CN1631572A - Bi-metal pipe deflagrate composite set and bi metal pipe manufacturing process - Google Patents
Bi-metal pipe deflagrate composite set and bi metal pipe manufacturing process Download PDFInfo
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- CN1631572A CN1631572A CN 200410094059 CN200410094059A CN1631572A CN 1631572 A CN1631572 A CN 1631572A CN 200410094059 CN200410094059 CN 200410094059 CN 200410094059 A CN200410094059 A CN 200410094059A CN 1631572 A CN1631572 A CN 1631572A
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Abstract
The invention unfurls a kind of equipment of double metal tube firing and its producing craft. The equipment' construction includes: metal base tube; the metal tube in the base tube; on the two sides of the tubes there are seal combination equipments; on the seal combination equipments fixed air mooth of one direction; one seal combination equipments fixed fire equipment, the other seal combination equipment fixed the insurance construction. Its producing craft: put the tube in the base tube; fix seal combination equipments on the sides of tubes; make vacuum, bring in the fire air; fire and explode to make the two tubes together; type the tube. The advantages of the invention are: plenty fire air source, low cost, simple craft, easy to operate. The two tubes connect closely, no crack. The field of using is large, and much material to be used.
Description
Technical field
The present invention relates to a kind of corrosion-resistant pipe system and make device and preparation technology, particularly be bimetal tube detonation set composite and the preparation technology thereof who carries corrosion-resistant fluid media (medium).
Background technology
At present, for prolonging the life-span that transmission has the corrosive medium pipeline, the parent tube of common metal material is taked to re-use after the various measures processing such as anticorrosion, anti-aging in advance.Anticorrosion, age inhibiting measure commonly used are the multiple tubes that adheres to one deck stainless steel bushing pipe in metal tube, the multiple tube of making the stainless steel bushing pipe generally adopts the detonation combination process to make, this processing step is: in the parent tube of common metal material, insert outer through being slightly less than the thin-wall stainless steel bushing pipe of parent tube internal diameter, be placed on explosive column in the bushing pipe between two parties, sealing parent tube two ends, ignite explosive column in the bushing pipe, under the effect of thump pressure, the stainless steel bushing pipe is radially extended, closely paste multiple on the parent tube inwall.There is following defective in above-mentioned preparation technology: 1.. and detonation parent tube raw material is the dangerous substances that explosive, mercury fulminate etc. belong to the strict control of country, examines trouble.2.. explosive, mercury fulminate etc. belong to highly dangerous product, its transportation, deposit and there is unsafe factor all the time in use.3. detonation recombination process, explosive generally will produce the pyroreactions of nearly 4000 degree, can cause the material of parent tube and bushing pipe to have a strong impact on
Summary of the invention
The objective of the invention is to overcome the deficiency of above-mentioned technology, it is low to provide a kind of bushing pipe raw material sources to enrich cost, and manufacture craft is safe and reliable, dangerous little, bimetal tube detonation set composite that production efficiency simple to operate is high and bimetal tube preparation technology thereof.
The technical scheme that solves the problems of the technologies described above is:
A kind of bimetal tube detonation set composite, its structure comprises: the metal parent tube; Be enclosed within corrosion resistant metal liner in the parent tube, the bushing pipe external diameter is slightly less than the parent tube internal diameter, and bushing pipe two ends length is longer than parent tube two ends length; The space that makes between bushing pipe inner chamber and parent tube and the bushing pipe all is housed at bushing pipe and parent tube two ends forms be full of combustible medium and vacuum two sealing combination devices of independent enclosure space separately respectively; In that being housed on the above-mentioned sealing combination device, the unidirectional inflation that is communicated with space between the bushing pipe with bushing pipe inner chamber and parent tube chews; The sealing combination device that is positioned at bushing pipe and parent tube one end is provided with power supply and is communicated with the sparking structure of igniting bushing pipe combustible medium lead-in wire, and the sealing combination device that is positioned at the bushing pipe and the parent tube other end is provided with contact with the bushing pipe inner chamber arranges the release safety structure that unloads the unnecessary pressure of bushing pipe inner chamber.
Described release safety structure is: be contained in the compressing tablet that unloads of the thin metal in sealing combination device end, unloading compressing tablet is had the gland seal of through hole to be fixed on the sealing combination device of the bushing pipe other end by the centre.
