CN104480309A - Blockage cleaning device and method for smoke dust airflow conveying main line - Google Patents
Blockage cleaning device and method for smoke dust airflow conveying main line Download PDFInfo
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- CN104480309A CN104480309A CN201410843644.7A CN201410843644A CN104480309A CN 104480309 A CN104480309 A CN 104480309A CN 201410843644 A CN201410843644 A CN 201410843644A CN 104480309 A CN104480309 A CN 104480309A
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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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Abstract
The invention provides a blockage cleaning device and method for a smoke dust airflow conveying main line. In the blockage cleaning device, a high-position sand hopper and an air-sand mixer are arranged at an air source of an airflow input main line; a compressed air source is connected with an air inlet of the air-sand mixer through an air inlet valve; an air outlet of the air-sand mixer is connected with an input end of the airflow output main line; the tail end of the airflow output main line can be connected with a cyclone separator in a switching manner, and an airflow output end of the cyclone separator is connected with an input end of a bag collector. The blockage cleaning device and method have the following advantages: when the airflow conveying pipeline is blocked, the high-position sand hopper and the air-sand mixer are started regularly or irregularly to enable the output airflow of compressed air source to enter the airflow output main line through the air-sand mixer, and adhesive smoke dust is cleaned by moving sand, then the airflow enters the cyclone separator and enters the bag collector for further dedusting after being subjected to air-sand separation, after the blockage is cleared away, a sand supplying valve of the high-position sand hopper is closed, the cyclone separator is cut off, so that the airflow of the output end of the compressed air source can directly convey the smoke dust through the airflow outlet conveying main line.
Description
Technical field
The present invention relates to the dust-precipitator flue dust airflow pipeline in nonferrous smelting industry, particularly a kind ofly use sandblasting to carry out method and the device thereof of block clearing to dust-precipitator flue dust gas delivery arterial highway.
Background technology
In nonferrous smelting industry, flue dust is generally carried through flow delivery systems.Common flow delivery systems inputs arterial highway by the air-flow that connects source of the gas and branches into multichannel flue dust conveying by-path, after multichannel flue dust conveying by-path collects flue dust, more all carries out the separation of dirt gas via gas delivery arterial highway, bagroom.Because the flue dust entering flue dust airflow pipeline contains more zinc oxide, plumbous oxide, weisspiessglanz and arsenic oxide arsenoxide etc., these superfine metal oxide flue dust often stick on the arterial highway of flow delivery systems and the inner-walls of duct of by-path because of the moisture absorption, viscous oil and electrostatic interaction, along with time integral, cause undergauge in pipe, until blocking,, all there is this phenomenon in no matter Condensed transportation or diluted phase transport.Because the length of multichannel flue dust conveying by-path is shorter, and be connected with major trunk roads by flange or other modes, thus the present blockage problem to flue dust conveying by-path has ripe processing scheme, but because gas delivery arterial highway pipeline is long, thus once blocking appears in arterial highway pipeline, producer can only pipe cutting block clearing, even if pipe cutting block clearing, also engineering is huge, keeps in repair very difficult, and thus many producers have to abandon the output arterial highway that blocks sometimes.
Summary of the invention
Technical problem to be solved by this invention is, for existing dust-precipitator flue dust gas delivery arterial highway easily by the problem of the bonding blocking of flue dust, provides a kind of simple, practical, efficient flue dust gas delivery arterial highway blockage-clearing device and method.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of flue dust gas delivery arterial highway blockage-clearing device, comprise and at least input arterial highway by the air-flow connecting source of the gas, multichannel flue dust conveying by-path, air-flow exports arterial highway and is positioned at the flow delivery systems that air-flow exports the bagroom composition of arterial highway end, the source of the gas place of this air-flow input arterial highway arranges the gentle sand mixing tank of high-order sand hopper bringing sand valve, the top of this gas sand mixing tank arranges sand entrance, this sand entrance connects the output terminal of this high-order sand hopper, the two ends of this gas sand mixing tank arrange inlet mouth and air outlet respectively, one compressed air source is connected to this inlet mouth through intake valve, and this air outlet connects the input terminus that this air-flow exports arterial highway, this air-flow exports the changeable connection cyclonic separator of end of arterial highway, and this cyclonic separator bottom arranges feed bin, and the air-flow output terminal of this cyclonic separator connects the input terminus of this bagroom, when airflow pipeline blocks, regularly or aperiodically start the gentle sand mixing tank of high-order sand hopper, make compressed air source output gas flow enter air-flow through gas sand mixing tank and export arterial highway, the sand of high-speed motion is utilized to remove to stick to air-flow to export flue dust on arterial highway inwall, gas sand flow enters cyclonic separator and carries out gas sand separation afterwards, sand is discharged to feed bin for recycling from the bottom of cyclonic separator, air-flow enters the further dedusting of bagroom, after block clearing, close high-order sand hopper give sand valve, switch cyclonic separator, make the air-flow of pressurized air source output terminal directly through air-flow export arterial highway carry out flue dust conveying.
Being improved to further of such scheme, this high-order sand hopper is cone-shaped.This gas sand mixing tank is Venturi meter.
Being improved to further of such scheme, arranges flue dust storehouse between the air-flow output terminal of this cyclonic separator and bagroom.
For solving the problems of the technologies described above, present invention also offers a kind of Method of blockage removal utilizing above-mentioned flue dust airflow pipeline blockage-clearing device, it comprises the following steps: 1), in high-order sand hopper add sand, or little steel ball or dustless grain slag, open intake valve and give sand valve, the air-flow entering at a high speed flow delivery systems after gas, sand mix in gas sand mixing tank exports arterial highway, on the way block clearing, until air-flow exports the end of arterial highway; 2), block clearing air-flow arrive air-flow export arterial highway end after enter cyclonic separator, carry out after gas sand separation through cyclonic separator, dust flows to the bagroom into flow delivery systems, after bag collection, realize dirt gas be separated; 3), state is increased according to vapour lock in flow delivery systems, judge the sticky stifled situation of the pipeline of flow delivery systems, the high-order sand hopper of regular or irregular startup, gas sand mixing tank and cyclonic separator, the sand of utilization motion removes the flue dust sticked on the inwall of air-flow output arterial highway; 4), after block clearing, close to sand valve and intake valve, cut off the connection branch road of cyclonic separator, recover the normal operation of flow delivery systems.
The cyclonic separator mentioned in such scheme is commercially available.
The present invention utilizes gas sand mixing tank to export in arterial highway the sand spraying into high-speed motion to air-flow, utilizes the washing away of its kinetic energy, cuts, grinding block clearing, excellent.The present invention is utilized to export arterial highway block clearing to air-flow, high efficient and reliable, simple, solve the historical difficulty that metallurgy industry gas delivery easily glues blocked pipeline.
Accompanying drawing explanation
Fig. 1 is the principle of the invention and structural representation.
In figure: 1 compressed air source; 2 intake valves; 3 high-order sand hoppers; 4 give sand valve; 5 gas sand mixing tanks; 6 air-flows export arterial highway; 7 cyclonic separators; 8 flue dust storehouses; 9 bagrooms.
