CN202281490U - Multi-layer calciner for granular materials - Google Patents

Multi-layer calciner for granular materials Download PDF

Info

Publication number
CN202281490U
CN202281490U CN2011204015239U CN201120401523U CN202281490U CN 202281490 U CN202281490 U CN 202281490U CN 2011204015239 U CN2011204015239 U CN 2011204015239U CN 201120401523 U CN201120401523 U CN 201120401523U CN 202281490 U CN202281490 U CN 202281490U
Authority
CN
China
Prior art keywords
calcining
cabin
layer
stock guide
furnace
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.)
Expired - Fee Related
Application number
CN2011204015239U
Other languages
Chinese (zh)
Inventor
黄少平
杨红伟
李丰
曹继强
黄烁霖
王澎
张灿
许威峰
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.)
LUOYANG PRECONDAR INSTRUMENTS FOR TESTING REFRACTORIES CO Ltd
Original Assignee
LUOYANG PRECONDAR INSTRUMENTS FOR TESTING REFRACTORIES 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 LUOYANG PRECONDAR INSTRUMENTS FOR TESTING REFRACTORIES CO Ltd filed Critical LUOYANG PRECONDAR INSTRUMENTS FOR TESTING REFRACTORIES CO Ltd
Priority to CN2011204015239U priority Critical patent/CN202281490U/en
Application granted granted Critical
Publication of CN202281490U publication Critical patent/CN202281490U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Abstract

The utility model provides a vertical multi-layer calciner for granular materials. The multi-layer calciner adopts the structure that at least one calcination chamber is arranged in a cavity formed by a furnace lining (12); the calcination chambers are provided with feed openings (3) and discharge openings (6); heaters (10) are arranged in gaps between the peripheries of the calcination chambers and the furnace lining, or in the calcination chambers, or inside and outside the calcination chambers; and the interiors of the calcination chambers adopt one row of a plurality of rows of longitudinally layered structures. In the utility model, the vertical multi-layer calciner is adopted to continually calcine the particle materials, so that the materials are fully dispersed by a plurality of calcination layers in the calcination process to achieve uniform heating, low probability of blocking and easiness in flowing, and the materials can be in full contact with atmosphere in the calciner. The atmosphere in the calciner is controllable, and the yield is high. Owing to the vertical structure, the vertical multi-layer calciner has the advantages of energy conservation, high efficiency, less investment, small occupation, and convenience and reliability in use.

