CN217600662U - Asphalt cooling and forming system with turbid water circulation - Google Patents
Asphalt cooling and forming system with turbid water circulation Download PDFInfo
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- CN217600662U CN217600662U CN202221703798.2U CN202221703798U CN217600662U CN 217600662 U CN217600662 U CN 217600662U CN 202221703798 U CN202221703798 U CN 202221703798U CN 217600662 U CN217600662 U CN 217600662U
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Abstract
The utility model relates to an asphalt cooling and forming system with turbid water circulation, which comprises an asphalt strip steel machine, an asphalt pool, an asphalt spraying and cooling unit and a turbid water circulation unit; the asphalt spraying cooling unit comprises an asphalt spraying cooler arranged above the asphalt pool, an asphalt sprayer and a cooling gas sprayer are arranged in the asphalt spraying cooler, and the liquid asphalt is sprayed out of the asphalt sprayer and then cooled by cooling gas sprayed out of the cooling gas sprayer; the turbid water circulating unit comprises a turbid water circulating pipeline, and a filter, a turbid water circulating pump and a cooler which are sequentially arranged on the turbid water circulating pipeline along the flow direction of turbid water. The cooling and forming process of the liquid asphalt is carried out in a totally closed environment, so that the process is more environment-friendly; turbid circulating water in the asphalt pool is pumped out by a turbid circulating water pump, filtered by a filter and cooled by a cooler and then returned to the asphalt pool for recycling, the process flow is short, and the equipment investment is saved.
Description
Technical Field
The utility model relates to a solid asphalt production technical field especially relates to a pitch cooling shaping system of turbid water circulation.
Background
In the coking industry, medium-temperature pitch sent out from a tar distillation section has a low softening point and generally needs to be subjected to modification reaction to form modified pitch with a higher softening point, and the modified pitch is cooled, molded and then packaged for storage; in addition, the process of asphalt modification can be skipped, and the medium temperature asphalt is directly cooled and molded and then packaged and stored.
At present, the cooling and forming of the liquid asphalt are basically completed in water, as shown in figure 1, the liquid asphalt is pressed into a granulator 1-3 through a pipeline, the granulator 1-3 extrudes the asphalt into strips and falls into an asphalt pool 1-1 below for cooling, and the cooled asphalt is fished out of the water by a steel belt machine 1-2 to drain water to obtain a solid asphalt product. The asphalt pool 1-1 is generally provided with a turbid water circulating system, cooling water in the asphalt pool 1-1 automatically flows to the primary sedimentation pool 1-5, asphalt slag powder is settled at the bottom of the primary sedimentation pool 1-5, and water overflows to the secondary sedimentation pool 1-6 to complete primary solid-liquid separation. In the secondary sedimentation tank 1-6, the asphalt slag powder is further separated from water, the asphalt slag powder is settled at the bottom of the secondary sedimentation tank 1-6, the water is pumped out by a cooling tower water pump 1-7 and is sent to a glass fiber reinforced plastic cooling tower 1-8 positioned above the secondary sedimentation tank 1-6, and the water in the glass fiber reinforced plastic cooling tower 1-8 returns to the secondary sedimentation tank 1-6 from top to bottom. A fan is arranged at the top of the glass fiber reinforced plastic cooling tower 1-8, natural wind is pumped from bottom to top and is in direct contact with water in a counter-current manner for cooling, and cooled water is pumped out by a circulating water pump 1-4 and is sent back to an asphalt pool 1-1 for recycling; this water is called turbid circulating water because it is in direct contact with the bitumen.
The conventional asphalt cooling forming process flow is long, the number of equipment is large, the investment is large, the occupied area is large, the slag removal working strength is large, the labor cost is high, the turbid circulating water cooling process is mostly open-type operation, and harmful media slightly soluble in water are diffused in the air again in the process to cause pollution, so that the field operation environment is poor.
Disclosure of Invention
The utility model provides a turbid water circulation asphalt cooling and forming system, the liquid asphalt cooling and forming process is carried out in a totally-enclosed environment, and the process is more environment-friendly; turbid circulating water in the asphalt pool is pumped out by a turbid circulating water pump, filtered by a filter and cooled by a cooler and then returned to the asphalt pool for recycling, the process flow is short, and the equipment investment is saved.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a turbid water circulating asphalt cooling forming system comprises an asphalt strip steel machine and an asphalt pool, wherein the asphalt strip steel machine is obliquely arranged, the lower end of the asphalt strip steel machine extends into the asphalt pool, and the higher end of the asphalt strip steel machine extends out of the asphalt pool; the asphalt cooling and forming system also comprises an asphalt spraying and cooling unit and a turbid water circulating unit; the asphalt spraying cooling unit comprises an asphalt spraying cooler arranged above the asphalt pool, an asphalt sprayer and a cooling gas sprayer are arranged in the asphalt spraying cooler, and the liquid asphalt is sprayed out of the asphalt sprayer and then cooled by cooling gas sprayed out of the cooling gas sprayer; the turbid water circulating unit comprises a turbid water circulating pipeline, and a filter, a turbid water circulating pump and a cooler which are sequentially arranged on the turbid water circulating pipeline along the flow direction of turbid water.
