CN203907647U - High-efficiency exhaust-gas heat-exchange device - Google Patents
High-efficiency exhaust-gas heat-exchange device Download PDFInfo
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- CN203907647U CN203907647U CN201420222810.7U CN201420222810U CN203907647U CN 203907647 U CN203907647 U CN 203907647U CN 201420222810 U CN201420222810 U CN 201420222810U CN 203907647 U CN203907647 U CN 203907647U
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- gas heat
- flue gas
- exchange unit
- tube
- multilayer shell
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Abstract
The utility model relates to the technical field of heat exchange, and discloses a heat-efficiency exhaust-gas heat-exchange device. The device comprises a boiler, a desulfurizing tower, and a chimney, wherein the boiler, the desulfurizing tower and the chimney are sequentially arranged. The device also comprises a multi-layer tubular-type exhaust-gas heat exchanger, a sheet-shaped antistatic airflow shunt, and a bag-type dust collector. The multi-layer tubular-type exhaust-gas heat exchanger is connected with an air outlet end of the desulfurizing tower. The sheet-shaped antistatic airflow shunt is connected with an air outlet end of the multi-layer tubular-type exhaust-gas heat exchanger. The bag-type dust collector and the chimney are respectively connected with the sheet-shaped antistatic airflow shunt. Moreover, the device also comprises a high-pressure water-washing mechanism disposed on the multi-layer tubular-type exhaust-gas heat exchanger, and a smoke recycling device which is corresponding to the multi-layer tubular-type exhaust-gas heat exchanger. The device provided by the utility model is advantageous in that the device improves the efficiency of heat exchange, can remove PM2.5, and saves water resources.
Description
Technical field
The utility model relates to heat transfer technology field, more particularly, and particularly a kind of high effective flue gas heat-exchanger rig.
Background technology
In the heavy industry boiler combustion industries such as thermoelectricity, thermoelectricity, smelting, oil, chemical industry, generally all need to increase flue gas heat-exchange unit, it is mainly to utilize former flue gas that the clean flue gas after desulfurization is heated, make exhaust gas temperature reach dew point supreme, alleviate the corrosion to clean flue and chimney, improve pollutant or three degree, reduce the flue-gas temperature that enters absorption tower.
In prior art, the Chinese utility model patent that is 201320199321.X as the patent No. discloses a kind of smoke heat exchanging system, and it mainly adopts two heat exchangers to carry out flue gas heat exchange.But the shortcoming that this patent exists is: the recovering effect of waste thermal energy is poor and can not remove the PM2.5 in flue gas after desulfurization, therefore, is necessary to design a kind of high effective flue gas heat-exchanger rig of new structure.
Utility model content
The purpose of this utility model is to provide the high effective flue gas heat-exchanger rig that a kind of recuperation of heat effect is good, can remove the PM2.5 in flue gas after desulfurization and can avoid moisture to waste.
In order to solve problem set forth above, the technical solution adopted in the utility model is: a kind of high effective flue gas heat-exchanger rig, comprise the boiler setting gradually, desulfurizing tower and chimney, it also comprises multilayer shell and tube flue gas heat-exchange unit, sheet antistatic stream splitter and sack cleaner, described multilayer shell and tube flue gas heat-exchange unit is connected with the outlet side of desulfurizing tower, described sheet antistatic stream splitter is connected with the outlet side of multilayer shell and tube flue gas heat-exchange unit, described sack cleaner is all connected with sheet antistatic stream splitter with chimney, and this heat-exchanger rig also comprises that one is arranged at the high pressure water washing mechanism on multilayer shell and tube flue gas heat-exchange unit, and the flue dust recovery device corresponding with multilayer shell and tube flue gas heat-exchange unit.
According to a preferred embodiment of the present utility model: described multilayer shell and tube flue gas heat-exchange unit comprises fixed head, a plurality of cold-hot exchanging tubes that at least two-layer staggered form is arranged, are located on fixed head and the cooling water intake being communicated with cold-hot exchanging tube and cooling water outlet.
According to a preferred embodiment of the present utility model: described high pressure water washing mechanism comprises high-pressure hydraulic pump and at least one the high pressure washing head being connected with high-pressure hydraulic pump, described high pressure washing head is corresponding with multilayer shell and tube flue gas heat-exchange unit, and the lower end at described fixed head is also provided with water storage case, on described water storage case, be also provided with outlet pipe.
According to a preferred embodiment of the present utility model: be equipped with carbon fiber layer on the inwall of described fixed head and the outer wall of cold-hot exchanging tube.
According to a preferred embodiment of the present utility model: described sheet antistatic stream splitter comprises stream splitter main body, and is located at a plurality of airflow diversion sheets in stream splitter main body.
According to a preferred embodiment of the present utility model: described flue dust recovery device comprises body, be located at water intake on body, be located at intrinsic filter screen and be located in body and be positioned at the water storehouse of filter screen lower end.
