CN210718086U - System for improving boiler thermal efficiency - Google Patents

System for improving boiler thermal efficiency Download PDF

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Publication number
CN210718086U
CN210718086U CN201921529661.8U CN201921529661U CN210718086U CN 210718086 U CN210718086 U CN 210718086U CN 201921529661 U CN201921529661 U CN 201921529661U CN 210718086 U CN210718086 U CN 210718086U
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CN
China
Prior art keywords
pipe
heat carrier
oil
organic heat
thermal efficiency
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Active
Application number
CN201921529661.8U
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Chinese (zh)
Inventor
周定山
祝新生
潘世鹏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzhou Aode high end equipment Co.,Ltd.
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Suzhou Aode Machinery Co ltd
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Priority to CN201921529661.8U priority Critical patent/CN210718086U/en
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Publication of CN210718086U publication Critical patent/CN210718086U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00Combustion technologies with mitigation potential
    • Y02E20/34Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery

Abstract

The utility model discloses an improve system of boiler thermal efficiency, including equipment pipeline, return oil pipe way and oil storage tank, the equipment pipeline is connected with sample jar, air heater, organic heat carrier stove, waste heat organic heat carrier stove, organic heat carrier stove flue gas pipeline and switch board in proper order, and return oil pipe way is connected with oil and gas separator, expansion tank, benefit oil pipe, overflow pipe, blow off pipe, expansion pipe and blast pipe in proper order. The utility model has the advantages that: the utility model provides a system for improving boiler thermal efficiency can improve the oil return temperature under the condition that does not increase fuel cost, and the reduction temperature is poor, promotes the thermal efficiency, has reduced the temperature that the exhanst gas outlet was discharged fume simultaneously, and energy saving and emission reduction effect is obvious.

Description

System for improving boiler thermal efficiency
Technical Field
The utility model relates to an organic heat carrier furnace technical field specifically is a system for improve boiler thermal efficiency.
Background
The organic heat carrier furnace is widely used in the production of industries such as petrifaction, spinning, printing and dyeing, plastics, rubber and the like. The method for improving the thermal efficiency of the boiler in the prior industry mainly comprises the scheme of using an FGR low-nitrogen combustor, an air preheater and the like, wherein a certain amount of fuel needs to be added at irregular time in the prior scheme, the temperature difference is large, and the temperature of a flue gas outlet is high.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an improve boiler thermal efficiency's system to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a system for improving the thermal efficiency of a boiler comprises an equipment pipeline, an oil return pipeline and an oil storage tank, wherein the equipment pipeline is sequentially connected with a sampling tank and an air preheater, the air preheater is respectively connected with an organic heat carrier furnace and a waste heat organic heat carrier furnace, the waste heat organic heat carrier furnace is connected with a flue gas pipeline of the organic heat carrier furnace, and the organic heat carrier furnace is provided with a control cabinet;
the oil return pipeline is sequentially connected with the oil-gas separator and the expansion tank, the expansion tank is respectively provided with an oil supplementing pipe, an overflow pipe, a blow-off pipe, an expansion pipe and an exhaust pipe, the expansion tank is connected with the oil storage tank through the overflow pipe, two ends of the blow-off pipe are respectively connected with the expansion tank and the overflow pipe, the expansion pipe is connected with the oil-gas separator, and the exhaust pipe is connected with the equipment pipeline.
Preferably, the other end of the oil supplementing pipe, which is far away from the expansion tank, is connected with an external oil supplementing tank, and a safety valve is arranged at a pipeline opening.
Preferably, the other end of the overflow pipe, which is far away from the expansion tank, is provided with a safety valve.
Preferably, the sampling tank and the air preheater are provided with flow meters on the equipment pipeline.
Preferably, the two ends of the smoke pipeline of the organic heat carrier furnace are respectively connected with the residual heat organic heat carrier furnace and the organic heat carrier furnace, and a butterfly valve is arranged on one side, close to the organic heat carrier furnace, of the smoke pipeline of the organic heat carrier furnace.
Preferably, the sampling tank is connected with a safety valve, and the safety valve is connected with a sampling bottle.
Advantageous effects
The utility model provides a system for improving boiler thermal efficiency can improve the oil return temperature under the condition that does not increase fuel cost, and the reduction temperature is poor, promotes the thermal efficiency, has reduced the temperature that the exhanst gas outlet was discharged fume simultaneously, and energy saving and emission reduction effect is obvious.
Drawings
Fig. 1 is a schematic plan view of the present invention.
Reference numerals
1-equipment pipeline, 2-oil return pipeline, 3-oil storage tank, 4-oil supply pipe, 5-overflow pipe, 6-expansion tank, 7-blow-off pipe, 8-expansion pipe, 9-exhaust pipe, 10-air preheater, 11-sampling tank, 12-organic heat carrier furnace, 13-control cabinet, 14-waste heat organic heat carrier furnace, 15-organic heat carrier furnace flue gas pipeline and 16-oil-gas separator.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
Examples
As shown in fig. 1, a system for improving the thermal efficiency of a boiler comprises an equipment pipeline 1, an oil return pipeline 2 and an oil storage tank 3, wherein the equipment pipeline 1 is sequentially connected with a sampling tank 11 and an air preheater 10, the air preheater 10 is respectively connected with an organic heat carrier furnace 12 and a waste heat organic heat carrier furnace 14, the waste heat organic heat carrier furnace 14 is connected with an organic heat carrier furnace flue gas pipeline 15, and the organic heat carrier furnace 12 is provided with a control cabinet 13;
the oil return pipeline 2 is sequentially connected with an oil-gas separator 16 and an expansion tank 6, the expansion tank 6 is respectively provided with an oil supplementing pipe 4, an overflow pipe 5, a blow-off pipe 7, an expansion pipe 8 and an exhaust pipe 9, the expansion tank 6 is connected with the oil storage tank 3 through the overflow pipe 5, two ends of the blow-off pipe 7 are respectively connected with the expansion tank 6 and the overflow pipe 5, the expansion pipe 8 is connected with the oil-gas separator 16, and the exhaust pipe 9 is connected with the equipment pipeline 1.
Preferably, the other end of the oil supplementing pipe 4, which is far away from the expansion tank 6, is connected with an external oil supplementing tank, and a safety valve is arranged at a pipeline port.
Preferably, the other end of the overflow pipe 5 away from the expansion tank 6 is provided with a safety valve.
Preferably, the sampling tank 11 and the air preheater 10 are also provided with flow meters on the equipment pipeline 1.
Preferably, two ends of the organic heat carrier furnace flue gas pipeline 15 are respectively connected with the residual heat organic heat carrier furnace 14 and the organic heat carrier furnace 12, and a butterfly valve is arranged on one side, close to the organic heat carrier furnace 12, of the organic heat carrier furnace flue gas pipeline 15.
Preferably, the sampling tank 11 is connected to a safety valve, which is connected to a sampling bottle.
1. Hot oil: after the heat conduction oil returns from the equipment, the low-temperature oil is conveyed into the waste heat organic heat carrier furnace by the circulating pump through the oil-gas separator, the low-temperature oil is heated by the flue gas through the waste heat organic heat carrier furnace, the return oil temperature is increased after the low-temperature oil is heated and comes out of the waste heat organic heat carrier furnace, and then the return oil temperature enters the organic heat carrier furnace, so that the return oil temperature is increased, the temperature difference between the inlet oil and the outlet oil is reduced, and the heat.
2. Flue gas: the high-temperature flue gas coming out of the organic heat carrier furnace is directly connected into the waste heat organic heat carrier furnace through a flue, the high-temperature flue gas scours a coil pipe of the waste heat furnace to heat and improve the oil return temperature, and then the high-temperature flue gas comes out of the waste heat organic heat carrier furnace and enters an air preheater to heat cold air for supplying hot air to the FGR combustor. Therefore, the temperature of the flue gas outlet is reduced, the oil return temperature is increased, and the overall energy-saving and emission-reducing effects are stronger.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the content of the present invention within the protection scope of the present invention.

