Low-temperature sludge drying device

Abstract

The utility model discloses a low-temperature sludge drying device which comprises a shell and a placing plate which is arranged in the shell and can be adjusted up and down, an air blower which can be adjusted left and right is arranged in the shell and is positioned above the placing plate, a fixed shell which can filter waste gas is arranged on the right side of the shell, and the low-temperature sludge drying device further comprises a pulling plate, the pulling plate is arranged on the right side of the fixing shell. Through mutual cooperation of the fixed shell, the pull plate, the filter screen, the supporting block, the sliding groove, the sliding rod, the sliding block, a movable block, a limiting plate, a buffer spring, a fixed pipe, a partition plate, a heat conduction pipe and an exhaust fan, waste gas generated in the low-temperature sludge drying process can be conveniently filtered and purified, and pollution to the environment is avoided; and heat in the shell after sludge drying can be conveniently recycled, resource waste is avoided, meanwhile, the filter screen can be conveniently detached for cleaning and maintenance, and the practicability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of sludge drying, in particular to a low-temperature sludge drying device. Background Art

[0002] Low-temperature sludge drying, also known as sludge dehydration, refers to the process of removing most of the water content from the sludge through filtration or evaporation. After the sludge is concentrated, physical methods are used to further reduce the water content of the sludge to facilitate the transportation, accumulation, utilization or further treatment of the sludge. Harmful gases may be produced during the sludge drying process.

[0003] According to the application number: CN202321372011.3, a low-temperature sludge drying device includes a drying shell for sludge drying, and both sides of the drying shell are provided with an inlet and an outlet; a conveying mechanism for conveying sludge, the conveying mechanism includes two conveying frames fixedly connected to both sides of the drying shell, and conveying rollers are rotatably installed on the two conveying frames through conveying shafts, and the two conveying rollers are connected by a conveyor belt transmission.

[0004] The low-temperature sludge drying device in the above case is not convenient for filtering harmful gases generated during the sludge drying process, which easily causes environmental pollution. In addition, the heat after drying is usually directly discharged to the outside, thereby wasting resources. For this reason, we provide a low-temperature sludge drying device. Utility Model Content

[0005] The purpose of the utility model is to provide a low-temperature sludge drying device to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a low-temperature sludge drying device, comprising a shell, and a placement plate arranged inside the shell and adjustable up and down, a blower adjustable left and right is arranged inside the shell and above the placement plate, and a fixed shell that can filter exhaust gas is arranged on the right side of the shell.

[0007] Preferably, it also includes a pull plate, which is arranged on the right side of the fixed shell, and a filter net is installed on the left side of the pull plate. The left side of the filter net penetrates the fixed shell and extends into the interior thereof, and a support block is installed on the left side of the inner wall of the fixed shell and at the bottom of the filter net.

[0008] Preferably, it also includes a slide groove, which is opened at the bottom of the right side of the fixed shell, the top and bottom of the inner wall of the slide groove are fixedly connected by a slide rod, and the surface of the slide rod is slidably connected to a slider.

[0009] Preferably, a movable block is installed on the right side of the sliding block, a limiting plate used in conjunction with the pulling plate is installed on the right side of the movable block, and a buffer spring is sleeved on the surface of the sliding rod.

[0010] Preferably, a fixed pipe connected to the shell is installed on the right side of the top of the shell, the bottom end of the fixed pipe passes through the fixed shell and extends to the inside thereof, a partition is installed on the inner wall of the fixed shell, a heat conduction pipe is installed on the bottom end of the fixed pipe, the bottom end of the heat conduction pipe passes through the partition and extends to the outside thereof, and an exhaust fan connected to the fixed shell is installed at the bottom of the fixed shell.

[0011] Preferably, a servo motor is installed on the left side of the shell, the right end of the servo motor output shaft passes through the shell and extends into the interior thereof, a threaded rod is installed on the right end of the servo motor output shaft, a threaded block is threadedly connected to the surface of the threaded rod, the bottom of the threaded block is fixedly connected to the top of the hair dryer, and heating blocks are installed on both sides of the left and right sides of the inner wall of the shell.

