CN107653831B - High hygroscopicity powder sprays formula car that disappears - Google Patents

High hygroscopicity powder sprays formula car that disappears Download PDF

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Publication number
CN107653831B
CN107653831B CN201710666082.7A CN201710666082A CN107653831B CN 107653831 B CN107653831 B CN 107653831B CN 201710666082 A CN201710666082 A CN 201710666082A CN 107653831 B CN107653831 B CN 107653831B
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powder
spraying
tank
turbine
conveying pipeline
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CN107653831A (en
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吴燕
张潇
李朝宇
王玮
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Tianjin University of Science and Technology
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Tianjin University of Science and Technology
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    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01HSTREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
    • E01H13/00Dispersing or preventing fog in general, e.g. on roads, on airfields

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  • Life Sciences & Earth Sciences (AREA)
  • Atmospheric Sciences (AREA)
  • Engineering & Computer Science (AREA)
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  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
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  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

A high-hygroscopicity powder jet type fog dispersal vehicle comprises a vehicle body, a powder storage device, a pneumatic powder conveying system and a turbine powder spraying system; the powder storage device comprises at least one powder storage tank, and a powder outlet interface and an air inlet interface are respectively arranged on the tank cover and the tank body; the pneumatic powder conveying system comprises an air compressor and a powder conveying pipeline, wherein the output end of the air compressor is connected with the air inlet interface through the gas conveying pipeline, and one end of the powder conveying pipeline is connected with the powder outlet interface; the turbine powder spraying system comprises a turbine jet engine, an injection spray pipe, a powder spraying gun and a turntable type bracket; the turntable type support is connected with the vehicle chassis in a 360-degree transposition mode, the spraying end of the turbojet engine is communicated with the rear end of the injection spraying pipe, the other end of the turbojet engine is connected with the upper end of the turntable type support, and a telescopic cylinder is connected between the turntable type support and the turbojet engine; the output end and the input end of the powder gun are respectively positioned in the injection spray pipe and outside the injection spray pipe, and the input end of the powder gun is connected with the other end of the powder conveying pipeline. The fog dispersal vehicle realizes long-distance and large-range fog dispersal.

