CN109806642B - Asphalt filter capable of cleaning filter residues on line - Google Patents
Asphalt filter capable of cleaning filter residues on line Download PDFInfo
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- CN109806642B CN109806642B CN201910127063.6A CN201910127063A CN109806642B CN 109806642 B CN109806642 B CN 109806642B CN 201910127063 A CN201910127063 A CN 201910127063A CN 109806642 B CN109806642 B CN 109806642B
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Abstract
The invention relates to an asphalt filter capable of cleaning filter residues on line, which comprises a filter body and a filter part, wherein asphalt is filtered from a filtering hole after passing through the filter part, filtered substances in the asphalt are intercepted on the filter part, particularly, a slag discharging channel is also formed in the filter body, the filter part is also provided with a slag discharging port communicated with the slag discharging channel, the asphalt filter also comprises a scraper attached to the surface of the filter part for intercepting the filter residues and a pushing mechanism for pushing the scraper to move on the filter part, and when the asphalt is in the filtering state or the filtering is finished, the scraper scrapes the filtered substances on the filter part off the filter part and discharges the filtered substances to the slag discharging channel under the pushing of the pushing mechanism. The asphalt is not required to be taken out of the filtering component during or after the filtration is finished, so that the on-line cleaning of the filter residue in the filtering component can be realized, the operation is very convenient, and the potential safety hazard caused by asphalt filtration is eliminated.
Description
Technical Field
The invention belongs to the field of asphalt processing equipment, and particularly relates to an asphalt filter capable of cleaning filter residues on line.
Background
At present, in the asphalt melting process, a part of impurities enter a melting system along with liquid asphalt, the impurities mixed into the liquid asphalt for a long time easily block an asphalt conveying system, particularly an asphalt pump in the conveying system is easily damaged, the normal operation of production activities is influenced, even the production is forced to stop, therefore, most of the impurities are filtered out through an asphalt filter in the asphalt melting process, so that the filter holes of a filter component are easily blocked by filter residues during filtering, if the filter residues (impurities) are not cleaned in time, the asphalt filtering efficiency is directly influenced, therefore, after every certain time, the pump must be stopped for maintenance, a box cover is specifically opened, the filter component is taken out, and then the filter component is cleaned or replaced, so that the asphalt melting system has the following technical defects:
1. because the asphalt is in a high-temperature liquid state, the operation is inconvenient and the operator is hurt in the process of extracting and cleaning the filtering component, so that great potential safety hazards exist;
2. after the box cover is opened, the asphalt contains a large amount of volatile smoke, so that the working environment is polluted;
3. the filter element requires a long period of time to clean or replace, and therefore, the production efficiency of asphalt is low.
Meanwhile, when the asphalt is filtered, the inner surface of the filter element needs to be further cleaned, and the only implementation mode is that the filter element needs to be taken out first and then cleaned or replaced, so that the operation is very inconvenient.
Disclosure of Invention
In order to overcome the drawbacks of the prior art, it is an object of the present invention to provide an improved bitumen filter which enables on-line cleaning of filter residues. The asphalt is not required to be taken out of the filter component regardless of being in the process of filtering or being in the process of completing filtering, so that the online cleaning of filter residues inside the filter component can be realized, the operation is very convenient, the potential safety hazard caused by asphalt filtering is eliminated, and meanwhile, the production of asphalt continuity and high efficiency can be realized.
In order to achieve the aim, the invention provides an asphalt filter capable of cleaning filter residues on line, which comprises a device body with a feeding hole and a discharging hole, and a filter component arranged in the device body and provided with a feeding hole and a filtering hole, wherein the feed inlet is communicated with the feed inlet, the filter outlet is communicated with the discharge outlet, the asphalt is filtered from the filter outlet after passing through the filter component, the filtered substances in the asphalt are intercepted on the filter component, particularly, a slag discharge channel is also formed in the device body, the filter component is also provided with a slag discharge port communicated with the slag discharge channel, the asphalt filter also comprises a scraping plate attached to the surface of the filter component for intercepting filter slag and a pushing mechanism for pushing the scraping plate to move on the filter component, when the asphalt is in the filtering process or after the filtering process is finished, the filtered materials on the filtering component are scraped from the filtering component by the scraping plate and are discharged to the slag discharge channel under the pushing of the pushing mechanism.
