CN206235209U - Water and flue gas heat-exchange unit and heat-exchange system - Google Patents
Water and flue gas heat-exchange unit and heat-exchange system Download PDFInfo
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- CN206235209U CN206235209U CN201620779296.6U CN201620779296U CN206235209U CN 206235209 U CN206235209 U CN 206235209U CN 201620779296 U CN201620779296 U CN 201620779296U CN 206235209 U CN206235209 U CN 206235209U
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- pipe
- heat
- flue gas
- steel pipe
- collecting box
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Abstract
The utility model discloses water and flue gas heat-exchange unit and heat-exchange system, it includes housing (1), and housing (1) is respectively provided on two sides with smoke-intake pipe (2) and pipe (3)；Upper header (4) and lower collecting box (5) are provided with housing (1), water inlet pipe (6) and outlet pipe (7) are connected on upper header (4) and lower collecting box (5), many fluorine Plastic Steel Pipes (8) of array distribution are connected between upper header (4) and lower collecting box (5)；Fluorine Plastic Steel Pipe (8) including steel pipe (9) and extrusion moulding steel pipe (9) outer surface fluoroplastic layer (10).The utility model can not only eliminate heat exchanger tube surface pores, improve heat exchanger tube anticorrosion ability, reduce demineralized water heating cost and energy consumption, also have the advantages that thermal resistance is small and good effect of heat exchange.
Description
Technical field
The utility model is related to a kind of water and flue gas heat-exchange unit and heat-exchange system.
Background technology
Now, in the market heats demineralized water typically by the way of boiler heating, but it needs burn coal, heating cost
It is higher；In order to reduce demineralized water heating cost and coal consumption, typically now using heat exchanger by the heat exchange in boiler smoke extremely
Demineralized water is heated.
Existing heat exchanger uses the heat exchange of steel pipe manufacturing when for heating demineralized water using boiler smoke in heat exchanger
Tube capacity is easily by flue gas corrosion；In order to prevent steel pipe from being damaged by boiler smoke burn into by middle, in present heat exchanger, typically in steel
One plastics of pipe outer covering or coating isolate steel tube surface with boiler smoke.But, the heat exchanger tube table in existing heat exchanger
There is stomata in face, cause the anticorrosion ability of heat exchanger tube poor；And, the thermal resistance of heat exchanger tube is larger in heat exchanger, causes heat exchange
The heat transfer effect of device is poor.Therefore, existing heat exchanger has heat exchange pipe surface and there is stomata, heat exchanger tube anticorrosion ability compared with
Difference, the problem that thermal resistance is larger and heat transfer effect is poor.
Utility model content
The purpose of this utility model is, there is provided a kind of water and flue gas heat-exchange unit and heat-exchange system.The utility model is used
Fluorine Plastic Steel Pipe can not only eliminate heat exchanger tube surface pores as heat exchanger tube, heat exchanger tube anticorrosion ability be improved, also with thermal resistance
The advantage of small and good effect of heat exchange.
The technical solution of the utility model：Water and flue gas heat-exchange unit, including housing, housing be respectively provided on two sides with smoke-intake pipe and
Pipe；Upper header and lower collecting box are provided with housing, water inlet pipe and outlet pipe are connected on upper header and lower collecting box, on
Many fluorine Plastic Steel Pipes of array distribution are connected between header and lower collecting box；Fluorine Plastic Steel Pipe includes steel pipe and extrusion moulding in steel pipe
The fluoroplastic layer of outer surface.
In foregoing water and flue gas heat-exchange unit, it is equipped with the position of correspondence fluorine Plastic Steel Pipe on the upper header and lower collecting box
Mounting hole.
In foregoing water and flue gas heat-exchange unit, the upper header is connected with housing top surface, and lower collecting box connects with the bottom surface of housing
Connect, fluorine Plastic Steel Pipe is vertically arranged with smoke-intake pipe, pipe.
In foregoing water and flue gas heat-exchange unit, the bore of the steel pipe is 10mm~60mm, steel pipe thickness be 0.5mm~
6mm, the thickness of fluoroplastic layer is 0.3mm~3mm.
According to the heat-exchange system that foregoing water and flue gas heat-exchange unit build, including boiler and air-introduced machine, boiler and air-introduced machine
Between be connected with deduster, heat exchanger, desulfurizing tower and wet electrical dust precipitator in turn；The heat exchanger is that foregoing water is changed with flue gas
Hot device, the both sides of heat exchanger are connected with deduster and air-introduced machine respectively by smoke-intake pipe and pipe.
