CN206787341U - Large Copacity fume afterheat utilizes low temperature emission reduction abrasionproof high-efficiency heat exchanger - Google Patents
Large Copacity fume afterheat utilizes low temperature emission reduction abrasionproof high-efficiency heat exchanger Download PDFInfo
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- CN206787341U CN206787341U CN201720524512.7U CN201720524512U CN206787341U CN 206787341 U CN206787341 U CN 206787341U CN 201720524512 U CN201720524512 U CN 201720524512U CN 206787341 U CN206787341 U CN 206787341U
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Abstract
The utility model discloses Large Copacity fume afterheat to utilize low temperature emission reduction abrasionproof high-efficiency heat exchanger,Including frame,If being spaced supporting from up to down between two support supporting plates of frame is arranged with dried layer heat exchange straight tube group,Every layer of heat exchange straight tube group is supported between two support supporting plates and formed in time interval Dual-H-type finned tube arranged in parallel by some,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 formation at least two-way independent parallel 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,The straight tube group that exchanged heat at every layer, which is met, is respectively arranged with row's membrane type abrasionproof drainage tube panel in the frame of cigarette side,A U-shaped pectination wearing-resistant tile is also arranged between the every layer of straight tube group that exchanges heat membrane type abrasionproof drainage tube panel corresponding with front.The utility model has the advantages of heat exchange efficiency height and long service life.
Description
Technical field
The low temperature dust-removal and desulfurizing technical field for flue gas in power station boiler waste heat recovery is the utility model is related to, is specifically related to
And Large Copacity fume afterheat utilizes low temperature emission reduction abrasionproof high-efficiency heat exchanger.
Background technology
Low temperature electrostatic precipitation technology is that a kind of advanced high effective flue gas Treatment process, the technology can meet low row in the world
Put, and simultaneous UTILIZATION OF VESIDUAL HEAT IN saves, efficiently traps the advantages that SO3, favourable wet desulphurization water-saving and electricity-saving.In power industry, power station pot
High-temperature flue gas caused by stove can be passed through electric cleaner by flue, and the external world is discharged into after electric cleaner dedusting.On the one hand, power station pot
Contain a large amount of waste heats in the flue gas that fire grate goes out, when flue gas is after electric cleaner dedusting discharge, a large amount of waste heats in flue gas can be in vain
Waste, cause the significant wastage of the energy；On the other hand, because the dust specific resistance of the high-temperature flue gas containing a large amount of waste heats is high,
When electric cleaner carries out dedusting to the high-temperature flue gas of high dust specific resistance, back corona phenomenon easily occurs, causes electric cleaner
Efficiency of dust collection is low.At present, for recycling of the realization to waste heat in flue gas caused by station boiler while in order to reduce flue gas
Temperature is typically installed heat-exchanger rig in the flue of electric precipitation porch, utilized to improve the dust-removal and desulfurizing efficiency of electric cleaner
Heat-exchanger rig recycles waste heat in flue in flue gas and reduces flue-gas temperature.The structure of heat-exchanger rig used at present
For：Including frame, some heat exchange straight tubes in parallel distribution are supported with from up to down between the left and right sides plate of frame, per phase
Two adjacent straight tubes form snakelike heat exchange tube all the way by the way that the bend pipe that exchanges heat is end to end.When heat-exchanger rig is applied to flue, change
The heat exchange bend pipe of thermal is normally at outside flue, and the heat exchange straight tube of heat-exchanger rig is directly arranged in inside flue.At present
Used heat-exchanger rig has the drawback that：（1）Use single pipeline arrangement and heat exchange straight tube is naked pipe, heat exchange efficiency
It is low, it is poor to the cooling-down effect of flue gas, so as to influence the efficiency of dust collection of electric cleaner；（2）During heat-exchanger rig use, it is located at
Heat inside flue changes straight tube can be by having the characteristics that the direct of the fast flue gas of soot dust granule big, complicated component, flue gas flow rate
Wash away, cause the heat exchange straight tube of heat-exchanger rig to be easily worn corrosion, cause heat-exchanger rig service life short；（3）Thus need badly
Invent a kind of heat exchange efficiency height and the heat-exchanger rig of service life length.
Utility model content
The purpose of this utility model is to provide a kind of heat exchange efficiency height and the Large Copacity fume afterheat of service life length utilizes
Low temperature emission reduction abrasionproof high-efficiency heat exchanger.
To achieve the above object, the utility model employs following technical scheme：Described Large Copacity fume afterheat utilizes
Low temperature emission reduction abrasionproof high-efficiency heat exchanger, including by some parallel intervals and support supporting plate, entablature, the lower horizontal stroke of column distribution
The frame of beam and oblique beam composition, if being supported with dried layer jointly on the support supporting plate of frame presents changing for lower uniform intervals arrangement
Hot straight tube group, every layer of heat exchange straight tube group are made up of some Dual-H-type finned tubes arranged in parallel in time interval, every layer of heat exchange straight tube
The fin of adjacent Dual-H-type finned tube aligns in group and the fin of the Dual-H-type finned tube of adjacent heat exchange straight tube group is also relative
Together, the fin of all Dual-H-type finned tubes is made to be collectively forming the first relatively independent mistake cigarette channel of several columns, every layer of heat exchange straight tube group
In Dual-H-type finned tube pass through that some heat exchange bend pipes are end to end two-by-two to form the snakelike heat exchange of at least two-way independent parallel
Pipeline, the import on all snakelike heat exchange tube roads are connected with water inlet header simultaneously, the outlet on all snakelike heat exchange tube roads simultaneously with
Water outlet header is connected, every layer exchange heat straight tube group meet be respectively arranged with the frame of cigarette side a row can just block this layer heat exchange
The membrane type abrasionproof drainage tube panel in cigarette face is met in straight tube group positioned at first Dual-H-type finned tube for meeting cigarette side, membrane type abrasionproof is often arranged and draws
Flow tube screen is welded by some abrasionproof drainage tubes parallel with Dual-H-type finned tube and band steel, all membrane type abrasionproof drainages
Tube panel is collectively forming the second relatively independent mistake cigarette channel of some rows, the straight tube group that exchanged heat at every layer membrane type abrasionproof corresponding with front
One is also respectively provided with frame between drainage tube panel and can be blocked and is located at first that meets cigarette side in this layer heat exchange straight tube group
Dual-H-type finned tube meets the U-shaped pectination wearing-resistant tile in cigarette face.
Further, foregoing Large Copacity fume afterheat utilizes low temperature emission reduction abrasionproof high-efficiency heat exchanger, wherein：Often
Row's membrane type abrasionproof drainage tube panel is removably installed in frame by fixed mechanism respectively, and the structure of the fixed mechanism is：
Including two positioning supporting plates, it is provided with to place abrasionproof drainage tube in membrane type abrasionproof drainage tube panel on each positioning supporting plate
The locating groove of pipe end, two positioning supporting plates it is symmetrical be mounted on two be oppositely arranged support supporting plate it is relatively interior
On wall, membrane type abrasionproof drainage tube panel is correspondingly positioned on supporting plate by the way that the both sides pipe end of its abrasionproof drainage tube is respectively placed in into homonymy
Corresponding locating groove in and shelve be supported on two positioning supporting plates on, it is each positioning supporting plate at the top of rear and front end set respectively
A fixed block is equipped with, spacing hole is provided with all fixed blocks, limit is respectively arranged with the front end of each positioning supporting plate
Position neck, a L-shaped latch is also respectively provided with the both sides of membrane type abrasionproof drainage tube panel, every L-shaped latch it is long-armed successively
After through the spacing hole on all fixed blocks on homonymy positioning supporting plate, the galianconism of the L-shaped latch can just be caught in downwards pair
In the limit card slot that supporting plate front end should be positioned, the both sides pipe end that membrane type abrasionproof is drained to abrasionproof drainage tube in tube panel spacing is fixed on
Corresponding positioning supporting plate, so as to which membrane type abrasionproof be drained, tube panel is spacing to be fixedly supported upon on two positioning supporting plates.
Further, foregoing Large Copacity fume afterheat utilizes low temperature emission reduction abrasionproof high-efficiency heat exchanger, wherein：Often
The side pipe end of root Dual-H-type finned tube is mutually welded and fixed with the support supporting plate of the leftmost side, opposite side pipe end from left to right successively
Activity is through all support supporting plates and is not welded and fixed mutually with any support supporting plate.
Further, foregoing Large Copacity fume afterheat utilizes low temperature emission reduction abrasionproof high-efficiency heat exchanger, wherein：
The bottom of water inlet header is provided with the adjutage communicated therewith and with discharging valve, is provided with the top of water outlet header and connects with it
Bleeder pipe logical and with vent valve.
