External heater for sludge treatment

Abstract

The utility model relates to the technical field of heaters, and discloses an external heater for sludge treatment, which comprises a heat preservation and insulation box, an annular chute is arranged on the inner wall of a heat absorption cylinder, a rotating frame is arranged at the side end of a rotating component, a rectangular groove is arranged at the side end of the rotating frame, a cleaning component is arranged in each mounting groove, and the cleaning component is arranged in the rectangular groove. Through the arrangement of the disassembling assemblies, when each pulling plate is pulled, the fixing plate abuts against the corresponding second spring to contract, each sliding block is driven to be separated from the corresponding sliding groove, at the moment, the whole rotating frame can be disassembled by pulling the rotating frame, and therefore the rotating frame can be disassembled conveniently; sludge on the rotating frame can be conveniently cleaned, so that the flap wheel can continuously rotate subsequently to stir the sludge, solidified sludge attached to the side end of the scraper blade can be conveniently cleaned, and the cleaning effect on the inner wall of the heat absorption cylinder is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of heaters, and specifically, to an external heater for sludge treatment. Background Art

[0002] Heating sludge can decompose some organic substances and hydrolyze hydrophilic organic colloid substances. At the same time, it can decompose and destroy the microorganisms in the sludge, making the water in the cell membrane free out. Therefore, it can improve the concentration performance and dewatering performance of sludge. Heat treatment is particularly effective for activated sludge with poor dewatering performance. The advantages of using heat treatment to pretreat sludge are as follows: it can greatly improve the dewatering performance of sludge; no chemicals need to be added, and the amount of sludge cake is not increased; it can completely kill the pathogenic microorganisms and parasite eggs in the sludge; it can be applied to various sludges, and is most suitable for biological sludge. In related technologies, in order to improve the heating efficiency, an electric heater is usually used to heat sludge water.

[0003] The existing patent application No. CN202122728369.2 discloses an energy-saving electromagnetic heater for sludge treatment, including a base. A corner adjustment component is arranged at the top end of the base. One end of the corner adjustment component is fixedly connected with a heat preservation and heat insulation box. An endothermic cylinder is arranged on the inner wall of the heat preservation and heat insulation box. An energized coil is fixedly connected to the side wall of the endothermic cylinder. Power supplies are fixedly connected to both ends of the energized coil. A motor is fixedly connected to the side wall of the heat preservation and heat insulation box. A stirring component is fixedly connected to the output end of the motor. A sealing component is arranged on the side wall of the heat preservation and heat insulation box. In the technical solution provided by the utility model, by arranging the stirring component, the sludge inside is heated and stirred, so that the heat transfer speed is accelerated, the purpose of improving the working efficiency is achieved, time is saved and energy consumption is saved. By arranging the corner adjustment component, the device is adjusted in angle, so that the cleaning work of the internal sludge is facilitated, and the purpose of convenient cleaning without affecting subsequent use is achieved.

[0004] The above solution has the following deficiencies in the implementation process. Since the rotating frame is difficult to disassemble, the sludge attached to the rotating frame will directly agglomerate at the rotating shaft end of the impeller and the side end of the scraper after drying. Therefore, it is not convenient to clean the sludge on the rotating frame, which leads to the subsequent difficulty in the continuous rotation of the impeller to stir the sludge. A large amount of solidified sludge will also adhere to the side end of the scraper, thereby reducing the cleaning effect on the inner wall of the endothermic cylinder. For this reason, an external heater for sludge treatment is needed to solve the above problems. Summary of the Utility Model

[0005] The purpose of the present utility model is to provide an external heater for sludge treatment, which solves the problem that in the prior art, due to the difficulty of disassembling the rotating frame, the sludge attached to the rotating frame will directly agglomerate at the rotating shaft end of the impeller and the side end of the scraper after drying, so it is not convenient to clean the sludge on the rotating frame, resulting in the subsequent difficulty of the impeller to continue rotating to stir the sludge, and a large amount of solidified sludge will also adhere to the side end of the scraper, thus reducing the cleaning effect on the inner wall of the heat absorption cylinder.

[0006] The present utility model provides the following technical solutions: An external heater for sludge treatment includes a heat preservation and insulation box, an internal heat absorption cylinder is fixedly installed in the heat preservation and insulation box, a heating component is arranged between the outer end of the heat absorption cylinder and the outer top of the heat preservation and insulation box, a switch component is arranged on the outer side end of the heat preservation and insulation box, an annular sliding groove is opened on the inner wall of the heat absorption cylinder, a rotating component is arranged between the inner side end and the outer side end of the heat absorption cylinder, a rotating frame is installed on the side end of the rotating component, a rectangular groove is opened on the side end of the rotating frame, a plurality of installation grooves are opened inside the rotating frame, side grooves are spaced apart on the side end of each installation groove, a cleaning component is arranged inside each installation groove, and a disassembly component is arranged inside each side groove.

