CN205191618U - Waste heat utilization system of boiler blow -off - Google Patents
Waste heat utilization system of boiler blow -off Download PDFInfo
- Publication number
- CN205191618U CN205191618U CN201520965870.2U CN201520965870U CN205191618U CN 205191618 U CN205191618 U CN 205191618U CN 201520965870 U CN201520965870 U CN 201520965870U CN 205191618 U CN205191618 U CN 205191618U
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- China
- Prior art keywords
- pipe
- boiler
- heat exchanger
- blow
- heat
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- Expired - Fee Related
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
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- Steam Or Hot-Water Central Heating Systems (AREA)
Abstract
The utility model provides a waste heat utilization system of boiler blow -off which boiler continuous blowdown pipe and periodical blowdown pipe respectively behind first governing valve, second governing valve with total sewage pipe connection, temperature control knob installs on total blow off pipe, final connection to blowdown pond is connected in proper order to total blow off pipe with first heat exchanger, first three -way valve, second heat exchanger, second three -way valve and third heat exchanger, boiler water replenishing pipe is last to be installed boiler moisturizing pump and is connected with first heat exchanger, is connected with the boiler behind the third governing valve, control room heater is connected with the second heat exchanger through delivery pipe and wet return, installs the heating circulating pump on the delivery pipe, installs the fourth governing valve on the wet return, the beneficial effects of the utility model are that: heat when utilizing the boiler blow -off carries out cascade utilization, is used for the preboiler moisturizing respectively, proposes the heating of supply control room and preheats combustion chamber air breathing, has improved the utilization ratio of the energy, has effectively reduced the environmental pollution problem that the boiler blow -off high -temperature water brought.
Description
Technical field
The utility model relates to a kind of boiler afterheat field of energy-saving technology, espespecially a kind of bootstrap system of boiler blow-off.
Background technology
Boiler in occupation of important position, is powering device indispensable in central heating industry in heating industry.As one of most important power resources such as industrial, civilian, every day, boiler also consumed a large amount of primary energy.
The technical staff of current HVAC industry carries out multiple scientific research and trial in the efficiency for improving boiler, main direction of studying is improve the efficiency of combustion of boiler-burner, research various ways utilizes sensible heat in boiler exhaust gas and latent heat, and achieves lot of research under study for action.
But the Land use systems research being discharged the heat slatterned in boiler blowdown water is less, boiler blow-off moisture continuous blowdown and periodical blowdown two kinds of modes, any one blowdown mode all can slattern amount of heat, simultaneously, can adopt the higher high-temp submersible pump of cost, build the facilities such as blowdown cooling tank and be used for processing high temperature sewer, processing cost is higher.
Therefore, the utility model has carried out innovation research based on the UTILIZATION OF VESIDUAL HEAT IN mode for boiler blowdown water.
Utility model content
The purpose of this utility model is to provide a kind of bootstrap system of boiler blow-off, it achieves the exhaust heat stepped utilization of continuous blowdown system of boiler water, periodical blowdown water, meets multiple heat demand, add the efficiency of energy utilization of boiler.
The technical solution of the utility model is as follows:
A bootstrap system for boiler blow-off, is characterized in that:
It comprises steam generator system: boiler (1), continuous blowdown pipe (3), periodical blowdown pipe (4), boiler replenishing water pipe (2), air intake duct (12);
Heat-exchange system: First Heat Exchanger (6), the second heat exchanger (7), the 3rd heat exchanger (11);
Heating system: control room heat collector (10), heating feed pipe (8), heating return pipe (9);
It also comprises temperature control burtons (5), pollution discharge pond (13), air-introduced machine (12-2);
Continuous blowdown pipe (3) and the periodical blowdown pipe (4) of boiler (1) are connected to total blow-off pipe (16), first control valve (3-1) is arranged on continuous blowdown pipe (3), second control valve (4-1) is arranged on periodical blowdown pipe, and temperature control burtons (5) is arranged on total blow-off pipe (16); Total blow-off pipe (16) is connected with pollution discharge pond (13) successively after First Heat Exchanger (6), the second heat exchanger (7) and the 3rd heat exchanger (11); Boiler replenishing water pipe (2) is connected with First Heat Exchanger (6) through boiler replenishing water pump (2-2), and three control valve (2-1) of total blow-off pipe (16) through boiler replenishing water pipe (2) after heat exchange in First Heat Exchanger (6) is connected with boiler (1);
Described control room heat collector (10) is connected with the second heat exchanger (7) through heating feed pipe (8) and heating circulating pump (8-1), is connected after heat exchange by heat supply return pipe (9) through the 4th control valve (9-1) with control room heat collector (10);
Described air-introduced machine (12-2) is connected with air intake duct (12), and air intake duct (12) is connected with boiler (1) through air inlet valve (12-1) after being connected with the 3rd heat exchanger (11).
