CN206056398U - A kind of cryopreservation liquid CO2 electric heating demolition set - Google Patents
A kind of cryopreservation liquid CO2 electric heating demolition set Download PDFInfo
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- CN206056398U CN206056398U CN201621089511.6U CN201621089511U CN206056398U CN 206056398 U CN206056398 U CN 206056398U CN 201621089511 U CN201621089511 U CN 201621089511U CN 206056398 U CN206056398 U CN 206056398U
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- tube
- inner tube
- electric heating
- outer tube
- steel shaft
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Abstract
This utility model provides a kind of cryopreservation liquid CO2Electric heating demolition set, it includes agent structure, the agent structure is made up of inner and outer tubes two-layer sealed tube, the outside uniform winding of said inner tube has Aludirome silk, the end of the Aludirome silk is connected with wire, and the outside of the outer tube is pasted with asbestos heat-insulation layer, and said inner tube internal compression has liquid CO 2, it is evacuated in the outer tube, and ensures to separate by vacuum between inner and outer pipes;The two ends of said inner tube are fixed with central steel shaft, the other end of the central steel shaft is fixed on the both ends of the surface of outward appearance by nut check, one end that the central steel shaft is engaged with inner tube is threaded section, and the thread segment is closed with the corresponding threaded holes of inner tube end face and constitutes interior tube valve.Can solve the problem that some negative effects that conventional blast is caused, it is adaptable to the compound explosion such as controlled blasting.
Description
Technical field
This utility model is related to the blasting technique such as controlled blasting field, particularly a kind of cryopreservation liquid CO2Explosion
Breaking device.
Background technology
In blasting engineering, traditional blasting method be using explosive explosion energy to the rock of surrounding, concrete or
The media such as soil carry out crushing, throwing or compression, reach predetermined excavation, fill or process etc. the technology of engineering purpose.Traditional
Blasting method belongs to chemical explosion, the adjoint dust of the harm with most typically chemical reaction, such as bursting work and has poison
The negative effects such as body.Liquid CO2Electric heating explosion is that one kind adopts liquid CO in hole2The blasting method of gasification expansion, after blast
CO2Gas more has safety than explosive, will not be with the generation of toxic gas, and airborne dust ratio is reduced, without destruction in blasting process
Property vibrations and shortwave, can effective control blasting flyrock, seismic wave, air-shock wave, for public nuisance from blasting effective control has
Important meaning.During bursting work, multiple explosive cartridges can be simultaneously in parallel, compares charge explosion, changes the strong and weak control ferrum-chromium-aluminum of electric current and closes
The firing rate of spun gold, can accomplish that millisecond time initiation control is interval time more accurate between conventional row, and plasting damage effect
Greatly, after explosion, rock is individual big.Compare with explosive, liquid CO2It is more direct for the transmission of energy, in hgher efficiency, on the market two
Carbonoxide is easily purchased, and partial devices are reusable, more cost-effective.
But liquid CO2Electric heating blasting method there is also some defects.Device lay need it is just effective using free face,
Deep basal pit or the bad scope of operation of soaring aloft just are not suitable for liquid CO2Electric heating blasting method;Explosive cartridge filling process and site operation
More complicated, the operation to operating personnel has high demands.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of cryopreservation liquid CO2Electric heating demolition set, energy
Some negative effects that conventional blast is caused are solved enough, it is adaptable to the compound explosion such as controlled blasting.
In order to solve above-mentioned technical problem, the utility model proposes technical scheme below:A kind of cryopreservation liquid CO2Electricity
Thermal explosion breaking device, it includes agent structure, and the agent structure is made up of inner and outer tubes two-layer sealed tube, outside said inner tube
The end that portion's uniform winding has Aludirome silk, the Aludirome silk is connected with wire, the outside attaching of the outer tube
There is asbestos heat-insulation layer, said inner tube internal compression has liquid CO2, it is evacuated in the outer tube, and ensures to lead between inner and outer pipes
Cross vacuum to separate;The two ends of said inner tube are fixed with central steel shaft, and the other end of the central steel shaft is fixed by nut check
In the both ends of the surface of outward appearance, one end that the central steel shaft is engaged with inner tube is threaded section, the thread segment and inner tube
The corresponding threaded holes in face are closed and constitute interior tube valve.
The outer tube is made using steel sheet metal layer, and said inner tube is made using copper metal level.
