CN209116738U - A kind of cooling segment structure of roller kilns - Google Patents
A kind of cooling segment structure of roller kilns Download PDFInfo
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- CN209116738U CN209116738U CN201821769867.3U CN201821769867U CN209116738U CN 209116738 U CN209116738 U CN 209116738U CN 201821769867 U CN201821769867 U CN 201821769867U CN 209116738 U CN209116738 U CN 209116738U
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- cooling
- burner hearth
- water
- conveying assembly
- segment structure
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Abstract
The utility model discloses a kind of cooling segment structures of roller kilns, including the temperature descending section furnace body with burner hearth, the conveying assembly for conveying material are equipped in burner hearth, the water-cooled heat-exchanging component for gas in cooled hearth is equipped in burner hearth.The utility model has many advantages, such as that simple and compact for structure, at low cost, cooling velocity is fast, controllability is good.
Description
Technical field
The utility model relates to technical field of heat treatment equipment, and in particular to a kind of cooling segment structure of roller kilns.
Background technique
Roller kilns are that material is heat-treated common equipment, and burner hearth is generally divided into warming-up section, constant temperature zone and temperature descending section three
Part.Material is cooled down after warming-up section and constant temperature zone complete heat treatment in temperature descending section, to meet tapping temperature requirement.Example
Such as, since the Si-C composite material under high temperature is oxidizable under air, tapping temperature is one when silicon-carbon cathode material is sintered
Important indicator, therefore the production technology of silicon-carbon cathode material has strict demand to tapping temperature.
The cooling device of existing temperature descending section be all using vent passages or water passage are arranged on ability furnace wall, by cold wind or
Water is passed through in vent passages or water passage, and air themperature in temperature descending section is reduced in a manner of through heat exchange, to reach cooling
The purpose of material.However, this kind of cooling structure and the cooling efficiency of the type of cooling are low, it is long the time required to material is cooling in furnace,
This will certainly reduce yield, seriously affect production efficiency and economic benefit.
Utility model content
The technical problems to be solved in the utility model is to overcome the shortcomings of the prior art, and it is simply tight to provide a kind of structure
It gathers, is at low cost, the cooling segment structure for the roller kilns that cooling velocity is fast, controllability is good.
In order to solve the above technical problems, the utility model uses following technical scheme:
A kind of cooling segment structure of roller kilns is equipped in the burner hearth for defeated including the temperature descending section furnace body with burner hearth
The conveying assembly of material is sent, the water-cooled heat-exchanging component for gas in cooled hearth is installed in the burner hearth.
As a further improvement of the above technical scheme:
The water-cooled heat changes component and includes the first cooling unit above the conveying assembly and/or be located at conveying assembly
Second cooling unit of lower section, first cooling unit and the second cooling unit include more than one water cooling heat exchanger.
First cooling unit and the second cooling unit include more than two directions along conveying assembly conveying material
The successively spaced apart water cooling heat exchanger.
The water cooling heat exchanger includes water tank, several U-shaped water service pipes and several cooling fins, and the water tank has mutually indepedent
Intake antrum and water chamber, the both ends of each U-shaped water service pipe are respectively corresponded to be connected to intake antrum and water chamber, and several cooling fins are successively
Arranged for interval, two straight pipes of every single u-shaped water service pipe run through each cooling fin of connection.
The flow-disturbing component for disturbing gas in burner hearth is equipped in the burner hearth.
The flow-disturbing component includes the purging port that more than one is connected with gas source, and the purging port is set in burner hearth and leans on
The position of nearly conveying assembly output end, and the direction for purging port blow gas is contrary with conveying assembly conveying material.
The top of the conveying assembly and/or the lower section of the conveying assembly are equipped with more than one described purging port.
The top of the burner hearth and/or the bottom of the burner hearth are equipped with several flow-stopping plates, and several flow-stopping plates are along conveying assembly
Successively arranged for interval, each flow-stopping plate convey the direction of material gradually to furnace along conveying assembly from inboard wall of burner hearth in the direction of conveying material
Inclination extends in the middle part of thorax.
Angle between each flow-stopping plate and burner hearth cross section is 30 °~50 °.
The temperature descending section furnace body is additionally provided with air-cooled component, and the air-cooled component includes cooling wind circulating device and is set to cooling
Air-cooled channel on section furnace body, the cooling wind circulating device are connected with the air-cooled channel and form following by air-cooled channel
Ring cooling wind.
