CN109355999B - Asphalt foaming equipment and foaming method - Google Patents
Asphalt foaming equipment and foaming method Download PDFInfo
- Publication number
- CN109355999B CN109355999B CN201811493212.2A CN201811493212A CN109355999B CN 109355999 B CN109355999 B CN 109355999B CN 201811493212 A CN201811493212 A CN 201811493212A CN 109355999 B CN109355999 B CN 109355999B
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- asphalt
- foaming
- valve
- conveying pipeline
- cavity
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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
-
- 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
- E01C19/1059—Controlling the operations; Devices solely for supplying or proportioning the ingredients
- E01C19/1063—Controlling the operations
-
- 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
- E01C19/1059—Controlling the operations; Devices solely for supplying or proportioning the ingredients
- E01C19/1068—Supplying or proportioning the ingredients
- E01C19/1077—Supplying or proportioning the ingredients the liquid ingredients
-
- 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
- E01C2019/1081—Details not otherwise provided for
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Machines (AREA)
Abstract
The invention provides asphalt foaming equipment and a foaming method, wherein the asphalt foaming equipment comprises a plurality of foaming cavities, high-pressure water conveying pipelines and asphalt conveying pipelines which are independently arranged, the high-pressure water conveying pipelines and the asphalt conveying pipelines are communicated with the foaming cavities, feeding ports from the high-pressure water conveying pipelines and the asphalt conveying pipelines to the foaming cavities are sequentially arranged and mutually communicated, asphalt valves are arranged on the asphalt conveying pipelines between two adjacent foaming cavities, and fluid valves respectively used for controlling the water paths of the foaming cavities to be on and off are arranged on the high-pressure water conveying pipelines. The foaming cavities can be used for foaming simultaneously or independently, and different numbers of foaming cavities can be controlled to foam according to the proportion of asphalt added when the asphalt stirring equipment is used, so that the foaming cavities can be matched with asphalt stirring equipment with different yields for use; meanwhile, the flow of asphalt and water can be controlled through the asphalt butterfly valve and the electromagnetic flow valve, so that the contact area of asphalt foaming is controlled, and the adjustable asphalt foaming amount is realized.
Description
Technical Field
The invention relates to the technical field of asphalt foaming equipment, in particular to asphalt foaming equipment and an asphalt foaming method.
Background
At present, the requirements of the country on the environment-friendly performance of asphalt stirring equipment are higher and higher, the production of asphalt mixture is carried out by using foamed asphalt, the energy consumption of the equipment can be reduced, the material drying temperature can be effectively reduced, the energy is saved, meanwhile, the blue smoke of finished products can be reduced, the environment is protected, and the asphalt stirring equipment is suitable for the fields with higher requirements on energy conservation and environment protection.
In the prior art, the asphalt foaming equipment applied to the field of warm mixing equipment generally has only one foaming cavity, or a plurality of foaming cavities are formed, but each foaming cavity cannot be independently foamed, so that matching adjustment cannot be carried out according to the proportion of asphalt required to be added when the asphalt mixing equipment is used, and the use is inconvenient.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide asphalt foaming equipment and a foaming method, wherein the asphalt foaming quantity can be adjusted, and the asphalt foaming equipment and the foaming method can be matched with asphalt mixing equipment with different yields.
The invention adopts the following technical scheme:
The utility model provides an asphalt foaming equipment, including a plurality of foaming chamber that independently set up, be connected with water supply system and be used for to each foaming chamber water supply's high-pressure water delivery line and be connected with pitch supply system and be used for to each foaming chamber carry pitch's pitch delivery line, high-pressure water delivery line and pitch delivery line are linked together with each foaming chamber, and high-pressure water delivery line, pitch delivery line sets up in order and communicates each other to each foaming chamber's feed inlet, be provided with the pitch valve on the pitch delivery line between two adjacent foaming chambers, be provided with the fluid valve that is used for controlling every foaming chamber water route break-make respectively on the high-pressure water delivery line.
Further, the asphalt valve adopts an asphalt butterfly valve.
Further, electromagnetic flow valves for controlling the water supply flow rate of each foaming cavity are arranged on the high-pressure water conveying pipeline.
Further, the high-pressure water conveying pipeline is connected with a water supply system through a variable-frequency water pump.
Further, the asphalt foaming equipment also comprises an automatic control system, and the automatic control system is connected with and controls an asphalt butterfly valve, an electromagnetic flow valve and a variable-frequency water pump.
Further, each foaming cavity is respectively provided with an independent discharge opening and a discharge valve for controlling the opening and closing of the discharge opening.
Further, the asphalt foaming equipment further comprises an equipment frame, and the foaming cavity is fixedly arranged on the equipment frame.
Further, the asphalt foaming equipment comprises a first foaming cavity, a second foaming cavity, a third foaming cavity and a fourth foaming cavity which are respectively and independently arranged, a first fluid valve, a second fluid valve, a third fluid valve and a fourth fluid valve which are respectively used for controlling the water paths of the foaming cavities to be on-off are arranged on the high-pressure water conveying pipeline, a first asphalt valve is arranged on the asphalt conveying pipeline between the first foaming cavity and the second foaming cavity, a second asphalt valve is arranged on the asphalt conveying pipeline between the second foaming cavity and the third foaming cavity, and a third asphalt valve is arranged on the asphalt conveying pipeline between the third foaming cavity and the fourth foaming cavity.
An asphalt foaming method based on the asphalt foaming equipment comprises the following steps:
① Setting the number of foaming cavities to be foamed in an automatic control system according to the proportion of asphalt added when the asphalt stirring equipment is used;
② The automatic control system is used for controlling the opening of the asphalt butterfly valve and the fluid valve corresponding to the foaming cavity, controlling the opening of the asphalt butterfly valve and the opening of the electromagnetic flow valve, adjusting the flow of asphalt through the asphalt butterfly valve to control the contact area of asphalt foaming, and adjusting the water supply quantity through the electromagnetic flow valve to match the change of the asphalt quantity, so that the adjustable asphalt foaming quantity is realized;
③ And discharging the materials into asphalt stirring equipment after foaming.
Further, in the foaming process, the automatic control system can automatically control the variable-frequency water pump to adjust the water pressure of the high-pressure water conveying pipeline.
As can be seen from the above description of the present invention, compared with the prior art, the present invention has the following beneficial effects:
By arranging a plurality of foaming cavities and arranging an asphalt valve and a fluid valve which are correspondingly used for controlling the foaming cavities respectively, the foaming cavities can be used for foaming simultaneously or independently, and when the asphalt mixing device is used, the foaming cavities with different numbers can be controlled to foam according to the proportion of asphalt added when the asphalt mixing device is used, so that the asphalt mixing device can be matched with asphalt mixing devices with different yields to use; meanwhile, the flow of asphalt can be adjusted through an asphalt butterfly valve so as to control the contact area of asphalt foaming, realize quantitative foaming, and the water supply amount can be adjusted through an electromagnetic flow valve so as to match the change of the asphalt amount, so that the adjustable asphalt foaming amount is realized; the high-pressure water conveying pipeline is connected with a water supply system through a variable-frequency water pump, so that automatic water supplementing and automatic water pressure adjustment can be realized. The device can be applied to traditional intermittent asphalt warm mixing equipment, can also be applied to continuous asphalt foaming equipment, is more convenient to use, and is more energy-saving and environment-friendly.
Drawings
FIG. 1 is a perspective view of the overall structure of an embodiment of the present invention;
FIG. 2 is a perspective view of the overall structure of the embodiment of the present invention with the upper closure plate removed;
Fig. 3 is an enlarged view at a in fig. 2.
