CN206981043U - A kind of high-pressure atomization type asphalt foaming experimental rig - Google Patents
A kind of high-pressure atomization type asphalt foaming experimental rig Download PDFInfo
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- CN206981043U CN206981043U CN201720720566.0U CN201720720566U CN206981043U CN 206981043 U CN206981043 U CN 206981043U CN 201720720566 U CN201720720566 U CN 201720720566U CN 206981043 U CN206981043 U CN 206981043U
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Abstract
A kind of high-pressure atomization type asphalt foaming experimental rig, including high-pressure foam waterway mechanism, foaming shower nozzle and pitch circulation line mechanism；The high-pressure foam waterway mechanism is provided with foaming water route, atomizer and pneumohydraulic pressure-cylinder, and the foaming water route output end connection atomizer, the pneumohydraulic pressure-cylinder is connected with foaming water route to control the foaming water of output atomization；The pitch circulation line mechanism is provided with circulation line, bitumenpump and switching valve, and the bitumenpump is installed on circulation line to control unlatching pitch to circulate, and the switching valve is connected with circulation line and foaming shower nozzle to control pitch to enter foaming shower nozzle；The foaming shower nozzle is connected pitch and the uniform mixed foaming of atomization foaming water with atomizer and discharges foamed asphalt.The utility model device can and guide production and construction in the using effect for the high-pressure atomization type asphalt foaming machine that laboratory simulation engineering uses.High-pressure atomization type asphalt foaming machine system is improved, is advantageous to the marketing of high-pressure atomization type asphalt foaming machine.
Description
Technical field
The utility model belongs to road construction machinery field, is to coordinate the auxiliary for completing plate form rubber construction technology
A kind of system, and in particular to high-pressure atomization type asphalt foaming experimental rig.
Background technology
Foamed asphalt is the product after asphalt foaming, and after the pitch of high temperature mixes with water, volume drastically expands, and viscosity is temporary transient
Decline, it is easily mixed and stirred compound.Currently, it is adapted to the construction technology of foamed asphalt to have a Local Cold Regenerating Technology, plantmix is cold again
Raw technology, foamed asphalt warm mix technology etc..
The common preparation method of foamed asphalt has 3 kinds：Air atomizing Water blown, low pressure atomizing Water blown, high-pressure atomization water
Foaming.The foam characteristics of foamed asphalt prepared by every kind of method are had nothing in common with each other.
Compared with other several foamed asphalt preparation methods, high-pressure atomization foaming has advantages below：1st, water high-pressure atomization,
Ensure uniform in foaming；2nd, uniform trickle asphalt foam (trickle vesicle, specific surface area is bigger, and it mixes and stirs better)；3rd, send out
The energy of bubble is concentrated mainly on waterborne, and pitch does not need pressure, can slow down the abrasion of pitch jet pump；4th, because pressure is very high,
(operating) water nozzle will not be blocked by pitch, exempt to clear up and safeguard.
Such as：The asphalt foaming shower nozzle of Wei Tegen foamed asphalt cold renewal equipment and the pitch of its foamed asphalt testing machine
Foaming, nozzle structure is the same, and foam theory is all air atomizing water, it is possible to instructs engineer applied exactly with testing machine.
Also the high-pressure atomization Water blown equipment of some in the market, but tried without high-pressure atomization type asphalt foaming
Experiment device can be used for instructing engineer applied, and the general testing machine with air-atomizing type substitutes.
Utility model content
Main purpose of the present utility model is to overcome drawbacks described above of the prior art, proposes a kind of high-pressure atomization type drip
Blue or green frothing test device, complete model engineering are applied upper high-pressure atomization type asphalt foaming machine, tested by this experimental rig
The mix-design of plate form rubber, construction technology design etc. are completed in room, can more perfectly instruct high-pressure atomization type pitch
The production of foaming machine.
The utility model adopts the following technical scheme that：
A kind of high-pressure atomization type asphalt foaming experimental rig, it is characterised in that：Including high-pressure foam waterway mechanism, foaming spray
Head and pitch circulation line mechanism；The high-pressure foam waterway mechanism is provided with foaming water route, atomizer and pneumohydraulic pressure-cylinder, the hair
Soaked road output end connects atomizer, and the pneumohydraulic pressure-cylinder is connected with foaming water route to control the foaming water of output atomization；Should
Pitch circulation line mechanism is provided with circulation line, bitumenpump and switching valve, and the bitumenpump is installed on circulation line to be opened with controlling
Open pitch to circulate, the switching valve is connected with circulation line and foaming shower nozzle to control pitch to enter foaming shower nozzle；The foaming
Shower nozzle is connected pitch and the uniform mixed foaming of atomization foaming water with atomizer and discharges foamed asphalt.