Embodiment
As shown in Figure 1, the present invention one specific embodiment comprise at least input arterial highway by the air-flow connecting source of the gas, multichannel flue dust carries by-path, air-flow to export arterial highway 6 and is positioned at the flow delivery systems that bagroom 9 that air-flow exports arterial highway end forms.The source of the gas place of this air-flow input arterial highway arranges the gentle sand mixing tank 5 of high-order sand hopper 3 bringing sand valve 4, the top of this gas sand mixing tank 5 arranges sand entrance 51, this sand entrance 51 connects the output terminal of this high-order sand hopper 3, and the two ends of this gas sand mixing tank 5 arrange inlet mouth 52 and air outlet 53 respectively.One compressed air source 1 is connected to this inlet mouth 52 through intake valve 2, and this air outlet 53 connects the input terminus that this air-flow exports arterial highway 6.This air-flow exports the changeable connection cyclonic separator 7 of end of arterial highway 6, and the bottom of this cyclonic separator 7 arranges feed bin, and the air-flow output terminal of this cyclonic separator 7 connects the input terminus of this bagroom 9.When the vapour lock of airflow pipeline increases, regularly or aperiodically start the gentle sand mixing tank 5 of high-order sand hopper 3, make compressed air source output gas flow enter air-flow through gas sand mixing tank and export arterial highway, the sand of utilization motion removes the flue dust sticked on the inwall of air-flow output arterial highway, air-flow enters cyclonic separator and carries out gas sand separation afterwards, sand is discharged to feed bin for recycling from the bottom of cyclonic separator, air-flow enters the further dedusting of bagroom; After block clearing, close high-order sand hopper give sand valve, cut off cyclonic separator, make the air-flow of pressurized air source output terminal directly through air-flow export arterial highway carry out flue dust conveying.
This high-order sand hopper 3 is cone-shaped body, and is arranged at the top of this gas sand mixing tank 5, and through being connected to sand valve 4 with the sand entrance 51 of gas sand mixing tank 5.This gas sand mixing tank 5 is preferably Venturi meter.
Between the air-flow output terminal of this cyclonic separator 7 and bagroom 9, flue dust storehouse 8 is set, after being separated further by the flue dust in the flue dust exported from cyclonic separator 7 air-flow, entering bagroom 9 again.
The cyclonic separator 7 used in the present embodiment is for commercially available.
Claims (5)
1. a flue dust gas delivery arterial highway blockage-clearing device, comprise at least input arterial highway by the air-flow connecting source of the gas, multichannel flue dust carries by-path, air-flow to export arterial highway and is positioned at the flow delivery systems that bagroom that air-flow exports arterial highway end forms, it is characterized in that, the source of the gas place of this air-flow input arterial highway arranges the gentle sand mixing tank of high-order sand hopper bringing sand valve, the top of this gas sand mixing tank arranges sand entrance, this sand entrance connects the output terminal of this high-order sand hopper, and the two ends of this gas sand mixing tank arrange inlet mouth and air outlet respectively; One compressed air source is connected to this inlet mouth through intake valve, and this air outlet connects the input terminus that this air-flow exports arterial highway; This air-flow exports the changeable connection cyclonic separator of end of arterial highway, and this cyclonic separator bottom arranges feed bin, and the air-flow output terminal of this cyclonic separator connects the input terminus of this bagroom; When airflow pipeline blocks, regularly or aperiodically start the gentle sand mixing tank of high-order sand hopper, make compressed air source output gas flow enter air-flow through gas sand mixing tank and export arterial highway, the sand of utilization motion removes the flue dust sticked on the inwall of air-flow output arterial highway, air-flow enters cyclonic separator and carries out gas sand separation afterwards, sand is discharged to feed bin for recycling from the bottom of cyclonic separator, air-flow enters the further dedusting of bagroom; After block clearing, close high-order sand hopper give sand valve, cut off cyclonic separator, make the air-flow of pressurized air source output terminal directly through air-flow export arterial highway carry out flue dust conveying.
2. a kind of flue dust gas delivery arterial highway according to claim 1 blockage-clearing device, it is characterized in that, this high-order sand hopper is cone-shaped.
3. a kind of flue dust gas delivery arterial highway according to claim 1 blockage-clearing device, it is characterized in that, this gas sand mixing tank is Venturi meter.
4. a kind of flue dust gas delivery arterial highway according to claim 1 blockage-clearing device, is characterized in that, arrange flue dust storehouse between the air-flow output terminal of this cyclonic separator and bagroom.
