CN102926314A

CN102926314A - Blue flame pavement heating repairing machine

Info

Publication number: CN102926314A
Application number: CN2011102248667A
Authority: CN
Inventors: 赵金叶; 马福聚
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-08-08
Filing date: 2011-08-08
Publication date: 2013-02-13

Abstract

A blue flame pavement heating repairing machine belongs to the technical field of road engineering machinery, and is used for solving the problems of easy singeing and difficultly-controlled depth for pavement heating. The repairing machine comprises a heating system, a gas source, a walking vehicle frame, and a handle; the heating system comprises a gas source, a decompressor, a solenoid valve, a nozzle, a jet pipe, a diffusion chamber, an ignition electrode, a mixing chamber, and a combustion chamber; wherein the gas source, the decompressor, the nozzle, the jet pipe, the diffusion chamber, and the mixing chamber are connected in order; the mixing chamber and the combustion chamber are separated by a needled felt with uniformly distributed micropores; the heating system is fixed on a housing (16); the ignition electrode is fixed in the combustion chamber. The invention has the following characteristics: 1. blue heat radiation and convective heat transfer are adopted, which is difficult to cause singeing of the pavement; 2. heat is conducted downwards from the pavement, which effectively controls the heating depth; 3. the weight is light, and the machine is convenient for moving; 4. heating can be performed at one working zone, which saves energy; 5. full-automatic ignition is realized. The blue flame pavement heating repairing machine is suitable for early-stage maintenance of asphalt concrete roads.

Description

A kind of blue flame road surface heating repairing machine

Technical field

The present invention relates to a kind of improved road-surface heating repairing machine, both be not easy burned road surface, be easy to again control heat penetration, is the advanced technology in the highway construction mechanical field.

Background technology

After the use of bituminous concrete highway pavement process and vehicle rolled, infringement in various degree can appear in the road surface.After long-term the use, the highway top layer cracking can occur, cheat groove or gather around bag etc., and these phenomenons are referred to as pavement disease in highway system.If not to these pavement disease on-call maintenances, can damage the coarse fodder layer of bituminous concrete highway through the erosion of rainwater, ice and snow etc., even damage the basic unit of bituminous concrete highway, until the plain soil layer of bituminous concrete.

When generally disease occurring on road surface, bituminous concrete highway top layer, highway system all wants on-call maintenance.The past highway system mends a split, cheats groove, gather around the early disease such as bag, is to adopt the artificial method of using the instruments such as pneumatic pick, cutting machine to mend or root out the road surface by replacing a damaged part, artificial drop into very large.Along with technological progress, adopt now asphalt concrete pavement heating technique road pavement early disease to process.At present, existing bituminous concrete highway pavement firing equipment has Infrared Pavement to add red thermal mending machine and microwave road-surface heating repairing machine.

Infrared Pavement adds red thermal mending machine because in heating process, mainly be to adopt the red heat radiant heat transfer, red heat effect temperature is higher, and convection heat transfer' heat-transfer by convection pass to be heated the road surface heat seldom, the burned phenomenon in bituminous concrete highway top layer often occurs, and the red heat heater element has again very large thermal capacitance, need preheating before the equipment work, need again cooling after the work, wasted the energy; The microwave road-surface heating repairing machine is to adopt the microwave penetration heating, because microwave penetration power is very strong, the heat penetration of road pavement is uncontrollable within approximately 5 centimetres of road surface degree of depth of practice of construction, heat penetration is darker, so after the heating of its road pavement, can damage the coarse fodder layer on road surface, make should not be destroyed the coarse fodder layer be subject to destruction, shortened the application life of highway.In addition, the transmitted radiation of microwave very easily damages human body, is not a kind of safe road surface heating device.Cost is relatively more expensive again in actual applications, so cost performance is lower.

Summary of the invention

The present invention a kind ofly not only had been not easy burned road surface, but also had been easy to control the blue flame road surface heating repairing machine of heat penetration.

A kind of blue flame road surface heating repairing machine, it by heating system, source of the gas, traveling vehicle frame, and handle form.Its heating system is comprised of source of the gas, pressure reducer, electromagnetic valve, nozzle, jet pipe, diffusion chamber, ignitor, mixing chamber, combustion chamber, wherein, source of the gas, pressure reducer, nozzle, jet pipe, diffusion chamber, mixing chamber, continuous successively, adopt the needle punched blanket with uniform micropore to separate between mixing chamber and the combustion chamber, described heating system is fixed on the shell (16); Fixed ignition electrode in the combustion chamber, ignitor is connected with igniter, and igniter is electrically connected with power supply.Heating system for independently two the cover.Every cover is by independently electromagnetic valve, nozzle, jet pipe, diffusion chamber, ignitor, mixing chamber, combustion chamber form, and be connected in after the pressure reducer.

