CN213286738U - Explosion device based on flash explosion cracking - Google Patents

Explosion device based on flash explosion cracking Download PDF

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Publication number
CN213286738U
CN213286738U CN202022235505.XU CN202022235505U CN213286738U CN 213286738 U CN213286738 U CN 213286738U CN 202022235505 U CN202022235505 U CN 202022235505U CN 213286738 U CN213286738 U CN 213286738U
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explosion
flange
flash
flash explosion
flange cover
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熊新宇
解天宁
李斌
解立峰
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Nanjing Senfeng Technology Co ltd
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Nanjing Senfeng Technology Co ltd
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Abstract

The utility model belongs to the technical field of high temperature high pressure schizolysis, especially, disclose an explosion equipment based on flash explosion schizolysis. The explosion device comprises a flash explosion generating cylinder, a flange component, an ignition electrode rod, a vacuum pumping air pump and a raw material air tank. The utility model discloses a mode that ring flange and blind flange were collocated mutually makes the flash explosion take place a section of thick bamboo and forms an airtight space, and sets up a plurality of holes that ring flange and flange were covered and be used for inserting respectively and establish ignition electrode stick or intercommunication evacuation air pump or raw gas tank etc. has satisfied this flash explosion and has taken place the explosion reaction demand in the section of thick bamboo. The explosion device has a simple structure, is easy to operate, and meets the safety requirement of explosion reaction.

