CN212548869U - Combined dust removal device for continuous casting flame cutting machine - Google Patents

Combined dust removal device for continuous casting flame cutting machine Download PDF

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Publication number
CN212548869U
CN212548869U CN202021970816.4U CN202021970816U CN212548869U CN 212548869 U CN212548869 U CN 212548869U CN 202021970816 U CN202021970816 U CN 202021970816U CN 212548869 U CN212548869 U CN 212548869U
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China
Prior art keywords
dust
nozzle
hood
dust removal
dust removing
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CN202021970816.4U
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Chinese (zh)
Inventor
刘逸舟
田凤军
何文斌
张绍强
梁凯丽
刘常富
杨秀青
吴康康
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Shandong Huijun Energy Saving And Environmental Protection Technology Co ltd
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Shandong Huijun Energy Saving And Environmental Protection Technology Co ltd
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Abstract

The utility model provides a combined dust removal device for a continuous casting flame cutting machine, which comprises a dust hood, wherein the dust hood is arranged on slide rails at two sides of the flame cutting machine in a sliding manner; a steel billet is arranged on the lower side of the dust hood; one end of an air pipe is connected to the upper side of the dust hood, and the other end of the air pipe is connected with a fan; the inside equipartition of dust excluding hood has the water smoke nozzle, the inside symmetry of dust excluding hood is provided with the cascade nozzle, the dust excluding hood can be relative slip on the slide rail, can remove the dust excluding hood to work area, form a relatively inclosed space, can spray water smoke through the nozzle, adsorb the production flue gas, the granule after the absorption can be through trachea suction, moreover, the steam generator is simple in structure and high-efficient, if the flue gas that produces is too big, can be through the cascade nozzle of opening the lateral wall, the cascade nozzle sprays relatively, can form one water wall, make the combination of flue gas and water smoke more thorough, the dust removal effect is better.