Preferably, the filter member is removably disposed within the container body. Therefore, the filter component is convenient to replace.
According to a specific implementation and preferred aspect of the invention, the filtering component is a mesh filter cylinder with a cylinder body and a cylinder bottom distributed with a plurality of filtering holes, and the filtering component is horizontally arranged in the device body, and the scraping plate is attached to the inner side of the cylinder wall of the mesh filter cylinder from the circumferential profile surface.
The ware body is the cylinder form, and the cover is established and is strained a periphery at the mesh, and simultaneously, the ware body also is formed by upper cover and lower cover concatenation, and the ware body still gathers the hopper including setting up on the lower cover simultaneously, and consequently, its feed inlet sets up on the upper cover, and the discharge gate setting is in the bottom of gathering the hopper.
Preferably, the nozzle of the mesh filter cylinder forms a slag discharge port, and the mesh filter cylinder is formed by splicing two halves or a plurality of filter cylinder plates; the feed inlet is arranged close to the cylinder bottom, and the asphalt filter further comprises a positioning shaft for positioning the mesh filter cylinder in the device body from the cylinder bottom.
According to another specific implementation and preferred aspect of the invention, the mesh filter cylinder is cylindrical, the feeding port is arc-shaped around the center of the mesh filter cylinder, a wheel disc which rotates around the horizontal direction is arranged on the side wall of the device body corresponding to the connecting cylinder bottom, the positioning shaft is fixed on the wheel disc, the asphalt filter further comprises a communicating hopper which is used for communicating the feeding port with the feeding port, and a driving component which drives the wheel disc to rotate in the forward and reverse directions so as to drive the mesh filter cylinder to rotate around the axis of the communicating hopper, wherein when the mesh filter cylinder is in a non-rotating state, the communicating hopper is positioned in the middle of the; when the mesh filter cylinder rotates, the mesh filter cylinder takes the communicating hopper as a reference, and the forward and reverse rotation angle is half of the central angle corresponding to the arc-shaped section.
Preferably, the arc-shaped section corresponds to a central angle of 10 ° -30 °. In this example, the arc segment corresponds to a central angle of 30 ° such that the mesh filter cartridge rotates 15 ° forward, then rotates 0 ° and then rotates 15 ° backward. That is to say, in the forward and reverse rotation process, the filtration of pitch is more favorable to, also is convenient for the clearance of filter residue simultaneously.
Preferably, the periphery of the wheel disc is provided with a set of gear teeth, and the drive assembly comprises a drive gear engaged with the set of gear teeth, and a motor and a transmission member.
Preferably, the pushing mechanism comprises a push rod which extends into the mesh filter cylinder from the inner parts of the wheel disc and the positioning shaft and is fixedly connected with the scraping plate, a sealing piece used for connecting the push rod with the device body in a sealing mode, and a driving unit used for driving the push rod to move along the length direction of the push rod.
According to a further embodiment and preferred aspect of the present invention, the filter member may be a mesh filter plate having a plurality of filter holes and laterally intercepted in the body between the inlet port and the outlet port, the body being divided into an upper chamber and a lower chamber communicating with the filter holes, the scraper being located in the upper chamber and attached to the upper surface of the mesh filter plate from the lower end portion.
Specifically, the mesh filter plate level sets up, and the ware body is the cuboid form, and wherein the top of cavity is gone up in the feed inlet setting, and the discharge gate setting is in cavity bottom down, and in order to make things convenient for the pumping after filtering to flow, can also set up one in cavity bottom down and assemble the hopper.
The pushing mechanism comprises a push rod penetrating from the outer side of the device body and fixedly connected with the scraper, a sealing piece used for connecting the push rod with the device body in a sealing mode, and a driving unit driving the push rod to move along the length direction of the push rod.
Preferably, the push rod is a first screw rod, the driving unit comprises a positioning seat positioned at the outer side of the device body, a first nut arranged on the positioning seat and matched with the first screw rod, and a first driving piece driving the first nut to rotate, and after the first nut is driven to rotate, the first screw rod linearly moves along the length direction of the first screw rod. The manner of engagement of the lead screw nut is common knowledge in the art and is not elaborated upon herein by the applicant, but it is clear that a linear movement of the first lead screw must be achieved.
Preferably, the driving unit further comprises a first sensor for monitoring the movement stroke of the first lead screw, and a first processor communicated with the first driving part and the first sensor circuit and/or information, wherein the first processor can set the movement stroke of the scraper, and when the stroke information obtained by the first sensor is matched with the set movement stroke, the first processor gives an instruction to the first driving part to stop rotating or reversely rotating.
In addition, the vertical setting of sediment passageway, pitch filter still including set up in the sediment passageway bottom the sediment discharge valve, set up in sediment passageway inside can push out the sediment passageway with the filter residue push away the sediment board and drive and push away the sediment board along sediment passageway length direction moving actuating mechanism, wherein when the scraper blade removes to row's cinder notch and separates two independent spaces of formation with ware body and sediment passageway mutually, the sediment valve is opened, and sediment passageway is discharged to the filter residue. The applicant thus set the object of: prevent that the sediment valve from causing this internal pressure release of ware, that is to say, when arranging the sediment, can also continue to filter work to realize arranging the sediment on line. The applicant also states that "online slag removal" and "online cleaning" are two different concepts, and in the present application, the solution according to claim 1 can achieve "online cleaning" of the filter residue, that is, only discharging to the slag removal channel; the proposal related to the claim 10 is that on the basis of the claim 1, the filter slag in the slag discharging channel is further discharged, thereby realizing the 'on-line slag discharging'.
Preferably, the driving mechanism comprises a second screw rod extending along the length direction of the slag discharging channel and hermetically connected with the slag discharging channel body, a second nut matched with the second screw rod and driving the second screw rod to linearly move along the vertical direction, a second driving part for driving the second nut to rotate, a second sensor for monitoring the movement stroke of the second screw rod, and a second processor communicated with the second driving part, a second sensor circuit and/or information, wherein the second processor can set the movement stroke of the slag pushing plate, and when the stroke information obtained by the second sensor is matched with the set movement stroke, the second processor gives an instruction of stopping rotation or reverse rotation to the second driving part.
In particular, the driving mechanism is almost the same as the driving unit structure, and the difference is that one drives the scraper to move and the other drives the slag pushing plate to move. The cooperation of the second screw with the second nut in the drive mechanism is therefore also conventional in the art and will not be described in detail here.
Compared with the prior art, the invention has the following advantages:
the asphalt of the invention can realize the on-line cleaning of the filter residue in the filter component without taking out the filter component whether in the process of filtering or after the filtering is finished, the operation is very convenient, the potential safety hazard caused by asphalt filtering is eliminated, meanwhile, the continuous and efficient production of the asphalt can be realized, in addition, the structure is simple, the implementation is convenient, and the cost is low.
Drawings
FIG. 1 is a schematic front view of an asphalt filter according to example 1;
FIG. 2 is a left side schematic view of a portion of the structure of FIG. 1;
FIG. 3 is a schematic view showing the construction of the asphalt filter in example 2;
in the drawings: 1. a device body; 10. a feed inlet; 11. a discharge port; 12. a gathering hopper; 1a, an upper cavity; 1b, a lower cavity;
2. a filter member; 21. a filter-out aperture; 22. slag discharge port
3. A slag discharge channel;
4. a squeegee;
5. a pushing mechanism; 50. a push rod (first lead screw); 51. a seal member; 52. a drive unit; 520. positioning seats; 521. a first nut; 522. a first sensor; 523. a first processor;
6. a slag discharge valve;
7. a slag pushing plate;
8. a drive mechanism; 80. a second lead screw; 81. a second nut; 82. a second sensor; 83. a second processor;
a. positioning the shaft; b. a wheel disc; c. the hopper is communicated; d. a drive assembly.
Detailed Description
Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Example 1
As shown in fig. 1 and fig. 2, the asphalt filter capable of online cleaning filter residue according to the present embodiment includes a device body 1 having a feeding port 10 and a discharging port 11, and a filtering component 2 disposed inside the device body 1 and having a feeding port and a filtering hole 21, wherein the feeding port 10 is communicated with the feeding port, the filtering hole 21 is communicated with the discharging port 11, asphalt passes through the filtering component 2 and is filtered out from the filtering hole 21, and filtered matters in the asphalt are intercepted on the filtering component 21.
In this example, a slag discharge channel 3 is further formed in the device body 1, the filter element 2 is further provided with a slag discharge port 22 communicated with the slag discharge channel 3, the asphalt filter further comprises a scraper 4 attached to the surface of the filter element 2 for intercepting filter residue, and a pushing mechanism 5 for pushing the scraper 4 to move on the filter element 2, when asphalt is in filtering or after the filtering is completed, the scraper 4 scrapes the filtered material on the filter element 2 off the filter element 2 and discharges the filtered material to the slag discharge channel 3 under the pushing of the pushing mechanism 5. Therefore, the on-line cleaning of filter residues is realized.
Specifically, the filter member 2 is detachably provided in the vessel body 1. Thus, the filter element 2 is relatively easily replaced.
The filter component 2 is a mesh filter cylinder with a plurality of filter holes distributed on the cylinder body and the cylinder bottom, and is horizontally arranged in the device body 1, and the scraping plate 4 is attached to the inner side of the cylinder wall of the mesh filter cylinder from the circumferential profile surface.
In this example, the mesh filter cartridge is cylindrical and is formed by splicing two filter cartridge halves.
The device body 1 is also cylindrical and is sleeved on the periphery of the mesh filter cylinder.
The device body 1 is formed by splicing an upper cover and a lower cover, and meanwhile, the device body 1 further comprises a gathering hopper 12 arranged on the lower cover.
The feed inlet 10 is arranged on the upper cover, and the discharge outlet 11 is arranged at the bottom of the gathering hopper 12.
The scraper 4 is disc-shaped, and is attached to the inner wall of the mesh filter cylinder from the circumferential profile surface.
In this example, the inner wall surface of the mesh filter cartridge (stainless steel) is smooth, and the outer peripheral surface of the scraper 4 (stainless steel) is also smooth, that is, the frictional force therebetween is very small.
In order to further improve the efficiency of asphalt filtration, in the embodiment, the mesh filter cylinder is driven to rotate forwards and backwards within an angle range of +/-15 degrees around the axis direction of the mesh filter cylinder, so that asphalt falling into the mesh filter cylinder is easier to filter out from the filter holes 21, and the difficulty of online cleaning filter residues is greatly reduced.
Specifically, the nozzle of the mesh filter cylinder forms a slag discharge opening 22, the feeding opening is arranged close to the cylinder bottom, and the feeding opening is an arc-shaped section around the center of the mesh filter cylinder.
The asphalt filter also comprises a positioning shaft a for positioning the mesh filter cartridge in the device body 1 from the cartridge bottom, wherein a rotary disc b rotating around the horizontal direction is arranged on the side wall of the device body 1 corresponding to the connecting cartridge bottom, and the positioning shaft a is fixed on the rotary disc b.
Further, the asphalt filter also comprises a communicating hopper c which extends into the mesh filter cylinder from the feeding port and is communicated with the feeding port 10, and a driving component d which drives the rotary disc b to rotate forward and backward so as to drive the mesh filter cylinder to rotate around the axis of the mesh filter cylinder, wherein when the mesh filter cylinder is in a non-rotating state, the communicating hopper c is positioned in the middle of the arc-shaped section; when the mesh filter cylinder rotates, the mesh filter cylinder takes the communicating hopper as a reference, and the forward and reverse rotation angle is half of the central angle corresponding to the arc-shaped section.
In this example, the arc segment corresponds to a central angle of 30 ° such that the mesh filter cartridge rotates 15 ° forward, then rotates 0 ° and then rotates 15 ° backward. That is to say, in the process of forward and reverse rotation (small angle), the filtration of the asphalt is more facilitated, and the cleaning of the filter residue is also facilitated.
As for the driving of the wheel disc, a transmission gear transmission mode is adopted in the present example, specifically, transmission teeth are arranged on the periphery of the wheel disc, and the driving component comprises a driving gear meshed with the transmission teeth, a motor and a transmission part.
The pushing mechanism 5 comprises a push rod 50 which extends into the mesh filter cylinder from the inner parts of the wheel disc b and the positioning shaft a and is fixedly connected with the scraper 4, a sealing element 51 for sealing and connecting the push rod 50 with the device body 1, and a driving unit 52 for driving the push rod 50 to move along the length direction thereof.
The push rod 50 is a first lead screw, the driving unit 52 includes a positioning seat 520 positioned outside the device body 1, a first nut 521 disposed on the positioning seat 520 and engaged with the first lead screw, a first driving member (not shown) for driving the first nut 521 to rotate, a first sensor 522 for monitoring a movement stroke of the first lead screw, and a first processor 523 in circuit and/or information communication with the first driving member and the first sensor 522, wherein after the first nut 521 is driven to rotate, the first lead screw moves linearly along a length direction thereof. The manner of engagement of the lead screw nut is common knowledge in the art and is not elaborated upon herein by the applicant, but it is clear that a linear movement of the first lead screw must be achieved.
The first processor 523 can set the moving stroke of the squeegee 4, and when the stroke information obtained by the first sensor 522 matches the set moving stroke, the first processor 523 gives an instruction to the first driving member to stop the rotation or reverse the rotation.
In this embodiment, the slag discharge channel 3 is vertically arranged, and the asphalt filter further comprises a slag discharge valve 6 arranged at the bottom of the slag discharge channel 3, a slag pushing plate 7 arranged inside the slag discharge channel 3 and capable of pushing the filter slag out of the slag discharge channel 3, and a driving mechanism 8 for driving the slag pushing plate 7 to move along the length direction of the slag discharge channel 3, wherein when the scraper 4 moves to the slag discharge port and separates the device body 1 and the slag discharge channel 3 to form two independent spaces, the slag discharge valve 6 is opened, the filter slag is discharged out of the slag discharge channel 3, and "online slag discharge" is realized.
The driving mechanism 8 comprises a second screw rod 80 extending along the length direction of the slag discharging channel 3 and hermetically connected with the device body 1, a second nut 81 matched with the second screw rod 80 and driving the second screw rod 80 to linearly move along the vertical direction, a second driving member (not shown) for driving the second nut 81 to rotate, a second sensor 82 for monitoring the movement stroke of the second screw rod 81, and a second processor 83 communicated with the second driving member and the second sensor 82 through circuits and/or information, wherein the second processor 83 can set the movement stroke of the slag pushing plate 7, and when the stroke information obtained by the second sensor 82 is matched with the set movement stroke, the second processor 82 gives an instruction of stopping rotation or reversely rotating to the second driving member.
Specifically, the driving mechanism 8 has almost the same structure as the driving unit 52 described above, except that one drives the scraper 4 to move and the other drives the slag pushing plate 7 to move. The cooperation of the second screw with the second nut in the drive mechanism is therefore also conventional in the art and will not be described in detail here.
The implementation process of this embodiment is as follows:
the melted asphalt enters the mesh filter cylinder from the feeding hole 10, flows from the filtering hole 21 to the gathering hopper 12 at the bottom of the device body 1 under the negative pressure formed by the asphalt pump, the impurities (also called filter residue) in the asphalt are formed in the mesh filter cylinder, when the asphalt needs to be cleaned, the filtration efficiency of the asphalt is improved through the forward and reverse rotation of the mesh filter cylinder, meanwhile, the scraper 4 moves to the end part provided with the slag discharging channel 3 along the mesh filter cylinder under the action of the pushing mechanism, so that the filter residue is pushed into the slag discharging channel 3, further realizing the on-line cleaning of the filter residue, opening the slag discharging valve 6 after the scraper 4 moves to the junction of the slag discharging port and the slag discharging channel 3 and separates the device body 1 and the slag discharging channel 3 into two independent spaces, under pushing away sediment board 7 and promoting, the filter residue discharges filter residue passageway 3, and then realizes arranging the sediment on line of filter residue (so, arrange the filtration that also can not influence the pitch when arranging the sediment).
Example 2
As shown in fig. 3, the asphalt filter according to the present embodiment has a structure substantially the same as that of example 1, except that:
in this example, the device body 1 is a rectangular parallelepiped shape, the filter member 2 is a mesh filter plate having a plurality of filter holes 21, and is horizontally held in the device body 1, so that the device body 1 is divided into an upper chamber 1a and a lower chamber 1b communicating with each other through the filter holes 21, and the scraper 4 is located in the upper chamber 1a and attached to the upper surface of the mesh filter plate from the lower end.
The slag discharge channel 3 is located at the end of the rectangular parallelepiped and communicates with the upper chamber 1 a.
Then, the pushing mechanism according to the present example is slightly different from the pushing mechanism according to embodiment 1 in that the push rod in the present example is extended into the tool body 1 from the outside of the tool body 1 perpendicularly to the squeegee 4.
The implementation process of this embodiment is as follows:
molten asphalt enters from a feeding hole in the upper cavity 1a, under the negative pressure formed by an asphalt pump, through interception of the mesh filter plate, sundries (also called filter residues) in the asphalt are formed on the upper surface of the mesh filter plate, when the molten asphalt needs to be cleaned, the scraper 4 moves to the end part of the slag discharge channel 3 along the mesh filter plate under the action of the pushing mechanism, so that the filter residues are pushed into the slag discharge channel, and then online cleaning of the filter residues is realized, after the scraper 4 moves to the junction of the upper cavity 1a and the slag discharge channel and separates the device body 1 and the slag discharge channel 3 to form two independent spaces, the slag discharge valve is opened, and the slag discharge channel is pushed by the slag pushing plate, so that online slag discharge of the filter residues is realized.
The above embodiments are merely illustrative of the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the content of the present invention and implement the invention, and not to limit the scope of the invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the scope of the present invention.
Claims (5)
1. The utility model provides a can clear up pitch filter of filter residue on line, its is in including the ware body that has feed inlet and discharge gate, setting the inside filter element who just has pan feeding mouth and straining hole of ware body, wherein the feed inlet with pan feeding mouth intercommunication, straining hole with the discharge gate intercommunication, pitch process behind the filter element certainly strain out the hole and filter out, the filtering thing in the pitch is intercepted on the filter element, its characterized in that: the device body is internally provided with a slag discharge channel, the filter element is also provided with a slag discharge port communicated with the slag discharge channel, the asphalt filter also comprises a scraper attached to the surface of the filter element for intercepting filter residues and a pushing mechanism for pushing the scraper to move on the filter element, when asphalt is in filtering or the filtering is completed, the scraper scrapes the filtered materials on the filter element off the filter element and discharges the filtered materials to the slag discharge channel under the pushing of the pushing mechanism,
the filter component is a mesh filter cylinder with a plurality of filter holes distributed on the cylinder body and the cylinder bottom, and is horizontally arranged in the device body, the scraping plate is attached to the inner side of the cylinder wall of the mesh filter cylinder from the circumferential profile surface, the slag discharge port is formed at the cylinder opening of the mesh filter cylinder, and the mesh filter cylinder is formed by splicing two or more filter cylinder plates; the feeding port is arranged close to the cylinder bottom and formed on the cylinder body, and the asphalt filter also comprises a positioning shaft for positioning the mesh filter cylinder in the device body from the cylinder bottom;
the asphalt filter comprises a cylindrical mesh filter cylinder, a feeding hole, a positioning shaft, a connecting hopper and a driving assembly, wherein the mesh filter cylinder is cylindrical, the feeding hole is in an arc-shaped section around the center of the mesh filter cylinder, the side wall of the device body correspondingly connected with the cylinder bottom is provided with a wheel disc rotating around the horizontal direction, the positioning shaft is fixed on the wheel disc, the asphalt filter also comprises the connecting hopper used for communicating the feeding hole with the feeding hole, and the driving assembly used for driving the wheel disc to rotate in the forward and reverse directions so as to drive the mesh filter cylinder to rotate around the axis of the connecting hopper, and when the mesh filter cylinder is in a non-rotating state, the connecting hopper is; when the mesh filter cylinder rotates, the mesh filter cylinder takes the communicating hopper as a reference, and the forward and reverse rotation angle is half of the central angle corresponding to the arc-shaped section;
the vertical setting of sediment passageway, the pitch filter is still including setting up sediment discharge valve, the setting of sediment passageway bottom be in sediment passageway inside can push out the filter residue push away sediment board and the drive of sediment passageway push away the sediment board along the actuating mechanism of sediment passageway length direction motion, wherein work as the scraper blade removes extremely the row's cinder notch and will the ware body with when sediment passageway separates mutually and forms two independent spaces, the sediment discharge valve open, the filter residue is discharged sediment passageway.
2. The asphalt filter capable of cleaning filter residue on line according to claim 1, wherein: the filter component is detachably arranged in the device body.
3. The asphalt filter capable of cleaning filter residue on line according to claim 1, wherein:
the central angle corresponding to the arc-shaped section is 10-30 degrees.
4. The asphalt filter capable of cleaning filter residue on line according to claim 1, wherein: the periphery of rim plate is equipped with the driving cog, drive assembly including with the drive gear of driving cog meshing, and motor and driving medium.
5. The asphalt filter capable of cleaning filter residue on line according to claim 4, wherein: the pushing mechanism comprises a push rod, a sealing piece and a driving unit, wherein the push rod extends into the mesh filter cylinder from the inner parts of the wheel disc and the positioning shaft and is fixedly connected with the scraping plate, the sealing piece is used for connecting the push rod with the device body in a sealing mode, and the driving unit drives the push rod to move along the length direction of the push rod.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910127063.6A CN109806642B (en) | 2019-02-20 | 2019-02-20 | Asphalt filter capable of cleaning filter residues on line |
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| CN201910127063.6A CN109806642B (en) | 2019-02-20 | 2019-02-20 | Asphalt filter capable of cleaning filter residues on line |
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| CN109806642B true CN109806642B (en) | 2021-06-18 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111687008B (en) * | 2020-06-20 | 2021-05-25 | 杭州伟业纺织有限公司 | Coating machine and environment-friendly coating process thereof |
| CN111686523A (en) * | 2020-06-24 | 2020-09-22 | 吴剑荣 | Shellfish-imitated scale type three-way filter pipe |
| CN111804031B (en) * | 2020-07-02 | 2022-05-17 | 深圳市正达环境工程实业有限公司 | Pipeline type online slag discharge filter and sewage treatment equipment |
| CN114112537B (en) * | 2021-12-10 | 2024-04-05 | 内蒙古自治区环境监测中心站 | Air-packing belt water quality sampling and rapid detection equipment |
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| CN202620854U (en) * | 2012-07-09 | 2012-12-26 | 湖北金环股份有限公司 | Slag-solution separation device for soluble materials |
| CN105080199A (en) * | 2014-05-05 | 2015-11-25 | 北京中天京谷机电设备制造有限公司 | Horizontal round roller type filter |
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| DE102010034098A1 (en) * | 2010-08-12 | 2012-02-16 | Rudolf Bischof Gmbh Technische Handelsvertretungen | Strainer rake apparatus for extracting and excavation of solids from waste water during sewage treatment process, has attack portion designed in flexible manner to engage on screen surface in screen openings |
| CN205235529U (en) * | 2015-12-09 | 2016-05-18 | 台州创兴环保科技有限公司 | High -efficient scrubbing sewage treatment pond |
| CN108855855A (en) * | 2018-06-05 | 2018-11-23 | 黄关颖 | A kind of drum-type animal husbandry material screening device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202620854U (en) * | 2012-07-09 | 2012-12-26 | 湖北金环股份有限公司 | Slag-solution separation device for soluble materials |
| CN105080199A (en) * | 2014-05-05 | 2015-11-25 | 北京中天京谷机电设备制造有限公司 | Horizontal round roller type filter |
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