CN203846368U - Asphalt warm-mixing foaming system - Google Patents
Asphalt warm-mixing foaming system Download PDFInfo
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- CN203846368U CN203846368U CN201420236300.5U CN201420236300U CN203846368U CN 203846368 U CN203846368 U CN 203846368U CN 201420236300 U CN201420236300 U CN 201420236300U CN 203846368 U CN203846368 U CN 203846368U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
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Abstract
The utility model discloses an asphalt warm-mixing foaming system, which is used for solving the mixing problem of hot asphalt for high-grade highways. The asphalt warm-mixing foaming system mainly comprises a water storage device, a water supply device, an asphalt foaming device and an electric appliance control device, wherein the water storage device is connected with the water supply device; the water supply device is connected with the asphalt foaming device; the electric appliance control device is respectively connected with the water storage device, the water supply device and the foaming device; an asphalt foaming tube in the asphalt foaming device is of a dual-layer sleeve structure, wherein an outer sleeve is a heat-conduction oil heating sleeve, and an inner core pipe is foam asphalt generation core pipe; a splitter plate is arranged on the asphalt inlet part; orthometric fixed screw blades are arranged inside a pipe cavity of the foam asphalt generation core pipe; water nozzles for foams are symmetrically arranged. The asphalt is foamed by combining hot asphalt of the foaming system with water, and the viscosity of the asphalt is reduced. Thus, mixing temperature and time of the asphalt and aggregate are reduced and shortened, the problems of energy waste and low construction efficiency are effectively solved, meanwhile, the environmental pollution degree and the production cost are reduced, and convenience is brought about for construction. The asphalt warm-mixing foaming system has the advantages of being simple and practical in structure, easy to fabricate, simple to control, accurate to calculate, strong in compatibility and the like.
Description
Technical field
The utility model belongs to field of road engineering machinery equipment technical field, specifically a kind of foamed asphalt production system based on Warm-Mix Bitumen Mixture production use under automatic control, be exclusively used in instantaneous to heated bitumen and normal-temperature water even mixing, make pitch be converted at short notice foamed asphalt.
Technical background
Along with the environment present situation of increasingly exhausting with the energy that goes from bad to worse, energy-saving and emission-reduction, low-carbon environment-friendly has become the focus of social common concern.Growing along with traffic route, more and more to flexible pavement laying demand, traditional high-grade highway adopts hot-mix asphalt mixture more, and hot-mix asphalt mixture production temperature is high, seriously polluted, the high and construction inconvenience of cost.Warm mix foaming technique has effectively solved pitch and has mixed difficult problem, has reduced the temperature of pitch and aggregate blending, has saved cost, is a kind of environmentally friendly technology truly.
Mono-kind of open (bulletin) number 103397588A of open (bulletin) day 2013-11-20 and the matching used warm-mixed asphalt foam device of pitch mixing apparatus, warm-mixed asphalt foam device of the present utility model is simple and practical, can reduce and produce and construction temperature, therefore saving heat energy, reduce environmental and cost of production, and bring construction convenient; Comprise water storage device, waterworks, asphalt foaming apparatus, also comprise electric apparatus control apparatus; Water storage device comprises water tank, and on water tank, is provided with feed water inlet and delivery port, and feed water inlet and delivery port are all communicated with water tank; Waterworks comprise water pump and outlet pipe; Asphalt foaming apparatus comprises asphalt foaming pipe and pitch water jet pump, one end of outlet pipe is arranged on water outlet, and the other end of outlet pipe is communicated with asphalt foaming pipe, and water pump is arranged on outlet pipe, electric apparatus control apparatus is electrically connected with water pump, the unlatching of electric apparatus control apparatus control water pump or close.Shen Qing Publication day 2014.04.09 application publication number CN 103711059 A have announced a kind of asphalt foaming apparatus, this kind of asphalt foaming apparatus, comprise foamed asphalt pipe, heat-conducting oil pipes and some foaming water routes, described foamed asphalt pipe two ends are respectively pitch entrance point and the foamed asphalt port of export; Heat-conducting oil pipes is sheathed on outside foamed asphalt pipe, and forms heat conduction oil pocket with foamed asphalt pipe outer wall; Foaming water route comprises high-pressure water pipe, water route gauge tap and nozzle, described high-pressure water pipe water inlet end is connected with water route gauge tap, water side extends in foamed asphalt pipe, and nozzle is installed on the water side of high-pressure water pipe and the water outlet direction of nozzle and pitch, and to flow to direction identical.Above-mentioned asphalt foaming apparatus, by the pressure of water and the flow velocity of pitch, ensure that water and pitch fully mix in foamed asphalt pipe, and foaming, not only the processing of foamed asphalt pipe is simple, and this kind of asphalt foaming apparatus vibrate in use little, easy to use, maintenance cost is low.Above-mentioned two kinds of asphalt foaming apparatus foaming efficiency is low, and measuring accuracy is not high, does not reach the demand of actual production.
