Municipal sludge fermentation and deodorization device

Abstract

The utility model discloses a municipal sludge fermentation deodorization device, which comprises a fermentation tank, an odor absorption box, an auxiliary stirring assembly and a cleaning assembly, a first stirring motor is fixedly arranged on the top surface of the fermentation tank, and the output end of the first stirring motor extends into the fermentation tank and is provided with a first stirring blade. According to the stirring device, an auxiliary stirring assembly is arranged, a second stirring motor drives a cam to continuously rotate, the cam rotates to apply a downward acting force to a pulley, at the moment, a compression spring is extruded under the action of a first support, and the first support drives a movable rod to move downwards; and on the contrary, the compression spring is reset to drive the first bracket, the movable rod and the second stirring blade to move upwards, so that the sludge in the fermentation tank can be stirred up and down, the stirring range of the sludge in the fermentation tank is widened, and the stirring effect and efficiency of the sludge are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of sludge treatment, in particular to a municipal sludge fermentation and deodorization device. Background Art

[0002] At present, there are many methods for sludge treatment. Common treatment methods include sanitary landfill, drying, sludge incineration, etc. Comprehensive utilization treatment technologies include sludge aerobic composting, sludge anaerobic digestion, etc. The commonly used aerobic composting treatment technology is a comprehensive sludge treatment technology that is harmless, volume-reducing, and stabilized. It uses the action of aerobic thermophilic bacteria and thermophilic bacteria to decompose organic matter in the sludge to form a substance similar to humus soil. The heat generated during the metabolic process can increase the temperature of the pile layer to above 55°C, which can effectively kill pathogens, parasite eggs and viruses and increase the fertilizer content of the sludge.

[0003] The existing technology has the following problems:

[0004] After searching, Chinese Patent Publication No.: CN215196252U discloses a sludge deodorizing device, comprising a base, on both sides of the top of which a fermentation tank and a deodorizing liquid tank are fixedly mounted, a stirring assembly is arranged inside the fermentation tank, a deodorizing cylinder is fixedly mounted on the top of the deodorizing liquid tank, the interior of the deodorizing cylinder and the interior of the fermentation tank are sealed and connected with the same exhaust assembly, the inner walls on both sides of the deodorizing cylinder are fixedly mounted with the same hollow cylinder, and the outer fixed sleeve of the hollow cylinder is provided with two symmetrically arranged annular disks. This patent solves the shortcomings of the prior art sludge deodorizing device that the deodorizing steps are too few, the contact between the liquid and the gas after adsorption is insufficient, and the deodorizing effect is poor.

[0005] However, the above patent still has problems that need to be improved during actual use. The most obvious one is that the method of using a single stirring blade to stir the sludge in the fermentation tank does not have an ideal stirring effect on the sludge.

[0006] To this end, we proposed a municipal sludge fermentation and deodorization device to solve the above-mentioned drawbacks. Utility Model Content

[0007] The utility model aims to provide a municipal sludge fermentation and deodorization device in order to solve the shortcomings in the prior art.

[0008] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a municipal sludge fermentation and deodorization device, comprising a fermentation tank, an odor absorption box, an auxiliary stirring assembly and a cleaning assembly, a first stirring motor is fixedly installed on the top surface of the fermentation tank, and the output end of the first stirring motor extends to the fermentation tank and a first stirring blade is installed, an air outlet pipe is installed above one side surface of the fermentation tank, and the other end of the air outlet pipe is connected to the odor absorption box;

[0009] The auxiliary stirring assembly consists of a movable rod, a second stirring blade, a first bracket, a pulley, a compression spring, a second bracket, a second stirring motor and a cam. The first bracket is welded to one end of the movable rod, and the pulley is rotatably connected to the first bracket. The second stirring motor is installed on the top surface of the fermentation tank through the second bracket, and a cam is installed at the output end of the second stirring motor, and the cam is in rolling contact with the pulley. A compression spring is installed between the first bracket and the top surface of the fermentation tank, one end of the movable rod extends into the fermentation tank, and the second stirring blade is welded to the surface of the movable rod.

[0010] Preferably, the cleaning assembly consists of a cleaning pipe, a cleaning nozzle, a water inlet pipe and a water pump. The cleaning pipe is hoisted on the inner top surface of the fermentation tank, and the cleaning nozzle is obliquely installed on the surface of the cleaning pipe. The water pump is fixedly installed on the outer wall of the fermentation tank, and the water inlet pipe is installed at the water outlet end of the water pump, and the other end of the water inlet pipe is connected to the cleaning pipe.

