CN105502006A - Sintering dry and fine powder distribution device capable of avoiding ash spray - Google Patents
Sintering dry and fine powder distribution device capable of avoiding ash spray Download PDFInfo
- Publication number
- CN105502006A CN105502006A CN201510976005.2A CN201510976005A CN105502006A CN 105502006 A CN105502006 A CN 105502006A CN 201510976005 A CN201510976005 A CN 201510976005A CN 105502006 A CN105502006 A CN 105502006A
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- CN
- China
- Prior art keywords
- buffer bin
- bin
- fine powder
- dust
- star
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G65/00—Loading or unloading
- B65G65/005—Control arrangements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G65/00—Loading or unloading
- B65G65/30—Methods or devices for filling or emptying bunkers, hoppers, tanks, or like containers, of interest apart from their use in particular chemical or physical processes or their application in particular machines, e.g. not covered by a single other subclass
- B65G65/34—Emptying devices
- B65G65/40—Devices for emptying otherwise than from the top
- B65G65/48—Devices for emptying otherwise than from the top using other rotating means, e.g. rotating pressure sluices in pneumatic systems
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2207/00—Indexing codes relating to constructional details, configuration and additional features of a handling device, e.g. Conveyors
- B65G2207/40—Safety features of loads, equipment or persons
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a sintering dry and fine powder distribution device capable of avoiding ash spray, comprising a stock bin (1), a bin wall vibrator (2) located on the stock bin (1), a gate valve (3), a discharge hole and a striker plate (4), a directly-towed belt weigher (5), and dust collecting points (6) at the head of a belt, wherein a star-like dust valve (7) is arranged below the gate valve (3), a buffer bin (8) is arranged below the star-like dust valve (7), the discharge hole and the striker plate (4) are arranged at the bottom of the buffer bin (8), and the directly-towed dust valve (5) and the dust collecting points (6) at the head of the belt are arranged below the discharge hole and the striker plate (4); and the distribution device further comprises a decompression channel (9) located on the buffer bin (8), connected with a dust catcher and used for relieving gas pressure in the buffer bin (8). The sintering dry and fine powder distribution device with the special structure can completely eliminate the phenomenon of ash spray, ensure steady production and improve the environment of a distribution room.
Description
Technical field
The present invention relates to the proportioner of agglomerates of sintered pellets industry, especially relate to a kind of proportioner that can realize the sintering dry fine powder material not spraying ash.
Background technology
The dry fine powder material proportioner of existing agglomerates of sintered pellets as shown in Figure of description 1, primarily of the composition such as feed bin, hopper wall vibrator, push-pull valve, discharging opening and striker plate, stright-pulling type belt conveyer scale, dust sucting point.This kind of proportioner can be regular in actual production process, irregular appearance " spray ash ", namely spray a large amount of dry fine powder materials from discharging opening in the short time.The calcium lime burden device of sintering system of head factory is smelted iron for Ma Gang tri-, since sintering system is gone into operation for 2006,13-1A, 13-2A, 13-1B, 13-2B totally four cover calcium lime burden devices that A, B sintering machine is corresponding, spray the problem of ash always when there is normal production.By long-term observation, substantially, every platform equipment sprays weekly ash about 1 ~ 3 time, has a strong impact on the normal production of batching, brings very large pollution also to the environment of proportioning room simultaneously.
Mainly contain to the relevant negative effect of the grey problem of spray: the of short duration quick lime that feed bin hanging causes stops joining or crossing joins and affects sintering deposit moisture and quality rate (time serious, need shut down pumping material), spray a large amount of quick limes that grey (capacity of spray coating is once maximum reaches about 20t) causes quick lime on proportioning belt to be crossed joining and production on-site environment is ejected and pollute.
Summary of the invention
Technical matters to be solved by this invention provides a kind of sintering dry fine powder material proportioner not spraying ash for problems of the prior art, its objective is and eliminate the grey phenomenon of spray completely, ensure that the stable of production carries out, improve the environment of proportioning room.
Technical scheme of the present invention be this kind do not spray ash sintering dry fine powder material proportioner comprise feed bin, the hopper wall vibrator be positioned on feed bin, push-pull valve, discharging opening and striker plate, stright-pulling type belt conveyer scale, and belt head portion dust sucting point, the below of described push-pull valve is provided with star-shaped dust-discharging valve, the below of star-shaped dust-discharging valve is provided with buffer bin, the bottom of buffer bin is provided with discharging opening and striker plate, and the below of discharging opening and striker plate is provided with stright-pulling type belt conveyer scale and belt head portion dust sucting point; Described proportioner also comprises the pressure release passage for buffer release feed bin gaseous tension being arranged in and buffer bin is connected with dust exhaustor.
