CN202291833U - Alloy steel composite pipe oxygen-enriched detonation forming device - Google Patents
Alloy steel composite pipe oxygen-enriched detonation forming device Download PDFInfo
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- CN202291833U CN202291833U CN 201120406266 CN201120406266U CN202291833U CN 202291833 U CN202291833 U CN 202291833U CN 201120406266 CN201120406266 CN 201120406266 CN 201120406266 U CN201120406266 U CN 201120406266U CN 202291833 U CN202291833 U CN 202291833U
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Abstract
The utility model relates to an alloy steel composite pipe oxygen-enriched detonation forming device and aims to reduce the manufacturing cost and prevent potential safety hazards and accidents during an alloy steel composite pipe forming process. Supporting wheels for supporting the two ends of a pipeline are fixed on the base of the device, laser locators are mounted on the two supporting wheels, a machine head I with an axial hole and a machine head II are mounted in positions close to the two ends of the pipeline, the machine head I can move axially along the base, a sealing device is mounted on the machine head I and in a position close to the front end of the pipeline, a propulsion motor capable of moving longitudinally on the base is mounted behind the machine head I, and a vacuum pump is communicated with an ring-shaped cavity between the liner tube and the base tube of the pipeline through the axial hole on the machine head I; an ignition device is mounted at the front end of the machine head II, and a combustion-supporting gas valve, an inflammable gas valve, an air pressure-boosting valve and a pressure release valve which are communicated with the liner tube through the axial hole on the machine head I are mounted at the rear end of the machine head II; and the air pressure-boosting valve is further communicated with an air booster pump and a booster fan sequentially. The device adopts a microcomputer control system for whole journey control, so that the quality of a composite pipe is ensured, and the compositing process is safe, reliable and efficient.
Description
Technical field
The utility model relates to used equipment in the composite molding process of steel alloy compound pipeline complex pipeline, the shaped device of steel alloy multiple tube oxygen enrichment detonation specifically.
Background technology
The steel alloy compound pipeline complex pipeline is to follow anti-CO
2And H
2S dielectric corrosion and the novel pipeline that grows up are compared with the common metal pipeline, have the low major advantage of corrosion-resistant cost.The steel alloy compound pipeline complex pipeline is to be composited through special process by high-strength steel parent tube and steel alloy thin-walled internal lining pipe.The forming technique of steel alloy multiple tube is a lot of both at home and abroad, summarizes to get up mainly to be divided into: the metallurgical composite algorithm of hot rolling, mechanical composite algorithm and explosive forming method.The metallurgical composite algorithm of hot rolling is alloy material to be cast in the outer tube forging and pressing blank in advance form multiple tube hot rolling blank, and then the temperature control hot rolling, becomes the Compound Extrusion pipe of metallurgical binding after the hot rolling, and this method is once accomplished in tube mill, and high to technological requirement, cost is big.The machinery composite algorithm also is the post forming method, is that the thin wall alloy steel pipe is served as a contrast in the steel pipe, draws through rising, shaped by fluid pressure, and its cost is lower than metallurgy method, but combined strength bination is limited.Explosion method is with the quantitative explosive pipe interior of packing into, through cap sensitive explosive, and the HTHP that moment produces; Parent tube and internal lining pipe are composited, and moulding is fast, but explosion method requires height to safety management; At a high speed blast makes multiple tube inhomogeneous deformation, bonded area rate not high, and the elevated temperature heat air-flow inner liner of possibly ablating has also limited long multiple tube manufacturing; And but noise is big, and the builder's yard is required height, has certain risk.
The utility model content
In order to make in the steel alloy compound pipe molding process, reduce production costs, prevent the generation of potential safety hazard and accident, the utility model provides a kind of steel alloy multiple tube oxygen enrichment detonation shaped device.This device adopts the omnidistance control of Control System of Microcomputer, can guarantee the quality of multiple tube, and recombination process is safe and reliable, and is efficient.
The technical scheme of the utility model is: a kind of steel alloy multiple tube oxygen enrichment detonation shaped device; The compound pipeline of treating that comprises base and parent tube and bushing pipe suit; In addition, this device also comprises head one and head two, sealing device, igniter, supercharging air valve, air boost pump, booster fan, combustion-supporting gas valve, fuel gas valve, relief valve, laser positioning appearance, tugboat, vavuum pump and propulsion electric machine; Wherein, Be fixed for supporting the tugboat of pipe ends on the described base, on two tugboats the laser positioning appearance be housed all, head one and the head two that has axial hole is installed at two ends near above-mentioned pipeline; And head one can move axially along base; Front end near pipeline on the head one is equipped with sealing device, and the propulsion electric machine that can on base, vertically move is equipped with in the back of head one, and above-mentioned vavuum pump communicates with ring cavity between parent tube through the axial hole on the head one and the bushing pipe of pipeline; The front end of said head two is equipped with igniter, and combustion-supporting gas valve, fuel gas valve, supercharging air valve and the relief valve that communicates with bushing pipe through axial hole is equipped with in the rear end, and the supercharging air valve communicates with air boost pump and booster fan again successively.
As preferably, this device integral body is covered with protective cover; The oxygen enrichment detonation overall process of this device is carried out by the micro computer automatic control system that is connected with this device.
The beneficial effect of the utility model is: in above-mentioned technical scheme; Be to treat that compound bushing pipe and parent tube are anti-to this device; This device through with the peripheral hardware control room in each position sensing element be connected with automatic instrument(s) in the switch board, according to different size and unlike material, control mixed proportion, the flow of fuel gas; The enforcement electronics is ignited; Have functions such as superpressure is reported to the police, igniting when punctual, flame-out warnings, can implement video display observation to the detonation station simultaneously, make this device have safety, efficiently, small investment, technology reliable characteristics.
Description of drawings
Fig. 1 is the schematic layout pattern of the utility model.
1-head among the figure, 2-sealing device, 3-igniter, 4-supercharging air valve, 5-air boost pump; The 6-booster fan, 7-combustion-supporting gas valve, 8-fuel gas valve, 9-relief valve, 10-steel alloy multiple tube; 11-laser positioning appearance, 12-tugboat, 13-vavuum pump, 14-base, 15-propulsion electric machine.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described further:
By shown in Figure 1; This steel alloy multiple tube oxygen enrichment detonation shaped device; What comprise base 14 and parent tube and bushing pipe suit treats compound pipeline 10, and wherein, this device also comprises head 1 and head 2 16, sealing device 2, igniter 3, supercharging air valve 4, air boost pump 5, booster fan 6, combustion-supporting gas valve 7, fuel gas valve 8, relief valve 9, laser positioning appearance 11, tugboat 12, vavuum pump 13 and propulsion electric machine 15; Wherein, Be fixed on the described base 14 supporting on 12, two tugboats 12 of tugboat at pipeline 10 two ends laser positioning appearance 11 all is housed, head 1 and the head 2 16 that has axial hole is installed at two ends near above-mentioned pipeline 10; And head 1 can move axially along base 14; Front end near pipeline 10 on the head 1 is equipped with sealing device 2, and the propulsion electric machine 15 that can on base 14, vertically move is equipped with in the back of head 1, and above-mentioned vavuum pump 13 communicates with ring cavity between parent tube through the axial hole on the head 1 and the bushing pipe of pipeline 10; The front end of said head 2 16 is equipped with igniter 3, and combustion-supporting gas valve 7, fuel gas valve 8, supercharging air valve 4 and the relief valve 9 that communicates with bushing pipe through axial hole is equipped with in the rear end, and supercharging air valve 4 communicates with air boost pump 5 and booster fan 6 again successively.In technique scheme, combustion-supporting gas valve 7, fuel gas valve 8 are connected with the rear end of head 2 16 through appendix, and the axial hole with head 2 16 communicates again; Supercharging air valve 4, relief valve 9 communicate through axial hole on appendix and the head 2 16, and axial hole communicates with bushing pipe on the head 2 16; Vavuum pump 13 communicates with axial hole on the head 1 through appendix, and the bushing pipe on the axial hole on the head 1 and the pipeline 10 communicates with the ring cavity between parent tube.
For the safety of deflagration, the outer protective cover 17 that also is covered with of this device; And the oxygen enrichment detonation overall process of this device is automatically performed by the micro computer automatic control system that is connected with this device; Through with the peripheral hardware control room in each position sensing element be connected with automatic instrument(s) in the switch board; According to different size and unlike material; Mixed proportion, the flow of control fuel gas are implemented electronics and are ignited, and have functions such as superpressure is reported to the police, igniting when punctual, flame-out warning; Can implement video display observation to the detonation station simultaneously, make this device have safety, efficient, small investment, technology reliable characteristics.
The course of work of this device is following: the pipeline of the steel alloy liner of at first will packing into is put on the tugboat 12 at two ends and chucking, and propulsion electric machine 15 moves forward and starts detonation head 1 and advance, and laser positioning appearance 11 confirms that pipelines 10 transmission put in place, and the sealing device 2 on the head 1 is with steel pipe 10 lockings; While closed safe protective cover 17, vacuum pumping pump 11 work, and detect the vacuum in the ring cavity between steel alloy bushing pipe and parent tube, open quantitatively injection combustible gases of fuel gas valve 8 automatically; Valve-off is opened combustion-supporting gas valve 7 automatically, and quantitatively injects combustion-supporting gas; Valve-off starts booster fan 6, injects air through air boost pump 5 and pressure charging valve 4; To 6～8MPa, valve-off, starting ignition device 3 igniting automatically; After detonation finishes,, start relief valve 9 according to the indexs of setting such as temperature, pressure; Get rid of residual air, accomplishes compound, the pipeline entering next procedure after checking.
