CN209326385U - A kind of high-temperature flue gas cooling pipe - Google Patents

A kind of high-temperature flue gas cooling pipe Download PDF

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Publication number
CN209326385U
CN209326385U CN201821991192.7U CN201821991192U CN209326385U CN 209326385 U CN209326385 U CN 209326385U CN 201821991192 U CN201821991192 U CN 201821991192U CN 209326385 U CN209326385 U CN 209326385U
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CN
China
Prior art keywords
inner tube
flue gas
temperature flue
tube
cooling pipe
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CN201821991192.7U
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Chinese (zh)
Inventor
徐鑫
汪为忠
陈华峰
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HEFEI DESIRED ENVIRONMENTAL TECHNOLOGY Co Ltd
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HEFEI DESIRED ENVIRONMENTAL TECHNOLOGY Co Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/25Process efficiency

Abstract

The utility model discloses a kind of high-temperature flue gas cooling pipe, including inner tube, outer tube;Said inner tube is arranged in the outer tube, and said inner tube and the outer coaxial tube are arranged, said inner tube and the outer tube both ends are tightly connected, the outer tube is provided with water outlet and water inlet, the water inlet and the water outlet are connect with external cooling water system, to make being in fluid communication between the cooling water system and said inner tube and the outer tube;Said inner tube, which extends internally, is provided with spiral helicine flow-disturbing component;The setting of flow-disturbing component described in the utility model, disturbance can be generated to flue gas when low discharge high-temperature flue gas transmits, to make low discharge high-temperature flue gas passively become turbulent condition from laminar condition, the diffusivity for increasing high-temperature flue gas, improves the high-temperature flue gas cooling pipe to the cooling effect of low discharge high-temperature flue gas.

Description

A kind of high-temperature flue gas cooling pipe
Technical field
The utility model relates to industrial filter apparatus fields, and in particular to a kind of high-temperature flue gas cooling pipe.
Background technique
A large amount of high-temperature flue gas can be generated in process of production for equipment such as metallurgical furnace kilns, to avoid flue gas to the shadow of environment It rings, processing need to be dusted to high-temperature flue gas.Enter between cleaner in high-temperature flue gas, due to by deduster material and structure Condition is limited, it is necessary to be dusted purification after being cooled to high-temperature flue gas again.
Flowed fluctuation is larger when common high-temperature flue gas transmits in cooling pipe, and when flue gas flow is larger, flue gas is in Turbulent condition, flue gas with cooling pipe can adequately contact and heat exchange is, it can be achieved that preferable cooling effect;But flue gas When flow is smaller, flue gas is laminar state, in addition to heat exchange can be obtained in the outer layer flue gas directly contacted with cooling pipe, in flue gas Portion's poor diffusivity reduces the cooling effect of cooling pipe.
In view of the above drawbacks, the utility model creator obtains originally practical new finally by prolonged research and practice Type.
Utility model content
To solve above-mentioned technological deficiency, the technical solution adopted in the utility model is, it is cooling to provide a kind of high-temperature flue gas Pipeline, including inner tube, outer tube;Said inner tube setting is in the outer tube, and said inner tube and the outer coaxial tube are arranged, institute It states inner tube and the outer tube both ends to be tightly connected, the outer tube is provided with water outlet and water inlet, the water inlet and described Water outlet is connect with external cooling water system, to make the stream between the cooling water system and said inner tube and the outer tube Dynamic connection;Said inner tube, which extends internally, is provided with spiral helicine flow-disturbing component.
Preferably, the flow-disturbing component is set as several fins, the fin helically sheet on said inner tube inner wall Distribution.
Preferably, the fin is set as the sheet metal with heating conduction.
Preferably, the fin is set as described interior along the length dimension that said inner tube radially extends from said inner tube inner wall The 1/5 to 1/3 of bore size.
Preferably, support plate is additionally provided between said inner tube and the outer tube, the support plate while and said inner tube It is tightly connected with the outer tube, and the support plate is spirally distributed, to make to be formed between said inner tube and the outer tube Spiral helicine flow channel.
Preferably, the fin and the support plate quantity are disposed as one, and the fin and the support plate are wrong Bit interleaving setting.
It is recessed towards axis direction the circulation groove to be formed preferably, the flow-disturbing component is set as the inner cylinder circular arc, institute It states inner tube and the outer tube fits closely, the circulation passage of the circulation groove and outer tube formation cooling water;The circulation groove Spiral setting, is arranged in the water inlet of the outer tube, the water outlet is connected to the circulation groove;Constitute the circulation groove The invagination tube wall muscle portion spiral in the inner wall spirogyrate of said inner tube.
Preferably, the circulation groove cross-sectional shape is set as rectangle or triangle.
Preferably, the flow-disturbing component further includes disturbing air bound plate, dead axle is provided in said inner tube, the dead axle both ends are solid It is scheduled on the inner wall of said inner tube, and being arranged radially along said inner tube;The air bound plate of disturbing is provided with through hole, the dead axle Across the through hole to disturb air bound plate described in fixed, the through hole passes through the center for disturbing air bound plate, described to disturb gas Partition can be around the fixed-axis rotation.
Preferably, being additionally provided with elastic component in the through hole, the elastic component is set as torsion spring, described to disturb air bound Plate is obliquely installed under the action of the elastic component with horizontal plane holding.
Compared with the prior art the utility model has the beneficial effects that: the setting of flow-disturbing component described in the utility model, Disturbance can be generated to flue gas when low discharge high-temperature flue gas transmits, so that low discharge high-temperature flue gas be made passively to become from laminar condition Turbulent condition increases the diffusivity of high-temperature flue gas, improves cooling of the high-temperature flue gas cooling pipe to low discharge high-temperature flue gas Effect.
Detailed description of the invention
Fig. 1 is the front view of high-temperature flue gas cooling pipe described in the utility model;
Fig. 2 is the top view of high-temperature flue gas cooling pipe described in the utility model;
Fig. 3 is the sectional front view of high-temperature flue gas cooling pipe embodiment two described in the utility model;
Fig. 4 is the sectional front view of high-temperature flue gas cooling pipe embodiment three described in the utility model;
Fig. 5 is the connection view for disturbing air bound plate;
Fig. 6 is the topology view for disturbing air bound plate.
Digital representation in figure:
1- inner tube;2- outer tube;3- water outlet;4- water inlet;5- fin;6- support plate;7- circulation groove;8- disturbs air bound plate; 9- dead axle;10- elastic component.
Specific embodiment
Below in conjunction with attached drawing, the above and other technical features and advantages of the present invention are described in more detail.
Embodiment one
As depicted in figs. 1 and 2, Fig. 1 is the front view of high-temperature flue gas cooling pipe described in the utility model;Fig. 2 is this reality With the top view of the novel high-temperature flue gas cooling pipe;High-temperature flue gas cooling pipe described in the utility model includes inner tube 1, outer Pipe 2;Said inner tube 1 is arranged inside the outer tube 2, and said inner tube 1 and the outer tube 2 are coaxially disposed, said inner tube 1 and institute The sealed connection of 2 both ends of outer tube is stated, to realize that the space between said inner tube 1 and the outer tube 2 is in sealing state.
The outer tube 2 is provided with water outlet 3 and water inlet 4, and the water inlet 4 and the water outlet 3 are cooling with outside Water system connection, thus make the cooling water system by the water inlet 4 transmit cooling water enter said inner tube 1 and it is described outside In sealing space between pipe 2, and the cooling water in the sealing space is exported by the water outlet 3, to realize cold But water the sealing space flowing, by the thermal conduction effect of high-temperature flue gas in the cooling water and the pipeline, to height Warm flue gas implements cooling processing.
Preferably, the High-temperature cooling pipe is generally vertically arranged, the bottom end of the outer tube 2 is arranged in the water inlet 4;Institute State the top that the outer tube 2 is arranged in water outlet 3, thus guarantee in the sealing space cooling water of relative low temperature with it is described interior The flue gas of relatively-high temperature is contacted in pipe 1, to improve the cooling effect of the high-temperature flue gas cooling pipe entirety.
Preferably, being provided with several fins 5 on 1 inner wall of said inner tube;The fin 5 helically sheet;Pass through the wing The setting of piece 5, when the fin 5 generates disturbance to flue gas to the high-temperature flue gas of low discharge when said inner tube 1 is transmitted, to make low Flow high-temperature flue gas passively becomes turbulent condition from laminar condition, increases the diffusivity of high-temperature flue gas, improves the high-temperature flue gas Cooling effect of the cooling pipe to low discharge high-temperature flue gas.
It is worth noting that when the high-temperature flue gas of high flow capacity passes through the high-temperature flue gas cooling pipe, the fin 5 The diffusion effect that can further improve the high-temperature flue gas is set, to increase thermal conduction rate.
Meanwhile the fin 5 is set as the good sheet metal of heating conduction, is handed over by the heat of the fin 5 and cooling water It changes, in conjunction with the fin 5 from 1 inner wall of said inner tube extended structure internally, it can be achieved that 1 location mid-shaft of said inner tube is in The cooling of flue gas;To improve the cooling effect of the high-temperature flue gas cooling pipe.
Preferably, the fin 5 is generally arranged from 1 inner wall of said inner tube along the length dimension that said inner tube 1 radially extends It is the 1/5 to 1/3 of 1 internal diameter of said inner tube, to improve high-temperature flue gas guaranteeing to adjust the high-temperature flue gas turbulent condition It is diffusible simultaneously, avoid reducing velocity of liquid assets of the high-temperature flue gas in said inner tube 1.
Embodiment two
As shown in figure 3, Fig. 3 is the sectional front view of high-temperature flue gas cooling pipe embodiment two described in the utility model;Institute It states and is additionally provided with support plate 6 between inner tube 1 and the outer tube 2, the support plate 6 is close with said inner tube 1 and the outer tube 2 simultaneously Envelope connection, and the support plate 6 is spirally distributed, to make to form spiral helicine stream between said inner tube 1 and the outer tube 2 Dynamic channel is exported from the cold cut water of the water inlet 4 along the flow channel helical flow and from the water outlet 3, to mention The height cooling effect whole to said inner tube 1, and further strengthen the cooling to high-temperature gas in said inner tube 1;It is described simultaneously Support plate 6 guarantees the relative position of said inner tube 1 and the outer tube 2, improves the integral strength of the high-temperature flue gas cooling pipe.
Preferably, the fin 5 and 6 quantity of the support plate that are located inside and outside said inner tube 1 are disposed as 1, And the fin 5 and the support plate 6 dislocation be arranged alternately, i.e., on same cross section, adjacent two 6 section of support plate it Between the circulation passage section that is formed is corresponding is arranged with 5 section of fin, to make the cooling in the circulation passage section Water provides preferable thermal conduction effect to the fin 5, improves to the cooling effect for being in 1 location mid-shaft flue gas of said inner tube.
Embodiment three
As shown in figure 4, Fig. 4 is the sectional front view of high-temperature flue gas cooling pipe embodiment three described in the utility model;This In embodiment, the inner cylinder circular arc is recessed to form circulation groove 7 towards axis direction, and said inner tube 1 and the outer tube 2 closely paste It closes, to make the circulation passage of the formation of circulation groove 7 cooling water;7 spiral of the circulation groove setting, is arranged in the outer tube 2 The water inlet 4 be connected to the water outlet 3 with the circulation groove 7.
7 cross-sectional shape of circulation groove may be configured as the Reasonable Shapes such as rectangle, triangle, constitute the circulation accordingly Slot 7 invagination tube wall said inner tube 1 inner wall evagination formed muscle portion, the muscle portion in said inner tube 1 in the shape of a spiral, when low The high-temperature flue gas of flow muscle portion when said inner tube 1 is transmitted generates disturbance to flue gas, thus make low discharge high-temperature flue gas from Laminar condition passively becomes turbulent condition.
Simultaneously as the invagination of the circulation groove 7 is arranged, the cooling water in the circulation groove 7 passes through the invagination tube wall Heat exchange, which is carried out, with the high-temperature flue gas in said inner tube 1 improves the high-temperature flue gas cooling pipe to increase heat exchange area Cooling effect.
Example IV
As shown in figure 5, Fig. 5 is the connection view for disturbing air bound plate;It is also set up in said inner tube 1 and disturbs air bound plate 8, it is described Dead axle 9 is provided in inner tube 1,9 both ends of dead axle are fixed on the inner wall of said inner tube 1, and are set along the radial direction of said inner tube 1 It sets;The air bound plate 8 of disturbing is provided with through hole, and the dead axle 9 passes through the through hole to disturb air bound plate 8, institute described in fixed It states through hole and passes through the center for disturbing air bound plate 8, the air bound plate 8 of disturbing can be rotated around the dead axle 9.
As shown in fig. 6, Fig. 6 is the topology view for disturbing air bound plate;Elastic component 10, institute are additionally provided in the through hole Stating elastic component 10 may be configured as torsion spring, and the air bound plate 8 of disturbing keeps one with horizontal plane under the action of elastic component 10 Fixed tilt angle setting, when there is high-temperature flue gas flowing in said inner tube 1, the air bound plate 8 of disturbing is in the high-temperature flue gas It is swung under motive force and the rebound effect of the elastic component 10, generates disturbance so as to the high-temperature flue gas to low discharge, To make low discharge high-temperature flue gas passively become turbulent condition from laminar condition.
The above is only the preferred embodiment of the present invention, is merely illustrative for the utility model, and It is unrestricted.Those skilled in the art understand that can be to it in the spirit and scope defined by the utility model claims Many changes, modifications, and even equivalents are carried out, but all will fall within the protection scope of the utility model.

Claims (10)

1. a kind of high-temperature flue gas cooling pipe, which is characterized in that including inner tube, outer tube;Said inner tube is arranged in the outer tube Portion, and said inner tube and outer coaxial tube setting, said inner tube and the outer tube both ends are tightly connected, the outer tube setting There are water outlet and water inlet, the water inlet and the water outlet are connect with external cooling water system, to make the cooling Being in fluid communication between water system and said inner tube and the outer tube;Said inner tube, which extends internally, is provided with spiral helicine flow-disturbing group Part.
2. high-temperature flue gas cooling pipe as described in claim 1, which is characterized in that the flow-disturbing component is set as several wings Piece, helically sheet is distributed the fin on said inner tube inner wall.
3. high-temperature flue gas cooling pipe as claimed in claim 2, which is characterized in that the fin is set as with heating conduction Sheet metal.
4. high-temperature flue gas cooling pipe as claimed in claim 3, which is characterized in that the fin is from said inner tube inner wall along institute State the length dimension that inner tube radially extends is set as said inner tube internal diameter 1/5 to 1/3.
5. high-temperature flue gas cooling pipe as claimed in claim 2, which is characterized in that also set between said inner tube and the outer tube It is equipped with support plate, the support plate is tightly connected with said inner tube and the outer tube simultaneously, and the support plate is divided in the shape of a spiral Cloth, to make to form spiral helicine flow channel between said inner tube and the outer tube.
6. high-temperature flue gas cooling pipe as claimed in claim 5, which is characterized in that the fin and the support plate quantity are equal It is set as one, and the fin and support plate dislocation are arranged alternately.
7. high-temperature flue gas cooling pipe as described in claim 1, which is characterized in that the flow-disturbing component is set as said inner tube Circular arc is recessed the circulation groove to be formed towards axis direction, and said inner tube and the outer tube fit closely, the circulation groove and described The circulation passage of outer tube formation cooling water;Circulation groove spiral setting, be arranged in the outer tube the water inlet, it is described go out The mouth of a river is connected to the circulation groove;The invagination tube wall for constituting the circulation groove is spiral in the inner wall spirogyrate of said inner tube Muscle portion.
8. high-temperature flue gas cooling pipe as claimed in claim 7, which is characterized in that the circulation groove cross-sectional shape is set as Rectangle or triangle.
9. high-temperature flue gas cooling pipe as described in claim 1, which is characterized in that the flow-disturbing component further includes disturbing air bound Plate is provided with dead axle in said inner tube, and the dead axle both ends are fixed on the inner wall of said inner tube, and along the radial direction of said inner tube Setting;The air bound plate of disturbing is provided with through hole, and the dead axle passes through the through hole to disturb air bound plate described in fixed, described Through hole passes through the center for disturbing air bound plate, and the air bound plate of disturbing can be around the fixed-axis rotation.
10. high-temperature flue gas cooling pipe as claimed in claim 9, which is characterized in that be additionally provided with elasticity in the through hole Part, the elastic component are set as torsion spring, and the air bound plate of disturbing is kept under the elastic force effect of the elastic component with horizontal plane It is obliquely installed.
CN201821991192.7U 2018-11-29 2018-11-29 A kind of high-temperature flue gas cooling pipe Active CN209326385U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821991192.7U CN209326385U (en) 2018-11-29 2018-11-29 A kind of high-temperature flue gas cooling pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821991192.7U CN209326385U (en) 2018-11-29 2018-11-29 A kind of high-temperature flue gas cooling pipe

Publications (1)

Publication Number Publication Date
CN209326385U true CN209326385U (en) 2019-08-30

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111197859A (en) * 2019-12-30 2020-05-26 四川昊宇龙星科技有限公司 Dual-purpose three-layer sleeve heat exchanger
CN113280328A (en) * 2021-05-31 2021-08-20 遵义医科大学 Efficient electric combustion furnace for collecting coal PM2.5

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111197859A (en) * 2019-12-30 2020-05-26 四川昊宇龙星科技有限公司 Dual-purpose three-layer sleeve heat exchanger
CN113280328A (en) * 2021-05-31 2021-08-20 遵义医科大学 Efficient electric combustion furnace for collecting coal PM2.5
CN113280328B (en) * 2021-05-31 2022-12-20 遵义医科大学 Efficient electric combustion furnace for collecting coal PM2.5

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