A kind of water-containing sludge thermal hydrolysis drying device

Abstract

The utility model belongs to the technical field of sludge treatment, and is particularly a device for thermal hydrolysis and drying of water-containing sludge, comprising a device body, a base fixedly installed at the bottom of the device body, a feed air inlet provided at the top of the device body, an exhaust port provided at the top of the device body, a discharge port provided at the bottom of the device body, a stirring device provided on the device body, a connecting rod fixedly connected to the stirring device, a cleaning brush plate fixedly installed at one end of the connecting rod, a cleaning mechanism provided inside the device body, and a control panel fixedly installed on the front of the device body. The utility model is convenient for effective cleaning of the inside of the device body by setting a shunt pipe, a nozzle and a water inlet for coordinated use, and is convenient for effective cleaning of the inner wall of the device body by setting a connecting rod and a cleaning brush plate for coordinated use, which can improve its cleaning effect, facilitate better subsequent long-term work use, and further improve its structural practicality and functionality.

Description

Technical Field

[0001] The utility model relates to the technical field of sludge treatment, in particular to a device for thermal hydrolysis and drying of water-containing sludge. Background Art

[0002] Sludge is a product of sewage treatment. It is an extremely complex heterogeneous body composed of organic debris, bacterial cells, inorganic particles, colloids, etc. The main characteristics of sludge are high water content (up to 99% or more), high organic content, easy to rot and stink, fine particles, low specific gravity, and colloidal liquid. It is a thick substance between liquid and solid, which can be transported by pumps, but it is difficult to separate solids and liquids by sedimentation. Water-containing sludge is a common waste. Due to its high water content and the presence of organic matter, its treatment and disposal has become an important environmental issue. Thermal hydrolysis drying is an effective treatment method that can convert water-containing sludge into a dry product that can be used for energy or fertilizer.

[0003] The prior art has the following problems:

[0004] The existing thermal hydrolysis and drying device for aqueous sludge has a relatively simple overall device structure, and its structural functionality and stirring mechanism are relatively simple, which easily leads to low mixing efficiency of steam and sludge, making it inconvenient to fully thermally hydrolyze the sludge, resulting in low working efficiency. After the work is completed, it is not convenient to quickly and effectively clean the inside of the equipment body, resulting in certain limitations in subsequent work use. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a device for thermal hydrolysis and drying of aqueous sludge, which solves the problems that the overall structure of the existing device is relatively simple, the structural functionality and the stirring mechanism are relatively simple, which easily leads to low mixing efficiency of steam and sludge, making it inconvenient to fully thermally hydrolyze the sludge, resulting in low working efficiency. After the work is completed, it is not convenient to quickly and effectively clean the inside of the equipment body, resulting in certain limitations in subsequent work use.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a water-containing sludge thermal hydrolysis drying device, comprising an equipment body, a base is fixedly installed at the bottom of the equipment body, a feed air inlet is arranged at the top of the equipment body, an exhaust port is arranged at the top of the equipment body, a discharge port is arranged at the bottom of the equipment body, a stirring device is arranged on the equipment body, a connecting rod is fixedly connected to the stirring device, a cleaning brush plate is fixedly installed at one end of the connecting rod, a cleaning mechanism is arranged inside the equipment body, and a control panel is fixedly installed on the front of the equipment body.

[0007] As a preferred technical solution of the utility model, a through hole is provided on the base, the discharge port is connected with the through hole, and a control valve is provided on the discharge port.

[0008] As a preferred technical solution of the utility model, the feed air inlet and the exhaust port are evenly and symmetrically distributed on the top of the equipment body.

[0009] As a preferred technical solution of the utility model, the stirring device includes a stirring motor, a driving wheel, a first stirring mechanism, a driven wheel and a second stirring mechanism. The stirring motor is fixedly installed on the top of the equipment body, a driving wheel is provided at one end of the stirring motor, and the first stirring mechanism is fixedly connected to one end of the driving wheel. A driven wheel is provided on one side of the driving wheel, and the second stirring mechanism is fixedly connected to one end of the driven wheel. The stirring motor is electrically connected to the control panel through a wire, the size of the driving wheel is meshed with the size of the driven wheel, the driving wheel is rotatably connected to the driven wheel, and the first stirring mechanism and the second stirring mechanism have the same structure.

[0010] As a preferred technical solution of the utility model, the connecting rod is fixedly connected to the first stirring mechanism, and two cleaning brush plates are provided, and the cleaning brush plates are evenly and symmetrically distributed at one end of the connecting rod.

[0011] As a preferred technical solution of the utility model, the cleaning mechanism includes a diverter pipe, a nozzle and a water inlet. The diverter pipe is fixedly installed on the top of the inner wall of the equipment body, a nozzle is arranged at the bottom of the diverter pipe, and a water inlet is arranged on one side of the equipment body. There are several nozzles, and the nozzles are evenly and symmetrically distributed at the bottom of the diverter pipe.

