SU1354057A1 - Device for sampling liquid metal - Google Patents

Abstract

The invention relates to equipment for monitoring technological parameters of metallurgical production. The purpose of the invention is to simplify the design and improve the processability of the process. The device contains a sampling body, in the lower part of which a refractory cap is fixed with a sampling tube, a compensation washer and a protective cap, it also contains a probe with a spring-loaded rod coaxially located in it. The sampling body is made in the form of half-clauses with oLora points in the hinges located on the rod and points of application of forces on the surfaces of the support collar and the tapered bore of the sleeve installed in the lower part of the rod. The sample enters the mold through the sampling tube and with the help of the probe is removed from the selection zone. When moving the rod downward, the half-tiller, with its upper part, abuts the collar of the sleeve and opens, freeing the selected sample. 3 il. (L 00 cd 4 O ate

Description

one

The invention relates to equipment for monitoring technological parameters of metallurgical production.

The purpose of the invention is to simplify the design and improve the technological process.

Fig. 1 shows a device for sampling a liquid metal; FIG. 2 is a schematic depiction of half-cooperatives; in fig. 3 - the same, in the open position.

The device comprises a probe 1 with a rod 2 attached to it, terminating in a sleeve 3 with a tapered version 4 and support collar 5, a rod 6 with a spring 7, connected at one end to a reciprocating actuator 8 and carrying at the opposite end a lever tee half-tillers 9, having the ability to rotate on the axis x 10, the disposable protective element is a card

In the lower part of the sleeve there is a refractory cap in the form of a plug 12 with a sampling tube 13, a compensation washer 14 and a fusible safety cap 15e. The upper part of the cardboard sleeve and the rod and probe connection are protected by a refractory screen 16,

The levers of the half-tiller in the initial position form a closed cavity 7, which is a form for ot-. metal sample casters.

The device works as follows.

The probe 1, which is a part of the automated manipulator, in the initial position stops at the service platform, where the disposable elements of the one-time use of the sleeve 1 are installed and removed. At the same time, the actuator 8 for moving the rod 6 is disconnected. The spacer spring 7 holds the rod 6 in the upper position, fixing the levers of the half-tandem 9 in the conical connection. Reactions to the component compressive forces of the spring 7 applied at diametrically opposite points of the conical connection of the sleeve 3 with the tapered bore and the conical parts of the lever semi-composite 9 (conical part of the resulting mold), directed to the plane of the connector, keep them from turning in the hinges with

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axles 10, providing a centered fixation of the double mold with a closed cavity 17 for casting.

On rod 2 push element I1 b

single use all the way

the end of the double mold into the compensation washer 14, the diameters (outer sleeve 3 and inner paper sleeve P) ensure a tight fit of the element 11 on the rod 2, and the compression washer seals the connection of the sampling tube 13 with the cavity 17 for casting, known immersion method in the melt take the sample and return the probe 1 to its original position. Moving the element 11 upward, destroying or extruding the refractory plug 12, Element 1 1 reamer; is located at a distance from its lower end to the end of the sleeve 3 of the rod 2, in order to bring the double mold from the cardboard sleeve. After that, the drive 8 is turned on, which, overcoming the resistance of the spring 7 and the friction force in the conical joint, pushes the rod 6 down together with the mold. When the levers of the half-tilters touch 9

30 by the support surface of the collar 5 of the sleeve 3, the moving rod 6 rotates them in swivels with the axles 10, releasing the sample casting which with the plug 12, the tube 13 and the washer 14 under the force of gravity falls into the receiver of the pneumatic mail. Turns off the actuator 8. Under the action of the spring spring 7, the stem 6, moving up, fixes the levers of the half-taller 9 in the tapered connection of the rod sleeve 2, The used element 1 is pulled off the rod 2 and a new one is installed in its place. Protection of mating surfaces

The movable parts of the device are implemented by using a compensation washer made of asbestos installed on the refractory stopper of a known disposable element and intended to seal the transition from the sampling tube in the closed cavity of the double mold.

The introduction of the proposed device will allow automating the process of sampling from crucible-buckets of out-of-furnace processing plants, will increase its accuracy and will allow for the adjustment of chemical composition by

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carbon, manganese and aluminum without increasing the processing time.

Claims (1)

Invention Formula A liquid metal sampling device containing a sampling body with a bottom cover and housing, and a probe connected to the sampling body with a spring-loaded stem, which, in order to simplify the design and improve the manufacturability of the 54057 The process, the sampling unit is made in the form of two half-womens, each of which is pivotally mounted on the rod so that it can be rotated, the rod is equipped with a sleeve, fitted with a tapered bore in the lower part and a collar, and the lid is equipped with a compensation washer and a sampling 10 tube, while the sampling unit is installed in the sleeve opening with the possibility of vertical movement against the stop into the sleeve sleeve. 73 Fi-g Phage. 2 Editor And, Gorna Compiled by L, Nechyparenko Tehred M. Khodanich Proof-reader V. But ha Order 5685/37 Edition 776 VNIIPI USSR State Committee for inventions and discoveries 113035, Moscow, Zh-35, Raushsk nab., 4/5 Production and printing company, Uzhgorod, ul, Proektna, 4 Fig.Z Subscription