In the figure: 1. the system comprises a frame, a first foaming cavity, a second foaming cavity, a third foaming cavity, a fourth foaming cavity, a high-pressure water conveying pipeline, a high-pressure water inlet, a 7-pitch conveying pipeline, a 70-pitch inlet, a 8-first pitch butterfly valve, a 9-second pitch butterfly valve, a 10-third pitch butterfly valve, a 11-first fluid valve, a 12-second fluid valve, a 13-third fluid valve, a 14-fourth fluid valve, a 15-first electromagnetic flow valve, a 16-second electromagnetic flow valve, a 17-third electromagnetic flow valve and a 18-fourth electromagnetic flow valve.
Detailed Description
The invention is further described below by means of specific embodiments.
Referring to fig. 1 to 3, the asphalt foaming apparatus of the present invention comprises an apparatus frame 1, four first foaming chambers 2, a second foaming chamber 3, a third foaming chamber 4, a fourth foaming chamber 5 which are fixedly arranged on the apparatus frame 1 and are respectively and independently arranged, a high-pressure water conveying pipeline 6 which is connected with a water supply system and is used for supplying water to each foaming chamber, an asphalt conveying pipeline 7 which is connected with an asphalt supply system and is used for conveying asphalt to each foaming chamber, and an automatic control system, wherein each foaming chamber is respectively provided with an independent discharge opening and a discharge valve used for controlling the opening and closing of the discharge opening. The top of the equipment frame is provided with an upper sealing plate.
The asphalt conveying pipelines 7 are communicated with the foaming cavities, the asphalt inlets of the asphalt conveying pipelines 7 to the foaming cavities are sequentially arranged and communicated with each other, a first asphalt butterfly valve 8 is arranged on the asphalt conveying pipeline 7 between the first foaming cavity 2 and the second foaming cavity 3, a second asphalt butterfly valve 9 is arranged on the asphalt conveying pipeline 7 between the second foaming cavity 3 and the third foaming cavity 4, and a third asphalt butterfly valve 10 is arranged on the asphalt conveying pipeline 7 between the third foaming cavity 4 and the fourth foaming cavity 5. An asphalt inlet 70 of the asphalt delivery line 7 is provided at the front end of the first foaming chamber 2. The high-pressure water conveying pipeline 6 is communicated with each foaming cavity, water inlets from the high-pressure water conveying pipeline 6 to each foaming cavity are sequentially arranged and communicated with each other, and the high-pressure water conveying pipeline 6 is provided with a first fluid valve 11, a second fluid valve 12, a third fluid valve 13 and a fourth fluid valve 14 which are respectively used for controlling water passage on-off of each foaming cavity, and a first electromagnetic flow valve 15, a second electromagnetic flow valve 16, a third electromagnetic flow valve 17 and a fourth electromagnetic flow valve 18 which are respectively used for controlling water supply flow of each foaming cavity. The high-pressure water inlet 60 of the high-pressure water delivery pipeline 6 is arranged at the front end of the first foaming cavity 2. The high-pressure water conveying pipeline 6 is connected with a water supply system through a variable-frequency water pump. The automatic control system is connected with and controls each asphalt butterfly valve, each electromagnetic flow valve and the variable-frequency water pump.
The foaming form of the asphalt foaming device adopts asphalt and high-pressure water to mix and foam. The high-pressure water conveying pipeline 6 supplies water to the foaming cavity through two water inlets on two sides of the foaming cavity, nozzles are arranged at the two water inlets, a rectifying piece for rectifying asphalt is arranged at the asphalt inlet of the foaming cavity, the rectifying piece is a circular sheet-shaped body formed with circular middle holes for asphalt to pass through, two convex semicircular rectifying parts distributed circumferentially are formed on the wall of the middle holes, and the two nozzles are perpendicular to the asphalt flow direction. When asphalt enters the foaming cavity, the asphalt is shaped by the rectifying piece, asphalt beams form a concave part matched with the shaping part, and a nozzle in the concave part just sprays water to the concave surface, so that the contact area of water and asphalt can be increased, the mixing efficiency and the mixing uniformity are improved, and the foaming efficiency of asphalt is improved. The above technical solution is the prior art, and is not shown in the figure.