Described sealing combination device comprises: shutoff, connection hoop, clamping sleeve; Described shutoff is positioned at the bushing pipe both sides and seals its inner chamber, the shutoff other end is respectively the blind end that sparking structure and release safety structure are housed, the shutoff inner chamber is communicated with the bushing pipe inner chamber, also is provided with the sealing surface in space between sealing parent tube and the bushing pipe in the shutoff of contiguous bushing pipe one side; Described connection hoop is sleeved on the shutoff outside, the one end connects parent tube, the other end connects clamping sleeve, connect the sealing ring that is fixed with lining in the hoop endoporus and is positioned at the lining both sides, the wherein sealing ring of side sealing parent tube and the connecting portion that is connected between binding round, port position between the sealing ring sealing parent tube of opposite side and the bushing pipe, the lining internal diameter is inserted in bushing pipe and is longer than on the external diameter at parent tube two ends; Be connected and connect the reverse side that the clamping sleeve that binds round in the endoporus is pressed on the sealing surface of shutoff protrusion.
The shutoff of described sealing bushing pipe inner chamber is the taper external diameter of sealing ring to be housed insert the bushing pipe bore seal; The sealing surface in space is arranged on the big end root of shutoff taper external diameter to radially extending the face that protrudes between sealing parent tube and the bushing pipe; The sealing parent tube is positioned at the sealing ring that is connected connecting portion between the hoop and is connected the parent tube end of binding round the junction; The sealing ring of port position is to be sleeved on the bushing pipe external diameter and to be close on the sealing surface of shutoff between sealing parent tube and the bushing pipe; Leave its gap that contacts of prevention between lining and the parent tube end face; Be provided with in attaching parent tube technology in abutting connection with the gasket end internal diameter of parent tube and hold the space that bushing pipe outwards protrudes tortuous deformation, this space is internal diameter inserts the bushing pipe internal diameter greater than lining a shoulder hole.
The unidirectional inflation that is communicated with the bushing pipe inner chamber is chewed and is connected vavuum pump, combustible medium and combustion-supporting gas; Being communicated with between parent tube and the bushing pipe the unidirectional inflation in space chews and is connected vavuum pump.
Between described connection hoop and the parent tube with taper thread or send out blue one of them structure and be connected; Connect between hoop and the clamping sleeve with being threaded.
Described bushing pipe is thin-wall stainless steel, thin-wall copper pipe, thin-walled zirconium pipe, aluminum pipe or other compo pipe.
A kind ofly prepare the preparation technology of bimetal tube with bimetal tube detonation set composite, this preparation technology carries out as follows:
1). bushing pipe inserts in the parent tube: the bushing pipe that parent tube preseting length and external diameter be slightly less than the parent tube internal diameter is longer than at two ends is respectively inserted in the parent tube;
2). at bushing pipe and parent tube two ends the sealing combination device in space between sealing bushing pipe inner chamber and parent tube and the bushing pipe is installed: at first, at above-mentioned parent tube and bushing pipe two ends of inserting after good the sealing combination device that has sparking structure and release safety structure is installed respectively, the unidirectional inflation that is communicated with bushing pipe inner chamber and vavuum pump, combustible medium, combustion-supporting gas wherein is installed in the shutoff in sealing combination device chews; There is the unidirectional inflation that is communicated with vavuum pump to chew at parent tube with space mounting between the bushing pipe;
3). vacuumize, inculcate combustible medium, combustion-supporting gas: the connection vavuum pump is chewed in the unidirectional inflation in the shutoff, extracted out bushing pipe inner chamber air and inculcate certain proportion and the combustible medium of pressure and combustion-supporting gas or inculcate combustible medium and the combustion-supporting gas that is pre-mixed; The unidirectional inflation of space mounting between parent tube and the bushing pipe chewed be connected vavuum pump, extract the air in space between parent tube and the bushing pipe out, make it to form certain negative pressure;
4). ignite combustible medium and make bushing pipe attach parent tube: the body that aforesaid operations is intact is put in the tank, the igniter lead-in wire the two poles of the earth and the power connection that are installed on the sealing combination device of end, press switch, make the igniter sparking of installing on the sealing combination device at one end, ignite bushing pipe inner chamber gaseous mixture.Under the effect of pressing in detonation produces, make bushing pipe produce the radial drawing expansion and be closely attached to the parent tube inwall, residual compression is gone out in the tank by the release safety structure A that is arranged on the sealing combination device other end;
5). two ends bushing pipe flange, shaping: the body that will finish bushing pipe attaching parent tube technology hangs out and rolls frame on the tank, lay down the sealing combination device at parent tube two ends, with the two ends bushing pipe except that staying enough flange length, all the other excisions, with the flange instrument with bushing pipe from protruding the part outward flanging of tortuous deformation, the bushing pipe head that two ends stay turns over and is attached to the parent tube end, removes burr again.
Described combustible medium is fuel gas or flammable liquid.
Described fuel gas is: liquefied petroleum gas, natural gas, acetylene gas, hydrogen, ammonia, methane, butane; Described flammable liquid is: acetone, gas and oil, methyl alcohol, ethanol.
The invention has the beneficial effects as follows:
1. the fuel gas source is abundant, and cost is low.
2. technology is simple, and is easy to operate.
3. closely not bulge of the two-tube combination of the present invention is not ftractureed, and does not come off.
4. the scope of application is wide, and material is selected wide, and arbitrary shape all can be realized closely compound.
Description of drawings
Fig. 1 is the embodiment of the invention 1 a bimetal tube detonation set composite structure cutaway view;
Fig. 2 is the embodiment of the invention 2 bimetal tube detonation set composite structure cutaway views;
Fig. 3 is an E portion enlarged diagram among Fig. 1;
Fig. 4 is a D portion enlarged diagram among Fig. 2;
Fig. 5 is a F portion enlarged diagram among Fig. 1.
The specific embodiment
Below in conjunction with accompanying drawing bimetal tube detonation set composite of the present invention is described in detail.
Fig. 1 is the embodiment of the invention 1 a bimetal tube detonation set composite structure cutaway view; Fig. 2 is the embodiment of the invention 2 bimetal tube detonation set composite structure cutaway views; Fig. 3 is an E portion enlarged diagram among Fig. 1; Fig. 5 is a F portion enlarged diagram among Fig. 1.
As shown in the figure, the structure of bimetal tube detonation set composite of the present invention comprises: the metal parent tube 1 of general material; Corrosion resistant stainless steel thin-wall bushing pipe 22; Be contained in the sealing combination device at parent tube 1 and bushing pipe 22 two ends.
The space that makes between bushing pipe 22 inner chambers and parent tube 1 and the bushing pipe 22 all is housed at bushing pipe 22 and parent tube 1 two ends forms be full of combustible medium and vacuum two sealing combination devices of independent enclosure space separately respectively.
Above-mentioned sealing combination device comprises: shutoff 8,18; Connect hoop 2,17; Clamping sleeve 7,16.Above-mentioned two shutoff, 8,18 1 end external diameters are taper, on the tapering point external diameter, be with sealing shroud 5,21, this end inserts bushing pipe 22 two ends, utilizes sealing shroud 5,21 that shutoff 8,18 closely is stuck on the bushing pipe 22 port internal diameters, and bushing pipe 22 inner chambers are closed fully.Shutoff 8,18 other ends are respectively the blind ends that sparking structure B and release safety structure A are housed, and two shutoff 8,18 inner chambers are communicated with bushing pipe 22 inner chambers.Also be provided with the sealing surface of annular space between sealing parent tube 1 and the bushing pipe 22 in the shutoff 8,18 of contiguous bushing pipe 22 1 sides, the sealing face is to radially extending the face that protrudes at the big end root of shutoff 8,18 taper external diameters.
Described connection hoop 2,17 is sleeved on shutoff 8,18 outsides, connects hoop 2,17 1 ends and connects parent tube 1, and its other end connects clamping sleeve 7,16. Connection hoop 2,17 and parent tube 1 have two kinds of connected modes in the embodiment of the invention, and a kind of employing is shown in Figure 1 to be threaded, and another kind of employing flange shown in Figure 2 connects.
Adopt between connection hoop 2,17 as shown in Figure 1 and the parent tube 1 and be threaded, this syndeton is: the outer cone thread at parent tube 1 two ends is tightened on respectively and connects in hoop 2, the 17 inside tapered thread holes, connect the fastening sealing ring that lining 4,13 is housed and is positioned at lining 4,13 both sides in hoop 2,17 endoporus, wherein the sealing ring 3,12 of a side is positioned at parent tube 1 end, sealing parent tube 1 and the connecting portion that is connected between the hoop 2,17; Port position between sealing ring 6, the 19 sealing parent tubes 1 of opposite side and the bushing pipe 22, sealing ring 6,19 is close on the sealing surface of shutoff 8,18 protrusions, and complete closed between parent tube 1 and the bushing pipe 22 is become separate space.Lining 4,13 internal diameters are inserted in bushing pipe 22 and are longer than on the external diameter at parent tube 1 two ends, leave gap delta between lining 4,13 and parent tube 1 end face, and gap delta prevents that lining 4,13 from contacting the influence sealing with parent tube 1 end face.Lining 4,13 inner end diameter in abutting connection with parent tube 1 are provided with the space C that hold bushing pipe 22 outside protrusion tortuous deformations in attaching parent tube technology, its objective is the protrusion warpage part of being convenient to flange for bushing pipe 22 formation in implementing detonation technology.That is: bushing pipe 22 inside/outside diameter sizes that parent tube 1 is longer than at two ends in the structure of the present invention remain unchanged in the detonation combination process substantially, the bushing pipe 22 of mid portion is attached on parent tube 1 inwall after the distortion of detonation combination process, bushing pipe 22 occurs protruding the warpage part in the position of protruding tortuous deformation space C, and this protrusion warpage partly is convenient to implement flanging process.Above-mentioned space C is internal diameter inserts the bushing pipe internal diameter greater than lining 4,13 a shoulder hole.
In above-mentioned connection hoop 2,17 other end endoporus with the clamping sleeve 7,16 that has been threaded, be contained in and connect the reverse side that hoop 2,17 interior clamping sleeve 7,16 1 ends are pressed on the sealing surface of shutoff 8,18 protrusions, clamping sleeve 7,16 other ends are exposed at the part that connects hoop 2,17 outsides and are provided with the structure of being convenient to make the throw rotation, have flat or the hole (not shown) as symmetric part.In order to make shutoff 8,18 seal above-mentioned two spaces more closely, realize that by rotatably compressing cover 7,16 seal face of shutoff 8,18 protrusions is pressed on the sealing ring 6,19, better realizes the purpose in the above-mentioned space of sealing.
The unidirectional inflation that is communicated with bushing pipe 22 inner chambers is housed on above-mentioned sealing combination device chews.As shown in Figure 1, 2, being contained in unidirectional inflation in the parent tube 1 left end sealing combination device shutoff 18 chews 15 and is communicated with bushing pipe 22 inner chambers; Being contained in two unidirectional inflations in the parent tube 1 right-hand member sealing combination device shutoff 8 chews 11,9 and is communicated with bushing pipe 22 inner chambers.Unidirectional inflation is chewed 15,11,9 and is communicated with vavuum pump, combustible medium and combustion-supporting gas respectively, a unidirectional inflation that is communicated with bushing pipe 22 inner chambers also can be set in shutoff chew, and can lead to vavuum pump, combustible medium and combustion-supporting gas respectively according to process sequence.
The sealing combination device shutoff 8,18 that is installed in bushing pipe 22 1 ends is provided with power supply (figure does not show) and is connected the sparking structure B that ignites combustible medium lead-in wire in the bushing pipe 22, this sparking structure B is: igniter 10 is fastened on shutoff 8 ends by screw, and the lead-in wire 33 that is connected with power supply is connected on the igniter 10.Igniter 10 is heating rod or high pressure spot cremate trigger.
The sealing combination device shutoff 18 of bushing pipe 22 other ends is provided with and contacts the release safety structure A that row unloads unnecessary pressure in the bushing pipe 22 with bushing pipe 22 inner chambers, this release safety structure A is: what be contained in the thin metal in shutoff 18 ends unloads compressing tablet 32, and unloading compressing tablet 32 is had gland 14 sealing and fixing of through hole on shutoff 18 open ends of bushing pipe 22 other ends by middle.Embodiment of the invention gland 14 adopts screw thread to be connected with shutoff 18 ends.
As Fig. 2 is the structure cutaway view of the embodiment of the invention 2.Connecting hoop 2,17 adopts flange to be connected with parent tube 1, its structure is: parent tube 1 two ends are inserted in respectively in the endoporus that connects hoop 2,17 1 ends, the flange 25,26 that is positioned at parent tube 1 two ends with is connected flange 24, the 27 usefulness securing members 23,28 that bind round on 2,17 external diameters and connects and be one.
Fig. 4 is a D portion enlarged diagram among Fig. 2.Leave gap delta between lining 4 among Fig. 4 and parent tube 1 end face, gap delta prevents that on the one hand lining 4 from contacting the influence sealing with parent tube 1 end face, and parent tube 1 is closely contacted with sealing ring 3, can better seal parent tube 1 and the connecting portion that is connected between the hoop 2.Other structures of sealing combination device are same as screw connection structure in the accompanying drawing 1 in the accompanying drawing 2, no longer narrate at this.
Described bushing pipe 22 is thin-wall stainless steel, thin-wall copper pipe, thin-walled zirconium pipe, aluminum pipe or other compo pipe.
The above-mentioned bimetal tube detonation of a kind of usefulness set composite prepares the preparation technology of bimetal tube, and this preparation technology carries out as follows:
1). bushing pipe inserts in the parent tube: the bushing pipe that parent tube preseting length and external diameter be slightly less than the parent tube internal diameter is longer than at two ends is respectively inserted in the parent tube;
2). at bushing pipe and parent tube two ends the sealing combination device in space between sealing bushing pipe inner chamber and parent tube and the bushing pipe is installed: at first, at above-mentioned parent tube and bushing pipe two ends of inserting after good the sealing combination device that has sparking structure B and release safety structure A is installed respectively, the unidirectional inflation that is communicated with bushing pipe inner chamber and vavuum pump, combustible medium, combustion-supporting gas wherein is installed in the shutoff in sealing combination device chews; There is the unidirectional inflation that is communicated with vavuum pump to chew at parent tube with space mounting between the bushing pipe;
3). vacuumize, inculcate combustible medium, combustion-supporting gas: the connection vavuum pump is chewed in the unidirectional inflation in the shutoff, extracted out bushing pipe inner chamber air and inculcate certain proportion and the combustible medium of pressure and combustion-supporting gas or inculcate combustible medium and the combustion-supporting gas that is pre-mixed; The unidirectional inflation of space mounting between parent tube and the bushing pipe chewed be connected vavuum pump, extract the air in space between parent tube and the bushing pipe out, make it to form certain negative pressure;
4). ignite combustible medium and make bushing pipe attach parent tube: the body that aforesaid operations is intact is put in the tank, the igniter lead-in wire the two poles of the earth and the power connection that are installed on the sealing combination device of end, press switch, make the igniter sparking of installing on the sealing combination device at one end, ignite bushing pipe inner chamber gaseous mixture.Under the effect of pressing in detonation produces, make bushing pipe produce the radial drawing expansion and be closely attached to the parent tube inwall, residual compression is gone out in the tank by the release safety structure A that is arranged on the sealing combination device other end;
5). two ends bushing pipe flange, shaping: the body that will finish bushing pipe attaching parent tube technology hangs out and rolls frame on the tank, lay down the sealing combination device at parent tube two ends, with the two ends bushing pipe except that staying enough flange length, all the other excisions, with the flange instrument with bushing pipe from protruding the part outward flanging of tortuous deformation, the bushing pipe head that two ends stay turns over and is attached to the parent tube end, removes burr again.
Described combustible medium is fuel gas or flammable liquid.
Described fuel gas is: liquefied petroleum gas, natural gas, acetylene gas, hydrogen, ammonia, methane, butane; Described flammable liquid is: acetone, gas and oil, methyl alcohol, ethanol.
Claims (10)
1. bimetal tube detonation set composite, its structure comprises: the metal parent tube; Be enclosed within corrosion resistant metal liner in the parent tube, the bushing pipe external diameter is slightly less than the parent tube internal diameter, and bushing pipe two ends length is longer than parent tube two ends length; The space that makes between bushing pipe inner chamber and parent tube and the bushing pipe all is housed at bushing pipe and parent tube two ends forms be full of combustible medium and vacuum two sealing combination devices of independent enclosure space separately respectively; In that being housed on the above-mentioned sealing combination device, the unidirectional inflation that is communicated with space between the bushing pipe with bushing pipe inner chamber and parent tube chews; The sealing combination device that is positioned at bushing pipe and parent tube one end is provided with power supply and is communicated with the sparking structure (B) of igniting bushing pipe combustible medium lead-in wire, it is characterized in that: the sealing combination device that is positioned at bushing pipe (22) and parent tube (1) other end is provided with to contact with bushing pipe (22) inner chamber arranges the release safety structure (A) that unloads the unnecessary pressure of bushing pipe (22) inner chamber.
