CN209961091U - Carbon dioxide causes burst pipe and releases and explodes improvement equipment - Google Patents
Carbon dioxide causes burst pipe and releases and explodes improvement equipment Download PDFInfo
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- CN209961091U CN209961091U CN201920685121.2U CN201920685121U CN209961091U CN 209961091 U CN209961091 U CN 209961091U CN 201920685121 U CN201920685121 U CN 201920685121U CN 209961091 U CN209961091 U CN 209961091U
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- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title claims abstract description 308
- 229910002092 carbon dioxide Inorganic materials 0.000 title claims abstract description 154
- 239000001569 carbon dioxide Substances 0.000 title claims abstract description 154
- 230000006872 improvement Effects 0.000 title claims description 26
- 238000004880 explosion Methods 0.000 claims abstract description 91
- 238000005336 cracking Methods 0.000 claims abstract description 81
- 230000003578 releasing effect Effects 0.000 claims abstract description 61
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 56
- 239000010959 steel Substances 0.000 claims abstract description 56
- 230000001681 protective effect Effects 0.000 claims abstract description 28
- 230000007246 mechanism Effects 0.000 claims description 19
- 238000010438 heat treatment Methods 0.000 claims description 11
- 239000004744 fabric Substances 0.000 abstract description 4
- 239000004575 stone Substances 0.000 description 16
- 238000005422 blasting Methods 0.000 description 10
- 238000005553 drilling Methods 0.000 description 10
- 239000007788 liquid Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 9
- 239000002689 soil Substances 0.000 description 9
- 238000003825 pressing Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 239000011435 rock Substances 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000003213 activating effect Effects 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000005474 detonation Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000009933 burial Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 239000012190 activator Substances 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- NPGILLWFJVZZPP-UHFFFAOYSA-N carbon dioxide;lead Chemical compound [Pb].O=C=O NPGILLWFJVZZPP-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- 230000005611 electricity Effects 0.000 description 1
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- 239000002360 explosive Substances 0.000 description 1
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- 230000000452 restraining effect Effects 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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Abstract
The utility model discloses a carbon dioxide cracking tube explosion releasing improved device, belonging to the technical field of explosion, comprising a safety protection cover with a diameter larger than that of an explosion releasing area, wherein the upper layer and the lower layer of a steel plate of the main body of the safety protection cover are both wrapped with wire netting; springs which are vertically upward and have the same height are uniformly hung on the wire netting on the upper layer of the steel plate, and the wire netting which is as large as the safety protection cover is hung on the top of the spring; the wire netting at the lower layer of the steel plate is hung and connected below the steel plate through a hook and is vertically downwards reversely buckled and buried in the explosion release hole, an extension base is arranged on the main body of the protective pipe, and the inner diameter of the main body of the protective pipe is slightly larger than the outer diameter of the carbon dioxide cracking device; the tail end of the carbon dioxide cracking device in the protection pipe is provided with a hook for hanging and connecting a wire netting at the lower layer of the steel plate. The utility model provides a carbon dioxide leads pipe to release and explodes improve equipment guarantees that carbon dioxide leads the vertical cloth of burying of pipe and is being convenient for release safety protection before exploding and the quick collection of the back repeatedly usable part of exploding in the district of exploding releasing.
Description
Technical Field
The utility model belongs to the technical field of the blasting, especially, relate to a carbon dioxide causes pipe explosion release and improves equipment.
