Heating apparatus for pickling tank

A heating device and pickling tank technology, applied in the field of heating devices, can solve the problems of uneven heating, affecting the effect of pickling, inconsistent temperature of pickling solution, etc., and achieve the effect of preventing dry burning and reducing damage rate

Inactive Publication Date: 2014-10-08
扬中市盛华电热电器厂
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0003] The pickling tank needs to be heated during the working process to keep the temperature constant within a certain range. The existing pickling tank heating devices are all built in the pickling tank. In large-scale The effect in the pickling tank is not good, and the temperature of the pickling solution is inconsistent due to uneven heating, which ultimately affects the pickling effect

Method used

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  • Heating apparatus for pickling tank

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Embodiment Construction

[0013] As shown in the figure, a heating device for a pickling tank includes a heating box 1, an anti-acid heating pipe 2 and a PLC controller 3, the heating box 1 is provided with a water inlet 4 and a water outlet 5, and the outlet The water outlet 5 is located below the water inlet 4, a water pump 6 is connected to the water inlet 4, a water outlet pipe 7 is provided on the water outlet 5, and a plurality of mounting holes 8 are provided on the top of the heating box 1, The anti-acid heating tube 2 is inserted and fixed on the installation hole 8, and is vertically arranged in the heating box 1. The distance H1 between the bottom end of the acid-proof heating tube 2 and the bottom of the heating box 1 is 1-2.5cm, the anti-acid heating tube 2 includes a tube body 9 made of tetrafluoro material, the tube body 9 is provided with a lead rod 10 and a resistance wire 11, and the length L1 of the lead rod 10 is equal to the length L1 of the resistance wire 11 The ratio of the leng...

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Abstract

A heating apparatus for a pickling tank comprises a heating box, acid-proof heating pipes and a PLC controller; the heating box is provided with a water inlet and a water outlet, and the water outlet is disposed below the water inlet; the water inelt is connected with a water pump; the water outlet is provided with a water outlet pipe; the top of the heating box is provided with a plurality of installation holes; the acid-proof heating pipes are fixedly disposed on the installation holes in an insertion manner and is vertically arranged in the heating box; each acid-proof heating pipe comprises a pipe body prepared from polytetrafluoroethylene material, and the pipe body is inside provided with a drawing-out rod and a resistance wire; a liquid-level sensor and a temperature sensor are arranged on the heating box; the liquid-level sensor is arranged at a same horizontal plane with the connection point of the drawing-out rod and the resistance wire; and the liquid-level sensor, the temperature sensor, the acid-proof heating pipes, the water pump and the PLC controller are in electrical connection. The heating apparatus is simple in structure and convenient to operate, helps to substantially improve the heating efficiency, enable a pickling solution to heated uniformly and increase the pickling effect.

Description

technical field [0001] The invention relates to a heating device, in particular to a heating device for a large pickling tank. Background technique [0002] The pickling tank is a container used to hold the aqueous solution and remove the metal surface film during the pickling process of the workpiece. It is suitable for the capacitor industry and is widely used in industrial pickling industries such as metallurgy and electroplating. It is mainly used for pickling on the surface of various copper and aluminum metals such as titanium-nickel alloy and stainless steel. It can remove oil, rust, scale, corrosion, and fog, and promote the removal of stubborn scale, especially for hot rolling. , annealing, tempering process generated high temperature difficult to remove scale, greatly shorten the cleaning time, while preventing the generation of hydrogen embrittlement; suppress the generation of smoke, greatly improve the production environment; greatly reduce the corrosion rate of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23G3/00
Inventor 丁兆军
Owner 扬中市盛华电热电器厂
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