Drying device for spraying phosphating wastewater sludge treatment

Abstract

The utility model discloses a drying device for spraying phosphating wastewater sludge treatment, which belongs to the technical field of drying devices and comprises a drying box, an upper conveying assembly and a lower conveying assembly are mounted in the drying box, and a feeding port positioned right above one end of the upper conveying assembly is formed in the top of the drying box. The bottom of the drying box is provided with a discharging port located under one end of the lower conveying assembly. A servo motor connected with the upper conveying assembly is fixedly installed on one side of the drying box, a transmission assembly connected with the two conveying assemblies is arranged on the other side of the drying box, two clearing assemblies attached to the bottom faces of the two conveying assemblies correspondingly are fixedly installed in the drying box, and a drying assembly is installed at one end of the drying box. The drying device for sludge treatment solves the problems that when an existing drying device for sludge treatment is used, a large amount of sludge is prone to being attached to drying equipment, so that the conveying and drying efficiency of the sludge is affected, the equipment is inconvenient to clean efficiently, and use by people is not facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of drying devices, in particular to a drying device for treating spray phosphating wastewater sludge. Background Art

[0002] Sludge dryer is suitable for drying sludge produced by industries such as urban sludge and spray phosphating wastewater sludge, making it possible to use sludge in agriculture, as fuel, incinerate it, and even reduce landfill space. Sludge dryer is a special sludge drying equipment specially developed and designed for sludge, a material with high moisture, high viscosity, high water holding capacity and low calorific value.

[0003] When the existing sludge treatment drying device is in use, the sludge is easily attached to the drying equipment in large quantities, thereby affecting the sludge transportation and drying efficiency, etc., and it is not convenient to clean the equipment efficiently, which is not conducive to people's use. Therefore, the technical personnel in this field provide a drying device for spray phosphating wastewater sludge treatment to solve the problems raised in the above background technology. Utility Model Content

[0004] The purpose of the utility model is to provide a drying device for treating spray phosphating wastewater sludge to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a drying device for treating spray phosphating wastewater sludge, comprising a drying box, wherein two sets of upper and lower conveying components are installed inside the drying box, a feed port located just above one end of the upper conveying component is provided at the top of the drying box, and a discharge port located just below one end of the lower conveying component is provided at the bottom of the drying box;

[0006] A servo motor connected to the upper conveying assembly is fixedly installed on one side of the drying box, and a transmission assembly connecting the two conveying assemblies is provided on the other side of the drying box. Two sets of cleaning assemblies respectively fitted with the bottom surfaces of the two conveying assemblies are fixedly installed inside the drying box. A drying assembly is installed at one end of the drying box, and an exhaust gas emission assembly is provided on the top of the drying box.

[0007] Preferably: the two groups of conveying components each include two groups of transmission rollers rotatably installed inside the drying box, the two groups of transmission rollers are connected by a conveyor belt transmission sleeved on their outer surfaces, and the end of a group of transmission rollers of the top conveying component is connected to the output end of the servo motor.

[0008] Preferably, the transmission assembly comprises a driving gear fixedly mounted on the end of one group of transmission rollers of the conveying assembly, and the driving gears connected to the two groups of the conveying assemblies are meshed.

[0009] Preferably, both sides of the conveyor belt are connected with baffles, and the cleaning assembly is installed between two groups of baffles.

[0010] Preferably: the cleaning component includes a fixed plate fixedly installed inside the drying box, and multiple groups of movable rods are installed inside the fixed plate for sliding up and down. The top ends of the multiple groups of movable rods are connected to scraper strips whose top ends abut against the bottom surface of the conveyor belt. The scraper strips are installed between the baffle strips on both sides, and a spring mounted on the outer ring of the movable rod is installed between the scraper strip and the fixed plate.

[0011] Preferably, the bottom ends of the plurality of groups of movable rods are all detachably provided with stoppers.

[0012] Preferably: the drying assembly comprises a heating box fixedly mounted at one end of the drying box, a plurality of groups of neatly arranged connecting grooves are provided on a connecting plate between the heating box and the drying box, and a blower is installed on a side of the heating box away from the drying box.

[0013] Preferably: the exhaust gas emission assembly includes a plurality of groups of air outlet hoods fixedly mounted on the top of a drying box, a filter box with an exhaust port on one side is mounted on the top of the drying box, the filter box and the plurality of groups of air outlet hoods are connected by an exhaust pipe, and a primary filter, a secondary filter and a tertiary filter are respectively mounted inside the filter box.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. In the utility model, scraping bars are provided at the bottom of the two groups of conveying components to remove the sludge attached to the surface of the conveyor belt, which is beneficial to improving the drying efficiency of the conveyed sludge and is also convenient for subsequent staff to clean the drying device. The vibration of the conveyor belt can drive the scraping bar to shake up and down, and the scraping bar drives the movable rod to slide up and down and the spring to retract. The elastic force of the spring can facilitate the top of the scraping bar to be in close contact with the surface of the conveyor belt, thereby improving the actual scraping effect of the scraping bar on the sludge. A block is further provided to conveniently limit the range of motion of the scraping bar.

[0016] 2. In the utility model, the waste gas generated by the drying box after drying the sludge can flow to the filter box through the air outlet hood and the exhaust pipe. By setting the first-level filter, the second-level filter and the third-level filter, the waste gas generated by the drying can be fully filtered, which can effectively prevent harmful gases from overflowing from the inside of the drying device, which is beneficial to avoid the drying device from polluting the environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a side view of the overall structure of the utility model;

[0019] Figure 3 It is a cross-sectional view of the overall structure of the utility model;

[0020] Figure 4 It is a cross-sectional view of the filter box structure of the utility model;

[0021] Figure 5 For this utility model Figure 3 A is an enlarged view of the middle image.

[0022] In the figure: 1. drying box; 2. feed port; 3. discharge port; 4. servo motor; 5. transmission roller; 6. conveyor belt; 7. driving gear; 8. baffle; 9. fixing plate; 10. movable rod; 11. scraper bar; 12. spring; 13. block; 14. heating box; 15. connecting groove; 16. blower; 17. air outlet hood; 18. filter box; 19. exhaust pipe; 20. primary filter; 21. secondary filter; 22. tertiary filter. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to 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 the embodiments. Based on the embodiments in 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.

[0024] See also Figure 1 to Figure 5 In an embodiment of the utility model, a drying device for treating spray phosphating wastewater sludge comprises a drying box 1, wherein two groups of upper and lower conveying components are installed inside the drying box 1, a feeding port 2 is provided at the top of the drying box 1, and a discharge port 3 is provided at the bottom of the drying box 1, and a servo motor 4 connected to the upper conveying component is fixedly installed on one side of the drying box 1, and a transmission component connecting the two groups of conveying components is provided on the other side of the drying box 1, two groups of cleaning components respectively fitted with the bottom surfaces of the two groups of conveying components are fixedly installed inside the drying box 1, a drying component is installed at one end of the drying box 1, and an exhaust gas discharge component is provided on the top of the drying box 1.

[0025] When in use, the feed port 2 is connected to the discharge assembly for delivering the spray phosphating wastewater sludge, and the sludge put into the drying box 1 falls to the top of the top conveying assembly, and the drying assembly is used to dry the sludge inside the drying box 1, and the servo motor 4 is started to drive the top conveying assembly to run, and the top conveying assembly drives the bottom conveying assembly to run through the transmission assembly, and the bottom conveying assembly can deliver the dried sludge from the discharge port 3. During the operation of the conveying assembly, the cleaning assembly at the bottom can scrape off the sludge attached to its surface, and the top of the drying box 1 is connected to an exhaust gas emission assembly, which can filter the exhaust gas generated by drying and then discharge it.

[0026] In one embodiment, specifically, the two groups of conveying components each include two groups of transmission rollers 5 rotatably installed inside the drying box 1, and the two groups of transmission rollers 5 are connected by a conveyor belt 6 sleeved on their outer surfaces. The end of a group of transmission rollers 5 of the top conveying component is connected to the output end of the servo motor 4, wherein the transmission component includes a driving gear 7 fixedly installed at the end of one group of transmission rollers 5 of the conveying component, and the driving gears 7 connected by the two groups of conveying components are meshed. The servo motor 4 drives the top transmission roller 5 and the conveyor belt 6 to run, and the driving gear 7 can drive the bottom transmission roller 5 and the conveyor belt 6 to run. Furthermore, both sides of the conveyor belt 6 are connected with baffle bars 8, which can prevent sludge from dripping from both sides of the conveyor belt 6 to the bottom of the drying box 1, and the cleaning component is installed between the two groups of baffle bars 8.

[0027] Specifically, the cleaning component includes a fixed plate 9 fixedly installed inside the drying box 1, and multiple groups of movable rods 10 are installed inside the fixed plate 9 for sliding up and down. The top ends of the multiple groups of movable rods 10 are connected to scraper strips 11 whose top ends abut against the bottom surface of the conveyor belt 6. The scraper strips 11 are installed between the baffle strips 8 on both sides, and a spring 12 is installed between the scraper strips 11 and the fixed plate 9. The scraper strips 11 can remove the sludge attached to the surface of the conveyor belt 6. The vibration of the conveyor belt 6 can drive the scraper strips 11 to shake up and down. The scraper strips 11 drive the movable rods 10 to slide up and down inside the fixed plate 9, and the scraper strips 11 simultaneously drive the springs 12 to retract and retract. The elastic force of the springs 12 can be used to easily bring the top ends of the scraper strips 11 into close contact with the surface of the conveyor belt 6. Furthermore, the bottom ends of the multiple groups of movable rods 10 can be detachably installed with blocks 13, which can conveniently limit the range of movement of the scraper strips 11.