Background
The carbon dioxide cracking tube blasting belongs to physical blasting, the thermal reaction process is carried out in an inner cavity of a sealed tube body, the low-temperature blasting is carried out, the blasting capacity is controllable, and the energy level can be set according to different use environments and objects; the carbon dioxide fracturing pipe has the advantages of small blasting seismic wave, less and near flying stones, less dust emission, easy control and the like, and the carbon dioxide discharged by blasting does not generate sparks and cause coal mine gas and coal dust explosion accidents, so the carbon dioxide fracturing pipe has wide application prospect. However, each time the carbon dioxide cracking tube is used for explosion releasing, the carbon dioxide cracking tube needs to be vertically buried in the hole, but the absolute vertical state of the tube body of the carbon dioxide cracking tube is difficult to guarantee when the carbon dioxide cracking tube is actually buried; in addition, a great amount of manpower and material resources are wasted for burying protection before explosion release and digging and collecting carbon dioxide fracturing pipes which can be used for multiple times after explosion release, and improvement is needed urgently.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that needs to solve provides a carbon dioxide leads to split pipe and releases and explode improve equipment, guarantees that carbon dioxide leads to split pipe vertical buried cloth and can be convenient for release the safety protection before exploding and release the quick collection of exploding back repeatedly usable part in the district.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:
the carbon dioxide-induced cracking tube explosion release improvement equipment comprises a safety protection cover with the diameter larger than that of an explosion release area, and a main steel plate of the safety protection cover, wherein the upper layer and the lower layer of the steel plate are respectively wrapped with a detachable wire mesh; springs which are vertically upward and have the same height are uniformly hung on the wire netting on the upper layer of the steel plate, and the wire netting which is as large as the safety protection cover is hung on the top of the spring; the wire netting at the lower layer of the steel plate is hung and connected below the steel plate through a hook and is vertically downwards reversely buckled and buried in the explosion release hole, the main body of the protective pipe is provided with an extension base, the inner diameter of the main body of the protective pipe is slightly larger than the outer diameter of the carbon dioxide cracking device, and the length of the main body of the protective pipe is half of the length of the carbon dioxide cracking device; the tail end of the carbon dioxide cracking device in the protection pipe is provided with a hook for hanging and connecting a wire netting at the lower layer of the steel plate.
The utility model discloses technical scheme's further improvement lies in: a base which provides a side tilting force through hydraulic equipment is arranged below the steel plate of the safety protection cover main body.
The utility model discloses technical scheme's further improvement lies in: the thickness of the main steel plate of the safety protection cover is 3mm-5mm, and the diameter is 2.2m-2.5 m.
The utility model discloses technical scheme's further improvement lies in: the wire netting wrapped on the steel plate is twice smaller than the mesh diameter of the wire netting hung on the top of the spring.
The utility model discloses technical scheme's further improvement lies in: the height of the spring hung with the iron wire net wrapped on the upper layer of the steel plate is 20cm-40 cm.
The utility model discloses technical scheme's further improvement lies in: a buoy level meter is integrally arranged on the base of the protective tube.
The utility model discloses technical scheme's further improvement lies in: the base of the protective pipe is provided with a hook for connecting the wire netting at the lower layer of the steel plate.
The utility model discloses technical scheme's further improvement lies in: the tail ends of the release heads of the carbon dioxide cracking devices in the protection pipes are provided with a nozzle angle adjusting mechanism; the outer wall of the release head of the spout angle adjusting mechanism is provided with a knob which is coaxial with the spout angle adjusting mechanism and used for screwing a specific opening angle.
The utility model discloses technical scheme's further improvement lies in: the heating control device of the carbon dioxide cracking device in the protection pipe is internally provided with a remote control controlled switch which is wirelessly connected with the remote control terminal and is used for controlling the heating control device to be electrified and heated.
The utility model discloses technical scheme's further improvement lies in: and determining the selection specification of the constant pressure sheet of the carbon dioxide cracking tube in the protective tube according to the explosion releasing purpose of the explosion releasing area.
Due to the adoption of the technical scheme, the utility model discloses the technological progress who gains is:
the utility model provides a carbon dioxide cracking tube explosion releasing improvement device which is provided with a safety protection cover, a protection tube and a carbon dioxide cracking tube which are connected through a wire mesh; the arrangement of the safety protection cover is convenient for protection and stabilization of the explosion releasing process, the crushed soil and small stones are obtained locally, and the sputtering of the crushed soil and small stones is prevented by the constraint of the spring and the steel wire mesh on the spring, so that the safety is improved; the arrangement of the protective tube ensures that the carbon dioxide fracturing tube is vertically buried, and the detonation effect is ensured; the carbon dioxide fracturing pipe is hooked under the safety protection cover main body, so that the carbon dioxide fracturing pipe and the carbon dioxide fracturing pipe can be conveniently collected together after explosion release, and the labor efficiency is improved.
