Sludge drying tray
By setting through holes and transfer plate structures on the sludge drying pallet, the problem of excessive strength of sludge and pallets is solved, and the sludge is successfully shedded and transported, which is convenient for clean and tidy maintenance in the workshop.
Patent Information
- Application Number
- CN202323627552.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-28
- Publication Date
- 2024-12-17
- Estimated Expiration
- 2033-12-28
AI Technical Summary
After the existing sludge drying pallets are dry at high temperature, the bonding strength between the sludge and the pallet is too high, making it difficult to remove the sludge and easily break, causing powder to be produced, affecting the cleanliness of the workshop and the difficulty of transportation.
There are multiple through holes at the bottom of the support plate of the pallet, and built-in transfer plates and support rods are used to limit the transfer plates through the support rod. After high temperature, the transfer plates are gradually opened to reduce the contact area between the sludge and the pallet, reduce the bonding strength, and make the stains The mud falls off under its own gravity, reducing fragmentation and powder production.
It realizes easy removal and transportation of sludge, keeps the workshop clean, reduces the labor intensity of workers, and simplifies the loading and unloading process of sludge.
Smart Images
Figure CN222182052U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the field of sludge drying trays. Background Art
[0002] During sewage treatment, the sewage passes through a filter press and the sludge in the sewage is pressed into a cake shape. The cake-shaped sludge needs to be further dried. There are many purposes for drying, such as: to meet the local requirements for the moisture content of sludge discharge; to reduce weight for easy transportation; to make the sludge safe and stable and reduce the hazards of pathogens (including bacteria, viruses), heavy metals, etc. contained in it; to facilitate the recycling of waste materials, building materials, etc.
[0003] Most of the sludge is placed on a multi-layer drying rack, which is located in the drying room to dry the sludge. For cost considerations, the temperature in the drying room is generally not very high, not exceeding 80°C. For a small number of sludge that needs to be dried at a higher temperature, such as sludge that may contain pathogens, the killing temperature of some tenacious pathogens requires 150°C, and the drying room temperature cannot meet the sterilization requirements. At this time, the sludge needs to be collected into multiple pallets, and the pallets are placed in an oven with a higher heating temperature by a forklift to dry the sludge. Multiple pallets can be placed in an oven, and multiple pallets are arranged up and down in the oven, leaving gaps between adjacent pallets to facilitate the dissipation of water vapor. The oven is equipped with an exhaust device to extract the water vapor in the oven, and multiple slots for fixing the height of the pallets are provided on both sides of the inner wall of the oven.
[0004] The structure of the existing pallet includes a support plate which is formed by stamping a steel plate and has a concave cavity formed on the top. A steel frame is welded to the bottom of the support plate to increase the structural strength of the support plate.
[0005] During use, it was found that after the sludge was dried at high temperature on the pallet, the structural strength of the sludge increased significantly. At the same time, the sludge and the pallet would be firmly bonded, and the bonding surface between the cake-shaped sludge and the pallet was relatively large. The atmospheric pressure squeezed the sludge firmly on the pallet, resulting in difficulty in removing the sludge from the pallet. Workers often turned the pallet upside down and hammered the bottom of the pallet to make the sludge fall off the pallet, but this would cause serious sludge fragmentation and produce more powder, which was not conducive to keeping the workshop clean and tidy and increased the difficulty of transportation. Utility Model Content
[0006] The purpose of the utility model is to provide a sludge drying tray. The utility model has the advantages of being able to keep a workshop clean and tidy and making it easy to transport the dried sludge.
[0007] The technical solution of the utility model is as follows: the sludge drying tray comprises a supporting plate, a steel frame is welded to the bottom of the supporting plate, the steel frame is rectangular, the two ends of the steel frame in the long direction are respectively located on both sides of the supporting plate, a plurality of rectangular through holes are arranged on the bottom surface of the supporting plate, a rotating plate is arranged in the through holes, one end of the rotating plate is rotatably connected to the supporting plate, a plurality of support rods are arranged at the bottom of the rotating plate, and the two ends of the support rods respectively pass through the two sides of the width of the steel frame.