Description

High hygroscopicity powder sprays formula car that disappears
Technical Field
The invention belongs to the technical field of fog dispersal devices, and particularly relates to a high-hygroscopicity powder jet type fog dispersal vehicle.
Background
Fog is a disastrous weather phenomenon that water vapor in a near stratum is condensed into water drops or ice crystals to enable horizontal visibility to be less than kilometers, and fog above 0 ℃ is called warm fog. The fog has negative effects on aviation, traffic and the like. Artificial fog dispersal refers to a method of eliminating droplets of fog in a localized area by way of artificial influence to improve visibility. At present, the technology of manual warm fog dissipation is not mature enough, three feasible technical methods of a heating evaporation method, a moisture absorbent scattering method and a manual disturbance mixing method are mainly adopted, expensive equipment needs to be purchased in the heating evaporation method and the manual disturbance mixing method, and the capital investment is huge. The method of spreading the moisture absorbent requires a large amount of moisture absorbent to be spread in the mist, which not only causes serious damage to the environment but also causes corrosion to metal members in the spreading area. The above methods have limited applications due to their respective disadvantages.
In addition to the three common methods for eliminating warm fog, high-temperature and high-speed airflow can be adopted to realize fog elimination. The specific realization mode is as follows: the high-temperature high-speed airflow with huge energy generated by the turbojet during working is utilized to destroy the stratosphere-nearing temperature inversion layer so as to achieve the aim of fog dissipation. The fog dispersal mode can realize large-range and long-distance fog dispersal, but has the defects of high cost, low efficiency and the like. Therefore, it is necessary to develop an economical and efficient fog dispersal method or equipment.
Disclosure of Invention
The invention provides a high-hygroscopicity powder jet type fog dispersal vehicle which has high fog dispersal speed and high fog dispersal efficiency and can realize long-distance and large-range fog dispersal to solve the technical problems in the prior art.
The technical scheme adopted by the invention for solving the technical problems in the prior art is as follows:
the utility model provides a high hygroscopicity powder sprays formula fog dispersal car which characterized in that: comprises a vehicle body, a powder storage device, a pneumatic powder conveying system and a turbine powder spraying system; the powder storage device, the pneumatic powder conveying system and the turbine powder spraying system are all arranged on a vehicle chassis behind a cab of the vehicle body;
the powder storage device comprises at least one powder storage tank, the powder storage tank consists of a tank body and a tank cover, and the tank cover is detachably and hermetically connected with the upper end of the tank body; the powder outlet interface and the air inlet interface are respectively arranged on the tank cover and the tank body;
the pneumatic powder conveying system comprises an air compressor and a powder conveying pipeline, the output end of the air compressor is connected with an air inlet interface on the tank body through the gas conveying pipeline, a check valve is arranged on the gas conveying pipeline, and one end of the powder conveying pipeline is connected with a powder outlet interface on the tank cover;
the turbine powder spraying system comprises a turbine jet engine, an injection spray pipe, a powder spraying gun and a turntable type bracket; the turntable type support is in 360-degree transposition connection with a vehicle chassis through a plane bearing, the spraying end of the turbojet engine is fixedly connected with and communicated with the rear end of the injection spraying pipe, one end, far away from the spraying end, of the turbojet engine is hinged with the upper end of the turntable type support, and a telescopic cylinder capable of driving the turbojet engine to realize elevation adjustment is further connected between the turntable type support and the turbojet engine; the powder gun is arranged on the injection spray pipe, the output end and the input end of the powder gun are respectively positioned in the injection spray pipe and outside the injection spray pipe, and the input end of the powder gun is connected with the other end of the powder conveying pipeline.
Further: the two powder storage tanks are arranged in a front-to-back manner; the powder conveying pipeline is formed by connecting two powder conveying branch pipes and a powder conveying main pipe through a three-way joint, the two powder conveying branch pipes are respectively connected with the powder outlet ports of the two powder storage tanks, and the powder conveying main pipe is connected with the input end of the powder gun; the gas transmission pipeline is formed by connecting a gas transmission main pipe and two gas transmission branch pipes through a three-way joint, the two gas transmission branch pipes are respectively connected with gas inlet ports of the two powder storage tanks, each gas transmission branch pipe is provided with a switch valve, the gas transmission main pipe is connected with the input end of an air compressor, and the check valve is arranged on the gas transmission main pipe.
Further: the tank covers of the two powder storage tanks are respectively provided with a safety valve port, and the positions of the two safety valve ports are respectively provided with a safety valve.
Further: powder filling ports are respectively arranged on the tank covers of the two powder storage tanks, and a sealing cover is respectively arranged at each of the two powder filling ports.
Further: the powder storage device, the pneumatic powder conveying system and the turbine powder spraying system are arranged in the protective box, a hydrophobic material layer is coated on the outer surface of the protective box, a manhole door is arranged on the protective box corresponding to one side of the two powder storage tanks, and a pneumatic door capable of turning upwards is arranged on the protective box corresponding to one side of the turbine powder spraying system; the injection end of the injection spray pipe extends out of the upper end of the protective box.
The invention has the advantages and positive effects that:
the invention carries out the design idea of reasonably using energy and comprehensively distributing functions, the turbojet engine is arranged on a defogging vehicle, and high-temperature and high-speed airflow generated in the working process of the turbojet engine is used as a power source for scattering high-hygroscopicity powder, so that the high-hygroscopicity powder is uniformly sprayed into the air in a large range and a long distance by depending on the operation of the turbojet engine to achieve defogging. The device does not depend on the aerial work of a flight platform, the spraying distance can reach 200m, 360-degree all-dimensional powder spraying can be realized by matching with a turntable type support and a telescopic plug, different elevation angles in a range of 150 degrees can be adjusted, high-speed, large-range and large-distance fog dissipation is realized, and the fog dissipation efficiency is greatly improved.
The fog dispersal vehicle drives and scatters high-hygroscopicity powder by the pushing of high-temperature high-speed airflow, compared with the existing moisture absorbent scattering method, the consumption of the high-hygroscopicity powder is greatly reduced, and the pollution to the environment is reduced; compared with the existing mode of fog dissipation only by means of warm high-temperature high-speed airflow, the fog dissipation efficiency is improved, and the fog dissipation cost is reduced.
Drawings
Fig. 1 is a schematic structural view of the present invention.
In the figure: 1. a vehicle body; 2. a powder storage device; 2-1, a tank body; 2-2, a tank cover; 2-2-1, powder filling port; 2-3, a safety valve; 3. a pneumatic powder conveying system; 3-1, an air compressor; 3-2, a powder conveying pipeline; 3-2-1, powder conveying branch pipes; 3-2-2, powder conveying dry pipe; 3-3, a gas transmission pipeline; 3-3-1, a gas transmission main pipe; 3-3-2, gas transmission branch pipes; 3-4, check valve; 3-5, opening and closing a valve; 4. a turbine powder injection system; 4-1, a turbojet engine; 4-2, injecting a spray pipe; 4-3, a powder gun; 4-4, a turntable type bracket; 4-5, a bracket driving mechanism; 4-5-1, a motor; 4-5-2, a transmission mechanism; 4-5-2a, a tail end output gear piece; 4-6, a telescopic cylinder; 5. a protective box; 6. a human mouth door.
Detailed Description
In order to further understand the contents, features and effects of the present invention, the following embodiments are illustrated and described in detail with reference to the accompanying drawings:
referring to fig. 1, the invention relates to a high hygroscopicity powder jet type fog dispersal vehicle, which is characterized in that: comprises a vehicle body 1, a powder storage device 2, a pneumatic powder conveying system 3 and a turbine powder spraying system 4. The powder storage device, the pneumatic powder conveying system and the turbine powder spraying system are all installed on a vehicle chassis behind a cab of the vehicle body.
The powder storage device comprises at least one powder storage tank, the powder storage tank is composed of a tank body 2-1 and a tank cover 2-2, the tank cover and the upper end of the tank body are in detachable full-sealing connection, specifically, a sealing ring can be arranged at the matching part of the tank cover and the tank body, sealing is realized through the sealing ring, and the tank cover and the tank body can be connected through a matching structure of a hanging ring and a hook. The powder outlet interface and the air inlet interface are respectively arranged on the tank cover and the tank body.
The pneumatic powder conveying system comprises an air compressor 3-1 and a powder conveying pipeline 3-2, the output end of the air compressor is connected with an air inlet interface on the tank body through the air conveying pipeline 3-3, a check valve 3-4 is installed on the air conveying pipeline, and the check valve has the functions of: in the process of stopping the operation of the air compressor, the high-hygroscopicity powder in the powder storage tank is prevented from being sucked into the air compressor. One end of the powder conveying pipeline is connected with a powder outlet interface on the tank cover.
The turbine powder spraying system comprises a turbine jet engine 4-1, an injection nozzle 4-2, a powder spraying gun 4-3 and a turntable type support 4-4. The turntable type support is connected with a vehicle chassis in a 360-degree transposition mode through a plane bearing and is connected with a support driving mechanism 4-5, the support driving mechanism can be composed of a motor 4-5-1 and a transmission mechanism 4-5-2 for connecting the motor and the turntable type support, the turntable type support can be driven in a central shaft driving mode, a turntable part at the lower end of the turntable type support can also be made into an external gear structure, and the external gear structure is meshed with a tail end output gear piece 4-5-2a of the transmission mechanism through teeth. The jet end of the turbojet engine is fixedly connected with and communicated with the rear end of the jet pipe, and one end of the turbojet engine, which is far away from the jet end, is hinged with the upper end of the turntable type support. Specifically, the turntable-type support is composed of a turntable part positioned at the lower part and a left support and a right support positioned at the upper part, and one end of the turbojet engine, which is far away from the injection end, is arranged between the left support and the right support and is hinged with the turntable-type support through a hinged shaft. And a telescopic cylinder 4-6 capable of driving the turbojet engine to realize elevation angle adjustment is connected between the turntable type support and the turbojet engine, the telescopic cylinder adopts an oil cylinder, and the maximum angle of elevation angle adjustment can reach 150 degrees. The powder gun is arranged on the injection spray pipe, the output end and the input end of the powder gun are respectively positioned in the injection spray pipe and outside the injection spray pipe, namely the powder gun is inserted and fixed on the pipe wall of the injection spray pipe at a certain inclination angle. The input end of the powder gun is connected with the other end of the powder conveying pipeline.
In the above-mentioned spray-type mist elimination vehicle structure, the number of the powder storage tanks is further preferably two, and the two powder storage tanks are arranged in a manner of being adjacent to each other in front of and behind. The powder conveying pipeline is formed by connecting two powder conveying branch pipes 3-2-1 and a powder conveying main pipe 3-2-2 through a three-way joint, the two powder conveying branch pipes are respectively connected with the powder outlet ports of the two powder storage tanks, and the powder conveying main pipe is connected with the input end of the powder gun. The gas transmission pipeline is formed by connecting a gas transmission main pipe 3-3-1 and two gas transmission branch pipes 3-3-2 through a three-way joint, the two gas transmission branch pipes are respectively connected with gas inlet ports of the two powder storage tanks, each gas transmission branch pipe is provided with a switch valve 3-5, the gas transmission main pipe is connected with the input end of an air compressor, and the check valve is arranged on the gas transmission main pipe. Two powder storage tanks, the powder conveying pipeline and the gas conveying pipeline are adopted, so that the powder storage tanks are used for standby, and the pneumatic powder conveying system is composed of two parallel powder conveying channels. When the spraying and fog-dispersing operation is carried out, only the switch valve on one gas transmission branch pipe is needed to be opened, so that the powder transmission channel corresponding to the gas transmission branch pipe is in a communicated state, when the high-hygroscopicity powder in the powder storage tank corresponding to the powder transmission channel is close to the lower storage limit, the switch valve on the gas transmission branch pipe is closed, and the switch valve on the other gas transmission branch pipe is opened, so that the other powder transmission channel is in a communicated state. In the working process of the other powder conveying channel, high-hygroscopicity powder can be added into the powder storage tanks with the powder storage amount close to the lower limit, and the rest is done in sequence, the two powder storage tanks work alternately and inject powder alternately, so that the continuous operation of the jet type fog dispersal vehicle is ensured, and the operating efficiency of the jet type fog dispersal vehicle is further improved.
In the above-mentioned spray-type fog dispersal vehicle structure: the tank covers of the two powder storage tanks are respectively provided with a safety valve port, and the positions of the two safety valve ports are respectively provided with a safety valve 2-3. The safety valve is arranged to have the following functions: when the pressure in the powder storage tank exceeds a set value, the safety valve can be automatically opened to realize pressure relief, so that the safety of operators and the operation of equipment are protected.
In the above-mentioned spray-type fog dispersal vehicle structure: the powder filling ports 2-2-1 are respectively arranged on the tank covers of the two powder storage tanks, a sealing cover is respectively arranged at the two powder filling ports, the sealing covers are not shown in the drawing, and the sealing covers can be fixedly arranged at the powder filling ports in various ways, for example, the sealing covers are in threaded connection with the powder filling ports of the powder storage tanks, and sealing rubber rings are arranged between the sealing covers and the powder filling ports. The powder filling port is additionally arranged on the tank cover of the powder storage tank, so that high-hygroscopicity powder can be filled into the powder storage tank through the powder filling port under the condition that the tank cover of the powder storage tank is not required to be opened, and the powder can be conveniently filled.
In the above-mentioned spray-type fog dispersal vehicle structure: the high-hygroscopicity powder spraying device is characterized by further comprising a protective box 5, wherein the powder storage device, the pneumatic powder conveying system and the turbine powder spraying system are arranged in the protective box, a hydrophobic material layer is coated on the outer surface of the protective box, the high-hygroscopicity powder is prevented from corroding equipment after absorbing water, and the protective effect on all parts is achieved. Specifically, the protective housing passes through the connecting seat to be fixed on the chassis of vehicle body, and the connecting seat comprises last connecting seat and lower connecting seat that link together, and protective housing bottom and last connecting seat welded connection, lower connecting seat pass through high strength check bolt to be fixed on the chassis. And a manhole door 6 is arranged at a position on the protective box corresponding to one side of the two powder storage tanks, so that an operator can clean and maintain the powder storage tanks and the connected pipelines conveniently. A pneumatic door capable of turning upwards is arranged at a position, corresponding to one side of the turbine powder spraying system, on the protective box so as to be convenient for maintaining and overhauling a turbojet unit, a valve and a pipeline, and the pneumatic door is not shown in the attached drawing. The injection end of the injection spray pipe extends out of the upper end of the protective box. The arrangement of the protective box is favorable for not influencing the elevation angle adjustment and the 360-degree transposition adjustment along the plane direction of the turbojet engine, namely the arrangement of the protective box cannot influence the normal spraying operation and the adjustment of the spraying position and the spraying direction of the turbine powder spraying system.
The high-hygroscopicity powder jet type fog dispersal vehicle adopts a control system arranged in a cab to carry out fog dispersal control operation, a control panel is arranged at the head and door of the cab, and a pressure gauge communicated with a powder storage tank and operation buttons for operation of an air compressor, starting of a turbojet engine, rotation of a turntable type support, elevation adjustment of the turbojet engine and the like are arranged on the control panel.
The high-hygroscopicity powder jet type fog dispersal vehicle has the advantages of larger jet distance, wider diffusion range and higher fog dispersal speed, and can eliminate warm fog in a large range to the maximum extent. The defects of insufficient spraying distance and small diffusion range of the conventional fog dispersal vehicle are overcome, and the fog dispersal effect is better. The chassis bearing capacity is effectively utilized, the whole vehicle is firm and reliable, and the structure is more compact. And the stainless steel type building material coated with the hydrophobic material is adopted to build the framework, and the powder storage tank, the air compressor and the pipeline are surrounded by the stainless steel coated with the hydrophobic material, so that the protection effect on all parts is achieved, and the appearance of the whole vehicle is attractive and elegant. The centralized control technology is adopted, so that the operation is more convenient and faster.

Claims (3)

1. The utility model provides a high hygroscopicity powder sprays formula fog dispersal car which characterized in that: comprises a vehicle body, a powder storage device, a pneumatic powder conveying system and a turbine powder spraying system; the powder storage device, the pneumatic powder conveying system and the turbine powder spraying system are all arranged on a vehicle chassis behind a cab of the vehicle body;
the powder storage device comprises at least one powder storage tank, the powder storage tank consists of a tank body and a tank cover, and the tank cover is detachably and hermetically connected with the upper end of the tank body; the powder outlet interface and the air inlet interface are respectively arranged on the tank cover and the tank body;
the pneumatic powder conveying system comprises an air compressor and a powder conveying pipeline, the output end of the air compressor is connected with an air inlet interface on the tank body through the gas conveying pipeline, a check valve is arranged on the gas conveying pipeline, and one end of the powder conveying pipeline is connected with a powder outlet interface on the tank cover;
the turbine powder spraying system comprises a turbine jet engine, an injection spray pipe, a powder spraying gun and a turntable type bracket; the turntable type support is in 360-degree transposition connection with a vehicle chassis through a plane bearing, the spraying end of the turbojet engine is fixedly connected with and communicated with the rear end of the injection spraying pipe, one end, far away from the spraying end, of the turbojet engine is hinged with the upper end of the turntable type support, and a telescopic cylinder capable of driving the turbojet engine to realize elevation adjustment is further connected between the turntable type support and the turbojet engine; the powder gun is arranged on the injection spray pipe, the output end and the input end of the powder gun are respectively positioned in the injection spray pipe and outside the injection spray pipe, and the input end of the powder gun is connected with the other end of the powder conveying pipeline;
the two powder storage tanks are arranged in a front-to-back manner; the powder conveying pipeline is formed by connecting two powder conveying branch pipes and a powder conveying main pipe through a three-way joint, the two powder conveying branch pipes are respectively connected with the powder outlet ports of the two powder storage tanks, and the powder conveying main pipe is connected with the input end of the powder gun; the gas transmission pipeline is formed by connecting a gas transmission main pipe and two gas transmission branch pipes through a three-way joint, the two gas transmission branch pipes are respectively connected with gas inlet ports of two powder storage tanks, each gas transmission branch pipe is provided with a switch valve, the gas transmission main pipe is connected with the input end of an air compressor, and the check valve is arranged on the gas transmission main pipe;
the powder storage device, the pneumatic powder conveying system and the turbine powder spraying system are arranged in the protective box, a hydrophobic material layer is coated on the outer surface of the protective box, a manhole door is arranged on the protective box corresponding to one side of the two powder storage tanks, and a pneumatic door capable of turning upwards is arranged on the protective box corresponding to one side of the turbine powder spraying system; the injection end of the injection spray pipe extends out of the upper end of the protective box.
2. The high hygroscopicity powder jet type defogging vehicle according to claim 1, wherein: the tank covers of the two powder storage tanks are respectively provided with a safety valve port, and the positions of the two safety valve ports are respectively provided with a safety valve.
3. The high hygroscopicity powder jet type defogging vehicle according to claim 1, wherein: powder filling ports are respectively arranged on the tank covers of the two powder storage tanks, and a sealing cover is respectively arranged at each of the two powder filling ports.
CN201710666082.7A 2017-08-07 2017-08-07 High hygroscopicity powder sprays formula car that disappears Active CN107653831B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112173118A (en) * 2020-09-10 2021-01-05 天津科技大学 Automatic device for uniformly scattering high-hygroscopicity powder by airplane
CN113844671A (en) * 2021-09-28 2021-12-28 吉林航空维修有限责任公司 Defogging car based on aeroengine is power supply

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Publication number Priority date Publication date Assignee Title
CN2432247Y (en) * 2000-01-07 2001-05-30 中国人民解放军空军第一研究所 Warm fog eliminating device for jet of turbine jet engine
CN1514067A (en) * 2003-06-24 2004-07-21 王培良 Artificial fog dispersal and rain falling calalyst spreading device, used on airdrome etc.
RU2348753C2 (en) * 2007-03-05 2009-03-10 Государственное учреждение ВЫСОКОГОРНЫЙ ГЕОФИЗИЧЕСКИЙ ИНСТИТУТ (ГУ ВГИ) Method of active effect on warm and freezing fogs and associated device
CN102337731A (en) * 2010-07-26 2012-02-01 姬永兴 Method and device for quickly eliminating warm fog
CN105780706B (en) * 2016-03-11 2017-07-04 张琴 A kind of spray for dust suppression with vector spout removes haze car

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