Compared with prior art, the utility model improves existing heat exchanger structure, for using flue gas desalination
Water, fluoroplastic layer and steel pipe by extrusion moulding in outer surface of steel tube constitute fluorine Plastic Steel Pipe, and using fluorine Plastic Steel Pipe as heat exchange
Pipe, can eliminate heat exchanger tube surface pores, improve heat exchanger tube anticorrosion ability；Fluorine is fixedly connected with lower collecting box by upper header to mould
Steel pipe, demineralized water can be divided equally heated at most root fluorine Plastic Steel Pipe by lower collecting box, and by upper header by many fluorine
Demineralized water centralized collection after being heated in Plastic Steel Pipe, convenient use.And, the utility model steel pipe bore be 10mm~60mm,
The fluorine Plastic Steel Pipe that steel pipe thickness is 0.5mm~6mm, fluoroplastic layer thickness is 0.3mm~3mm, can reduce thermal resistance, improve heat exchange
Effect, additionally it is possible to increase heat exchange area, reduces the resistance more than 50% to flue gas；Sealing is improved by sealing flange, is prevented
Flue gas overflows or heat losses, further improves heat transfer effect.The utility model is used in the heat-exchange system of water and flue gas, passes through
Smoke-intake pipe, while low temperature demineralized water is uniformly passed through in many fluorine Plastic Steel Pipes by lower collecting box, is utilized to flue gas is passed through in housing
Heat exchange heating demineralized water between flue gas and demineralized water, the demineralized water after heating is discharged after upper header centralized collection again, energy
25 DEG C of demineralized water is enough heated to 100 DEG C using 130 DEG C of flue gas, demineralized water heating cost and energy consumption is reduced.Therefore, originally
Utility model can not only eliminate heat exchanger tube surface pores, improve heat exchanger tube anticorrosion ability, reduce demineralized water heating cost and
Energy consumption, also has the advantages that thermal resistance is small and good effect of heat exchange.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the sectional view of fluorine Plastic Steel Pipe；
Fig. 3 is the structural representation of upper header；
Fig. 4 is the structural representation of heat-exchange system.
Mark in accompanying drawing for：1- housings, 2- smoke-intake pipes, 3- pipes, 4- upper headers, 5- lower collecting box, 6- water inlet pipes, 7-
Outlet pipe, 8- fluorine Plastic Steel Pipes, 9- steel pipes, 10- fluoroplastic layers, 11- mounting holes, 12- boilers, 13- air-introduced machines, 14- dedusters,
15- heat exchangers, 16- desulfurizing towers, 17- wet electrical dust precipitators.
Specific embodiment
The utility model is further described with reference to embodiment, but is not intended as to the utility model limitation
Foundation.
Embodiment.Water and flue gas heat-exchange unit, are constituted as shown in Figure 1, 2, 3, including housing 1, housing 1 be respectively provided on two sides with into
Smoke pipe 2 and pipe 3；Upper header 4 and lower collecting box 5 are provided with housing 1, are connected into water on upper header 4 and lower collecting box 5
Pipe 6 and outlet pipe 7, are connected with many fluorine Plastic Steel Pipes 8 of array distribution between upper header 4 and lower collecting box 5；Fluorine Plastic Steel Pipe 8 includes
The fluoroplastic layer 10 of steel pipe 9 and extrusion moulding in the outer surface of steel pipe 9.
On the upper header 4 and lower collecting box 5 mounting hole 11 is equipped with the position of correspondence fluorine Plastic Steel Pipe 8；The upper header 4
It is connected with the top surface of housing 1, lower collecting box 5 is connected with the bottom surface of housing 1, fluorine Plastic Steel Pipe 8 is vertically arranged with smoke-intake pipe 2, pipe 3；
The bore of the steel pipe 9 is 10mm~60mm (preferably 10mm), and the thickness of steel pipe 9 is 0.5mm~6mm (preferably 0.5mm), fluorine
The thickness of plastic layer 10 is 0.3mm~3mm (preferably 0.3mm).
According to the heat-exchange system that foregoing water and flue gas heat-exchange unit build, constitute as shown in Figures 1 to 4, including the He of boiler 12
Air-introduced machine 13, is connected with deduster 14, heat exchanger 15, desulfurizing tower 16 and wet-esp in turn between boiler 12 and air-introduced machine 13
Device 17；The heat exchanger 15 is foregoing water and flue gas heat-exchange unit, and the both sides of heat exchanger 15 pass through 3 points of smoke-intake pipe 2 and pipe
It is not connected with deduster 14 and air-introduced machine 13.