Description

Explosion device based on flash explosion cracking
Technical Field
The utility model belongs to the technical field of high temperature high pressure schizolysis, it is particularly, relate to an explosion equipment based on flash explosion schizolysis.
Background
The high-temperature high-pressure cracking process is generally used for preparing certain specific products, and has the advantages of rapid reaction, rapid preparation, simple operation and the like, but when the high-temperature high-pressure cracking method is used for preparing the products, the instantaneous energy release in the explosion process is huge, and the operation risk is greatly improved, so that a special explosion device is generally needed for carrying out the process. However, based on the characteristics of the high-temperature high-pressure cracking process, the explosive device generally has higher requirements for structure, material and the like.
Therefore, it is necessary to invent an explosive device based on the high-temperature high-pressure cracking technology, so that the explosive device can meet the experimental requirements of flash explosion cracking.
SUMMERY OF THE UTILITY MODEL
For solving the problem that above-mentioned prior art exists, the utility model provides an explosion equipment based on flash explosion schizolysis, this explosion equipment simple structure, convenient operation can carry out explosion reaction simply safely.
In order to achieve the above object, the present invention adopts the following technical solutions:
an explosive device based on flash explosion cracking, comprising the following components:
the flash explosion generating cylinder is a hollow cylinder body with an opening at one end;
the flange assembly comprises a flange plate, a flange cover and a sealing gasket; the flange plate is clamped at the opening of the flash explosion generating cylinder, the flange cover is buckled on the flange plate in a butt joint mode, and the sealing washer is clamped between the flange plate and the flange cover; the flange cover is provided with an electrode threaded hole and an air inlet and outlet hole;
the ignition electrode rod is inserted into the electrode threaded hole, and the bottom end of the ignition electrode rod is positioned inside the flash explosion generating cylinder;
the vacuumizing air pump is communicated with the flash explosion generating cylinder through the air inlet and outlet;
and the raw material gas tank is communicated with the flash explosion generating barrel through the gas inlet and outlet hole, and the raw material gas tank is communicated with the vacuumizing air pump at most by one.
Furthermore, a pressure measuring threaded hole is formed in the flange cover, and the explosion device further comprises a pressure gauge; wherein the pressure gauge is communicated with the flash explosion generating barrel through the pressure measuring threaded hole.
Further, the electrode threaded hole is formed in the center of the flange cover.
Preferably, the air inlet and outlet hole and the pressure measuring threaded hole are arranged on two sides of the electrode threaded hole.
Further, the flange plate and the flange cover are fixedly sealed through sealing bolts.
Further, the explosion device also comprises an initiator electrically connected with the ignition electrode bar, and the initiator is used for electrifying the ignition electrode bar to realize ignition.
Further, the flange cover is made of carbon steel, and the flash explosion generating cylinder is made of carbon steel.
The utility model discloses a mode that ring flange and blind flange were collocated mutually makes the flash explosion take place a section of thick bamboo and forms an airtight space, and sets up a plurality of holes that ring flange and flange were covered and be used for inserting respectively and establish ignition electrode stick or intercommunication evacuation air pump or raw gas tank etc. has satisfied this flash explosion and has taken place the explosion reaction demand in the section of thick bamboo. The explosion device has a simple structure, is easy to operate, and meets the safety requirement of explosion reaction.
Drawings
The above and other aspects, features and advantages of embodiments of the present invention will become more apparent from the following description taken in conjunction with the accompanying drawings, in which:
fig. 1 is a schematic structural view of an explosive device according to the present invention;
fig. 2 is a schematic structural diagram of a flash explosion generating cylinder sleeved with a flange plate in an explosion device according to the invention;
fig. 3 is a schematic structural view of a flange cover in an explosive device according to the present invention;
figure 4 is an XRD picture of the product obtained according to example 1 of the present invention;
fig. 5 and 6 are SEM pictures of the product obtained according to example 1 of the present invention at different magnifications;
figure 7 is an XRD picture of the product obtained according to example 2 of the present invention;
fig. 8 and 9 are SEM pictures of the product obtained according to example 2 of the present invention at different magnifications.
Detailed Description
Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. The present invention may, however, be embodied in many different forms and should not be construed as limited to the specific embodiments set forth herein. Rather, these embodiments are provided to explain the principles of the invention and its practical application to thereby enable others skilled in the art to understand the invention for various embodiments and with various modifications as are suited to the particular use contemplated. In the drawings, the shapes and sizes of elements may be exaggerated for clarity, and the same reference numerals will be used throughout to designate the same or similar elements.
It should be noted that, in the present invention, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "center", "vertical", "horizontal", "longitudinal", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are used primarily to better describe the invention and its embodiments, and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in the present invention can be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Based on the special requirement to explosion equipment when adopting high temperature high pressure schizolysis technique among the prior art, the utility model provides an explosion equipment based on flash explosion schizolysis, this explosion equipment has the effect of simple structure, easily operation.
With particular reference to fig. 1, the explosive device comprises the following components: the device comprises a flash explosion generating cylinder 1, a flange component 2, an ignition electrode rod 3, a vacuumizing air pump 4 and a raw material air tank 5.
Specifically, referring to fig. 2, the flash explosion generating cylinder 1 is a hollow cylinder having an opening 11 at one end. And the flange assembly 2 comprises a flange plate 21, a flange cover 22 and a sealing gasket 23; the flange plate 21 is clamped at the opening 11 of the flash explosion generating cylinder 1, the flange cover 22 is buckled on the flange plate 21, and the sealing washer 23 is clamped between the flange plate 21 and the sealing washer to realize the sealing effect on the flash explosion generating cylinder 1, so that the flash explosion generating cylinder 1 forms a closed space.
Referring to fig. 3, the flange cover 22 is provided with a threaded hole 221 for an electrode and an air inlet/outlet hole 222. Wherein the ignition electrode bar 3 is inserted in the electrode threaded hole 221, and the bottom end of the ignition electrode bar 3 is positioned in the flash explosion generating cylinder 1; the air inlet and outlet 222 is connected to the vacuum pump 4 and the raw material gas tank 5, both of which are connected to the flash explosion generating cylinder 1 through the air inlet and outlet 222.
The vacuumizing air pump 4 is used for vacuumizing the flash explosion generating barrel 1, and the raw material air tank 5 is used for storing the reaction gas filled into the flash explosion generating barrel 1.
Generally, when the explosion device is used, the vacuum air pump 4 and the raw material air tank 5 are communicated into the flash explosion generating cylinder 1 at most, namely, one of the vacuum air pump and the raw material air tank is communicated with the flash explosion generating cylinder 1, or both of the vacuum air pump and the raw material air tank are closed and are not communicated with the flash explosion generating cylinder 1.