Compared with the prior art, the advantages of the utility model are: the cooling segment structure of the roller kilns of the utility model,
Water-cooled heat-exchanging component is installed, water-cooled heat-exchanging component can efficiently be exchanged heat with gas in burner hearth, reach fast in burner hearth
The purpose of gas in fast cooled hearth greatly shortens material and exists to realize the effect for carrying out fast cooling to material in burner hearth
Cooling required time, can be improved production efficiency and business efficiency in burner hearth;Also, it is easier to control using water-cooled heat-exchanging component
Temperature in cooling velocity and burner hearth, controllability are good.The cooling segment structure also has simple and compact for structure, at low cost, easy to implement
The advantages of.
Detailed description of the invention
Fig. 1 is the schematic cross-sectional view of the cooling segment structure of roller kilns.
Fig. 2 is the schematic perspective view of water cooling heat exchanger.
Fig. 3 is the schematic perspective view that the straight pipe of U-shaped water service pipe is connect with cooling fin.
Marginal data:
1, temperature descending section furnace body;11, burner hearth;2, conveying assembly;3, water cooling heat exchanger;31, water tank;32, U-shaped water service pipe;33,
Cooling fin;331, cannula portion;4, port is purged;5, flow-stopping plate.
Specific embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
As shown in Figure 1, the cooling segment structure of the roller kilns of the present embodiment, including the temperature descending section furnace body 1 with burner hearth 11, furnace
It is equipped with the conveying assembly 2 for conveying material in thorax 11, the water-cooled for gas in cooled hearth 11 is installed in burner hearth 11
Heat-exchanging component.In the cooling segment structure of the roller kilns, water-cooled heat-exchanging component, water-cooled heat-exchanging component are installed in burner hearth 11
It can efficiently be exchanged heat with gas in burner hearth 11, achieve the purpose that be quickly cooled down gas in burner hearth 11, to realize to burner hearth
Material carries out the effect of fast cooling in 11, greatly shortens material and the time required to cooling, production efficiency can be improved in burner hearth 11
And business efficiency;Also, temperature in cooling velocity and burner hearth 11 is easier to control using water-cooled heat-exchanging component, controllability is good.
The cooling segment structure also has the advantages that simple and compact for structure, at low cost, easy to implement.
In the present embodiment, it includes positioned at the first cooling unit of 2 top of conveying assembly and positioned at defeated that water-cooled heat, which changes component,
Second cooling unit of 2 lower section of sending component, the first cooling unit and the second cooling unit include more than one water cooling heat exchanger
3.It is respectively provided with water cooling heat exchanger 3 above and below conveying assembly 2, while the gas above and below conveying assembly 2 is carried out
Heat exchange cooling, can further increase cooling efficiency, and 11 inner space of burner hearth rationally is utilized, and not have to increase the appearance of burner hearth 11
In the case where product, the work of other component in burner hearth 11 will not be interfered.
In other embodiments, above-mentioned first cooling unit only can also be set above conveying assembly 2, or only in conveying group
Second cooling unit is set below part 2.
In the present embodiment, the first cooling unit and the second cooling unit include more than two along the conveying object of conveying assembly 2
The direction of material successively spaced apart water cooling heat exchanger 3.Multiple water cooling heat exchangers 3 along conveying assembly 2 convey material direction according to
Minor tick arrangement, can be such that the gas in entire burner hearth 11 is all quickly cooled down, and improve cooling uniformity and cooling efficiency.
In the present embodiment, as shown in Figures 2 and 3, water cooling heat exchanger 3 includes water tank 31, several U-shaped water service pipes 32 and several
Cooling fin 33, water tank 31 have mutually independent intake antrum and water chamber, and the both ends of each U-shaped water service pipe 32 respectively correspond and intake
Chamber is connected to water chamber, and successively arranged for interval, two straight pipes of every single u-shaped water service pipe 32 run through connection to several cooling fins 33
Each cooling fin 33.Above-mentioned intake antrum is connected with cooling water source, and water chamber is connected with outlet pipe, when work, by cooling water be passed through into
Water cavity, the cooling water in intake antrum can flow to water chamber through each U-shaped water service pipe 32, then pass through outlet pipe and be discharged.Cooling water passes through U
It exchanges heat when type water service pipe 32 with air in burner hearth 11 and cooling fin 33, while cooling fin 33 is changed with air in burner hearth 11
Heat, to realize air in cooled hearth 11.It is mutually indepedent between the U-shaped water service pipe 32 of the water cooling heat exchanger 3, heat exchange efficiency
It is high.Preferably, intake antrum is located at the top of water chamber, is conducive to cooling water Rapid Circulation.
Further, the corresponding every each straight pipe of each cooling fin 33 is equipped with one and is tightly sleeved in a manner of face contact in the straight tube
Cannula portion 331 outside section, each cooling fin 33 are equipped with the cannula portion being tightly sleeved outside the straight pipe in a manner of face contact
331, the heat transfer area between U-shaped water service pipe 32 and cooling fin 33 is increased, can further improve heat exchange efficiency, while can also
Improve the stable connection between U-shaped water service pipe 32 and cooling fin 33.
The flow-disturbing component for disturbing gas in burner hearth 11 is equipped in the present embodiment, in burner hearth 11.It is disturbed by flow-disturbing component
Gas in dynamic burner hearth 11 makes to generate air-flow in burner hearth 11, the heat exchange of gas and water-cooled heat-exchanging component in burner hearth 11 can be improved
Efficiency.
In the present embodiment, flow-disturbing component includes the purging port 4 that more than one is connected with gas source, and purging port 4 is set to furnace
Close to the position of 2 output end of conveying assembly in thorax 11, and purge direction and the conveying material of conveying assembly 2 of 4 blow gas of port
It is contrary.Purging 4 blow gas of port blows to the other end from 11 one end of burner hearth in this way, is conducive to reinforce gas in burner hearth 11
Disturbance effect, improve radiating efficiency;And it only need to be in burner hearth 11 close to the position of 2 output end of conveying assembly setting purging port
4, it will be able to disturb the gas in entire burner hearth 11, structural compactness can be improved, reduce cost, keep fabrication and installation maintenance simpler
Just;Meanwhile along from purging port 4 blow out lower temperature gas flow direction, the material that lower temperature gas is contacted
Temperature gradually rises, and can be improved heat transfer effect, the lower temperature gas and material conveying direction phase blown out from purging port 4
Instead, the relative velocity between lower temperature gas and material is fast, can be improved heat exchange efficiency.It is atmosphere protection roller-way in roller kilns
When kiln, above-mentioned gas source provides the process gas as protective atmosphere.
In the present embodiment, the top of conveying assembly 2 and the lower section of conveying assembly 2 are equipped with more than one purging port 4.This
Sample can reinforce the disturbance effect to gas in burner hearth 11, and water cooling heat exchange is especially respectively provided with above and below conveying assembly 2
When device 3, it can guarantee that all water cooling heat exchangers 3 have high heat exchange efficiency.In other embodiments, when only in conveying assembly 2
When top is arranged above-mentioned first cooling unit or the second cooling unit only is arranged below conveying assembly 2, it can convey
The top of component 2 and the lower section of conveying assembly 2 are equipped with more than one purging port 4.Or it ought only be set above conveying assembly 2
It is corresponding to be only equipped with purging port 4 in the top of conveying assembly 2 when setting above-mentioned first cooling unit.Only under conveying assembly 2
It is corresponding to be only equipped with purging port 4 in the lower section of conveying assembly 2 when side's the second cooling unit of setting.
In the present embodiment, the bottom of the top of burner hearth 11 and burner hearth 11 is equipped with several flow-stopping plates 5, and several flow-stopping plates 5 are along defeated
Successively arranged for interval, each flow-stopping plate 5 convey material along conveying assembly 2 from 11 inner wall of burner hearth in the direction of the conveying material of sending component 2
Direction gradually extends to inclination in the middle part of burner hearth 11.The air-flow generated after purging 4 blow gas of port, above-mentioned flow-stopping plate 5 can stop
Fraction, and so that air-flow is turned back and flow to water cooling heat exchanger 3 again, increase the frequency of exposure of gas Yu water cooling heat exchanger 3
And time of contact, frequency of exposure and the time of contact of gas and material are also increased, can further improve heat exchange efficiency.At other
In embodiment, several flow-stopping plates 5 only can also be equipped at the top of burner hearth 11, or be only equipped with several baffles in the bottom of burner hearth 11
Plate 5.
In the present embodiment, the angle between each flow-stopping plate 5 and 11 cross section of burner hearth (vertical plane) is 30 °~50 °, makes to turn back
The gas flow of reflux is most suitable, and the gas flow for reflux of turning back is also most suitable, reaches optimal heat exchange efficiency.