[0012] Preferably, a moving groove is provided at the top of the inner wall of the shell, and a moving block which is in sliding contact with the moving groove is installed at the top of the threaded block.

[0013] Preferably, two electric push rods are installed at the bottom of the inner wall of the shell, the top ends of the electric push rods are fixedly connected to the bottom of the placement plate, and a placement shell is provided at the top of the placement plate.

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

[0015] 1. The utility model cooperates with each other among a fixed shell, a pull plate, a filter screen, a support block, a slide groove, a slide rod, a slider, a movable block, a limit plate, a buffer spring, a fixed tube, a partition, a heat-conducting tube and an exhaust fan, so as to facilitate filtering and purifying the waste gas generated in the process of low-temperature sludge drying, thereby avoiding pollution to the environment, and conveniently recovering the heat in the shell after the sludge is dried, avoiding waste of resources, and conveniently removing the filter screen for cleaning and maintenance, thereby improving practicality.

[0016] 2. The utility model realizes a low-temperature sludge drying device through the mutual cooperation of a placement plate, a blower, a servo motor, a threaded rod, a threaded block, a heating block, a moving groove, a moving block, an electric push rod and a placement shell, thereby facilitating uniform drying processing of low-temperature sludge. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0018] Figure 2 It is a three-dimensional structural schematic diagram of the side view of the utility model;

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

[0020] Figure 4 It is a structural cross-sectional view of the front view of the fixed shell of the utility model;

[0021] Figure 5 This is a structural cross-sectional view of the front view of the fixed shell, pull plate, filter screen and exhaust fan of the utility model.

[0022] In the figure: 1 shell, 2 placement plate, 3 hair dryer, 4 fixed shell, 5 pull plate, 6 filter, 7 support block, 8 slide groove, 9 slide rod, 10 slider, 11 movable block, 12 limit plate, 13 buffer spring, 14 fixed pipe, 15 partition, 16 heat pipe, 17 exhaust fan, 18 servo motor, 19 threaded rod, 20 threaded block, 21 heating block, 22 moving groove, 23 moving block, 24 electric push rod, 25 placement shell. 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 1-5 A low-temperature sludge drying device includes a shell 1, and a placement plate 2 which is arranged inside the shell 1 and can be adjusted up and down. A blower 3 which can be adjusted left and right is arranged inside the shell 1 and above the placement plate 2. A blower 3 which can be adjusted left and right is installed at the bottom of the blower 3 and is interconnected with the blower 3. A hose which is interconnected with the blower 3 is installed on the left side of the blower 3. The left end of the hose passes through the shell 1 and extends to the outside thereof. The length of the hose is long and will not affect the movement of the blower 3. A fixed shell 4 which can filter exhaust gas is arranged on the right side of the shell 1.

[0025] Furthermore, the front of the shell 1 is movably connected to a fixed door via a hinge, an air intake pipe interconnected with the shell 1 is installed at the bottom of the right side of the shell 1, a valve is provided on the air intake pipe, a water filling cover is provided on the top of the fixed shell 4, and a drain pipe interconnected with the fixed shell 4 is installed on the right side of the fixed shell 4, a valve is provided on the drain pipe.

