CN202853302U - Vertical type dryer - Google Patents
Vertical type dryer Download PDFInfo
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- CN202853302U CN202853302U CN 201220488801 CN201220488801U CN202853302U CN 202853302 U CN202853302 U CN 202853302U CN 201220488801 CN201220488801 CN 201220488801 CN 201220488801 U CN201220488801 U CN 201220488801U CN 202853302 U CN202853302 U CN 202853302U
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Abstract
The utility model discloses a vertical type dryer which comprises a case, material channels are arranged around the internal part of the case, and material flow-guide boards are arranged inside the material channels. The material flow-guide boards comprise inner flow-guide boards and outer flow-guide boards, the space surrounded by the inner flow-guide boards is an inner air flow channel, the space surrounded by the outer flow-guide boards and the outer wall of the case is an outer air flow channel, the upper end of the inner air flow channel is connected with an air inlet channel, and the lower end of the inner air flow channel is connected with an air discharge channel. The vertical type dryer utilizes tail gases of kilns sufficiently for drying, and changes the waste tail gases to be valuable through comprehensive utilization, protects environment, and overcomes the problems that a traditional dryer is large in occupied area, high in breakage rate, high in energy consumption, large in investment for once and the like, reduces breakage rate of materials, effectively improves drying rate, and reduces production cost.
Description
Technical field
The utility model relates to a kind of material drying device, relates in particular to a kind of tower drier.
Background technology
The drying course of material is material and the direct heat exchange of hot gas process, process with surface moisture evaporation in the material, and the equipment that is used for oven dry is a lot, mainly contains: rotary drum drying machine, gravity type drying kiln, flow-type dryer, boiled bed dryer, traditional vertical dryer and novel automatic tower drier etc.
At present using more at metallurgy industry is rotary drum drying machine, and rotary drum drying machine is divided into monotubular, the bitubular and three; The drying mode of dryer has downflow type and reverse-flow two kinds.The advantage of rotary drum drying machine is that production capacity is large, but continued operation is simple in structure; Shortcoming is that equipment is huge, and one-time investment is many, installs, dismantles difficulty, and heat loss is larger, and the thermal efficiency is low, and breakage rate is excessive.Such as the novel charcoal of calcium carbide industry-blue charcoal, the intensity of blue charcoal is relatively poor, and breakage rate is higher when drying with rotary drum drying machine.
The utility model content
The technical problems to be solved in the utility model, being to provide a kind of can carry out sufficient heat exchange to material, and can reduce the tower drier of material breakage rate.
In order to solve the problems of the technologies described above, the utility model provides a kind of tower drier, include cabinet, be provided with material channel around the described cabinet inside, be provided with the material diversion plate in the described material channel, described material diversion plate includes interior deflector and outer deflector, the space that described interior deflector encloses is the air-flow inner passage, the space that described outer deflector and cabinet outer wall enclose is the air-flow external channel, described air-flow external channel is provided with blast fence, the upper end of described air-flow inner passage is connected with inlet channel, and the lower end of described air-flow inner passage is connected with the exhaust passage.
Further, described cabinet top is provided with feeding warehouse, and described cabinet bottom is provided with discharging bin.
Further, the upper end of described cabinet inside is provided with storage bin, and described storage bin is connected with feeding warehouse.
Further, the bottom of described feeding warehouse is provided with push-pull valve, is provided with level-sensing device in the described storage bin, and described push-pull valve is connected with level-sensing device.
Further, the top of described inlet channel is provided with tripper, and described tripper is over against the end opening of feeding warehouse.
Further, described tripper is the rectangular pyramid structure.
Further, the horizontal cross-section of the bottom size of described tripper and air-flow inner passage is measure-alike, the feather edge that is lower than tripper suitable for reading of described material channel.
Further, described air-flow is provided with at least one air deflector in the inner passage, and described air deflector is the rectangular pyramid structure.
Further, described air deflector is three, and the horizontal cross-section of the bottom size of described air deflector and air-flow inner passage is measure-alike.
Further, be provided with electromagnetic feeder on the described discharging bin, be provided with Temperature sampler and humidity sensor in the described cabinet, described electromagnetic feeder is connected with humidity sensor with Temperature sampler.
The utility model takes full advantage of kiln tail gas and carries out drying; the tail gas comprehensive utilization of kiln is turned waste into wealth; protected environment; overcome also that traditional dryer floor space is large, breakage rate is high, energy consumption is high, once invest the problems such as large; reduced the material breakage rate; effectively improve drying efficiency, reduced production cost.
