CN216677268U - Negative pressure vibrating screen - Google Patents
Negative pressure vibrating screen Download PDFInfo
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- CN216677268U CN216677268U CN202123206446.4U CN202123206446U CN216677268U CN 216677268 U CN216677268 U CN 216677268U CN 202123206446 U CN202123206446 U CN 202123206446U CN 216677268 U CN216677268 U CN 216677268U
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- screen
- pipeline
- material distribution
- disc
- sucker
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Abstract
The utility model provides a negative pressure vibrating screen, and relates to the technical field of vibrating screens. The novel screen comprises a screen box, a screen is arranged in the screen box, a support is arranged on the side portion of the screen box, a material distribution device connected with the support is arranged on the upper portion of the screen, a sucker is arranged at the bottom of the screen, a liquid discharge pipe is arranged at the bottom of the sucker, a first pipeline is arranged on the inner wall of the sucker at the lower portion of the first pipeline, a second pipeline is arranged on the inner wall of the sucker at the lower portion of the first pipeline, a protective cylinder covering the first pipeline is arranged on the inner wall of the sucker, the sucker is in a quadrangular frustum shape, one end with a small width is located at the lower portion, the first pipeline is communicated with a vacuum hose, the second pipeline is communicated with an air injection hose, the edge of the sucker is connected with the edge of the screen, a sealing ring is arranged between the edge of the sucker and the edge of the screen, and valves are arranged on the first pipeline, the second pipeline and the liquid discharge pipe.
Description
Technical Field
The utility model relates to the technical field of vibrating screens, in particular to a negative pressure vibrating screen.
Background
The vibrating screen is used in solid mud treating mechanical separating apparatus, and consists of mainly screen and vibrator. The mesh size is usually 50 mesh or less, and is usually a coarse mesh, and 80 mesh or more is a fine mesh. The vibrator is an eccentric wheel and is driven by the motor to rotate, so that the sieve frame vibrates. Due to the vibration of the sieve frame, when the mud flows onto the sieve surface, the thick solid particles are remained on the sieve surface and are discharged from one end along the inclined surface, and the thin solid-phase particles or mud liquid are sieved out through the sieve holes.
In the prior art, the negative pressure vibrating screen can adsorb solid particles while reducing the liquid content of drilling cuttings due to the adsorption effect of negative pressure, so that the solid particles and the like are adsorbed on the screen and generate accumulation, the liquid removal effect is poor, the treatment capacity is reduced, and the screen needs to be manually cleaned after being used for a certain time.
SUMMERY OF THE UTILITY MODEL
The utility model aims to develop a negative pressure vibrating screen which can prevent solid particles from being adsorbed on a screen mesh to reduce the liquid removal efficiency of the screen mesh.
The utility model is realized by the following technical scheme:
a negative pressure shaker comprising:
a screen box;
the screen is arranged in the screen box;
the bracket is arranged on the side part of the screen box;
the distributing device is arranged on the upper part of the screen and connected with the bracket;
the sucker is arranged at the bottom of the screen;
the liquid discharge pipe is arranged at the bottom of the sucker;
the first pipeline is arranged on the inner wall of the sucker;
the second pipeline is arranged on the inner wall of the sucker at the lower part of the first pipeline;
the protective cylinder is arranged on the inner wall of the sucker and covers the first pipeline;
the sucking disc is quadrangular frustum pyramid-shaped, the end with the smaller width is located at the lower part, the first pipeline is communicated with the vacuum hose, the second pipeline is communicated with the air injection hose, the edge of the sucking disc is connected with the edge of the screen, a sealing ring is arranged between the edge of the sucking disc and the edge of the screen, and valves are arranged on the first pipeline, the second pipeline and the liquid discharge pipe.
Optionally, an opening is formed in one end, close to the bottom of the sucker, of the protective cylinder, and the communication position of the first pipeline and the sucker is located in the higher end of the protective cylinder.
Optionally, the second pipeline is obliquely arranged, and an end of the second pipeline communicated with the suction cup is a lower end.
Optionally, the sieve box is arranged on the upper portion of the base, a rubber spring is arranged between the sieve box and the base, a support rod is arranged at the top of the sieve box, and a vibration motor is arranged on the support rod.