[0007] As a preference of the above technical solution, the rotating component includes a motor, the motor is fixedly installed on the outer side end of the heat absorption cylinder, the output end of the motor is installed with a rotating rod, the rotating rod penetrates into the heat absorption cylinder, and a rectangular plate is fixedly connected to the side end of the rotating rod, and the rectangular plate is adapted to the rectangular groove.

[0008] As a preference of the above technical solution, the disassembly component includes a second spring, the second spring is fixedly connected to the inner side end of the side groove, a fixing plate is fixedly connected to the side end of the second spring, a sliding block is fixedly connected to the side end of the fixing plate, and the side end of the sliding block penetrates to the outer side end of the rotating frame.

[0009] As a preference of the above technical solution, the sliding block is slidably connected in the sliding groove, and a pulling plate is fixedly connected to the side end of the sliding block.

[0010] As a preference of the above technical solution, the cleaning component includes a plurality of first springs, the plurality of first springs are fixedly connected to the inner side end of the installation groove, and a scraper is fixedly connected between the side ends of the plurality of first springs.

[0011] As a preference of the above technical solution, the heating component includes an energized coil and a power supply, the energized coil is installed on the outer end of the heat absorption cylinder, the power supply is installed on the outer top of the heat preservation and insulation box, and the energized coil and the power supply are electrically connected.

[0012] As a preference of the above technical solution, the switch assembly includes an electric push rod which is fixedly installed on the outer side end of the heat preservation and insulation box. The top end of the electric push rod is fixedly connected with a box door. A sealing ring is fixedly connected to the side end of the box door. The box door is located at the side end of the barrel opening of the heat absorption cylinder.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] With the arrangement of the disassembly component in the utility model, by pulling each pull plate, at this time, the fixed plate presses against the second spring to contract, driving each slider to disengage from the sliding groove. At this time, by pulling the rotating frame, the whole rotating frame can be disassembled, so as to facilitate the disassembly of the rotating frame, facilitate the cleaning of the sludge on the rotating frame, so as to facilitate the subsequent continuous rotation of the hundred-leaf impeller to stir the sludge, facilitate the cleaning of the solidified sludge attached to the side end of the cleaning scraper, and thus improve the cleaning effect on the inner wall of the heat absorption cylinder.

[0015] Subsequently, by pulling each pull plate in the same way as above, after the rectangular groove is aligned with the rectangular plate and inserted, the limit of the rotating frame is completed. Then, by releasing each pull plate, the second spring pushes the fixed plate to rebound, driving the slider to insert into the sliding groove, so as to realize the fixation of the rotating frame. Due to the arrangement of the rectangular plate and the slider, the rotating frame can not only rotate normally, but also be conveniently disassembled and installed. Description of the Drawings

[0016] Figure 1 It is a schematic diagram of the overall structure of an external heater for sludge treatment;

[0017] Figure 2 It is a schematic diagram of the upward view sectional structure of the heat absorption cylinder of an external heater for sludge treatment;

[0018] Figure 3 It is Figure 2 The partial enlarged structure schematic diagram of A in

[0019] Figure 4 It is a schematic diagram of the three-dimensional structure of the heat absorption cylinder of an external heater for sludge treatment.

[0020] In the figure: 1. Heat preservation and insulation box; 2. Electric push rod; 201. Box door; 202. Sealing ring; 3. Heat absorption cylinder; 301. Sliding groove; 4. Energized coil; 401. Power supply; 5. Motor; 501. Rotating rod; 502. Rectangular plate; 6. Rotating frame; 601. Rectangular groove; 602. Installation groove; 603. Side groove; 7. First spring; 701. Scraper; 8. Second spring; 801. Fixed plate; 802. Slider; 803. Pull plate. Detailed Embodiments

[0021] The technical solutions in the embodiments of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present utility model.

