CN111111366B - Industrial waste gas integrated dust collector - Google Patents
Industrial waste gas integrated dust collector Download PDFInfo
- Publication number
- CN111111366B CN111111366B CN202010053488.XA CN202010053488A CN111111366B CN 111111366 B CN111111366 B CN 111111366B CN 202010053488 A CN202010053488 A CN 202010053488A CN 111111366 B CN111111366 B CN 111111366B
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- Prior art keywords
- dust
- cyclone
- straight cylinder
- dustproof
- friction
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- 239000000428 dust Substances 0.000 title claims abstract description 245
- 239000007789 gas Substances 0.000 title claims abstract description 50
- 239000002440 industrial waste Substances 0.000 title claims abstract description 28
- 238000007790 scraping Methods 0.000 claims abstract description 82
- 238000007599 discharging Methods 0.000 claims abstract description 26
- 239000004744 fabric Substances 0.000 claims description 38
- 239000000725 suspension Substances 0.000 claims description 32
- 238000004873 anchoring Methods 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 3
- 239000002912 waste gas Substances 0.000 description 24
- 239000002245 particle Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 208000028659 discharge Diseases 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- 241000276425 Xiphophorus maculatus Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- QGJOPFRUJISHPQ-NJFSPNSNSA-N carbon disulfide-14c Chemical compound S=[14C]=S QGJOPFRUJISHPQ-NJFSPNSNSA-N 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 239000010815 organic waste Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/20—Combinations of devices covered by groups B01D45/00 and B01D46/00
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
Abstract
The invention discloses an industrial waste gas integrated dust removal device, which comprises: the cyclone dust removing part comprises a cyclone straight cylinder, a support column, a cyclone cone cylinder and a dust discharging piece, wherein the cyclone straight cylinder is arranged on the support column, the cyclone cone cylinder is arranged on the cyclone straight cylinder, and the dust discharging piece is arranged on the cyclone cone cylinder; the dust discharging piece comprises a dust discharging pipe, a butterfly valve and a dust collecting box, the dust discharging pipe is arranged on the cyclone cone, and the butterfly valve and the dust collecting box are both arranged on the dust discharging pipe; the cyclone straight cylinder is cylindrical, and an exhaust gas inlet pipe is fixedly and penetratingly arranged on the side wall of one end of the cyclone straight cylinder and is tangent to the cyclone straight cylinder; the bag type dust removing part comprises a bag cage, a dust scraping piece and a dustproof friction piece, wherein the bag cage is arranged on the cyclone straight cylinder, and the dust scraping piece and the dustproof friction piece are both arranged on the bag cage; the dust-proof friction piece rotates along the circumferential direction under the action of high-speed cyclone. The invention has the advantages of simple structure, compact structural design, high space utilization rate and high dust removal and dust discharge efficiency.
Description
Technical Field
The invention relates to the technical field of waste gas treatment, in particular to an industrial waste gas integrated dust removal device.
Background
The method is a large country of manufacture, and with rapid industrial development, the influence of waste gas generated by industrial manufacture on air quality is serious, and the waste gas must be discharged after being treated. Industrial waste gas refers to the general term of various pollutant-containing gases which are discharged into the air during the fuel combustion and production processes in factories, and comprise carbon dioxide, carbon disulfide, hydrogen sulfide, fluoride, nitrogen oxide, carbon monoxide, smoke dust and productive dust. The waste gas treatment refers to pretreatment of waste gas generated in industrial places and factory workshops before external discharge so as to reach the national external discharge standard of waste gas. The common waste gas treatment comprises the aspects of organic waste gas treatment, dust waste gas treatment, acid-base waste gas treatment, peculiar smell waste gas treatment, air sterilization, disinfection, purification and the like.
When a large amount of dust is contained in industrial waste gas, the waste gas needs to be subjected to dust removal treatment, and a spiral dust remover is a dust removing device for separating dust particles from dust-containing air flow by utilizing centrifugal force generated by rotating air flow. The existing spiral type industrial waste gas integrated dust removing device has the following defects:
1. the integrated structure has larger volume and is troublesome to transport and install;
2. the dust removal efficiency is low, and the efficiency is low for capturing fine dust with the particle size smaller than 5um and dust with small dust particle density, so that the requirements of the emission concentration of dust-containing gas are difficult to meet when the dust remover is used;
3. the dust removing effect is poor, and dust is easy to accumulate in the device; and the operation of the industrial waste gas integrated dust removal device is stopped when dust is discharged every time, so that the dust removal efficiency of the industrial waste gas is affected.
Therefore, the design of the integrated dust removal device for the industrial waste gas, which has the advantages of simple structure, compact structural design, high space utilization rate and high dust removal and dust exhaust efficiency, is a technical problem to be solved urgently by those skilled in the art.
