CN103822496A - Adjustable rotary kiln heat collection system and heat energy collection method - Google Patents
Adjustable rotary kiln heat collection system and heat energy collection method Download PDFInfo
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- CN103822496A CN103822496A CN201410097187.1A CN201410097187A CN103822496A CN 103822496 A CN103822496 A CN 103822496A CN 201410097187 A CN201410097187 A CN 201410097187A CN 103822496 A CN103822496 A CN 103822496A
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- 238000007789 sealing Methods 0.000 claims abstract description 18
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- 239000010425 asbestos Substances 0.000 claims description 5
- 229910052895 riebeckite Inorganic materials 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 abstract description 8
- 239000000463 material Substances 0.000 abstract description 4
- 238000001035 drying Methods 0.000 abstract description 2
- 101100491335 Caenorhabditis elegans mat-2 gene Proteins 0.000 description 16
- 102100040428 Chitobiosyldiphosphodolichol beta-mannosyltransferase Human genes 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
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- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
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Abstract
The invention discloses an adjustable rotary kiln heat collection system and a heat energy collection method. The adjustable rotary kiln heat collection system is composed of an upper heat collection cover, a lower heat collection cover, an adjustable lead screw, a cold air inlet, an arc-shaped sealing plate, a rotating hinged support, a hot air outlet, a diameter adjustable lead screw, a vertical support, a rotary kiln, a heat exchange channel, an annular baffle, a barrel-shaped temperature measuring and scanning device, a high-temperature fan and a pipeline. The space of the heat exchange channel and the cold air inlet volume are changed by adjusting the barrel-shaped heat collection cover, the temperature of hot air in the heat exchange channel is made to reach a set standard value, and hot air is pumped into the pipeline through the high-temperature fan from the hot air outlet. Dispersed heat can be fully recycled, the space of the heat exchange channel and the cold air inlet volume are changed by adjusting the barrel-shaped heat collection covers, and the temperature of hot air in the heat exchange channel is made to reach the set standard value, so that the requirement for drying or heating other materials is met, combustor devices for heating other materials are omitted, and investment cost is reduced.
Description
Technical field
The present invention relates to the outer surface heat collection technique field of large-sized rotary kiln, be especially used in the adjustable rotary kiln collecting system of one and the thermal energy collecting method of rotary kiln, the rotary kiln of alumina producing and the recovery of the rotary kiln outer surface heat of ceramic particle production industry of clinker production.
Background technology
At present, the production line that adopts large-sized rotary kiln heating to produce, its rotary kiln hull-skin temperature is higher, and temperature can be up to 300 ℃ of left and right, and most rotary kiln outer surface heats are not recycled, and are lost in atmosphere the loss waste in vain of this part heat.Firing rate while not only having increased burning for exposed kiln body in atmosphere, has strengthened production cost; Be exposed to the high temperature rotary kiln outer surface in atmosphere simultaneously, under the erosion of rainwater, accelerated the corrosion of kiln body, affect the service life of kiln body.
The kiln body heat collector of existing indivedual production lines, be open by water circulation smaller part garden, can only partly collect heat on one side at kiln body, and Water-cooling circulating efficiency be low, heat exchange is poor, affect on the contrary the cooling-down effect of kiln surface, make rotary kiln surface excess Temperature and affect normal production run, cannot adjust as required the gap with kiln body simultaneously, the water of collecting is not only at the bottom of temperature, and cannot adjust water temperature, heat recovery weak effect, applies and is restricted.
In view of the foregoing, now invent a kind of adjustable rotary kiln collecting system and thermal energy collecting method.
Summary of the invention
The object of the invention is in order to overcome deficiency of the prior art, a kind of adjustable rotary kiln collecting system and thermal energy collecting method are provided, can fully recycle dispersed heat, meet the demand of drying or heating other material, save the burner apparatus of heating unclassified stores, reduce cost of investment; This device can be dismantled easily, does not affect normally using and overhauling of rotary kiln; This device can guarantee not affect kiln body temperature measurement scanner and normally works simultaneously.
