Plant for entrapping vapor of baking chamber of baking oven and obtaining condensate
FIELD: baking industry.
SUBSTANCE: proposed plant includes trap hood and heat exchange cooling unit connected with it and mounted under it; cooling unit includes jacket with pipe line located over its center. Heat exchange cooling unit is used for forced circulation of cold air between jacket and pipe line inside it directing the flow in required direction: in cold season outside air is delivered and at hot season air from floor areas is delivered.
EFFECT: simplified construction; enhanced ecology; saving of water.
The invention relates to the field of bakery production and to the group of devices for vapor recovery.
It is known Device for vapor removal from the furnace chamber, baking ovens” avts No. 70418, class. And 21 In 3/04 from 24.03.47, This device is inclined to the planting hole branch pipeline involves the application of the input edges of the planting hole slit, connected by pipeline with the ventilation system, and the screen at the top of the inclined branch pipeline from the ventilation exhaust system.
However, this device is not capable of condensing the resulting vapors.
The closest to the essence of the present invention is a Device for continuous vapor recovery alcohol and other gaseous products” (Ed. St. No. 128829, CL 12 F 3/04 from 20.06.57 g), made in the form of columns of several bars installed in the meshed plates, dividing the gas flow, with a supply of water in the upper part of the column toward the movement of the gas mixture, with the use of the inlet cap at the bottom of the column and drain the glasses to bypass fluid from the plate on the plate, and the holes of the plates blocked by a grate carrier strip of elastic material, such as rubber, forming holes over simple valves to enhance the dispersion of the gas mixture by passing it through open the I plates.
But this device is very complex structures and ineffective for receiving condensate from the vapors of the furnace chamber.
The present invention is aimed at increasing efficiency, simplifying the design and improving the environment.
The purpose of the invention is achieved by the fact that the proposed installation of heat exchanger cooling device is mounted on the umbrella-wavicles and made of shirts, for example, a cylindrical shape with a pipe in the center of the shirt, with a forced circulation of cold air between them, and with the direction of flow in one direction or another depending on the time of year - during the cold period with outside air injection, and in the hot season, on the contrary, outdoor air out the room. Heat exchanger cooling device is installed with an inclination towards the exit of the condensate, and the discharge pipe is made with a hole in place of the drain into the container.
In the drawing 1 schematically shows a General view of the installation of vapour recovery furnace chamber, baking ovens and receiving condensate. The installation consists of an umbrella-trap 1 dome-shaped heat exchanger cooling device 2 with an inlet 3 and outlet 4 pipelines and tank 5 for condensate. The cooling device 2 consists mainly of shirts 6, for example, cylindrical, TRU is aprovada 7 and nozzle 8 and 9 for the discharge or exhaust cold air by means of, for example, a fan (not shown). And the discharge pipe 4 is made with a hole 10, for example, in the bend.
Setup works as follows. Umbrella-alaveteli 1 is mounted above the furnace chamber so that under it was about the maximum amount of vapor for bread production. And heat exchanger cooling device 2, consisting mainly of shirts 6 and line 7, have over the umbrella-trap 1, and connects them to the pipeline 3. Through the pipes 8 and 9 by using, for example, the fan in the cooling unit 2 pump cold outside air (cold season) or, on the contrary, the outdoor air (in summer) so that the pipe 7 has always been cold. Intending couples under the umbrella-trap 1 through the supply pipe 3 enters the pipe 7 and, there being cooled, condensed. Clean air exits through the discharge pipe 4 into the atmosphere, and the resulting condensate through the hole 10 spontaneously poured into the container 5, as all the cooling device 2 is installed with an inclination to this capacity. The process turns out to be continuous.
The proposed installation of simple construction. It is simple to produce and to mount on any bakery. The application of this installation, according to preliminary calculations and experiments, will allow the bakery every fifth CME is at work on the resulting condensate, saving water resources and other components, improving the environment.
Installation of vapour recovery furnace chamber, baking ovens and obtain a condensate containing a dome-shaped umbrella-wavetel, characterized in that it further comprises posted on umbrella-wavicle heat exchanger cooling device that includes a shirt, for example, cylindrical pipe, located at its center, a supply line connecting it with the umbrella-trap, and the discharge pipe, in which in place of the drain made a hole, and a reservoir for collecting the condensate, with heat exchanger cooling device made with the possibility of forced circulation of cold air between the jacket and the pipe by means of fans and pipes for supply and exhaust cold air with providing direction to flow in one direction or another so that the cold season is blown outside air, and in the hottest time of the year - outdoor air, and heat exchanger cooling device is installed with an inclination towards the exit of the condensate.
FIELD: heat power engineering.
SUBSTANCE: according to proposed method, inner pipe is fitted into outer pipe after shape-treatment of at least outer surface of inner pipe or inner surface of outer pipe, and after fitting inner pipe outer pipe, inner pipe is expanded to bring outer surface of inner pipe in tight contact with inner surface of outer pipe, and shape-treatment of surface forms at least one channel to reveal leakage between two pipes. Before fitting in pipes at least outer surface of inner pipe or inner surface of outer pipe is coated with layer of solder, for instance, tin, and inner pipe is expanded so that outer pipe also expands, and solder layer between inner and outer pipes is melted. Outer pipe is expanded so that melted layer of solder is forced out from space between inner and outer pipe at least intone channel to reveal leakage. Such heat exchange pipe contains assembly unit consisting of outer pipe and inner pipe fitted at tight contact in between and at least one channel to reveal leakage passing in contact surface and near the surface between inner and outer pipes. Thin film-like layer of solar material, such as tin, is provided in place of contact between inner and outer pipes which, owing to melting, connects with inner pipe and outer pipe, inner and outer pipes adjoining with displacement. Invention makes it possible to increase heat transfer to value equal to or practically equal to that of solid heat exchange pipe and channel to reveal leakage remains free from filling medium, thus providing accurate and reliable revealing of leakage.
EFFECT: improved reliability.
15 cl, 6 dwg
FIELD: water vapor condensation.
SUBSTANCE: devices for water vapor condensation in vacuum formed by a vapor ejector device with the use of air as a cooler, having sections of multirow condensers made in the form of tube bunches, and partial condensers made in the form of tube bunches, and a common condensate header, in each section each row of vapor condensers passing the cooling air, and which are made of equally spaced round-section tube bunches, is connected with the aid of transfer tubes or ducts to its own section of the row, not row installed above the rows of condensers and connected to the vapor ejector device, partial condensers also made of round-section tube bunches and equally spaced. Besides, for each row of condensers and the respective part of the row of partial condensers its own separate condensate header is made, that is connected to the common header through a hydraulic gate preventing any transfer between the rows, the relation of the surfaces of the condenser and the partial condenser in each section makes up 5:1, the total heat exchange surface of all the condenser rows is less than that required according to the rated conditions of condensation by 5 to 6%, and the value of the section of the transfer tubes or ducts makes up 9 to 12% of the value of the section of the respective partial condenser.
EFFECT: prevented formation of air locks in vacuum in the device for water vapor condensation, worsening of heat exchange, rise of pressure, acceleration of corrosion, freezing of tubes.