Further, a pressure measuring threaded hole 223 is formed in the flange cover 22, and the explosion device further includes a pressure gauge 6. The pressure gauge 6 communicates with the flash explosion generating cylinder 1 via a pressure measuring screw hole 223.
In order to ensure that the interior of the explosion device can generate stable explosion reaction when in use, the electrode threaded hole 221 is preferably arranged at the central position of the flange cover 22, so that the ignition electrode rod 3 is positioned on the central axis of the flash explosion generating cylinder 1 when in use and can uniformly initiate explosion.
Further preferably, the inlet and outlet air holes 222 and the pressure sensing screw hole 223 are symmetrically disposed at both sides of the electrode screw hole 221.
Preferably, the flange 21 and the flange cover 22 are fixedly sealed by sealing bolts (not shown in the figure); that is, a plurality of lower seal bolt holes 211 are formed around the periphery of the flange plate 21, a plurality of upper seal bolt holes 224 are formed around the periphery of the flange cover 22, and each upper seal bolt hole 224 is opposed to each lower seal bolt hole 211 and fixed by a seal bolt.
As a further illustration, the explosive device further comprises an initiator (not shown in the figures) electrically connected to the ignition electrode rod 3. The initiator is used to energize the firing electrode rod 3 to effect firing.
Further, when the explosion device is used, any one of a fuse wire, a chemical ignition head, a resistance wire and electric sparks can be adopted, if the explosion device is ignited by adopting the fuse wire, the fuse wire is fixed at the bottom end of the ignition electrode bar 3, and after the initiator is started to electrify the ignition electrode bar 3, the fuse wire is heated and fused to initiate flash explosion.
As a means for generating an explosive reaction inside, carbon steel is preferably used as the material of the flange cover 22 and the flash-explosion generating cylinder 1.
The utility model provides an above-mentioned explosive device can be used to prepare some materials based on the explosion method, provides a brand-new acetylene black's preparation method as following embodiment.
In the application of the explosive device disclosed in the present invention as the following embodiment, the dimensions of the respective components in the explosive device are specifically controlled as follows: the size of the flash explosion generating cylinder 1 is phi 273mm 424mm 12 mm; the diameter of the flange cover 22 is 425mm, and the thickness is 40 mm; the pressure tap hole 223 has a size M20 × 1.5 (i.e., a diameter of 20mm, a pitch of 1.5mm, the same applies below); the size of the electrode threaded hole 221 is M40 × 2; the size of the inlet/outlet vents 222 is M20 × 1.5.
It should be noted that, the present invention discloses an above-mentioned explosive device, wherein the size of each component need not to be specially limited, wherein the length-diameter ratio and the thickness of the flash explosion generating cylinder 1 are related to the initial pressure and/or the reaction pressure of the internal reactant in the practical application, that is, the specific size thereof is specifically limited according to the practical application.
Example 1
Firstly, a fuse wire is fixed on ignition electrode rods, the distance between the two ignition electrode rods is controlled to be 2mm, and the fuse wire is arranged at the central part of the upper end in a flash explosion generating cylinder.
Then, a sealing gasket (phi 340/phi 273 x 3, where 3 denotes a thickness of 3mm) made of teflon was placed between the flange cover and the flange plate, and the flange cover and the flange plate were fixedly sealed together through the upper and lower sealing bolt holes using sealing studs (M27 x 120).
And thirdly, pumping the flash explosion generating cylinder to be completely vacuum by using a vacuum pumping air pump, standing for 10min, and feeding acetylene gas into the flash explosion generating cylinder to 0.2MPa if the pressure gauge does not change any more, which indicates that the air tightness of the flash explosion generating cylinder is good. And standing for 10min, if the pressure gauge does not change, igniting the fuse wire by using an isolation variable-pressure exploder, releasing energy in the fusing process of the fuse wire to detonate instantly, and exploding acetylene gas to crack the fuse wire.
And finally, opening the air inlet and outlet to discharge waste gas generated in the cracking process, and collecting black products in the flash explosion generating cylinder.
To characterize the black product formed by the flash cracking reaction, the black product was examined using a D8ADVANCEX ray diffractometer and the XRD pattern obtained is shown in fig. 4. As can be seen from fig. 4, the black product is graphitized acetylene black.
SEM pictures obtained under different magnifications by testing the acetylene black by a JEOLJSM-6380LV type field emission scanning electron microscope are shown in figures 5 and 6. As can be seen from fig. 5 and 6, the acetylene black obtained was nano-sized spherical particles.
Testing the particle size of the acetylene black by using a BT-9300H laser particle size distribution instrument, wherein the site diameter d50Is 101.23 nm.
Example 2
Firstly, a resistance wire is fixed on ignition electrode rods, the distance between the two ignition electrode rods is controlled to be 2mm, and the resistance wire is arranged in the central position of the upper end in a flash explosion generating cylinder.
Then, a sealing gasket (phi 340/phi 273 x 3) made of teflon was placed between the flange cover and the flange plate, and the flange cover and the flange plate were fixedly sealed together through upper and lower sealing bolt holes using sealing studs (M27 x 120).
And thirdly, pumping the flash explosion generating cylinder to be completely vacuum by using a vacuum pumping air pump, standing for 10min, and feeding acetylene gas into the flash explosion generating cylinder to 0.4MPa if the pressure gauge does not change any more, which indicates that the air tightness of the flash explosion generating cylinder is good. And standing for 10min, if the pressure gauge does not change, igniting the resistance wire by using the isolated variable-pressure exploder, releasing energy from the resistance wire to explode instantly, and exploding acetylene gas by flash explosion to crack the resistance wire.
And finally, opening the air inlet and outlet to discharge waste gas generated in the cracking process, and collecting black products in the flash explosion generating cylinder.
To characterize the black product formed by the flash cracking reaction, the black product was examined using a D8ADVANCEX ray diffractometer and the XRD pattern obtained is shown in fig. 7. As can be seen in fig. 7, the black product is graphitized acetylene black.
SEM pictures obtained under different magnifications by testing the acetylene black by a JEOLJSM-6380LV type field emission scanning electron microscope are shown in figures 8 and 9. As can be seen from fig. 8 and 9, the acetylene black obtained was nano-sized spherical particles.
Testing the particle size of the acetylene black by using a BT-9300H laser particle size distribution instrument, wherein the site diameter d50Is 56.18 nm.
It can be seen from the above embodiments that the above-mentioned explosion device provided by the present invention shows excellent efficacy when acetylene black is prepared based on flash explosion cracking technology. Firstly, the acetylene gas only used as a raw material participates in the flash explosion cracking reaction, no other impurities exist, the generated acetylene black has no other impurities, the purity is high, compared with the common preparation method in the prior art, the purification treatment after preparation is not needed, the preparation cost is reduced, and pollution is avoided; secondly, the preparation process utilizes instantaneous flash explosion to crack acetylene, so that not only is the energy consumption low, but also the conversion rate of nearly 100 percent is ensured; thirdly, the acetylene black is prepared based on the explosion device, the process is simple, the operation is easy, the production period is short, the efficiency is high, and the method can be put into industrial production.
While the invention has been shown and described with reference to certain embodiments, those skilled in the art will understand that: various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.