Utility model content
In order to overcome prior art deficiency, order of the present utility model is to provide a kind of simple and practical, steady quality, simple to operate, and foaming efficiency is high, the warm-mixed asphalt foamed system that measuring accuracy is high.The utility model is applicable to carry out continous way or batch (-type) asphalt mixing uses and the coordinative composition of equipments of technique close with it uses.
For achieving the above object, the technical scheme that the utility model adopts is: this one pitch warm mix foamed system, formed by water-storing device, waterworks, asphalt foaming apparatus and electric apparatus control apparatus, described water-storing device connects waterworks, waterworks connect asphalt foaming apparatus, and electric apparatus control apparatus is control connection automatic water storage device, waterworks and automatic asphalt foaming apparatus respectively, described water-storing device is made up of feed pipe, water supply electromagnetic valve, strainer, level sensor, outlet pipe and water storage box, wherein on water storage box, be provided with level sensor, water storage box connects feed pipe, feed pipe is connected with water supply electromagnetic valve and strainer, on the outlet pipe being connected with water storage box, y-type filter is housed, y-type filter is connected to waterworks, water level information in level sensor transmission water tank is to electric apparatus control apparatus, and electric apparatus control apparatus receives the backward water supply electromagnetic valve of level sensor information and sends instruction, and water supply electromagnetic valve is being accepted the unlatching of action control water supply electromagnetic valve after instruction or closing, described waterworks comprise a water pump, connect the y-type filter of water-storing device on the inlet pipeline of described water pump, on the hydraulic pipeline of described water pump, connect successively pressure meter, overflow valve, pressure sensor and needle valve, overflow valve connects reservoir through overflow pipe, between y-type filter and water pump, be provided with draining valve, between pressure sensor and needle valve, be provided with outlet valve, after needle valve, be divided into two branch roads, wherein: a branch road is by connecting the water storage box that is connected to water-storing device after circulation solenoid valve for water, another branch road connects note solenoid valve for water, is divided into again multiple identical foaming water feed units after water injecting electromagnetic valve, and the water feed unit that respectively foams is ball valve and the flap valve of series connection, and the parallel connection of each foaming water feed unit is exported foaming water by water injection pipe, asphalt foaming apparatus is by bitumenpump, asphalt foaming pipe and foamed asphalt jet blower composition, described asphalt foaming tube inlet connects bitumenpump, outlet connects foamed asphalt jet blower, wherein, described asphalt foaming pipe is the double-layer sleeve structure with outer layer sleeve and internal layer core pipe, outer layer sleeve is heat-conducting oil heating sleeve pipe, which is provided with heat conductive oil inlet and conduction oil outlet, internal layer core pipe is that foamed asphalt generates core pipe, the import department of described internal layer core pipe has flow distribution plate flange, flow distribution plate flange is provided with flow distribution plate, flow distribution plate profile is circular, middle part is made up of lug boss, described flow distribution plate flange sidewall is provided with nozzle bore, and nozzle bore connects the water injection pipe of waterworks, and the outlet of nozzle bore connects nozzle, in internal layer core pipe, sprays water, the port of export inwall of described internal layer core pipe is provided with mutually orthogonal helical blade, described bitumenpump is provided with current sensor, in the time that bitumenpump is opened, collect the signal of bitumenpump air blown asphalt by current sensor, cut off the auxiliary reclay of the circulation solenoid valve for water on pipeloop by electric apparatus control apparatus control, open to the auxiliary reclay of the water injecting electromagnetic valve of asphalt foaming pipe water filling simultaneously, by water pump to the water filling of asphalt foaming pipe, respond to the emitted dose current signal of pitch by the frequency converter of water pump, according to the pitch setting in advance and water number, automatically regulate the amount to the water filling of asphalt foaming pipe,
