CN2412673Y - Coiled pipe inner wall residual oil purging device - Google Patents

Abstract

The utility model relates to a residual oil purging device of a spiral pipe inner wall, which is formed by the organical combination of a connecting part, a quick joint and a special material tray by a rollgang and diaphragm control. The utility model provides a new product without purging process requirement for an air conditioner manufacturer and a freezing machine manufacturer. The utility model is an ideal device for purging the inner wall residual oil of a metal spiral pipe.

Description

A kind of spiral tube inwall Residual oil blow device

The utility model relates to the device that spiral tube inwall Residual oil is removed.

From the data of grasping, do not see the domestic similarly relevant copper pipe inwall Residual oil blow device that spirals, and the actual example that uses of device.Though the report of this respect is abroad arranged, to use on existing at home copper pipe heat-treatment furnace very difficultly, matching requirements is placed the air duct that crawls in stove, must transform body of heater for this reason, needs writing to invest.But the air duct that crawls heats oil extraction gas, to the little connector of document introduction in addition of the copper pipe inwall oil residues purging effect of diameter 9-20 millimeter is that snap joint does not have versatility, its clamping device need pass through hole with ropy and bundle, inconvenient operation, and need to consume a large amount of ropies.Jockey and jointing, complex structure at high temperature use easy break-down.

A large amount of thinner copper pipes of diameter that use in China's air-conditioning and the used for refrigerator heat exchanger are made refrigerant owing to abolishing with fluorine Lyons at present, and new refrigerant requires to reduce significantly the content of Residual oil in the pipe.China is in heat-treatment furnace at present, and the technology that the copper pipe inwall Residual oil that spirals is purged still belongs to blank.This patent is about the development and the exploitation of the copper pipe inwall Residual oil blow device that spirals, and to adapting to refrigerator manufactory replacement fluorine Lyons, providing for the makers' no matting of air conditioner is corresponding may.

The purpose of this utility model is, the device that domestic demands purge spiral tube inwall Residual oil, device is not provided with snakelike air duct in heat-treatment furnace, it is arranged on the charging tray of placing the copper pipe that spirals, it promptly be give, discharge duct, be again the support of charging tray, adopt snap joint easily, do not need to pass through hole and bundle with ropy, attaching parts and jointing, simple in structure.

The concrete structure of utility model is provided by following embodiment and accompanying drawing thereof.

Below in conjunction with accompanying drawing 1,2,3,4,5 its detailed structure of explanation and working conditions.

Vertical section schematic diagram when Fig. 1 represents that continuous copper pipe heat-treatment furnace purges.

Fig. 2 represents to send, exhaust outlet part, and interconnective with gas transmission main channel (being arranged on the charging tray), the attaching parts part sectioned view.

The snap joint sectional drawing of Fig. 3 terminal pad coil and exhaust main channel.

Fig. 4 band send, the special charging tray sketch drawing of exhaust main channel.

Fig. 5 is for implementing to reduce the new Equipment for Heating Processing sketch of Residual oil in the pipe.

Vertical section schematic diagram when the continuous copper pipe heat-treatment furnace that Fig. 1 is represented purges below describes.Part 1 is the stove that the copper pipe that spirals is heated, and part 2 is the copper pipes that spiral, and two rows are placed on the charging tray side by side.Part 3 charging trays are used for placing the heated copper pipe that spirals.Oil extraction gas main channel is arranged on the charging tray, it be give, discharge duct, be the support of charging tray again.The plinth of part 4 oil extraction gas main channels is arranged on the charging tray, is the interface that is that oil extraction gas enters the main channel.Part 5 attaching parts, with the plinth crimping of part 4 oil extraction gas main channels, the oil extraction pneumatic transmission that stove is outer is in the oil extraction gas main channel that is arranged on the charging tray.Part 6 rollgangs, material conveying usefulness, charging tray is operation continuously on roller-way, by grating charging tray is positioned at purge position, charging tray is out of service, part 5 and part 4 crimping, and oil extraction gas enters the main channel, because the main channel is heated in stove, when oil extraction gas passed through the main channel, very fast quilt had given heat.This is because oil extraction tolerance is very little, and the heat that is given the heat needs is also very little.If purge and once use 10 minutes, gas consumption only is the 5-10 cubic meter, and it is elevated to the used heat of 400 degree is 2720-5440KJ.The thermal content that only is equivalent to 400 kilogram of 5-30 when spending steel.Part 7 is flexible pipes of connecting source of the gas.Part 8 is bracing frames, is used for the support and connection parts.Part 8 is fixed on the stove.

The following describes attaching parts shown in Figure 2, part 4 plinths are fixed on the charging tray, and it is big horn mouth guiding external member 9 that its endoporus is equipped with front end, is convenient to when link position has deviation joint be imported.Part 10 globe joints, center are that through hole one end is connected with part 11 flexible pipes.When globe joint and part 4 plinth crimping, form tight contact-making surface between spherical and the seat, when high pressure oil extraction gas by the time maintenance do not reveal.Movable ejector sleeve spare 12, drivening piece 10 globe joints move ahead, and part 11 flexible pipes freely swing part 10 globe joints within the specific limits, part 9 and part 10 crimping smoothly when link position has deviation because joint can freely swing.Part 13 gib blocks operate steadily part 12.14 communicating pipes of part.Part 15 supports and black boies, and this part is used for the support and connection parts, and when attaching parts moves, the gap sealing between maintenance attaching parts and the body of heater was air tight.Part 16 cylinders are used for promoting attaching parts and seesaw.17 communicating pipes of part, part 18 conduits are provided with on the stove side wall, and the support and connection parts make attaching parts even running in conduit.

Be welded with the communicating pipe 14 of the collar 33 and communicating pipes 17 welding that is welded with the collar 32, the flexible pipe spare 7 of connecting source of the gas is contained on communicating pipe 17 by joint 24, communicating pipe 17 is connected with cylinder 16 by joint at last, communicating pipes 14, the place ahead was welded with part 11 flexible pipes and part 10 globe joints, it is outer for being welded in the guiding condition 13 on the collar 33, part 13 front ends are welded with ejector sleeve spare 12, it is outer for being contained in the conduit 18 and the support and the black box 15 that are fixed on the stove exterior wall on the stove side wall, and it has constituted attaching parts with the plinth 4 that has the external member 9 that leads.

The snap joint sectional drawing of Fig. 3 terminal pad coil and oil extraction gas main channel, below Fig. 3 is described, snap joint is to be used for an end of processed spiral tube is connected with oil extraction pneumatic transmission gas main channel, make oil extraction gas pass through jockey, enter the main channel of supplying gas, enter in the spiral tube by snap joint again, snap joint also is used for the other end of processed spiral tube is connected with the exhaust main channel of oil extraction gas simultaneously, by attaching parts, oil extraction gas and Residual oil steam after purging are sent outside the stove again.Processed spiral tube quantity is very big, each spiral tube needs two snap joints, the dress of snap joint, the amount of tearing open are very big like this, require to adorn, tear open essential convenient and swift, snap joint simultaneously will be heated to the heat treatment temperature of regulation with spiral tube, and snap joint will at high temperature have enough intensity and air tight.Part 2 is an end of connected spiral tube among Fig. 3, part 19 adapter body, and inner through hole for the band tapering, owing to tapering is arranged when pipe diameter changes, adapter body has versatility.Part 20 clamping elements are by part 21 rotating shafts, part 22 depression bars, part 23 draw rings are formed, when part 2 inserts the through hole of adapter body band tapering, part 20 clamping elements are in dotted line position, because the point diameter of taper hole is less than being connected the pipe minimum diameter, pipe is inserted into the diameter of self diameter and taper hole to be stopped to move ahead when suitable.Clamping element rotates to position shown in the solid line among the figure around rotating shaft, the depression bar of strap cam with part 2 with part 19 crimping and clamp, thereby remain on when purging air tightly, part 2 is not deviate from by high pressure oil extraction gas the time.Part 34 pipe joints are used for connecting snap joint and are connected flexible pipe with part 35.Part 35 connects flexible pipe, and an end is connected the other end with part 34 and is connected with charging tray.

Snap joint is connected by the depression bar 22 that a rotating shaft 21 and an end have draw ring 23 by adapter body 19, and the other end is connected by pipe joint 34 and flexible pipe 35.

Fig. 4 band send, and the special charging tray sketch of exhaust main channel, part 4 plinths among the figure, part 25 be for supplying gas or vent connection, joins with part 35 (being connected flexible pipe) among Fig. 3.Part 26 main channel of supplying gas is made of 50 * 50 square tubes, and oil extraction gas is sent into spiral tube given heat in the main channel after.Part 27 exhaust main channels are made of 50 * 50 square tubes.Oil extraction gas and Residual oil steam are discharged from outside the stove by the exhaust main channel.Part 28 stay pipes are made of 50 * 50 square tubes.Part 29 gripper shoes are made of 45 * 6 band steels.Part 30 porous plates cover the charging tray surface so that place work piece.Part 31 is accepted bar for grating.This special charging tray is placed on the rollgang of equipment.

Give, exhaust main channel square tube 26,27 is welded together, be welded with stay pipe 28, gripper shoe 29 for gaining in strength therein, respectively weld a plinth 4 in the charging tray both sides, and uniform be welded with give, exhaust joint 25, one face down bonding connects grating and accepts bar 31, and part 30 porous plates cover the surface and constitute special charging tray.

By above narration attaching parts, snap joint and special charging tray are organically combined and have constituted a kind of spiral tube inwall Residual oil blow device by rollgang, grating control.

Above-mentioned each part all adopts heat resisting steel to make at the furnace interior branch because of being in hot environment.

Introduce the example that the copper pipe inwall Residual oil blow device that spirals is used below on heat-treatment furnace.Fig. 5 is for implementing to reduce the new Equipment for Heating Processing overview of Residual oil in the pipe, and the basic comprising of equipment is made up of last material roller platform 36, inlet vacuum chamber 37, cup 38, heat-treatment furnace 39, cooling chamber 40, outlet vacuum chamber 41, discharge roller platform 42 etc.Different with general heat-treatment furnace is: a cover blow device respectively is set on last material roller platform and discharge roller platform respectively, three cover blow devices are set in the heat-treatment furnace.The copper pipe of handling that spirals is placed on band and send, and on the special charging tray of exhaust main channel, charging tray is placed on the rollgang of equipment, and the driven roller of rollgang moved, stops with semicontinuous pattern by the fixing time cycle.The copper pipe inwall Residual oil that spirals is carried out five times purge in that equipment is in service.On last material roller platform, carry out purging cleaning dust and impurity the first time.When the charging tray of material containing moves in the stove thermal treatment zone, delete charging tray limit is parked in by light and give the position of setting earlier, copper pipe has entered the thermal treatment zone in the stove owing to spiral, copper pipe is heated, after being heated, Residual oil in the pipe becomes oil vapour, under this state, and the cylinder in the blow device, with attaching parts promote to move ahead with charging tray on give, the interface of exhaust main channel is the plinth crimping.Oil extraction gas is given heat during through the main channel, the high pressure oil extraction gas that is given heat advances the people and spirals in the copper pipe, blow out and take out of the Residual oil steam in the copper pipe that spirals outside the stove, can be reduced to less than 0.1mg/m through the copper pipe inwall Residual oil content after purging in the stove, satisfied user's requirement, when charging tray runs to the discharge roller platform, carry out the 5th time again and purge at last, further clean inside pipe wall.With this new Equipment for Heating Processing, can obtain to reduce significantly the super bright copper pipe of resid amount in the pipe.Exploitation provides factories such as air conditioner manufactory and refrigerator manufactory not have the required new product of matting.

The utility model is the ideal device that the metal dish coil need be removed its inwall Residual oil.

Claims (3)

1, a kind of spiral tube inwall Residual oil blow device, it comprises stove, rollgang, black box, it is characterized in that having the communicating pipe 14 of the collar and having being welded communicating pipe 17 of the collar, the flexible pipe of connecting source of the gas is contained on communicating pipe by joint, communicating pipe is connected with cylinder by joint, communicating pipe, there were part flexible pipe and part spherojoint in the place ahead, it is outer for being welded in the guiding condition on the collar, ejector sleeve spare is arranged before the part, it is outer for being contained in the conduit and the support and the black box that are fixed on the stove exterior wall on the furnace sidewall, it constitutes attaching parts with the plinth that has the external member that leads, quick-connecting joint is connected with the depression bar that an end has draw ring by rotating shaft by adapter body, the other end is connected by pipe joint and flexible pipe, send, the square tube training of exhaust main channel is fitted together, and stay pipe is wherein arranged, gripper shoe, respectively there are a plinth and uniform being welded with to send in the charging tray both sides, exhaust joint, a side has grating to accept bar, the part porous plate covers the surface and constitutes special charging tray, above-mentioned attaching parts; Snap joint and special charging tray are organically combined by rollgang, photocontrol and have constituted a kind of spiral tube inwall Residual oil blow device.

2, a kind of spiral tube inwall Residual oil blow device according to claim 1, the external member that it is characterized in that leading has horn mouth, and the part joint is spherical, and part is a flexible pipe, and part is movable ejector sleeve.

3, a kind of spiral tube inwall Residual oil blow device according to claim 1 is characterized in that the inner through hole for the band tapering of adapter body part, and the part depression bar has cam.

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