Compared with prior art, the beneficial effects of the utility model are: 1, the utility model adopts multilayer shell and tube flue gas heat-exchange unit, improved the efficiency of heat exchange, make heat transfer effect better, 2, the utility model has adopted high pressure water washing mechanism and flue dust recovery device to carry out high pressure washing and recovery to multilayer shell and tube flue gas heat-exchange unit accompanying flue dust in flue gas heat exchange process, removed PM2.5 and saved water source, 3, the utility model adopted sheet antistatic stream splitter can heat exchanging and rinse after flue dust further shunt.
Accompanying drawing explanation
Fig. 1 is the structural representation of high effective flue gas heat-exchanger rig of the present utility model.
Fig. 2 is the side view of multilayer shell and tube flue gas heat-exchange unit in high effective flue gas heat-exchanger rig of the present utility model.
Fig. 3 is the front view of multilayer shell and tube flue gas heat-exchange unit in high effective flue gas heat-exchanger rig of the present utility model.
Fig. 4 is the structural representation of high effective flue gas heat-exchanger rig mesohigh water flushing mechanism of the present utility model.
Fig. 5 is the structural representation of sheet antistatic stream splitter in high effective flue gas heat-exchanger rig of the present utility model.
Fig. 6 is the structural representation of flue dust recovery device in high effective flue gas heat-exchanger rig of the present utility model.
Description of reference numerals: 1, boiler, 2, desulfurizing tower, 3, multilayer shell and tube flue gas heat-exchange unit, 4, sheet antistatic stream splitter, 5, sack cleaner, 6, chimney, 7, high pressure water washing mechanism, 8, flue dust recovery device, 31, fixed head, 32, cold-hot exchanging tube, 33, cooling water intake, 34, cooling water outlet, 35, water storage case, 36, outlet pipe, 37, carbon fiber layer, 41, stream splitter main body, 42, airflow diversion sheet, 71, high-pressure hydraulic pump, 72, high pressure washing head, 81, water intake, 82, filter screen, 83, water storehouse.
The specific embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, but embodiment of the present utility model is not limited to this.
Consult shown in Fig. 1, the utility model provides a kind of high effective flue gas heat-exchanger rig, comprise the boiler 1 setting gradually, desulfurizing tower 2 and chimney 6, it also comprises multilayer shell and tube flue gas heat-exchange unit 3, sheet antistatic stream splitter 4 and sack cleaner 5, wherein, multilayer shell and tube flue gas heat-exchange unit 3 is connected with the outlet side of desulfurizing tower 2, sheet antistatic stream splitter 4 is connected with the outlet side of multilayer shell and tube flue gas heat-exchange unit 3, sack cleaner 5 is all connected with sheet antistatic stream splitter 4 with chimney 6, and this heat-exchanger rig also comprises that one is arranged at the high pressure water washing mechanism 7 on multilayer shell and tube flue gas heat-exchange unit 3, and the flue dust recovery device 8 corresponding with multilayer shell and tube flue gas heat-exchange unit 3.
Principle of the present utility model is: the flue dust going out from the interior desulfurization of desulfurizing tower 2 enters multilayer shell and tube flue gas heat-exchange unit 3 and carries out heat exchange, flue dust is partly attached to the surface of multilayer shell and tube flue gas heat-exchange unit 3 simultaneously, can the flue dust adhering to be rinsed by high pressure water washing mechanism 7, flue dust after flushing reclaims by flue dust recovery device 8, while flue dust after heat exchange from multilayer shell and tube flue gas heat-exchange unit 3 enters in sheet antistatic stream splitter 4 and shunts, and the part flue dust after shunting is by the further dedusting of sack cleaner 5.The utility model adopts multilayer shell and tube flue gas heat-exchange unit 3 to improve greatly the efficiency of heat exchange on the one hand, make heat transfer effect better, adopt on the other hand high pressure water washing mechanism 7 and flue dust recovery device 8 to carry out high pressure washing and recovery to multilayer shell and tube flue gas heat-exchange unit 3 accompanying flue dust in flue gas heat exchange process, removed PM2.5 and saved water source, then adopt on the one hand sheet antistatic stream splitter 4 can heat exchanging and rinse after flue dust further shunt.
Consult shown in Fig. 2 and Fig. 3, multilayer shell and tube flue gas heat-exchange unit 3 in the utility model comprises fixed head 31, a plurality of cold-hot exchanging tubes 32 that at least two-layer staggered form is arranged, are located on fixed head 31 and the cooling water intake 33 being communicated with cold-hot exchanging tube 32 and cooling water outlet 34.
In use, the heat exchange area of the cold-hot exchanging tube 32 of arranging due to multilayer staggered form is large, and it has improved the efficiency of heat exchange greatly, heat is passed to the cold water entering from cooling water intake 33, and then the heat of cooling water outlet 34 is increased.
