CN107655284A - Novel natural gas multi-drum drier - Google Patents

Novel natural gas multi-drum drier Download PDF

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Publication number
CN107655284A
CN107655284A CN201710899130.7A CN201710899130A CN107655284A CN 107655284 A CN107655284 A CN 107655284A CN 201710899130 A CN201710899130 A CN 201710899130A CN 107655284 A CN107655284 A CN 107655284A
Authority
CN
China
Prior art keywords
natural gas
cylinder
drum drier
combustion chamber
heat
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
Application number
CN201710899130.7A
Other languages
Chinese (zh)
Inventor
李红兵
周跃邦
黄后辉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yancheng City Jishengda Environmental Protection Engineering Co Ltd
Original Assignee
Yancheng City Jishengda Environmental Protection Engineering Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Yancheng City Jishengda Environmental Protection Engineering Co Ltd filed Critical Yancheng City Jishengda Environmental Protection Engineering Co Ltd
Priority to CN201710899130.7A priority Critical patent/CN107655284A/en
Publication of CN107655284A publication Critical patent/CN107655284A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B11/00Machines or apparatus for drying solid materials or objects with movement which is non-progressive
    • F26B11/02Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles
    • F26B11/028Arrangements for the supply or exhaust of gaseous drying medium for direct heat transfer, e.g. perforated tubes, annular passages, burner arrangements, dust separation, combined direct and indirect heating
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B11/00Machines or apparatus for drying solid materials or objects with movement which is non-progressive
    • F26B11/02Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles
    • F26B11/04Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis
    • F26B11/0404Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis with internal subdivision of the drum, e.g. for subdividing or recycling the material to be dried
    • F26B11/0413Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis with internal subdivision of the drum, e.g. for subdividing or recycling the material to be dried the subdivision consisting of concentric walls, e.g. multi-pass or recirculation systems; the subdivision consisting of spiral-shaped walls
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B11/00Machines or apparatus for drying solid materials or objects with movement which is non-progressive
    • F26B11/02Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles
    • F26B11/04Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis
    • F26B11/0463Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis having internal elements, e.g. which are being moved or rotated by means other than the rotating drum wall
    • F26B11/0477Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis having internal elements, e.g. which are being moved or rotated by means other than the rotating drum wall for mixing, stirring or conveying the materials to be dried, e.g. mounted to the wall, rotating with the drum
    • F26B11/0486Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis having internal elements, e.g. which are being moved or rotated by means other than the rotating drum wall for mixing, stirring or conveying the materials to be dried, e.g. mounted to the wall, rotating with the drum the elements being held stationary, e.g. internal scraper blades
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/001Drying-air generating units, e.g. movable, independent of drying enclosure
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/004Nozzle assemblies; Air knives; Air distributors; Blow boxes
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00Details of general application not covered by group F26B21/00 or F26B23/00
    • F26B25/04Agitating, stirring, or scraping devices
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00Details of general application not covered by group F26B21/00 or F26B23/00
    • F26B25/06Chambers, containers, or receptacles
    • F26B25/14Chambers, containers, receptacles of simple construction
    • F26B25/16Chambers, containers, receptacles of simple construction mainly closed, e.g. drum

Abstract

The invention discloses a kind of novel natural gas multi-drum drier, including compound cylinder, transmission device, natural gas combustion device, guiding device, compound cylinder is set with and formed with one heart by the outer barrel, middle cylinder, inner cylinder of different-diameter from big to small;Natural gas combustion device includes combustion chamber, the combustor being arranged in combustion chamber, and caused flame is spurted into combustion chamber after the natural gas that natural gas line is passed through enters combustor burning, one end of combustion chamber radiating tube;The other end connection feeding cylinder of radiating tube, inner cylinder center are provided with guiding device, and the other end of radiating tube is located in antipriming pipe.The present invention is improved to the equipment of existing multi-drum drier, using origin of heat of the natural gas as burning, environmental protection;Increase the heat transfer area in drying, improve rate of drying;Heat caused by effective recycling combustion of natural gas, avoids the waste of heat.

