CN111595687A - Full-size blasting cutting test device and method for pipeline - Google Patents

Abstract

The invention discloses a full-size blasting cutting test device and a test method for a pipeline, wherein the test device comprises: the linear shaped cutter, a plurality of ignition devices and a detonation network, the detonation network controlling the detonation of the linear shaped cutter and the firing time of the ignition devices. The test method comprises the steps of electric welding and fixing the auxiliary device, installing the linear energy gathering cutter, installing the ignition device, leading the explosive, setting time delay, installing the explosive, connecting the blasting network, detonating and inspecting after blasting. The invention realizes accurate time delay, adjusts the actual emission angle and height, determines the coverage range and height, realizes the flame coverage of long time, high-low altitude and full space, and ensures that the leaked natural gas can be ignited.

Description

A pipeline full-size blasting cutting test device and test method

technical field

The invention belongs to the technical field of pipeline strength testing, and in particular relates to a pipeline full-size blasting and cutting testing device and a testing method.

Background technique

At present, the gas pipeline fracture control test simulates the operating conditions of real gas pipelines, uses natural gas and other media to carry out full-scale fracture research on high-pressure gas pipelines, and realistically simulates the impact on the environment after the explosion of natural gas released by pipeline ruptures. disaster assessment. One of the keys to this work is the generation of initial cracks in the pipeline. Generally, cutting tools are used for mechanical pipeline cutting. However, due to the high-pressure natural gas in the closed pipeline, the existing mechanical pipeline cutting not only cannot ensure the safety of operators, but also The specified length of crack cannot be produced in a relatively short period of time, and the test requirements cannot be met in terms of reliability and safety. In addition, during the full-scale natural gas blasting test, the natural gas leaked after the detonation needs to be ignited by the ignition device. However, the ignition device cannot guarantee that the natural gas mass that leaks and rises to the air will be ignited within 2s after the detonation. It can work effectively in the 0-5 wind speed, in the case of light rain and in the explosive environment.

SUMMARY OF THE INVENTION

Aiming at the deficiencies in the prior art, the present invention provides a pipeline full-size blasting cutting test device and a test method.

In order to achieve the above object, the technical scheme of the present invention is as follows:

A pipeline full-scale blasting and cutting test device, comprising: a linear energy-gathering cutter, a plurality of ignition devices and a detonation network, the detonation network controls the explosion of the linear energy-gathering cutter and the launch time of the ignition device;

The linear energy accumulating cutter is installed at the 12 o'clock position on the top of the center of the cracking tube along the axial direction of the cracking tube, and includes multiple digital electronic detonators. There is a controller in the detonator, and the controller has a unique ID code to identify each digital electronic detonator;

The ignition device includes multiple ignition bombs, and the ignition bombs include no less than 40 point sparks;

The detonation network is connected in parallel, including a detonation network host, a plurality of detonation network slaves and several cables; a plurality of detonation network slaves are connected in parallel to the detonation network host, and between the detonation network slave and the digital electronic detonator and the ignition device, And two-way communication is formed between the digital electronic detonator and the ignition device.

Further, the through-type cracks introduced by the linear concentrated cutter should be parallel to the axial direction of the crack initiation tube.

Further, the width of the through-type crack introduced by the linear energy-gathering cutter should be as narrow as possible, preferably no more than 10 mm.

Further, the length of the through-type crack introduced by the linear energy-gathering cutter is 500 mm.

Further, the mass of the ignition bomb is 200~250g, and the vertical launch height is divided into two types: 90~120m and 150~160m.

Further, the firing position of the ignition bomb is 50 m horizontally away from the ignition bomb.

Further, the effective combustion time of the point Mars body is 3-4 s, and the point Mars body covers an area of about 800 m ² .

Further, the ignition device further includes a launching device for launching an ignition bomb, the launching device includes a launching tube and a launching base, and the angle of the launching tube relative to the launching base is adjustable.

Further, the cable is a wired cable, the model is PSVP2*2.0, and the shielded twisted pair is used.

Further, the detonation network host is divided into a power switch and a charging interface, a slave interface, a liquid crystal display area, an indicator light display area, a key area, and a button operation area; the detonation network host controls the detonation network slave and digital electronic detonator controller. Carry out action control, receive the corresponding action execution status for information processing and display, and have the highest processing power.

Further, the detonation network host is powered by a +24VDC lithium sub-battery and a DC power module; the power module generates all the DC power required by the device; the operation panel operates the device, including the power switch, online detection button, fault detection button, Detonation button, up and down buttons for querying the information of each slave, etc.; password login is a barrier set up for security, and the correct password must be entered to log in to the interface to operate the detonation network host; the communication interface module realizes the detonation network host and each detonation network slave. RS-485 communication between them; the processing module is the core, which realizes data processing, input sampling, output control and other functions; the display part adopts a liquid crystal display module to visually display the information exchanged between the user and the detonation system.

Further, the number of the detonating network host connected to the detonating network slaves is 1-20.

Further, the maximum communication distance from the detonation network host to the detonation network slave is 2000m.

Further, the detonation network slave machine is divided into a power switch and a charging interface, a communication interface, a serial number interface, a digital electronic detonator interface, a liquid crystal display area, and a button area; the power switch controls the detonation network slave machine to supply power; a dedicated charger is used for detonation. The network host lithium battery is charged; one end of the communication interface is connected to the detonation network host, and the other end is connected to the next detonation network slave; the serial number interface determines the address number of the detonation network slave; the digital electronic detonator interface is connected to the digital electronic detonator; LCD display area display Relevant information; the key area performs the corresponding LCD page selection and setting operations.

Further, the delay time range of the digital electronic detonator set by the detonating network slave machine is 0-16000ms.

Further, the number of detonators connected to the detonating network slaves is 1 to 200 rounds.

Further, the maximum communication distance from the detonation network slave to the detonator is 100m.

Further, the detonation network host and the detonation network slave have built-in rechargeable lithium sub-battery, and the battery voltage is detected and displayed in real time, and an alarm indication is given when it is lower than the set value.

In order to ensure that the cutting is on the axis, optical measurement and electronic level calibration technology are used to make the axis of the linear concentrated cutter and the axis of the pipeline on a vertical plane, and the linear concentrated cutter is fixed on the pipe by setting the fixing bracket.

In view of the need to backfill the top of the linear energy-gathering cutter, which can protect the cutter without affecting the explosion effect, a protective cover is set up as required.

The present invention also provides a full-scale blasting and cutting test method for a pipeline, the test method comprising the following steps:

(1) Electric welding fixing auxiliary device: spot welding the fixing bracket and the protective cover to the pipeline to be tested;

(2) Install the linear energy-gathering cutter: Install the linear energy-gathering cutter to the desired cutting position by screwing to ensure that the energy-gathering hole is facing the pipeline;

(3) Install the ignition device: Calculate the launch distance of the ignition device, install the launch base 50 meters away from the cutting point, and adjust the launch angle of the launch tube;

(4) Receipt of explosives: digital electronic detonators and ignition bombs must be kept on-site by a special person, and operate in strict accordance with the "Blasting Safety Regulations".

(5) Setting delay: Set the detonation time of each ignition bomb and digital electronic detonator respectively;

(6) Installation of explosives: according to the set delay time, install the ignition bomb into the launch tube and the digital electronic detonator into the linear energy gathering cutter;

(7) Connect the blasting network: connect the network after the other construction personnel are evacuated, and connect according to the designed blasting network line, and the connection method must meet the requirements of the specification;

(8) Detonation: Before the explosion, the personnel, machinery and equipment and vehicles should be evacuated from the site, and guard posts should be set up around the explosion area to check that the blasting network is correct, and then send a contact signal to report to the commander, and then enter the detonation station to wait for instructions to detonate;

(9) Inspection after blasting: After blasting is completed, relevant blasting personnel enter the site for inspection, and arrange for treatment in time if problems are found. The alarm can be lifted only after the inspection is correct.

Further, the detonation network host implements remote management of security classification for the entire detonation network.

Further, the detonation process is divided into three processes according to the safety level: online detection, fault detection, and detonation, and the network operation state of each process is detected in real time. Through the detonation network host, the parameter setting and parameter and working status query of each detonation network slave can be completed, and the corresponding information can be displayed visually on the man-machine interface.

Beneficial effects:

(1) The present invention uses the detonation network to control the explosion of the linear energy-gathering cutter and the launch time of the detonator. After accurate calculation, an accurate delay is realized. After many simulation tests, the actual launch angle and height are measured and calculated, and the determination is made. The coverage and height achieve long-term, high and low-altitude, full-space flame coverage, ensuring that it can ignite the leaked natural gas;

(2) The detonation network has the function of two-wire non-polar parallel network networking and two-way communication, which can detect the status of the control controller online, read back and verify the set delay time, and accurately grasp the working status; it has high security, The system performance of precise detonation can easily realize and complete the network design of complex delayed blasting;

(3) The digital electronic detonator replaces the traditional delay method with accurate electronic delay technology to solve the delay time dispersion of the traditional method and the uncertainty in use; After the detonator is installed in the blasthole, it is programmed) and testability; at the same time, a number of technologies such as anti-static and radio frequency interference, suppression of stray current, electronic isolation and digitalization are introduced to solve the impact of the external environment on the safety of the detonator; with the help of built-in energy storage components , to reduce the impact of sudden accidents such as "disconnection" during the detonation process on the network;

(4) The use of modern electronic information technology to complete the detonator communication, information processing, storage, delayed initiation control, and detection functions; can resist the hazards of various AC and DC power sources, static electricity, and radio frequency electricity; improve the delay accuracy of traditional detonators; reasonable circuit The bridge wire welding process can control the consistency of the bridge wire resistance; improve the safety and reliability of the detonator; the built-in ID code and detonation authorization are used for regional control and tracking of the detonation site; it can perform on-site detonation network online detection and information collection, which is convenient for The management department grasps the blasting information and manages the flow direction of the detonator, which is suitable for the national conditions and policy orientation of the use of detonators in my country.

Description of drawings

1 is a schematic structural diagram of a linear energy-gathering cutter of the present invention;

Fig. 2 is the controller structure schematic diagram of the digital electronic detonator of the present invention;

3 is a schematic structural diagram of a transmitting device according to the present invention;

4 is a schematic structural diagram of another transmitting device according to the present invention;

Fig. 5 is the scene delay setting diagram of the present invention;

Fig. 6 is the detonation network distribution connection diagram of the present invention;

FIG. 7 is a schematic structural diagram of a fixed bracket of the present invention;

8 is a schematic structural diagram of a protective cover of the present invention;

Fig. 9 is the site plan view of the present invention;

10 is a schematic diagram of the site layout of the present invention;

11 is a detailed diagram of the detonation network connection of the present invention;

12 is a flow chart of the detonation operation of the digital electronic detonator controller of the present invention.

In the figure, 1-communication module, 2-power module, 3-processing unit, 4-initiation energy storage unit, 5-discharge module, 6-initiation control module, 7-bridge wire, 8-bridge wire detection module.

Detailed ways

The present invention will be described below with reference to specific examples. Those skilled in the art can understand that these examples are only for illustrating the present invention, and they do not limit the scope of the present invention in any way.

Example 1: Pipeline full-scale blasting and cutting test device

The utility model relates to a full-scale blasting and cutting test device for a pipeline, comprising: a linear energy-gathering cutter, a plurality of ignition devices and a detonation network, and the detonation network controls the explosion of the linear energy-gathering cutter and the launch time of the ignition device.

As shown in Figure 1, the linear condensed cutter is installed at the 12 o'clock position on the top of the center of the crack initiation pipe along the axial direction of the initiation pipe; the penetration crack introduced by the linear energy collection cutter should be parallel to the axial direction of the initiation pipe. The crack width is 10mm and the length is 500mm.

The linear energy gathering cutter includes two digital electronic detonators. Each digital electronic detonator is detonated by means of intermediate detonation. Each digital electronic detonator is equipped with a controller. The controller has a unique ID code to identify each round. Digital electronic detonator; as shown in Figure 2, the controller of the digital electronic detonator adopts a modular design, including communication module 1, power module 2, processing unit 3, detonation energy storage unit 4, discharge module 5, detonation control module 6, bridge Wire detection module 8 and bridge wire 7;

One end of the communication module 1 is connected to the detonator pin line, and the other end is connected to the power supply module 2 and the processing unit 3 in turn, so as to realize the data communication between the detonator, the programmer and the internal control of the controller;

The processing unit 3 is connected with the discharge module 5, the detonation energy storage unit 4, the detonation control module 6, and the bridge wire detection module 8 to control the operation of the entire controller; wherein,

The other end of the detonating energy storage unit 4 is connected to the bridge wire 7 , and the other end of the bridge wire 7 is connected to the other end of the bridge wire detection module 8 .

The ignition device includes multiple ignition bombs and a launching device for launching ignition bombs. The ignition bomb includes no less than 40 point sparks; the mass of the ignition bomb is 200~250g, and the vertical launching height is divided into 90~120 m and 150~160 m For the two types, the firing position of the ignition bomb is 50 m away from the horizontal distance of the ignition bomb; the effective burning time of the point Mars body is 3-4 s, and the point Mars body covers an area of about 800 m ² . As shown in FIG. 3 and FIG. 4 , the launch device includes a launch tube and a launch base, and the angle of the launch tube relative to the launch base is adjustable.

As shown in Figure 5 and Figure 6, the detonation network is connected in parallel, including the detonation network host, two detonation network slaves and several cables; the two detonation network slaves are connected in parallel to the detonation network host, and the detonation network slave and digital electronic detonator. Two-way communication is formed between the ignition devices, and between the digital electronic detonator and the ignition device; the maximum communication distance from the detonation network host to the detonation network slave is 2000m; the detonation network slave sets the digital electronic detonator delay time range from 0 to 16000ms; the maximum communication distance from the detonating network slave to the detonator is 100m.

The detonation network host is divided into power switch and charging interface, slave interface, liquid crystal display area, indicator light display area, key area and button operation area; the detonation network host controls the action of the detonation network slave and digital electronic detonator controller, receives Information processing and display will be performed on the execution of corresponding actions, and it has the highest processing power. The detonation network host is powered by a +24VDC lithium sub-battery and a DC power module; the power module generates all the DC power required by the device; the operation panel operates the device, including the power switch, online detection button, fault detection button, detonation button, and inquiry Slave information, up and down buttons, etc.; password login is a barrier set up for security, you must enter the correct password to log in to the interface to operate the detonation network host; the communication interface module realizes RS-485 between the detonation network host and each detonation network slave. Communication; the processing module is the core, which realizes data processing, input sampling, output control and other functions; the display part adopts a liquid crystal display module to visually display the information exchanged between the user and the detonation system.

The detonation network slave is divided into power switch and charging interface, communication interface, serial number interface, digital electronic detonator interface, liquid crystal display area, and key area; the power switch controls the detonation network slave to supply power; the detonation network host lithium battery is charged by a special charger One end of the communication interface is connected to the detonation network host, and the other end is connected to the next detonation network slave; the serial number interface determines the address number of the detonation network slave; the digital electronic detonator interface is connected to the digital electronic detonator; the liquid crystal display area displays relevant information; the button area Carry out the corresponding LCD page selection and setting operations.

Among them, the detonation network host and the detonation network slave have built-in rechargeable lithium sub-battery, the battery voltage is detected and displayed in real time, and an alarm indication is given when the voltage is lower than the set value; the cable is a wired cable, the model is PSVP2*2.0, and the shielded twisted pair is used .

In order to ensure that the cutting is on the axis, optical measurement and electronic level calibration technology are used to make the axis of the linear concentrated cutter and the axis of the pipeline on a vertical plane, and the linear concentrated cutter is fixed on the pipe by setting the fixing bracket, such as As shown in Figure 7, the fixed bracket is L-shaped, one arm is fixed to the side wall of the linear energy-gathering cutter, and the other vertical arm is fixed to the pipeline.

In view of the need to backfill the top of the linear energy-gathering cutter, which can protect the cutter without affecting the explosion effect, a protective cover is set up according to the requirements. As shown in Figure 8, the protective cover is formed by multiple flat plates.

Example 2: Test method for full-scale blasting cutting of pipelines

2.1 Blasting construction requirements: use a linear energy-gathering cutter to cut a 500mm long and 10mm wide penetrating crack along the axial direction under the condition that the X80 pipeline with a diameter of 1422mm and a thickness of 21.4mm is filled with 13.3MPa natural gas, and ignited by ignition The device ignites the natural gas leaked from the cutting into the air.

2.2 Technical requirements of linear energy-gathering cutter:

(1) Before the test, the steel pipe or steel plate of the same specification as the test should be used for the cutting test of the linear energy-gathering cutter to ensure reliable cutting;

(2) Linear energy-gathering cutters should be installed before soil backfilling;

(3) The linear energy-gathering cutter should be installed at the 12 o'clock position on the top of the center of the cracking pipe along the axial direction of the cracking pipe;

(4) The width of the through-type crack introduced by the linear energy-gathering cutter should be as narrow as possible, preferably no more than 10mm;

(5) The length of the through-type crack introduced by the linear energy-gathering cutter is 500mm;

(6) The through-type cracks introduced by the linear energy-gathering cutter should be parallel to the axial direction of the steel pipe;

(7) The tip of the through-type crack introduced by the linear energy-gathering cutter should be relatively sharp;

(8) The linear energy gathering cutter adopts digital electronic detonator, which is detonated in the middle;

(9) The amount of charge should be moderate, just cut through the 21.4mm thick X80 pipeline steel pipe;

(10) The linear energy-gathering cutter should use red copper as the material of the medicine cover;

(11) A protective cover is required to ensure that the linear energy-gathering cutter is not affected by the extrusion of the backfill, and the installation method of the protective cover must be approved by the owner;

(12) The purchase, transportation, storage and use of linear energy-gathering cutters shall comply with relevant laws and regulations.

2.3 The ignition device shall meet the following technical requirements:

(1) The ignition device shall ensure that the natural gas mass that leaks and rises into the air will be ignited within 2s after detonation;

(2) The ignition device must be guaranteed to work effectively within the wind speed of grade 0 to 5;

(3) The ignition device needs to ensure that it can work effectively in the case of light rain;

(4) The ignition device needs to ensure that it can work effectively in an explosive environment;

(5) Multiple firing bombs are used, and the firing height of the firing bombs must be above 120m.

2.4 On-site graphic design

As shown in Figures 9 and 10, due to the huge destructive power of natural gas after ignition and explosion, for the safety of test personnel, the detonation control point needs to be 2km away from the blasting point; in order to ensure that the leaked natural gas is ignited, after accurate calculation, the detonator launcher is installed at a distance of 50m from the blasting point, the circumference is placed on 4 symmetrical corners.

2.4 The test method includes the following steps:

(1) Electric welding fixing auxiliary device: spot welding the fixing bracket and the protective cover to the pipeline to be tested;

(2) Install the linear energy-gathering cutter: Install the linear energy-gathering cutter to the desired cutting position by screwing to ensure that the energy-gathering hole is facing the pipeline;

(3) Install the ignition device: Calculate the launch distance of the ignition device, install the launch base 50 meters away from the cutting point, and adjust the launch angle of the launch tube;

(4) Receipt of explosives: digital electronic detonators and ignition bombs must be kept on-site by a special person, and operate in strict accordance with the "Blasting Safety Regulations".

(5) Setting delay: as shown in Figures 5 and 6, set the detonation time of each ignition bomb and digital electronic detonator respectively;

(6) Installation of explosives: according to the set delay time, install the ignition bomb into the launch tube and the digital electronic detonator into the linear energy gathering cutter;

(7) Connect the blasting network: connect the network after other construction personnel are evacuated. As shown in Figure 11, all digital electronic detonators are connected in parallel with the corresponding blasting network slaves; connect the cables between the blasting network slaves ;Connect the connection between the detonation network host and the detonation network slave;

(8) Detonation: Before the explosion, the personnel, machinery and equipment and vehicles should be evacuated from the site, and guard posts should be set up around the explosion area to check that the blasting network is correct, and then send a contact signal to report to the commander, and then enter the detonation station to wait for instructions to detonate;

(9) Inspection after blasting: After blasting is completed, relevant blasting personnel enter the site for inspection, and arrange for treatment in time if problems are found. The alarm can be lifted only after the inspection is correct.

2.5 Operation steps for detonation:

(1) Turn on the power supply of the detonation network host and all online detonation network slaves respectively; the preparations before detonation are completed;

(2) Enter the detonation network host login password to enter the operation interface, press the online detection button, and check whether the number and number of online slaves displayed on the indicator light or interface are consistent with the actual control. Go to the next operation after normal;

(3) Press the fault detection button to check whether each online slave has faults: slave undervoltage, slave output open circuit, short circuit and other faults. After all the slaves are normal, go to the next operation;

(4) Press the detonation button, enter the detonation authorization of the digital electronic detonator, and press the OK key to automatically set the authorization password for each detonation network slave → detonation 20S countdown → the digital electronic detonator detonates according to the delay setting.

2.6 Operation steps for detonating digital electronic detonator controller:

As shown in Figure 12, after receiving the charging instruction, it is judged whether the detonation authorization password is correct, and if it is correct, normal charging is performed; after receiving the detonation instruction, it is judged whether the energy storage capacitor has been charged, and if it is normal, the delay is performed according to the set delay parameter; When the delay time expires, a detonation command is issued; when the detonation ends, the residual stored energy is discharged.

Claims (10)

1. The utility model provides a full-scale blasting cutting test device of pipeline which characterized in that includes: the linear energy-gathering cutter comprises a linear energy-gathering cutter, a plurality of ignition devices and a detonation network, wherein the detonation network controls the explosion of the linear energy-gathering cutter and the emission time of the ignition devices;

the linear energy gathering cutter is axially arranged at the 12 o' clock position of the top of the center of the fracturing pipe along the fracturing pipe and comprises a plurality of digital electronic detonators, each digital electronic detonator is detonated in a middle detonation mode, a controller is arranged in each digital electronic detonator, and the controller is provided with a unique ID code to identify each digital electronic detonator;

the ignition device comprises a plurality of ignition bombs, and each ignition bomb comprises not less than 40 ignition stars;

the detonation networks are connected in parallel and comprise a detonation network host, a plurality of detonation network slaves and a plurality of cables; the plurality of the detonation network slave machines are connected in parallel with the detonation network host machine, and two-way communication is formed among the detonation network slave machines, the digital electronic detonators and the ignition devices and among the digital electronic detonators and the ignition devices.

2. The pipe full-scale burst cutting test device of claim 1, wherein the linear shaped cutter introduces through-type cracks parallel to the axis of the starter pipe; the width of the penetrating crack is as narrow as possible, preferably not more than 10 mm; the length is 500 mm.

3. The full-size blasting cutting test device for the pipeline according to claim 1, wherein the mass of the ignition bomb is 200-250 g, and the vertical launching height is divided into two types of 90-120 m and 150-160 m; the horizontal distance between the launching position of the ignition bomb and the ignition bomb is 50 m; the effective combustion time of the ignition star is 3-4 s, and the coverage area of the ignition star is 800 m²Left and right.

4. The full-scale burst cutting test device of claim 1, wherein the ignition device further comprises a launching device for launching the ignition bomb, the launching device comprises a launching tube and a launching base, and the angle of the launching tube relative to the launching base is adjustable.

5. The full-size blasting cutting test device for the pipeline according to claim 1, wherein the host machine of the blasting network is divided into a power switch, a charging interface, a slave interface, a liquid crystal display area, an indicator light display area, a key area and a button operation area; the detonation network host controls the actions of the detonation network slave and the digital electronic detonator controller, receives corresponding action execution conditions, processes and displays information, and has the highest processing right; the number of the detonation network host machines connected with the detonation network slave machines is 1-20; the farthest communication distance from the initiation network host to the initiation network slave is 2000 m.

6. The full-size blasting cutting test device for pipelines according to claim 1, wherein the blasting network slave machine is divided into a power switch, a charging interface, a communication interface, a numbering interface, a digital electronic detonator interface, a liquid crystal display area and a key area; the power switch controls the power supply of the detonation network slave; charging the lithium battery of the host of the detonation network by a special charger; one end of the communication interface is connected with the detonation network host, and the other end of the communication interface is connected with the next detonation network slave; the numbering interface determines the address number of the slave of the detonation network; the digital electronic detonator interface is connected with the digital electronic detonator; the liquid crystal display area displays related information; performing corresponding liquid crystal display page selection and setting operation in a key area; the blasting network slave machine sets the delay time range of the digital electronic detonator to be 0-16000 ms; the number of the detonating network slave machines connected with the detonators is 1-200; the farthest communication distance of the detonating network from the machine to the detonator is 100 m.

7. The full-size blasting cutting test device for the pipeline according to claim 1, wherein the controller of the digital electronic detonator is of a modular design and comprises a communication module, a power supply module, a processing unit, a blasting energy storage unit, a discharge module, a blasting control module, a bridge wire detection module and a bridge wire;

one end of the communication module is connected with the detonator leg wire, and the other end of the communication module is sequentially connected with the power module and the processing unit, so that data communication between the detonator, the programmer and the controller is realized;

the processing unit is connected with the discharging module, the detonation energy storage unit, the detonation control module and the bridge wire detection module and controls the operation of the whole controller; wherein,

the other end of the detonation energy storage unit is connected with the bridge wire, and the other end of the bridge wire is connected with the other end of the bridge wire detection module.

8. A full-size blasting cutting test method for pipelines is characterized by comprising the following steps:

(1) electric welding auxiliary device: spot welding the fixed support and the protective cover on a pipeline to be tested;

(2) installing a linear energy gathering cutter: mounting a linear energy-gathering cutter to a required cutting position in a screw fixing mode to ensure that an energy-gathering hole is opposite to a pipeline;

(3) installing an ignition device: calculating the launching distance of the ignition device, installing a launching base at a position 50 meters away from the cutting point, and adjusting the launching angle of a launching tube;

(4) collar blasting article: the field storage of the digital electronic detonator and the ignition bomb needs to be responsible for a specially-assigned person, the operation is strictly carried out according to the rules of 'blasting safety regulations', and the determined blasting material variety cannot be changed and adjusted freely without the approval of a competent unit;

(5) setting time delay: respectively setting the detonation time of each ignition bomb and the detonation time of the digital electronic detonator;

(6) installing explosive: respectively installing an ignition bomb into the launching tube and a digital electronic detonator into the linear energy-gathering cutter according to the set delay time;

(7) connecting a blasting network: after other constructors are removed, the network connection is carried out, the connection is carried out according to the designed blasting network line, and the connection method is required to meet the standard requirement;

(8) detonating: before explosion, field personnel, mechanical equipment and vehicles leave the field, and after sentry guards are set around an explosion area to check that an explosion network is error-free, a contact signal is sent to a commander for reporting, and then the detonation station receives a waiting instruction for detonation;

(9) and (3) checking after explosion: after the blasting is finished, blasting related personnel enter a site for inspection, problems are found and arranged in time, and the alarm can be relieved after the inspection is correct.

9. The method for testing the full-size blast cutting of pipes according to claim 8, wherein the step of initiating comprises:

(1) respectively turning on the power supplies of the detonation network host and all the online detonation network slave machines; finishing the preparation work before detonation;

(2) inputting a login password of a host of the detonation network to enter an operation interface, pressing an online detection button, and checking whether the number and the serial number of online slaves are consistent with actual deployment and control or not by an indicator lamp or an interface; entering the next operation after the operation is normal;

(3) pressing down a fault detection button to check whether each online slave machine has a fault: faults of under-voltage of the slave machine, output open circuit and short circuit of the slave machine; all the slave machines enter the next operation after being normal;

(4) and pressing a detonating button, inputting digital electronic detonators, and after the detonation authorization, pressing a determining key to automatically carry out authorization password setting on each detonating network slave machine → 20S countdown for detonation → carrying out detonation by the digital electronic detonators according to delay setting.

10. The full-size blasting cutting test method for pipelines according to claim 8, wherein the operation step of detonation of the digital electronic detonator controller comprises the following steps:

(1) receiving a charging instruction to judge whether the detonation authorization code is correct or not, and if the detonation authorization code is correct, performing normal charging;

(2) receiving a detonation instruction, judging whether the energy storage capacitor is charged or not, and if so, delaying according to a set delay parameter;

(3) when the delay time is up, a detonation command is sent out; and after detonation is finished, discharging the residual energy storage electric quantity.

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