The present invention to achieve these goals, adopts following technical scheme: a kind of adjustable rotary kiln collecting system and thermal energy collecting method are by upper collector mat, lower collector mat, adjusting screw, cold wind import, arc sealing plate, rotates free bearing, hot-blast outlet, diameter is adjusted screw mandrel, vertical bearing, rotary kiln, hot switching path, ring baffle, cylindrical shell temperature measuring scanning device, high-temperature blower, pipeline forms; Half drum-shaped next part heat cover top arranges collector mat on half drum-shaped and forms cylinder body collector mat, in cylinder body collector mat, rotary kiln is set, asbestos refractory plate is set between the two ends of cylinder body collector mat and rotary kiln, makes to form between cylinder body collector mat and rotary kiln the hot switching path of sealing; Many group adjusting screws are set between collector mat and lower collector mat in one side of cylinder body collector mat, and every group is at least 2, makes to form cold wind import between collector mat and lower collector mat; Many groups are set between collector mat and lower collector mat on the opposite side of cylinder body collector mat and rotate free bearing, every group is at least 2, inner side between upper collector mat and lower collector mat arranges arc sealing plate, on the lower thermal-arrest cover outer wall of rotation free bearing below, at least one hot-blast outlet is set; The cold wind import department correspondence of cylinder body collector mat arranges simplified temperature measuring scanning device, the setting corresponding to the air inlet of high-temperature blower of the hot-blast outlet of cylinder body collector mat, the setting corresponding to pipeline of the air outlet of high-temperature blower; Lower collector mat below correspondence arranges the vertical bearing of many groups, and every group is at least 4, and the both sides correspondence of lower collector mat arranges many group diameters and adjusts screw mandrel, and every group is at least 4, and the quantity that vertical bearing and diameter are adjusted screw mandrel is all even number.
Described cylinder body collector mat is divided into cylinder body collector mat entirety and combination cylinder body collector mat, combination cylinder body collector mat is constituted by least two sections of cylinder body collector mats, combine corresponding rotary kiln between two sections of cylinder body collector mats that cylinder body collector mat is adjacent ring baffle is set, ring baffle makes to form independently hot switching path between every section of cylinder body collector mat and rotary kiln, on the lower thermal-arrest cover outer wall of every section of cylinder body collector mat, at least one hot-blast outlet is set.
Cold air enters the hot switching path between cylinder body collector mat and rotary kiln from cold wind import, cold air carries out heat exchange with rotary kiln outer surface in hot switching path, the outer surface of rotary kiln is cooled, simultaneously, cold air in hot switching path is heated, adjust screw mandrel and adjusting screw by the vertical bearing, the diameter that regulate cylinder body collector mat, change the space of hot switching path and the intake of cold air, make the temperature of hot gas in hot switching path reach the standard value of setting, hot gas from hot-blast outlet by high-temperature blower suction pipeline.
Cylindrical shell temperature measuring scanning device carries out thermometric to rotary kiln hull-skin temperature, the temperature of rotary kiln outer surface is 100～600 ℃, adjust the distance of collector mat and rotary kiln under the Level Change of vertical bearing, adjust many groups diameter of lower collector mat below and adjust screw mandrel, make the radius of lower collector mat increase or diminish, the space of the hot switching path between lower collector mat and rotary kiln increases or diminishes; Many groups adjusting screw in adjustment between collector mat and lower collector mat, between upper collector mat and lower collector mat, be connected by arc sealing plate, upper collector mat is rotated take rotation free bearing as fulcrum, make the space of the hot switching path between collector mat and rotary kiln increase or diminish, make the intake of cold wind import cold air increase or reduce; The radius of upper collector mat increases or reduces with the radius of lower collector mat, makes the diameter of cylinder body collector mat increase or reduce, and the space of realizing hot switching path increases or reduces; When the space of hot switching path increases, hot gas temperature reduces, and when the space of hot switching path reduces, hot gas temperature raises, when the temperature of hot gas reaches 80～350 ℃, hot gas from hot-blast outlet by high-temperature blower suction pipeline.
Combination cylinder body collector mat is identical to the method for adjustment of hot gas temperature in hot switching path with cylinder body collector mat entirety.
The ring baffle of combination cylinder body collector mat is resistant to elevated temperatures flexible sheet, and ring baffle is with the adjusting flexural deformation of every section of cylinder body collector mat.
The invention has the beneficial effects as follows: between cylinder body collector mat and rotary kiln outer surface, form air heat exchange; Combination cylinder body collector mat is to become some sections of collector mats according to the Design of length of rotary kiln, and multistage drum-shaped collector mat common combination forms collector mat entirety, and each section of collector mat carries out heat-obtaining to the different parts of rotary kiln; Asbestos refractory plate is set between the two ends of cylinder body collector mat and rotary kiln, the two ends of cylinder body collector mat seal with flange screw asbestos refractory plate, prevent that cold wind from entering in collector mat from the two ends of collector mat, make to form between cylinder body collector mat and rotary kiln the hot switching path of sealing; Cold wind import is corresponding with the cylindrical shell temperature measuring scanning device of rotary kiln work system, can meet the requirement of cylindrical shell scanner working space scope; Arc sealing plate is to sealing between upper collector mat and lower collector mat, can prevent that the hot blast in hot switching path from leaking from connecting free bearing, and the flexible distortion of arc sealing plate, can meet upper collector mat and lower collector mat rotates requirement flexibly, guarantee the requirement of sealing.
Cool exterior air enters hot switching path from cold wind import, mobile cold air carries out cooling to the kiln external surface of high temperature, simultaneously by Fast Heating, change the space of hot switching path and the intake of cold air by the diameter that regulates cylinder body collector mat, make the temperature of hot gas in hot switching path reach the standard value of setting, hot-blast outlet is connected with the high-temperature blower of rotary kiln collecting system, high-temperature blower aspirates the hot-air in hot switching path road from hot-blast outlet, the hot gas being drawn out of is transported to everywhere by pipeline, heating material is provided, dry, heating, the function such as have a bath.
Make full use of dispersed heat, saved fuel cost, greatly improved energy utilization rate; Can adjust quickly and easily the gap between collector mat and rotary kiln, realize the adjustment to hot air temperature; Removing and installing conveniently of collector mat, does not affect the normal work of rotary kiln work system; Improve the service life of rotary kiln, reduced maintenance cost; Reduce the heat radiation of rotary kiln to surrounding enviroment, improved the working environment of rotary kiln periphery.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the invention will be further described:
Fig. 1, rotary kiln collecting system general assembly structural representation;
Fig. 2, cylindrical shell temperature measuring scanning device schematic diagram;
Fig. 3, collector mat entirety perspective view;
Fig. 4, combination thermal-arrest hood assembly structure schematic diagram;
In Fig. 1,2,3,4: upper collector mat 1, lower collector mat 2, adjusting screw 3, cold wind import 4, arc sealing plate 5, rotates free bearing 6, hot-blast outlet 7, diameter is adjusted screw mandrel 8, vertical bearing 9, rotary kiln 10, hot switching path 11, ring baffle 12, simplified temperature measuring scanning device 13, high-temperature blower 14, pipeline 15.
