CN104764581A - Sand and dust storm simulation test device - Google Patents
Sand and dust storm simulation test device Download PDFInfo
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- CN104764581A CN104764581A CN201410009645.1A CN201410009645A CN104764581A CN 104764581 A CN104764581 A CN 104764581A CN 201410009645 A CN201410009645 A CN 201410009645A CN 104764581 A CN104764581 A CN 104764581A
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Abstract
The invention provides a sand and dust storm simulation test device comprising a box, a sand and dust working system, a storm circulating system, a refrigerating system, a heating system and an electrical control system. After the sand adding and dust adding operation, a high-speed conveying fan of the sand and dust working system is used to convey the sand and dust to the main fan air outlet of the storm circulating system. The sand and dust is blown into the working chamber through the main fan, and a tested piece fixed on a rotary working table in the working chamber is impacted with the sand and dust so as to detect the adaptability of the tested piece, and the dust can be recycled for cyclic utilization. The sand and dust storm simulation test device of the invention can be used to satisfy the military test standard to confirm the resistance of tested equipment for sand and dust besides common sand and dust testes. According to the invention, the blown sand and blown dust can be tested independently and separately.
Description
Technical field
The present invention relates to a kind of checkout equipment, especially the sudden and violent testing apparatus of a kind of simulation sand dust, belongs to checkout equipment device field.
Background technology
Just domestic to some product at present, can the product of especially military's use, reach the testing apparatus that the sudden and violent requirement of anti-sand dust there is no specification, even if having also only just to a certain item index, as sand is tested cruelly, do not have comprehensive testing equipment.In product category, especially military equipment, it defines again the technical standard of military equipment to dust and sand effect.Therefore the present invention is except general sand dust is tested cruelly, also must meet military testing standard, confirms that tested equipment is to the sudden and violent defensive ability/resistance ability of sand dust.
Summary of the invention
The technical problem to be solved in the present invention is to overcome the deficiencies in the prior art, provides a kind of simulation sand dust sudden and violent testing apparatus, can carry out the technical barrier of the sudden and violent integrated testability of sand dust to product, and reaches military standard test.
For solving the problems of the technologies described above, the present invention adopts the basic conception of technical scheme to be:
The sudden and violent testing apparatus of simulation sand dust, comprises casing, sand dust work system, the storm circulation system, refrigeration system, heating system and electric control system.
Sand dust work system, the storm circulation system, refrigeration system, heating system and electric control system are installed in casing.
The storm circulation system comprises centrifugal blower and main air duct, and the air outlet of centrifugal blower connects operating room's air inlet of sand dust work system.
Sand dust work system comprises operating room, reclaims room, some recycling bins, sand dust concentrate case, sand dust generator, high speed sediment transport dirt pipeline, high speed conveying fan.
Operating room comprises air inlet, air outlet and is arranged on the recovery port of its bottom, and inside working chamber is provided with worktable, and worktable is near air inlet; Reclaim the air inlet of room to be connected with the air outlet of operating room, reclaim top, room and be provided with air outlet, bottom is provided with recovery port, and reclaiming indoor location has sand and dust treatment device, and the air outlet reclaiming room connects the air inlet of centrifugal blower by main air duct; The air outlet reclaiming room connects the air inlet of high speed conveying fan; The air inlet of high speed conveying fan is connected to the air outlet reclaiming room.
Reclaim side, bottom, room and have outlet, outlet is connected with some recycling bins, and recycling bin comprises the recycling bin of the multi-layer connected successively, and the recycling bin of most subordinate connects sand dust and concentrates case, and sand dust concentrates case discharging opening to divide two-way to connect antiquated sand case and sand dust generator respectively; The discharging opening of sand dust generator is connected on high speed sediment transport dirt pipeline, and high speed sediment transport dirt pipeline one end connects high speed conveying fan air outlet, and the other end enters into the air outlet of centrifugal blower.
The recovery port of operating room connects conical collector by soft connection device, and conical collector connects sand dust and concentrates case.
