CN208860172U - Modified plastics tubular type flue gas-smoke heat replacing device - Google Patents
Modified plastics tubular type flue gas-smoke heat replacing device Download PDFInfo
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- CN208860172U CN208860172U CN201821420481.1U CN201821420481U CN208860172U CN 208860172 U CN208860172 U CN 208860172U CN 201821420481 U CN201821420481 U CN 201821420481U CN 208860172 U CN208860172 U CN 208860172U
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- flue gas
- replacing device
- tubular type
- modified plastics
- perforated plate
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Abstract
A kind of modified plastics tubular type flue gas-smoke heat replacing device, including shell, upper perforated plate, lower perforated plate, support baseboard, middle part tube sheet, heat exchanger tube, upper sealing gasket, lower seal circle, middle part sealing ring, the former gas inlet reducer of vertical direction installation in the upper housing, several the former smoke deflectors being mounted on inside former gas inlet reducer, the former exhanst gas outlet reducer of vertical direction installation in the lower part of the housing, horizontal direction is mounted on the neat stress import reducer of shell side, several neat stress deflectors being mounted on inside neat stress import reducer, horizontal direction is mounted on the neat stress outlet reducer of the shell other side.The utility model flue gas flow field is uniform, good seal, and support is reliable, and resiliency is strong, uniform force, and performance of heat exchange tubes is excellent.It can be widely applied in low-temperature flue gas-smoke heat replacing device.
Description
Technical field
The present invention relates to a kind of modified plastics tubular type flue gas-smoke heat replacing devices, can be widely applied to low-temperature flue gas-flue gas
In heat-exchanger rig.
Background technique
From after the environmental protection policy that in January, 2016 Shanghai City comes into effect phenomena such as eliminating gypsum rain, coloured plume, Zhejiang,
Related environmental protection policy is promulgated on the ground such as Tianjin, Hebei, Shanxi successively, is controlled the coloured plume of wet desulphurization.
Existing smoke heat exchanging system is the flue gas reheat system using heat medium water as medium, and flue gas heat collector and flue gas are again
Hot device is arranged on former flue and net flue, and heat medium water side is the closed circulation system of water pump driving, from flue gas heat collector
Enter smoke re-heater heat release after heat absorption, is discharged after so that neat stress is heated up, need newly surge lateral line and driving member, system is multiple
Miscellaneous, investment is high, and operating cost is high.
Summary of the invention
The purpose of the present invention is to provide a kind of flue gas flow fields uniformly, good seal, support is reliable, resiliency is strong, stress
Uniformly, the excellent modified plastics tubular type flue gas-smoke heat replacing device of performance of heat exchange tubes.
In order to achieve the above object, modified plastics tubular type flue gas-smoke heat replacing device of the present invention, including shell, are mounted on
In housing top surface and be equipped with several location holes upper perforated plate, be mounted in housing bottom surface and be equipped with and upper perforated plate location hole axial direction phase
The lower perforated plate of corresponding several location holes, below the lower perforated plate, equipped with upper perforated plate and lower perforated plate location hole is axially opposing answers
Several apertures and be mounted on the support baseboard on shell, be located at housing central section, be equipped with and upper perforated plate and lower perforated plate location hole
The axially opposing several location holes answered and the middle part tube sheet being mounted on shell have and are threaded through positioned at enclosure interior, upper end
Nut buckle be threadedly coupled, lower end support by support baseboard and is passed through several heat exchanger tubes of location hole, exchange heat pipe outer wall with it is upper
The upper sealing gasket being arranged between tube sheet location hole, the lower seal being arranged between heat exchange pipe outer wall and lower perforated plate location hole
Circle, the middle part sealing ring being arranged between heat exchange pipe outer wall and middle part tube sheet location hole, vertical direction are installed in the upper housing
Former gas inlet reducer, several the former smoke deflectors being mounted on inside former gas inlet reducer, vertical direction installation
Former exhanst gas outlet reducer in the lower part of the housing, horizontal direction are mounted on the neat stress import reducer of shell side, are mounted on
Several neat stress deflectors inside neat stress import reducer, horizontal direction are mounted on the neat stress outlet of the shell other side
Reducer.
Modified plastics tubular type flue gas-smoke heat replacing device of the present invention, the upper sealing gasket, middle part sealing ring, lower part
Sealing ring is the step shaped seals circle of up/down steps formula.
Modified plastics tubular type flue gas-smoke heat replacing device of the present invention, the step shaped seals circle, inner wall are equipped with spiral shell
Line.
Modified plastics tubular type flue gas-smoke heat replacing device of the present invention, the upper sealing gasket, middle part sealing ring, lower part
Sealing ring, material are rubber.