The specific embodiment
Below in conjunction with embodiment and the specific embodiment, the present invention is described in further detail:
Embodiment 1
Half drum-shaped next part heat cover 2 tops arrange collector mat 1 on half drum-shaped and form cylinder body collector mat, rotary kiln 10 is set in cylinder body collector mat, between the two ends of cylinder body collector mat and rotary kiln 10, asbestos refractory plate is set, makes to form between cylinder body collector mat and rotary kiln 10 hot switching path 11 of sealing; Many group adjusting screws 3 are set between collector mat 1 and lower collector mat 2 in one side of cylinder body collector mat, and every group is at least 2, makes to form cold wind import 4 between collector mat 1 and lower collector mat 2; Many groups are set between collector mat 1 and lower collector mat 2 on the opposite side of cylinder body collector mat and rotate free bearing 6, every group is at least 2, inner side between upper collector mat 1 and lower collector mat 2 arranges arc sealing plate 5, on lower collector mat 2 outer walls of rotation free bearing 6 belows, at least one hot-blast outlet 7 is set; Cold wind import 4 place's correspondences of cylinder body collector mat arrange simplified temperature measuring scanning device 13, the setting corresponding to the air inlet of high-temperature blower 14 of the hot-blast outlet 7 of cylinder body collector mat, the setting corresponding to pipeline 15 of the air outlet of high-temperature blower 14; Lower collector mat 2 below correspondences arrange the vertical bearing 9 of many groups, and every group is at least 4, and the both sides correspondence of lower collector mat 2 arranges many group diameters and adjusts screw mandrel 8, and every group is at least 4, and the quantity that vertical bearing 9 and diameter are adjusted screw mandrel 8 is all even number.
Described cylinder body collector mat is divided into cylinder body collector mat entirety and combination cylinder body collector mat, combination cylinder body collector mat is constituted by least two sections of cylinder body collector mats, combine corresponding rotary kiln 10 between two sections of cylinder body collector mats that cylinder body collector mat is adjacent ring baffle 12 is set, ring baffle 12 makes to form independently hot switching path 11 between every section of cylinder body collector mat and rotary kiln 10, on lower collector mat 2 outer walls of every section of cylinder body collector mat, at least one hot-blast outlet 7 is set.
Embodiment 3
Cold air enters the hot switching path 11 between cylinder body collector mat and rotary kiln 10 from cold wind import 4, cold air carries out heat exchange with rotary kiln 10 outer surfaces in hot switching path 11, the outer surface of rotary kiln 10 is cooled, simultaneously, cold air in hot switching path 11 is heated, by regulating the vertical bearing 9 of cylinder body collector mat, diameter is adjusted screw mandrel 8 and adjusting screw 3, change the space of hot switching path 11 and the intake of cold air, make the temperature of hot switching path 11 interior hot gas reach the standard value of setting, hot gas from hot-blast outlet 7 by high-temperature blower 14 suction pipelines 15.
Embodiment 4
Simplified temperature measuring scanning device 13 carries out thermometric to rotary kiln 10 hull-skin temperatures, the temperature of rotary kiln 10 outer surfaces is 100～600 ℃, adjust the distance of collector mat 2 and rotary kiln 10 under the Level Change of vertical bearing 9, adjust many groups diameter of lower collector mat 2 belows and adjust screw mandrel 8, make the radius of lower collector mat 2 increase or diminish, the space of the hot switching path 11 between lower collector mat 2 and rotary kiln 10 increases or diminishes; Many groups adjusting screw 3 in adjustment between collector mat 1 and lower collector mat 2, between upper collector mat 1 and lower collector mat 2, be connected by arc sealing plate 5, upper collector mat 1 is rotated take rotation free bearing 6 as fulcrum, make the space of the hot switching path 11 between collector mat 1 and rotary kiln 10 increase or diminish, make the intake of cold wind import 4 cold airs increase or reduce; The radius of upper collector mat 1 increases or reduces with the radius of lower collector mat 2, makes the diameter of cylinder body collector mat increase or reduce, and the space of realizing hot switching path 11 increases or reduces; When the space of hot switching path 11 increases, hot gas temperature reduces, and when the space of hot switching path 11 reduces, hot gas temperature raises, when the temperature of hot gas reaches 80～350 ℃, hot gas from hot-blast outlet 7 by high-temperature blower 14 suction pipelines 15.