Above-mentioned oxygen enrichment detonation overall process automatically performs completion by the micro computer automatic control system that is connected with this device.
Concrete compound pipeline complex pipeline instance
Embodiment 1: with fuel gas 2～3min that 5～10L/min quantitatively imports, calorific value is 45000kJ/kg, and ignition temperature is 2170 ℃.When caliber during less than 15cm flame propagation be laminar flow, the flame propagation velocity under 25 ℃, 1 atmospheric pressure is merely 30～90cm/s, the gaseous mixture detonation range: in air 3%～10%; In the oxygen 6%～92%, detonation rate is 2716m/s, accounts for 40% of gas packing space, and pressure raises can reach 60MPa.With the explosion method ratio, through the adjustment mixed gases matching, can control the blast ability, make detonation gas present turbulent flow back laminar condition earlier, guarantee that detonation gas evenly does work to inner surface, compound even.
Embodiment 2: with fuel gas 3～9 min that 10～15L/min quantitatively imports, input fuel gas calorific value is 45000kJ/kg, and ignition temperature is 2170 ℃.When caliber during greater than 15cm flame propagation be turbulent flow, the flame propagation velocity under 25 ℃, 1 atmospheric pressure is merely 40～100cm/s, the gaseous mixture detonation range: in air 20%～50%; In the oxygen 10%～92%, detonation rate is 4716m/s, accounts for 40% of gas packing space, and pressure raises can reach 60MPa.With the explosion method ratio, through the adjustment mixed gases matching, can control the blast ability, make detonation gas present turbulent flow back laminar condition earlier, guarantee that detonation gas evenly does work to inner surface, compound even.
Claims (2)
1. steel alloy multiple tube oxygen enrichment detonation shaped device; What comprise base (14) and parent tube and bushing pipe suit treats compound pipeline (10); It is characterized in that: this device also comprises head one (1) and head two (16), sealing device (2), igniter (3), supercharging air valve (4), air boost pump (5), booster fan (6), combustion-supporting gas valve (7), fuel gas valve (8), relief valve (9), laser positioning appearance (11), tugboat (12), vavuum pump (13) and propulsion electric machine (15); Wherein, Be fixed for supporting the tugboat (12) at pipeline (10) two ends on the described base (14); Laser positioning appearance (11) all is housed on two tugboats (12); Head one (1) and the head two (16) that has axial hole installed at two ends near above-mentioned pipeline (10); And head one (1) can move axially along base (14); The front end that head one (1) is gone up near pipeline (10) is equipped with sealing device (2), and the propulsion electric machine (15) that can on base (14), vertically move is equipped with in the back of head one (1), and the axial hole of above-mentioned vavuum pump (13) on head one (1) and the bushing pipe of pipeline (10) communicate with ring cavity between parent tube; The front end of said head two (16) is equipped with igniter (3); Combustion-supporting gas valve (7), fuel gas valve (8), supercharging air valve (4) and the relief valve (9) that communicates with bushing pipe through axial hole is equipped with in the rear end, and supercharging air valve (4) communicates with air boost pump (5) and booster fan (6) again successively.
2. steel alloy multiple tube oxygen enrichment detonation shaped device according to claim 1, it is characterized in that: this device integral body is covered with protective cover (17).
3. steel alloy multiple tube oxygen enrichment detonation shaped device according to claim 2, it is characterized in that: the oxygen enrichment detonation overall process of this device is automatically performed by the micro computer automatic control system that is connected with device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120406266 CN202291833U (en) | 2011-10-24 | 2011-10-24 | Alloy steel composite pipe oxygen-enriched detonation forming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120406266 CN202291833U (en) | 2011-10-24 | 2011-10-24 | Alloy steel composite pipe oxygen-enriched detonation forming device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202291833U true CN202291833U (en) | 2012-07-04 |
Family
ID=46360810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120406266 Withdrawn - After Issue CN202291833U (en) | 2011-10-24 | 2011-10-24 | Alloy steel composite pipe oxygen-enriched detonation forming device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202291833U (en) |
Cited By (1)
| 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 |
-
2011
- 2011-10-24 CN CN 201120406266 patent/CN202291833U/en not_active Withdrawn - After Issue
Cited By (2)
| 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 |
| CN102500680B (en) * | 2011-10-24 | 2013-12-11 | 中国石油天然气集团公司 | Oxygen enrichment and deflagration forming device of alloy steel composite pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120704 Effective date of abandoning: 20131211 |
|
| RGAV | Abandon patent right to avoid regrant |