Claims (6)

1. The utility model provides a system for improve boiler thermal efficiency, includes equipment pipeline (1), returns oil pipe way (2) and oil storage tank (3), its characterized in that: the device pipeline (1) is sequentially connected with a sampling tank (11) and an air preheater (10), the air preheater (10) is respectively connected with an organic heat carrier furnace (12) and a waste heat organic heat carrier furnace (14), the waste heat organic heat carrier furnace (14) is connected with an organic heat carrier furnace flue gas pipeline (15), and the organic heat carrier furnace (12) is provided with a control cabinet (13);
oil return pipeline (2) are connected with oil and gas separator (16), expansion tank (6) in proper order, expansion tank (6) are equipped with respectively and mend oil pipe (4), overflow pipe (5), blow off pipe (7), expansion pipe (8) and blast pipe (9), expansion tank (6) through overflow pipe (5) with oil storage tank (3) are connected, blow off pipe (7) both ends respectively with expansion tank (6), overflow pipe (5) are connected, expansion pipe (8) with oil and gas separator (16) are connected, blast pipe (9) with equipment pipeline (1) is connected.
2. The system for improving the thermal efficiency of a boiler according to claim 1, wherein: the other end of the oil supplementing pipe (4) far away from the expansion tank (6) is connected with an external oil supplementing tank, and a safety valve is arranged at a pipeline opening.
3. The system for improving the thermal efficiency of a boiler according to claim 1, wherein: and a safety valve is arranged at the other end of the overflow pipe (5) far away from the expansion tank (6).
4. The system for improving the thermal efficiency of a boiler according to claim 1, wherein: the sampling tank (11) and the air preheater (10) are also provided with a flowmeter on the equipment pipeline (1).
5. The system for improving the thermal efficiency of a boiler according to claim 1, wherein: organic heat carrier stove flue gas pipeline (15) both ends respectively with waste heat organic heat carrier stove (14), organic heat carrier stove (12) are connected, organic heat carrier stove flue gas pipeline (15) are close to one side of organic heat carrier stove (12) is equipped with the butterfly valve.
6. The system for improving the thermal efficiency of a boiler according to claim 1, wherein: the sampling tank (11) is connected with a safety valve, and the safety valve is connected with a sampling bottle.
CN201921529661.8U 2019-09-16 2019-09-16 System for improving boiler thermal efficiency Active CN210718086U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921529661.8U CN210718086U (en) 2019-09-16 2019-09-16 System for improving boiler thermal efficiency

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921529661.8U CN210718086U (en) 2019-09-16 2019-09-16 System for improving boiler thermal efficiency

Publications (1)

Publication Number Publication Date
CN210718086U true CN210718086U (en) 2020-06-09

Family

ID=70926483

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921529661.8U Active CN210718086U (en) 2019-09-16 2019-09-16 System for improving boiler thermal efficiency

Country Status (1)

Country Link
CN (1) CN210718086U (en)

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GR01 Patent grant
GR01 Patent grant
CP01 Change in the name or title of a patent holder

Address after: Room 3 and 4, 228 Wulian Road, Yushan Town, Kunshan City, Suzhou City, Jiangsu Province

Patentee after: Suzhou Aode high end equipment Co.,Ltd.

Address before: Room 3 and 4, 228 Wulian Road, Yushan Town, Kunshan City, Suzhou City, Jiangsu Province

Patentee before: SUZHOU AODE MACHINERY Co.,Ltd.

CP01 Change in the name or title of a patent holder