[0012] As a preferred technical solution of the utility model, two water inlets are provided, the water inlets are symmetrically distributed on both sides of the equipment body, and the water inlets are connected to the diversion pipe.

[0013] Compared with the prior art, the utility model provides a water-containing sludge thermal hydrolysis drying device, which has the following beneficial effects:

[0014] 1. The device for thermal hydrolysis and drying of aqueous sludge is used in coordination with a stirring motor, a driving wheel, a first stirring mechanism, a driven wheel and a second stirring mechanism. By driving the stirring motor to work, the driving wheel can be rotated to drive the first stirring mechanism to rotate, so as to fully mix the sludge and steam. At the same time, the driven wheel and the second stirring mechanism can be rotated by rotating the driving wheel, so as to further improve the uniformity of mixing, facilitate sufficient thermal hydrolysis of the sludge, and improve the working efficiency and the practicality and functionality of the overall device structure.

[0015] 2. This water-containing sludge thermal hydrolysis drying device is used in conjunction with a diverter pipe, a nozzle and a water inlet. Clean water is injected into the water inlet and sprayed out through the water guide pipe and the nozzle, which is convenient for effectively cleaning the inside of the equipment body. It is used in conjunction with a connecting rod and a cleaning brush plate. The cleaning brush plate can be driven to rotate by rotating the first stirring mechanism, which is convenient for effectively cleaning the inner wall of the equipment body, and can improve its cleaning effect, facilitate better subsequent long-term work use, and can further improve its structural practicality and functionality. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the cross-sectional structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the first stirring mechanism of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the shunt pipe of the utility model;

[0019] Figure 4 It is a schematic diagram of the three-dimensional structure of the main body of the utility model.

[0020] In the figure: 1. Equipment body; 2. Base; 3. Feed air inlet; 4. Exhaust port; 5. Discharge port; 6. Stirring device; 601. Stirring motor; 602. Driving wheel; 603. First stirring mechanism; 604. Driven wheel; 605. Second stirring mechanism; 7. Connecting rod; 8. Cleaning brush plate; 9. Cleaning mechanism; 901. Diverter pipe; 902. Nozzle; 903. Water inlet; 10. Control panel. DETAILED DESCRIPTION

[0021] 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.

[0022] See also Figure 1-4In this embodiment: a water-containing sludge thermal hydrolysis drying device comprises an equipment body 1, a base 2 is fixedly installed at the bottom of the equipment body 1, which is convenient for installing the equipment body 1, a feed air inlet 3 is arranged at the top of the equipment body 1, which is convenient for injecting sludge and steam, an exhaust port 4 is arranged at the top of the equipment body 1, which is convenient for discharging steam, and a discharge port 5 is arranged at the bottom of the equipment body 1, which is convenient for discharging sludge, and is characterized in that: a stirring device 6 is arranged on the equipment body 1, which is convenient for mixing and stirring, a connecting rod 7 is fixedly connected to the stirring device 6, which is convenient for connecting a cleaning brush plate 8, and a cleaning brush plate 8 is fixedly installed at one end of the connecting rod 7, which is convenient for cleaning the inner wall of the equipment body 1, a cleaning mechanism 9 is arranged inside the equipment body 1, which is convenient for cleaning the inside of the equipment body 1, and a control panel 10 is fixedly installed on the front of the equipment body 1, which is convenient for controlling the overall device.

[0023] In this embodiment, a through hole is provided on the base 2, and the discharge port 5 is connected to the through hole. A control valve is provided on the discharge port 5 to facilitate the discharge of sludge and collection; the feed air inlet 3 and the exhaust port 4 are evenly and symmetrically distributed on the top of the equipment body 1, which is convenient for injecting steam and discharging steam, and is convenient for work and use; the stirring device 6 includes a stirring motor 601, a driving wheel 602, a first stirring mechanism 603, a driven wheel 604 and a second stirring mechanism 605, the stirring motor 601 is fixedly installed on the top of the equipment body 1, a driving wheel 602 is provided at one end of the stirring motor 601, and the first stirring mechanism 603 is fixedly connected to one end of the driving wheel 602, a driven wheel 604 is provided on one side of the driving wheel 602, and the second stirring mechanism 605 is fixedly connected to one end of the driven wheel 604, the stirring motor 601 is electrically connected to the control panel 10 through a wire, the size of the driving wheel 602 is meshed with the size of the driven wheel 604, the driving wheel 602 is rotatably connected to the driven wheel 604, the first stirring mechanism 603 is connected to the first stirring mechanism 603, and the second stirring mechanism 605 is fixedly connected to the second stirring mechanism 605. The two stirring mechanisms 605 have the same structure, which is convenient for mixing and stirring to make the mixing more uniform; the connecting rod 7 is fixedly connected to the first stirring mechanism 603, and two cleaning brush plates 8 are provided, which are evenly and symmetrically distributed at one end of the connecting rod 7, which is convenient for cleaning the inner wall of the equipment body 1 and convenient for subsequent better work and use; the cleaning mechanism 9 includes a shunt pipe 901, a nozzle 902 and a water inlet 903, the shunt pipe 901 is fixedly installed on the top of the inner wall of the equipment body 1, the bottom of the shunt pipe 901 is provided with a nozzle 902, and one side of the equipment body 1 is provided with a water inlet 903, and the nozzles 902 are provided with a plurality of nozzles, and the nozzles 902 are evenly and symmetrically distributed at the bottom of the shunt pipe 901, which is convenient for cleaning the inside of the equipment body 1 and making it clean more thoroughly; there are two water inlets 903, which are symmetrically distributed on both sides of the equipment body 1, and the water inlet 903 is connected to the shunt pipe 901, which is convenient for injecting clean water and convenient for cleaning the inside of the equipment body 1.