The utility model provides a carbon dioxide causes burst pipe and releases and explodes improve equipment is provided with the base that provides the heeling through hydraulic equipment under the safety protection cover main part steel sheet, and the safety protection cover who is filled with mound and stone for the heap is filled with mound and stone of slope fast after releasing exploding, has improved labor efficiency, has reduced the amount of labour, is convenient for articulate pillar and the collection that carbon dioxide caused the burst pipe on steel sheet lower floor's wire net simultaneously.
The utility model provides a carbon dioxide causes pipe explosion release and improves equipment, the thickness of the main steel plate of the safety protection cover is 3mm-5mm, under the condition of fully guaranteeing the stability of the main structure of the safety protection cover, the quality of the safety protection cover is lightened as much as possible; the diameter of the main steel plate of the safety protection cover is 2.2m-2.5m, so that the diameter of the main steel plate of the safety protection cover is slightly larger than the diameter of the explosion release area, and the full coverage protection of the safety protection cover on the explosion release area is ensured.
The utility model provides a carbon dioxide causes pipe explosion release and improves equipment, the wire netting that wraps up on the steel sheet is one time less than the mesh diameter of the wire netting that articulates on the spring top, has made things convenient for on the one hand the loading and the dumping of hack and path stone, can also effectively realize the firm to hack and path stone, prevents to produce because of vibrations and bumps spattering in disorder, improves the safety protection effect; on the other hand, the wire netting that wraps up on the steel sheet is the mesh that is intensive relatively, has effectively realized the random vertical hook of pillar and carbon dioxide crack tube to the mode of arranging of spring has further been nimble.
The carbon dioxide cracking tube explosion releasing improved equipment provided by the utility model has the spring with the height of 20cm-40cm, which is convenient for effectively restraining the soil and small stones filled on the spring; meanwhile, the proper filling of the filled soil and small stones during explosion releasing is ensured.
The utility model provides a carbon dioxide cracking tube explosion releasing improvement device, a buoy level meter is integrated on the base of a protection tube; through bubble indication in the buoy level gauge, the base stability of the protective pipe is ensured while the hole is filled with gravel, and the vertical downward direction of the protective pipe main body is further ensured.
The utility model provides a carbon dioxide causes the burst tube to release and explodes improve equipment, the release head end that the carbon dioxide caused the burst tube all sets up spout angle adjustment mechanism for the carbon dioxide causes the gaseous thrust direction that the burst tube produced when releasing explodes controllable, concentrates the explosive force, avoids the carbon dioxide in the hole to cause the burst tube to release and explode the time and take place the skew of big angle, influences the realization of blasting target.
The utility model provides an explosion-releasing improved device of a carbon dioxide cracking tube, wherein a spout angle adjusting mechanism of the carbon dioxide cracking tube is a knob which is coaxial with the spout angle adjusting mechanism and is used for screwing a specific opening angle and is arranged on the outer wall of a releasing head; especially, the angle arrangement of mutual matching when a plurality of carbon dioxide cracking tubes explode together enables the explosion to be more accurate and the operation process to be more rigorous and scientific.
The utility model provides a carbon dioxide causes burst tube and releases and explodes improvement equipment, be provided with in the control device that generates heat and be used for controlling the remote control controlled switch that the control device that generates heat circular telegram generated heat with remote control terminal wireless connection, arouse the transmission through the remote control electromagnetic signal to control the control device that generates heat and switch on the power supply, realize the remote detonation of carbon dioxide causes the burst tube, make the detonation process safer; furthermore, in a larger target blasting range, a plurality of carbon dioxide cracking tubes are detonated simultaneously, so that the personal safety of personnel can be ensured more fully.