Description

A kind of granular material multilayer calcining furnace
Technical field
The utility model relates to a kind of calcining furnace, mainly proposes a kind of granular material multilayer calcining furnace.
Background technology
The calcining of material is the requisite a kind of work of people's activity in production.Through the material heating and calcining, can remove materials such as moisture in the material, carbon dioxide, sulfur trioxide, organic matter, generate the material that people want, can also synthesize or sinter into new material through calcining and be used for productive life.The calcining main process be one material is heated to temperature required, and can control simultaneously the heating furnace atmosphere a process.
The kiln that is used for material calcining at present mainly contains continuously and two types of batch (-type)s: the kiln of continous way mainly contains shaft furnace, multihearth, rotary kiln, tunnel cave, pushed bat kiln etc.; Batch furnace is of a great variety, and main representational product has car type furnace, shuttle-type stove, tube furnace, batch-type furnace etc.Periodic kilns the kiln is because production efficiency is not high, and energy consumption is big etc., and unfavorable factor seldom is applied to large-scale production, and is widely used in laboratory or pilot plant because of the flexibility of its use.The continous way kiln is mainly used in large-scale production; But all there is following shortcoming in existing continous way kiln; Have following shortcoming respectively during in particular for the calcining granular material: shaft furnace has vertical heated furnace chamber, and the top continuous charging bottom discharging of furnace chamber is full of furnace chamber with material; Therefore furnace temperature is difficult for evenly; The material surrounding atmosphere is wayward, and if have powder or fines to sneak into can to cause local frit, so shaft furnace should not be calcined < the particle of 30mm; Multihearth has vertical heated furnace chamber; The platform and the scraper plate of sandwich tape leak are set in the furnace chamber; Scraper plate is successively scraped the purpose that reaches the even calcining of material toward lower floor with the material in the platform by the upper strata during work; Also can know that by its principle multihearth also should not calcine small size or powdered granule material, and its in calcination process material can with the furnace lining material repeated friction, the material of being produced can be polluted by furnace lining material; The low use cost of the thermal efficiency of rotary kiln is high, and the while also exists the repeated friction of material and furnace lining to produce pollution problems, and rotary kiln needs tens meters long usually, and investment is big, occupation of land is many; Tunnel cave and pushed bat kiln have tens meters long usually; To use saggar that material is adorned when being used to calcine granular material; Saggar is moved to the kiln tail by kiln hood; Will there be the problem that atmosphere is wayward and energy consumption is bigger around the material in these two kinds of kiln owners, and tunnel cave and pushed bat kiln are that its investment of horizontal kiln is big, occupation of land is many.
Summary of the invention
In order to solve the calcining problem of granular material, the purpose of the utility model is to propose a kind of granular material multilayer calcining furnace.
The utility model adopts following technical scheme for accomplishing the foregoing invention task:
A kind of granular material multilayer calcining furnace, described calcining furnace is vertical, mainly comprises body of heater, feeding part, output section, heating part and control system; Described body of heater is made up of furnace shell, furnace lining; Have at least one calcining cabin in the described cavity that is made up of furnace lining, the calcining cabin is provided with charging aperture and discharging opening; Described heater element has three kinds of arrangements: described heater element is arranged in the periphery and the space between the furnace lining in calcining cabin; Described heater element is arranged at the inside in calcining cabin, and the bulkhead all around of calcining the cabin this moment can be close to the furnace lining setting or directly constitute calcining cabin bulkhead by the furnace lining inwall; Described heater element is provided with the inside and outside of calcining cabin simultaneously; Be longitudinal layered structure in the described calcining cabin, described longitudinal layered structure is row or a multiple row;
When described longitudinal layered structure was row, described longitudinal layered structure was made up of the multilayer stock guide that vertically is arranged in the calcining cabin; Described every layer of stock guide is set to monolithic or is two that are oppositely arranged; Between one side of monolithic stock guide and calcining cabin bulkhead the lamellar spacing is set; Be provided with the lamellar spacing between two stock guides that are oppositely arranged; Described every layer of stock guide all constitutes a funnel structure with calcining cabin bulkhead, forms one deck calcining layer;
When described longitudinal layered structure was multiple row, the longitudinal layered structure of every row was made up of the multilayer stock guide that vertically is arranged in the calcining cabin; Described every layer of stock guide is set to monolithic or is two that are oppositely arranged; When described every layer of stock guide is monolithic, between the longitudinal layered structure of adjacent two row, be provided with dividing plate; Between one side of monolithic stock guide and calcining cabin bulkhead or dividing plate the lamellar spacing is set; Described every stock guide constitutes a funnel structure with calcining cabin bulkhead or with calcining cabin bulkhead and dividing plate, forms one deck calcining layer; When described every layer of stock guide is two, be provided with the lamellar spacing between two stock guides that are oppositely arranged; Said two stock guides that are oppositely arranged constitute a funnel structure with calcining cabin bulkhead, form one deck calcining layer; Or, when described every layer of stock guide is two, between the longitudinal layered structure of adjacent two row, dividing plate being set, said two stock guides that are oppositely arranged constitute a funnel structure with calcining cabin bulkhead and dividing plate, form one deck calcining layer;
The lamellar spacing of described calcining layer constitutes the feed opening of funnel, and described feed opening is the punishment in advance mouth of calcining layer; The said punishment in advance mouth that vertically is arranged at a plurality of calcining layers in the calcining cabin is communicated with material passing passage of formation up and down; When described longitudinal layered structure is row, in described calcining cabin, has a material passing passage; When described longitudinal layered structure is multiple row, in described calcining cabin, have many material passing passages; The upper end of described every material passing passage is communicated with the charging aperture in calcining cabin; The lower end of material passing passage is communicated with the discharging opening in calcining cabin; Constitute material and get into the calcining cabin, in the calcining cabin, from top to bottom successively calcine, by the structure of the discharge hole for discharge of calcining the cabin by charging aperture; Described funnel structure is piled up the material in the calcining layer naturally; Naturally the material of piling up has at least between a surface and stock guide, the calcining cabin bulkhead perhaps and stock guide, dividing plate between have the space; Described space constitutes a cavity zone of calcining layer, promptly has material nature accumulation area and cavity zone in the calcining layer; The discharging opening place in said calcining cabin is provided with discharger, and the discharge method of discharger can be arranged to batch (-type) or continous way.
Described calcining cabin bulkhead is provided with exhaust outlet, and described exhaust outlet is arranged on the cavity zone of calcining layer; Described a plurality of exhaust outlet all is communicated with exhaust duct; Corresponding each the layer calcining layer of described exhaust outlet is provided with or is provided with at interval.
Described calcining cabin bulkhead is provided with air inlet, and described air inlet is arranged on the cavity zone of calcining layer.
Described stock guide can be downward-sloping setting.
Described stock guide can be and is horizontally disposed with.
Described stock guide is a movable structure; Wherein side stock guide opposite side stock guide action relatively.
Said body of heater is a segmentation structure, and promptly described body of heater can be made up of the multistage body of heater; In the burner hearth of each section body of heater, all have the calcining cabin, the discharging opening in the preceding paragraph body of heater calcining cabin docks with the charging aperture in its body of heater calcining cabin, below.
The dividing plate that between the longitudinal layered structure of adjacent two row, is provided with is an active clapboard.
The dividing plate that between the longitudinal layered structure of adjacent two row, is provided with is a stationary barrier.
Utilize above-mentioned calcining furnace that granular material is carried out calcining method: in the calcining cabin of material in calcining furnace from top to bottom; In the multilayer calcining layer that vertically is provided with along the calcining cabin, successively calcined; Material is by intermittence or get into calcining furnace continuously, accomplishes the material intermittence or the discharging continuously of calcining; During initial charge, close the discharger in calcining cabin, material gets in the calcining cabin by charging aperture and is deposited in the material nature accumulation area of each calcining layer in the calcining cabin naturally; After required calcining heat is issued to calcination time, the discharger of opening the calcining cabin will calcine the undermost material in cabin and emit, get into by feeding part intermittently or the continuous and quantitative charging, by the continuous course of work of output section intermittence or continuous and quantitative discharging; In the continuous course of work, make load and inlet amount keep balance, the material nature accumulation area of calcining layer in the calcining cabin is all piled up has material.
In the calcination process, the gas that material produces is discharged by exhaust outlet.
In the calcination process, if when needing the firing atmosphere of control material, desired gas can be fed by the air inlet that is arranged at calcining layer cavity zone in the calcining cabin, and the gas that is produced can be discharged from exhaust outlet.
A kind of granular material multilayer calcining furnace that the utility model proposes adopts vertical heater that granule materials is carried out continuous calcining, and material is fully disperseed through multilayer calcining layer in calcination process, is heated evenly; Prevented from caking is easy to flow, and fully contacts with furnace atmosphere; Furnace atmosphere is controlled, and yield rate is high, owing to adopt vertical structure; Efficient energy-saving, small investment is taken up an area of little, easy to use and reliable.
Description of drawings
Fig. 1 is the structural representation of the utility model granular material calcining furnace.
Fig. 2 is the A-A profile of Fig. 1.
Fig. 3 is for piling up the view that material is arranged in the granular material calcining furnace shown in Figure 1.
Fig. 4 adopts the working state schematic representation of continous way charging, discharging for the utility model.
Fig. 5 is the horizontally disposed structural representation of stock guide in the utility model granular material calcining furnace.
Fig. 6 is a monolithic for stock guide in the utility model granular material calcining furnace, the structural representation of calcining cabin bulkhead opening.
Fig. 7 is that the utility model granular material calcining furnace adopts the structural representation of furnace lining inwall as calcining cabin bulkhead.
Fig. 8 is the movable structural representation of a side stock guide in the utility model granular material calcining furnace.
Fig. 9 is the B-B profile of Fig. 8.
Figure 10 is for having the structural representation of movable mode clapboard in the calcining cabin of the utility model granular material calcining furnace.
Figure 11 is the structural representation of the utility model granular material calcining furnace by the combination of two sections body of heater.
Figure 12 is for there being the structural representation in two calcining cabins in the utility model granular material calcining furnace stove.
Figure 13 is for there being the structural representation of two material passing passages in the calcining cabin in the utility model granular material calcining furnace stove.
Figure 14 is for having the structural representation of fixed dividing plate in the calcining cabin in the utility model granular material calcining furnace stove.
Among the figure, 1, feeding warehouse, 2, feeder, 3, charging aperture, 4, material passing passage, 5, stock guide; 6, discharging opening, 7, discharger, 8, furnace shell, 9, calcining cabin bulkhead, 10, heater element, 11, thermocouple; 12, furnace lining, 13, bottom brick, 14, grate, 15, truck, 16, feeding motor, 17, the discharging motor; 18, cavity zone, 19, material nature accumulation area, 20, the feeding mechanism support, 21, the discharging mechanism support, 22, the bulkhead opening, 23, active clapboard; 24, connecting rod, 25, pin, 26, back-up block, 27, argue for the sake of arguing, 28, cam, 29, cam motor; 30, motor cabinet, 31, detachable bulkhead, 32, chute, 33, stationary barrier, 34, exhaust outlet, 35, air inlet.
The specific embodiment
The utility model is explained with the embodiment that provides in conjunction with accompanying drawing, but is not constituted any restriction of the present invention:
Like Fig. 1, shown in Figure 2, and with reference to Fig. 3, a kind of granular material multilayer calcining furnace mainly comprises body of heater, feeding part, output section, heating part and control system; Described body of heater is vertical, and described body of heater is made up of furnace shell 8, furnace lining 12; The feeding part that is positioned at upper of furnace body mainly comprises feeding warehouse 1, feeder 2 and charging aperture 3; Described feeder 2 can adopt the rotary feeder of existing structure, spiral feeder, push bar conveyor etc., and feeder 2 adopts rotary feeder among this embodiment.In the burner hearth of body of heater, has the calcining cabin; Among this embodiment, calcining cabin bulkhead 9 is the square tube structure, can avoid material to contact with furnace lining; The material of being produced can not polluted by furnace lining material, between the calcining cabin bulkhead 9 of tube structure and the furnace lining 12 thermal treatment zone is set; The heater element of the thermal treatment zone can adopt electric heating body, gas burner, oil nozzle, coal dust burner etc.; Among this embodiment, adopt silicon carbide heater, heater element 10 is vertically arranged along burner hearth, thermocouple 11 is set in the thermal treatment zone; Material is calcined in the calcining cabin; Described calcining cabin is longitudinal layered structure, and the longitudinal layered structure among this embodiment is row; Described longitudinal layered structure is made up of the multilayer stock guide 5 that vertically is arranged in the calcining cabin; Described every layer of stock guide is set to two; Be provided with the lamellar spacing between two stock guides that are oppositely arranged; Described every layer of stock guide all constitutes a funnel structure with calcining cabin bulkhead 9, forms one deck calcining layer; The lamellar spacing of described calcining layer constitutes the feed opening of funnel, and described feed opening is the punishment in advance mouth of calcining layer; The said punishment in advance mouth that vertically is arranged at a plurality of calcining layers in the calcining cabin is communicated with material passing passage 4 of formation up and down; The upper end of described material passing passage 4 is communicated with the charging aperture 3 in calcining cabin; The lower end of material passing passage 4 is communicated with the discharging opening 6 in calcining cabin; Constitute material and get into the calcining cabin, in the calcining cabin, from top to bottom successively calcine, by the structure of the discharge hole for discharge of calcining the cabin by charging aperture; Described funnel structure is piled up the material in the calcining layer naturally; Naturally the material of piling up have at least a surface with stock guide 5, calcine between the cabin bulkhead 9 and have the space; Described space constitutes a cavity zone 18 of calcining layer, promptly has material nature accumulation area 19 and cavity zone 18 in the calcining layer; The charging aperture place in said calcining cabin is provided with feeder 2, and the feeding manner of feeder 2 can be arranged to batch (-type) or continous way; The discharging opening place in said calcining cabin is provided with discharger 7, and the discharge method of discharger 7 can be arranged to batch (-type) or continous way; Below this calcining furnace, be provided with truck 15.
Described calcining cabin bulkhead 9 is provided with exhaust outlet 34 and air inlet 35, and described exhaust outlet 34 is arranged on the cavity zone 18 of calcining layer; Described a plurality of exhaust outlet all is communicated with exhaust duct; Described air inlet 35 is arranged on the cavity zone 18 of calcining layer.
Described material calcining cabin bulkhead 9 and stock guide 5 adopt heat proof material to process.
With Fig. 1, the utility model calcining furnace shown in Figure 2 to granular MnO 2Calcine and generate Mn 3O 4, suppose MnO 2Need under 950 ℃ of high temperature, calcine 45 minutes ability and generate Mn 3O 4Fig. 1, the interior calcining cabin of calcining furnace shown in Figure 2 have 9 layers of calcining layer of vertical setting; If the weight of material of piling up naturally of every layer of calcining layer is 10kg; Its concrete calcining manners is: the fill process of material can be: the furnace temperature of calcining furnace is risen to 950 ℃ and insulation; Close the discharger 7 in calcining cabin, then open feeder 2, the 5 fens clock times in every interval are to the material of calcining furnace feeding 10kg, send into the material nature accumulation area that material in the calcining cabin is deposited in each calcining layer in the calcining cabin naturally by charging aperture after 45 minutes; At this moment, the material in the orlop calcining layer reaches calcination time, open the discharger 7 in calcining cabin material emitted, the material of being emitted by feeder first unit interval the calcining finished product of feeding material; After this, get into by feeding part intermittently dosed, by the output section continuous course of work of quantitative discharging intermittently; Make load and inlet amount keep balance the blanking time through batch (-type) feeder and the charging and discharging of discharger control material, and the material nature accumulation area of calcining layer in the calcining cabin is all piled up has material; In the calcination process, by the air inlet bubbling air that is arranged at calcining layer cavity zone in the calcining cabin, the waste gas that is produced is discharged from exhaust outlet.
With Fig. 1, when the utility model calcining furnace shown in Figure 2 is not provided with feeder 2 to granular MnO 2Calcine and generate Mn 3O 4, suppose MnO 2Need under 950 ℃ of high temperature, calcine 45 minutes ability and generate Mn 3O 4Fig. 1, the interior calcining cabin of calcining furnace shown in Figure 2 have 9 layers of calcining layer of vertical setting; If the weight of material of piling up naturally of every layer of calcining layer is 10kg; Its concrete calcining manners is: the fill process of material can be: the furnace temperature of calcining furnace is risen to 950 ℃ and insulation; Close the discharger 7 in calcining cabin, then material is poured in the calcining cabin by feeding warehouse 1, the material nature accumulation area of each calcining layer all is full of material and keeps feeding warehouse 1 that material is arranged in the calcining cabin; After treating 45 minutes, open the discharger 7 in calcining cabin the material in the orlop calcining layer is emitted; After this, the material that every interval was calcined orlop in the layer by discharger 7 in 5 minutes is emitted, and gets into the continuous course of work by output section quantitative discharging at intermittence; Make load and inlet amount keep balance the blanking time through the charging and discharging of batch (-type) discharger control material, and the material nature accumulation area of calcining layer in the calcining cabin is all piled up has material; In the continuous course of work of output section quantitative discharging at intermittence, to keep feeding warehouse 1 that material is arranged all the time; In the calcination process, by the air inlet bubbling air that is arranged at calcining layer cavity zone in the calcining cabin, the waste gas that is produced is discharged from exhaust outlet.
With Fig. 1, when the utility model calcining furnace shown in Figure 2 is not provided with feeder 2 to granular MnO 2Calcine and generate Mn 3O 4, suppose MnO 2Need under 950 ℃ of high temperature, calcine 45 minutes ability and generate Mn 3O 4Fig. 1, the interior calcining cabin of calcining furnace shown in Figure 2 have 9 layers of calcining layer of vertical setting; If the weight of material of piling up naturally of every layer of calcining layer is 10kg; Its concrete calcining manners is: the fill process of material can be: close the discharger 7 in calcining cabin, then material is poured in the calcining cabin by feeding warehouse 1, the material nature accumulation area of each calcining layer all is full of material and keeps feeding warehouse 1 that material is arranged in the calcining cabin; The furnace temperature of calcining furnace is risen to 950 ℃ and insulation; After treating 45 minutes, open the discharger 7 in calcining cabin the material in the orlop calcining layer is emitted; After this, the material that every interval was calcined orlop in the layer by discharger 7 in 5 minutes is emitted, and gets into the continuous course of work by output section quantitative discharging at intermittence; Make load and inlet amount keep balance the blanking time through the charging and discharging of batch (-type) discharger control material, and the material nature accumulation area of calcining layer in the calcining cabin is all piled up has material; In the continuous course of work of output section quantitative discharging at intermittence, to keep feeding warehouse 1 that material is arranged all the time; In the calcination process, by the air inlet bubbling air that is arranged at calcining layer cavity zone in the calcining cabin, the waste gas that is produced is discharged from exhaust outlet.
