CN201952482U - Heating-purging device on copper and copper alloy bright annealing furnace - Google Patents

Abstract

The utility model discloses a heating-purging device arranged on a copper and copper alloy bright annealing furnace. The heating-purging device comprises a thermal cycling fan installed at the upper part of the annealing furnace. An air deflector is installed below the thermal cycling fan, and a delivering roller is installed below the air deflector. The heating-purging device also includes: a purging inlet pipe, a purging outlet pipe, a rack and a position sensor, wherein lateral surfaces of one ends of the purging air inlet pipe and the purging air outlet pipe, outside the furnace body, are respectively connected with an air inlet and an air outlet; both sides of the rack are respectively provided with a vertical hollow air inlet pipe and a vertical hollow air outlet pipe, wherein the purging air inlet pipe is connected to an air inlet of the vertical hollow inlet pipe, the purging air outlet pipe is connected to an air outlet of the vertical hollow outlet pipe and the tops of the vertical hollow air inlet pipe and the vertical air hollow outlet pipe are respectively connected with a hose; and the position sensor is installed below a roller way. The heating-purging device can be used for removing oil stains in a red copper, brass, bronze or white copper alloy coiled pipe, to realize bright annealing.

Description

Heating-blow device on a kind of copper and the copper alloy bright annealing oven

Technical field

The utility model relates to a kind of copper and copper alloy heating-blow device, relates in particular to the heating-blow device on a kind of copper and the copper alloy bright annealing oven.

Background technology

At present copper and the employed annealing furnace of copper alloy clean annealing are generally stove or network chain stove at the bottom of pit furnace, Bogie hearth furnace, the continuous roller.Problems such as pit furnace and Bogie hearth furnace generally adopt radiation heating and once adorn the interruption mode of operation of a furnace charge, exist annealing temperature inhomogeneous, and the annealing cycle is long, and production efficiency is low.Stove or network chain stove adopt the mode of working continuously at the bottom of the continuous roller: furnace charge enters from an end of stove, through intensification, insulation, quench cooled, come out of the stove at last, whole technological process is a successive, the subject matter that adopts the annealing of this kind type of furnace to exist is: purge function in not possessing, can't carry out clean annealing to high-quality coil pipe.

The utility model content

In view of this, the purpose of this utility model provides the heating-blow device on a kind of copper and the copper alloy bright annealing oven, and it is applicable to the clean annealing of red copper, brass, bronze, copper-nickel alloy alloy coil pipe.

Above-mentioned purpose realizes by following proposal:

Heating-blow device on a kind of copper and the copper alloy bright annealing oven, it comprises the thermal circulation fan that is installed in described annealing furnace top, below described thermal circulation fan air deflector is installed, and below described air deflector conveying roller is installed, it is characterized in that described heating-blow device also comprises:

Purge inlet pipe and purge escape pipe, described purging inlet pipe and purging escape pipe insert in the body of heater from the both sides of described annealing furnace, described purging inlet pipe and the end side surface of purging escape pipe outside body of heater are connected with inlet mouth and air outlet respectively, on described purging inlet pipe, be connected with the telescopic cylinder of supplying gas, on described purging escape pipe, be connected with the telescopic cylinder of giving vent to anger;

Bin, it is positioned on the described roller-way, described bin both sides are separately installed with vertical hollow inlet pipe and vertical hollow escape pipe, have inlet mouth and air outlet in described vertical hollow inlet pipe and vertical hollow escape pipe bottom, described purging inlet pipe is connected on the inlet mouth of described vertical hollow inlet pipe, described purging escape pipe is connected on the air outlet of described vertical hollow escape pipe, is connected with flexible pipe respectively at the top of described vertical hollow inlet pipe and vertical hollow escape pipe;

Be used to survey the position transducer of described bin position, it is installed in described roller-way below.

According to above-mentioned heating-blow device, it is characterized in that, electrothermal radiation tube also is installed in the described annealing furnace.

The beneficial effects of the utility model: adopt this heating-blow device, can realize the clean annealing of red copper, brass, bronze, copper-nickel alloy alloy coil pipe.The product that obtains has annealing efficiency height, low, the annealing temperature advantage of uniform of energy consumption.

Description of drawings

Fig. 1 is the structural representation of heating-blow device of the present utility model.

Embodiment

Referring to Fig. 1, heating-blow device on copper of the present utility model and the copper alloy bright annealing oven comprises thermal circulation fan 4 and the electrothermal radiation tube 3 that is installed in annealing furnace 1 top, air deflector 5 is installed below thermal circulation fan, conveying roller 8 is installed below air deflector 5, and conveying roller 8 usefulness motors 15 drive.

Purge inlet pipe 11 and purge escape pipe 14 and insert in the body of heater from the both sides of annealing furnace 1, purge inlet pipe 11 and purge the end side surface of escape pipe 14 outside body of heater and be connected with inlet mouth 18 and air outlet 19 respectively, on purging inlet pipe 11, be connected with the telescopic cylinder 16 of supplying gas, on purging escape pipe 14, be connected with the telescopic cylinder 17 of giving vent to anger.Supplying gas has air outlet 21 and inlet mouth 20 on the telescopic cylinder 16, and air outlet 23 and inlet mouth 22 are arranged on the telescopic cylinder 17 of giving vent to anger.

Bin 7 is positioned on the roller-way 8, bin 7 both sides are separately installed with vertical hollow inlet pipe 24 and vertical hollow escape pipe 25, have inlet mouth 12 and air outlet 13 in vertical hollow inlet pipe 24 and vertical hollow escape pipe 25 bottoms, purging inlet pipe 11 is connected on the inlet mouth 12 of vertical hollow inlet pipe 24, purge escape pipe 14 and be connected on the air outlet 13 of vertical hollow escape pipe 25, be connected with flexible pipe 28,29 respectively at the top of vertical hollow inlet pipe 24 and vertical hollow escape pipe 25; Position transducer 10 is installed in roller-way 8 belows.

The principle of work of this device is:

Coil pipe 6 is transported to specified location by roller-way 8 and motor 15, thermal circulation fan 4 extracts heated nitrogen or nitrogen-hydrogen mixed gas the air channel, both sides in stove, to blow out through the nitrogen-hydrogen mixed gas of electrothermal radiation tube 3 heating, gas sprays to coil pipe 6 via air deflector 5, strengthens Convective Heat Transfer.The gas that sprays to coil pipe 6 flows to the air channel of being made up of air deflector 5 and furnace lining 2 via the bin bottom, is heated once more by electrothermal radiation tube 3 in the air channel, and heated air-flow is sucked and spray to coil pipe 6 once more by blower fan, coil pipe 6 is heated.Circulation so repeatedly.Meanwhile, position transducer 10 is surveyed the charging tray position, outer interior purging air supply plant 11 gas ports 12 that are subjected to automatic and on the interior bin of stove of stove are connected, the head of gas barrier 14 is connected with bin venting port 13, sweep gas is blown into nitrogen or nitrogen-hydrogen mixed gas by the wind-guiding pipeline on the bin to coil pipe 6 internal surfaces, coil pipe 6 inwalls are cleaned, and sweeping gas discharges out of the furnace by interior purging gas barrier 14 and venting port 19.

Claims (2)

1. heating-the blow device on copper and the copper alloy bright annealing oven, it comprises the thermal circulation fan that is installed in described annealing furnace top, below described thermal circulation fan, air deflector is installed, below described air deflector, conveying roller is installed, it is characterized in that described heating-blow device also comprises:

Purge inlet pipe and purge escape pipe, described purging inlet pipe and purging escape pipe insert in the body of heater from the both sides of described annealing furnace, described purging inlet pipe and the end side surface of purging escape pipe outside body of heater are connected with inlet mouth and air outlet respectively, on described purging inlet pipe, be connected with the telescopic cylinder of supplying gas, on described purging escape pipe, be connected with the telescopic cylinder of giving vent to anger;

Bin, it is positioned on the described roller-way, described bin both sides are separately installed with vertical hollow inlet pipe and vertical hollow escape pipe, have inlet mouth and air outlet in described vertical hollow inlet pipe and vertical hollow escape pipe bottom, described purging inlet pipe is connected on the inlet mouth of described vertical hollow inlet pipe, described purging escape pipe is connected on the air outlet of described vertical hollow escape pipe, is connected with flexible pipe respectively at the top of described vertical hollow inlet pipe and vertical hollow escape pipe;

Be used to survey the position transducer of described bin position, it is installed in described roller-way below.

2. heating-blow device according to claim 1 is characterized in that, electrothermal radiation tube also is installed in the described annealing furnace.

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