CN104215052B - A kind of SCR catalyst drying system - Google Patents
A kind of SCR catalyst drying system Download PDFInfo
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- CN104215052B CN104215052B CN201410447223.2A CN201410447223A CN104215052B CN 104215052 B CN104215052 B CN 104215052B CN 201410447223 A CN201410447223 A CN 201410447223A CN 104215052 B CN104215052 B CN 104215052B
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Abstract
A kind of SCR catalyst drying system of the present invention, comprise: primary drying kiln, redrying kiln, wherein redrying comprises: kiln body, jet chimney, VFC axial flow blower, MCS, kiln car guide rail, the kiln hood of described kiln body and kiln tail are open, kiln body inside arranges the kiln car guide rail of two parallel kiln bodies, and described jet chimney enters kiln body by described kiln body top and uniform in kiln body inside; Described kiln body top is provided with the outside dehumidifier of multiple stage VFC axial flow blower; Described MCS comprises: blower fan, dehumidifying pipelines, and adopt blower fan and dehumidification tube associated methods to carry out hydrofuge, wherein primary drying adopts cyclone cylinder, and jet chimney, gasified water controls kiln temperature, humidity.Product is evenly heated, humidification, significantly reduce deformation of products, solve the problem of finished product rate variance.Adopt kiln car to carry out product conveying, effectively achieve full-automatic production.Kiln body adopts high-quality steel and stainless steel, reliable and stable.
Description
Technical field
The present invention relates to a kind of SCR catalyst drying system.
Background technology
SCR catalyst is the important component part in denitrating technique, in the production process of SCR catalyst, be an important ring of production to the primary drying of catalyst, redrying, be the important preprocessing process before calcining, producer both domestic and external primary drying adopts box static dry, box static drying is pitched in box-type room with fork truck by product, adopt single little case to carry out redrying, production cost is high, and output is little, easy strain cracking, cannot automated production.
Above-mentioned problem is not mainly by production process flow process, automation, and meet the method for the heating to product, humidification requirement, to such an extent as to cannot production cost be reduced, improve output and reduce percent defective, in order to solve the problem, need a kind of temperature to its dry run, humidity and procedure badly and producing the dry integrated system of full-automatic SCR carrying out comprehensively controlling.
Summary of the invention
The object of the present invention is to provide a kind of SCR dry kiln system, solve existing dry kiln uneven to product heating, product is easily out of shape, and accurately cannot control temperature humidity, cannot the problem of automated production.
The present invention adopts following technical scheme:
A kind of SCR catalyst drying system, comprise: primary drying kiln, redrying kiln, redrying comprises: kiln body (1), jet chimney (2), VFC axial flow blower (31), MCS, kiln car guide rail (4), described kiln body (1) is tunnel type steel frame construction, kiln hood and the kiln tail of described kiln body (1) are open, kiln body inside arranges the kiln car guide rail (4) of two parallel kiln bodies, described kiln car guide rail (4) is provided with kiln car, described jet chimney (2) enters kiln body by described kiln body top and uniform in kiln body inside, described kiln body (1) top is provided with multiple stage VFC axial flow blower (31) outwards dehumidifier, described MCS comprises: blower fan, dehumidifying pipelines (32), and it is inner that described dehumidifying pipelines (32) is distributed in kiln body, and described dehumidifying pipelines (32) is connected with blower fan.
Described kiln external body lays the insulation of polyphenyl alkene warming plate.
The operation of kiln car, MCS, VFC axial flow blower (31) and jet chimney adopt PLC to control.
