CN104888571A - Industrial flue gas dust removal device - Google Patents

Industrial flue gas dust removal device Download PDF

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Publication number
CN104888571A
CN104888571A CN201510356534.2A CN201510356534A CN104888571A CN 104888571 A CN104888571 A CN 104888571A CN 201510356534 A CN201510356534 A CN 201510356534A CN 104888571 A CN104888571 A CN 104888571A
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CN
China
Prior art keywords
dust
dust removal
unit
pipeline
electrostatic precipitation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201510356534.2A
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Chinese (zh)
Inventor
王文涛
战玉生
奚道鑫
梁敬斌
李波涛
隗玉凯
郝士杰
崔大成
王凯
王岩
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shandong Iron and Steel Co Ltd
Original Assignee
Shandong Iron and Steel Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shandong Iron and Steel Co Ltd filed Critical Shandong Iron and Steel Co Ltd
Priority to CN201510356534.2A priority Critical patent/CN104888571A/en
Publication of CN104888571A publication Critical patent/CN104888571A/en
Pending legal-status Critical Current

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Abstract

The invention relates to an industrial flue gas dust removal device. The industrial flue gas dust removal device comprises a gravitational dust removal unit, an electrostatic dust removal unit and a cloth bag dust removal unit. An inlet of the gravitational dust removal unit is connected with a flue gas pipeline. An outlet of the gravitational dust removal unit is connected to the electrostatic dust removal unit through a first pipeline. An outlet of the electrostatic dust removal unit is connected to the cloth bag dust removal unit through a second pipeline. An outlet of the cloth bag dust removal unit is connected with an exhaust fan through a third pipeline. The gravitational dust removal unit comprises a gravitational elbow. The electrostatic dust removal unit comprises an electrostatic dust removal chamber and a smoke dust sensor. Electrostatic dust removal electrodes are arranged in the electrostatic dust removal chamber. The smoke dust sensor is arranged in the first pipeline. The cloth bag dust removal unit comprises an air distributing chamber. A plurality of rotating shafts are arranged in the air distributing chamber. One end of each rotating shaft is fixed to a middle shaft, and the other end of each rotating shaft is provided with a dust-removing cloth bag. The middle shaft is fixed to an output shaft of a driving motor. The smoke dust sensor, the electrostatic dust removal electrodes and the driving motor are connected to a controller.

