CN216523168U - Production ore deposit rock wool is with multistage dust fall system of electric stove flue gas - Google Patents
Production ore deposit rock wool is with multistage dust fall system of electric stove flue gas Download PDFInfo
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- CN216523168U CN216523168U CN202123339084.6U CN202123339084U CN216523168U CN 216523168 U CN216523168 U CN 216523168U CN 202123339084 U CN202123339084 U CN 202123339084U CN 216523168 U CN216523168 U CN 216523168U
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Abstract
The utility model relates to a multi-stage dust settling system for electric furnace flue gas for producing mineral rock wool, which comprises a furnace cover dust hood for collecting the flue gas of a moisturizing electric furnace, wherein the furnace cover dust hood is sequentially connected with a cyclone dust collector, a bag-type dust collector and a wet electric dust collector through pipelines; the utility model has the advantages of multi-stage dust fall and effective treatment of flue gas.
Description
Technical Field
The utility model belongs to the technical field of dust fall of electric furnace flue gas, and particularly relates to a multi-stage dust fall system for electric furnace flue gas for producing mineral rock wool.
Background
The mineral wool and its products are light, durable, non-inflammable, non-corrosive, and non-moth-eaten, and are excellent heat insulating and sound absorbing material. The cotton-like short fibers prepared from silicate melts comprise slag wool, rock wool, glass wool, ceramic fibers and the like, the first two types of short fibers are generally used in China, the mineral wool which is obtained from the crater of Hawaii in the earliest time is called 'Fall' hair, and the slag wool is called by using metallurgical slag or fly ash as a main raw material; rock wool is called rock wool by using rocks such as basalt as main raw materials.
The method for preparing the mineral wool by adopting the silicomanganese alloy hot-melting slag is also a common means at present, an electric furnace is generally used for heating in the production process of the mineral wool, and high-temperature flue gas overflowed and scattered by the electric furnace cannot be effectively treated in the heating process, does not meet the national emission requirements, and cannot meet the current national emission standard.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide the multi-stage dust-settling system for the flue gas of the electric furnace for producing the mineral wool, which adopts multi-stage dust settling and effective flue gas treatment.
The technical scheme of the utility model is as follows:
the utility model provides a multistage dust fall system of electric stove flue gas for production ore deposit rock wool, is including collecting the bell suction hood of moisturizing electric stove flue gas, the bell suction hood has connected gradually cyclone, sack cleaner and wet electric dust remover through the pipeline, adopts the flue gas pipe connection that reduces the flue gas temperature between cyclone and the bell suction hood, adopt the transmission pipeline connection of installing centrifugal fan between sack cleaner and the wet electric dust remover.
Further, the flue gas pipeline is provided with a water-cooled wall, an electric ventilation butterfly valve and an air-cooled smoke conveying pipeline of which the on-off is controlled electrically in sequence, and the other end of the air-cooled smoke conveying pipeline is connected with a furnace eye dust hood.
Further, the stove eye dust excluding hood is trumpet-shaped, and the opening of the connecting part of the stove eye dust excluding hood and the air-cooled smoke conveying pipeline is smaller than the opening far away from the air-cooled smoke conveying pipeline.
Furthermore, an electric valve with a temperature sensor is arranged in the air-cooling smoke conveying pipeline.
Further, the air-cooled smoke conveying pipeline inclines downwards from the part connected with the smoke pipeline.
Further, the transmission pipeline comprises a pipeline a and a pipeline b, the pipeline a is respectively connected with the bag-type dust collector and the centrifugal fan, and the pipeline b is respectively connected with the centrifugal fan and the wet electric dust collector, so that the bag-type dust collector enters the wet electric dust collector from the transmission pipeline and the centrifugal fan.