Primary drying kiln comprises: primary drying kiln kiln body (1), product delivery system, gas cyclic control system, temperature control system, MCS, it is characterized in that: described primary drying kiln kiln body (101) is tunnel type, steel frame construction, kiln hood and the kiln tail of described kiln body are provided with automatic overhead door, described product delivery system is two long rails (1041) that be arranged in parallel about described kiln body inside, wheeled kiln car (1042) on described track; Described gas cyclic control system arranges whirlwind band in the middle of described two tracks in kiln body, described whirlwind band is made up of the cyclone cylinder (1022) of multiple uniform setting, described cyclone cylinder (1022) is for hollow and to be vertically suspended in kiln top and its length is gone directly bottom kiln from kiln top, described cyclone cylinder (1022) top connects motor (10221) and rotates, the surrounding of described cyclone cylinder (1022) is provided with air outlet (10224), and described air outlet (10224) is communicated with described cyclone cylinder (1022) inside; Described temperature control system arranges steam pipework (1021) in described kiln body inside, described steam pipework is multistage fin (10211) group arranged along kiln body longitudinal divisions, described every section of groups of fins (10211) is uniformly distributed along kiln body sidewall, kiln top: described MCS is the spraying band longitudinally arranged along kiln body, described spraying band is the many injection spray pipe compositions vertically arranged, and described every two injection spray pipes are separately positioned on cyclone cylinder both sides; Described MCS also comprises: water lines (1031) and compressed air line (1032) and atomising device.
Polyphenyl alkene warming plate is wrapped up at the surrounding of described steel frame construction and top.
Described cyclone cylinder (1022) is conical tube, described cyclone cylinder hollow cavity inside is provided with blade (10223), described blade is connected with motor (10221) by turning cylinder, described air outlet (10224) place is provided with wind-guiding bucket (10225), described wind-guiding bucket (10225) is channel-section steel, and described channel-section steel radially inserts described air outlet (10224) internal fixtion.
Described temperature control system, MCS adopt temperature sensor, humidity sensor, electronic valve and executing agency to be controlled by PLC.
Advantage of the present invention is as follows:
1. primary drying kiln adopts that gas cyclic control system, temperature control system, MCS are evenly heated to product, humidification, significantly reduces deformation of products, solves the problem of finished product rate variance.Redrying kiln adopts blower fan and dehumidification tube associated methods to carry out hydrofuge, adopts jet chimney to carry out heating up, adopting axial flow blower to stir the air-flow of described kiln body inside, makes kiln temperature even.Automatic temperature-adjusting, humid control are carried out to product, significantly reduces deformation of products, solve the problem of finished product rate variance.
2. adopt pressure sensor, temperature sensor, humidity sensor, electronic valve accurately to control temperature and humidity
3. adopt four rail two kiln cars to carry out product conveying, circulation turnover, effectively achieve full-automatic production, improve output, reduce costs, shorten arid cycle.
4. kiln body adopts high-quality steel and stainless steel, reliable and stable.
5. pair product evenly heat, humidification, make catalyst prod contained humidity after primary drying reach 10%, moisturely after redrying reach 5%, significantly reduce deformation of products, solve the problem of finished product rate variance.
5. rationally compact to design, be convenient to dismounting and safeguard.
Accompanying drawing illustrates:
Fig. 1 is redrying kiln overall structure schematic diagram of the present invention;
Fig. 2 is redrying kiln top view schematic diagram of the present invention;
Fig. 3 is primary drying kiln top view schematic diagram of the present invention;
Fig. 4 is primary drying kiln pipeline of the present invention distribution side view schematic diagram;
Fig. 5 is primary drying kiln schematic cross-section of the present invention;
Fig. 6 is primary drying kiln cyclone cylinder close-up schematic view of the present invention;
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described further.
Following examples are only for example of the present invention is clearly described, and the restriction not to embodiments of the present invention.For those of ordinary skill in the field; can also make other multi-form change or variations on the basis of the following description, and these belong to the present invention's spirit apparent change of drawing or variation is still among protection scope of the present invention.
