CN110616623A - Anti-sticking material regeneration drying roller and anti-sticking material process - Google Patents
Anti-sticking material regeneration drying roller and anti-sticking material process Download PDFInfo
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- CN110616623A CN110616623A CN201910845488.0A CN201910845488A CN110616623A CN 110616623 A CN110616623 A CN 110616623A CN 201910845488 A CN201910845488 A CN 201910845488A CN 110616623 A CN110616623 A CN 110616623A
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- cylinder
- temperature
- steam
- reclaimed materials
- barrel
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Classifications
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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
- E01C19/1004—Reconditioning or reprocessing bituminous mixtures, e.g. salvaged paving, fresh patching mixtures grown unserviceable; Recycling salvaged bituminous mixtures; Apparatus for the in-plant recycling thereof
Abstract
The invention relates to the technical field of asphalt roller drying, in particular to an anti-sticking material regeneration drying roller and an anti-sticking material process. The utility model provides an antiseized material regeneration drying drum, includes barrel, combustor, the barrel both ends are equipped with feed inlet and discharge gate respectively, barrel feed inlet one end is located to the combustor, still includes section of thick bamboo wall rising temperature device, section of thick bamboo wall rising temperature device includes heating mechanism, heating mechanism acts on in order to rise section of thick bamboo wall temperature on the barrel between combustor and the discharge gate. The device can solve the problem of adhesive adhesion cylinder, reduces the hand labor power, reduces the wasting of resources.
Description
Technical Field
The invention relates to the technical field of asphalt roller drying, in particular to an anti-sticking material regeneration drying roller and an anti-sticking material process.
Background
The regeneration drying roller is an asphalt mixing plant component which takes the regeneration material as the raw material to heat and dry the regeneration material. The material temperature is lower when the reclaimed materials enters into the cylinder, and the reclaimed aggregate temperature rise mainly depends on the heat radiation of burner flame to the reclaimed materials and the heat conduction of the cylinder to the reclaimed materials, transfers the heat to the reclaimed materials, and along with the rotation of the cylinder, the temperature of the cylinder wall in the area covered by the reclaimed materials is lower, the temperature rise is slower, and the temperature rise of the cylinder wall of the cylinder is fast without the reclaimed material covering area. Because the adhesion effect of the reclaimed materials to the cylinder wall is poor under the high-temperature condition, the adhesion of the reclaimed materials is not obvious in the area of the roller close to the burner. From the cylinder middle section of combustor great distance and the section of thick bamboo wall region of discharge end, the influence of section of thick bamboo wall thermal radiation is less, and section of thick bamboo wall temperature is low, and reclaimed material viscidity is bigger under the low temperature condition. Therefore, the temperature of the cylinder wall is low, the regenerated asphalt is easy to adhere to the cylinder wall, and the regenerated materials are adhered layer by layer after a period of production to form a thick regenerated material layer. Thereby influencing the working efficiency of the roller and needing manual cleaning.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides an anti-sticking material regeneration drying roller and an anti-sticking material process.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows: the utility model provides an antiseized material regeneration drying drum, includes barrel, combustor, the barrel both ends are equipped with feed inlet and discharge gate respectively, barrel feed inlet one end is located to the combustor, still includes section of thick bamboo wall rising temperature device, section of thick bamboo wall rising temperature device includes heating mechanism, heating mechanism acts on in order to rise section of thick bamboo wall temperature on the barrel between combustor and the discharge gate.
Further, section of thick bamboo wall rising temperature device is including the fixed shell body that sets up, and the shell body arranges around barrel outer wall a week, is equipped with mechanical seal structure between shell body and the barrel outer wall, is formed with annular space between shell body and the barrel outer wall, heating mechanism includes steam generator, and steam generator passes through the pipeline and is connected to in the annular space in order to send into high temperature steam towards the annular space.
Furthermore, the cylinder wall heating device further comprises a heat insulation layer, and the heat insulation layer is arranged around the outer side of the outer shell.
Furthermore, be equipped with steam inlet, steam outlet in the annular space, steam generator's high-temperature steam passes through steam inlet and steam outlet business turn over annular space, and steam inlet is connected with steam generator, steam inlet includes a plurality of nozzles towards the barrel direction, through a plurality of nozzles so that high-temperature steam dispersion gets into in the annular space.
Furthermore, the cylinder wall heating device further comprises a condenser and a water tank, the condenser is connected with a steam outlet and the water tank of the annular space, high-temperature steam discharged from the steam outlet is condensed into liquid water through the condenser and is sent into the water tank, and the steam generating device is connected with the water tank and takes water from the water tank.
Furthermore, a temperature detector is arranged at the lower semicircle of the cylinder wall temperature rising device and used for detecting the temperature of the cylinder wall.
Further, the mechanical sealing structure is a labyrinth sealing structure.
Further, the steam generating device is an electric heating steam generator.
A regeneration drying roller anti-sticking process comprises the following steps:
step one, a cylinder wall heating device is started to preheat a cylinder, the middle section position of the cylinder is heated to 150-200 ℃, and the temperature is kept;
step two, starting the burner and rotating the barrel, sending the reclaimed materials into the barrel from the feed inlet at one end of the burner and gradually conveying the reclaimed materials towards the direction of the feed inlet at the other end, wherein the barrel wall at the end of the barrel provided with the burner has high temperature, and the reclaimed materials are not easy to adhere to the high-temperature barrel wall at the front section of the barrel;
step three, the reclaimed materials are heated up along with the rotation of the cylinder body and reach the middle section of the cylinder body, the cylinder wall heating device heats the cylinder wall of the middle section of the cylinder body to keep the temperature of 150-200 ℃, and the reclaimed materials are not easy to adhere to the high-temperature cylinder wall of the middle section of the cylinder body;
step four, the reclaimed materials are further heated along with the rotation of the cylinder body, the whole reclaimed materials are in a high-temperature state, the viscosity of the reclaimed materials is reduced, and the reclaimed materials are not easy to adhere to the cylinder wall of the rear section of the cylinder body;
and step five, discharging the reclaimed materials from a discharge hole.
Further, when the reclaimed materials are in the middle section of the cylinder, the temperature is raised to 80-100 ℃, and the discharging temperature of the reclaimed materials is 130-150 ℃.
From the above description of the invention, it can be known that, compared with the prior art, the anti-sticking material regeneration drying drum and the anti-sticking material process provided by the invention have the advantages that the drum body is heated by the drum wall temperature raising device, so that the temperature of the middle section of the drum wall of the regeneration drying drum is raised and kept, the adhesion of the sticking material in the drum is reduced and falls off, the temperature of the drum wall is measured by the temperature detector, the steam temperature is adjusted by the automatic control system according to the sticking material condition, the steam generating device is an electric heating steam generator, the operation is convenient and fast, and the occupied area is small. Steam in the annular space is discharged from the condenser from the steam outlet, so that the phenomenon of 'white smoke' is avoided, the steam is liquefied into water and flows into the water tank for next cyclic utilization, the resource waste is reduced, and the cleaning work in the regeneration drying roller is not required to be manually finished for a long time.
Drawings
Fig. 1 is a schematic structural diagram of an anti-sticking material regeneration drying roller.
FIG. 2 is a schematic side view of a semi-sectional structure of the regenerative drying drum and the drum wall temperature raising device according to the present invention.
FIG. 3 is an enlarged view of a portion of FIG. 1 according to the present invention.
FIG. 4 is an enlarged view of a portion of FIG. 1 at B according to the present invention.
The labels in the figure correspond to the following: 1. the device comprises a regenerative drying roller, 11, a roller body, 111, a front roller body section, 112, a middle roller body section, 113, a rear roller body section, 114, a feeding port, 115, a discharging port, 12, a burner, 13, supporting legs, 131, a cross beam, 14, regenerative materials, 2, a roller wall temperature rising device, 21, an outer shell, 211, a labyrinth seal structure, 212, an annular space, 213, a steam inlet, 214, a steam outlet, 215, a nozzle, 216, a temperature detector, 22, an insulating layer, 221, insulating cotton, 222, a decorative shell, 23, high-temperature steam 23, 3, a steam generating device, 4, a condenser and 5 a water tank.
Detailed Description
The invention is further described below by means of specific embodiments.
Referring to fig. 1 to 4, the anti-sticking material regeneration drying drum comprises a regeneration drying drum 1, a drum wall temperature raising device 2, a steam device 3, a condenser 4 and a water tank 5.
The regeneration drying roller 1 comprises a roller body 11 and a burner 12, wherein a feed inlet 114 and a discharge outlet 115 are respectively arranged at two ends of the roller body 11, one end of the feed inlet 114 of the roller body is arranged at the burner 12, the roller body 11 is divided into a front roller body section 111, a middle roller body section 112 and a rear roller body section 113, supporting legs 13 are arranged at the bottom of the regeneration drying roller 1, a cross beam 131 is erected on the supporting legs 13, and a fixing frame of a roller wall temperature rising device 2 is arranged on the cross beam 131.
The cylinder wall heating device 2 is coated on the cylinder middle section 112 of the regenerative drying cylinder 1 and comprises a heating mechanism, a fixedly arranged outer shell 21 and a heat preservation layer 22, the outer shell 21 is arranged around the outer wall of the cylinder 11 in a circle, and a mechanical labyrinth type sealing structure 211 is arranged between the outer shell 21 and the outer wall of the cylinder 11 to prevent steam leakage. An annular space 212 is formed between the outer shell 21 and the outer wall of the drum 11, and the heating mechanism includes a steam generating device 3, and the steam generating device 3 is connected to the inside of the annular space 212 through a pipe to feed the high-temperature steam 23 toward the annular space 212. The outer side of the outer shell 21 is provided with a heat-insulating layer 22 in a surrounding way, the heat-insulating layer 22 is filled with heat-insulating rock wool 221, and the outer side of the heat-insulating layer 22 is also provided with a decorative shell 222; the annular space 212 is provided with a steam inlet 213 and a steam outlet 214, the high-temperature steam 23 of the steam generating device 3 enters and exits the annular space 212 through the steam inlet 213 and the steam outlet 214, the steam inlet 213 is connected with the steam generating device 3, the steam inlet 213 comprises a plurality of nozzles 215 facing the cylinder 11, and the high-temperature steam 23 is dispersed into the annular space 212 through the plurality of nozzles 215. Starting the steam generating device 3, controlling the steam temperature to be 200-250 ℃, heating the middle section 112 position of the cylinder body to be 150-200 ℃, preferably 170 ℃ through heat transfer, and keeping the temperature; the lower semicircle of the outer shell 21 is provided with a temperature detector 216 which measures the temperature of the cylinder wall 11 in real time, and the temperature value of the temperature detector 216 can automatically adjust the steam temperature and the steam volume through a control system. According to the actual production condition of the construction site and the material sticking condition in the roller, corresponding parameter values are set, the roller is automatically started to heat before production, and the roller keeps warm after production.
The steam generating device 3 provides a source of water through a water tank 5 to heat the water to a steam form. The steam generating device 3 adopts electric energy to provide power, adopts an electric heating mode without providing extra fuel, arranges and installs other pipelines, and is more convenient to use and maintain.
The inlet of the condenser 4 is connected with the steam outlet 214 of the annular space 212, one side of the outlet of the condenser 4 is connected with the water tank 5, the heated high-temperature steam 23 enters the condenser 4 through the steam outlet 24, the high-temperature steam 23 in the condenser is liquefied into water, and the water flows to the water tank 5 for next reuse, so that the resource waste is reduced.
The working principle and the steps of the regeneration drying roller steam heating anti-sticking device are as follows:
step one, when the regenerative drying drum 1 starts to work, the steam generating device 3 is started about fifteen minutes in advance, the steam temperature of the steam generating device 3 is controlled to be 200-250 ℃, steam enters the outer shell 21 through the steam inlet 213, under the blowing of the steam nozzle 215 of the steam inlet 213, high-temperature steam 23 is uniformly filled into the annular space 212, the middle section 112 of the drum is preheated, the heat in the steam is transferred to the drum wall through heat transfer, the middle section 112 of the drum is heated to 170 ℃, and the temperature is kept;
step two, the burner 12 is started, the cylinder 11 rotates, the reclaimed materials are sent into the cylinder from the feed inlet 114 at one end of the burner 12 and are gradually conveyed towards the discharge outlet 115 at the other end, the temperature of the cylinder wall at the cylinder 11 at the end provided with the burner 12 is high, the reclaimed materials at the part in contact with the cylinder wall can be rapidly heated to a high-temperature state, and the viscosity of the reclaimed materials at the high-temperature state is low, so that the reclaimed materials are not easy to adhere to the high-temperature cylinder wall of the front section 111 of the cylinder;
step three, the reclaimed materials are heated up and reach the middle section 112 of the cylinder body along with the rotation of the cylinder body 11, the cylinder wall heating device enables the cylinder wall of the middle section 112 of the cylinder body to be in a high-temperature state of keeping 170 ℃, the reclaimed materials adhered to the cylinder wall can be rapidly heated up under the further heating of the high-temperature cylinder wall, the viscosity of the reclaimed materials is reduced and the reclaimed materials can fall off from the cylinder wall, so that the reclaimed materials can not be adhered to the high-temperature cylinder wall of the middle section 112 of;
step four, the reclaimed materials are further heated to 130-150 ℃ along with the rotation of the cylinder body 11, if the reclaimed materials are in a state of 140 ℃, the viscosity of the reclaimed materials is low, so that the reclaimed materials are not easy to adhere to the cylinder wall of the rear section 113 of the cylinder body, and the reclaimed materials are directly discharged from the discharge hole;
and step five, when the work task is finished, the power of the steam generating device 3 is adaptively reduced, and the wall of the cylinder is insulated so as to enable the cylinder to quickly enter a working state by increasing the temperature more quickly when the next work task is carried out.
The device can make the adhesive material directly discharge outside the cylinder, reduces the manual labor, has convenient operation, reduces the resource waste, and reduces the abrasion of the adhesive material to the regeneration drying roller 1.
The above description is only an embodiment of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modifications made by using the design concept should fall within the scope of infringing the present invention.
Claims (10)
1. The utility model provides an antiseized material regeneration drying cylinder, includes barrel, combustor, the barrel both ends are equipped with feed inlet and discharge gate respectively, barrel feed inlet one end, its characterized in that are located to the combustor: the cylinder wall heating device comprises a heating mechanism, and the heating mechanism acts on the cylinder body between the combustor and the discharge port to raise the temperature of the cylinder wall.
2. The release material regeneration drying roller according to claim 1, characterized in that: the cylinder wall heating device comprises a fixedly arranged shell, the shell is arranged around the outer wall of the cylinder in a circle, a mechanical sealing structure is arranged between the shell and the outer wall of the cylinder, an annular space is formed between the shell and the outer wall of the cylinder, the heating mechanism comprises a steam generating device, and the steam generating device is connected into the annular space through a pipeline to send high-temperature steam towards the annular space.
3. The release material regeneration drying roller according to claim 1, characterized in that: the cylinder wall heating device further comprises a heat preservation layer, and the heat preservation layer is arranged around the outer side of the outer shell.
4. The release material regeneration drying roller according to claim 2, characterized in that: the steam generator is characterized in that a steam inlet and a steam outlet are arranged in the annular space, high-temperature steam of the steam generator passes through the steam inlet and the steam outlet to enter and exit the annular space, the steam inlet is connected with the steam generator, the steam inlet comprises a plurality of nozzles facing the direction of the cylinder body, and the high-temperature steam is dispersed and enters the annular space through the nozzles.
5. The release material regeneration drying roller according to claim 1, characterized in that: the cylinder wall heating device further comprises a condenser and a water tank, the condenser is connected with a steam outlet and the water tank of the annular space, high-temperature steam discharged from the steam outlet is condensed into liquid water through the condenser and is sent into the water tank, and the steam generating device is connected with the water tank and takes water from the water tank.
6. The release material regeneration drying roller according to claim 1, characterized in that: and a temperature detector is also arranged at the lower semicircle of the cylinder wall heating device and used for detecting the temperature of the cylinder wall.
7. The release material regeneration drying roller according to claim 2, characterized in that: the mechanical sealing structure is a labyrinth sealing structure.
8. The release material regeneration drying roller according to claim 2, characterized in that: the steam generating device is an electric heating steam generator.
9. The regeneration drying roller anti-sticking process is characterized by comprising the following steps of: comprises the following steps:
step one, a cylinder wall heating device is started to preheat a cylinder, the middle section position of the cylinder is heated to 150-200 ℃, and the temperature is kept;
step two, starting the burner and rotating the barrel, sending the reclaimed materials into the barrel from the feed inlet at one end of the burner and gradually conveying the reclaimed materials towards the direction of the feed inlet at the other end, wherein the barrel wall at the end of the barrel provided with the burner has high temperature, and the reclaimed materials are not easy to adhere to the high-temperature barrel wall at the front section of the barrel;
step three, the reclaimed materials are heated up along with the rotation of the cylinder body and reach the middle section of the cylinder body, the cylinder wall heating device heats the cylinder wall of the middle section of the cylinder body to keep the temperature of 150-200 ℃, and the reclaimed materials are not easy to adhere to the high-temperature cylinder wall of the middle section of the cylinder body;
step four, the reclaimed materials are further heated along with the rotation of the cylinder body, the whole reclaimed materials are in a high-temperature state, the viscosity of the reclaimed materials is reduced, and the reclaimed materials are not easy to adhere to the cylinder wall of the rear section of the cylinder body;
and step five, discharging the reclaimed materials from a discharge hole.
10. The regeneration drying roller antisticking process according to claim 9, characterized in that: when the reclaimed materials are in the middle section of the cylinder, the temperature is raised to 80-100 ℃, and the discharging temperature of the reclaimed materials is 130-150 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910845488.0A CN110616623A (en) | 2019-09-06 | 2019-09-06 | Anti-sticking material regeneration drying roller and anti-sticking material process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910845488.0A CN110616623A (en) | 2019-09-06 | 2019-09-06 | Anti-sticking material regeneration drying roller and anti-sticking material process |
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| CN110616623A true CN110616623A (en) | 2019-12-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910845488.0A Pending CN110616623A (en) | 2019-09-06 | 2019-09-06 | Anti-sticking material regeneration drying roller and anti-sticking material process |
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| CN (1) | CN110616623A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111041944A (en) * | 2019-12-31 | 2020-04-21 | 三一汽车制造有限公司 | Material cleaning method, material cleaning device and integrated asphalt mixing plant |
| CN112902157A (en) * | 2021-01-26 | 2021-06-04 | 宁夏鑫尔特新能源有限公司 | Pulverized coal efficient catalytic combustion boiler and combustion catalysis method thereof |
| CN117127456A (en) * | 2023-08-24 | 2023-11-28 | 廊坊德基机械科技有限公司 | Automatic antiseized regeneration drying cylinder barrel of accuse temperature |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111041944A (en) * | 2019-12-31 | 2020-04-21 | 三一汽车制造有限公司 | Material cleaning method, material cleaning device and integrated asphalt mixing plant |
| CN111041944B (en) * | 2019-12-31 | 2021-10-22 | 三一汽车制造有限公司 | Material cleaning method, material cleaning device and integrated asphalt mixing plant |
| CN112902157A (en) * | 2021-01-26 | 2021-06-04 | 宁夏鑫尔特新能源有限公司 | Pulverized coal efficient catalytic combustion boiler and combustion catalysis method thereof |
| CN117127456A (en) * | 2023-08-24 | 2023-11-28 | 廊坊德基机械科技有限公司 | Automatic antiseized regeneration drying cylinder barrel of accuse temperature |
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