CN201664600U - Rubber asphalt heating mixed melting device - Google Patents

Rubber asphalt heating mixed melting device Download PDF

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Publication number
CN201664600U
CN201664600U CN2010201637809U CN201020163780U CN201664600U CN 201664600 U CN201664600 U CN 201664600U CN 2010201637809 U CN2010201637809 U CN 2010201637809U CN 201020163780 U CN201020163780 U CN 201020163780U CN 201664600 U CN201664600 U CN 201664600U
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Prior art keywords
mixing tank
rubber asphalt
heating mixing
heating
communicated
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Expired - Lifetime
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CN2010201637809U
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Chinese (zh)
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周其强
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Individual
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Individual
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Abstract

The utility model discloses a rubber asphalt heating mixed melting device, which has advantages of fast and uniform heating mixed melting of rubber powder added into base asphalt in large amount. The utility model comprises a heating mixed melting can body and a heating device. An upper and lower end enclosure are disposed on the heating mixed melting can body, on which are fixed two tube plates. Between the two tube plates are disposed a pipe-array inner liners, and the heating mixed melting can body is provided with a jacket layer, which is provided with at least two communication openings connected with the can body. The communication openings are disposed between the two tube plates. After passing through the pipe-array inner liner, the heat exchange between the rubber asphalt and the hot liquid media can increase the size of heat exchange area and improve the heat exchange efficiency. Meanwhile, the uneven heating of the rubber asphalt can be prevented, because the rubber asphalt in the pipe-array inner liner has a small size, but a large heating surface.

Description

Rubber asphalt heating mixing device
Technical field
The utility model relates to a kind of rubber asphalt and heats miscible device, especially the heating mixing equipment of high Erbium-doped amount adding rubber powder in matrix pitch.
Background technology
Rubber asphalt is the mixture by the blending of the junked tire of matrix pitch, recovery and some additive, contains the rubber of mixture gross mass 15% at least, and fully reaction and make the rubber grain swelling in the matrix pitch of heat.Existing rubber asphalt mode of heating is that rubber grain and matrix pitch are directly placed holding vessel, adopts naked light heating storage tank body.The heating of employing naked light, store the tank body inequality of being heated, cause a part of rubber asphalt owing to the overheated quality that influences easily, now begun to adopt horizontal heating tank that the rubber asphalt holding vessel is heated, be provided with pipeline in this horizontal heating tank, fill with conduction oil in the pipeline, with the conduction oil is that thermal medium heats the pitch in the holding vessel jar, after adopting this scheme, because conduction oil directly burns the rubber asphalt better effects if that tank body is produced as the mode of heating of thermal medium than naked light, energy consumption reduces, but still has following shortcoming: the one, and the heating required time is long, production efficiency is low, does not satisfy high efficiency production demand; The 2nd, rubber asphalt is heated inhomogeneous in heating process, influences quality of finished.
The utility model content
The purpose of this utility model provides a kind of uniform rubber asphalt heating mixing device of fast, the mixed heat of mixing speed that heats.
In order to solve the problems of the technologies described above, the utility model provides following technical scheme:
A kind of rubber asphalt heating mixing device, comprise heating mixing tank 1 and heater, heating mixing tank 1 is provided with upper cover 2 and low head 3, be fixed with upper and lower two tube sheets 4 in the described heating mixing tank 1, be provided with tubulation inner bag 5 between the described tube sheet 4, described heating mixing tank 1 is provided with chuck layer 6, and described chuck layer 6 is provided with at least two connected entrances 7 with heating mixing tank 1 internal communication, and described connected entrance 7 is between two tube sheets 6.
Described heating mixing tank 1 is provided with expansion bellow 8.
Described upper cover 2 is a hemispherical, and described low head 3 is taper.
Described heating mixing tank 1 is communicated with the export and import of circulation bitumenpump 9 by upper cover 2 and low head 3 respectively.
The heater of described rubber asphalt heating mixing device also is provided with a heat conducting oil boiler 10 that is communicated with chuck layer 6, and described heat conducting oil boiler 10 is communicated with Heat-transfer Oil Pump 11.
The top of described rubber asphalt heating mixing device also is provided with at least one mixing tank 12, described mixing tank 12 is communicated with heating mixing tank 1, described mixing tank 12 comprises housing 13, be provided with in the housing 13 and stir main shaft 15 and sieve plate 17, stir main shaft 15 ends and be provided with agitator arm 16, housing 13 tops also are provided with motor 14, and motor 14 turning cylinders are connected with stirring main shaft 15.
Described rubber asphalt heating mixing device also is provided with vavuum pump 18, also is provided with exhaust outlet on the housing 13 of described mixing tank, and described exhaust outlet is communicated with the air inlet of vavuum pump 18, and the gas outlet of described vavuum pump 18 is communicated with the burning jet pipe.
Described rubber asphalt heating mixing device also is provided with condenser 19, and described condenser 19 is communicated with exhaust outlet on the mixing tank 12, and the gas outlet of described condenser 19 is connected to vacuum tank 20, and the gas outlet of described vacuum tank 20 is communicated with the air inlet of vavuum pump 18.
Described mixing tank 12 is provided with mixing tank chuck layer, and described mixing tank chuck layer is communicated with the chuck layer 6 of heating mixing tank.
As the equivalent embodiment of the utility model rubber asphalt heating mixing device, can be according to actual needs, the quantity of mixing tank is reduced to one, also can increase one or more again.
The beneficial effect of the utility model rubber asphalt heating mixing device is:
Rubber asphalt heating mixing device of the present utility model, comprise heating mixing tank and heater thereof, described heating mixing tank is provided with upper cover and low head, be fixed with two tube sheets up and down in the described heating mixing tank, be provided with the tubulation inner bag between the last lower perforated plate, described heating mixing tank is provided with the chuck layer, and described chuck layer is provided with at least two connected entrances with heating mixing tank internal communication, and described connected entrance is between two tube sheets.The utility model adopts heating mixing jar that rubber asphalt is heated, and is provided with the tubulation inner bag in heating mixing tank, and rubber asphalt is passed through behind the tubulation inner bag and the heat exchange of hydrothermal solution medium, and heat exchange area increases, and has improved firing rate; Simultaneously, the tubulation inner bag is split into the less tributary of volume with rubber asphalt, has avoided the rubber asphalt uneven phenomenon of being heated.
As the further improvement of the utility model rubber asphalt heating mixing device, on heating mixing tank, at least one expansion bellow can also be set, the coefficient of expansion that produces because of expanding with heat and contract with cold between balance heating mixing tank and tubulation inner bag is poor; Upper cover is a hemispherical, helps avoiding causing the junction to disconnect because the thermal stress of heat exchanger makes upper cover produce deformation, and low head is taper, helps the automatic collection of material; Heating mixing tank is communicated with the export and import of circulation bitumenpump by upper cover and low head respectively, can make pitch circulation heating in heating mixing tank, raises the efficiency, and reduces energy consumption; The heater of heating mixing tank comprises a heat conducting oil boiler that is communicated with the chuck layer, and described heat conducting oil boiler is provided with Heat-transfer Oil Pump, can make conduction oil have higher temperature also to be pressed in the heat conducting oil boiler smoothly; Described heating mixing tank top is communicated with at least one mixing tank, described mixing tank comprises housing, case top is provided with motor, motor rotation axis is connected with the stirring main shaft, stir spindle nose and be provided with agitator arm, be provided with sieve plate in the described housing, by turnup, the kneading action of impeller and sieve plate, eliminate the caking that produces in the mixing process when utilizing the material deadweight; Also be provided with exhaust outlet on the described mixing tank, described exhaust outlet is communicated with the air inlet of vavuum pump, and the gas outlet of described vavuum pump is communicated with the burning jet pipe, adopts vavuum pump to be communicated with mixing tank, can make to keep certain negative pressure in the mixing tank, extracts waste gas out; Exhaust outlet on the described mixing tank is connected to condenser, the gas outlet of described condenser is connected to vacuum tank, the gas outlet of described vacuum tank is communicated with the air inlet of vavuum pump, utilize condenser the useful light oil in the waste gas can be recycled, simultaneously, utilize vacuum tank to regulate the air pressure that vavuum pump acts on mixing tank; Described mixing tank is provided with mixing tank chuck layer, and described mixing tank chuck layer is communicated with the chuck layer, and the conduction oil in the chuck layer can transfer heat to mixing tank, in batch mixing rubber asphalt is heated, and has improved the quality and the efficient of batch mixing.
Description of drawings
The utility model is described in more detail below in conjunction with accompanying drawing:
Fig. 1 is the structural representation of the utility model rubber asphalt heating mixing device;
Fig. 2 is the structural representation of the another kind of embodiment of the utility model rubber asphalt heating mixing device.
Reference numeral: 1-heating mixing tank; 2-upper cover; 3-low head; 4-tube sheet; 5-tubulation inner bag; 6-chuck layer; 7-connected entrance; 8-expansion bellow; 9-circulation bitumenpump; 10-heat conducting oil boiler; 11-Heat-transfer Oil Pump; 12-mixing tank; 13-housing; 14-motor; 15-stirring main shaft; 16-agitator arm; 17-sieve plate; 18-vavuum pump; 19-condenser; 20-vacuum tank; 21-reinforcement.
The specific embodiment
In order to make technical problem solved by the invention, technical scheme and beneficial effect clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.
Embodiment 1
As shown in Figure 1, present embodiment discloses a kind of rubber asphalt heating mixing device, comprise a columnar heating mixing tank 1, the two ends of heating mixing tank 1 are welded with upper cover 2 and low head 3 respectively, upper cover 2 is a dome-type, low head 3 is taper, on, low head all is welded on the heating mixing tank 1 at the section radius maximum, on heating mixing tank 1, also be provided with one section expansion bellow 8, heating mixing tank 1 arranged outside has chuck layer 6, this chuck layer 6 is provided with a conduction oil inlet, chuck layer 6 is communicated with heat conducting oil boiler 10 by the conduction oil inlet of bottom, the import of heat conducting oil boiler 10 is communicated with the outlet of Heat-transfer Oil Pump 11, and Heat-transfer Oil Pump 11 will be pressed into chuck layer 6 through the conduction oil after heat conducting oil boiler 10 heating; Heating mixing tank 1 interior welds has two tube sheets 4, one group of tubulation inner bag 5 is installed in 4 of tube sheets and welds, chuck layer 6 has the connected entrance 7 that is communicated with chuck layer 6 and heating mixing tank 1 inside between two tube sheets 4, connected entrance 7 is two, be separately positioned near the top of lower perforated plate and near the below of upper perforated plate, utilize the slit of 5 existence of tubulation inner bag, form the conduction oil passage, in the gap of tubulation inner bag 5, also be provided with a plurality of deflection plates, the backflow number of times is increased, realize heating rubber asphalt in the tubulation inner bag 5; Chuck layer 6 is disconnected two parts about 4 of tube sheets are, behind the connected entrance 7 input conduction oils by the bottom, slit through tubulation inner bag 5, enter top chuck layer by connected entrance again, upper perforated plate and lower perforated plate form respectively and between heating mixing tank 1 roof and diapire, following two parts cavity, the import of circulation bitumenpump 9 and outlet are communicated with above-mentioned two parts cavity, under the effect of circulation bitumenpump 9, rubber asphalt can be drawn into apex cavity and pass through tubulation inner bag 5 once more from bottom cavity, realize the circulation heating, the low head 3 of taper is provided with the rubber asphalt outlet at cone tip part, and the rubber asphalt after the mixing heating can be discharged from here; Heating mixing tank 1 top is provided with two mixing tanks 12, mixing tank 12 bottoms are communicated with heating mixing tank 1 apex cavity by upper cover 2, mixing tank 12 comprises the housing 13 of a ball-type, housing 13 tops are installed with a motor 14, be connected with a stirring main shaft 15 on the turning cylinder of motor 14, stir main shaft 15 and insert housing 13 inside, the axis coaxle of basic and housing 13 vertical directions of its axis, stir on the main shaft 15 agitator arm 16 also is installed, mixing tank 12 inner bottom parts are welded with a sieve plate 17, also have a stirring scraping blade to be installed on the stirring main shaft 15 at sieve plate 17 and 16 of agitator arms, stir the scraping blade slight inclination, the below and 17 on the sieve plate that stir scraping blade leave a little gap, stir scraping blade with stirring that main shaft rotates and by the rubber asphalt of caking being rubbed repeatedly with the gap of sieve plate 17, mixing tank 12 arranged outside have mixing tank chuck layer, mixing tank chuck layer is communicated with the chuck layer 6 of heating mixing tank 1, the import of Heat-transfer Oil Pump 11 is communicated with mixing tank chuck layer, realize the oil circulation, and in heat conducting oil boiler 10, heat conduction oil; Mixing tank 12 tops are provided with the gas outlet, be connected with condenser 19 on the gas outlet, mixing tank 12 preferably is inclined relative to horizontal than wide-angle with the interface channel of condenser 19, the waste gas that batch mixing produces enters the back condensation from condenser 19 bottoms, light oil liquefaction back useful in the gas is because deadweight deposits to the interface channel of condenser 19 bottoms, sink to mixing tank 12 then, import condensator outlet into through condensed waste gas, condensator outlet is communicated with the air inlet of vacuum tank 20, the gas outlet of vacuum tank 20 is communicated with vavuum pump 18, vacuum tank 20 is adjusted to rational value with the negative pressure of vavuum pump 18,0.1MPa to 0.2MPa preferably, the waste gas of discharging through vavuum pump 18 carries out harmless treatment by waste gas burner; The charging aperture of mixing tank 12 is provided with valve, be provided with weight sensor in the mixing tank 12, be connected with control circuit on the weight sensor, control circuit drives valve opening and closing by actuating motor, realize control automatically, also rubber import and pitch import can be set respectively, add rubber and pitch, realize accurate proportioning according to predetermined ratio.
Embodiment 2
Further improvement as the utility model rubber asphalt heating mixing device, also be provided with one deck heat-insulation layer at chuck layer 6 and mixing tank chuck layer outside, heat-insulation layer profile and chuck layer and mixing tank chuck layer profile are adaptive, and heat-insulation layer is made with insulation materials such as asbestos shingles.
Embodiment 3
Another kind of embodiment as the utility model rubber asphalt heating mixing device, as shown in Figure 2, heating mixing tank 1 inside is horizontal rectangular build, lateral middle is provided with three reinforcements 21 in the heating mixing tank 1, the top of reinforcement is welded on the tank inner surface top, reinforcement 21 bottoms and 5 welding of tubulation inner bag.After adopting such design, volume increases, and can place more tubulation inner bag, makes things convenient for vehicle transport simultaneously, can accomplish vehicle-mounted heating.

Claims (9)

1. a rubber asphalt heats the mixing device, comprise heating mixing tank (1) and heater, heating mixing tank (1) is provided with upper cover (2) and low head (3), it is characterized in that: be fixed with in the described heating mixing tank (1), following two tube sheets (4), be provided with tubulation inner bag (5) between the described tube sheet (4), described heating mixing tank (1) is provided with chuck layer (6), described chuck layer (6) is provided with at least two connected entrances (7) with heating mixing tank (1) internal communication, and described connected entrance (7) is positioned between two tube sheets (6).
2. rubber asphalt heating mixing device according to claim 1, it is characterized in that: described heating mixing tank (1) is provided with expansion bellow (8).
3. rubber asphalt heating mixing device according to claim 1, it is characterized in that: described upper cover (2) is hemispherical, and described low head (3) is taper.
4. rubber asphalt heating mixing device according to claim 1, it is characterized in that: described heating mixing tank (1) is communicated with the export and import of circulation bitumenpump (9) by upper cover (2) and low head (3) respectively.
5. rubber asphalt heating mixing device according to claim 1, it is characterized in that: the heater of described rubber asphalt heating mixing device also is provided with a heat conducting oil boiler (10) that is communicated with chuck layer (6), and described heat conducting oil boiler (10) is communicated with Heat-transfer Oil Pump (11).
6. rubber asphalt heating mixing device according to claim 1, it is characterized in that: the top of described rubber asphalt heating mixing device also is provided with at least one mixing tank (12), described mixing tank (12) is communicated with heating mixing tank (1), described mixing tank (12) comprises housing (13), be provided with in the housing (13) and stir main shaft (15) and sieve plate (17), stir main shaft (15) end and be provided with agitator arm (16), housing (13) top also is provided with motor (14), and motor (14) turning cylinder is connected with stirring main shaft (15).
7. rubber asphalt heating mixing device according to claim 6, it is characterized in that: described rubber asphalt heating mixing device also is provided with vavuum pump (18), the housing of described mixing tank also is provided with exhaust outlet on (13), described exhaust outlet is communicated with the air inlet of vavuum pump (18), and the gas outlet of described vavuum pump (18) is communicated with the burning jet pipe.
8. rubber asphalt heating mixing device according to claim 7, it is characterized in that: described rubber asphalt heating mixing device also is provided with condenser (19), described condenser (19) is communicated with exhaust outlet on the mixing tank (12), the gas outlet of described condenser (19) is connected to vacuum tank (20), and the gas outlet of described vacuum tank (20) is communicated with the air inlet of vavuum pump (18).
9. according to the described rubber asphalt heating of any claim in the claim 6 to 8 mixing device, it is characterized in that: described mixing tank (12) is provided with mixing tank chuck layer, and described mixing tank chuck layer is communicated with the chuck layer (6) of heating mixing tank.
CN2010201637809U 2010-04-20 2010-04-20 Rubber asphalt heating mixed melting device Expired - Lifetime CN201664600U (en)

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Application Number Priority Date Filing Date Title
CN2010201637809U CN201664600U (en) 2010-04-20 2010-04-20 Rubber asphalt heating mixed melting device

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Application Number Priority Date Filing Date Title
CN2010201637809U CN201664600U (en) 2010-04-20 2010-04-20 Rubber asphalt heating mixed melting device

Publications (1)

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CN201664600U true CN201664600U (en) 2010-12-08

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CN2010201637809U Expired - Lifetime CN201664600U (en) 2010-04-20 2010-04-20 Rubber asphalt heating mixed melting device

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103937523A (en) * 2014-04-10 2014-07-23 周其强 Negative-pressure communicated modified asphalt production device
CN110479134A (en) * 2019-05-05 2019-11-22 天津科技大学 A kind of more inclination scraper-type mixing components under the slow-speed of revolution

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103937523A (en) * 2014-04-10 2014-07-23 周其强 Negative-pressure communicated modified asphalt production device
CN103937523B (en) * 2014-04-10 2015-07-15 周其强 Negative-pressure communicated modified asphalt production device
CN110479134A (en) * 2019-05-05 2019-11-22 天津科技大学 A kind of more inclination scraper-type mixing components under the slow-speed of revolution

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Granted publication date: 20101208

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