Description of drawings
Fig. 1 is the structural representation of the utility model tower drier one embodiment;
Fig. 2 is the process chart of the utility model tower drier.
Among the figure, 1. material channel, 2. material diversion plate, 21. outer deflectors, 22. interior deflectors, 3. air-flow inner passage, 31. air-flow external channels, 4. inlet channel, 5. exhaust passage, 6. feeding warehouse, 7. discharging bin, 8. storage bin, 9. tripper, 10. air deflector, 11. blast fences.
The specific embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments, so that those skilled in the art can better understand the utility model and being implemented, but illustrated embodiment is not as to restriction of the present utility model.
As shown in Figure 1, structural representation for the utility model tower drier one embodiment, include cabinet, be provided with material channel 1 around the described cabinet inside, be provided with material diversion plate 2 in the described material channel 1, described material diversion plate 2 includes outer deflector 21 and interior deflector 22, the space that described interior deflector 22 encloses is air-flow inner passage 3, described outer deflector 21 is air-flow external channel 31 with the space that the cabinet outer wall encloses, described air-flow external channel 31 is provided with blast fence 11, the upper end of described air-flow inner passage 3 is connected with inlet channel 4, and the lower end of described air-flow inner passage 3 is connected with exhaust passage 5.
The setting of described blast fence 11 is directly descending in air-flow external channel 31 for fear of high temperature gas flow, but the high temperature gas flow guiding is flowed into air-flow inner passage 3, so just well finished the gas conversion of air-flow external channel 31 with air-flow inner passage 3, in this process, high-temperature gas is to be horizontally through material to carry out heat exchange.
Material is from top to bottom realized global displacement by gravity in material channel 1, too fast for fear of the material landing, can not reach fully the effect of oven dry, in material channel 1, be staggeredly equipped with material diversion plate 2, slowed down the falling speed of material, guarantee fully contacting of material and high temperature gas flow, reached desirable drying effect.
Described cabinet top is provided with feeding warehouse 6, described cabinet bottom is provided with discharging bin 7, and material enters cabinet by feeding warehouse 6, and oven dry is discharged by discharging bin 7 in cabinet, the upper end of described cabinet inside is provided with storage bin 8, and described storage bin 8 is connected with feeding warehouse 6.
The bottom of described feeding warehouse 6 is provided with push-pull valve, be provided with level-sensing device in the described storage bin 8, described push-pull valve is connected with level-sensing device, described push-pull valve is electric liquid push-pull valve, level-sensing device in electricity liquid push-pull valve and the storage bin 8 is chain, when the material in the storage bin 8 is finished when a certain amount of, this moment, push-pull valve was opened, and material (blue charcoal) is because Action of Gravity Field falls into the storage bin 8 of cabinet.The utility model is taked encapsulation process to each interface of feeding warehouse 6, has prevented the infiltration of air, has well solved the traditional vertical dryer because the infiltration of air causes the problem of catching fire.
The top of described inlet channel 4 is provided with tripper 9, described tripper 9 is over against the end opening of feeding warehouse, in the present embodiment, described tripper 9 is the rectangular pyramid structure, material (blue charcoal) by feeding warehouse 6 to coming downwards to tripper 9, through the material-distributing action of tripper 9, material to around evenly landing enter in the material channel 1 of cabinet, material is slowly descending by contacting to carry out the heat exchange drying with the high temperature gas flow that flows downward direct.
The horizontal cross-section of the bottom size of described tripper 1 and air-flow inner passage 3 is measure-alike, and the feather edge that is lower than tripper 9 suitable for reading of described material channel 1 has been guaranteed that all materials can both enter in the material channel 1, thereby can both have been reached the purpose of oven dry.
Be provided with at least one air deflector 10 in the described air-flow inner passage 1, in the present embodiment, described air deflector 10 is the rectangular pyramid structure, described air deflector 10 is three, a top that is arranged on air-flow inner passage 3 consists of top air deflector 10, another middle part that is arranged on air-flow inner passage 3 consists of middle part air deflector 10, and another consists of bottom air deflector 10 in the bottom that is arranged on air-flow inner passage 3.
High temperature gas flow enters air-flow inner passage 3 by inlet channel 4, and high temperature gas flow utilizes the shunting action of top air deflector 10 at first through top air deflector 10, allows high temperature gas flow equably to flowing all around, enters in the material channel 1; High temperature gas flow contacts with the material following current in material channel 1, take away moisture by heat exchange, be provided with blast fence 11 in the material channel 1, because the effect of blast fence 11 forces the past air-flow inner passage 3 of high temperature gas flow to be flowed, when high temperature gas flow flow to air-flow inner passage 3, under the effect of middle part air deflector 10, high temperature gas flow continues to two side flow and descending, another carries out the following current heat exchange, when high temperature gas flow during through bottom air deflector 10, the suction that is arranged on the outside air-introduced machine of cabinet causes flue, and 5 discharge through the exhaust passage.