Described electric apparatus control apparatus is made up of outdoor control device and Indoor Control Device two parts, wherein, on outdoor control device, be provided with the gauge tap of the low liquid level warning lamp of level sensor of electric weight switch, the water storage box of relay that frequency converter connects, the bitumenpump of water supply electromagnetic valve, water injecting electromagnetic valve and recirculated water electromagnetic valve auxiliary reclay used, water pump and liquid level control switch, water-supply-pipe pressure transmitter, controlling electric energy instrument, intelligent digital Instrument for Pressure, 24V dc source; Described low liquid level warning lamp and liquid level control switch utilize the height of content gauge sensed water level; When water level in water storage box is during in low water stage, water injecting electromagnetic valve is opened automatically to water storage box water filling, simultaneously low-water alarm; In the time that in water storage box, water level reaches high water level, water injecting electromagnetic valve is automatically closed and is stopped to water storage box water filling, simultaneously high water-level alarm; Realize to the control of water storage box automatic water-supply; Intelligent digital Instrument for Pressure directly shows the detection signal of water-supply-pipe pressure transmitter; The pressure showing according to intelligent digital Instrument for Pressure, regulates pump rotary speed by frequency converter, required water-supply-pipe pressure while being adjusted to normal production; Controlling electric energy instrument is by the electric energy loss of the current sensor timing monitoring bitumenpump installed on bitumenpump; While starting to produce, the circulation solenoid valve for water on pipeloop is opened automatically, automatically closes to the water injecting electromagnetic valve of asphalt foaming pipe water filling; In the time that controlling electric energy instrument detects that the electric energy loss of bitumenpump increases, automatically open to the water injecting electromagnetic valve of asphalt foaming pipe water filling, close the circulation solenoid valve for water on pipeloop simultaneously; In the time that controlling electric energy instrument detects that the electric energy loss of bitumenpump reduces, automatically close to the water injecting electromagnetic valve of asphalt foaming pipe water filling, open the circulation solenoid valve for water on pipeloop simultaneously; Realize automatic foaming control; 24V dc source is electric apparatus control apparatus power supply.
Described nozzle bore presents symmetrical on flow distribution plate flange, and the partial amt of its distributed quantity and flow distribution plate lug boss is consistent.
Described nozzle bore is two, and flow distribution plate lug boss is two.
Described lug boss is semicircle.
The inner chamber of described nozzle is funnel-form.
Described level sensor is float-ball type hydraulic selector.
The connection of nozzle and water injection pipe adopts and is threaded.
On described water storage box, be provided with access door, access door is positioned at the upper end of water storage box.
Adopt the beneficial effect of technique scheme: this pitch warm mix foamed system, be made up of water-storing device, waterworks, asphalt foaming apparatus and electric apparatus control apparatus, water-storing device is realized the automatic adjusting of water level in water tank by level sensor and water supply electromagnetic valve.
Waterworks to the water filling of asphalt foaming pipe, are responded to the emitted dose current signal of pitch by water pump by the frequency converter of water pump, according to the pitch setting in advance and water number, automatically regulate the amount to the water filling of asphalt foaming pipe.Asphalt foaming pipe is the double-layer sleeve structure with outer layer sleeve and internal layer core pipe, and the tube chamber suction flange position of internal layer core pipe is provided with flow distribution plate, and flow distribution plate profile is circular, and middle part is made up of the semicircle of multiple projections.Its effect is: the inside center position that on the one hand makes to enter heated bitumen in foam chamber and all concentrate on asphalt foaming pipe, be conducive to concentrate the vectored injection of foaming water, dwindling of the normal plane direction size simultaneously flowing to due to heated bitumen, pressure increases and has improved the mobile speed of heated bitumen, the foamed asphalt forming is discharged rapidly, and after foamed asphalt is by flow distribution plate, have enough cushion spaces, and reduce the decay of internal pressure quickening foamed asphalt.On the other hand when foaming water slug is to protruding part, make to form a flow plane from the cylindric water flow jet of nozzle ejection to the part of flow distribution plate projection, then impact in heated bitumen along the plate face of the projection of flow distribution plate, symmetrical design makes water impact on the whole pitch, increase the area that pitch contacts with water, made the more even of pitch and water mixing.The part of projection has protection nozzle, prevents that the foamed asphalt backflow because generating from reducing the operating efficiency of bitumenpump.The internal layer core pipe outlet position of asphalt foaming pipe is provided with the helical blade of fixing pairwise orthogonal, in