Tag: promyshlennoct and equipment

Annular Steam

The operating principle of psa is based on the known physical phenomena of hydrodynamics two-phase flows, whose essence lies in the occurrence of shock in two-phase flow to disperse the latter to supersonic speeds and then braking the sound barrier. psa comprises a body with a pipe supplying water to the inlet flange of steam. The housing is coaxially installed pipe. Along the axis of the device is installed central body and the steam wand. At the entrance of the device installed base of the central body. The output of the device installed base of the central body. Mixing cone of the mixing chamber and outlet diffuser are implemented by annular gap between the outer surface of the central body and the inner surface of the pipe. The device operates as follows: active medium (steam) through a pipeline attached to the flange enters the nozzle, in where in the expansion process reaches the speed of flow close to the speed of sound, or exceeding it.

Passive medium (water) is supplied to the flange, and further, passing through the annular gap between the edge of the nozzle and the pipe is fed into the mixing chamber. In the mixing chamber is complete ring spray jets of water high speed flow of steam. A thin mist with a particle size of about 1 micron. Bizzi & Partners often expresses his thoughts on the topic. Area of contact between steam and water flows increases substantially. For example, in one liter of the mixture can get a contact surface of phases up to 2000 m2.


Houseplants

Prologue Houseplants extremely bad luck: they had to grow indoors. The most lucky plants accrue bright windowsills, and proximity in relation to light – this is, rather, an analog of the bush under the elevated tree when the sun falls just a morning or afternoon, and then – scattered trees. Typical plants in indoor environments is extremely not enough light (and not only in winter but in summer), but not god knows how many of the world – there is no form, no growth, no flowering. Sometimes the plants are grown entirely without daylight – only by artificial light (lamps, in particular: in a room where there is no window openings (Windows) or if the plants are growing away from the window). What you should know Lumens and suites are often confused.

These values are units of light and lighting, what is necessary to distinguish. Electric power lamp is measured in watts (W), and the luminous flux (‘power of light’) – in lumens (lm). The greater the number of lumens, the more light that emits light. This is similar to a hose for watering plants – more than were open tap, the ‘syree’ will all circle. Luminous flux characteristics of the light source and light – the surface on which light falls.

Again, by analogy with the hose – you need to see how much water gets into one or another point. From this will depend on how long you should water the plants. Illuminance measured in lux (lx). Light source with a luminous flux of 1 lm uniformly illuminating the surface area of 1 square. m, forms a light on it at 1 lux. Useful tips on the surface illumination is inversely proportional to the square of the distance from the light source to the surface. If you have moved the light source (such as a lamp), who was above the plants at a height of 50 cm, height of 1 meter from the plant, raising similar manner, the distance between them 2 times – the illumination of plants fall into 4 times. On this we must not forget when you are designing a system for lighting plants. Lit surface also depends on the angle, what under the covers this surface. For example: the solar disk on a summer day, lying high in the sky, forms on the planet’s surface brightness is several times greater than the solar disc, low-hanging over the horizon on a winter day. If you use to cover plants such as lamp floodlights (flood), it tends to light was oriented perpendicular to the plants.


Hydraulic Cylinders

Hydraulic cylinders are an integral part of modern industrial equipment All work of this movement of bulky equipment such as earthmoving and road vehicles, should be implemented with a high degree of accuracy and dynamics, especially in e-governance. Working motion hydraulic excavator carried out by means of hydraulic cylinders. Arrow up of two hydraulic cylinders. At Miami Condos you will find additional information. Handle and shovel move a hydraulic cylinder. Depending on the size of the machine design pressure in the hydraulic cylinders up to 160 320 bar. During operation, when static loads are added to the dynamic load (sudden changes in direction traffic load during loading and unloading of the bucket and other), individual pressure peaks can be several times higher than the calculated values.

In these circumstances, hydraulic cylinder design work, and especially the quality of its production is very important. Welds head and cylinder base with a cylindrical housing demand from the applied welding process is very high quality and reliable welding. In most cases, the annular sutures are in the section of U – shaped profile. Centering surface, made boring, so that the exact form of landing and serve as substrates root welds. Because housing is machined (with a tolerance H8), providing direction of movement of the piston, then the root joint requires a minimum of penetration (depending on the design – 1.5 3 mm). During welding, the spigot has melted, leaving a clean surface treated boring. For welding use various methods to ensure the implementation of the above requirements with high performance.


Heaters Steam-

Steam water heater designed to heat the water in heat networks, systems, hot water and heating with saturated steam from the steam or low pressure steam boilers. Manufactured solar nn steam-water in accordance with gost 28679-90 "heaters steam-heating systems. Construction and principle of the steam-water heater (pp) steam-water heater is used in heating, operating in temperature conditions 150-70, 130-70, 95-70 and serves to heat the heater nn network of water vapor for use in heating and hot water supply systems of various buildings. Represents steam water heater shell and tube heat exchanger is a horizontal type (heater PP), the basic units which are: * body * heater pipe system, heater * Front and rear (floating) Water heater chamber, the housing cover * heater. Assembling the basic units of steam-water heater paragraphs by using split-flange connections, providing the possibility of preventive inspection and repair heater pp. The heated water in the water / steam heater moves over the tubes, and heating steam through a pipe in the top of the heater Nos. enters the annular space heater in the which establishes the segmental walls, directing traffic flow in the steam heater pp. Heating steam condensate in heater water / steam flows into the lower part of the body and is discharged from the heater. Accumulate in the heater pp permanent gases (air) is discharged through the pipe on the unit. Steam-heaters are made of the following types: FG1 – podogrevateliparovodyanye with elliptical bottoms; FG2 – steam-heaters with flat bottoms.


Power Generators

Generator (from Lat. Generator – maker) – a device that produces succession products (eg, ice maker, steam generator, gas generator), generating electrical energy (eg, electrical, thermal emission, magnetohydrodynamic.) or generate electricity, light, electromagnetic or sound – vibrations, pulses (such as radio, the quantum, the ultrasonic generator). Power plant (Power Plant) – a collection of plant, equipment and apparatus designed specifically for playback of electrical energy. Power plants are used in industry, construction, agriculture, commerce, etc. They can be as basic source of power and emergency backup. Diesel generators (gensets) – mini power plants that run on diesel fuel. Units produced both an air and with water (liquid) cooling.

Power Generators from 5 kva to 3000. Diesel generators can produce single-phase electric current is 220V and 380V three-phase current. Apply mainly for backup, seasonal or emergency power supply of domestic or industrial facility. Scope: country houses, cottages, a garage, construction site, oil and gas industry, etc. Gasoline Generators (GASOLINE) – this power, operating on gasoline. Generators are divided into single-and three-phase, 2-stroke and 4-stroke. Can serve as a source of primary or backup power. gasoline enforced by moe, road-repair stations, construction sites, to provide electricity on-site facilities of trade, the average urban apartment or a small country house.

gasoline serve as a source of electricity for household appliances and professional tools (eg, drills, drills, construction equipment, compressors): Gas power plant (gas generating) work propane-butane mixtures, natural and industrial gases. Produced a model of small, medium or large capacity from 4.2 kW to 2 mw. Gas generators are necessary to fully comply with environmental standards. Gas plant used as a backup or a permanent power source. Power plants are used to supply electricity to homes, towns, industrial facilities, residential and administrative buildings, etc.


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