[0011] Preferably, a feed hopper and a discharge pipe are respectively provided on the top surface and the bottom surface of the fermentation tank.

[0012] Preferably, a control panel is fixedly mounted on the outer wall of the fermentation tank, and the control panel is electrically connected to the first stirring motor, the water pump and the second stirring motor through wires.

[0013] Preferably, there are multiple cleaning nozzles, and the multiple cleaning nozzles are distributed in a circular array on the surface of the cleaning pipe.

[0014] Preferably, the angle between the plurality of cleaning nozzles and the cleaning pipe is 25°-45°.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. In the utility model, an auxiliary stirring component is provided, and the second stirring motor drives the cam to rotate continuously. The rotation of the cam applies a downward force to the pulley. At this time, the compression spring is squeezed by the action of the first bracket, and the first bracket drives the movable rod to move downward. At this time, the second stirring blade can move the sludge in the fermentation tank downward, and conversely, the compression spring resets to drive the first bracket, the movable rod and the second stirring blade to move upward, and so on and so forth, and the sludge in the fermentation tank can be moved up and down, thereby increasing the stirring range of the sludge in the fermentation tank, and improving the stirring effect and efficiency of the sludge.

[0017] 2. In the utility model, a cleaning component is provided, and the water inlet end of the water pump is connected to a water source. When the water pump works, the pressurized water can be sent into the water inlet pipe, and then sprayed out from the cleaning nozzle obliquely installed on the surface of the cleaning pipe. The sprayed high-pressure water flow can flush the fermentation tank, the first stirring blade and the second stirring blade, which is conducive to subsequent reuse. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 This is a schematic diagram of the structure of a municipal sludge fermentation and deodorization device proposed by the utility model;

[0020] Figure 2 for Figure 1 A is an enlarged schematic diagram;

[0021] Figure 3 It is a top view of the fermentation tank, the first stirring blade, the movable rod and the second stirring blade;

[0022] Figure 4 for Figure 1 A magnified schematic diagram of B.

[0023] Legend:

[0024] 1. Fermentation tank; 2. First stirring motor; 3. First stirring blade; 4. Feed hopper; 5. Auxiliary stirring assembly; 51. Movable rod; 52. Second stirring blade; 53. First bracket; 54. Pulley; 55. Compression spring; 56. Second bracket; 57. Second stirring motor; 58. Cam; 6. Cleaning assembly; 61. Cleaning pipe; 62. Cleaning nozzle; 63. Water inlet pipe; 64. Water pump; 7. Discharge pipe; 8. Control panel; 9. Exhaust pipe; 10. Odor absorption box. DETAILED DESCRIPTION

[0025] 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.

[0026] In the description of the present utility model, it should be noted that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present utility model; the terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance; in addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a communication between the two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0027] Please refer to Figure 1-4 A municipal sludge fermentation and deodorization device comprises a fermentation tank 1, an odor absorption box 10, an auxiliary stirring assembly 5 and a cleaning assembly 6, a first stirring motor 2 is fixedly installed on the top surface of the fermentation tank 1, and the output end of the first stirring motor 2 extends to the fermentation tank 1 and a first stirring blade 3 is installed, an air outlet pipe 9 is installed above one side surface of the fermentation tank 1, and the other end of the air outlet pipe 9 is connected to the odor absorption box 10;

[0028] The auxiliary stirring assembly 5 is composed of a movable rod 51, a second stirring blade 52, a first bracket 53, a pulley 54, a compression spring 55, a second bracket 56, a second stirring motor 57 and a cam 58. The first bracket 53 is welded to one end of the movable rod 51, and the pulley 54 is rotatably connected to the first bracket 53. The second stirring motor 57 is installed on the top surface of the fermenter 1 through the second bracket 56, and the output end of the second stirring motor 57 is installed with a cam 58, and the cam 58 is in rolling contact with the pulley 54. A compression spring 55 is installed between the first bracket 53 and the top surface of the fermenter 1. One end of the movable rod 51 extends into the fermenter 1, and the second stirring blade 52 is welded to the surface of the movable rod 51. First, the sludge enters the fermenter 1 through the feed hopper 4, and then the first stirring motor 2 and the second stirring motor 57 are started by using the control panel 8. The first stirring motor 2 drives the first stirring blade 3 to horizontally stir the sludge inside the fermenter 1. At the same time, the second stirring motor 57 The driving cam 58 rotates continuously, and the rotation of the cam 58 applies a downward force to the pulley 54. At this time, the compression spring 55 is squeezed by the action of the first bracket 53, and the first bracket 53 drives the movable rod 51 to move downward. At this time, the second stirring blade 52 can move the sludge in the fermentation tank 1 downward, and conversely, the compression spring 55 is reset to drive the first bracket 53, the movable rod 51 and the second stirring blade 52 to move upward, and so on and so forth, the sludge in the fermentation tank 1 can be moved up and down, thereby improving the stirring range of the sludge in the fermentation tank 1, and improving the stirring effect and efficiency of the sludge. It should be noted that the odor generated during the fermentation process enters the odor absorption box 10 through the outlet pipe 9 for treatment, and the odor absorption box 10 in this article is exactly the same as the structure and working principle of the odor absorption box recorded in the Chinese patent CN212741099U aerobic fermentation device for sludge treatment, and this article only quotes it without improving it.

[0029] In this embodiment: the cleaning component 6 is composed of a cleaning pipe 61, a cleaning nozzle 62, a water inlet pipe 63 and a water pump 64. The cleaning pipe 61 is hoisted on the inner top surface of the fermentation tank 1, and the cleaning nozzle 62 is obliquely installed on the surface of the cleaning pipe 61. The water pump 64 is fixedly installed on the outer wall of the fermentation tank 1, and the water inlet pipe 63 is installed at the water outlet end of the water pump 64, and the other end of the water inlet pipe 63 is connected to the cleaning pipe 61.

[0030] Specifically, after the fermentation and deodorization is completed, open the valve on the discharge pipe 7 (shown in the figure without serial number marking), connect the water source to the water inlet end of the water pump 64, and the water pump 64 can deliver the pressurized water into the water inlet pipe 63, and then spray it out from the cleaning nozzle 62 installed obliquely on the surface of the cleaning pipe 61. The ejected high-pressure water flow can flush the fermentation tank 1, the first stirring blade 3 and the second stirring blade 52, which is conducive to subsequent reuse.

[0031] In this embodiment: a feed hopper 4 and a discharge pipe 7 are respectively provided on the top and bottom surfaces of the fermentation tank 1 .

[0032] Specifically, mud can be introduced and discharged.

[0033] In this embodiment: a control panel 8 is fixedly mounted on the outer wall of the fermentation tank 1 , and the control panel 8 is electrically connected to the first stirring motor 2 , the water pump 64 and the second stirring motor 57 through wires.

[0034] Specifically, it is a common control circuit connection structure, which will not be described in detail here.

[0035] In this embodiment, a plurality of cleaning nozzles 62 are provided, and the plurality of cleaning nozzles 62 are distributed on the surface of the cleaning pipe 61 in a circular array.

[0036] Specifically, the cleaning effect and efficiency of the fermentation tank 1 are improved, and sludge is not likely to remain in the fermentation tank 1 after sludge discharge.

[0037] In this embodiment, the angle between the plurality of cleaning nozzles 62 and the cleaning pipe 61 is 25°-45°.

[0038] Specifically, the ejected high-pressure water flow can be sprayed onto the inner wall of the fermentation tank 1 .

[0039] In this embodiment: the controller is an existing structure, and the control circuit can be implemented by simple programming by technicians in this field. It belongs to the common knowledge in this field. It is only used without modification, so the control method and circuit connection are not described in detail.