2. according to the device described in the claim 1, it is characterized in that described release safety structure (A) is: what be contained in the thin metal in sealing combination device end unloads compressing tablet (32), and unloading compressing tablet (32) is had gland (14) sealing and fixing of through hole on the sealing combination device of bushing pipe (22) other end by middle.
3. according to the device described in the claim 1, it is characterized in that described sealing combination device comprises: shutoff (8,18), connection hoop (2,17), clamping sleeve (7,16); Described shutoff (8,18) be positioned at bushing pipe (22) both sides and seal its inner chamber, shutoff (8,18) other end is respectively the blind end that sparking structure (B) and release safety structure (A) are housed, shutoff (8,18) inner chamber is communicated with bushing pipe (22) inner chamber, also is provided with the sealing surface in space between sealing parent tube (1) and the bushing pipe (22) in the shutoff (8,18) of contiguous bushing pipe (22) one sides; Described connection hoop (2,17) be sleeved on shutoff (8,18) outside, the one end connects parent tube (1), the other end connects clamping sleeve (7,16), connect hoop (2,17) be fixed with lining (4,13) and be positioned at the sealing ring of lining (4,13) both sides in the endoporus, wherein the sealing ring of a side (3,12) seals parent tube (1) and is connected hoop (2,17) connecting portion between, port position between the sealing ring of opposite side (6,19) sealing parent tube (1) and the bushing pipe (22), lining (4,13) internal diameter is inserted in bushing pipe (22) and is longer than on the external diameter at parent tube (1) two ends; Be connected and connect the reverse side that the clamping sleeve (7,16) that binds round in (2,17) endoporus is pressed on the sealing surface of shutoff (8,18) protrusion.
4. according to the device described in the claim 3, the shutoff (8,18) that it is characterized in that described sealing bushing pipe (22) inner chamber is the taper external diameter of sealing ring (5,21) to be housed insert bushing pipe (22) bore seal; The sealing surface in space is arranged on the big end root of shutoff (8,18) taper external diameter to radially extending the face that protrudes between sealing parent tube (1) and the bushing pipe (22); Sealing parent tube (1) is positioned at and parent tube (1) end that is connected hoop (2,17) junction with the sealing ring that is connected connecting portion between the hoop (2,17) (3,12); The sealing ring (6,19) of port position is to be sleeved on the lining external diameter and to be close on the sealing surface of shutoff (8,18) between sealing parent tube (1) and the bushing pipe (22); Leave its gap that contacts (δ) of prevention between lining (4,13) and parent tube (1) end face; Be provided with in attaching parent tube technology in abutting connection with lining (4, the 13) inner end diameter of parent tube (1) and hold the space (C) that bushing pipe (22) outwards protrudes tortuous deformation, this space (C) is internal diameter inserts the bushing pipe internal diameter greater than lining (4,13) shoulder hole.
5. according to the device described in the claim 1, it is characterized in that the described unidirectional inflation that is communicated with bushing pipe (22) inner chamber chews (9,11,15) and connect vavuum pump, combustible medium and combustion-supporting gas; Being communicated with between parent tube (1) and the bushing pipe (22) the unidirectional inflation in space chews (20) and is connected vavuum pump.
6. according to the device described in the claim 3, it is characterized in that between described connection hoop (2,17) and the parent tube (1) with taper thread or send out blue one of them structure being connected; Connect between hoop (2,17) and the clamping sleeve (7,16) with being threaded.
7. according to the device described in the claim 1, it is characterized in that described bushing pipe (22) is thin-wall stainless steel, thin-wall copper pipe, thin-walled zirconium pipe, aluminum pipe or other compo pipe.
8. one kind prepares bimetal tube preparation technology with the described bimetal tube detonation of claim 1 set composite, it is characterized in that this preparation technology carries out as follows:
1). bushing pipe inserts in the parent tube: the bushing pipe that parent tube preseting length and external diameter be slightly less than the parent tube internal diameter is longer than at two ends is respectively inserted in the parent tube;
2). at bushing pipe and parent tube two ends the sealing combination device in space between sealing bushing pipe inner chamber and parent tube and the bushing pipe is installed: at first, at above-mentioned parent tube and bushing pipe two ends of inserting after good the sealing combination device that has sparking structure (B) and release safety structure (A) is installed respectively, the unidirectional inflation of connection bushing pipe inner chamber and vavuum pump, combustible medium, combustion-supporting gas wherein is installed in the shutoff in sealing combination device chews; There is the unidirectional inflation that is communicated with vavuum pump to chew at parent tube with space mounting between the bushing pipe;
3). vacuumize, inculcate combustible medium, combustion-supporting gas: the connection vavuum pump is chewed in the unidirectional inflation in the shutoff, extracted out bushing pipe inner chamber air and inculcate certain proportion and the combustible medium of pressure and combustion-supporting gas or inculcate combustible medium and the combustion-supporting gas that is pre-mixed; The unidirectional inflation of space mounting between parent tube and the bushing pipe chewed be connected vavuum pump, extract the air in space between parent tube and the bushing pipe out, make it to form certain negative pressure;
4). ignite combustible medium and make bushing pipe attach parent tube: the body that aforesaid operations is intact is put in the tank, the igniter lead-in wire the two poles of the earth and the power connection that are installed on the sealing combination device of end, press switch, make the igniter sparking of installing on the sealing combination device at one end, ignite bushing pipe inner chamber gaseous mixture.Under the effect of pressing in detonation produces, make bushing pipe produce the radial drawing expansion and be closely attached to the parent tube inwall, residual compression is gone out in the tank by the release safety structure (A) that is arranged on the sealing combination device other end;
5). two ends bushing pipe flange, shaping: the body that will finish bushing pipe attaching parent tube technology hangs out and rolls frame on the tank, lay down the sealing combination device at parent tube two ends, with the two ends bushing pipe except that staying enough flange length, all the other excisions, with the flange instrument with bushing pipe from protruding the part outward flanging of tortuous deformation, the bushing pipe head that two ends stay turns over and is attached to the parent tube end, removes burr again.
9. according to the preparation technology described in the claim 7, it is characterized in that described combustible medium is fuel gas or flammable liquid.
10. the preparation technology described in according to Claim 8 is characterized in that described fuel gas is: liquefied petroleum gas, natural gas, acetylene gas, hydrogen, ammonia, methane, butane; Described flammable liquid is: acetone, gas and oil, methyl alcohol, ethanol.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410094059 CN1278795C (en) | 2004-12-28 | 2004-12-28 | Bi-metal pipe deflagrate composite set and bi metal pipe manufacturing process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410094059 CN1278795C (en) | 2004-12-28 | 2004-12-28 | Bi-metal pipe deflagrate composite set and bi metal pipe manufacturing process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1631572A true CN1631572A (en) | 2005-06-29 |
| CN1278795C CN1278795C (en) | 2006-10-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200410094059 Expired - Fee Related CN1278795C (en) | 2004-12-28 | 2004-12-28 | Bi-metal pipe deflagrate composite set and bi metal pipe manufacturing process |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102500680A (en) * | 2011-10-24 | 2012-06-20 | 中国石油天然气集团公司 | Oxygen enrichment and deflagration forming method and device thereof of alloy steel composite pipe |
| CN103857971A (en) * | 2011-10-12 | 2014-06-11 | 埃克森美孚研究工程公司 | Alumina forming bimetallic tube for refinery process furnaces and method of making and using |
| CN104550404A (en) * | 2013-10-21 | 2015-04-29 | 张宝军 | Bimetal tube deflagration composite device and bimetal tube production process thereof |
| CN101970148B (en) * | 2008-01-31 | 2016-08-03 | 麦格纳国际公司 | device for explosive forming |
| CN109702071A (en) * | 2019-01-11 | 2019-05-03 | 厦门理工学院 | One kind firing molding die and its forming method |
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2004
- 2004-12-28 CN CN 200410094059 patent/CN1278795C/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101970148B (en) * | 2008-01-31 | 2016-08-03 | 麦格纳国际公司 | device for explosive forming |
| CN103857971A (en) * | 2011-10-12 | 2014-06-11 | 埃克森美孚研究工程公司 | Alumina forming bimetallic tube for refinery process furnaces and method of making and using |
| CN102500680A (en) * | 2011-10-24 | 2012-06-20 | 中国石油天然气集团公司 | Oxygen enrichment and deflagration forming method and device thereof of alloy steel composite pipe |
| CN104550404A (en) * | 2013-10-21 | 2015-04-29 | 张宝军 | Bimetal tube deflagration composite device and bimetal tube production process thereof |
| CN109702071A (en) * | 2019-01-11 | 2019-05-03 | 厦门理工学院 | One kind firing molding die and its forming method |
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| CN1278795C (en) | 2006-10-11 |
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