Because the material in the material channel 1 can enter into gas channel 3 through the space of material diversion plate 2, therefore the horizontal cross-section of the bottom size of air deflector 10 and gas channel 3 is measure-alike, and air deflector 10 is the rectangular pyramid structure, so just can guarantee to enter the material of gas channel 3, can both return in the material channel 1 through the slope of air deflector 10.
Be provided with electromagnetic feeder on the described discharging bin 7, be provided with Temperature sampler and humidity sensor in the described cabinet, described electromagnetic feeder is connected with humidity sensor with Temperature sampler.
The utility model is take blue charcoal oven dry as example, blue charcoal is commonly called as semicoke, blue carbon structure is block, granularity is generally more than 3mm, color is light/dark balance, has fixed carbon high, higher than resistance, chemism is high, contain ash low, aluminium is low, sulphur is low, the characteristic that phosphorus is low, progressively replace metallurgical coke and be widely used in calcium carbide (calcium carbide industry requirement granularity is 5～25mm), ferroalloy, ferrosilicon, in the production of the products such as carborundum, become a kind of irreplaceable material, but intensity and the crush resistance of blue charcoal are poor, and exist in the common blue charcoal stoving process: blue charcoal breakage rate is high, and moisture is difficult to control, and easily catch fire the large technical barrier that waits of fluctuation.
Technological process of the present utility model is, at first by conveyer blue charcoal delivered to feeding warehouse 6, and feeding warehouse 6 bottoms are provided with electric liquid push-pull valve, and are chain with the level-sensing device in the storage bin 8; Open push-pull valve, blue charcoal is because gravity falls into storage bin 8, and blue charcoal comes downwards to tripper 9 by storage bin 8, and blue charcoal enters in the cabinet material channel 1 all around uniformly, and high temperature gas flow is entered in the air-flow inner passage 3 by inlet channel 4 simultaneously.
Blue charcoal slowly descending high temperature gas flow with flowing downward mixes, and directly carries out dry heat exchange and processes, and moisture is pulled away with high temperature gas flow in heat transfer process, has realized for the first time heat exchange.The advantage of this technique is that the high temperature gas flow (280 ℃) that has just entered the higher blue charcoal of drying section water content and entrance carries out direct heat transfer, has removed most of moisture; Again to intermediate flow, avoid high temperature gas flow to contact with blue charcoal for a long time through material diversion plate 2 thermal currents, cause and catch fire.
When high temperature gas flow flow to air-flow inner passage 3 again, carry out the heat exchange second time with material; Through the shunting action of middle part air deflector 10, high temperature gas flow enters material channel 1 again, realizes for the third time heat exchange; Because the effect of air deflector 10 and device external air-introduced machine impels high temperature gas flow to flow downward, through the shunting of bottom air deflector 10, continuation and blue charcoal carry out heat exchange, have realized the 4th heat exchange; The blue charcoal that oven dry is finished enters discharging bin, falls on the conveyer belt through electro-vibrating feeder, delivers to feed bin and store after the slide sieve screening.High temperature gas flow by exhaust passage 5, enters deduster through heat exchange, then discharges through chimney.
Temperature acquisition point of the present utility model is nine places, and temperature and the pressure signal of collection are delivered to master-control room.The measurement data of Temperature sampler and humidity sensor has determined the running status of electromagnetic feeder, when humidity less than 1%, (high temperature gas flow temperature: 125～135 ℃ when outlet temperature is higher, outlet material temperature: 80～90 ℃) will automatically regulate the frequency converter of electromagnetic feeder, realize the control to temperature of charge, humidity and output.
The utlity model has following advantage:
1. economize on electricity: the utility model tower drier is by bucket elevator material to be delivered to feeding warehouse 6, automatically opens the sluices by level-sensing device and puts coal.Putting coal is to rely on the material self gravitation to descend to dry, and adopts adjustable damping coefficient, has not only effectively controlled airborne dust, has avoided wind-tunnel, but also has saved a large amount of power of environment friendly system.Compare with φ 2.4 * 18m rotary dryer with the output drier, can economize on electricity 5-10KW, every day of siccative per ton can save the above electric energy of 3000KWh.