With Fig. 1, when the utility model calcining furnace shown in Figure 2 is not provided with feeder 2 to granular MnO 2Calcine and generate Mn 3O 4, suppose MnO 2Need under 950 ℃ of high temperature, calcine 45 minutes ability and generate Mn 3O 4Fig. 1, the interior calcining cabin of calcining furnace shown in Figure 2 have 9 layers of calcining layer of vertical setting; If the weight of material of piling up naturally of every layer of calcining layer is 10kg; Its concrete calcining manners is: the fill process of material can be: the heating rate by 10 ℃ of per minutes heats up to calcining furnace; Close the discharger 7 in calcining cabin when heating up, then material is poured in the calcining cabin by feeding warehouse 1, the material nature accumulation area of each calcining layer all is full of material and keeps feeding warehouse 1 that material is arranged in the calcining cabin; After waiting to reach 950 ℃ of calcining heats and calcination time, open the discharger 7 in calcining cabin the interior material of orlop calcining layer emitted; After this, the material that every interval was calcined orlop in the layer by discharger 7 in 5 minutes is emitted, and gets into the continuous course of work by output section quantitative discharging at intermittence; Make load and inlet amount keep balance the blanking time through the charging and discharging of batch (-type) discharger control material, and the material nature accumulation area of calcining layer in the calcining cabin is all piled up has material; In the continuous course of work of output section quantitative discharging at intermittence, to keep feeding warehouse 1 that material is arranged all the time; In the calcination process, by the air inlet bubbling air that is arranged at calcining layer cavity zone in the calcining cabin, the waste gas that is produced is discharged from exhaust outlet.
As shown in Figure 4, the granular material calcining furnace that provides the utility model adopts continuous feed, the signal of discharging working method continuously; Among this embodiment, feeder 2 is an apron feeder, and described discharger 7 is the belt discharging machine.
With the utility model calcining furnace shown in Figure 4 to granular MgCO 3Calcine and generate MgO and CO 2, suppose MgCO 345 minutes ability be need under 900 ℃ of high temperature, calcine and MgO and CO generated 2Calcining cabin in the calcining furnace shown in Figure 4 has 9 layers of calcining layer of vertical setting; If the weight of material of piling up naturally of every layer of calcining layer is 10kg; Its concrete calcining manners is: the fill process of material can be: the furnace temperature of calcining furnace is risen to 900 ℃ and insulation; Close the discharger 7 in calcining cabin, then open feeder 2, press per minute and give the calcining furnace feeding to the flow velocity of calcining furnace feeding 2kg material, material is sent in the calcining cabin by charging aperture and is deposited in the material nature accumulation area of each calcining layer in the calcining cabin naturally; After 45 minutes, the material in the orlop calcining layer reaches the time that calcining sets, open the discharger 7 in calcining cabin material emitted by certain flow velocity, the material of being emitted by feeder first unit interval the calcining finished product of feeding material; After this, get into by the charging of feeding part continuous and quantitative, by the continuous course of work of output section continuous and quantitative discharging; Flow through continous way feeder and the charging and discharging of discharger control material makes load and inlet amount keep balance, and the material nature accumulation area of calcining layer in the calcining cabin is all piled up has material; In the calcination process, high-purity CO 2Gas is discharged by the exhaust outlet that is arranged at calcining layer cavity zone in the calcining cabin.
When feeder 2 not being set with the utility model calcining furnace shown in Figure 4 to granular MgCO 3Calcine and generate MgO and CO 2, suppose MgCO 345 minutes ability be need under 900 ℃ of high temperature, calcine and MgO and CO generated 2Calcining cabin in the calcining furnace shown in Figure 4 has 9 layers of calcining layer of vertical setting; If the weight of material of piling up naturally of every layer of calcining layer is 10kg; Its concrete calcining manners is: the fill process of material can be: the furnace temperature of calcining furnace is risen to 900 ℃ and insulation; Close the discharger 7 in calcining cabin, then material is poured in the calcining cabin by feeding warehouse 1, the material nature accumulation area of each calcining layer all is full of material and keeps feeding warehouse 1 that material is arranged in the calcining cabin; After treating 45 minutes, open the discharger 7 in calcining cabin material is emitted by certain flow velocity; After this, entering is by the continuous course of work of output section continuous and quantitative discharging; Flow through the charging and discharging of continous way discharger control material makes load and inlet amount keep balance, and the material nature accumulation area of calcining layer in the calcining cabin is all piled up has material; In the calcination process, high-purity CO 2Gas is discharged by the exhaust outlet that is arranged at calcining layer cavity zone in the calcining cabin.
When feeder 2 not being set with the utility model calcining furnace shown in Figure 4 to granular MgCO 3Calcine and generate MgO and CO 2, suppose MgCO 345 minutes ability be need under 900 ℃ of high temperature, calcine and MgO and CO generated 2Calcining cabin in the calcining furnace shown in Figure 4 has 9 layers of calcining layer of vertical setting; If the weight of material of piling up naturally of every layer of calcining layer is 10kg; Its concrete calcining manners is: the fill process of material can be: close the discharger 7 in calcining cabin, then material is poured in the calcining cabin by feeding warehouse 1, the material nature accumulation area of each calcining layer all is full of material and keeps feeding warehouse 1 that material is arranged in the calcining cabin; The furnace temperature of calcining furnace is risen to 900 ℃ and insulation; After treating 45 minutes, open the discharger 7 in calcining cabin material is emitted by certain flow velocity; After this, entering is by the continuous course of work of output section continuous and quantitative discharging; Flow through the charging and discharging of continous way discharger control material makes load and inlet amount keep balance, and the material nature accumulation area of calcining layer in the calcining cabin is all piled up has material; In the calcination process, high-purity CO 2Gas is discharged by the exhaust outlet that is arranged at calcining layer cavity zone in the calcining cabin.
As shown in Figure 5, provide the horizontally disposed structural representation of stock guide in the utility model granular material calcining furnace; Described every layer of stock guide 5 is provided with the lamellar spacing for to be made up of horizontally disposed two refractory plates between described horizontally disposed two refractory plates, constitutes the punishment in advance mouth of calcining layer.
As shown in Figure 6, provide that stock guide is a monolithic in the utility model granular material calcining furnace, the structural representation of calcining cabin bulkhead opening; Described every layer of stock guide 5 constitutes for the monolithic refractory plate, is provided with the lamellar spacing between described monolithic refractory plate and the calcining cabin bulkhead 9, constitutes the punishment in advance mouth of calcining layer.Described calcining cabin bulkhead is provided with bulkhead opening 22, and described bulkhead opening 22 is positioned at the cavity zone 18 of calcining layer.
As shown in Figure 7, provide the utility model granular material calcining furnace and adopt of the structural representation of furnace lining inwall as calcining cabin bulkhead; Described every layer of stock guide 5 is that two and stock guide 5 are arranged on the furnace lining 12, and the inwall of described furnace lining 12 constitutes calcining cabin bulkhead 9, and heater element 10, thermocouple 11 are arranged in the calcining cabin.
Like Fig. 8, shown in Figure 9, provide the movable structural representation of a side stock guide in the utility model granular material calcining furnace; Because material is mobile in material passing passage to be to rely on the gravity of material to realize that material might lump, passage in calcining; Can be through the motion of stock guide, loosening material, thus break at high temperature bonding of material, material can be flowed in passage.This embodiment provides a kind of movable structure of a side stock guide that makes.Every layer of stock guide 5 is two that are oppositely arranged among this embodiment, and one in described two stock guides 5 is cemented on the calcining cabin bulkhead 9, and another piece is cemented on the detachable bulkhead 31; Be provided with and make detachable bulkhead 31 along mechanism that chute 32 slides up and down; Described make detachable bulkhead 31 along the mechanism that chute 32 slides up and down include connecting rod 24, pin 25, back-up block 26, argue for the sake of arguing 27, cam 28, cam motor 29, motor cabinet 30; The lower end of connecting rod 24 and detachable bulkhead 31 connect firmly, the upper end of connecting rod 24 through pin 25 with argue for the sake of arguing 27 hinged; Back-up block 26 is as arguing for the sake of arguing 27 the strong point, and 27 the other end of arguing for the sake of arguing can be driven by cam 28; Cam motor 29 drives cam 28 and rotates, thereby the 27 drive detachable bulkheads 31 of arguing for the sake of arguing are moved up and down.
Shown in figure 10, provide the structural representation that has movable mode clapboard in the calcining cabin of the utility model granular material calcining furnace; Longitudinal layered structure in the calcining cabin is two row; The longitudinal layered structure of every row is made up of the multilayer stock guide that vertically is arranged in the calcining cabin; Two of being set to be oppositely arranged of described every layer of stock guide 5; Be provided with the lamellar spacing between two stock guides that are oppositely arranged; Between the longitudinal layered structure of adjacent two row, active clapboard 23 is set, the both sides of active clapboard 23 are connected with the polylith stock guide of vertical setting respectively; Said two stock guides that are oppositely arranged 5 constitute a funnel structure with calcining cabin bulkhead and active clapboard 23, form one deck calcining layer; The lamellar spacing of described calcining layer constitutes the feed opening of funnel, and described feed opening is the punishment in advance mouth of calcining layer; The said punishment in advance mouth that vertically is arranged at a plurality of calcining layers in the calcining cabin is communicated with material passing passage 4 of formation up and down; Thereby in described calcining cabin, form two material passing passages.Be provided with and make active clapboard 23 along mechanism that chute 32 slides up and down; Described make active clapboard 23 along the mechanism that chute 32 slides up and down include connecting rod 24, pin 25, back-up block 26, argue for the sake of arguing 27, cam 28, cam motor 29, motor cabinet 30; The lower end of connecting rod 24 and active clapboard 23 connect firmly, the upper end of connecting rod 24 through pin 25 with argue for the sake of arguing 27 hinged; Back-up block 26 is as arguing for the sake of arguing 27 the strong point, and 27 the other end of arguing for the sake of arguing can be driven by cam 28; Cam motor 29 drives cam 28 and rotates, thereby the 27 drive active clapboards 23 of arguing for the sake of arguing are moved up and down.
Shown in figure 11, provide of the structural representation of the utility model granular material calcining furnace by the combination of two sections body of heater; Among this embodiment, described body of heater is made up of two sections bodies of heater, and the bottom in the calcining cabin in two sections bodies of heater is provided with discharging opening, and the discharging opening place sets out glassware 7, and the discharger in the calcining cabin in the epimere body of heater is simultaneously as the feeder in the calcining cabin of hypomere body of heater.
Shown in figure 12, provide the structural representation that two calcining cabins are arranged in the utility model granular material calcining furnace stove; Among this embodiment, in stove, be provided with two and independently calcine the cabin, the structure in calcining cabin is identical with Fig. 1.
Shown in figure 13, provide the structural representation that two material passing passages are arranged in the calcining cabin in the utility model granular material calcining furnace stove; Longitudinal layered structure in the calcining cabin is two row; The longitudinal layered structure of every row is made up of the multilayer stock guide that vertically is arranged in the calcining cabin; Two of being set to be oppositely arranged of described every layer of stock guide 5; Be provided with the lamellar spacing between two stock guides that are oppositely arranged; In two stock guides 5 that are oppositely arranged, wherein one connects firmly on the bulkhead of calcining cabin, and the two ends that are positioned at another piece stock guide at middle part, calcining cabin connect firmly on the bulkhead of calcining cabin; Said two stock guides that are oppositely arranged 5 constitute a funnel structure with calcining cabin bulkhead 9, form one deck calcining layer; The lamellar spacing of described calcining layer constitutes the feed opening of funnel, and described feed opening is the punishment in advance mouth of calcining layer; The said punishment in advance mouth that vertically is arranged at a plurality of calcining layers in the calcining cabin is communicated with material passing passage 4 of formation up and down; Thereby in described calcining cabin, form two material passing passages.The stock guide that is positioned at middle part, calcining cabin in the longitudinal layered structure of two row can be structure as a whole.
Shown in figure 14, provide the structural representation that has stationary barrier in the calcining cabin in the utility model granular material calcining furnace stove; Among this embodiment, described longitudinal layered structure is two row, and the longitudinal layered structure of every row is made up of the multilayer stock guide that vertically is arranged in the calcining cabin; Described every layer of stock guide is set to monolithic; Between the longitudinal layered structure of adjacent two row, be provided with stationary barrier 33; The both sides of stationary barrier 33 all are connected with the polylith stock guide of vertical setting; A side of one deck monolithic stock guide 5 and calcining cabin bulkhead 9 or 33 of stationary barriers are provided with the lamellar spacing in the longitudinal layered structure of every row; Described every stock guide 5 constitutes a funnel structure with calcining cabin bulkhead 9 or with calcining cabin bulkhead 9 and stationary barrier 33, forms one deck calcining layer; The lamellar spacing of described calcining layer constitutes the feed opening of funnel, and described feed opening is the punishment in advance mouth of calcining layer; The said punishment in advance mouth that vertically is arranged at a plurality of calcining layers in the calcining cabin is communicated with material passing passage 4 of formation up and down; The material passing passage of present embodiment in the calcining cabin is two.

Claims (9)

1. granular material multilayer calcining furnace, described calcining furnace is vertical, mainly comprises body of heater, feeding part, output section, heating part and control system; Described body of heater is made up of furnace shell (8), furnace lining (12); It is characterized in that: have at least one calcining cabin in the described cavity by furnace lining (12) formation, the calcining cabin is provided with charging aperture (3) and discharging opening (6); Heater element (10) has three kinds of arrangements: described heater element (10) is arranged in the periphery and the space between the furnace lining in calcining cabin; Described heater element (10) is arranged at the inside in calcining cabin, and the bulkhead all around of calcining the cabin this moment can be close to the furnace lining setting or directly constitute calcining cabin bulkhead (9) by the furnace lining inwall; Described heater element (10) is provided with the inside and outside of calcining cabin simultaneously; Be longitudinal layered structure in the described calcining cabin, described longitudinal layered structure is row or a multiple row;
When described longitudinal layered structure was row, described longitudinal layered structure was made up of the multilayer stock guide (5) that vertically is arranged in the calcining cabin; Described every layer of stock guide is set to monolithic or is two that are oppositely arranged; Between one side of monolithic stock guide and calcining cabin bulkhead the lamellar spacing is set; Be provided with the lamellar spacing between two stock guides that are oppositely arranged; Described every layer of stock guide (5) all constitutes a funnel structure with calcining cabin bulkhead (9), forms one deck calcining layer;
When described longitudinal layered structure was multiple row, the longitudinal layered structure of every row was made up of the multilayer stock guide (5) that vertically is arranged in the calcining cabin; Described every layer of stock guide is set to monolithic or is two that are oppositely arranged; When described every layer of stock guide is monolithic, between the longitudinal layered structure of adjacent two row, be provided with dividing plate; Between one side of monolithic stock guide and calcining cabin bulkhead or dividing plate the lamellar spacing is set; Described every stock guide constitutes a funnel structure with calcining cabin bulkhead (9) or with calcining cabin bulkhead (9) and dividing plate, forms one deck calcining layer; When described every layer of stock guide is two, be provided with the lamellar spacing between two stock guides that are oppositely arranged; Said two stock guides that are oppositely arranged constitute a funnel structure with calcining cabin bulkhead (9), form one deck calcining layer; Or, when described every layer of stock guide is two, between the longitudinal layered structure of adjacent two row, dividing plate being set, said two stock guides that are oppositely arranged constitute a funnel structure with calcining cabin bulkhead and dividing plate, form one deck calcining layer;
The lamellar spacing of described calcining layer constitutes the feed opening of funnel, and described feed opening is the punishment in advance mouth of calcining layer; The said punishment in advance mouth that vertically is arranged at a plurality of calcining layers in the calcining cabin is communicated with material passing passage of formation up and down; When described longitudinal layered structure is row, in described calcining cabin, has a material passing passage; When described longitudinal layered structure is multiple row, in described calcining cabin, have many material passing passages (4); The upper end of described every material passing passage is communicated with the charging aperture in calcining cabin; The lower end of material passing passage is communicated with the discharging opening (6) in calcining cabin; Constitute material and get into the calcining cabin, in the calcining cabin, from top to bottom successively calcine, by the structure of the discharge hole for discharge of calcining the cabin by charging aperture (3); Described funnel structure is piled up the material in the calcining layer naturally; Naturally the material of piling up has at least between a surface and stock guide, the calcining cabin bulkhead (9) perhaps and stock guide (5), dividing plate between have the space; Described space constitutes a cavity zone of calcining layer, promptly has material nature accumulation area and cavity zone in the calcining layer; The discharging opening (6) in said calcining cabin locates to be provided with discharger (7), and the discharge method of discharger (7) can be arranged to batch (-type) or continous way.
2. a kind of granular material multilayer calcining furnace according to claim 1, it is characterized in that: described calcining cabin bulkhead (9) is provided with exhaust outlet (34); Described exhaust outlet (34) is arranged on the cavity zone of calcining layer; Described a plurality of exhaust outlet all is communicated with exhaust duct; Corresponding each the layer calcining layer of described exhaust outlet is provided with or is provided with at interval.
3. a kind of granular material multilayer calcining furnace according to claim 1, it is characterized in that: described calcining cabin bulkhead (9) is provided with air inlet (35), and described air inlet (35) is arranged on the cavity zone of calcining layer.
4. a kind of granular material multilayer calcining furnace according to claim 1 is characterized in that: described stock guide (5) is downward-sloping setting.
5. a kind of granular material multilayer calcining furnace according to claim 1, it is characterized in that: described stock guide (5) is for being horizontally disposed with.
6. a kind of granular material multilayer calcining furnace according to claim 1 is characterized in that: described stock guide (5) is a movable structure; Wherein side stock guide opposite side stock guide action relatively.
7. a kind of granular material multilayer calcining furnace according to claim 1, it is characterized in that: said body of heater is a segmentation structure, promptly described body of heater can be made up of the multistage body of heater; Each section body of heater all has the calcining cabin, and the discharging opening in the preceding paragraph body of heater calcining cabin docks with the charging aperture in its body of heater calcining cabin, below.
8. a kind of granular material multilayer calcining furnace according to claim 1 is characterized in that: the dividing plate that between the longitudinal layered structure of adjacent two row, is provided with is active clapboard (23).
9. a kind of granular material multilayer calcining furnace according to claim 1 is characterized in that: the dividing plate that between the longitudinal layered structure of adjacent two row, is provided with is stationary barrier (32).
CN2011204015239U 2011-10-20 2011-10-20 Multi-layer calciner for granular materials Expired - Fee Related CN202281490U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011204015239U CN202281490U (en) 2011-10-20 2011-10-20 Multi-layer calciner for granular materials

