SU1032300A1 - Device for drying pottery - Google Patents

Description

1 The device belongs to the porcelain industry of the light industry and is designed for high-speed drying of ceramic products, such as porcelain and fancy products such as plates ,. A device for drying pottery (tableware) containing a cabinet with holes in the bottom, the size of which corresponds, is known. the size of the products to be dried, and the channels through which heat carrier flows through the cabinet and passes into the upper part of the cabinet with great speed lj The static pressure of the carrier on the upper wall of the cabinet depends on its area and the speed of the heat carrier. The heat carrier accumulated in the upper suit of the cabinet / changes the trajectory of movement and through the distributor uniformly washes the surface of the dried products, thus ensuring their uniform drying. But for high-quality and fast drying of ceramic products, the intensity of drying of individual parts of the product should not be the same. Therefore, with a further increase in the rate of drying with the use of this device, the destruction of the dried products occurs. In addition, this device provides a radially directed contact of the coolant with the product to be dried, which leads to a large consumption of coolant. The closest to the present invention is a device for drying ceramic products, which contains a drying cabinet with an injection and suction chamber, to which corresponding nozzles are arranged concentrically, and a chain conveyor passing through the cabinet, with carriages with sockets fixed on the chain. for molds bearing articles. The output end of the injection nozzle can be equipped with blades that swirl the flow of heat carrier 2 ,. Such a device is intended solely for drying hollow ceramic products and cannot be used for drying flat products. Outdoor air leaks cause increased consumption of heat transfer media. As the device is used for final drying of already removed from forms 00 and pre-dried products, this requires the inclusion of additional overloads in the line. Drying lips with such nozzles are bulky and energy-intensive. The purpose of the invention is to accelerate the drying process and protect the edges of plaster molds from destruction. This goal is achieved by the fact that in the device for drying the 4-x-product package containing a drying cabinet with an injection and suction chambers, to which the corresponding nozzles arranged concentrically are connected, and a chain conveyor passing through the cabinet, the carriages with sockets are attached to the chain. for molds carrying articles, the injection nozzles are provided with guide baffles installed at an angle of 30-4 to the axis of the nozzles, and each carriage is provided with a shell located coaxially with the nozzles and is made. duct for external air suction. FIG. 1 shows schematically the proposed device; FIG. 2, FIG. 2, FIG. one; FIG. 3 is a section BB in FIG. t. The device contains an infinite chain-moving horizontal chain conveyor 1, on the links of which the carriages 2 with sockets for forms 3 are supported from carriers, the hot air preparation system 5, the drying cabinet 6 with discharge 7 and the suction 8 chambers from which waste t concentratedly located injection 9 and 10 suction nozzles. Inside the nozzles 9, guide walls 11 are installed at an angle to their axis. On the carriages 2 there are shells 12 arranged coaxially with the nozzles 3 and 10. Channels 13 are made for suction of external air. The proposed device works as follows. The molded article k on the mold 3 is conveyed by the conveyor 1 to the first drying position in the drying cabinet 6. The number of drying positions depends on the required capacity of the device. The coolant from the systems of) 5 preparation of hot air through the chamber 7 enters the injection nozzles 9, which direct

heat carrier fluxes on the outer surface of the products 4, moreover, inside the nozzles 9 negotiators. t1 ekrutvamt heat carrier, thereby increasing its contact with the surface of products. The best-quality contact ensures that when the partitions t are placed at an angle of 30 tS to the nozzle axis. The shells 12 placed on the carriages 2 eliminate 1 the heat carrier flow from the kt products. Carriages 2 are made from the cd a and 13 for suction of outside air cooling the unprotected edges of the forms 3 and preventing. so their destruction. Exhausting the coolant and the outside air through suction nozzles 16 and chamber 8 are returned to the preparation system 5, and the excess mixture is released into the atmosphere. Product

, moving sequentially, from position to position, is dried, for example, to a solid state, and falls into the position of removal of the product from the forms 3 where the nataamer is discharged,

With a suction device with vacuum suckers of known construction, the Shapes 3 remaining in the carriages 2 move through the section of the drying scale

Phase 6 at position and drying the forms 3 (not shown), and then at the forming position, and the whole cycle is repeated.

In this way, the rms increase in productivity as a result of C1, by reducing the product drying time by more than 2 times, the energy consumption is reduced, with the same productivity, the production areas are released by more than 50 and reduced

the number of forms used is more than 10 times.

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Claims (1)

DEVICE FOR DRYING CERAMIC PRODUCTS, containing a drying cabinet with discharge and perfume! drying and protecting the edges of the gypsum molds from destruction, the injection nozzles are equipped with guide baffles installed at an angle of 30-45 ° to the axis of the nozzles, and each carriage is equipped with a shell located coaxially with the nozzles and is made with channels for suctioning outside air.