CN114517434A - Plant mixing device system packaged with asphalt foaming - Google Patents
Plant mixing device system packaged with asphalt foaming Download PDFInfo
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- CN114517434A CN114517434A CN202210252015.1A CN202210252015A CN114517434A CN 114517434 A CN114517434 A CN 114517434A CN 202210252015 A CN202210252015 A CN 202210252015A CN 114517434 A CN114517434 A CN 114517434A
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- foaming
- water
- pitch
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- 239000010426 asphalt Substances 0.000 title claims abstract description 190
- 238000005187 foaming Methods 0.000 title claims abstract description 108
- 238000002156 mixing Methods 0.000 title claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 130
- 238000004064 recycling Methods 0.000 claims abstract description 22
- 238000003756 stirring Methods 0.000 claims abstract description 20
- 238000005303 weighing Methods 0.000 claims abstract description 19
- 238000007599 discharging Methods 0.000 claims abstract description 13
- 238000010438 heat treatment Methods 0.000 claims description 14
- 238000011084 recovery Methods 0.000 claims description 14
- 239000006260 foam Substances 0.000 claims description 12
- 239000000945 filler Substances 0.000 claims description 11
- 230000001681 protective effect Effects 0.000 claims description 8
- 238000011068 loading method Methods 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 6
- 239000007921 spray Substances 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 7
- 238000013012 foaming technology Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 239000000203 mixture Substances 0.000 description 6
- 101100298222 Caenorhabditis elegans pot-1 gene Proteins 0.000 description 5
- 239000008346 aqueous phase Substances 0.000 description 3
- 238000010924 continuous production Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000007689 inspection Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000000109 continuous material Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 235000015110 jellies Nutrition 0.000 description 1
- 239000008274 jelly Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/02—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for preparing the materials
- E01C19/10—Apparatus or plants for premixing or precoating aggregate or fillers with non-hydraulic binders, e.g. with bitumen, with resins, i.e. producing mixtures or coating aggregates otherwise than by penetrating or surface dressing; Apparatus for premixing non-hydraulic mixtures prior to placing or for reconditioning salvaged non-hydraulic compositions
- E01C19/1013—Plant characterised by the mode of operation or the construction of the mixing apparatus; Mixing apparatus
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/02—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for preparing the materials
- E01C19/08—Apparatus for transporting and heating or melting asphalt, bitumen, tar, or the like
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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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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Machines (AREA)
Abstract
The application relates to the field of asphalt foaming technology, in particular to a plant mixing device system packaged with asphalt foaming, which comprises: the asphalt feeding weighing module comprises a feeding pipe, an asphalt tank, a discharging pipe, an asphalt pump and an asphalt three-way valve which are connected in sequence, and at least three groups of weighing sensors are arranged at the bottom of the asphalt tank around the circumference of the asphalt tank; the water adding module comprises a water tank, a water suction pipe, a metering pump and a water delivery pipe which are connected in sequence; the foaming module comprises an asphalt pipe, a plurality of first foaming units sequentially connected to the asphalt pipe, and a pair of water feeding pipes respectively connected to two sides of the first foaming units, wherein the water feeding pipes are connected to the water conveying pipe, and the asphalt pipe is connected to the asphalt three-way valve; the recycling module comprises a recycling pipe connected to the tail end of the asphalt pipe and an asphalt recycling valve arranged on the recycling pipe, and one end of the recycling pipe, far away from the asphalt pipe, is connected to the asphalt three-way valve; the stirring pot and the foaming module are arranged inside the stirring pot. This application has the effect that reduces foamed asphalt plant mixing equipment cost, promotes foamed asphalt efficiency.
Description
Technical Field
The application relates to the field of asphalt foaming technology, in particular to a plant mixing device system packaged with asphalt foaming.
Background
The foamed asphalt technology is characterized by that when the hot asphalt is met with a certain proportion of cold water, the volume of asphalt can be quickly expanded by 10-20 times so as to obtain vaporization and form a large quantity of asphalt foams. The viscosity of the expanded and atomized foamed asphalt is reduced, the surface area of the foamed asphalt is greatly increased, and the foamed asphalt is fully coated with aggregates such as stones in the paving asphalt mixture to form jelly, so that the granular asphalt materials are bonded together. Compared with the traditional mode of heating asphalt into liquid state and then coating the liquid asphalt with asphalt mixture, the asphalt mixing machine greatly reduces the consumption of asphalt and can also improve the adhesive force of the asphalt mixture, thereby improving the bearing capacity of asphalt pavement and effectively preventing pavement from cracking.
At present, the mainstream of domestic regenerated base application is to adopt imported equipment to regenerate foamed asphalt or adopt an intermittent asphalt mixing station to refit to produce a regenerated mixture. However, the foam asphalt equipment and the mixing equipment of the imported equipment are difficult to be designed together in an integrated manner, which results in the disadvantages of high cost, low productivity, complex process and the like.
Disclosure of Invention
In order to reduce the cost of foamed asphalt plant mixing equipment and improve the production efficiency of foamed asphalt, the application provides a plant mixing device system packaged with asphalt foaming.
The application provides a plant mixing device system packaged with asphalt foaming, which adopts the following technical scheme:
a plant mixing device system encapsulated with asphalt foam, comprising:
the asphalt loading and weighing module comprises a feeding pipe, an asphalt tank, a discharging pipe, an asphalt pump and an asphalt three-way valve which are sequentially connected, wherein at least three groups of weighing sensors are arranged at the bottom of the asphalt tank around the circumference of the asphalt tank;
the water adding module comprises a water tank, a water suction pipe, a metering pump and a water delivery pipe which are connected in sequence;
the foaming module comprises an asphalt pipe, a plurality of first foaming units sequentially connected to the asphalt pipe, and a pair of water feeding pipes respectively connected to two sides of the first foaming units, wherein the water feeding pipes are connected to the water conveying pipe, and the asphalt pipe is connected to the asphalt three-way valve;
the recycling module comprises a recycling pipe connected to the tail end of the asphalt pipe and an asphalt recycling valve arranged on the recycling pipe, and one end, far away from the asphalt pipe, of the recycling pipe is connected to the asphalt three-way valve;
the stirring kettle, the foaming module all set up in inside the stirring kettle.
By adopting the technical scheme, under the matching of the asphalt feeding weighing module, the water adding module, the foaming module, the recovery module and the stirring pot, in the production process, the change of the asphalt weight in the asphalt tank is monitored through the matching of the asphalt tank and the weighing sensor, so that the accurate metering and control of the asphalt in the continuous feeding process can be carried out, through the matching of the water tank and the metering pump, the water flow is metered and controlled in the continuous feeding process, and the matching of the asphalt pipe and the water adding pipe enters the first foaming unit to be mutually excited to form the foamed asphalt, and the foamed asphalt is directly excited to enter the stirring pot to be mixed with aggregate after being formed, so that the continuous production of the foamed asphalt is realized, through the integrated design of the foamed asphalt plant mixing equipment, the production cost is reduced, the production capacity of the foamed asphalt is improved, and the accurate matching of the asphalt and the water is ensured, after the production is finished, the asphalt in the asphalt pipe flows back to enter the asphalt tank for storage through the recovery pipe and the asphalt three-way valve by opening the asphalt recovery valve.
Preferably, the heating module comprises a first heat exchange tube and a second heat exchange tube, the first heat exchange tube and the second heat exchange tube are used for introducing heat conduction oil, the first heat exchange tube is spirally arranged in the asphalt tank, the second heat exchange tube is arranged in the asphalt tank, and the second heat exchange tube is communicated with the first heat exchange tube.
Through adopting above-mentioned technical scheme, through setting up heating module, make first heat exchange tube and second heat exchange tube set up respectively in pitch jar and pitch intraductal, heat the pitch in the pitch jar through the conduction oil, at the mobile in-process of the continuous material loading of pitch, guaranteed the viscosity and the mobility of pitch, and heat the pitch of pitch intraductal through the second heat exchange tube, guarantee the temperature of pitch when arousing with the aqueous phase, promote foamed asphalt's foaming effect.
