china natural gas fired hot water boiler

china natural gas fired hot water boiler

The steam boiler can be divided into three kinds according to the fuel (electricity, oil, gas), such as electric steam boiler, oil steam boiler, gas steam boiler, etc. According to the structure can be divided into vertical steam boilers, horizontal steam boilers, small steam boilers are single, double-return vertical structure, large-scale steam boilers are mostly three-way horizontal structure. If according to the classification criteria above, there are a lot of steam boilers, take an ordinary fast-packed 4-ton steam boiler. Water is heated into steam in the drum and heat is emitted by fire in the furnace, which is the principle of the steam boiler. Steam The combustion part of a steam boiler consists of a chain grate and a drive device, together with a combustion chamber composed of a boiler rack on the grate frame. Surrounded by refractories. Coal from coal hopper, there are coal gate to control the thickness of coal seam while sealing the front of the air. The lower part of the combustion chamber is the place where the blast enters. This steam boiler has great resistance and needs forced blast. The cinder of a steam boiler, discharged from the back of the grate through Eagle's mouth iron and sent out of the furnace by a slag extractor. Steam boiler flue gas from the back of the boiler, by the steam boiler drum one-way smoke pipe forward, from the two-way smoke pipe back to the rear, then into the dust collector to separate ash, and then through the induced fan from the chimney exhaust Out. The above is the working principle of steam boiler, of course, the operation of steam boiler without other equipment, such as the induced fan not only undertake the task of exhaust flue gas, but also the steam boiler negative pressure operation necessary. There are also pressure vessels, thermometers, safety valves, pressure gauges, pumps, steam pumps, etc. All are essential for steam boiler work. Pump leak problem. The actual output flow rate of gear pump is smaller than that of theoretical flow due to the leakage of gear pump in the process of operation. The main leakage channel of gear pump is through the gap between the two sides of gear and the cover plate on both sides of the gear, which is 75% / 85% of the total leakage of the pump. Radial clearance leakage between gear top circle and inner hole of pump; clearance leakage through gear meshing. Because of the leakage of gear pump, the output pressure does not go, which affects the range of use of gear pump. In order to solve the problem of low output pressure of gear pump, the way of adding floating sleeve or elastic baffle on both sides of gear pump is adopted to reduce the leakage of gear pump and improve the output pressure of gear pump. Radial force imbalance problem. In the working process of the gear pump, the pressure on the outer circle of the gear is not equal, which results in the radial unbalance force at the shaft and bearing of the gear. This radial imbalance will accelerate the wear and tear of the bearing, reducing the bearing The service life also may cause the gear shaft to deform, causes the tooth top and the pump body inner hole friction, damages the pump body, causes the pump not to work normally. The common solution is as follows: (4) opening pressure balance slot on pump, leading high pressure oil to low pressure area, but it will increase pump leakage and affect pump volume efficiency; (2) reducing the size of the pressure chamber, reducing the pressure area acting on the gear teeth, and thus reducing the radial unbalanced force.

Maintenance maintenance content content gas boiler gas boiler gas boiler twice monthly maintenance inspection item A. Fuel supply line: a filter cleaning gas oil; ignition gas conduit 2 airtightness inspection; 3 inspection tube. the road is smooth. B. inspection of the instrument: a flushing water table; 2 Syphons flushing; valve experiment. C. Check burner:.... The flame detector (photocell) cleaning the light receiving surface; second inspection oil pump pressure is normal; 3 checks the combustion flame is normal; 4 check burner, the burner sound is abnormal; 5 Cleaning revolutions cup; 6 o'clock washing water rod. . Check D. Intake system: a washing water filter; 2 reaches rated pump head and flow; 3 a check valve is working properly... E. daily drainage tank and the cleaning debris. Water quality testing, water testing furnace. F. Check the combustion consumption is normal. Gas boiler maintenance items every three months in addition to the inspection items plus the inspection item: Electric Part A: 1 line is loose aging, failure; 2 check the reliability of electrical components, overload; Protection relay 3 is normal.... .; soft water tank B is opened to disable the low valve exclude sludge; C and then point detecting gas boiler interlock device:.... a low water position; overpressure 2; 3 flameout 4. The exhaust gas temperature ultrahigh; et D . quality smoke detection: analysis of tobacco smoke constituents comprising temperature detecting tail, check combustion is working properly. E. burner and boiler cleaning outer cleaning. Large annual gas boiler protection projects. Host body part of a comprehensive clean-up tobacco pipes, water pipes, front and rear smoke box, part of the furnace and the burnout chamber and smoke tubes ash collection. 1. inspection openings comprehensive inspection hole hand hole, manhole sealing soundness, and timely replacement of defective seals. 2. The overall comprehensive testing instruments, valves, comprising detecting pressure gauge and safety valve, the pressure controller and the electrode level controller tuning. Part B. burner: Burner cleaning turn round cup, ignition means, filter, pump, motor and impeller systems, throttle link means to add a lubricant. Re-awarded for combustion testing. C. access control section detecting electrical components, control lines, the control box clean ash collection, each control point is detected. D. water supply system maintenance water treatment plant to check whether water quality standards, a comprehensive clean soft water tank, to check the functioning of the pump and lift, clean check valve spool and so on.

Parties were quick to go to Shanxi Changzhi, boiler security popularize knowledge of this year, fast boiler should Changzhi City, Shanxi Province Special Equipment Supervision and Inspection (referred to Changzhi City, the special prosecutor) was invited for Changzhi City, more than 200 enterprises use boilers unit representatives of the gas boiler safety and technical training. Fang fast professional engineers with many years of use awareness of the boiler, in simple terms, the boiler eleven points to secure technical knowledge, has won numerous praise.

Different kinds of specific models boilers and thermal power plants use which: boiler, which from the application point of view, is very broad, and it is still the flagship product box boiler, which also includes different types of boilers, therefore, based on the above it two points, and in order so that we can further awareness and understanding of the boiler, below, will continue to explain the knowledge in this area, never to achieve the above purpose. 1. boiler, whether according to different classification criteria, there are different kinds? Each of its kind, which specific model? Boiler, which according to different classification criteria, there is a different species. So, a question on which the answer is yes, but this is no doubt. Therefore, I hope that we can have a clear understanding. Water in boilers, in which the specific models, are KS-D electric water boilers, KS-Y water boiler fuel, KS-Q water gas boiler, and KS-AII these coal-fired boiler water. Hot water boiler, there CLDZ electric water boiler, CLHS oil china fired hot water boilers and coal-fired hot water boilers and other CLSG these. The steam boiler, there LDR electric steam boiler, LHS fuel steam boilers and coal-fired steam boilers DZL these.

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