Described proportioner also comprises between star-shaped dust-discharging valve and buffer bin, makes buffer bin weight all drop on FlexbleJoint in buffer bin LOAD CELLS.
Described push-pull valve is Non-follow control, or Electronic control, or air operated control.
The frequency of described star-shaped dust-discharging valve sets according to the material level of buffer bin.
There is the sintering dry fine powder material proportioner not spraying ash of above-mentioned special construction by arranging the devices such as intermediate buffering feed bin, star-shaped dust-discharging valve, when there is possible spray ash in top feed bin, buffer bin material level by instantaneous more than 2400kg, under program effect, unloading valve is out of service, effective stop is played to spray ash, stright-pulling type belt conveyer scale below buffer bin can be prepared burden by normal operation, thus avoid " spray ash " phenomenon that may occur at any time, reduce environmental pollution in steady production with while improving quality.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the invention will be further described:
Fig. 1 is the structural representation of prior art.
Fig. 2 is structural representation of the present invention.
Fig. 3 is the material level of buffer bin and the control chart of star-shaped dust-discharging valve frequency relation.
In fig. 1-3,1: feed bin; 2: hopper wall vibrator; 3: push-pull valve; 4: discharging opening and striker plate; 5: stright-pulling type belt conveyer scale; 6: belt head portion dust sucting point; 7: star-shaped dust-discharging valve; 8: buffer bin; 9: pressure release passage; 10: FlexbleJoint.
Detailed description of the invention
Fig. 1 is the structural representation of the sintering dry fine powder material proportioner of existing structure, primarily of the composition such as feed bin, hopper wall vibrator, push-pull valve, discharging opening and striker plate, stright-pulling type belt conveyer scale, dust sucting point.The material similar with snowslide can be there is collapse (this situation is more common) due to the dry fine powder material in feed bin or (usual dry fine powder material is pressed into feed bin by cone pump because the air pressure in feed bin rises, when the dust exhaustor blocking of storehouse top pressure release, pressure of silo can raise extremely, this situation is more rare) instantaneous a large amount of dry fine powder material can be caused to gush out from discharging opening, and cause " spray ash ".This kind of proportioner can be regular in actual production process, irregular appearance " spray ash ", namely a large amount of dry fine powder materials is sprayed from discharging opening in the short time, by long-term observation, substantially, every platform equipment sprays weekly ash about 1 ~ 3 time, have a strong impact on the normal production of batching, bring very large pollution also to the environment of proportioning room simultaneously.
Fig. 2 is structural representation of the present invention.The sintering dry fine powder material proportioner that this kind does not spray ash comprises feed bin 1, the hopper wall vibrator 2 be positioned on feed bin 1, push-pull valve 3, discharging opening and striker plate 4, stright-pulling type belt conveyer scale 5, and belt head portion dust sucting point 6, the below of push-pull valve 3 is provided with star-shaped dust-discharging valve 7, the below of star-shaped dust-discharging valve 7 is provided with buffer bin 8, the bottom of buffer bin 8 is provided with discharging opening and striker plate 4, and the below of discharging opening and striker plate 4 is provided with stright-pulling type belt conveyer scale 5 and belt head portion dust sucting point 6; Described proportioner also comprises the pressure release passage 9 for buffer release feed bin 8 gaseous tension being arranged in and buffer bin 8 is connected with dust exhaustor.
Proportioner also comprises between star-shaped dust-discharging valve 7 and buffer bin 8, makes buffer bin 8 weight all drop on FlexbleJoint 10 in buffer bin LOAD CELLS; Push-pull valve 3 can be Non-follow control, also can be Electronic control, or air operated control, all can reach same control effects.
Fig. 3 is the material level of buffer bin and the control chart of star-shaped dust-discharging valve frequency relation.As shown in Figure 3, the frequency of star-shaped dust-discharging valve 7 sets according to the material level of buffer bin 8.
The groundwork that implementation procedure controls:
The normal material level of buffer bin 8 is 40% ~ 90% (buffer bin geometric volume 4.2m
3, coefficient of admission by 0.8, is then bought securities with all one's capital as 3.4m
3, quick lime density 1.0t/m
3, then buy securities with all one's capital about 3400kg); Star-shaped dust-discharging valve 7 operates with frequency control way.
