External cyclone separator

Abstract

The external cyclone separator comprises a separator body and an anti-blocking mechanism, the anti-blocking mechanism is connected to the lower portion of the separator body, the separator body comprises a gas inlet, a dusty gas inlet, an upper conical section, a lower conical section and a discharge port, the discharge port is connected to the anti-blocking mechanism, the lower conical section is connected to the discharge port, and the upper conical section is connected to the lower conical section. The lower end of the upper conical section is inserted into the lower conical section, the dust-containing gas inlet is formed in the upper end of the side face of the upper conical section, and the gas inlet is formed in the top of the upper conical section. And the inner wall of the anti-blocking bin is scraped through the scraping plate, so that accumulation is avoided, and use is not affected.

Description

Technical Field

[0001] The utility model belongs to the technical field of cyclone separators, in particular to an external cyclone separator. Background Art

[0002] The separator is placed outside the reactor and uses centrifugal force to separate silicon powder from the synthesis gas. Its operating temperature is 280-320℃, operating pressure is 0.25Mpa (G), design temperature is 350℃, design pressure is 0.5Mpa (G); separation effect: 15μm particle separation efficiency ≥98%, 10μm particle separation efficiency ≥95%, 5μm particle separation efficiency ≥90%, and can operate continuously for 7200h per year.

[0003] However, the filter was worn through at the vertebral neck after about 2 months of operation (see Figure 1 During operation, the silicon powder spirals down from top to bottom, and is quickly worn out due to the wear between the silicon powder and the equipment. Therefore, an external cyclone separator is proposed. Utility Model Content

[0004] The utility model aims to overcome the problem in the prior art that silicon powder easily wears through the vertebral neck of the equipment, and provides an external cyclone separator that reduces wear by changing the upper cone section and the lower cone section to be narrow at the top and wide at the bottom.

[0005] In order to achieve the above-mentioned purpose, the utility model provides an external cyclone separator, including a separator body and an anti-blocking mechanism, the anti-blocking mechanism is connected under the separator body, the separator body includes a gas inlet, a dust-containing gas inlet, an upper cone section, a lower cone section and an exhaust port, the exhaust port is connected to the anti-blocking mechanism, the lower cone section is connected to the exhaust port, the lower end of the upper cone section is inserted into the lower cone section, the dust-containing gas inlet is arranged at the upper end of the side of the upper cone section, and the gas inlet is arranged at the top of the upper cone section.

[0006] Preferably, the anti-blocking mechanism includes an anti-blocking bin, a cross bar, a vertical bar, an insertion rod, a shell, a rotating ring, a toothed disc, a first gear, a driving motor and a scraper. The anti-blocking bin is connected to the lower cone section, the driving motor is arranged on the outer side surface of the anti-blocking bin, the shell is arranged at the lower end of the inner wall side surface of the anti-blocking bin, the first gear is arranged in the shell and fixedly connected to the driving motor, the toothed disc is rotatably arranged in the shell, the toothed disc is meshingly connected to the first gear, the rotating ring penetrates through the inner wall side surface of the shell and is fixedly connected to the toothed disc, the insertion rod is symmetrically arranged on the inner wall side surface of the rotating ring, the vertical rod is fixedly arranged between the insertion rods, the cross bar is symmetrically arranged on both sides of the vertical rod, and the scraper is arranged on the side surface of the cross bar and movably arranged on the inner wall side surface of the anti-blocking bin.

[0007] Preferably, grooves are provided at the upper and lower ends of the center of the rotating ring, and the rotating ring is sleeved on the side wall of the shell through the grooves.

[0008] Preferably, the rotating ring is provided with two groups, the toothed disc is provided with an auxiliary rod, and the auxiliary rod is connected to the side surface of the rotating ring.

[0009] Preferably, the scraper is divided into two parts, and the scraper is respectively arranged on the upper and lower parts of the shell, and the two parts of the scraper are connected to the cross bar.

[0010] The beneficial effects of the utility model are:

[0011] The utility model cleverly reduces the scouring and wear of the equipment by silicon powder by changing the equipment structure, thereby increasing the service life of the equipment, and by arranging an anti-blocking mechanism, a scraper is used to scrape the inner wall of the anti-blocking bin to avoid accumulation and influence on use. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of an existing external cyclone separator.

[0013] Figure 2 The utility model is a structural schematic diagram of an external cyclone separator.

[0014] Figure 3 yes Figure 2 Diagram of the internal structure of the anti-blocking mechanism.

[0015] In the figure: 1. separator body; 2. anti-blocking mechanism; 3. gas inlet; 4. dust-containing gas inlet; 5. upper cone section; 6. lower cone section; 7. discharge port; 8. anti-blocking bin; 9. cross bar; 10. vertical bar; 11. plug rod; 12. outer shell; 13. rotating ring; 14. toothed disc; 15. first gear; 16. driving motor; 17. scraper; 18. auxiliary rod, 19. groove. DETAILED DESCRIPTION

[0016] The following is combined with Figure 1-3 , clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc. indicating orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, specific orientation structure and operation, and therefore should not be understood as a limitation on the present invention.

[0018] The present embodiment provides an external cyclone separator, comprising a separator body 1 and an anti-blocking mechanism 2, the anti-blocking mechanism 2 is connected to the bottom of the separator body 1, the separator body 1 comprises a gas inlet 3, a dust-containing gas inlet 4, an upper cone section 5, a lower cone section 6 and an exhaust port 7, the exhaust port 7 is connected to the anti-blocking mechanism 2, the lower cone section 6 is connected to the exhaust port 7, the lower end of the upper cone section 5 is inserted into the lower cone section 6, the dust-containing gas inlet 4 is arranged at the upper end of the side of the upper cone section 5, and the gas inlet is arranged at the top of the upper cone section 5.

[0019] In one embodiment, specifically, the anti-blocking mechanism 2 includes an anti-blocking bin 8, a cross bar 9, a vertical bar 10, a plug rod 11, a shell 12, a rotating ring 13, a toothed disc 14, a first gear 15, a drive motor 16 and a scraper 17. The anti-blocking bin 8 is connected to the lower cone section 6, the drive motor 16 is arranged on the outer side of the anti-blocking bin 8, the shell 12 is arranged at the lower end of the inner wall side of the anti-blocking bin 8, the first gear 15 is arranged in the shell 12 and is fixedly connected to the drive motor 16, the toothed disc 14 is rotatably arranged in the shell 12, the toothed disc 14 is meshed and connected to the first gear 15, the rotating ring 13 passes through the inner wall side of the shell 12 and is fixedly connected to the toothed disc 14 The arrangement is that the insertion rod 11 is symmetrically arranged on the inner wall side of the rotating ring 13, the vertical rod is fixedly arranged between the insertion rods 11, the cross rod 9 is symmetrically arranged on both sides of the vertical rod 10, the scraper 17 is arranged on the side of the cross rod 9 and is movably arranged on the inner wall side of the anti-blocking bin 8, the scraper 17 is divided into two parts, the scraper 17 is respectively arranged on the upper and lower sides of the outer shell 12, and the two parts of the scraper 17 are connected to the cross rod 9, the driving motor 16 drives the first gear 15 to rotate, the first gear 15 drives the rotating ring 13 to rotate through the toothed disc 14, the rotating ring 13 drives the scraper 17 to rotate through the insertion rod 11, the vertical rod 10 and the cross rod 9, and the inner wall of the anti-blocking bin 8 is cleaned by the scraper 17.

[0020] In one embodiment, specifically, grooves 19 are provided at the upper and lower ends of the center of the rotating ring 13 , and the rotating ring 13 is sleeved on the side wall of the housing 12 through the grooves 19 .

[0021] In one embodiment, specifically, the rotating ring 13 is provided with two groups, the toothed disc 14 is provided with an auxiliary rod 18 , and the auxiliary rod 18 is connected to the side of the rotating ring 13 .

[0022] The working process of the external cyclone separator in this embodiment is as follows: when in use, due to the design of the cone section that is narrow at the top and wide at the bottom, the silicon powder particles cannot rub against the inner wall of the cone section, thereby reducing the scouring and wear of the equipment by the silicon powder, thereby increasing the service life of the equipment, and the driving motor 16 drives the first gear 15 to rotate, the first gear 15 drives the rotating ring 13 to rotate through the toothed disc 14, the rotating ring 13 drives the scraper 17 to rotate through the plug rod 11, the vertical rod 10 and the horizontal rod 9, and the scraper 17 is used to clean the inner wall of the anti-blocking bin 8 to avoid accumulation affecting use.

[0023] The above contents are merely examples and explanations of the structure of the utility model. The technicians in this technical field may make various modifications or additions to the specific embodiments described or replace them in a similar manner. As long as they do not deviate from the structure of the utility model or exceed the scope defined in the claims, they should all fall within the protection scope of the utility model.

Claims

1. An external cyclone separator, characterized in that: The separator comprises a separator body (1) and an anti-blocking mechanism (2), wherein the anti-blocking mechanism (2) is connected to the bottom of the separator body (1), and the separator body (1) comprises a gas inlet (3), a dust-containing gas inlet (4), an upper cone section (5), a lower cone section (6) and an outlet (7), wherein the outlet (7) is connected to the anti-blocking mechanism (2), the lower cone section (6) is connected to the outlet (7), the lower end of the upper cone section (5) is inserted into the lower cone section (6), the dust-containing gas inlet (4) is arranged at the upper end of the side of the upper cone section (5), and the gas inlet is arranged at the top of the upper cone section (5).

2. The external cyclone separator according to claim 1, characterized in that: The anti-blocking mechanism (2) comprises an anti-blocking bin (8), a cross bar (9), a vertical bar (10), an insertion rod (11), a housing (12), a rotating ring (13), a toothed disc (14), a first gear (15), a driving motor (16) and a scraper (17); the anti-blocking bin (8) is connected to the lower cone section (6); the driving motor (16) is arranged on the outer side surface of the anti-blocking bin (8); the housing (12) is arranged at the lower end of the inner wall side surface of the anti-blocking bin (8); the first gear (15) is arranged in the housing (12) and is fixedly connected to the driving motor (16); 6), the toothed disc (14) is rotatably arranged in the housing (12), the toothed disc (14) is meshedly connected to the first gear (15), the rotating ring (13) passes through the inner wall side of the housing (12) and is fixedly connected to the toothed disc (14), the insertion rods (11) are symmetrically arranged on the inner wall side of the rotating ring (13), the vertical rods are fixedly arranged between the insertion rods (11), the cross rods (9) are symmetrically arranged on both sides of the vertical rods (10), and the scraper (17) is arranged on the side of the cross rod (9) and is movably arranged on the inner wall side of the anti-blocking bin (8).

3. The external cyclone separator according to claim 2, characterized in that: Grooves (19) are provided at the upper and lower ends of the center of the rotating ring (13), and the rotating ring (13) is sleeved on the side wall of the outer shell (12) through the groove (19).

4. The external cyclone separator according to claim 2, characterized in that: The rotating ring (13) is provided with two groups, and the toothed disc (14) is provided with an auxiliary rod (18), and the auxiliary rod (18) is connected to the side surface of the rotating ring (13).

5. The external cyclone separator according to claim 2, characterized in that: The scraper (17) is divided into two parts. The scraper (17) is respectively arranged on the upper and lower parts of the housing (12). Both parts of the scraper (17) are connected to the cross bar (9).

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