Compared with the prior art, the utility model has the beneficial effects that:
1. the utility model adopts the cyclone dust collector, the bag-type dust collector and the wet electric dust collector to process the flue gas, thereby achieving the effects of multistage processing dust fall and effective treatment of the flue gas;
2. according to the utility model, the smoke is collected through the furnace cover dust hood and the furnace eye dust hood, the smoke pipeline is cooled by adopting the water-cooled wall, and the furnace eye smoke is collected and secondarily cooled through the air-cooled smoke conveying pipeline, so that the smoke is prevented from overheating and ineffective collection, and the effects of effectively collecting the smoke and preventing the smoke from overheating are achieved;
in a word, the utility model has the advantages of multi-stage dust fall and effective treatment of flue gas.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
In the figure, 1, a moisture-preserving electric furnace, 2, a furnace cover dust hood, 3, a water-cooled wall, 4, an electric ventilation butterfly valve, 5, a flue gas pipeline, 6, an air-cooled smoke conveying pipeline, 7, a furnace eye dust hood, 8, a cyclone dust collector, 9, a centrifugal fan, 10, a wet electric dust collector, 11, a transmission pipeline, 12 and a bag dust collector.
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 of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, the multi-stage dust-settling system for the flue gas of the electric furnace for producing mineral wool comprises a furnace cover dust hood 2 for collecting the flue gas of a moisture-preserving electric furnace 1, wherein the furnace cover dust hood 2 is sequentially connected with a cyclone dust collector 8, a bag-type dust collector 12 and a wet electric dust collector 10 through pipelines, the cyclone dust collector 8 and the furnace cover dust hood 2 are connected through a flue gas pipeline 5 for reducing the temperature of the flue gas, and the bag-type dust collector 12 and the wet electric dust collector 10 are connected through a transmission pipeline 11 provided with a centrifugal fan 9; wherein the flue gas of electric stove 1 that moisturizes is collected to bell suction hood 2, carries the flue gas to cyclone 8 in through flue gas pipeline 5, and cyclone 8 gets rid of large granule impurity, and in the flue gas through 8 dust fall of cyclone got into sack cleaner 12, sack cleaner 12 carried out the secondary treatment, and the flue gas rethread wet electrostatic precipitator 10 after the secondary treatment carries out the final treatment after discharge to reach the effect that multistage dust fall and flue gas effectively administered.
As shown in fig. 1, the flue gas pipeline 5 is sequentially provided with a water-cooled wall 3, an electric ventilation butterfly valve 4 and an air-cooled smoke conveying pipeline 6 which is electrically controlled to be switched on and off, the water-cooled wall 3 is a water-cooled sleeve and is wound on the flue gas pipeline 5, an electric valve with a temperature sensor is arranged in the air-cooled smoke conveying pipeline 6, the other end of the air-cooled smoke conveying pipeline 6 is connected with a furnace eye dust hood 7, the air-cooled smoke conveying pipeline 6 inclines downwards from a part connected with the flue gas pipeline 5, the furnace eye dust hood 7 is horn-shaped, and an opening of the part connected with the air-cooled smoke conveying pipeline 6, of the furnace eye dust hood 7, is smaller than an opening far away from the air-cooled smoke conveying pipeline 6; in the use process, connect the stove eye through tubaeform stove eye dust excluding hood 7, when opening the stove eye, accessible manual control electric valve opens, the flue gas and the air of stove eye are collected to stove eye dust excluding hood 7, because the flue gas just follows the interior exhaust of electric stove, so the temperature is higher, can mix the air and cool down, and air-cooled send cigarette pipeline 6 to send the flue gas into in flue gas pipeline 5, water-cooled wall 3 reduces the temperature of flue gas through the water-cooled mode, and when flue gas temperature of flue gas pipeline 5 is higher, this temperature value can independently be set for, air-cooled send cigarette pipeline 6 to participate in cold wind according to temperature sensor cooperation electric valve and cool down to the flue gas (this cold wind can be the air, also can be for the low temperature air after the cooling), prevent to cause cyclone 8 during operation because the flue gas is overheated, the overheated condition appears.