Preferably, the foaming shower nozzle includes foaming water inlet, pitch import, foam chamber and mixing nozzle；The foaming water
Import is connected with the atomizer；The pitch water inlet is connected with the switching valve；The foam chamber and the foaming water inlet, drip
Blue or green import is connected with mixing nozzle；The mixing nozzle is provided with some apertures with spray foam pitch.
Preferably, the foaming water inlet is located at the hair positioned at the foaming shower nozzle top middle portion, the pitch import
Steep shower nozzle sidepiece.
Preferably, the foam chamber is provided with the contractile ring and expansion loop that some alternatings are connected.
Preferably, the high-pressure foam waterway mechanism also includes water pot, the first check valve, the second check valve；The water pot with
The foaming water route input is connected；First check valve be installed on the foaming water route and with the pneumohydraulic pressure-cylinder input
It is connected；Second check valve is installed on the foaming water route to be connected with the pneumohydraulic pressure-cylinder output end；The pneumohydraulic pressure-cylinder
Provided with piston with control suction foaming water or will foaming water supercharging after export.
Preferably, the pitch circulation line mechanism also includes asphalt tank and filter, and the asphalt tank is connected to described
Circulation line input；The filter is connected on circulation line and positioned at the input of the bitumenpump.
Preferably, the high-pressure foam waterway mechanism, the foaming shower nozzle and the pitch circulation line mechanism are equipped with
Heating and heat-insulating device and temperature measuring equipment.
From above-mentioned to description of the present utility model, compared with prior art, the utility model has following beneficial to effect
Fruit：
1st, the utility model device, the metered injection of foaming water is realized by pneumohydraulic pressure-cylinder action, using atomization
Nozzle realizes the high-pressure atomization of foaming water, and by foaming yield 50-100g/s foaming shower nozzle in laboratory
The using effect for the high-pressure atomization type asphalt foaming machine that model engineering uses, and guides production and construction.
2nd, the foaming shower nozzle of the utility model use mixing nozzle, its foam chamber are provided with the contractile ring that some alternatings are connected
And expansion loop, the contractile ring and expansion loop are becket, and contractile ring internal diameter is less than expansion loop internal diameter, realize two sections or multistage
" contraction-expansion-contraction " is to realize full and uniform mixed foaming.
3rd, all parts such as high-pressure foam waterway mechanism of the present utility model, pitch circulation line mechanism and foaming shower nozzle are equal
Provided with heating and heat-insulating device and temperature measuring equipment, for realizing heating and thermal insulation, to ensure foaming effect.
4th, device of the present utility model, high-pressure atomization type asphalt foaming is exclusively used in, effectively improves high-pressure atomization type pitch hair
Equipment system is steeped, is advantageous to the marketing of high-pressure atomization type asphalt foaming machine.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present utility model.
Fig. 2 is high-pressure atomization type asphalt foaming nozzle structure schematic diagram of the present utility model.
Drawing reference numeral is described as follows：
10th, high-pressure foam waterway mechanism 11, water pot
12a, the first check valve 12b, the second check valve
13rd, pneumohydraulic pressure-cylinder 14, atomizer
20th, pitch circulation line mechanism 21, asphalt tank
22nd, filter 23, bitumenpump
24th, switching valve 30, foaming shower nozzle
31st, foaming water inlet 32, pitch import
33rd, foam chamber 34, mixing nozzle
35th, temperature measuring equipment 36, heating and heat-insulating device.
Embodiment
Below by way of embodiment, the utility model will be further described.
Reference picture 1, Fig. 2, a kind of high-pressure atomization type asphalt foaming experimental rig, including high-pressure foam waterway mechanism 10, hair
Steep shower nozzle 30, pitch circulation line mechanism 20, compressed air mechanism etc..The high-pressure foam waterway mechanism 10 is provided with water pot 11, the
One check valve 12a, the second check valve 12b, foaming water route, atomizer 14 and pneumohydraulic pressure-cylinder 13 etc..The foaming water route inputs
End connection water pot 11, output end connection atomizer 14.First check valve 12a is installed on the foaming water route and is located at water pot
Between 11 and the input of pneumohydraulic pressure-cylinder 13.Second check valve 12b is installed on the foaming water route and is located at pneumohydraulic pressure-cylinder
Between 13 output ends and atomizer 14.The pneumohydraulic pressure-cylinder 13 is connected with foaming water route and compressed air mechanism, and it, which is provided with, lives
Stopper rod is set to shrink or stretch out control suction foaming water or output will be atomized to atomizer 14 after foaming water supercharging, in it
There is the fluid chamber for accommodating foaming water and the piston rod is located in the fluid chamber.The atomizer 14 is Miniature atomized nozzle 14, its
End outlet direction is arranged to flow to pitch identical.The pneumohydraulic pressure-cylinder 13 is by changing operating pressure, by foaming water adjustment
Moisture content to required for experiment, the pressure after foaming water supercharging is 400-100bar.