Reclaim the recovery port of room and connect conical collector by soft connection device, conical collector connects the recycling bin of most subordinate.
Environment refrigeration system is electrically connected with electric control system, and environment refrigeration system comprises refrigeration fan and cool room, and the air inlet of refrigeration fan is connected with main air duct, and air outlet is connected with cool room one end, and the other end of cool room is connected with air main way.
Heating system is electrically connected with electric control system, and is placed in main air duct.
Further, the outer wall of main air duct is enclosed with attemperator.
Further, worktable is rotary table.
Further, operating room is provided with door, door is provided with transparent windows, and is provided with light fixture on view window.
Further, centrifugal fan air outlet place is provided with laminar flow fair water fin.
Further, the recycling bin of multi-layer is divided into second level recycling bin and third level recycling bin two-stage, and second level recycling bin is connected with the air outlet reclaiming blower fan with the interface channel of third level recycling bin, and the air inlet reclaiming blower fan connects the air outlet reclaiming room.
Further, recycling bin is cyclone centrifugal separation bucket.
Further, heating system comprises well heater, and well heater is fin type stainless steel electrothermal tube.
Further, concentrate in case be provided with sand dust oscillating deck at sand dust, two passages making sand dust concentrate case to connect antiquated sand case and sand dust generator are respectively selected one and are opened.
Further, the conical collector that the recovery port of operating room and recovery room connects all is provided with Vib..
After adopting technique scheme, the present invention compared with prior art has following beneficial effect.
The sudden and violent testing apparatus of the present invention's one simulation sand dust, independently carry out blast test and drifting dust test, utilize the centrifugal blower in the storm circulation system that the sand dust being delivered to centrifugal fan air outlet in sand dust work system is blown into operating room, measured piece on the rotary table utilizing sand dust to impact to be fixed in operating room, to detect the adaptive faculty of measured piece.
When independently carrying out blast test, sand blows to operating room through centrifugal blower, has sub-fraction sand after colliding with locular wall and measured piece, sinks to chamber bottom, this part sand enters conical collector through the recovery port of chamber bottom and sends into sand dust to be concentrated in case, is thrown in antiquated sand case.Most sand is still gone out to enter by the air outlet of operating room and is reclaimed room, enter the sand reclaiming room, separate from air stream through the sand of sand and dust treatment device by this part, wherein a part of sand is deposited to bottom pyramidal gatherer by the recovery port reclaiming bottom, room, bring out mouth by its cone and enter high speed conveyance conduit, and enter recycling bin, another part sand carries out sand separation after entering the recycling bin reclaiming the side exit connection of bottom, room, the sand separated enters high speed conveyance conduit, a stepping of going forward side by side enters lower level recycling bin, sand after being again separated enters into after sand dust concentrates case, two parts sand is all thrown in antiquated sand case.Sand single use, because sand test has granularity requirements, has wearing and tearing after recycling, therefore arranges in antiquated sand case after one-shot test.
When independently carrying out drifting dust test, dirt blows to operating room through centrifugal blower, has sub-fraction dirt through colliding with locular wall and measured piece after, sinks to chamber bottom, this partly dirt enter conical collector through the recovery port of chamber bottom and send into sand dust and concentrate in case.Most dirt is still gone out to enter by the air outlet of operating room and is reclaimed room, separate from air stream through the dirt of sand and dust treatment device by this part, wherein a part of dirt is deposited to bottom pyramidal gatherer by the recovery port reclaiming bottom, room, bring out mouth by its cone and enter high speed conveyance conduit, and enter recycling bin; Carry out dirt separation after the recycling bin of another part dirt through reclaiming bottom, room side exit and connecting, the dirt after separation enters high speed conveyance conduit, and a stepping of going forward side by side enters the recycling bin of lower level, and the dirt after being again separated enters into after sand dust concentrates case.Test with blast and can repetitive cycling use unlike, dirt.