Said inner tube is controlled 1 with the diameter ratio of outer tube:1.5~1:2, highly than controlling 1:1.2~1:1.5.
The outer tube diameter of the agent structure is 250~310mm, diameter of inner pipe is 120~150mm.
This utility model has the advantages that:
A kind of cryopreservation liquid CO of this utility model2Electric heating demolition set, is constituted by arranging inside and outside two-layer sealed tube
Agent structure, inner tube using Aludirome silk wind heat conduction, inner tube attach asbestos heat-insulation layer it is heat-insulated by the way of, compared to tradition
Charge explosion, before the explosion of the method, time is less, is adapted to the controlled blasting that time is pressing and the task is heavy.
In itself, carbon dioxide gass are easily purchased, more economical compared to medicated bag, and energy-conserving and environment-protective, rock after explosion
Stone is individual big, reduces blasting dust pollution etc..
Description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and examples.
Overall structure diagrams of the Fig. 1 for this utility model device;
Lightweight aluminium circuit theory schematic diagrams of the Fig. 2 for this utility model device.
In figure:It is tank 1, floating ball tank 2, little ball 3, lightweight aluminium chassis 4, scalable stiff shaft 5, strain gauge 6, to be measured
Fish body model 7, increase bed course 8, pipeline valve 9, protractor 10, air-bubble level 11, rule 12, sucker 13.
Specific embodiment
Below in conjunction with the accompanying drawings embodiment of the present utility model is described further.
Such as Fig. 1-2, a kind of cryopreservation liquid CO2Electric heating demolition set, it includes agent structure 1, the agent structure 1
It is made up of inner tube 2 and 3 two-layer sealed tube of outer tube, the outside uniform winding of said inner tube 2 has Aludirome silk 6, the siderochrome
The end of aluminum-alloy wire 6 is connected with wire, and the outside of the outer tube 3 is pasted with asbestos heat-insulation layer 8,2 internal compression of said inner tube
There is liquid CO2, it is evacuated in the outer tube 3, and ensures to separate by vacuum between inner and outer pipes;The two ends of said inner tube 2 are solid
Surely the other end for having central steel shaft 7, the central steel shaft 7 is locked in the both ends of the surface of outward appearance 3 by nut 10, the center
One end that steel shaft 7 is engaged with inner tube 2 is threaded section, and the thread segment is closed with the corresponding threaded holes of 2 end face of inner tube and constituted
Interior tube valve 9.
Further, the outer tube 3 is made using steel sheet metal layer 4, and said inner tube 2 is made using copper metal level 5.
Further, said inner tube 2 is controlled 1 with the diameter ratio of outer tube 3:1.5~1:2, highly than controlling 1:1.2~
1:1.5.
Further, the outer tube diameter of the agent structure 1 be 250~310mm, diameter of inner pipe be 120~150mm.
Further, 7 diameter 30mm of the central steel shaft, the long 100mm of upper and lower ends steel shaft.
Further, the outer tube material of the agent structure adopts steel sheet metal, and steel sheet metal layer desired strength is high;Inner tube
For copper metal level, the easy heat conduction of performance requirement.
Further, 6 a diameter of 7.1mm of the Aludirome silk, winding spacing are 10mm.
The course of work of the present utility model and operation principle are:
CO2Liquefaction critical temperature be 31.2 degree, critical pressure is 7.38MPa, therefore CO2Gas is in certain low temperature, high pressure
Under can be changed into liquid, by high-pressure pump by CO2It is compressed in the inner tube of agent structure, i.e. explosive cartridge, tightens steel shaft bolt, protects
Card inner tube is closed and preserves liquid CO2Required pressure, central steel shaft are connected to be integrally formed with outer tube and complete explosion
The preparation of front agent structure.
Pitch-row a and array pitch b detonated between row in blasting process typically determines as the following formula:
A=(1.0-2.0) W (1)
B=(0.8-1.0) W (2)
Wherein, W is toe burden.
Caloric value Q of Aludirome silk typically determines as the following formula:
Q=I2Rt (3)
Wherein, I be wire electrical current amount, unit:A;R be Aludirome silk resistance value, unit:Ω;T is logical for wire
Electric time, unit:s.
Aludirome wire type number determines that resistance is definite value, mono- timings of time t, therefore caloric value Q is directly proportional to electric current I.Send out
Heat Q is bigger, liquid CO2Gasification expansion is more violent, and the moment power of blast is bigger, therefore control electric current power may decide that CO2Gas
Change the speed of expansion, calculation relational expression:I=f (a, b), is suitable for short-delay blasting and controlled blasting between row.
Before demolition duty is implemented, initiator and power line are taken to demolition site, fixed in agent set insertion drilling
It is good, drilling is crammed, winding Aludirome silk connects initiator power supply by wire.Initiator detonates, and micro-current flows through wire
To Aludirome silk, Aludirome silk has that resistivity is high, temperature-coefficient of electrical resistance is little, using temperature it is high the characteristics of, as
Preferable exothermic material, Aludirome silk can produce high temperature and puncture inner tube copper metal level, and moment is by liquid carbon dioxide
Gasification, drastically expansion produce high-pressure shocking wave, drastically expand generation high pressure using volume during liquid carbon dioxide endothermic gasification and cause
The rock mass of bursting work is made to ftracture.
Bursting work task is carried out by the way, is compared to traditional method, one kind provided by the utility model
Cryopreservation liquid CO2Electric heating demolition set more efficient can reduce blasting dust and toxic gas, and explosion degree is easy to control,
After explosion, rock is individual big, and reducing affects on the personnel around demolition site, equipment etc..
By above-mentioned description, those skilled in the art completely can be without departing from this utility model technological thought
In the range of, carry out various change and change all within protection domain of the present utility model.It is of the present utility model most
Matters, belong to the common knowledge of those skilled in the art.
Claims (4)
1. a kind of cryopreservation liquid CO2Electric heating demolition set, it is characterised in that:It includes agent structure(1), the body junction
Structure(1)By inner tube(2)And outer tube(3)Two-layer sealed tube is constituted, said inner tube(2)Outside uniform winding have Aludirome silk
(6), the Aludirome silk(6)End be connected with wire, the outer tube(3)Outside be pasted with asbestos heat-insulation layer(8),
Said inner tube(2)Internal compression has liquid CO2, the outer tube(3)Inside be evacuated, and ensure between inner and outer pipes by vacuum every
Open;Said inner tube(2)Two ends be fixed with central steel shaft(7), the central steel shaft(7)The other end pass through nut(10)Locking
It is fixed on outward appearance(3)Both ends of the surface, the central steel shaft(7)With inner tube(2)The one end being engaged is threaded section, the spiral shell
Stricture of vagina section and inner tube(2)The corresponding threaded holes of end face are closed and constitute interior tube valve(9).
2. a kind of cryopreservation liquid CO according to claim 12Electric heating demolition set, it is characterised in that:The outer tube
(3)Using steel sheet metal layer(4)Make, said inner tube(2)Using copper metal level(5)Make.
3. a kind of cryopreservation liquid CO according to claim 12Electric heating demolition set, it is characterised in that:Said inner tube
(2)With outer tube(3)Diameter than control 1:1.5~1:2, highly than controlling 1:1.2~1:1.5.
4. a kind of cryopreservation liquid CO according to claim 1 or 32Electric heating demolition set, it is characterised in that:The master
Body structure(1)Outer tube diameter be 250 ~ 310mm, diameter of inner pipe be 120 ~ 150mm.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621089511.6U CN206056398U (en) | 2016-09-28 | 2016-09-28 | A kind of cryopreservation liquid CO2 electric heating demolition set |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201621089511.6U CN206056398U (en) | 2016-09-28 | 2016-09-28 | A kind of cryopreservation liquid CO2 electric heating demolition set |
Publications (1)
Publication Number | Publication Date |
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CN206056398U true CN206056398U (en) | 2017-03-29 |
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CN201621089511.6U Expired - Fee Related CN206056398U (en) | 2016-09-28 | 2016-09-28 | A kind of cryopreservation liquid CO2 electric heating demolition set |
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CN (1) | CN206056398U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108592659A (en) * | 2018-05-18 | 2018-09-28 | 无锡特莱姆气体设备有限公司 | Dismountable water bath type gasifier |
-
2016
- 2016-09-28 CN CN201621089511.6U patent/CN206056398U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108592659A (en) * | 2018-05-18 | 2018-09-28 | 无锡特莱姆气体设备有限公司 | Dismountable water bath type gasifier |
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Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170329 Termination date: 20170928 |