Preferably, the heating module further comprises a first sleeve pipe sleeved outside the feeding pipe, a second sleeve pipe sleeved outside the discharging pipe, a first connecting pipe connected to the second sleeve pipe and the asphalt pump, and a second connecting pipe connected to the asphalt pump and the asphalt three-way valve, the second heat exchange pipe is connected to the asphalt three-way valve, and two ends of the first heat exchange pipe are respectively communicated with the first sleeve pipe and the second sleeve pipe.
By adopting the technical scheme, the feeding pipe and the discharging pipe are respectively coated with the first sleeve and the second sleeve, so that the heat conduction oil heats and preserves the heat of the asphalt in the feeding pipe and the discharging pipe in the flowing process, and the heat loss of the asphalt in the transportation process is reduced.
Preferably, the foaming module still including connect in the pitch pipe just is located the outside second foaming unit of agitated kettle, first foaming unit including communicate in the foaming chamber of pitch socle portion, fixed mounting in pitch socle portion just is used for sealing the driving cylinder of opening between pitch pipe and the foaming chamber, set up respectively in foaming chamber both sides just connect respectively in a pair of shower nozzle of filler pipe, second foaming unit including communicate in the foaming chamber of pitch socle portion, fixed mounting in pitch socle portion just is used for sealing the driving cylinder of opening between pitch pipe and the foaming chamber, set up respectively in foaming chamber both sides just connect respectively in a pair of shower nozzle of filler pipe, set up in the shower nozzle with control valve between the filler pipe.
Through adopting the above technical scheme, under the cooperation of foaming chamber, the driving cylinder, the shower nozzle, the back is flowed into in the pitch pipe to pitch, open the opening between foaming chamber and the pitch pipe through the driving cylinder, make pitch can get into the foaming chamber immediately, and under the cooperation of filler pipe and shower nozzle, make pitch and aqueous phase arouse the back and get into in the agitator kettle immediately through the foaming chamber and mix the stirring with the base-material, reduce the decay rate after the pitch foaming, and set up first foaming unit and second foaming unit respectively inside the agitator kettle and the agitator kettle outside, when needs take a sample to the foam pitch inspection, through opening the control valve and the driving cylinder of second foaming unit, make pitch and water form the foam pitch in the foaming chamber of second foaming unit, the staff of being convenient for in time takes a sample and detects the operation.
Preferably, the water adding module further comprises a return pipe communicated between the water pipe and the water tank, a return pump arranged on the return pipe, a pressure transmitter arranged on the water pipe, and a water level gauge arranged on the water tank.
Through adopting above-mentioned technical scheme, set up back flow and backwash pump and cooperate to detect the water pressure in the transfer pipe through pressure transmitter, so that control raceway and add the intraductal water pressure of water, guarantee the proportion between water and the pitch, promote pitch foaming effect, through set up the fluviograph on the water tank, so that detect the water level of retaining in the water tank, in time annotate in the water tank, guarantee the continuity of pitch foaming.
Preferably, a water adding electromagnetic valve and a check valve are sequentially connected between the water delivery pipe and the water adding pipe along the water flow direction.
Through adopting above-mentioned technical scheme, set up between raceway and filler pipe and add water solenoid valve and check valve to in to adding the water yield in the water pipe and controlling, and prevent that water from taking place the phenomenon of backward flow, guarantee the water pressure of shower nozzle department.
Preferably, the foaming module is still located including the cover the protecting crust of pitch pipe, first foaming unit with the filler pipe all set up in the protecting crust, just the protecting crust bottom is equipped with the opening that supplies first foaming unit discharge end to stretch out.
Through adopting above-mentioned technical scheme, at the outside cladding protecting crust of foaming module to make pitch pipe, filler pipe and the shower nozzle that is located the agitator kettle protect, and the staff of being convenient for maintains the spare part in the protecting crust.