Sand dust concentrates case to export a point two-way, and two-way outlet is separated by sand dust oscillating deck, and two passages that sand dust oscillating deck makes sand dust concentrate case to connect antiquated sand case and sand dust generator are respectively selected one and opened.Namely a road is opened, and another road is then closed, and object is that when doing dirt test, dirt can reuse.Namely in drifting dust test, sand dust oscillating deck makes sand dust concentrate case to connect the channel opener of sand dust generator, and dirt is from again entering the high speed sediment transport dirt pipeline sand dust work system after sand dust concentrates case to enter sand dust generator and being blown into operating room after being delivered to centrifugal fan air outlet by high speed conveying fan.
Meanwhile, because dirt quality is light, understand some dirt and enter main air blower from main air duct with the wind and enter operating room again, but dirt is not easy to produce wearing and tearing to fan blade; And test is less demanding to the granularity of dirt, so part dirt is also recycling.
Due to the impact of sand dust and the flow at high speed of air, device temperature is raised, the refrigeration system of therefore installing can be whole device cooling.Again because the compressor in refrigeration system can not frequent starting, therefore heating system is set.The present invention, except general simulation sand dust is tested cruelly, also can meet military testing standard, confirms that tested equipment is to the sudden and violent defensive ability/resistance ability of sand dust.
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1 is the principle schematic that the present invention simulates the sudden and violent testing apparatus of sand dust.
Fig. 2 is the structural representation that the present invention simulates the sudden and violent testing apparatus of sand dust.
1, main air blower.2, belt pulley.3, laminar flow fair water fin.4, pulpit.5, multichannel multiple spot sand dust exports.6, air channel one.7, operating room's door.8, rotary table.9, operating room.10, reclaim room.12, condenser.13, well heater.14, cold and hot room.15, main air duct.16, high speed sediment transport dirt pipeline.17, Vib..18, sand dust generator.20, sand dust oscillating deck.22, sand dust third level recycling bin.23, high speed conveying fan.24, antiquated sand case.25, sand dust concentrates case.26, sand dust second level recycling bin.27, trolley.28, air channel.29, reclaim blower fan.30, sand dust second level recycling bin air outlet interface.31, reclaim air inlet interface.32, soft connection device, 33, charging basket.
Embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples for illustration of the present invention, but are not used for limiting the scope of the invention.
As shown in Figure 1, 2, the present invention simulates the sudden and violent testing apparatus of sand dust, comprises casing, sand dust work system, the storm circulation system, refrigeration system, heating system and electric control system.
Sand dust work system, the storm circulation system, refrigeration system, heating system and electric control system are installed in casing.
The storm circulation system comprises centrifugal blower and main air duct, centrifugal blower drives work by motor by belt and belt pulley 2 as main air blower 1, its air outlet place is provided with laminar flow fair water fin 3, and the air-flow of main air blower 1 air outlet can be made close to the air stream being similar to laminar flow.In the present embodiment, centrifugal blower selects high-power blower, can produce the wind speed of maximum 30m/s in operating room.In order to be incubated, be enclosed with attemperator at the outer wall of main air duct.
Sand dust work system comprises operating room, reclaims room, some recycling bins, sand dust concentrate case, sand dust generator, high speed sediment transport dirt pipeline, high speed conveying fan.
Operating room 9 is arranged on the left side of main air blower 1, and operating room 9 comprises air inlet, air outlet and is arranged on the recovery port of its bottom.The recovery port of operating room connects conical collector by soft connection device, and conical collector connects sand dust and concentrates case.The air outlet of main air blower 1 connects the air inlet of operating room 9.
Inside, operating room 9 is provided with worktable, and worktable is rotary table 8, and rotary table 8 is near the air inlet of operating room.Operating room is provided with as operating room's door 7, operating room's door 7 is provided with transparent windows, and is provided with light fixture on view window, can observe the operating mode in operating room intuitively.
The air inlet reclaiming room 10 is connected with the air outlet of operating room 9, reclaim top, room 10 and be provided with air outlet, bottom is provided with recovery port, reclaim indoor location and have sand and dust treatment device, sand and dust treatment device top air outlet is connected with the air outlet reclaiming room 10, and the air outlet reclaiming room connects the air inlet of main air blower 1 by main air duct 15.
