CN102252819A - All-weather driving and parking type sand-blowing and dust-blowing environmental testing system - Google Patents
All-weather driving and parking type sand-blowing and dust-blowing environmental testing system Download PDFInfo
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- CN102252819A CN102252819A CN 201110086914 CN201110086914A CN102252819A CN 102252819 A CN102252819 A CN 102252819A CN 201110086914 CN201110086914 CN 201110086914 CN 201110086914 A CN201110086914 A CN 201110086914A CN 102252819 A CN102252819 A CN 102252819A
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Abstract
The invention discloses an all-weather driving and parking type sand-blowing and dust-blowing environmental testing system which comprises an air passage, a driving and parking type testing cabin body, an airflow regulating window, a sand and dust clearing system, a cyclone separation device, a centrifugal power fan, an expansion machine, an electric heater and a connecting channel. The centrifugal power fan is used for extracting air from an outlet of the cyclone separation device and providing power for enabling the air to flow in the air passage. The separation device is formed by two-two parallel connection of cyclone separators, the separation effect is good and the energy consumption is low. Sand and dust are sprayed into the air passage from a spout of a contraction section, thereby forming uniform airflow for entering into the testing cabin body. The expansion machine and the electric heater are used for regulating an environment in a cabin through the airflow regulating window at the top of the cabin, thereby realizing continuous stable simulation under environmental conditions of high temperature in summer and low temperature in winter. The sand and dust clearing system can timely discharge the sand/dust accumulated at the bottom of the cabin during the testing process. A large electromechanical device can directly drive into and drive out of the testing cabin body. The all-weather driving and parking type sand-blowing and dust-blowing environmental testing system can be used for sand-blowing and dust-blowing environmental testing of armored cars, artilleries, tanks and other large military equipment under all-weather conditions.
Description
Technical field
The present invention relates to a kind of apparatus system that can in sailing warehouse, carry out round-the-clock blast and two kinds of environmental tests of drifting dust in the formula, the sand-dust blowing environment test that can be used for large-scale military hardwares such as panzer, cannon, tank also can be used for the sand-dust blowing environment test of large-scale civil equipment such as automobile, electrical equipment.
Background technology
The sand-dust blowing test simulation is realized the sand dust environment of parameter conditions such as satisfied temperature, humidity, sand-dust concentration, pressure, wind speed, is used to check large-scale military hardware and environmental suitability and the environmental reliabilities of large-scale civil equipment such as automobile, electrical equipment under blast and drifting dust condition such as panzer, cannon, tank.
At present, blast and drifting dust testing requirements guarantee that blast test sand grains (150～850 μ m) is with the collision of the speed in 18～29m/s scope test specimen, drifting dust test airborne dust (particle diameter≤150 μ m) is with the collision of the speed in 1.5～8.9m/s scope test specimen, wind speed is big, the concentration height is to having relatively high expectations of equipment such as blower fan, surface cooler, well heater, sand/dust separating device, valve.Existing sand-dust blowing test medium sand dust separating device, system complex, the cost height, the sand dust separation efficiency is low; Circulation air path includes sand/dust concentration height, easily cause well heater and surface cooler to produce laying dust, thereby seriously reduce the precision of interior temperature (20～70 ℃) of these experimental bin body and humidity (RH≤30) regulating and controlling mechanism, cause interior sand dust environment of test cabin and actual required test condition deviation very big, influence the accuracy of test findings.The built-in blower fan of sand-dust blowing test configurations separate unit drive motor, the blower fan wearing and tearing are big, and the pressure head of blower fan and energy consumption increase, and day-to-day operation is difficult in maintenance, influences work efficiency.There is long-pending sand/dirt in the process of the test at the bottom of the storehouse, can not in time discharges the testing position body.In addition, the well heater of existing blast and drifting dust test and the surface cooler continuous reliability service that can not satisfy summer high temperature and winter low temperature environment.
