SU1250815A2 - Tunnel kiln tub - Google Patents

Description

143

The invention relates to the manufacture of ceramic products, and more specifically to the production of ceramic products fired in tunnel kilns, and is an improvement of the known device described in ed. St. USSR № 1059401.

The aim of the invention is to reduce the material consumption of the bottom of the trolley.

FIG. 1 shows the proposed trolley, a general view; Fig. 2 is a fire-resistant stone of a peripheral lining row.

The trolley consists of a metal platform 1 supported on two wheel pairs for movement along a track. The platform is equipped with profiled pillars 2 and 3, which serve to absorb the load of the fire resistant lining of the trolley made of concrete fire resistant blocks 4 and 5. The blocks 4 have protrusions 6 with which they rest against the external profiled racks 2. Such a structure holds the lining of the concrete stone bottom from spraying under the action of shocks and effort when traveling along a rail track. Between the pillars 2 and 3, a double heat insulating layer is laid, including the bottom 7 of the basalt fiber-insulated heat insulating plates on the clay bonding and the top 8 of the loose heat insulating material, for example, expanded clay, expanded perlite or vermiculite. Between concrete fireproof stones

Editor T. Parfenova

Compiled by T. Levitin

Tehred L. Serdyukova Proofreader E. Roshko

Order 4397/33 Circulation 561 Subscription

VNISHI USSR State Committee

for inventions and discoveries 113035, Moscow, Zh-35, Raushsk nab., 4/5

Production and printing company, Uzhgorod, Projecto st., 4

50815

liners put gaskets 9 of clay-fiber cardboard.

The proposed trolley design has the following advantages. For

5 prevention of the spread of concrete stones during the operation of trolleys is done by metal wrapping around the entire perimeter of the trolleys. At the same time metal lining on both sides

10 trolleys facing the burners gradually burn and burn out during the year, although the service life of a concrete flame resistant lining is at least two years. External device

15 rows of concrete blocks with protrusions for internal engagement of profiled struts, contributes to the creation of a rigid bottom lining design and does not require metal

20 ties.

In addition, the advantage of the proposed design is the arrangement of an additional upper heat insulating layer in the form of a bed of

25 expanded clay, expanded perlite or vermiculite, which have a higher temperature than basalt heat insulating plates. This makes it possible to make more subtle.

30 fireproof layer of concrete blocks, i.e. reduce the weight of the trolley and the consumption of expensive material.

Thus, the benefits described result in savings

35 metal and refractory during the operation of the trolley, and reducing the mass reduces its heat capacity and, consequently, the accumulation of heat of the bottom.

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Claims (1)

TUNNEL FURNACE TROLLEY by ed. No. 1059401, characterized in that, in order to reduce the material consumption of the bottom of the trolley, the insulating layer is additionally equipped with a layer of high-temperature bulk material laid on clay fiber boards. SU <„, 1250815 A 2