CN209917496U - Energy-concerving and environment-protective smelting furnace dust collecting equipment - Google Patents
Energy-concerving and environment-protective smelting furnace dust collecting equipment Download PDFInfo
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- CN209917496U CN209917496U CN201822265622.3U CN201822265622U CN209917496U CN 209917496 U CN209917496 U CN 209917496U CN 201822265622 U CN201822265622 U CN 201822265622U CN 209917496 U CN209917496 U CN 209917496U
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- smelting furnace
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- cooling water
- flue gas
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Abstract
The utility model provides energy-saving and environment-friendly dust removal equipment for a smelting furnace, which comprises the smelting furnace, a dust hood, a high-temperature flue gas pipeline, a cooling water tank, a cooling flue gas pipeline and a dust remover; the dust hood is arranged above the smelting furnace, the high-temperature flue gas pipeline is connected between the dust hood and a first air inlet on the cooling water tank, and the cooling flue gas pipeline is connected between a first air outlet of the cooling water tank and a second air inlet on the dust remover; a heat exchange pipe is arranged in the cooling water tank, one end of the heat exchange pipe is communicated with the first air inlet, and the other end of the heat exchange pipe is communicated with the first air outlet; the heat exchange tube consists of a plurality of sections of straight pipelines and a plurality of sections of bent pipelines, and the plurality of sections of straight pipelines and the plurality of sections of bent pipelines are communicated with each other. The utility model discloses a smelting furnace dust collecting equipment can not only avoid the high temperature flue gas to cause the damage to the dust remover, still carries out recycle to the heat in the high temperature flue gas simultaneously, reaches energy-concerving and environment-protective purpose.
Description
Technical Field
The utility model relates to a dust collecting equipment field especially relates to an energy-concerving and environment-protective smelting furnace dust collecting equipment.
Background
In the production of steel and the like, smelting furnaces are often needed, and the smelting furnaces are mainly used for smelting carbon steel, alloy steel and special steel and can also be used for smelting and temperature raising of nonferrous metals such as copper, aluminum and the like. However, in the working process of the smelting furnace, a large amount of flue gas is generated, and if the flue gas is directly discharged, the flue gas pollutes the air and is not beneficial to energy conservation and emission reduction, so that the flue gas needs to be dedusted. The flue gas of smelting furnace top is directly carried to the dust remover in to current smelting furnace dust collecting equipment removes dust, because the flue gas temperature is very high, directly removes dust and can cause the harm to the dust remover, also can cause the white loss of heat simultaneously, increases manufacturing cost.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an energy-concerving and environment-protective smelting furnace dust collecting equipment can not only avoid the high temperature flue gas to cause the damage to the dust remover, still carries out recycle to the heat in the high temperature flue gas simultaneously, reaches energy-concerving and environment-protective purpose.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an energy-saving and environment-friendly dust removal device for a smelting furnace comprises the smelting furnace, a dust hood, a high-temperature flue gas pipeline, a cooling water tank, a cooling flue gas pipeline and a dust remover; the dust hood is arranged above the smelting furnace, the high-temperature flue gas pipeline is connected between the dust hood and a first air inlet on the cooling water tank, and the cooling flue gas pipeline is connected between a first air outlet of the cooling water tank and a second air inlet on the dust remover; a heat exchange pipe is arranged in the cooling water tank, one end of the heat exchange pipe is communicated with the first air inlet, and the other end of the heat exchange pipe is communicated with the first air outlet; the heat exchange tube is composed of a plurality of sections of straight pipelines and a plurality of sections of bent pipelines, and the plurality of sections of straight pipelines and the plurality of sections of bent pipelines are communicated with each other.
Preferably, a wind wheel is arranged inside the dust hood.
Preferably, a water outlet is formed in the bottom end of the cooling water tank, and an access hole is formed in the top of the cooling water tank.
Preferably, the cooling water tank contains cooling water inside, and the heat exchange tube is located in the cooling water.
Preferably, the dust remover includes collection ash chamber, ash valve, clean room and air-purifying chamber, the collection ash chamber is hourglass hopper-shaped, the ash valve is located the lower extreme of collection ash chamber, the clean room is located the top of collection ash chamber, the air-purifying chamber is located the top of clean room.
Preferably, the dust chamber is internally provided with a filter cartridge.
Preferably, the inside of air-purifying chamber is equipped with the fan, the side of air-purifying chamber is equipped with the second gas outlet.
Preferably, the second air inlet is provided on the dust chamber.
Compared with the prior art, the utility model provides an energy-saving and environment-friendly dust removal device for a smelting furnace, which collects high-temperature flue gas generated by the smelting furnace by using a dust hood, cools the high-temperature flue gas by using a cooling water tank, removes dust from the cooled flue gas by using a dust remover, and ensures that the discharged gas is pollution-free; the cooling water tank cools down the high temperature flue gas, can not only avoid the high temperature flue gas to cause the damage to the dust remover, still utilizes hot exchange pipe to carry out heat exchange simultaneously, carries out recycle with the heat in the high temperature flue gas, reaches energy-concerving and environment-protective purpose.
Drawings
FIG. 1 is a schematic structural view of an energy-saving and environment-friendly dust removing device of a smelting furnace in embodiment 1 of the present invention;
fig. 2 is an inside plan view of the cooling water tank of the dust removing device of the smelting furnace of the embodiment 1 of the utility model.
Detailed Description
In order to further understand the objects, structures, features and functions of the present invention, the following embodiments are described in detail.
Please refer to fig. 1 and fig. 2 in combination, fig. 1 is a schematic structural diagram of an energy-saving and environment-friendly dust removing device of a smelting furnace according to embodiment 1 of the present invention, and fig. 2 is an internal top view of a cooling water tank of an energy-saving and environment-friendly dust removing device of a smelting furnace according to embodiment 1 of the present invention. The energy-saving and environment-friendly smelting furnace dust removal equipment provided by the embodiment 1 of the utility model comprises a smelting furnace 1, a dust hood 2, a high-temperature flue gas pipeline 3, a cooling water tank 4, a cooling flue gas pipeline 5 and a dust remover 6; the dust hood 2 is arranged above the smelting furnace 1, the high-temperature flue gas pipeline 3 is connected between the dust hood 2 and a first air inlet 41 on the cooling water tank 4, and the cooling flue gas pipeline 5 is connected between a first air outlet 42 of the cooling water tank 4 and a second air inlet 61 on the dust remover 6; a heat exchange pipe 43 is arranged in the cooling water tank 4, one end of the heat exchange pipe 43 is communicated with the first air inlet 41, and the other end of the heat exchange pipe 43 is communicated with the first air outlet 42; the heat exchange tube 43 is composed of a plurality of sections of straight tubes 431 and a plurality of sections of curved tubes 432, and the plurality of sections of straight tubes 431 and the plurality of sections of curved tubes 432 are communicated with each other. Preferably, the inside of the cooling water tank 4 contains cooling water in which the heat exchange tubes 43 are located. The heat exchange pipe 43 is used for exchanging heat between high-temperature flue gas and cooling water, the high-temperature flue gas enters the heat exchange pipe 43 through the high-temperature flue gas pipeline 3 and the first air inlet 41, the heat exchange pipe 43 is designed into a plurality of sections of straight pipelines 431 and a plurality of sections of bent pipelines 432, the heat exchange efficiency can be improved, the high-temperature flue gas is cooled as far as possible, and the dust remover 6 is prevented from being damaged by the high-temperature flue gas.
In the dust removal process, the dust hood 2 above the smelting furnace 1 is used for collecting high-temperature flue gas generated by the smelting furnace 1, the high-temperature flue gas is conveyed into the heat exchange pipe 43 in the cooling water tank 4 through the high-temperature flue gas pipeline 3, the heat exchange pipe 43 is used for exchanging heat between the high-temperature flue gas and cooling water, and the heat of the high-temperature flue gas is used for heating the cooling water for other purposes; and then conveying the cooling flue gas to a dust remover 6 through a cooling flue gas pipeline 5 for dust removal, and discharging clean and pollution-free gas after dust removal. The utility model discloses set up cooling water tank 4 between suction hood 2 and dust remover 6, utilize cooling water tank 4 to cool off the high temperature flue gas, not only can avoid the high temperature flue gas to the harm of dust remover 6, prolong the life of dust remover 6, can also accomplish energy-concerving and environment-protective with the heat recycle in the high temperature flue gas.
The high-temperature flue gas pipeline 3 in the dust removing equipment of the smelting furnace 1 of the utility model is made of steel with high strength, high temperature resistance and corrosion resistance, and the service life can be prolonged; during dust removal, because the high-temperature flue gas passes through the inside of the heat exchange tube 43, and the temperature difference exists between the inside and the outside of the heat exchange tube 43, the heat exchange tube 43 needs to be made of a material with high temperature resistance, corrosion resistance and small high-temperature deformation, and the high-temperature flue gas is prevented from damaging the heat exchange tube.
As the preferred embodiment of the present invention, the inside of the dust hood 2 is provided with a wind wheel 21.
As the preferred embodiment of the utility model, the bottom of cooling water tank 4 is equipped with delivery port 44, and the top of cooling water tank 4 is equipped with access hole 45. During dust removal, heat exchange is carried out between the high-temperature flue gas and cooling water, the cooling water is changed into hot water or warm water, and the hot water or warm water can be discharged by utilizing the water outlet 44 and used in other scenes; the inside of the cooling water tank 4 is periodically overhauled by using the access hole 45, and safety accidents are avoided.
As the preferred embodiment of the present invention, the dust collector 6 includes an ash collecting chamber 62, an ash valve 63, a dust removing chamber 64 and an air purifying chamber 65, the ash collecting chamber 62 is funnel-shaped, the ash valve 63 is disposed at the lower end of the ash collecting chamber 62, the dust removing chamber 64 is disposed above the ash collecting chamber 62, the air purifying chamber 65 is disposed above the dust removing chamber 64, the filter cartridge 641 is disposed inside the dust removing chamber 64, the fan 651 is disposed inside the air purifying chamber 65, the side of the air purifying chamber 65 is disposed with the second air outlet 66, and the second air inlet 61 is disposed on the ash collecting chamber 62. The cooled flue gas enters the dust remover 6 from the second air inlet 61, dust removal is carried out in the dust removing chamber 64, dust or impurities in the flue gas are isolated outside the filter cartridge 641 by the filter cartridge 641, and clean air rises from the inside of the filter cartridge 641 to the air purifying chamber 65 and is discharged from the second air outlet 66 under the action of the fan 651; the separated dust or impurities enter the dust collecting chamber 62, and after a certain amount of dust or impurities are accumulated in the dust collecting chamber 62, the dust discharging valve 63 is opened to clean the dust collecting chamber 62.
The utility model provides energy-saving and environment-friendly dust removing equipment for a smelting furnace, which collects high-temperature flue gas generated by the smelting furnace 1 by using a dust hood 2, cools the high-temperature flue gas by using a cooling water tank 4, removes dust from the cooled flue gas by using a dust remover 6, and ensures that the discharged gas is pollution-free; the cooling water tank 4 cools down the high temperature flue gas, can not only avoid the high temperature flue gas to cause the damage to dust remover 6, still utilizes hot exchange pipe 43 to carry out the heat exchange simultaneously, carries out recycle with the heat in the high temperature flue gas, reaches energy-concerving and environment-protective purpose.
The present invention has been described in relation to the above embodiments, which are only examples for implementing the present invention. It should be noted that the disclosed embodiments do not limit the scope of the invention. On the contrary, all changes and modifications which do not depart from the spirit and scope of the present invention are deemed to fall within the scope of the present invention.