Referring to fig. 1 to 3, the asphalt foaming method based on the asphalt foaming apparatus of the present invention comprises the steps of:
① Setting the number of foaming cavities required to be foamed in an automatic control system according to the mass ratio of asphalt added when the asphalt stirring equipment is used;
Through four foaming cavities, the asphalt foaming device can be matched with equipment with the asphalt adding proportion within the range of 2% -10%. When the mass ratio of the added asphalt is 2-4%, opening the first fluid valve 11; when the mass ratio of the added asphalt is 4-6%, opening a first fluid valve 11, a second fluid valve 12 and a first asphalt butterfly valve 8; when the mass ratio of the added asphalt is 6-8%, opening a first fluid valve 11, a second fluid valve 12, a third fluid valve 13, a first asphalt butterfly valve 8 and a second asphalt butterfly valve 9; when the mass ratio of the added asphalt is 8-10%, the first fluid valve 11, the second fluid valve 12, the third fluid valve 13, the fourth fluid valve 14, the first asphalt butterfly valve 8, the second asphalt butterfly valve 9 and the third asphalt butterfly valve 10 are opened.
② The automatic control system is used for controlling the opening of the asphalt butterfly valve and the fluid valve corresponding to the foaming cavity, controlling the opening of the asphalt butterfly valve and the opening of the electromagnetic flow valve, adjusting the flow of asphalt through the asphalt butterfly valve to control the contact area of asphalt foaming, and adjusting the water supply quantity through the electromagnetic flow valve to match the change of the asphalt quantity, so that the adjustable asphalt foaming quantity is realized; in the foaming process, the automatic control system can automatically control the variable-frequency water pump, so that automatic water supplementing and automatic water pressure adjustment are realized.
③ After foaming is finished, a discharge valve corresponding to the foaming cavity is opened to discharge the foaming asphalt into the asphalt stirring equipment.
The foregoing is merely one specific embodiment of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modification of the present invention by using the concept shall belong to the behavior of infringement of the protection scope of the present invention.
Claims (2)
1. An asphalt foaming method based on asphalt foaming equipment is characterized by comprising the following steps of: the asphalt foaming equipment comprises a plurality of foaming cavities which are independently arranged, a high-pressure water conveying pipeline which is connected with a water supply system and used for supplying water to each foaming cavity, and an asphalt conveying pipeline which is connected with the asphalt supply system and used for conveying asphalt to each foaming cavity, wherein the high-pressure water conveying pipeline and the asphalt conveying pipeline are communicated with each foaming cavity, the high-pressure water conveying pipeline and the asphalt conveying pipeline are sequentially arranged and mutually communicated with the feeding ports of each foaming cavity, an asphalt valve is arranged on the asphalt conveying pipeline between two adjacent foaming cavities, and a fluid valve which is respectively used for controlling the water way on-off of each foaming cavity is arranged on the high-pressure water conveying pipeline; each foaming cavity is provided with an independent discharge opening and a discharge valve for controlling the opening and closing of the discharge opening respectively; the foaming cavity is fixedly arranged on the equipment frame; the high-pressure water conveying pipeline is provided with a first fluid valve, a second fluid valve, a third fluid valve and a fourth fluid valve which are respectively used for controlling the water paths of the foaming cavities to be on-off, the asphalt conveying pipeline between the first foaming cavity and the second foaming cavity is provided with a first asphalt valve, the asphalt conveying pipeline between the second foaming cavity and the third foaming cavity is provided with a second asphalt valve, and the asphalt conveying pipeline between the third foaming cavity and the fourth foaming cavity is provided with a third asphalt valve; the asphalt valve adopts an asphalt butterfly valve; the high-pressure water conveying pipeline is provided with electromagnetic flow valves respectively used for controlling the water supply flow of each foaming cavity; the high-pressure water conveying pipeline is connected with a water supply system through a variable-frequency water pump; the automatic control system is connected with and controls the asphalt butterfly valve, the electromagnetic flow valve and the variable-frequency water pump; the asphalt foaming method is implemented based on asphalt foaming equipment and comprises the following steps: ① Setting the number of foaming cavities to be foamed in an automatic control system according to the proportion of asphalt added when the asphalt stirring equipment is used; ② The automatic control system is used for controlling the opening of the asphalt butterfly valve and the fluid valve corresponding to the foaming cavity, controlling the opening of the asphalt butterfly valve and the opening of the electromagnetic flow valve, adjusting the flow of asphalt through the asphalt butterfly valve to control the contact area of asphalt foaming, and adjusting the water supply quantity through the electromagnetic flow valve to match the change of the asphalt quantity, so that the adjustable asphalt foaming quantity is realized; ③ And discharging the materials into asphalt stirring equipment after foaming.
