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Corrosion can cause water leakage in coal-fired steam boilers
Adaugat pe 17/01/2019 08:04:04
Leakage of water in the cylinder of a coal-fired steam boiler is also possible. However, the cost of repairing this phenomenon is very high. If it is red water, it may be water quality problems; check whether the coal-fired steam boiler is caused by pipe burst or tube plate cracks. If this is the case, it may be necessary to replace or re-weld the pipe; the check is whether the coal-fired steam boiler leaks due to corrosion problems. If the corrosion of coal-fired steam boilers is serious, it is necessary to remove clean water to repair the leaking part and add chemicals to slow the corrosion.
When installing pressure gauges on coal-fired steam boilers, it is necessary to ensure the quality of use and to conduct regular safety checks. Every coal-fired steam boiler must be equipped with safety facilities, which mainly include fire extinguishing protection facilities, furnace overtemperature protection facilities, gas overpressure protection facilities and water level ultra-low protection facilities; safety valves installed on coal-fired steam boilers must be achieved. Every year, like the relevant departments, it is necessary to prohibit the use of problem safety valves.
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Gas Hot Water Boiler Intake Rate Shouldn't Be Too Fast
Adaugat pe 17/01/2019 03:43:36
The intake speed of gas-fired hot water boilers should not be too fast before start-up. Generally, it should be no less than 4 hours in winter and 2-3 hours in other seasons, especially at the initial stage of intake. The inlet water temperature of gas hot water boiler is generally between 50 and 90 C, so that the difference between the feed water temperature entering the drum and the drum wall temperature is not more than 40 C. For gas-fired hot water boilers with incomplete cooling, the inlet water temperature can be compared with the drum wall temperature, otherwise the inlet water speed should be slowed down.
Gas Hot Water Boiler
When the feed water enters the drum, it always contacts the lower half of the drum first. If the temperature difference between the feed water temperature and the drum wall is too large, the speed of intake is too fast, and the upper and lower walls of the drum, the inner and outer walls of the drum will have a large expansion difference, which will cause a large additional stress to the drum, cause the drum deformation, and cracks in serious cases.
Because the drum wall is thicker and expands slowly, the tube wall connected to the drum wall is thinner and expands faster. If the inlet temperature of gas-fired hot water boiler is too high or the inlet speed is too fast, it will cause uneven expansion, crack at weld joint and damage to gas-fired hot water boiler.
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Oil pump pressure solution
Adaugat pe 15/01/2019 08:25:23
Loosen the nut of the relief valve and increase the pressure. Note that the pressure value of the relief valve needs to be slightly larger than the value of the pressure gauge.

Third, the hydraulic oil is used for a long time, there will be a lot of impurities in the oil and accumulate in the oil passage, the oil pipe will be blocked, the oil pumping capacity will be reduced, and even the related leakage phenomenon will occur.
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Insufficient pump pressure
Adaugat pe 15/01/2019 04:49:54
Various malfunctions often occur in the work of filter press equipment. Taking plate and frame filter press as an example, the phenomenon of insufficient oil pump pressure will occur in the work of this filter press, which will affect the progress of the work of the equipment to a certain extent, and even affect the quality of the work of the equipment. What are the causes of insufficient pump pressure? What are the specific solutions? Today we'll give you a brief introduction.
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Ground Pump is Concrete Ground Pump
Adaugat pe 10/01/2019 08:49:05
Ground pump is concrete ground pump: It is a construction equipment that conveys concrete by pressure through pipeline. It is equipped with special pipeline. It can continuously complete horizontal and vertical conveyance of concrete along pipeline. It is an ideal kind of existing concrete conveyance equipment. It combines the production of ready-mixed concrete with pumping construction, and uses concrete mixing truck to run in the middle. It can realize continuous pumping and pouring of concrete. It is used for concrete transportation in large concrete projects. Mainly divided into gate valve concrete ground pump and S valve concrete ground pump; further subdivision can be divided into electric pump and diesel pump.
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Pump truck is concrete pump truck
Adaugat pe 10/01/2019 04:23:49
Pumping truck is concrete pumping truck: a machine that uses pressure to continuously transport concrete along pipelines. It is composed of pump body and conveying pipe. According to the structure, it can be divided into piston type, extrusion type and hydraulic diaphragm type. The pump body is mounted on the chassis of an automobile and then equipped with a retractable or flexible cloth rod to form a pump truck. The concrete pump truck is reformed on the chassis of the truck. It is equipped with motion and power transmission device, pumping and mixing device, material distribution device and other auxiliary devices on the chassis. The power of the concrete pump truck is transmitted to the hydraulic pump group or the rear axle through the power transfer box. The hydraulic pump drives the piston to drive the concrete pump. Then the concrete is transported to a certain height and distance by using the distributing rod and the conveying pipe on the pump truck.
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The northern stove
Adaugat pe 08/01/2019 11:35:28
First put the chimney (good conditions can buy stainless steel tube to do chimney) up, by the first direction of the first, or easy to drop smoke oil (many home not by this method of cigarette joint everywhere drop smoke oil)


Chimney is connected hind if do not have reservation flue, must look for a person to play ahead of time diameter 10 centimeters are empty, on the wall or glazinges above look for a suitable position next, must not be close to wall, ligneous furniture, plastic product is too close lest temperature is exorbitant cause fire


According to the general shape damp down the stove to basically the same, 3 have mouth damp down at night to open the front cover below the middle of the front, let the air through the chamber of a stove or furnace inside, no longer let coal combustion of coal will not so quickly, achieve the result of the furnace basic not go out at night, if it is two mouth of the furnace in the evening is about to turn off the oven or drawer below, open the cover of the half, or the kettle cover half and don't let the wind through the inside the chamber of a stove or furnace, achieve the result of his slowly burning, just as the image below
Tips for heating your stove at home
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Frequency conversion intelligent hydraulic ceramic piston pump
Adaugat pe 08/01/2019 07:26:47
Variable Frequency Intelligent Hydraulic Hydraulic Piston Pump The frequency control technology of the piston pump can realize the flow control of the pump. In this way, within a certain range, how much flow is actually needed, how much flow is discharged by the plunger pump, eliminating the inefficient recirculation of the pump, improving the operating condition of the pump, reducing the wear on the equipment, and enabling the motor to start smoothly by using the frequency converter. It is convenient to adjust the speed, and it has good energy saving effect under light load and low frequency. The frequency converter also has a communication function, which can realize remote concentration and facilitate the detection of equipment operation.
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Hydraulic ceramic plunger pump
Adaugat pe 08/01/2019 03:49:50
Hydraulic ceramic plunger pump YB series hydraulic ceramic plunger pump is hydraulically driven double-cylinder (single bar) double-acting plunger pump. The pump has low noise, high pressure, convenient operation and maintenance, and long service life of 15-20 years. . Mainly used in ceramics, activated clay, kaolin, electric porcelain, chemical, petroleum, light industry and other industries. It can be used for slurry spraying of various types of spray drying towers. It can also be used to transport mud, clearing, slurry coal slurry or other suspensions over long distances. The filter press feeds the feed, and the flow rate is stable and the moisture content of the mud cake is effectively reduced.

The hydraulic ceramic plunger pump has more than 20 specifications in six series, and the flow rate can be from 0.1 m3/h to 120 m3/h. The maximum pressure of the atmospheric pump can reach 25Mpa, and the maximum pressure of the high pressure pump is 8Mpa.
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