Description

A kind of industrial smoke dust arrester
Technical field
The invention belongs to industrial smoke dedusting technology field, relate to a kind of industrial smoke dust arrester; This dust arrester adopts three-stage filtration dedusting, can effectively remove the dust contained in flue gas, improves the dust removing effects of flue gas.
Background technology
" Law on Environmental Protection " issuing and implementation that on January 1st, 2015 is new, coordinate new " atmosphere pollutants emission standards ", and steel and iron industry Air Pollutant Emission provincial standard are also successively put into effect in each province and city, forces enterprise transformation to upgrade.
Along with the change of the fast development of China's steel and iron industry and structural adjustment in recent years and production pattern, existing discharge standard carries out strict control to the discharge of dust granules thing, and the equipment technology adopted at present has been difficult to the environmental requirement meeting energy-saving and emission-reduction.
Within 2008, Chinese industrial particle dust discharge amount is 670.7 ten thousand tons, and steel industry accounts for 15% of national dust discharge amount.The sack cleaner that current iron and steel metallurgical industry uses mostly is middle part flue ash bucket air inlet structure form, this version makes smoke inlet speed too high, air flow method is uneven, and cause dust granules secondary back-mixing in ash bucket, filter bag dust load is caused to increase the weight of, deduster running resistance increases, and all has a strong impact on, do not meet energy-saving and emission-reduction development policies to sack cleaner service life and dust removing effects.This is the deficiencies in the prior art part.
Therefore, provide design a kind of industrial smoke dust arrester, to improve, the dust removing effects of flue gas is necessary.
Summary of the invention
The object of the invention is to, for the defect existed in above-mentioned prior art, provide design a kind of industrial smoke dust arrester, to solve the problems of the technologies described above.
For achieving the above object, the present invention provides following technical scheme:
A kind of industrial smoke dust arrester, comprise gravitational dust collection unit, electrostatic precipitation unit and bag-type dust unit, the entrance of described gravitational dust collection unit connects flue, the outlet of described gravitational dust collection unit is connected to electrostatic precipitation unit by the first pipeline, the outlet of described electrostatic precipitation unit is by second pipe to connection bag-type dust unit, and the outlet of described bag-type dust unit is connected with air exhauster by the 3rd pipeline; It is characterized in that:
Described gravitational dust collection unit comprises gravity bend pipe,
Described electrostatic precipitation unit comprises electrostatic precipitation room and smoke gas sensor, and described electrostatic precipitation indoor are provided with electrostatic precipitation electrode, and described smoke gas sensor is arranged in the first pipeline,
Described bag-type dust unit comprises equal air compartment, is provided with multiple rotating shaft in described equal air compartment, and one end of described rotating shaft is fixed on axis, and the other end is provided with dust-removal cloth-bag, and described axis is fixed on the output shaft of drive motors,
Described smoke gas sensor, electrostatic precipitation electrode and drive motors are all connected to controller.
Preferably, the angle of inclination of described gravity bend pipe is greater than the tranquillization angle of dust; The settling velocity of dust can be accelerated, improve the sedimentation effect of dust.
Preferably, described gravity bend pipe is W type gravity bend pipe; Employing W type gravity bend pipe can realize the multi-level precipitation to dust in flue gas, fully to improve the sedimentation effect to dust in flue gas.
Preferably, the bottom of W type gravity bend pipe is provided with dust bucket; Collect the dust after gravity bend pipe precipitation.
Preferably, screen pack is provided with in described first pipeline; Elimination effect to dust can be strengthened further by arranging screen pack.
Preferably, screen pack is provided with in described second pipe; Elimination effect to dust can be strengthened further by arranging screen pack.
Preferably, be provided with digital altimeter in described 3rd pipeline, described digital altimeter is electrically connected with controller; In order to detect flue gas air pressure in real time.
Preferably, be also provided with gas flowmeter in described 3rd pipeline, described gas flowmeter is electrically connected with controller; In order to detect flue gas flow in real time.
Beneficial effect of the present invention is, by arranging three-stage filtration dust arrester, effectively can improve the elimination effect to dust in flue gas;
Carry out first time by gravity bend pipe to dust in flue gas to remove, carry out second time by the dust in electrostatic precipitation electrode pair flue gas and remove, by dust-removal cloth-bag, carried out to the dust in flue gas third time and remove;