Further, foregoing Large Copacity fume afterheat utilizes low temperature emission reduction abrasionproof high-efficiency heat exchanger, wherein：Often
Dual-H-type finned tube in floor heat exchange straight tube group passes through some bend pipes end to end snakes and three road independent parallels of formation two-by-two that exchange heat
Shape heat exchanging pipe, the import in the snakelike heat exchange tube road of the road independent parallels of Mei Ceng tri- positioned at a middle snakelike heat exchange tube road are led to
Cross a water inlet straight tube with water inlet header to be connected, positioned at the snakelike of both sides in the snakelike heat exchange tube road of the road independent parallels of Mei Ceng tri-
The import of heat exchanging pipe is entered teal neck type bend pipe by one respectively and is connected with water inlet header, wherein every to enter teal neck type curved
Pipe enters by parallel to water inlet straight tube and the water inlet back segment straight tube of the corresponding snakelike heat exchange tube road import of connection, connection water inlet header
The water inlet intermediate connection tube of water leading portion inclined tube and connection water inlet back segment straight tube and leading portion inclined tube of intaking is formed, and every is entered teal
Angle between the axial line of the axial line of water inlet leading portion inclined tube in neck type bend pipe and straight tube of intaking is 45 °.
Further, foregoing Large Copacity fume afterheat utilizes low temperature emission reduction abrasionproof high-efficiency heat exchanger, wherein：Often
Dual-H-type finned tube in floor heat exchange straight tube group passes through some bend pipes end to end snakes and three road independent parallels of formation two-by-two that exchange heat
Shape heat exchanging pipe, lead to positioned at the outlet on a middle snakelike heat exchange tube road in the snakelike heat exchange tube road of the road independent parallels of Mei Ceng tri-
Cross a water outlet straight tube with water outlet header to be connected, positioned at the snakelike of both sides in the snakelike heat exchange tube road of the road independent parallels of Mei Ceng tri-
The outlet of heat exchanging pipe goes out teal neck type bend pipe by one respectively and is connected with water outlet header, wherein every to go out teal neck type curved
Pipe goes out by parallel to the water outlet back segment straight tube of water outlet straight tube and the corresponding snakelike heat exchange tube way outlet of connection, connection water outlet header
The water outlet intermediate connection tube of water leading portion inclined tube and connection water outlet back segment straight tube and water outlet leading portion inclined tube forms, and every goes out teal
The angle between the axial line of water outlet leading portion inclined tube and the axial line of water outlet straight tube in neck type bend pipe is 45 °.
Further, foregoing Large Copacity fume afterheat utilizes low temperature emission reduction abrasionproof high-efficiency heat exchanger, wherein：
The top left and right ends of every entablature of frame are provided with an alignment pin, in bottom of every sill of frame or so
Both ends are provided with the positioning seat for the corresponding alignment pin docking insertion on entablature.
Further, foregoing Large Copacity fume afterheat utilizes low temperature emission reduction abrasionproof high-efficiency heat exchanger, wherein：
The boatswain chair for lifting is additionally provided with left and right sides of frame.
Further, foregoing Large Copacity fume afterheat utilizes low temperature emission reduction abrasionproof high-efficiency heat exchanger, wherein：
It is provided with all support supporting plates in addition to two pieces of left and right sides support supporting plate to by through the double H-type fin of the support supporting plate
The spacing press strip being fixed on the support supporting plate of piece pipe.
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 substantially increase the dedusting of electric cleaner effect
Rate；（2）Tube panel is drained by U-shaped pectination wearing-resistant tile and membrane type abrasionproof, can effectively prevent the flue gas in flue from directly washing away mill
Damage corrosion Dual-H-type finned tube, effectively protects Dual-H-type finned tube, and then effectively extends the service life of heat-exchanger rig；（3）
The fin of all Dual-H-type finned tubes is collectively forming the first relatively independent cigarette channel, all membrane type abrasionproofs excessively of several columns and drained
Tube panel is collectively forming the second relatively independent mistake cigarette channel of some rows, so when flue gas originally unordered in flue by passing through successively
Crossing after twice cross cigarette channel can become orderly, and now velocity of flue gas also can step-down, not only contribute to Dual-H-type finned tube to cigarette
The heat exchange of gas, and the dust-removal and desulfurizing efficiency of electric cleaner can also be improved.
Brief description of the drawings
Fig. 1 is that Large Copacity fume afterheat described in the utility model utilizes low temperature emission reduction abrasionproof high-efficiency heat exchanger
Structural representation.
Fig. 2 is the enlarged diagram at the H positions shown in Fig. 1.
Fig. 3 is the structural representation of Fig. 1 right apparent direction.
Fig. 4 is the structural representation of Fig. 1 overlook direction.
Fig. 5 is the enlarged diagram at the F positions shown in Fig. 4.
Fig. 6 is the position relationship schematic diagram for entering teal neck type bend pipe and straight tube of intaking shown in Fig. 4.
Fig. 7 is the position relationship schematic diagram for going out teal neck type bend pipe and water outlet straight tube shown in Fig. 4.
Fig. 8 is the structural representation that membrane type abrasionproof drains tube panel in Fig. 1.
Fig. 9 is the structural representation of Fig. 8 overlook direction.
Figure 10 is middle supporting plate, press strip and the signal of the mutual alignment of Dual-H-type finned tube three relation shown in the right apparent directions of Fig. 1
Figure.
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, Fig. 7, Fig. 8, Fig. 9, Figure 10, described Large Copacity fume afterheat profit
With low temperature emission reduction abrasionproof high-efficiency heat exchanger, including by left support supporting plate 1, right support supporting plate 2, some intermediate supports supports 3,
The frame that entablature 4, sill 5 and oblique beam 6 form, if be supported with jointly on the support supporting plate of frame dried layer present it is lower
Even spaced heat exchange straight tube group, every layer of heat exchange straight tube group is by some Dual-H-type finned tubes 7 group arranged in parallel in time interval
Into the fin 8 of adjacent Dual-H-type finned tube 7 aligns and the double H-type of adjacent heat exchange straight tube group in every layer of heat exchange straight tube group
The fin 8 of extended surface tube 7 also aligns, and the fin 8 of all Dual-H-type finned tubes 7 is collectively forming relatively independent first of several columns
Cross cigarette channel 9, the Dual-H-type finned tube 7 in every layer of heat exchange straight tube group is end to end and shape two-by-two by some heat exchange bend pipes 10
The snakelike heat exchange tube road of Cheng Sanlu independent parallels, the import on all snakelike heat exchange tube roads are connected with water inlet header 11 simultaneously, institute
There is the outlet on snakelike heat exchange tube road while be connected with water outlet header 12, the straight tube group that exchanged heat at every layer is met in the frame of cigarette side respectively
The membrane type for meeting cigarette face in this layer heat exchange straight tube group positioned at first Dual-H-type finned tube for meeting cigarette side can just be blocked by being provided with a row
Abrasionproof drains tube panel 13, and membrane type abrasionproof drainage tube panel heat exchanging straight tube group forms first of abrasionproof protection, so can be preferably
Protection heat exchange straight tube group, avoid the cigarette face of meeting of heat exchange straight tube group from being washed away by the direct of flue gas in flue, extend heat-exchanger rig
Service life often arrange membrane type abrasionproof drainage tube panel 13 by some abrasionproof drainage tubes 131 parallel with Dual-H-type finned tube 7 and
Band steel 132 is welded, and all membrane type abrasionproofs drainage tube panels 13 are collectively forming the second relatively independent mistake cigarette channel 14 of some rows,
An energy is also respectively provided with frame between the every layer of straight tube group that exchanges heat membrane type abrasionproof drainage tube panel 13 corresponding with front
Block the U-shaped pectination wearing-resistant tile 15 for meeting cigarette face in this layer heat exchange straight tube group positioned at first Dual-H-type finned tube for meeting cigarette side, U-shaped
The heat exchanging straight tube group of pectination wearing-resistant tile 15 forms the protection of second abrasionproof, can preferably protect heat exchange straight tube group, further keep away
The cigarette face of meeting for exempting from heat exchange straight tube group is washed away by the direct of flue gas in flue, further extends the service life of heat-exchanger rig；
In the present embodiment, often arrange membrane type abrasionproof drainage tube panel 13 and frame is removably installed in by fixed mechanism respectively
In, the structure of the fixed mechanism is：Including two positioning supporting plates 16, it is provided with to place on each positioning supporting plate 16
The locating groove of the pipe end of abrasionproof drainage tube 131 in membrane type abrasionproof drainage tube panel 13, two positioning 16 symmetrical installations of supporting plate
It is fixed in the opposed inner walls in two support supporting plates being oppositely arranged, membrane type abrasionproof drains tube panel 13 by the way that its abrasionproof is drained
The both sides pipe end of pipe 131 is respectively placed in homonymy and correspondingly positions in corresponding locating groove on supporting plate 16 and shelve and be supported on two
Position on supporting plate 16, a fixed block 17 is respectively arranged with the rear and front end at each top of positioning supporting plate 16, in all fixations
Spacing hole is provided with block 17, limit card slot 18 is respectively arranged with the front end of each positioning supporting plate 16, draws in membrane type abrasionproof
The both sides of flow tube screen 13 are also respectively provided with a L-shaped latch 19, and every the long-armed of L-shaped latch 19 sequentially passes through homonymy positioning support
After the spacing hole on all fixed blocks 17 on plate 16, the galianconism of the L-shaped latch 19 can just be caught in corresponding positioning support downwards
It is spacing so as to which membrane type abrasionproof to be drained to the both sides pipe end of abrasionproof drainage tube 131 in tube panel 13 in the limit card slot 18 of the front end of plate 16
Positioning supporting plate 16 corresponding to being fixed on, so as to which membrane type abrasionproof be drained, tube panel 13 is spacing to be fixedly supported upon two positioning supporting plates 16
On, it is more convenient so to dismount membrane type abrasionproof drainage tube panel 13；
In the present embodiment, the side pipe end of every Dual-H-type finned tube 7 is welded and fixed with the phase of left support supporting plate 1, is another
Side pipe end from left to right successively activity through all intermediate supports supporting plate 3 and right support supporting plate 2 and not with intermediate supports support
Plate 3 and the phase of right support supporting plate 2 are welded and fixed, and can so prevent Dual-H-type finned tube 7 in heat transfer process because itself expands with heat and contract with cold
And be damaged, substantially increase the safety in utilization of equipment；
In the present embodiment, the adjutage communicated therewith and with discharging valve 20 is provided with the bottom of water inlet header 11
21, the bleeder pipe 23 communicated therewith and with vent valve 22 is provided with the top of water outlet header 12, so passes through adjutage 21
And bleeder pipe 23 can freely adjust the pressure in snakelike heat exchange tube road；
In the present embodiment, positioned at a middle snakelike heat exchange tube in the snakelike heat exchange tube road of the road independent parallels of Mei Ceng tri-
The import on road is connected by a water inlet straight tube 24 with water inlet header 11, in the snakelike heat exchange tube road of the road independent parallels of Mei Ceng tri-
Import positioned at the snakelike heat exchange tube road on both sides is entered teal neck type bend pipe 25 by one respectively and is connected with water inlet header 11, its
In every enter teal neck type bend pipe 25 by parallel to after the water inlet of water inlet straight tube 22 and the corresponding snakelike heat exchange tube road import of connection
Duan Zhiguan 251, the water inlet leading portion inclined tube 252 of connection water inlet header 11 and connection water inlet back segment straight tube 251 are oblique with water inlet leading portion
The water inlet intermediate connection tube 253 of pipe 252 forms, the axial line of the every water inlet leading portion inclined tube 252 entered in teal neck type bend pipe 25
Angle between the axial line for straight tube 24 of intaking is 45 °, can so ensure that the flow velocity of each snakelike heat exchange tube road reclaimed water is balanced；
In the present embodiment, positioned at the outlet on a middle snakelike heat exchange tube road in the snakelike heat exchange tube road of the road independent parallels of Mei Ceng tri-
It is connected by a water outlet straight tube 26 with water outlet header 12, is located at both sides in the snakelike heat exchange tube road of the road independent parallels of Mei Ceng tri-
The outlet on snakelike heat exchange tube road go out teal neck type bend pipe 27 by one respectively and be connected with water outlet header 12, wherein every goes out
Teal neck type bend pipe 27 is by the water outlet back segment straight tube parallel to water outlet straight tube 26 and the corresponding snakelike heat exchange tube way outlet of connection
271st, the water outlet leading portion inclined tube 272 and connection water outlet back segment straight tube 271 and water outlet leading portion inclined tube 272 of water outlet header 12 are connected
Water outlet intermediate connection tube 273 form, the axial line of every water outlet leading portion inclined tube 272 gone out in teal neck type bend pipe 27 and water outlet
Angle between the axial line of straight tube 26 is 45 °, so may further ensure that the flow velocity of each snakelike heat exchange tube road reclaimed water is balanced；
In the present embodiment, an alignment pin 28 is provided with the top left and right ends of the every entablature 4 of frame,
The bottom left and right ends of the every sill 5 of frame are provided with determines for the docking insertion of corresponding alignment pin 28 on entablature 4
Position seat 29, docked by the cooperation of alignment pin 28 and positioning seat 29, it is possible to achieve the quick stacking peace of any amount heat-exchanger rig
Dress, combination installation are more convenient；In the present embodiment, the boatswain chair 30 for lifting is additionally provided with left and right sides of frame, so
Carrying and installation heat-exchanger rig is more convenient；In the present embodiment.It is provided with all intermediate supports supporting plates 3 will pass through pair
The spacing press strip 31 being fixed on the intermediate supports supporting plate of the Dual-H-type finned tube 7 of intermediate supports supporting plate is answered, can so improve and set
Standby stability and security；
In actual applications, when the membrane type abrasionproof drainage tube panel 13 of heat-exchanger rig needs to carry out more in use for some time
When changing, first by membrane type abrasionproof that the needs are changed drain tube panel both sides corresponding to L-shaped latch 19 be rotated up to galianconism leaving pair
The limit card slot 18 answered, then two L-shaped latches 19 are outwards transferred to again, can now carry out membrane type abrasionproof drainage tube panel more
Change, after to be replaced, then by the long-armed spacing hole reinserted on corresponding fixed block 17 of two L-shaped latches 19 and will be short
Arm is caught in downwards the limit card slot 18 of corresponding positioning supporting plate 16 front end, and so as to which membrane type abrasionproof be drained, tube panel is again spacing to be fixed on
On corresponding two positioning supporting plate 16, by aforesaid operations, that is, the replacing to membrane type abrasionproof drainage tube panel is completed, is changed extremely
It is convenient, substantially increase maintenance efficiency；
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 substantially increase the efficiency of dust collection of electric cleaner；（2）By U-shaped pectination wearing-resistant tile and
Membrane type abrasionproof drains tube panel, can effectively prevent the direct erosive wear corrosion Dual-H-type finned tube of the flue gas in flue, effectively protection
Dual-H-type finned tube, and then effectively extend the service life of heat-exchanger rig；（3）The fin of all Dual-H-type finned tubes is common
The first relatively independent mistake cigarette channel of several columns is formed, it is relatively independent that all membrane type abrasionproofs drainage tube panels are collectively forming some rows
Second crosses cigarette channel, so when unordered flue gas can become orderly by successively after twice cross cigarette channel originally in flue,
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 electricity can also be improved and removed
The dust-removal and desulfurizing efficiency of dirt device；（4）The H types fin and H die cavities of each Dual-H-type finned tube can strengthen the less turbulence of flue gas,
Improve flow of flue gas situation, and then enhance heat exchange, improve heat transfer coefficient；And the fin natural shape of each Dual-H-type finned tube
Into after passage, heat exchanger is not easy dust stratification and contamination, and flue gas resistance can be substantially reduced, make the space of heat-exchanger rig
It is extremely compact, and then exhaust gas temperature is more significantly reduced, after flue-gas temperature reduces, exhaust gas volumn accordingly declines, electric precipitation electric field
Wind speed reduces, and is advantageous to the trapping of PM2.5 fine solid particles, and can is efficient while the efficiency of dust collection of electric cleaner is greatly improved
SO3 is trapped, ensures that coal-burning power plant meets low emission requirement, and effectively reduce SO3 discharges.
Claims (9)
1. Large Copacity fume afterheat utilizes low temperature emission reduction abrasionproof high-efficiency heat exchanger, it is characterised in that：Including by some flat
The frame that support supporting plate, entablature, sill and the oblique beam of between-line spacing and column distribution form, on the support supporting plate of frame altogether
If the same heat exchange straight tube group for being supported with dried layer and presenting lower uniform intervals arrangement, every layer of heat exchange straight tube group are put down by some in time interval
The Dual-H-type finned tube composition of row arrangement, the fin of adjacent Dual-H-type finned tube aligns and phase in every layer of heat exchange straight tube group
The fin of the Dual-H-type finned tube of neighbour's heat exchange straight tube group also aligns, and the fin of all Dual-H-type finned tubes is collectively forming several columns
Relatively independent first crosses cigarette channel, and the Dual-H-type finned tube in every layer of heat exchange straight tube group is first two-by-two by some heat exchange bend pipes
Tail connects and forms the snakelike heat exchange tube road of at least two-way independent parallel, and the import on all snakelike heat exchange tube roads collects with water inlet simultaneously
Case is connected, and the outlet on all snakelike heat exchange tube roads is connected with water outlet header simultaneously, and the straight tube group that exchanged heat at every layer meets cigarette side
It a row is respectively arranged with frame can just block and met in this layer heat exchange straight tube group positioned at first Dual-H-type finned tube for meeting cigarette side
The membrane type abrasionproof drainage tube panel in cigarette face, often arranges membrane type abrasionproof and drains tube panel by some abrasionproofs parallel with Dual-H-type finned tube
Drainage tube and band steel are welded, and all membrane type abrasionproofs drainage tube panels are collectively forming the second relatively independent cigarette excessively of some rows and led to
Road, the straight tube group that exchanged heat at every layer membrane type abrasionproof corresponding with front drains is also respectively provided with an energy in the frame between tube panel
Block the U-shaped pectination wearing-resistant tile for meeting cigarette face in this layer heat exchange straight tube group positioned at first Dual-H-type finned tube for meeting cigarette side.
2. Large Copacity fume afterheat according to claim 1 utilizes low temperature emission reduction abrasionproof high-efficiency heat exchanger, it is special
Sign is：Often arrange membrane type abrasionproof drainage tube panel to be removably installed in frame by fixed mechanism respectively, the fixed mechanism
Structure be：Including two positioning supporting plates, it is provided with to place in membrane type abrasionproof drainage tube panel on each positioning supporting plate
The locating groove of abrasionproof drainage tube pipe end, supporting plate is symmetrical is mounted on two supporting brackets being oppositely arranged for two positioning
In the opposed inner walls of plate, it is corresponding by the way that the both sides pipe end of its abrasionproof drainage tube is respectively placed in into homonymy that membrane type abrasionproof drains tube panel
Shelve and be supported on two positioning supporting plates in corresponding locating groove on positioning supporting plate, before and after each position at the top of supporting plate
Both ends are respectively arranged with a fixed block, and spacing hole is provided with all fixed blocks, in the front end point of each positioning supporting plate
Limit card slot is not provided with, a L-shaped latch, every L-shaped latch are also respectively provided with the both sides of membrane type abrasionproof drainage tube panel
The long-armed all fixed blocks sequentially passed through on homonymy positioning supporting plate on spacing hole after, the galianconism of the L-shaped latch just can be with
It is caught in downwards in the limit card slot of corresponding positioning supporting plate front end, membrane type abrasionproof is drained to the both sides pipe end of abrasionproof drainage tube in tube panel
Spacing to be fixed on corresponding positioning supporting plate, so as to which membrane type abrasionproof be drained, tube panel is spacing to be fixedly supported upon on two positioning supporting plates.
3. Large Copacity fume afterheat according to claim 1 utilizes low temperature emission reduction abrasionproof high-efficiency heat exchanger, it is special
Sign is：The side pipe end of every Dual-H-type finned tube is mutually welded and fixed with the support supporting plate of the leftmost side, opposite side pipe end is by a left side
It is not welded and fixed with any support supporting plate to right activity successively through all support supporting plates and mutually.
4. the Large Copacity fume afterheat according to claim 1 or 2 or 3 is filled using low temperature emission reduction with abrasionproof high efficient heat exchanging
Put, it is characterised in that：The adjutage communicated therewith and with discharging valve is provided with the bottom of water inlet header, in water outlet header
Top is provided with the bleeder pipe communicated therewith and with vent valve.