In this embodiment, the transmission pipeline 11 includes a pipeline a and a pipeline b, the pipeline a is respectively connected with the bag-type dust collector 12 and the centrifugal fan 9, and the pipeline b is respectively connected with the centrifugal fan 9 and the wet electric dust collector 10, so that the bag-type dust collector 12 enters the wet electric dust collector 10 from the transmission pipeline 11 and the centrifugal fan 9; in the using process, the centrifugal fan 9 sucks out the flue gas in the bag-type dust collector 12 through the pipeline a and conveys the flue gas into the wet electric dust collector 10 through the pipeline b, so that the flow of the flue gas is accelerated, and the flue gas is ensured to be conveyed into the wet electric dust collector 10 from the bag-type dust collector 12.
When the furnace eye temperature is reduced, the furnace eye is closed and the furnace eye dust hood 7 does not face the furnace eye, when the furnace eye is opened, the furnace eye dust hood 7 faces the furnace eye to collect the flue gas of the furnace eye and convey the flue gas into the cyclone dust collector 8 through the air-cooled smoke conveying pipeline 6 and the flue gas pipeline 5, the air-cooled smoke conveying pipeline 6 does not suck cold air, the flue gas enters the cyclone separator to remove large-particle impurities, the filtered flue gas enters the cloth bag dust collector 12 to be subjected to secondary treatment, the flue gas after the secondary treatment is conveyed into a wet electric dust collector 10 through a transmission pipeline 11 and a centrifugal fan 9 for final treatment and then is discharged.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.
Claims (6)
1. The utility model provides a multistage dust fall system of electric stove flue gas for production ore rock wool, is including the bell suction hood of collecting the electric stove flue gas that moisturizes, its characterized in that: the furnace cover dust hood is sequentially connected with a cyclone dust collector, a bag-type dust collector and a wet electric dust collector through pipelines, the cyclone dust collector and the furnace cover dust hood are connected through a flue gas pipeline for reducing the temperature of flue gas, and the bag-type dust collector and the wet electric dust collector are connected through a transmission pipeline provided with a centrifugal fan.
2. The multi-stage dust fall system for the flue gas of the electric furnace for producing the mineral wool according to claim 1, wherein: the flue gas pipeline is provided with a water-cooled wall, an electric ventilation butterfly valve and an air-cooled flue gas delivery pipeline of which the on-off is controlled electrically in sequence, and the other end of the air-cooled flue gas delivery pipeline is connected with a furnace eye dust hood.
3. The multi-stage dust fall system for the flue gas of the electric furnace for producing the mineral wool according to claim 2, characterized in that: the furnace eye dust removal cover is horn-shaped, and the opening of the connecting part of the furnace eye dust removal cover and the air-cooled smoke conveying pipeline is smaller than the opening far away from the air-cooled smoke conveying pipeline.
4. The multi-stage dust fall system for the flue gas of the electric furnace for producing the mineral wool according to claim 2, characterized in that: an electric valve with a temperature sensor is arranged in the air-cooled smoke conveying pipeline.
5. The multi-stage dust fall system for the flue gas of the electric furnace for producing the mineral wool according to claim 4, wherein: the air-cooled smoke conveying pipeline inclines downwards from the part connected with the smoke pipeline.
6. The multi-stage dust fall system for the flue gas of the electric furnace for producing the mineral wool according to claim 1, wherein: the transmission pipeline comprises a pipeline a and a pipeline b, the pipeline a is respectively connected with the bag-type dust remover and the centrifugal fan, and the pipeline b is respectively connected with the centrifugal fan and the wet electric dust remover, so that the bag-type dust remover enters the wet electric dust remover from the transmission pipeline and the centrifugal fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123339084.6U CN216523168U (en) | 2021-12-23 | 2021-12-23 | Production ore deposit rock wool is with multistage dust fall system of electric stove flue gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123339084.6U CN216523168U (en) | 2021-12-23 | 2021-12-23 | Production ore deposit rock wool is with multistage dust fall system of electric stove flue gas |
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| Publication Number | Publication Date |
|---|---|
| CN216523168U true CN216523168U (en) | 2022-05-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123339084.6U Active CN216523168U (en) | 2021-12-23 | 2021-12-23 | Production ore deposit rock wool is with multistage dust fall system of electric stove flue gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216523168U (en) |
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2021
- 2021-12-23 CN CN202123339084.6U patent/CN216523168U/en active Active
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