Consult shown in Fig. 4, high pressure water washing mechanism 7 in the utility model comprises high-pressure hydraulic pump 71 and at least one the high pressure washing head 72 being connected with high-pressure hydraulic pump 71, wherein, high pressure washing head 72 is corresponding with multilayer shell and tube flue gas heat-exchange unit 3, and the lower end at described fixed head 31 is also provided with water storage case 35, on water storage case 35, be also provided with outlet pipe 36; High pressure washing head 72 can carry out high pressure water washing to flue dust accompanying on multilayer shell and tube flue gas heat-exchange unit 3 with different angles, guarantee on multilayer shell and tube flue gas heat-exchange unit 3 without dust, and waste water after rinsing enters in water storage case 35, can discharge by outlet pipe 36.
In order further to increase heat exchange efficiency, the utility model is equipped with carbon fiber layer 37 on the inwall of described fixed head 31 and the outer wall of cold-hot exchanging tube 32.Meanwhile, in the manufacturing process of whole multilayer shell and tube flue gas heat-exchange unit 3, its material adopts antistatic nonmetal fluoroplastics PFA.C, FEP.C material modified, and in its material equal carbon fibre materials, can further improve heat exchange efficiency.
Consult shown in Fig. 5, the sheet antistatic stream splitter 4 in the utility model comprises stream splitter main body 41, and is located at a plurality of airflow diversion sheets 42 in stream splitter main body 41; The material of airflow diversion sheet 42 also adopts antistatic nonmetal fluoroplastics PFA.C, FEP.C material modified.
Consult shown in Fig. 6, the flue dust recovery device 8 in the utility model comprises body, is located at water intake 81 on body, is located at intrinsic filter screen 82 and is located in body and is positioned at the water storehouse 83 of filter screen 82 lower ends; The waste water of discharging from outlet pipe 36 can filter by filter screen 82, and the water after filtration enters in water storehouse 83 and can recycle.
Above-described embodiment is preferably embodiment of the utility model; but embodiment of the present utility model is not restricted to the described embodiments; other any do not deviate from change, the modification done under Spirit Essence of the present utility model and principle, substitutes, combination, simplify; all should be equivalent substitute mode, within being included in protection domain of the present utility model.
Claims (6)
1. a high effective flue gas heat-exchanger rig, comprise the boiler (1) setting gradually, desulfurizing tower (2) and chimney (6), it is characterized in that: also comprise multilayer shell and tube flue gas heat-exchange unit (3), sheet antistatic stream splitter (4) and sack cleaner (5), described multilayer shell and tube flue gas heat-exchange unit (3) is connected with the outlet side of desulfurizing tower (2), described sheet antistatic stream splitter (4) is connected with the outlet side of multilayer shell and tube flue gas heat-exchange unit (3), described sack cleaner (5) is all connected with sheet antistatic stream splitter (4) with chimney (6), and this heat-exchanger rig also comprises that one is arranged at the high pressure water washing mechanism (7) on multilayer shell and tube flue gas heat-exchange unit (3), and the flue dust recovery device (8) corresponding with multilayer shell and tube flue gas heat-exchange unit (3).
2. high effective flue gas heat-exchanger rig according to claim 1, it is characterized in that: described multilayer shell and tube flue gas heat-exchange unit (3) comprises fixed head (31), a plurality of cold-hot exchanging tubes (32) that at least two-layer staggered form is arranged, are located at fixed head (31) is upper and be communicated with cold-hot exchanging tube (32) cooling water intake (33) and cooling water outlet (34).
3. high effective flue gas heat-exchanger rig according to claim 2, it is characterized in that: described high pressure water washing mechanism (7) comprises high-pressure hydraulic pump (71) and at least one the high pressure washing head (72) being connected with high-pressure hydraulic pump (71), described high pressure washing head 72 is corresponding with multilayer shell and tube flue gas heat-exchange unit (3), and in the lower end of described fixed head (31), be also provided with water storage case (35), on described water storage case (35), be also provided with outlet pipe (36).
4. high effective flue gas heat-exchanger rig according to claim 2, is characterized in that: on the outer wall of the inwall of described fixed head (31) and cold-hot exchanging tube (32), be equipped with carbon fiber layer (37).
5. high effective flue gas heat-exchanger rig according to claim 2, is characterized in that: described sheet antistatic stream splitter (4) comprises stream splitter main body (41), and is located at a plurality of airflow diversion sheets (42) in stream splitter main body (41).
6. high effective flue gas heat-exchanger rig according to claim 3, it is characterized in that: described flue dust recovery device (8) comprises body, be located at water intake (81) on body, be located at intrinsic filter screen (82) and be located in body and be positioned at the water storehouse (83) of filter screen (82) lower end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420222810.7U CN203907647U (en) | 2014-05-04 | 2014-05-04 | High-efficiency exhaust-gas heat-exchange device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420222810.7U CN203907647U (en) | 2014-05-04 | 2014-05-04 | High-efficiency exhaust-gas heat-exchange device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203907647U true CN203907647U (en) | 2014-10-29 |
Family
ID=51781922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420222810.7U Expired - Fee Related CN203907647U (en) | 2014-05-04 | 2014-05-04 | High-efficiency exhaust-gas heat-exchange device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203907647U (en) |
-
2014
- 2014-05-04 CN CN201420222810.7U patent/CN203907647U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141029 Termination date: 20170504 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |