CN113531158A

CN113531158A - Three-way disc valve for polycrystalline silicon

Info

Publication number: CN113531158A
Application number: CN202110872450.XA
Authority: CN
Inventors: 郑德宠
Original assignee: Jiutong Group Co ltd
Current assignee: Jiutong Group Co ltd
Priority date: 2021-07-30
Filing date: 2021-07-30
Publication date: 2021-10-22
Anticipated expiration: 2041-07-30
Also published as: CN113531158B

Abstract

The invention relates to the field of valves, in particular to a three-way disc valve for polycrystalline silicon, which comprises a hollow shell consisting of a bottom shell, a wall shell and a top shell which are distributed from bottom to top, two lower through pipes fixedly connected and communicated with the bottom shell, three upper through pipes fixedly connected and communicated with the top shell, and discs arranged in an upper layer and a lower layer and used for plugging and opening the communication, wherein the discs can do circular motion around a virtual cylindrical surface under the driving of an adjusting mechanism, and the circle centers of the cross sections of the lower through pipes and the upper through pipes are positioned on the virtual cylindrical surface so as to increase the selection of passages.

Description

Three-way disc valve for polycrystalline silicon

Technical Field

The invention relates to the field of valves, in particular to a three-way disc valve for polycrystalline silicon.

Background

The disc valve can be widely applied to various industries, such as lock hoppers, storage bins, reaction kettles, separators, pneumatic conveying, pump isolation and various pipelines in the industries of smelting, mining, power plants, coal gasification, coal liquefaction, glass, ceramics, refining and the like, and particularly can show excellent performance in the application of abrasion and erosion media. Although the disc valve has a plurality of advantages at present, the selection condition on the passage of the silicon powder pipeline is less, and the common disc valve is a single passage, so that the selection is limited, and the practicability is lower.

Disclosure of Invention

The invention provides a three-way disc valve for polycrystalline silicon, aiming at increasing the selection of a passage.

The above purpose is realized by the following technical scheme:

the utility model provides a tee bend is dish valve for polycrystalline silicon, includes the hollow shell that comprises drain pan, wall shell and the top shell that from bottom to top distributes to and rigid coupling and intercommunication two down siphunculus on the drain pan, and the rigid coupling and the intercommunication siphunculus on three on the top shell, its characterized in that: the circular plate is driven by an adjusting mechanism to do circular motion around a virtual cylindrical surface, and the circle centers of the cross sections of the lower through pipe and the upper through pipe are located on the virtual cylindrical surface.

The distribution areas of the three upper through pipes are positioned in a fan-shaped area with the central angle less than 180 degrees, and the number and the distribution of the discs on the upper layer correspond to those of the upper through pipes one by one.

The two lower through pipes are arranged in a mirror symmetry mode, and the number and the distribution of the discs on the lower layer correspond to those of the lower through pipes one to one.

The number of the disks at the lower layer can also be three, and the three disks are distributed in a circumferential array at equal intervals of 90 degrees.

The adjusting mechanism comprises a hollow shaft, an upper transmission frame, an inner shaft and a lower transmission frame, wherein the middle of the hollow shaft is rotatably connected to the top shell, the upper transmission frame is fixedly connected to the lower end of the hollow shaft, the middle of the inner shaft is rotatably connected to the inner part of the hollow shaft, and the lower transmission frame is fixedly connected to the lower end of the inner shaft; the upper layer of disc is fixedly connected to the upper transmission frame, and the lower layer of disc is fixedly connected to the lower transmission frame.

Drawings

A first perspective of the overall structure is illustrated in fig. 1;

a second perspective of the overall structure is illustrated in fig. 2;

a third perspective of the overall structure is illustrated in fig. 3;

FIG. 4 illustrates the bottom housing and housing base;

FIG. 5 illustrates the top shell and the up-going tube;

the internal structure is illustrated in fig. 6;

the disc is illustrated in fig. 7;

the relative positions of the inner and outer structures are illustrated in FIG. 8;

the housing seat is illustrated in FIG. 9;

the tray is illustrated in fig. 10.

Detailed Description

The utility model provides a tee bend is dish valve for polycrystalline silicon, refers to fig. 1 to 5, includes drain pan 11, wall shell 12, down siphunculus 13, top shell 21 and last siphunculus 22, the integrative wall shell 12 of upper end connection of drain pan 11, the lower extreme rigid coupling of drain pan 11 and two or three siphunculus 13 down of intercommunication, when siphunculus 13 quantity is two down, two siphunculus 13 bilateral mirror symmetry sets up down, when siphunculus 13 quantity is three down, three siphunculus 13 equidistant circumference array sets up and is in the sector area that the central angle is 180, top shell 21 is through using the bolt and nut subassembly with drain pan 11 to fix the upper end at wall shell 12.

Referring to fig. 6, the disc valve further includes a hollow shaft 31, an upper transmission frame 32, an inner shaft 34, and a lower transmission frame 35, wherein a middle portion of the hollow shaft 31 is rotatably connected to the top case 21, the upper transmission frame 32 is fixedly connected to a lower end of the hollow shaft 31, a middle portion of the inner shaft 34 is rotatably connected to the inside of the hollow shaft 31, the lower transmission frame 35 is fixedly connected to a lower side of the inner shaft 34, and a lower end of the inner shaft 34 is rotatably connected to an upper end of the bottom case 11.

The disc valve further comprises a disc 4, the disc 4 comprises a column shell 41, a disc body 42 and a compensation spring 43, referring to fig. 7, the column shell 41 is of an upper opening structure, the lower end of the disc body 42 is provided with an annular wall structure, the disc body 42 is slidably connected to the upper end of the column shell 41 through the annular wall structure, the compensation spring 43 is arranged in the column shell 41, and the compensation spring 43 is in a compressed state; the disc 4 is provided with an upper layer and a lower layer, the orientations of the two layers of discs 4 are opposite, the free end surface of the disc body 42 included in the disc 4 on the upper layer, namely the upper end surface of the disc body 42 shown in fig. 7 is attached to the inner end surface, namely the lower end surface, of the top shell 21, and the free end surface of the disc body 42 included in the disc 4 on the lower layer is attached to the inner end surface of the bottom shell 11.

Referring to fig. 6 and 8, the number of the upper-layer disks 4 is three, three disk bodies 42 included in the three disks 4 are fixedly connected to the upper transmission frame 32, the diameter of the communication port i formed by the communication between the upper through pipe 22 and the top shell 21 is smaller than that of the upper-layer disk body 42, the axial line of the communication port i or the center of the cross section of the upper through pipe 22 and the center of the cross section of the tray body 63 are both located on a virtual cylindrical surface, and therefore when the hollow shaft 31 rotates, the hollow shaft 31 drives the upper transmission frame 32 to rotate, and the upper transmission frame 32 drives the three disks 4 located on the upper layer to perform circular motion. Because of the position distribution of these three disc 4 is the same with the position distribution of three last siphunculus 22 among the circular motion process, three disc 4 that is located the upper strata can block off one in proper order, two and three intercommunication mouth I, through clockwise and anticlockwise rotation, can be preferential the different intercommunication mouth I that is located the limit end of shutoff, and then make the manifold choice of communicating path.

Further, the lower through pipe 13 is communicated with the bottom shell 11 to form a communication port II, the circle center of the cross section of the disc body 42 positioned on the lower layer and the circle center of the cross section of the lower through pipe 13 are also positioned on the virtual cylindrical surface, the axis around which the disc body 42 positioned on the lower layer and the disc body 42 positioned on the upper layer perform circular motion is the same, and therefore tight configuration is achieved, the two layers of discs 4 independently complete respective plugging and opening actions in a smaller space, and when two lower layer disc bodies 42 are arranged in left-right mirror symmetry, the two communication ports II can be plugged synchronously, or the two communication ports II can be opened synchronously, or the flow of the two communication ports II can be controlled synchronously. When the lower-layer disc body 42 is circumferentially provided with three communicating ports at equal intervals of 90 degrees, one communicating port II can be independently opened and the other communicating port II can be closed except for the control condition of the communicating port II, so that the communicating route can be further selected in a diversified manner. Further, the positions and the number of the discs 4 on the lower layer are the same as those of the discs 4 on the upper layer, and the positions and the number of the lower through pipes 13 are the same as those of the upper through pipes 22, so that a new communication route selection mode can be generated.

Referring to fig. 1 to 3 and 9, the disc-shaped optical disc further comprises a housing base 51, wherein the housing base 51 is detachably connected to both the bottom shell 11 and the top shell 21, the lower end surface of the top shell 21 coincides with the lower end surface of the bottom shell 11 on the top shell to form a through port i, the diameter of the through port i can ensure that the disc body 42 on the upper layer passes through, the lower end surface of the bottom shell 11 coincides with the lower end surface of the housing base 51 on the bottom shell to form a through port ii, and the through port ii can ensure that the disc body 42 on the lower layer passes through.

When two shell seats 51 are disassembled, the disc body 42 on the lower layer is pushed by the corresponding compensation spring 43 when passing through the through port I by circular motion, and the disc body 42 can move out of the hollow shell formed by the bottom shell 11, the wall shell 12 and the top shell 21 through the through port I and directly drop so as to be convenient for recovery and replacement. When the disc body 42 on the upper layer moves circularly through the passing opening II, the disc body can be moved out of the hollow shell through the passing opening II under the pushing of the corresponding compensating spring 43, and the free end face of the disc body 42 is higher than the top shell 21 at the moment, so that the disc body can be picked up conveniently.

Further, referring to fig. 10, the disc valve further includes a tray 6, the tray 6 includes a support member 61, a round bar 62, a tray body 63 and a rod head 64, the round bar 62 is slidably connected on the support member 61, the tray body 63 capable of generating suction force is fixedly connected to the upper end of the round bar 62, and the rod head 64 is fixedly connected to the lower end of the round bar 62 for facilitating taking and limiting. The tray 6 is provided with two upper and lower mirror images, two supporting pieces 61 are respectively fixedly connected to the bottom shell 11 and the top shell 21, two tray bodies 63 are respectively positioned at the outer sides of the two shell seats 51, namely, the tray body 63 positioned at the upper side is positioned right above the upper side shell seat 51, and the tray body 63 positioned at the lower side is positioned right below the lower side shell seat 51, so that no matter how the installation orientation of the disc valve is, when the disc body 42 falls out of the hollow shell, the corresponding tray body 63 can receive the disc body 42, after the disc body 42 is recovered, a new disc body 42 is placed on the tray body 63, the new disc body 42 is fixed by utilizing the suction force of the tray body 63, and the new disc body 42 is sent into the column shell 41 by the tray body 63 under the control of the round rod 62. When the disc body 42 is protruded out of the hollow shell by elasticity, the corresponding round rod 62 can be directly controlled to descend, the tray body 63 is driven to descend to suck the disc body 42, so that the disc body can be taken out, the tray body 63 can be limited in the corresponding through port I or the through port II when bouncing, and the disc body is prevented from falling into the hollow shell, so that the disc body is not convenient to take out.

Further, the driving of the hollow shaft 31 and the inner shaft 34 may be manual, positioned by conventional catch means, preferably controlled by a reduction motor. Set up gear motor I, make gear motor I's output shaft and interior 34 rigid coupling in order to control the disc 4 motion on upper strata, with the upper end rigid coupling gear I33 of hollow shaft 31, rotate axle 7 and connect in the upper end of top shell 21, rigid coupling gear II on axle 7, gear I33 and gear II meshing transmission, rigid coupling band pulley I on axle 7 sets up gear motor II, and rigid coupling band pulley II on gear motor II's output shaft, band pulley I and band pulley II pass through drive belt synchronous drive and are connected, and gear motor I and gear motor II pass through the rack-mount at top shell 21. The circumference is adopted for adjustment, the upper through pipe 22 is concentrated in one area, and related components of the speed reducing motor I and the speed reducing motor II are convenient to mount in the other area, so that the structure is compact, and the size is reduced.

Claims

1. The utility model provides a tee bend is dish valve for polycrystalline silicon, includes the hollow shell that comprises drain pan (11), wall shell (12) and top shell (21) that distribute from bottom to top to and rigid coupling and intercommunication down siphunculus (13) on drain pan (11), and rigid coupling and intercommunication siphunculus (22) on three on top shell (21), its characterized in that: the device is characterized by further comprising a disc (4) which is arranged in an upper layer and a lower layer and used for plugging and opening the communication, the disc (4) can do circular motion around a virtual cylindrical surface through the driving of an adjusting mechanism, and the circle centers of the cross sections of the lower through pipe (13) and the upper through pipe (22) are located on the virtual cylindrical surface.

2. The disc valve according to claim 1, wherein the distribution area of the three upper through pipes (22) is in a sector area with a central angle smaller than 180 degrees, and the number and the distribution of the upper-layer discs (4) are in one-to-one correspondence with the number and the distribution of the upper through pipes (22).

3. The disc valve according to claim 2, wherein the two lower through pipes (13) are arranged in mirror symmetry, and the number and distribution of the discs (4) on the lower layer correspond to those of the lower through pipes (13) one by one.

4. A disc valve according to claim 2, the lower disc (4) being three in number, the three discs (4) being arranged in a 90 degree equally spaced circumferential array.

5. Disc valve according to any of claims 1 to 4, the adjustment mechanism comprising a hollow shaft (31) rotatably connected with its middle part to the top shell (21), and an upper transmission bracket (32) fixed to the lower end of the hollow shaft (31), and an inner shaft (34) rotatably connected with its middle part to the inside of the hollow shaft (31), and a lower transmission bracket (35) fixed to the lower end of the inner shaft (34); the upper layer of disc (4) is fixedly connected on the upper transmission frame (32), and the lower layer of disc (4) is fixedly connected on the lower transmission frame (35).

6. Disc valve according to claim 5, the disc (4) comprising a cylindrical housing (41), and a disc body (42) slidingly connected to the cylindrical housing (41), and a compensation spring (43) arranged inside the cylindrical housing (41) and pushing against the disc body (42); the column shell (41) is fixedly connected with the corresponding upper transmission frame (32) or the corresponding lower transmission frame (35), and the disc body (42) is attached to the corresponding inner end face of the bottom shell (11) or the inner end face of the top shell (21).

7. A disc valve according to claim 6, further comprising a reduction motor I for driving the hollow shaft (31) in rotation, and a reduction motor II for driving the inner shaft (34) in rotation.

8. The disc valve according to claim 7, further comprising two housing seats (51) detachably connected to the bottom housing (11) and the top housing (21), respectively, inner end surfaces of the two housing seats (51) coinciding with inner end surfaces of the bottom housing (11) and the top housing (21), respectively, centers of cross-sectional circles of the two housing seats (51) being located on the virtual cylindrical surface, the cross-sectional area of the housing seats (51) being larger than the cross-sectional area of the disc body (42).

9. The disc valve according to any one of claims 6 to 8, further comprising a tray (6), wherein the tray (6) comprises a support member (61), a round rod (62) connected to the support member (61) in a sliding manner, a tray body (63) capable of generating suction force and fixedly connected to one end of the round rod (62), and a rod head (64) fixedly connected to the other end of the round rod (62), wherein the diameter of the rod head (64) is larger than that of the round rod (62); tray (6) upper and lower mirror symmetry is equipped with two, and two tray body (63) are located the outside of two shell seats (51) respectively and tray body (63) and shell seat (51) coaxial line set up.

10. Disc valve according to claim 9, the tray body (63) being a suction cup.