Buffer bin 8 is empty, weight detecting of buying securities with all one's capital: buy securities with all one's capital, and by manually being piled by buffer bin 8 at the scene, stopping star-shaped dust-discharging valve 7, opening observation manhole, and range estimation confirmation is bought securities with all one's capital, record material level value; Start proportioning belt scale blowing, weigh accumulative simultaneously, to emptying record cumulative amount, compare with pressure head value, determine weight of buying securities with all one's capital.
Star-shaped dust-discharging valve 7 rotating speed measures with corresponding stream magnitude relation: in buffer bin 8 hole capital after selling all securities situation, opens star-shaped dust-discharging valve 7 and timing, completely stop timing, the flow that compute is corresponding with rotating speed to storehouse with fixed rotating speed; Repeatedly with different rotating speeds, repeat above step.Finally can draw the relation curve of star-shaped dust-discharging valve 7 rotating speed and corresponding stream amount.
Doses (about about 750 ~ 850t/h) × quick lime proportioning (about about 2.8 ~ 3.2%)=21 ~ 27.2t/h on the normal dosage=mixture of quick lime.
The bio-occlusion doses of setting star-shaped dust-discharging valve 7 should be advisable with 24t/h.
According to the frequency of the material level setting star-shaped dust-discharging valve 7 of buffer bin 8, such as, when the material level (weight) of buffer bin 8 is between 2300 kilograms to 2400 kilograms tons, the setpoint frequency of star-shaped dust-discharging valve 7 is 7Hz; When buffer bin 8 material level is between 2200 kilograms to 2300 kilograms, the setpoint frequency of star-shaped dust-discharging valve 7 is 12Hz.
When buffer bin 8 material level is lower than 1800 kilograms, start acoustic wave soot blower shake storehouse, and remind " quick lime storehouse or buffer bin may block up storehouse not blanking, suggestion spot examination " in operator station; When the material level of buffer bin 8 is higher than 1900 kilograms, stop acoustic wave soot blower.
The devices such as intermediate buffering feed bin are provided with due to the present invention, when there is possible spray ash in top feed bin, buffer bin material level by instantaneous more than 2400kg, under program effect, unloading valve (frequency is 0Hz) out of service, plays effective stop (not spraying ash below buffer bin) to spray ash.Stright-pulling type belt conveyer scale below buffer bin can normal operation batching, thus avoids " spray ash " phenomenon that accompanying drawing 1 device may occur at any time.
With every platform calcium lime burden device average weekly " spray ash " 2 times, average each " spray ash " 2 tons, annual capacity of spray coating is: 2 times/week × 2 tons/time × 4 × 52 weeks/year=832 tons/year.
By metallurgy lime market price per ton 342 yuan, the quick lime residual value spraying into ground is that 50 yuan/t calculates, and can reduce the grey direct economic loss of spray every year: 832 tons/year × (342-50) unit/t=24.3 ten thousand yuan/year.In addition, grey owing to eliminating spray, the corresponding minimizing of on-the-spot deashing labor service personnel, adds up to and about reduces by a labor service manually, annual saving labor service expenditure about 2.5 ten thousand yuan.Above direct economic benefit adds up to 26.8 ten thousand yuan.
In addition, the present invention have greatly reduce spray ash and cause Heavy environmental pollution, steady production, improve the indirect benefit of quality.
Claims (4)
1. one kind does not spray the sintering dry fine powder material proportioner of ash, comprise feed bin (1), be positioned at the hopper wall vibrator (2) on feed bin (1), push-pull valve (3), discharging opening and striker plate (4), stright-pulling type belt conveyer scale (5), and belt head portion dust sucting point (6), it is characterized in that: the below of described push-pull valve (3) is provided with star-shaped dust-discharging valve (7), the below of star-shaped dust-discharging valve (7) is provided with buffer bin (8), the bottom of buffer bin (8) is provided with discharging opening and striker plate (4), the below of discharging opening and striker plate (4) is provided with stright-pulling type belt conveyer scale (5) and belt head portion dust sucting point (6), described proportioner also comprises the pressure release passage (9) for buffer release feed bin (8) gaseous tension being arranged in buffer bin (8) and being above connected with dust exhaustor.
2. a kind of sintering dry fine powder material proportioner not spraying ash according to claim 1, it is characterized in that: described proportioner also comprises and being positioned between star-shaped dust-discharging valve (7) and buffer bin (8), make buffer bin (8) weight all drop on FlexbleJoint (10) in buffer bin LOAD CELLS.
3. a kind of sintering dry fine powder material proportioner not spraying ash according to claim 2, is characterized in that: described push-pull valve (3) is Non-follow control, or Electronic control, or air operated control.