Reclaim side, bottom, room and have outlet, outlet is connected with some recycling bins, and recycling bin comprises the recycling bin of the multi-layer connected successively, and the recycling bin of most subordinate connects sand dust and concentrates case 25, and sand dust concentrates case 25 points of two-way to connect antiquated sand case 24 and sand dust generator 18 respectively.In the present embodiment, recycling bin is two levels altogether, i.e. sand dust second level recycling bin 26 and sand dust third level recycling bin 22.Recovery side, bottom, room is connected with below two sand dust second level recycling bins, 26, two sand dust second level recycling bins 26 and connects a sand dust third level recycling bin 22 respectively.The recovery port reclaiming room connects conical collector by soft connection device 32, and conical collector is back taper, and conical collector connects a sand dust third level recycling bin 22.Three sand dust third level recycling bins 22 all connect sand dust and concentrate case 25.
The recycling bin of multi-layer, strengthens the effect of separation.Recycling bin is cyclone centrifugal separation bucket.Sand dust second level recycling bin is connected with the air outlet reclaiming blower fan with the interface channel of sand dust third level recycling bin, and the air inlet reclaiming blower fan 29 connects the air outlet reclaiming room.Sand dust second level recycling bin connects the air outlet reclaiming room by pipeline.For the ease of connecting, main air duct being provided with sand dust second level recycling bin air outlet interface 30 and reclaiming air inlet interface 31.
The air outlet reclaiming room connects the air inlet of high speed conveying fan 23.
Sand dust concentrates case discharging opening to divide two-way to connect antiquated sand case and sand dust generator respectively;
The discharging opening of sand dust generator is connected on high speed sediment transport dirt pipeline, and high speed sediment transport dirt pipeline one end connects the air outlet of high speed conveying fan 23, and the other end enters into the air outlet of centrifugal blower.
This equipment independently carries out blast test and drifting dust test, utilize the centrifugal blower in the storm circulation system that the sand dust being delivered to centrifugal fan air outlet in sand dust work system is blown into operating room, measured piece on the rotary table utilizing sand dust to impact to be fixed in operating room, to detect the adaptive faculty of measured piece.Blast test is uniquely different with drifting dust test to be, namely sand one-shot reclaims after having tested, and dirt still capable of circulationly carries out impulse test impacting after single test completes.
Add sand for convenience and add dirt, this equipment also comprises external and adds the charging basket that sand adds dirt, and above the positive portion being placed in equipment, charging basket connects sand dust generator, and testing crew gets on the sand dust be equipped with to join in charging basket by ladder and goes.
When independently carrying out blast test, the sand be equipped with joins in charging basket by testing crew, sand in charging basket enters into 18 li, sand dust generator, by rotating the helical worm of sand dust generator 18, sand is delivered in high speed sediment transport dirt pipeline 16 and go, connect the air outlet of high speed conveying fan in the middle of high speed sediment transport dirt pipeline, this air outlet is equipped with filter webs, prevents large sand particle from entering into high speed conveying fan.The air inlet of high speed conveying fan connects the air outlet reclaiming room by air channel 28, make the air flow at high speed in high speed sediment transport dirt pipeline 16, sand is driven to enter into the multichannel multiple spot sand dust outlet 5 of air channel 1 setting that main air blower 1 air outlet place connects, be blown in operating room by main air blower 1, form blast state.
The principle of sand dust generator generation sand dust adopts helical feed principle, and helical worm is rotated by driven by motor, thus control sand dust back-out, drips in high speed sediment transport dirt pipeline.Regulate the rotating speed of motor and the adjustable speed sending sand dust, thus control sand-dust concentration.Due to dust concentration in the program that this equipment does and sand concentration difference too large, therefore prepared two cover motors and performed blast, drifting dust test respectively, independently can carry out variable frequency adjustment, with the speed regulating sand dust generator to send sand dust, thus regulate sand-dust concentration.
The wind produced as the centrifugal blower of main air blower 1 in the storm circulation system is through laminar flow fair water fin, produce the air stream being similar to laminar flow, thus the sand being transported to the air outlet of centrifugal blower by high speed sediment transport dirt pipeline 16 is become sand cruelly enter operating room, sand impact is carried out, to detect its adaptive faculty to measured piece fixing on rotary table in operating room.By the size of the adjustable wind speed of rotating speed of the dynamo-electric machine of regulating main air.
Sand, after main air blower 1 machine is blown into operating room 9, has sub-fraction sand after colliding with locular wall and measured piece, sinks to chamber bottom.The recovery port of chamber bottom connects conical collector by soft connection device, and conical collector is back taper, and conical collector connects sand dust and concentrates case.
In order to better collection, certain gradient can be utilized to fall to make sand dust, even if but chamber bottom is made constant slope sand dust also cannot be made to reclaim smoothly, make High angle then physical dimension do not allow.Therefore the recovery port of chamber bottom connects conical collector by soft connection device, conical collector is back taper, its wall is constant slope, and take this soft connection device of rubber bar to be connected with operating room, conical collector outer wall installs Vib., enable conical collector produce a certain amount of vibration, thus sand dust is focused on a place, concentrated in case to sand dust by Pipeline transport.The conical collector that operating room's recovery port connects is provided with Vib., and this soft connection device of rubber bar makes the Oscillation Amplitude of conical collector larger, vibration more freely, can make the recovery of sand dust more efficient.
So the sand that fraction sinks to chamber bottom is delivered to after sand dust concentrates case through conical collector and is thrown in antiquated sand case.
And most sand dust is still gone out to enter by the air outlet of operating room and reclaimed room 10, this part sand must be separated it from air stream, and its cool room can not getting back to main air blower 1 and refrigeration system through main air duct is gone.The sand grains meeting heavy wear environment refrigeration system of corner angle, some parts of heating system and the fan blade of main air blower is had, acceleration equipment loss because swiftly flowing.Solution is at recovery indoor location sand and dust treatment device, reclaim room as first order recycling bin, sand and dust treatment device is large diameter cylinder type casing, sand out enters afterwards from operating room and reclaims room 10, tangentially blown in sand and dust treatment device, by centrifugation, the sand being greater than air specific weight is settled out, make sand drop down onto the bottom of reclaiming room.
The bottom that the sand fallen is gathered in columnar recovery room rotates along inwall, more namely reclaims bottom, room side exit by the otch reclaimed bottom room and enter the sand dust second level recycling bin be attached thereto, and can have multiple otch, multiple secondary recovery bucket.In the present embodiment, reclaim side, bottom, room and have two otch, connect two sand dust second level recycling bins 26, sand after sand dust second level recycling bin is separated enters sand dust third level recycling bin 22 further by high speed conveyance conduit, and the sand after sand dust third level recycling bin is separated enters into sand dust again and concentrates case 25.Middle part bottom recovery room also has sub-fraction sand to heap, for ensureing to reclaim, being deposited to bottom pyramidal gatherer by reclaiming the recovery port of bottom, room, bringing out mouth by its cone and entering high speed conveyance conduit and enter to sand dust third level recycling bin again after being separated, then enter sand dust and concentrate case.Reclaim on the conical collector bottom room and Vib. is installed, the recovery of sand dust can be made more efficient.
Sand after separation enters into after sand dust concentrates case, is thrown into the antiquated sand case 24 be placed on trolley 27.Sand single use, because sand test has granularity requirements, has wearing and tearing after recycling, therefore arranges in antiquated sand case after one-shot test.
Like this, enter the sand reclaiming room and fall through sand and dust treatment device, and air moves to the air inlet of main air blower 1 by the air outlet reclaiming top, room through main air duct 15.And then blow out from the air outlet of main air blower 1, enter operating room from the air inlet of operating room, form the storm of circulation.