Shown in Fig. 1,2, a kind of SCR catalyst drying system, comprise: primary drying kiln, redrying kiln, redrying kiln comprises: kiln body 1, jet chimney 2, VFC axial flow blower 31, MCS, kiln car guide rail 4, described kiln body 1 is tunnel type steel frame construction, the kiln hood of described kiln body 1 and kiln tail are open, kiln body inside arranges the kiln car guide rail 4 of two parallel kiln bodies, described kiln car guide rail 4 is provided with kiln car, and described jet chimney 2 enters kiln body by described kiln body top and uniform in kiln body inside; Described kiln body 1 top is provided with the outside dehumidifier of multiple stage VFC axial flow blower 31; Described MCS comprises: blower fan, dehumidifying pipelines 32, and it is inner that described dehumidifying pipelines 32 is distributed in kiln body, and described dehumidifying pipelines 32 is connected with blower fan.
Described kiln external body lays the insulation of polyphenyl alkene warming plate.
The operation of kiln car, MCS, VFC axial flow blower 31 and jet chimney adopt PLC to control.
Shown in Fig. 3-6, primary drying kiln comprises: primary drying kiln kiln body 101, product delivery system, gas cyclic control system, temperature control system, MCS, described primary drying kiln kiln body 101 is tunnel type, steel frame construction, kiln hood and the kiln tail of described kiln body are provided with automatic overhead door, described product delivery system is two long rails 1041 that be arranged in parallel about described kiln body inside, wheeled kiln car 1042 on described track; Described gas cyclic control system arranges whirlwind band in the middle of described two tracks in kiln body, described whirlwind band is made up of the cyclone cylinder 1022 of multiple uniform setting, described cyclone cylinder 1022 is for hollow and to be vertically suspended in kiln top and its length is gone directly bottom kiln from kiln top, connect motor 10221 above described cyclone cylinder 1022 to rotate, the surrounding of described cyclone cylinder 1022 is provided with air outlet 10224, and described air outlet 10224 is communicated with described cyclone cylinder 1022 inside; Described temperature control system arranges steam pipework 1021 in described kiln body inside, described steam pipework is the multistage fin 10211 groups arranged along kiln body longitudinal divisions, described every section of groups of fins 10211 is uniformly distributed along kiln body sidewall, kiln top: described MCS is the spraying band longitudinally arranged along kiln body, described spraying band is the many injection spray pipe compositions vertically arranged, and described every two injection spray pipes are separately positioned on cyclone cylinder both sides; Described MCS also comprises: water lines 1031 and compressed air line 1032 and atomising device.
Polyphenyl alkene warming plate is wrapped up at the surrounding of described steel frame construction and top.
Described cyclone cylinder 1022 is conical tube, described cyclone cylinder hollow cavity inside is provided with blade 10223, described blade is connected with motor 10221 by turning cylinder, described air outlet 10224 place is provided with wind-guiding bucket 10225, described wind-guiding bucket 10225 is channel-section steel, and described channel-section steel radially inserts described air outlet 10224 internal fixtion.
Described temperature control system, MCS adopt temperature sensor, humidity sensor, electronic valve and executing agency to be controlled by PLC.
In the course of work, catalyst prod is first dry through primary drying kiln drying, kiln body inside is divided into multiple temperature control section by the jet chimney be distributed in kiln body 101 by primary drying kiln, each humidity province is under the control of the automatically controlled components and parts such as temperature sensor, each temperature control section can carry out the control of kiln body internal temperature by outside electrical control cubicles, the even of kiln temperature is reached again by the Stirring of cyclone cylinder 22, upper and lower without the temperature difference, atomising device is coordinated to gasify to water by described compressed air 32 to described water pipe 31, spray in kiln body, realize carrying out humidification in kiln body, simultaneously, electric control element also controls compressed air 32 and water route 31, thus the control reached kiln body 1 humidity.Track 41 in kiln body 101 can travel kiln car 42, and kiln car 42 loads needs dry catalyst, and the automatically-controlled door of kiln hood and kiln tail and kiln car, by automatically controlled program, complete overall dispensing flow process.Described dry kiln system has 120 kiln cars 42, and described kiln car 42 is promoted by hydraulic press.
