Sludge drying system

Abstract

The utility model relates to the technical field of sludge drying, in particular to a sludge drying system, which can stir sludge by arranging the sludge drying system, so that the sludge is in full contact with hot air, and the drying effect of the sludge is improved. Comprising a drying box, a discharge valve, a first motor, a guide plate, a stirring frame and an extrusion device, the left side of the top end of the drying box is communicated with a feeding hopper, four sets of supporting legs are arranged at the bottom end of the drying box, the middle of the bottom end of the drying box is communicated with a discharge pipe, the discharge valve is installed on the discharge pipe, and the extrusion device is installed on the upper portion in the drying box; the material guide plate is obliquely installed on the upper side of the left end in the drying box and corresponds to the output end of the feeding hopper in position, the material guide plate corresponds to the extrusion device in position, the first motor is installed at the bottom end of the extrusion device, the stirring frame is installed at the output end of the first motor, an air blowing device is arranged in the drying box, and the filter screen is installed at the bottom end of the extrusion frame. The water collecting tank is mounted on the inner wall of the drying tank through four groups of second mounting rods.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of sludge drying, particularly to a sludge drying system. BACKGROUND

[0002] Sludge refers to semi-solid or solid material generated during sewage treatment. It is mainly composed of organic matter, inorganic matter, microorganisms and their metabolites. The properties of sludge vary depending on the source and treatment process.

[0003] A sludge drying system is a device used to remove water from sludge to achieve a certain solid content. Sludge drying can significantly reduce the volume of sludge, making it easier to transport, store and process.

[0004] However, poor sludge flow can result in uneven distribution of sludge in the drying equipment, and the sludge in some areas cannot be fully contacted with hot air, resulting in poor drying effect. INVENTION CONTENTS

[0005] To solve the above technical problems, the utility model provides a sludge drying system which can stir the sludge to make it fully contact with hot air, thereby improving the drying effect.

[0006] The utility model relates to a kind of sludge drying system, including drying box, discharge valve, first motor, guide plate, stirring frame and extruding device, drying box top left side is communicated with and is provided with feed hopper, drying box bottom is provided with four groups of supporting leg, drying box bottom middle part is communicated and is provided with discharge pipe, discharge valve is installed on discharge pipe, extruding device is installed in the upper portion of drying box, guide plate is obliquely installed in the left end upper side in drying box, guide plate and feed hopper output end position correspond, guide plate and extruding device position correspond, first motor is installed in the bottom end of extruding device, stirring frame is installed in the output end of first motor, blowing device is arranged in drying box.

[0007] Preferably, the extruding device includes a hydraulic cylinder, a pressing plate, an extruding frame, a filter screen, four first mounting rods, a water collection tank, four second mounting rods, a drain pipe, a drain valve, and a discharging device. The hydraulic cylinder is installed in the middle part of the top end of the drying box. The output end of the hydraulic cylinder extends through the top end of the drying box into the drying box and is connected to the top end of the pressing plate. The extruding frame is installed on the inner wall of the drying box through the four first mounting rods. The filter screen is installed at the bottom end of the extruding frame. The water collection tank is installed on the inner wall of the drying box through the four second mounting rods. The water collection tank is located below the extruding frame. The input end of the drain pipe is communicated with the right part of the bottom end of the water collection tank. The output end of the drain pipe extends through the right end of the drying box to the outside of the drying box. The drain valve is installed on the drain pipe. The discharging device is installed on the extruding frame.

[0008] Preferably, the device further comprises a conveying box, a second motor, a spiral conveying roller and four groups of supporting columns, the conveying box is obliquely arranged at the bottom end of the drying box through the four groups of supporting columns, the second motor is arranged at the left end of the conveying box, the output end of the discharge pipe is communicated with the left side of the top end of the conveying box, the spiral conveying roller is rotatably arranged in the conveying box, the output end of the second motor is connected with the left end of the spiral conveying roller through the left end of the conveying box, and the bottom end of the conveying box is communicated with the discharge pipe arranged at the right side.