The pitch circulation line mechanism 20 is provided with circulation line, bitumenpump 23, switching valve 24, asphalt tank 21 and filter 22
Deng circulation line input connection asphalt tank 21.The bitumenpump 23 is installed on circulation line opens pitch circulation to control
Flowing, the filter 22 are connected on circulation line and positioned at the input of bitumenpump 23.The switching valve 24 is located at bitumenpump 23
Output end, it is connected with circulation line and foaming shower nozzle 30 to control pitch to enter foaming shower nozzle 30.The switching valve 24 is commutation
Valve, the asphalt tank 21 are controllable temperature asphalt tank.
The foaming shower nozzle 30 is connected with atomizer 14 uniformly mixes, foams and discharges foam by pitch and atomization foaming water
Pitch.Specifically, foaming shower nozzle 30 includes foaming water inlet 31, pitch water inlet 32, foam chamber 33 and mixing nozzle 34.The hair
Soaked import 31 is connected positioned at the foaming top middle portion of shower nozzle 30 and with atomizer 14.The pitch water inlet is positioned at foaming shower nozzle 30
Sidepiece and it is connected with switching valve 24.The foam chamber 33 is connected with the foaming water inlet, pitch import 32 and mixing nozzle 34, foaming
The contractile ring and expansion loop that chamber 33 is connected by some alternatings are formed, and the contractile ring and expansion loop are becket, and contractile ring internal diameter
Less than expansion loop internal diameter, realize " contraction-expansion-contraction " of two sections or multistage.The mixing nozzle 34 is provided with some apertures to spray
Penetrate foamed asphalt.Above-mentioned atomizer 14 inserts the foaming water inlet 31 and accessed in foam chamber 33, and foam the yield of shower nozzle 30
For 50-100g/s.
Water pot 11, foaming water route, atomizer 14, the pneumohydraulic pressure-cylinder 13 of high-pressure foam waterway mechanism 10；Pitch circulates
All portions such as circulation line, bitumenpump 23, switching valve 24, asphalt tank 21, filter 22 and the foaming shower nozzle 30 of pipeline mechanism 20
Part is equipped with heating and heat-insulating device 36 and temperature measuring equipment 35, for realizing heating and thermal insulation.
The experiment of high-pressure atomization type asphalt foaming is carried out using the utility model to comprise the following steps
1) preparation is as follows：Pitch is first heated to 120 DEG C or so with baking oven, becomes liquid, is then turned on heating
Attemperator 36 carries out being heated to temperature and the insulation set to each part, connects compressed air mechanism, the topped up with water of water pot 11.It is logical
Cross and change the operating pressure of pneumohydraulic pressure-cylinder 13 to adjust foaming water to required moisture content.The pitch heated is poured into asphalt tank
In 21, pitch can be heated to temperature needed for experiment in asphalt tank 21 and be in keeping warm mode.
2) bitumenpump 23 is opened, switching valve 24 is closed, and pitch is circulated on circulation line to asphalt tank
21, the first check valve 12a are opened, and the second check valve 12b is closed, and the piston rod of control pneumohydraulic pressure-cylinder 13 shrinks, then gas-liquid increases
The suction foaming water of cylinder pressure 13；
3) when opening foaming, the piston rod of control pneumohydraulic pressure-cylinder 13 is stretched out, and the first check valve 12a is closed, and second is unidirectional
Valve 12b is opened, and output to atomizer 14 after the foaming water supercharging in pneumohydraulic pressure-cylinder 13 is atomized, the foaming water of atomization
Into foaming shower nozzle 30；
4) be also turned on switching valve 24 make circulation line pitch enter foaming shower nozzle 30, have certain flow rate pitch and
Atomization foaming water full and uniform mixed foaming in foam chamber 33 that pressure is 40-100bar, and pass through the small of mixing nozzle 34
In hole discharge foamed asphalt to batch box.
Foamed time of the present utility model can be set, and after foaming terminates, the piston rod of pneumohydraulic pressure-cylinder 13 shrinks, and first
Check valve 12a is opened, and the second check valve 12b is closed, and the foaming water of water pot 11 sucks the fluid chamber of pneumohydraulic pressure-cylinder 13 again, with
Foamed for next time.