[0008] In the aforementioned sludge drying tray, the support rods are square rods, and one of the support rods is located below the rotating end of the rotating plate.
[0009] In the aforementioned sludge drying tray, a slot through which the support rod passes is provided on the top surface of the steel frame, and the slot and the support rod are clearance-matched.
[0010] In the aforementioned sludge drying tray, a handle is provided at the bottom of the rotating end of the rotating plate, and the height of the handle is lower than the thickness of the steel frame.
[0011] In the aforementioned sludge drying tray, the rotating plate is located on the inner side of the steel frame.
[0012] In the aforementioned sludge drying tray, at least one end of the support rod is provided with a guide head, and a guide slope is provided on the guide head.
[0013] In the aforementioned sludge drying tray, guide plates fixed to the bottom surface of the supporting plate are provided on both sides of the supporting rod.
[0014] Compared with the prior art, the utility model is based on the existing pallet, and a plurality of through holes are opened at the bottom of the support plate, a rotating plate is arranged in the through holes, and a support rod connected to the steel frame is arranged at the bottom of the rotating plate, and the rotating plate is limited by the support rod, and the leakage of sludge caused by the deformation of the rotating plate is reduced. After the sludge is dried, the support rod is removed, the limit of the rotating plate is released, and the rotating plates are opened one by one, so that the contact area between the sludge and the support plate is gradually reduced, and the bonding strength between the sludge and the support plate is reduced. The sludge can fall from the support plate under its own gravity, reducing the fragmentation of the sludge and the generation of powder, which is not only conducive to keeping the workshop clean and tidy, but also makes the dried sludge easy to transport. Therefore, the utility model has the advantages of being able to keep the workshop clean and tidy and making the dried sludge easy to transport.
[0015] In addition, by providing a handle at the rotating end of the rotating plate, a force point is provided for the rotation of the rotating plate, so that the rotating plate is easy to open and the labor intensity of workers is reduced. By providing a clearance fit between the notch and the support rod, providing a guide head at the end of the support rod, and providing guide plates on both sides of the support rod, the removed support rod can be easily assembled back into the steel frame. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a front view structural schematic diagram of the utility model.
[0017] Figure 2 It is a top view structural schematic diagram of the utility model.
[0018] Figure 3 It is a top view structural diagram of the steel frame.
[0019] Figure 4 It is a schematic diagram of the structure of the support plate when viewed from above.
[0020] The markings in the accompanying drawings are: 1-support plate, 2-steel frame, 3-turn plate, 4-support rod, 5-slot, 6-handle, 7-guide head, 8-guide ramp, 9-guide plate, 10-hinge. DETAILED DESCRIPTION
[0021] The present invention is further described below in conjunction with the accompanying drawings and embodiments, but they are not intended to limit the present invention.
[0022] Example. Sludge drying tray, such as Figure 1 As shown, it includes a supporting plate 1, and a steel frame 2 is welded to the bottom of the supporting plate 1.
[0023] The steel frame 2 is rectangular, the width of the steel frame 2 is smaller than the width of the supporting plate 1, and the two ends of the steel frame 2 in the long direction are respectively located on both sides of the supporting plate 1. When the tray is in the oven, the two ends of the steel frame 2 respectively enter the slots on the side walls of the oven to achieve a fixed height of the tray in the oven.