Optionally, the material distribution device includes:
a material distribution disc;
the distributing groove is arranged on the distributing plate;
the cloth cover is arranged at the upper part of the cloth disc;
the cloth opening is arranged on the cloth cover;
two ends of the structural rod are respectively connected with the cloth cover and the cloth disc;
the feeding hopper is communicated with the material distribution port and is rotationally connected with the material distribution port;
the stirring mechanism is arranged in the feed hopper;
the driving source drives the cloth cover to rotate;
the feeding hopper is connected with the support, the material distribution disc is in a circular truncated cone shape, the smaller end of the diameter of the material distribution disc faces upwards, the material distribution groove is a circular groove which is coaxially arranged with the material distribution disc, a connecting rod connected with two side walls of the material distribution groove is arranged in the material distribution groove, and a center hole is formed in the center of the material distribution disc.
Optionally, the width of the plurality of distributing grooves from the center to the outer side is gradually increased, and the distance between adjacent distributing grooves from the center to the outer side is gradually decreased.
Optionally, the material distribution cover is in a shape of a circular truncated cone coaxial with the material distribution disc and parallel to each other, and the material distribution port is arranged in the center of the material distribution cover.
Optionally, a guard plate is arranged at the edge of the cloth cover, the guard plate is vertically arranged along the edge of the cloth cover, and a gap exists between the guard plate and the edge of the cloth disc.
Optionally, the rabbling mechanism is including rotating the (mixing) shaft of locating in the feeder hopper, be equipped with stirring leaf and puddler on the (mixing) shaft, the (mixing) shaft top is equipped with rather than the base of rotating the connection, the base lateral wall is equipped with the pull rod of being connected with the feeder hopper, be equipped with the motor of being connected with the (mixing) shaft transmission on the base, the stirring leaf is helical blade, be equipped with the guard shield that covers the motor in inside on the base.
Optionally, the driving source includes a connection ring disposed at the top of the material distribution cover, a ring gear coaxial with the material distribution plate is disposed on the connection ring, a gear engaged with the ring gear is disposed on the ring gear, a motor connected to the gear in a transmission manner is disposed on the gear, and the motor is connected to the support.
The utility model has the beneficial effects that:
the negative pressure sucker is arranged at the bottom of the screen, so that the separation efficiency of the vibrating screen is improved, the sucker is filled with air flow to eject solid particles and impurities adsorbed by the negative pressure on the screen, the solid particles and the impurities are prevented from being attached to the screen and being accumulated to reduce the liquid removal efficiency of the screen, slurry falls from the material distribution plate, the material distribution grooves on the material distribution plate for feeding and discharging are annularly arranged, the material discharging is more uniform, the screening efficiency is improved, and the low screening efficiency caused by a large amount of accumulated materials is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a block diagram of the present invention;
FIG. 2 is a view showing the structure of a distribution device;
fig. 3 is a cloth intertwining pattern.
Detailed Description
In the following, only certain exemplary embodiments are briefly described. As those skilled in the art can appreciate, the described embodiments may be modified in various different ways, without departing from the spirit or scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present invention, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present invention.
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1 to 3, the utility model discloses a negative pressure vibrating screen, which comprises a base 16, wherein a screen box 17 is arranged at the upper part of the base 16, a rubber spring 21 is arranged between the screen box 17 and the base 16, a brace 18 is arranged at the top of the screen box 17, and a vibrating motor 19 is arranged on the brace 18.
Be equipped with screen cloth 22 in the sieve case 17, screen cloth 22 bottom is equipped with sucking disc 23, and sucking disc 23 is the small one end of four prismatic table shapes and width and is located the lower part, and 23 marginal and the screen cloth 22 edge joint of sucking disc are equipped with the sealing washer between 23 marginal and the screen cloth 22 edges of sucking disc for be confined cavity in the sucking disc 23.
The bottom of the sucking disc 23 is provided with a liquid discharge pipe 27, the liquid discharge pipe 27 is provided with a valve, the lateral part of the sucking disc 23 is provided with a first pipeline 25 communicated with the first pipeline, the lower part of the first pipeline 25 is provided with a second pipeline 26 communicated with the sucking disc 23, the first pipeline 25 and the second pipeline 26 are provided with valves, the first pipeline 25 is communicated with a vacuum hose, the second pipeline 26 is communicated with an air injection hose, the vacuum hose is communicated with a vacuum pump to suck the inside of the sucking disc 23, and the air injection hose is connected with an air source to inject air into the sucking disc 23.
The inner wall of the sucker 23 is correspondingly provided with a protective cylinder 24 covering the first pipeline 25, one end, close to the bottom of the sucker 23, of the protective cylinder 24 is provided with an opening, the communication position of the first pipeline 25 and the sucker 23 is located in the higher end of the protective cylinder 24, the protective cylinder 24 has a certain length, the protective cylinder 24 blocks liquid left by the screen 22, and the liquid is prevented from being sucked by the first pipeline 25. The second pipeline 26 is obliquely arranged, and the end part of the second pipeline 26 communicated with the suction cup 23 is a lower end, so that liquid is prevented from flowing back into the second pipeline 26.
The upper part of the screen mesh 22 is provided with a material distribution device, and the side part of the screen box 17 is provided with a bracket 20 which is connected with the material distribution device and fixes the material distribution device. The distributing device comprises a distributing disc 1, a distributing cover 6 is arranged on the upper portion of the distributing disc 1, a certain distance exists between the distributing cover 6 and the distributing disc 1 to form a distributing cavity, and a plurality of structural rods 5 which are vertically arranged and connected with the distributing cover 6 are uniformly arranged on the distributing disc 1.
The cloth disc 1 is in a round table shape, the smaller end of the cloth disc 1 is downward, the center of the cloth disc 1 is provided with a center hole 4, and the center hole 4 penetrates through the cloth disc 1.
The cloth tray 1 is provided with a plurality of cloth chutes 2, the cloth chutes 2 penetrate through the cloth tray 1, the cloth chutes 2 are circular grooves, and the cloth chutes 2 are arranged coaxially with the central hole 4 and the cloth tray 1.
The width of the distributing grooves 2 from the center to the outer side on the distributing plate 1 is gradually increased, and the distance between the adjacent distributing grooves 2 from the center to the outer side on the distributing plate 1 is gradually reduced. The distributing chute 2 is internally provided with connecting rods 3, the two ends of each connecting rod 3 are respectively connected with the two side walls of the distributing chute 2, and a plurality of connecting rods 3 arranged in the distributing chute 2 are uniformly arranged at equal intervals in the circumferential direction.
The cloth cover 6 is in a round table shape, the cloth cover 6 and the cloth disc 1 are in a coaxial state and are parallel to each other, a protection plate 7 is arranged on the edge of the cloth cover 6, the protection plate 7 is vertically arranged along the edge of the cloth cover 6, and the protection plate 7 is spaced from the edge of the cloth disc 1 by a certain distance. The center of the top of the cloth cover 6 is provided with a cloth opening, the upper part of the cloth cover 6 is provided with a feed hopper 11, the lower part of the feed hopper 11 is in a round table shape, the smaller diameter end of the feed hopper faces downwards, the bottom of the feed hopper 11 is provided with a feed pipe coaxial with the feed hopper, and the feed pipe is rotatably connected with the cloth opening at the top of the cloth cover 6.
The cloth cover 6 is provided with a driving source for driving the cloth cover to rotate, the driving source comprises a connecting ring arranged at the top of the cloth cover 6, the connecting ring is of a circular structure and protrudes out of the top of the cloth cover 6 by a certain height, and the connecting ring and the cloth cover 6 are coaxially arranged. The connecting ring is provided with ring teeth 8, the ring teeth 8 and the cloth cover 6 are coaxially arranged, the side part of the ring teeth 8 is provided with a gear 9 meshed with the ring teeth, and a second motor 10 is in transmission connection with the gear 9 to drive the gear to rotate. The second motor 10 operates to drive the cloth cover 6 to rotate, and the cloth cover 6 drives the cloth disc 1 to synchronously rotate.
Be equipped with rabbling mechanism in the feeder hopper 11, rabbling mechanism locates the (mixing) shaft 13 in the feeder hopper 11 including rotating, (mixing) shaft 13 and feeder hopper 11 and be in coaxial state, and (mixing) shaft 13 top is equipped with rather than the base of rotating the connection, is equipped with a plurality of pull rods on the base outer wall, and pull rod and 11 interior wall connections of feeder hopper pass through pull rod fixed baseplate and (mixing) shaft 13. The base is provided with a first motor 12, the first motor 12 is in transmission connection with the stirring shaft 13, and the base is further provided with a shield for covering the first motor 12 inside.
Stirring shaft 13 is provided with stirring blades 15, stirring blades 15 are helical blades, stirring shaft 13 is provided with a plurality of stirring rods 14, and stirring rods 14 are uniformly arranged on stirring shaft 13 at equal intervals. The feed hopper 11 and the second motor 10 are connected with the bracket 20, and the feed hopper 11 and the second motor 10 are fixed by the bracket 20.
Mud gets into feeder hopper 11, and mud gets into the inlet pipe in feeder hopper 11, and first motor 12 drive (mixing) shaft 13 rotates, and stirring leaf 15 and puddler 14 stir mud, prevent that the mud from flowing too slowly or blockking up in feeder hopper 11 to stirring leaf 15 is helical blade, and stirring leaf 15 rotates and impresses mud in the inlet pipe. The slurry enters a distributing cavity between the distributing cover 6 and the distributing disc 1 through the feeding pipe, the second motor 10 operates to drive the distributing cover 6 and the distributing disc 1 to rotate, the slurry falls into the center of the distributing disc 1 through the feeding pipe, the distributing disc 1 is in a circular truncated cone shape, the slurry is diffused to the periphery of the distributing disc 1, part of the slurry in the center of the distributing disc 1 falls through the center hole 4, and when the slurry is diffused to the outer side of the distributing disc 1, the slurry sequentially passes through the distributing grooves 2 and falls through the distributing grooves 2. The closer to the center of the distributing plate 1, the larger the amount of the slurry is, the larger the pressure of the slurry at the bottom is, therefore, the flow rate of the slurry in the inner distributing chute 2 is greater than that of the slurry in the outer distributing chute 2, by setting the width of the distributing chute 2 and the density of the distributing chute 2, the width of the distributing chute 2 is also the distance between the adjacent distributing chutes 2, the greater the density of the distributing chute 2 is, the smaller the distance between the adjacent distributing chutes 2 is, otherwise, the smaller the density of the distributing chute 2 is, the greater the distance between the adjacent distributing chutes 2 is, the smaller the width of the inner distributing chute 2 is, the smaller the density of the inner distributing chute 2 is, the smaller the flow difference between the slurry in the inner distributing chute 2 and the outer chute 2 is, the condition that the slurry left at the edge of the distributing chute 2 falls from the edge of the distributing chute 2 is avoided, the distributing plate 1 and the distributing cover 6 rotate to drive the slurry to rotate, the slurry flows to the outer side of the material distribution plate 1 under a certain centrifugal force, the flow speed of the slurry in the material distribution cavity is increased, the problem that the discharging efficiency is reduced due to the slow flow speed of the slurry in the material distribution cavity is solved, the slurry can be prevented from being thrown out by the protection plate 7, and the protection plate 7 limits the discharging range of the slurry.
The slurry falls on the screen 22, the vibration motor 19 drives the screen box 17 to vibrate, the screen 22 vibrates, the valve of the second pipeline 26 is closed, the valve of the first pipeline 25 is opened, the vacuum pump operates to suck the suction cup 23, the suction cup 23 is in a negative pressure state, the slurry is subjected to solid-liquid separation on the screen 22, and the liquid enters the suction cup 23 through the screen 22 and is discharged through the liquid discharge pipe 27. After the screening operation is completed, the valves of the first pipeline 25 and the liquid discharge pipe 27 are closed, the valve of the second pipeline 26 is opened, and the suction cup 23 is filled with gas with a certain pressure, so that the air flow is ejected from the screen 22 to eject the solid particles adsorbed on the screen 22, the solid particles are prevented from being clamped on the screen 22, the vibration motor 19 operates, and the vibrated screen 22 enables the ejected solid particles to be discharged out of the screen 22.
According to the vibrating screen, the negative pressure sucker 23 is arranged at the bottom of the screen 22, so that the separation efficiency of the vibrating screen is improved, the sucker 23 is filled with air flow to eject solid particles and impurities adsorbed on the screen 22 due to negative pressure, the solid particles and the impurities are prevented from being attached to the screen 22 and being accumulated to reduce the liquid removal efficiency of the screen, mud falls from the distributing plate 1, the distributing grooves 2 on the distributing plate 1 are annularly arranged, the material is discharged more uniformly, the screening efficiency is improved, and the low screening efficiency caused by a large amount of accumulated materials is avoided.
The above embodiments are only preferred embodiments of the present invention, and are not intended to limit the technical solutions of the present invention, so long as the technical solutions can be realized on the basis of the above embodiments without creative efforts, which should be considered to fall within the protection scope of the patent of the present invention.
Claims (10)
1. A negative pressure shaker, comprising:
a screen box;
the screen is arranged in the screen box;
the bracket is arranged on the side part of the screen box;
the distributing device is arranged on the upper part of the screen and connected with the bracket;
the sucker is arranged at the bottom of the screen;
the liquid discharge pipe is arranged at the bottom of the sucker;
the first pipeline is arranged on the inner wall of the sucker;
the second pipeline is arranged on the inner wall of the sucker at the lower part of the first pipeline;
the protective cylinder is arranged on the inner wall of the sucker and covers the first pipeline;
the sucking disc is quadrangular frustum pyramid-shaped, the end with the smaller width is located at the lower part, the first pipeline is communicated with the vacuum hose, the second pipeline is communicated with the air injection hose, the edge of the sucking disc is connected with the edge of the screen, a sealing ring is arranged between the edge of the sucking disc and the edge of the screen, and valves are arranged on the first pipeline, the second pipeline and the liquid discharge pipe.
2. The negative-pressure vibrating screen as claimed in claim 1, wherein an opening is formed in one end of the protective cylinder, which is close to the bottom of the suction cup, and the communication position of the first pipeline and the suction cup is located in the higher end of the protective cylinder.
3. The negative pressure vibrating screen as claimed in claim 1, wherein the second pipe is disposed at an angle, and the end of the second pipe communicating with the suction cup is a lower end.
4. The negative-pressure vibrating screen as claimed in claim 1, wherein the screen box is arranged on the upper portion of the base, a rubber spring is arranged between the screen box and the base, a support rod is arranged on the top of the screen box, and a vibrating motor is arranged on the support rod.
5. The negative pressure vibrating screen of claim 1, wherein the distribution device comprises:
a material distribution disc;
the material distribution groove is arranged on the material distribution disc;
the cloth cover is arranged on the upper part of the cloth disc;
the cloth opening is arranged on the cloth cover;
two ends of the structural rod are respectively connected with the cloth cover and the cloth disc;
the feeding hopper is communicated with the material distribution port and is rotationally connected with the material distribution port;
the stirring mechanism is arranged in the feed hopper;
the driving source drives the cloth cover to rotate;
the feeding hopper is connected with the support, the material distribution disc is in a circular truncated cone shape, the smaller end of the diameter of the material distribution disc faces upwards, the material distribution groove is a circular groove which is coaxially arranged with the material distribution disc, a connecting rod connected with two side walls of the material distribution groove is arranged in the material distribution groove, and a center hole is formed in the center of the material distribution disc.
6. The negative pressure vibrating screen as claimed in claim 5, wherein the width of the distributing grooves on the distributing tray increases gradually from the center to the outer side, and the distance between adjacent distributing grooves on the distributing tray decreases gradually from the center to the outer side.
7. The negative-pressure vibrating screen as claimed in claim 5, wherein the material distribution cover is in a shape of a truncated cone coaxial with the material distribution plate and parallel to the material distribution plate, and the material distribution port is formed in the center of the material distribution cover.
8. The negative-pressure vibrating screen as claimed in claim 5, wherein a guard plate is arranged on the edge of the cloth cover, the guard plate is vertically arranged along the edge of the cloth cover, and a gap exists between the guard plate and the edge of the cloth disc.
9. The negative-pressure vibrating screen as claimed in claim 5, wherein the stirring mechanism comprises a stirring shaft rotatably disposed in the feeding hopper, the stirring shaft is provided with a stirring blade and a stirring rod, the top end of the stirring shaft is provided with a base rotatably connected with the stirring shaft, the side wall of the base is provided with a pull rod connected with the feeding hopper, the base is provided with a motor in transmission connection with the stirring shaft, the stirring blade is a helical blade, and the base is provided with a shield covering the motor inside.
10. The negative-pressure vibrating screen as claimed in claim 5, wherein the driving source comprises a connecting ring arranged at the top of the cloth cover, the connecting ring is provided with a ring gear coaxial with the cloth plate, the ring gear is provided with a gear engaged with the ring gear, the gear is provided with a motor in transmission connection with the gear, and the motor is connected with the bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123206446.4U CN216677268U (en) | 2021-12-20 | 2021-12-20 | Negative pressure vibrating screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123206446.4U CN216677268U (en) | 2021-12-20 | 2021-12-20 | Negative pressure vibrating screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216677268U true CN216677268U (en) | 2022-06-07 |
Family
ID=81840552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123206446.4U Active CN216677268U (en) | 2021-12-20 | 2021-12-20 | Negative pressure vibrating screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216677268U (en) |
-
2021
- 2021-12-20 CN CN202123206446.4U patent/CN216677268U/en active Active
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