5. the Large Copacity fume afterheat according to claim 1 or 2 or 3 is filled using low temperature emission reduction with abrasionproof high efficient heat exchanging
Put, it is characterised in that：Dual-H-type finned tube in every layer of heat exchange straight tube group is end to end and formation two-by-two by some heat exchange bend pipes
The snakelike heat exchange tube road of three road independent parallels, it is snakelike positioned at middle one in the snakelike heat exchange tube road of the road independent parallels of Mei Ceng tri-
The import of heat exchanging pipe is connected by a water inlet straight tube with water inlet header, the snakelike heat exchange tube road of the road independent parallels of Mei Ceng tri-
In positioned at both sides snakelike heat exchange tube road import respectively by one enter teal neck type bend pipe with intake header be connected, wherein
Every enter teal neck type bend pipe by parallel to water inlet straight tube and the water inlet back segment straight tube of the corresponding snakelike heat exchange tube road import of connection,
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°。
6. the Large Copacity fume afterheat according to claim 1 or 2 or 3 is filled using low temperature emission reduction with abrasionproof high efficient heat exchanging
Put, it is characterised in that：Dual-H-type finned tube in every layer of heat exchange straight tube group is end to end and formation two-by-two by some heat exchange bend pipes
The snakelike heat exchange tube road of three road independent parallels, it is snakelike positioned at middle one in the snakelike heat exchange tube road of the road independent parallels of Mei Ceng tri-
The outlet of heat exchanging pipe is connected by a water outlet straight tube with water outlet header, the snakelike heat exchange tube road of the road independent parallels of Mei Ceng tri-
In go out teal neck type bend pipe positioned at the outlet on the snakelike heat exchange tube road on both sides by one respectively and be connected with water outlet header, wherein
Every go out teal neck type bend pipe by parallel to the water outlet back segment straight tube of water outlet straight tube and the corresponding snakelike heat exchange tube way outlet of connection,
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°。
7. the Large Copacity fume afterheat according to claim 1 or 2 or 3 is filled using low temperature emission reduction with abrasionproof high efficient heat exchanging
Put, it is characterised in that：An alignment pin is provided with the top left and right ends of every entablature of frame, at every of frame
The bottom left and right ends of sill are provided with the positioning seat for the corresponding alignment pin docking insertion on entablature.
8. the Large Copacity fume afterheat according to claim 1 or 2 or 3 is filled using low temperature emission reduction with abrasionproof high efficient heat exchanging
Put, it is characterised in that：The boatswain chair for lifting is additionally provided with left and right sides of frame.
9. the Large Copacity fume afterheat according to claim 1 or 2 or 3 is filled using low temperature emission reduction with abrasionproof high efficient heat exchanging
Put, it is characterised in that：It is provided with all support supporting plates in addition to the support supporting plate of two blocks of the left and right sides this will be passed through
Support the spacing press strip being fixed on the support supporting plate of Dual-H-type finned tube of supporting plate.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720524512.7U CN206787341U (en) | 2017-05-12 | 2017-05-12 | Large Copacity fume afterheat utilizes low temperature emission reduction abrasionproof high-efficiency heat exchanger |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720524512.7U CN206787341U (en) | 2017-05-12 | 2017-05-12 | Large Copacity fume afterheat utilizes low temperature emission reduction abrasionproof high-efficiency heat exchanger |
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| CN206787341U true CN206787341U (en) | 2017-12-22 |
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| CN201720524512.7U Active CN206787341U (en) | 2017-05-12 | 2017-05-12 | Large Copacity fume afterheat utilizes low temperature emission reduction abrasionproof high-efficiency heat exchanger |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107014223A (en) * | 2017-05-12 | 2017-08-04 | 江苏龙净节能科技有限公司 | Large Copacity fume afterheat utilizes low temperature emission reduction abrasionproof high-efficiency heat exchanger |
| CN110398419A (en) * | 2019-08-19 | 2019-11-01 | 江苏龙净节能科技有限公司 | A kind of coiled pipe heat exchange module water test unit |
-
2017
- 2017-05-12 CN CN201720524512.7U patent/CN206787341U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107014223A (en) * | 2017-05-12 | 2017-08-04 | 江苏龙净节能科技有限公司 | Large Copacity fume afterheat utilizes low temperature emission reduction abrasionproof high-efficiency heat exchanger |
| CN110398419A (en) * | 2019-08-19 | 2019-11-01 | 江苏龙净节能科技有限公司 | A kind of coiled pipe heat exchange module water test unit |
| CN110398419B (en) * | 2019-08-19 | 2023-12-05 | 江苏龙净节能科技有限公司 | Hydraulic test device for coiled pipe heat exchange module |
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