4. a kind of sintering dry fine powder material proportioner not spraying ash according to claim 3, is characterized in that: the frequency of described star-shaped dust-discharging valve (7) sets according to the material level of buffer bin (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510976005.2A CN105502006A (en) | 2015-12-22 | 2015-12-22 | Sintering dry and fine powder distribution device capable of avoiding ash spray |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510976005.2A CN105502006A (en) | 2015-12-22 | 2015-12-22 | Sintering dry and fine powder distribution device capable of avoiding ash spray |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105502006A true CN105502006A (en) | 2016-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510976005.2A Pending CN105502006A (en) | 2015-12-22 | 2015-12-22 | Sintering dry and fine powder distribution device capable of avoiding ash spray |
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| CN (1) | CN105502006A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107758374A (en) * | 2017-10-24 | 2018-03-06 | 芜湖新兴铸管有限责任公司 | Flux feeding device |
| CN110525991A (en) * | 2018-05-24 | 2019-12-03 | 宝山钢铁股份有限公司 | A kind of powder cuts out device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0049912A2 (en) * | 1980-10-10 | 1982-04-21 | Paul Wurth S.A. | Method and device for producing a uniform pneumatic current of powdery materials |
| EP0079444A1 (en) * | 1981-10-19 | 1983-05-25 | Paul Wurth S.A. | Apparatus for controlling the capacity and charge of a distribution vessel for pulverized materials |
| JPS58113034A (en) * | 1981-12-25 | 1983-07-05 | Hitachi Plant Eng & Constr Co Ltd | Airtight discharge apparatus for powder |
| CN202057400U (en) * | 2011-05-12 | 2011-11-30 | 中材装备集团有限公司 | Device for static measurement of cement clinker during intermittent transmission |
| CN203127792U (en) * | 2013-03-19 | 2013-08-14 | 合肥工业大学 | Metering device for powder and particles |
| CN203450638U (en) * | 2013-09-10 | 2014-02-26 | 攀钢集团攀枝花钢铁研究院有限公司 | Powder metering and conveying system |
| CN205346358U (en) * | 2015-12-22 | 2016-06-29 | 马鞍山钢铁股份有限公司 | Fine powder dosing unit is done to sintering that does not spout ash |
-
2015
- 2015-12-22 CN CN201510976005.2A patent/CN105502006A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0049912A2 (en) * | 1980-10-10 | 1982-04-21 | Paul Wurth S.A. | Method and device for producing a uniform pneumatic current of powdery materials |
| EP0079444A1 (en) * | 1981-10-19 | 1983-05-25 | Paul Wurth S.A. | Apparatus for controlling the capacity and charge of a distribution vessel for pulverized materials |
| JPS58113034A (en) * | 1981-12-25 | 1983-07-05 | Hitachi Plant Eng & Constr Co Ltd | Airtight discharge apparatus for powder |
| CN202057400U (en) * | 2011-05-12 | 2011-11-30 | 中材装备集团有限公司 | Device for static measurement of cement clinker during intermittent transmission |
| CN203127792U (en) * | 2013-03-19 | 2013-08-14 | 合肥工业大学 | Metering device for powder and particles |
| CN203450638U (en) * | 2013-09-10 | 2014-02-26 | 攀钢集团攀枝花钢铁研究院有限公司 | Powder metering and conveying system |
| CN205346358U (en) * | 2015-12-22 | 2016-06-29 | 马鞍山钢铁股份有限公司 | Fine powder dosing unit is done to sintering that does not spout ash |
Non-Patent Citations (2)
| Title |
|---|
| 姜凤有: "《工业除尘设备 设计、制作、安装与管理》", 31 January 2007, 冶金工业出版社 * |
| 编写组编: "《电力设备选型手册》", 30 April 2012, 中国水力水电出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107758374A (en) * | 2017-10-24 | 2018-03-06 | 芜湖新兴铸管有限责任公司 | Flux feeding device |
| CN110525991A (en) * | 2018-05-24 | 2019-12-03 | 宝山钢铁股份有限公司 | A kind of powder cuts out device |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 243003 Department of intellectual property right of Hunan West Road No. 8 technology center, Ma'anshan City, Anhui Province Applicant after: Ma'anshan Iron and Steel Co., Ltd. Address before: 243003 Hunan Anhui West Road, No. 8 technology center, Intellectual Property Department Applicant before: Ma'anshan Iron and Steel Co., Ltd. |
|
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160420 |