CN204084301U - Chain furnace hot-water boiler is with afterbody waste heat boiler and drive heat transfer energy conserving system - Google Patents
Chain furnace hot-water boiler is with afterbody waste heat boiler and drive heat transfer energy conserving system Download PDFInfo
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- CN204084301U CN204084301U CN201420530528.5U CN201420530528U CN204084301U CN 204084301 U CN204084301 U CN 204084301U CN 201420530528 U CN201420530528 U CN 201420530528U CN 204084301 U CN204084301 U CN 204084301U
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Abstract
The utility model relates to chain furnace hot-water boiler afterbody waste heat boiler and drives heat transfer energy conserving system.Afterbody waste heat boiler, by setting up and the new back-end ductwork of parallel connection parallel with former back-end ductwork on rear side of former back-end ductwork, is provided with evaporimeter in new back-end ductwork, just arranges new economizer under the vaporizers, bottom new back-end ductwork, is provided with ash bucket; New back-end ductwork top is communicated with by upper flue with former back-end ductwork top, and new back-end ductwork bottom is communicated with by lower flue with former back-end ductwork bottom; Be provided with the first gas baffle adjustment doors below former economizer in former back-end ductwork, in lower flue, be provided with the second gas baffle adjustment doors; The superheater arranged in furnace outlet flue on front side of chain furnace hot-water boiler is connected with drum, and drum is connected with former economizer and new economizer.The steam supply industrial steam turbine driving heat transfer energy conserving system Appropriate application afterbody waste heat boiler to produce, with industrial Steam Turbine Driven water circulating pump and forced-and-induced draft fan, has obvious economic benefit.
Description
Technical field
The utility model relates to a kind of hot-water boiler afterbody waste heat boiler and application thereof, specifically a kind of chain furnace hot-water boiler afterbody waste heat boiler and driving heat transfer energy conserving system.
Background technology
In China's chain furnace hot-water boiler, the water circulating pump of boiler configuration and forced-and-induced draft fan adopt motor to drive, and electrical power is high, and power consumption is large.In addition, the heat energy recycle rate of existing chain furnace hot-water boiler afterbody waste heat boiler is not high, there is serious thermal waste situation, therefore, how to reduce the motor power consumption of water circulating pump and forced-and-induced draft fan, and improve the heat energy recycle rate of afterbody waste heat boiler, be significant to energy-saving and cost-reducing.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, and provide a kind of chain furnace hot-water boiler afterbody waste heat boiler and drive heat transfer energy conserving system, described afterbody waste heat boiler structure is rationally ingenious, and heat energy recycle rate improves greatly; The steam supply industrial steam turbine that the described above-mentioned afterbody waste heat boiler of driving heat transfer energy conserving system Appropriate application produces, industrial steam turbine is adopted to replace motor to drive water circulating pump and forced-and-induced draft fan, not only significantly can reduce the overall electrisity consumption of heating plant, and the Back-pressure steam that industrial steam turbine is discharged all for heat supply, can have obvious economic benefit.
Technical scheme according to the utility model provides: chain furnace hot-water boiler afterbody waste heat boiler, comprises the former back-end ductwork be arranged on rear side of chain furnace hot-water boiler, is provided with former economizer, is provided with air preheater below former economizer in described former back-end ductwork; It is characterized in that: on rear side of described former back-end ductwork, set up a new back-end ductwork, this new back-end ductwork is parallel with former back-end ductwork and in parallel, the evaporimeter that at least one is arranged in turn along its trend is provided with in new back-end ductwork, side is provided with new economizer under the vaporizers, bottom new back-end ductwork, be provided with ash bucket; Described new back-end ductwork top is communicated with by upper flue with former back-end ductwork top, new back-end ductwork bottom is communicated with by lower flue with former back-end ductwork bottom, flue gas flow to new back-end ductwork by former back-end ductwork through upper flue, flow to the space between former economizer in former back-end ductwork and air preheater after flowing through evaporimeter, new economizer successively from upper flue; Be provided with the first gas baffle adjustment doors below former economizer in described former back-end ductwork, in described lower flue, be provided with the second gas baffle adjustment doors; Superheater is arranged in furnace outlet flue on front side of described chain furnace hot-water boiler, described superheater is connected with drum, for receiving steam that drum transports and steam being heated to specified overtemperature from saturation temperature, described drum is connected with former economizer and new economizer, for receiving the water of former economizer and new economizer, carrying out carbonated drink separation and supplying water to closed circuit.
As further improvement of the utility model, in described new back-end ductwork, be provided with three evaporimeters arranged in turn along its trend.
As further improvement of the utility model, described drum is arranged on the top of new back-end ductwork.
Drive heat transfer energy conserving system, it is characterized in that: comprise above-mentioned chain furnace hot-water boiler afterbody waste heat boiler, industrial steam turbine and heat exchanger, the described chain furnace hot-water boiler superheater of afterbody waste heat boiler is connected with industrial steam turbine by jet chimney, superheated steam in superheater drives industrial steam turbine, and industrial steam turbine drives water circulating pump and forced-and-induced draft fan again; Described heat exchanger is connected with industrial steam turbine, and the steam finishing merit in industrial steam turbine is discharged in heat exchanger, and the latent heat of vaporization is replaced as hot water heating.
the utility model compared with prior art, has the following advantages:
1, afterbody waste heat boiler structure of the present utility model is rationally ingenious, by setting up a new back-end ductwork on rear side of former chain furnace hot-water boiler, evaporimeter and new economizer is arranged in this new back-end ductwork, and superheater is arranged in the furnace outlet flue of former chain furnace hot-water boiler, produce superheated steam to meet the requirement of industrial steam turbine vapour for the steam that receives in drum, heat energy recycle rate improves greatly.
2, the steam supply industrial steam turbine driving heat transfer energy conserving system Appropriate application afterbody waste heat boiler to produce of the present utility model, industrial steam turbine is adopted to replace motor to drive blower and water pump, not only significantly can reduce the overall electrisity consumption of heating plant, and the Back-pressure steam that industrial steam turbine is discharged all for heat supply, can have obvious economic benefit.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model chain furnace hot-water boiler afterbody waste heat boiler.
Fig. 2 is the principle schematic that the utility model drives heat transfer energy conserving system.
Detailed description of the invention
Below in conjunction with concrete drawings and Examples, the utility model is described in further detail.
As shown in the figure: the chain furnace hot-water boiler afterbody waste heat boiler in embodiment is primarily of the composition such as furnace outlet flue 1, superheater 2, chain furnace hot-water boiler 3, former back-end ductwork 4, former economizer 5, upper flue 6, drum 7, new back-end ductwork 8, evaporimeter 9, new economizer 10, ash bucket 11, second gas baffle adjustment doors 12, lower flue 13, air preheater 14 and the first gas baffle adjustment doors 15.
As shown in Figure 1, described former back-end ductwork 4 is arranged on rear side of chain furnace hot-water boiler 3, is provided with former economizer 5 in former back-end ductwork 4, is provided with air preheater 14 below former economizer 5.A new back-end ductwork 8 is set up on rear side of described former back-end ductwork 4, this new back-end ductwork 8 is parallel and in parallel with former back-end ductwork 4, three evaporimeters 9 arranged in turn along its trend are provided with in new back-end ductwork 8, below evaporimeter 9, be provided with new economizer 10, bottom new back-end ductwork 8, be provided with ash bucket 11.
As shown in Figure 1, described new back-end ductwork 8 top is communicated with by upper flue 6 with former back-end ductwork 4 top, new back-end ductwork 8 bottom is communicated with by lower flue 13 with former back-end ductwork 4 bottom, flue gas flow to new back-end ductwork 8 by former back-end ductwork 4 through upper flue 6, flow to the space between former economizer 5 in former back-end ductwork 4 and air preheater 14 after flowing through evaporimeter 9, new economizer 10 successively from upper flue 6.
As shown in Figure 1, below former economizer 5 in described former back-end ductwork 4, (i.e. exhaust-heat boiler flue gas import department) is provided with the first gas baffle adjustment doors 15, in described lower flue 13, (i.e. exhaust-heat boiler flue gas exit) is provided with the second gas baffle adjustment doors 12, first gas baffle adjustment doors 15 and the second gas baffle adjustment doors 12 for controlling the exhaust gas volumn entering waste heat boiler, steam regulation output and vapor (steam) temperature.
As shown in Figure 1, superheater 2 is arranged in furnace outlet flue 1 on front side of described chain furnace hot-water boiler 3, described superheater 2 is connected with drum 7, described drum 7 is arranged on the top of new back-end ductwork 8, for receiving steam that drum 7 transports and steam being heated to specified overtemperature from saturation temperature, described drum 7 is connected with former economizer 5 and new economizer 10, for receiving the water of former economizer 5 and new economizer 10, carrying out carbonated drink separation and supplying water to closed circuit.
As shown in Figure 2, driving heat transfer energy conserving system in embodiment forms primarily of above-mentioned chain furnace hot-water boiler afterbody waste heat boiler, industrial steam turbine 16 and heat exchanger 17, the described chain furnace hot-water boiler superheater 2 of afterbody waste heat boiler is connected with industrial steam turbine 16 by jet chimney, after superheated steam in superheater 2 drives industrial steam turbine 16(superheated steam to flow through steam turbine, pressure and temperature all will reduce, produce expansion working, exported by industrial steam turbine 16 axle head), industrial steam turbine 16 drives water circulating pump and forced-and-induced draft fan again; Described heat exchanger 17 is connected with industrial steam turbine 16, and the steam finishing merit in industrial steam turbine 16 is discharged in heat exchanger 17, and the latent heat of vaporization is replaced as hot water heating.
The utility model changes the high-power water circulating pump of boiler configuration in heating plant and forced-and-induced draft fan into employing steam drive by motor driving, namely motor is replaced to drive water circulating pump and forced-and-induced draft fan with industrial steam turbine 16, this technology not only significantly can reduce the overall electrisity consumption of heating plant, and the steam that industrial steam turbine 16 is discharged can all be discharged in heat exchanger 17, the latent heat of vaporization is replaced as hot water heating, therefore, this technology has obvious economic benefit.
Claims (4)
1. chain furnace hot-water boiler afterbody waste heat boiler, comprise the former back-end ductwork (4) being arranged on chain furnace hot-water boiler (3) rear side, be provided with former economizer (5) in described former back-end ductwork (4), former economizer (5) below is provided with air preheater (14); It is characterized in that: described former back-end ductwork (4) rear side sets up a new back-end ductwork (8), this new back-end ductwork (8) is parallel and in parallel with former back-end ductwork (4), the evaporimeter (9) that at least one is arranged in turn along its trend is provided with in new back-end ductwork (8), evaporimeter (9) below is provided with new economizer (10), is provided with ash bucket (11) in new back-end ductwork (8) bottom; Described new back-end ductwork (8) top is communicated with by upper flue (6) with former back-end ductwork (4) top, new back-end ductwork (8) bottom is communicated with by lower flue (13) with former back-end ductwork (4) bottom, flue gas flow to new back-end ductwork (8) by former back-end ductwork (4) through upper flue (6), flow to the space between former economizer (5) in former back-end ductwork (4) and air preheater (14) after flowing through evaporimeter (9), new economizer (10) successively from upper flue (6); Former economizer (5) below in described former back-end ductwork (4) is provided with the first gas baffle adjustment doors (15), is provided with the second gas baffle adjustment doors (12) in described lower flue (13); Superheater (2) is arranged in the furnace outlet flue (1) of described chain furnace hot-water boiler (3) front side, described superheater (2) is connected with drum (7), for receiving steam that drum (7) transports and steam being heated to specified overtemperature from saturation temperature, described drum (7) is connected with former economizer (5) and new economizer (10), for receiving the water of former economizer (5) and new economizer (10), carrying out carbonated drink separation and supplying water to closed circuit.
2. chain furnace hot-water boiler afterbody waste heat boiler as claimed in claim 1, is characterized in that: be provided with three evaporimeters (9) arranged in turn along its trend in described new back-end ductwork (8).
3. chain furnace hot-water boiler afterbody waste heat boiler as claimed in claim 1, is characterized in that: described drum (7) is arranged on the top of new back-end ductwork (8).
4. drive heat transfer energy conserving system, it is characterized in that: comprise above-mentioned chain furnace hot-water boiler afterbody waste heat boiler, industrial steam turbine (16) and heat exchanger (17), the described chain furnace hot-water boiler superheater (2) of afterbody waste heat boiler is connected with industrial steam turbine (16) by jet chimney, superheated steam in superheater (2) drives industrial steam turbine (16), and industrial steam turbine (16) drives water circulating pump and forced-and-induced draft fan again; Described heat exchanger (17) is connected with industrial steam turbine (16), and the steam finishing merit in industrial steam turbine (16) is discharged in heat exchanger (17), and the latent heat of vaporization is replaced as hot water heating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420530528.5U CN204084301U (en) | 2014-09-15 | 2014-09-15 | Chain furnace hot-water boiler is with afterbody waste heat boiler and drive heat transfer energy conserving system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420530528.5U CN204084301U (en) | 2014-09-15 | 2014-09-15 | Chain furnace hot-water boiler is with afterbody waste heat boiler and drive heat transfer energy conserving system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204084301U true CN204084301U (en) | 2015-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420530528.5U Active CN204084301U (en) | 2014-09-15 | 2014-09-15 | Chain furnace hot-water boiler is with afterbody waste heat boiler and drive heat transfer energy conserving system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204084301U (en) |
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2014
- 2014-09-15 CN CN201420530528.5U patent/CN204084301U/en active Active
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