 11 and the elastic sealing plate 9 and the friction force between the elastic sealing plate 9 and the insertion pipe 8 are slightly larger than the self weight of the dust filtering net bag 5 through debugging of technicians in the field, so that the dust filtering net bag 5 can fall off smoothly after being filled with dust), and the upper end of the dust filtering net bag 5 is communicated with the insertion pipe 8 which penetrates through the base 4 and is matched with the gas channel 3;
referring to fig. 3-5, the dust filtering net bag 5 includes a supporting frame 501 and a filter bag 502, the supporting frame 501 wraps the outside of the filter bag 502, the supporting frame 501 plays a supporting role to support the filter bag 502 for filtering and removing dust, the supporting frame 501 is a hollow tube, the supporting frame 501 is made of plastic material, an elastic filler 5011 is filled in the supporting frame 501 to enhance the toughness of the supporting frame 501 and prevent the filter bag from breaking during repeated impact, a plurality of vibration balls 5012 are filled in the elastic filler 5011 to enhance the vibration effect of the dust filtering net bag 5, the vibration balls 5012 are hollow balls, solid small balls are filled in the hollow balls, after impact and impact, the solid small balls impact the hollow balls to generate vibration, thereby effectively improving the vibration effect and promoting more dust on the dust filtering net bag 5 to fall down, the upper side wall of the base 4 and the lower side wall of the mounting plate 2 are both inlaid with matched adsorption magnets 7,
referring to fig. 8, the inner wall of the upper end of the insertion tube 8 and the inner wall of the lower end of the gas channel 3 are both fixedly connected with an elastic sealing plate 9 having the same structure, the elastic sealing plate 9 is composed of two cohesive plates made of silica gel material, the silica gel has elasticity, when the insertion tube 8 is inserted into the gas channel 3, the elastic sealing plate 9 in the gas channel 3 is pushed open by the insertion tube 8, the elastic sealing plate 9 in the insertion tube 8 is pushed open by the insertion rod 11, so that the dust filter string bag 5 is communicated with the gas channel 3 to allow the gas to rise, when the insertion tube 8 is separated from the gas channel 3, the elastic sealing plate 9 can be restored to its original shape under the action of its own elasticity to be closed, one of the side walls of the elastic sealing plate 9 is provided with a plurality of arc-shaped protrusions, and the other plate is provided with a plurality of grooves matched with the arc-shaped protrusions, so as to ensure the sealing performance;
referring to fig. 6-7, a support 10 is fixedly connected to the inner wall of the upper end of the gas channel 3, two insertion rods 11 are fixedly connected to the sidewall of the lower end of the support 10, a bearing plate 12 is fixedly connected to the inner wall of the lower end of the dust removing box 1, a plurality of dust falling channels 1201 are formed on the bearing plate 12, a plurality of bearing grooves 13 matched with the lower ends of the dust filtering net bags 5 are formed in the sidewall of the upper end of the bearing plate 12, a friction layer 14 is fixedly connected to the walls of the bearing grooves 13, and a buffer layer 15 is filled between the friction layer 14 and the walls of the bearing grooves 13 to prevent the dust filtering net bags 5 from rebounding after impacting the bearing grooves 13 and being unable to be reinserted back to the original positions, an electric telescopic rod is installed at the lower end of the dust removing box 1 (the electric telescopic rod is well known technology known to those skilled in the art, and is controlled by a PLC controller to be started up and extended at regular intervals, the specific structure and the working principle of the electric telescopic rod are not described in detail, the specific type of the electric telescopic rod can be selected according to actual requirements), and the output end of the electric telescopic rod is fixedly connected with the side wall of the lower end of the bearing plate 12.
The using method of the device comprises the following steps:
s1, introducing the dust-containing blast furnace gas from the lower part of the dust removal box 1, filtering out dust when the gas passes through the filter bag 502, ascending the dust-removed gas through the gas channel 3, further purifying through the purification net 17, and discharging;
s2, when the filter bag 502 is full of dust, the adsorption magnet 7 on the base 4 is separated from the adsorption magnet 7 on the mounting plate 2 under the action of gravity, so that the dust filtering net bag 5 falls and impacts the bearing plate 12, and the dust is shaken down under the action of the impact, thereby realizing the cleaning of the dust filtering net bag 5;
s3, the electric telescopic rod below the dust removal box 1 pushes the dust filtering net bag 5 upwards at intervals until the dust filtering net bag 5 is adsorbed on the mounting plate 2 again and the electric telescopic rod returns to the original position;
s4, in order to increase the cleaning frequency of the dust filtering net bag 5, the patrol personnel can periodically knock the vibration rod 16 to make the dust filtering net bag 5 fall off, and the dust removal efficiency can be effectively improved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the equivalent replacement or change according to the technical solution and the modified concept of the present invention should be covered by the scope of the present invention.
Claims (10)
1. The utility model provides a metallurgical blast furnace gas dust collecting equipment, includes dust removal case (1), its characterized in that: the dust removal box is characterized in that an upper end inner wall of the dust removal box (1) is fixedly connected with a mounting plate (2), the mounting plate (2) is provided with a plurality of gas channels (3), a base (4) is arranged below each gas channel (3), a connecting rope (6) is fixedly connected between an upper end side wall of the base (4) and a lower end side wall of the mounting plate (2), a dust filtering net bag (5) is fixedly connected to the lower end side wall of the base (4), an insertion pipe (8) which penetrates through the base (4) and is matched with the gas channels (3) is communicated with the upper end of the dust filtering net bag (5), the upper end side wall of the base (4) and the lower end side wall of the mounting plate (2) are respectively inlaid with a matched adsorption magnet (7), an elastic sealing plate (9) with the same structure is fixedly connected to an upper end inner wall of the insertion pipe (8) and a lower end inner wall of the gas channel (3), and a support (10) is fixedly connected to an upper end inner wall of the gas channel (3), and two inserted bar (11) of lower extreme lateral wall fixedly connected with of support (10), the lower extreme inner wall fixedly connected with loading board (12) of dust removal case (1), and the going up of loading board (12) has seted up a plurality of ash falling passageways (1201), a plurality of bearing groove (13) that match with dirt pocket (5) lower extreme are seted up to the upper end lateral wall of loading board (12), electric telescopic handle is installed to the lower extreme of dust removal case (1), and electric telescopic handle's output and the lower extreme lateral wall fixed connection of loading board (12).