When independently carrying out drifting dust test, the dirt be equipped with joins in charging basket by testing crew, and the dirt in charging basket enters into 18 li, sand dust generator, by rotating the helical worm of sand dust generator 18, being delivered to by dirt in high speed sediment transport dirt pipeline 16 and going.The air inlet of high speed conveying fan is connected to the air outlet reclaiming room by air channel 28, make the air flow at high speed in high speed sediment transport dirt pipeline 16, drive dirt to enter into the multichannel multiple spot sand dust outlet at main air blower 1 air outlet place, be blown in operating room by main air blower 1, form drifting dust state.The outlet of multichannel multiple spot sand dust is arranged at laminar flow air deflector, to make sand dust amount even.
Dirt blows to operating room through main air blower 1, has sub-fraction dirt after colliding with locular wall and measured piece, sinks to chamber bottom, and this part dirt enters conical collector through the recovery port of chamber bottom and sends into sand dust to be concentrated in case.Most dirt is still gone out to enter by the air outlet of operating room and is reclaimed room, separates from air stream through the dirt of sand and dust treatment device by this part,
The bottom that the dirt fallen is gathered in columnar recovery room rotates along inwall, more namely reclaims bottom, room side exit by the otch reclaimed bottom room and enter the sand dust second level recycling bin 26 be attached thereto.Multiple otch can be had, multiple secondary recovery bucket.In the present embodiment, reclaim side, bottom, room and have two otch, connect two sand dust second level recycling bins 26, dirt after sand dust second level recycling bin is separated enters sand dust third level recycling bin 22 further by high speed conveyance conduit, and the dirt after sand dust third level recycling bin is separated enters into sand dust again and concentrates case 25.Middle part bottom recovery room also has sub-fraction dirt to heap, for ensureing to reclaim, being deposited to bottom pyramidal gatherer by reclaiming the recovery port of bottom, room, bringing out mouth by its cone and entering high speed conveyance conduit and enter sand dust third level recycling bin again after being separated, then enter sand dust and concentrate case.
Test with blast and can repetitive cycling use unlike, dirt.
Sand dust concentrates case to export a point two-way, and two-way outlet is separated by sand dust oscillating deck, and two passages that sand dust oscillating deck makes sand dust concentrate case to connect antiquated sand case and sand dust generator are respectively selected one and opened.Namely a road is opened, and another road is then closed, and object is that when doing dirt test, dirt can reuse.Namely in drifting dust test, sand dust oscillating deck makes sand dust concentrate case to connect the channel opener of sand dust generator, and dirt is from again entering the high speed sediment transport dirt pipeline sand dust work system after sand dust concentrates case to enter sand dust generator and being blown into operating room after being delivered to centrifugal fan air outlet by high speed conveying fan.
Meanwhile, because dirt quality is light, understand some dirt and enter main air blower from main air duct with the wind and enter operating room again, but dirt is not easy to produce wearing and tearing to fan blade; And test is less demanding to the granularity of dirt, so part dirt is also recycling.
Sand dust concentrates the two-way outlet mutual linking of case, and namely a road is opened, and another road is then closed, and object is that when doing dirt test, dirt can reuse to it.Therefore, the recovery of sand synchronously carries out in the program process doing sand test.After sand grains reclaims, generalized case no longer second time utilizes, and should discard.The recovery of dirt is carried out after drifting dust has been tested, and during recovery, the recovery with sand is the same, is concentrated case by dirt drain into antiquated sand case from sand dust.
Due to air stream iterative cycles in whole airtight air channel, air molecule is in self friction at a high speed and rub with wind path wall etc. and cause intensification.In addition, for ensureing that air is lower than the humidity requirement of 30%RH, need dehumidify to air stream, therefore, for ease of control temperature and humidity, must take refrigeration measure to air.
Environment refrigeration system is electrically connected with electric control system, and environment refrigeration system comprises refrigeration fan and cool room, and the air inlet of refrigeration fan is connected with main air duct, and air outlet is connected with cool room one end, and the other end of cool room is connected with air main way.Environment refrigeration system also comprises the devices such as compressor, condenser, evaporator, device for drying and filtering, solenoid valve, water tower.Water tower is installed on outdoor, and to be inputted in condenser 12 by water by water pipe and carry out cool cycles, evaporator is arranged in cool room, has osculum bottom cool room, by pipeline, condensate water is discharged in water storage cup, automatically drains into outdoor after shutdown.