Summary of the invention
The objective of the invention is to solve segregation section sand dust separation efficiency is low in the existing sand-dust blowing pilot system, the wearing and tearing of power section main air blower are big and experimental bin body in warm and humid control accuracy high-technology defective not.The invention discloses a kind of round-the-clock system of sand-dust blowing environment test in the formula of sailing, tripping device is simple in structure; The regulating and controlling mechanism of outdoor mounted can effectively improve test conditions such as the speed, concentration, temperature, humidity of sand dust in the experimental bin body, altitude simulation reality sand dust environment; It is little that equipment is subjected to the influence of sand dust in the system, energy reliability service continuously steady in a long-term, and energy consumption is low, and test mass is good.
Technical scheme of the present invention is by the air channel, sails experimental bin body in the formula, gas flow modulation window, sand dust cleaning system, cyclone separator, centrifugal power blower fan, decompressor, electric heater and interface channel and constitute, and passage is provided with the valve that is used for controlled wind speed, flow, pressure.Two centrifugal power blower fans are directly bled from the cyclone separator outlet, for circulating, air provides power in the air channel, the sand dust material sprays into the air channel contraction section from spout, form uniform air flow and enter experimental bin body, the bypass air-valve that the warm and humid regulating and controlling mechanism that the sand dust environment in the experimental bin body is made of outdoor decompressor and electric heater is regulated warm and humid and the first little blower fan carries out the pressure adjusting.
Pilot system major advantage of the present invention is:
1) power section has been cancelled single built-in main air blower scheme, main air blower adopts two centrifugal power blower fans, and the drive motor of blower fan places outside the wind-tunnel, adopts major axis to drive, major axis is by the right alignment of bearing assurance with the blower fan rotation center, and the blower fan day-to-day operation is easy to maintenance;
Two centrifugal power blower fans are directly bled from the outlet of segregation section cyclone separator, reduce main air blower energy consumption and loss in head;
2) blast and drifting dust spout are arranged on contraction section, and sand/dirt has formed uniform air flow before entering warehouse, have improved sand dust environment in the test cabin, have improved test effect;
3) segregation section adopts four tornado dust collector parallel connections to carry out the sand dust separation, has not only improved the separation efficiency of traditional tripping device, reduced energy consumption, and equipment is simple, and cost is low;
4) environment conditioning mechanism has removed the surface cooler in the existing system in the test cabin, adopts decompressor, electric heater and top, storehouse gas flow modulation window to carry out warm and humid adjusting; Adopting little blower fan bypass air-valve to carry out pressure regulates.Not only reduce the laying dust of equipment, improved control accuracy, and reduced the consumption of the energy in the test, can be implemented in the continous-stable simulation of summer high temperature and winter low temperature environment simultaneously;
5) sand dust cleaning system can in time discharge storehouse prodelta clay sand/dirt that sand dust forms because of the impact test test specimen in the process of the test.
Description of drawings
Fig. 1 is the cut-open view of drifting dust blast pilot system of the present invention.
Fig. 2 is the annexation synoptic diagram of drifting dust blast pilot system of the present invention.
Fig. 3 is the annexation synoptic diagram that sand dust of the present invention is cleared up system
Fig. 4 is top, a storehouse of the present invention gas flow modulation window synoptic diagram.
Fig. 5 is that the present invention sails the cut-open view of experimental bin body in the formula.
Fig. 6 is the parallel way synoptic diagram of cyclone separator of the present invention.
Drawing reference numeral:
1. air channel 101. experimental bin body 102. segregation sections
103. 105. second round corner sections, power section 104. first round corner sections, 106. stable sections
107. contraction section 108. power flow deflectors 109. first flow deflectors 110. second flow deflectors
111. sand dust transfer passage 112. warm and humid gas flow modulation passages
113. 114. second exhaust passages, first exhaust passage
115. 118. envelopes of gas flow modulation window 116. view windows, 117. illuminating lamps
131. first cyclone separator, 132. second cyclone separators
133.1 number sand dust reclaims hopper
134. No. 135.1 cyclone separator inlet channels of first discharging channel
141. the 3rd cyclone separator 142. the 4th cyclone separator
143.2 number sand dust reclaims hopper 144. second discharging channels
145.2 number cyclone separator inlet channel 2. first little blower fans
201. No. 202.1 air-valves of bleeding of the first little blower fan drive motor
No. 205.2 bleed-off passages of No. 204.1 bleed-off passages of air-valve 203.2 number bleed
206. No. 207.1 little blower fan bypass channel 208. bypass air-valves of heat tunnel
209. pressure signal transmission line 3. second little blower fans
301. the 5th cyclone separator 302. anterior sand dust cleaning passages
303. rear portion sand dust cleaning passage 304. the 5th cyclone separator inlet channel
305. the 5th cyclone separator discharging channel 306. the 5th cyclone separator exhaust passage
4. pneumatic plant 401. compressor air inlet machine passages
402. decompressor inlet channel 403. blast passages 404. drifting dust passages
405. No. 406.1 rotary valves of decompressor air inlet air-valve
407.2 number rotary valve 408. blast mixers 409. drifting dust mixers
5. decompressor 501. decompressor exhaust passages 6. electric heaters
601. warm and humid operation circuit 602. controllers
7. thermometer 8. tensimeters 9. humidometers
11. spout 12. rectification barriers 13. first cyclone separators
14. second cyclone separator, 15. first centrifugal power blower fans, 16. second centrifugal power blower fans
17. the first centrifugal power blower fan drive motor, 18. second drive motor of centrifugal fan, 19. test test specimens
Embodiment
Describe embodiments of the invention in detail below in conjunction with accompanying drawing.
As Fig. 1, Fig. 2, shown in Figure 3, pilot system according to an embodiment of the invention comprises experimental bin body 101, segregation section 102, power section 103, first round corner section 104, second round corner section 105, stable section 106, contraction section 107; The warehouse top stream is regulated window (115) and is connected with warm and humid gas flow modulation passage (112), bottom and the conducting of sand dust cleaning passage (302,303).
As shown in Figure 1, in the power section 103 of present embodiment, two centrifugal power blower fans 15 and 16 are arranged.The drive motor 17 of the first centrifugal power blower fan 15 and the drive motor 18 of the second centrifugal power blower fan 16 all are positioned at the wind-tunnel outside, drive by major axis, and major axis is by the right alignment of bearing assurance with the blower fan rotation center.
As shown in Figure 1, the spout 11 in the contraction section 107 of present embodiment links to each other with an end of sand dust transfer passage 111, and the other end of transfer passage 111 is connected with drifting dust mixer 409 with blast mixer 408.
As shown in Figure 1, two driven fans 15 and 16 are directly bled from the cyclone separator outlet in the present embodiment, driving air circulates in air channel 1, drive motor 17 by controlling two centrifugal power blower fans 15 and 16 and 18 rotating speed, can realize that blast (particle diameter is 150～850 μ m) wind speed is 18～29m/s in the test cabin, drifting dust (particle diameter≤150 μ m) wind speed is 1.5～8.9m/s.One group of flow deflector 108～110 is respectively established at position, turning 103～105 in the air channel, to reduce duct resistance, prevents that air-flow from separation taking place vortex occurs; Flow straightening grid 12 is set to improve air-flow degree of uniformity in the experimental bin body at steady flow segment, improves flow quality.
As shown in Figure 2, first cyclone separator 13 and second cyclone separator 14 are arranged in the segregation section 102 of present embodiment, parallel way as shown in Figure 6.First cyclone separator 13 comprises the cyclone separator 131,132 of two parallel connections, its shared inlet channel 135, and shared No. 1 sand dust reclaims hopper 133, reclaims the hopper lattice; The second whirlwind sand dust tripping device 14 comprises the cyclone separator 141,142 of two parallel connections, its shared inlet channel 145, and shared No. 2 sand dusts reclaim hopper 143, reclaim the hopper lattice;
As shown in Figure 2, in the present embodiment, the Dual-Phrase Distribution of Gas olid of flowing out from experimental bin body 101 enters two cyclone separators 13 and 14 and carries out gas solid separation, and most of solid sand dust passes through discharging channel 134 and 144 respectively to the sand dust recovery bin; Gas is divided into two, and one is not connected with 16 with two centrifugal power blower fans 15 with 114 through exhaust passage 113, and another enters two bleed-off passages 204 and 205 of the first little blower fan 2.
As shown in Figure 2, the first little blower fan 2 is bled electric heater 6 heating of air-flow on air heat passage 206 through No. 1 bleed-off passage air-valve 202 and No. 2 bleed-off passages air-valve 202 of bleeding for 205, No. 2 of bleeding for 204, No. 1 from two sand/dust separating devices 13 and 14 respectively in the present embodiment; Pneumatic plant 4 inlet channels 401 are bled from outside atmosphere, and branch enters decompressor 5 cooling of expanding through decompressor air inlet air-valve 405 and decompressor inlet channel 402; Clammy air mixed on hot-air on the heat tunnel and the decompressor exhaust passage 501 enters through warm and humid gas flow modulation passage 112, gas flow modulation window 115 and regulates temperature and humidity in the experimental bin body 101, make the interior temperature of warehouse keep-20～70 ℃, relative humidity RH≤30.When environment in the storehouse did not satisfy test condition, thermometer 7, the humidometer of installing in the warehouse 9 recorded the temperature and humidity signal feedback and gives controller 602, and controller 602 is regulated by 601 pairs of electric heaters 6 of warm and humid operation circuit; Another is a bypass channel 207, controls the aperture of exhaust valve 208 by the pressure signal of tensimeter 8 feedbacks, thereby reaches the purpose of regulating the pressure in the experimental bin body.
As shown in Figure 2, pneumatic plant 4 inlet channels 401 are bled from outside atmosphere in the present embodiment, are divided into three branches: blast passage 403, drifting dust passage 404 and decompressor inlet channel 402; Blast passage 403 is provided with No. 1 rotary valve 406 and blast mixer 408; Drifting dust passage 404 is provided with No. 2 rotary valves 407 and drifting dust mixer 409; The Dual-Phrase Distribution of Gas olid of blast mixer 408 and drifting dust mixer 409 outlets is through sand/dirt transfer passage 111, sprayed into by the sand dust spout 11 of contraction section, during the drifting dust test, closes rotary valve 406 No. 1, closes No. 2 rotary valve 407 during the blast test; The concentration of sand/dirt is controlled to sand material mouth with to the flow of dirt material mouth by control.
As shown in Figure 3, according to one embodiment of present invention in, sand dust cleaning system is used for storehouse prodelta clay sand/dirt that clearness test process sand dust forms because of the impact test test specimen.This system is made up of the second little blower fan 3, the 5th cyclone separator 301.The second little blower fan 3 is bled from anterior sand dust cleaning passage 302 and rear portion sand dust cleaning passage 303, enter in the 5th cyclone separator 301 through inlet channel 304 gas solid separation takes place, air through the exhaust passage 306 to outside atmosphere, sand dust through discharging channel 305 to the sand dust recovery bin.
As Fig. 4, shown in Figure 5, in according to one embodiment of present invention, sail warehouse and adopt the corner cut rectangle in the formula, reinforced concrete structure, the warehouse top is provided with gas flow modulation window 115, and sidewall is provided with view window 116, corner cut location arrangements illuminating lamp 117, after main equipment sailed experimental bin body into, door envelope 118 was closed.
The invention discloses a kind of round-the-clock pilot system of sand-dust blowing in the formula of sailing, comprise the air channel, sail experimental bin body, gas flow modulation window, sand dust cleaning system, cyclone separator, centrifugal power blower fan, decompressor, electric heater and interface channel in the formula.Centrifugal blower is bled from the cyclone separator outlet, provides power for air flows in the air channel.Tripping device is connected in parallel in twos by cyclone separator and forms, good separating effect, and energy consumption is low.Decompressor and electric heater are regulated environment in the storehouse by top, storehouse gas flow modulation window, can realize the continous-stable simulation of summer high temperature and winter low temperature environmental baseline.Sand dust cleaning system is storehouse prodelta clay sand/dirt in the clearness test process in time.The present invention can be used for the sand-dust blowing environment test of large-scale military hardwares such as all-weather condition bottom plating car, cannon, tank.
Claims (9)
1. round-the-clock pilot system of sand-dust blowing in the formula of sailing is characterized in that comprising:
Experimental bin body (101);
Segregation section (102);
Power section (103);
Stable section (106);
Contraction section (107).
2. according to the round-the-clock pilot system of sand-dust blowing in the formula of sailing of claim 1, it is characterized in that described power section (103) comprising:
Centrifugal power blower fan (15,16);
Be arranged on the cyclone separator (13,14) between described experimental bin body (101) and the described centrifugal power blower fan (15,16), be used for gas solid separation is carried out in the Dual-Phrase Distribution of Gas olid of flowing out from experimental bin body (101).
3. according to the round-the-clock pilot system of sand-dust blowing in the formula of sailing of claim 2, it is characterized in that:
Centrifugal power blower fan (15,16) comprising:
The first centrifugal power blower fan (15) and the second centrifugal power blower fan (16) in parallel;
First cyclone separator (13) that links to each other with the first centrifugal power blower fan (15);
Second cyclone separator (14) that links to each other with the second centrifugal power blower fan (16).
4. according to the round-the-clock pilot system of sand-dust blowing in the formula of sailing of claim 3, it is characterized in that further comprising:
Drive first drive motor (17) of the described first centrifugal power blower fan (15);
Drive second drive motor (18) of the described second centrifugal power blower fan (16);
Wherein, first drive motor (17) and second drive motor (18) all are positioned at the wind-tunnel outside.
5. according to the round-the-clock pilot system of sand-dust blowing in the formula of sailing of claim 4, it is characterized in that
First drive motor (17) and second drive motor (18) drive by major axis, and described major axis is by the right alignment of bearing assurance with the blower fan rotation center.
6. according to the round-the-clock pilot system of sand-dust blowing in the formula of sailing of claim 1, it is characterized in that further comprising:
First round corner section 104;
Second round corner section 105.
7. according to the round-the-clock pilot system of sand-dust blowing in the formula of sailing of claim 4, it is characterized in that
The top of described experimental bin body (101) has the gas flow modulation window (115) that is connected with a warm and humid gas flow modulation passage (112), the bottom of described experimental bin body (101) and the conducting of sand dust cleaning passage (302,303).
8. according to claim 3,4, one of 7 the round-the-clock pilot system of sand-dust blowing in the formula of sailing, it is characterized in that:
First cyclone separator (13) comprises first pair of cyclone separator (131,132) of first pair of parallel connection, these first pair of cyclone separator (131,132) shared one first inlet channels (135) and one first sand dust reclaim hopper (133), reclaim the hopper lattice;
Second cyclone separator (14) comprises second pair of cyclone separator (141,142) in parallel, and these second pair of cyclone separator (141,142) shared one second inlet channels (145) and one second sand dust reclaim hopper (143),
Wherein said first sand dust reclaims hopper (133) lattice, and described second sand dust reclaims hopper (143) lattice,
Thereby make the Dual-Phrase Distribution of Gas olid of flowing out from experimental bin body (101) enter first cyclone separator (13) and second cyclone separator (14) carries out gas solid separation, most of solid sand dust reclaims first discharging channel (134) of hopper (133) below and is arranged on second discharging channel (144) quilt that second sand dust reclaims below the hopper (143) and drained into the sand dust recovery bin through being arranged on first sand dust respectively.
9. the round-the-clock pilot system of sand-dust blowing in the formula of sailing according to Claim 8 is characterized in that further comprising:
The first little blower fan (2),
Wherein
The gas of first cyclone separator (13) output is divided into two, and wherein first exhaust passage (113) through first cyclone separator (13) downstream enters the first centrifugal power blower fan (15), and another enters the first little blower fan (2),
The gas of second cyclone separator (14) output is divided into two, and wherein second exhaust passage (114) through second cyclone separator (14) downstream enters the second centrifugal power blower fan (16), and another enters the first little blower fan (2).10, according to the round-the-clock pilot system of sand-dust blowing in the formula of sailing of claim 9, it is characterized in that
The described first little blower fan (2), gas flow modulation window (115), pneumatic plant (4), decompressor (5), electric heater (6), controller (602) form the warm and humid regulating and controlling mechanism of closed loop,
The first little blower fan (2) is bled from two cyclone separators (13,14) through No. 1 bleed-off passage (204), No. 1 air-valve of bleeding (202) and No. 2 bleed-off passages (205), No. 2 air-valves of bleeding (203), electric heater (6) heating of air-flow on heat tunnel (206);
Pneumatic plant (4) is bled from outside atmosphere through inlet channel (401), and a branch enters decompressor (5) expansion cooling through decompressor air inlet air-valve (405), decompressor inlet channel (402);
The first little blower fan (2) is provided with bypass channel (207), is used to keep the stable and surge bunker inside and outside air pressure balance of storehouse internal gas pressure;
The second little blower fan (3) is bled from anterior sand dust cleaning passage (302) and rear portion sand dust cleaning passage (303), enter the 5th cyclone separator (301) through inlet channel (304) and carry out gas solid separation, air through the exhaust passage (306) to outside atmosphere, sand dust through discharging channel (305) to the sand dust recovery bin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110086914 CN102252819B (en) | 2011-04-07 | 2011-04-07 | All-weather driving and parking type sand-blowing and dust-blowing environmental testing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110086914 CN102252819B (en) | 2011-04-07 | 2011-04-07 | All-weather driving and parking type sand-blowing and dust-blowing environmental testing system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102252819A true CN102252819A (en) | 2011-11-23 |
| CN102252819B CN102252819B (en) | 2013-01-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110086914 Expired - Fee Related CN102252819B (en) | 2011-04-07 | 2011-04-07 | All-weather driving and parking type sand-blowing and dust-blowing environmental testing system |
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| Country | Link |
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| CN (1) | CN102252819B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104764581A (en) * | 2014-01-07 | 2015-07-08 | 宁波市奔阳大成试验设备有限公司 | Sand and dust storm simulation test device |
| CN108827590A (en) * | 2018-08-29 | 2018-11-16 | 中国环境科学研究院 | A kind of wind speed based on two-sided cavity, pressure, temperature calibration system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0815103A (en) * | 1994-06-24 | 1996-01-19 | Fuji Photo Film Co Ltd | Method and apparatus for sand-falling test |
| CN1621797A (en) * | 2005-01-07 | 2005-06-01 | 北京航空航天大学 | Sand/dust blowing environmental test equipment system |
| CN201075100Y (en) * | 2007-07-29 | 2008-06-18 | 朱建忠 | Program controlled analog sand-dust test device |
-
2011
- 2011-04-07 CN CN 201110086914 patent/CN102252819B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0815103A (en) * | 1994-06-24 | 1996-01-19 | Fuji Photo Film Co Ltd | Method and apparatus for sand-falling test |
| CN1621797A (en) * | 2005-01-07 | 2005-06-01 | 北京航空航天大学 | Sand/dust blowing environmental test equipment system |
| CN201075100Y (en) * | 2007-07-29 | 2008-06-18 | 朱建忠 | Program controlled analog sand-dust test device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104764581A (en) * | 2014-01-07 | 2015-07-08 | 宁波市奔阳大成试验设备有限公司 | Sand and dust storm simulation test device |
| CN104764581B (en) * | 2014-01-07 | 2017-08-11 | 宁波市奔阳大成试验设备有限公司 | Simulate the sudden and violent test equipment of sand dust |
| CN108827590A (en) * | 2018-08-29 | 2018-11-16 | 中国环境科学研究院 | A kind of wind speed based on two-sided cavity, pressure, temperature calibration system |
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| Publication number | Publication date |
|---|---|
| CN102252819B (en) | 2013-01-02 |
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Granted publication date: 20130102 Termination date: 20140407 |