Preferably, the recycling module further comprises a high-pressure gas source connected to the end of the asphalt pipe.
Through adopting above-mentioned technical scheme, under the cooperation of high pressurized air source and recovery tube, when needing to retrieve the intraductal surplus pitch of pitch, open the back with pitch recovery valve, let in high pressurized air source in the pitch pipe, under the gas pressure drive, pitch can flow back more fast, and is cleaner to the intraductal surplus pitch clearance of pitch.
Preferably, agitated kettle one side level is equipped with the mounting bracket, the pitch jar with the water tank is followed agitated kettle length direction fixed mounting in the mounting bracket top, water tank top level is equipped with the support frame, the support frame with it is fixed through a plurality of bracing pieces between the mounting bracket, pitch pump and the equal fixed mounting of pitch three-way valve in the support bracket top.
Through adopting above-mentioned technical scheme, through setting up the mounting bracket, set up pitch material loading weighing module and the module of adding water on the mounting bracket in unison to integrate the design with foaming module and agitated kettle, make the assembly more convenient, the transportation is more nimble.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the continuous production of the foamed asphalt can be realized, the production energy of the foamed asphalt is improved, the production cost is reduced through the integrated design of the foamed asphalt plant mixing equipment, and the matching accuracy of the asphalt and the water is ensured;
2. by arranging the heating module, the viscosity and the fluidity of the asphalt are ensured, the temperature of the asphalt when the asphalt is excited with a water phase is ensured, and the foaming effect of the foamed asphalt is improved;
3. under the matching of a high-pressure air source and the recovery pipe, the residual asphalt in the asphalt pipe is convenient to recover, the recovery effect is better, and the cleaning is cleaner;
4. the asphalt feeding weighing module and the water adding module are uniformly arranged on the mounting frame, and the foaming module and the stirring pot are integrally designed, so that the assembly is more convenient and the transportation is more flexible.
Drawings
Fig. 1 is a schematic view of the overall structure of the present embodiment.
FIG. 2 is a schematic view showing the structure of the asphalt tank in this embodiment.
Fig. 3 is a schematic structural diagram of the foaming module in this embodiment.
Fig. 4 is a schematic structural diagram of the recycling module in this embodiment.
Fig. 5 is a schematic structural diagram of the water adding module in this embodiment.
Fig. 6 is a schematic structural view of the heating module in the present embodiment.
Description of the reference numerals: 1. a stirring pot; 2. an asphalt feeding weighing module; 3. a heating module; 4. a water adding module; 5. a foaming module; 6. a recovery module; 7. a mounting frame; 8. a support frame; 9. a support bar; 10. a feed pipe; 11. an asphalt tank; 12. a discharge pipe; 13. an asphalt pump; 14. an asphalt three-way valve; 15. a weighing sensor; 16. a discharge pipe; 17. a discharge valve; 18. an asphalt pipe; 19. a first foaming unit; 20. a second foaming unit; 21. a water feeding pipe; 22. a connecting member; 23. a foaming chamber; 24. a drive cylinder; 25. a spray head; 26. a control valve; 27. a protective shell; 28. an opening; 29. a recovery pipe; 30. an asphalt recovery valve; 31. a high pressure gas source; 32. a water tank; 33. a suction pipe; 34. a metering pump; 35. a water delivery pipe; 36. a return pipe; 37. a reflux pump; 38. a pressure transmitter; 39. a water level gauge; 40. a water inlet; 41. a water adding electromagnetic valve; 42. a check valve; 43. a first heat exchange tube; 44. a second heat exchange tube; 45. a third heat exchange tube; 46. a first sleeve; 47. a second sleeve; 48. a first connecting pipe; 49. a second connecting pipe.
Detailed Description
The present application is described in further detail below with reference to figures 1-6.
The embodiment of the application discloses a plant mixing device system packaged with asphalt foaming. Referring to fig. 1 to 6, the plant mixing device system packaged with asphalt foaming comprises a stirring pot 1, an asphalt feeding weighing module 2, a heating module 3, a water adding module 4, a foaming module 5 and a recycling module 6, wherein the foaming module 5 is arranged inside the stirring pot 1, and the heating module 3 is used for heating and insulating asphalt in the asphalt feeding weighing module 2 and the foaming module 5.
1 side level of agitator kettle is equipped with mounting bracket 7, pitch material loading weighing module 2 and module 4 of adding water all set up in mounting bracket 7 top, and arrange in proper order along 1 length direction of agitator kettle, the level is equipped with support frame 8 above water tank 32, support frame 8 four corners department all with the mounting bracket 7 between fixed through bracing piece 9, unify pitch material loading weighing module 2 and module 4 of adding water and set up on mounting bracket 7, and integrate the design with foaming module 5 and agitator kettle 1, make the assembly more convenient, it is more nimble to transport.
Pitch material loading weighing module 2 includes inlet pipe 10, pitch jar 11, discharging pipe 12, pitch pump 13, pitch three-way valve 14, pitch jar 11 sets up to cylindrical and fixed mounting in mounting bracket 7 for preferred, evenly be equipped with three fulcrum around pitch jar 11 circumference between pitch jar 11 bottom and the mounting bracket 7, and all be equipped with weighing sensor 15 between every fulcrum, inlet pipe 10 and discharging pipe 12 communicate respectively in pitch jar 11 top, and discharging pipe 12 stretches into in the pitch jar 11 and extends to the bottom, pitch jar 11 bottom intercommunication has discharge tube 16, be equipped with discharge valve 17 on the discharge tube 16.
The foaming module 5 comprises an asphalt pipe 18 penetrating through the stirring kettle 1 along the horizontal direction, a plurality of first foaming units 19 sequentially connected to the asphalt pipe 18 along the length direction of the asphalt pipe 18, a second foaming unit 20 connected to one end, close to the water tank 32, of the asphalt pipe 18, and a pair of water feeding pipes 21 respectively connected to two sides of the first foaming units 19, one end, close to the water tank 32, of the asphalt pipe 18 is communicated with a second through hole of the asphalt three-way valve 14, and the two water feeding pipes 21 are respectively located on two sides above the asphalt pipe 18 and are fixedly connected with the asphalt pipe 18 through connecting pieces 22;
The first foaming units 19 are all located inside the stirring pot 1, and each first foaming unit 19 comprises a foaming cavity 23 communicated with the bottom of the asphalt pipe 18, a driving cylinder 24 fixedly installed at the top of the asphalt pipe 18 and used for sealing a through opening between the asphalt pipe 18 and the foaming cavity 23, and a pair of spray heads 25 respectively arranged on two sides of the foaming cavity 23 and respectively connected to the water adding pipe 21.
The second foaming unit 20 is located outside the stirring kettle 1, and the second foaming unit 20 includes a foaming cavity 23 communicated with the bottom of the asphalt pipe 18, a driving cylinder 24 fixedly installed on the top of the asphalt pipe 18 and used for sealing a through opening between the asphalt pipe 18 and the foaming cavity 23, a pair of spray heads 25 respectively arranged on two sides of the foaming cavity 23 and respectively connected to the water feeding pipe 21, and a control valve 26 arranged between the spray heads 25 and the water feeding pipe 21.
Under the cooperation of foaming chamber 23, actuating cylinder 24, shower nozzle 25, behind the pitch inflow pitch pipe 18, open the opening between foaming chamber 23 and pitch pipe 18 through actuating cylinder 24, make pitch can get into in the foaming chamber 23 immediately, and under the cooperation of filler pipe 21 and shower nozzle 25, make pitch and aqueous phase arouse the back and get into in agitated kettle 1 through foaming chamber 23 immediately and mix the stirring with the base-material, reduce the decay rate after the pitch foaming, and set up first foaming unit 19 and second foaming unit 20 respectively in agitated kettle 1 inside and agitated kettle 1 outside, when needing to carry out sample inspection to foamed pitch, through opening control valve 26 and actuating cylinder 24 of second foaming unit 20, make pitch and water form foamed pitch in the foaming chamber 23 of second foaming unit 20, the staff in time sample detection operation of being convenient for.
For protecting the part of the foaming module 5 located in the stirring pot 1, the foaming module 5 further comprises a protective shell 27 covering the asphalt pipe 18, the first foaming unit 19 and the water adding pipe 21 are both arranged in the protective shell 27, and the bottom of the protective shell 27 is provided with an opening 28 extending out of the bottom end of the foaming cavity 23 of the first foaming unit 19. So that the asphalt pipe 18, the water feeding pipe 21 and the spray head 25 in the stirring kettle 1 are protected and the maintenance of the parts in the protective shell 27 is convenient for the workers.
The recycling module 6 comprises a recycling pipe 29 connected to the tail end of the asphalt pipe 18, an asphalt recycling valve 30 arranged on the recycling pipe 29, and a high-pressure air source 31 connected to the end part of the asphalt pipe 18. The end of the recovery pipe 29 remote from the bitumen pipe 18 is connected to a third port of the bitumen three-way valve 14. When needs retrieve the remaining pitch in the pitch pipe 18, open the back with pitch recovery valve 30, let in high-pressure gas source 31 in pitch pipe 18, under the gas pressure drive, pitch can flow back more fast, and is cleaner to the remaining pitch clearance in the pitch pipe 18.
The water adding module 4 comprises a water tank 32, a water suction pipe 33, a metering pump 34, a water pipe 35, a return pipe 36, a return pump 37, a pressure transmitter 38 and a water level meter 39, wherein the water tank 32 is fixedly installed at the top of the installation frame 7, the water level meter 39 is installed at the top of the water tank 32 so as to detect the water level of water stored in the water tank 32, a water inlet 40 is formed at the top of the water tank 32, the water suction pipe 33 is connected to the position, close to the bottom, of the side wall of the water tank 32, the water suction pipe 33, the metering pump 34 and the water pipe 35 are sequentially connected along the water flow direction, one end, far away from the metering pump 34, of the water pipe 35 is provided with a Y-shaped tee joint, the two water adding pipes 21 are respectively connected to two ports of the water pipe 35, a water adding electromagnetic valve 41 and a check valve 42 are sequentially connected between the port of the water pipe 35 and the water adding pipe 21 along the water flow direction, the pressure transmitter 38 is arranged on the water pipe 35, and the water pressure in the water pipe is detected through the pressure transmitter 38, so as to control the water pressure in the water delivery pipe 35 and the water feeding pipe 21, a return pipe 36 is communicated between the water delivery pipe 35 and the water tank 32, and a return pump 37 is disposed on the return pipe 36.
The heating module 3 comprises a first heat exchange tube 43 for introducing heat conduction oil, a second heat exchange tube 44, a third heat exchange tube 45, a first sleeve 46, a second sleeve 47, a first connecting tube 48 and a second connecting tube 49, wherein the first sleeve 46 is sleeved outside the feeding tube 10, the first heat exchange tube 43 is spirally arranged in the asphalt tank 11 around the axis of the asphalt tank 11, the second sleeve 47 is sleeved outside the discharging tube 12, two ends of the first heat exchange tube 43 are respectively communicated with the first sleeve 46 and the second sleeve 47, two ends of the first connecting tube 48 are respectively communicated with oil inlets of the second sleeve 47 and the asphalt pump 13, and two ends of the second connecting tube 49 are respectively communicated with an oil outlet of the asphalt pump 13 and an oil inlet of the asphalt three-way valve 14.
The second heat exchange tube 44 and the third heat exchange tube 45 are arranged in the asphalt tube 18 along the length direction of the asphalt tube 18, the second heat exchange tube 44 and the third heat exchange tube 45 are respectively arranged at two sides of the bottom in the asphalt tube 18, the second heat exchange tube 44 is connected to an oil outlet of the asphalt three-way valve 14, one end of the second heat exchange tube 44, which is far away from the asphalt three-way valve 14, is communicated with the third heat exchange tube 45, and the third heat exchange tube 45 is communicated with the first sleeve 46 after passing through the heat conduction oil heater.
The heat conduction oil forms a circulating heat exchange loop in the first sleeve 46, the first heat exchange pipe 43, the second sleeve 47, the first connecting pipe 48, the asphalt pump 13, the second connecting pipe 49, the asphalt three-way valve 14, the second heat exchange pipe 44 and the third heat exchange pipe 45, the viscosity and the fluidity of asphalt are guaranteed in the continuous asphalt feeding and flowing process, the temperature of the asphalt when the asphalt is excited by a water phase is guaranteed, and the foaming effect of foamed asphalt is improved.
The plant mixing device system packaged with asphalt foaming in the embodiment of the application has the implementation principle that:
in the production process, the change of the weight of the asphalt in the asphalt tank 11 is monitored through the matching of the asphalt tank 11 and the weighing sensor 15, so that the asphalt can be accurately metered and controlled in the continuous feeding process, the metering and control of water flow are performed through the matching of the water tank 32 and the metering pump 34, the matching of the asphalt pipe 18 and the water adding pipe 21 enters the first foaming unit 19 to be mutually excited to form foamed asphalt, the foamed asphalt is directly excited to enter the stirring pot 1 to be mixed with aggregate after being formed, the continuous production of the foamed asphalt is realized, the production cost is reduced through the integrated design of foamed asphalt plant mixing equipment, the production energy of the foamed asphalt is improved, the accuracy of the ratio of the asphalt and the water is ensured, after the production is finished, after the asphalt recovery valve 30 is opened, the high-pressure air source 31 is introduced into the asphalt pipe 18, and under the driving of air pressure, the asphalt can flow back more quickly and clean the residual asphalt in the asphalt pipe 18.
The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (9)
1. A plant mixing device system packaged with asphalt foaming is characterized by comprising:
the asphalt loading and weighing module (2) comprises a feeding pipe (10), an asphalt tank (11), a discharging pipe (12), an asphalt pump (13) and an asphalt three-way valve (14) which are connected in sequence, wherein at least three groups of weighing sensors (15) are arranged at the bottom of the asphalt tank (11) around the circumferential direction of the asphalt tank;
the water adding module (4) comprises a water tank (32), a water suction pipe (33), a metering pump (34) and a water delivery pipe (35) which are connected in sequence;
the foaming module (5) comprises an asphalt pipe (18), a plurality of first foaming units (19) which are sequentially connected to the asphalt pipe (18), and a pair of water feeding pipes (21) which are respectively connected to two sides of the first foaming units (19), wherein the water feeding pipes (21) are connected to the water conveying pipe (35), and the asphalt pipe (18) is connected to the asphalt three-way valve (14);
the recycling module (6) comprises a recycling pipe (29) connected to the tail end of the asphalt pipe (18) and an asphalt recycling valve (30) arranged on the recycling pipe (29), and one end, far away from the asphalt pipe (18), of the recycling pipe (29) is connected to the asphalt three-way valve (14);
the stirring kettle (1), foaming module (5) all set up in inside stirring kettle (1).
2. The asphalt foaming encapsulated plant mixing device system of claim 1, further comprising: heating module (3), heating module (3) are including first heat exchange tube (43) and second heat exchange tube (44) that are used for letting in the conduction oil, first heat exchange tube (43) be the heliciform set up in pitch jar (11), second heat exchange tube (44) set up in pitch pipe (18), just second heat exchange tube (44) communicate in first heat exchange tube (43).
3. The plant mixing system encapsulated with asphalt foam of claim 2, wherein: heating module (3) are still located including the cover inlet pipe (10) outside first sleeve pipe (46), the cover is located discharging pipe (12) outside second sleeve pipe (47), connect in second sleeve pipe (47) with first connecting pipe (48) of pitch pump (13), connect in pitch pump (13) with second connecting pipe (49) between pitch three-way valve (14), second heat exchange tube (44) connect in pitch three-way valve (14), first heat exchange tube (43) both ends communicate respectively in first sleeve pipe (46) and second sleeve pipe (47).
4. The plant mixing device system encapsulated with asphalt foam of claim 1, wherein: foaming module (5) still including connect in pitch pipe (18) and be located the outside second foaming unit (20) of agitated kettle (1), first foaming unit (19) including communicate in foaming chamber (23), fixed mounting in pitch pipe (18) top just is used for sealing drive cylinder (24) of opening between pitch pipe (18) and foaming chamber (23), set up respectively in foaming chamber (23) both sides just connect respectively in a pair of shower nozzle (25) of filler pipe (21), second foaming unit (20) including communicate in foaming chamber (23), fixed mounting in pitch pipe (18) bottom just are used for sealing drive cylinder (24) of opening between pitch pipe (18) and the foaming chamber (23), set up respectively in foaming chamber (23) both sides just connect respectively in a pair of shower nozzle (25) of filler pipe (21), And a control valve (26) disposed between the spray head (25) and the water supply pipe (21).
5. The plant mixing system encapsulated with asphalt foam of claim 1, wherein: the water adding module (4) further comprises a return pipe (36) communicated between the water conveying pipe (35) and the water tank (32), a return pump (37) arranged on the return pipe (36), a pressure transmitter (38) arranged on the water conveying pipe (35), and a water level meter (39) arranged on the water tank (32).
6. The plant mixing system encapsulated with asphalt foam of claim 1, wherein: a water adding electromagnetic valve (41) and a check valve (42) are sequentially connected between the water delivery pipe (35) and the water adding pipe (21) along the water flow direction.
7. The plant mixing system encapsulated with asphalt foam of claim 1, wherein: foaming module (5) are still located including the cover protective housing (27) of pitch pipe (18), first foaming unit (19) and filler pipe (21) all set up in protective housing (27), just protective housing (27) bottom is equipped with opening (28) that supply first foaming unit (19) discharge end to stretch out.
8. The plant mixing system encapsulated with asphalt foam of claim 1, wherein: the recovery module (6) further comprises a high pressure gas source (31) connected to the end of the bitumen pipe (18).
9. The plant mixing system encapsulated with asphalt foam of claim 1, wherein: agitated kettle (1) one side level is equipped with mounting bracket (7), pitch jar (11) with water tank (32) are followed agitated kettle (1) length direction fixed mounting in mounting bracket (7) top, water tank (32) top level is equipped with support frame (8), support frame (8) with it is fixed through a plurality of bracing pieces (9) between mounting bracket (7), pitch pump (13) and the equal fixed mounting in pitch three-way valve (14) in support frame (8) top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210252015.1A CN114517434A (en) | 2022-03-15 | 2022-03-15 | Plant mixing device system packaged with asphalt foaming |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210252015.1A CN114517434A (en) | 2022-03-15 | 2022-03-15 | Plant mixing device system packaged with asphalt foaming |
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| CN114517434A true CN114517434A (en) | 2022-05-20 |
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| CN202210252015.1A Pending CN114517434A (en) | 2022-03-15 | 2022-03-15 | Plant mixing device system packaged with asphalt foaming |
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Inventor after: Cheng Haiying Inventor after: Wei Fangqian Inventor after: Li Lingyun Inventor before: Wei Fangqian Inventor before: Li Lingyun |
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Effective date of registration: 20220808 Address after: 457000 in yard 23, Kaizhou South Road, Puyang City, Henan Province Applicant after: HENAN GUANGDA ROAD AND BRIDGE ENGINEERING Co.,Ltd. Applicant after: CHANG'AN University Address before: 457000 in yard 23, Kaizhou South Road, Puyang City, Henan Province Applicant before: HENAN GUANGDA ROAD AND BRIDGE ENGINEERING Co.,Ltd. |