A kind of Multifunctional heavy ANFO mixing loading truck
Technical field
The application relates to explosives mix-load truck, particularly relates to a kind of Multifunctional heavy ammonium nitrate-fuel oil mixture field mixed loading truck.
Background technology
The on-site mixed bulk explosive of one that porous particulated ammonium oil explosive is a kind of ammonium nitrate and diesel oil mixes in the ratio of 94.5:5.5, it has that abundant raw material, processing is simple, low cost of manufacture, good free-running property, use safety, gas energy is big, explosion velocity is moderate feature, be widely used in surface mining bursting work.
Although porous particulated ammonium oil explosive is with low cost, but it is non-watertight, non-moistureproof, it is suitable for the area of drought, mining area for rainy season construction, rich groundwater, and water bearing blasthole, moist big gun hole, all need to carry out damp-proof treatment, and its relative volume can be relatively low with weight energy, is not particularly adapted for the explosion of hard rock.
Porous particulated ammonium oil explosive is generally blended by porous particulated ammonium oil explosive field mixed loading truck, and is directly loaded into big gun hole, and when big gun hole is contained within a small amount of water, a kind of method is in big gun hole inner lining plastic bag, then powder charge, but this method cannot realize coupling charging;Another kind of method is first draining in big gun hole, including explosion draining, draws water, then powder charge, and this kind of method may cause owing to big gun hole is connected with neighbouring underground water source that in big gun hole, ammonium nitrate is dissolved in follow-up water inlet, and causes explosive inefficacy;Or adopt vent plug or spacer by the spaced-apart of water Yu powder charge, do not loaded explosive by the part at interval, affect demolition effect;
Emulsion has the advantages that water resistance is good, waterproof ability strong, relative volume energy is big, density is big, explosion velocity is high, but its density adjustable extent is little, it is stable to be typically between 1.05-1.35g/cm3 explosion property, hard above rock blasting in being suitable for, the shortcoming of emulsion is that manufacturing cost is high, density is big, explosive specific charge is high, packaging emulsion needs to load section by section, it is impossible to realizing coupling charging, on-site mixed emulsion is generally adopted emulsion field mixed loading truck and realizes the filling of emulsion.
In mine blasting is constructed, owing to environmental condition is complicated and changeable, including the condition that formation hardness is changeable, and under the impact of the multiple condition such as presplit blasting demand, rainy season construction, rock joint, if adopting existing on-site mixed ammonium nitrate-fuel oil mixture or emulsion, take into account demolition effect when explosive specific charge is constant, be then difficulty with.
Summary of the invention
It is an object of the invention to provide a kind of Multifunctional heavy ANFO mixing loading truck, the advantage that porous and granular emulsifying ammonium nitrate fuel explosive has emulsion and porous particulated ammonium oil explosive concurrently, overcome the shortcoming and defect of existing emulsion and porous particulated ammonium oil explosive simultaneously, while keeping porous particulated ammonium oil explosive good characteristic, solve ammonium nitrate-fuel oil mixture protection against the tide simultaneously, the defect of water resistance difference, also overcome Density of Emulsion Explosive big simultaneously, the deficiency that explosive specific charge is high, and solve the predicament of Density of Emulsion Explosive adjustment poor performance, the titania-mica car of the present invention can provide large-scale explosive density to regulate, realize the spot mixing heavy anfo explosive truck of the many explosion velocities of multi-density.
Technical scheme is as follows:
A kind of Multifunctional heavy ANFO mixing loading truck, including car body, chassis, it is characterized in that: also include main bin system and auxiliary bin system, Double helix conveying hybrid system and control system, and loading coil pipe, plunger linkage pump, described main bin system includes emulsifying base feed bin, ammonium nitrate feed bin and phsyical density regulator feed bin, described auxiliary bin system includes diesel fuel tanks, sensitizing solution case, clean water tank, described diesel fuel tanks is provided with diesel pump, emulsifying base feed bin is provided with emulsifying base screw pump, sensitizing solution case is provided with sensitization liquid pump, described Double helix conveying hybrid system includes the principal screw conveyer being sequentially arranged, inclined screw conveyor and mixing side conveying worm, principal screw conveyer at least includes principal screw conveyer A and principal screw conveyer B, the entrance point of principal screw conveyer A is connected with ammonium nitrate bin bottom, the entrance point of principal screw conveyer B is connected with phsyical density regulator bin bottom, principal screw conveyer A, principal screw conveyer B and inclined screw conveyor, mixing side conveying worm is sequentially connected, explosive is loaded big gun hole by the port of export of mixing side conveying worm.
Optionally, described principal screw conveyer A and principal screw conveyer B, it is installed on below ammonium nitrate feed bin and phsyical density regulator feed bin, respectively conveying ammonium nitrate and/or phsyical density regulator.
Optionally, described principal screw conveyer B is provided with arrangements for speed regulation, by regulating the rotating speed of main conveying screw machine B, regulates the output speed of physics density adjuster, reaches to regulate the purpose of different densities and explosion velocity.
Optionally, the junction of described emulsifying base feed bin, ammonium nitrate feed bin, density adjuster feed bin and principal screw conveyer is provided with the baffle plate whether controlling feed bin discharging, and the unlatching of described baffle plate is Non-follow control or is controlled by control system.
Optionally, described baffle plate is flow direction of material baffle plate, flows to principal screw conveyer A or principal screw conveyer B respectively controlling material.
Optionally, the output pipe of described emulsifying base and sensitizing solution includes: a road includes the plunger linkage pump, water ring infusion appliance, loading coil pipe, the static mixer that are sequentially connected;Another road includes emulsifying base screw pump and the sensitization liquid pump of pumpable emulsion substrate, described emulsifying base screw pump is connected with inclined screw conveyor vertical outlet section lower end respectively through pipeline with sensitization liquid pump, described sensitizing solution case includes at least three relatively independent sensitizing solution casees, to provide the sensitizing solution of variable concentrations respectively, wherein one or two provide sensitizing solution to sensitization liquid pump.
Optionally, described explosives mix-load truck is additionally provided with power takeoff hydraulic oil cyclic control system, including the power takeoff being connected with car body reduction box, drive link, hydraulic pump, hydraulic oil shunt, hydraulic oil cooler, hydraulic oil filter and hydraulic oil container and Pressure gauge, thermometer, fluid pressure line.
Optionally, described diesel fuel tanks and output pipe, it is connected with inclined screw conveyor vertical outlet section upper end with spout by pipeline.
Optionally, the one or both ends of described inclined screw conveyor are provided with vertical spin transportation section.
Optionally, described control system includes automobile power transmission hydraulic oil cyclic control system, pump flow control system, material output amount control system, facility switching control system, Programmable Logic Controller, mixed proportion control system, electric potential control system, bulk explosive information processing system, bulk explosive monitoring system and control panel.
Optionally, inside the bulkhead of described emulsifying base feed bin and/or arranged outside have heat-insulation layer.
Optionally, described explosives mix-load truck also includes cleaning water system, and described cleaning water system includes cleaning water tank and flushing water pump.
Optionally, described mixing side spiral conveyer horizontally rotates, and is arranged at driver side or car body top.
Optionally, described water ring infusion appliance forms the water ring outside powder column when using loading coil pipe to enter explosive to hole rising pouring in loading coil pipe.
Optionally, described ammonium nitrate is ammonium nitrate, and described phsyical density regulator is the granule that thermoplastic polymer prepares, such as granules of polystyrene, or coarse grain perlite particle, or plant seed granule or cot.
The method have technical effect that:
The blasting agent mixing vehicle of the present invention by arranging some feed bins on car body, feed bin can store emulsifying base, ammonium nitrate, phsyical density regulator respectively, diesel oil, sensitizer, cleaning water, conveying hybrid system includes principal screw conveyer, inclined screw conveyor and mixing side conveying worm, and principal screw conveyer A that wherein principal screw conveyer at least includes connecting and carry ammonium nitrate respectively and connection also carry the principal screw conveyer B of phsyical density regulator.
It addition, in the present invention, be directly connected with water ring infusion appliance, loading hose and static mixer by plunger linkage pump on the one hand, reach direct on-site mixed emulsion, it is achieved the purpose of long distance pumping;On the other hand, by emulsifying base screw pump and sensitizing solution pump conduit, emulsifying base and sensitizing solution are delivered directly to the vertical output mouth lower end of inclined screw conveyor, after emulsifying base and sensitizing solution are mixed by blended side conveying worm with ammonium nitrate ammonium nitrate-fuel oil mixture, big gun hole sent into by explosive by the direct blended side conveying worm port of export.
In the blasting agent mixing vehicle of the present invention, utilize each feed bin and the various combination of each output pipe, it is possible to achieve the technical purpose that multicharge is on-site mixed.
The blasting agent mixing kind that the blasting agent mixing vehicle of the present invention realizes includes:
Function one: titania-mica, principal screw conveyer A carries ammonium nitrate material, vertical outlet upper end spray feed diesel oil at inclined screw conveyor, then, spray feed emulsifying base and sensitizing solution the vertical outlet lower end of inclined screw conveyor while, form titania-mica after the conveying worm mixing of blended side, mixing side conveying worm send into big gun hole.Titania-mica has certain moisture resistance, water proofing property, it is adaptable in hard and in the explosion of hard following rock, dry hole, moist hole, big gun hole that water content is few are suitable for filling titania-mica.
Function two: the adjustable titania-mica of density, on the basis of function one, meanwhile, exports physics density adjuster by principal screw conveyer B, to adjust the density of titania-mica.Preferred Auto-regulating System of Density of Heavy Medium scope 0.45-1.15g/cm3, it is suitable for the explosion of rock blasting or the same big gun hole different lithology relatively grown in moist hole, moisture few big gun hole, soft rock and joint.
Function three: porous particulated ammonium oil explosive, principal screw conveyer A carries ammonium nitrate material, sprays into diesel oil in the vertical outlet upper end of inclined screw conveyor, forms porous particulated ammonium oil explosive after mixing, and big gun hole sent into by blended side conveying worm.Be suitable for dry hole, arid area, the environment of anhydrous operation in winter, in hard and in hard following rock blasting.
Function four: the adjustable porous particulated ammonium oil explosive of density, on the basis of function three, meanwhile, exports physics density adjuster by principal screw conveyer B, to adjust the density of porous particulated ammonium oil explosive.Range of accommodation 0.4-0.9g/cm3, it is suitable for the rock blasting that dry hole, soft rock and joint are relatively grown.
Function five: the adjustable heavy emulsion of density, principal screw conveyer A exports ammonium nitrate, principal screw conveyer B exports physics density adjuster, diesel oil is sprayed in tilting screw vertical outlet upper end, emulsifying base and sensitizing solution is injected in the vertical outlet lower end of tilting screw, after the mixing of blended conveying worm, form the adjustable heavy emulsion of density, density adjusting range 0.4-1.30g/cm3, the mixing side conveying worm port of export send into big gun hole, be suitable for hard, in hard and in hard following water balance principles and dry hole explosion.
Function six: the adjustable emulsion of density, principal screw conveyer B exports physics density adjuster, injects emulsifying base and sensitizing solution in the vertical outlet lower end of tilting screw, after the mixing of blended conveying worm, form the adjustable emulsion of density, for soft rock explosion;When producing ultra-low-density emulsion explosive, the output parameter that principal screw conveyer B exports physics density adjuster increases, and improves phsyical density regulator content in emulsion, prepares the emulsion of extremely-low density.Density adjustable extent is at 0.2-0.4g/cm3, it is adaptable to presplit blasting and photoface exploision, the explosion at soft rock and extremely joint.
Function seven: pure emulsion, emulsifying base and sensitizing solution are linked pump, water ring infusion appliance, loading coil pipe, static mixer by plunger, prepare and export pure emulsion, exported by loading hose, distance more than 50 meters, it is adaptable to use when field mixed loading truck can not arrive near big gun hole, both water balance principles it had been suitable for, hard rock blasting, also is adapted for foundation explosion, bulk explosion.
The control system of the present invention includes automobile power transmission hydraulic oil cyclic control system, pump flow control system, material output control system, facility switching control system, Programmable Logic Controller, mixed proportion control system, electric potential control system, bulk explosive information processing system, bulk explosive monitoring system and control panel.Valve, table is controlled including the rotating speed control meter of electronic flow sensor, ammonium nitrate tachometer, emulsifying base pump, the revolution speed control meter of sensitizing solution, cleaning aqueous electron current meter, the spinner flowmeter of diesel oil, electrical proportional control valve, manual Material control valve etc.; discharging speed and the flow of each material be can accurately show and control, ratio and the quality of mixed explosive product guaranteed by accurate measurement;By the accurate control to pump, conveying worm, it is ensured that explosive is mixed with process and output procedure is stable, safe and reliable.
The above is some functions of blasting agent mixing vehicle of the present invention, and compared with prior art, it has preparation mode and range of application more widely, has the feature of one-machine-multi-function.
Accompanying drawing explanation
Fig. 1 show a kind of structural representation of the blasting agent mixing vehicle of the present invention.
Fig. 2 show the backward schematic diagram of bulk mixing truck shown in Fig. 1.
Fig. 3 show the dextrad schematic diagram of bulk mixing truck shown in Fig. 1.
Fig. 4 show the bowing to schematic diagram of bulk mixing truck shown in Fig. 1.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention will be further described.
As shown in Figure 1, Figure 2, Figure 3, Figure 4, for the structural representation of a kind of embodiment of the blasting agent mixing vehicle of the present invention.
Diagram blasting agent mixing vehicle includes:
Car body and automobile chassis 1, the automobile power transmission device 2 being connected with car deceleration device, automobile power transmission device 2 includes the hydraulic pump 19, hydraulic oil shunt, hydraulic pressure oil cooler pump 36, hydraulic oil filter and the hydraulic oil container 28 that are connected with automobile reduction gearbox, wherein the hydraulic oil that hydraulic pump produces is connected respectively to different hydraulic motors by hydraulic pressure shunt, to export power, the control element set of hydraulic circuit is arranged in HYDRAULIC CONTROL SYSTEM cabinet 31.
Feed bin part includes: feed bin 5, feed bin 6, feed bin 7 and feed bin 8, above can according to the needs of explosion physical condition in each feed bin, accommodating ammonium nitrate, phsyical density regulator, emulsifying base respectively, feed bin is provided with feed bin top cover 23, feed bin outer wall or inwall are provided with heat-insulation layer 29, it addition, feed bin part also includes sensitizing solution case, cleans water tank 11, diesel fuel tanks 4, diesel fuel tanks and tank lid 10.
Cleaning water tank 11 and the side of driver is provided with suspension rod 9, suspension rod 9 is driven by suspension rod hydraulic cylinder 15.
The cleaning water cleaned in water tank 11 is pumped by cleaning water plunger displacement pump 17.
Conveying mixing portion includes: principal screw conveyer 25 and principal screw conveyer 26, wherein principal screw conveyer 25, principal screw conveyer 26 are connected with bottom feed bin 5, feed bin 6, feed bin 7 and feed bin 8 respectively, junction is provided with baffle plate, baffle plate can adopt opened manually, it is also possible to controls to open by electric control system 39.
Principal screw conveyer 25 and principal screw conveyer 26 are set up in parallel, its port of export and inclined screw conveyor 13 and mix side conveying worm 14 and be sequentially connected, and wherein the front and back end of inclined screw conveyor 13 is respectively arranged with vertical section.After conveying worm 14 mixing of blended side, explosive is inputted big gun hole.
Principal screw conveyer 25 is driven by hydraulic motor 37, principal screw conveyer 26 is driven by hydraulic motor 38, inclined screw conveyor 13 is driven by hydraulic motor 12, mixing side conveying worm 14 is driven by hydraulic motor 16, loading coil pipe 3 is driven by hydraulic motor 27, each hydraulic motor is all connected with hydraulic pressure shunt input power, hydraulic oil shunt is connected with hydraulic pump, hydraulic pump is connected with drive link, drive link is connected with automobile power transmission device 2, automobile power transmission 2 is connected with automobile reduction gearbox, obtains power resources.
Wherein, the feed bin of accommodating emulsifying base arranges emulsifying base screw pump 34, sensitizing solution case is provided with sensitization liquid pump, emulsifying base screw pump 34 and sensitization liquid pump include two output pipes: lead up to pipeline and nozzle is connected to the entrance point of mixing side conveying worm 14, be connected with substrate inlet 20 and sensitizing solution inlet 21 respectively;One tunnel is directly connected with water ring infusion appliance, loading coil pipe 3, static mixer, and wherein sensitization liquid pump is by 24 volts of DC motor Driver.
Diesel fuel tanks 4 arranges diesel pump 18, and diesel pump 18 is connected with the diesel oil inlet 22 of the vertical section upper end of the port of export of inclined screw conveyor 13 by pipeline and nozzle, to export spray feed diesel oil and ammonium nitrate mixing.
For the ease of maintenance and operation, car body is provided with workbox 35 and guardrail 30 of walking on stage and walk on stage, the ladder 24 that the personnel that are provided for that walk on stage are upper and lower, also includes guard bar lifting cylinder 32 and pneumatic system 33.
Described emulsifying base is prepared through emulsifier by oxidizer salt aqueous solution and oil phase material, and described sensitizing solution is that chemical sensitizer forms with water mixed configuration.
Below in conjunction with the difference in functionality of blasting agent mixing vehicle of the present invention, the embodiment of the blasting agent mixing vehicle of the present invention is illustrated.
Function one: titania-mica
Feed bin 7 and/or feed bin 8 load emulsifying base, feed bin 5 and feed bin 6 load ammonium nitrate, wherein ammonium nitrate is exported by principal screw conveyer 25, and spray into diesel oil in the vertical section upper end of the port of export of inclined screw conveyor 13, emulsifying base is pumped by emulsifying base screw pump, spray in the vertical outlet section lower end of inclined screw conveyor 13 in company with sensitizing solution, after the mixing of blended side conveying worm 14, send into big gun hole through water ring infusion appliance, loading coil pipe 3.When dry hole and moist hole operation, big gun hole sent into by direct blended side conveying worm 14.
Adopting present embodiment, sensitizing solution adds before emulsifying base adds inclined screw conveyor 13.
Adopt present embodiment, by regulating the rotating speed of principal screw conveyer 25, it is possible to the titania-mica of the different emulsifying base content of preparation.
In titania-mica, the weight ratio of emulsifying base and porous particulated ammonium oil explosive is 10-49%, it is preferable that emulsifying base content (weight ratio) is 10%, and explosive is characterized as being protection against the tide;Emulsifying base content (weight ratio) is 30%, and explosive is characterized as being protection against the tide, and has certain water proofing property, it is adaptable to medium-hard rock explosion;Emulsifying base content (weight ratio) is 45%, and explosive is characterized as being possesses good water proofing property, it is adaptable in hard or in rock blasting firmly on the upper side.
Function two: the adjustable titania-mica of density
Feed bin 7 and/or feed bin 8 load emulsifying base, feed bin 5 and feed bin 6 load ammonium nitrate and phsyical density regulator respectively, with the titania-mica of function one the difference is that, in present embodiment, exported physics density adjuster by principal screw conveyer 26 simultaneously, and mix in inclined screw conveyor 13, then emulsifying base and sensitizing solution are sprayed into after first spraying into diesel oil, in present embodiment, can pass through to regulate the output speed of physics density adjuster, the corresponding density adjusting titania-mica.Wherein, the weight ratio of emulsifying base and sensitizing solution is preferably 100:1-3, and explosive is characterized as being protection against the tide, possesses certain water proofing property, it is adaptable in hard and following rock blasting, and the density of explosive according to different blast working environment, can be adjusted.
Function three: porous particulated ammonium oil explosive
One or more filling ammonium nitrates in feed bin 5, feed bin 6, feed bin 7, feed bin 8, and export via principal screw conveyer 25, and spray into diesel oil in the vertical section upper end of the port of export of inclined screw conveyor 13, send into big gun hole after the mixing of blended side conveying worm 14.
Wherein load the feed bin of emulsifying base, it is necessary to close emulsifying base outlet, the internally installed baffle plate of feed bin, guide ammonium nitrate to flow to principal screw conveyer 25.
Wherein ammonium nitrate is preferably 94.5:5.5 with the weight ratio of diesel oil.This explosive is applicable to dry hole explosion, Frozen-soil Blasting, bursting work without water cannon hole.
Function four: the adjustable porous particulated ammonium oil explosive of density
Feed bin 5, feed bin 6, feed bin 7 and feed bin 8 load ammonium nitrate and phsyical density regulator respectively, with the porous particulated ammonium oil explosive of function three the difference is that, in present embodiment, exported physics density adjuster by principal screw conveyer 26 simultaneously, and diesel oil is sprayed in the vertical section place of the port of export of inclined screw conveyor 13, send into big gun hole after the mixing of blended conveying worm 14.
In present embodiment, it is possible to by regulating the output speed of physics density adjuster, the corresponding density adjusting porous particulated ammonium oil explosive.
It should be noted that if phsyical density regulator output is excessive, the unstable properties of porous particulated ammonium oil explosive can be caused, the density range 0.5~0.9g/cm of ammonium nitrate-fuel oil mixture3, it is preferred with 0.7,0.8 and 0.9.
Function five: the adjustable heavy emulsion of density
Feed bin 7 and feed bin 8 load emulsifying base, feed bin 5 and 6 loads ammonium nitrate and phsyical density regulator respectively, wherein principal screw conveyer 25 exports ammonium nitrate, principal screw conveyer 26 exports physics density adjuster, vertical section at the port of export of inclined screw conveyor 13 sprays into diesel oil, emulsifying base is pumped by emulsifying base screw pump, spray at the entrance point of inclined screw conveyor 14 in company with sensitizing solution, after conveying worm 14 mixing of blended side, it is sent directly into big gun hole, the adjustable heavy emulsion of density prepared by present embodiment is applicable to the dry big gun hole of medium-hard rock or moist big gun hole.
The adjustable heavy emulsion of density prepared by present embodiment, its density is 0.6~1.2g/cm3, it is applicable to the explosion of different rock behavio(u)r.
Function six: the adjustable emulsion of density
Feed bin 7 and/or 8 loads emulsifying base, feed bin 5 and/or 6 loads physics density adjuster, emulsifying base is pumped by emulsifying base screw pump, inclined screw conveyor 13 is sprayed into sensitizing solution, phsyical density regulator is exported by principal screw conveyer 26, through being sent into big gun hole by loading coil pipe 3 after mixing side conveying worm 14 mixes with emulsifying base.
Utilizing the adjustable Density of Emulsion Explosive of density that present embodiment produces is 0.2-1.2g/cm3, in being applicable to more than the emulsion of 0.4 density, hard and soft rock explosion, is only applicable to presplit blasting or photoface exploision less than the emulsion of 0.4 density.
Function seven: pure emulsion
Feed bin feed bin 7 and feed bin 8 load emulsifying base, emulsifying base and sensitizing solution are pumped by emulsifying base plunger linkage pump, export emulsifying base powder column by water ring infusion appliance and enter loading coil pipe 3, emulsifying base powder column is wrapped with sensitizing solution water ring, the outlet of loading coil pipe 3 connects static mixer, emulsifying base powder column and sensitizing solution water ring mix through rapid static, send into big gun hole 15-20 and divide kind of sensitization to be explosive, the bursting work region explosion that applicable long-distance sand transport or explosive truck can not arrive.
Present embodiment produces conventional pure emulsion, but density adjustment is only limitted to chemical sensitization, range of accommodation 1.00-1.30g/cm3。