2. A method of foaming asphalt as defined in claim 1, wherein: in the foaming process, the automatic control system can automatically control the variable-frequency water pump and adjust the water pressure of the high-pressure water conveying pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811493212.2A CN109355999B (en) | 2018-12-07 | 2018-12-07 | Asphalt foaming equipment and foaming method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811493212.2A CN109355999B (en) | 2018-12-07 | 2018-12-07 | Asphalt foaming equipment and foaming method |
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| Publication Number | Publication Date |
|---|---|
| CN109355999A CN109355999A (en) | 2019-02-19 |
| CN109355999B true CN109355999B (en) | 2024-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811493212.2A Active CN109355999B (en) | 2018-12-07 | 2018-12-07 | Asphalt foaming equipment and foaming method |
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| CN (1) | CN109355999B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113123193B (en) * | 2021-04-15 | 2022-06-07 | 福建省铁拓机械股份有限公司 | Asphalt multi-pipe foaming system and process |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209243507U (en) * | 2018-12-07 | 2019-08-13 | 福建铁拓机械有限公司 | A kind of asphalt foaming machine |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2748970B2 (en) * | 1996-10-02 | 1998-05-13 | コンストラクション ソター インコーポレーテッド | Nozzle equipment for foam door asphalt manufacturing equipment |
| JP3976407B2 (en) * | 1998-08-07 | 2007-09-19 | 株式会社小松エスト | Method and apparatus for manufacturing foam door bitumen |
| CN104612024A (en) * | 2015-02-13 | 2015-05-13 | 福建铁拓机械有限公司 | Asphalt foaming device |
| CN108660894B (en) * | 2018-06-04 | 2020-12-25 | 内蒙古工业大学 | Asphalt foaming equipment with modular design and automatic control system thereof |
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2018
- 2018-12-07 CN CN201811493212.2A patent/CN109355999B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209243507U (en) * | 2018-12-07 | 2019-08-13 | 福建铁拓机械有限公司 | A kind of asphalt foaming machine |
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| CN109355999A (en) | 2019-02-19 |
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| PB01 | Publication | ||
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| CB02 | Change of applicant information |
Address after: 362000 No.1 intelligent equipment Industrial Park, Luojiang District, Heshi Town, Luojiang District, Quanzhou City, Fujian Province Applicant after: Fujian tietuo Machinery Co.,Ltd. Address before: 362000 West Industrial Zone, Luojiang District, Fujian, Quanzhou Applicant before: FUJIAN TIETUO MACHINERY Co.,Ltd. |
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| CB02 | Change of applicant information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wang Junfeng Inventor after: Wang Zhao Inventor before: Wang Junfeng Inventor before: Dang Senji Inventor before: Wang Zhao |
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