[0026] A servo motor 18 is fixedly connected to the left side of the shell 1. The servo motor 18 is a forward and reverse motor with a self-locking function. The right end of the output shaft of the servo motor 18 passes through the shell 1 and extends into the interior thereof. A threaded rod 19 is fixedly connected to the right end of the output shaft of the servo motor 18. A threaded block 20 is threadedly connected to the surface of the threaded rod 19. The bottom of the threaded block 20 is fixedly connected to the top of the hair dryer 3. A heating block 21 is fixedly connected to the left and right sides of the inner wall of the shell 1. A moving groove 22 is provided at the top of the inner wall of the shell 1. A moving block 23 that is in sliding contact with the moving groove 22 is fixedly connected to the top of the threaded block 20. Two electric push rods 24 are fixedly connected to the bottom of the inner wall of the shell 1. The top of the electric push rod 24 is fixedly connected to the bottom of the placement plate 2. A placement shell 25 is provided on the top of the placement plate 2. The bottom of the placement shell 25 is in contact with the top of the placement plate 2. Blocks are installed on the top of the placement plate 2 and on the left and right sides of the placement shell 25. The side of the block close to the placement shell 25 is in contact with the placement shell 25.

[0027] By the mutual cooperation of the placement plate 2, the blower 3, the servo motor 18, the threaded rod 19, the threaded block 20, the heating block 21, the moving groove 22, the moving block 23, the electric push rod 24 and the placement shell 25, a low-temperature sludge drying device is realized, which facilitates the uniform drying processing of the low-temperature sludge.

[0028] It also includes a pull plate 5, which is arranged on the right side of the fixed shell 4, and the left side of the pull plate 5 is in contact with the right side of the fixed shell 4. The left side of the pull plate 5 is fixedly connected with a filter screen 6, and the left side of the filter screen 6 penetrates the fixed shell 4 and extends to the inside thereof. A support block 7 is fixedly connected to the left side of the inner wall of the fixed shell 4 and located at the bottom of the filter screen 6, and the top of the support block 7 is in contact with the bottom of the filter screen 6.

[0029] The casing 1 further comprises a slide groove 8, which is arranged at the bottom of the right side of the fixed shell 4. The top and the bottom of the inner wall of the slide groove 8 are fixedly connected by a slide rod 9. A slider 10 is slidably connected to the surface of the slide rod 9. A movable block 11 is fixedly connected to the right side of the slider 10. A limit plate 12 used in conjunction with the pull plate 5 is fixedly connected to the right side of the movable block 11. The limit plate 12 is in contact with the pull plate 5 on one side close to the pull plate 5. A buffer spring 13 is sleeved on the surface of the slide rod 9. A fixed pipe 14 communicating with the fixed pipe 14 is fixedly connected to the right side of the top of the casing 1. The bottom end of the fixed pipe 14 passes through the fixed shell 4 and extends to the inside thereof. A partition 15 is fixedly connected to the inner wall of the fixed shell 4. A heat conducting pipe 16 is fixedly connected to the bottom end of the fixed pipe 14. The bottom end of the heat conducting pipe 16 passes through the partition 15 and extends to the outside thereof. An exhaust fan 17 communicating with the fixed shell 4 is fixedly connected to the bottom.

[0030] Specifically, the limit plate 12 is pulled downward, and the limit plate 12 drives the slider 10 to move downward through the movable block 11, so that the slider 10 squeezes the buffer spring 13 downward to move, so that the limit plate 12 and the pull plate 5 are separated, and then the pull plate 5 is pulled to the right, and the pull plate 5 drives the filter screen 6 to be pulled out of the fixed shell 4 to complete the disassembly.

[0031] Through the cooperation of the fixed shell 4, the pull plate 5, the filter screen 6, the support block 7, the slide groove 8, the slide rod 9, the slider 10, the movable block 11, the limit plate 12, the buffer spring 13, the fixed tube 14, the partition 15, the heat pipe 16 and the exhaust fan 17, it is convenient to filter and purify the exhaust gas generated in the low-temperature sludge drying process, thereby avoiding pollution to the environment, and it is convenient to recycle the heat in the shell 1 after the sludge is dried, thereby avoiding waste of resources. At the same time, it is convenient to disassemble the filter screen 6 for cleaning and maintenance, thereby improving practicality.