Description

Novel natural gas multi-drum drier
Technical field
The present invention relates to drying unit field, specially a kind of novel natural gas multi-drum drier.
Background technology
Multi-drum drier is widely used in building materials, metallurgy, chemical industry, cement industry, for drying slag lime stone, coal dust, ore deposit The materials such as slag, clay.
The primary structure of existing multi-drum drier is:Mainly include the more cylinders of combined type, transmission device, heating plant, The more cylinders of combined type include the outer barrel of different-diameter, middle cylinder, inner cylinder from big to small, and suit forms with one heart;Transmission device mainly includes Motor and wheel holding mechanism;Heating plant includes hot-blast stove, blower fan.Operation principle is:Wet stock enters revolution by feeding device and rolled The internal layer of cylinder, realize that following current is dried, material is constantly taken up under the flight of internal layer, the helically travelling that is scattered realizes heat exchange, The other end that material is moved to internal layer enters middle level, carries out adverse current drying, and material is constantly raised into being in into two repeatedly in middle level The traveling mode of backward is walked, material had both fully absorbed the heat that internal layer roller distributes in middle level, absorbed the heat of middle level roller again Amount, while drying time is extended again, material reaches optimum drying state herein.Material row is fallen into outer to the middle level other end Layer, material rectangular multiloop mode in outer layer roller advances, and reaches the material of the drying effect quick row under hot blast effect Enter to discharge roller, the wet stock for being not reaching to drying effect is unable to Fast marching because of deadweight, and material enters in this rectangle flight Row is fully dried, and thus completes drying purpose.The heating plant wherein used is mainly that hot-blast stove produces hot blast, and heat is mainly warm It is delivered in dryer, material is dried by heat transfer, thermal convection current, heat radiation.
But there is problems with three-cylinder drier of the prior art when in use:1st, drying plant at this stage is mostly Electric oven is dry or is dried by hot-blast stove, and hot-blast stove provides hot blast using burning coal, and the structure of drying oven is mostly It is made up of combustion chamber and blower fan, this hot blast mode energy loss is big, seriously pollutes environment, and in all parts of the country at present because environment is dirty Dye problem, the use of various coal-burning boilers is limited comprehensively;With electrical heating, cost is higher, and is mostly by burning generation ability Hair point is carried out, then produces heat energy by electric power and is dried, the step of adding energy conversion, is easily made in transfer process Into energy loss, therefore requirement when prior art can not meet drying well, therefore there is an urgent need to dryer is carried out Improvement;2nd, existing drying unit uses hot-air seasoning, and the more tube structures of combined type of dryer are set, and easily cause gas not Circulation, drying effect weaken;The heat exchange of material and high-temperature hot-air is uneven, influences drying effect.Therefore, it is badly in need of a kind of new day Right gas multi-drum drier.
The content of the invention
To solve the above problems, the invention discloses a kind of novel natural gas multi-drum drier.Existing more are dried The equipment of machine is improved, and using origin of heat of the natural gas as burning, reduces sulfur dioxide, an oxygen caused by coal burning Change the discharge of the toxic and harmful gas such as carbon, reduce the cost of exhaust-gas treatment, environmental protection;Increase the heat transfer area in drying, Improve rate of drying;Heat caused by effective recycling combustion of natural gas, avoids the waste of heat.
In order to reach object above, the present invention provides following technical scheme:
A kind of novel natural gas multi-drum drier, including compound cylinder, transmission device, natural gas combustion device, guiding device, it is multiple Formula cylinder is set with and formed with one heart by the outer barrel, middle cylinder, inner cylinder of different-diameter from big to small;The outer barrel, middle cylinder and inner cylinder it is interior Spiral lifting blade is respectively arranged with wall, transmission device is provided with the downside of the compound cylinder;The natural gas combustion device bag Combustion chamber, the combustor being arranged in combustion chamber are included, the combustor connects natural gas, the natural gas by natural gas line Caused flame is spurted into combustion chamber after the natural gas that pipeline is passed through enters combustor burning, the combustion chamber radiating tube One end;The feed end connection feeding cylinder of the inner cylinder, the discharge end of the inner cylinder communicate with the feed end of middle cylinder, the middle cylinder Discharge end communicated with the feed end of outer barrel, the discharge end of outer barrel connection discharge barrel, the other end connection of the radiating tube Feeding cylinder, the hot gas of the interior discharge of radiating tube are dried from feeding cylinder into inner cylinder to material;The inner cylinder center is provided with Guiding device, the guiding device include antipriming pipe, the piece of breaing up being arranged on the outside of antipriming pipe, the other end position of the radiating tube In in antipriming pipe.
Further, it is provided with temperature detector on the inside of the outer barrel.Temperature detector can monitor the temperature in dryer at any time Degree, avoids temperature is too high from being impacted to material, while when temperature is relatively low, raises temperature.
Further, it is provided with heat-insulation layer on the outside of the radiating tube.Heat-insulation layer is made using insulation material, effectively avoids heat Amount is scattered and disappeared.
Further, the piece of breaing up includes breaing up piece so that antipriming pipe die center is symmetrically arranged, and the piece of breaing up is consolidated Surely it is welded on the outside of antipriming pipe.
Further, the novel natural gas multi-drum drier is additionally provided with moistureproof window, and the moistureproof window installs blast pipe, institute State blast pipe connection exhaust blower.Hydrofuge machine can effectively discharge the moisture in dryer.
