CN203907648U - Spraying drainage type exhaust gas heat exchange device - Google Patents
Spraying drainage type exhaust gas heat exchange device Download PDFInfo
- Publication number
- CN203907648U CN203907648U CN201420300308.3U CN201420300308U CN203907648U CN 203907648 U CN203907648 U CN 203907648U CN 201420300308 U CN201420300308 U CN 201420300308U CN 203907648 U CN203907648 U CN 203907648U
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- China
- Prior art keywords
- heat exchanger
- heat
- gas heat
- drainage type
- flue gas
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Abstract
The utility model relates to the technical field of heat exchange and discloses a spraying drainage type exhaust gas heat exchange device. The spraying drainage type exhaust gas heat exchange device comprises a boiler, a desulfurizing tower and a chimney, and further comprises a multi-layer tube type exhaust gas heat exchanger, a sheet type anti-static airflow diverter, a bag filter, a 45-degree-angle spraying mechanism, a heat exchanger and an electrostatic dust collection mechanism, wherein the boiler, the desulfurizing tower and the chimney are arranged in sequence; the desulfurizing tower and the boiler are connected; the multi-layer tube type exhaust gas heat exchanger is connected with the gas outlet end of the desulfurizing tower; the sheet type anti-static airflow diverter is connected with the gas outlet end of the multi-layer tube type exhaust gas heat exchanger; the chimney and the heat exchanger are connected with the sheet type anti-static airflow diverter; the bag filter is connected with the heat exchanger; the electrostatic dust collection mechanism is arranged inside the bag filter and is connected with the heat exchanger. The spraying drainage type exhaust gas heat exchange device has the advantages of being low in cost, good in heat recovery effect and capable of removing PM2.5 in desulfurized exhaust gas.
Description
Technical field
The utility model relates to heat transfer technology field, more particularly, and particularly a kind of spray drainage type smoke heat replacing device.
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 the diffusance of pollutant, 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: adopt two heat exchangers to carry out heat exchange, improved the cost of investment, reduced the recovering effect of waste thermal energy and can not remove the PM2.5 in flue gas after desulfurization completely, therefore, being necessary to design a kind of new structure smoke heat replacing device.
Utility model content
The purpose of this utility model is to provide that a kind of cost is low, recuperation of heat effect is good and can remove the spray drainage type smoke heat replacing device of the PM2.5 in flue gas after desulfurization.
In order to solve problem set forth above, the technical solution adopted in the utility model is: a kind of spray drainage type smoke heat replacing device, comprise the boiler setting gradually, desulfurizing tower and chimney, also comprise multilayer shell and tube flue gas heat-exchange unit, sheet antistatic stream splitter, sack cleaner, 45° angle spraying mechanism, heat exchanger and electrostatic precipitation mechanism, described desulfurizing tower is connected with boiler, 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 chimney is all connected with sheet antistatic stream splitter with heat exchanger, described sack cleaner is connected with heat exchanger, described electrostatic precipitation mechanism is arranged in sack cleaner and electrostatic precipitation mechanism is also connected with heat exchanger.
According to a preferred embodiment of the present utility model: described electrostatic precipitation mechanism comprises the cylindrical shell being arranged in sack cleaner, be located at air inlet and the gas outlet at cylindrical shell two ends, described air inlet is connected with heat exchanger, is also provided with the electric field that at least one is comprised of anode line and cathode line in described cylindrical shell.
According to a preferred embodiment of the present utility model: described 45° angle spraying mechanism comprises body and is located at least one spray head on body, is 45° angle between the water spraying direction of described spray head and the tubulation of 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, be located on fixed head and the cooling water intake being communicated with cold-hot exchanging tube and cooling water outlet, be arranged at the water storage case of fixed head lower end, and be located at the outlet pipe on described water storage case.
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.
