CN104456600A - Lime rotary kiln pulverized coal preparing and conveying device - Google Patents
Lime rotary kiln pulverized coal preparing and conveying device Download PDFInfo
- Publication number
- CN104456600A CN104456600A CN201410781260.7A CN201410781260A CN104456600A CN 104456600 A CN104456600 A CN 104456600A CN 201410781260 A CN201410781260 A CN 201410781260A CN 104456600 A CN104456600 A CN 104456600A
- Authority
- CN
- China
- Prior art keywords
- rotary kiln
- pulverized coal
- connects
- pipeline
- coal
- 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.)
- Pending
Links
Abstract
The invention relates to a lime rotary kiln pulverized coal preparing and conveying device and method. A raw coal bin is connected with an inlet of a quantitative coal feeder, an outlet of the quantitative coal feeder is connected with a coal mill, a separator is arranged on the upper portion of the coal mill, an inlet of a bag-type pulverized coal collector is connected with the separator while an outlet of the same is connected with an exhaust fan, the bottom of the bag-type pulverized coal collector is connected with pulverized coal bin which is connected with a rotary kiln through a pipeline with an air blower, and the rotary kiln is connected with the bottom of the coal mill through a pipeline with a circulating fan. The lime rotary kiln pulverized coal preparing and conveying device is stable and reliable in working, small in investment scale, small in occupied area, little and simple in equipment, safe, reliable, few in limitation on coal types and low in pollution.
Description
Technical field
The present invention relates to metallurgy lime class, particularly burn coal stone ash rotary system, particularly relate to pulverized coal preparation and conveying device in a kind of lime rotary kiln.
Background technology
For solve traditional pulverized coal preparation large with the scale of investment that exists in winding-up, take up an area greatly, equipment is many and complicated, inflammable and explosive, to coal limit many, pollute the problems such as large, since each steel industry proposes energy-saving and emission-reduction, and lime burner furnace is not when having other fuel thermal source, application pulverized coal preparation and blowing process more and more extensive.
In order to make full use of the coal in small, broken bits and this resource of low calorific value coal that clamp dog or coal produce in transportation, and sprayed into easily in lime burner furnace, the technical staff in this pulverized coal preparation and winding-up field is just being devoted to the reliable and stable process equipment seeking a kind of pulverized coal preparation and coal injection.
Summary of the invention
The present invention is intended to realize this goal and provides a kind of lime rotary kiln pulverized coal preparation and conveying device, which overcome the difficulty of prior art, make full use of coal in small, broken bits and this resource of low calorific value coal that clamp dog or coal produce in transportation, and sprayed into easily in lime burner furnace.
Technical solution of the present invention is as follows:
A kind of lime rotary kiln pulverized coal preparation and conveying device, it comprises run coal bin, rotary kiln, and described device also comprises quantitative feeder, coal pulverizer, bladder type powder recepting device, exhaust blower, Pulverized Coal Bin, air blast and circulating fan; Described run coal bin connects the entrance of quantitative feeder, the outlet of described quantitative feeder connects coal pulverizer, the top of described coal pulverizer is provided with a separator, the entrance of described bladder type powder recepting device connects separator, the outlet of described bladder type powder recepting device connects exhaust blower, the bottom of described bladder type powder recepting device connects Pulverized Coal Bin, and described Pulverized Coal Bin connects rotary kiln by the pipeline being provided with air blast, and described rotary kiln connects the bottom of coal pulverizer by the pipeline being provided with circulating fan.
The present invention is owing to have employed above technical scheme, relative to prior art, lime rotary kiln pulverized coal preparation of the present invention and conveying device and method thereof make full use of the coal in small, broken bits and this resource of low calorific value coal that clamp dog or coal produce in transportation, and are sprayed into easily in lime burner furnace, and its working stability is reliable, scale of investment is little, take up an area little, equipment is few and simple, safe and reliable, few to coal restriction, pollute little.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present invention.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is elaborated.
As shown in Figure 1, the present invention forms primarily of run coal bin 1, rotary kiln 12, quantitative feeder 2, coal pulverizer 3, bladder type powder recepting device 4, exhaust blower 6, Pulverized Coal Bin 7, air blast 9 and circulating fan 16.
Run coal bin 1 connects the entrance of quantitative feeder 2, the outlet of quantitative feeder 2 connects coal pulverizer 3, the top of coal pulverizer 3 arranges a separator, the entrance of bladder type powder recepting device 4 connects this separator, the outlet of bladder type powder recepting device 4 connects 1024259473/4 page 56, exhaust blower CN 102425940A description, the bottom of bladder type powder recepting device 4 connects Pulverized Coal Bin 7, and Pulverized Coal Bin 7 connects rotary kiln 12 by the pipeline being provided with air blast 9, and rotary kiln 12 connects the bottom of coal pulverizer 3 by the pipeline being provided with circulating fan 16.
Pipeline between circulating fan 16 and deduster 13 is provided with a control valve 15.Pipeline collateral branch pipe between control valve 15 with deduster 13 is connected one with the cool air hose mixing cold blast sliding valve 14.Pipeline between bladder type powder recepting device 4 to exhaust blower 6 is provided with a control valve 5.Pipeline between bladder type powder recepting device 4 to Pulverized Coal Bin 7 is provided with a control valve 18.Pulverized Coal Bin 7 connects the entrance of pocket type powder collector 4 by the pipeline that is provided with control valve 17.A control valve 10 is provided with between rotary kiln 12 and Pulverized Coal Bin 7.
This device of the present invention also installs a meausring apparatus 8, and this meausring apparatus 8 is arranged on the exit of Pulverized Coal Bin 7.This device also installs a deduster 13, and this deduster 13 is arranged on the pipeline between rotary kiln 12 to coal pulverizer 3.This device also installs a nitrogen protection device 19, and this nitrogen protection device 19 connects facility such as coal pulverizer 3 grade by some pipelines.
Rotary kiln 12 is provided with a burner 11, and this burner 11 connects meausring apparatus 8.Bladder type powder recepting device 4 in device is long bag and low pulse cloth bag collection machine.
Modification etc. all will drop in the scope of the claims in the present invention.
Claims (7)
1. a lime rotary kiln pulverized coal preparation and conveying device, it comprises run coal bin (1), rotary kiln (12), it is characterized in that: described device also comprises quantitative feeder (2), coal pulverizer (3), bladder type powder recepting device (4), exhaust blower (6), Pulverized Coal Bin (7), air blast (9) and circulating fan (16), described run coal bin (1) connects the entrance of quantitative feeder (2), the outlet of described quantitative feeder (2) connects coal pulverizer (3), the top of described coal pulverizer (3) is provided with a separator, the entrance of described bladder type powder recepting device (4) connects separator, the outlet of described bladder type powder recepting device (4) connects exhaust blower (6), the bottom of described bladder type powder recepting device (4) connects Pulverized Coal Bin (7), described Pulverized Coal Bin (7) connects rotary kiln (12) by the pipeline being provided with air blast (9), described rotary kiln (12) connects the bottom of coal pulverizer (3) by the pipeline being provided with circulating fan (16).
2. lime rotary kiln pulverized coal preparation as claimed in claim 1 and conveying device, is characterized in that: described device also comprises a meausring apparatus (8), is arranged on the exit of Pulverized Coal Bin (7).
3. lime rotary kiln pulverized coal preparation as claimed in claim 2 and conveying device, is characterized in that: described rotary kiln (12) is provided with a burner (11), and described burner (11) connects meausring apparatus (8).
4. lime rotary kiln pulverized coal preparation as claimed in claim 1 and conveying device, is characterized in that: described device also comprises a deduster (13), be arranged on the pipeline between rotary kiln (12) to coal pulverizer (3).
5. lime rotary kiln pulverized coal preparation as claimed in claim 1 and conveying device, is characterized in that: described device also comprises a nitrogen protection device (19), connects coal pulverizer (3) facility by some pipelines.
6. lime rotary kiln pulverized coal preparation as claimed in claim 1 and conveying device, is characterized in that: described bladder type powder recepting device (4) is long bag and low pulse cloth bag collection machine.