[0032] When in use, open the fixed door, then place the sludge in the placement shell 25, then adjust the distance between the sludge and the blowing head on the blower 3 as needed, start the electric push rod 24, and the electric push rod 24 drives the placement shell 25 to move upward to complete the adjustment, then start the heating block 21, the blower 3 and the servo motor 18, the servo motor 18 drives the threaded rod 19 to rotate through the output shaft, so that the threaded rod 19 can drive the threaded block 20 to move left and right repeatedly, thereby driving the blower 3 to move left and right repeatedly, which is convenient for drying the sludge. After drying is completed, start the exhaust fan 17 to generate negative pressure in the fixed shell 4, so that the fixed pipe 14 draws the gas in the shell 1 into the heat conduction pipe 16, and at the same time opens the valve on the air inlet pipe, so that the outside gas can enter the inside of the shell 1, and then the water in the fixed shell 4 absorbs the heat in the gas, so that the water is heated, which is convenient for later use, and then discharged through the heat conduction pipe 16, and discharged to the outside after being filtered through the filter 6.

[0033] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A low-temperature sludge drying device, characterized in that: The invention comprises a shell (1), and a placement plate (2) arranged inside the shell (1) and adjustable up and down, a blower (3) adjustable left and right is arranged inside the shell (1) and above the placement plate (2), and a fixed shell (4) capable of filtering exhaust gas is arranged on the right side of the shell (1).

2. A low-temperature sludge drying device according to claim 1, characterized in that: It also comprises a pull plate (5), the pull plate (5) being arranged on the right side of the fixed shell (4), a filter screen (6) being installed on the left side of the pull plate (5), the left side of the filter screen (6) penetrating the fixed shell (4) and extending into the interior thereof, and a support block (7) being installed on the left side of the inner wall of the fixed shell (4) and at the bottom of the filter screen (6).

3. A low-temperature sludge drying device according to claim 2, characterized in that: It also includes a slide groove (8), which is opened at the bottom of the right side of the fixed shell (4), the top and bottom of the inner wall of the slide groove (8) are fixedly connected by a slide rod (9), and the surface of the slide rod (9) is slidably connected with a slider (10).

4. A low-temperature sludge drying device according to claim 3, characterized in that: A movable block (11) is installed on the right side of the sliding block (10), a limiting plate (12) used in conjunction with the pulling plate (5) is installed on the right side of the movable block (11), and a buffer spring (13) is sleeved on the surface of the sliding rod (9).

5. A low-temperature sludge drying device according to claim 4, characterized in that: A fixed pipe (14) is installed on the right side of the top of the shell (1) and is interconnected with the shell (1); the bottom end of the fixed pipe (14) passes through the fixed shell (4) and extends to the inside thereof; a partition (15) is installed on the inner wall of the fixed shell (4); a heat conduction pipe (16) is installed on the bottom end of the fixed pipe (14); the bottom end of the heat conduction pipe (16) passes through the partition (15) and extends to the outside thereof; and an exhaust fan (17) is installed at the bottom of the fixed shell (4) and is interconnected with the fixed shell (4).

6. A low-temperature sludge drying device according to claim 5, characterized in that: A servo motor (18) is installed on the left side of the shell (1), the right end of the output shaft of the servo motor (18) passes through the shell (1) and extends into the interior thereof, a threaded rod (19) is installed on the right end of the output shaft of the servo motor (18), a threaded block (20) is threadedly connected to the surface of the threaded rod (19), the bottom of the threaded block (20) is fixedly connected to the top of the hair dryer (3), and heating blocks (21) are installed on both left and right sides of the inner wall of the shell (1).

7. A low-temperature sludge drying device according to claim 6, characterized in that: A moving groove (22) is provided at the top of the inner wall of the housing (1), and a moving block (23) which is in sliding contact with the moving groove (22) is installed at the top of the threaded block (20).

8. The low-temperature sludge drying device according to claim 1, characterized in that: Two electric push rods (24) are installed at the bottom of the inner wall of the shell (1), the top ends of the electric push rods (24) are fixedly connected to the bottom of the placement plate (2), and the top of the placement plate (2) is provided with a placement shell (25).

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