CN217667097U

CN217667097U - C276 hastelloy composite plate explosive welding structure capable of synchronously reducing dust

Info

Publication number: CN217667097U
Application number: CN202221621302.7U
Authority: CN
Inventors: 侯国亭; 冯健; 张陆定; 张晓飞; 刘献甫; 荆永波; 刘聪
Original assignee: Wugang Shenzhou Heavy Industry Clad Metal Materials Co ltd
Current assignee: Wugang Shenzhou Heavy Industry Clad Metal Materials Co ltd
Priority date: 2022-06-27
Filing date: 2022-06-27
Publication date: 2022-10-28
Anticipated expiration: 2032-06-27

Abstract

A C276 hastelloy composite plate explosive welding structure capable of synchronously reducing dust comprises a foundation, a base plate, a V-shaped support column and a composite plate, wherein an explosive box and an explosive are arranged at the top of the composite plate, a detonator is arranged in the explosive, the explosive box is formed by enclosing four gray paper plates, the bottom of each gray paper plate is bonded at the edge of the composite plate, and the end parts of any two adjacent gray paper plates are sealed and bonded through adhesive tapes; the depth of the explosive box is greater than the filling height of the explosive, so that an explosive pressing cavity is formed in the explosive box at the upper side of the explosive, a plastic film is paved in the explosive pressing cavity, and the plastic film is tightly attached to the inner wall of the explosive pressing cavity and extends outwards to the periphery of the explosive box, so that the explosive pressing cavity is completely isolated from the explosive; the pressing cavity is filled with clear water. The utility model discloses an explosion welding composite sheet production that environmental protection, high efficiency and simple and easy scale production reach the requirement of environmental protection.

Description

C276 hastelloy composite plate explosive welding structure capable of synchronously reducing dust

Technical Field

The utility model relates to an explosion welding technical field specifically is a C276 hastelloy composite sheet explosion welding structure that can fall dust in step.

Background

As is known, explosive welding is a special welding technique, and the charging form of the welding technique is greatly different from general engineering blasting, and the blasting also has characteristics of the surrounding environment. Because explosive welding is exposed charge, dust and harmful gas generated by explosion are transmitted and diffused to the periphery without being hindered, and the harmful gas has adverse effect on vegetation and people and livestock at a certain distance around an explosion point. In order to reduce the influence of the dust and the harmful gas on the surrounding environment, research on the type of explosive used, the water content of the explosive, the oxygen balance of the explosive and the like has been conducted in the related documents disclosed in the prior art respectively, so as to find out the key data influencing the generation of the harmful gas, and attempt to establish a wave barrier around the explosion point to block the remote transmission of the dust and the harmful gas, and the prior art documents also propose that the method of spraying and watering the explosion point immediately after explosion can be adopted to reduce the aggregation and diffusion of the dust and the harmful gas. Although the methods for suppressing dust and reducing harmful gases proposed in the above documents are feasible, they all have the disadvantages of serious low efficiency and poor effect, and cannot directly and effectively solve the problems. Moreover, with the continuous development of scientific and technical departments and the strict requirements on low carbon and environmental protection in recent years, the negative influence of explosive welding harmful gas and dust on the environment is more and more emphasized, higher and tighter standards and requirements are provided for the environmental protection treatment of explosive welding harmful gas and dust, and the key problem of realizing the explosive welding mass production is how to simply and efficiently inhibit the explosive welding dust and harmful gas in the explosive welding mass production, and how to develop a new technology which is safe, reliable, environment-friendly and energy-saving is the key problem.

SUMMERY OF THE UTILITY MODEL

Produce harmful gas and dust to current explosive welding in-process to influence the problem of the all ring edge borders of explosion, the utility model aims at designing a can effectively restrain the dust and reduce the novel explosive welding structure of harmful gas diffusion in explosive welding to this realizes the explosive welding composite sheet production of environmental protection, high efficiency and simple and easy scale production, reaches the requirement of environmental protection.

The utility model discloses a solve the technical scheme that above-mentioned problem was taken as follows:

a C276 hastelloy composite plate explosive welding structure capable of synchronously reducing dust comprises a foundation, a base plate, a V-shaped support column and a composite plate, wherein an explosive box and an explosive are arranged at the top of the composite plate, a detonator is arranged in the explosive, the explosive box is formed by enclosing four gray paper plates, the bottom of each gray paper plate is bonded at the edge of the composite plate, and the end parts of any two adjacent gray paper plates are sealed and bonded through adhesive tapes;

the depth of the explosive box is greater than the filling height of the explosive, so that an explosive pressing cavity is formed in the explosive box at the upper side of the explosive, a plastic film is paved in the explosive pressing cavity, and the plastic film is tightly attached to the inner wall of the explosive pressing cavity and extends outwards to the periphery of the explosive box, so that the explosive pressing cavity is completely isolated from the explosive;

the pressing cavity is filled with clear water.

Preferably, the depth of the explosive box is 65-80mm, the wall thickness is 1.5-2mm, the arrangement height of the explosives is 30-40mm, and the filling height of the clear water is 20-25mm.

Preferably, the detonator is vertically inserted into the explosive through a gap between the plastic film and the explosive box.

Preferably, the height of the V-shaped supporting column is 6-10mm.

Preferably, the base plate is Q345R low alloy steel, the clad plate is C276 hastelloy, and the peripheral edges of the clad plate extend out of the peripheral edges of the base plate by at least 20mm.

Preferably, the base plate has the thickness of 30-50mm, the width of 1180-2000mm and the length of 4500-5500mm; the thickness of the composite layer is 2-4mm, the width is 1220-2040mm, and the length is 4540-5540mm.

The invention adopts the technical scheme, and has the following beneficial effects: .

1. Nondestructive testing and mechanical tests show that indexes such as bonding strength, recombination rate, mechanical property and the like of the Hastelloy C276 metal composite plate produced by adopting the structure of the utility model all meet or exceed the technical requirements of national standard GB/T8165 and industry standard NB/T47002.1; after being applied to the manufacture of polysilicon equipment in a large scale, the technical parameters completely meet the requirements of the polysilicon equipment under severe conditions such as service environment, temperature, pressure and the like, and import substitution is realized.

2. Adopt the utility model discloses structure production hastelloy C276 metal composite board in-process, because during the explosive explosion, water layer on it atomizes in the twinkling of an eye and condenses rapidly and catch harmful gas, float dirt etc. alleviate the harmful effects of explosion welding smoke and dust to all ring edge borders greatly, compare in traditional blasting back water spray dust fall, hinder methods such as wave wall hindrance harmful gas diffusion, it is simple and easy, labour saving and time saving, it is swift high-efficient, its dust fall effect is superior to traditional dust fall method, the smoke and dust that exists in the traditional explosion welding production has effectively been solved, the serious problem of dust pollution.

3. In the process of producing the hastelloy C276 metal composite plate, a certain amount of water layer is arranged above the explosive, and the weight of water is uniformly applied to the explosive, so that the density of the explosive below the water layer is increased, the density of the explosive is increased according to the explosive property of the explosive, and the explosive violence is also increased, so that the usage amount of single-explosive is correspondingly reduced.

Drawings

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

The labels in the figure are: 1. the base comprises a foundation, 2, a base layer plate, 3, a V-shaped support column, 4, a composite layer plate, 5, an explosive box, 6, expanded ammonium nitrate explosive, 7, a plastic film, 8, clear water, 9 and a detonator.

Detailed Description

The present application is further described below with reference to the accompanying drawings and examples.

As shown in the figure, the explosive welding structure for the C276 hastelloy composite plate capable of synchronously reducing dust comprises a foundation 1, a base plate 2, a V-shaped supporting column 3 and a composite plate 4, wherein an explosive box 5 and an explosive 6 are arranged at the top of the composite plate 4, a detonator 9 is arranged in the explosive 6, the explosive box 5 is formed by enclosing four gray paper plates, the bottom of each gray paper plate is bonded at the edge of the composite plate 4, and the end parts of any two adjacent gray paper plates are sealed and bonded through an adhesive tape;

the depth of the explosive box 5 is greater than the filling height of the explosive 6, so that an explosive pressing cavity 10 is formed in the explosive box 5 at the upper side of the explosive 6, a plastic film 7 is paved in the explosive pressing cavity 10, and the plastic film 7 is tightly attached to the inner wall of the explosive pressing cavity 10 and extends outwards to the periphery of the explosive box 5, so that the explosive pressing cavity 10 is completely isolated from the explosive 6;

the pressing medicine cavity 10 is filled with clear water 8.