Heat with the cooperation of steam and cyclone cylinder 22 and carry out that than traditional box static drying, thermostatic control carries out that the dry product energy consumption produced is low, output is large, the excellent rate of product reaches 100% from 85%, cost of labor is low, product is indeformable, drying time shortened to 5 days from 13 days, all production links adopt Automated condtrol, greatly save mankind's cost.
After completing primary drying operation, catalyst prod is placed on kiln car, and send into described kiln body 1 by described kiln car guide rail inner, described VFC axial flow blower 31 stirs the air-flow of described kiln body inside, makes kiln temperature even.Moisture in kiln body is discharged by the gravitation of blower fan by described dehumidification tube 32, the described jet chimney 2 pairs of products arranged in kiln are adopted to heat, all component all adopts electrical equipment control, can accurately to temperature, humidity, heat times etc. control, and after product completes drying, then by described kiln car, product are sent kiln body.
Claims (6)
1. a SCR catalyst drying system, comprise: primary drying kiln, redrying kiln, it is characterized in that: redrying kiln comprises: redrying kiln kiln body (1), jet chimney (2), VFC axial flow blower (31), MCS, kiln car guide rail (4), described redrying kiln kiln body (1) is tunnel type steel frame construction, kiln hood and the kiln tail of described redrying kiln kiln body (1) are open, its kiln body inside arranges the kiln car guide rail (4) of two these kiln bodies parallel, described kiln car guide rail (4) is provided with kiln car, described jet chimney (2) enters kiln body by described kiln body top and uniform in kiln body inside, described redrying kiln kiln body (1) top is provided with multiple stage VFC axial flow blower (31), described MCS comprises: blower fan, dehumidifying pipelines (32), and it is inner that described dehumidifying pipelines (32) is distributed in this kiln body, and described dehumidifying pipelines (32) is connected with blower fan,
Primary drying kiln comprises: primary drying kiln kiln body (101), product delivery system, gas cyclic control system, temperature control system, MCS, described primary drying kiln kiln body (101) is tunnel type, steel frame construction, kiln hood and the kiln tail of described primary drying kiln kiln body (101) are provided with automatic overhead door, described product delivery system is two long rails (1041) that be arranged in parallel in the inner left and right of described primary drying kiln kiln body (101), wheeled kiln car (1042) on described track, described gas cyclic control system arranges whirlwind band in the middle of described two long rails in primary drying kiln kiln body (101), described whirlwind band is made up of the cyclone cylinder (1022) of multiple uniform setting, described cyclone cylinder (1022) is for hollow and to be vertically suspended in kiln top and its length is gone directly bottom kiln from kiln top, described cyclone cylinder (1022) top connects motor (10221) and rotates, the surrounding of described cyclone cylinder (1022) is provided with air outlet (10224), described air outlet (10224) is communicated with described cyclone cylinder (1022) inside, described temperature control system arranges steam pipework (1021) in described primary drying kiln kiln body (101) inside, described steam pipework is the multistage groups of fins (10211) arranged along primary drying kiln kiln body (101) longitudinal divisions, every section of described groups of fins (10211) is uniformly distributed along kiln body sidewall, kiln top: described MCS is the spraying band longitudinally arranged along kiln body, described spraying band is the many injection spray pipe compositions vertically arranged, and the described injection spray pipe of every two is separately positioned on cyclone cylinder both sides, described MCS also comprises: water lines (1031) and compressed air line (1032) and atomising device.
2. a kind of SCR catalyst drying system according to claim 1, is characterized in that: the insulation of polyphenyl alkene warming plate is laid in described redrying kiln kiln body (1) outside.
3. a kind of SCR catalyst drying system according to claim 1, is characterized in that: the operation of the kiln car of described redrying kiln kiln body (1), MCS, VFC axial flow blower (31) and jet chimney adopt PLC to control.
4. a kind of SCR catalyst drying system according to claim 1, is characterized in that: polyphenyl alkene warming plate is wrapped up at surrounding and the top of described primary drying kiln kiln body (101) steel frame construction.