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011204015239U CN202281490U (en) 2011-10-20 2011-10-20 Multi-layer calciner for granular materials

Publications (1)

Publication Number Publication Date
CN202281490U true CN202281490U (en) 2012-06-20

Family

ID=46227657

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011204015239U Expired - Fee Related CN202281490U (en) 2011-10-20 2011-10-20 Multi-layer calciner for granular materials

Country Status (1)

Country Link
CN (1) CN202281490U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102368017A (en) * 2011-10-20 2012-03-07 洛阳市谱瑞慷达耐热测试设备有限公司 Granular material multilayer calcining furnace and calcining method
CN103822464A (en) * 2012-11-19 2014-05-28 黄旭鹏 Industrial continuous high-temperature microwave calcining furnace for mineral granules and powder
CN103826343A (en) * 2012-11-19 2014-05-28 黄旭鹏 Method for microwave-heating granular materials and powders
CN113776324A (en) * 2021-09-28 2021-12-10 马有苏夫 Decarbonization of yellow phosphorus ore calcines system

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102368017A (en) * 2011-10-20 2012-03-07 洛阳市谱瑞慷达耐热测试设备有限公司 Granular material multilayer calcining furnace and calcining method
CN102368017B (en) * 2011-10-20 2013-08-14 洛阳市谱瑞慷达耐热测试设备有限公司 Granular material multilayer calcining furnace and calcining method
CN103822464A (en) * 2012-11-19 2014-05-28 黄旭鹏 Industrial continuous high-temperature microwave calcining furnace for mineral granules and powder
CN103826343A (en) * 2012-11-19 2014-05-28 黄旭鹏 Method for microwave-heating granular materials and powders
CN113776324A (en) * 2021-09-28 2021-12-10 马有苏夫 Decarbonization of yellow phosphorus ore calcines system

Similar Documents

Publication Publication Date Title
CN102368017B (en) Granular material multilayer calcining furnace and calcining method
CN103304157B (en) Energy-conservation and emission-reduction type active lime calcination method and apparatus
CN102368016A (en) Granular material calcining furnace and calcining method
CN202281490U (en) Multi-layer calciner for granular materials
CN206531370U (en) A kind of drum-type drying, sintering or calciner
CN108558364B (en) Process for co-firing limestone by using coal gangue bricks
CN105698524B (en) Heat accumulating type multistage heating rotary kiln device
CN107892493A (en) A kind of electrical heating shaft furnace and based on light calcined magnesia production technology thereon
CN103822464A (en) Industrial continuous high-temperature microwave calcining furnace for mineral granules and powder
CN201621949U (en) Externally-heated coal reducing rotary kiln
CN101830646A (en) Lime calcining method and star-shaped kiln device
CN101852542A (en) Vertical kiln
CN108800921A (en) A kind of rotary kiln for calcining phosphorus ore
CN101565280A (en) Manufacturing method for burning light burning magnesite powder by tunnel kiln
CN101519281B (en) Large-scale energy-saving gas burning kiln for producing raw materials of excellent-quality calcium carbide and high-quality lime
CN113083318A (en) System and process for preparing SCR denitration catalyst by Fenton iron mud
CN105776905B (en) A kind of suction type lime shaft kiln
CN209085291U (en) It is a kind of for calcining the rotary kiln of phosphorus ore
CN102951859B (en) Heat accumulating type lime kiln
CN213514994U (en) Calcination rotary furnace for ceramsite slag-removing sand
CN102183142B (en) Semi-heat accumulating type rotating bed equipment and process for producing large-size high-activity lime
CN214991183U (en) Energy-saving flash suspension kiln system
CN202281489U (en) Granular material calcining furnace
CN104215064B (en) Straight tunnel cave for Iron Ore Powder direct-reduction
CN101738081A (en) Shaft kiln

Legal Events

Date Code Title Description
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: 20120620

Termination date: 20171020

CF01 Termination of patent right due to non-payment of annual fee