Operation principle：As shown in Figures 1 to 4, the flue gas that boiler 12 is produced is passed through dedusting successively in the presence of air-introduced machine 13
Device 14, heat exchanger 15, desulfurizing tower 16 and wet electrical dust precipitator 17；Flue gas is by directly logical through smoke-intake pipe 2 after the dedusting of deduster 14
Enter in housing 1, while low temperature demineralized water is passed through in lower collecting box 5 by water inlet pipe 6, lower collecting box 5 uniformly delivers to demineralized water
In many fluorine Plastic Steel Pipes 8；When flue gas is by fluorine 8 outside of Plastic Steel Pipe, flue gas can be changed with the demineralized water in fluorine Plastic Steel Pipe 8
Heat, heats to demineralized water；Demineralized water after heating is discharged after being concentrated through upper header 4 again from outlet pipe 7；Flue gas after heat exchange is through going out
Smoke pipe 3 is entered carries out desulfurization process in desulfurizing tower 16, wet electrical dust precipitator 17 is then passed through again and is further gone out of the city.
Claims (5)
1. water and flue gas heat-exchange unit, it is characterised in that：Including housing (1), housing (1) is respectively provided on two sides with smoke-intake pipe (2) and goes out
Smoke pipe (3)；Upper header (4) and lower collecting box (5) are provided with housing (1), are connected on upper header (4) and lower collecting box (5)
Water inlet pipe (6) and outlet pipe (7), are connected with many fluorine Plastic Steel Pipes (8) of array distribution between upper header (4) and lower collecting box (5)；
Fluorine Plastic Steel Pipe (8) including steel pipe (9) and extrusion moulding steel pipe (9) outer surface fluoroplastic layer (10).
2. water according to claim 1 and flue gas heat-exchange unit, it is characterised in that：On the upper header (4) and lower collecting box (5)
Mounting hole (11) is equipped with the position of correspondence fluorine Plastic Steel Pipe (8).
3. water according to claim 1 and flue gas heat-exchange unit, it is characterised in that：The upper header (4) and housing (1) top surface
Connection, lower collecting box (5) is connected with the bottom surface of housing (1), and fluorine Plastic Steel Pipe (8) is vertically arranged with smoke-intake pipe (2), pipe (3).
4. water according to claim 1 and flue gas heat-exchange unit, it is characterised in that：The bore of the steel pipe (9) be 10mm~
60mm, steel pipe (9) thickness is 0.5mm~6mm, and the thickness of fluoroplastic layer (10) is 0.3mm~3mm.
5. the heat-exchange system for being built with flue gas heat-exchange unit according to the water described in any claim in Claims 1-4, its feature
It is：Including boiler (12) and air-introduced machine (13), it is connected with deduster (14) between boiler (12) and air-introduced machine (13) in turn, changes
Hot device (15), desulfurizing tower (16) and wet electrical dust precipitator (17)；The heat exchanger (15) is any right in Claims 1-4
It is required that described water and flue gas heat-exchange unit, the both sides of heat exchanger (15) by smoke-intake pipe (2) and pipe (3) respectively with deduster
(14) connected with air-introduced machine (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620779296.6U CN206235209U (en) | 2016-07-20 | 2016-07-20 | Water and flue gas heat-exchange unit and heat-exchange system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620779296.6U CN206235209U (en) | 2016-07-20 | 2016-07-20 | Water and flue gas heat-exchange unit and heat-exchange system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206235209U true CN206235209U (en) | 2017-06-09 |
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ID=58986545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620779296.6U Active CN206235209U (en) | 2016-07-20 | 2016-07-20 | Water and flue gas heat-exchange unit and heat-exchange system |
Country Status (1)
| Country | Link |
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| CN (1) | CN206235209U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106197087A (en) * | 2016-07-20 | 2016-12-07 | 杭州佰强能源科技有限公司 | A kind of water and flue gas heat-exchange unit and heat-exchange system |
-
2016
- 2016-07-20 CN CN201620779296.6U patent/CN206235209U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106197087A (en) * | 2016-07-20 | 2016-12-07 | 杭州佰强能源科技有限公司 | A kind of water and flue gas heat-exchange unit and heat-exchange system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170619 Address after: 324000 No. 9 warehouse Road, Quzhou, Zhejiang Patentee after: Quzhou Bai Qiang new Mstar Technology Ltd Address before: Hangzhou City, Zhejiang province 310000 Gongshu District Fengtan Road No. 380 intime city C, 12A Patentee before: Hangzhou the last one hundred Energy Science Co., Ltd |
|
| TR01 | Transfer of patent right |