CN108704853B - Device for cleaning plastic bags in sludge - Google Patents
Device for cleaning plastic bags in sludge Download PDFInfo
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- CN108704853B CN108704853B CN201810662458.1A CN201810662458A CN108704853B CN 108704853 B CN108704853 B CN 108704853B CN 201810662458 A CN201810662458 A CN 201810662458A CN 108704853 B CN108704853 B CN 108704853B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B13/00—Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B13/00—Grading or sorting solid materials by dry methods, not otherwise provided for; Sorting articles otherwise than by indirectly controlled devices
- B07B13/14—Details or accessories
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- Treatment Of Sludge (AREA)
Abstract
The invention discloses a device for cleaning plastic bags in sludge, which comprises: the needle roller is formed by coaxial concatenation in proper order by first drum, second drum, third drum, the outer periphery of second drum evenly spaced is provided with a plurality of felting needle subassemblies, and each felting needle subassembly includes: the base column is vertically connected to the inner circumferential surface of the second cylinder, a counter bore is formed in the second cylinder, the counter bore extends into the base column, and an internal thread is formed in the inner wall of a large hole of the counter bore; an end cap removably connected in the counterbore; the long needle is arranged in the countersunk hole, the needle point penetrates out of the central hole of the annular end plate, and a spring is further arranged in the countersunk hole. The invention can collect plastic bags in sludge before dehydrating, drying and incinerating municipal domestic sludge, and the root of the long needle is abutted in the counter bore through the spring and can be contracted after touching a hard object, thereby preventing the long needle from being bent by rancour and effectively protecting the long needle.
Description
Technical Field
The invention relates to the field of sludge treatment. More particularly, the invention relates to a device for cleaning plastic bags in sludge.
Background
Along with the development of urban construction and the improvement of living standard, the generation amount of urban domestic sludge is increased, and the urban environment and the air quality are affected by long-term accumulation. Because the municipal domestic sludge contains a large amount of impurities, such as plastic bags and other white garbage, the sludge treatment is free from means of dehydration, drying, incineration and the like, toxic and harmful gases are easily generated, and sludge treatment equipment is easily damaged in the treatment process, so the impurities need to be cleaned out and treated in different types before the municipal domestic sludge is treated.
Disclosure of Invention
An object of the present invention is to solve at least the above problems and to provide at least the advantages described later.
It is still another object of the present invention to provide an apparatus for cleaning plastic bags in sludge, which is pre-treated before the municipal sludge is dewatered, dried and incinerated.
To achieve these objects and other advantages in accordance with the present invention, there is provided an apparatus for cleaning plastic bags in sludge, comprising:
the upper end of the plastic bag cleaning box is open;
the sludge conveying belt is horizontally arranged in the plastic bag cleaning box, and a discharging opening is formed in the part, located below the tail of the sludge conveying belt, of the bottom surface of the plastic bag cleaning box and located between the plastic bag cleaning box and the side plate, opposite to the tail of the sludge conveying belt;
a plurality of plastic bag cleaning device, it set up in the plastic bag cleaning box mud conveyer belt top, each plastic bag cleaning device all includes:
the main gas pipe is horizontally arranged in the plastic bag cleaning box in a mode that the axis of the main gas pipe is perpendicular to the conveying direction of the sludge conveying belt, two ends of the main gas pipe are respectively and fixedly connected to a pair of side plates of the plastic bag cleaning box, the side plates of the side plates are parallel to the conveying direction of the sludge conveying belt, a first through hole communicated with the interior of the main gas pipe is formed in one plate surface of the side plates, a plurality of groups of branch gas pipes are arranged on the part, opposite to the sludge conveying belt, of the main gas pipe, the branch gas pipes are evenly distributed on the upward circumferential surface of the main gas pipe along the axial direction of the main gas pipe at intervals, each group of branch gas pipes comprises a plurality of branch gas pipe units, the branch gas pipe units are evenly distributed on the same vertical section of the main gas pipe along the circumferential direction of the main gas pipe at;
the air blower is arranged outside the plastic bag cleaning box, and an air outlet of the air blower is communicated with the first through hole;