The asphalt spraying cooler is arranged right above the lower end of the asphalt steel strip machine and consists of a shell, an asphalt sprayer and a cooling gas sprayer, wherein the asphalt sprayer and the cooling gas sprayer are arranged in the shell; the top of the shell is closed and is provided with a flue gas outlet, and the bottom of the shell extends to be below the liquid level of the asphalt pool; one end of the asphalt sprayer is connected with a liquid asphalt pipeline outside the shell, and an asphalt high-pressure pump is arranged on the liquid asphalt pipeline; the other end of the asphalt sprayer extends to the center of the shell and is provided with an asphalt nozzle; the cooling gas injector is a plurality of, locates the below of pitch sprayer and evenly sets up in pitch sprayer's periphery, and the injection direction of each cooling gas injector all faces inside upper.
The spraying direction of the asphalt sprayer faces to the right upper side.
The cooling gas ejector is connected through a cooling gas loop pipe, the cooling gas loop pipe is arranged close to the inner wall of the shell, and the cooling gas loop pipe is connected with an external cooling gas pipeline.
The water inlet end of the turbid water circulating pipeline is close to the asphalt jet cooler, and the water outlet end of the turbid water circulating pipeline is close to the solid asphalt output end of the asphalt strip machine.
Compared with the prior art, the beneficial effects of the utility model are that:
1) The cooling and forming process of the liquid asphalt is carried out in a totally closed environment, so that the process is more environment-friendly;
2) Turbid circulating water in the asphalt pool is pumped out by a turbid circulating water pump, filtered by a filter and cooled by a cooler and then returned to the asphalt pool for recycling, the process flow is short, the operation is simple, the occupied area is small, and the equipment investment is saved.
Drawings
FIG. 1 is a schematic view of a conventional system for cooling and molding asphalt by circulating turbid water.
FIG. 2 is a schematic structural diagram of a turbid water circulating asphalt cooling and molding system of the present invention.
Fig. 3 is a schematic structural diagram of the asphalt spray cooler of the present invention.
In the figure:
1-1 asphalt pool 1-2 steel belt machine 1-3 granulator 1-4 circulating water pump 1-5 first-stage sedimentation tank 1-6 second-stage sedimentation tank 1-7 turbid water circulating pump 1-8 glass fiber reinforced plastic cooling tower
1. Asphalt pool 2, asphalt steel belt machine 3, asphalt spray cooler 31, shell 32, asphalt sprayer 33, cooling gas sprayer 34, flue gas outlet 4, asphalt high-pressure pump 5, filter 6, turbid water circulating pump 7 and cooler
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings:
as shown in fig. 2, the asphalt cooling molding system with turbid water circulation according to the present invention comprises an asphalt strip steel machine 2 and an asphalt pool 1, wherein the asphalt strip steel machine 2 is disposed in an inclined manner, the low end extends into the asphalt pool 1, and the high end extends out of the asphalt pool 2; the asphalt cooling and forming system also comprises an asphalt spraying and cooling unit and a turbid water circulating unit; the asphalt spraying and cooling unit comprises an asphalt spraying cooler 3 arranged above the asphalt pool 1, as shown in fig. 3, an asphalt sprayer 32 and a cooling gas sprayer 33 are arranged in the asphalt spraying cooler 3, and the liquid asphalt is sprayed out from the asphalt sprayer 32 and then is cooled by cooling gas sprayed out from the cooling gas sprayer 33; the turbid water circulating unit comprises a turbid water circulating pipeline, and a filter 5, a turbid water circulating pump 6 and a cooler 7 which are sequentially arranged on the turbid water circulating pipeline along the flow direction of turbid water.
The asphalt spraying cooler 3 is arranged right above the lower end of the asphalt strip steel machine 2 and consists of a shell 31, an asphalt sprayer 32 arranged in the shell 31 and a cooling gas sprayer 33; the top of the shell 31 is closed and is provided with a flue gas outlet 34, and the bottom of the shell 31 extends to be below the liquid level of the asphalt pool 1; one end of the asphalt sprayer 32 is connected with a liquid asphalt pipeline outside the shell 31, and an asphalt high-pressure pump 4 is arranged on the liquid asphalt pipeline; the other end of the asphalt sprayer 32 extends to the center of the shell 31 and is provided with an asphalt nozzle; the cooling gas injectors 33 are plural, are provided below the pitch injector 32 and are uniformly arranged on the periphery of the pitch injector 32, and the injection direction of each cooling gas injector 33 is directed inward and upward.
The pitch injector 32 has an injection direction directed directly upward.
The cooling gas injector 33 is connected through a cooling gas loop, the cooling gas loop is arranged close to the inner wall of the shell 31, the cooling gas loop is connected with an external cooling gas pipeline, and a gas high-pressure pump is arranged on the cooling gas pipeline.
The water inlet end of the turbid water circulating pipeline is close to the asphalt spray cooler 3, and the water outlet end of the turbid water circulating pipeline is close to the solid asphalt output end of the asphalt strip machine 2.
The working principle of the turbid water circulation asphalt cooling and forming system is as follows:
as shown in fig. 2 and 3, the liquid asphalt is pressurized by an asphalt high-pressure pump 4 and then enters an asphalt spray cooler 3 through a liquid asphalt pipeline; the liquid asphalt is sprayed in the form of liquid drops through the asphalt sprayer 32, then is scattered downwards, is fully contacted with the cooling gas sprayed from the plurality of cooling gas sprayers 33, and the asphalt liquid drops are cooled into solid asphalt particles in the falling process and then fall into the asphalt pool 1 below; and fishing out the solid asphalt product from the bottom of the asphalt pool 1 by an asphalt steel belt machine 2 and draining to obtain a solid asphalt product.
Water in the asphalt pool 1 is pumped out by a turbid water circulating pump 6, firstly enters a filter 5 to filter most asphalt slag powder, then enters a cooler 7 after being pressurized by the turbid water circulating pump 6, and returns to the asphalt pool 1 for recycling after exchanging heat with cooling water and reducing temperature.
In the asphalt cooling and forming unit, liquid asphalt is pressurized and sprayed into liquid drops, and then the liquid asphalt is contacted with cooling gas and cooled into uniform fine particles, so that the packing, the storage and the transportation of solid asphalt products are facilitated. The source of the cooling gas may be air, inert gas or asphalt flue gas, which is cooled and then delivered to the cooling gas injector 33.
In the turbid water circulating unit, the filter 5 is adopted, so that the particle content and the particle size in the turbid circulating water can be effectively controlled, and the protection of equipment such as a turbid water circulating pump 6 and the like is facilitated; meanwhile, the workload of manual slag removal is reduced, and the labor intensity of workers is reduced. The turbid circulating water is indirectly contacted with the cooling medium through the cooler 7, and compared with a traditional turbid circulating water system, the field operation environment is improved by adopting a fully-closed flow.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. A turbid water circulating asphalt cooling forming system comprises an asphalt strip steel machine and an asphalt pool, wherein the asphalt strip steel machine is obliquely arranged, the lower end of the asphalt strip steel machine extends into the asphalt pool, and the higher end of the asphalt strip steel machine extends out of the asphalt pool; the asphalt cooling molding system is characterized by further comprising an asphalt spraying and cooling unit and a turbid water circulating unit; the asphalt spraying cooling unit comprises an asphalt spraying cooler arranged above the asphalt pool, an asphalt sprayer and a cooling gas sprayer are arranged in the asphalt spraying cooler, and the liquid asphalt is sprayed out of the asphalt sprayer and then cooled by cooling gas sprayed out of the cooling gas sprayer; the turbid water circulating unit comprises a turbid water circulating pipeline, and a filter, a turbid water circulating pump and a cooler which are sequentially arranged on the turbid water circulating pipeline along the flow direction of turbid water.
2. The dirty water circulating asphalt cooling molding system as claimed in claim 1, wherein the asphalt spray cooler is disposed right above the lower end of the asphalt strip mill and comprises a housing, an asphalt sprayer and a cooling gas sprayer, wherein the asphalt sprayer and the cooling gas sprayer are disposed in the housing; the top of the shell is closed and is provided with a flue gas outlet, and the bottom of the shell extends to a position below the liquid level of the asphalt pool; one end of the asphalt sprayer is connected with a liquid asphalt pipeline outside the shell, and an asphalt high-pressure pump is arranged on the liquid asphalt pipeline; the other end of the asphalt sprayer extends to the center of the shell and is provided with an asphalt nozzle; the cooling gas injector is a plurality of, locates the below of pitch sprayer and evenly sets up in pitch sprayer's periphery, and the injection direction of each cooling gas injector all faces inside upper.
3. The dirty water circulating asphalt cooling and molding system according to claim 2, wherein the spraying direction of the asphalt sprayer is directed to the upper side.
4. The dirty water circulating asphalt cooling molding system of claim 2, wherein the cooling gas injector is connected to the cooling gas loop pipe, the cooling gas loop pipe is disposed adjacent to the inner wall of the housing, and the cooling gas loop pipe is connected to an external cooling gas pipe.
5. The asphalt cooling molding system with turbid water circulation, as claimed in claim 1, wherein the turbid water circulation pipeline has a water inlet end disposed close to the asphalt spray cooler and a water outlet end disposed close to the solid asphalt output end of the asphalt strip machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221703798.2U CN217600662U (en) | 2022-06-28 | 2022-06-28 | Asphalt cooling and forming system with turbid water circulation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221703798.2U CN217600662U (en) | 2022-06-28 | 2022-06-28 | Asphalt cooling and forming system with turbid water circulation |
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| CN217600662U true CN217600662U (en) | 2022-10-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115141643A (en) * | 2022-06-28 | 2022-10-04 | 中冶焦耐(大连)工程技术有限公司 | Asphalt cooling and forming system with turbid water circulation |
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2022
- 2022-06-28 CN CN202221703798.2U patent/CN217600662U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115141643A (en) * | 2022-06-28 | 2022-10-04 | 中冶焦耐(大连)工程技术有限公司 | Asphalt cooling and forming system with turbid water circulation |
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