Disclosure of Invention
In order to overcome the defects, the invention provides an industrial waste gas integrated dust removal device, which adopts the following technical scheme:
an industrial waste gas integrated dust removal device, comprising:
the cyclone dust removing part comprises a cyclone straight cylinder, a support column, a cyclone cone cylinder and a dust discharging piece, wherein the cyclone straight cylinder is arranged on the support column, the cyclone cone cylinder is arranged on the cyclone straight cylinder, and the dust discharging piece is arranged on the cyclone cone cylinder; the dust discharging piece comprises a dust discharging pipe, a butterfly valve and a dust collecting box, wherein the dust discharging pipe is arranged on the cyclone cone, and the butterfly valve and the dust collecting box are both arranged on the dust discharging pipe; the cyclone straight cylinder is cylindrical, an exhaust gas inlet pipe is fixedly arranged on the side wall of one end of the cyclone straight cylinder in a penetrating mode, and the exhaust gas inlet pipe is tangential to the cyclone straight cylinder, so that exhaust gas enters the cyclone straight cylinder from the exhaust gas inlet pipe to form high-speed cyclone.
The bag type dust removing part is arranged on the cyclone dust removing part and comprises a bag cage, a dust scraping piece and a dustproof friction piece, wherein the bag cage is arranged on the cyclone straight cylinder, and the dust scraping piece and the dustproof friction piece are both arranged on the bag cage; the dust-proof friction piece rotates along the circumferential direction under the action of high-speed cyclone.
Preferably, one end face of the cyclone straight cylinder is closed, the other end face of the cyclone straight cylinder is open, and a rotary through hole is formed in the center of one end face of the cyclone straight cylinder; the support column is columnar, and the length of the support column is longer than that of the cyclone straight cylinder; the support columns are uniformly and fixedly arranged on the cyclone straight cylinder, and the axes of the support columns are parallel to the axis of the cyclone straight cylinder; the bottom end surfaces of the support columns are horizontally and fixedly provided with bottom end fixing plates, and a plurality of anchoring through holes are uniformly formed in the bottom end fixing plates; the cyclone cone is in a cone shape, the diameter of the large end of the cyclone cone is the same as the outer diameter of the cyclone straight cylinder, the length of the cyclone cone is smaller than that of the support column, and the large end of the cyclone cone is fixedly and communicated with the other end of the cyclone straight cylinder.
Preferably, the dust exhaust pipe is Y-shaped, the outer diameter of the dust exhaust pipe is the same as the outer diameter of the small end of the cyclone cone, and one end of the dust exhaust pipe is fixedly and through-connected to the small end opening of the cyclone cone; the butterfly valves are arranged in two, and are respectively and correspondingly and fixedly arranged on the two air pipes at the other end of the dust exhaust pipe one by one.
The dust collecting boxes are box-shaped, two dust collecting boxes are arranged, and the dust collecting boxes are fixedly arranged on two air pipe ends at the other end of the dust exhaust pipe one by one in a corresponding mode.
Preferably, the cloth bag cage comprises a hanging support plate, a supporting cage and a cloth bag, wherein the hanging support plate is arranged on the cyclone straight cylinder, the supporting cage is arranged on the hanging support plate, and the cloth bag is arranged on the supporting cage.
The hanging support plate is plate-shaped, an exhaust through hole is formed in the circle center of the hanging support plate, the diameter of the outer ring of the hanging support plate is larger than that of the rotary through hole, and the diameter of the exhaust through hole is smaller than that of the rotary through hole; the lower surface of the suspension supporting plate is provided with a first thrust ball bearing, and the suspension supporting plate is overlapped with the axis of the first thrust ball bearing; the diameter of the outer ring of the first thrust ball bearing is larger than that of the outer ring of the suspension supporting plate, and the diameter of the inner ring of the first thrust ball bearing is larger than that of the exhaust through hole; the hanging support plate is arranged on one end face of the cyclone straight cylinder through the first thrust ball bearing, and the hanging support plate coincides with the axis of the rotary through hole.
Preferably, the support cage is cylindrical cage-shaped, the support cage comprises a longitudinal support rod and a connecting rod, the longitudinal support rod is arranged on the suspension supporting plate, and the connecting rod is arranged on the longitudinal support rod.
The longitudinal support rod is in a rod shape, and the length of the longitudinal support rod is longer than that of the cyclone straight cylinder; the plurality of longitudinal support rods are arranged, one end of each longitudinal support rod is uniformly and fixedly arranged on the suspension supporting plate around the circle center of the suspension supporting plate, and the distance between the longitudinal support rods and the circle center of the suspension supporting plate is smaller than the radius of the inner ring of the first thrust ball bearing; the connecting rods are arranged and respectively and correspondingly arranged at the other ends of the longitudinal supporting rods; the cloth bag is an exhaust gas dust removing cloth bag, and the cloth bag is sleeved on the supporting cage.
Preferably, the dust scraping member includes an air outlet duct provided on the hanging bracket, and a reciprocating dust scraping member provided on the air outlet duct.
The air outlet pipe is tubular, and the outer diameter of the air outlet pipe is smaller than the diameter of the exhaust penetrating hole; a supporting plate is sleeved at one end of the air outlet pipe; the supporting plate is plate-shaped, the center of the supporting plate is provided with a supporting through hole, the inner diameter of the supporting through hole is the same as the outer diameter of the air outlet pipe, and the supporting plate is fixedly sleeved on the air outlet pipe through the supporting through hole.
A second thrust ball bearing is arranged on one surface of the supporting plate, the diameter of an inner ring of the second thrust ball bearing is larger than the outer diameter of the air outlet pipe, and the diameter of the inner ring of the second thrust ball bearing is smaller than the diameter of an outer ring of the supporting plate; the air outlet duct has one end inserted into the air outlet penetration hole and is supported on the suspension blade by the second thrust ball bearing.
Preferably, the reciprocating dust scraping piece comprises a hanging rod, a reciprocating screw rod, a nut, a dust scraping rod, a dust scraping ring and a friction reducing ring, wherein the hanging rod is arranged on the air discharge pipe, the reciprocating screw rod is arranged on the hanging rod, the nut is arranged on the reciprocating screw rod, the dust scraping rod is arranged on the nut, the dust scraping ring is arranged on the dust scraping rod, and the friction reducing ring is arranged on the dust scraping ring.
The hanging rod is rod-shaped and horizontally and fixedly arranged in one end pipe of the air outlet pipe; the reciprocating screw rod is vertically and fixedly arranged on the middle point of the suspension rod, the nut is sleeved on the reciprocating screw rod, and the nut is matched with the reciprocating screw rod; the length of the dust scraping rods is greater than the distance from the longitudinal support rods to the center of the circle of the hanging support plate, the dust scraping rods are arranged in a plurality, and one ends of the dust scraping rods are horizontally and fixedly arranged on the nuts.
Preferably, the dust scraping ring is in a circular ring shape, and the inner diameter of the dust scraping ring is larger than the distance from the longitudinal support rod to the center of the suspension supporting plate; the dust scraping ring is sleeved on the supporting cage, the dust scraping ring is fixedly arranged on the dust scraping rod, and meanwhile the dust scraping ring is positioned in the cloth bag.
Preferably, the friction reducing rings are in a circular ring shape, at least eight friction reducing rings are arranged, and the friction reducing rings are uniformly sleeved on the dust scraping rings, so that the contact between the dust scraping rings and the cloth bag is converted from sliding friction to rolling friction.
Preferably, the dustproof friction piece comprises a dustproof friction cover and a wing plate, wherein the dustproof friction cover is arranged on the hanging support plate, and the wing plate is arranged on the dustproof friction cover.
The dustproof friction cover is generally cylindrical, the length of the dustproof friction cover is not smaller than that of the supporting cage, the inner diameter of the dustproof friction cover is larger than the outer diameter of the dust scraping ring, and a plurality of dust removing through holes which are uniformly distributed are formed in the side wall of the dustproof friction cover; one end of the dustproof friction cover is fixedly arranged on the hanging support plate, the axis of the dustproof friction cover is coincident with the axis of the hanging support plate, and meanwhile the dustproof friction cover is sleeved outside the supporting cage; the wing plate is rectangular and plate-shaped, a plurality of wing plates are arranged, and the side edges of the wing plates are uniformly distributed and fixedly arranged on the side wall of the dustproof friction cover along the axial direction of the dustproof friction cover.
The invention at least comprises the following beneficial effects:
1) The industrial waste gas integrated dust removing device has the advantages of simple structure, compact structural design, high space utilization rate and high dust removing and discharging efficiency;
2) The integrated dust removing device for industrial waste gas is provided with the cyclone dust removing part and the bag type dust removing part, wherein the cyclone dust removing part can remove dust from waste gas for the first time, namely dust particles with larger particle size in the waste gas are separated by centrifugal force; the bag type dust removing part can remove dust from the waste gas for the second time, namely, dust with smaller particle size in the waste gas can be separated, and the design can mutually make up the defects of cyclone dust removal and cloth bag dust removal so as to improve the dust removing efficiency of the waste gas;
3) The bag type dust removing part is arranged, and comprises a bag type cage, a dust scraping part and a dustproof friction part, wherein the bag type cage comprises a hanging supporting plate, a supporting cage and a bag, the bag can rotate along with the supporting cage, the rotating direction of the bag is the same as the rotating direction of the waste gas, the rotating speed of the bag is the same, and the bag is prevented from being worn by rotating dust caused by friction of the bag.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a schematic diagram of a three-dimensional structure of an industrial waste gas integrated dust removing device;
FIG. 2 is an enlarged view of part of the industrial waste gas integrated dust collector of FIG. 1A according to the present invention;
FIG. 3 is a first cross-sectional view of the industrial waste gas integrated dust collector of the present invention;
FIG. 4 is a second cross-sectional view of the industrial waste gas integrated dust collector of the present invention;
FIG. 5 is an enlarged view of part of the industrial waste gas integrated dust collector B of FIG. 4 according to the present invention;
FIG. 6 is a schematic three-dimensional structure of a cloth bag cage and a dust scraping member in the industrial waste gas integrated dust removing device.
Wherein: the device comprises a 1-cyclone straight cylinder, a 2-support column, a 3-cyclone cone cylinder, a 4-exhaust gas inlet pipe, a 5-dust exhaust pipe, a 6-butterfly valve, a 7-dust collection box, an 8-suspension supporting plate, a 10-cloth bag, a 11-first thrust ball bearing, a 12-longitudinal support rod, a 13-connecting rod, a 14-air exhaust pipe, a 15-support plate, a 16-second thrust ball bearing, a 18-reciprocating screw, a 19-nut, a 20-dust scraping rod, a 21-dust scraping ring, a 22-friction reducing ring, a 23-dust-proof friction cover, 24-wing plates and a 25-bottom end fixing plate.
Detailed Description
The technical solution of the present invention will be described in detail below by way of examples with reference to the accompanying drawings. It should be noted that the description of these examples is for aiding in understanding the present invention, but is not intended to limit the present invention.
The term "and/or" is herein merely an association relationship describing an associated object, meaning that there may be three relationships, e.g., a and/or B, may represent: the terms "/and" herein describe another associative object relationship, indicating that there may be two relationships, e.g., a/and B, may indicate that: the character "/" herein generally indicates that the associated object is an "or" relationship.
According to the fig. 1-6, an industrial waste gas integrated dust removing device comprises a cyclone dust removing part and a bag type dust removing part, wherein the bag type dust removing part is arranged on the cyclone dust removing part.
The cyclone dust removal part comprises a cyclone straight cylinder 1, a support column 2, a cyclone cone cylinder 3 and a dust removal piece, wherein the cyclone straight cylinder 1 is arranged on the support column 2, the cyclone cone cylinder 3 is arranged on the cyclone straight cylinder 1, and the dust removal piece is arranged on the cyclone cone cylinder 3.
The cyclone straight cylinder 1 is cylindrical, one end face of the cyclone straight cylinder 1 is closed, and the other end face of the cyclone straight cylinder is open. The center of one end face of the cyclone straight cylinder 1 is provided with a rotary through hole. The side wall of one end of the cyclone straight cylinder 1 is horizontally and fixedly communicated with an exhaust gas inlet pipe 4, the exhaust gas inlet pipe 4 is tangential to the side wall of the cyclone straight cylinder 1, so that exhaust gas enters the cyclone straight cylinder 1 from the exhaust gas inlet pipe 4 to form a high-speed cyclone, and dust particles in the exhaust gas are separated from the exhaust gas through centrifugal action.
The support column 2 is columnar, and the length of the support column 2 is longer than that of the cyclone straight cylinder 1. The support columns 2 are arranged in four, the support columns 2 are uniformly and fixedly arranged on the cyclone straight cylinder 1, and the axis of the support column 2 is parallel to the axis of the cyclone straight cylinder 1.
The bottom end face of the support column 2 is horizontally and fixedly provided with a bottom end fixing plate 25, and four anchoring through holes are uniformly formed in the bottom end fixing plate 25. The support column 2 can be fixedly arranged on the ground through the anchoring through hole so as to prevent displacement or vibration in the dust removal process of the industrial waste gas integrated dust removal device.
The cyclone cone 3 is in a cone shape, the outer diameter of the large end of the cyclone cone 3 is the same as the outer diameter of the cyclone straight cylinder 1, and the length of the cyclone cone 3 is smaller than that of the support column 2. The large end of the cyclone cone cylinder 3 is fixedly and through-connected with the other end of the cyclone straight cylinder 1.
The dust discharging part comprises a dust discharging pipe 5, a butterfly valve 6 and a dust collecting box 7, wherein the dust discharging pipe 5 is arranged on the cyclone cone 3, and the butterfly valve 6 and the dust collecting box 7 are both arranged on the dust discharging pipe 5.
The dust exhaust pipe 5 is Y-shaped, the outer diameter of the dust exhaust pipe 5 is the same as the outer diameter of the small end of the cyclone cone 3, and one end of the dust exhaust pipe 5 is fixedly and through-connected to the small end opening of the cyclone cone 3. The two butterfly valves 6 are arranged, and the butterfly valves 6 are respectively and correspondingly and fixedly arranged on the two air pipes at the other end of the dust exhaust pipe 5 one by one.
The dust collecting boxes 7 are box-shaped, two dust collecting boxes 7 are arranged, and the dust collecting boxes 7 are fixedly arranged on two air pipe ends at the other end of the dust exhaust pipe 5 one by one.