Modified plastics tubular type flue gas-smoke heat replacing device of the present invention, the nut buckle are pressed against step shaped seals circle
Heat exchanger tube is simultaneously fastened on upper perforated plate by top bar.
Modified plastics tubular type flue gas-smoke heat replacing device of the present invention, the support baseboard, hole diameter, which is slightly less than, to be changed
Heat pipe internal diameter.
Modified plastics tubular type flue gas-smoke heat replacing device of the present invention, the support baseboard, hole diameter are equal to heat exchange
Bore.
Modified plastics tubular type flue gas-smoke heat replacing device of the present invention, the heat exchanger tube are straight tube.
Modified plastics tubular type flue gas-smoke heat replacing device of the present invention, the heat exchanger tube are Round fin pipe.
Modified plastics tubular type flue gas-smoke heat replacing device of the present invention, the heat exchanger tube, material are modified plastics.
Modified plastics tubular type flue gas-smoke heat replacing device of the present invention, the modified plastics are that a kind of fibre reinforced is poly-
Diphenyl sulfide nanocomposite.
Modified plastics tubular type flue gas-smoke heat replacing device of the present invention, from boiler induced-draft fan come out after, to enter absorption tower it
Preceding to be all desulfurization original flue gas, in the flue gas after coming out from absorption tower, most of oxysulfide is absorbed, so the flue gas come out claims
Be neat stress.
Modified plastics tubular type flue gas-smoke heat replacing device of the present invention, its working principle is that: by desulfurizing tower entrance Lai high temperature
Former flue gas enters former gas inlet reducer, and then enters heat exchanger tube, meanwhile, the low temperature neat stress entrance come by desulfurizing tower outlet
Neat stress import reducer, and then horizontal plunder heat exchanger tube.Former flue gas and neat stress carry out hot friendship in heat exchanger tube region cross flow one
It changes, reduces former flue-gas temperature, neat stress temperature increases, and then former flue gas enters former exhanst gas outlet reducer, and neat stress enters
Neat stress exports reducer, outflow heat exchanger.
Modified plastics tubular type flue gas-smoke heat replacing device of the present invention, the former gas inlet reducer are disposed with former cigarette
Conductance flowing plate, neat stress import reducer are disposed with neat stress deflector, make former flue gas, neat stress even flow field.
Modified plastics tubular type flue gas-smoke heat replacing device of the present invention, the heat exchanger tube are a kind of fibre reinforced polyphenylene sulfides
Ether nanocomposite can be straight tube or Round fin pipe in rigidity, and pipe outside diameter is 40 ~ 80mm, and wall thickness is 2.0 ~ 4.0mm, wing
Piece 15 ~ 30mm of height, 1.5 ~ 2.5mm of thickness.
Modified plastics tubular type flue gas-smoke heat replacing device of the present invention is sealed between exchanger tubes and tubesheets using rubber material
Coil component, there are three effects for tool:
(1) in the sealing ring of upper perforated plate and lower perforated plate, former flue gas can be sealed, it is prevented to be leaked into neat stress
Side, good seal；
(2) it is internal thread structure inside sealing ring, is conducive to improve packaging efficiency, while heat exchanger tube internal threads are generated and squeezed
Pressure, frictional force make sealing ring exchange heat pipe have certain support, positioning action；
(3) since the eroding velocity of flue gas exchange heat pipe is higher, sealing ring can play buffer function, and resiliency is strong.
Modified plastics tubular type flue gas-smoke heat replacing device of the present invention, exchange heat pipe uses dual-support structure, first is that heat exchanger tube
Upper end is connected with nut buckle, and nut buckle outer diameter is greater than tube sheet aperture, enable firmly to be pressed in when its stress is downward sealing ring and
On upper perforated plate；Second is that the supporting role of support baseboard exchange heat pipe, heat exchange tube wall are uprightly placed on support baseboard, and therefore, branch
Support is reliable, uniform force.