7. lime rotary kiln pulverized coal preparation as claimed in claim 1 and conveying device, is characterized in that: the pipeline between described circulating fan (16) and deduster (13) is provided with a control valve (15); Pipeline collateral branch pipe between described control valve (15) with deduster (13) is connected one with the cool air hose mixing cold blast sliding valve (14); Pipeline between described bladder type powder recepting device (4) to exhaust blower (6) is provided with a control valve (5); Pipeline between described bladder type powder recepting device (4) to Pulverized Coal Bin (7) is provided with a control valve (18); Described Pulverized Coal Bin (7) connects the entrance of pocket type powder collector (4) by the pipeline that is provided with control valve (17); A control valve (10) is provided with between described rotary kiln (12) and Pulverized Coal Bin (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410781260.7A CN104456600A (en) | 2014-12-16 | 2014-12-16 | Lime rotary kiln pulverized coal preparing and conveying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410781260.7A CN104456600A (en) | 2014-12-16 | 2014-12-16 | Lime rotary kiln pulverized coal preparing and conveying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104456600A true CN104456600A (en) | 2015-03-25 |
Family
ID=52903084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410781260.7A Pending CN104456600A (en) | 2014-12-16 | 2014-12-16 | Lime rotary kiln pulverized coal preparing and conveying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104456600A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070144415A1 (en) * | 2005-11-29 | 2007-06-28 | Varagani Rajani K | Coal Upgrading Process Utilizing Nitrogen and/or Carbon Dioxide |
| JP2011112243A (en) * | 2009-11-25 | 2011-06-09 | Chubu Electric Power Co Inc | Method of suppressing differential pressure for air preheater |
| WO2012035777A1 (en) * | 2010-09-16 | 2012-03-22 | バブコック日立株式会社 | Combustion plant |
| CN102425940A (en) * | 2011-11-25 | 2012-04-25 | 宝钢工程技术集团有限公司 | Device and method for preparing and transporting lime rotary kiln pulverized coal |
| CN202328315U (en) * | 2011-11-26 | 2012-07-11 | 宝钢工程技术集团有限公司 | Device for preparing and transporting lime rotary kiln coal powders |
| CN102840593A (en) * | 2011-06-20 | 2012-12-26 | 上海机易电站设备有限公司 | Fume dried lignite medium speed mill powder-making system |
-
2014
- 2014-12-16 CN CN201410781260.7A patent/CN104456600A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070144415A1 (en) * | 2005-11-29 | 2007-06-28 | Varagani Rajani K | Coal Upgrading Process Utilizing Nitrogen and/or Carbon Dioxide |
| JP2011112243A (en) * | 2009-11-25 | 2011-06-09 | Chubu Electric Power Co Inc | Method of suppressing differential pressure for air preheater |
| WO2012035777A1 (en) * | 2010-09-16 | 2012-03-22 | バブコック日立株式会社 | Combustion plant |
| CN102840593A (en) * | 2011-06-20 | 2012-12-26 | 上海机易电站设备有限公司 | Fume dried lignite medium speed mill powder-making system |
| CN102425940A (en) * | 2011-11-25 | 2012-04-25 | 宝钢工程技术集团有限公司 | Device and method for preparing and transporting lime rotary kiln pulverized coal |
| CN202328315U (en) * | 2011-11-26 | 2012-07-11 | 宝钢工程技术集团有限公司 | Device for preparing and transporting lime rotary kiln coal powders |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102853654B (en) | Air distribution process and air distribution system for rotary kiln | |
| CN103834755A (en) | Pulverized coal preheating technique of blast furnace coal injection system | |
| CN102425940A (en) | Device and method for preparing and transporting lime rotary kiln pulverized coal | |
| CN203771439U (en) | High-moisture lignite medium speed mill coal pulverizing system using pulverized coal combustion heating primary air | |
| CN104326688B (en) | A kind of a large amount of, system and method for safe utilization brown coal calcination of cement clinker | |
| CN203731460U (en) | System for drying fuel by waste smoke gas in biomass power plant | |
| CN104456600A (en) | Lime rotary kiln pulverized coal preparing and conveying device | |
| CN204224470U (en) | A kind of system of a large amount of, safe utilization brown coal calcination of cement clinker | |
| CN204718348U (en) | High-temperature hot-air and coal slime drying control system are produced in coal mine light concentration mash gas oxidation | |
| CN207066020U (en) | A kind of semi-coke drying system using limekiln exhaust gas waste heat | |
| CN202989197U (en) | Improved exhaust gas emission pipeline of blast-furnace hot blast stove | |
| CN205717287U (en) | Hot blast and exhaust gas double-medium powder delivery efficient boiler combustion apparatus | |
| CN103486604A (en) | Method and system thereof for generating drying medium | |
| CN202328315U (en) | Device for preparing and transporting lime rotary kiln coal powders | |
| CN208234792U (en) | It is a kind of to prepare cement energy conservation and environmental protection dry method cement rotary kiln using industrial residue | |
| CN203824299U (en) | Waste-heat utilization structure of rotary kiln and rotary kiln production system | |
| CN105565687A (en) | Pulverized coal injection delivery system for lime kiln | |
| CN205008025U (en) | Coal pulverizer device | |
| CN203478299U (en) | Drying medium generation system | |
| CN204213918U (en) | A kind of multiple flow burnout degree spray nozzle device | |
| CN104456540A (en) | Loop cold and hot air waste heat recovery and utilization ignition furnace | |
| CN104848674A (en) | Coal mine low concentration gas oxidation high temperature hot air and coal slime preparing and drying technology | |
| CN204509422U (en) | A kind of guarantor's magnetic calciner burning till magnetite fast | |
| CN202329087U (en) | Lime rotary kiln coal powder preparation conveying device | |
| CN204365050U (en) | A kind of sack cleaner and coal-grinding induction system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150325 |