Wherein, total blow-off pipe (16) is provided with temperature control burtons (5), temperature control burtons (5) is connected with boiler replenishing water pump (2-2), heating circulating pump (8-1), controls its start and stop.
Wherein, the total blow-off pipe (16) between First Heat Exchanger (6) and the second heat exchanger (7) is provided with by-passing valve first triple valve (14); Total blow-off pipe (16) between the second heat exchanger (7) and the 3rd heat exchanger (11) is provided with by-passing valve second triple valve (15).
The beneficial effects of the utility model are: this bootstrap system is recycled the heat novelty of the high-temperature water be discharged in boiler blowdown water by the mode of cascade utilization, by First Heat Exchanger (6), the moisturizing temperature increase of boiler have been saved the primary energy of heating required for moisturizing; By the second heat exchanger (7) with sewer heating from the backwater of control room heat collector (10), meet the heating demand in control room, saved the investment of primary energy needed for the heating of control room; By the 3rd heat exchanger (11), the air entering boiler furnace is carried out preheating, the efficiency of combustion of boiler-burner can be improved, thus fuel saving.Meanwhile, make use of the heat in sewer due to native system, sewer can directly pass through pollution discharge pond (13) and discharge, and reduces the requirement to pumping equipment, decreases and pollute the high temperature of environment.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present utility model.
Drawing reference numeral: wherein 1, boiler, 2, boiler replenishing water pipe, 2-1, 3rd control valve, 2-2, boiler replenishing water pump, 3, continuous blowdown pipe, 3-1, first control valve, 4, periodical blowdown pipe, 4-1, second control valve, 5, temperature control burtons, 6, First Heat Exchanger, 7, second heat exchanger, 8, heating feed pipe, 8-1, heating circulating pump, 9, heat supply return pipe, 9-1, 4th control valve, 10, control room heat collector, 11, 3rd heat exchanger, 12, air intake duct, 12-1, air inlet valve, 12-2, air-introduced machine, 13, pollution discharge pond, 14, first triple valve, 15, second triple valve, 16, total blow-off pipe.
Detailed description of the invention
Below in conjunction with boiler blow-off UTILIZATION OF VESIDUAL HEAT IN schematic diagram and embodiment, detailed description of the invention of the present utility model is described.
See Fig. 1: a kind of bootstrap system of boiler blow-off, it comprises steam generator system: boiler 1, continuous blowdown pipe 3, periodical blowdown pipe 4, boiler replenishing water pipe 2, air intake duct 12;
Heat-exchange system: First Heat Exchanger 6, second heat exchanger 7, the 3rd heat exchanger 11;
Heating system: control room heat collector 10, heating feed pipe 8, heating return pipe 9;
It also comprises temperature control burtons 5, pollution discharge pond 13, air-introduced machine 12-2;
Continuous blowdown pipe 3 and the periodical blowdown pipe 4 of boiler 1 are connected to total blow-off pipe 16, first control valve 3-1 and are arranged on continuous blowdown pipe 3, and the second control valve 4-1 is arranged on periodical blowdown pipe, and temperature control burtons 5 is arranged on total blow-off pipe 16; Total blow-off pipe 16 is connected with pollution discharge pond 13 successively after First Heat Exchanger 6, second heat exchanger 7 and the 3rd heat exchanger 11; Boiler replenishing water pipe 2 is connected with First Heat Exchanger 6 through boiler replenishing water pump 2-2, and the three control valve 2-1 of total blow-off pipe 16 through boiler replenishing water pipe 2 after heat exchange in First Heat Exchanger 6 is connected with boiler 1;
Described control room heat collector 10 is connected with the second heat exchanger 7 through heating feed pipe 8 and heating circulating pump 8-1, is connected after heat exchange by heat supply return pipe 9 through the 4th control valve 9-1 with control room heat collector 10;
Described air-introduced machine 12-2 is connected with air intake duct 12, is connected after air intake duct 12 is connected with the 3rd heat exchanger 11 through air inlet valve 12-1 with boiler 1.
Wherein, total blow-off pipe 16 is provided with temperature control burtons 5, temperature control burtons 5 is connected with boiler replenishing water pump 2-2, heating circulating pump 8-1, controls its start and stop;
Wherein, the total blow-off pipe 16 between First Heat Exchanger 6 and the second heat exchanger 7 is provided with by-passing valve first triple valve 14; The total blow-off pipe 16 of the second heat exchanger 7 between the second heat exchanger 7 and the 3rd heat exchanger 11 is provided with by-passing valve second triple valve 15;
As shown in Figure 1, the present embodiment is in boiler normal course of operation, when boiler 1 continuous or periodic blowdown, first control valve 3-1 or the second control valve 4-1 opens, high temperature sewer enters First Heat Exchanger 6 through blow-off pipe, by with boiler replenishing water heat exchange system water supplement, boiler replenishing water enters boiler by boiler replenishing water pipe 2;
As shown in Figure 1, the secondary high temperature sewer after heating moisturizing enters the second heat exchanger 7 through total blow-off pipe 16, carries out heat exchange, be delivered to control room heat collector 10 realize heating control room after heating water is heated by heating circulating pump 8-1 with heating system;
As shown in Figure 1, the middle temperature sewer after heating water enters the 3rd heat exchanger 11 through total blow-off pipe, promotes air themperature by carrying out heat exchange with the air in air intake duct 12, thus improves the efficiency of combustion of boiler-burner;
As shown in Figure 1, after the cascade utilization of three waste heats, sewer temperature reduces, and directly can be discharged, decrease and pollute the high temperature of environment, improve the efficiency of energy utilization of boiler by pollution discharge pond.
By reference to the accompanying drawings the preferred detailed description of the invention of the utility model and embodiment are explained in detail above, but the utility model is not existing in the above-described embodiment and examples, in the ken that those skilled in the art possess, can also make a variety of changes under the prerequisite not departing from design of the present utility model.
Claims (3)
1. a bootstrap system for boiler blow-off, is characterized in that:
It comprises steam generator system: boiler (1), continuous blowdown pipe (3), periodical blowdown pipe (4), boiler replenishing water pipe (2), air intake duct (12);
Heat-exchange system: First Heat Exchanger (6), the second heat exchanger (7), the 3rd heat exchanger (11);
Heating system: control room heat collector (10), heating feed pipe (8), heating return pipe (9);
It also comprises temperature control burtons (5), pollution discharge pond (13), air-introduced machine (12-2);
Continuous blowdown pipe (3) and the periodical blowdown pipe (4) of boiler (1) are connected to total blow-off pipe (16), first control valve (3-1) is arranged on continuous blowdown pipe (3), second control valve (4-1) is arranged on periodical blowdown pipe, and temperature control burtons (5) is arranged on total blow-off pipe (16); Total blow-off pipe (16) is connected with pollution discharge pond (13) successively after First Heat Exchanger (6), the second heat exchanger (7) and the 3rd heat exchanger (11); Boiler replenishing water pipe (2) is connected with First Heat Exchanger (6) through boiler replenishing water pump (2-2), and three control valve (2-1) of total blow-off pipe (16) through boiler replenishing water pipe (2) after heat exchange in First Heat Exchanger (6) is connected with boiler (1);
Described control room heat collector (10) is connected with the second heat exchanger (7) through heating feed pipe (8) and heating circulating pump (8-1), is connected after heat exchange by heat supply return pipe (9) through the 4th control valve (9-1) with control room heat collector (10);
Described air-introduced machine (12-2) is connected with air intake duct (12), and air intake duct (12) is connected with boiler (1) through air inlet valve (12-1) after being connected with the 3rd heat exchanger (11).
2. the bootstrap system of a kind of boiler blow-off as claimed in claim 1, it is characterized in that, total blow-off pipe (16) is provided with temperature control burtons (5), temperature control burtons (5) is connected with boiler replenishing water pump (2-2), heating circulating pump (8-1), controls its start and stop.
3. the bootstrap system of a kind of boiler blow-off as claimed in claim 1, it is characterized in that, the total blow-off pipe (16) between First Heat Exchanger (6) and the second heat exchanger (7) is provided with by-passing valve first triple valve (14); Total blow-off pipe (16) between the second heat exchanger (7) and the 3rd heat exchanger (11) is provided with by-passing valve second triple valve (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520965870.2U CN205191618U (en) | 2015-11-27 | 2015-11-27 | Waste heat utilization system of boiler blow -off |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520965870.2U CN205191618U (en) | 2015-11-27 | 2015-11-27 | Waste heat utilization system of boiler blow -off |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205191618U true CN205191618U (en) | 2016-04-27 |
Family
ID=55784601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520965870.2U Expired - Fee Related CN205191618U (en) | 2015-11-27 | 2015-11-27 | Waste heat utilization system of boiler blow -off |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205191618U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106678769A (en) * | 2017-02-22 | 2017-05-17 | 查都（上海）科技有限公司 | Waste heat recycling system in power station |
| CN109915808A (en) * | 2019-04-26 | 2019-06-21 | 宁波金名片能源科技有限公司 | A kind of steam generator changes water installations |
-
2015
- 2015-11-27 CN CN201520965870.2U patent/CN205191618U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106678769A (en) * | 2017-02-22 | 2017-05-17 | 查都（上海）科技有限公司 | Waste heat recycling system in power station |
| CN109915808A (en) * | 2019-04-26 | 2019-06-21 | 宁波金名片能源科技有限公司 | A kind of steam generator changes water installations |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160427 Termination date: 20201127 |