SU1032044A1 - Bath for pickling elongated products - Google Patents

Abstract

BATH FOR ETCHING OF LONG-DIMENSIONAL PRODUCTS, containing the body, cover made of upper and lower parts, and seal made in the form of a water seal and flexible diaphragm, characterized in that, in order to reduce operating costs, the cover at the ends is provided with cameras with a filler, moreover The chambers are provided with slots for the passage of articles, the lower part of the lid is made of trays installed with a slope towards the chambers, and in the trays there are holes arranged above the slits of the chambers.

Description

Isbretenie refers to the descaling of the metal surface, namely, devices for cleaning long materials, such as wires, tapes, threads, etc., in a continuous manner in baths with solutions of acids and alkalis.

A device for liquid processing of a wire containing a solution bath, a transport mechanism, a mechanism for immersion in a solution is known.

This design does not provide a system for limiting the emission of harmful vapors into the workshop room. Closest to the proposed software of the technical essence, is a device for liquid treatment, containing a bath with a lid, a hygroscopic valve and an elastic diaphragm. .

The curls of the bath are composed of the lower and upper parts. Moreover, the upper part of the lid is provided with a C 2 vent.

This design of the bath increases the energy flow, as it does not allow the use of ventilation during the operation of the bath. This is due to the fact that the cover is not sealed at the point where the products enter the bath and in Mecte they leave the bath i. at the ends of the pickling bath. Lack of ventilation would result in the release of harmful fumes into the atmosphere.

The known design does not allow the use of condensate for washing products in the pickle itself, since only a small fraction of the condensate flows down the top of the lid and replenishes the supply of fluid in the hydraulic seal. Great. part of the condensate is returned to the bath, not the work performed.

In a known construction, the flow rate of the solution, since it does not provide for devices that limit the removal of the solution from the bath with the products being treated, and also does not provide a device for removing hydrogen bubbles from the surface of the products. Bubbles are formed by etching the metal.) And, the diffusion of B metal, causes hydrogen fragility, which reduces the quality of the finished product.

All of the above disadvantages increase operating costs.

The purpose of the invention is to reduce operating costs.

This goal is achieved by the fact that in a bath for etching of long products, comprising a body, a lid made of upper and lower parts, and a seal made in the form of a hydraulic seal and an elastic diaphragm, the roof of the end faces is provided with

the chambers have slots for the passage of products, the lower part of the lid is made of trays installed with a slope towards the chambers, and in the trays there are holes placed above the slits of the chambers.

Chambers with filler and slots for the passage of products along the ends of the lid are sealed at the points of entry and exit of products. This makes it possible to reduce energy consumption by avoiding ventilation of the bath during its operation. ,

  Trays with holes, installed with a slope towards the chambers, allow the condensate to be used for washing the products before the products enter the pickling solution and after they leave the solution.

Condensate washing of products before tugging improves this process, since the product enters the pickling solution with less contamination, and rinsing after the release of pickling solution products will reduce the costs of water: during the subsequent washing operation of products after pickling.

This also increases the reliability of the sealing of the lid due to the fact that the condensate fills the gaps between the filler and prevents the dislodging of harmful vapor outside the bath.

Chambers with a filler in the place of exit of products from the bath reduce the removal of an expensive solution from the bath. In addition, the quality of the processed products aa is improved by removing hydrogen bubbles from the surface of the products and preventing the occurrence of hydrogen embrittlement.

The presence of a chamber with a filler at the entrance of the product into the bath also allows pre-cleaning of the Products.

FIG. 1 shows the proposed device, a general view; - FIG. 2 shows a section in FIG. one; FIG. 3 is a sectional view in FIG. I 1.

The etching bath for long products includes a housing 1 filled with an etching solution 2, and a cover 3, which seals the housing 1 with an elastic seal 4 and hydroelectric valve 5. The hydraulic lock 5 is formed by a groove b, made in the housing 1, and the rib 7 is rigidly connected with krshzhoy.3. The groove is filled with water 8, and a drain hole 9 is provided to prevent water from overflowing the groove.

The cover 31 is made up of the upper part 10 and the chutes 11. At the ends of the cover are placed chambers 12 with slots 13 for the passage of long products 14, Chambers 12 are filled with filler 15, which seals the bath at the points of entry and exit of products 14

The trays 11 are installed with a slope towards the chambers 12, they have holes 16, which are located above slots 13. A heater 17 is placed inside the housing 1 to heat the pickling solution 2.

 provided with a vent. 18 with a rotary shutter 19. For loading and replacing the fillers 15, there is a crunch 20,

The device works as follows. . V..,, ./.

The processed article 14 is drawn through the pickling solution 2, which is heated by the heater 17. At the same time, the subtlet 19 closes the vent, the nozzle 18 and the resulting vapor condenses on the coolant of part 10 of the cover 3. Cooling of Lrpacks can be exposed to air. nv4 water nimi, etc. (not shown)

The treated condensate gets into the trays 11 and through the holes 16; flowing to the drive 15 in the vicinity of gay 13, which pass the processed Parts 14. At the same time, the products are washed: with condensate both before entering them in pickling, thief 2, and upon leaving the solution. .

Then the condensate flows into the water seal 5, and the excess condensate through. drain holes 9 fall into the solution 2;

When draining condensate into chambers 12, the gaps between the filler 15 are filled with condensate, which improves the reliability of the bath sealing.

.5, at the moment of posting (filling) of products through the bath, the cover 3 rises (the lifting mechanism is not shown. When H. THOMES the valve 19 is rotated to the position indicated on the drawing; the dotted line connects the connecting pipe 18 to the ventilation and the safety valve 3 plays a role, exhaust cap.

 The use of the proposed structure will make it possible to reduce energy consumption by eliminating ventilation. In the course of work, reduce the waste of water on washing products after pickling due to

condensate for washing products after 2Q le product release from pickling

a solution (etching and pre-rinsing in one bath); to increase the quality of products due to ud; laziness from the surface of the products bubble 25 of hydrogen and prevent the occurrence of hydrogen embrittlement; reduce the consumption of removal of the pickling solution

product. ;

All this will significantly reduce operating costs during the operation of pickling baths. Expected economic effect from the introduction of one bath will be 1.25 thousand .. RUB.

Claims (1)

BATH FOR ETCHING LENGTH PRODUCTS, comprising a housing, a cover made of upper and lower parts, and a seal made in the form of a water seal and an elastic diaphragm, characterized in that, in order to reduce operating costs, the cover at the ends is equipped with cameras with filler, and slots for the passage of products are made in the chambers, the lower part of the lid is made of trays installed with a slope towards the chambers, and holes are placed in the trays located above the slots of the chambers.