[0040] Working principle: When in use, first let the sludge enter the fermentation tank 1 through the feed hopper 4, then use the control panel 8 to start the first stirring motor 2 and the second stirring motor 57, the first stirring motor 2 drives the first stirring blade 3 to stir the sludge inside the fermentation tank 1 horizontally, and at the same time the second stirring motor 57 drives the cam 58 to rotate continuously, the rotation of the cam 58 applies a downward force to the pulley 54, at this time the compression spring 55 is squeezed by the action of the first bracket 53, and the first bracket 53 drives the movable rod 51 to move downward, at this time the second stirring blade 52 can move the sludge in the fermentation tank 1 downward, on the contrary the compression spring 55 resets to drive the first bracket 53, the movable rod 51 and the second stirring blade 52 to move upward, and so on and so forth, the sludge in the fermentation tank 1 can be moved up and down, thereby improving the stirring range of the sludge in the fermentation tank 1. The stirring effect and efficiency of the sludge are improved. It should be noted that the odor generated during the fermentation process enters the odor absorption box 10 through the outlet pipe 9 for treatment, and the odor absorption box 10 in this article is exactly the same as the structure and working principle of the odor absorption box recorded in the Chinese patent CN212741099U aerobic fermentation device for sludge treatment. This article only quotes it and does not improve it. After the fermentation and deodorization is completed, open the valve on the discharge pipe 7 (shown in the figure without serial number marking), and the water inlet end of the water pump 64 is connected to the water source. The water pump 64 can send the pressurized water into the water inlet pipe 63, and then spray it out from the cleaning nozzle 62 installed obliquely on the surface of the cleaning pipe 61. The ejected high-pressure water flow can flush the fermentation tank 1, the first stirring blade 3 and the second stirring blade 52, which is conducive to subsequent reuse.

[0041] It should be noted that the models and specifications of the first stirring motor 2, the water pump 64 and the second stirring motor 57 need to be selected and determined according to the actual specifications of the device, etc. The specific selection and calculation method adopts the existing technology in this field, so it will not be described in detail.

[0042] The power supply and principle of the first stirring motor 2, the water pump 64 and the second stirring motor 57 are clear to those skilled in the art and will not be described in detail here.

[0043] 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 municipal sludge fermentation and deodorization device, comprising a fermentation tank (1), an odor absorption box (10), an auxiliary stirring component (5) and a cleaning component (6), characterized in that: A first stirring motor (2) is fixedly mounted on the top surface of the fermentation tank (1), and an output end of the first stirring motor (2) extends into the fermentation tank (1) and is mounted with a first stirring blade (3); an air outlet pipe (9) is mounted above one side surface of the fermentation tank (1), and the other end of the air outlet pipe (9) is connected to an odor absorption box (10); The auxiliary stirring assembly (5) is composed of a movable rod (51), a second stirring blade (52), a first bracket (53), a pulley (54), a compression spring (55), a second bracket (56), a second stirring motor (57) and a cam (58); one end of the movable rod (51) is welded with the first bracket (53), and the pulley (54) is rotatably connected to the first bracket (53); the second stirring motor (57) is installed on the top surface of the fermentation tank (1) through the second bracket (56), and the cam (58) is installed at the output end of the second stirring motor (57), and the cam (58) and the pulley (54) are rollingly abutted; a compression spring (55) is installed between the first bracket (53) and the top surface of the fermentation tank (1); one end of the movable rod (51) extends into the fermentation tank (1), and the surface of the movable rod (51) is welded with the second stirring blade (52).

2. The municipal sludge fermentation and deodorization device according to claim 1, characterized in that: The cleaning assembly (6) is composed of a cleaning pipe (61), a cleaning nozzle (62), a water inlet pipe (63) and a water pump (64); the cleaning pipe (61) is hoisted on the inner top surface of the fermentation tank (1), and the cleaning nozzle (62) is obliquely installed on the surface of the cleaning pipe (61); the water pump (64) is fixedly installed on the outer wall of the fermentation tank (1), and the water inlet pipe (63) is installed at the water outlet end of the water pump (64), and the other end of the water inlet pipe (63) is connected to the cleaning pipe (61).

3. The municipal sludge fermentation and deodorization device according to claim 1, characterized in that: The top surface and bottom surface of the fermentation tank (1) are respectively provided with a feed hopper (4) and a discharge pipe (7).

4. The municipal sludge fermentation and deodorization device according to claim 1, characterized in that: A control panel (8) is fixedly mounted on the outer wall of the fermentation tank (1), and the control panel (8) is electrically connected to the first stirring motor (2), the water pump (64) and the second stirring motor (57) via wires.

5. The municipal sludge fermentation and deodorization device according to claim 2, characterized in that: A plurality of cleaning nozzles (62) are provided, and the plurality of cleaning nozzles (62) are distributed in a circular array on the surface of the cleaning pipe (61).

6. The municipal sludge fermentation and deodorization device according to claim 5, characterized in that: The angle between the plurality of cleaning nozzles (62) and the cleaning pipe (61) is 25°-45°.

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