When the industrial waste gas integrated dust removing device removes dust, the butterfly valve 6 on one side is opened, the butterfly valve 6 on the other side is closed, and dust separated from waste gas enters the dust collecting box 7 on one side through the dust discharging pipe 5. When the dust collection box 7 on one side is full, the butterfly valve 6 on one side is closed, the butterfly valve 6 on the other side is opened, and at the moment, dust separated from the waste gas enters the dust collection box 7 on the other side through the dust discharge pipe 5, and dust discharge treatment is carried out on the dust collection box 7 on one side. The design can continuously remove dust from waste gas, and can seal separated dust, so that the dust is prevented from polluting air again.
The bag type dust removing part comprises a bag cage, a dust scraping piece and a dustproof friction piece, wherein the bag cage is arranged on the cyclone straight cylinder 1, and the dust scraping piece and the dustproof friction piece are both arranged on the bag cage.
The cloth bag cage comprises a hanging support plate 8, a supporting cage and a cloth bag 10, wherein the hanging support plate 8 is arranged on the cyclone straight cylinder 1, the supporting cage is arranged on the hanging support plate 8, and the cloth bag 10 is arranged on the supporting cage.
The hanging support plate 8 is in a circular plate shape, an exhaust through hole is formed in the circle center of the hanging support plate 8, the diameter of the outer ring of the hanging support plate 8 is larger than that of the rotary through hole, and the diameter of the exhaust through hole is smaller than that of the rotary through hole. The lower surface of the suspension pallet 8 is provided with a first thrust ball bearing 11, and the suspension pallet 8 coincides with the first thrust ball bearing 11 in axis. The diameter of the outer ring of the first thrust ball bearing 11 is larger than that of the outer ring of the suspension supporting plate 8, and the diameter of the inner ring of the first thrust ball bearing 11 is larger than that of the exhaust through hole. The suspension support plate 8 is arranged on one end face of the cyclone straight cylinder 1 through the first thrust ball bearing 11, and the suspension support plate 8 is overlapped with the axis of the rotary through hole. Specifically, the first thrust ball bearing 11 is a sealed thrust ball bearing.
The support cage is cylindrical cage-shaped, the support cage comprises a longitudinal support rod 12 and a connecting rod 13, the longitudinal support rod 12 is arranged on the suspension supporting plate 8, and the connecting rod 13 is arranged on the longitudinal support rod 12.
The longitudinal support rods 12 are rod-shaped, and the length of the longitudinal support rods 12 is longer than that of the cyclone straight cylinder 1. The number of the longitudinal support rods 12 is eight, one end of each longitudinal support rod 12 is uniformly and fixedly arranged on the suspension support plate 8 around the circle center of the suspension support plate 8, and the distance between the longitudinal support rods 12 and the circle center of the suspension support plate 8 is smaller than the radius of the inner ring of the first thrust ball bearing 11.
The four connecting rods 13 are arranged, and the connecting rods 13 are respectively and correspondingly arranged at the other ends of the longitudinal support rods 12, so that the other ends of the longitudinal support rods 12 are connected in pairs. The cloth bag 10 is an exhaust gas dust removing cloth bag, and the cloth bag 10 is sleeved on the supporting cage. Specifically, the mouth of the cloth bag 10 is fixedly arranged on the supporting cage through a binding belt, so that the waste gas can be discharged through the exhaust through holes after being filtered and dedusted by the cloth bag 10, and the waste gas filtering efficiency is improved.
The dust scraping members include an air outlet duct 14 and a reciprocating dust scraping member, the air outlet duct 14 being provided on the suspension blade 8, the reciprocating dust scraping member being provided on the air outlet duct 14.
The air outlet duct 14 is tubular, and the outer diameter of the air outlet duct 14 is smaller than the exhaust through hole diameter. The air outlet pipe 14 one end suit backup pad 15, specifically, backup pad 15 is circular platy, backup pad 15 centre of a circle is provided with the support through hole, support through hole inside diameter with the air outlet pipe 14 external diameter is the same, backup pad 15 passes through the fixed suit of support through hole is in on the air outlet pipe 14.
The one side of backup pad 15 is provided with second thrust ball bearing 16, second thrust ball bearing 16 inner circle diameter is greater than air discharge pipe 14 external diameter, second thrust ball bearing 16 inner circle diameter is less than backup pad 15 outer lane diameter. Specifically, the second thrust ball bearing 16 is a sealed thrust ball bearing. One end of the air outlet duct 14 is inserted into the air outlet penetration hole and supported on the suspension blade 8 by the second thrust ball bearing 16.
The reciprocating dust scraping piece comprises a hanging rod, a reciprocating screw 18, a nut 19, a dust scraping rod 20, a dust scraping ring 21 and a friction reducing ring 22, wherein the hanging rod is arranged on the air discharging pipe 14, the reciprocating screw 18 is arranged on the hanging rod, the nut 19 is arranged on the reciprocating screw 18, the dust scraping rod 20 is arranged on the nut 19, the dust scraping ring 21 is arranged on the dust scraping rod 20, and the friction reducing ring 22 is arranged on the dust scraping ring 21.
The hanging rod is rod-shaped, the length of the hanging rod is the same as the inner diameter of the air outlet pipe 14, and the hanging rod is horizontally and fixedly arranged in one end of the air outlet pipe 14. The reciprocating screw 18 is vertically and fixedly arranged at the middle point of the suspension rod, the nut 19 is sleeved on the reciprocating screw 18, and the nut 19 is matched with the reciprocating screw 18.
The length of the dust scraping rods 20 is greater than the distance from the longitudinal support rods 12 to the circle center of the hanging support plate 8, two dust scraping rods 20 are arranged, and one ends of the dust scraping rods 20 are horizontally and fixedly arranged on the nuts 19.
The dust scraping ring 21 is in a circular ring shape, and the inner diameter of the dust scraping ring 21 is larger than the distance from the longitudinal support rod 12 to the circle center of the hanging support plate 8. The dust scraping ring 21 is sleeved on the supporting cage, the dust scraping ring 21 is fixedly arranged on the dust scraping rod 20, and meanwhile the dust scraping ring 21 is positioned in the cloth bag 10. When the nut 19 rotates up and down around the reciprocating screw 18, the nut 19 drives the dust scraping ring 21 to move up and down along the supporting cage through the dust scraping rod 20, so as to scrape the dust attached to the cloth bag 10.
The friction reducing rings 22 are in a circular ring shape, at least eight friction reducing rings 22 are arranged, the friction reducing rings 22 are uniformly sleeved on the dust scraping rings 21, so that the contact between the dust scraping rings 21 and the cloth bag 10 is converted from sliding friction to rolling friction, the friction of the dust scraping rings 21 on the cloth bag 10 when the dust on the cloth bag 10 is scraped is reduced, the service life of the cloth bag 10 is prolonged, and the dust removing quality of the cloth bag 10 is maintained.
The dustproof friction piece comprises a dustproof friction cover 23 and a wing plate 24, wherein the dustproof friction cover 23 is arranged on the hanging support plate 8, and the wing plate 24 is arranged on the dustproof friction cover 23.
The dustproof friction cover 23 is generally cylindrical, the length of the dustproof friction cover 23 is not smaller than the length of the supporting cage, the inner diameter of the dustproof friction cover 23 is larger than the outer diameter of the dust scraping ring 21, the side wall of the dustproof friction cover 23 is provided with at least fifty dust removing through holes which are uniformly distributed, and the diameter of each dust removing through hole is not larger than 10mm. One end of the dustproof friction cover 23 is fixedly arranged on the hanging support plate 8, the axis of the dustproof friction cover 23 coincides with the axis of the hanging support plate 8, and meanwhile the dustproof friction cover 23 is sleeved outside the supporting cage. The wing plates 24 are rectangular plates, the four wing plates 24 are arranged, and the side edges of the wing plates 24 are uniformly distributed and fixedly arranged on the side wall of the dustproof friction cover 23 along the axial direction of the dustproof friction cover 23.
When the waste gas in the cyclone straight cylinder 1 moves in a high-speed spiral mode, the wing plates 24 are pushed to enable the dustproof friction cover 23 to rotate in the circumferential direction, the dustproof friction cover 23 enables the supporting cage to rotate in the circumferential direction through the hanging supporting plate 8, the supporting cage enables the nut 19 to rotate in the circumferential direction on the reciprocating screw 18 through the dust scraping rod 20, and further the nut 19 moves up and down along the reciprocating screw 18 in a reciprocating mode, and the purpose that dust on the cloth bag 10 is removed by the dust scraping ring 21 is achieved. And because the cloth bag 10 is always in a rotating state in the secondary dust removal process and is relatively static relative to the spirally-moving waste gas, the friction of dust in the process of the waste to the outer surface of the cloth bag 10 can be reduced, the service life of the cloth bag 10 is prolonged, and the dust removal efficiency is maintained.
Although embodiments of the present invention have been disclosed above, it is not limited to the details and embodiments shown and described, it is well suited to various fields of use for which the invention would be readily apparent to those skilled in the art, and accordingly, the invention is not limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined in the claims and their equivalents.
Claims (5)
1. An industrial waste gas integrated dust collector, characterized by comprising:
the cyclone dust removing part comprises a cyclone straight cylinder (1), a support column (2), a cyclone cone cylinder (3) and a dust discharging piece, wherein the cyclone straight cylinder (1) is arranged on the support column (2), the cyclone cone cylinder (3) is arranged on the cyclone straight cylinder (1), and the dust discharging piece is arranged on the cyclone cone cylinder (3); the dust discharging piece comprises a dust discharging pipe (5), a butterfly valve (6) and a dust collecting box (7), wherein the dust discharging pipe (5) is arranged on the cyclone cone (3), and the butterfly valve (6) and the dust collecting box (7) are both arranged on the dust discharging pipe (5); the cyclone straight cylinder (1) is cylindrical, an exhaust gas inlet pipe (4) is fixedly and penetratingly arranged on one end side wall of the cyclone straight cylinder (1), and the exhaust gas inlet pipe (4) is tangential to the cyclone straight cylinder (1) so that exhaust gas enters the cyclone straight cylinder (1) from the exhaust gas inlet pipe (4) to form a high-speed cyclone;
the bag type dust removing part is arranged on the cyclone dust removing part and comprises a bag cage, a dust scraping piece and a dustproof friction piece, wherein the bag cage is arranged on the cyclone straight cylinder (1), and the dust scraping piece and the dustproof friction piece are both arranged on the bag cage; the dustproof friction piece rotates along the circumferential direction under the action of high-speed cyclone;
one end face of the cyclone straight cylinder (1) is closed, the other end face of the cyclone straight cylinder is open, and a rotary through hole is formed in the center of one end face of the cyclone straight cylinder (1); the cloth bag cage comprises a hanging support plate (8), a supporting cage and a cloth bag (10), wherein the hanging support plate (8) is arranged on the cyclone straight cylinder (1), the supporting cage is arranged on the hanging support plate (8), and the cloth bag (10) is arranged on the supporting cage; the hanging support plate (8) is plate-shaped, an exhaust through hole is formed in the center of the hanging support plate (8), the diameter of the outer ring of the hanging support plate (8) is larger than that of the rotary through hole, and the diameter of the exhaust through hole is smaller than that of the rotary through hole; the lower surface of the suspension supporting plate (8) is provided with a first thrust ball bearing (11), and the suspension supporting plate (8) is overlapped with the first thrust ball bearing (11) in an axial line; the diameter of the outer ring of the first thrust ball bearing (11) is larger than that of the outer ring of the suspension supporting plate (8), and the diameter of the inner ring of the first thrust ball bearing (11) is larger than that of the exhaust through hole; the suspension supporting plate (8) is arranged on one end face of the cyclone straight cylinder (1) through the first thrust ball bearing (11), and the suspension supporting plate (8) is overlapped with the axis of the rotary through hole;
the support cage is cylindrical and comprises a longitudinal support rod (12) and a connecting rod (13), the longitudinal support rod (12) is arranged on the suspension supporting plate (8), and the connecting rod (13) is arranged on the longitudinal support rod (12); the longitudinal support rod (12) is in a rod shape, and the length of the longitudinal support rod (12) is longer than that of the cyclone straight cylinder (1); the plurality of longitudinal support rods (12) are arranged, one end of each longitudinal support rod (12) is uniformly and fixedly arranged on the corresponding hanging support plate (8) around the circle center of the corresponding hanging support plate (8), and the distance between the longitudinal support rods (12) and the circle center of the corresponding hanging support plate (8) is smaller than the radius of the inner ring of the first thrust ball bearing (11); the connecting rods (13) are provided with a plurality of connecting rods, and the connecting rods (13) are respectively and correspondingly arranged at the other ends of the longitudinal supporting rods (12); the cloth bag (10) is an exhaust gas dust removing cloth bag, and the cloth bag (10) is sleeved on the supporting cage;
the dust scraping piece comprises an air outlet pipe (14) and a reciprocating dust scraping piece, wherein the air outlet pipe (14) is arranged on the hanging support plate (8), and the reciprocating dust scraping piece is arranged on the air outlet pipe (14); the air outlet pipe (14) is tubular, and the outer diameter of the air outlet pipe (14) is smaller than the diameter of the exhaust through hole; one end of the air outlet pipe (14) is sleeved with a supporting plate (15); the supporting plate (15) is plate-shaped, a supporting through hole is formed in the center of the supporting plate (15), the inner diameter of the supporting through hole is identical to the outer diameter of the air outlet pipe (14), and the supporting plate (15) is fixedly sleeved on the air outlet pipe (14) through the supporting through hole; one surface of the supporting plate (15) is provided with a second thrust ball bearing (16), the diameter of the inner ring of the second thrust ball bearing (16) is larger than the outer diameter of the air outlet pipe (14), and the diameter of the inner ring of the second thrust ball bearing (16) is smaller than the diameter of the outer ring of the supporting plate (15); one end of the air outlet pipe (14) is inserted into the air outlet through hole and is supported on the suspension pallet (8) through the second thrust ball bearing (16);
the reciprocating dust scraping piece comprises a hanging rod, a reciprocating screw (18), a nut (19), a dust scraping rod (20), a dust scraping ring (21) and a friction reducing ring (22), wherein the hanging rod is arranged on the air discharging pipe (14), the reciprocating screw (18) is arranged on the hanging rod, the nut (19) is arranged on the reciprocating screw (18), the dust scraping rod (20) is arranged on the nut (19), the dust scraping ring (21) is arranged on the dust scraping rod (20), and the friction reducing ring (22) is arranged on the dust scraping ring (21); the hanging rod is in a rod shape and is horizontally and fixedly arranged in one end pipe of the air outlet pipe (14); the reciprocating screw (18) is vertically and fixedly arranged at the middle point of the suspension rod, the nut (19) is sleeved on the reciprocating screw (18), and the nut (19) is matched with the reciprocating screw (18); the length of the dust scraping rods (20) is longer than the distance from the longitudinal support rods (12) to the center of the circle of the hanging support plate (8), the number of the dust scraping rods (20) is multiple, and one ends of the dust scraping rods (20) are horizontally and fixedly arranged on the nuts (19);
the dustproof friction piece comprises a dustproof friction cover (23) and a wing plate (24), the dustproof friction cover (23) is arranged on the hanging support plate (8), and the wing plate (24) is arranged on the dustproof friction cover (23); the dustproof friction cover (23) is generally cylindrical, the length of the dustproof friction cover (23) is not smaller than that of the supporting cage, the inner diameter of the dustproof friction cover (23) is larger than the outer diameter of the dust scraping ring (21), and a plurality of uniformly distributed dust removing through holes are formed in the side wall of the dustproof friction cover (23); one end of the dustproof friction cover (23) is fixedly arranged on the hanging support plate (8), the axis of the dustproof friction cover (23) is coincident with the axis of the hanging support plate (8), and meanwhile the dustproof friction cover (23) is sleeved outside the supporting cage; the wing plates (24) are rectangular plates, the wing plates (24) are provided with a plurality of pieces, and the side edges of the wing plates (24) are uniformly distributed and fixedly arranged on the side wall of the dustproof friction cover (23) along the axial direction of the dustproof friction cover (23).
2. The industrial waste gas integrated dust removal device according to claim 1, wherein the support column (2) is columnar, and the length of the support column (2) is longer than that of the cyclone straight cylinder (1); the support columns (2) are arranged in a plurality, the support columns (2) are uniformly and fixedly arranged on the cyclone straight cylinder (1), and the axes of the support columns (2) are parallel to the axis of the cyclone straight cylinder (1); the bottom end surfaces of the support columns (2) are horizontally and fixedly provided with bottom end fixing plates (25), and a plurality of anchoring through holes are uniformly formed in the bottom end fixing plates (25); the cyclone cone cylinder (3) is in a cone shape, the diameter of the large end of the cyclone cone cylinder (3) is the same as the outer diameter of the cyclone straight cylinder (1), the length of the cyclone cone cylinder (3) is smaller than that of the support column (2), and the large end of the cyclone cone cylinder (3) is fixedly and communicated with the other end of the cyclone straight cylinder (1).
3. The industrial waste gas integrated dust removal device according to claim 1 or 2, wherein the dust removal pipe (5) is Y-shaped, the outer diameter of the dust removal pipe (5) is the same as the outer diameter of the small end of the cyclone cone (3), and one end of the dust removal pipe (5) is fixedly and penetratingly connected to the small end opening of the cyclone cone (3); the two butterfly valves (6) are arranged, and the butterfly valves (6) are respectively and correspondingly and fixedly arranged on the two air pipes at the other end of the dust exhaust pipe (5) one by one;
the dust collecting boxes (7) are box-shaped, two dust collecting boxes (7) are arranged, and the dust collecting boxes (7) are fixedly arranged on two air pipe ends at the other end of the dust exhaust pipe (5) one by one.
4. The industrial waste gas integrated dust removal device according to claim 2, wherein the dust scraping ring (21) is in a circular ring shape, and the inner diameter of the dust scraping ring (21) is larger than the distance from the longitudinal support rod (12) to the center of the suspension supporting plate (8); the dust scraping ring (21) is sleeved on the supporting cage, the dust scraping ring (21) is fixedly arranged on the dust scraping rod (20), and meanwhile the dust scraping ring (21) is positioned in the cloth bag (10).
5. The industrial waste gas integrated dust removal device according to claim 4, wherein the friction reducing rings (22) are in a circular ring shape, at least eight friction reducing rings (22) are arranged, and the friction reducing rings (22) are uniformly sleeved on the dust scraping rings (21), so that the contact between the dust scraping rings (21) and the cloth bag (10) is converted from sliding friction to rolling friction.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010053488.XA CN111111366B (en) | 2020-01-17 | 2020-01-17 | Industrial waste gas integrated dust collector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010053488.XA CN111111366B (en) | 2020-01-17 | 2020-01-17 | Industrial waste gas integrated dust collector |
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| CN111111366A CN111111366A (en) | 2020-05-08 |
| CN111111366B true CN111111366B (en) | 2023-12-22 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113908637B (en) * | 2021-11-30 | 2023-06-06 | 河北京陆开环保科技有限公司 | Bag type dust collector for flue gas treatment |
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