[0028] In one embodiment, specifically, the drying component includes a heating box 14 fixedly installed at one end of the drying box 1, a plurality of neatly arranged connecting grooves 15 are provided on the connecting plate between the heating box 14 and the drying box 1, a blower 16 is installed on the side of the heating box 14 away from the drying box 1, and starting the blower 16 can send the hot air processed by the heating box 14 into the interior of the drying box 1, so as to dry the sludge inside the drying box 1.

[0029] In one embodiment, specifically, the exhaust gas emission assembly includes a plurality of groups of air outlet hoods 17 fixedly mounted on the top of the drying box 1, a filter box 18 with an exhaust port on one side is mounted on the top of the drying box 1, the filter box 18 and the plurality of groups of air outlet hoods 17 are connected through an exhaust pipe 19, and a primary filter screen 20, a secondary filter screen 21 and a tertiary filter screen 22 are respectively mounted inside the filter box 18.

[0030] The waste gas generated after the drying box 1 dries the sludge can flow to the filter box 18 through the air outlet hood 17 and the exhaust pipe 19. The waste gas is filtered by the primary filter 20, the secondary filter 21 and the tertiary filter 22 and then discharged into the air. The primary filter 20, the secondary filter 21 and the tertiary filter 22 can be made of glass fiber filter material, polyester fiber filter material and activated carbon filter material, respectively, which can conveniently provide sufficient filtration for the waste gas.

[0031] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A drying device for treating spray phosphating wastewater sludge, comprising a drying box (1), characterized in that: The drying box (1) is internally provided with two sets of upper and lower conveying assemblies, the top of the drying box (1) is provided with a feed port (2) located just above one end of the upper conveying assembly, and the bottom of the drying box (1) is provided with a discharge port (3) located just below one end of the lower conveying assembly; A servo motor (4) connected to an upper conveying assembly is fixedly mounted on one side of the drying box (1); a transmission assembly connected to two conveying assemblies is provided on the other side of the drying box (1); two cleaning assemblies respectively fitted to the bottom surfaces of the two conveying assemblies are fixedly mounted inside the drying box (1); a drying assembly is mounted on one end of the drying box (1); and an exhaust gas discharge assembly is provided on the top of the drying box (1).

2. A drying device for treating spray phosphating wastewater sludge according to claim 1, characterized in that: The two groups of conveying components each include two groups of transmission rollers (5) rotatably mounted inside the drying box (1), the two groups of transmission rollers (5) are connected to each other through a conveyor belt (6) sleeved on their outer surfaces, and the end of one group of transmission rollers (5) of the top conveying component is connected to the output end of the servo motor (4).

3. A drying device for treating spray phosphating wastewater sludge according to claim 2, characterized in that: The transmission assembly comprises a driving gear (7) fixedly mounted on the end of one set of driving rollers (5) of the conveying assembly, and the driving gears (7) connected to the two sets of the conveying assemblies are meshed.

4. A drying device for treating spray phosphating wastewater sludge according to claim 2, characterized in that: Both sides of the conveyor belt (6) are connected with blocking bars (8), and the cleaning component is installed between two groups of blocking bars (8).

5. A drying device for treating spray phosphating wastewater sludge according to claim 4, characterized in that: The cleaning component comprises a fixed plate (9) fixedly mounted inside the drying box (1), a plurality of groups of movable rods (10) being mounted inside the fixed plate (9) so as to slide up and down, the top ends of the plurality of groups of movable rods (10) being connected to scraper strips (11) whose top ends are in contact with the bottom surface of the conveyor belt (6), the scraper strips (11) being mounted between the blocking strips (8) on both sides, and a spring (12) being mounted on the outer ring of the movable rod (10) being mounted between the scraper strips (11) and the fixed plate (9).

6. A drying device for treating spray phosphating wastewater sludge according to claim 5, characterized in that: The bottom ends of the multiple groups of movable rods (10) are all detachably provided with stoppers (13).

7. A drying device for treating spray phosphating wastewater sludge according to claim 1, characterized in that: The drying assembly comprises a heating box (14) fixedly mounted at one end of a drying box (1); a plurality of groups of neatly arranged connecting grooves (15) are provided on a connecting plate between the heating box (14) and the drying box (1); and a blower (16) is installed on a side of the heating box (14) away from the drying box (1).

8. A drying device for treating spray phosphating wastewater sludge according to claim 1, characterized in that: The exhaust gas emission assembly comprises a plurality of groups of air outlet hoods (17) fixedly mounted on the top of a drying box (1); a filter box (18) having an exhaust port on one side is mounted on the top of the drying box (1); the filter box (18) and the plurality of groups of air outlet hoods (17) are connected via an exhaust pipe (19); a primary filter screen (20), a secondary filter screen (21) and a tertiary filter screen (22) are respectively mounted inside the filter box (18).

Images