The combustor connection natural gas of natural gas combustion device, hot gas caused by combustion of natural gas are connected by combustion chamber Radiating tube be transported in the inner cylinder of compound cylinder, realize the drying to wet stock, natural gas combustion device is used to provide hot gas, Compared with prior art, environmental protection, economize on resources, rationally make use of hot gas, avoid the waste of hot gas.Transmission device is used for multiple The rotation of formula cylinder, wet stock are entered in inner cylinder from feeding cylinder, realize that following current is dried, the lifting blade through inner cylinder is kicked up, constantly Take up, the helically travelling that is scattered realizes heat exchange, material is moved to the discharge end of inner cylinder, enters middle cylinder, then proceed into Row adverse current is dried, and material is constantly raised into, material repeatedly in middle cylinder had both fully absorbed the heat that inner cylinder distributes in middle cylinder, inhaled again The heat of cylinder in receipts, while heat exchange is carried out with hot gas, while drying time is extended again, material reaches optimum drying shape herein State, then therefrom the discharge end of cylinder enters outer barrel, continues to carry out heat transfer with hot gas, and fully absorb the heat of middle cylinder.Heat Gas is uniformly dispersed to the inside of compound cylinder, and hot gas carries out thermal convection current with the air in compound cylinder so that whole compound Temperature rise in cylinder, material heating surface area is uniform, not only increases the contact area of material and hot-air, improves drying Speed, while contact of the material with hot-air is uniform so that drying materials are uniform, will not cause to dry irregular.Moisture is by air draft Outside machine discharge machine, reach drying effect.Material after the completion of drying is discharged from discharge barrel.Piece of breaing up on guiding device can be favourable In breaing up wet stock, avoid wet stock into sticking together, into the material to stick together inside be difficult to touch hot gas, drying effect is reduced, therefore is beaten Discrete piece can effectively solve this problem.More pores protection radiating tube of guiding device simultaneously, avoids wet stock from blocking radiating tube Gas outlet.Whole device is rational in infrastructure, efficiency high, noise are low, safe and reliable.
In summary, it is an advantage of the invention that:The equipment of existing multi-drum drier is improved, made using natural gas For the origin of heat of burning, the discharge of the toxic and harmful gas such as sulfur dioxide, carbon monoxide caused by coal burning is reduced, is reduced The cost of exhaust-gas treatment, environmental protection;Increase the heat transfer area in drying, improve rate of drying;It is effective to recycle day Heat caused by right gas burning, avoids the waste of heat.
Brief description of the drawings
Fig. 1, the present invention structural representation(Do not include natural gas combustion device);
Fig. 2, the present invention structural representation(Including natural gas combustion device)
Fig. 3, the present invention natural gas combustion device structural representation.
Wherein:Compound cylinder 1, transmission device 2, natural gas combustion device 3, combustion chamber 31, combustor 32, protective cover 33, Natural gas line 34, guiding device 4, antipriming pipe 41, break up piece 42, outer barrel 5, middle cylinder 6, inner cylinder 7, external spiral formula lifting blade 8, in Spiral lifting blade 9, inner-spiral type lifting blade 10, radiating tube 11, moistureproof window 12, blast pipe 13, blower fan 14, temperature detector 15。
Embodiment
With reference to the accompanying drawings and detailed description, the present invention is furture elucidated, it should be understood that following embodiments are only For illustrating the present invention rather than limitation the scope of the present invention.
As shown in Figure 1, Figure 2, Figure 3 shows, a kind of novel natural gas multi-drum drier, including compound cylinder 1, transmission device 2, day Right gas burner 3, guiding device 4, compound cylinder are set with one heart by the outer barrel 5, middle cylinder 6, inner cylinder 7 of different-diameter from big to small Form;It is fixed on the inwall of outer barrel to weld external spiral formula lifting blade 8, spiral lifting blade 9 in welding is fixed on the inwall of middle cylinder, The inwall of inner cylinder fixes welding inner-spiral type lifting blade 10.Transmission device is provided with the downside of compound cylinder, in the present embodiment, transmission Device includes the rack for being arranged on outer drum outer wall both sides, and rack bottom is provided with from gear motor, gear motor and company is engaged with rack Connect.Additional pad is provided between rack and outer barrel main body, additional pad is fixed on welding outer barrel.
Natural gas combustion device includes combustion chamber 31, the combustor 32 being arranged in combustion chamber, in order to avoid disappearing for heat Consumption, is provided with protective cover 33 between combustor and combustion chamber.Combustor connects natural gas, natural gas tube by natural gas line 34 Caused flame is spurted into combustion chamber after the natural gas that road is passed through enters combustor burning, and the one of combustion chamber radiating tube 11 End;The feed end connection feeding cylinder of inner cylinder, the discharge end of inner cylinder communicates with the feed end of middle cylinder, the discharge end of middle cylinder and outer barrel Feed end communicates, the discharge end connection discharge barrel of outer barrel, the other end connection feeding cylinder of radiating tube, the hot gas of discharge in radiating tube Material is dried from feeding cylinder into inner cylinder;Inner cylinder center is provided with guiding device, guiding device include antipriming pipe 41, It is fixedly welded on the outside of antipriming pipe and breaks up piece 42, breaks up piece and set 14, and tapered be evenly distributed on antipriming pipe.Radiating The other end of pipe is located in antipriming pipe.
In the present embodiment, it is provided with heat-insulation layer on the outside of radiating tube.Heat-insulation layer is made using insulation material, effectively avoids heat Amount is scattered and disappeared.
In the present embodiment, further, it is provided with temperature detector 15 on the inside of the outer barrel.Temperature detector can supervise at any time The temperature surveyed in dryer, avoids temperature is too high from being impacted to material, while when temperature is relatively low, raises temperature.
In the present embodiment, breaing up piece includes breaing up piece so that antipriming pipe die center is symmetrically arranged, and the piece of breaing up is consolidated Surely it is welded on the external diameter of antipriming pipe, it is described to break up piece.
In the present embodiment, novel natural gas multi-drum drier is additionally provided with moistureproof window 12, moistureproof window installation blast pipe 13, row Tracheae connects exhaust blower 14.
Technological means disclosed in the present invention program is not limited only to the technological means disclosed in above-mentioned embodiment, in addition to Formed technical scheme is combined by above technical characteristic.It should be pointed out that for those skilled in the art For, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications are also considered as Protection scope of the present invention.

Claims (5)

1. a kind of novel natural gas multi-drum drier, including compound cylinder, transmission device, natural gas combustion device, guiding device, Compound cylinder is set with and formed with one heart by the outer barrel, middle cylinder, inner cylinder of different-diameter from big to small;The outer barrel, middle cylinder and inner cylinder Spiral lifting blade is respectively arranged with inwall, transmission device is provided with the downside of the compound cylinder, it is characterised in that:It is described natural Gas burner includes combustion chamber, the combustor being arranged in combustion chamber, and the combustor is connected natural by natural gas line Gas, caused flame is spurted into combustion chamber after the natural gas that the natural gas line is passed through enters combustor burning, the combustion Burn one end of room connection radiating tube;The feed end connection feeding cylinder of the inner cylinder, the charging of the discharge end of the inner cylinder and middle cylinder End communicates, and the discharge end of the middle cylinder communicates with the feed end of outer barrel, the discharge end connection discharge barrel of the outer barrel, the radiating The other end connection feeding cylinder of pipe, the hot gas of the interior discharge of radiating tube are dried from feeding cylinder into inner cylinder to material;In described Cylinder center is provided with guiding device, and the guiding device includes antipriming pipe, the piece of breaing up being arranged on the outside of antipriming pipe, described to dissipate The other end of heat pipe is located in antipriming pipe.
A kind of 2. novel natural gas multi-drum drier as claimed in claim 1, it is characterised in that:Temperature is provided with the inside of the outer barrel Spend detector.
A kind of 3. novel natural gas multi-drum drier as claimed in claim 1, it is characterised in that:It is provided with the outside of the radiating tube Heat-insulation layer.
A kind of 4. novel natural gas multi-drum drier as claimed in claim 1, it is characterised in that:The piece of breaing up is included with more Hole pipe die center is symmetrically arranged to break up piece, the outside broken up piece and be fixedly welded on antipriming pipe.
A kind of 5. novel natural gas multi-drum drier as claimed in claim 1, it is characterised in that:More of the novel natural gas Dryer is additionally provided with moistureproof window, and the moistureproof window installs blast pipe, and the blast pipe connects exhaust blower.
CN201710899130.7A 2017-09-28 2017-09-28 Novel natural gas multi-drum drier Pending CN107655284A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710899130.7A CN107655284A (en) 2017-09-28 2017-09-28 Novel natural gas multi-drum drier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710899130.7A CN107655284A (en) 2017-09-28 2017-09-28 Novel natural gas multi-drum drier

Publications (1)

Publication Number Publication Date
CN107655284A true CN107655284A (en) 2018-02-02

Family

ID=61117229

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710899130.7A Pending CN107655284A (en) 2017-09-28 2017-09-28 Novel natural gas multi-drum drier

Country Status (1)

Country Link
CN (1) CN107655284A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113262947A (en) * 2021-05-18 2021-08-17 长园泽晖新能源材料研究院(珠海)有限公司 Air suspension type coating device for oily PVDF coating system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113262947A (en) * 2021-05-18 2021-08-17 长园泽晖新能源材料研究院(珠海)有限公司 Air suspension type coating device for oily PVDF coating system

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Application publication date: 20180202