Example 1

According to the layout structure, the depth of the explosive box 5 is 65mm, the wall thickness is 1.5mm, the layout height of the explosives 6 is 30mm, and the filling height of the clear water 8 is 20mm; the detonator 9 is vertically inserted into the explosive 6 through a gap between the plastic film 7 and the explosive box 5; the height of the V-shaped supporting column 3 is 6mm; the base plate 2 is Q345R low alloy steel, the composite plate 4 is C276 hastelloy, and the peripheral edge of the composite plate 4 extends out of the peripheral edge of the base plate 2 by 20mm; the thickness of the base layer plate 2 is 30mm, the width is 1180mm, and the length is 4500mm; the thickness of the clad plate 4 is 2mm, the width is 1220mm, and the length is 4540mm.

Example 2

According to the arrangement structure, the depth of the explosive box 5 is 80mm, the wall thickness is 2mm, the arrangement height of the explosive 6 is 40mm, and the filling height of the clear water 8 is 25mm; the detonator 9 is vertically inserted into the explosive 6 through a gap between the plastic film 7 and the explosive box 5; the height of the V-shaped supporting column 3 is 10mm; the base plate 2 is Q345R low alloy steel, the composite plate 4 is C276 hastelloy, and the peripheral edge of the composite plate 4 extends out of the peripheral edge of the base plate 2 by at least 20mm; the thickness of the base layer plate 2 is 50mm, the width is 2000mm, and the length is 5500mm; the thickness of the multilayer plate 4 is 4mm, the width is 2040mm, and the length is 5540mm.

Example 3

According to the layout structure, the depth of the explosive box 5 is 70mm, the wall thickness is 2mm, the layout height of the explosives 6 is 35mm, and the filling height of the clear water 8 is 23mm; the detonator 9 is vertically inserted into the explosive 6 through a gap between the plastic film 7 and the explosive box 5; the height of the V-shaped supporting column 3 is 8mm; the base plate 2 is Q345R low alloy steel, the composite plate 4 is C276 hastelloy, and the peripheral edge of the composite plate 4 extends out of the peripheral edge of the base plate 2 by at least 20mm; the thickness of the base layer plate 2 is 40mm, the width is 1500mm, and the length is 5000mm; the thickness of the clad laminate 4 is 3mm, the width is 1540mm, and the length is 5040mm.

The bonding strength of the Hastelloy C276 metal composite plate obtained in the embodiment reaches 320-380Mpa (far higher than 210 Mpa standard), the recombination rate is 100%, all mechanical properties are within the technical requirements of national standard GB/T8165 and industry standard NB/T47002.1, the embodiment can be put into large-scale production, when the Hastelloy C276 metal composite plate is applied to the field of polysilicon equipment manufacturing, all technical parameters of the metal composite plate completely meet the requirements of the field on harsh conditions such as service environment, temperature, pressure and the like, and import substitution is realized.

The core of this application lies in the top at the explosive covers one deck clear water 8, because the existence of clear water layer, the clear water is under the effect of explosive explosion energy, atomizing in the twinkling of an eye, the water smoke that forms spreads out, can be with the floating dust that produces because of the explosion, harmful gas condenses the seizure, the injection volume of clear water 8 also is complete cooperation explosive amount through strict calculation simultaneously, atomizing clear water can be totally with the produced floating dust and the harmful gas seizure of the explosive that lay totally empty, there can not be the not enough condition of atomizing water smoke amount, compare in traditional explosion after water spray dust fall operation, hinder methods such as wave wall hindrance harmful gas diffusion, main advantage lies in:

1) In the traditional mode, after blasting is finished for 5min, dust falling equipment such as a fog gun vehicle is quickly sent to a blasting site, spraying dust falling measures are carried out for at least 30min, then personnel can enter the blasting site to investigate the welding condition of the metal composite plate, the biggest problem is dust falling hysteresis, and a large amount of time cost and process cost are paid in large-scale production;

the embodiment of the invention can completely and thoroughly avoid the problems in practice, and mainly aims to realize dust fall through atomized clear water while explosion, and the dust fall effect is basically equal to the effect of continuously falling dust for more than 30min by using a fog gun vehicle, so that on one hand, fog dust fall equipment does not need to be additionally used after explosion, the process cost is saved, on the other hand, the explosion and dust fall are synchronous, the problem of dust fall hysteresis is avoided, personnel can directly enter a field for inspection after explosion, and the time cost is saved.

2) The traditional mode can only carry out dust fall treatment on dust flying on an explosion welding site, but cannot treat harmful gases such as carbon monoxide, nitric oxide and the like generated along with explosion welding, can only adsorb a part of harmful gases along with the dust fall process, and a large amount of harmful gases still need to wait for free diffusion, thereby causing great influence on the surrounding environment;

the embodiment of the invention can explode, simultaneously, the clear water and the explosive are positioned at the same source, most of harmful gas can be directly adsorbed and condensed through the atomized water mist at the explosion moment through the floating dust, the diffusion of the harmful gas is prevented to a great extent, and the effect of reducing harm is further achieved.

In a word, this application explosive welding structure has apparent dust suppression dust fall effect, still has the effect of reducing harmful gas simultaneously concurrently, has gone on in the practice and has been put into large-scale production.

In addition, it should be noted that, in addition to the hastelloy C276, the clad plate 4 in the present application may also be made of other alloy plates having similar properties, such as hastelloy C22, hastelloy B2, and the like.

Although illustrative embodiments of the invention have been described above to facilitate the understanding of the invention by those skilled in the art, it should be understood that the invention is not limited to the scope of the embodiments, and that various changes may be 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

1. The utility model provides a C276 hastelloy composite sheet explosion welding structure that can synchronous dust fall, includes ground (1), base plate (2), V type support column (3), clad plate (4) top is provided with explosive box (5) and explosive (6), be provided with detonator (9) in explosive (6), its characterized in that: the explosive box (5) is formed by enclosing four gray paper plates, the bottom of each gray paper plate is bonded to the edge of the composite plate (4), and the end parts of any two adjacent gray paper plates are sealed and bonded through adhesive tapes;

the depth of the explosive box (5) is greater than the filling height of the explosive (6) so as to form an explosive pressing cavity (10) at the upper side of the explosive (6) in the explosive box (5), a plastic film (7) is paved in the explosive pressing cavity (10), and the plastic film (7) is tightly attached to the inner wall of the explosive pressing cavity (10) and extends out of the periphery of the explosive box (5) so as to completely isolate the explosive pressing cavity (10) from the explosive (6);

clear water (8) is filled in the medicine pressing cavity (10).

2. The C276 hastelloy composite plate explosion-welded structure capable of synchronously reducing dust of claim 1, wherein: the depth of the explosive box (5) is 65-80mm, the wall thickness is 1.5-2mm, the arrangement height of the explosive (6) is 30-40mm, and the filling height of the clear water (8) is 20-25mm.

3. The C276 hastelloy composite plate explosion-welded structure capable of synchronously reducing dust of claim 1, wherein: the detonator (9) is vertically inserted into the explosive (6) through a gap between the plastic film (7) and the explosive box (5).

4. The C276 hastelloy composite plate explosion welding structure capable of synchronously reducing dust of claim 1, wherein: the height of the V-shaped supporting column (3) is 6-10mm.

5. The C276 hastelloy composite plate explosion welding structure capable of synchronously reducing dust of claim 1, wherein: the base plate (2) is Q345R low alloy steel, the clad plate (4) is C276 hastelloy, and the peripheral edge of the clad plate (4) extends out of the peripheral edge of the base plate (2) by at least 20mm.

6. The C276 hastelloy composite plate explosion-welded structure capable of synchronously reducing dust of claim 1, wherein: the thickness of the basal plate (2) is 30-50mm, the width is 1180-2000mm, and the length is 4500-5500mm; the thickness of the clad plate (4) is 2-4mm, the width is 1220-2040mm, and the length is 4540-5540mm.