Claims (6)

1. An explosive device based on flash explosion cracking is characterized by comprising the following components:
the flash explosion generating cylinder is a hollow cylinder body with an opening at one end;
the flange assembly comprises a flange plate, a flange cover and a sealing gasket; the flange plate is clamped at the opening of the flash explosion generating cylinder, the flange cover is buckled on the flange plate in a butt joint mode, and the sealing washer is clamped between the flange plate and the flange cover; the flange cover is provided with an electrode threaded hole and an air inlet and outlet hole;
the ignition electrode rod is inserted into the electrode threaded hole, and the bottom end of the ignition electrode rod is positioned inside the flash explosion generating cylinder;
the vacuumizing air pump is communicated with the flash explosion generating cylinder through the air inlet and outlet;
and the raw material gas tank is communicated with the flash explosion generating barrel through the gas inlet and outlet hole, and the raw material gas tank is communicated with the vacuumizing air pump at most by one.
2. The explosive device according to claim 1, wherein the flange cover is further provided with a pressure measuring threaded hole, and the explosive device further comprises a pressure gauge; wherein the pressure gauge is communicated with the flash explosion generating barrel through the pressure measuring threaded hole.
3. The explosive device according to claim 1 or 2, wherein said electrode screw hole is opened at a central position of said flange cover.
4. The explosive device of claim 3, wherein said flange and said flange cover are fixedly sealed by seal bolts.
5. The explosive device of claim 1, further comprising an initiator electrically connected to said firing electrode rod, said initiator being configured to energize said firing electrode rod to effect ignition.
6. The explosive device of claim 1, wherein said flange cover is a carbon steel flange cover and said flash detonation generating cartridge is a carbon steel flash detonation generating cartridge.
CN202022235505.XU 2020-10-09 2020-10-09 Explosion device based on flash explosion cracking Active CN213286738U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022235505.XU CN213286738U (en) 2020-10-09 2020-10-09 Explosion device based on flash explosion cracking

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022235505.XU CN213286738U (en) 2020-10-09 2020-10-09 Explosion device based on flash explosion cracking

Publications (1)

Publication Number Publication Date
CN213286738U true CN213286738U (en) 2021-05-28

Family

ID=76012393

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022235505.XU Active CN213286738U (en) 2020-10-09 2020-10-09 Explosion device based on flash explosion cracking

Country Status (1)

Country Link
CN (1) CN213286738U (en)

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