CN206803812U - A kind of multi-pipeline abrasionproof high-efficiency heat exchanger - Google Patents
A kind of multi-pipeline abrasionproof high-efficiency heat exchanger Download PDFInfo
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- CN206803812U CN206803812U CN201720524448.2U CN201720524448U CN206803812U CN 206803812 U CN206803812 U CN 206803812U CN 201720524448 U CN201720524448 U CN 201720524448U CN 206803812 U CN206803812 U CN 206803812U
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- heat exchange
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Abstract
The utility model discloses a kind of multi-pipeline abrasionproof high-efficiency heat exchanger, including the support supporting plate two in left and right distribution, two layers of heat exchange straight tube group is supported with from up to down between two support supporting plates, every layer of heat exchange straight tube group is made up of some Dual-H-type finned tubes, Dual-H-type finned tube in every layer of heat exchange straight tube group passes through some bend pipes end to end snakelike heat exchange tube roads and three road independent parallels of formation two-by-two that exchange heat, the import on all snakelike heat exchange tube roads is connected with water inlet header simultaneously, the outlet on all snakelike heat exchange tube roads is connected with water outlet header simultaneously, it is located to meet in the every layer of straight tube group that exchanges heat and is respectively arranged with to block the U-shaped pectination wearing-resistant tile that the root Dual-H-type finned tube meets cigarette face immediately ahead of first Dual-H-type finned tube of cigarette side.The utility model has the advantages that：It is high using the parallel arrangement of multilayer multi-pipeline, heat exchange efficiency；By U-shaped pectination wearing-resistant tile, Dual-H-type finned tube is protected, extends service life.
Description
Technical field
It the utility model is related to for flue gas waste heat recovery technical field in station boiler flue, and in particular to a kind of multitube
Road abrasionproof high-efficiency heat exchanger.
Background technology
In electricity power enterprise, high-temperature flue gas caused by station boiler can be passed through electric cleaner by flue, through electric cleaner
The external world is discharged into after dedusting.On the one hand, a large amount of waste heats are contained in the flue gas of station boiler discharge, when flue gas is arranged through electric cleaner dedusting
After going out, a large amount of waste heats in flue gas can waste, and cause the significant wastage of the energy；On the other hand, due to containing a large amount of remaining
The dust specific resistance of the high-temperature flue gas of heat is high, when electric cleaner carries out dedusting to the high-temperature flue gas of high dust specific resistance, easily
Generation back corona phenomenon, cause ESP Efficiency low.At present, be realize to waste heat in flue gas caused by station boiler
Recycling and meanwhile in order to reduce flue-gas temperature to avoid electric cleaner that back corona phenomenon occurs in dedusting, typically in pot
Installation heat-exchanger rig in the flue of stove afterbody, recycle the waste heat in flue in flue gas using heat-exchanger rig and reduce flue gas
Temperature.The structure of heat-exchanger rig is used at present：Including frame, supported from up to down between the left and right sides plate of frame
There are some heat exchange straight tubes in parallel distribution, it is end to end snakelike all the way to be formed by the bend pipe that exchanges heat per two adjacent straight tubes
Heat exchanger tube.When heat-exchanger rig is applied to flue, the heat exchange bend pipe of heat-exchanger rig is normally at outside flue, the heat exchange of heat-exchanger rig
Straight tube is directly arranged in inside flue.Heat-exchanger rig used at present has the drawback that：（1）Arranged using single pipeline
Mode, heat exchange efficiency is low, poor to the cooling-down effect of flue gas, so as to influence the efficiency of dust collection of electric cleaner；（2）Make in heat-exchanger rig
During, the heat inside flue changes straight tube can be by having the characteristics that soot dust granule big, complicated component, flue gas flow rate are fast
Flue gas directly wash away, cause the heat exchange straight tube of heat-exchanger rig to be easily worn corrosion, cause heat-exchanger rig service life short.
Thus need the heat-exchanger rig for inventing a kind of heat exchange efficiency height and service life length badly.
Utility model content
The purpose of this utility model is to provide a kind of heat exchange efficiency height and the multi-pipeline abrasionproof high efficient heat exchanging of service life length
Device.