[0024] A plurality of rectangular through holes are provided on the bottom surface of the supporting plate 1, and a rotating plate 3 is provided in the through holes. The material of the rotating plate 3 is elastic manganese steel. The plurality of rotating plates 3 are all located on the inner side of the steel frame 2. One end of the rotating plate 3 is rotatably connected to the supporting plate 1 through a hinge 10. A plurality of supporting rods 4 are provided at the bottom of the rotating plate 3. The supporting rod 4 is a square rod, and has a large supporting surface between the supporting plate 1 and the rotating plate 3 to prevent the supporting plate 1 and the rotating plate 3 from deforming. One of the supporting rods 4 is located below the rotating end of the rotating plate 3, and both ends of the supporting rod 4 pass through the width sides of the steel frame 2 respectively.
[0025] The top surface of the steel frame 2 is provided with a slot 5 through which the support rod 4 passes. The slot 5 and the support rod 4 are clearance-matched to facilitate the support rod 4 to be inserted into the slot 5 .
[0026] A handle 6 is provided at the bottom of the rotating end of the rotating plate 3 , and the height of the handle 6 is lower than the thickness of the steel frame 2 .
[0027] The two ends of the support rod 4 are each provided with a guide head 7 , and the four circumferential surfaces of the guide head 7 are all guide inclined surfaces 8 , and the outer end of the guide head 7 is smaller than the inner end thereof.
[0028] Guide plates 9 fixed to the bottom surface of the supporting plate 1 are disposed on both sides of the support rod 4 . The guide plates 9 avoid the rotation range of the rotating plate 3 , and both ends of the guide plates 9 are bent outwards.
[0029] Working principle: The sludge is placed on the support plate 1 and dried in the oven at high temperature. After taking out the pallet with a forklift, a flexible pad is placed on the ground, the pallet is turned upside down on the pad, the support rod 4 is pulled out, and the turn plate 3 is rotated by the handle 6. Since the turn plate 3 is relatively long, a certain degree of bending will occur during the pulling process. The turn plate 3 is equivalent to being torn from the bottom surface of the sludge. In the process of gradually pulling apart, air gradually enters between the turn plate 3 and the sludge. The squeezing effect of atmospheric pressure on the turn plate 3 is not obvious, and the turn plate 3 is easy to open completely. When all the turn plates 3 are opened, the contact area between the sludge and the support plate 1 is greatly reduced, and the sludge can fall off under the action of its own gravity. If it still does not fall off, lightly knock on the steel frame 2, or lightly push the sludge from the through hole. This can reduce the degree of sludge fragmentation and reduce powder generation.
Claims
1. A sludge drying tray, comprising a supporting plate (1), the bottom of which is welded with a steel frame (2), characterized in that: The steel frame (2) is rectangular, and the two ends of the steel frame (2) in the long direction are respectively located on the two sides of the support plate (1). A plurality of rectangular through holes are provided on the bottom surface of the support plate (1), and a rotating plate (3) is provided in the through holes. One end of the rotating plate (3) is rotatably connected to the support plate (1), and a plurality of support rods (4) are provided at the bottom of the rotating plate (3), and the two ends of the support rods (4) respectively pass through the two sides of the width of the steel frame (2).
2. The sludge drying tray according to claim 1, characterized in that: The support rods (4) are square rods, and one of the support rods (4) is located below the rotating end of the rotating plate (3).
3. The sludge drying tray according to claim 1, characterized in that: A slot (5) through which the support rod (4) passes is provided on the top surface of the steel frame (2), and the slot (5) and the support rod (4) are clearance-matched.
4. The sludge drying tray according to claim 1, characterized in that: A handle (6) is provided at the bottom of the rotating end of the rotating plate (3), and the height of the handle (6) is lower than the thickness of the steel frame (2).
5. The sludge drying tray according to claim 1, characterized in that: The rotating plate (3) is located on the inner side of the steel frame (2).
6. The sludge drying tray according to claim 1, characterized in that: At least one end of the support rod (4) is provided with a guide head (7), and the guide head (7) is provided with a guide inclined surface (8).
7. The sludge drying tray according to claim 1, characterized in that: Guide plates (9) fixed to the bottom surface of the supporting plate (1) are provided on both sides of the supporting rod (4).