CN202082911U - Thermal property testing system of steam boiler - Google Patents
Thermal property testing system of steam boiler Download PDFInfo
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- CN202082911U CN202082911U CN2011201625187U CN201120162518U CN202082911U CN 202082911 U CN202082911 U CN 202082911U CN 2011201625187 U CN2011201625187 U CN 2011201625187U CN 201120162518 U CN201120162518 U CN 201120162518U CN 202082911 U CN202082911 U CN 202082911U
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- steam boiler
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- thermal property
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Abstract
The utility model provides a thermal property testing system of a steam boiler, which belongs to the field of thermal engineering. The system comprises a boiler to be tested; a frequency converting water pump and a water feeding flow meter are connected on a water feeding pipeline of the steam boiler through flanges; a temperature sensor and a pressure meter are installed on a reserved connector of the water feeding pipeline; a gas flow meter is linked with a burner through a gas pipeline; a steam flow meter and a steam adjusting valve are connected with a steam pipeline of the steam boiler through flanges; a pressure transmitter steam temperature meter is installed on a reserved internal thread head of the steam pipeline of the steam boiler; and a fume exhausting thermal resistor is directly installed on the steam boiler. The system can conveniently and quickly test the thermal property and the thermal efficiency of the steam boiler to be tested.
Description
Technical field
The utility model relates to a kind of boiler thermal technology Performance Test System, and particularly a kind of steam boiler thermal property test macro belongs to the thermal power field of engineering technology.
Background technology
In boiler manufacturing enterprise, after a large amount of steam boiler processing and manufacturings finishes, before the boiler sale is dispatched from the factory, all to carry out the test of steam boiler thermal property.Steam boiler thermal testing method in the past is as follows: 1, Ce Shi preparation generally need be installed instrument, valve; The water and air supply system, the smoke evacuation exhauster system that connect boiler; Waste time and energy.2, test data is artificial the collection, generally needs 4 ~ 6 people to participate in the work of collecting test data simultaneously, expends a large amount of manpower and materials.3, during the steam boiler test run, because the steam pressure in the boiler phenomenon of pressure oscillation occurs testing regular meeting often, the vapor (steam) temperature and the heat instability that cause boiler to be discharged are prone to measure error.4, owing to the restriction of conditions such as steam boiler practical structures form, test data collection is not instantaneous, not comprehensive.
Summary of the invention
The utility model is for providing a kind of convenient, fast, accurate, steam boiler thermal property test macro that automaticity is higher.
Steam boiler thermal property test macro provided by the utility model, comprise that boiler variable frequency pump to be measured and feed meter are connected on the supply line of steam boiler by flange, temperature sensor and Pressure gauge are installed on the interface of supply line reservation, gas meter connects with burner by gas pipeline, steam-flow meter and steam control valve are connected on the jet chimney of steam boiler by flange, pressure transmitter and vapor (steam) temperature table are installed on the jet chimney of steam boiler, the smoke evacuation thermal resistance is installed on the chimney interface of steam boiler, described steam control valve is an electric control valve, can be according to boiler pressure automatic regulating valve door open degree, make pressure stability within the specific limits, described system adopts computer control, and data acquisition and thermal efficiency technology are finished automatically.
The utility model can test out the thermal property and the thermal efficiency of steam boiler to be measured quickly and easily in the boiler manufacture process or before dispatching from the factory, the automaticity height can guarantee research and development technology requirement and measuring accuracy, improves research and development and production efficiency.
Description of drawings
Accompanying drawing is a schematic diagram of the present utility model.
The specific embodiment
For better understanding the utility model, provide the specific embodiment, but the utility model is not subject to concrete this embodiment.
As shown in drawings, a kind of steam boiler thermal property test macro group, comprise variable frequency pump 1, feed meter 2, temperature sensor 3, electro connecting pressure gauge 4, steam boiler 5 to be measured, burner 6, natural gas flowmeter 7, pressure transmitter 8, vapor (steam) temperature table 9, smoke evacuation thermal resistance 10, steam-flow meter 11, steam electric control valve 12, variable frequency pump 1 is connected on the supply line of steam boiler with feed meter 2 by flange, temperature sensor 3 and electro connecting pressure gauge 4 are installed on the internal thread head of supply line reservation, adopt thread connection, natural gas flowmeter 7 is connected with burner 6 by gas pipeline, steam-flow meter 11 is connected on the jet chimney of steam boiler with steam electric control valve 12 by flange, pressure transmitter 8 and vapor (steam) temperature table 9 are installed on the internal thread head that the jet chimney of steam boiler reserves, adopt thread connection, smoke evacuation thermal resistance 10 is directly installed on the chimney interface of steam boiler.
