Anti-crystallization type combined-soda belt filter

Abstract

The utility model discloses an anti-crystallization combined-soda belt filter, and relates to the technical field of combined-soda preparation. The utility model discloses an anti-crystallization combined-soda belt filter which comprises a rack, a conveying filter belt arranged on the rack, a driving assembly used for driving the conveying filter belt to move and a vacuum box arranged below the conveying filter belt and extending in the moving direction of the conveying filter belt, and a plurality of first spraying parts are arranged in the vacuum box in the length direction of the vacuum box. The first spraying part comprises a first nozzle and a second nozzle, and the first nozzle and the second nozzle are arranged on the two sides of the vacuum box in the width direction respectively. According to the combined-soda belt filter, the first nozzles and the second nozzles on the combined-soda belt filter can be matched with each other and spray the inner wall of the vacuum box, so that crystals are eliminated as far as possible, the phenomenon that a large amount of crystals are accumulated in the vacuum box to affect normal operation of the combined-soda belt filter is prevented, the downtime can be shortened, and productivity improvement is promoted; and the service life of the combined-soda belt filter can be prolonged.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of combined caustic soda preparation, in particular to a combined caustic soda filter belt machine with anti-crystallization function. BACKGROUND

[0002] The combined caustic soda filter belt machine is a kind of vacuum filter belt machine for combined caustic soda process, which can dry the caustic soda by sucking the moisture in the caustic soda through the vacuum box under the conveying filter belt during conveying. However, since the separated liquid has high alkalinity, a large amount of crystallization will be generated in the vacuum box, which will seriously affect the normal operation of the combined caustic soda filter belt machine and shorten the service life of the combined caustic soda filter belt machine. CONTENT OF THE UTILITY MODEL

[0003] In order to overcome the shortcomings of the prior art, the present application provides a combined caustic soda filter belt machine with anti-crystallization function.

[0004] The combined caustic soda filter belt machine with anti-crystallization function provided by the present application adopts the following technical solution:

[0005] The combined caustic soda filter belt machine with anti-crystallization function comprises a rack, a conveying filter belt arranged on the rack, a driving assembly for driving the conveying filter belt to move, and a vacuum box arranged below the conveying filter belt and extending along the movement direction of the conveying filter belt. A plurality of first spray parts are arranged along the length direction of the vacuum box in the vacuum box. The first spray part comprises a first nozzle and a second nozzle. The first nozzle and the second nozzle are arranged on the two sides of the width direction of the vacuum box, respectively.

[0006] By adopting the above technical solution, the first nozzle and the second nozzle can cooperate with each other and spray the inner wall of the vacuum box to eliminate the crystallization as much as possible, prevent the crystallization from accumulating in the vacuum box and affecting the normal operation of the combined caustic soda filter belt machine, reduce the downtime, promote the production capacity, and prolong the service life of the combined caustic soda filter belt machine.

[0007] In a specific implementation, the plurality of first nozzles and the plurality of second nozzles constituting the first spray part are arranged in a staggered manner along the length direction of the vacuum box.

[0008] By adopting the above technical solution, the first nozzle and the second nozzle can spray the inner walls of the opposite two sides of the vacuum box, respectively, effectively improving the spraying range of the first nozzle and the second nozzle in the vacuum box and improving the crystallization removal effect.

[0009] In a specific implementation, the two sides of the upper part of the vacuum box are respectively provided with mounting surfaces, and the first nozzle and the second nozzle are arranged on the two mounting surfaces, respectively. The mounting surfaces are arranged to be inclined downward along the horizontal direction.

[0010] By adopting the technical scheme, the first nozzle and the second nozzle can respectively spray the inner wall of the vacuum box along the downwardly inclined direction, the spraying range of the first nozzle and the second nozzle in the vacuum box is further improved, and the crystal removal effect is improved.

[0011] In a specific implementation, the two mounting surfaces are symmetrically arranged about the center line of the vacuum box.

[0012] By adopting the technical scheme, the spraying range of the first nozzle and the second nozzle in the vacuum box is further improved, and the crystal removal effect is improved.

[0013] In a specific implementation, the vacuum box is provided with a guide rail, the conveying filter belt is in sliding connection with the guide rail, the guide rail extends along the movement direction of the conveying filter belt, and a plurality of second spraying portions are arranged in the guide rail along the length direction of the guide rail.

[0014] By adopting the technical scheme, the second spraying portion can spray the guide rail to eliminate the crystal in the guide rail, so that the crystal is prevented from being accumulated in the guide rail to affect the normal operation of the combined alkali belt filter.

[0015] In a specific implementation, the guide rail comprises a first rail body and a second rail body which are parallel to each other, and the plurality of second spraying portions are arranged between the first rail body and the second rail body.

[0016] In a specific implementation, the second spraying portion comprises a third nozzle arranged on the first rail body and a fourth nozzle arranged on the second rail body, and the plurality of third nozzles and the plurality of fourth nozzles constituting the plurality of second spraying portions are arranged in a staggered manner along the length direction of the guide rail.

[0017] By adopting the technical scheme, the spraying range of the third nozzle and the fourth nozzle on the first rail body and the second rail body is effectively improved, and the crystal removal effect is improved.

[0018] In a specific implementation, the third nozzle has a first projection on the second rail body, the fourth nozzle has a second projection on the first rail body, the first projection is located between two adjacent fourth nozzles, and the second projection is located between two adjacent third nozzles.

[0019] By adopting the technical scheme, the spraying range of the third nozzle and the fourth nozzle on the first rail body and the second rail body is further improved, and the crystal removal effect is improved.

[0020] In a specific implementation, two adjacent fourth nozzles are symmetrically arranged about the first projection, and two adjacent third nozzles are symmetrically arranged about the second projection.

[0021] By adopting the technical scheme, the spraying range of the third nozzle and the fourth nozzle on the first rail body and the second rail body is further improved, and the crystallization removal effect is improved.

[0022] To sum up, the present application has at least one of the following beneficial technical effects:

[0023] The first nozzle and the second nozzle can cooperate with each other and spray the inner wall of the vacuum box to eliminate crystallization as much as possible, prevent crystallization from accumulating in the vacuum box in a large amount to affect the normal operation of the combined caustic soda belt filter, not only can reduce downtime and promote production capacity, but also can prolong the service life of the combined caustic soda belt filter. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 is a front view of the combined caustic soda belt filter of the embodiment of the present application.

[0025] Figure 2 is Figure 1 A-A cross-sectional view in

[0026] Figure 3 is Figure 1 B-B cross-sectional view in

[0027] Figure 4 is Figure 1 C-C cross-sectional view in

[0028] BRIEF DESCRIPTION OF DRAWINGS

[0029] 1, frame; 2, conveying filter belt; 3, drive assembly; 4, vacuum box; 41, mounting surface; 5, first spraying part; 51, first nozzle; 52, second nozzle; 6, guide rail; 61, first rail body; 62, second rail body; 7, second spraying part; 71, third nozzle; 72, fourth nozzle; 8, pipeline. DETAILED DESCRIPTION

[0030] The present application will be further described in detail below with reference to the accompanying drawings.

[0031] Referring to Figures 1-4 , a combined caustic soda belt filter is shown, which comprises a frame 1, a conveying filter belt 2 arranged on the frame 1, a drive assembly 3 for driving the conveying filter belt 2 to move, and a vacuum box 4 arranged below the conveying filter belt 2 and extending along the movement direction of the conveying filter belt 2, wherein the conveying filter belt 2 is used for conveying alkali and has filter holes in communication with the vacuum box 4, the drive assembly 3 is a driving wheel and a driven wheel respectively drivingly connected to the two ends of the conveying filter belt 2, and a motor for driving the driving wheel to rotate, and the vacuum box 4 is connected to a vacuum device through a pipeline 8 to dry the alkali on the conveying filter belt 2.

[0032] In combination Figures 2-3 As shown in the drawings, a plurality of first spraying portions 5 are arranged along the length direction of the vacuum box 4, and the first spraying portions 5 include first nozzles 51 and second nozzles 52 arranged on both sides of the width direction of the vacuum box 4 respectively. The first nozzles 51 and the second nozzles 52 can cooperate with each other and spray the inner wall of the vacuum box 4 to eliminate the crystals as much as possible, prevent the crystals from accumulating in the vacuum box 4 to affect the normal operation of the combined brine belt filter, not only can reduce the downtime, promote the capacity, but also can prolong the service life of the combined brine belt filter.

[0033] In this embodiment, in combination Figure 3 As shown in the drawings, the plurality of first nozzles 51 and the plurality of second nozzles 52 constituting the first spraying portions 5 are arranged in a staggered manner two by two along the length direction of the vacuum box 4. The first nozzles 51 and the second nozzles 52 can respectively spray the inner walls of the opposite sides of the vacuum box 4, effectively improve the spraying range of the first nozzles 51 and the second nozzles 52 in the vacuum box 4, and improve the crystal removal effect.

[0034] In this embodiment, in combination Figure 2 As shown in the drawings, the two sides of the upper part of the vacuum box 4 respectively have a mounting surface 41, and the two mounting surfaces 41 are symmetrically arranged about the center line of the vacuum box 4. The first nozzles 51 and the second nozzles 52 are respectively arranged on the two mounting surfaces 41, and the mounting surface 41 is arranged inclined downward along the horizontal direction. In this way, the first nozzles 51 and the second nozzles 52 can respectively spray the inner wall of the vacuum box 4 along the downward inclined direction, further improve the spraying range of the first nozzles 51 and the second nozzles 52 in the vacuum box 4, and improve the crystal removal effect.

[0035] In this embodiment, in combination Figures 1-2 and Figure 4 As shown in the drawings, the vacuum box 4 is provided with a guide rail 6, and the conveying filter belt 2 is slidably connected with the guide rail 6. The guide rail 6 extends along the movement direction of the conveying filter belt 2, and a plurality of second spraying portions 7 are arranged along the length direction of the guide rail 6. The guide rail 6 includes a first rail body 61 and a second rail body 62 which are parallel to each other, and the plurality of second spraying portions 7 are arranged between the first rail body 61 and the second rail body 62. The second spraying portions 7 can spray the first rail body 61 and the second rail body 62 to eliminate the crystals in the guide rail 6, and avoid the crystals from accumulating in the guide rail 6 to affect the normal operation of the combined brine belt filter.

[0036] In this embodiment, in combination Figure 2 and Figure 4As shown, the second spraying part 7 includes third nozzles 71 arranged on the first rail body 61 and fourth nozzles 72 arranged on the second rail body 62. The third nozzles 71 and the fourth nozzles 72 of the second spraying part 7 are arranged in pairs in a staggered manner along the length direction of the guide rail 6.

[0037] The third nozzles 71 have first projections on the second rail body 62, and the fourth nozzles 72 have second projections on the first rail body 61. The first projections are located between two adjacent fourth nozzles 72, and the second projections are located between two adjacent third nozzles 71. The two adjacent fourth nozzles 72 are symmetrically arranged about the first projection, and the two adjacent third nozzles 71 are symmetrically arranged about the second projection. In this way, the spraying range of the third nozzles 71 and the fourth nozzles 72 on the first rail body 61 and the second rail body 62 can be effectively improved, and the crystal removal effect can be improved.

[0038] The above are preferred embodiments of the present application, and are not intended to limit the protection scope of the present application. Therefore, any equivalent changes made on the basis of the structure, shape, and principle of the present application should be covered within the protection scope of the present application.

Claims

1. An anti-crystallization type alkali belt filter, comprising a frame (1), a conveyor filter belt (2) arranged on the frame (1), a drive assembly (3) for driving the conveyor filter belt (2) to move, and a vacuum box (4) arranged below the conveyor filter belt (2) and extending along the movement direction of the conveyor filter belt (2), characterized in that: A plurality of first spraying sections (5) are provided in the vacuum box (4) along its length direction. The first spraying sections (5) include a first nozzle (51) and a second nozzle (52). The first nozzle (51) and the second nozzle (52) are respectively provided on both sides of the vacuum box (4) in the width direction.

2. The anti-crystallization type alkali belt filter according to claim 1, characterized in that: The plurality of first nozzles (51) and the plurality of second nozzles (52) constituting the first spraying portion (5) are staggered in pairs along the length direction of the vacuum box (4).

3. The anti-crystallization type alkali belt filter according to claim 1, characterized in that: Both sides of the upper portion of the vacuum box (4) are provided with mounting surfaces (41), respectively; the first nozzle (51) and the second nozzle (52) are respectively arranged on the two mounting surfaces (41), and each mounting surface (41) is arranged to be tilted downward along the horizontal direction.

4. The anti-crystallization type alkali belt filter according to claim 3, characterized in that: The two mounting surfaces (41) are symmetrically arranged about the center line of the vacuum box (4).

5. An anti-crystallization type alkali belt filter according to any one of claims 1 to 4, characterized in that: A guide rail (6) is provided on the vacuum box (4), the conveyor filter belt (2) is slidably connected to the guide rail (6), the guide rail (6) extends along the movement direction of the conveyor filter belt (2), and a plurality of second spraying parts (7) are provided in the guide rail (6) along its length direction.

6. The anti-crystallization type alkali belt filter according to claim 5, characterized in that: The guide rail (6) comprises a first rail body (61) and a second rail body (62) which are parallel to each other, and the plurality of second spraying parts (7) are arranged between the first rail body (61) and the second rail body (62).

7. The anti-crystallization type alkali belt filter according to claim 6, characterized in that: The second spraying portion (7) comprises a third nozzle (71) provided on the first rail body (61) and a fourth nozzle (72) provided on the second rail body (62). The plurality of third nozzles (71) and the plurality of fourth nozzles (72) constituting the plurality of second spraying portions (7) are staggered in pairs along the length direction of the guide rail (6).

8. The anti-crystallization type alkali belt filter according to claim 7, characterized in that: The third nozzle (71) has a first projection on the second rail body (62), and the fourth nozzle (72) has a second projection on the first rail body (61), the first projection is located between two adjacent fourth nozzles (72), and the second projection is located between two adjacent third nozzles (71).

9. The anti-crystallization type alkali belt filter according to claim 8, characterized in that: The two adjacent fourth nozzles (72) are symmetrically arranged with respect to the first projection, and the two adjacent third nozzles (71) are symmetrically arranged with respect to the second projection.

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