CN213631841U

CN213631841U - Safe and environment-friendly explosive burning system

Info

Publication number: CN213631841U
Application number: CN202022713504.1U
Authority: CN
Inventors: 高增山
Original assignee: Hebei Bosen Optoelectronic Equipment Technology Co ltd
Current assignee: Hebei Bosen Optoelectronic Equipment Technology Co ltd
Priority date: 2020-11-20
Filing date: 2020-11-20
Publication date: 2021-07-06
Anticipated expiration: 2030-11-20

Abstract

The utility model relates to an explosive processing technology field provides an explosive system of burning of safety ring protects, including the incinerator that is used for the explosive to destroy, to adding the charge-in system who treats the explosive that destroys in the incinerator, handle the exhaust treatment system who destroys the waste gas that produces, burn the incinerator and include: the device comprises a first furnace body, a second furnace body and a control device, wherein the middle part of the first furnace body is cylindrical, the top and the bottom of the first furnace body are both hemispherical, the bottom of the first furnace body is provided with a feed opening, and the first furnace body is provided with a first furnace door for closing or opening the feed opening; the second furnace body is arranged below the first furnace body and is communicated with the first furnace body through a feed opening, and a storage bin is arranged in the second furnace body; the grid net is arranged in the first furnace body and is positioned at the lower part of the furnace body; and the burner of the burner extends into the first furnace body and faces the grid net. Through the technical scheme, the problems that flammable and explosive materials such as waste fuses and initiating explosive devices are not safe enough and generate more polluted gases to pollute the environment when the flammable and explosive materials are destroyed by adopting an incineration mode in the prior art are solved.

Description

Safe and environment-friendly explosive burning system

Technical Field

The utility model relates to an explosive processing technology field, it is specific, relate to a safe and environment-friendly's explosive system of burning.

Background

In the process of explosive development, production and use, waste, old and defective products are generated inevitably due to various reasons such as unqualified products generated in production, unreasonable storage or exceeding service life, various routine tests and the like, and the waste, old and defective products have the characteristics of high sensitivity, poor stability, easy explosion, difficult long-term accumulation and concentrated destruction. In the past, in the process of destroying waste fuses, casualty accidents are often caused by improper handling of the fuses and initiating explosive devices. Therefore, the waste fuses and initiating explosive devices are treated by a timely, safe and reliable burning method, more polluted gas is generated by adopting the burning mode for treatment, the environment is polluted by direct discharge, and the existing burning furnace is not safe and reliable enough.

SUMMERY OF THE UTILITY MODEL

The utility model provides a safe and environment-friendly's explosive burns system has solved the problem that the flammable and explosive materials such as old and useless detonator, initiating explosive device among the prior art are safe inadequately, produce more gaseous pollutants polluted environment when the mode that adopts to burn is destroyed.

The technical scheme of the utility model as follows:

a safe and environment-friendly explosive burning system comprises a burning furnace for destroying explosives, a feeding system for adding the explosives to be destroyed into the burning furnace, and a waste gas treatment system for treating waste gas generated in the destruction, wherein the burning furnace comprises:

the furnace comprises a first furnace body, a second furnace body and a third furnace body, wherein the middle part of the first furnace body is cylindrical, the top and the bottom of the first furnace body are both hemispherical, the bottom of the first furnace body is provided with a feed opening, and the first furnace body is provided with a first furnace door for closing or opening the feed opening;

the second furnace body is arranged below the first furnace body and is communicated with the first furnace body through the feed opening, and a storage bin is arranged in the second furnace body;

the grid net is arranged in the first furnace body and is positioned at the lower part of the furnace body;

and the burner of the burner extends into the first furnace body and faces the grid net.

Further, be equipped with on the first furnace body the inlet pipe with loading attachment intercommunication, be equipped with rotary feed device in the inlet pipe, rotary feed device is equipped with rotation detection device.

Further, the rotary feeding device comprises:

a rotating shaft rotatably disposed within the feed tube,

rotatory leaf group, including a plurality of rotating vane, set up in the axis of rotation, rotatory leaf group will the inlet pipe divide into feeding region and unloading district to keep feeding region and unloading district all the time and cut off.

Further, the first furnace door is rotatably arranged on the first furnace body through a rotating pin shaft, a rotating arm is arranged on the first furnace door, a first hydraulic cylinder is arranged on the first furnace body, and a piston rod of the first hydraulic cylinder is hinged with the rotating arm to drive the rotating arm to rotate;

the first furnace body is provided with a first pin hole, the first furnace door is provided with a second pin hole, and the first furnace door further comprises a locking pin shaft, and the locking pin shaft is used for penetrating through the first pin hole and the second pin hole when the first furnace door is closed.

Further, a discharge outlet is arranged at the bottom of the storage bin, a second furnace door is arranged at the discharge outlet,

a horizontal rail is arranged on the second furnace body, and the second furnace door is arranged on the rail in a sliding manner;

and a second hydraulic cylinder is further arranged on the second furnace body, and a piston rod of the second hydraulic cylinder is connected with the second furnace door to drive the second furnace door to slide.

Further, first furnace body top be equipped with discharge fume the pipe with exhaust-gas treatment system intercommunication, the incinerator still includes:

the first protective cover is arranged in the first furnace body and is arranged opposite to the smoke exhaust pipe, and a gap is reserved between the side wall of the first protective cover and the inner wall of the first furnace body;

the second protection casing sets up in the first furnace body, set up first protection casing with on the first furnace body inner wall between the pipe of discharging fume, with leave the clearance between the first protection casing.

Furthermore, protective nets are arranged between the first protective cover and the inner wall of the furnace body and between the second protective cover and the first protective cover.

Furthermore, a replaceable impact layer is also arranged in the first furnace body.

Further, the feeding system adopts a chain conveyor, a plurality of conveying boxes are arranged on a chain of the chain conveyor, and the first furnace body is fed with materials through the conveying boxes.

Further, the waste gas treatment system includes cyclone, heat exchanger, bag collector, plasma clarification plant, UV photodissociation clarifier, active carbon adsorption case, fan and the spray column that communicates in proper order, cyclone with first furnace body intercommunication.

The utility model discloses a theory of operation and beneficial effect do:

the utility model discloses in, an explosive burns system, including the incinerator that is used for explosive to burn, to adding the feeding system of the explosive that waits to burn in the incinerator, handle the exhaust treatment system who burns the waste gas of production, the incinerator includes: the device comprises a first furnace body, a second furnace body and a control device, wherein the middle part of the first furnace body is cylindrical, the top and the bottom of the first furnace body are both hemispherical, the bottom of the first furnace body is provided with a feed opening, and the first furnace body is provided with a first furnace door for closing or opening the feed opening; the second furnace body is arranged below the first furnace body and is communicated with the first furnace body through a feed opening, and a storage bin is arranged in the second furnace body; the grid net is arranged in the first furnace body and located on the lower portion of the furnace body, and the burner of the burner extends into the first furnace body and faces the grid net.

The explosive to be incinerated is sent into the first furnace body through the feeding system, and is destroyed in the incinerator, the explosive is incinerated to generate waste gas, the waste gas enters the waste gas treatment system for treatment, the waste gas quality is discharged after meeting the emission standard, pollution is avoided, and the whole destroying process is safe and efficient and pollution-free.

The middle part of a first furnace body for burning explosive is designed to be cylindrical, the top and the bottom are hemispheric, the grid net is arranged at the lower part of the furnace body, explosive such as waste warheads, primer and the like are arranged on the grid net, high-temperature explosion is generated by flame combusted by a burner, propellant powder and other combustible materials are ignited by flame, a proper amount of air is sprayed to maintain the propellant powder to be combusted, the explosive explodes on the grid net, explosive fragments and shock waves are outwards spread in a spherical form, and the hemispherical furnace bottom can ensure that the explosive can uniformly bear load and is safer.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural diagram of a feeding system;

FIG. 3 is a first schematic view of a cutting structure of the incinerator;

FIG. 4 is a schematic view of a second cut-away structure of the incinerator;

FIG. 5 is a first schematic view of the external structure of the incinerator;

FIG. 6 is a schematic view of the external structure of the incinerator;

FIG. 7 is a top view of a grid mesh;

FIG. 8 is a top view of a second oven door;

FIG. 9 is a top view of the first shield;

in the figure: 1 incinerator, 111 first furnace body, 112 first furnace door, 113 rotating arm, 114 first hydraulic cylinder, 115 locking pin shaft, 116 burner, 117 grid net, 118 impact layer, 121 second furnace body, 122 storage bin, 123 second furnace door, 124 track, 125 second hydraulic cylinder, 131 feed pipe, 132 rotary feeding device, 1321 rotating shaft, 1322 rotating blade, 141 smoke exhaust pipe, 142 first protective cover, 143 second protective cover, 144 protective net, 2 feeding system, 21 chain conveyor, 22 conveying box, 3 waste gas treatment system.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive work, are related to the scope of the present invention.

Example 1

An explosive substance burning system, which comprises a burning furnace 1 for burning explosive substances, a feeding system 2 for adding explosive substances to be burned into the burning furnace 1, and a waste gas treatment system 3 for treating waste gas generated by burning, and is characterized in that the burning furnace 1 comprises:

the furnace comprises a first furnace body 111, wherein the middle part of the first furnace body 111 is cylindrical, the top and the bottom of the first furnace body are both hemispherical, the bottom of the first furnace body 111 is provided with a feed opening, and a first furnace door 112 for closing or opening the feed opening is arranged;

the second furnace body 121 is arranged below the first furnace body 111 and communicated with the first furnace body 111 through a feed opening, and a storage bin 122 is arranged in the second furnace body 121;

a grid mesh 117 arranged in the first furnace body 111 and positioned at the lower part of the furnace body,

and a burner 116, wherein a burner tip of the burner 116 extends into the first furnace body 111 and faces the grid mesh 117.

When an explosive explodes in the air, fragments generated by explosion generate huge pressure, the explosive fragments expand outwards to compress surrounding air media to form shock waves, when the explosion occurs in the air, the explosive fragments and the shock waves can be outwards expanded and spread in a spherical form, for different distances, the effects borne by the target are different, the common effect of the explosive fragments and the shock waves needs to be borne when the distance is close, when the distance is farther, the impact destructive effect which the target only can bear is smaller, and the farther the distance is, the smaller the destructive effect is.

The explosive to be incinerated is sent into the first furnace body 111 through the feeding system 2, and is destroyed in the incinerator 1, the explosive is incinerated to generate waste gas, the waste gas enters the waste gas treatment system 3 for treatment, the waste gas is discharged after the quality of the waste gas meets the emission standard, pollution is avoided, and the whole destroying process is safe and efficient and has no pollution.

The first furnace body 111 for burning explosive is designed to be cylindrical in the middle, the top and the bottom are both hemispherical, the grid mesh 117 is arranged at the lower part of the furnace body, explosive such as waste warheads, primer and the like are arranged on the grid mesh 117, high-temperature combustion and explosion are generated by flame combusted through the burner 116, propellant powder and other combustible materials are ignited by utilizing the flame, a proper amount of air is sprayed to maintain the propellant powder to be combusted, the explosive explodes on the grid mesh 117, explosive fragments and shock waves are outwards expanded and transmitted in a spherical form, and the hemispherical furnace bottom can ensure that the load is uniformly borne and is safer.

The grid mesh 117 is conical, so that materials are conveniently concentrated towards the middle, fragments after explosion fall to the furnace bottom, continuous incineration can be realized, and after the waste materials at the furnace bottom reach a certain amount, the materials are discharged again, so that continuous incineration of explosive materials can be realized.

For the safety consideration, the single destruction volume of incinerator 1 design is generally less, and traditional incinerator 1 generally is the individual layer design, sets up the bin outlet at the lateral wall of furnace body usually, all need arrange the material after every completion is burnt, does not use in batch processing, has the potential safety hazard, burns and just arranges the material after accomplishing moreover, and the residue temperature is higher, takes place the problem that personnel scalded easily.

The feed opening of first furnace body 111 and the first furnace gate 112 that is used for closing or opening the feed opening all set up the below at first furnace body 111, it is safer to compare in the side that sets up the furnace gate commonly used, and adopt two laminar furnace body designs, set up first furnace body 111 on second furnace body 121, and set up storage silo 122 in second furnace body 121, directly open first furnace gate 112 and can arrange the residue that produces after burning in first furnace body 111 into storage silo 122 and temporarily store, can slowly cool down on the one hand, make things convenient for follow-up row material, on the other hand also can play certain effect of maintaining the internal environment temperature of furnace, energy resource consumption when reducing the burning.

The first furnace body 111 is provided with a feeding pipe 131 communicated with the feeding device, the feeding pipe 131 is internally provided with a rotary feeding device 132, and the rotary feeding device 132 is provided with a rotary detection device.

The feeding system 2 adds explosives into the incinerator 1 through the feeding pipe 131, the feeding pipe 131 is internally provided with the rotary feeding device 132 to divide the feeding pipe 131 into a feeding area and a discharging area, the feeding area is not communicated with the discharging area, the rotary feeding device 132 rotates to convey the material area from the feeding area to the discharging area and enter the first furnace body 111 from the discharging area, the rotary feeding device 132 always isolates the feeding area from the discharging area to prevent air from entering the incinerator and simultaneously prevents the explosives from flying out of the incinerator. The rotary feeder 132 is provided with a rotation detecting device for detecting the rotation state of the rotary feeder 132, and an alarm is given if the rotary feeder 132 cannot rotate or rotates abnormally.

The rotary feeding device 132 includes:

a rotating shaft 1321, the rotating shaft 1321 is rotatably provided in the feed pipe 131,

the rotary vane set, which includes a plurality of rotary vanes 1322, is disposed on the rotary shaft 1321, and the rotary vane set divides the feeding pipe 131 into a feeding area and a discharging area, and always keeps the feeding area and the discharging area separated.

The first furnace door 112 is rotatably arranged on the first furnace body 111 through a rotating pin shaft, a rotating arm 113 is arranged on the first furnace door 112, a first hydraulic cylinder 114 is arranged on the first furnace body 111, and a piston rod of the first hydraulic cylinder 114 is hinged with the rotating arm 113 to drive the rotating arm 113 to rotate;

the first furnace body 111 is provided with a first pin hole, the first furnace door 112 is provided with a second pin hole, the furnace door further comprises a locking pin shaft 115, and the locking pin shaft 115 is used for penetrating through the first pin hole and the second pin hole when the first furnace door 112 is closed and driving the locking pin shaft through a driving oil cylinder.

Drive rotor arm 113 through first pneumatic cylinder 114 and rotate, and then drive first furnace gate 112 and rotate, make first furnace gate 112 open or close, open or seal the feed opening, simple structure, practical convenient, can the work of first pneumatic cylinder 114 of remote control open or close first furnace gate 112, do not need the manual work to go to be close to the operation, it is safer.

When the first furnace door 112 is closed, the first furnace door 112 is closed and locked by penetrating a locking pin 115 through a first pin hole formed in the first furnace body 111 and a second pin hole formed in the first furnace door 112 when a feed opening is closed, the first furnace door 112 is prevented from being broken down, the first furnace door 112 is opened when the incinerator 1 works, so that safety problems are caused, the locking pin 115 is controlled by driving of a hydraulic cylinder, the diameters of the locking pin 115 and the pin holes can be designed according to the single destruction amount of the incinerator 1, when too many explosives are put into the first furnace body 111, the locking pin 115 can be broken by pressure generated by explosion, the first furnace door 112 is flushed, and the situation that the hearth is exploded due to too high pressure in the furnace is avoided, so that larger safety problems are caused.

The bottom of the storage bin 122 is provided with a discharge outlet, the discharge outlet is provided with a second furnace door 123,

a horizontal rail 124 is arranged on the second furnace body 121, and the second furnace door 123 is arranged on the rail 124 in a sliding manner;

a second hydraulic cylinder 125 is further disposed on the second furnace body 121, and a piston rod of the second hydraulic cylinder 125 is connected to the second furnace door 123 to drive the second furnace door 123 to slide.

The second hydraulic cylinder 125 drives the second furnace door 123 to horizontally slide, the discharge opening is opened or closed, the guide rail limits the sliding path of the second furnace door 123, and supports the second furnace door 123, so that the sealing effect is ensured, and the second furnace door 123 is prevented from sagging.

The top of the first furnace body 111 is provided with a smoke exhaust pipe 141 communicated with the waste gas treatment system 3, and the incinerator 1 further comprises:

the first protective cover 142 is arranged in the first furnace body 111 and is arranged opposite to the smoke exhaust pipe 141, and a gap is reserved between the side wall of the first protective cover 142 and the inner wall of the first furnace body 111;

and a second shield 143 disposed in the first furnace body 111, on an inner wall of the first furnace body 111 between the first shield 142 and the smoke discharge pipe 141, with a gap from the first shield 142.

Protective nets 144 are arranged between the first protective cover 142 and the inner wall of the furnace body, and between the second protective cover 143 and the first protective cover 142.

The protective net 144 is arranged for further protection, so that fragments are prevented from entering the smoke exhaust pipe 141, and the smoke exhaust pipe is safer.

The first furnace body 111 is also provided with a replaceable impact layer 118 inside.

In the explosion process, the inner wall of first furnace body 111 is strikeed to the explosion piece, can cause first furnace body 111 inner wall to damage for a long time, influences its antiknock effect, sets up detachable impact layer 118 in first furnace body 111 inside, can protect first furnace body 111 inner wall not destroyed to impact layer 118 can be changed, can guarantee the life of destroying the stove. The shock layer 118 is made of a material with elasticity, such as steel, which can prevent the damage of fragments and also has the function of reducing shock waves.

The feeding system 2 employs a chain conveyor 21, and a plurality of conveying cassettes 22 are provided on a chain of the chain conveyor 21.

The chain conveyor 21 drives the conveying box 22 to move to feed materials into the first furnace body 111, the feeding is performed in an intermittent mode and at a fixed frequency, and a counting sensor is arranged to detect the feeding times. The control of the chain conveyor 21 and the control of the burner 116 form an interlock, which strictly prevents the feeding of the materials in the first furnace body 111 into the furnace when the materials are not burnt and ensures the safety of the system operation.

The feeding system adopts a frequency converter to control an explosion-proof motor or a hydraulic motor, so that the conveying speed and the feeding frequency of the chain conveyor can be adjusted and controlled, the adjustment of the putting amount of different products is realized, the feeding system has two modes of automatic control and manual control, and is provided with an emergency stop switch.

The waste gas treatment system 3 comprises a cyclone separator, a heat exchanger, a bag type dust collector, plasma purification equipment, a UV photolysis purifier, an activated carbon adsorption box, a fan and a spray tower which are sequentially communicated, wherein the cyclone separator is communicated with the first furnace body 111.

Waste gas that the burning produced gets into cyclone, utilize centrifugal force to get rid of the great particulate matter in the waste gas, and reduce the temperature of waste gas, then waste gas gets into the heat exchanger, get into bag collector behind the further reduction temperature and get rid of the less particulate matter that cyclone can't separate, waste gas continues to get into the organic matter in the UV photodissociation clarifier treatment waste gas, adsorb poisonous harmful substance in the waste gas through the active carbon adsorption case, acidic material in the waste gas is handled to the spray column, reach the gaseous emission that accords with the environmental protection standard, the fan provides power for entire system, in order to maintain the air volume, the fan needs certain wind pressure, the windage of each part of system is as follows: 600Pa of cyclone separator, 500Pa of heat exchanger, 2000Pa of bag-type dust collector, 200Pa of plasma purification equipment, 300Pa of UV photolysis purifier, 300Pa of activated carbon adsorption box, 1200Pa of spray tower, 800Pa of pipeline on-way resistance and 4900Pa in total. The motor matched with the fan can carry out frequency conversion and speed regulation, the air quantity and the air pressure are controlled according to actual conditions, energy is saved, and the service life is longer.

The system also comprises a temperature control system which is used for monitoring the temperature of the furnace and controlling the burner so that the temperature in the furnace is controlled at 500-700 ℃.

Carry out real-time supervision to the interior temperature of stove through temperature sensor to show the temperature in real time, through the settlement to detecting the temperature, send control signal to the combustor controller, control the operation of combustor, with control by temperature change control in the settlement within range, control by temperature change precision 1 ℃. The temperature in the furnace is controlled at 500-700 ℃, so that the lead of explosive species can not be permeated and fused with the interior of the furnace body.

The system also comprises a combustion control system for monitoring flame combustion and controlling the combustor.

The combustion control system monitors combustion flame through a flame monitor, namely an electric eye, and if the flame is not on after the combustion is started or the flame is suddenly extinguished in the running process, the electric eye locks the burner controller because the flame light cannot be detected, stops all actions, and simultaneously lights a fault lamp, namely, an audible and visual alarm, and the burner controller controls the whole combustion process.

However, under the condition of strong illumination, the electric eye detects external light to enable the controller to continuously supply oil under an error signal, so that certain danger is generated, the interference of the external light to the electric eye is eliminated, and particularly the sealing of the hearth is well done.

The system also comprises a sound monitoring system which is used for monitoring the explosion sound in the furnace; and the pressure monitoring system is used for monitoring the pressure in the furnace.

The combustion state in the furnace is further confirmed through sound detection, and the decibel number can be set according to the actual situation according to the specific working condition environment on site, so that the correctness and reliability of a detection signal are ensured;

in order to ensure that the air pressure in the furnace is basically stable, a pressure transmitter is arranged at a proper position on a smoke exhaust pipe of the furnace body to monitor the furnace pressure in real time and control the rotating speed of a fan, so that the aim of basically keeping the air pressure constant is fulfilled, meanwhile, the air pressure can also be used for indirectly reflecting the monitoring of the combustion condition in the furnace, the air pressure needs to fluctuate in the combustion process with a certain rule, if the fluctuation is smaller than an empirical value within a certain period of time, the feeding machine can be stopped after the comprehensive judgment of parameters of reference sound, temperature and the like.

The multiple monitoring system is arranged to monitor the condition in the furnace, and the multiple monitoring system and the feeding system form interlocking protection, so that the feeding system is stopped when the temperature in the furnace drops to an alarm value, the combustion and explosion are abnormal, and the wind pressure is abnormal, the alarm is given in time, and the absolute safety of the operation of the equipment is ensured.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a safe environmental protection's explosive system of burning, includes the incinerator (1) that is used for the explosive to destroy, adds the feeding system (2) of the explosive that treats to destroy to incinerator (1), handles the exhaust-gas treatment system (3) of the waste gas that produces in destroying, its characterized in that, incinerator (1) includes:

the furnace comprises a first furnace body (111), wherein the middle part of the first furnace body (111) is cylindrical, the top and the bottom of the first furnace body are both hemispherical, and the bottom of the first furnace body (111) is provided with a feed opening and a first furnace door (112) for closing or opening the feed opening;

the second furnace body (121) is arranged below the first furnace body (111) and is communicated with the first furnace body (111) through the feed opening, and a storage bin (122) is arranged in the second furnace body (121);

the grid net (117) is arranged in the first furnace body (111) and is positioned at the lower part of the furnace body;

the burner of the burner (116) extends into the first furnace body (111) and faces the grid net (117).

2. The safe and environment-friendly explosive destruction system according to claim 1, wherein a feeding pipe (131) is arranged on the first furnace body (111) and is communicated with the feeding system, a rotary feeding device (132) is arranged in the feeding pipe (131), and the rotary feeding device (132) is provided with a rotary detection device.

3. The safe and environmentally friendly explosives destruction system of claim 2, characterized in that the rotary feeder (132) comprises:

a rotating shaft (1321), the rotating shaft (1321) is rotatably arranged in the feeding pipe (131),

rotatory blading, including a plurality of rotating vane (1322), set up on axis of rotation (1321), rotatory blading will inlet pipe (131) divide into feeding region and unloading district to keep feeding region and unloading district to cut off all the time.

4. The safe and environment-friendly explosive incineration system according to claim 1, wherein the first furnace door (112) is rotatably arranged on the first furnace body (111) through a rotating pin shaft, a rotating arm (113) is arranged on the first furnace door (112), a first hydraulic cylinder (114) is arranged on the first furnace body (111), and a piston rod of the first hydraulic cylinder (114) is hinged to the rotating arm (113) to drive the rotating arm (113) to rotate;

the furnace comprises a first furnace body (111), a second furnace door (112), a locking pin shaft (115), and a first pin hole and a second pin hole, wherein the first furnace body (111) is provided with the first pin hole, the first furnace door (112) is provided with the second pin hole, and the locking pin shaft (115) is used for penetrating through the first pin hole and the second pin hole when the first furnace door (112) is closed.

5. The safe and environment-friendly explosive incineration system according to claim 1, wherein a discharge outlet is arranged at the bottom of the storage bin (122), a second furnace door (123) is arranged at the discharge outlet,

a horizontal rail (124) is arranged on the second furnace body (121), and the second furnace door (123) is arranged on the rail (124) in a sliding manner;

and a second hydraulic cylinder (125) is further arranged on the second furnace body (121), and a piston rod of the second hydraulic cylinder (125) is connected with the second furnace door (123) to drive the second furnace door (123) to slide.

6. The safe and environmentally friendly explosive destruction system according to claim 1, wherein a smoke exhaust pipe (141) is provided at the top of the first furnace body (111) to communicate with the waste gas treatment system (3), and the incinerator (1) further comprises:

the first protective cover (142) is arranged in the first furnace body (111) and is arranged opposite to the smoke exhaust pipe (141), and a gap is reserved between the side wall of the first protective cover (142) and the inner wall of the first furnace body (111);

and the second protective cover (143) is arranged in the first furnace body (111), is arranged on the inner wall of the first furnace body (111) between the first protective cover (142) and the smoke exhaust pipe (141), and has a gap with the first protective cover (142).

7. The safe and environmentally friendly explosives destruction system of claim 6, characterized in that a protective screen (144) is arranged between the first protective cover (142) and the inner wall of the furnace body, and between the second protective cover (143) and the first protective cover (142).

8. The safe and environmentally friendly explosive destruction system according to claim 1, wherein the first furnace body (111) is further provided with a replaceable impact layer (118) inside.

9. The safe and environmentally friendly explosive incineration system according to claim 1 or 2, wherein the feeding system (2) employs a chain conveyor (21), a plurality of conveying boxes (22) are provided on a chain of the chain conveyor (21), and the first furnace body (111) is charged through the conveying boxes (22).

10. The safe and environment-friendly explosive incineration system according to claim 1 or 6, wherein the exhaust gas treatment system (3) comprises a cyclone separator, a heat exchanger, a bag type dust collector, a plasma purification device, a UV photolysis purifier, an activated carbon adsorption tank, a fan and a spray tower which are sequentially communicated, and the cyclone separator is communicated with the first furnace body (111).