CN210619317U - Round roller air-locking combined rotary valve - Google Patents
Round roller air-locking combined rotary valve Download PDFInfo
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- CN210619317U CN210619317U CN201921589212.2U CN201921589212U CN210619317U CN 210619317 U CN210619317 U CN 210619317U CN 201921589212 U CN201921589212 U CN 201921589212U CN 210619317 U CN210619317 U CN 210619317U
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- feeding channel
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Abstract
The utility model relates to the technical field of rotary valves, in particular to a round roller air-locking combined rotary valve, which comprises a rotary valve body and a discharge box provided with a rotary roller, wherein the outlet of the discharge box is communicated with the feed inlet of the rotary valve body, and the roller can controllably convey materials in a feed channel into the discharge box by utilizing the rotation of the roller when rotating and fall into the outlet of the discharge box, the discharge box is arranged on the rotary valve body, and the flow velocity of the materials entering the rotary valve body is controlled by the arrangement of the roller and the feed channel, so that a storage tank on a rotor can not be filled, and the materials can be quantitatively fed, and the materials are prevented from being extruded into a gap between a blade and the inner wall of a rotor cavity when the storage tank is filled, thereby preventing the materials from being blocked, avoiding the phenomenon that the materials are sheared and crushed due to the blockage of the materials, and reducing the abrasion of the materials to the rotary valve body, the service life of the motor for providing power for the rotor is prolonged, and meanwhile, the requirement on air tightness can be ensured.
Description
Technical Field
The utility model belongs to the technical field of the rotary valve technique and specifically relates to a combination formula rotary valve is locked to round roller.
Background
The rotary valve is also called as a rotary feeder, a star-shaped feeder, an air seal device, an ash discharge valve, an air lock device or an impeller feeder, and mainly comprises a box body, a rotor and a transmission mechanism, wherein the rotor is rotatably arranged in the box body and is driven by a motor through the transmission mechanism to rotate, the box body is provided with a feed inlet and a discharge outlet, and materials are led in from the feed inlet of the box body and then are led out to the discharge outlet in batches through the rotation of the rotor (impeller);
at present, gaps between blades of an inner rotor of a rotary valve and the inner wall of a rotor cavity are usually controlled to be 0.2mm so as to meet the requirement of air locking of the rotary valve and prevent airflow in the rotor cavity from reversely flowing, and thus, the pressure difference between a feeding port and a discharging port of the rotary valve is controlled; however, the gap between the blade and the inner wall of the rotor cavity is small, so that the material is easily clamped between the blade and the rotor cavity when rotating along with the blade, for example, when large-sized activated carbon particles are processed, the activated carbon particles are usually clamped between the blade and the inner wall of the rotor cavity, and once the material is clamped, if the material is a particulate matter with high hardness, the motor is subjected to long-time load operation, so that the motor is burnt out, and if the material is a fragile particulate matter, the particulate matter is easily sheared and broken;
in summary, because of the requirement of the rotary valve to lock air, the problem of material jamming cannot be solved by increasing the gap between the blades of the rotor and the rotor cavity, and in view of this, how to solve the material jamming of the rotary valve is a technical problem that needs to be solved urgently by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: in order to solve the problem that the rotary valve is easy to block when processing particle materials in the prior art, the circular roller air-locking combined rotary valve is provided.
The utility model provides a technical scheme that its technical problem adopted is: a circular roller air-locking combined rotary valve comprises a rotary valve body and a discharge box provided with a rotary roller, wherein the discharge box is arranged above the rotary valve body, an outlet of the discharge box is communicated with a feed inlet of the rotary valve body, and a feed channel is arranged on the discharge box;
when the roller rotates, the roller can utilize the rotation of the roller to convey the materials in the feeding channel to the discharging box in a controllable manner, and the materials fall into an outlet of the discharging box.
The configuration of utilization at the discharge box in this scheme makes the controllable inflow of material to this internally, makes the stock chest on the rotor can not filled by, and can the quantitative feed to in this clearance of avoiding the stock chest when filling up the material crowded into between blade and the rotor intracavity wall, thereby prevent the phenomenon of material card stopper.
Further, the rotating speed of the roller is less than that of the inner rotor of the rotary valve body.
In order to reduce the impact force of the materials reaching the wheel surface of the roller along the feeding channel and avoid the crushing of the materials and the scouring abrasion of the roller, further, the feeding channel is arranged in a manner that the materials in the feeding channel obliquely flow into the wheel surface of the roller; therefore, the gravity of a part of the materials which obliquely flow into the roller can be shared by the feeding channel, and the impact of the materials on the roller is relieved.
In order to adjust the flow rate of materials entering the rotary valve body, furthermore, an opening at the bottom end of the feeding channel is positioned above the roller and is in contact with the wheel surface of the roller, and a first adjusting plate is arranged at the opening at the bottom end of the feeding channel and can be close to or far away from the roller; the first adjusting plate is moved to be away from the roller, a gap can be formed between the first adjusting plate and the wheel surface of the roller, so that the material at the opening at the bottom end of the feeding channel can only flow out from the gap between the first adjusting plate and the wheel surface of the roller, the size of the gap can be changed by moving the first adjusting plate, and the flow rate of the material can also be controlled.
Further, the first adjusting plate is fixed on the feeding channel through screws.
Furthermore, the bottom end opening of the feeding channel is low in one end and high in the other end, and the high end and the low end of the bottom end opening are both positioned on the same side of the roller.
Further, the first adjusting plate is located at the high end of the bottom opening.
In order to prevent the material from flowing out of the gap after the opposite side of the feeding channel and the first adjusting plate is abraded by the roller to form the gap, so that the flow rate of the material is uncontrollable, furthermore, a second adjusting plate is arranged at an opening at the bottom end of the feeding channel and is opposite to the first adjusting plate, and the second adjusting plate can be close to or far away from the roller; thereby make charge-in channel's bottom pass through second regulating plate and roller contact, after the second regulating plate is worn and torn the appearance clearance, can remove the second regulating plate again to with the wheel face contact of roller to prevent the uncontrollable phenomenon of material flow rate.
Further, the second regulating plate is fixed on the feeding passage by screws.
Furthermore, a first cleaning opening is formed in the top end of the discharge box, and a first sealing cover is covered at the first cleaning opening.
Furthermore, a second cleaning opening is formed in the side face of the discharging box, and a second sealing cover is covered at the second cleaning opening.
Further, the feed inlet of the rotary valve body is positioned right above the inner rotor of the rotary valve body.
Furthermore, the feed inlet of the rotary valve body is positioned above the rotor therein, and the feed inlet of the rotary valve body and the rotor are staggered.
The utility model has the advantages that: the utility model discloses an ingenious configuration discharge box on the rotary valve body of round roller lock gas combination formula rotary valve, and realize the control to entering into this internal material velocity of flow of rotary valve through setting up of roller and feedstock channel, make the stock chest on the rotor can not filled, and can quantitative feed, and avoid the stock chest with this in the clearance between crowded blade and the rotor intracavity wall of material when filling with, and then both can prevent material card stopper, can avoid again that the material that appears because of material card stopper is sheared broken phenomenon, still can reduce the material to the erosive wear of rotary valve body, improve the life of the motor that provides power for the rotor, can also ensure the gas tightness requirement simultaneously.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic view of a round roller air-lock combined rotary valve of the present invention;
fig. 2 is a schematic view of another round roller air-lock combined rotary valve of the present invention.
In the figure: 1. the rotary valve comprises a rotary valve body, 1-1 parts of a feed inlet, 1-2 parts of a rotor cavity, 2 parts of a discharge box, 2-1 parts of an outlet, 3 parts of a roller, 3-1 parts of a wheel surface, 4 parts of a feed channel, 4-1 parts of a bottom opening, 5 parts of a first adjusting plate, 6 parts of a second adjusting plate, 7 parts of a first sealing cover, 8 parts of a second sealing cover, 9 parts of a rotor, 9-1 parts of blades, 9-2 parts of a storage tank.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic drawings, which illustrate the basic structure of the invention only in a schematic way, and thus show only the components that are relevant to the invention, and the directions and references (e.g., upper, lower, left, right, etc.) may be used only to help describe the features in the drawings. The following detailed description is, therefore, not to be taken in a limiting sense, and the scope of the claimed subject matter is defined only by the appended claims and equivalents thereof.
Example 1
As shown in fig. 1 and 2, a circular roller air-locking combined rotary valve comprises a rotary valve body 1 and a discharge box 2 provided with a rotary roller 3, wherein the discharge box 2 is arranged above the rotary valve body 1, an outlet 2-1 of the discharge box 2 is communicated with a feed port 1-1 of the rotary valve body 1, and a feed channel 4 is arranged on the discharge box 2;
when the roller 3 rotates, the material in the feeding channel 4 can be controllably conveyed into the discharging box 2 by utilizing the autorotation of the roller, and falls into the outlet 2-1 of the discharging box 2.
The rotating speed of the roller 3 is less than that of the rotor 9 in the rotary valve body 1.
The feeding channel 4 is arranged so that the materials in the feeding channel obliquely flow into the wheel surface 3-1 of the roller 3; so that the gravity of a part of the material which obliquely flows into the roller 3 can be shared by the feeding channel 4, thereby slowing down the impact of the material on the roller 3.
The bottom opening 4-1 of the feeding channel 4 is positioned above the roller 3, the bottom opening 4-1 is in contact with the tread 3-1 of the roller 3, a first adjusting plate 5 is arranged at the bottom opening 4-1 of the feeding channel 4, and the first adjusting plate 5 can be close to or far away from the roller 3; by moving the first adjusting plate 5 away from the roller 3, a gap can be formed between the first adjusting plate 5 and the wheel surface 3-1 of the roller 3, so that the material at the bottom opening 4-1 of the feeding channel 4 can only flow out from the gap between the first adjusting plate 5 and the wheel surface 3-1 of the roller 3, and the size of the gap can be changed by moving the first adjusting plate 5, thereby controlling the flow rate of the material.
The first adjusting plate 5 is fixed on the feeding channel 4 through screws; specifically, a strip-shaped hole is formed in the first adjusting plate 5, and a screw on the first adjusting plate 5 passes through the strip-shaped hole and is in threaded connection with the feeding channel 4, so that when the screw is loosened, the first adjusting plate 5 can be moved to be close to or away from the roller 3.
One end of a bottom opening 4-1 of the feeding channel 4 is lower, the other end is higher, and the high end and the low end of the bottom opening 4-1 are both positioned on the same side of the roller 3.
The first adjusting plate 5 is positioned at the high end of the bottom end opening 4-1; so that when the roller 3 is not rotated, the materials are all stopped in the feeding channel 4.
A second adjusting plate 6 is further arranged at the bottom opening 4-1 of the feeding channel 4, the second adjusting plate 6 is arranged opposite to the first adjusting plate 5, actually, the second adjusting plate 6 is positioned at the lower end of the bottom opening 4-1, and the second adjusting plate 6 can be close to or far away from the roller 3; therefore, the bottom end of the feeding channel 4 is in contact with the roller 3 through the second adjusting plate 6, and after the second adjusting plate 6 is worn and a gap appears, the second adjusting plate 6 can be moved to be in contact with the wheel surface 3-1 of the roller 3 again, so that the phenomenon that the flow rate of materials is uncontrollable is prevented.
The second adjusting plate 6 is fixed on the feeding channel 4 through screws; specifically, a strip-shaped hole is formed in the second adjusting plate 6, and a screw on the second adjusting plate 6 passes through the strip-shaped hole and is in threaded connection with the feeding channel 4, so that when the screw is loosened, the second adjusting plate can be moved to be close to or away from the roller 3.
A first cleaning opening is formed in the top end of the discharging box 2, and a first sealing cover 7 is arranged at the position, covered by the first cleaning opening.
And a second cleaning opening is formed in the side surface of the discharge box 2, and a second sealing cover 8 is covered at the second cleaning opening.
The rotary valve body 1 of different types can be adopted in the round roller air-locking combined type rotary valve in the embodiment, for example: as shown in fig. 2, the feed port 1-1 of the rotary valve body 1 is positioned right above the rotor 9 therein; as shown in FIG. 1, the feed port 1-1 of the rotary valve body 1 is located above the rotor 9 therein, and the feed port 1-1 of the rotary valve body 1 and the rotor 9 are staggered with each other, i.e. the rotor 9 of the rotary valve body 1 is arranged eccentrically to the feed port 1-1 thereof.
In this embodiment, the rotary valve body 1 is a rotary valve in the prior art, and includes a rotor chamber 1-2 and a rotor 9 rotatably disposed in the rotor chamber 1-2, a plurality of blades 9-1 are circumferentially distributed on the rotor 9, and a storage tank 9-2 is formed between two adjacent blades 9-1.
In this embodiment, the rotor 9 and the roller 3 of the rotary valve body 1 are driven by a motor to rotate, the motor can drive the rotor 9 and the roller 3 to rotate after being decelerated by a speed reducer, the rotor 9 and the roller 3 can be respectively driven by different motors, and the same motor can also be driven after being decelerated by different deceleration ratios.
The working principle of the round roller air-locking combined type rotary valve of the embodiment is as follows:
after the materials obliquely flow into the wheel surface 3-1 of the roller 3 from the feeding channel 4, the materials can only flow out from the gap between the first adjusting plate 5 and the wheel surface 3-1 of the roller 3, when the roller 3 rotates, the materials flow out from the gap between the first adjusting plate 5 and the wheel surface 3-1 of the roller 3 along with the roller 3 by utilizing the friction force between the materials and the roller 3, enter the discharging box 2, and fall into the material storage tank 9-2 in the rotary valve body 1 from the outlet 2-1 of the discharging box 2.
The rotating speed of the roller 3 is controlled to be less than the rotating speed of the rotor 9 in the rotary valve body 1, so that the storage tank 9-2 on the rotor 9 can not be filled and can be fed quantitatively, and the phenomenon that materials are cut and broken due to material blockage when the storage tank 9-2 is filled with the materials and the materials are squeezed into a gap between the blade 9-1 and the inner wall of the rotor cavity 1-2 is avoided, so that the materials can be prevented from being blocked.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (13)
1. The utility model provides a combination formula rotary valve is locked to circle roller which characterized in that: the rotary valve comprises a rotary valve body (1) and a discharge box (2) provided with a rotary roller (3), wherein the discharge box (2) is arranged above the rotary valve body (1), an outlet (2-1) of the discharge box (2) is communicated with a feed inlet (1-1) of the rotary valve body (1), and a feed channel (4) is arranged on the discharge box (2);
when the roller (3) rotates, the roller can utilize the rotation of the roller to controllably convey materials in the feeding channel (4) to the discharging box (2) and fall into an outlet (2-1) of the discharging box (2).
2. The round roller air-lock combined rotary valve according to claim 1, wherein: the rotating speed of the roller (3) is less than that of the rotor (9) in the rotary valve body (1).
3. The round roller air-lock combined rotary valve according to claim 1, wherein: the feeding channel (4) is arranged to enable the materials in the feeding channel to obliquely flow into the wheel surface (3-1) of the roller (3).
4. The round roller air-lock combined rotary valve according to claim 1, wherein: the bottom opening (4-1) of the feeding channel (4) is located above the roller (3), the bottom opening (4-1) is in contact with the wheel surface (3-1) of the roller (3), a first adjusting plate (5) is arranged at the bottom opening (4-1) of the feeding channel (4), and the first adjusting plate (5) can be close to or far away from the roller (3) relatively.
5. The round roller air-lock combined rotary valve according to claim 4, wherein: the first adjusting plate (5) is fixed on the feeding channel (4) through screws.
6. The round roller air-lock combined rotary valve according to claim 4, wherein: one end of a bottom opening (4-1) of the feeding channel (4) is lower, the other end of the bottom opening is higher, and the high end and the low end of the bottom opening (4-1) are both positioned on the same side of the roller (3).
7. The round roller air-lock combined rotary valve according to claim 6, wherein: the first adjusting plate (5) is positioned at the high end of the bottom end opening (4-1).
8. The round roller air-lock combined rotary valve according to claim 4, wherein: a second adjusting plate (6) is further arranged at a bottom end opening (4-1) of the feeding channel (4), the second adjusting plate (6) is arranged opposite to the first adjusting plate (5), and the second adjusting plate (6) can be close to or far away from the roller (3) relatively.
9. The round roller air-lock combined rotary valve according to claim 8, wherein: the second adjusting plate (6) is fixed on the feeding channel (4) through screws.
10. The round roller air-lock combined rotary valve according to claim 1, wherein: a first cleaning opening is formed in the top end of the discharging box (2), and a first sealing cover (7) is arranged at the position, covered by the first cleaning opening.
11. The round roller air-lock combined rotary valve according to claim 1, wherein: and a second cleaning opening is formed in the side surface of the discharge box (2), and a second sealing cover (8) is arranged at the position of the second cleaning opening in a covering manner.
12. The round roller air-lock combined rotary valve according to claim 1, wherein: the feed inlet (1-1) of the rotary valve body (1) is positioned right above the rotor (9) in the rotary valve body.
13. The round roller air-lock combined rotary valve according to claim 1, wherein: the rotary valve is characterized in that a feed port (1-1) of the rotary valve body (1) is positioned above the rotor (9) in the rotary valve body, and the feed port (1-1) of the rotary valve body (1) and the rotor (9) are staggered.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2019213132435 | 2019-08-13 | ||
| CN201921313243 | 2019-08-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210619317U true CN210619317U (en) | 2020-05-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921589212.2U Active CN210619317U (en) | 2019-08-13 | 2019-09-23 | Round roller air-locking combined rotary valve |
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| Country | Link |
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| CN (1) | CN210619317U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113697503A (en) * | 2021-07-22 | 2021-11-26 | 南京翔瑞粉体工程有限公司 | Rotary valve for tandem connection of upper and lower two machines |
| CN116812467A (en) * | 2023-07-03 | 2023-09-29 | 江苏华兴压力容器有限公司 | Reaction kettle feeding rotary valve capable of controlling feeding |
-
2019
- 2019-09-23 CN CN201921589212.2U patent/CN210619317U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113697503A (en) * | 2021-07-22 | 2021-11-26 | 南京翔瑞粉体工程有限公司 | Rotary valve for tandem connection of upper and lower two machines |
| CN116812467A (en) * | 2023-07-03 | 2023-09-29 | 江苏华兴压力容器有限公司 | Reaction kettle feeding rotary valve capable of controlling feeding |
| CN116812467B (en) * | 2023-07-03 | 2024-06-07 | 江苏华兴压力容器有限公司 | Reaction kettle feeding rotary valve capable of controlling feeding |
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