[0024] The working principle and use process of the utility model are as follows: the operator adds sludge to the feed air inlet 3 and injects steam at the same time, and drives the stirring device 6 to work, so that the sludge and steam can be fully mixed and stirred to make the mixing reaction more uniform. After the work is completed, the exhaust port 4 and the discharge port 5 can be opened to facilitate the discharge of internal steam and sludge. Clean water is injected through the water inlet 903, and the inner wall of the equipment body 1 can be effectively cleaned through the diverter pipe 901 and the nozzle 902. The first stirring mechanism 603 is rotated to drive the connecting rod 7 and the cleaning brush plate 8 to effectively clean the inner wall of the equipment body 1, so that the cleaning is more thorough.

[0025] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A water-containing sludge thermal hydrolysis drying device, comprising an equipment body (1), a base (2) fixedly mounted at the bottom of the equipment body (1), a feed air inlet (3) arranged at the top of the equipment body (1), an exhaust port (4) arranged at the top of the equipment body (1), and a discharge port (5) arranged at the bottom of the equipment body (1), characterized in that: The device body (1) is provided with a stirring device (6), the stirring device (6) is fixedly connected to a connecting rod (7), one end of the connecting rod (7) is fixedly mounted with a cleaning brush plate (8), a cleaning mechanism (9) is arranged inside the device body (1), and a control panel (10) is fixedly mounted on the front of the device body (1).

2. The device for thermal hydrolysis and drying of aqueous sludge according to claim 1, characterized in that: The base (2) is provided with a through hole, the discharge port (5) is connected to the through hole, and a control valve is provided on the discharge port (5).

3. The device for thermal hydrolysis and drying of aqueous sludge according to claim 1, characterized in that: The feed air inlet (3) and the air outlet (4) are evenly and symmetrically distributed on the top of the equipment body (1).

4. The device for thermal hydrolysis and drying of aqueous sludge according to claim 1, characterized in that: The stirring device (6) comprises a stirring motor (601), a driving wheel (602), a first stirring mechanism (603), a driven wheel (604) and a second stirring mechanism (605); the stirring motor (601) is fixedly mounted on the top of the device body (1); a driving wheel (602) is arranged at one end of the stirring motor (601); one end of the driving wheel (602) is fixedly connected to the first stirring mechanism (603); a driven wheel (604) is arranged at one side of the driving wheel (602); one end of the driven wheel (604) is fixedly connected to the second stirring mechanism (605); the stirring motor (601) is electrically connected to the control panel (10) via a wire; the size of the driving wheel (602) is meshed with the size of the driven wheel (604); the driving wheel (602) and the driven wheel (604) are rotatably connected; the first stirring mechanism (603) and the second stirring mechanism (605) have the same structure.

5. The device for thermal hydrolysis and drying of aqueous sludge according to claim 1, characterized in that: The connecting rod (7) is fixedly connected to the first stirring mechanism (603), and two cleaning brush plates (8) are provided, and the cleaning brush plates (8) are evenly and symmetrically distributed at one end of the connecting rod (7).

6. The device for thermal hydrolysis and drying of aqueous sludge according to claim 1, characterized in that: The cleaning mechanism (9) comprises a shunt pipe (901), a nozzle (902) and a water inlet (903); the shunt pipe (901) is fixedly mounted on the top of the inner wall of the device body (1); a nozzle (902) is arranged at the bottom of the shunt pipe (901); a water inlet (903) is arranged on one side of the device body (1); a plurality of nozzles (902) are arranged, and the nozzles (902) are evenly and symmetrically distributed at the bottom of the shunt pipe (901).

7. The device for thermal hydrolysis and drying of aqueous sludge according to claim 6, characterized in that: Two water inlets (903) are provided, and the water inlets (903) are symmetrically distributed on both sides of the equipment body (1), and the water inlets (903) are connected to the diversion pipe (901).

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