CN115025715A - Pitch cooling forming device - Google Patents
Pitch cooling forming device Download PDFInfo
- Publication number
- CN115025715A CN115025715A CN202210743556.4A CN202210743556A CN115025715A CN 115025715 A CN115025715 A CN 115025715A CN 202210743556 A CN202210743556 A CN 202210743556A CN 115025715 A CN115025715 A CN 115025715A
- Authority
- CN
- China
- Prior art keywords
- asphalt
- cylinder body
- gas
- former
- distribution pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 27
- 239000010426 asphalt Substances 0.000 claims abstract description 127
- 239000007789 gas Substances 0.000 claims abstract description 55
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 33
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 29
- 239000003546 flue gas Substances 0.000 claims abstract description 29
- 238000005507 spraying Methods 0.000 claims abstract description 22
- 239000007788 liquid Substances 0.000 claims abstract description 18
- 230000005587 bubbling Effects 0.000 claims abstract description 17
- 238000000465 moulding Methods 0.000 claims description 8
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 239000002245 particle Substances 0.000 abstract description 28
- 238000000034 method Methods 0.000 abstract description 10
- 239000007787 solid Substances 0.000 abstract description 6
- 230000007613 environmental effect Effects 0.000 abstract description 5
- 238000007493 shaping process Methods 0.000 abstract description 2
- 239000000779 smoke Substances 0.000 description 8
- 239000000047 product Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 239000008187 granular material Substances 0.000 description 3
- 239000003517 fume Substances 0.000 description 2
- 238000005469 granulation Methods 0.000 description 2
- 230000003179 granulation Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
- B01J2/20—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by expressing the material, e.g. through sieves and fragmenting the extruded length
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/02—Separating dispersed particles from gases, air or vapours by liquid as separating agent by passing the gas or air or vapour over or through a liquid bath
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D31/00—Other cooling or freezing apparatus
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Working-Up Tar And Pitch (AREA)
Abstract
The invention relates to an asphalt cooling forming device, which comprises a cylinder, an asphalt former, a water spraying device and a gas bubbling device, wherein the cylinder is provided with a cavity; the asphalt former and the water spraying device are arranged in the cylinder body, the top of the cylinder body is of a closed structure and is provided with a flue gas outlet, and the bottom of the cylinder body extends to a position below the liquid level of the asphalt pool and is of an open structure; the asphalt former is arranged in the middle of the cylinder body, the water spraying device is arranged above the asphalt former, and the gas bubbling device is arranged at the bottom of the cylinder body, namely below the liquid level of the asphalt pool. The invention adopts the cylinder body with a closed structure to seal the channel between the asphalt former and the asphalt pool, so that the cooling and shaping processes of the liquid asphalt are completely carried out in an oxygen-free closed environment, thereby meeting the requirement of environmental protection; the asphalt particles extruded by the asphalt former are preliminarily cooled and formed in the falling process through water spraying, and then gas is generated through bubbling to be stirred to prevent the adhesion of the asphalt particles, so that the particles of the solid asphalt product are fine and uniform.
Description
Technical Field
The invention relates to the technical field of liquid asphalt cooling forming, in particular to an asphalt cooling forming device.
Background
The liquid asphalt cooling and forming is to cool and form the liquid asphalt so as to be convenient for packaging, storage and transportation. The liquid asphalt cooling and forming process at the present stage mostly adopts an underwater cooling and forming process, namely, the liquid asphalt enters an asphalt forming device after being pressurized, the asphalt extruded into strips or granules falls into an asphalt pool below for cooling, and the formed asphalt granules are fished out from water by an asphalt strip machine for draining to obtain a solid asphalt product.
The traditional asphalt cooling forming process is to arrange an asphalt forming device above an asphalt pool to perform asphalt extrusion operation. Such as an "asphalt granulator" disclosed in the chinese patent application with publication number CN107030927A, an "asphalt granulation apparatus" disclosed in the chinese patent application with publication number CN106753498A, and a "spherical asphalt granulation apparatus" disclosed in the chinese utility model patent with publication number CN 206927851U. The disadvantages of the above method are that the asphalt particles stick to each other during the falling process, and the final product has large blocks of solid asphalt, which affects the packaging of the product; in addition, before high-temperature asphalt particles enter an asphalt pool, the high-temperature asphalt particles are directly exposed in the atmosphere, asphalt smoke pollution exists, the field operation environment is severe, and the environmental protection requirement cannot be met.
Disclosure of Invention
The invention provides an asphalt cooling forming device, which adopts a cylinder body with a closed structure to close a channel between an asphalt former and an asphalt pool, so that the cooling and forming process of liquid asphalt is completely carried out in an anaerobic closed environment, thereby meeting the requirement of environmental protection; the asphalt particles extruded by the asphalt former are preliminarily cooled and formed in the falling process through water spraying, and then gas is generated through bubbling to be stirred to prevent the adhesion of the asphalt particles, so that the particles of the solid asphalt product are fine and uniform.
In order to achieve the purpose, the invention adopts the following technical scheme:
an asphalt cooling forming device comprises a cylinder body, an asphalt former, a water spraying device and a gas bubbling device; the asphalt former and the water spraying device are arranged in the cylinder body, the top of the cylinder body is of a closed structure and is provided with a flue gas outlet, and the bottom of the cylinder body extends to a position below the liquid level of the asphalt pool and is of an open structure; the asphalt former is arranged in the middle of the cylinder body, the water spraying device is arranged above the asphalt former, and the gas bubbling device is arranged at the bottom of the cylinder body, namely below the liquid level of the asphalt pool.
The gas bubbling device is a gas distributor, and the gas distributor consists of a gas distribution pipe and a plurality of gas nozzles; the cylinder body periphery is located to the gas distribution pipe, evenly sets up a plurality of gas nozzle along circumference on the gas distribution pipe, and inside the gas nozzle extended to the cylinder body to the upper side in the injection direction orientation.
The gas distribution pipe is coaxial with the cylinder body, and the inner diameter of the gas distribution pipe is larger than or equal to that of the cylinder body; the gas nozzles are arranged along the radial direction of the gas distribution pipe, and the spraying direction faces to the upper inner part.
The gas distribution pipe is connected with a flue gas outlet at the top of the cylinder body through a flue gas pipeline, and a flue gas fan is arranged on the flue gas pipeline.
The asphalt former is a granulator.
The cylinder body is a cylindrical thin-wall cylinder body, the top of the cylinder body is sealed by a top cover, and a flue gas outlet is formed in the top cover.
Compared with the prior art, the invention has the beneficial effects that:
1) the passage between the asphalt former and the asphalt pool is sealed by adopting the cylinder body with a sealing structure, so that the cooling and shaping process of the liquid asphalt is completely carried out in an oxygen-free sealing environment, the oxidation of high-temperature asphalt is avoided, the operating environment is improved, and the environmental protection requirement is met;
2) the asphalt particles extruded by the asphalt former are preliminarily cooled and formed in the falling process through water spraying, and gas generated by the water spraying and bubbling can prevent the asphalt particles from being adhered, so that the particles of the solid asphalt product are finer and more uniform;
3) the granular asphalt extruded by the asphalt former is sprayed by water before falling into the asphalt pool, so that the cooling forming effect is better.
Drawings
FIG. 1 is a schematic structural view of an asphalt cooling molding apparatus according to the present invention.
FIG. 2 is a schematic view showing an application state of the asphalt cooling molding apparatus according to the present invention.
In the figure: 1. barrel 2, asphalt former 3, water sprayer 4, gas bubbler 5, fume outlet 6, fume fan 7, asphalt pool 8, asphalt steel belt machine
Detailed Description
The following further describes embodiments of the present invention with reference to the accompanying drawings:
as shown in fig. 1, the asphalt cooling molding device of the present invention comprises a cylinder 1, an asphalt former 2, a water spraying device 3 and a gas bubbling device 4; the asphalt former 2 and the water spraying device 3 are arranged inside the cylinder body 1, the top of the cylinder body 1 is of a closed structure and is provided with a flue gas outlet 5, and the bottom of the cylinder body 1 extends to a position below the liquid level of the asphalt pool 7 and is of an open structure; the asphalt former 2 is arranged in the middle of the cylinder 1, the water spraying device 3 is arranged above the asphalt former 2, and the gas bubbling device 4 is arranged at the bottom of the cylinder 1, namely below the liquid level of the asphalt pool 7.
The gas bubbling device 4 is a gas distributor which consists of a gas distribution pipe and a plurality of gas nozzles; the gas distribution pipe is arranged on the periphery of the cylinder body 1, a plurality of gas nozzles are uniformly arranged on the gas distribution pipe along the circumferential direction, the gas nozzles extend to the interior of the cylinder body 1, and the spraying direction faces the interior upper side.
The gas distribution pipe is coaxial with the cylinder body 1, and the inner diameter of the gas distribution pipe is larger than or equal to that of the cylinder body 1; the gas nozzles are arranged along the radial direction of the gas distribution pipe, and the spraying direction faces to the upper inner part.
The gas distribution pipe is connected with a flue gas outlet 5 at the top of the cylinder body 1 through a flue gas pipeline, and a flue gas fan 6 is arranged on the flue gas pipeline.
The asphalt former 2 is a granulator.
The barrel 1 is a cylindrical thin-wall barrel, the top of the barrel 1 is sealed by a top cover, and a flue gas outlet 5 is formed in the top cover.
As shown in fig. 2, the working principle of the asphalt cooling molding device of the present invention is as follows:
the liquid asphalt is pressed and extruded into granules by an asphalt former 2, and falls to an asphalt pool 7 below under the action of gravity; water is sprayed downwards through the water spraying device 3, water drops are fully contacted with the asphalt particles and the asphalt smoke, the outer surfaces of the asphalt particles are cooled and shaped, and the asphalt particles fall into the asphalt pool 7 to be finally cooled; taking out the cooled asphalt particles from the water by an asphalt strip machine 8 to drain water, and obtaining a solid asphalt product; the asphalt flue gas after water spraying is pumped out from a flue gas outlet 5 at the top of the cylinder 1 by a flue gas fan 6, enters a gas bubbling device 4 positioned under water at the bottom of the cylinder 1, is uniformly bubbled in the coverage range of the cylinder 1, absorbs impurities in the asphalt flue gas by water and cools the flue gas, and simultaneously plays a role in stirring asphalt particles falling into the water so as to refine the asphalt particles and prevent the asphalt particles from being adhered; after the asphalt smoke floats out of the water surface, the asphalt smoke has a sweeping effect on descending asphalt particles, can refine the asphalt particles and prevent the adhesion of the asphalt particles.
The asphalt flue gas is pumped out from a flue gas outlet 5 at the top of the cylinder body 1 by a flue gas fan 6 and enters a gas bubbling device 4 at the bottom of the cylinder body 1 and under the water of an asphalt pool 7, so that the asphalt flue gas is recycled; the asphalt smoke is uniformly bubbled below the liquid level in the cross section range of the whole cylinder body 1, so that impurities in the asphalt smoke can be absorbed by water, the asphalt smoke is cooled, asphalt particles falling into the water can be stirred, the asphalt particles are further refined, and the adhesion among the asphalt particles is prevented; after the asphalt smoke after bubbling emerges from the water surface, asphalt particles in the falling process can be swept, and the effects of refining the asphalt particles and preventing the adhesion of the asphalt particles can be achieved.
Through pitch cooling forming device, the airtight circulation of anaerobic of pitch flue gas realization is used, avoids high temperature pitch oxidation simultaneously to improve operational environment, satisfy the environmental protection requirement.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. An asphalt cooling forming device is characterized by comprising a cylinder body, an asphalt former, a water spraying device and a gas bubbling device; the asphalt former and the water spraying device are arranged in the cylinder body, the top of the cylinder body is of a closed structure and is provided with a flue gas outlet, and the bottom of the cylinder body extends to a position below the liquid level of the asphalt pool and is of an open structure; the asphalt former is arranged in the middle of the cylinder body, the water spraying device is arranged above the asphalt former, and the gas bubbling device is arranged at the bottom of the cylinder body, namely below the liquid level of the asphalt pool.
2. The asphalt cooling molding apparatus according to claim 1, wherein the gas bubbling device is a gas distributor, and the gas distributor is composed of a gas distribution pipe and a plurality of gas nozzles; the cylinder body periphery is located to the gas distribution pipe, evenly sets up a plurality of gas nozzle along circumference on the gas distribution pipe, and inside the gas nozzle extended to the cylinder body to the upper side in the injection direction orientation.
3. An asphalt cooling molding apparatus according to claim 2, wherein the gas distribution pipe is disposed coaxially with the cylinder body, and the inner diameter of the gas distribution pipe is equal to or greater than the inner diameter of the cylinder body; the gas nozzles are arranged along the radial direction of the gas distribution pipe, and the spraying direction faces to the upper inner part.
4. The asphalt cooling molding device according to claim 2, wherein the gas distribution pipe is connected with the flue gas outlet at the top of the cylinder body through a flue gas pipeline, and a flue gas fan is arranged on the flue gas pipeline.
5. An asphalt cooling molding apparatus according to claim 1, wherein the asphalt former is a pelletizer.
6. An asphalt cooling and forming device according to claim 1, wherein the cylinder is a cylindrical thin-wall cylinder, the top of the cylinder is closed by a top cover, and the top cover is provided with a flue gas outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210743556.4A CN115025715A (en) | 2022-06-28 | 2022-06-28 | Pitch cooling forming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210743556.4A CN115025715A (en) | 2022-06-28 | 2022-06-28 | Pitch cooling forming device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115025715A true CN115025715A (en) | 2022-09-09 |
Family
ID=83127032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210743556.4A Withdrawn CN115025715A (en) | 2022-06-28 | 2022-06-28 | Pitch cooling forming device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115025715A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116492918A (en) * | 2023-06-09 | 2023-07-28 | 祥峰科技有限公司 | Asphalt cooling forming equipment |
-
2022
- 2022-06-28 CN CN202210743556.4A patent/CN115025715A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116492918A (en) * | 2023-06-09 | 2023-07-28 | 祥峰科技有限公司 | Asphalt cooling forming equipment |
| CN116492918B (en) * | 2023-06-09 | 2024-03-19 | 祥峰科技有限公司 | Asphalt cooling forming equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20220909 |
|
| WW01 | Invention patent application withdrawn after publication |