CN2032302U - Roof type wide-space electric duster - Google Patents
Roof type wide-space electric duster Download PDFInfo
- Publication number
- CN2032302U CN2032302U CN 88207241 CN88207241U CN2032302U CN 2032302 U CN2032302 U CN 2032302U CN 88207241 CN88207241 CN 88207241 CN 88207241 U CN88207241 U CN 88207241U CN 2032302 U CN2032302 U CN 2032302U
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- dust
- electric field
- expansion chamber
- dust collection
- horizontal
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Abstract
The utility model relates to an electric dust collector which is suitable for mechanical vertical kiln and is changed from a settling chamber of the mechanical vertical kiln. A dust collecting pole which is composed of non-metal low-resisting corrugated plates and a corona pole which is provided with a frame type structure are arranged in the settling chamber, and the top of the settling chamber is provided with a hot air cleaning device. The utility model can make the smoke dust draining concentration of the mechanical vertical kiln reach the national standard, which can also solve the ubiquitous problems of dewing and corroding when common electric dust collectors are used on the mechanical vertical kilns.
Description
The utility model is a kind of electric cleaner, can be applicable to cement brand-name computer flue gas of shaft kiln is carried out purified treatment, also can be applicable to the industrial flue gas cleaning of other similar applications.
At present, in the cement industry of China, mechanized cement shaft kiln occupies very big ratio, but to the purified treatment of machine flue gas of shaft kiln, does not still have the suitable way of a cover.At home, generally above the machine shaft kiln, an expansion chamber is set, by the dust-contained airflow of machine shaft kiln discharging, through the settlement action of expansion chamber, dust-contained airflow is purified, and enters among the atmosphere at last.Abroad, introduce according to " cement factory Summary for Design " (China Construction Industry Press's nineteen eighty-two version), main way then is that the flue gas that the machine shaft kiln emits is inserted an electric cleaner, in order to prevent flue gas of shaft kiln dewfall in electric cleaner, must carry out the door operation that closes of shaft kiln, and the import department at electric cleaner sets up the auxiliary fuel heating furnace, in order to improve flue-gas temperature.In above-mentioned two kinds of schemes, though that the former has is simple in structure, main problem is that dust-collecting efficiency is not high.And the latter is when opening the observation door of machine shaft kiln, having a large amount of cold wind scurries into, the flue-gas temperature that causes entering electric cleaner sharply reduces, at this moment, even it is also of no avail to light heating furnace,, must on shaft kiln, be provided with the bypass chimney for addressing this problem, when opening the observation door of machine shaft kiln, cold wind does not enter electric cleaner and directly enters among the air by the bypass chimney.The heat consumption of heating furnace account for kiln the unit heat consumption of clinker 3%, when emptying, electric cleaner is ineffective, these factors are restricting the development of machine shaft kiln dust collecting technique.And, on electric cleaner, use metal, have in addition adopt quality material such as stainless steel to make dust collecting pole plate, increased the expense of equipment.
The purpose of this utility model, exactly in order to make a kind of dust collection device that is suitable for shaft kiln, should be to domestic existing shaft kiln dust collection device---expansion chamber makes full use of, also to have certain dust-collecting efficiency, the concentration of emission of flue gas is up to state standards, also to save the energy simultaneously, reduce equipment manufacturing cost, and can effectively solve flue gas of shaft kiln dewfall, etching problem.
The utility model is transformed the roof expansion chamber of machine shaft kiln and is realized.Because the top of domestic machine shaft kiln generally all is provided with an expansion chamber, the utility model utilizes the shell of this expansion chamber as electric cleaner, and high voltage electric field is set in expansion chamber.Have than the bigger characteristics of dust content fluctuation in height ratio resistance and the flue gas according to machine shaft kiln flue dust, adopt wide pitch structure.And, developed corrosion-resistant, as not to be afraid of dewfall nonmetal low-resistance corrugated plating, in order to the dust collector pole of alternative metals material as electric cleaner at machine flue gas of shaft kiln low temperature dewfall and etching problem.And, designed the hot air cleaning device for the creepage problem of the dust stratification that solves high-tension insulator.
Adopt the utility model, have a series of tangible advantages: at first, in the expansion chamber on machine shaft kiln roof, electric field is set, has reduced floor space, saved investment, for the dedust innovation of machine shaft kiln cement plant provides advantage.Adopt the low-resistance corrugated plating to make dust collector pole, can be anticorrosive and be not afraid of dewfall, thus a ubiquitous dewfall difficult problem when having solved the common electrical deduster and being used for the machine shaft kiln and gathering dust, and reduced the cost of pole plate.In addition, the hot air cleaning device is set, has eliminated the creepage breakdown fault of high-tension insulator in the High-Voltage Insulation subdivision, and air inlet need not be provided with heating furnace, and the gas outlet need not be provided with exhaust blower, has reduced hear rate and power consumption, adopt wide pitch structure, reduced the civil engineering load.Whole device installation, maintenance and easy to maintenance.
Most preferred embodiment of the present utility model can provide with reference to the following drawings:
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is a low-resistance corrugated plating front view of the present utility model
Fig. 3 is the A-A profile of Fig. 2
Fig. 4 is a hot air cleaning device schematic diagram of the present utility model.
At first referring to Fig. 1, in the expansion chamber 13 of machine shaft kiln, a horizontal dust collection electric field is set, horizontal dust collection electric field is constituted by frame-type corona discharge electrode 5 with by the dust collector pole 3 that the low-resistance corrugated plating is made.A distribution grid 2 that is shaped on plurality of holes is set before the air intake vent of horizontal dust collection electric field, with so that dust-contained airflow evenly enter among the dust collection electric field.Relative with distribution grid 2 is gas approach 1.And go out the air-flow of horizontal electric field, again by a pair of flute profile pole plate 7, flute profile pole plate 7 has identical current potential with dust collector pole, and its structure is to be rolled into the pole plate that the cross section is " Contraband " shape by several with iron plate to be staggered to two rows, in order to the air-flow that goes out dust collection electric field is carried out last gathering dust.Go out the clean gas flow of flute profile pole plate 7, enter outlet chimney 8.And the dust that horizontal dust collection electric field of process and flute profile pole plate 7 are accepted then falls among the ash bucket 4.A whole set of equipment need not be established the control room in addition by high voltage source 14 power supplies.
The dust collector pole of horizontal dust collection electric field uses low-resistance corrugated plating 15 to be put together.This plate is a Main Ingredients and Appearance with cement, asbestos, after the folder reinforcing bar compression molding, and corrosion-resistant at its external coating emulsification graphite or other, as not to be afraid of dewfall conductive material and making.With the amalgamation of some low-resistance corrugated platings together, promptly can be made into dust collector pole, referring to Fig. 2 and shown in Figure 3.Because the chemical characteristic of cement, asbestos makes dust collector pole have the corrosion of acid and alkali resistance, salt, is not afraid of characteristics such as dewfall.Inside at low-resistance corrugated plating 15 accompanies reinforcing bar, both can strengthen the strength and stiffness of dust collector pole, also has electric action.The plate surface is coated with emulsification graphite or other conductive material again, has more strengthened the conductive capability on plate surface.In addition, dust collector pole is made into corrugated, helps reducing the reentrainment of dust of electric field, improves dust-collecting efficiency, has also strengthened the intensity of plate self simultaneously.
The corona discharge electrode of horizontal dust collection electric field adopts frame structure.Be about to each corona wire and be arranged between the metal framework, form one group of corona wire by certain distance.Corona wire can use material to be the RS of 1Cr18Ni9Ti pipe prickle wire or jaggies etc., and corona discharge electrode framework 6 adopts coating steel pipes.Corona discharge electrode is made frame structure and is helped I﹠M.In addition, the rapping mode of corona discharge electrode adopts top lift to break off relations waist rapping or the rapping of side direction arm sinker.
The assembly method of horizontal dust collection electric field is, several frame-type corona discharge electrodes 5 are arranged in parallel, and hang on by high-tension insulator 9 on the top board 10 of expansion chamber, and dust collector pole 3 parallel being installed in the expansion chamber of making by the low-resistance corrugated plating, expansion chamber top 10 is fixed in the upper end, and ash bucket 4 then is fixed in the lower end.In addition, for the characteristic of adaline shaft kiln dust, adopt wide pitch structure between each pole plate.