To achieve the above object, the utility model employs following technical scheme：A kind of described multi-pipeline abrasionproof is efficient
Heat-exchanger rig, including two support supporting plates being distributed in left and right, the interval supporting arrangement from up to down between two support supporting plates
There is two layers of heat exchange straight tube group, every layer of heat exchange straight tube group is supported between two support supporting plates by some and is in time interval parallel
The Dual-H-type finned tube of row forms, and the Dual-H-type finned tube in every layer of heat exchange straight tube group passes through some heat exchange bend pipes head and the tail phases two-by-two
Connect and form the snakelike heat exchange tube road of three road independent parallels, the import on all snakelike heat exchange tube roads is connected with water inlet header simultaneously
Logical, the outlet on all snakelike heat exchange tube roads is connected with water outlet header simultaneously, is located in the every layer of straight tube group that exchanges heat and meets cigarette side
It is respectively arranged with to block the U-shaped pectination abrasionproof that the root Dual-H-type finned tube meets cigarette face immediately ahead of first Dual-H-type finned tube
Watt.
Further, foregoing a kind of multi-pipeline abrasionproof high-efficiency heat exchanger, wherein：It is adjacent in every layer of heat exchange straight tube group
The fin of Dual-H-type finned tube aligns and the fin of the Dual-H-type finned tube of adjacent heat exchange straight tube group aligns, and makes all double H
The fin of type extended surface tube is collectively forming the relatively independent cigarette channel excessively of several columns.
Further, foregoing a kind of multi-pipeline abrasionproof high-efficiency heat exchanger, wherein：The side of every Dual-H-type finned tube
Pipe end support supporting plate corresponding with homonymy is mutually welded and fixed, opposite side pipe end support supporting plate not corresponding with homonymy mutually welds
It is fixed.
Further, foregoing a kind of multi-pipeline abrasionproof high-efficiency heat exchanger, wherein：It is provided with the bottom of water inlet header
Communicate therewith and carry the adjutage of discharging valve, the deflation communicated therewith and with vent valve is provided with the top of water outlet header
Pipe.
Further, foregoing a kind of multi-pipeline abrasionproof high-efficiency heat exchanger, wherein：The road independent parallels of Mei Ceng tri- it is snakelike
The import on the one snakelike heat exchange tube road in centre in heat exchanging pipe is connected by a water inlet straight tube with water inlet header, every layer three
The import on the snakelike heat exchange tube road in the snakelike heat exchange tube road of road independent parallel positioned at both sides enters teal neck type by one respectively
Bend pipe with water inlet header be connected, wherein every enter teal neck type bend pipe by parallel to water inlet straight tube water inlet back segment straight tube,
The water inlet leading portion inclined tube of connection water inlet header and the water inlet intermediate connection tube of connection water inlet back segment straight tube and leading portion inclined tube of intaking
Composition, the angle between the axial line of every water inlet leading portion inclined tube entered in teal neck type bend pipe and the axial line of water inlet straight tube are
45°。
Further, foregoing a kind of multi-pipeline abrasionproof high-efficiency heat exchanger, wherein：The road independent parallels of Mei Ceng tri- it is snakelike
The outlet on the one snakelike heat exchange tube road in centre in heat exchanging pipe is connected by a water outlet straight tube with water outlet header, every layer three
The outlet on the snakelike heat exchange tube road in the snakelike heat exchange tube road of road independent parallel positioned at both sides goes out teal neck type by one respectively
Bend pipe is connected with water outlet header, wherein every go out teal neck type bend pipe by the water outlet back segment straight tube parallel to water outlet straight tube,
Connect the water outlet leading portion inclined tube of water outlet header and the water outlet intermediate connection tube of connection water outlet back segment straight tube and water outlet leading portion inclined tube
Form, the angle between the every axial line of water outlet leading portion inclined tube and the axial line of water outlet straight tube gone out in teal neck type bend pipe is
45°。
Further, foregoing a kind of multi-pipeline abrasionproof high-efficiency heat exchanger, wherein：Also set between two support supporting plates
Some middle supporting plates to Auxiliary support heat exchange straight tube group are equipped with, are provided with along its length for heat exchange at the top of middle supporting plate
The neck that the Dual-H-type finned tube of straight tube group is caught in, the Dual-H-type finned tube that will be stuck in neck is additionally provided with middle supporting plate
The spacing press strip being fixed in neck.
The implementation of Pass through above-mentioned technical proposal, the beneficial effects of the utility model are：（1）Parallel using multilayer multi-pipeline
Arrangement, heat exchange efficiency is substantially increased, to the good cooling effect of flue gas, so as to improve the efficiency of dust collection of electric cleaner；
（2）By U-shaped pectination wearing-resistant tile, it can effectively prevent the direct erosive wear containing heat smoke in flue from corroding Dual-H-type finned tube,
Dual-H-type finned tube is effectively protected, and then effectively extends the service life of heat-exchanger rig；（3）The fin of all Dual-H-type finned tubes
Piece is collectively forming the relatively independent cigarette channel excessively of several columns, so when flue gas originally unordered in flue by passing through cigarette successively
Can become orderly after passage, and now velocity of flue gas also can step-down, not only contribute to heat exchange of the Dual-H-type finned tube to flue gas,
And the efficiency of dust collection of electric cleaner can also be improved.