Combination cylinder body collector mat is identical to the method for adjustment of hot switching path 11 interior hot gas temperatures with cylinder body collector mat entirety.
Embodiment 6
The ring baffle 12 of combination cylinder body collector mat is resistant to elevated temperatures flexible sheet, and ring baffle 12 is with the adjusting flexural deformation of every section of cylinder body collector mat.
Claims (6)
1. an adjustable rotary kiln collecting system, by upper collector mat (1), lower collector mat (2), adjusting screw (3), cold wind import (4), arc sealing plate (5), rotates free bearing (6), hot-blast outlet (7), diameter is adjusted screw mandrel (8), vertical bearing (9), rotary kiln (10), hot switching path (11), ring baffle (12), cylindrical shell temperature measuring scanning device (13), high-temperature blower (14), pipeline (15) forms; It is characterized in that: half drum-shaped next part heat cover (2) top arranges collector mat on half drum-shaped (1) and forms cylinder body collector mat, rotary kiln (10) is set in cylinder body collector mat, the two ends of cylinder body collector mat and rotary kiln arrange asbestos refractory plate between (10), make to form between cylinder body collector mat and rotary kiln (10) hot switching path (11) of sealing; Many group adjusting screws (3) are set between collector mat (1) and lower collector mat (2) in one side of cylinder body collector mat, every group is at least 2, makes to form cold wind import (4) between collector mat (1) and lower collector mat (2); Many groups are set between collector mat on the opposite side of cylinder body collector mat (1) and lower collector mat (2) and rotate free bearing (6), every group is at least 2, inner side between upper collector mat (1) and lower collector mat (2) arranges arc sealing plate (5), on lower collector mat (2) outer wall of rotation free bearing (6) below, at least one hot-blast outlet (7) is set; The cold wind import (4) of cylinder body collector mat is located correspondence cylindrical shell temperature measuring scanning device (13) is set, the corresponding setting of air inlet of the hot-blast outlet (7) of cylinder body collector mat and high-temperature blower (14), the setting corresponding to pipeline (15) of the air outlet of high-temperature blower (14); Lower collector mat (2) below correspondence arranges the vertical bearing of many groups (9), every group is at least 4, the both sides correspondence of lower collector mat (2) arranges many group diameters and adjusts screw mandrel (8), every group is at least 4, and the quantity that vertical bearing (9) and diameter are adjusted screw mandrel (8) is all even number.
2. the adjustable rotary kiln collector mat of one according to claim 1, it is characterized in that: described cylinder body collector mat is divided into cylinder body collector mat entirety and combination cylinder body collector mat, combination cylinder body collector mat is constituted by least two sections of cylinder body collector mats, combine corresponding rotary kiln (10) between two sections of cylinder body collector mats that cylinder body collector mat is adjacent ring baffle (12) is set, ring baffle (12) makes to form between every section of cylinder body collector mat and rotary kiln (10) independently hot switching path (11), on lower collector mat (2) outer wall of every section of cylinder body collector mat, at least one hot-blast outlet (7) is set.
3. right to use requires 1, the thermal energy collecting method of a kind of adjustable rotary kiln collecting system described in 2, it is characterized in that: cold air enters the hot switching path (11) between cylinder body collector mat and rotary kiln (10) from cold wind import (4), cold air carries out heat exchange with rotary kiln (10) outer surface in hot switching path (11), the outer surface of rotary kiln (10) is cooled, simultaneously, cold air in hot switching path (11) is heated, by regulating the vertical bearing (9) of cylinder body collector mat, diameter is adjusted screw mandrel (8) and adjusting screw (3), change the space of hot switching path (11) and the intake of cold air, make the temperature of the interior hot gas of hot switching path (11) reach the standard value of setting, hot gas from hot-blast outlet (7) by high-temperature blower (14) suction pipeline (15).
4. the thermal energy collecting method of a kind of adjustable rotary kiln collecting system according to claim 3, it is characterized in that: simplified temperature measuring scanning device (13) carries out thermometric to rotary kiln (10) hull-skin temperature, the temperature of rotary kiln (10) outer surface is 100～600 ℃, adjust the distance of collector mat (2) and rotary kiln (10) under the Level Change of vertical bearing (9), adjust many groups diameter of lower collector mat (2) below and adjust screw mandrel (8), make the radius of lower collector mat (2) increase or diminish, the space of the hot switching path (11) between lower collector mat (2) and rotary kiln (10) increases or diminishes, many groups adjusting screw (3) between collector mat in adjustment (1) and lower collector mat (2), between upper collector mat (1) and lower collector mat (2), be connected by arc sealing plate (5), upper collector mat (1) is rotated as fulcrum to rotate free bearing (6), make the space of the hot switching path (11) between collector mat (1) and rotary kiln (10) increase or diminish, make the intake of cold wind import (4) cold air increase or reduce, the radius of upper collector mat (1) increases or reduces with the radius of lower collector mat (2), makes the diameter of cylinder body collector mat increase or reduce, and the space of realizing hot switching path (11) increases or reduces, when the space of hot switching path (11) increases, hot gas temperature reduces, when the space of hot switching path (11) reduces, hot gas temperature raises, when the temperature of hot gas reaches 80～350 ℃, hot gas from hot-blast outlet (7) by high-temperature blower (14) suction pipeline (15).
5. the thermal energy collecting method of a kind of adjustable rotary kiln collecting system according to claim 3, is characterized in that: combination cylinder body collector mat is identical to the method for adjustment of the interior hot gas temperature of hot switching path (11) with cylinder body collector mat entirety.
6. the thermal energy collecting method of a kind of adjustable rotary kiln collecting system according to claim 3, it is characterized in that: the ring baffle (12) of combination cylinder body collector mat is resistant to elevated temperatures flexible sheet, and ring baffle (12) is with the adjusting flexural deformation of every section of cylinder body collector mat.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410097187.1A CN103822496B (en) | 2014-03-11 | 2014-03-11 | A kind of adjustable rotary kiln collecting system and thermal energy collecting method |
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| CN201410097187.1A CN103822496B (en) | 2014-03-11 | 2014-03-11 | A kind of adjustable rotary kiln collecting system and thermal energy collecting method |
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| CN103822496B CN103822496B (en) | 2015-09-30 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106247813A (en) * | 2016-08-30 | 2016-12-21 | 博广热能股份有限公司 | A kind of slewing surface waste-heat recovery device and recovery method |
| CN106839874A (en) * | 2017-04-14 | 2017-06-13 | 北京特种机械研究所 | One kind can high efficiency temperature controlled composite cylinder |
| CN109373752A (en) * | 2018-10-24 | 2019-02-22 | 江苏鹏飞集团股份有限公司 | Variable diameter cement rotary kiln with function of recovering waste heat |
| CN110793337A (en) * | 2018-08-02 | 2020-02-14 | 天壕环境股份有限公司 | Rotary kiln barrel waste heat recovery system |
| CN111397383A (en) * | 2020-04-01 | 2020-07-10 | 郏县中联天广水泥有限公司 | Rotary kiln waste heat comprehensive utilization system |
| CN117091399A (en) * | 2023-10-17 | 2023-11-21 | 山西卓越水泥有限公司 | Raw material calcination rotary kiln for cement production |
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| CN117091399A (en) * | 2023-10-17 | 2023-11-21 | 山西卓越水泥有限公司 | Raw material calcination rotary kiln for cement production |
| CN117091399B (en) * | 2023-10-17 | 2024-01-09 | 山西卓越水泥有限公司 | Raw material calcination rotary kiln for cement production |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103822496B (en) | 2015-09-30 |
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