The course of work of the present utility model is:
At first open variable frequency pump 1, open steam electric control valve 12, in steam boiler 5 to be measured, inject soft water to predetermined water level, steam off electric control valve 12, open burner 6 ignition and guarantee that burning is normal, steam pressure in boiler raises gradually, when reaching the boiler rated pressure, by pressure transmitter 8 pressure is transformed into the signal of telecommunication, the aperture of the steam electric control valve 12 on the row's of control steam pipework, thereby adjust what of boiler exhaust steam amount, guarantee that the steam pressure in the boiler keeps constant.When the soft water in the steam boiler 5 to be measured was lower than predetermined water level, system opened variable frequency pump 1 moisturizing in boiler automatically, and the steam pressure in the boiler is under the rated pressure situation and when keeping constant, test beginning, follow-on test 1 hour.Test macro is gathered following data automatically: the steam pressure numerical value that pressure transmitter 8 provides, the vapor (steam) temperature numerical value that vapor (steam) temperature table 9 provides (corresponding steam enthalpy), the confluent numerical value that feed meter 2 provides, the feed temperature numerical value that temperature sensor 3 provides (corresponding Enthalpy of Feed Water), the gas consumption numerical quantity that natural gas flowmeter 7 provides, the calorie value of natural gas is by 35700 kilojoule/cubic meters; Steam moisture ω is generally by 4%; Latent heat of vaporization r can check in according to pressure and the saturated vapor enthalpy and the latent heat of vaporization table of comparisons, and test computer carries out the collection and the record of on-the-spot all measurement data.Except that the data that sampled point records, other data all can manually be imported and be adjusted, and data are brought formula into:
η1=【Dgs?(hbq-hgs-rω/100)/BQr】*100%
Wherein:
The data that Dgs boiler feedwater flow flowmeter 2 records
There are corresponding relation in hbq saturated vapor enthalpy saturated vapor enthalpy and pressure,
The temperature value that hgs steam boiler Enthalpy of Feed Water temperature sensor 3 records
There are one-to-one relationship in the r latent heat of vaporization and pressure,
These data of ω steam moisture are oneself input data
The B fuel consumption is the data that flowmeter 7 records
Qr input heat is approximately the low heat valve Qnet of fuel
The low heat valve 35700 kJ/m3 of Qnet fuel
Calculate the result, η 1 is exactly the efficient of boiler, and the result of final test can the form output report.
After describing embodiment of the present utility model in detail, being familiar with this technology personage can be well understood to, can carry out various variations and modification not breaking away under above-mentioned claim and the spirit, all foundations technical spirit of the present invention is to any simple modification, equivalent variations and modification that above embodiment did, the scope that all belongs to technical solution of the present invention, and the utility model embodiment of also not being subject in the specification to be given an actual example.
Claims (3)
1. steam boiler thermal property test macro, comprise boiler to be measured (5), it is characterized in that: variable frequency pump (1) is connected on the supply line of steam boiler with feed meter (2) by flange, temperature sensor (3) and Pressure gauge (4) are installed on the interface of supply line reservation, gas meter (7) connects with burner (6) by gas pipeline, steam-flow meter (11) is connected on the jet chimney of steam boiler with steam control valve (12) by flange, pressure transmitter (8) and vapor (steam) temperature table (9) are installed on the jet chimney of steam boiler, and smoke evacuation thermal resistance (10) is installed on the chimney interface of steam boiler.
2. a kind of steam boiler thermal property test macro according to claim 1, it is characterized in that: described steam control valve (12) is an electric control valve, can make pressure stability within the specific limits according to boiler pressure automatic regulating valve door open degree.
3. a kind of steam boiler thermal property test macro according to claim 1 is characterized in that: described system adopts computer control, and data acquisition and thermal efficiency technology are finished automatically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201625187U CN202082911U (en) | 2011-05-20 | 2011-05-20 | Thermal property testing system of steam boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201625187U CN202082911U (en) | 2011-05-20 | 2011-05-20 | Thermal property testing system of steam boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202082911U true CN202082911U (en) | 2011-12-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201625187U Expired - Fee Related CN202082911U (en) | 2011-05-20 | 2011-05-20 | Thermal property testing system of steam boiler |
Country Status (1)
| Country | Link |
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| CN (1) | CN202082911U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103149043A (en) * | 2013-01-30 | 2013-06-12 | 浙江中烟工业有限责任公司 | Real-time monitoring system and monitoring method of heat efficiency of condensing gas boiler |
| CN106644538A (en) * | 2016-09-27 | 2017-05-10 | 广东省特种设备检测研究院顺德检测院 | Industrial fuel oil steam boiler efficiency testing device and method based on positive balance |
| CN107036069A (en) * | 2017-05-18 | 2017-08-11 | 杭州江东富丽达热电有限公司 | Boiler steam and water circuit |
-
2011
- 2011-05-20 CN CN2011201625187U patent/CN202082911U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103149043A (en) * | 2013-01-30 | 2013-06-12 | 浙江中烟工业有限责任公司 | Real-time monitoring system and monitoring method of heat efficiency of condensing gas boiler |
| CN106644538A (en) * | 2016-09-27 | 2017-05-10 | 广东省特种设备检测研究院顺德检测院 | Industrial fuel oil steam boiler efficiency testing device and method based on positive balance |
| CN107036069A (en) * | 2017-05-18 | 2017-08-11 | 杭州江东富丽达热电有限公司 | Boiler steam and water circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111221 Termination date: 20140520 |