2, energy-conservation: the utilization of the utility model tower drier be the waste gas that industry effluxes, reduced energy resource consumption and equipment input, reduced production cost and be conducive to environmental protection.Be material channel 1 around the utility model air-flow inner passage 3, distributing of any heat all must be by needing the material of oven dry.Thereby overcome with a large amount of hot-air filter materials, the low shortcoming of heat utilization rate.Can regard as, the utility model tower drier is to filter hot-air with a large amount of materials, and its heat utilization rate can be up to more than 96%.Same output tower drier is compared with φ 2.4 * 18m rotary dryer, and the rotary drum drying machine combustor of per hour saving the blue charcoal coal gas 1200Nm3/h(monotubular 15/h of calorific value 1900kcal needs coal gas amount 2000 Nm
3/ h, the rotary drum drying machine combustor of three 15/h need coal gas amount 3000 Nm
3/ h, and the utility model tower drier combustor needs coal gas amount 799 Nm
3/ h).
3, dries quantity: the utility model tower drier is to control material infinitely variable speeds discharge system according to the detection system of drying materials, reaching quality control and output coordinates, and can change at any time drying requirement and effectively control dries quantity, thereby solved because of the initial unstable problem that affects dries quantity of moisture.No matter the initial moisture of material is much, the water content after the oven dry all can be adjusted and be controlled at any time.
4, adaptability: the utility model tower drier adopts the automation control to temperature, humidity switched system, not only effectively controls dries quantity, stops to get stuck, putty occurs, and significantly improved the adaptability of equipment to various different moisture content materials.
5, environment protection emission: the utility model tower drier utilizes kiln tail gas to carry out drying for thermal source, a large amount of materials is filtering hot-air, and good airproof performance and dedusting are more perfect, wind-tunnel and airborne dust have thoroughly been avoided, the machine carries dust arrester installation (shutter deduster) and need not to establish in addition environmental protection equipment, and dust emission is up to standard.Changed the situation that traditional dryer environmental protection equipment investment is large, operating cost is high.
6, plant maintenance: the utility model tower drier adopts a whole set of automated system of heat supply, Detection ﹠ Controling, makes the production capacity of equipment and maintenance reach coordination.Under normal operating condition, equipment was used maintenance hardly in 3～5 years.So not only improved the running rate of equipment, also reduced greatly the maintenance cost of equipment simultaneously, its maintenance cost approximately is 1/10th of rotary dryer.
7, floor space and investment: the utility model tower drier is to adopt vertical and built-in heating equipment, and floor space is 20% of rotary dryer, and the design of science is not only rational in infrastructure, and for using the investment of minimizing system of producer more than 50%.
8, production operation: the whole stoving process of the utility model tower drier adopts automation detection, automatic control system fully, both can realize that central centralized Control also can the unit independent operating, not only alleviate labor strength, and make this equipment failure rate is low in process of production, maintenance is little, quality, output, energy consumption are coordinated more, more rationally, science more.
9, production cost is low: the utility model tower drier has overcome the excessive problem of rotary drum drying machine breakage rate, has effectively lowly reduced production cost, compare rotary drum drying machine annual save 6,080 ten thousand yuan of costs (take dry 500,000 tons of blue charcoal finished products as).
The technique contrast table 1 of the utility model tower drier and other dryers:
The investment of the utility model tower drier and other dryers and production cost contrast table 2:
The saving cost contrast table 3 of the utility model tower drier and other dryers:
Annotate: compare 900 yuan/tons of the blue charcoal market prices of wet basis, 500 yuan/tons in blue charcoal foam coal need dry 500,000 tons of finished products of blue charcoal year as example.
" contrast difference " is the difference of benchmark for the total cost of the total cost of other dryer and drier.
Can find out from investment and production cost contrast table 2, the power consumption per ton of monotubular rotary drum drying machine is 14.4KWh, and three rotary drum drying machine power consumption per ton are 20KWh, traditional vertical drying tower 15 KWh, novel vertical dryer 10 KWh.The novel vertical dryer is saved electric energy: 180*24*300=129.6 ten thousand KWh than three rotary drum drying machine year operations, saves coal gas 2201*24*300=1584.72 ten thousand Nm
3(calorific value of gas 1900Kcal, year days running was calculated by 300 days).See by the statistics to the saving cost contrast table 3 of the utility model tower drier and other dryers, increased the consumption of blue charcoal because of breakage rate, the quantitative change of this part increase has been become cheap blue charcoal foam coal, and damaged blue charcoal foam can't be as the raw material of wood-charcoal utilization, heat supply can only act as a fuel.Therefore the expense that produces with regard to monotubular dryer breakage rate is just Duoed for 6,080 ten thousand/year than tower drier.So the utility model tower drier has very large advantage aspect energy-conservation.
The above embodiment is the preferred embodiment that proves absolutely that the utility model is lifted, and protection domain of the present utility model is not limited to this.Being equal to that those skilled in the art do on the utility model basis substitutes or conversion, all within protection domain of the present utility model.Protection domain of the present utility model is as the criterion with claims.
Claims (10)
1. tower drier, it is characterized in that, include cabinet, be provided with material channel around the described cabinet inside, be provided with the material diversion plate in the described material channel, described material diversion plate includes interior deflector and outer deflector, the space that described interior deflector encloses is the air-flow inner passage, the space that described outer deflector and cabinet outer wall enclose is the air-flow external channel, described air-flow external channel is provided with blast fence, the upper end of described air-flow inner passage is connected with inlet channel, and the lower end of described air-flow inner passage is connected with the exhaust passage.
2. tower drier according to claim 1 is characterized in that, described cabinet top is provided with feeding warehouse, and described cabinet bottom is provided with discharging bin.
3. tower drier according to claim 2 is characterized in that, the upper end of described cabinet inside is provided with storage bin, and described storage bin is connected with feeding warehouse.
4. tower drier according to claim 3 is characterized in that, the bottom of described feeding warehouse is provided with push-pull valve, is provided with level-sensing device in the described storage bin, and described push-pull valve is connected with level-sensing device.
5. tower drier according to claim 2 is characterized in that, the top of described inlet channel is provided with tripper, and described tripper is over against the end opening of feeding warehouse.
6. tower drier according to claim 5 is characterized in that, described tripper is the rectangular pyramid structure.
7. tower drier according to claim 6 is characterized in that, the horizontal cross-section of the bottom size of described tripper and air-flow inner passage is measure-alike, the feather edge that is lower than tripper suitable for reading of described material channel.
8. tower drier according to claim 1 is characterized in that, described air-flow is provided with at least one air deflector in the inner passage, and described air deflector is the rectangular pyramid structure.
9. tower drier according to claim 8 is characterized in that, described air deflector is three, and the horizontal cross-section of the bottom size of described air deflector and air-flow inner passage is measure-alike.
10. tower drier according to claim 2 is characterized in that, is provided with electromagnetic feeder on the described discharging bin, is provided with Temperature sampler and humidity sensor in the described cabinet, and described electromagnetic feeder is connected with humidity sensor with Temperature sampler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220488801 CN202853302U (en) | 2012-09-24 | 2012-09-24 | Vertical type dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220488801 CN202853302U (en) | 2012-09-24 | 2012-09-24 | Vertical type dryer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202853302U true CN202853302U (en) | 2013-04-03 |
Family
ID=47984488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220488801 Expired - Fee Related CN202853302U (en) | 2012-09-24 | 2012-09-24 | Vertical type dryer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202853302U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110523460A (en) * | 2019-10-09 | 2019-12-03 | 芜湖市香勤生态农业有限公司 | One kind using quantitative feeding device based on rice processing |
| CN112050613A (en) * | 2020-09-08 | 2020-12-08 | 新疆中泰矿冶有限公司 | High-efficiency energy-saving slow self-descending vertical drying kiln |
| CN113063286A (en) * | 2021-04-14 | 2021-07-02 | 塔城市丰穗农业技术开发有限公司 | Automatic control system for corn drying |
| CN115305104A (en) * | 2022-03-04 | 2022-11-08 | 陕西东鑫垣化工有限责任公司 | Semi coke drying and rotary kiln secondary pyrolysis purification process |
-
2012
- 2012-09-24 CN CN 201220488801 patent/CN202853302U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110523460A (en) * | 2019-10-09 | 2019-12-03 | 芜湖市香勤生态农业有限公司 | One kind using quantitative feeding device based on rice processing |
| CN112050613A (en) * | 2020-09-08 | 2020-12-08 | 新疆中泰矿冶有限公司 | High-efficiency energy-saving slow self-descending vertical drying kiln |
| CN113063286A (en) * | 2021-04-14 | 2021-07-02 | 塔城市丰穗农业技术开发有限公司 | Automatic control system for corn drying |
| CN115305104A (en) * | 2022-03-04 | 2022-11-08 | 陕西东鑫垣化工有限责任公司 | Semi coke drying and rotary kiln secondary pyrolysis purification process |
| CN115305104B (en) * | 2022-03-04 | 2023-12-05 | 陕西东鑫垣化工有限责任公司 | Semi-coke drying and rotary kiln secondary pyrolysis purification process |
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Legal Events
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130403 Termination date: 20150924 |
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| EXPY | Termination of patent right or utility model |