CN211536735U - Anti-blocking filter box - Google Patents

Anti-blocking filter box Download PDF

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Publication number
CN211536735U
CN211536735U CN202020058970.8U CN202020058970U CN211536735U CN 211536735 U CN211536735 U CN 211536735U CN 202020058970 U CN202020058970 U CN 202020058970U CN 211536735 U CN211536735 U CN 211536735U
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CN
China
Prior art keywords
box
filter screen
opening
rotate
collecting hopper
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Active
Application number
CN202020058970.8U
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Chinese (zh)
Inventor
赵学平
顾学强
赵松
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hangzhou Longju Synthetic Material Co ltd
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Hangzhou Longju Synthetic Material Co ltd
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Priority to CN202020058970.8U priority Critical patent/CN211536735U/en
Application granted granted Critical
Publication of CN211536735U publication Critical patent/CN211536735U/en
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Abstract

The utility model relates to a prevent rose box of jam, including box and filter screen, the filter screen is installed in the box, and the box top is equipped with the inlet pipe that is used for carrying the latex, and the box lower extreme is equipped with and is used for filtering the latex exhaust discharging pipe of accomplishing, is equipped with clean subassembly in the box and is used for driving the first drive assembly of clean subassembly along the direction motion that is on a parallel with the filter screen, and clean subassembly includes the round brush, accepts the collection at round brush rear and fight and be used for driving round brush pivoted second drive assembly. Rubber and impurities on the filter screen are cleaned through the rolling sweeping, and are collected through the collecting hopper, so that the filter screen is prevented from being blocked by the rubber and the impurities, and the filtering effect of the filter screen is improved.

Description

Anti-blocking filter box
Technical Field
The utility model belongs to the technical field of butylbenzene latex production facility technique and specifically relates to a prevent rose box of jam.
Background
The styrene-butadiene latex is a copolymer generated by emulsion polymerization of butadiene, styrene and other assistants, is a milky white water dispersion with blue-violet gloss for an anti-blocking filter box, and can be used for manufacturing coated white board paper, coated white cardboard, coated box board paper and the like. The product has better printing glossiness and surface strength, and has good effects on the aspects of ink absorbability and pigment intermiscibility during printing. In the production process of latex, rubber is generated, and a filter box is required to remove larger rubber and impurities so as to prevent the product quality of the latex from being influenced.
In the prior art, a filter screen is generally installed in a filter box, and then latex is conveyed from an inlet pipe to the filter screen and is filtered under the action of the filter screen.
The above prior art solutions have the following drawbacks: impurities or rubber can be accumulated in the continuous filtration, so that the filter screen is blocked, and the filtration efficiency is influenced. And after the filtering time is long, the rubber is easy to adhere to the filter screen and is difficult to clean.
SUMMERY OF THE UTILITY MODEL
To the not enough of prior art existence, one of the purposes of the utility model is to provide a rose box with prevent blockking up the effect.
The above object of the present invention can be achieved by the following technical solutions:
a filter box preventing blockage comprises a box body and a filter screen for filtering latex, wherein the filter screen is hollow in the box body and is provided with an upper end opening, the filter screen is installed at the opening of the box body, a feeding pipe for conveying the latex is arranged above the box body, a discharging pipe for discharging the latex after the latex is filtered is arranged at the lower end of the box body, a cleaning component and a first driving component for driving the cleaning component to move along the length direction of the filter screen are arranged in the box body, the cleaning component comprises a rolling brush, a collecting hopper received behind the rolling brush and a second driving component for driving the rolling brush to rotate, the first driving component comprises a lead screw which is rotatably connected to the box body and radially limited and fixed along the lead screw, a polished rod fixedly connected to the box body and a motor for driving the lead screw to rotate, the cleaning component is in threaded connection with the, the collecting hopper is an L-shaped plate with an opening facing the rolling brush, and the lower end of the collecting hopper is abutted to the filter screen.
Through adopting above-mentioned technical scheme, the latex is leading-in to the filter screen on from the inlet pipe, and filter through the filter screen, rubber and impurity in the latex are intercepted in the filter screen upper end, filter a period of back at the latex, rotate through the motor drive lead screw, make clean subassembly along polished rod axial slip, second drive assembly drive round brush rotates, the round brush is swept rubber and impurity backward on with the filter screen, make it fall on to collect to fight in and by collecting and fill the temporary storage, when cleaning device slided to the head, the motor drive lead screw reversal, reset clean subassembly. Rubber and impurities on the filter screen are cleaned through the rolling sweeping, and are collected through the collecting hopper, so that the filter screen is prevented from being blocked by the rubber and the impurities, and the filtering effect of the filter screen is improved.
The present invention may be further configured in a preferred embodiment as: the second drive assembly includes rack fixed on locating the box inner wall and the gear with rack toothing, the both ends of round brush are located along filter screen length direction to the rack, the drive shaft is worn to be equipped with by the round brush internal fixation, the gear is equipped with two and overlaps respectively and locates the drive shaft both ends, the gear is located the rack top, collect and fight towards the fixed connecting rod that is equipped with in one side of round brush, the drive shaft rotates to be connected in the connecting rod and follows its axial spacing fixed.
Through adopting above-mentioned technical scheme, through the cooperation of gear and rack, when making the clean subassembly of first drive assembly drive to collect and fight opening direction and slide, the round brush rotates by oneself, and sweeps rubber and impurity to collecting and fighting, need not to reuse motor drive round brush and rotates, has improved economic benefits.
The present invention may be further configured in a preferred embodiment as: the filter screen is the tilt up setting towards collecting hopper opening direction.
Through adopting above-mentioned technical scheme, through setting up the filter screen slope, make rubber or impurity more easily swept out because of its self gravity reason, and through setting up the filter screen slope, make the latex can slide by oneself on the filter screen, improved filtration efficiency.
The present invention may be further configured in a preferred embodiment as: the box is located the fixed buffer board that is equipped with in top of filter screen, the buffer board is the slope setting, just the lower one end of buffer board is located the higher one end of filter screen directly over, the both sides of buffer board are located respectively to lead screw and polished rod, the fixed baffle that is equipped with in buffer board both sides.
Through adopting above-mentioned technical scheme, make the latex before falling on the filter screen through the inlet pipe, at first fall on the buffer board to through the direction on buffer board inclined plane, flow towards the higher one end of filter screen, and fall on the higher one end of filter screen, make the latex after falling on the filter screen, because self gravity factor can be along the filter screen downflow, improved the area of contact of latex and filter screen, improved filtration efficiency.
The present invention may be further configured in a preferred embodiment as: the box body is characterized in that a mounting plate used for mounting a first driving assembly is fixedly arranged at one end of the box body, one end of the lead screw, which is located towards the opening of the collecting hopper, is exposed outside the box body and is rotatably connected to the mounting plate, a sliding opening for the cleaning assembly to slide out of the box body is formed in the side wall, which is located towards the opening of the collecting hopper, of the box body, and a rotating door used for sealing the sliding opening is rotatably connected to the sliding opening.
Through adopting above-mentioned technical scheme, make outside clean subassembly accessible turnstile slips out the box, conveniently clear up rubber and impurity in fighting the collection.
The present invention may be further configured in a preferred embodiment as: the revolving door lower extreme rotates and is connected with the pivot, the pivot rotates and connects in the box, the cover is equipped with the torsional spring in the pivot, the torsional spring both ends are fixed connection in box and revolving door respectively, and when the revolving door closed the sliding door, the torsional spring was in unstressed state.
Through adopting above-mentioned technical scheme for clean subassembly is when the revolving door, through the butt in the revolving door, makes the revolving door overturn downwards, will slide mouthful expose, thereby makes clean subassembly can pass through, and after clean subassembly passed through, the revolving door resets through the elasticity of torsional spring, will slide mouthful and seal, thereby realizes need not the manual work and opens the revolving door, has improved the convenience of clean subassembly through the revolving door.
The present invention may be further configured in a preferred embodiment as: the collecting hopper is characterized in that a blanking port is formed in the lower end of the collecting hopper, a blanking plate used for sealing the blanking port is rotatably connected to the blanking port, and a waste box is arranged under the sliding port on the outer wall of the box body.
Through adopting above-mentioned technical scheme, when collecting to fight and be located the filter screen on, the flitch that falls of collecting fighting lower extreme passes through the butt in the filter screen, makes it remain throughout and seals the blanking mouth, and when clean subassembly slided outside the box through sliding opening, the flitch was opened because gravity is automatic, makes rubber and impurity in the collection fill fall into the waste bin of below, conveniently clears up rubber and impurity.
The present invention may be further configured in a preferred embodiment as: and a magnetic suction assembly is arranged between the blanking plate and the collecting hopper.
Through adopting above-mentioned technical scheme, when the collection is fought and is slided to the box outside, because the action of gravity of rubber and impurity, only need less power can open the blanking plate, make rubber and impurity in the collection is fought fall in the garbage bin, after the clearance of collecting the fill of accomplishing, upwards overturn the blanking plate, make it seal the blanking mouth through magnetism subassembly of inhaling, conveniently make the collection fill again through the slide opening get into the box in, improved the convenience of collecting the clearance of fighting.
To sum up, the utility model discloses a following at least one useful technological effect:
1. rubber and impurities on the filter screen are cleaned through the rolling sweeping, and are collected through the collecting hopper, so that the filter screen is prevented from being blocked by the rubber and the impurities, and the filtering effect of the filter screen is improved;
2. the filter screen is obliquely arranged, so that the latex can automatically slide on the filter screen, the filtering efficiency is improved, and the rubber and impurities can be conveniently cleaned;
3. clean subassembly accessible rotates outside the door roll-off box, and collect and fight lower extreme blanking plate and can open automatically, conveniently clear up rubber and impurity in fighting collecting.
Drawings
FIG. 1 is a schematic sectional view of the structure of the present embodiment;
FIG. 2 is a schematic structural view of the position of the slide port in the present embodiment;
FIG. 3 is a schematic top view of the case of the present embodiment;
FIG. 4 is an enlarged partial schematic view of portion A of FIG. 1;
fig. 5 is a schematic structural diagram of the cleaning assembly in the present embodiment.
In the figure, 1, a box body; 11. a discharge pipe; 12. a buffer plate; 121. a baffle plate; 122. fixing the rod; 13. mounting a plate; 14. a waste bin; 15. a sliding port; 16. a rotating door; 161. a rotating shaft; 162. a torsion spring; 17. caulking grooves; 18. connecting blocks; 2. a filter screen; 21. positioning a groove; 3. a feed pipe; 4. a cleaning assembly; 41. rolling and brushing; 411. a drive shaft; 42. a collecting hopper; 421. a connecting rod; 422. a blanking port; 423. a connecting shaft 423; 424. a blanking plate; 425. a magnetic member; 426. a magnet; 5. a first drive assembly; 51. a lead screw; 52. a polish rod; 53. a motor; 6. a second drive assembly; 61. a rack; 62. a gear.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, for the utility model discloses a prevent rose box of jam, including box 1, be used for to the filterable filter screen 2 of latex, an inlet pipe 3 for carrying the latex, a discharging pipe 11 for will filtering the latex of accomplishing, a buffer board 12 for the buffering, a clean subassembly 4 for carrying out cleanness to filter screen 2, a drive assembly 5 for driving clean subassembly 4 along the motion of 2 length direction of filter screen, a dump box 14 that is used for installing the mounting panel 13 of drive assembly 5 and locates box 1 and outer being used for conveniently clearing up rubber and impurity. The box body 1 is hollow and has an opening at the upper end. The filter screen 2 is the slope setting, and the filter screen 2 divide into two-layer and can dismantle the connection in 1 opening part of box with box 1. The inlet pipe 3 is arranged above the box body 1, and the outlet pipe 11 is arranged on one side of the lower end of the box body 1. Buffer board 12 fixed connection is in box 1, and buffer board 12 is the slope setting and is located inlet pipe 3 under. The cleaning component 4 is connected to the box body 1 in a sliding manner along the length direction of the filter screen 2 and can slide to the outside of the box body 1. The first drive assembly 5 is mounted to the housing 1 by a mounting plate 13.
When filtering the latex, the latex flows to the buffer board 12 through the inlet pipe 3 to the buffer board 12 that sets up through the slope flows to the higher one end of filter screen 2, and the latex passes through filter screen 2 infiltration box 1 lower floor, and rubber and impurity are blocked to filter screen 2 up end by filter screen 2. After filtering a period of time, first drive assembly 5 drives clean subassembly 4 and moves along filter screen 2 length direction, and clean subassembly 4 cleans filter screen 2 to roll off box 1, discharge rubber and impurity outside box 1, and fall into dump bin 14.
Referring to fig. 2, a sliding opening 15 for sliding the cleaning assembly 4 out of the box body 1 is formed in the higher end of the box body 1, which is located at the filter screen 2, and a rotating door 16 for sealing the sliding opening 15 is rotatably connected to the sliding opening 15. The lower end of the rotary door 16 is rotatably connected with a rotary shaft 161, and the rotary shaft 161 is rotatably connected with the sliding opening 15. The rotating shaft 161 is sleeved with a torsion spring 162, and two ends of the torsion spring 162 are respectively and fixedly connected to the box body 1 and the rotating door 16. When the sliding opening 15 is closed by the rotating door 16, the torsion spring 162 is in an unstressed state. The upper end of the rotating door 16 is provided with a compensation groove for the first driving component 5 to pass through. The mounting plate 13 is Z-shaped, and one end of the mounting plate 13 is fixedly connected to the outer wall of the box body 1.
When the cleaning component 4 slides out of the box body 1, the rotating door 16 is turned downwards by abutting against the rotating door 16, the sliding opening 15 is exposed, so that the cleaning component 4 can pass through, and after the cleaning component 4 passes through, the rotating door 16 is reset through the elasticity of the torsion spring 162, and the sliding opening 15 is closed.
Referring to fig. 2, the waste bin 14 is disposed on the outer wall of the box body 1 just below the slide port 15. When the cleaning assembly 4 is slid out of the housing 1, it is located directly above the waste bin 14.
Referring to fig. 3, the buffer plate 12 is a long plate, and baffles 121 are fixedly arranged on both sides of the buffer plate 12 along the vertical direction. A plurality of fixing rods 122 are fixedly arranged on two sides of the buffer plate 12, and two ends of each fixing rod 122 are fixedly connected to the inner wall of the box body 1. The buffer plate 12 is arranged obliquely, and the lower end of the buffer plate 12 faces the higher end of the filter screen 2 and is positioned right above the higher end of the filter screen 2. When the latex flows onto the buffer plate 12, the latex flows to the higher end of the filter screen 2 through the inclined surface of the buffer plate 12.
Referring to fig. 4, the cleaning assembly 4 includes a roll brush 41, a collection hopper 42, and a second driving assembly 6 for driving the roll brush 41 to rotate. The rolling brush 41 has a through hole along the axial direction, and a driving shaft 411 is fixedly inserted into the through hole.
Referring to fig. 4 and 5, the collecting hopper 42 is an L-shaped plate having an opening facing the roll brush 41, and the lower end of the collecting hopper 42 abuts against the filter screen 2. Collecting hopper 42 is fixed towards one side of round brush 41 and is equipped with connecting rod 421, and connecting rod 421 is equipped with two and locates the both ends of round brush 41 separately, and connecting rod 421 is close to the one end of round brush 41 and is the ring form, and two connecting rods 421 are worn to locate simultaneously to drive shaft 411, and drive shaft 411 passes through the bearing rotation to be connected in connecting rod 421. Collecting and having seted up blanking mouth 422 at 42 lower extreme, blanking mouth 422 is fixed along its width direction and is equipped with connecting axle 423, rotates on the blanking mouth 422 to be connected with and is used for the blanking plate 424 with blanking mouth 422 confined, and blanking plate 424 establishes and rotates towards the pot head of connecting axle 423 and connects in connecting axle 423. A magnetic attraction component is arranged between the blanking plate 424 and the collecting hopper 42, and the magnetic attraction component comprises a magnetic part 425 fixedly arranged at one end of the blanking plate 424 far away from the connecting shaft 423 and a magnet 426 correspondingly and fixedly arranged on the collecting hopper 42.
When the cleaning assembly 4 is operated, the rolling brush 41 sweeps the rubber and the sundries into the collecting hopper 42, and when the cleaning assembly 4 moves out of the box body 1, the rubber and the sundries are supported by the filter screen 2 and the blanking plate 424 is lost, the blanking plate 424 turns downwards, and the rubber and the sundries in the collecting hopper 42 are blanked. If the weight of the rubber and the impurities is less than the attraction force between the magnet 426 and the magnetic member 425, when the cleaning assembly 4 moves to penetrate out of the box body 1, the blanking plate 424 is manually shifted downwards, so that the blanking port 422 is opened.
Referring to fig. 4 and 5, the second driving assembly 6 includes a rack 61 and a gear 62, and the two gears 62 are respectively sleeved at two ends of the driving shaft 411. The box 1 is located the inner wall at round brush 41 both ends, has all seted up caulking groove 17 along filter screen 2 length direction, and the higher one end of caulking groove 17 communicates in box 1 outer wall. The rack 61 is fixedly embedded on the lower end face of the embedding groove 17 and is arranged along the length direction of the filter screen 2. The gear 62 is embedded in the embedded groove 17 and is located above the rack 61.
When the first driving assembly 5 drives the cleaning assembly 4 to move towards the sliding opening 15, the rolling brush 41 rotates by itself through the cooperation of the gears 62 at the two ends and the rack 61 of the box body 1, and rubber and sundries on the filter screen 2 are swept to the collecting hopper 42.
Referring to fig. 2 and 3, the first driving assembly 5 includes a lead screw 51, a polished rod 52, and a motor 53 for driving the lead screw 51 to rotate. One end of the screw 51 far away from the sliding opening 15 is rotatably connected to the box body 1 through a bearing. One end of the screw 51 close to the sliding opening 15 is inserted through the mounting plate 13 and connected to the output end of the motor 53. The motor 53 is fixedly connected to the mounting plate 13. The two ends of the polish rod 52 are fixedly connected to the box body 1 and the mounting plate 13 respectively. The lead screw 51 and the polish rod 52 are disposed on both sides of the buffer plate 12. The upper end of the collecting hopper 42 is screwed to the lead screw 51 and is slidably connected to the polish rod 52. The motor 53 is a servo motor. The motor 53 rotates the screw shaft 51, and slides the collecting bucket 42 screwed to the screw shaft 51 in the longitudinal direction of the filter net 2.
Referring to fig. 4, the filter net 2 is disposed to be inclined upward toward the slide opening 15. The inner walls of the box body 1 at the two ends of the filter screen 2 are fixedly provided with connecting blocks 18 for installing the filter screen 2, and the cross section of each connecting block 18 is in an L shape with an upward opening. The lower end surfaces of two ends of the filter screen 2 are correspondingly provided with positioning grooves 21, the connecting block 18 is embedded in the positioning grooves 21, the filter screen 2 is erected, and the filter screen 2 is convenient to disassemble.
The implementation principle of the embodiment is as follows:
1. the latex flows to the buffer board 12 through the inlet pipe 3, flows to the higher one end of filter screen 2 through the slope face of buffer board 12, and the latex moves down along the inclined plane of filter screen 2 because of its self gravity, and the latex passes through filter screen 2 infiltration box 1 lower floor, and rubber and impurity are blocked to filter screen 2 up end by filter screen 2.
2. After filtering for a while, the motor 53 drives the screw 51 to rotate, so that the collecting hopper 42 screwed to the screw 51 slides along the length direction of the filter screen 2. The rolling brush 41 automatically rotates by matching the gear 62 at the two ends with the rack 61 of the box body 1, and sweeps the rubber and sundries on the filter screen 2 to the collecting hopper 42.
3. The motor 53 drives the cleaning component 4 to continuously slide, when the cleaning component 4 slides out of the box body 1, the cleaning component 4 abuts against the rotating door 16, the rotating door 16 is turned downwards, the sliding opening 15 is exposed, the cleaning component 4 can pass through, after the cleaning component 4 passes through, the rotating door 16 resets through the elasticity of the torsion spring 162, and the sliding opening 15 is sealed.
4. When the cleaning assembly 4 moves to pass through the box 1, the blanking plate 424 is turned downwards to drop the rubber and the sundries in the collecting hopper 42 into the waste bin 14 because the rubber and the sundries are gravity and the supporting force of the filter screen 2 to the blanking plate 424 is lost.
5. The blanking plate 424 is then connected to the collecting hopper 42 via the magnetic attraction assembly and the cleaning assembly 4 is driven back by the motor 53 in reverse.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. The utility model provides a prevent rose box of jam, includes box (1) and is used for to filterable filter screen (2) of latex, box (1) cavity and upper end opening, install in box (1) opening part filter screen (2), box (1) top is equipped with inlet pipe (3) that are used for carrying the latex, box (1) lower extreme is equipped with and is used for filtering the latex exhaust discharging pipe (11) of accomplishing, its characterized in that: a cleaning component (4) and a first driving component (5) for driving the cleaning component (4) to move along the length direction of the filter screen (2) are arranged in the box body (1), the cleaning component (4) comprises a rolling brush (41), a collecting hopper (42) which is connected with the rear part of the rolling brush (41) and a second driving component (6) which is used for driving the rolling brush (41) to rotate, the first driving assembly (5) comprises a lead screw (51) which is rotatably connected with the box body (1) and is fixed along the radial direction of the lead screw in a limiting way, a polish rod (52) which is fixedly connected with the box body (1) and a motor (53) which is used for driving the lead screw (51) to rotate, the cleaning component (4) is connected with the lead screw (51) in a threaded manner and is connected with the polish rod (52) in an axial sliding manner along the polish rod (52), the collecting hopper (42) is an L-shaped plate with an opening facing the rolling brush (41), and the lower end of the collecting hopper (42) is abutted to the filter screen (2).
2. An anti-clogging filter box according to claim 1, characterized in that: second drive assembly (6) including fixed rack (61) of locating on box (1) inner wall and gear (62) with rack (61) meshing, the both ends of round brush (41) are located along filter screen (2) length direction in rack (61), drive shaft (411) are worn to be equipped with by round brush (41) internal fixation, drive shaft (411) both ends are located just to the cover respectively in gear (62), gear (62) are located rack (61) top, collect and fight (42) towards one side fixed connecting rod (421) that is equipped with of round brush (41), drive shaft (411) rotate connect in connecting rod (421) and follow its axial spacing fixed.
3. An anti-clogging filter box according to claim 1, characterized in that: the filter screen (2) is arranged in an upward inclined manner towards the opening direction of the collecting hopper (42).
4. A deblinding filtration tank according to claim 3, wherein: the fixed buffer board (12) that is equipped with in top that box (1) is located filter screen (2), buffer board (12) are the slope setting, just the lower one end of buffer board (12) is located the higher one end of filter screen (2) directly over, the both sides of buffer board (12) are located to lead screw (51) and polished rod (52) branch, fixed baffle (121) that is equipped with in buffer board (12) both sides.
5. An anti-clogging filter box according to claim 1, characterized in that: the fixed mounting panel (13) that are used for installing first drive assembly (5) that are equipped with of box (1) one end, lead screw (51) are located the one end of collecting fill (42) opening orientation and expose outside box (1) and rotate and connect in mounting panel (13), box (1) are located and are seted up spout (15) that supply clean subassembly (4) roll-off box (1) on the lateral wall of collecting fill (42) opening orientation, it is used for with spout (15) confined swing gate (16) to rotate to be connected with on spout (15).
6. An anti-clogging filter box according to claim 5, characterized in that: rotate door (16) lower extreme and rotate and be connected with pivot (161), pivot (161) rotate and connect in box (1), the cover is equipped with torsional spring (162) in pivot (161), torsional spring (162) both ends difference fixed connection is in box (1) and rotation door (16), and when rotating door (16) will slide opening (15) and seal, torsional spring (162) are in the unstressed state.
7. An anti-clogging filter box according to claim 5, characterized in that: collecting hopper (42) lower extreme and having seted up blanking mouth (422), rotation is connected with on blanking mouth (422) and is used for blanking board (424) with blanking mouth (422) confined, box (1) outer wall is located and is equipped with dump bin (14) under sliding opening (15).
8. An anti-clogging filter box according to claim 7, further comprising: a magnetic suction component is arranged between the blanking plate (424) and the collecting hopper (42).
CN202020058970.8U 2020-01-11 2020-01-11 Anti-blocking filter box Active CN211536735U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020058970.8U CN211536735U (en) 2020-01-11 2020-01-11 Anti-blocking filter box

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020058970.8U CN211536735U (en) 2020-01-11 2020-01-11 Anti-blocking filter box

Publications (1)

Publication Number Publication Date
CN211536735U true CN211536735U (en) 2020-09-22

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020058970.8U Active CN211536735U (en) 2020-01-11 2020-01-11 Anti-blocking filter box

Country Status (1)

Country Link
CN (1) CN211536735U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112709551A (en) * 2021-03-26 2021-04-27 山东鹤鹏技术有限公司 Recovery well casing gas recovery device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112709551A (en) * 2021-03-26 2021-04-27 山东鹤鹏技术有限公司 Recovery well casing gas recovery device
CN112709551B (en) * 2021-03-26 2021-06-22 山东鹤鹏技术有限公司 Recovery well casing gas recovery device

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