the needle roller is formed by sequentially and coaxially splicing a first cylinder, a second cylinder and a third cylinder, the inner diameters of the first cylinder and the third cylinder are larger than the outer diameter of the main air pipe, the inner radius of the second cylinder is larger than the sum of the section radius of the outer wall of the main air pipe and the length of the branch air pipe unit, the length of the needle roller is the same as the length of the main air pipe, the length of the second cylinder is the same as the width of the sludge conveying belt, the needle roller is sleeved outside the main air pipe, the position of the second cylinder corresponds to the position of the main air pipe on which a plurality of groups of branch air pipes are arranged, the first cylinder and the third cylinder are rotatably connected with the main air pipe through bearings, the third cylinder is positioned at one end, far away from the first through hole, of the main air pipe, and a plurality of groups of second through holes with the same number as the plurality of groups of branch air pipes are uniformly arranged on the outer circumferential surface of the second cylinder at intervals, every group second through-hole includes a plurality of second through-hole units, and a plurality of second through-hole units are in same vertical cross-section of second drum is followed the even interval distribution of circumference of second drum, the axis contained angle of two adjacent second through-hole units is the same with the axis contained angle of two adjacent trachea units, the position of multiunit second through-hole respectively with the position one-to-one of multiunit trachea, the outer periphery of second drum is still evenly spaced and is provided with a plurality of felting needle subassemblies, each felting needle subassembly includes:
the base column is cylindrical and is vertically connected to the inner circumferential surface of the second cylinder, a counter bore coaxial with the base column is formed in the outer circumferential surface of the second cylinder, and the counter bore extends to the base
An internal thread is arranged on the inner wall of a large hole of the counter sink inside the column;
the end cover is cylindrical, one end of the end cover is connected with an annular end plate, the length of the end cover is the same as the depth of a large hole of the counter sink, the outer diameter of the end cover is slightly smaller than the inner diameter of the large hole of the counter sink, the inner diameter of the end cover is the same as the inner diameter of a small hole of the counter sink, and the outer circumferential surface of the end cover is provided with a groove which is matched with the internal thread
The end cover is detachably connected into the counter bore;
the diameter of the long needle is slightly smaller than the inner diameter of the annular end plate, the root part of the long needle is coaxially connected with a circular baffle plate, the diameter of the circular baffle is slightly smaller than the inner diameter of the end cover, the other side plate surface of the circular baffle is coaxially connected with a guide post, the diameter of the guide post is smaller than that of the circular baffle, the length of the guide post is smaller than the depth of the counter sink, the long needle is arranged in the counter sink, the needle point penetrates out of the central hole of the annular end plate, the circular baffle and the guide post are positioned in the countersunk hole, a spring is also arranged in the countersunk hole and sleeved outside the guide post, one end of the spring is propped against the round baffle plate, the other end of the spring is propped against the bottom end of the counter sink, the length of the long needle is equal to the distance from the lowest part of the second cylinder to the sludge conveyor belt;
a motor arranged outside the plastic bag cleaning box, wherein an annular third through hole corresponding to the third cylinder is arranged on a side plate of the plastic bag cleaning box close to the third cylinder, and an output shaft of the motor passes through the second through hole
The three through holes are coaxially connected with one end of the third cylinder so as to drive the needle roller to rotate;
the plastic bag cleaning devices are sequentially arranged from front to back along the conveying direction of the conveyor belt, and are all positioned at the same height in the plastic bag cleaning box;
the plastic bag cleaning box comprises an exhaust fan, an exhaust pipe and a plurality of plastic bag cleaning devices, wherein the exhaust fan is arranged outside the plastic bag cleaning box and communicated with the exhaust pipe, and the pipe opening of the exhaust pipe is downward opposite to the plastic bag cleaning devices.
Preferably, the main air duct is connected to a pair of horizontal partitions along a generatrix to divide the interior of the second cylinder into upper and lower spaces.
Preferably, the long needle is made of corrosion-resistant alloy.
Preferably, the lowest point of the needle roller rotates in the direction opposite to the conveying direction of the sludge conveying belt.
Preferably, an electric heating wire is disposed inside the main air pipe.
Preferably, the surface of the sludge conveying belt is coated with a corrosion-resistant coating.
The invention at least comprises the following beneficial effects:
the sludge is laid on the sludge conveying belt to be spread into a sludge layer with a certain thickness, the sludge layer is rolled from the sludge layer by using the needle roller, the long needle on the needle roller is inserted into the sludge layer to puncture the plastic bag, and meanwhile, the plastic bag is taken out from the sludge layer, so that the plastic bag is attached to the surface of the second cylinder, high-pressure air flows are introduced into a main air pipe in the needle roller and come out from a bronchus unit with an upward opening, when the axis of the bronchus unit is superposed with the axis of a second through hole unit on the surface of the second cylinder, the air flows are blown out from the second through hole to the maximum extent, the plastic bag is blown by the high-pressure air flows, the plastic bag is separated from the second cylinder, and at the moment, the plastic bag is sucked and collected by strong suction force generated. Need not the plastic bag in the artifical clearance mud like this, also avoided mud dehydration in-process plastic bag winding dehydration cylinder simultaneously, still make the sludge treatment process can not produce poisonous and harmful gas because of the burning of plastic bag. And the root of the long needle is abutted to the countersunk hole through the spring, if sludge contains hard impurities such as concrete blocks or stones, the long needle can be contracted after contacting, so that the long needle is prevented from being bent by rancour, and the long needle is effectively protected.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a schematic diagram of the internal structure of one embodiment of the present invention;
FIG. 2 is a schematic side view of an embodiment of the present invention;
FIG. 3 is a schematic structural view of a needle roller according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of the main air tube according to an embodiment of the present invention;
FIG. 5 is a schematic view of the lancet assembly according to one embodiment of the present invention.
Detailed Description
The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description text.
It should be noted that in the description of the present invention, the terms "lateral", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
As shown in FIGS. 1 to 5, the invention provides a device for cleaning plastic bags in sludge, comprising:
the upper end of the plastic bag cleaning box 1 is open;
the sludge conveying belt 2 is horizontally arranged in the plastic bag cleaning box 1, and a discharging hole is formed in the part, between the bottom surface of the plastic bag cleaning box 1 and the lower part of the tail part of the sludge conveying belt 2, of the plastic bag cleaning box 1 and the side plate of the plastic bag cleaning box 1, which is opposite to the tail part of the sludge conveying belt 2;
a plurality of plastic bag cleaning device, its set up in the plastic bag cleaning box 12 tops of mud conveyer belt, each plastic bag cleaning device all includes:
a main air pipe 3 horizontally arranged in the plastic bag cleaning box 1 in a manner that the axis is vertical to the conveying direction of the sludge conveying belt 2, two ends of the main air pipe 3 are respectively and fixedly connected to a pair of side plates of the plastic bag cleaning box 1 which are parallel to the conveying direction of the sludge conveying belt 2, one plate surface of the pair of side plates is provided with a first through hole communicated with the interior of the main air pipe 3, a plurality of groups of branch air pipes are arranged on the part of the main air pipe 3, which is back to the sludge conveying belt 2, and are uniformly distributed at intervals along the axial direction of the main air pipe 3 on the upward circumferential surface of the main air pipe 3, each group of branch air pipes comprises a plurality of branch air pipe units 4, the plurality of branch air pipe units 4 are uniformly distributed at intervals along the circumferential direction of the main air pipe 3 on the same vertical section of the main air pipe 3, and each branch air pipe unit 4 is communicated with the inside of the main air pipe 3;
the air blower is arranged outside the plastic bag cleaning box 1, and an air outlet of the air blower is communicated with the first through hole;
the needle roller is formed by sequentially and coaxially splicing a first cylinder 5, a second cylinder 6 and a third cylinder 7, wherein the inner diameters of the first cylinder 5 and the third cylinder 7 are larger than the outer diameter of the main air pipe 3, the inner radius of the second cylinder 6 is larger than the sum of the outer wall section radius of the main air pipe 3 and the length of the branch air pipe unit 4, the outer diameter of the second cylinder 6 is also larger than the outer diameters of the first cylinder 5 and the third cylinder 7, two ends of the second cylinder 6 are coaxially provided with annular cover plates respectively, the first cylinder 5 and the third cylinder 7 are respectively and coaxially connected onto the annular cover plates at two ends of the second cylinder 6, the inner diameter of the annular cover plate connected with the first cylinder 5 is the same as that of the first cylinder 5, the inner diameter of the annular cover plate connected with the third cylinder 7 is the same as that of the third cylinder 7, and the length of the needle roller is the same as that of the main air pipe 3, the length of the second cylinder 6 is the same as the width of the sludge conveying belt 2, the needle roller sleeves the outside of the main air pipe 3, the position of the second cylinder 6 corresponds to the position of a plurality of groups of branch air pipes arranged on the main air pipe 3, the first cylinder 5 and the third cylinder 7 are rotatably connected with the main air pipe 3 through bearings, the third cylinder 7 is positioned at one end of the main air pipe 3 far away from the first through hole, a plurality of groups of second through holes with the same number as the plurality of groups of branch air pipes are uniformly arranged on the outer circumferential surface of the second cylinder 6 at intervals, each group of second through holes comprises a plurality of second through hole units 8, the plurality of second through hole units 8 are uniformly distributed on the same vertical section of the second cylinder 6 at intervals along the circumferential direction of the second cylinder 6, and the axial included angle of two adjacent second through hole units 8 is the same as the axial included angle of two adjacent branch air pipe units 4, the position of multiunit second through-hole respectively with the position one-to-one of multiunit bronchus, the outer periphery of second drum 6 still evenly spaced is provided with a plurality of felting needle subassemblies, each felting needle subassembly includes:
the base column 9 is cylindrical, the base column 9 is vertically connected to the inner circumferential surface of the second cylinder 6, a counter bore coaxial with the base column 9 is formed in the outer circumferential surface of the second cylinder 6, the counter bore extends into the base column 9, and an internal thread is formed in the inner wall of a large hole of the counter bore;
the end cover 10 is cylindrical, one end of the end cover 10 is connected with an annular end plate, the length of the end cover 10 is the same as the depth of a large hole of the counter sink, the outer diameter of the end cover 10 is slightly smaller than the inner diameter of the large hole of the counter sink, the inner diameter of the end cover 10 is the same as the inner diameter of a small hole of the counter sink, an external thread matched with the internal thread is arranged on the outer circumferential surface of the end cover 10, and the end cover 10 is detachably connected in the counter sink;
the diameter of the long needle 11 is slightly smaller than the inner diameter of the annular end plate, the root part of the long needle 11 is coaxially connected with a circular baffle plate 12, the diameter of the circular baffle 12 is slightly smaller than the inner diameter of the end cover 10, the other side plate surface of the circular baffle 12 is coaxially connected with a guide post 13, the diameter of the guide post 13 is smaller than that of the circular baffle 12, the length of the guide post 13 is smaller than the depth of the counter sink, the long needle 11 is arranged in the counter sink, the needle point penetrates out of the central hole of the annular end plate, the circular baffle plate 12 and the guide post 13 are positioned in the countersunk hole, a spring 14 is also arranged in the countersunk hole, the spring 14 is sleeved outside the guide post 13, and one end of the spring 14 is abutted against the circular baffle 12, the other end is abutted against the bottom end of the counter sink, the length of the long needle 11 is equal to the distance between the lowest part of the second cylinder 6 and the sludge conveyor belt 2;
the motor is arranged outside the plastic bag cleaning box 1, an annular third through hole corresponding to the third cylinder 7 is formed in a side plate, close to the third cylinder 7, of the plastic bag cleaning box 1, and an output shaft of the motor is coaxially connected with one end of the third cylinder 7 through the third through hole so as to drive the needle roller to rotate;
the plastic bag cleaning devices are sequentially arranged from front to back along the conveying direction of the conveyor belt, and are all positioned at the same height in the plastic bag cleaning box 1;
and the exhaust fan is arranged outside the plastic bag cleaning box 1 and is communicated with an exhaust pipe, and the pipe orifice of the exhaust pipe is downward opposite to the plurality of plastic bag cleaning devices.
In the use process of the embodiment, the municipal domestic sludge is slowly poured into the plastic bag cleaning box 1, so that the sludge is uniformly spread on the sludge conveying belt 2, then the sludge conveying belt 2, the blower, the motor and the exhaust fan are started, the needle roller rolls on the surface of the sludge conveying belt, the long needle 11 on the needle roller penetrates into the sludge layer to puncture the plastic bag, meanwhile, the plastic bag is taken out of the sludge layer, so that the plastic bag is attached to the surface of the second cylinder 6, the blower blows high-pressure air flow into the main air pipe 3 in the needle roller, the high-pressure air flow goes out from the branch air pipe unit 4 with an upward opening along the main air pipe 3, when the axis of the branch air pipe unit 4 and the axis of the second through hole unit 8 on the surface of the second cylinder 6 are coincident, the high-pressure air flow blows out from the second through hole to the maximum amount, the plastic bag is blown by the high-pressure air flow, so that, at this time, the plastic bag is sucked and collected by the strong suction force generated by the suction fan. Need not the plastic bag in the artifical clearance mud like this, also avoided mud dehydration in-process plastic bag winding dehydration cylinder simultaneously, still make the sludge treatment process can not produce poisonous and harmful gas because of the burning of plastic bag. The root of the long needle 11 is abutted in the counter bore through the spring 14, if sludge contains hard impurities such as concrete blocks or stones, the long needle 11 can contract after contacting, the long needle 11 is prevented from being bent by rancour, and the long needle 11 is effectively protected.
In another embodiment, the main gas pipe 3 is connected with a pair of horizontal partition plates 15 along a generatrix to divide the interior of the second cylinder 6 into an upper space and a lower space, so that most of the high-pressure gas flow in the second cylinder 6 can be blown out from the second through hole units 8 on the upper half circumferential surface of the second cylinder 6, the gas pressure drop of the high-pressure gas flow is reduced, and the high-pressure gas flow is prevented from being blown out from the second through hole units 8 on the lower half circumferential surface of the second cylinder 6 to blow the plastic bag into the sludge again.
In another embodiment, the long needle 11 is made of corrosion-resistant alloy, and since sludge may contain various corrosive liquids, and the long needle 11 is easily corroded due to long-term contact with the sludge, the service life of the long needle 11 is prolonged by using the corrosion-resistant material.
In another embodiment, the rotation direction of the lowest point of the needle roller is opposite to the conveying direction of the sludge conveying belt 2, so that the plastic bags in the sludge and the long needles 11 at the lowest point of the needle roller move in opposite directions, the long needles 11 have certain interception effect on the plastic bags, the plastic bags are easier to puncture, and the collection efficiency of the needle roller on the plastic bags is improved.
In another embodiment, the heating wire is arranged inside the main gas pipe 3, so that the hot high-pressure gas flow blown out from the branch gas pipe unit 4 has a drying effect on the plastic bag just fished out from the sludge, so that the moisture attached to the surface of the plastic bag is evaporated, the weight of the plastic bag is light, and the plastic bag is easier to suck away by the exhaust fan.
In another embodiment, the surface of the sludge conveying belt 2 is coated with a corrosion-resistant coating, and the sludge conveying belt 2 is contacted with the sludge for a long time and is easy to corrode due to the fact that the sludge may contain various corrosive liquids, so that the service life of the sludge conveying belt 2 is prolonged by using the corrosion-resistant coating.
While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
Claims (6)
1. A device for clearing plastic bags in sludge is characterized by comprising:
the upper end of the plastic bag cleaning box is open;
the sludge conveying belt is horizontally arranged in the plastic bag cleaning box, and a discharging opening is formed in the part, located below the tail of the sludge conveying belt, of the bottom surface of the plastic bag cleaning box and located between the plastic bag cleaning box and the side plate, opposite to the tail of the sludge conveying belt;
a plurality of plastic bag cleaning device, it set up in the plastic bag cleaning box mud conveyer belt top, each plastic bag cleaning device all includes:
the main gas pipe is horizontally arranged in the plastic bag cleaning box in a mode that the axis of the main gas pipe is perpendicular to the conveying direction of the sludge conveying belt, two ends of the main gas pipe are respectively and fixedly connected to a pair of side plates of the plastic bag cleaning box, the side plates of the side plates are parallel to the conveying direction of the sludge conveying belt, a first through hole communicated with the interior of the main gas pipe is formed in one plate surface of the side plates, a plurality of groups of branch gas pipes are arranged on the part, opposite to the sludge conveying belt, of the main gas pipe, the branch gas pipes are evenly distributed on the upward circumferential surface of the main gas pipe along the axial direction of the main gas pipe at intervals, each group of branch gas pipes comprises a plurality of branch gas pipe units, the branch gas pipe units are evenly distributed on the same vertical section of the main gas pipe along the circumferential direction of the main gas pipe at;
the air blower is arranged outside the plastic bag cleaning box, and an air outlet of the air blower is communicated with the first through hole;
the needle roller is formed by sequentially and coaxially splicing a first cylinder, a second cylinder and a third cylinder, the inner diameters of the first cylinder and the third cylinder are larger than the outer diameter of the main air pipe, the inner radius of the second cylinder is larger than the sum of the section radius of the outer wall of the main air pipe and the length of the branch air pipe unit, the length of the needle roller is the same as the length of the main air pipe, the length of the second cylinder is the same as the width of the sludge conveying belt, the needle roller is sleeved outside the main air pipe, the position of the second cylinder corresponds to the position of the main air pipe on which a plurality of groups of branch air pipes are arranged, the first cylinder and the third cylinder are rotatably connected with the main air pipe through bearings, the third cylinder is positioned at one end, far away from the first through hole, of the main air pipe, and a plurality of groups of second through holes with the same number as the plurality of groups of branch air pipes are uniformly arranged on the outer circumferential surface of the second cylinder at intervals, every group second through-hole includes a plurality of second through-hole units, and a plurality of second through-hole units are in same vertical cross-section of second drum is followed the even interval distribution of circumference of second drum, the axis contained angle of two adjacent second through-hole units is the same with the axis contained angle of two adjacent trachea units, the position of multiunit second through-hole respectively with the position one-to-one of multiunit trachea, the outer periphery of second drum is still evenly spaced and is provided with a plurality of felting needle subassemblies, each felting needle subassembly includes:
the base column is cylindrical and is vertically connected to the inner circumferential surface of the second cylinder, a counter bore coaxial with the base column is formed in the outer circumferential surface of the second cylinder, the counter bore extends into the base column, and an internal thread is formed in the inner wall of a large hole of the counter bore;
the end cover is cylindrical, one end of the end cover is connected with an annular end plate, the length of the end cover is the same as the depth of a large hole of the counter sink, the outer diameter of the end cover is slightly smaller than the inner diameter of the large hole of the counter sink, the inner diameter of the end cover is the same as the inner diameter of a small hole of the counter sink, an external thread matched with the internal thread is arranged on the outer circumferential surface of the end cover, and the end cover is detachably connected in the counter sink;
the diameter of the long needle is slightly smaller than the inner diameter of the annular end plate, the root part of the long needle is coaxially connected with a circular baffle plate, the diameter of the circular baffle is slightly smaller than the inner diameter of the end cover, the other side plate surface of the circular baffle is coaxially connected with a guide post, the diameter of the guide post is smaller than that of the circular baffle, the length of the guide post is smaller than the depth of the counter sink, the long needle is arranged in the counter sink, the needle point penetrates out of the central hole of the annular end plate, the circular baffle and the guide post are positioned in the countersunk hole, a spring is also arranged in the countersunk hole and sleeved outside the guide post, one end of the spring is propped against the round baffle plate, the other end of the spring is propped against the bottom end of the counter sink, the length of the long needle is equal to the distance from the lowest part of the second cylinder to the sludge conveyor belt;
the motor is arranged outside the plastic bag cleaning box, an annular third through hole corresponding to the third cylinder is formed in a side plate, close to the third cylinder, of the plastic bag cleaning box, and an output shaft of the motor is coaxially connected with one end of the third cylinder through the third through hole so as to drive the needle roller to rotate;
the plastic bag cleaning devices are sequentially arranged from front to back along the conveying direction of the conveyor belt, and are all positioned at the same height in the plastic bag cleaning box;
the plastic bag cleaning box comprises an exhaust fan, an exhaust pipe and a plurality of plastic bag cleaning devices, wherein the exhaust fan is arranged outside the plastic bag cleaning box and communicated with the exhaust pipe, and the pipe opening of the exhaust pipe is downward opposite to the plastic bag cleaning devices.
2. The apparatus for cleaning plastic bags from sludge as set forth in claim 1, wherein a pair of horizontal partitions are attached to the main air pipe along a generatrix to divide the interior of the second cylinder into upper and lower spaces.
3. The apparatus for cleaning plastic bags in sludge according to claim 1, wherein the long needle is made of corrosion resistant alloy.
4. The apparatus for cleaning plastic bags in sludge according to claim 1, wherein the lowest point of the needle roller rotates in the direction opposite to the conveying direction of the sludge conveyor belt.
5. The apparatus for cleaning plastic bags in sludge according to claim 1, wherein an electric heating wire is provided inside the main air pipe.
6. The apparatus for cleaning plastic bags in sludge according to claim 1, wherein the surface of the sludge transfer belt is coated with a corrosion resistant coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810662458.1A CN108704853B (en) | 2018-06-25 | 2018-06-25 | Device for cleaning plastic bags in sludge |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810662458.1A CN108704853B (en) | 2018-06-25 | 2018-06-25 | Device for cleaning plastic bags in sludge |
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| CN108704853A CN108704853A (en) | 2018-10-26 |
| CN108704853B true CN108704853B (en) | 2021-06-25 |
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| CN110201887B (en) * | 2019-05-31 | 2021-04-02 | 长沙学院 | Drum-type bauxite cement paste mass bundling and taking device |
| CN113334482B (en) * | 2021-06-30 | 2022-04-22 | 福州欣宇凯服饰有限公司 | Belt cutting machine convenient for collecting materials |
| CN115350922B (en) * | 2022-10-21 | 2023-01-17 | 海南大学三亚南繁研究院 | Plastic bag clearance mechanism and fertilizer screening equipment are divided to fertilizer screening |
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| DE4303500A1 (en) * | 1992-02-07 | 1993-08-12 | Juergen Deuerlein | Plastics sepn. for polyvinyl chloride and polyethylene terephthalate bottles - by sepg. hollow components contacting heated body and with lower softening point w.r.t. various physical properties e.g. elasticity |
| JP4485336B2 (en) * | 2004-12-06 | 2010-06-23 | 三菱電機株式会社 | Sorting and collecting device for mixed waste plastic |
| CN201316720Y (en) * | 2008-11-07 | 2009-09-30 | 李国平 | Plastic bag sorting device |
| CN202241681U (en) * | 2011-09-06 | 2012-05-30 | 林道海 | Rubbish plastic separator |
| CN204620445U (en) * | 2015-03-19 | 2015-09-09 | 常州乾瑞环境工程有限公司 | Flexible garbage sorting machine |
| CN105174671A (en) * | 2015-10-07 | 2015-12-23 | 江苏宝能建筑材料有限公司 | Method and whole set of impurity removing equipment for removing impurities in lake and river silt |
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