Because the compressor in environment refrigeration system can not frequent starting, in order to ensure that temperature also must install heating system.Heating system is placed in main air duct and is electrically connected with electric control system, and electric control system is installed in pulpit 4.Heating system comprises well heater 13, and well heater is fin type stainless steel electrothermal tube.
Part in the main air duct that environment refrigeration system and heating system act on is called cold and hot room 14.
Temperature controls to adopt temperature controller precise control of temperature, adopts Pt-100 platinum sensor, by PID+SSR the synchronized Coordinative Control, makes temperature stabilization.
Owing to have employed environment refrigeration system and heating system, the test job temperature range of equipment controls at 20-70 DEG C, and temperature stability controls at ± 0.5 DEG C, and the uniformity coefficient of temperature is at ± 2 DEG C, and heating rate is greater than 1 DEG C/min.
When doing experiment, first humid control will be carried out, to dehumidify.Low speed opens main air blower, opening main air blower makes wind speed at about 5m/s, running environment refrigeration system, controls to reach required temperature, the evaporator of cool room can be discharged moisture condensation, and after certain hour (being less than half an hour), humidity will be less than 30%RH.The water droplet of condensation drops in bottom cool room, by osculum, pipeline, condensate water is discharged in water storage cup, and a normally closed solenoid valve is housed in water storage cup, and after shutting down, water drains into outdoor automatically.
The test job humid control scope of equipment is for being less than 30%RH, and blast velocity control scope is 1m/s-30m/s.
The silica sand of sand dust composition to be dioxide-containing silica be 97-99%.Drifting dust concentration is 10.6 ± 7g/m
3.Blast concentration is controlled is made as three shelves, is respectively 2.2g ± 0.5g/m
3, 1.1g ± 0.5g/m
3and 0.177g/m
3.
Adopt the time relay, therefore during the control of the work of equipment, precision is 1min.Rotating speed of table is 1r/min.
The present invention simulates the sudden and violent testing apparatus of sand dust except general simulation sand dust is tested cruelly, also can meet the regulation of military testing standard GJB150.12-86 standard, confirms that tested equipment is to the sudden and violent defensive ability/resistance ability of sand dust.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the technology of the present invention principle; can also make some improvement and modification, these improve and modification also should be considered as protection scope of the present invention.
Claims (10)
1. simulate the sudden and violent testing apparatus of sand dust, it is characterized in that: comprise casing, sand dust work system, the storm circulation system, refrigeration system, heating system and electric control system,
Sand dust work system, the storm circulation system, refrigeration system, heating system and electric control system are installed in casing,
The storm circulation system comprises centrifugal blower and main air duct, and the air outlet of centrifugal blower connects operating room's air inlet of sand dust work system,
Sand dust work system comprises operating room, reclaims room, some recycling bins, sand dust concentrate case, sand dust generator, high speed sediment transport dirt pipeline, high speed conveying fan,
Operating room comprises air inlet, air outlet and is arranged on the recovery port of its bottom, and inside working chamber is provided with worktable, and worktable is near air inlet;
Reclaim the air inlet of room to be connected with the air outlet of operating room, reclaim top, room and be provided with air outlet, bottom is provided with recovery port, and reclaiming indoor location has sand and dust treatment device, and the air outlet reclaiming room connects the air inlet of centrifugal blower by main air duct; The air outlet reclaiming room connects the air inlet of high speed conveying fan; The air inlet of high speed conveying fan is connected to the air outlet reclaiming room,
Reclaim side, bottom, room and have outlet, outlet is connected with some recycling bins, and recycling bin comprises the recycling bin of the multi-layer connected successively, and the recycling bin of most subordinate connects sand dust and concentrates case, and sand dust concentrates case discharging opening to divide two-way to connect antiquated sand case and sand dust generator respectively;
The discharging opening of sand dust generator is connected on high speed sediment transport dirt pipeline, and high speed sediment transport dirt pipeline one end connects high speed conveying fan air outlet, and the other end enters into the air outlet of centrifugal blower,
The recovery port of operating room connects conical collector by soft connection device, and conical collector connects sand dust and concentrates case;
Reclaim the recovery port of room and connect conical collector by soft connection device, conical collector connects the recycling bin of most subordinate;
Environment refrigeration system is electrically connected with electric control system, and environment refrigeration system comprises refrigeration fan and cool room, and the air inlet of refrigeration fan is connected with main air duct, and air outlet is connected with cool room one end, and the other end of cool room is connected with air main way;
Heating system is electrically connected with electric control system, and is placed in main air duct.
