CN217667096U - Energy-saving G30 hastelloy composite board explosive welding structure - Google Patents

Abstract

The utility model provides an energy-saving G30 hastelloy composite sheet explosive welding structure, includes ground, basal plate and composite board, a plurality of clearance support column has evenly been laid at the basal plate top, and the interval between every clearance support column is not less than 200mm, composite board level is placed on a plurality of clearance support columns, and with the basal plate corresponds perpendicularly, just the edge all around of composite board extends the marginal at least 20mm all around of basal plate, composite board has laid the explosive box at the top, cloth is equipped with explosive and detonator in the explosive box, lie in the explosive top and laid the division board in the explosive box, lie in the division board top and evenly laid the yellow sand in the explosive box, the detonator pastes and inserts the setting up explosive after passing yellow sand, division board in proper order by the minor face middle part of explosive box. The utility model discloses simple and easy practicality, safe and reliable and explosion welding that can the scale production lay the structure, improve explosive energy utilization, energy saving and consumption reduction.

Description

Energy-saving G30 hastelloy composite board explosive welding structure

Technical Field

The utility model relates to an explosive welding technical field specifically is an energy-saving G30 hastelloy composite sheet explosive welding structure.

Background

The explosive welding technology is a technology for forming metallurgical bonding between two metals by driving a composite plate and a base plate to obliquely collide at a high speed by using energy generated by explosive explosion and generating jet flow at a bonding surface. The explosion welding has the obvious advantages of high welding strength and small heat affected zone, can be theoretically used for welding various dissimilar metals, and becomes an indispensable important production process technology in the fields of petroleum, chemical engineering, aerospace, military facilities and the like based on the core technical advantages of the explosion welding. However, due to the uniqueness of the explosive welding production process, the explosive has low energy utilization rate, excessive noise and serious environmental pollution.

Aiming at the problem that the explosive energy utilization rate is too low in explosive welding, the patent CN201720289126.4 relates to a self-restraint explosive welding device with high energy utilization rate, CN201720013125.7 relates to a protective cover and a charging structure based on double-sided explosive welding, CN201310282589.4 is a special explosive composite structure explosive and an explosive composite method and device, CN201020273645.X is a double-vertical explosive welding device, and CN201410396067.1 is a double-vertical explosive welding self-locking type protection installation device, the disclosed patent technology has obvious effect on improving the utilization rate of explosive energy, wherein the double-vertical explosive welding method can improve the explosive energy utilization rate by more than 60 percent, but although the patent technology effectively solves the problem of low explosive welding energy utilization rate, the problems that the device manufacturing process is complex, wastes time and materials, cannot be reused, is not suitable for large-breadth explosive welding production of composite boards, and the installation of bases and composite boards is difficult in actual production; particularly, during explosive welding, a protective cover, a self-locking device and the like fly around under the action of explosive load, although tall protective walls are built around, great potential safety hazards exist, and the problems not only limit the breadth size of the explosive welding composite board, but also are not suitable for being used in large-scale production. Therefore, it is necessary to develop a new explosion welding technology which is energy-saving, consumption-reducing, safe, reliable, simple in process, economical, practical and suitable for large-scale production.

SUMMERY OF THE UTILITY MODEL

To existing conventionality among the prior art and current charge structure energy utilization low, the environmental hazard is big, production technology is complicated, waste time and energy, the potential safety hazard is outstanding, the limited scheduling reality problem of composite sheet breadth, the utility model aims at providing a simple and easy practicality, safe and reliable and can the large-scale production explosion welding lay the structure, improve explosive energy utilization, energy saving and consumption reduction.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides an energy-saving G30 hastelloy composite sheet explosive welding structure, includes ground, basal plate and composite board, a plurality of clearance support column has evenly been laid at the basal plate top, and the interval between every clearance support column is not less than 200mm, composite board level is placed on a plurality of clearance support columns, and with the basal plate corresponds perpendicularly, just the edge all around of composite board extends the marginal at least 20mm all around of basal plate, composite board has laid the explosive box at the top, cloth is equipped with explosive and detonator in the explosive box, lie in the explosive top and laid the division board in the explosive box, lie in the division board top and evenly laid the yellow sand in the explosive box, the detonator pastes and inserts the setting up explosive after passing yellow sand, division board in proper order by the minor face middle part of explosive box.

Preferably, the thickness of the base layer plate is 30-50mm, the width is 1180-2000mm, the length is 4500-5500mm, and the thickness of the clad layer plate is 2-4mm, the width is 1220-2040mm, and the length is 4500-5500 mm.

Preferably, the gap support columns are arranged in a rhombic structure, and the height of the gap support columns is 6-10mm.

Preferably, the wall thickness of the cartridge is 3-5mm and the height is 80-90mm.

Preferably, the explosive is set to a thickness of 25-33mm.

Preferably, the insulation board is cardboard with a thickness of 2-3 mm.

Preferably, the paving thickness of the yellow sand is 10-14mm.

Preferably, the detonator is inserted into the explosive to a depth of 14 to 16mm.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. in the process of producing the hastelloy metal composite plate by adopting the structure, as the hardboard with the thickness of 2-3mm is laid on the explosive, the hardboard is provided with the yellow sand layer with a certain height, the weight of the yellow sand uniformly applies force on the hardboard, and then the force is applied on the explosive, the density of the explosive under the hardboard is increased, and the explosive density is increased according to the explosive property of the explosive, and the explosive violence of the explosive is correspondingly increased, the using amount of the unit explosive is reduced compared with that of the traditional explosive welded by explosion, thereby achieving the purposes of saving energy and reducing consumption;

and because of the existence of the hard paperboard layer, the yellow sand can be efficiently and quickly uniformly placed on the explosive layer to avoid the compaction of part of the explosive, so that the density of the explosive layer is kept consistent, the explosion speed of the whole explosive layer is also ensured to be consistent, and the aim of consistent shearing strength of an explosion welding bonding interface is fulfilled.

2. Because the hard board layer with a certain thickness is covered on the explosive, and the yellow sand layer is arranged on the hard board layer, the energy-saving effect is achieved in explosive welding, the working capacity of the composite board is increased, and the effect of reducing the using amount of the explosive is achieved again. According to experimental research, compared with the traditional explosive welding process, the process can save more than 1/3 of explosive.

3. Nondestructive testing and mechanical tests show that the indexes of the Hastelloy metal composite plate produced by adopting the structure of the application, such as bonding strength, recombination rate, mechanical property and the like, all meet or exceed the technical requirements of national standard GB/T8165 and industry standard NB/T47002.1; after being applied to the field of large-scale chemical equipment manufacturing industry, the technical parameters of the metal composite plate completely meet the requirements of the metal composite plate under severe conditions such as working environment, temperature, pressure and the like, and import substitution is realized.

Drawings

FIG. 1 is a schematic structural diagram of an apparatus for explosive welding according to the present invention.

The mark in the figure is: 1. the foundation comprises a foundation, 2, a foundation layer plate, 3, a columnar support body, 4, a composite layer plate, 5, an explosive box, 6, powdery emulsion explosive, 7, an isolation plate, 8, yellow sand, 9 and a detonator.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

As shown in the figure, energy-saving G30 hastelloy composite sheet explosive welding structure, including ground 1, base plate 2 and clad plate 4, 2 tops of base plate have evenly laid a plurality of clearance support column 3, and the interval between every clearance support column 3 is not less than 200mm, clad plate 4 level is placed on a plurality of clearance support column 3, and with base plate 2 corresponds perpendicularly, just the edge all around of clad plate 4 all extends base plate 2's edge at least 20mm all around, explosive box 5 has been laid at the 4 tops of clad plate, 5 internal cloth of explosive box is equipped with explosive 6 and detonator 9, 6 tops of explosive box 5 are located and have been laid division board 7, 7 tops of division board evenly are laid yellow sand 8 in explosive box 5, detonator 9 pastes and inserts the setting in 6 explosive after passing yellow sand 8, division board 7 in proper order to the minor face middle part of explosive box 5.

The weight of the yellow sand 8 is uniformly applied to the isolation plate 7, and then the force is uniformly applied to the explosive, so that the density of the explosive below the isolation plate 7 is increased, the density of the explosive 6 is increased according to the explosive property of the explosive 6, and the explosive force and the brisance of the explosive 6 are correspondingly increased, so that the using amount of a unit explosive is reduced compared with that of the traditional explosive welded by explosion, and the purposes of saving energy and reducing consumption are achieved;

secondly, the isolation plate 7 and the yellow sand 8 are jointly used as energy barriers, an energy gathering barrier is formed at the top of the explosive 6, and at the moment of explosion of the explosive 6, a part of the explosive can overflow upwards to block the energy gathering and then acts on the compound layer plate 4 repeatedly, so that the energy utilization rate of the explosive is improved, and the energy-saving effect is achieved.

In addition, the isolation plate 7 and the yellow sand 8 are common and easily-obtained low-cost materials, and can be used infinitely, so that an economic basis is provided for large-scale production, and meanwhile, in the moment of explosive explosion of the isolation plate 7 and the yellow sand 8, the isolation plate 7 and the yellow sand 8 are struck by explosive energy, so that the danger degree is greatly reduced and the potential safety hazard is effectively controlled compared with other structures such as metal parts.

The foregoing is a basic embodiment of the invention, and further modifications, optimizations, or limitations may be made on the foregoing.

Further, the thickness of the base plate 2 is 30-50mm, the width is 1180-2000mm, the length is 4500-5500mm, and the thickness of the clad plate 4 is 2-4mm, the width is 1220-2040mm, and the length is 4500-5500 mm.

Further, the gap support columns 3 are arranged in a diamond structure, and the height of each gap support column 3 is 6-10mm; the wall thickness of the explosive box 5 is 3-5mm, and the height is 80-90mm; the distribution thickness of the explosive 6 is 25-33mm; the isolation plate 7 is a cardboard with the thickness of 2-3 mm; the paving thickness of the yellow sand 8 is 10-14mm; the depth of the detonator 9 inserted into the explosive 6 is 14-16mm.

The specific size limitation on the structures of all the parts aims at effectively improving the explosive energy utilization rate of explosive welding to achieve the aim of energy conservation, and aims at fully ensuring the composite effect of the explosive welding of the metal plate and the mechanical property of the composite plate to meet the national standard and the industrial use standard.

Example 1

The base plate 2 is a Q345R low alloy plate, and has the specification size of 30mm in thickness, 1180mm in width and 4500mm in length; the composite plate 4 is a Hastelloy G30 plate, and has the specification and size of 2mm in thickness, 1220mm in width and 4540mm in length; the isolation plate 7 is made of hard paper and has the thickness of 2mm; firstly, removing an oxidation layer on a surface to be combined of the metal plates, then arranging according to the mechanism, wherein the height of a gap supporting column is 6mm, the explosive laying height is 25mm, the yellow sand laying height is 10mm, and detonating a detonator 9 to obtain the hastelloy G30 metal composite plate with the thickness of (2 + 30) multiplied by 1180 multiplied by 4500 mm.

Example 2

The base plate 2 adopts a Q345R low alloy plate, and the specification and the size are that the thickness is 50mm, the width is 2000mm, and the length is 5500mm; the composite plate 4 is a Hastelloy G30 plate, and has the specification and size of 4mm in thickness, 2040mm in width and 5540mm in length; the isolation plate 7 is made of hard board and has the thickness of 3mm; firstly, removing an oxidation layer on a surface to be combined of the metal plates, then arranging according to the mechanism, wherein the height of a gap supporting column is 10mm, the explosive laying height is 33mm, the yellow sand laying height is 14mm, and detonating a detonator 9 to obtain the hastelloy G30 metal composite plate with the thickness of (4 + 50) multiplied by 1200 multiplied by 5500 mm.

Besides, the clad plate in the present application may also use other alloy plates similar to hastelloy G30, such as hastelloy C59, hastelloy C276, hastelloy B2, etc.

Although the illustrative embodiments of the present invention have been described in order to facilitate those skilled in the art to understand the invention, it is to be understood that the invention is not limited in scope to the particular embodiments, and that various changes may be made apparent to those skilled in the art without departing from the spirit and scope of the invention as defined and defined in the appended claims.

Claims (8)

1. The utility model provides an energy-saving G30 hastelloy composite sheet explosive welding structure, includes ground (1), base plate board (2) and clad plate (4), its characterized in that: evenly laid a plurality of clearance support column (3) at base plate (2) top, interval between every clearance support column (3) is not less than 200mm, compound layer board (4) level is placed on a plurality of clearance support column (3), and with base plate (2) correspond perpendicularly, just the edge all around of compound layer board (4) is extended the edge at least 20mm all around of base plate board (2), explosive box (5) have been laid at compound layer board (4) top, explosive box (5) have been laid explosive (6) and detonator (9), lie in explosive (6) top in explosive box (5) and laid division board (7), lie in division board (7) top evenly laid yellow sand (8) in explosive box (5), detonator (9) lean on and insert in explosive (6) behind short edge middle part that leans on explosive box (5) to pass yellow sand (8), division board (7) in proper order and set up.

2. The explosive welding structure for the energy-saving G30 hastelloy composite plate according to claim 1, wherein: the thickness of the base plate is 30-50mm, the width is 1180-2000mm, the length is 4500-5500mm, and the thickness of the composite plate (4) is 2-4mm, the width is 1220-2040mm, and the length is 4500-5500 mm.

3. The explosive welding structure for the energy-saving G30 hastelloy composite plate according to claim 1, wherein: the gap supporting columns (3) are arranged in a diamond structure, and the height of each gap supporting column (3) is 6-10mm.

4. The explosive welding structure for the energy-saving G30 hastelloy composite plate according to claim 1, wherein: the wall thickness of the explosive box (5) is 3-5mm, and the height is 80-90mm.

5. The explosive welding structure for the energy-saving G30 hastelloy composite plate according to claim 1, wherein: the distribution thickness of the explosive (6) is 25-33mm.

6. The energy-saving type G30 hastelloy composite plate explosive welding structure of claim 1, wherein: the isolation board (7) is a cardboard with the thickness of 2-3 mm.

7. The explosive welding structure for the energy-saving G30 hastelloy composite plate according to claim 1, wherein: the paving thickness of the yellow sand (8) is 10-14mm.

8. The explosive welding structure for the energy-saving G30 hastelloy composite plate according to claim 1, wherein: the depth of the detonator (9) inserted into the explosive (6) is 14-16mm.

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