CN201394503Y - High-voltage electrostatic dust collector for industrial stove - Google Patents

High-voltage electrostatic dust collector for industrial stove Download PDF

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Publication number
CN201394503Y
CN201394503Y CN2009201018505U CN200920101850U CN201394503Y CN 201394503 Y CN201394503 Y CN 201394503Y CN 2009201018505 U CN2009201018505 U CN 2009201018505U CN 200920101850 U CN200920101850 U CN 200920101850U CN 201394503 Y CN201394503 Y CN 201394503Y
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CN
China
Prior art keywords
air
voltage electrostatic
electrostatic dust
air distributing
distributing cylinder
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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.)
Expired - Lifetime
Application number
CN2009201018505U
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Chinese (zh)
Inventor
刘志强
闫正
杨敬伟
李庆
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Hebei University
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Hebei University
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Publication date
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Priority to CN2009201018505U priority Critical patent/CN201394503Y/en
Application granted granted Critical
Publication of CN201394503Y publication Critical patent/CN201394503Y/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model provides a high-voltage electrostatic dust collector used for an industrial stove, which is provided with an air inlet and an air outlet. A dust-collection electric field of the electrostatic dust collector is formed by a plurality of stand-pipe inner walls serving as a dust-collecting polar plate, a corona wire arranged at the center of the stand pipes, a high tension shackle insulator, and a corona wire set cradle arranged above the stand pipes. The utility model is characterized in that an air distributing cylinder is connected with the lower parts of the stand pipes; oneend of the air inlet is connected with a soot emission pipeline of the industrial stove, and the other end thereof is connected with the air distributing cylinder; a dust collector hopper is connectedwith the lower part of the air distributing cylinder; a rotary deflector is arranged at the air inlet connected with the air distributing cylinder and extends into the air distributing cylinder; andan air distributing plate is arranged on the other side of the air distributing cylinder and corresponds to the extended line of the rotary deflector. The air distributing cylinder designed in the dust collector enables the dusty gas to be uniformly distributed and then enter the dust-collecting unit; two-dimensional inverted V-shaped air distributing plate in the air distributing cylinder guidesand accelerates the air flow, so that the air can flows toward the middle of the air distributing cylinder, and the air flow can be uniformly distributed in the air distributing cylinder. The high-voltage electrostatic dust collector has evident dust collecting effect; the dust collecting efficiency can reach more than 99 percent; and submicron particles with size being 0.1 mm can be captured under high-temperature state. The high-voltage electrostatic dust collector is characterized by convenient operation and management, simple maintenance, etc.