the time that the elementary foamed asphalt forming is flowed through helical blade, direction of flow rotates relative to " cutting " through twice, when fluid is through the passive stirring of helical blade of pairwise orthogonal, make fluid secondary agitation, the foamed asphalt of generation is more even.The foam flow distribution plate flange of asphalt foaming pipe is provided with foaming (operating) water nozzle, its structure presents funnel-form, make the less water of pressure originally, along with dwindling of flow direction dimension, it is large that the pressure that it bears becomes, and foaming water slug pressure becomes large, makes have enough speed to rush at from bitumenpump by the foaming water of nozzle and flow to " bituminous sheaths " that in foaming tube, pitch forms, pitch and water are mixed fully, ease of assembly and the maintenance of being threaded for nozzle and feed pipe.Described nozzle bore presents symmetrical at relative two nozzles of flow distribution plate flange, the partial amt of its distributed quantity and flow distribution plate projection is consistent.Because relative injection can solve the uneven problem of the foaming producing because of single direction injection water, alleviate while being odd number because of spray angle and easily produce unidirectional eddy current, and eddy current meeting consumed energy is no advantage to foaming.Select this foamed asphalt that all claims distribution can make and generate more even.On water storage box, be provided with access door, access door is positioned at the upper end of water storage box, can conveniently rinse through row short grained dirt in water storage box, and to pipeline unimpeded processing, be conducive to, before production, water storage box pressure is regulated to setting and detection and temperature measurement to water quality simultaneously.The utility model effectively simplifies the structure, and it is more practical compared with prior art, by the foaming of pitch; foaming efficiency is high, and measuring accuracy standard, has improved production, efficiency of construction; save cost, protected environment, there is significant economy, society and environmental benefit.
Brief description of the drawings
Below in conjunction with accompanying drawing and case, the utility model is described in further detail.
Fig. 1 is general flow chart of the present utility model;
Fig. 2 is the structure diagram of Fig. 1 medium pitch foaming tube;
Fig. 3 is the structural representation of flow distribution plate;
Fig. 4 is the top view of Fig. 3;
Fig. 5 is the structural representation of flow distribution plate flange;
Fig. 6 is the top view of Fig. 5.
Reference numeral in accompanying drawing: 1. feed pipe; 2. water supply electromagnetic valve; 3. pipelined filter; 4. float type level switch; 5. water storage box; 6.Y type water strainer; 7. discharging valve; 8. water pump; 9. pressure meter; 10. overflow valve; 11. pressure transmitters; 12. outlet valves; 13. needle valves; 14. recirculated water electromagnetic valves; 15. water injecting electromagnetic valves; 16,18. ball valves; 17,19. flap valve; 20. heat conductive oil inlet 21. bitumenpumps; 22. foaming tubes; 23. conduction oil outlets; 24. pitch playpipes; 25. flow distribution plates; 26. flow distribution plate flanges; 27. foaming water supplying pipes; 27. nozzles; 29. helical blades.
Detailed description of the invention
Below in conjunction with accompanying drawing and case study on implementation, the utility model is elaborated.
Pitch warm mix foamed system as shown in accompanying drawing 1, Fig. 2, by: a. water-storing device; B. waterworks; C. asphalt foaming apparatus; D. electric apparatus control apparatus composition.Wherein water-storing device connects waterworks, and waterworks connect asphalt foaming apparatus, and electric apparatus control apparatus connects respectively water-storing device, waterworks and foam device, wherein:
A water-storing device: feed pipe 1, water supply electromagnetic valve 2, piping filter 3, float type level switch 4 and water storage box 5 form, wherein on water storage box 5, be provided with float type level switch 4, feed pipe 1 connects water supply electromagnetic valve 2 and pipelined filter 3, on the outlet pipe of water storage box 5, connect Y type water strainer 6, connect at Y type water strainer 6 on the water pipe of water pump 8 discharging valve 7 is housed.Its working mechanism is: float type level switch 4 is positioned at water tank, electric apparatus control apparatus comprises that floating-ball level switch 4 is all connected with water supply treating apparatus with confession electromagnetic valve, float type level switch 4 transmits the interior water level signal of water storage box 5 to the treating apparatus that supplies water, by water supply treating apparatus by the open and close of water level signal control water supply electromagnetic valve 2; Can automatically control by float type level switch 4 and water supply installation like this, thus the adjusting of real-time implementation to water level in water tank.