2. the sudden and violent testing apparatus of simulation sand dust according to claim 1, is characterized in that: the outer wall of main air duct is enclosed with attemperator.
3. the sudden and violent testing apparatus of simulation sand dust according to claim 1, is characterized in that: worktable is rotary table.
4. the sudden and violent testing apparatus of simulation sand dust according to claim 1, it is characterized in that: operating room is provided with door, door is provided with transparent windows, and is provided with light fixture on view window.
5. the sudden and violent testing apparatus of simulation sand dust according to claim 1, is characterized in that: centrifugal fan air outlet place is provided with laminar flow fair water fin.
6. the sudden and violent testing apparatus of simulation sand dust according to claim 1, it is characterized in that: the recycling bin of multi-layer is divided into second level recycling bin and third level recycling bin two-stage, second level recycling bin is connected with the air outlet reclaiming blower fan with the interface channel of third level recycling bin, and the air inlet reclaiming blower fan connects the air outlet reclaiming room.
7. according to claim
1the described sudden and violent testing apparatus of simulation sand dust, is characterized in that: recycling bin is cyclone centrifugal separation bucket.
8. the sudden and violent testing apparatus of simulation sand dust according to claim 1, is characterized in that: heating system comprises well heater, and well heater is fin type stainless steel electrothermal tube.
9. the sudden and violent testing apparatus of simulation sand dust according to any one of claim 1-8, is characterized in that: concentrate in case at sand dust and be provided with sand dust oscillating deck, and two passages making sand dust concentrate case to connect antiquated sand case and sand dust generator are respectively selected one and opened.
10. the sudden and violent testing apparatus of simulation sand dust according to claim 9, is characterized in that: the gatherer that operating room and the recovery port reclaiming room connect all is provided with Vib..
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410009645.1A CN104764581B (en) | 2014-01-07 | 2014-01-07 | Simulate the sudden and violent test equipment of sand dust |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410009645.1A CN104764581B (en) | 2014-01-07 | 2014-01-07 | Simulate the sudden and violent test equipment of sand dust |
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| Publication Number | Publication Date |
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| CN104764581A true CN104764581A (en) | 2015-07-08 |
| CN104764581B CN104764581B (en) | 2017-08-11 |
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| CN201410009645.1A Expired - Fee Related CN104764581B (en) | 2014-01-07 | 2014-01-07 | Simulate the sudden and violent test equipment of sand dust |
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| CN109186926A (en) * | 2018-11-19 | 2019-01-11 | 温州大学瓯江学院 | A kind of wind-tunnel for simulating sandstorm |
| CN114733584A (en) * | 2022-05-09 | 2022-07-12 | 西安交通大学 | Extreme climate simulation experiment device and method for high-voltage switch operating mechanism |
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| CN109186926A (en) * | 2018-11-19 | 2019-01-11 | 温州大学瓯江学院 | A kind of wind-tunnel for simulating sandstorm |
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| CN114733584A (en) * | 2022-05-09 | 2022-07-12 | 西安交通大学 | Extreme climate simulation experiment device and method for high-voltage switch operating mechanism |
Also Published As
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|---|---|
| CN104764581B (en) | 2017-08-11 |
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