The constant pressure piece is a key part for controlling critical pressure of energy releasing and explosion releasing of the carbon dioxide cracking tube, and different explosion releasing pressures can be obtained by selecting constant pressure pieces with different specifications. The utility model provides a carbon dioxide causes burst pipe and releases and explodes improvement equipment, according to waiting to release the mesh of exploding the district, confirms that the gauge is selected to the level pressure piece that carbon dioxide caused burst pipe in the pillar.
Drawings
FIG. 1 is a flow chart of a method for explosion relief using an improved apparatus for explosion relief of a carbon dioxide fracturing pipe;
fig. 2 is a schematic diagram of a buried mode of the carbon dioxide cracking tube explosion releasing improved device provided by the utility model.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
The utility model provides a pair of carbon dioxide from taking drilling function sends out rift pipe, be greater than the safety protection cover who explodes the district diameter including self diameter, safety protection cover's main part is the steel sheet. Specifically, the thickness of the main steel plate of the safety protection cover is 3mm-5mm, and the diameter is 2.2m-2.5 m. In the embodiment provided by the utility model, the thickness of the main steel plate of the safety protection cover is 3mm, and the diameter is 2.2 m; the upper layer and the lower layer of the steel plate are wrapped with detachable wire nets; springs which are vertically upward and equal in height are uniformly hung on the iron wire net on the upper layer of the steel plate, and the height of each spring is 20-40 cm; the spring top is hung with a wire mesh with the same size as the safety protection cover; the diameter of the wire netting wrapped on the steel plate is twice as small as that of the wire netting hung on the top of the spring; the utility model provides an in the embodiment, the wire netting of parcel on the steel sheet than the mesh diameter of the wire netting that articulates on the spring top tiny can, concrete mesh diameter ratio is not in half.
The wire netting of steel sheet lower floor has been linked with and has been linked through the couple and connect in the steel sheet below and perpendicular downward back-off bury the pillar of cloth in the hole that explodes that releases, and the pillar main part is provided with epitaxial base, and the integration is provided with the buoy spirit level on the base of pillar for guarantee that the release head of carbon dioxide crack tube stretches out the pillar completely, buries deeply in the district that explodes that releases.
The inner diameter of the protective pipe main body is slightly larger than the outer diameter of the carbon dioxide cracking device, and specifically, the inner diameter of the protective pipe main body is 2-5 mm larger than the outer diameter of the carbon dioxide cracking device; the length of the carbon dioxide cracking device is half of the length of the carbon dioxide cracking device, and the carbon dioxide cracking device is used for ensuring that a release head of the carbon dioxide cracking tube completely extends out of the protective tube and is deeply buried in an explosion release area; the tail end of the carbon dioxide cracking device in the protection pipe is provided with a hook for hanging and connecting a wire netting at the lower layer of the steel plate.
The utility model provides a carbon dioxide causes pipe explosion improvement equipment, be provided with under the safety protection cover main part steel sheet and provide the base of heeling power through being equipped with hydraulic equipment, realize the level of adjusting safety protection cover main part steel sheet or the angle that heels through hydraulic control, the safety protection cover of being convenient for fill with mound and stone inclines the mound and the stone of fill fast after explosion releasing, labor efficiency has been improved, the amount of labour has been reduced, be convenient for simultaneously articulate pillar and the collection that carbon dioxide caused the pipe on steel sheet lower floor's wire net.
The tail ends of release channels in the release heads of the carbon dioxide cracking tubes in the carbon dioxide cracking tube explosion release improving equipment are provided with spout angle adjusting mechanisms; the outer wall of the release head of the spout angle adjusting mechanism is provided with a knob which is coaxial with the spout angle adjusting mechanism and used for screwing a specific opening angle. In the embodiment provided by the utility model, the spout angle adjusting mechanism comprises a pneumatic rudder piece, a rotating shaft and a damping disc, wherein the rotating shaft arranged at the tail end of the release passage penetrates through the release head shell outside the release passage; the cross section of the pneumatic rudder sheet is the same as that of the release channel, and a gap is formed between the pneumatic rudder sheet and the side wall of the release channel; the outer wall of the release head of the spout angle adjusting mechanism is provided with a knob which is coaxial with the spout angle adjusting mechanism and used for screwing a specific opening angle. The knob adjusts the setting angle of the pneumatic rudder piece in the tail end of the release channel through screwing, and then the release angle of the airflow ejected from the tail end of the release channel is changed. When the gas explosion angle needs to be changed, only the knob arranged on the outer wall of the releasing head needs to be adjusted by the nozzle angle adjusting mechanism, so that the carbon dioxide cracking tube generates directional propelling force when the carbon dioxide cracking tube is exploded, and the carbon dioxide cracking tube is prevented from deviating from the explosion angle when the carbon dioxide cracking tube is exploded.
The heating control device of the carbon dioxide cracking tube in the carbon dioxide cracking tube explosion-releasing improved equipment is internally provided with a remote control controlled switch which is wirelessly connected with the remote control terminal and is used for controlling the heating control device to be electrified and heated. In the embodiment provided by the utility model, a signal generating device is arranged in the remote control terminal; the heating control device is internally provided with a thermal battery, a control device and a signal receiving device, the signal receiving device is electrically connected with the control device, the control device is electrically connected with the thermal battery, and the thermal battery is electrically connected with a metal heat conducting wire wrapped in an activating agent; the control device is a controllable switch between the thermal battery and a metal heat conducting wire wrapped in the activator; the signal receiving device receives an excitation signal of the signal generating device in the remote control terminal and transmits the signal to the control device, the control device controls the thermal battery to be connected with the metal heat conducting wires wrapped in the activating agent to conduct electricity, the activating agent is activated to rapidly heat, and liquid carbon dioxide is released and exploded.
The utility model provides a method flow chart of the explosion releasing method of the explosion releasing improved equipment by utilizing the carbon dioxide cracking tube as shown in the attached figure 1, the explosion releasing method of the explosion releasing improved equipment by utilizing the carbon dioxide cracking tube comprises the following steps:
(1) according to the explosion releasing purpose of the explosion releasing area, the selected diameter of the main steel plate of the safety protection cover, the embedded position of the fracturing device and the number of the main steel plate are determined.
In the embodiment provided by the utility model, the tunnel with the depth of 2-6m adopts a phi 90 carbon dioxide cracking pipe for explosion release, the diameter of the detachable drill bit arranged at the top end is 110mm, and the drill gun adopts a drilling machine for drilling; the tunnel with the depth of more than 6m is exploded by a carbon dioxide cracking pipe with the diameter of phi 57, the diameter of a detachable drill bit arranged at the top end is 70mm, and a drill gun drills by an air compressor; and the buried depth of the carbon dioxide cracking tubes which are exploded at the same time is consistent. Specifically, the distance between the upper part of the embedded phi 90 carbon dioxide cracking tube and the hole opening is 400-400 mm, and the distance between the upper part of the embedded phi 57 carbon dioxide cracking tube and the hole opening is 300-400 mm.
The explosion-releasing and cracking position of the carbon dioxide cracking pipe belongs to a typical 'soft-proof and hard-feeling' type, and the explosion-releasing and cracking position is determined to be a weak point or a blank surface around the carbon dioxide cracking pipe. For the fracturing devices with different pile diameters, different rock types and different specifications, the punching positions and the number of the fracturing devices are different, and the distance between the fracturing device and the stress weak point and the number of the used fracturing devices are determined according to the pile diameter and the type of the fracturing device.
Specifically, as the attached figure 2 the utility model provides a plurality of carbon dioxide from taking drilling function lead split pipe bury cloth mode sketch map show, carbon dioxide leads split pipe to arrange and waits to release the rock district atress that explodes and compact district, does not arrange carbon dioxide in the weak area of relative atress and leads split pipe. For a target area with a large explosion area to be released, a plurality of carbon dioxide cracking tubes are uniformly distributed in the explosion area to be released in a regular polygon mode, and holes are drilled in the centers of the regular polygon formed by the surrounding of the plurality of carbon dioxide cracking tubes but the carbon dioxide cracking tubes are not distributed in the regular polygon mode.
(2) And (4) punching at the pre-embedded position of the fracturing device by using an anchor rod machine to a target depth and then pulling out a drill rod of the anchor rod machine.
In the embodiment provided by the utility model, the carbon dioxide fracturing pipe of phi 90 is drilled by using an anchor rod drilling machine; the carbon dioxide frac tube of Φ 57 was drilled using an anchor drilling air compressor.
The selection and setting of the selection model of the carbon dioxide fracturing pipe and the selection and setting of the specific specification and size of the drill hole and the burial depth are determined according to the rock property of the explosion releasing area as shown in the following table 1.
TABLE 1 definition of carbon dioxide-induced cracking tube, borehole and burial depth
The diameter of the drill rod of the anchor rod machine is 10-20mm larger than that of the carbon dioxide cracking pipe, and the drill rod diameter of the anchor rod machine matched with the drill hole is different from the diameter width of the carbon dioxide cracking pipe in different types of the carbon dioxide cracking pipe. In the embodiment provided by the utility model, the diameter of the anchor rod matched with the phi 90 carbon dioxide cracking tube is 105-110 mm; the diameter of the anchor rod matched with the phi 57 carbon dioxide fracturing pipe is 67-75 mm. The utility model provides an in the embodiment, the pillar internal diameter is 2mm bigger than carbon dioxide send the pipe external diameter that splits.
It is noted that the carbon dioxide fracturing pipe is adopted for rock excavation, and the opening of the hole must be covered according to the construction operation requirement; if three or more than 90 phi carbon dioxide cracking tubes and other carbon dioxide cracking tubes with high power are adopted for explosion release, the outer part of the protecting tube needs to be protected. It should be noted that, in order to prevent the carbon dioxide cracking tubes from not reacting after being detonated, the resistance of each carbon dioxide cracking tube and the thermal battery on the heating control device need to be checked before the carbon dioxide cracking tube is drilled into a hole.
Further, the drilling angle of the drill rod of the anchor rod machine is ensured to be kept fixed at the inclination angle of the drill rod in the whole drilling process according to the requirement of the carbon dioxide fracturing pipe burying position. The utility model provides an in the embodiment, the part plug bush that the drilling rod of roofbolter exposes ground is in a bearing fixed by the tripod, and the tripod is all fixed at the district border that explodes that releases, and the tripod passes through the bearing on top to realize the stability to the drilling rod inclination or the vertical angle of roofbolter.
(3) And the protective tube is vertically downwards reversely buckled and buried in the explosion releasing hole, and according to the display of a buoy in a buoy level meter integrally arranged on the protective tube base, the gap between the protective tube and the explosion releasing hole is filled with gravel until the protective tube base is stably horizontal.
(4) According to the stress, depth, temperature, lithology and physical structure conditions of an explosion area to be released, the carbon dioxide fracturing pipe filled with liquid carbon dioxide till the target filling amount is inserted into the protection pipe and is correspondingly provided with opening angles of two nozzles at two sides of the release head at the embedding position.
In an operation room with the room temperature of 22-25 ℃, liquid carbon dioxide is injected into the carbon dioxide fracturing pipe by using special filling equipment, namely carbon dioxide fracturing pipe filling equipment, and a pressure gauge is arranged on a filling pipeline to keep the pressure of the liquid carbon dioxide in the carbon dioxide fracturing pipe to reach a target value.
The key explosion releasing action direction of each carbon dioxide cracking tube is determined according to the embedding mode of the carbon dioxide cracking tubes, so that the nozzle angle of the nozzle angle adjusting mechanism at the tail end of the carbon dioxide cracking tube releasing channel is arranged by rotating the knob on the outer wall of the carbon dioxide cracking tube, and the nozzle angle adjusting mechanism is in impact with the nozzle angle adjusting mechanism, so that the combined explosion releasing of the carbon dioxide cracking tubes can achieve the optimal explosion effect.
After the heating control device is started, a large amount of heat is generated, liquid carbon dioxide in the carbon dioxide fracturing pipe is rapidly gasified, the volume is expanded by 500-fold and 600-fold, the air pressure in the carbon dioxide fracturing pipe is rapidly increased, when a pressure node for releasing explosion of the fixed pressing piece is reached, the fixed pressing piece is broken by high-pressure air, the high-pressure air is rapidly released through release channels on two sides of the carbon dioxide fracturing pipe, strong impact force is generated instantly, the materials are broken along natural cracks or fracture surfaces caused by explosion of materials such as rock masses in an explosion release area, and the materials are pushed away from a main body, so that the aim of explosion is fulfilled.
Therefore, the storage amount of the liquid carbon dioxide in the carbon dioxide fracturing pipe directly determines the upper limit value of the high pressure generated by the liquid carbon dioxide which is heated and expanded in the carbon dioxide fracturing pipe, the time for reaching the fixed-pressure piece explosion-releasing pressure node and the impact force and action time of the high-pressure gas released through the release channels on the two sides of the carbon dioxide fracturing pipe, so that the target filling amount of the liquid carbon dioxide in the carbon dioxide fracturing pipe needs to be determined according to the stress, depth, temperature, lithology and physical structure conditions of an explosion region to be released.
Furthermore, the fixed pressure plate is a key part for controlling critical pressure of energy releasing and explosion releasing of the carbon dioxide fracturing pipe, and different explosion releasing pressures can be obtained by selecting the fixed pressure plates with different specifications. In the embodiment provided by the utility model, the selection range of the explosion releasing pressure of the fixed pressing piece is 150-250MP, and the difference of the explosion releasing pressure between the adjacent specifications of the fixed pressing piece is 5MP, so that the specification of the fixed pressing piece can be accurately selected according to the explosion releasing purpose.
(5) The hook at the tail end of the protective pipe and the hook at the tail end of the carbon dioxide cracking pipe are respectively hung on the wire netting at the lower layer of the steel plate of the safety protective cover main body, the safety protective cover covers the top of the explosion releasing area, and the wire netting at the upper layer of the steel plate of the safety protective cover main body, the spring and the wire netting on the top of the spring are buried and piled with broken soil and stones.
During specific operation, the safety protection cover is firstly covered right above the upper opening of the explosion releasing area, and then the piled small stones or crushed soil are pressed downwards, so that upward leaping during explosion releasing is prevented, the broken stones and crushed soil piled on the safety protection cover are restrained from being splashed in disorder due to the action of explosion releasing, and high efficiency and safety in the whole explosion releasing operation process are realized.
(6) When people leave the explosion releasing area, the remote control terminal remotely controls the heating control device to be electrified and heated until the carbon dioxide cracking tube is exploded.
It should be noted that the personnel evacuation from the explosion release area needs to leave the range of 20m from the explosion release pit hole square circle. When the remote control terminal is operated, the heating control devices of the carbon dioxide cracking tubes need to be controlled to be electrified and heated at the same time, so that the carbon dioxide cracking tubes are simultaneously exploded.
(7) And lifting the safety protection cover laterally, cleaning up the soil and stones accumulated on the upper layer of the steel plate of the main safety protection cover body, disassembling the hooks on the lower layer of the steel plate of the main safety protection cover body, and collecting the carbon dioxide cracked pipe and the protective pipe after explosion.
After blasting, the protecting cover is lifted and tilted, and piled small stones or broken soil can be quickly removed. Through the hook on the steel wire mesh of the lower layer of the steel plate of the safety protection cover main body, the protective pipe and the carbon dioxide cracked pipe after explosion can be quickly collected. The utility model provides an in the embodiment, but the carbon dioxide that utilizes many times leads to split the pipe and releases the back of exploding, except that controlling means and the level pressure piece generate heat, the carbon dioxide leads the equal used repeatedly of release head, liquid storage tube and the filling dress head of split pipe, especially the liquid storage tube repeatedly usable of carbon dioxide lead to split the pipe thousands times.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (10)
1. The utility model provides a carbon dioxide causes burst pipe and explodes improvement equipment which characterized in that: the explosion-releasing safety protection device comprises a safety protection cover with the diameter larger than that of an explosion-releasing area, wherein the main body of the safety protection cover is a steel plate, and the upper layer and the lower layer of the steel plate are both wrapped with detachable wire netting; springs which are vertically upward and have the same height are uniformly hung on the wire netting on the upper layer of the steel plate, and the wire netting which is as large as the safety protection cover is hung on the top of the spring; the wire netting at the lower layer of the steel plate is hung and connected below the steel plate through a hook and is vertically downwards reversely buckled and buried in the explosion release hole, the main body of the protective pipe is provided with an extension base, the inner diameter of the main body of the protective pipe is slightly larger than the outer diameter of the carbon dioxide cracking device, and the length of the main body of the protective pipe is half of the length of the carbon dioxide cracking device; the tail end of the carbon dioxide cracking device in the protection pipe is provided with a hook for hanging and connecting a wire netting at the lower layer of the steel plate.
2. The apparatus for improving explosion releasing of carbon dioxide cracking tube as claimed in claim 1, wherein a base for providing a tilting force by a hydraulic device is disposed under the steel plate of the safety protecting cover main body.
3. The apparatus for improving explosion releasing of carbon dioxide cracking tube of claim 1, wherein the thickness of the steel plate of the safety protecting cover is 3mm-5mm, and the diameter is 2.2m-2.5 m.
4. The carbon dioxide cracker tube explosion releasing improvement apparatus of claim 3, wherein the wire mesh wrapped around the steel plate is twice as small as the diameter of the mesh of the wire mesh hooked on the top of the spring.
5. The carbon dioxide cracking tube explosion releasing improvement equipment as claimed in claim 3, wherein the height of the spring hooked with the wire netting wrapped on the upper layer of the steel plate is 20cm-40 cm.
6. The carbon dioxide fracturing tube explosion relief improvement device according to claim 1, wherein a float level gauge is integrally arranged on a base of the protection tube.
7. The carbon dioxide fracturing tube explosion relief improvement device according to claim 1, wherein a hook for connecting a wire mesh at the lower layer of the steel plate is arranged on the base of the protection tube.
8. The carbon dioxide fracturing tube explosion-releasing improvement equipment as claimed in claim 1, wherein the tail ends of the releasing heads of the carbon dioxide fracturing devices in the protecting tubes are provided with a nozzle angle adjusting mechanism; the outer wall of the release head of the spout angle adjusting mechanism is provided with a knob which is coaxial with the spout angle adjusting mechanism and used for screwing a specific opening angle.
9. The carbon dioxide fracturing tube explosion releasing improvement equipment as claimed in claim 1, wherein a remote controlled switch wirelessly connected with a remote control terminal and used for controlling the heating control device to be electrified and heated is arranged in the heating control device of the carbon dioxide fracturing device in the protection tube.
10. The carbon dioxide cracking tube explosion releasing improvement device according to claim 1, wherein the selected specification of the constant pressure sheet of the carbon dioxide cracking tube in the protective tube is determined according to the explosion releasing purpose of the area to be exploded.
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| CN201920685121.2U CN209961091U (en) | 2019-05-14 | 2019-05-14 | Carbon dioxide causes burst pipe and releases and explodes improvement equipment |
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| CN201920685121.2U CN209961091U (en) | 2019-05-14 | 2019-05-14 | Carbon dioxide causes burst pipe and releases and explodes improvement equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110132066A (en) * | 2019-05-14 | 2019-08-16 | 国家电网有限公司 | A kind of carbon dioxide fracturing pipe releases quick-fried improvement device and releases quick-fried method |
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2019
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110132066A (en) * | 2019-05-14 | 2019-08-16 | 国家电网有限公司 | A kind of carbon dioxide fracturing pipe releases quick-fried improvement device and releases quick-fried method |
| CN110132066B (en) * | 2019-05-14 | 2021-10-19 | 国家电网有限公司 | Explosion releasing method of improved device for releasing explosion by utilizing carbon dioxide fracturing pipe |
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