wangkiky's Blog

boiler


Pot [guō] furnace [lú]: consists of a pot and a furnace, the upper part of the water is a pot, the lower part of the heating is a furnace, and the integrated design of the pot and the furnace is called a boiler. A boiler is an energy converter that uses heat or other thermal energy released by combustion of a fuel to heat a working water or other fluid to a certain parameter. The boiler is divided into two parts: “pot” and “furnace”. "Pot" is a pressurized part that contains water and steam. It heats, vaporizes and separates water and water. The "furnace" is a place for fuel combustion or other heat release. There are combustion equipment and combustion chamber furnace and heat release flue. Wait. Both the pot and the furnace perform a heat conversion process, and the interface between the heat release and the heat absorption is called a heated surface. The boiler heats the water into steam. In addition to the pot and the furnace, there are auxiliary equipment such as frame, platform, escalator, combustion, slag, smoke duct, pipeline, furnace wall [1]. The "Special Equipment Safety Law" defines equipment that uses various fuels, electricity, or other energy sources to heat the liquid to a certain parameter and provide thermal energy through the form of an external output medium. A pressurized steam boiler with a water level volume greater than or equal to 30 L and a rated steam pressure greater than or equal to 0.1 MPa (gauge pressure); a pressure at which the outlet water pressure is greater than or equal to 0.1 MPa (gauge pressure) and a rated power greater than or equal to 0.1 MW Hot water boiler; organic heat carrier boiler with rated power greater than or equal to 0.1MW Related products: read more:

wood flooring raw materials


species and successfully held the first American fashion floor festival of Nature Home.Outdoor Floor Tiles Wood NigeriaNature Home plans to hold the first Indonesian Java Teak Flooring Festival this year, which will bring Chinese tea consumers an excellent teak flooring product from Indonesian Java, allowing consumers to experience more global tastes and home life,[url=http://wpcfloormanufacturer.com/review/3926.html]composite floor house Georgia[/url] and will further enhance the overall level of household consumption in China. .At this exhibition,

Nature Home shines over Shanghai New International Expo Center with over 800 square meters of booths, american plastics recycled woodand has exhibited more than 200 sets of 2012 nature flooring, nature Desenberg wooden doors, and nature Windsor wardrobes. The new spring product has become the focus and star of the audience.[url=http://wpcfloormanufacturer.com/review/6668.html]installing laminate floor threshold trim[/url]Nature suddenly "turned around" In July this year, the nature floor announced to the nation that it would enter the field of

laminate flooring in China, and launched the sub-brand2x6 composite decking price Egypt "Nature First Space" as an important piece of its strategic layout. The initiative immediately attracted widespread attention and discussion in the industry. A number of industry executives told reporters that the field of laminate flooring is the most competitive territory in China's wood flooring industry.[url=http://greencompositedecking.com/wpc-decking/1968.html]Highway Noise Wall Sale Spain[/url] Profits have been diluted. Nature has entered the laminate flooring at this time, and the


Water supply centrifugal pump for high-rise building


Multi-stage centrifugal pump for water supply in high-rise buildings is a new generation of aquatic products developed according to the actual needs of constant pressure water supply and fire protection industry in high-rise buildings.[url=https://www.antsalliance.com/news/Vacuum-valve-classification.html]Vacuum valve classification[/url] The pump adopts the domestic excellent hydraulic model, after careful design of our factory technicians, so the pump has the advantages of high efficiency, stable performance, low noise, long service life, beautiful appearance, less floor area, easy maintenance, light weight and so on.[url=https://www.evpvacuum.com/piston-vacuum-pump-application.html]piston vacuum pump application[/url] The multi-stage centrifugal pump for water supply in high-rise building is made up of motor and pump. The pump shaft and motor shaft are connected by clamp coupling to ensure that the pump and motor are absolutely coaxial so that the pump runs smoothly and has low noise.[url=https://www.evpvacuum.com/vacuum-pump-maintenance-knowledge.html]vacuum pump maintenance knowledge[/url] The motor is Y type three phase asynchronous motor, which is convenient for users to replace, and the whole is rigid connection. The shaft seal adopts mechanical seal, and the pump is a detachable structure to facilitate the replacement of mechanical seals. The rotation direction of the multistage centrifugal pump of the high-rise building is viewed downward from the motor end and rotated clockwise.[url=https://www.evpvacuum.com/rotary-vane-vacuum-pump-vacuum-packaging-process-industry.html]rotary vane vacuum pump vacuum packaging process industry[/url]

Functional characteristics of vacuum furnace in high temperature experiment


High-temperature experimental vacuum furnace is mainly used in ceramics, metallurgy, electronics, glass, chemical industry, machinery, refractories, special materials, building materials, universities, scientific research institutes, industrial and mining enterprises to do powder roasting, ceramic sintering, high-temperature experiments, material treatment, quality colleges, scientific research institutes, industrial and mining enterprises to do high-temperature atmosphere sintering, atmosphere Reduction, CVD experiment, vacuum annealing, etc. The main functions and characteristics of high temperature vacuum atmosphere furnace are: 1. The control system of the equipment is safe and reliable, easy to operate, high temperature control precision, good insulation effect, wide temperature range, high temperature uniformity, many temperature zones, optional atmosphere, vacuum furnace type, etc. 2. Options: vacuum tube furnace, atmosphere tube furnace, ordinary tube furnace, rotary tube furnace, multi-station tube furnace, split tube furnace, integral tube furnace, vertical tube furnace, horizontal tube furnace, single temperature zone tube furnace, double temperature zone tube furnace, multi-temperature zone tube furnace. Related products: read more:

Stainless steel submerged pump


Summary FY corrosion-resistant vertical submerged pump is a single-stage single-suction long-axis submerged centrifugal pump. Its labeling, rated performance points and flange connection dimensions are equivalent to ISO2858 international standards, and the technical conditions are in accordance with ISO5199 standards. Compared with the original FY corrosion liquid pump, it has the advantages of small volume, high efficiency, good energy saving effect and reliable operation. It is suitable for conveying corrosive medium without solid particles and abrasives. The transmission temperature of the pump is usually 0~105 degrees. Thermal insulation jacket and cooling jacket can be used when the temperature is between 20 ~10 C and 105 180 C. Wear-resisting conductive bearings at low or high temperature can be used. Users should explain this kind of situation. If the conveying medium has a small amount of solid particles or impurities, we can choose our company's TCN cantilever submerged pump. The working pressure of the pump is designed according to 1.6MPa. The performance range of the pump is 1.6-2600 /h and 5-132m. According to the different transmission medium, the FY force type submerged pump can be made of cast iron (expressed by symbol H), cast iron, 1Cr18Ni9Ti (expressed by symbol B), 1Cr18Ni12Mo2Ti (expressed by symbol M), 304, 304L, 316L, 316L, 904, lewmet alloy, 20 alloy, etc. Related products: read more:

Stainless steel multistage pump


Stainless steel multistage pump in operation, it may appear a variety of problems, encountered any of his problems, as long as we have the way to inspect it, basically these problems can be solved. In fact, in the course of our use, he is easy to break down, that is, we set a fixed flow of it, but we really in the process of production, her flow is always not up to our requirements.

dry scroll vacuum pumps

When we encounter this problem, how do we check it? In fact, he is generally in the overall operation process, generally only three cases will let him have this problem.

Rotary vane vacuum pump in vacuum forming and laminating process

First of all, there may be a certain amount of air in the stainless steel multi-stage pump, that is, where there may be leakage. So we can repair the leakage part and repair it.

dry screw vacuum pump vacuum distillation process

Secondly, we'll find out if the water level in it is lowering, so that his whole submergence is not enough, so that's what happens. So, as long as we lengthen its suction pipe and deepen its depth, there is basically no problem.

rotary vane vacuum pump vacuum packaging process industry

DG series boiler feed water pump


This series of pumps is a segmented single-suction multi-stage centrifugal pump for the transport of clear water and other liquids with physicochemical properties similar to water. The maximum temperature of the medium is 160 C. It is mainly used for boiler water supply and mine drainage.

This series of pumps select excellent water conservancy model and structural design method, so advanced structure, high efficiency and energy saving is one of its remarkable characteristics. The structure of 100DM100 type drainage pump is slightly different, its inlet is in horizontal direction, while the inlet and outlet of DG series pumps are vertical upward, the performance is the same as 100DG, the highest head is 1000 meters. It is suitable for mine drainage.

read more:

Application of oil quenching vacuum furnace in heat treatment process


Oxidation corrosion is one of the fatal flaws in product parts. In the past, the heat treatment of many products of a company in China was quenched by salt furnace. When the rainy season came, the parts had to be surface treated within one week. Otherwise, the residual salt would corrode the workpiece, which would lead to the quality problem of batch scrapping. In this season, the surface treatment of the product parts is usually carried out immediately after heat treatment to solve this problem. However, due to the large output and variety of the product parts, this practice increases the workload of the surface treatment workshop during the construction period, resulting in production arrangements. The pressure on it. In order to alleviate this pressure and achieve balanced production, the company introduced the VQ02-100 oil quenching vacuum furnace. Oxidation corrosion is one of the fatal flaws in product parts. In the past, the heat treatment of many products of a company in China was quenched by salt furnace. When the rainy season came, the parts had to be surface treated within one week. Otherwise, the residual salt would corrode the workpiece, which would lead to the quality problem of batch scrapping. In this season, the surface treatment of the product parts is usually carried out immediately after heat treatment to solve this problem. However, due to the large output and variety of the product parts, this practice increases the workload of the surface treatment workshop during the construction period, resulting in production arrangements. The pressure on it. In order to alleviate this pressure and achieve balanced production, the company introduced the VQ02-100 oil quenching vacuum furnace. 1. Parts processing technology analysis and new equipment support capability A variety of product parts produced by a domestic company are thin-walled, complex-shaped parts with folded edges, no through-holes, etc., and require no oxidative decarburization on the surface after heat treatment. The process uses a salt bath furnace to heat, although it can effectively prevent decarburization, but often residual salt is retained on the surface of the workpiece. Because it is difficult to clean thoroughly, it is caused by oxidative corrosion. The workpiece is heated in a vacuum to remove surface grease, decompose the oxide, and the surface is activated to improve surface quality. VQO-100 double chamber quenching and tempering furnace can guarantee the condition of high vacuum (10Pa). Firstly, it fully meets the requirements of non-oxidative decarburization and heating quenching of the workpiece. Secondly, the equipment is controlled by the program and automatically executes the set process parameters. The influence of human factors is ruled out; again, the temperature control system adopts PID to adjust the temperature automatically, and the uniformity of the furnace temperature can be controlled within 2 °C. Related products: read more:

Development of large vertical high pressure gas quenching vacuum furnace


At present, vacuum quenching furnace is mainly vacuum oil quenching and vacuum gas quenching, each of which has its advantages and disadvantages. From the surface quality after quenching, the brightness of vacuum oil quenching is 20% ~ 30% lower than that of vacuum gas quenching, and it needs to be cleaned. From the mechanical properties of quenched workpiece, a white layer composed of residual austenite and carbide is formed on the surface of high speed steel tool after vacuum oil quenching. Carbides and retained austenite are composed of carbides, and the carbon to form carbides does not come from the residual atmosphere in the furnace, but from quenching oil. There are three factors affecting the cooling capacity of vacuum gas quenching: first, the type of quenching gas, the cooling capacity from high to low is H2, He, N2, Ar; second, the pressure of gas filling in quenching, the higher the pressure of gas filling, the stronger the cooling capacity of vacuum furnace, but when the pressure increases to a certain extent, its influence weakens; third, the transmission through the workpiece. The greater the flow rate of the heat medium, the greater the cooling capacity of the vacuum furnace. In addition, the cooling effect of high pressure gas quenching is also affected by the distribution of gas flow through the burden and the re-cooling of the heated gas flowing through the workpiece. In production and application, vacuum and high pressure gas-cooled quenching of 5-6bar (1bar = 105Pa) is still insufficient for quenched parts of low alloy steel, large-size dies, shafts and high-density loaded workpieces. In order to improve the quality of products, customers who produce large molds need faster quenching furnace. Related products: read more:

Vertical concentrated sulfuric acid centrifugal pump


Vertical concentrated sulfuric acid centrifugal pump is optimized by using two kinds of special cast iron, carbon steel and excellent hydraulic model. It is the ideal new generation of chemical pumps. The shaft seal of the pump adopts external high quality mechanical seal, and the dynamic and static rings are made of new type cemented carbide or ceramics, which have the advantages of wear resistance, no leakage and long service life.[url=https://www.evpvacuum.com/piston-vacuum-pump-at-best-price-in-india.html]piston vacuum pump at best price in india[/url] 1. The pump is a vertical structure with the same inlet and outlet caliber, and is located on the same central line. It can be installed in the pipeline like a valve. It has compact and beautiful appearance, small floor area and low construction input. If it is added with protective cover, it can be used outdoors.[url=https://www.evpvacuum.com/double-stage-water-ring-vacuum-pump-principle.html]double stage water ring vacuum pump principle[/url] 2. The impeller is directly mounted on the motor's lengthening shaft. The axial dimension is short, the structure is compact, and the bearing of the pump and motor is reasonable. It can effectively balance the radial and axial loads produced by the operation of the pump, thus ensuring the smooth operation of the pump and low vibration noise.[url=https://www.evpvacuum.com/EVP-SV-series-rotary-vane-vacuum-pump-upgrade.html]EVP SV series rotary vane vacuum pump upgrade[/url] 3. The shaft seal of the pump adopts external high-quality mechanical seal, and the dynamic and static rings are made of new cemented carbide and ceramics, which are wear-resistant, leak-free and have long service life.[url=https://www.antsalliance.com/news/Rotary-vane-vacuum-pump-working-principle.html]Rotary vane vacuum pump working principle[/url] Vertical concentrated sulfuric acid centrifugal pump is widely used in chemical, petrochemical, smelting, dyestuffs, pesticides, pharmaceuticals, rare earth, fertilizers and other industries. It is used to transport various non-oxidizing acids (hydrochloric acid, dilute sulfuric acid, formic acid, acetic acid, butyric acid) and other corrosive media without suspended solid particles, which are difficult to crystallize and whose temperature is lower than 100%.[url=https://www.antsalliance.com/news/Roots-liquid-ring-vacuum-system.html]Roots liquid ring vacuum system[/url]