Claims (8)
1. The utility model provides an energy-concerving and environment-protective smelting furnace dust collecting equipment which characterized in that: comprises a smelting furnace, a dust hood, a high-temperature flue gas pipeline, a cooling water tank, a cooling flue gas pipeline and a dust remover; the dust hood is arranged above the smelting furnace, the high-temperature flue gas pipeline is connected between the dust hood and a first air inlet on the cooling water tank, and the cooling flue gas pipeline is connected between a first air outlet of the cooling water tank and a second air inlet on the dust remover; a heat exchange pipe is arranged in the cooling water tank, one end of the heat exchange pipe is communicated with the first air inlet, and the other end of the heat exchange pipe is communicated with the first air outlet; the heat exchange tube is composed of a plurality of sections of straight pipelines and a plurality of sections of bent pipelines, and the plurality of sections of straight pipelines and the plurality of sections of bent pipelines are communicated with each other.
2. The energy-saving and environment-friendly smelting furnace dust removing equipment according to claim 1, characterized in that: and a wind wheel is arranged in the dust hood.
3. The energy-saving and environment-friendly smelting furnace dust removing equipment according to claim 1, characterized in that: the bottom of cooling water tank is equipped with the delivery port, cooling water tank's top is equipped with the access hole.
4. The energy-saving and environment-friendly smelting furnace dust removing equipment according to claim 1, characterized in that: and cooling water is contained in the cooling water tank, and the heat exchange tubes are positioned in the cooling water.
5. The energy-saving and environment-friendly smelting furnace dust removing equipment according to claim 1, characterized in that: the dust remover comprises an ash collecting chamber, an ash valve, a dust removing chamber and an air purifying chamber, wherein the ash collecting chamber is funnel-shaped, the ash valve is arranged at the lower end of the ash collecting chamber, the dust removing chamber is arranged above the ash collecting chamber, and the air purifying chamber is arranged above the dust removing chamber.
6. The energy-saving and environment-friendly smelting furnace dust removing equipment according to claim 5, characterized in that: and a filter cylinder is arranged in the dust removing chamber.
7. The energy-saving and environment-friendly smelting furnace dust removing equipment according to claim 5, characterized in that: the inside of air-purifying chamber is equipped with the fan, the side of air-purifying chamber is equipped with the second gas outlet.
8. The energy-saving and environment-friendly smelting furnace dust removing equipment according to claim 5, characterized in that: the second air inlet is arranged on the dust collecting chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822265622.3U CN209917496U (en) | 2018-12-31 | 2018-12-31 | Energy-concerving and environment-protective smelting furnace dust collecting equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822265622.3U CN209917496U (en) | 2018-12-31 | 2018-12-31 | Energy-concerving and environment-protective smelting furnace dust collecting equipment |
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| CN209917496U true CN209917496U (en) | 2020-01-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201822265622.3U Active CN209917496U (en) | 2018-12-31 | 2018-12-31 | Energy-concerving and environment-protective smelting furnace dust collecting equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111578724A (en) * | 2020-05-20 | 2020-08-25 | 南京华电节能环保设备有限公司 | Electric furnace converter flue gas waste heat recovery device with dust removal function |
| CN114322584A (en) * | 2021-12-29 | 2022-04-12 | 湖北创伟科技股份有限公司 | Flue gas collecting and dedusting control device for aluminum smelting furnace |
-
2018
- 2018-12-31 CN CN201822265622.3U patent/CN209917496U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111578724A (en) * | 2020-05-20 | 2020-08-25 | 南京华电节能环保设备有限公司 | Electric furnace converter flue gas waste heat recovery device with dust removal function |
| CN114322584A (en) * | 2021-12-29 | 2022-04-12 | 湖北创伟科技股份有限公司 | Flue gas collecting and dedusting control device for aluminum smelting furnace |
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