Description

Combined dust removal device for continuous casting flame cutting machine
Technical Field
The utility model relates to a combination formula dust collector for continuous casting fire cutter belongs to dust collecting equipment technical field.
Background
The continuous casting billet is cut after reaching the specified length in the steel production, most factories use flame cutting machines to perform segmented cutting due to high billet temperature (about 900 ℃), high-calorific-value gas is used for combustion, the section of the billet is melted, a large amount of smoke is generated by violent reaction, especially when high alloy, stainless steel and heat-resistant steel are cut, ultrafine iron powder needs to be added to blow into cutting flame, and powder combustion can generate a large amount of heat and generate larger smoke. The air can permeate into the interior and the top of the factory building to pollute the working environment, and the air can be polluted greatly when the air is discharged out of the factory building. The traditional dust removal facility of the flame cutting machine is used for collecting flue gas in the region of the flame cutting machine, cloth bag (or electrostatic) dust removal treatment is adopted, the defects of high equipment investment, high operation and maintenance cost, need of operation and control of professional personnel and the like exist, and the development of the unorganized emission dust removal work of the flame cutting process is limited.
Chinese patent document CN201710670963.6 provides a "dust hood device for continuous casting fire cutting machine", which includes a dust hood body, a dust removing pipe, a pipe support, an electric valve, an airflow guiding device, a driving device and a fixed base. The dust removal cover body is arranged above the flame cutting machine bracket through a taper pin; the front end of the dust removal pipe is connected with the dust removal cover body through a bolt, and the tail end of the dust removal pipe is provided with an electric valve which is connected with a main dust removal pipeline of a workshop; the dust removing cover body is internally provided with an airflow guide device, and the airflow guide device is connected with the rod end of the driving device through a connecting rod mechanism; the driving device is arranged outside the dust removing cover body through the fixed base. The utility model discloses device during operation drive arrangement stretches out the rod end, drives link mechanism counter-clockwise motion, makes the guide plate with rotation center counter-clockwise turning, on the contrary, drive arrangement's action and flame cut quick-witted cutting action are chain simultaneously, can effectual discharge flame cut quick-witted smoke and dust. However, the dust is removed by adopting a dust collection mode, only part of dust with smaller particles can be removed, the dust removal is not thorough, and a large amount of dust still exists around a working area, so that the damage and the damage to workers and the environment are caused. Meanwhile, because of different steel grades and different dust amounts generated during fire cutting, the device can not selectively start dust collection, atomization dust fall or combined dust collection according to the dust amount under different dust collection conditions, so that the effect of thoroughly removing dust is achieved.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art, the utility model provides a combination formula dust collector for continuous casting fire cutter, this combination formula dust collector adopt dust absorption and/or the mode that the atomizing was removed dust, remove dust more thoroughly, and the effect is more ideal.
The technical scheme of the utility model as follows:
a combined dust removal device for a continuous casting flame cutting machine comprises a dust removal cover, wherein the dust removal cover is arranged on sliding rails on two sides of the flame cutting machine in a sliding manner; the upper side of the dust hood is connected with one end of an air pipe, the other end of the air pipe is connected with a fan, a filter is arranged on the air pipe between the fan and the dust hood, and a filtering nozzle is arranged in the filter; be provided with the dust removal subassembly in the dust excluding hood, the dust removal subassembly is used for removing dust.
Preferably, the dust removal assembly comprises an atomization dust removal assembly, the atomization dust removal assembly comprises a support frame and a water mist nozzle, the support frame is horizontally fixed in the dust hood, and the water mist nozzle is fixedly arranged on the support frame.
Further preferably, the number of the water mist nozzles is 10 to 20.
Preferably, the dust removal assembly further comprises a water curtain assembly, the water curtain assembly comprises water curtain nozzles, the water curtain nozzles are symmetrically arranged on two sides in the dust removal cover, and the water curtain nozzles are located below the water mist nozzles.
Preferably, the air outlet of the fan is connected to an external slag runner. The design has the advantages that the removed and sucked dust is directly discharged into the slag runner below the flame cutting machine, and finally the dust is discharged through the slag runner.
Preferably, the bottom end of the dust hood is provided with a pulley, and the pulley is arranged in the sliding rail. The advantage of this design is, when the dust excluding hood needs the maintenance, can remove the dust excluding hood through the pulley, remove and leave the flame cut machine work position after, maintain the dust cover.
Preferably, the upper part of the dust hood is in an inverted funnel shape. The advantage of this design is that it makes smoke easier to gather and suck out.
Preferably, the filtering nozzle, the water mist nozzle and the water curtain nozzle are all connected with the liquid tank through water pipes, and a dedusting agent is arranged in the liquid tank. The design has the advantages that the proportion of the traditional Chinese medicine and the water in the dedusting agent is automatically proportioned according to a preset program, and the dedusting agent is automatically supplied for spray dedusting. According to the working state of the flame cutting machine, the operation of dust collection, spraying and the like is automatically opened and closed, and the spraying water curtain is selected according to the amount of the smoke.
According to the technical scheme of the utility model, the dust hood can slide relatively on the slide rail, and the dust hood can be moved out of a working area when the flame cutting machine is maintained, so that the maintenance of the flame cutting machine is not hindered; the dust excluding hood forms a relatively inclosed space, can adopt the dust absorption mode to remove dust alone, also can be through water smoke nozzle blowout water smoke, adsorb producing the flue gas, the smoke and dust particle part after the absorption descends to the cinder notch in, the remainder can be through trachea suction, simple structure is high-efficient, if the flue gas that produces is too big, can be through the cascade nozzle of opening the lateral wall, the cascade nozzle sprays relatively, can form a waterwall, make the combination of flue gas and water smoke more thorough, the dust removal effect is better. The dust removal device is provided with the filter, the dust removal assembly can not be started when dust is small, the filter is internally provided with the filtering nozzle, dust adsorbed into the air pipe can be sprayed and treated, the dust can flow out through the air pipe, dust is conveniently treated, and meanwhile the dust is prevented from being raised again.
The beneficial effects of the utility model reside in that:
1. the combined dust removal device adopts the combined modes of water mist, dust absorption, spraying and filtering dust removal, one or more combined dust removal modes are freely combined according to the smoke dust amount, atomized liquid drops are combined with dust through dust remover atomization, the dust weight is increased, and a large amount of dust falls under the action of gravity; the dust which is not infiltrated and fallen by the atomized liquid drops is sucked away under the action of the fan, so that the dust is removed more thoroughly, and the effect is better.
2. The utility model discloses the mode that combination formula dust collector alternative opening cascade nozzle and water smoke nozzle combine carries out different processing to the dust of not equidimension, or combines the mode of processing, and the more energy can be saved, and the effect is better simultaneously.
Drawings
FIG. 1 is a schematic structural view of the combined dust removing device of the present invention;
FIG. 2 is a schematic view of the internal structure of the dust hood of the present invention;
wherein: 1. a dust hood; 2. a slide rail; 3. an air tube; 4. a fan; 5. a steel billet; 6. a filter; 7. a water mist nozzle; 8. a water curtain nozzle; 9. a filtering nozzle; 10. a support frame.
Detailed Description
The present invention will be further described, but not limited to, by the following examples in conjunction with the accompanying drawings.
Example 1:
as shown in fig. 1-2, the present embodiment provides a combined dust removing device for a continuous casting flame cutting machine, which includes a dust removing cover 1, wherein the dust removing cover 1 is slidably disposed on slide rails 2 at two sides of the flame cutting machine; a billet 5 is arranged on the lower side of the dust hood 1; one end of an air pipe 3 is connected to the upper side of the dust hood 1, the other end of the air pipe 3 is connected with a fan 4, and a filter 6 is arranged on the air pipe 3 between the fan 4 and the dust hood 1; a filtering nozzle 9 is arranged in the filter 6, and a dust removal component is arranged in the dust removal cover 1 and used for removing dust.
Wherein, the dust removal component comprises an atomization dust removal component and a water curtain component; the atomization dust removal assembly comprises a support frame 10 and a water mist nozzle 7, the support frame 10 is horizontally fixed in the dust hood 1, and the water mist nozzle 7 is fixedly arranged on the support frame 10; 10 water mist nozzles 7 in total; the water curtain component comprises water curtain nozzles 8, the water curtain nozzles 8 are symmetrically arranged on two sides in the dust hood 1, and the water curtain nozzles 8 are located below the water mist nozzles 7. The dust hood 1 can relatively slide on the slide rail 2, and the dust hood 1 can be moved out of a working area when the flame cutting machine is maintained, so that the maintenance of the flame cutting machine is not hindered; dust excluding hood 1 forms a relatively inclosed space, can adopt the dust absorption mode to remove dust alone, also can be through water smoke nozzle 7 blowout water smoke, adsorb producing the flue gas, the smoke and dust particle part after the absorption descends to the cinder notch in, the remainder can be through trachea suction, simple structure is high-efficient, if the flue gas that produces is too big, can be through the cascade nozzle 8 of opening the lateral wall, cascade nozzle 8 sprays relatively, can form one waterwall, make the combination of flue gas and water smoke more thorough, the dust removal effect is better. Meanwhile, the filter 6 is arranged, the dust removal assembly is not started when the dust is small, the filter nozzle 9 is arranged in the filter, the dust adsorbed into the air pipe 3 can be sprayed and processed, the dust can flow out through the air pipe 3, the dust is convenient to process, and the dust is prevented from being raised again.
The air outlet of the fan 4 is connected to the external slag runner. The dust removed and sucked is directly discharged into a slag runner below the flame cutting machine. And discharging the dust through a slag runner. The dust excluding hood lower extreme is provided with the pulley, and the slide rail 2 is arranged in to the pulley. When the dust excluding hood needs to be maintained, the dust excluding hood can be moved through the slide rail 2, after the dust excluding hood is moved away from the working position of the flame cutting machine, the dust cover 1 is maintained, the upper part of the dust excluding hood is inverted funnel-shaped, so that smoke can be gathered and sucked out more easily, the filtering nozzle, the water mist nozzle and the water curtain nozzle are all connected with the liquid tank through the water pipe, and a dust removing agent is arranged in the liquid tank.
Example 2:
a combined dust removal device for a continuous casting fire cutter has the same structure as that of the embodiment 1, except that: the number of the water mist nozzles 7 is 20.
Example 3:
a working method of a combined dust removal device for a continuous casting fire cutter adopts the scheme of embodiment 1, and comprises the following steps:
(1) when the steel billet reaches the working area of the flame cutter in the dust cover, the flame cutter performs flame cutting on the steel billet;
(2) when the steel billet is cut by fire, the fan and the filtering nozzle are opened, and the particle smoke of the dust hood is extracted;
(3) selectively opening a water mist nozzle or simultaneously opening the water mist nozzle and a water curtain nozzle according to different steel grades and dust amount, and spraying and dedusting a working area; when the dust amount is larger, the water mist nozzle can be opened, and when the dust amount is larger, the water mist nozzle and the water curtain nozzle can be opened simultaneously;
(4) after the steel billet is cut by fire, the fan, the filter nozzle, the water mist nozzle and the water curtain nozzle are closed;
(5) and moving the billet out of the working area of the flame cutting machine.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. A combined dust removal device for a continuous casting flame cutting machine comprises a dust removal cover, and is characterized in that the dust removal cover is arranged on sliding rails on two sides of the flame cutting machine in a sliding manner; the upper side of the dust hood is connected with one end of an air pipe, the other end of the air pipe is connected with a fan, a filter is arranged on the air pipe between the fan and the dust hood, and a filtering nozzle is arranged in the filter; be provided with the dust removal subassembly in the dust excluding hood, the dust removal subassembly is used for removing dust.
2. The combined dust removing device according to claim 1, wherein the dust removing assembly comprises an atomizing dust removing assembly, the atomizing dust removing assembly comprises a support frame and a water mist nozzle, the support frame is horizontally fixed in the dust removing cover, and the water mist nozzle is fixedly arranged on the support frame.
3. The combined dust removing apparatus of claim 2, wherein the number of the water mist nozzles is 10 to 20.
4. The combined dust removing device according to claim 2, wherein the dust removing assembly further comprises a water curtain assembly, the water curtain assembly comprises water curtain nozzles, the water curtain nozzles are symmetrically arranged on two sides in the dust removing cover, and the water curtain nozzles are positioned below the water mist nozzles.
5. The combined dust extraction apparatus of claim 1, wherein the fan outlet is connected to an external slag runner.
6. The combined dust removing device according to claim 1, wherein the bottom end of the dust removing cover is provided with a pulley, and the pulley is arranged in the sliding rail.
7. A combined dust extraction apparatus according to claim 1, wherein the upper portion of the dust extraction hood is inverted funnel-shaped.
8. The combined dust removal device of claim 4, wherein the filtering nozzle, the water mist nozzle and the water curtain nozzle are all connected with a liquid tank through water pipes, and a dust removing agent is arranged in the liquid tank.
CN202021970816.4U 2020-09-10 2020-09-10 Combined dust removal device for continuous casting flame cutting machine Active CN212548869U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021970816.4U CN212548869U (en) 2020-09-10 2020-09-10 Combined dust removal device for continuous casting flame cutting machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021970816.4U CN212548869U (en) 2020-09-10 2020-09-10 Combined dust removal device for continuous casting flame cutting machine

Publications (1)

Publication Number Publication Date
CN212548869U true CN212548869U (en) 2021-02-19

Family

ID=74622607

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021970816.4U Active CN212548869U (en) 2020-09-10 2020-09-10 Combined dust removal device for continuous casting flame cutting machine

Country Status (1)

Country Link
CN (1) CN212548869U (en)

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