In addition, the present invention sets up solar panel (3), and its power supply is battery, and solar panel is connected with storage battery.

The invention solves in the asphalt concrete pavement maintenance construction process, the road pavement heating is easy to burned problem and the restive problem of heat penetration.It utilizes post-decompression combustion gas to spray into jet pipe by nozzle, and the injection air also is mixed into the mist with certain flow rate, enters the combustion chamber by the burner plate by the needle punched blanket manufacturing gradually and burns downwards, and send blue flame by diffusion, mixing.The blue flame that send the combustion chamber carries out blue heat radiation and heat convection to highway pavement, thus the heated asphalt rigid pavement, but can burned road crust, and can effectively control heat penetration.The equipment side is equipped with the wind protection screen that can put down, and can prevent the nature Wind effect; Solar cell charges at any time, thereby makes service equipment time saving and energy saving.

The present invention has following characteristics:

1. equipment adopts blue heat radiation and heat convection, because the blue heat thermal effect of radiation is little, and mainly by heat convection heat is passed to the road surface, the gas that participates in heat convection is after the burning, temperature is lower, the asphalt carbonization speed of bituminous concrete highway pavement is carbonized slowly or not, so unsuitable burned road surface has guaranteed original adhesive effect of the pitch in the bituminous concrete highway.

2. heat is to conduct downwards from the road surface, by to control heat time heating time, can effectively control heat penetration.

3. weight of equipment is light, reasonable in design, makes the equipment supported at three point on the road surface by rubber tire, and both conveniently moving had fully guaranteed again combustion chamber and the operating distance that is heated the road surface.

4. adopt the structure of subregion work, when the maintenance road surface does not need too large heating region, can turn off a workspace, saved the energy.

5. equipment Full-automatic ignition control, igniting need not artificial.This equipment is the ideal equipment of highway system road surface heating device, is suitable for highway system to the early curing of bituminous concrete highway.

Description of drawings

Fig. 1 is the highway schematic cross-section

Fig. 2 is the device structure schematic diagram

Fig. 3 is the left view of Fig. 2

Fig. 4 is the top view of Fig. 2

Number in the figure is expressed as follows: 1-1. highway pavement top layer; 1-2. highway coarse fodder layer; 1-3. the basic unit of highway; 1-4. the plain soil layer of highway; 2.T shape handle; 3. solar panel; 4. control box; 4-1. pressure reducer; 4-2. electromagnetic valve; 4-3. nozzle; 4-4. jet pipe; 4-5.I igniter; 4-6. storage battery; 4-7.II igniter; 5. cylinder for liquefied gas; 6. fore-stock; 7. mobile rubber tire; 8. burner plate; 9.I mixing chamber; 10. combustion chamber; 11. diffusion chamber; 12-1.I ignitor; 12-2.II ignitor; 13.II mixing chamber; 14. direction rubber tire; 15. rear end after-poppet; 16. shell; 17. fixed mount; 18. wind protection screen.

The specific embodiment

Device structure and the course of work are as follows, see Fig. 2: adopt cylinder for liquefied gas (5) that source of the gas is provided, and cylinder for liquefied gas is placed in the fixed mount (17) on the equipment, source of the gas is petroleum liquefied gas, hereinafter referred to as combustion gas.Combustion gas is carried out diffusion through the air feed and the control system inflow diffusion chamber (11) that are installed in the control box (4), and further mixes at I mixing chamber (9) and II mixing chamber (13), prepares to enter combustion chamber (10) burning.Mix at mixing chamber, the fuel gas behind the diffusion gradually pass through the combustion chamber (10) that burner plate (8) enters downward burning, air feed and control system in the control box (4) begins to produce high pressure simultaneously, electric energy is by I ignitor (12-1) and II ignitor (12-2) discharge, light the air mixture burning, because mist has oxygen, blue flame is sent in burning.

See Fig. 4: the air feed in the control box (4) and control system are control combustion gas and electric, and combustion gas is by propane pressure reducer (4-1) decompression, and general post-decompression force value is 0.8kgf.Post-decompression combustion gas is through pipeline flow dividing, the independent electromagnetic valve (4-2) of controlling of flowing through respectively enters nozzle (4-3), spray into jet pipe (4-4) by nozzle (4-3) again, spraying into jet pipe by nozzle is the operating principle of utilizing the high pressure draught injection, the injection air-flow is high-pressure gas, is air by the injection air-flow, and two class gases are mixed into the air mixture with certain flow rate, and in the flaring pipe of convergent-divergent, flow, then flow into diffusion chamber (11) and carry out diffusion.