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 to substitute existing U-shaped tubular structure, has reduced the resistance of current, has improved speed and the effect of heat exchange;
2, the utility model adopts the spray that 45° angle spraying mechanism cleans multilayer shell and tube flue gas heat-exchange unit, and the contact area of shower water and heat exchanger is increased, and effectively raises the effect of spray irrigation;
3, the utility model adopts sheet antistatic stream splitter branching in heat exchanger the gas uniform after the cold and hot exchange of heat exchanger, after secondary heat exchange by heat exchanger, enter in sack cleaner again, adopt electrostatic precipitation mechanism to carry out dedusting to the dust in sack cleaner simultaneously, effectively avoided distributing of PM2.5.
Accompanying drawing explanation
Fig. 1 is the structural representation of spray drainage type smoke heat replacing device of the present utility model.
Fig. 2 is the structural representation of electrostatic precipitation mechanism in spray drainage type smoke heat replacing device of the present utility model.
Fig. 3 is the structural representation of 45° angle spraying mechanism in spray drainage type smoke heat replacing device of the present utility model
In Fig. 4, Fig. 4 a is the side view of multilayer shell and tube flue gas heat-exchange unit in spray drainage type smoke heat replacing device of the present utility model, and Fig. 4 b is the front view of multilayer shell and tube flue gas heat-exchange unit.
Fig. 5 is the sheet antistatic stream splitter structural representation in the 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, 45° angle spraying mechanism, 8, heat exchanger, 9, electrostatic precipitation mechanism, 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, body, 72, spray head, 91, cylindrical shell, 92, air inlet, 93, gas outlet, 94, anode line, 95, electric field, 96, cathode line.
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 spray drainage type smoke heat replacing device, comprise the boiler 1 setting gradually, desulfurizing tower 2 and chimney 6, also comprise multilayer shell and tube flue gas heat-exchange unit 3, sheet antistatic stream splitter 4, sack cleaner 5, 45° angle spraying mechanism, heat exchanger 8 and electrostatic precipitation mechanism 9, desulfurizing tower 2 is connected with boiler 1, 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, chimney 6 is all connected with sheet antistatic stream splitter 4 with heat exchanger 8, sack cleaner 5 is connected with heat exchanger 8, electrostatic precipitation mechanism 9 is arranged in sack cleaner 5 and electrostatic precipitation mechanism 9 is also connected with heat exchanger 8.
The principle of spray drainage type smoke heat replacing device of the present utility model is: the flue dust going out from the interior desulfurization of desulfurizing tower 2 enters and multilayer shell and tube flue gas heat-exchange unit 3, carries out a heat exchange, flue dust is partly attached to the surface of multilayer shell and tube flue gas heat-exchange unit 3 simultaneously, the flue dust by adhering to that can tilt by 45° angle spraying mechanism 7 rinses, 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, part flue dust after shunting carries out secondary heat exchange by heat exchanger 8, flue dust after secondary heat exchange enters in the electrostatic precipitation mechanism 9 in sack cleaner 5, by the further dedusting of electrostatic precipitation mechanism 9, effectively avoided distributing of PM2.5.
Consult shown in Fig. 2, electrostatic precipitation mechanism 9 in the utility model comprises the cylindrical shell 91 being arranged in sack cleaner 5, be located at air inlet 92 and the gas outlet 93 at cylindrical shell 91 two ends, air inlet 92 is connected with heat exchanger 8, is also provided with the electric field 95 that at least one is comprised of anode line 94 and cathode line 96 in cylindrical shell 91; The principle of this electrostatic precipitation mechanism 9 is: flue dust enters in cylindrical shell 91 by air inlet 92, and the electric field 95 consisting of a plurality of anode lines 94 and cathode line 96 carries out electrostatic precipitation, makes the PM2.5 in the flue gas out of gas outlet 93 drop to minimum.
Consult shown in Fig. 3,45° angle spraying mechanism 7 in the utility model comprises body 71 and is located at least one spray head 72 on body 71, between the tubulation of the water spraying direction of spray head 72 and multilayer shell and tube flue gas heat-exchange unit 3, be 45° angle, so just increased greatly the contact area between spray head 72 water sprays and tubulation, the dust being attached on multilayer shell and tube flue gas heat-exchange unit 3 is rinsed out, effectively avoided distributing of PM2.5, i.e. dedusting for the first time.
Consult shown in Fig. 4 a and Fig. 4 b, 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, be located on fixed head 31 and the cooling water intake 33 being communicated with cold-hot exchanging tube 32 and cooling water outlet 34, be arranged at the water storage case 35 of fixed head 31 lower ends, and be located at the outlet pipe 36 on water storage case 35.
As preferably, the utility model is also equipped with carbon fiber layer 37 on the inwall of fixed head 31 and the outer wall of cold-hot exchanging tube 32, simultaneously, 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, sheet antistatic stream splitter 4 in the utility model comprises stream splitter main body 41, and be located at a plurality of airflow diversion sheets 42 in stream splitter main body 41, by the effect of a plurality of airflow diversion sheets 42, mainly the flue dust after heat exchange is shunted uniformly; The material of airflow diversion sheet 42 also adopts antistatic nonmetal fluoroplastics PFA.C, FEP.C material modified.
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. one kind sprays drainage type smoke heat replacing device, 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), sack cleaner (5), 45° angle spraying mechanism, heat exchanger (8) and electrostatic precipitation mechanism (9), described desulfurizing tower (2) is connected with boiler (1), 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 chimney (6) is all connected with sheet antistatic stream splitter (4) with heat exchanger (8), described sack cleaner (5) is connected with heat exchanger (8), described electrostatic precipitation mechanism (9) is arranged in sack cleaner (5) and electrostatic precipitation mechanism (9) is also connected with heat exchanger (8).
2. spray drainage type smoke heat replacing device according to claim 1, it is characterized in that: described electrostatic precipitation mechanism (9) comprises the cylindrical shell (91) being arranged in sack cleaner (5), be located at air inlet (92) and gas outlet (93) at cylindrical shell (91) two ends, described air inlet (92) is connected with heat exchanger (8), is also provided with the electric field (95) that at least one is comprised of anode line (94) and cathode line (96) in described cylindrical shell (91).
3. spray drainage type smoke heat replacing device according to claim 1, it is characterized in that: described 45° angle spraying mechanism (7) comprises body (71) and is located at least one spray head (72) on body (71), between the water spraying direction of described spray head (72) and the tubulation of multilayer shell and tube flue gas heat-exchange unit (3), is 45° angle.
4. spray drainage type smoke heat replacing device 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, be 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), be arranged at the water storage case (35) of fixed head (31) lower end, and be located at the outlet pipe (36) on described water storage case (35).
5. spray drainage type smoke heat replacing device according to claim 4, 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).
6. spray drainage type smoke heat replacing device according to claim 1, it is characterized in that: described sheet antistatic stream splitter (4) comprises stream splitter main body (41), and be located at a plurality of airflow diversion sheets (42) in stream splitter main body (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420300308.3U CN203907648U (en) | 2014-06-08 | 2014-06-08 | Spraying drainage type exhaust gas heat exchange device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420300308.3U CN203907648U (en) | 2014-06-08 | 2014-06-08 | Spraying drainage type exhaust gas heat exchange device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203907648U true CN203907648U (en) | 2014-10-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420300308.3U Expired - Fee Related CN203907648U (en) | 2014-06-08 | 2014-06-08 | Spraying drainage type exhaust gas heat exchange device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203907648U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106731178A (en) * | 2016-12-25 | 2017-05-31 | 重庆海国科技有限公司 | Efficient two-stage vacuum oil filtering system |
-
2014
- 2014-06-08 CN CN201420300308.3U patent/CN203907648U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106731178A (en) * | 2016-12-25 | 2017-05-31 | 重庆海国科技有限公司 | Efficient two-stage vacuum oil filtering system |
| CN106731178B (en) * | 2016-12-25 | 2022-07-26 | 重庆海国科技有限公司 | High-efficiency two-stage vacuum oil filtering system |
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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: 20160608 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |