CN211772399U - Pressure type sieve bend - Google Patents
Pressure type sieve bend Download PDFInfo
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- CN211772399U CN211772399U CN202020059487.1U CN202020059487U CN211772399U CN 211772399 U CN211772399 U CN 211772399U CN 202020059487 U CN202020059487 U CN 202020059487U CN 211772399 U CN211772399 U CN 211772399U
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Abstract
The utility model discloses a pressure type sieve bend, which comprises a housin, be provided with the arc sieve in the casing, the arc wash pipe has been arranged corresponding with the arc sieve in the casing, the arc wash pipe is connected with its motion along arc sieve axial reciprocating motion of drive, feed mechanism has been arranged corresponding with the arc sieve on the casing, feed mechanism includes inlet pipe and feeding case, the feeding incasement is equipped with aperture adjusting device, aperture adjusting device includes the lip shape axle that sets up at the feeding case discharge end, the lip shape axle forms the feed lip mouth with the corresponding feeding case lateral wall in lip shape breach department, the lip shape axle is connected with the rotary mechanism that drives its rotation; the motion mechanism is a swing motion mechanism and comprises a swing driving component and a swing connecting rod component, the swing driving component is connected with the arc-shaped flushing water pipe through the swing connecting rod component, and the swing connecting rod component is of a parallelogram four-connecting-rod structure. The utility model discloses synthesize the job stabilization nature and the work efficiency that have improved the sieve bend.
Description
Technical Field
The utility model belongs to the technical field of papermaking equipment, especially, relate to a pressure type sieve bend.
Background
The pressure type sieve bend is that the liquid material that requires to be screened adopts the pressure to spray the material loading mode and gets into through the feeding case, relies on the jet force and the gravity of liquid material to flow to the sieve through the weir mouth of feeding case, when making relative shearing movement with the sieve grid, separates solid and liquid, reaches the purpose of screening. Meanwhile, the solid matters gathered on the screen roll down by virtue of the liquid flow, and the liquid continuously washes the screen grids by virtue of water power to play a self-cleaning role, so that the whole process of continuous self-cleaning of the screen and continuous collection of the solid matters is completed.
Notice No. CN 207478077U's utility model discloses an automatic washing unit of sieve bend relates to waste water filtration treatment technical field. The utility model discloses a power supply is the air supply, the air supply is delivered to the cylinder with the air of certain pressure, make the cylinder be concertina movement, the cylinder drives the pendulum rod and is horizontal swing motion, the pendulum rod passes through the guide arm and transmits the power supply for the wash pipe, make the wash pipe wholly be reciprocal horizontal motion on the guide rail, thereby realize by line to the face to carry out comprehensively to whole sieve surface, effective self-cleaning in no dead angle, the technical problem that prior art can not carry out comprehensive effective continuous washing to whole sieve has been solved, the intensity of labour and the cost of manual cleaning have been reduced, modern industry's automation requirement has been satisfied, moreover, the steam generator is simple in structure, and convenient for operation.
Notice No. CN 209772737U's utility model discloses an automatic cleaning function's sieve bend belongs to the sieve bend field, and its technical scheme main points are including the base, install the screen frame that is the circular arc setting on the base, be provided with the water catch bowl in the base, the water catch bowl is located the screen frame under, install the frame on the base, sliding connection has the install bin in the frame, a plurality of washing of the bottom installation of install bin is responsible for, wash and be responsible for and set up the washing branch pipe of a plurality of directional screen frames, this kind of automatic cleaning function's sieve bend's advantage lies in carrying out the automatic washing, labour saving and time saving to the sieve bend.
But above-mentioned technical scheme all adopts the mode that the sparge water pipe moved along the guide rail horizontal to realize the comprehensive self-cleaning to the sieve surface, and the structure is complicated relatively, is difficult for the installation maintenance, can't accomplish the cleaning work to the pair even a plurality of sieve boards of pressure type sieve bend more than the pair simultaneously.
Notice No. CN 209564690U's utility model discloses an adjustable feed system of sieve bend relates to waste water filtration treatment technical field. It is including advancing thick liquid pipe and feeding device etc. feeding device's discharge gate and sieve of arc screen are aequilate, and its load and pressure are adjustable, and discharge gate water curtain can distribute uniformly on the sieve of arc screen, makes the utilization ratio of sieve reach the maximize, realizes simultaneously that the pressure type advances thick liquid, is showing the screening throughput that increases equipment to improve the screening efficiency of equipment effectively. In the operation process, the opening degree of the discharge port is correspondingly adjusted according to the requirement of the treatment capacity, the flow and the pressure of slurry at the discharge port can be adjusted, equipment does not need to be stopped during operation, the opening degree of the discharge port of the feeding device can be adjusted, and the feeding device is wide in adjustment range, wide in application range, novel in structure, safe and reliable.
However, the technical scheme is that the flow of the liquid material is controlled by a weir nozzle (a weir nozzle is formed between an upper jaw plate and a lower jaw plate) of the feeding box, so as to ensure the spraying force of the liquid material and the thickness of a liquid film (the thickness of the liquid film is generally 5-10 mm) of the liquid material on the arc-shaped sieve plate. However, after the traditional pressure type sieve bend operates for a period of time (or when the liquid inlet pressure is unstable), a large amount of solid matters are deposited at the weir mouth of the feeding box, so that the spraying force of liquid materials and the thickness of a liquid film of the liquid materials on the sieve bend plate cannot be guaranteed, and the equipment cannot operate normally.
Therefore, the existing sieve bend is unstable in work and low in efficiency due to the technical problems of the existing sieve bend.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the weak point among the prior art, provide a pressure type sieve bend.
In order to solve the technical problem, the utility model adopts the following technical scheme:
a pressure type sieve bend comprises a shell, a sieve bend is arranged in the shell, a sieve bend flushing pipe is arranged in the shell corresponding to the sieve bend, the sieve bend flushing pipe is connected with a motion mechanism driving the sieve bend flushing pipe to reciprocate along the axial direction of the sieve bend, a feeding mechanism is arranged on the shell corresponding to the sieve bend,
the feeding mechanism comprises a feeding pipe and a feeding box connected with the feeding pipe and arranged in the shell, an opening adjusting device is arranged in the feeding box, the opening adjusting device comprises a lip-shaped shaft arranged at the discharging end of the feeding box, the lip-shaped shaft is provided with a lip-shaped notch extending axially, and the lip-shaped shaft and the corresponding side wall of the feeding box form a feeding lip at the lip-shaped notch;
the lip-shaped shaft is rotationally connected with the feeding box and is connected with a rotating mechanism for driving the lip-shaped shaft to rotate, and the lip-shaped shaft rotates under the action of the rotating mechanism to adjust the opening of the feeding lip;
the motion mechanism is a swing motion mechanism and comprises a swing driving component and a swing connecting rod component, and the swing driving component is connected with the arc-shaped flushing water pipe through the swing connecting rod component;
the swing connecting rod assembly comprises a lower horizontal connecting rod connected with the arc-shaped flushing water pipe and an upper horizontal connecting rod positioned above the lower horizontal connecting rod, two vertical connecting rods are hinged between the upper horizontal connecting rod and the lower horizontal connecting rod to form a parallelogram four-connecting-rod structure, one vertical connecting rod extends upwards to form a vertical extending section, and the vertical extending section is connected with the swing driving assembly.
The rotating mechanism comprises a rotating drive assembly and a rotating connecting rod assembly, and the rotating drive assembly is connected with the lip shaft through the rotating connecting rod assembly.
The rotary driving assembly comprises a rotary driving telescopic cylinder which is horizontally arranged, and the piston rod end of the rotary driving telescopic cylinder is connected with the lip shaft through a rotary connecting rod assembly.
The rotary connecting rod assembly comprises a left connecting rod and a right connecting rod, the left connecting rod protrudes and is fixed on the lip-shaped shaft along the radial direction and is away from one side of the lip-shaped gap, the right connecting rod is fixed on the piston rod end of the rotary driving telescopic cylinder, and the left connecting rod is hinged with the right connecting rod through a middle connecting rod.
The swing driving assembly comprises a swing driving telescopic cylinder which is horizontally arranged, and a piston rod end of the swing driving telescopic cylinder is hinged with the vertical extending section.
A connecting rod support is arranged above the upper horizontal connecting rod, extends along the horizontal direction and is fixed with the shell; go up horizontal connecting rod and connecting rod support fixed connection, be equipped with horizontal slot hole with vertical extension corresponding department on the connecting rod support, vertical extension is passed by horizontal slot hole.
The swing driving telescopic cylinder is a cylinder, and two ends of the cylinder are provided with speed regulating valves.
And nozzles pointing to the arc-shaped sieve plate are distributed on the arc-shaped flushing water pipe.
The arc-shaped flushing water pipe is connected with a hose for supplying water to the arc-shaped flushing water pipe.
An observation window is arranged on the shell.
The utility model has the advantages that:
1. the utility model discloses arc sparge water pipe portion and feed mechanism to the sieve bend have improved, have synthesized the job stabilization nature and the work efficiency that have improved the sieve bend.
The feeding mechanism adopts a pressure jet type feeding structure, liquid materials are jetted onto the arc-shaped sieve plate in a tangential direction through a feeding lip with automatically adjustable opening of the feeding box, the jetting force pushes the materials to pass through the surface of the arc-shaped sieve plate, and the liquid and fine particles are enabled to pass through gaps of the sieve plate under the action of the jetting force and gravity of the materials and are collected to a filtrate outlet; solid particles which can not pass through the screen slots are blocked by the screen plate and flow to the discharge port along the direction of material flow to realize solid-liquid separation. Meanwhile, the telescopic cylinder is driven to stretch and drive the parallelogram four-bar linkage structure to reciprocate by swinging, and then the arc-shaped flushing water pipe is driven to clean the whole area of the arc-shaped sieve plate.
2. The opening adjusting device in the feeding mechanism adopts the design of a lip-shaped shaft, the lip-shaped shaft is provided with a lip-shaped notch extending axially, and the lip-shaped shaft and the corresponding side wall of the feeding box form a feeding lip at the lip-shaped notch; the lip-shaped shaft rotates under the action of the rotating mechanism, the opening of the feeding lip is adjusted, and the feeding lip can be opened instantly (the lip-shaped shaft rotates) by the rotating mechanism periodically so as to flush deposits at the lip and avoid solid deposition at the feeding lip.
3. The arc-shaped flushing water pipe part adopts a parallelogram four-bar linkage structure to carry out power transmission so as to drive the arc-shaped flushing water pipe to clean the whole area of the arc-shaped sieve plate, and the arc-shaped flushing water pipe part is simple in structure and easy to install and maintain in a mode of moving the arc-shaped sieve plate horizontally along the guide rail relative to the flushing water pipe.
Drawings
FIG. 1 is a schematic view of a trommel according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view C-C of FIG. 1;
FIG. 3 is a schematic view of an arc-shaped flush pipe portion in an embodiment of the present invention;
FIG. 4 is a left side view of FIG. 3;
FIG. 5 is a schematic sectional view taken along line A-A in FIG. 3;
FIG. 6 is a schematic sectional view taken along line B-B in FIG. 4;
FIG. 7 is a schematic view of a swing link assembly in an embodiment of the present invention;
fig. 8 is a schematic view of a feed mechanism in an embodiment of the invention;
FIG. 9 is a schematic cross-sectional view taken along line D-D of FIG. 8;
fig. 10 is a schematic view of a lip shaft according to an embodiment of the present invention;
fig. 11 is a schematic view of an observation window in an embodiment of the present invention;
fig. 12 is a schematic cross-sectional view taken along line E-E in fig. 11.
Detailed Description
The following description will be made in detail with reference to the accompanying drawings, wherein the direction indicated by the arrow in fig. 4 is the horizontal swing direction of the arc-shaped flushing water pipe.
As shown in fig. 1 to 12, the pressure type sieve bend of this embodiment, including casing 10, be provided with sieve bend 1 in the casing 10, the arc wash pipe 2 has been arranged with sieve bend 1 correspondence in the casing 10, arranges the high pressure nozzle that is equipped with directional sieve bend 1 on the arc wash pipe 2, and arc wash pipe 2 is equipped with hose 5 to its water supply, and hose 5 chooses for use wire rubber hose, establishes the water source solenoid valve on the hose 5.
The arc-shaped washing water pipe 2 is connected with a motion mechanism which drives the arc-shaped washing water pipe to axially reciprocate along the arc-shaped sieve plate. The motion mechanism is a swing motion mechanism and comprises a swing driving component 3 and a swing connecting rod component 4, and the swing driving component 4 is connected with the arc-shaped flushing water pipe 2 through the swing connecting rod component 3.
The swing link assembly 4 comprises a lower horizontal link 41 connected with the arc-shaped flushing water pipe 2 and an upper horizontal link 42 positioned above the lower horizontal link 41, two vertical links 43 and 44 are hinged between the upper horizontal link and the lower horizontal link to form a parallelogram four-link structure, wherein one vertical link 43 extends upwards to form a vertical extension section 45, and the vertical extension section 45 is connected with the swing driving assembly 3.
The swing driving assembly 3 comprises a telescopic cylinder 31 which is horizontally arranged, and a piston rod end of the telescopic cylinder 31 is hinged with a vertical extending section 45.
In this embodiment, the telescopic cylinder 31 is an air cylinder, speed regulating valves are disposed at two ends of the air cylinder, and the operating speed of the automatic swing spraying device can be adjusted by adjusting the speed regulating valves at two ends of the air cylinder.
In this embodiment, a link support 32 is disposed above the upper horizontal link 42, and the link support 32 extends in the horizontal direction and is fixedly connected to the top of the housing 10. Go up horizontal connecting rod 42 and connecting rod support 32 fixed connection, be equipped with horizontal slot hole 33 with vertical extension 45 department of corresponding on the connecting rod support 32, vertical extension 45 is passed by horizontal slot hole 33, has avoided connecting rod support 32 to the wobbling influence of vertical extension 45.
And a feeding mechanism is arranged on the shell 10 corresponding to the arc-shaped sieve plate 1.
The feeding mechanism comprises a feeding pipe 8 and a feeding box 7 connected with the feeding pipe 8 and arranged in the shell 10, and an opening degree adjusting device is arranged in the feeding box 7. The opening adjusting device comprises a lip-shaped shaft 9 arranged at the discharge end of the feeding box 7, an axially extending lip-shaped notch 91 is arranged on the lip-shaped shaft 9, and the lip-shaped shaft 9 and the corresponding side wall of the feeding box 7 form a feeding lip at the lip-shaped notch 91.
In this embodiment, the rotation driving assembly includes a horizontally arranged rotation driving telescopic cylinder 71, and a piston rod end of the rotation driving telescopic cylinder 71 is connected to the lip shaft through a rotation link assembly. The rotary connecting rod assembly comprises a left connecting rod 72 and a right connecting rod 73, wherein the left connecting rod 72 is fixedly protruded on the lip-shaped shaft 9 along the radial direction and is away from the side of the lip-shaped gap, the right connecting rod 73 is fixedly arranged at the end of the piston rod of the rotary driving telescopic cylinder 71, a middle connecting rod 74 is arranged between the left connecting rod 72 and the right connecting rod 73, and the middle connecting rod 74 is respectively hinged with the left connecting rod 72 and the right connecting rod 73.
The opening adjusting device in the feeding mechanism adopts the design of a lip-shaped shaft 9, the telescopic cylinder 71 is driven to stretch and stretch by rotation and is transmitted to the lip-shaped shaft 9 through a rotating connecting rod component, and the lip-shaped shaft 9 rotates to adjust the opening of the feeding lip; and the inlet lip can be opened instantly (the lip shaft 9 rotates) by the rotating mechanism periodically to flush out the deposit at the inlet lip, so as to avoid the solid deposition at the inlet lip.
The rotary driving telescopic cylinder 71 can adopt a cylinder which can be manually controlled and automatically controlled, under an automatic control mode, the opening degree of the feeding lip is automatically adjusted according to the working condition, after the operation is carried out for a period of time, an overhaul worker instantly opens the feeding lip (the lip-shaped shaft 9 rotates) by manual control according to the solid deposition condition of the feeding lip, so that deposits at the lip are flushed.
Still be equipped with the observation hole on the casing 10, look the microscope base 111 with the protecgulum and weld observation hole department, put into protecgulum sight glass pad (rubber) 112, protecgulum sight glass (organic glass) 113 in protecgulum sight glass base 111 to compress tightly it with protecgulum sight glass clamping ring 114 and stainless steel bolt, form observation window 11, greatly made things convenient for equipment operation personnel to the understanding of observing the inside behavior of pressure type sieve bend.
When the pressure type sieve bend works, liquid materials are sprayed onto the sieve bend plate 1 in a tangential direction through a feeding lip with the opening of a feeding box 7 capable of being automatically adjusted, the spraying force pushes the materials to pass through the surface of the sieve bend plate 1, and the liquid and fine particles are enabled to pass through gaps of the sieve bend plate under the action of the spraying force and gravity of the materials and are collected to a filtrate outlet 13; the solid particles that cannot pass through the screen slots are blocked by the screen plate and flow in the direction of the flow to the discharge port 14 for solid-liquid separation.
Simultaneously, arc wash pipe 2 passes through parallelogram link mechanism, and automatic swing about under the effect of cylinder, and then drives arc wash pipe 2 side-to-side motion, washs arc sieve 1 in full area, prevents that the arc sieve from blockking up.
When the automatic swinging spraying device works, the water source electromagnetic valve and the electromagnetic valve of the air cylinder are connected into the electric cabinet, and the automatic high-pressure water valve and the air cylinder are automatically controlled to be opened and closed simultaneously. The cylinder drives the two groups of parallelogram link mechanisms to swing left and right through the extension of the cylinder rod, and further drives the arc-shaped flushing water pipe 2 to move left and right. The cleaning water is sprayed to the arc sieve plate by a high-pressure nozzle arranged on the arc washing water pipe 2 to complete the full-area cleaning of the arc sieve plate. The cycle is started once in 15-20 min, the operation time is 1-2 times of cylinder back and forth operation, and then the next cycle is started.
After a period of operation, the inlet lip can be opened instantly (the lip shaft 9 rotates) by the rotating mechanism periodically to flush away the deposits at the inlet lip, so as to avoid solid deposition at the inlet lip.
The utility model discloses arc sparge water pipe portion and feed mechanism to the sieve bend have improved, have synthesized the job stabilization nature and the work efficiency that have improved the sieve bend.
The above embodiments are only used for illustrating but not limiting the technical solutions of the present invention, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: the present invention may be modified or substituted with equivalents without departing from the spirit and scope of the invention, which should be construed as being limited only by the claims.
In the description of the present invention, it should be understood that the terms "front", "back", "upper", "lower", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the description refers must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the scope of the present invention.
Claims (10)
1. The utility model provides a pressure type sieve bend, includes the casing, is provided with the sieve bend in the casing, has arranged the arc to wash water pipe with sieve bend correspondence in the casing, and the arc is washed water pipe connection and is had its motion along sieve bend axial reciprocating motion of drive, has arranged feed mechanism, its characterized in that with sieve bend correspondence on the casing:
the feeding mechanism comprises a feeding pipe and a feeding box connected with the feeding pipe and arranged in the shell, an opening adjusting device is arranged in the feeding box, the opening adjusting device comprises a lip-shaped shaft arranged at the discharging end of the feeding box, the lip-shaped shaft is provided with a lip-shaped notch extending axially, and the lip-shaped shaft and the corresponding side wall of the feeding box form a feeding lip at the lip-shaped notch;
the lip-shaped shaft is rotationally connected with the feeding box and is connected with a rotating mechanism for driving the lip-shaped shaft to rotate, and the lip-shaped shaft rotates under the action of the rotating mechanism to adjust the opening of the feeding lip;
the motion mechanism is a swing motion mechanism and comprises a swing driving component and a swing connecting rod component, and the swing driving component is connected with the arc-shaped flushing water pipe through the swing connecting rod component;
the swing connecting rod assembly comprises a lower horizontal connecting rod connected with the arc-shaped flushing water pipe and an upper horizontal connecting rod positioned above the lower horizontal connecting rod, two vertical connecting rods are hinged between the upper horizontal connecting rod and the lower horizontal connecting rod to form a parallelogram four-connecting-rod structure, one vertical connecting rod extends upwards to form a vertical extending section, and the vertical extending section is connected with the swing driving assembly.
2. The pressure-type trommel as claimed in claim 1, wherein: the rotating mechanism comprises a rotating drive assembly and a rotating connecting rod assembly, and the rotating drive assembly is connected with the lip shaft through the rotating connecting rod assembly.
3. A pressure type trommel as claimed in claim 2 wherein: the rotary driving assembly comprises a rotary driving telescopic cylinder which is horizontally arranged, and the piston rod end of the rotary driving telescopic cylinder is connected with the lip shaft through a rotary connecting rod assembly.
4. A pressure type trommel as claimed in claim 3 wherein: the rotary connecting rod assembly comprises a left connecting rod and a right connecting rod, the left connecting rod protrudes and is fixed on the lip-shaped shaft along the radial direction and is away from one side of the lip-shaped gap, the right connecting rod is fixed on the piston rod end of the rotary driving telescopic cylinder, and the left connecting rod is hinged with the right connecting rod through a middle connecting rod.
5. The pressure-type trommel as claimed in claim 1, wherein: the swing driving assembly comprises a swing driving telescopic cylinder which is horizontally arranged, and a piston rod end of the swing driving telescopic cylinder is hinged with the vertical extending section.
6. The pressure-type trommel as claimed in claim 5, wherein: a connecting rod support is arranged above the upper horizontal connecting rod, extends along the horizontal direction and is fixed with the shell; go up horizontal connecting rod and connecting rod support fixed connection, be equipped with horizontal slot hole with vertical extension corresponding department on the connecting rod support, vertical extension is passed by horizontal slot hole.
7. The pressure-type trommel as claimed in claim 5, wherein: the swing driving telescopic cylinder is a cylinder, and two ends of the cylinder are provided with speed regulating valves.
8. A pressure type trommel as claimed in any one of claims 1 to 7 wherein: and nozzles pointing to the arc-shaped sieve plate are distributed on the arc-shaped flushing water pipe.
9. The pressure-type trommel as claimed in claim 8, wherein: the arc-shaped flushing water pipe is connected with a hose for supplying water to the arc-shaped flushing water pipe.
10. A pressure type trommel as claimed in any one of claims 1 to 7 wherein: an observation window is arranged on the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020059487.1U CN211772399U (en) | 2020-01-13 | 2020-01-13 | Pressure type sieve bend |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020059487.1U CN211772399U (en) | 2020-01-13 | 2020-01-13 | Pressure type sieve bend |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211772399U true CN211772399U (en) | 2020-10-27 |
Family
ID=72891849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020059487.1U Active CN211772399U (en) | 2020-01-13 | 2020-01-13 | Pressure type sieve bend |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211772399U (en) |
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2020
- 2020-01-13 CN CN202020059487.1U patent/CN211772399U/en active Active
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