5. utilize a Method of blockage removal for flue dust gas delivery arterial highway blockage-clearing device described in claim 1, it is characterized in that comprising the following steps:
1), in high-order sand hopper, sand is added, or little steel ball or dustless grain slag, open intake valve and to sand valve, the air-flow entering at a high speed flow delivery systems after gas, sand mix in gas sand mixing tank exports arterial highway, block clearing on the way, until air-flow exports the end of arterial highway;
2), block clearing air-flow arrive air-flow export arterial highway end after enter cyclonic separator, carry out after gas sand separation through cyclonic separator, dust flows to the bagroom into flow delivery systems, after bag collection, realize dirt gas be separated;
3), state is increased according to vapour lock in flow delivery systems, judge the sticky stifled situation of the pipeline of flow delivery systems, the high-order sand hopper of regular or irregular startup, gas sand mixing tank and cyclonic separator, the sand of utilization motion removes the flue dust sticked on the inwall of air-flow output arterial highway;
4), after block clearing, close to sand valve and intake valve, cut off the connection branch road of cyclonic separator, recover the normal operation of flow delivery systems.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410843644.7A CN104480309A (en) | 2014-12-31 | 2014-12-31 | Blockage cleaning device and method for smoke dust airflow conveying main line |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410843644.7A CN104480309A (en) | 2014-12-31 | 2014-12-31 | Blockage cleaning device and method for smoke dust airflow conveying main line |
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| CN104480309A true CN104480309A (en) | 2015-04-01 |
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| CN201410843644.7A Pending CN104480309A (en) | 2014-12-31 | 2014-12-31 | Blockage cleaning device and method for smoke dust airflow conveying main line |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105858227A (en) * | 2016-05-10 | 2016-08-17 | 广州城建职业学院 | Wind power sand suction flow control structure |
| CN106006043A (en) * | 2016-05-10 | 2016-10-12 | 广州城建职业学院 | Wind power sand sucking flow control method |
| WO2023241325A1 (en) * | 2022-06-15 | 2023-12-21 | 石家庄铁道大学 | Artificial tornado sharp-dagger composite trenchless multistage pipe cleaning device and pipe cleaning method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1012442A (en) * | 1962-05-22 | 1965-12-08 | Klean Kote Inc | Improvements in or relating to pipeline cleaning methods and apparatus |
| CN2433529Y (en) * | 2000-08-17 | 2001-06-06 | 王筱均 | Pipe descaling and wall protection device using high-pressure gas |
| CN1654135A (en) * | 2005-02-28 | 2005-08-17 | 王筱均 | Method of rust cleaning, scale removing, film coating and corrosion preventing for large and middle sized pipeline inside wall |
-
2014
- 2014-12-31 CN CN201410843644.7A patent/CN104480309A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1012442A (en) * | 1962-05-22 | 1965-12-08 | Klean Kote Inc | Improvements in or relating to pipeline cleaning methods and apparatus |
| CN2433529Y (en) * | 2000-08-17 | 2001-06-06 | 王筱均 | Pipe descaling and wall protection device using high-pressure gas |
| CN1654135A (en) * | 2005-02-28 | 2005-08-17 | 王筱均 | Method of rust cleaning, scale removing, film coating and corrosion preventing for large and middle sized pipeline inside wall |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105858227A (en) * | 2016-05-10 | 2016-08-17 | 广州城建职业学院 | Wind power sand suction flow control structure |
| CN106006043A (en) * | 2016-05-10 | 2016-10-12 | 广州城建职业学院 | Wind power sand sucking flow control method |
| WO2023241325A1 (en) * | 2022-06-15 | 2023-12-21 | 石家庄铁道大学 | Artificial tornado sharp-dagger composite trenchless multistage pipe cleaning device and pipe cleaning method thereof |
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Application publication date: 20150401 |