Dust content in the flue gas entering electrostatic precipitation indoor can be gathered by arranging smoke gas sensor, the dust content that controller collects according to smoke gas sensor, selectively unlocking electrostatic precipitation unit and bag-type dust unit, to realize the effective removing to dust in flue gas; In addition, design principle of the present invention is reliable, and structure is simple, has application prospect widely.
As can be seen here, the present invention compared with prior art, has outstanding substantive distinguishing features and progress significantly, and its beneficial effect implemented also is apparent.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of industrial smoke dust arrester provided by the invention.
Wherein, 1-gravitational dust collection unit, 2-electrostatic precipitation unit, 3-bag-type dust unit, 4-first pipeline, 5-second pipe, 6-the 3rd pipeline, 7-controller, 8-digital altimeter, 9-gas flowmeter, 10-screen pack, 11-flue, 12-air exhauster, 1.1-gravity bend pipe, 1.2-dust bucket, 2.1-electrostatic precipitation room, 2.2-smoke gas sensor, 2.3-electrostatic precipitation electrode, the equal air compartment of 3.1-, 3.2-rotating shaft, 3.3-axis, 3.4-dust-removal cloth-bag, 3.5-drive motors.
Detailed description of the invention
Below in conjunction with accompanying drawing, also by specific embodiment, the present invention will be described in detail, and following examples are explanation of the invention, and the present invention is not limited to following embodiment.
As shown in Figure 1, a kind of industrial smoke dust arrester provided by the invention, comprise gravitational dust collection unit 1, electrostatic precipitation unit 2 and bag-type dust unit 3, the entrance of described gravitational dust collection unit 1 connects flue 11, the outlet of described gravitational dust collection unit 1 is connected to electrostatic precipitation unit 2 by the first pipeline 4, the outlet of described electrostatic precipitation unit 2 is by second pipe 5 to connecting bag-type dust unit 3, and the outlet of described bag-type dust unit 3 is connected with air exhauster 12 by the 3rd pipeline 6;
Described gravitational dust collection unit 1 comprises gravity bend pipe 1.1,
Described electrostatic precipitation unit 2 comprises electrostatic precipitation room 2.1 and smoke gas sensor 2.2, is provided with electrostatic precipitation electrode 2.3 in described electrostatic precipitation room 2.1, and described smoke gas sensor 2.2 is arranged in the first pipeline 4,
Described bag-type dust unit 3 comprises equal air compartment 3.1, be provided with multiple rotating shaft 3.2 in described equal air compartment 3.1, one end of described rotating shaft 3.2 is fixed on axis 3.3, and the other end is provided with dust-removal cloth-bag 3.4, described axis 3.3 is fixed on the output shaft of drive motors 3.5
Described smoke gas sensor 2.2, electrostatic precipitation electrode 2.1 and drive motors 3.5 are all connected to controller 7.
By arranging three-stage filtration dust arrester, the elimination effect to dust in flue gas effectively can be improved;
Carry out first time by dust in gravity bend pipe 1.1 pairs of flue gases to remove, carry out second time by the dust in electrostatic precipitation electrode 2.3 pairs of flue gases and remove, carry out third time by the dust in dust-removal cloth-bag 3.4 pairs of flue gases and remove;
Dust content in the flue gas entered in electrostatic precipitation room 2.1 can be gathered by arranging smoke gas sensor 2.2, the dust content that controller 7 collects according to smoke gas sensor 2.2, selectively unlocking electrostatic precipitation unit 2 and bag-type dust unit 3, to realize the effective removing to dust in flue gas.
In the present embodiment, the angle of inclination of described gravity bend pipe 1.1 is greater than the tranquillization angle of dust; The settling velocity of dust can be accelerated, improve the sedimentation effect of dust.
In the present embodiment, described gravity bend pipe 1.1 is W type gravity bend pipe; Employing W type gravity bend pipe can realize the multi-level precipitation to dust in flue gas, fully to improve the sedimentation effect to dust in flue gas.
In the present embodiment, the bottom of W type gravity bend pipe is provided with dust bucket 1.2; Collect the dust after gravity bend pipe precipitation.
In the present embodiment, in described first pipeline 4, be provided with screen pack 10; Elimination effect to dust can be strengthened further by arranging screen pack 10.
In the present embodiment, in described second pipe 5, be provided with screen pack 10; Elimination effect to dust can be strengthened further by arranging screen pack 10.
In the present embodiment, be provided with digital altimeter 8 in described 3rd pipeline 6, described digital altimeter 8 is electrically connected with controller 7; In order to detect flue gas air pressure in real time.
In the present embodiment, be also provided with gas flowmeter 9 in described 3rd pipeline 6, described gas flowmeter 9 is electrically connected with controller 7; In order to detect flue gas flow in real time.
The preferred embodiment of the present invention is only above; but the present invention is not limited thereto; any those skilled in the art can think there is no creationary change, and some improvements and modifications done without departing from the principles of the present invention, all should drop in protection scope of the present invention.