Brief description of the drawings
Fig. 1 is a kind of structural representation of multi-pipeline abrasionproof high-efficiency heat exchanger described in the utility model.
Fig. 2 is the structural representation of Fig. 1 overlook direction.
Fig. 3 is that the U-shaped pectination wearing-resistant tile shown in the right apparent directions of Fig. 1 is illustrated with the mutual alignment relation of corresponding heat exchange straight tube
Figure.
Fig. 4 is the mutual alignment relation schematic diagram of the middle supporting plate and heat exchange straight tube shown in Fig. 1.
Fig. 5 is the mutual alignment relation schematic diagram for entering teal neck type bend pipe and straight tube of intaking shown in Fig. 2.
Fig. 6 is the mutual alignment relation schematic diagram for going out teal neck type bend pipe and water outlet straight tube shown in Fig. 2.
Embodiment
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, a kind of described multi-pipeline abrasionproof high-efficiency heat exchanger, including in
The left support supporting plate 1 and right support supporting plate 2 of left and right distribution, are spaced from up to down between left support supporting plate 1 and right support supporting plate 2
Supporting is arranged with two layers of heat exchange straight tube group, every layer of heat exchange straight tube group by it is some be supported on left support supporting plate 1 and right support supporting plate 2 it
Between and form in time interval Dual-H-type finned tube 3 arranged in parallel, the Dual-H-type finned tube 3 in every layer of heat exchange straight tube group is logical
Cross it is some heat exchange bend pipes 4 it is end to end two-by-two and formed three road independent parallels snakelike heat exchange tube road, all snakelike heat exchange tube roads
Import be connected simultaneously with water inlet header 5, the outlet on all snakelike heat exchange tube roads is connected with water outlet header 6 simultaneously, every
It is located to meet in layer heat exchange straight tube group and is respectively arranged with to shelter from the root pair immediately ahead of first Dual-H-type finned tube of cigarette side
H type extended surface tubes meet the U-shaped pectination wearing-resistant tile 7 in cigarette face；In the present embodiment, double H-type fin adjacent in every layer of heat exchange straight tube group
The fin of pipe 3 aligns and the fin of the Dual-H-type finned tube 3 of adjacent heat exchange straight tube group aligns, and makes all double H-type fins
The fin of pipe 3 be collectively forming several columns it is relatively independent cross cigarette channel, so when passing through all double H-types containing heat smoke in flue
After what the fin of extended surface tube 3 was collectively forming crosses cigarette channel, originally unordered disorderly containing after heat smoke can become in order is passed through electricity again
Deduster, and then substantially increase the efficiency of dust collection of electric cleaner；In the present embodiment, a side pipe of every Dual-H-type finned tube 3
End support supporting plate corresponding with homonymy is mutually welded and fixed, opposite side pipe end support supporting plate not corresponding with homonymy mutually welds admittedly
It is fixed, so Dual-H-type finned tube 3 can be prevented to be damaged in heat transfer process because itself expands with heat and contract with cold, substantially increase and set
Standby safety in utilization；In the present embodiment, it is provided with the bottom of water inlet header 5 and communicates therewith and carry putting for discharging valve 8
Water pipe 9, the bleeder pipe 11 communicated therewith and with vent valve 10 is provided with the top of water outlet header 6, by adjutage 9 and is put
Tracheae 11 can freely adjust the pressure in snakelike heat exchange tube road；In the present embodiment, the snakelike of road independent parallel of Mei Ceng tri- is changed
The import on the one snakelike heat exchange tube road in centre in pipe line is connected by a water inlet straight tube 12 with water inlet header 5, every layer
The import on the snakelike heat exchange tube road in the snakelike heat exchange tube road of three road independent parallels positioned at both sides enters teal neck by one respectively
Type bend pipe 13 is connected with water inlet header 5, wherein every is entered teal neck type bend pipe 13 by parallel to water inlet straight tube 12 and connection
The water inlet back segment straight tube 131 of corresponding snakelike heat exchange tube road import, the water inlet leading portion inclined tube 132 of connection water inlet header 5 and connection
The water inlet intermediate connection tube 133 of water inlet back segment straight tube 131 and leading portion inclined tube 132 of intaking is formed, and every is entered teal neck type bend pipe 13
In the axial line of water inlet leading portion inclined tube 132 and the axial line for straight tube 12 of intaking between angle be 45 °, can so ensure every
The flow velocity of each snakelike heat exchange tube road reclaimed water of the road independent parallel of floor three is balanced；In the present embodiment, Mei Ceng tri- road independent parallels
The outlet on the one snakelike heat exchange tube road in centre in snakelike heat exchange tube road is connected by a water outlet straight tube 14 with water outlet header 6
Logical, the outlet on the snakelike heat exchange tube road in the snakelike heat exchange tube road of the road independent parallels of Mei Ceng tri- positioned at both sides is gone out by one respectively
Teal neck type bend pipe 15 is connected with water outlet header 6, wherein every goes out teal neck type bend pipe 15 by parallel to water outlet straight tube 16
And the water outlet leading portion inclined tube 152 of the water outlet back segment straight tube 151 of the corresponding snakelike heat exchange tube way outlet of connection, connection water outlet header 6, with
And the water outlet intermediate connection tube 153 of connection water outlet back segment straight tube 151 and water outlet leading portion inclined tube 152 forms, every goes out teal neck type
The angle between the axial line of water outlet leading portion inclined tube 152 and the axial line of water outlet straight tube 14 in bend pipe 15 is 45 °, so can be with
It is further ensured that the flow velocity of each snakelike heat exchange tube road reclaimed water of the road independent parallels of Mei Ceng tri- is balanced；In the present embodiment, in left branch
Some middle supporting plates 16 to Auxiliary support heat exchange straight tube group are additionally provided between bracketing plate 1 and right support supporting plate 2, in middle supporting plate
16 top is provided with the neck 17 being caught in for the Dual-H-type finned tube 3 of heat exchange straight tube group along its length, on middle supporting plate 16
It is additionally provided with to by the spacing press strip 18 being fixed in neck 17 of the Dual-H-type finned tube being stuck in neck 17 3.
The utility model has the advantages that：（1）Using the parallel arrangement of multilayer multi-pipeline, heat exchange effect is substantially increased
Rate, to the good cooling effect of flue gas, so as to improve the efficiency of dust collection of electric cleaner；（2）, can be with by U-shaped pectination wearing-resistant tile
Effectively prevent the direct erosive wear containing heat smoke in flue from corroding Dual-H-type finned tube, effectively protect Dual-H-type finned tube, enter
And effectively extend the service life of heat-exchanger rig；（3）It is relatively independent that the fin of all Dual-H-type finned tubes is collectively forming several columns
Cross cigarette channel, so when in flue originally unordered flue gas by that can become orderly after crossing cigarette channel successively, and this
When velocity of flue gas also can step-down, not only contribute to heat exchange of the Dual-H-type finned tube to flue gas, and electric cleaner can also be improved
Efficiency of dust collection.
Claims (7)
- A kind of 1. multi-pipeline abrasionproof high-efficiency heat exchanger, it is characterised in that：Including the support supporting plate two in left and right distribution, two Supporting is spaced between individual support supporting plate from up to down and is arranged with two layers of heat exchange straight tube group, every layer of heat exchange straight tube group is supported on by some Formed between two support supporting plates and in time interval Dual-H-type finned tube arranged in parallel, the double H-type in every layer of heat exchange straight tube group Extended surface tube is all snakelike by some bend pipes end to end snakelike heat exchange tube roads and three road independent parallels of formation two-by-two that exchange heat The import of heat exchanging pipe is connected with water inlet header simultaneously, and the outlet on all snakelike heat exchange tube roads is connected with water outlet header simultaneously It is logical, it is respectively arranged with to block immediately ahead of first Dual-H-type finned tube of cigarette side positioned at meeting in the every layer of straight tube group that exchanges heat The root Dual-H-type finned tube meets the U-shaped pectination wearing-resistant tile in cigarette face.
- A kind of 2. multi-pipeline abrasionproof high-efficiency heat exchanger according to claim 1, it is characterised in that：Every layer of heat exchange straight tube group In the fin of adjacent Dual-H-type finned tube align and the fin of the Dual-H-type finned tube of adjacent heat exchange straight tube group aligns, The fin of all Dual-H-type finned tubes is set to be collectively forming the relatively independent cigarette channel excessively of several columns.