5. a kind of SCR catalyst drying system according to claim 1, it is characterized in that: the described cyclone cylinder (1022) of described primary drying kiln kiln body (101) is conical tube, described cyclone cylinder hollow cavity inside is provided with blade (10223), described blade is connected with motor (10221) by turning cylinder, described air outlet (10224) place is provided with wind-guiding bucket (10225), described wind-guiding bucket (10225) is channel-section steel, and described channel-section steel radially inserts described air outlet (10224) internal fixtion.
6. a kind of SCR catalyst drying system according to claim 1, is characterized in that: the described temperature control system of described primary drying kiln kiln body (101), MCS adopt temperature sensor, humidity sensor, electronic valve and executing agency to be controlled by PLC.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410447223.2A CN104215052B (en) | 2014-09-03 | 2014-09-03 | A kind of SCR catalyst drying system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410447223.2A CN104215052B (en) | 2014-09-03 | 2014-09-03 | A kind of SCR catalyst drying system |
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| CN104215052A CN104215052A (en) | 2014-12-17 |
| CN104215052B true CN104215052B (en) | 2016-04-20 |
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| CN201410447223.2A Expired - Fee Related CN104215052B (en) | 2014-09-03 | 2014-09-03 | A kind of SCR catalyst drying system |
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| CN113790588A (en) * | 2021-09-25 | 2021-12-14 | 辽宁宝来生物能源有限公司 | Drying kiln for needle coke |
Citations (6)
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| EP0024475A1 (en) * | 1979-08-22 | 1981-03-11 | Fuchs & Co. Aktiengesellschaft für Elektrodraht-Erzeugung und Maschinenbau | Process and apparatus for controlling the ventilation of an object to be dryed in a drying tunnel |
| CN201382659Y (en) * | 2009-03-05 | 2010-01-13 | 无锡市宜刚耐火材料有限公司 | Drying device for producing honeycomb-type DeNOx catalyst |
| CN201909512U (en) * | 2010-12-20 | 2011-07-27 | 成都东方凯特瑞环保催化剂有限责任公司 | Multi-functional catalyst-drying furnace |
| CN202947438U (en) * | 2012-10-26 | 2013-05-22 | 西安扩力机电科技有限公司 | Paper pulp egg tray automatic drying device |
| CN203657385U (en) * | 2013-12-06 | 2014-06-18 | 湖北大清捷能环保窑炉有限公司 | Secondary drying tunnel kiln for cellular SCR denitration catalyst |
| CN204286007U (en) * | 2014-09-03 | 2015-04-22 | 江苏宇达环保科技股份有限公司 | A kind of SCR catalyst drying system |
-
2014
- 2014-09-03 CN CN201410447223.2A patent/CN104215052B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0024475A1 (en) * | 1979-08-22 | 1981-03-11 | Fuchs & Co. Aktiengesellschaft für Elektrodraht-Erzeugung und Maschinenbau | Process and apparatus for controlling the ventilation of an object to be dryed in a drying tunnel |
| CN201382659Y (en) * | 2009-03-05 | 2010-01-13 | 无锡市宜刚耐火材料有限公司 | Drying device for producing honeycomb-type DeNOx catalyst |
| CN201909512U (en) * | 2010-12-20 | 2011-07-27 | 成都东方凯特瑞环保催化剂有限责任公司 | Multi-functional catalyst-drying furnace |
| CN202947438U (en) * | 2012-10-26 | 2013-05-22 | 西安扩力机电科技有限公司 | Paper pulp egg tray automatic drying device |
| CN203657385U (en) * | 2013-12-06 | 2014-06-18 | 湖北大清捷能环保窑炉有限公司 | Secondary drying tunnel kiln for cellular SCR denitration catalyst |
| CN204286007U (en) * | 2014-09-03 | 2015-04-22 | 江苏宇达环保科技股份有限公司 | A kind of SCR catalyst drying system |
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