The profile of nozzle (4-3) adopts tapered, and jet pipe (4-4) adopts convergent, gradually expanded form, in order to combustion gas mixing.

See Fig. 2, Fig. 3: burner plate (8) is by high temperature resistant, good permeability and have that the heat insulating material needle punched blanket of very large thermal resistance makes, it is combustion chamber (10) and I mixing chamber (9), worker I mixing chamber (13) separately, it is characterized in that: because hardly heat conduction of needle punched blanket, it has been replaced stone or metal plate for standing a stove on as a precaution against fire for the manufacture of the burner plate (8) of blue flame road surface heating repairing machine, it has effectively stoped the heat of combustion chamber (10) to import mixing chamber on the one hand, burning is continued, on the other hand, needle punched blanket has good gas permeability, adopt when mounted perforation to process, reduced the resistance of gas by needle punched blanket, made combustion gas can pass through smoothly burner plate (8) burning.

See Fig. 2, Fig. 4: the equipment rear end is equipped with mobile T-handle (2), and at rear end after-poppet (15) universal rubber wheel (14) has been installed, mobile rubber tire (7) has been installed on the front equipment end left and right sides fore-stock (6), make the equipment supported at three point on the road surface, so both conveniently moving had fully guaranteed again combustion chamber and the operating distance that is heated the road surface.

See Fig. 3: with shell (16) as equipment frame, the equipment both sides are designed with the long-bar metal wind protection screen (18) that can put down, by the whole piece gemel connection in the equipment left and right side.Be characterized in: in the weather that wind is being arranged, put down the metal wind protection screen of equipment side, natural wind affects equipment to the heating effect on asphalt concrete pavement top layer in the time of effectively preventing equipment work.

See Fig. 4: on the control box (4) of equipment, solar panel (3) has been installed all, can have been given storage battery (4-6) the automatic charging makeup energy in the control box (4).Two workspaces of equipment produce approximately the 15KV high pressure of lighting a fire by the I igniter (4-5) in the control box (4) and II igniter (4-7) respectively and light a fire.

See Fig. 2: the I mixing chamber (9) of equipment and II mixing chamber (13) are separate and are separated by the diffusion chamber, by the air feed in the control box (4) and the control of control system, can close any one workspace.The structure design of subregion work when the road area that makes equipment be used to keep in repair is little, is used district's work, so effectively energy conservation.

Device design has fuel regulating system and Windproof system, can road pavement carry out blue heat radiation and heat convection.The characteristics of air supply system are: utilize to be installed in front pressure reducer (4-1) the adjusting whiff pressure of negative throat noz(zle) (4-3), air mixture enters combustion chamber (10) through burner plate (8) and lights by ignitor (12-1) with (12-2).The fuel gas buring that contains oxygen after this mixing sends blue flame, directly the bituminous concrete highway pavement is heated.Liberated heat carries out blue heat radiation and Convective Heating with the blue flame that sends to the muddy Concrete Highway of pitch road surface during fuel gas buring, heated road crust (1-1) is heated up in the short period of time, and make pitch reach soft state; Windproof system is that natural wind road pavement heating effect exerts an influence in preventing from constructing in the open air.Increased wind protection screen (18), it has controlled the loss of hot air behind the fuel gas buring.This heated asphalt rigid pavement technique guarantee asphalt concrete pavement is by burned, and can effectively control heat penetration.

Claims

1. blue flame road surface heating repairing machine, it is characterized in that, it by heating system, source of the gas, traveling vehicle frame, and handle form, described heating system is comprised of source of the gas, pressure reducer, electromagnetic valve, nozzle, jet pipe, diffusion chamber, ignitor, mixing chamber, combustion chamber, wherein source of the gas, pressure reducer, nozzle, jet pipe, diffusion chamber, mixing chamber link to each other successively, adopt the needle punched blanket with uniform micropore to separate between mixing chamber and the combustion chamber, described heating system is fixed on the shell (16); Fixed ignition electrode in the combustion chamber, ignitor is connected with igniter, and igniter is electrically connected with power supply.

2. a kind of blue flame road surface heating repairing machine according to claim 1, it is characterized in that, described heating system is two covers independently, and every cover forms, and is connected in after the pressure reducer by electromagnetic valve independently, nozzle, jet pipe, diffusion chamber, ignitor, mixing chamber, combustion chamber.

3. a kind of blue flame road surface heating repairing machine according to claim 1 and 2 is characterized in that, sets up solar panel (3), and described power supply is battery, and solar panel is connected with storage battery.