Claims (8)

1. an industrial smoke dust arrester, comprise gravitational dust collection unit, electrostatic precipitation unit and bag-type dust unit, the entrance of described gravitational dust collection unit connects flue, the outlet of described gravitational dust collection unit is connected to electrostatic precipitation unit by the first pipeline, the outlet of described electrostatic precipitation unit is by second pipe to connection bag-type dust unit, and the outlet of described bag-type dust unit is connected with air exhauster by the 3rd pipeline; It is characterized in that:
Described gravitational dust collection unit comprises gravity bend pipe,
Described electrostatic precipitation unit comprises electrostatic precipitation room and smoke gas sensor, and described electrostatic precipitation indoor are provided with electrostatic precipitation electrode, and described smoke gas sensor is arranged in the first pipeline,
Described bag-type dust unit comprises equal air compartment, is provided with multiple rotating shaft in described equal air compartment, and one end of described rotating shaft is fixed on axis, and the other end is provided with dust-removal cloth-bag, and described axis is fixed on the output shaft of drive motors,
Described smoke gas sensor, electrostatic precipitation electrode and drive motors are all connected to controller.
2. a kind of industrial smoke dust arrester according to claim 1, is characterized in that: the angle of inclination of described gravity bend pipe is greater than the tranquillization angle of dust.
3. a kind of industrial smoke dust arrester according to claim 1 and 2, is characterized in that: described gravity bend pipe is W type gravity bend pipe.
4. a kind of industrial smoke dust arrester according to claim 3, is characterized in that: the bottom of W type gravity bend pipe is provided with dust bucket.
5. a kind of industrial smoke dust arrester according to claim 4, is characterized in that: be provided with screen pack in described first pipeline.
6. a kind of industrial smoke dust arrester according to claim 5, is characterized in that: be provided with screen pack in described second pipe.
7. a kind of industrial smoke dust arrester according to claim 6, is characterized in that: be provided with digital altimeter in described 3rd pipeline, described digital altimeter is electrically connected with controller.
8. a kind of industrial smoke dust arrester according to claim 7, is characterized in that: be also provided with gas flowmeter in described 3rd pipeline, described gas flowmeter is electrically connected with controller.
CN201510356534.2A 2015-06-25 2015-06-25 Industrial flue gas dust removal device Pending CN104888571A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510356534.2A CN104888571A (en) 2015-06-25 2015-06-25 Industrial flue gas dust removal device

Publications (1)

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CN104888571A true CN104888571A (en) 2015-09-09

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106180090A (en) * 2016-07-20 2016-12-07 无锡派乐科技有限公司 A kind of electrode dedusting and dust suction convolution waste gas pipeline
CN106378257A (en) * 2016-11-17 2017-02-08 无锡大功机械制造有限公司 Waste gas conveying dust removing pipe
CN106512632A (en) * 2016-11-30 2017-03-22 安徽工业大学 Folded gathering unit and agglomeration gathering device of sintering flue gas fine particles
CN106512563A (en) * 2016-11-30 2017-03-22 安徽工业大学 Aggregation collecting and emission reducing method for sintering flue gas fine particles
CN108592055A (en) * 2018-07-19 2018-09-28 江苏安纳泰环保科技有限公司 A kind of chemical emission processing combustion furnace
CN111701380A (en) * 2020-07-28 2020-09-25 贵溪三元金属有限公司 Flue gas dust removal equipment for reverberatory furnace

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106180090A (en) * 2016-07-20 2016-12-07 无锡派乐科技有限公司 A kind of electrode dedusting and dust suction convolution waste gas pipeline
CN106378257A (en) * 2016-11-17 2017-02-08 无锡大功机械制造有限公司 Waste gas conveying dust removing pipe
CN106512632A (en) * 2016-11-30 2017-03-22 安徽工业大学 Folded gathering unit and agglomeration gathering device of sintering flue gas fine particles
CN106512563A (en) * 2016-11-30 2017-03-22 安徽工业大学 Aggregation collecting and emission reducing method for sintering flue gas fine particles
CN108592055A (en) * 2018-07-19 2018-09-28 江苏安纳泰环保科技有限公司 A kind of chemical emission processing combustion furnace
CN111701380A (en) * 2020-07-28 2020-09-25 贵溪三元金属有限公司 Flue gas dust removal equipment for reverberatory furnace

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Application publication date: 20150909

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