For preventing to play high-tension insulator dust stratification, dewfall and the creepage fault of insulating effect to dust-precipitator power supply and to the earth, guarantee system stable operation, the utility model design has the hot air cleaning device, referring to Fig. 4.The hot air cleaning device is made up of a heating cabinet 11 and plurality of conduits 12.Being provided with resistance heater 17 in the heating cabinet 11, is blower fans 16 at an end of heating cabinet 11.In place with good conditionsi, the thermal current of cleaning directly can be sent into insulator chamber and do not used resistance heater with blower fan.The cleaning thermal current that enters insulator can effectively be controlled on the waste gas in the electric field and scurry, thereby guarantees the clean of insulator.General hot air temperature is controlled at about 80 ℃ is advisable.
The utility model is when operate as normal, the dust-contained airflow that goes out the machine shaft kiln is in gas approach 1 enters expansion chamber 13, entering under the effect of distribution grid 2 among the horizontal dust collection electric field, under the corona discharge effect of corona discharge electrode 5, dust is by charged, thereby adsorbed the air-flow after electric field gathers dust by dust collector pole 3, by with dust collector pole 3 equipotential flute profile pole plates 7, gather dust again.At last, clean gas flow is discharged by outlet chimney 8.
Claims (4)
1, a kind of roof type cottrell, utilize expansion chamber 13, the ash bucket 4 of common machine shaft kiln, air inlet flue 1 and outlet chimney 8 etc., it is characterized in that being provided with a horizontal dust collection electric field in the inside of expansion chamber 13, the corona discharge electrode 5 of horizontal dust collection electric field adopts frame structure, and dust collector pole 3 adopts low-resistance corrugated plating 15 to be put together, its medium or low resistance corrugated plating 15 is to use cement, asbestos to be Main Ingredients and Appearance, folder reinforcing bar compression molding, corrosion-resistant at its external coating emulsification graphite or other then, as not to be afraid of dewfall conductive material and making.
2, dust-precipitator as claimed in claim 1, it is characterized in that being provided with on the top board 10 of expansion chamber 13 one by the heating cabinet 11 of band blower fan 16 and the hot air cleaning device that pipeline 12 is formed, electric heater 17 is equipped with in its inside, and by pipeline 12, heating cabinet 11 links to each other with the high voltage insulator compartment.
3, dust-precipitator as claimed in claim 1 or 2, it is characterized in that the horizontal dust collection electric field in the expansion chamber 13 and export between the chimney 8 a flute profile pole plate 7 is set, its structure is to be rolled into the pole plate that the cross section is " Contraband " shape by several with iron plate to be staggered to two rows, and flute profile pole plate 7 has identical current potential with the dust collector pole 3 of dust collection electric field.
4, dust-precipitator as claimed in claim 1 or 2 is characterized in that between the horizontal electric field and air inlet flue 1 in expansion chamber 13 distribution grid 2 being set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88207241 CN2032302U (en) | 1988-06-22 | 1988-06-22 | Roof type wide-space electric duster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88207241 CN2032302U (en) | 1988-06-22 | 1988-06-22 | Roof type wide-space electric duster |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2032302U true CN2032302U (en) | 1989-02-08 |
Family
ID=4841290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 88207241 Withdrawn CN2032302U (en) | 1988-06-22 | 1988-06-22 | Roof type wide-space electric duster |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2032302U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112138475A (en) * | 2020-09-30 | 2020-12-29 | 中冶焦耐(大连)工程技术有限公司 | Distributed dust removal system for smoke dissipated by coke oven and working method thereof |
| CN113908651A (en) * | 2021-11-22 | 2022-01-11 | 江苏科技大学 | Steel structure workshop welding smoke dust collecting and purifying system and method |
-
1988
- 1988-06-22 CN CN 88207241 patent/CN2032302U/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112138475A (en) * | 2020-09-30 | 2020-12-29 | 中冶焦耐(大连)工程技术有限公司 | Distributed dust removal system for smoke dissipated by coke oven and working method thereof |
| CN112138475B (en) * | 2020-09-30 | 2024-01-30 | 中冶焦耐(大连)工程技术有限公司 | Coke oven dissipation smoke dust distributed dust removal system and working method thereof |
| CN113908651A (en) * | 2021-11-22 | 2022-01-11 | 江苏科技大学 | Steel structure workshop welding smoke dust collecting and purifying system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C15 | Extension of patent right duration from 15 to 20 years for appl. with date before 31.12.1992 and still valid on 11.12.2001 (patent law change 1993) | ||
| RN01 | Renewal of patent term | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |