Industrial sludge treatment device

Abstract

The utility model discloses an industrial sludge treatment device which comprises a crushing box, a crushing roller group arranged in the crushing box, a bactericide feeding structure arranged at the top end of the crushing box, a sludge feeding structure arranged at the top end of one side of the crushing box, a grinding box arranged at the bottom end of the crushing box, and a mounting seat arranged in the grinding box, a double-shaft motor is mounted on the mounting base, the top end of the double-shaft motor is in transmission connection with a grinding roller, a grinding base matched with the grinding roller is arranged on the inner wall of the grinding box, a screening and mixing box is arranged at the bottom end of the grinding box, a filter screen cover is mounted in the screening and mixing box, and the bottom end of the double-shaft motor extends to the position below the filter screen cover and is provided with a rotating shaft; a scraping plate matched with the filter screen cover is arranged on the rotating shaft; a mixing impeller is arranged at the lower end of the rotating shaft. According to the utility model, the industrial sludge can be crushed, and the sludge and a sterilizing agent can be uniformly mixed, so that the treatment effect of the industrial sludge is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of industrial sludge treatment, and more specifically, to an industrial sludge treatment device. Background Art

[0002] Industrial sludge contains a variety of organic matter and nutrients, such as nitrogen, phosphorus, potassium, etc. These components have a certain promoting effect on plant growth. However, industrial sludge may also contain harmful substances such as pathogenic microorganisms, so it needs to be sterilized before being used as fertilizer;

[0003] The existing industrial sludge will form lumps after dehydration, which is not convenient for mixing the bactericidal agent with the sludge during the sterilization treatment, thus affecting the sterilization effect of the sludge; some industrial sludge treatment devices will crush the lumpy sludge through crushing equipment, and then carry out the corresponding sterilization treatment, but the sludge and the bactericidal agent cannot be mixed during the crushing process, thus affecting the sterilization effect and efficiency of the industrial sludge; and the crushing effect of the industrial sludge is poor if it is simply crushed by a crushing roller, and the sludge can only be changed from large lumps to small lumps, which will also affect the mixing adequacy and uniformity between the sludge and the bactericidal powder. Utility Model Content

[0004] In view of the problems existing in the prior art, the utility model provides an industrial sludge treatment device to solve the technical problems mentioned in the background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] An industrial sludge treatment device comprises a crushing box, wherein a crushing roller group is arranged in the crushing box, a bactericide feeding structure is arranged at the top of the crushing box, a sludge feeding structure is arranged at the top of one side of the crushing box, a grinding box is arranged at the bottom end of the crushing box, a mounting seat is arranged in the grinding box, a double-shaft motor is installed on the mounting seat, the top end of the double-shaft motor is connected to the grinding roller in a transmission manner, a grinding seat is arranged on the inner wall of the grinding box to cooperate with the grinding roller, a screening and mixing box is arranged at the bottom end of the grinding box, a filter screen cover is installed in the screening and mixing box, a rotating shaft is arranged at the bottom end of the double-shaft motor extending to the bottom of the filter screen cover, a scraper is arranged on the rotating shaft to cooperate with the filter screen cover, and a mixing impeller is arranged at the lower end of the rotating shaft.

[0007] The utility model is further configured such that a discharge port is provided at the bottom end of the screening and mixing box, a slag discharge port is provided on the side wall of the screening and mixing box in coordination with the filter screen cover, and valves are provided on the discharge port and the slag discharge port to realize the discharge of impurities and sludge.

[0008] The utility model is further configured that the bactericide feeding structure includes a storage box arranged at the top of the crushing box, the bottom end of the storage box is connected to the crushing box and is provided with a feeding pipe, and the feeding pipe is provided with a feeding control structure to realize the storage and feeding of the bactericide.

[0009] The utility model is further configured such that the feed control structure includes a feed shaft rotatably installed in the feed pipe through a bearing, and a feed control motor is provided for transmission connection with the feed shaft, and feed control blades are provided on the feed shaft to realize feed control at the feed pipe and improve the feed uniformity of the sterilizing agent in the crushing box.

[0010] The utility model is further configured that the crushing roller group includes a crushing roller shaft rotatably installed in the crushing box through a bearing, and a crushing motor is provided in transmission connection with the crushing roller shaft to realize the crushing of sludge.

[0011] The utility model is further configured that the sludge feeding structure includes a feeding port opened on the crushing box, and a feeding conveyor belt is arranged on one side of the feeding port to realize the feeding of sludge in the crushing box.

[0012] The utility model is further configured that a guide plate is provided in the crushing box in conjunction with the crushing roller shaft to improve the guiding performance of the sludge when it enters the crushing box.

[0013] The utility model is further configured that the rotating shaft and the filter screen cover are rotatably connected via a bearing, thereby improving the rotation smoothness of the rotating shaft.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] 1. The utility model includes a crushing box, a crushing roller group is arranged in the crushing box, a bactericide feeding structure is arranged at the top of the crushing box, and a sludge feeding structure is arranged at the top of one side of the crushing box, wherein the sludge feeding structure includes a feeding port opened on the crushing box, a feeding conveyor belt is arranged on one side of the feeding port, the bactericide feeding structure includes a storage box arranged at the top of the crushing box, a feeding pipe is arranged at the bottom of the storage box connected to the crushing box, a feeding control structure is arranged at the feeding pipe, and the feeding control structure includes a feeding shaft rotatably installed in the feeding pipe through a bearing, and a feeding shaft is arranged to be transmission-connected to the feeding shaft. A feed control motor is provided, and a feed control blade is arranged on the feed shaft. The dehydrated sludge blocks can be conveyed from the feed port into the crushing box through the feed conveyor belt, and land on the crushing roller group to realize the crushing of the sludge. The feed control motor is started synchronously, and the feed control motor can control the feed shaft to drive the feed control blade to rotate, so that the bactericidal powder stored in the storage box can enter the crushing box evenly, and land on the sludge blocks entering the crushing box, and be crushed together with the sludge blocks through the crushing roller group, so that the bactericide and the sludge are initially mixed while the sludge is crushed.

[0016] 2. In the utility model, the crushing roller group includes a crushing roller shaft rotatably installed in the crushing box through a bearing, and a crushing motor is provided in the crushing roller shaft for transmission connection. When the crushing motor is started, the rotation of the crushing roller shaft can be controlled by the crushing motor, thereby achieving crushing of the sludge passing through the crushing roller shaft and achieving preliminary mixing of the crushed sludge and the sterilizing powder.

[0017] 3. The utility model provides a grinding box at the bottom end of the crushing box, a mounting seat is provided in the grinding box, a dual-axis motor is installed on the mounting seat, the top end of the dual-axis motor is transmission-connected with a grinding roller, a grinding seat is provided on the inner wall of the grinding box to cooperate with the grinding roller, the rotation of the grinding roller can be controlled by the dual-axis motor, and the mixture of the crushed sludge and the bactericide can be further ground through the cooperation between the grinding roller and the grinding seat, thereby improving the sludge crushing effect and further achieving the mixing effect between the sludge and the bactericidal powder.

[0018] 4. The utility model is provided with a screening and mixing box at the bottom end of the grinding box, and a filter screen is installed in the screening and mixing box. The bottom end of the dual-axis motor extends to the bottom of the filter screen and is provided with a rotating shaft. A scraper is provided on the rotating shaft to cooperate with the filter screen, and a mixing impeller is provided at the lower end of the rotating shaft. When the dual-axis motor rotates, the rotating shaft is driven to rotate, and the rotation of the scraper and the mixing impeller can be driven by the rotating shaft. The sludge powder after grinding will fall on the filter screen, and the sludge will be filtered and screened by the filter screen, so that the sludge after crushing and grinding can be screened and the lumps therein can be removed. The sludge powder that meets the conditions can fall downward through the filter screen, and the sludge powder can be further broken up by the mixing blades, thereby improving the mixing effect between the crushed sludge and the bactericidal powder. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 The overall structure of an industrial sludge treatment device in the utility model is shown in FIG. Figure 1 ;

[0020] Figure 2 The overall structure of an industrial sludge treatment device in the utility model is shown in FIG. Figure 2 ;

[0021] Figure 3 It is a schematic cross-sectional view of the overall structure of the utility model;

[0022] Figure 4 It is a schematic cross-sectional view of the internal structure of the crushing box in the utility model;

[0023] Figure 5 It is a schematic cross-sectional view of the internal structure of the feed pipe in the utility model.

[0024] In the figure: 1. crushing box; 2. crushing roller group; 3. grinding box; 4. mounting seat; 5. double-shaft motor; 6. grinding roller; 7. grinding seat; 8. screening and mixing box; 9. filter screen; 10. rotating shaft; 11. scraper; 12. mixing impeller; 13. discharge port; 14. slag discharge port; 15. valve; 16. storage box; 17. feed pipe; 18. feed shaft; 19. feed control motor; 20. feed control blade; 21. crushing roller shaft; 22. crushing motor; 23. feed port; 24. feed conveyor belt; 25. guide plate. DETAILED DESCRIPTION

[0025] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0026] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meanings as commonly understood by ordinary technicians in the technical field to which this application belongs.

[0027] In the present invention, unless otherwise specified, directions such as "up" and "down" are usually used in reference to the directions shown in the drawings, or in reference to the vertical, perpendicular or gravity direction; similarly, for ease of understanding and description, "left" and "right" are usually used in reference to the left and right shown in the drawings; "inside" and "outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned directions are not used to limit the present invention.

[0028] See also Figure 1-5 , an industrial sludge treatment device, comprising a crushing box 1, a crushing roller group 2 is arranged in the crushing box 1, a bactericide feeding structure is arranged at the top of the crushing box 1, and a sludge feeding structure is arranged at the top of one side of the crushing box 1, wherein the sludge feeding structure comprises a feeding port 23 opened on the crushing box 1, a feeding conveyor belt 24 is arranged on one side of the feeding port 23, the bactericide feeding structure comprises a storage box 16 arranged at the top of the crushing box 1, a feeding pipe 17 is arranged at the bottom end of the storage box 16 connected to the crushing box 1, a feeding control structure is arranged at the feeding pipe 17, the feeding control structure comprises a feeding shaft 18 rotatably installed in the feeding pipe 17 through a bearing, and a feeding control motor 19 is arranged in transmission connection with the feeding shaft 18, and a feeding control blade 20 is arranged on the feeding shaft 18;

[0029] The dehydrated sludge blocks are fed into the crushing box 1 from the feed port 23 through the feed conveyor belt 24, and land on the crushing roller group 2 to achieve sludge crushing. Synchronously, the feed control motor 19 is started, and the feed control motor 19 can control the feed shaft 18 to drive the feed control blade 20 to rotate, so that the bactericidal powder stored in the storage box 16 evenly enters the crushing box 1, and lands on the sludge blocks entering the crushing box 1, and is crushed together with the sludge blocks through the crushing roller group 2. In this way, while achieving sludge crushing, the bactericide and the sludge can be preliminarily mixed;

[0030] Here, the crushing roller set 2 includes a crushing roller shaft 21 rotatably mounted in the crushing box 1 through a bearing, and a crushing motor 22 is provided in transmission connection with the crushing roller shaft 21. The crushing motor 22 is started, and the rotation of the crushing roller shaft 21 can be controlled by the crushing motor 22, so as to realize the crushing of the sludge passing through the crushing roller shaft 21, and at the same time realize the preliminary mixing between the crushed sludge and the sterilizing powder;

[0031] The utility model is provided with a grinding box 3 at the bottom end of the crushing box 1, a mounting seat 4 is provided in the grinding box 3, a double-shaft motor 5 is installed on the mounting seat 4, a grinding roller 6 is connected to the top end of the double-shaft motor 5, and a grinding seat 7 is provided on the inner wall of the grinding box 3 to cooperate with the grinding roller 6. In this way, the grinding roller 6 can be controlled to rotate by the double-shaft motor 5, and the mixture of the crushed sludge and the bactericide can be further ground through the cooperation between the grinding roller 6 and the grinding seat 7. In this process, the sludge crushing effect can be improved while further achieving the mixing effect between the sludge and the bactericidal powder;

[0032] The utility model is provided with a screening and mixing box 8 at the bottom end of the grinding box 3, a filter screen cover 9 is installed in the screening and mixing box 8, the bottom end of the double-shaft motor 5 extends to the bottom of the filter screen cover 9 and a rotating shaft 10 is provided, a scraper 11 is provided on the rotating shaft 10 to match the filter screen cover 9, and a mixing impeller 12 is provided at the lower end of the rotating shaft 10;

[0033] When the dual-axis motor 5 rotates, the rotating shaft 10 can be driven to rotate, and the rotating shaft 10 can drive the scraper 11 and the mixing impeller 12 to rotate. In this process, the sludge powder after grinding will fall on the filter screen 9, and the sludge will be filtered and screened by the filter screen 9, so that the sludge after crushing and grinding can be screened and the lumps therein can be removed. The sludge powder that meets the conditions can fall downward through the filter screen 9 and pass through the mixing blades. The sludge powder can be further broken up by the mixing blades, thereby improving the mixing effect between the crushed sludge and the bactericidal powder therein.

[0034] See also Figure 1-Figure 5As an implementation of the screening and mixing box 8: a discharge port 13 is provided at the bottom end of the screening and mixing box 8, a slag discharge port 14 is provided on the side wall of the screening and mixing box 8 in cooperation with the filter screen cover 9, and valves 15 are provided on the discharge port 13 and the slag discharge port 14;

[0035] Specifically, the impurities intercepted on the filter screen cover 9 can be discharged outwards through the discharge port 13, and the evenly mixed powdery sludge is discharged outwards through the discharge port 13 at the bottom to achieve discharge.

[0036] See also Figure 1-Figure 5 As an implementation of the crushing box 1 , a guide plate 25 is provided in the crushing box 1 in cooperation with the crushing roller 21 .

[0037] Specifically, the guide plate 25 can be provided to better guide the sludge entering the crushing box 1 to between the two groups of crushing rollers 21, thereby improving the crushing effect of the sludge.

[0038] See also Figure 1-Figure 5 As an implementation of the rotating shaft 10: the rotating shaft 10 and the filter screen cover 9 are rotatably connected via a bearing.

[0039] Specifically, the rotation smoothness of the rotating shaft 10 is improved.

[0040] In summary, when the device is in use:

[0041] The dehydrated sludge blocks are fed into the crushing box 1 from the feed port 23 through the feed conveyor belt 24, and land on the crushing roller group 2 to achieve sludge crushing. Synchronously, the feed control motor 19 is started, and the feed control motor 19 can control the feed shaft 18 to drive the feed control blade 20 to rotate, so that the bactericidal powder stored in the storage box 16 evenly enters the crushing box 1, and lands on the sludge blocks entering the crushing box 1, and is crushed together with the sludge blocks through the crushing roller group 2. In this way, while achieving sludge crushing, the bactericide and the sludge can be preliminarily mixed;

[0042] The pulverizing motor 22 is started, and the rotation of the pulverizing roller 21 can be controlled by the pulverizing motor 22, so that the sludge passing through the pulverizing roller 21 is pulverized, and at the same time, the pulverized sludge and the sterilizing powder are preliminarily mixed;

[0043] The crushed sludge will fall into the grinding box 3, and the grinding roller 6 is controlled to rotate by the dual-axis motor 5. The grinding roller 6 and the grinding seat 7 can be used to further grind the mixture of the crushed sludge and the bactericide. In this process, the crushing effect of the sludge can be improved, and the mixing effect between the sludge and the bactericidal powder can be further achieved.

[0044] The powdered sludge after grinding will fall into the screening and mixing box 8 and land on the filter screen cover 9. When the dual-shaft motor 5 rotates, the rotating shaft 10 can be driven to rotate, and the rotating shaft 10 can drive the scraper 11 and the mixing impeller 12 to rotate;

[0045] In this process, the sludge powder after grinding will fall on the filter screen 9, and the sludge will be filtered and screened by the filter screen 9, so that the sludge after crushing and grinding can be screened and the lumps therein can be removed. The sludge powder that meets the conditions can fall downward through the filter screen 9 and pass through the mixing blades, and the sludge powder can be further broken up by the mixing blades, thereby improving the mixing effect between the crushed sludge and the bactericidal powder therein;

[0046] The impurities intercepted on the filter screen cover 9 can be discharged outwards through the discharge port 13, and the evenly mixed powdery sludge is discharged outwards through the discharge port 13 at the bottom to achieve discharge.

[0047] In all the schemes mentioned above, the connection between two parts can be selected according to the actual situation by welding, bolt and nut matching connection, bolt or screw connection or other well-known connection methods, which will not be described one by one here. In the above, all fixed connections are preferably considered to be welding. Although the embodiments of the utility model have been shown and described, it can be understood by ordinary technicians in this field that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the utility model. The scope of the utility model is defined by the attached claims and their equivalents;

[0048] In all the schemes mentioned above, those involving the operation of electrical components are controlled by the controller unless otherwise clearly described. Since the devices matched with the controller are commonly used devices, their control principles and line connections are all existing well-known and mature technologies, and their electrical connection relationships and specific circuit structures will not be elaborated here.

Claims

1. An industrial sludge treatment device, comprising a crushing box (1), wherein a crushing roller group (2) is arranged in the crushing box (1), wherein: The top of the pulverizing box (1) is provided with a bactericide feeding structure, the top of one side of the pulverizing box (1) is provided with a sludge feeding structure, the bottom of the pulverizing box (1) is provided with a grinding box (3), a mounting seat (4) is provided inside the grinding box (3), a double-shaft motor (5) is installed on the mounting seat (4), the top of the double-shaft motor (5) is connected to a grinding roller (6) in a transmission manner, a grinding seat (7) is provided on the inner wall of the grinding box (3) in coordination with the grinding roller (6), a screening and mixing box (8) is provided at the bottom of the grinding box (3), a filter screen (9) is installed inside the screening and mixing box (8), a rotating shaft (10) is provided at the bottom end of the double-shaft motor (5) extending to the bottom of the filter screen (9), a scraper (11) is provided on the rotating shaft (10) in coordination with the filter screen (9), and a mixing impeller (12) is provided at the lower end of the rotating shaft (10).

2. An industrial sludge treatment device according to claim 1, characterized in that: The bottom end of the screening and mixing box (8) is provided with a discharge port (13), and the side wall of the screening and mixing box (8) is provided with a slag discharge port (14) in cooperation with the filter screen cover (9), and valves (15) are provided on both the discharge port (13) and the slag discharge port (14).

3. The industrial sludge treatment device according to claim 1 is characterized in that: The bactericide feeding structure comprises a storage box (16) arranged at the top of the crushing box (1), the bottom end of the storage box (16) is connected to the crushing box (1) and is provided with a feeding pipe (17), and the feeding pipe (17) is provided with a feeding control structure.

4. An industrial sludge treatment device according to claim 3, characterized in that: The feed control structure comprises a feed shaft (18) rotatably mounted in a feed pipe (17) via a bearing, and a feed control motor (19) is provided in transmission connection with the feed shaft (18), and a feed control blade (20) is provided on the feed shaft (18).

5. The industrial sludge treatment device according to claim 1 is characterized in that: The crushing roller group (2) comprises a crushing roller shaft (21) rotatably mounted in the crushing box (1) via a bearing, and a crushing motor (22) is provided in transmission connection with the crushing roller shaft (21).

6. An industrial sludge treatment device according to any one of claims 1 to 5, characterized in that: The sludge feeding structure comprises a feeding port (23) opened on the crushing box (1), and a feeding conveyor belt (24) is arranged on one side of the feeding port (23).

7. An industrial sludge treatment device according to claim 5, characterized in that: A guide plate (25) is provided in the crushing box (1) in cooperation with the crushing roller shaft (21).

8. The industrial sludge treatment device according to claim 1 is characterized in that: The rotating shaft (10) and the filter screen cover (9) are rotatably connected via a bearing.

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