- A kind of 3. multi-pipeline abrasionproof high-efficiency heat exchanger according to claim 1, it is characterised in that：Every double H-type fin The side pipe end of pipe support supporting plate corresponding with homonymy is mutually welded and fixed, opposite side pipe end supporting bracket not corresponding with homonymy Plate is mutually welded and fixed.
- A kind of 4. multi-pipeline abrasionproof high-efficiency heat exchanger according to claim 1 or 2 or 3, it is characterised in that：Collect in water inlet The bottom of case is provided with the adjutage communicated therewith and with discharging valve, is provided with and communicates therewith and band on the top of water outlet header There is the bleeder pipe of vent valve.
- A kind of 5. multi-pipeline abrasionproof high-efficiency heat exchanger according to claim 1 or 2 or 3, it is characterised in that：The tunnels of Mei Ceng tri- The import on the one snakelike heat exchange tube road in centre in the snakelike heat exchange tube road of independent parallel is collected by a water inlet straight tube with water inlet Case is connected, and the import on the snakelike heat exchange tube road in the snakelike heat exchange tube road of the road independent parallels of Mei Ceng tri- positioned at both sides passes through respectively One is entered teal neck type bend pipe and is connected with water inlet header, wherein every is entered teal neck type bend pipe by parallel to water inlet straight tube Intake back segment straight tube, the water inlet leading portion inclined tube of connection water inlet header and connection water inlet back segment straight tube and leading portion inclined tube of intaking Intermediate connection tube of intaking forms, the axle center of the axial line and water inlet straight tube of the every water inlet leading portion inclined tube entered in teal neck type bend pipe Angle between line is 45 °.
- A kind of 6. multi-pipeline abrasionproof high-efficiency heat exchanger according to claim 1 or 2 or 3, it is characterised in that：The tunnels of Mei Ceng tri- The outlet on the one snakelike heat exchange tube road in centre in the snakelike heat exchange tube road of independent parallel passes through a water outlet straight tube and water outlet collection Case is connected, and the outlet on the snakelike heat exchange tube road in the snakelike heat exchange tube road of the road independent parallels of Mei Ceng tri- positioned at both sides passes through respectively One goes out teal neck type bend pipe and is connected with water outlet header, wherein every goes out teal neck type bend pipe by parallel to water outlet straight tube Water outlet back segment straight tube, the water outlet leading portion inclined tube for connecting water outlet header and connection water outlet back segment straight tube and water outlet leading portion inclined tube Water outlet intermediate connection tube forms, the axial line of the every water outlet leading portion inclined tube gone out in teal neck type bend pipe and the axle center of water outlet straight tube Angle between line is 45 °.
- A kind of 7. multi-pipeline abrasionproof high-efficiency heat exchanger according to claim 1 or 2 or 3, it is characterised in that：In two branch Some middle supporting plates to Auxiliary support heat exchange straight tube group are additionally provided between bracketing plate, it is square along its length at the top of middle supporting plate The neck being caught in the Dual-H-type finned tube for being provided with confession heat exchange straight tube group, is additionally provided with middle supporting plate will be stuck in neck In the spacing press strip being fixed in neck of Dual-H-type finned tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720524448.2U CN206803812U (en) | 2017-05-12 | 2017-05-12 | A kind of multi-pipeline abrasionproof high-efficiency heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720524448.2U CN206803812U (en) | 2017-05-12 | 2017-05-12 | A kind of multi-pipeline abrasionproof high-efficiency heat exchanger |
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| Publication Number | Publication Date |
|---|---|
| CN206803812U true CN206803812U (en) | 2017-12-26 |
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ID=60739718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720524448.2U Active CN206803812U (en) | 2017-05-12 | 2017-05-12 | A kind of multi-pipeline abrasionproof high-efficiency heat exchanger |
Country Status (1)
| Country | Link |
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| CN (1) | CN206803812U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106969649A (en) * | 2017-05-12 | 2017-07-21 | 江苏龙净节能科技有限公司 | A kind of multi-pipeline abrasionproof high-efficiency heat exchanger |
| CN108253819A (en) * | 2018-02-13 | 2018-07-06 | 天津大学 | A kind of coal changes electric heat exchanging body and heat-exchange system |
-
2017
- 2017-05-12 CN CN201720524448.2U patent/CN206803812U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106969649A (en) * | 2017-05-12 | 2017-07-21 | 江苏龙净节能科技有限公司 | A kind of multi-pipeline abrasionproof high-efficiency heat exchanger |
| CN108253819A (en) * | 2018-02-13 | 2018-07-06 | 天津大学 | A kind of coal changes electric heat exchanging body and heat-exchange system |
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