In the present embodiment, temperature descending section furnace body 1 is additionally provided with air-cooled component, and air-cooled component includes cooling wind circulating device and is set to
Air-cooled channel on temperature descending section furnace body 1, cooling wind circulating device are connected with air-cooled channel and form the circulation by air-cooled channel
Cooling wind, the circulating cooling wind in air-cooled channel carry out heat exchange by air in temperature descending section furnace body 1 and burner hearth 11, play cooling
The effect of air in burner hearth 11.By the common cooling effect of air-cooled component and water-cooled heat-exchanging component, can further improve cold
But efficiency.
The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to
Above-described embodiment.To those of ordinary skill in the art, gained under the premise of not departing from the utility model technical concept
To modifications and variations also should be regarded as the protection scope of the utility model.
Claims (10)
1. a kind of cooling segment structure of roller kilns is set in the burner hearth (11) including the temperature descending section furnace body (1) with burner hearth (11)
There is the conveying assembly (2) for conveying material, it is characterised in that: be equipped in the burner hearth (11) in cooled hearth (11)
The water-cooled heat-exchanging component of gas.
2. cooling segment structure according to claim 1, it is characterised in that: it includes being located at conveying that the water-cooled heat, which changes component,
The first cooling unit above component (2) and/or the second cooling unit below conveying assembly (2), described first is cooling
Unit and the second cooling unit include more than one water cooling heat exchanger (3).
3. cooling segment structure according to claim 2, it is characterised in that: first cooling unit and the second cooling unit
It include more than two directions along conveying assembly (2) conveying material successively spaced apart water cooling heat exchanger (3).
4. cooling segment structure according to claim 2, it is characterised in that: the water cooling heat exchanger (3) include water tank (31),
Several U-shaped water service pipes (32) and several cooling fins (33), the water tank (31) have mutually independent intake antrum and water chamber, respectively
The both ends of U-shaped water service pipe (32) are respectively corresponded to be connected to intake antrum and water chamber, several cooling fins (33) successively arranged for interval, often
Two straight pipes of single u-shaped water service pipe (32) run through each cooling fin (33) of connection.
5. cooling segment structure according to claim 1, it is characterised in that: be equipped in the burner hearth (11) for disturbing burner hearth
(11) the flow-disturbing component of interior gas.
6. cooling segment structure according to claim 5, it is characterised in that: the flow-disturbing component includes more than one and gas source
Connected purging port (4), purging port (4) are set to the position in burner hearth (11) close to conveying assembly (2) output end, and
The direction for purging port (4) blow gas is contrary with conveying assembly (2) conveying material.
7. cooling segment structure according to claim 6, it is characterised in that: the top of the conveying assembly (2) and/or described
The lower section of conveying assembly (2) is equipped with more than one described purging port (4).
8. cooling segment structure according to claim 6, it is characterised in that: the top of the burner hearth (11) and/or the furnace
The bottom of thorax (11) be equipped with several flow-stopping plates (5), several flow-stopping plates (5) along conveying assembly (2) conveying material direction successively between
Every arrangement, each flow-stopping plate (5) is from burner hearth (11) inner wall along the direction of conveying assembly (2) conveying material gradually to burner hearth (11) middle part
Inclination extends.
9. cooling segment structure according to claim 8, it is characterised in that: each flow-stopping plate (5) and burner hearth (11) cross section it
Between angle be 30 ° ~ 50 °.
10. cooling segment structure according to any one of claim 1 to 9, it is characterised in that: the temperature descending section furnace body (1)
It is additionally provided with air-cooled component, the air-cooled component includes cooling wind circulating device and the air-cooled channel that is set on temperature descending section furnace body (1),
The cooling wind circulating device is connected with the air-cooled channel and forms the circulating cooling wind by air-cooled channel.
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CN201821769867.3U CN209116738U (en) | 2018-10-30 | 2018-10-30 | A kind of cooling segment structure of roller kilns |
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CN201821769867.3U CN209116738U (en) | 2018-10-30 | 2018-10-30 | A kind of cooling segment structure of roller kilns |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109269296A (en) * | 2018-10-30 | 2019-01-25 | 湖南金炉科技股份有限公司 | A kind of cooling segment structure of roller kilns |
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2018
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109269296A (en) * | 2018-10-30 | 2019-01-25 | 湖南金炉科技股份有限公司 | A kind of cooling segment structure of roller kilns |
CN109269296B (en) * | 2018-10-30 | 2024-04-09 | 湖南金炉科技股份有限公司 | Cooling section structure of roller kiln |
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