2. The blast furnace gas dust removal equipment for metallurgy according to claim 1, characterized in that: the dust filtering net bag (5) comprises a supporting framework (501) and a filter bag (502), and the supporting framework (501) is wrapped outside the filter bag (502).
3. The blast furnace gas dust removal equipment for metallurgy according to claim 2, characterized in that: support frame (501) are the hollow tube, and support frame (501) adopt plastic materials to make, the inside of support frame (501) is filled with elasticity stopping (5011), and is filled with in elasticity stopping (5011) and has a plurality of vibrations balls (5012).
4. The blast furnace gas dust removal equipment for metallurgy according to claim 3, characterized in that: the vibration ball (5012) is a hollow ball, and a solid ball is filled in the hollow ball.
5. The blast furnace gas dust removal equipment for metallurgy according to claim 1, characterized in that: the wall of the bearing groove (13) is fixedly connected with a friction layer (14), and a buffer layer (15) is filled between the friction layer (14) and the wall of the bearing groove (13).
6. The blast furnace gas dust removal equipment for metallurgy according to claim 1, characterized in that: the elastic sealing plate (9) is composed of two cohesive plates made of silica gel materials.
7. The blast furnace gas dust removal equipment for metallurgy according to claim 6, characterized in that: one side wall of the elastic sealing plate (9) is provided with a plurality of arc-shaped convex blocks, and the other plate is provided with a plurality of grooves matched with the arc-shaped convex blocks.
8. The blast furnace gas dust removal equipment for metallurgy according to claim 1, characterized in that: dust removal case (1) is located upper end inner wall fixedly connected with of mounting panel (2) top and purifies net (17), and purifies net (17) and mounting panel (2) laminating.
9. The blast furnace gas dust removal equipment for metallurgy according to claim 1, characterized in that: the equal fixedly connected with in both sides of mounting panel (2) strikes vibrations pole (16), and strikes vibrations pole (16) and run through to dust removal case (1) outside.
10. The method of using a blast furnace gas dust removal plant for metallurgy according to any one of claims 1 to 9, characterized in that: the method comprises the following steps:
s1, introducing the dust-containing blast furnace gas from the lower part of the dust removal box (1), filtering out dust when the gas passes through the filter bag (502), ascending the gas after dust removal through the gas channel (3), and discharging the gas after further purification through the purification net (17);
s2, when the filter bag (502) is full of dust, the adsorption magnet (7) on the base (4) is separated from the adsorption magnet (7) on the mounting plate (2) under the action of gravity, so that the dust filtering net bag (5) falls and impacts the bearing plate (12), and the dust is shaken down under the impact action, thereby realizing the cleaning of the dust filtering net bag (5);
s3, the electric telescopic rod below the dust removal box (1) pushes the dust filtering net bag (5) upwards at intervals until the dust filtering net bag (5) is adsorbed on the mounting plate (2) again and the electric telescopic rod returns to the original position;
s4, in order to increase the cleaning frequency of the dust filtering net bag (5), the patrol personnel can periodically knock the vibration rod (16) to make the dust filtering net bag (5) fall, and the dust removal efficiency can be effectively improved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110186047.1A CN113136247A (en) | 2021-02-14 | 2021-02-14 | Blast furnace gas dust removal equipment for metallurgy and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110186047.1A CN113136247A (en) | 2021-02-14 | 2021-02-14 | Blast furnace gas dust removal equipment for metallurgy and use method thereof |
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| Publication Number | Publication Date |
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| CN113136247A true CN113136247A (en) | 2021-07-20 |
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|---|---|---|---|
| CN202110186047.1A Withdrawn CN113136247A (en) | 2021-02-14 | 2021-02-14 | Blast furnace gas dust removal equipment for metallurgy and use method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113552142A (en) * | 2021-07-21 | 2021-10-26 | 建德南方水泥有限公司 | Cement raw material is system appearance equipment for characteristic analysis |
| CN114457521A (en) * | 2021-12-20 | 2022-05-10 | 际华三五零九纺织有限公司 | Weaving equipment is with reciprocating motion's high-speed water jet belt cleaning device that makes a round trip |
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2021
- 2021-02-14 CN CN202110186047.1A patent/CN113136247A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113552142A (en) * | 2021-07-21 | 2021-10-26 | 建德南方水泥有限公司 | Cement raw material is system appearance equipment for characteristic analysis |
| CN113552142B (en) * | 2021-07-21 | 2024-02-27 | 建德南方水泥有限公司 | Sample preparation equipment for cement raw material characteristic analysis |
| CN114457521A (en) * | 2021-12-20 | 2022-05-10 | 际华三五零九纺织有限公司 | Weaving equipment is with reciprocating motion's high-speed water jet belt cleaning device that makes a round trip |
| CN114457521B (en) * | 2021-12-20 | 2024-03-22 | 际华三五零九纺织有限公司 | High-speed water jet cleaning device capable of reciprocating back and forth for textile equipment |
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Application publication date: 20210720 |