CN109277213A

CN109277213A - Electrostatic cyclone dust collector

Info

Publication number: CN109277213A
Application number: CN201710628394.9A
Authority: CN
Inventors: 赵娟; 姚福钦; 吴超; 王传阳; 孙庆泽; 郑琪琪; 朱宏伟; 贾婷婷; 刘松年
Original assignee: Qingdao University of Technology
Current assignee: Qingdao University of Technology
Priority date: 2017-07-22
Filing date: 2017-07-22
Publication date: 2019-01-29

Abstract

The invention discloses an electrostatic cyclone dust collector, which comprises a volute air inlet, a cyclone cylinder, a dust collecting hopper, a retractable exhaust pipe, a burr-type corona electrode, and a support device. The retractable exhaust pipe is installed At the top of the cyclone, the air inlet of the volute is arranged on the side of the upper end of the cyclone, the thorn-shaped corona pole is located in the inner cavity of the cyclone, the dust collecting hopper is arranged at the bottom of the cyclone, and the cyclone is installed On the support device, a high-efficiency dust collector that combines electrostatic technology and cyclone technology has the characteristics of high dust removal efficiency and can handle high gas flow. Combining the cyclone technology can avoid installing a vibrating dust cleaning device, and use the internal rotating airflow to achieve automatic Continuous dust cleaning function, lower manufacturing cost and easy maintenance, provide a new way for the electrostatic precipitator to overcome the phenomenon of back corona, and effectively solve the problem of secondary flying.

Description

Electrostatic cyclone

Technical field

The invention belongs to technical field of dust removal equipment, and in particular to a kind of electrostatic cyclone.

Background technique

With the propulsion of Urbanization in China, energy consumption is in the trend of rapid growth, and pollutant discharge amount is also quick Increase, seriously affects environment, and dust particles are the major pollutants of atmosphere, for manufacturing industry, all kinds of production links The dust pollutant for all easily having an impact air quality in workshop is widely used and representative dedusting in China Equipment mainly has electric precipitator, cyclone dust collectors, sack cleaner etc., but these general dedusters respectively have advantage and disadvantage, Application is also not quite similar, and is mostly used to remove the dust particles that partial size is greater than 10 μm, and the efficiency of dust collection of single deduster It is not high, generally 85% or so, it can reach 90% or more deduster for efficiency of dust collection, up to 25 μm or more of dedusting partial size. The deduster of single dust removal mechanism obviously has been unable to meet the discharge standard of atmosphere pollution.

Summary of the invention

In order to overcome above-mentioned technical problem existing for prior art, the object of the present invention is to provide a kind of electrostatic Cyclone dust collectors, structure is simple, operation is reliable, operating cost is low, dedusting is adaptable, efficiency of dust collection is higher.

Electrostatic cyclone provided by the invention, it includes volute air-inlet mouth, cyclone cylinder, dust hopper, contraction type exhaust Pipe, barb type corona discharge electrode, support device, the contraction type exhaust pipe are installed on the top of cyclone cylinder, and the volute air-inlet mouth is set In cyclone cylinder upper side, the barb type corona discharge electrode is located at whirlwind tube inner chamber, and the dust hopper is set to cyclone cylinder bottom, described Cyclone cylinder is mounted in support device.

The cyclone cylinder includes straight tube and cone cylinder, and the wide mouth part of the cone cylinder connects straight tube, and the slot end of cone cylinder connects collection Dirt bucket.

The upper pipe end of the contraction type exhaust pipe is higher than the top barrel of cyclone cylinder, the lower pipe end of the contraction type exhaust pipe Whirlwind tube inner chamber is extended to, and the lower pipe end is concordant with the lower edge of the volute air-inlet mouth.

Barb type corona discharge electrode one end is fixed in contraction type exhaust pipe, and the other end is extending vertically under the straight tube Portion.

The support device includes hanging support and bracket, and the cyclone cylinder is installed on bracket by hanging support.

The cradle top is equipped with several hanging supports, several described hanging supports are distributed along straight tube even circumferential, It is supported on straight tube middle and lower part.

The hanging support includes backing plate, gusset and support foot plate, the backing plate and link of boards, the link of boards stabilizer blade Plate, the support foot plate are equipped with threaded connection hole.

Electrostatic cyclone provided by the invention, the beneficial effect is that: 1, air inlet is using the spiral case for rotating 180 ° Air inlet, the influence to internal gas flow is smaller, advantageously reduces interfering with each other for air-flow, substantially reduces the machine that short circuit occurs in air-flow Meeting, strikes the large dust particle of tube wall after can effectively trapping into deduster inside, while can reduce 20%-30% Resistance, shorten the mobile distance of particle, increase efficiency of dust collection；2, using contraction type exhaust pipe, lower end is by common straight tube Formula is changed to contraction type, and this design neither influences efficiency of dust collection, and can reduce resistance, is suitable for separating thinner dust Grain；3, the lower pipe end of contraction type exhaust pipe is concordant with the lower edge of the volute air-inlet mouth, can reduce the micro cyclone of annular space Air-flow, the pressure loss are smaller；4, the high-efficiency dust remover that collection electrostatic technique and cyclone technology combine, electrostatic technique can be effective It solves the problems, such as that dust of the single cyclone dust collectors for partial size less than 5 μm is not easy the drawback trapped, efficiency of dust collection is low, is removed with height Dirt efficiency and the characteristics of be capable of handling high gas flow, the dust particles for partial size greater than 5 μm remove it using cyclonic principle Dirt, and the dust for partial size less than 5 μm then uses electrostatic principle to its dedusting；And combine cyclone technology can be to avoid installation vibration Deashing device is beaten, realizes automatic continuous deashing function using internal swirling eddy, reduces manufacturing cost, it is easy to maintenance, for electricity Deduster overcomes back corona phenomenon to provide new approach, efficiently solves the problems, such as secondary fly-up；5, in the case of good seal, tool There is higher efficiency of dust collection, it is advantageously ensured that air cleaner, meets environmental requirement.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of one embodiment of the invention；

Fig. 2 is the structural schematic diagram of volute air-inlet mouth；

Fig. 3 is the main view of hanging support；

Fig. 4 is the left view of Fig. 3；

Fig. 5 is the top view of Fig. 3；

Fig. 6 is the main view of bracket；

Fig. 7 is the top view of Fig. 6；

Fig. 8 is schematic perspective view.

It is marked in figure:

1. volute air-inlet mouth；2. cyclone cylinder；3. barb type corona discharge electrode；4. dust hopper；5. contraction type exhaust pipe；6. Er Shizhi Seat；7. bracket；8. backing plate；9. gusset；10. support foot plate；11. threaded connection hole.

Specific embodiment

With reference to the accompanying drawings, in conjunction with one embodiment, electrostatic cyclone provided by the invention is carried out specifically It is bright.

Embodiment

Referring to Fig.1-figure, the electrostatic cyclone of the present embodiment, it includes volute air-inlet mouth 1, cyclone cylinder 2, dust hopper 4, contraction type exhaust pipe 5, barb type corona discharge electrode 3, support device, the contraction type exhaust pipe are installed on the top of cyclone cylinder 2, institute Volute air-inlet mouth 1 is stated set on 2 upper side of cyclone cylinder, the barb type corona discharge electrode 3 is located at 2 inner cavity of cyclone cylinder, the dust hopper 4 Set on 2 bottom of cyclone cylinder, the cyclone cylinder 2 is mounted in support device.

The cyclone cylinder 2 includes straight tube and cone cylinder, and the wide mouth part of the cone cylinder connects straight tube, and the slot end of cone cylinder connects collection Dirt bucket 4.

The upper pipe end of the contraction type exhaust pipe 5 is higher than the top barrel of cyclone cylinder 2, under the contraction type exhaust pipe 5 Pipe end extends to 2 inner cavity of cyclone cylinder, and the lower pipe end is concordant with the lower edge of the volute air-inlet mouth 1.

Described 3 one end of barb type corona discharge electrode is fixed in contraction type exhaust pipe 5, and the other end is extending vertically under the straight tube Portion.

The support device includes hanging support 6 and bracket 7, and the cyclone cylinder 2 is installed on bracket 7 by hanging support 6 On.

Several hanging supports 6 are equipped at the top of the bracket 7, several described hanging supports 6 are along straight tube even circumferential point Cloth is supported on straight tube middle and lower part.

The hanging support includes backing plate 8, gusset 9 and support foot plate 10, and the backing plate 8 and gusset 9 connect, the gusset 9 Support foot plate 10 is connected, the support foot plate 10 is equipped with threaded connection hole 11.

When electrostatic cyclone work, cyclone wall connects high-voltage power cathode, and barb type corona discharge electrode connects high voltage power supply Cathode, dusty gas are entered inside cyclone cylinder in the shape of a spiral by volute air-inlet mouth, and add high pressure electric forming between cathode and anode Inhomogeneous field, the barb type corona discharge electrode corona discharge of whirlwind tube inner chamber makes the gas closed on reach ionized state at this time, greatly The ion of amount, which is attached on dust particles, makes dust charged, when the sum of the centrifugal force of dust particles and electrostatic force are greater than suffered Resistance when, the grit of electrification can move to reach cyclone wall to the cyclone cylinder (anode plate) of connection high-voltage power cathode, encounter It falls into dust hopper and is collected along wall after cyclone wall；The particle that sub-fraction does not trap with air motion to Taper Pipe position When setting, by being captured again on lower turn at barb type corona discharge electrode, and clean gas is then discharged by contraction type exhaust pipe.

Claims

1. An electrostatic cyclone dust collector is characterized in that: it comprises a volute air inlet, a cyclone, a dust collecting hopper, a retractable exhaust pipe, a thorn type corona electrode, a support device, and the retractable exhaust The tube is installed at the top of the cyclone, the air inlet of the volute is arranged on the side of the upper end of the cyclone, the thorn-shaped corona pole is located in the inner cavity of the cyclone, the dust collecting hopper is arranged at the bottom of the cyclone, and the cyclone is located at the bottom of the cyclone. The cartridge is mounted on the support device.

2 . The electrostatic cyclone dust collector according to claim 1 , wherein the cyclone tube comprises a straight tube and a cone tube, the wide end of the cone tube is connected to the straight tube, and the narrow end of the cone tube is connected to the dust collecting hopper. 3 .

3. The electrostatic cyclone dust collector according to claim 1, wherein the upper pipe end of the retractable exhaust pipe is higher than the top wall of the cyclone cylinder, and the lower pipe end of the retractable exhaust pipe extends to the inner cavity of the cyclone, and the end of the lower tube is flush with the lower edge of the air inlet of the volute.

4 . The electrostatic cyclone dust collector according to claim 2 , wherein one end of the thorn-type corona electrode is fixed in the retractable exhaust pipe, and the other end extends vertically to the lower part of the straight cylinder. 5 .

5 . The electrostatic cyclone dust collector according to claim 2 , wherein the supporting device comprises an ear-type support and a bracket, and the cyclone cylinder is mounted on the bracket through the ear-type support. 6 .

6. The electrostatic cyclone dust collector according to claim 5, characterized in that: the top of the bracket is provided with a plurality of ear-type supports, the plurality of ear-type supports are evenly distributed along the circumference of the straight cylinder, and are supported on the middle and lower parts of the straight cylinder .

7 . The electrostatic cyclone dust collector according to claim 5 , wherein the ear type support comprises a backing plate, a rib plate and a foot plate, the backing plate and the rib plate are connected, and the rib plate is connected with the foot plate , the support plate is provided with a threaded connection hole.