Modified plastics tubular type flue gas-smoke heat replacing device of the present invention, the material are the heat exchanger tube of modified plastics, are passed through
The verification experimental verification of every stringent burn into temperature, mechanical failure, has following excellent performance:
(1) excellent corrosion resistance: can 70 DEG C 15% of hydrochloric acid, 50% sulfuric acid, 15% nitric acid and phosphoric acid, 5% hydrogen
It is long-term corrosion-free in fluoric acid medium；
(2) excellent heat resistance: 260 DEG C of maximum operation (service) temperature, 200 DEG C of temperature are used reliably and with long-term；
(3) excellent heating conduction: anisotropic material, minimum thermal conductivity are about 4.3W/ (mK), about fluoroplastics
15 times, the 1/4 of stainless steel；
(4) intensity is high, impervious strong: maximum working (operation) pressure (MWP) 2.0Pa uses pressure 1.6MPa reliably and with long-term.Hydraulic pressure
2.0MPa, pressure maintaining 24 hours, pipe appearance ne-leakage, gauge pressure was unchanged；
(5) excellent scale inhibition performance, preferable wear-resisting property: heat exchange pipe surface is very smooth, and in high temperature, high-pressure molding
When, the superficial layer of formation is very fine and close, and the inorganic material added in formula in addition has fine lubrication function again, therefore material has
There are excellent wearability and scale inhibition performance.Especially use in a corrosive environment, it is more more excellent than the scale-inhibiting properties of carbon steel pipe；
(6) light weight: material proportion is only 1.7~1.8g/cm3, and the 1/4 of insufficient steel.Weight of equipment is greatly reduced,
Save a large amount of backing materials and mounting cost；
(7) injection molding technique processing performance: can be used；
(8) material cost is lower, and comprehensive economy is excellent.
Modified plastics tubular type flue gas-smoke heat replacing device of the present invention is readily transported, on-site hoisting using modularized design
And maintenance.
In conclusion modified plastics tubular type flue gas-smoke heat replacing device of the present invention, flue gas flow field is uniform, good seal, branch
Support is reliable, and resiliency is strong, uniform force, and performance of heat exchange tubes is excellent.
Detailed description of the invention
Below in conjunction with attached drawing and embodiment, the present invention will be further explained.
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the right view of Fig. 1；
Fig. 3 be in Fig. 2 I at partial enlargement structural representation；
Fig. 4 be in Fig. 2 II at partial enlargement structural representation；
Fig. 5 be in Fig. 2 III at partial enlargement structural representation.
Specific embodiment
In FIG. 1 to FIG. 5, modified plastics tubular type flue gas-smoke heat replacing device of the present invention, including shell 1, it is mounted on shell
On top surface and be equipped with several location holes upper perforated plate 2, be mounted in housing bottom surface and be equipped with upper perforated plate location hole it is axially opposing
The lower perforated plate 3 for several location holes answered, below the lower perforated plate, equipped with upper perforated plate and lower perforated plate location hole are axially opposing answers
Several apertures a and the support baseboard 4 being mounted on shell are located at housing central section, are equipped with and upper perforated plate and lower perforated plate location hole
The axially opposing several location holes answered and the middle part tube sheet 5 being mounted on shell have and are threaded through positioned at enclosure interior, upper end
Nut buckle 16 be threadedly coupled, lower end support by support baseboard and is passed through several heat exchanger tubes 6 of location hole, exchange heat pipe outer wall and
The upper sealing gasket 7 being arranged between upper perforated plate location hole, the lower part being arranged between heat exchange pipe outer wall and lower perforated plate location hole are close
Seal 8, the middle part sealing ring 9 being arranged between heat exchange pipe outer wall and middle part tube sheet location hole, vertical direction is mounted on shell
The former gas inlet reducer 10 in portion, several the former smoke deflectors 11 being mounted on inside former gas inlet reducer, vertically
The former exhanst gas outlet reducer 12 of direction installation in the lower part of the housing, horizontal direction are mounted on the neat stress import variable diameter of shell side
Section 13, several neat stress deflectors 14 being mounted on inside neat stress import reducer, it is another that horizontal direction is mounted on shell
The neat stress of side exports reducer 15.
Modified plastics tubular type flue gas-smoke heat replacing device of the present invention, the upper sealing gasket, middle part sealing ring, lower part
Sealing ring is the step shaped seals circle of up/down steps formula.
Modified plastics tubular type flue gas-smoke heat replacing device of the present invention, the step shaped seals circle, inner wall are equipped with spiral shell
Line.
Modified plastics tubular type flue gas-smoke heat replacing device of the present invention, the upper sealing gasket, middle part sealing ring, lower part
Sealing ring, material are rubber.
Modified plastics tubular type flue gas-smoke heat replacing device of the present invention, the nut buckle are pressed against step shaped seals circle
Heat exchanger tube is simultaneously fastened on upper perforated plate by top bar.
Modified plastics tubular type flue gas-smoke heat replacing device of the present invention, the support baseboard, hole diameter, which is slightly less than, to be changed
Heat pipe internal diameter.
Modified plastics tubular type flue gas-smoke heat replacing device of the present invention, the support baseboard, hole diameter are equal to heat exchange
Bore.
Modified plastics tubular type flue gas-smoke heat replacing device of the present invention, the heat exchanger tube are straight tube.
Modified plastics tubular type flue gas-smoke heat replacing device of the present invention, the heat exchanger tube are Round fin pipe.
