CN202119634U - Hot water boiler thermal property test system - Google Patents
Hot water boiler thermal property test system Download PDFInfo
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- CN202119634U CN202119634U CN2011201625204U CN201120162520U CN202119634U CN 202119634 U CN202119634 U CN 202119634U CN 2011201625204 U CN2011201625204 U CN 2011201625204U CN 201120162520 U CN201120162520 U CN 201120162520U CN 202119634 U CN202119634 U CN 202119634U
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- water boiler
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Abstract
The present utility model provides a hot water boiler thermal property test system which belongs to the thermo-technical field. The system comprises a to-be-measured boiler, a frequency conversion water pump, a circulating water flowmeter and a flange dish valve are connected on the water-entering pipeline of a hot water boiler, a temperature sensor and a pressure gauge are arranged on the water-entering pipeline of the hot water boiler, a natural gas flowmeter is connected with a combustor through a combustion gas pipeline, an electro connecting pressure gauge and the temperature sensor are arranged on the water-outgoing pipeline of the hot water boiler, a smoke evacuation thermal resistor is directly arranged on the hot water boiler, the primary water side water-entering end of a plate type heat exchanger is connected on the water-outgoing pipeline of the hot water boiler, and the water-outgoing end is connected with the frequency conversion water pump. The system is simple in structure and easily for manufacturing, and the thermal property and the heat efficiency of the to-be-measured hot water boiler can be conveniently and rapidly measured.
Description
Technical field
The utility model patent relates to a kind of boiler thermal technology Performance Test System, and particularly a kind of hot-water 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 hot-water boiler processing and manufacturings finishes, before the boiler sale is dispatched from the factory, all to carry out the test of hot-water boiler thermal property.Hot-water boiler thermal testing method in the past is following: 1, the preliminary work of test generally need be installed instrument, valve; The water and air supply system, the smoke evacuation 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, the labor manpower and materials.3, during the hot-water boiler test run,, be prone to measuring error because the leaving water temperature of boiler, causes externally heat (water temperature) instability of output of boiler in the phenomenon of testing regular meeting's appearance temperature fluctuation often.4, owing to the restriction of conditions such as hot-water boiler practical structures form, test data collection is not instantaneous, not comprehensive.Can test out the thermal property and the thermal efficiency of hot-water boiler to be measured quickly and easily, automaticity is high, guarantees research and development technology requirement and measuring accuracy simultaneously.
Summary of the invention
The utility model is for providing a kind of conveniently hot-water boiler thermal testing system.
A kind of hot-water boiler thermal property test macro that the utility model provided; Comprise boiler to be measured, variable frequency pump, circulating water flow meter and flange dish valve are connected on the inlet pipeline of hot-water boiler, and temperature sensor and tensimeter are installed on the hot-water boiler inlet pipeline; Natural gas flowmeter links together through gas pipeline and burner; Electro connecting pressure gauge and temperature sensor are installed on the outlet conduit of hot-water boiler, and the smoke evacuation thermal resistance is directly installed on the hot-water boiler, and the primary water side water inlet end of plate type heat exchanger is connected on the boiler discharging tube road; Water side and variable frequency pump link; Said plate type heat exchanger secondary water side connects tap water, and the secondary water side of described plate type heat exchanger is provided with electric control valve and flange dish valve, and described electric control valve is regulated the tap water inflow automatically according to plate type heat exchanger primary side water temperature; Make the primary side water temperature stability in certain limit; Described test macro can be provided with the plate type heat exchanger more than according to the boiler size, and described test macro is through computer control, and data acquisition, calculating are accomplished automatically.
The utility model is simple in structure, is easy to make, and can test out the thermal property and the thermal efficiency of hot-water boiler to be measured quickly and easily, and automaticity is high, can guarantee research and development technology requirement and measuring accuracy.
Description of drawings
Accompanying drawing is the synoptic diagram of this test macro.
Embodiment
For better understanding the utility model, following examples are provided, but the utility model is not subject to present embodiment.
Shown in accompanying drawing; The composition of hot-water boiler thermal property test macro comprises variable frequency pump 1, circulating water flow meter 2, temperature sensor 3, electro connecting pressure gauge 4, flange dish valve 5, hot-water boiler to be measured 6, burner 7, natural gas flowmeter 8, electro connecting pressure gauge 9, temperature sensor 10, smoke evacuation thermal resistance 11, plate type heat exchanger 12, electric control valve 13, flange dish valve 14; Wherein variable frequency pump 1, circulating water flow meter 2 and flange dish valve 5 are connected on the inlet pipeline of hot-water boiler through flange; Temperature sensor 3 is installed on the internal thread head of hot-water boiler inlet pipeline reservation with electro connecting pressure gauge 4; Can adopt thread connection; Natural gas flowmeter 8 links together through gas pipeline and burner 7; Electro connecting pressure gauge 9 and temperature sensor 10 are installed on the internal thread head that the outlet conduit of hot-water boiler reserves, and can adopt thread connection, and smoke evacuation thermal resistance 11 is directly installed on the hot-water boiler; Hot water side one end of plate type heat exchanger 12 is connected on the boiler discharging tube road; The other end and variable frequency pump 1 link, and form a circulation line jointly, and the secondary tap water side of plate type heat exchanger 12 is connected with hot user of simulation of electric control valve 13 and the 14 common formation of flange dish valve.
The course of work of the utility model is:
Open variable frequency pump 1, open flange dish valve 5, in hot-water boiler 6 to be measured and circulation line, inject soft water; Close electric control valve 13, open burner 7 ignition and guarantee that burning is normal, the temperature of recirculated water raises gradually in boiler; When reaching the boiler rated temperature, temperature signal is transformed into electric signal, controls the aperture of electric control valve 13 of the secondary tap water side of plate type heat exchanger 12 through temperature sensor 10; Thereby the secondary side of adjustment control plate type heat exchanger 12 is what of the water yield from the beginning; Guarantee that boiler water outlet water temperature keeps constant, boiler is under specified leaving water temperature situation and when keeping constant, the test beginning; Follow-on test 1 hour, test macro are gathered following data automatically:
The boiler discharge pressure numerical value that electro connecting pressure gauge provides;
The boiler leaving water temperature numerical value that temperature sensor 10 provides (corresponding boiler water outlet enthalpy hgs);
The quantity of circulating water numerical value G that circulating water flow meter 2 provides;
The boiler feed water Temperature numerical that temperature sensor 3 provides (corresponding boiler feed water enthalpy hcs);
The gas consumption numerical quantity B that natural gas flowmeter 8 provides;
The calorie value Qr of rock gas is by 35700 kilojoule/cubic meters; According to the physical characteristics table of water, tabling look-up according to temperature obtains the Inlet and outlet water enthalpy, and test computer carries out the collection and the record of on-the-spot all measurement data, and except that the data that sampled point records, other data all can artificial input and adjustment;
Bring the data in the 3rd step into formula: η 1=[G (hcs-hgs)/BQr] * 100%
Calculate the result.
Wherein:
The G hot water circulation amount data that units/h flowmeter 2 records
Hcs hot-water boiler water outlet enthalpy can be with the direct substitution of the temperature value that 9 sampled points record
Hgs hot-water boiler backwater enthalpy can be with the direct substitution of the temperature value that 3 sampled points record
The m3/h of B fuel consumption unit is the data that flowmeter 8 records
Qr input heat is the physics heat of fuel and the net calorific value sum of fuel, is approximately the net calorific value Qnet of fuel, v, ar
Qnet, v, the as received basis net calorific value kJ/m3 rock gas 35700 kJ/m3 of ar fuel
After the embodiment that specifies the utility model; Being familiar with this technological personage can be well understood to; Do not break away from above-mentioned claim with spirit under can carry out various variations and modification; All foundations technical spirit of the present invention all belongs to the scope of technical scheme of the present invention to any simple modification, equivalent variations and modification that above embodiment did.And the embodiment that the utility model also is not subject in the instructions to be given an actual example.
Claims (5)
1. hot-water boiler thermal property test macro; Comprise boiler to be measured (6); It is characterized in that: variable frequency pump (1), circulating water flow meter (2) and flange dish valve (5) are connected on the inlet pipeline of hot-water boiler; Temperature sensor (3) and tensimeter (4) are installed on the hot-water boiler inlet pipeline, and natural gas flowmeter (8) links together through gas pipeline and burner (7), and electro connecting pressure gauge (9) and temperature sensor (10) are installed on the outlet conduit of hot-water boiler; Smoke evacuation thermal resistance (11) is directly installed on the hot-water boiler; The primary water side water inlet end of plate type heat exchanger (12) is connected on the boiler discharging tube road, and water side and variable frequency pump (1) link, and said plate type heat exchanger (12) secondary water side connects tap water.
2. a kind of hot-water boiler thermal property test macro according to claim 1 is characterized in that: the secondary water side of described plate type heat exchanger (12) is provided with electric control valve (13) and flange dish valve (14).
3. a kind of hot-water boiler thermal property test macro according to claim 2; It is characterized in that: described electric control valve (13) is regulated the tap water inflow automatically according to plate type heat exchanger (12) primary side water temperature, makes the primary side water temperature stability in certain limit.
4. a kind of hot-water boiler thermal property test macro according to claim 1 is characterized in that: described test macro can be provided with the plate type heat exchanger more than according to the boiler size.
5. a kind of hot-water boiler thermal property test macro according to claim 1 is characterized in that: described test macro is through computer control, and data acquisition, calculating are accomplished automatically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201625204U CN202119634U (en) | 2011-05-20 | 2011-05-20 | Hot water boiler thermal property test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201625204U CN202119634U (en) | 2011-05-20 | 2011-05-20 | Hot water boiler thermal property test system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202119634U true CN202119634U (en) | 2012-01-18 |
Family
ID=45460689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201625204U Expired - Fee Related CN202119634U (en) | 2011-05-20 | 2011-05-20 | Hot water boiler thermal property test system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202119634U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106525470A (en) * | 2016-09-27 | 2017-03-22 | 广东省特种设备检测研究院顺德检测院 | Novel mobile type hot-water boiler efficiency testing platform and method |
| 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 oil-fired steam boiler efficiency test device and method based on positive balance |
-
2011
- 2011-05-20 CN CN2011201625204U patent/CN202119634U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106525470A (en) * | 2016-09-27 | 2017-03-22 | 广东省特种设备检测研究院顺德检测院 | Novel mobile type hot-water boiler efficiency testing platform and method |
| 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 oil-fired steam boiler efficiency test device and method based on positive balance |
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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: 20120118 Termination date: 20140520 |