[0022] As Figures 1-4 shown, the present utility model provides a technical solution: an external heater for sludge treatment, including a heat-insulating box 1. An absorption cylinder 3 is fixedly installed inside the heat-insulating box 1. A heating component is provided between the outer end of the absorption cylinder 3 and the outer top end of the heat-insulating box 1. A switch component is provided on the outer side end of the heat-insulating box 1. An annular sliding groove 301 is formed in the inner wall of the absorption cylinder 3. A rotating component is provided between the inner side end and the outer side end of the absorption cylinder 3. A rotating frame 6 is installed at the side end of the rotating component. A rectangular groove 601 is formed in the side end of the rotating frame 6. A plurality of installation grooves 602 are formed inside the rotating frame 6. Side grooves 603 are spaced apart from each other at the side end of each installation groove 602. A cleaning component is provided inside each installation groove 602. A disassembly component is provided inside each side groove 603. Through the setting of the disassembly component, it is convenient to disassemble the rotating frame 6, facilitate the cleaning of the sludge on the rotating frame 6, so as to facilitate the subsequent continuous rotation of the hundred-leaf impeller to stir the sludge, and facilitate the cleaning of the solidified sludge attached to the side end of the cleaning scraper 701, thereby improving the cleaning effect on the inner wall of the absorption cylinder 3.

[0023] As an implementation manner in this embodiment, as Figure 1 shown, the switch component includes an electric push rod 2. The electric push rod 2 is fixedly installed on the outer side end of the heat-insulating box 1. The top end of the electric push rod 2 is fixedly connected to a box door 201. A sealing ring 202 is fixedly connected to the side end of the box door 201. The box door 201 is located at the side end of the barrel opening of the absorption cylinder 3. By starting the electric push rod 2, the box door 201 can be driven to move upward, so that the barrel opening of the absorption cylinder 3 is exposed, facilitating the transportation of sludge into the absorption cylinder 3. Then, the box door 201 is controlled to descend by the electric push rod 2, so that the box door 201 closes the barrel opening of the absorption cylinder 3. The sealing ring 202 improves the sealing performance between the box door 201 and the absorption cylinder 3, preventing the sludge from leaking out.

[0024] As an implementation manner in this embodiment, as Figure 1 and Figure 4 shown, the heating component includes an energized coil 4 and a power supply 401. The energized coil 4 is installed at the outer end of the absorption cylinder 3. The power supply 401 is installed at the outer top end of the heat-insulating box 1. The energized coil 4 and the power supply 401 are electrically connected. After the power supply 401 supplies power to the energized coil 4, the energized coil 4 heats up. At this time, the absorption cylinder 3 absorbs heat, thereby realizing the heating of the sludge inside the absorption cylinder 3.

[0025] As an implementation manner in this embodiment, as Figure 2 and Figure 3As shown in the figure, the rotating assembly includes a motor 5, which is fixedly installed on the outer side end of the heat absorption cylinder 3. The output end of the motor 5 is equipped with a rotating rod 501. The rotating rod 501 penetrates into the heat absorption cylinder 3. A rectangular plate 502 is fixedly connected to the side end of the rotating rod 501. The rectangular plate 502 is adapted to the rectangular groove 601. By starting the motor 5 to drive the rotating rod 501 to rotate, at this time, due to the setting of the rectangular plate 502, the rotating frame 6 can be driven to rotate, which is convenient for stirring the sludge inside the heat absorption cylinder 3, making the sludge evenly heated and improving the heating effect.

[0026] Furthermore, the cleaning assembly includes a number of first springs 7, which are fixedly connected to the inner side end of the installation groove 602. A scraper 701 is fixedly connected between the side ends of the number of first springs 7. By driving the rotating frame 6 to rotate by the motor 5, the elastic force of the first springs 7 tightly fits the scraper 701 to the inner wall of the heat absorption cylinder 3, scraping and cleaning the inner wall of the heat absorption cylinder 3, avoiding the sludge adhering to the inner wall and affecting the uneven heating of the sludge in the middle of the cylinder. At the same time, after the sludge heating treatment is completed, the scraping of the inner wall of the heat absorption cylinder 3 by the scraper 701 is also convenient for cleaning the inner wall of the heat absorption cylinder 3.

[0027] As an implementation method in this embodiment, as Figure 2 and Figure 3 shown, the disassembly assembly includes a second spring 8, which is fixedly connected to the inner side end of the side groove 603. A fixing plate 801 is fixedly connected to the side end of the second spring 8. A slider 802 is fixedly connected to the side end of the fixing plate 801. The side end of the slider 802 penetrates to the outer side end of the rotating frame 6. The slider 802 is slidably connected in the sliding groove 301. A pulling plate 803 is fixedly connected to the side end of the slider 802. By pulling each pulling plate 803, at this time, the fixing plate 801 presses against the second spring 8 to contract, driving each slider 802 to disengage from the sliding groove 301. At this time, by pulling the rotating frame 6, the whole rotating frame 6 can be disassembled, which is convenient for disassembling the rotating frame 6, cleaning the sludge on the rotating frame 6, facilitating the subsequent rotation of the impeller to stir the sludge, cleaning the solidified sludge attached to the side end of the scraper 701, and thus improving the cleaning effect on the inner wall of the heat absorption cylinder 3.

[0028] Working principle: By pulling each pulling plate 803, at this time, the fixing plate 801 presses against the second spring 8 to contract, driving each slider 802 to disengage from the sliding groove 301. At this time, by pulling the rotating frame 6, the whole rotating frame 6 can be disassembled, which is convenient for disassembling the rotating frame 6, cleaning the sludge on the rotating frame 6, facilitating the subsequent rotation of the impeller to stir the sludge, cleaning the solidified sludge attached to the side end of the scraper 701, and thus improving the cleaning effect on the inner wall of the heat absorption cylinder 3.

[0029] Subsequently, each pull plate 803 is pulled in the same manner as described above. After the rectangular groove 601 is aligned with the rectangular plate 502 and inserted, the limiting of the rotating frame 6 is completed. Then, by loosening each pull plate 803, the second spring 8 presses against the fixed plate 801 and rebounds to drive the slider 802 to insert into the sliding groove 301, so as to fix the rotating frame 6. Due to the settings of the rectangular plate 502 and the slider 802, the rotating frame 6 can not only rotate normally, but also be conveniently disassembled and installed.

[0030] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it.

Claims

1. An external heater for sludge treatment, comprising a heat-insulating box (1), a heat-absorbing tube (3) fixedly installed inside the heat-insulating box (1), a heating component provided between the outer end of the heat-absorbing tube (3) and the outer top end of the heat-insulating box (1), and a switch component provided at the outer side end of the heat-insulating box (1), characterized in that: The inner wall of the heat absorbing tube (3) is provided with an annular sliding groove (301), a rotating assembly is provided between the inner side end and the outer side end of the heat absorbing tube (3), a rotating frame (6) is installed on the side end of the rotating assembly, a rectangular groove (601) is provided on the side end of the rotating frame (6), a plurality of mounting grooves (602) are provided inside the rotating frame (6), the side end of each mounting groove (602) is spaced apart with a side groove (603), a cleaning assembly is provided inside each mounting groove (602), and a disassembly assembly is provided inside each side groove (603).

2. The external heater for sludge treatment according to claim 1, characterized in that: The rotating assembly comprises a motor (5), the motor (5) being fixedly mounted on the outer side end of the heat absorbing tube (3), a rotating rod (501) being mounted on the output end of the motor (5), the rotating rod (501) penetrating into the interior of the heat absorbing tube (3), a rectangular plate (502) being fixedly connected to the side end of the rotating rod (501), and the rectangular plate (502) being adapted to the rectangular groove (601).

3. The external heater for sludge treatment according to claim 1, characterized in that: The disassembly assembly comprises a second spring (8), wherein the second spring (8) is fixedly connected to the inner side end of the side groove (603), the side end of the second spring (8) is fixedly connected to a fixing plate (801), the side end of the fixing plate (801) is fixedly connected to a sliding block (802), and the side end of the sliding block (802) passes through the outer side end of the rotating frame (6).

4. The external heater for sludge treatment according to claim 3, characterized in that: The slider (802) is slidably connected in the slide groove (301), and a pull plate (803) is fixedly connected to the side end of the slider (802).

5. The external heater for sludge treatment according to claim 1, characterized in that: The cleaning assembly comprises a plurality of springs (7), wherein the plurality of springs (7) are fixedly connected to the inner side ends of the mounting groove (602), and a scraper (701) is fixedly connected between the side ends of the plurality of springs (7).

6. The external heater for sludge treatment according to claim 1, characterized in that: The heating component comprises an energized coil (4) and a power source (401), wherein the energized coil (4) is mounted on the outer end of the heat absorbing tube (3), and the power source (401) is mounted on the outer top end of the heat-insulating box (1), and the energized coil (4) and the power source (401) are electrically connected.

7. The external heater for sludge treatment according to claim 1, characterized in that: The switch assembly comprises an electric push rod (2), the electric push rod (2) being fixedly mounted on the outer side end of the heat-insulating box (1), the top end of the electric push rod (2) being fixedly connected to a box door (201), the side end of the box door (201) being fixedly connected to a sealing ring (202), and the box door (201) being located at the side end of the tube mouth of the heat-absorbing tube (3).

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