[0009] Preferably, the discharging device comprises a first electric push rod, a discharging plate, four groups of fixing seats and two groups of second electric push rods, the right end of the extrusion frame is provided with a receiving groove, the push plate is arranged in the receiving groove of the extrusion frame, the first electric push rod is arranged at the right end of the extrusion frame, the output end of the first electric push rod is connected with the push plate through the right end of the extrusion frame, the left end of the extrusion frame is communicated with a discharging port, the discharging plate is rotatably arranged at the discharging port of the extrusion frame, the four groups of fixing seats are respectively arranged at the front upper side and the rear upper side of the left end of the extrusion frame and the front lower side and the rear lower side of the left end of the discharging plate, the two groups of second electric push rods are rotatably arranged on the two upper groups of fixing seats, and the output ends of the two groups of second electric push rods are rotatably connected with the two lower groups of fixing seats.

[0010] Preferably, the device further comprises a U-shaped scraper, the U-shaped scraper is arranged on the stirring frame, and the U-shaped scraper is in contact with the inner wall of the drying box.

[0011] Preferably, the device further comprises a supporting seat and two groups of supporting rods, the supporting seat is arranged at the lower part in the drying box through the two groups of supporting rods, and the supporting seat is rotatably connected with the bottom end of the stirring frame.

[0012] Preferably, the edge of the stirring frame is treated as a knife surface.

[0013] Preferably, the pressing plate is made of stainless steel.

[0014] Compared with the prior art, the sludge is introduced into the drying box through the feeding hopper, the sludge is introduced into the extrusion device under the guidance of the guide plate, then the water in the sludge is squeezed out by the extrusion device, and then the sludge is introduced into the lower part of the drying box, the first motor is opened, the first motor drives the stirring frame to rotate, the stirring frame stirs the sludge, and at the same time, the blowing device in the drying box is opened, the sludge is in contact with hot air for drying, through the device, the sludge can be stirred, so that the sludge is fully contacted with the hot air, and the drying effect is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a first perspective view of the device;

[0016] Figure 2 is a second perspective view of the device;

[0017] Figure 3 is Figure 1The enlarged structural schematic view of the middle A;

[0018] Figure 4 is Figure 2 The enlarged structural schematic view of the middle B;

[0019] In the drawings, 1 is a drying box, 2 is a feeding hopper, 3 is a supporting leg, 4 is a discharging pipe, 5 is a discharging valve, 6 is a first motor, 7 is a guide plate, 8 is a stirring frame, 9 is a hydraulic cylinder, 10 is a pressing plate, 11 is an extrusion frame, 12 is a filter screen, 13 is a first mounting rod, 14 is a water collecting tank, 15 is a second mounting rod, 16 is a conveying box, 17 is a second motor, 18 is a spiral conveying roller, 19 is a discharging pipe, 20 is a supporting column, 21 is a first electric push rod, 22 is a discharging plate, 23 is a fixing seat, 24 is a second electric push rod, 25 is a U-shaped scraper, 26 is a supporting seat, 27 is a supporting rod, 28 is a drain pipe, and 29 is a drain valve. DETAILED DESCRIPTION

[0020] The specific embodiments of the present application will be further described in detail below with reference to the drawings and examples. The following examples are used to illustrate the present application, but are not used to limit the scope of the present application.

[0021] As Figures 1 to 4 shown, the sludge drying system comprises a drying box 1, a discharging valve 5, a first motor 6, a guide plate 7, a stirring frame 8 and an extrusion device. The drying box 1 is provided with a feeding hopper 2 at the left top end. The drying box 1 is provided with four supporting legs 3 at the bottom end. The drying box 1 is provided with a discharging pipe 4 at the middle bottom end. The discharging valve 5 is installed on the discharging pipe 4. The extrusion device is installed at the upper part in the drying box 1. The guide plate 7 is installed at the left end on the upper side in the drying box 1. The guide plate 7 corresponds to the output end position of the feeding hopper 2. The guide plate 7 corresponds to the position of the extrusion device. The first motor 6 is installed at the bottom end of the extrusion device. The stirring frame 8 is installed at the output end of the first motor 6. The drying box 1 is provided with a blowing device.

[0022] The sludge is introduced into the drying box 1 through the feeding hopper 2. The sludge is introduced into the extrusion device under the guidance of the guide plate 7. Then, the water in the sludge is squeezed out by the extrusion device. The sludge is introduced into the lower part of the drying box 1. The first motor 6 is turned on. The first motor 6 drives the stirring frame 8 to rotate. The stirring frame 8 stirs the sludge. The blowing device in the drying box 1 is turned on. The sludge is contacted with the hot air for drying. The sludge is stirred, so that the sludge is fully contacted with the hot air. The drying effect is improved.

[0023] As the preferred of the above embodiment, the extrusion device comprises the hydraulic cylinder 9, the pressing plate 10, the extrusion frame 11, the filter screen 12, the four groups of first mounting rods 13, the water collecting tank 14, the four groups of second mounting rods 15, the drain pipe 28, the drain valve 29 and the discharging device, the hydraulic cylinder 9 is installed at the middle of the top end of the drying box 1, the output end of the hydraulic cylinder 9 extends into the drying box 1 through the top end of the drying box 1 and is connected with the top end of the pressing plate 10, the extrusion frame 11 is installed on the inner wall of the drying box 1 through the four groups of first mounting rods 13, the filter screen 12 is installed at the bottom end of the extrusion frame 11, the water collecting tank 14 is installed on the inner wall of the drying box 1 through the four groups of second mounting rods 15, the water collecting tank 14 is located below the extrusion frame 11, the input end of the drain pipe 28 is communicated with the right part of the bottom end of the water collecting tank 14, the output end of the drain pipe 28 extends to the outside of the drying box 1 through the right end of the drying box 1, the drain valve 29 is installed on the drain pipe 28, and the discharging device is installed on the extrusion frame 11.

[0024] By setting the hydraulic cylinder 9, the pressing plate 10, the extrusion frame 11, the filter screen 12, the first mounting rod 13, the water collecting tank 14, the second mounting rod 15, the drain pipe 28, the drain valve 29 and the discharging device, the sludge is guided into the inside of the extrusion frame 11 under the guidance of the guide plate 7, then the extrusion frame 11 is opened, the extrusion frame 11 drives the pressing plate 10 to move downward in the extrusion frame 11, the pressing plate 10 extrudes the sludge, and the water in the sludge is collected in the water collecting tank 14 after being filtered through the filter screen 12, and after the sludge is extruded, the sludge is guided into the lower part of the drying box 1 through the discharging device, which plays a role in extruding and draining the sludge and improves the drying effect.

[0025] As the preferred of the above embodiment, it further comprises the conveying box 16, the second motor 17, the spiral conveying roller 18 and the four groups of support columns 20, the conveying box 16 is installed at the bottom end of the drying box 1 obliquely through the four groups of support columns 20, the second motor 17 is installed at the left end of the conveying box 16, the output end of the discharging pipe 4 is communicated with the left side of the top end of the conveying box 16, the spiral conveying roller 18 is rotatably installed in the inside of the conveying box 16, the output end of the second motor 17 is connected with the left end of the spiral conveying roller 18 through the left end of the conveying box 16, and the discharging pipe 19 is communicated with the right side of the bottom end of the conveying box 16;

[0026] By setting the conveying box 16, the second motor 17, the spiral conveying roller 18, the discharging pipe 19 and the support column 20, the sludge in the drying box 1 is guided into the inside of the conveying box 16 through the discharging pipe 4 by opening the discharging valve 5, the spiral conveying roller 18 is rotated by turning on the second motor 17, the spiral conveying roller 18 conveys the sludge, and then the sludge is discharged through the discharging pipe 19, which plays a role in conveying the sludge and avoids the blockage of the sludge.

[0027] As the preferred embodiment of the above example, the blanking device comprises a first electric push rod 21, a discharge plate 22, four sets of fixed seats 23 and two sets of second electric push rods 24, the right end of the extrusion frame 11 is provided with a receiving groove, the push plate is located in the receiving groove of the extrusion frame 11, the first electric push rod 21 is installed at the right end of the extrusion frame 11, the output end of the first electric push rod 21 is connected with the push plate through the right end of the extrusion frame 11, the left end of the extrusion frame 11 is provided with a discharge port in communication, the discharge plate 22 is rotatably installed at the discharge port of the extrusion frame 11, the four sets of fixed seats 23 are respectively installed on the front upper side and the rear upper side of the left end of the extrusion frame 11 and the front lower side and the rear lower side of the left end of the discharge plate 22, and the two sets of second electric push rods 24 are respectively rotatably installed on the upper two sets of fixed seats 23, and the output ends of the two sets of second electric push rods 24 are rotatably connected with the lower two sets of fixed seats 23.

[0028] By setting the first electric push rod 21, the discharge plate 22, the fixed seat 23 and the second electric push rod 24, after the sludge is extruded, the two sets of second electric push rods 24 are opened, and the two sets of second electric push rods 24 drive the discharge plate 22 to open, then the first electric push rod 21 is opened, and the first electric push rod 21 drives the push plate to move left, and the push plate pushes the sludge on the filter screen 12 out of the discharge port of the extrusion frame 11 to the lower part of the drying box 1, thereby guiding the sludge on the filter screen 12 into the lower part of the drying box 1.

[0029] As the preferred embodiment of the above example, it further comprises a U-shaped scraper 25, the U-shaped scraper 25 is installed on the stirring frame 8, and the U-shaped scraper 25 is in contact with the inner wall of the drying box 1.

[0030] By setting the U-shaped scraper 25, the sludge adhering to the inner wall of the drying box 1 can be scraped off, and the inner wall of the drying box 1 can be easily cleaned.

[0031] As the preferred embodiment of the above example, it further comprises a support seat 26 and two sets of support rods 27, the support seat 26 is installed in the lower part of the drying box 1 through the two sets of support rods 27, and the support seat 26 is rotatably connected with the bottom end of the stirring frame 8.

[0032] By setting the support seat 26 and the support rod 27, the stirring frame 8 can be supported, and the stability of the stirring frame 8 is improved.

[0033] As the preferred embodiment of the above example, the edge of the stirring frame 8 is treated as a knife surface.

[0034] The knife surface treatment can cut the large sludge into smaller particles, increase the surface area of the material, and improve the contact efficiency with hot air.

[0035] As the preferred embodiment of the above example, the pressing plate 10 is made of stainless steel material.

[0036] The stainless steel material has the characteristics of wear resistance and corrosion resistance, which can prolong its service life.

[0037] The utility model discloses a sludge drying system, its installation mode, connecting mode or setting mode are all common mechanical mode, can be implemented as long as reaching its beneficial effect, the first motor 6, hydraulic cylinder 9, second motor 17, first electric push rod 21 and second electric push rod 24 of the utility model of a sludge drying system are purchased on the market, and the technical personnel in this industry only needs to install and operate according to its attached instruction manual.

[0038] The utility model discloses a sludge drying system, its installation mode, connecting mode or setting mode are all common mechanical mode, can be implemented as long as reaching its beneficial effect, the first motor 6, hydraulic cylinder 9, second motor 17, first electric push rod 21 and second electric push rod 24 of the utility model of a sludge drying system are purchased on the market, and the technical personnel in this industry only needs to install and operate according to its attached instruction manual.

[0039] The above only is the preferred implementation mode of the utility model, should point out, for the ordinary technical personnel of this technical field, on the premise of not departing from the technical principle of the utility model, can also make a number of improvements and variations, these improvements and variations also should be regarded as the protection range of the utility model.

Claims

1. A sludge dewatering system, characterized by, The utility model relates to a drying box (1), discharge valve (5), first motor (6), guide plate (7), stirring frame (8) and extruding device, drying box (1) top left side is connected with feed hopper (2), drying box (1) bottom is provided with four groups of supporting legs (3), drying box (1) bottom middle part is connected with discharge pipe (4), discharge valve (5) is installed on discharge pipe (4), extruding device is installed in the upper portion in drying box (1), guide plate (7) is installed on the left end upside in drying box (1) and is inclined, guide plate (7) corresponds with the position of feed hopper (2) output end, guide plate (7) corresponds with the position of extruding device, first motor (6) is installed at the bottom of extruding device, stirring frame (8) is installed at the output end of first motor (6), and blowing device is arranged in drying box (1).

2. A sludge dewatering system as claimed in claim 1, wherein, The extruding device includes a hydraulic cylinder (9), a pressing plate (10), an extruding frame (11), a filter screen (12), four first mounting rods (13), a water collecting tank (14), four second mounting rods (15), a drain pipe (28), a drain valve (29), and a discharging device. The hydraulic cylinder (9) is installed at the top middle part of the drying box (1), and the output end of the hydraulic cylinder (9) penetrates through the top end of the drying box (1) to connect with the top end of the pressing plate (10) in the drying box (1). The extruding frame (11) is installed on the inner wall of the drying box (1) through the four first mounting rods (13). The filter screen (12) is installed at the bottom end of the extruding frame (11). The water collecting tank (14) is installed on the inner wall of the drying box (1) through the four second mounting rods (15). The water collecting tank (14) is located below the extruding frame (11). The input end of the drain pipe (28) is communicated with the right part of the bottom end of the water collecting tank (14). The output end of the drain pipe (28) penetrates through the right end of the drying box (1) to the outside of the drying box (1). The drain valve (29) is installed on the drain pipe (28). The discharging device is installed on the extruding frame (11).

3. A sludge dewatering system as claimed in claim 2, wherein, It also includes a conveying box (16), a second motor (17), a spiral conveying roller (18), and four supporting columns (20). The conveying box (16) is installed on the bottom end of the drying box (1) through the four supporting columns (20). The second motor (17) is installed on the left end of the conveying box (16). The output end of the discharge pipe (4) is communicated with the left side of the top end of the conveying box (16). The spiral conveying roller (18) is rotatably installed in the conveying box (16). The output end of the second motor (17) is connected with the left end of the spiral conveying roller (18) through the left end of the conveying box (16). The bottom right side of the conveying box (16) is provided with a discharge pipe (19).

4. A sludge dewatering system as claimed in claim 3, wherein, The blanking device comprises a first electric push rod (21), a discharging plate (22), four groups of fixing seats (23) and two groups of second electric push rods (24), the right end of the extrusion frame (11) is provided with a receiving groove, the push plate is located in the receiving groove of the extrusion frame (11), the first electric push rod (21) is installed at the right end of the extrusion frame (11), the output end of the first electric push rod (21) is connected with the push plate through the right end of the extrusion frame (11), the left end of the extrusion frame (11) is provided with a discharging port in communication, the discharging plate (22) is rotatably installed at the discharging port of the extrusion frame (11), the four groups of fixing seats (23) are respectively installed at the front upper side and the rear upper side of the left end of the extrusion frame (11) and the front lower side and the rear lower side of the left end of the discharging plate (22), the two groups of second electric push rods (24) are rotatably installed on the two groups of upper fixing seats (23), and the output ends of the two groups of second electric push rods (24) are rotatably connected with the two groups of lower fixing seats (23).

5. A sludge dewatering system as claimed in claim 4, wherein, The device further comprises a U-shaped scraper (25), which is installed on the stirring frame (8) and is in contact with the inner wall of the drying box (1).

6. A sludge dewatering system as claimed in claim 5, wherein, The device further comprises a supporting seat (26) and two groups of supporting rods (27), the supporting seat (26) is installed at the lower part in the drying box (1) through the two groups of supporting rods (27), and the supporting seat (26) is rotatably connected with the bottom end of the stirring frame (8).

7. A sludge dewatering system as claimed in claim 6, wherein, The edge of the stirring frame (8) is treated as a knife surface.

8. A sludge dewatering system as claimed in claim 7, characterised in that, The pressing plate (10) is made of stainless steel.

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