B waterworks: water pump 8, pressure meter 9, overflow valve 10, pressure transmitter 11, needle valve 13, water injecting electromagnetic valve 15, ball valve 16,18, flap valve 17,18, recirculated water electromagnetic valve 15 forms, wherein on the inlet pipeline of water pump 8, connect the y-type filter 6 of water-storing device, on hydraulic pipeline, connect successively pressure meter 9, overflow valve 10, pressure transmitter 11 and needle valve 13 etc.Wherein, overflow valve 10 connects reservoir 5 through overflow pipe, at the rear connection water pump 8 of y-type filter 6, between y-type filter 6 and water pump 8, be provided with discharging valve 7, between pressure transmitter 11 and needle valve 13, be provided with outlet valve 12, after needle valve, be divided into two branch roads, wherein: a branch road is by connecting the water storage box 5 that is connected to water-storing device after recirculated water electromagnetic valve 14.Another branch road connects note solenoid valve for water 15, after water injecting electromagnetic valve 15, be divided into again two unit, each unit is ball valve 16,18 and the flap valve 17 of series connection, 19, these two unit parallel connections subsequently are independently connected in the flow distribution plate flange 26 in asphalt foaming apparatus by foaming water supplying pipe 27.After connecting ball valve 16,18, flap valve 17,19 successively, another branch road connection water injecting electromagnetic valve 15 is connected to asphalt foaming apparatus.The working mechanism of this device is: current treatment device is connected with the auxiliary reclay of current sensor and recirculated water electromagnetic valve 15, in the time that bitumenpump 21 is opened, the signal of the unlatching of current treatment device current sensor induction bitumenpump 21, and current signal is sent to current treatment device, controlled circulation water solenoid valve 14 is opened or is closed, and in the time not using, the water of water pump 8 is got back in water storage box 5.
Foam device: it is made up of bitumenpump 21, asphalt foaming pipe 22, heat conductive oil inlet 20, conduction oil outlet 23, foaming water supplying pipe 27, flow distribution plate 25, flow distribution plate flange 26 and nozzle 28.Wherein, asphalt foaming pipe is double-layer sleeve structure, outer layer sleeve is heat-conducting oil heating sleeve pipe, which is provided with conduction oil inlet pipe interface and conduction oil and go out interface tube, internal layer core pipe is that foamed asphalt generates core pipe, pitch import department is provided with flow distribution plate 25 and flow distribution plate flange 26, and the port of export is provided with mutually orthogonal helical blade 29.Inner layer pipe one end connects bitumenpump 21, and the other end connects foamed asphalt playpipe 24.The working mechanism of this device is: bitumenpump 21 is provided with current sensor, in the time that bitumenpump 21 is opened, collect the signal of bitumenpump 21 air blown asphalts by current sensor, utilize current treatment device to cut off the auxiliary reclay of the recirculated water electromagnetic valve 14 on pipeloop, open to the auxiliary reclay of asphalt foaming pipe water injecting electromagnetic valve 15 simultaneously, by water pump 8 to foaming tube water filling.And the emitted dose current signal of frequency converter induction pitch by water pump 8, according to the pitch setting in advance and water number, automatically regulate the amount to foaming tube water filling.
Electric apparatus control apparatus: be divided into outdoor control device and Indoor Control Device two parts, wherein, on outdoor control device, be provided with the gauge tap of the low liquid level warning lamp of electric weight switch, water storage box 5 of relay that frequency converter connects, the bitumenpump 21 of water supply electromagnetic valve 2, recirculated water electromagnetic valve 14 and water injecting electromagnetic valve 15 auxiliary reclay used, water pump 8 and float type level switch 4, water-supply-pipe pressure transmitter 11, intelligent digital displaying pressure, 24V dc source.Described low liquid level warning lamp and liquid level control switch utilize the height of content gauge sensed water level; When water level in water storage box is during in low water stage, water injecting electromagnetic valve is opened automatically to water storage box water filling, simultaneously low-water alarm; In the time that in water storage box, water level reaches high water level, water injecting electromagnetic valve is automatically closed and is stopped to water storage box water filling, simultaneously high water-level alarm; Realize to the control of water storage box automatic water-supply; Intelligent digital Instrument for Pressure directly shows the detection signal of water-supply-pipe pressure transmitter; The pressure showing according to intelligent digital Instrument for Pressure, regulates pump rotary speed by frequency converter, required water-supply-pipe pressure while being adjusted to normal production; Controlling electric energy instrument is by the electric energy loss of the current sensor timing monitoring bitumenpump installed on bitumenpump; While starting to produce, the circulation solenoid valve for water on pipeloop is opened automatically, automatically closes to the water injecting electromagnetic valve of asphalt foaming pipe water filling; In the time that controlling electric energy instrument detects that the electric energy loss of bitumenpump increases, automatically open to the water injecting electromagnetic valve of asphalt foaming pipe water filling, close the circulation solenoid valve for water on pipeloop simultaneously; In the time that controlling electric energy instrument detects that the electric energy loss of bitumenpump reduces, automatically close to the water injecting electromagnetic valve of asphalt foaming pipe water filling, open the circulation solenoid valve for water on pipeloop simultaneously; Realize automatic foaming control; 24V dc source is electric apparatus control apparatus power supply.On indoor console device, be provided with and be connected with starting switch, power supply operation indicator, intelligent digital displaying electric current, hydrostate, control device selector automatic/hand, alarm lamp.
On water storage box 5, be provided with access door, access door is positioned at the upper end of water storage box 5, can conveniently rinse through row the interior short grained dirt of water storage box 5, be conducive to carry out pressure and regulate setting before production, can regularly detect through row the water quality detection in water storage box 5 and temperature measurement simultaneously.
The internal layer core pipe outlet position of asphalt foaming pipe 22 is provided with the helical blade 29 of fixing pairwise orthogonal, in the time that the elementary foamed asphalt forming is flowed through helical blade 29, direction of flow rotates relative to " cutting " through twice, when fluid is through the passive stirring of helical blade 29 of pairwise orthogonal, make fluid secondary agitation, the foamed asphalt of generation is more even.
The foamed asphalt of asphalt foaming pipe 22 generates core pipe tube chamber suction flange position and is provided with flow distribution plate 25, and flow distribution plate 25 profiles are circular, and middle part is made up of 2 protruding semicircles.Its effect is: the inside center position that on the one hand makes to enter heated bitumen in foam chamber and all concentrate on foaming tube, be conducive to concentrate the vectored injection of foaming water, dwindling of the normal plane direction size simultaneously flowing to due to heated bitumen, pressure increases and has improved the mobile speed of heated bitumen, the foamed asphalt forming is discharged rapidly, and when foamed asphalt is by flow distribution plate 25 after, have enough cushion spaces and reduce the decay of internal pressure quickening foamed asphalt.When making the cylindric water flow jet spraying from nozzle 28 to protruding part, foaming water slug forms a flow plane to the part of flow distribution plate 25 projections on the other hand, then impact in heated bitumen along the plate face of the projection of flow distribution plate 25, symmetrical design makes water impact on the whole pitch, increase the area that pitch contacts with water, made the more even of pitch and water mixing.The part of projection has protection nozzle 28, prevents that the foamed asphalt backflow because generating from reducing the operating efficiency of bitumenpump.
Foam flow distribution plate flange 26 places of asphalt foaming pipe arrange foaming (operating) water nozzle 28, its structure presents funnel-form, make the less water of pressure originally, along with dwindling of flow direction dimension, it is large that the pressure that it bears becomes, and foaming water slug pressure becomes large, makes have enough speed to rush at from bitumenpump 21 by the foaming water of nozzle 28 and flow to " bituminous sheaths " that in foaming tube, pitch forms, pitch and water are mixed fully, nozzle 28 and foaming water supplying pipe 27 use be threaded ease of assembly and maintenance.
Flow distribution plate flange 26 is provided with groove to coordinate with flow distribution plate 25, prevents seepage, and flow distribution plate flange 26 is supplied with 27 by screw thread with foaming water and is connected, and foaming water is supplied with 27 and coordinated by screw thread and nozzle 28.Nozzle 28 holes present symmetrical at relative two nozzles of flow distribution plate flange 26.Present case is provided with two, forms " 180 pairs of sprays ", can solve like this because the single direction pitch producing of spray water contacts uneven problem with water, alleviate while being odd number because of spray angle and easily produce unidirectional eddy current, and eddy current meeting consumed energy is no advantage to foaming.Select " 180 pairs of sprays " to distribute and can make the foamed asphalt of generation more even.
Although case study on implementation of the present utility model is illustrated in this manual, these cases just, as prompting, should not limit protection domain of the present utility model.Within the scope of aim of the present utility model, carry out various omissions, displacement and change and all should be included in protection domain of the present utility model not departing from.
Claims (8)
1. a pitch warm mix foamed system, formed by water-storing device, waterworks, asphalt foaming apparatus and electric apparatus control apparatus, described water-storing device connects waterworks, waterworks connect asphalt foaming apparatus, and electric apparatus control apparatus is control connection automatic water storage device, waterworks and automatic asphalt foaming apparatus respectively, described water-storing device is made up of feed pipe, water supply electromagnetic valve, strainer, level sensor, outlet pipe and water storage box, wherein on water storage box, be provided with level sensor, water storage box connects feed pipe, feed pipe is connected with water supply electromagnetic valve and strainer, on the outlet pipe being connected with water storage box, y-type filter is housed, y-type filter is connected to waterworks, water level information in level sensor transmission water tank is to electric apparatus control apparatus, and electric apparatus control apparatus receives the backward water supply electromagnetic valve of level sensor information and sends instruction, and water supply electromagnetic valve is being accepted the unlatching of action control water supply electromagnetic valve after instruction or closing, described waterworks comprise a water pump, connect the y-type filter of water-storing device on the inlet pipeline of described water pump, on the hydraulic pipeline of described water pump, connect successively pressure meter, overflow valve, pressure sensor and needle valve, overflow valve connects reservoir through overflow pipe, between y-type filter and water pump, be provided with draining valve, between pressure sensor and needle valve, be provided with outlet valve, after needle valve, be divided into two branch roads, wherein: a branch road is by connecting the water storage box that is connected to water-storing device after circulation solenoid valve for water, another branch road connects note solenoid valve for water, is divided into again multiple identical foaming water feed units after water injecting electromagnetic valve, and the water feed unit that respectively foams is ball valve and the flap valve of series connection, and the parallel connection of each foaming water feed unit is exported foaming water by water injection pipe, asphalt foaming apparatus is by bitumenpump, asphalt foaming pipe and foamed asphalt jet blower composition, described asphalt foaming tube inlet connects bitumenpump, outlet connects foamed asphalt jet blower, wherein, described asphalt foaming pipe is the double-layer sleeve structure with outer layer sleeve and internal layer core pipe, outer layer sleeve is heat-conducting oil heating sleeve pipe, which is provided with heat conductive oil inlet and conduction oil outlet, internal layer core pipe is that foamed asphalt generates core pipe, the import department of described internal layer core pipe has flow distribution plate flange, flow distribution plate flange is provided with flow distribution plate, flow distribution plate profile is circular, middle part is made up of lug boss, described flow distribution plate flange sidewall is provided with nozzle bore, and nozzle bore connects the water injection pipe of waterworks, and the outlet of nozzle bore connects nozzle, in internal layer core pipe, sprays water, the port of export inwall of described internal layer core pipe is provided with mutually orthogonal helical blade, described bitumenpump is provided with current sensor, in the time that bitumenpump is opened, collect the signal of bitumenpump air blown asphalt by current sensor, cut off the auxiliary reclay of the circulation solenoid valve for water on pipeloop by electric apparatus control apparatus control, open to the auxiliary reclay of the water injecting electromagnetic valve of asphalt foaming pipe water filling simultaneously, by water pump to the water filling of asphalt foaming pipe, respond to the emitted dose current signal of pitch by the frequency converter of water pump, according to the pitch setting in advance and water number, automatically regulate the amount to the water filling of asphalt foaming pipe, described electric apparatus control apparatus is made up of outdoor control device and Indoor Control Device two parts, wherein, on outdoor control device, be provided with the gauge tap of the low liquid level warning lamp of level sensor of electric weight switch, the water storage box of relay that frequency converter connects, the bitumenpump of water supply electromagnetic valve, water injecting electromagnetic valve and recirculated water electromagnetic valve auxiliary reclay used, water pump and liquid level control switch, water-supply-pipe pressure transmitter, controlling