Description

A kind of high-voltage electrostatic dust separator for industrial furnace
Technical field
The utility model relates to a kind of high-voltage electrostatic dust separator for industrial furnace, is mainly used in the environmental improvement of Industrial Stoves, belongs to industrial smoke dedusting technology field.
Background technology
Industrial Stoves are to be main fuel with coal, goods are carried out the heat resource equipment of technologies such as roast, insulation, and this kiln power consumption is big, and cloud of dust discharging is serious, and is very serious to the pollution of environment.The main at present high-voltage electrostatic dust separator that adopts of the environmental improvement of Industrial Stoves, can be under the prerequisite that does not change kiln basic structure, only install device for abatement of smoke and dust additional in the Industrial Stoves final stage, perhaps chimney is installed on the expansion chamber, because it is poor that hot gas and outside air form hot pressing in the chimney, makes air-flow have flow tendency from bottom to top.The deduster technical field has the people once to disclose the electrostatic precipitator technical scheme of standpipe combination, standpipe combination control of dust pole plate is made up of a plurality of hexagons or circular standpipe arranged vertical, at every standpipe center corona wire is installed, connect the negative pole of high pressure generator, standpipe combination control of dust pole plate connects anodal and ground connection, and the standpipe inwall forms the high-voltage electrostatic field, in electric field and standpipe under the effect of hot gas, air-flow is upwards flowed, and dust settling gets off.Because this class deduster volume is all bigger, the subject matter of existence is inhomogeneous that flue dust distributes in the bigger situation lower standing tube of smoke discharge amount, and efficiency of dust collection is lower.
Summary of the invention
The technical problem that the utility model will be separated the centre provides a kind of high-voltage electrostatic dust separator for industrial furnace of multitube vertical structure, by the equal wind apparatus that is provided with before flue dust enters deduster hot blast is evenly distributed in the high-voltage electrostatic field, the cyclonic separation big dust particle makes it natural subsidence to improve efficiency of dust collection.
The technical solution of the utility model is achieved in that this high-voltage electrostatic dust separator for industrial furnace, it is provided with air inlet and air outlet, its dedusting electric field is as the control of dust pole plate by a plurality of standpipe inwalls, corona wire is arranged at the standpipe center, high tension shackle insulator, corona wire group suspension bracket is arranged at standpipe top formation, it is characterized in that: the standpipe below connects equal air duct, air inlet one end is connected with the soot emissions pipeline of Industrial Stoves, the other end is connected with equal air duct, all the air duct below connects dust collector ash hopper, all the air inlet place that connects of air duct is provided with the deflector that circles round and extends in the equal air duct, and all the circle round extension line of deflector of air duct opposite side correspondence is provided with homogenating plate.
Described high-voltage electrostatic dust separator for industrial furnace, described deflector or the homogenating plate of circling round is two-dimentional herringbone setting.
Described high-voltage electrostatic dust separator for industrial furnace, the relation of the length L of the described deflector that circles round, spreading width W and equal air duct diameter D is as follows: L=(0.08-0.18) D; W=(0.15-0.1) D; Radius of gyration R=W/2; The height of deflector of circling round is consistent with the height of air inlet.
Described high-voltage electrostatic dust separator for industrial furnace, described homogenating plate are one section 1/4 circular arcs, and arc radius equates with the radius of gyration R of the deflector that circles round.
Described high-voltage electrostatic dust separator for industrial furnace, described standpipe cross section is rectangle, equilateral polygon or circle.
Described high-voltage electrostatic dust separator for industrial furnace, described corona wire lower end is provided with weight.
The equal air duct of high-voltage electrostatic dust separator for industrial furnace design described in the utility model makes that dusty gas distributed before entering dust removing units more even, helps improving dust-collecting efficiency.The deflector that circles round that is provided with in equal air ducts has settlement action, can make big particle at first sedimentation fall into ash bucket, and can not form the collection ash, also can reduce the windage of ventilating system.All the aerofoil profile homogenating plate in the air duct has the drainage acceleration to gas, and air-flow is moved to equal air duct middle part, will help air-flow and evenly distribute at equal air duct.It is obvious to the utlity model has dust collection effect, and efficiency of dust collection can reach more than 99%.Energy consumption is low: power consumption 0.2-0.8KWh/1000Nm 3Flue gas, and can under the condition of high temperature, capture not level 0.1mm particle of sub-micro.Convenient operation and management, characteristics such as easy to maintenance.
Description of drawings
Fig. 1 is a high-voltage electrostatic dust separator for industrial furnace stereogram of the present utility model
Fig. 2 is a high-voltage electrostatic dust separator for industrial furnace structural representation of the present utility model
Fig. 3 is the A-A view of Fig. 2
Fig. 4 is the utility model deflector schematic diagram that circles round
Mark is as follows among the figure:
1, air outlet 2, corona wire 3, standpipe 4, shell 5, weight
6, all air duct 7, homogenating plate 8, ash bucket 9, air inlet 10, deflector circles round
11, corona wire group suspension bracket 12, high tension shackle insulator
The specific embodiment
Fig. 1,2, the 3rd, the structural representation of the utility model high-voltage electrostatic dust separator for industrial furnace, it is provided with air inlet 9 and air outlet 1, its dedusting electric field is as the control of dust pole plate by a plurality of standpipe 3 inwalls, corona wire 2 is arranged at the standpipe center, high tension shackle insulator 12, corona wire group suspension bracket 11 is arranged at standpipe top formation, main innovate point of the present utility model is provided with equal air duct 6 below the vertical pipe type high-voltage electrostatic field, air inlet 9 one ends are connected with the soot emissions pipeline of Industrial Stoves, the other end is connected with equal air duct 6, all air duct 6 belows connect dust collector ash hopper 8, air inlet 9 places that equal air duct 6 connects are provided with the deflector 10 that circles round and extend in the equal air duct, all the circle round extension line of deflector 10 of air duct 6 opposite side correspondences is provided with homogenating plate 7, circle round deflector 10 or homogenating plate 7 is symmetrical arranged for two-dimentional herringbone, as shown in Figure 4: the length L of the deflector 10 that circles round, spreading width W is as follows with the relation of equal air duct 6 diameter D: L=(0.08-0.18) D; W=(0.15-0.1) D; Radius of gyration R=W/2; The height of deflector of circling round is consistent with the height of air inlet 9.
Homogenating plate 7 is circular arcs of one section 1/4, and arc radius equates with the radius of gyration R of the deflector that circles round.The standpipe cross section includes but not limited to rectangle, equilateral polygon or circle, and corona wire 2 lower ends that hang in the electric field are provided with weight 5.
In actual applications, the waste gas that contains volume of smoke that Industrial Stoves emit enters equal air duct 6 by air inlet 9.Circle round deflector 10 and the homogenating plate 7 of Symmetrical Two-dimentional herringbone structure will make the dust-contained airflow of high-speed motion produce circumnutation, formation swirling flow and eddy current in equal air ducts 6.The mutual rubbing action of the high velocity air of gyration airflow and porch makes particle bigger that dust granules speed reduces, and promotes the natural subsidence of larger particles, and final settlement is in ash bucket 7.The existence of air-flow swirling flow and eddy current makes the absolute velocity of air motion descend, and the even distribution on the formation macroeconomic significance in equal air duct 6, make dust-contained airflow before entering the vertical electrostatic precipitator body 5 of multitube, form more uniformly and distribute, reach desirable equal wind effect.Dust-contained airflow temperature height through equal wind processing, form pressure differential with ambient air, can moving upward of nature enter electrostatic precipitator standpipe 3, the embodiment that the utility model provides is that standpipe adopts the 2-5mm steel plate to be welded into square, form independently square standpipe, tube wall becomes the control of dust pole plate.A plurality of independently square standpipes are linked to each other, just constitute many group vertical pipe type electrostatic precipitator bodies.Corona wire 2 in the standpipe 3 adopts the stainless steel steel wire of diameter 2-3mm, is positioned at the geometric center of standpipe 3 square standpipes.The high voltage electric field that corona wire 2 produces is with air ionization, dust granules is charged and moving and finally accumulating on the pole plate of standpipe 3 tube walls to opposite electrode under the electric field force effect, by modes such as rappings the dust of collecting is recovered in the ash bucket 8, cleaned air is discharged in the atmosphere through air outlet 1.
Foregoing description only proposes as the enforceable technical scheme of the utility model high-voltage electrostatic dust separator for industrial furnace, not as the single restrictive condition to its structure itself.

Claims (6)

1, a kind of high-voltage electrostatic dust separator for industrial furnace, it is provided with air inlet (9) and air outlet (1), its dedusting electric field is as the control of dust pole plate by a plurality of standpipes (3) inwall, corona wire (2) is arranged at the standpipe center, high tension shackle insulator (12), corona wire group suspension bracket (11) is arranged at standpipe top formation, it is characterized in that: the standpipe below connects equal air duct (6), air inlet (9) one ends are connected with the soot emissions pipeline of Industrial Stoves, the other end is connected with equal air duct (6), all air duct (6) below connects dust collector ash hopper (8), all the air inlet (9) that connects of air duct (6) is located to be provided with the deflector (10) that circles round and is extended in the equal air duct, and all the circle round extension line of deflector (10) of air duct (6) opposite side correspondence is provided with homogenating plate (7).
2, high-voltage electrostatic dust separator for industrial furnace according to claim 1 is characterized in that: described deflector that circles round (10) or homogenating plate (7) are two-dimentional herringbone setting.
3, high-voltage electrostatic dust separator for industrial furnace according to claim 2 is characterized in that: the relation of the length L of the described deflector that circles round (10), spreading width W and equal air duct (6) diameter D is as follows: L=(0.08-0.18) D; W=(0.15-0.1) D; Radius of gyration R=W/2; The height of deflector of circling round is consistent with the height of air inlet (9).
4, according to claim 2 or 3 described high-voltage electrostatic dust separator for industrial furnace, it is characterized in that: described homogenating plate (7) is one section 1/4 a circular arc, and arc radius equates with the radius of gyration R of the deflector that circles round.
5, high-voltage electrostatic dust separator for industrial furnace according to claim 1 is characterized in that: described standpipe (3) cross section is rectangle, equilateral polygon or circle.
6, according to right 1 described high-voltage electrostatic dust separator for industrial furnace, it is characterized in that: described corona wire (2) lower end is provided with weight (5).
CN2009201018505U 2009-03-12 2009-03-12 High-voltage electrostatic dust collector for industrial stove Expired - Lifetime CN201394503Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009201018505U CN201394503Y (en) 2009-03-12 2009-03-12 High-voltage electrostatic dust collector for industrial stove

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009201018505U CN201394503Y (en) 2009-03-12 2009-03-12 High-voltage electrostatic dust collector for industrial stove

Publications (1)

Publication Number Publication Date
CN201394503Y true CN201394503Y (en) 2010-02-03

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Application Number Title Priority Date Filing Date
CN2009201018505U Expired - Lifetime CN201394503Y (en) 2009-03-12 2009-03-12 High-voltage electrostatic dust collector for industrial stove

Country Status (1)

Country Link
CN (1) CN201394503Y (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101524668B (en) * 2009-03-12 2011-04-13 河北大学 High-voltage electrostatic dust separator for industrial furnace
WO2020083100A1 (en) * 2018-10-22 2020-04-30 上海必修福企业管理有限公司 Engine emission treatment system and method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101524668B (en) * 2009-03-12 2011-04-13 河北大学 High-voltage electrostatic dust separator for industrial furnace
WO2020083100A1 (en) * 2018-10-22 2020-04-30 上海必修福企业管理有限公司 Engine emission treatment system and method

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C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20100203

Effective date of abandoning: 20090312