Modified plastics tubular type flue gas-smoke heat replacing device of the present invention, the heat exchanger tube, material are modified plastics.
Modified plastics tubular type flue gas-smoke heat replacing device of the present invention, the modified plastics are that a kind of fibre reinforced is poly-
Diphenyl sulfide nanocomposite.
In addition, in figure, former flow of flue gas direction b, neat stress flow direction c.
Claims (11)
1. a kind of modified plastics tubular type flue gas-smoke heat replacing device, which is characterized in that including shell, be mounted in housing top surface
And be equipped with several location holes upper perforated plate, be mounted in housing bottom surface and be equipped with upper perforated plate location hole it is axially opposing answer it is several
The lower perforated plate of location hole, below the lower perforated plate, equipped with upper perforated plate and lower perforated plate location hole it is axially opposing answer several are small
Hole is simultaneously mounted on the support baseboard on shell, positioned at housing central section, equipped with upper perforated plate and lower perforated plate location hole is axially opposing answers
Several location holes and the middle part tube sheet that is mounted on shell, positioned at enclosure interior, upper end with being threaded through nut buckle screw thread
Connection, lower end are supported by support baseboard and are passed through several heat exchanger tubes of location hole, in heat exchange pipe outer wall and upper perforated plate location hole
Between the upper sealing gasket that is arranged, the lower seal circle being arranged between heat exchange pipe outer wall and lower perforated plate location hole, in heat exchanger tube
The middle part sealing ring being arranged between outer wall and middle part tube sheet location hole, the former gas inlet of vertical direction installation in the upper housing become
Diameter section, several the former smoke deflectors being mounted on inside former gas inlet reducer, vertical direction are installed in the lower part of the housing
Former exhanst gas outlet reducer, horizontal direction are mounted on the neat stress import reducer of shell side, are mounted on neat stress import change
Several neat stress deflectors of diameter intersegmental part, horizontal direction are mounted on the neat stress outlet reducer of the shell other side.
2. modified plastics tubular type flue gas-smoke heat replacing device according to claim 1, which is characterized in that the top
Sealing ring, middle part sealing ring, lower seal circle are the step shaped seals circle of up/down steps formula.
3. modified plastics tubular type flue gas-smoke heat replacing device according to claim 2, which is characterized in that the step
Shaped seals circle, inner wall are equipped with screw thread.
4. modified plastics tubular type flue gas-smoke heat replacing device according to claim 1, which is characterized in that the top
Sealing ring, middle part sealing ring, lower seal circle, material are rubber.
5. modified plastics tubular type flue gas-smoke heat replacing device according to claim 1, which is characterized in that the nut
Button is pressed against the top bar of step shaped seals circle and heat exchanger tube is fastened on upper perforated plate.
6. modified plastics tubular type flue gas-smoke heat replacing device according to claim 1, which is characterized in that the support
Bottom plate, hole diameter are slightly less than heat exchange bore.
7. modified plastics tubular type flue gas-smoke heat replacing device according to claim 1, which is characterized in that the support
Bottom plate, hole diameter are equal to heat exchange bore.
8. modified plastics tubular type flue gas-smoke heat replacing device according to claim 1, which is characterized in that the heat exchange
Pipe is straight tube.
9. modified plastics tubular type flue gas-smoke heat replacing device according to claim 1, which is characterized in that the heat exchange
Pipe is Round fin pipe.
10. modified plastics tubular type flue gas-smoke heat replacing device according to claim 1, which is characterized in that the heat exchange
Pipe, material are modified plastics.
11. modified plastics tubular type flue gas-smoke heat replacing device according to claim 10, which is characterized in that described changes
Property plastics, are a kind of fibre reinforced polyphenylene sulfide nanocomposites.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821420481.1U CN208860172U (en) | 2018-08-31 | 2018-08-31 | Modified plastics tubular type flue gas-smoke heat replacing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821420481.1U CN208860172U (en) | 2018-08-31 | 2018-08-31 | Modified plastics tubular type flue gas-smoke heat replacing device |
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| Publication Number | Publication Date |
|---|---|
| CN208860172U true CN208860172U (en) | 2019-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821420481.1U Active CN208860172U (en) | 2018-08-31 | 2018-08-31 | Modified plastics tubular type flue gas-smoke heat replacing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108801001A (en) * | 2018-08-31 | 2018-11-13 | 青岛达能环保设备股份有限公司 | Modified plastics tubular type flue gas-smoke heat exchanging system |
-
2018
- 2018-08-31 CN CN201821420481.1U patent/CN208860172U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108801001A (en) * | 2018-08-31 | 2018-11-13 | 青岛达能环保设备股份有限公司 | Modified plastics tubular type flue gas-smoke heat exchanging system |
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