electric energy instrument, intelligent digital Instrument for Pressure, 24V dc source, described low liquid level warning lamp and liquid level control switch utilize the height of content gauge sensed water level, when water level in water storage box is during in low water stage, water injecting electromagnetic valve is opened automatically to water storage box water filling, simultaneously low-water alarm, in the time that in water storage box, water level reaches high water level, water injecting electromagnetic valve is automatically closed and is stopped to water storage box water filling, simultaneously high water-level alarm, realize to the control of water storage box automatic water-supply, intelligent digital Instrument for Pressure directly shows the detection signal of water-supply-pipe pressure transmitter, the pressure showing according to intelligent digital Instrument for Pressure, regulates pump rotary speed by frequency converter, required water-supply-pipe pressure while being adjusted to normal production, controlling electric energy instrument is by the electric energy loss of the current sensor timing monitoring bitumenpump installed on bitumenpump, while starting to produce, the circulation solenoid valve for water on pipeloop is opened automatically, automatically closes to the water injecting electromagnetic valve of asphalt foaming pipe water filling, in the time that controlling electric energy instrument detects that the electric energy loss of bitumenpump increases, automatically open to the water injecting electromagnetic valve of asphalt foaming pipe water filling, close the circulation solenoid valve for water on pipeloop simultaneously, in the time that controlling electric energy instrument detects that the electric energy loss of bitumenpump reduces, automatically close to the water injecting electromagnetic valve of asphalt foaming pipe water filling, open the circulation solenoid valve for water on pipeloop simultaneously, realize automatic foaming control, 24V dc source is electric apparatus control apparatus power supply.
2. pitch warm mix foamed system according to claim 1, is characterized in that: described nozzle bore presents symmetrical on flow distribution plate flange, and the partial amt of its distributed quantity and flow distribution plate lug boss is consistent.
3. pitch warm mix foamed system according to claim 2, is characterized in that: described nozzle bore is two, flow distribution plate lug boss is two.
4. according to the pitch warm mix foamed system described in claim 1-3 any one, it is characterized in that: described lug boss is for semicircle.
5. pitch warm mix foamed system according to claim 1, is characterized in that: the inner chamber of described nozzle is funnel-form.
6. pitch warm mix foamed system according to claim 1, is characterized in that: described level sensor is float-ball type hydraulic selector.
7. pitch warm mix foamed system according to claim 1, is characterized in that: the connection of nozzle and water injection pipe adopts and is threaded.
8. pitch warm mix foamed system according to claim 1, is characterized in that: on described water storage box, be provided with access door, access door is positioned at the upper end of water storage box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420236300.5U CN203846368U (en) | 2014-05-09 | 2014-05-09 | Asphalt warm-mixing foaming system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420236300.5U CN203846368U (en) | 2014-05-09 | 2014-05-09 | Asphalt warm-mixing foaming system |
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| Publication Number | Publication Date |
|---|---|
| CN203846368U true CN203846368U (en) | 2014-09-24 |
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| CN201420236300.5U Withdrawn - After Issue CN203846368U (en) | 2014-05-09 | 2014-05-09 | Asphalt warm-mixing foaming system |
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| Country | Link |
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| CN (1) | CN203846368U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104355568A (en) * | 2014-10-15 | 2015-02-18 | 江苏东交工程设计顾问有限公司 | Micro-foamed warm mix asphalt mixture as well as preparation method and equipment thereof |
| CN104532721A (en) * | 2014-12-31 | 2015-04-22 | 西安达刚路面机械股份有限公司 | Foamed asphalt generation spraying system |
| CN114517434A (en) * | 2022-03-15 | 2022-05-20 | 河南省光大路桥工程有限公司 | Plant mixing device system packaged with asphalt foaming |
-
2014
- 2014-05-09 CN CN201420236300.5U patent/CN203846368U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104355568A (en) * | 2014-10-15 | 2015-02-18 | 江苏东交工程设计顾问有限公司 | Micro-foamed warm mix asphalt mixture as well as preparation method and equipment thereof |
| CN104532721A (en) * | 2014-12-31 | 2015-04-22 | 西安达刚路面机械股份有限公司 | Foamed asphalt generation spraying system |
| CN114517434A (en) * | 2022-03-15 | 2022-05-20 | 河南省光大路桥工程有限公司 | Plant mixing device system packaged with asphalt foaming |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140924 Effective date of abandoning: 20170531 |
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| AV01 | Patent right actively abandoned |