Specific embodiment of the present utility model is above are only, but design concept of the present utility model is not limited thereto,
All changes for carrying out unsubstantiality to the utility model using this design, all should belong to the row for invading scope of protection of the utility model
For.
Claims (7)
- A kind of 1. high-pressure atomization type asphalt foaming experimental rig, it is characterised in that：Including high-pressure foam waterway mechanism, foaming shower nozzle With pitch circulation line mechanism；The high-pressure foam waterway mechanism is provided with foaming water route, atomizer and pneumohydraulic pressure-cylinder, the foaming Water route output end connection atomizer, the pneumohydraulic pressure-cylinder are connected with foaming water route to control the foaming water of output atomization；The drip Blue or green circulation line mechanism is provided with circulation line, bitumenpump and switching valve, and the bitumenpump is installed on circulation line to be opened with controlling Pitch circulates, and the switching valve is connected with circulation line and foaming shower nozzle to control pitch to enter foaming shower nozzle；The foaming is sprayed Head is connected pitch and the uniform mixed foaming of atomization foaming water with atomizer and discharges foamed asphalt.
- A kind of 2. high-pressure atomization type asphalt foaming experimental rig as claimed in claim 1, it is characterised in that：The foaming shower nozzle Including foaming water inlet, pitch import, foam chamber and mixing nozzle；The foaming water inlet is connected with the atomizer；The drip Blue or green water inlet is connected with the switching valve；The foam chamber is connected with the foaming water inlet, pitch import and mixing nozzle；The mixing Nozzle is provided with some apertures with spray foam pitch.
- A kind of 3. high-pressure atomization type asphalt foaming experimental rig as claimed in claim 2, it is characterised in that：The foaming water enters Mouth is positioned at the foaming shower nozzle top middle portion, and the pitch import is positioned at the foaming shower nozzle sidepiece.
- A kind of 4. high-pressure atomization type asphalt foaming experimental rig as claimed in claim 2, it is characterised in that：The foam chamber is set There are some alternatings connected contractile ring and expansion loop.
- A kind of 5. high-pressure atomization type asphalt foaming experimental rig as claimed in claim 1, it is characterised in that：The high-pressure foam Waterway mechanism also includes water pot, the first check valve, the second check valve；The water pot is connected with the foaming water route input；This One check valve is installed on the foaming water route and is connected with the pneumohydraulic pressure-cylinder input；Second check valve is installed on the hair Pneumohydraulic pressure-cylinder output end is connected described in soaked Lu Shangyu；The pneumohydraulic pressure-cylinder is provided with piston to control suction foaming water or incite somebody to action Exported after foaming water supercharging.
- A kind of 6. high-pressure atomization type asphalt foaming experimental rig as claimed in claim 1, it is characterised in that：The pitch follows Endless tube road mechanism also includes asphalt tank and filter, and the asphalt tank is connected to the circulation line input；The filter connects It is connected on circulation line and positioned at the input of the bitumenpump.
- A kind of 7. high-pressure atomization type asphalt foaming experimental rig as claimed in claim 1, it is characterised in that：The high-pressure foam Waterway mechanism, the foaming shower nozzle and the pitch circulation line mechanism are equipped with heating and heat-insulating device and temperature measuring equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720720566.0U CN206981043U (en) | 2017-06-20 | 2017-06-20 | A kind of high-pressure atomization type asphalt foaming experimental rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720720566.0U CN206981043U (en) | 2017-06-20 | 2017-06-20 | A kind of high-pressure atomization type asphalt foaming experimental rig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206981043U true CN206981043U (en) | 2018-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720720566.0U Active CN206981043U (en) | 2017-06-20 | 2017-06-20 | A kind of high-pressure atomization type asphalt foaming experimental rig |
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| CN (1) | CN206981043U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107138307A (en) * | 2017-06-20 | 2017-09-08 | 福建南方路面机械有限公司 | A kind of high-pressure atomization type asphalt foaming experimental rig and method |
-
2017
- 2017-06-20 CN CN201720720566.0U patent/CN206981043U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107138307A (en) * | 2017-06-20 | 2017-09-08 | 福建南方路面机械有限公司 | A kind of high-pressure atomization type asphalt foaming experimental rig and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 362000 Fujian province Quanzhou Fengze District High-tech Industrial Park Sports Street No. 700 Patentee after: Fujian Nanfang pavement machinery Co., Ltd Address before: 362000 Fujian province Quanzhou Fengze District High-tech Industrial Park Sports Street No. 700 Patentee before: FUJIAN SOUTH HIGHWAY MACHINERY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |