Heat recovery type sludge fermentation tower

Abstract

The utility model relates to the technical field of sludge fermentation towers, in particular to a heat recovery type sludge fermentation tower which comprises a tank body, and a sieve shaking mechanism is arranged at the bottom of the tank body. The sieve shaking mechanism comprises a sliding chute, a sliding block, a spring, a conical hopper, a movable frame, a fixed frame, a motor, a transmission shaft, a bracket and a roller; the sliding grooves are formed in the left side and the right side of the inner wall of the tank body, the sliding blocks are slidably connected into the sliding grooves, the top ends of the springs are fixedly connected with the bottom ends of the sliding blocks, the motor is started to drive the transmission shaft to rotate, the transmission shaft rotates to drive the conical hopper to move downwards and compress the springs, then the springs rebound to drive the conical hopper to move upwards, and the operation is repeated. And the conical hopper reciprocates up and down to form a shaking sieve, and stones in the sludge are filtered through the filter holes in the bottom, so that equipment damage caused by blockage of the stones to the discharge pipe can be avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of sludge fermentation towers, in particular to a heat recovery type sludge fermentation tower. Background Art

[0002] Most of the current urban sludge treatment technologies are biological fermentation, which is converted into fertilizers that are beneficial to agricultural production. The fermentation process of aerobic decomposition of organic matter in sludge is a key component of the entire composting system. The materials have provided the prerequisites for high fermentation rates through pretreatment systems and equipment - qualified raw materials, including high organic value content, particle size of about 50mm, reasonable C / N ratio, suitable moisture content, etc. The entire fermentation process includes ventilation, temperature control, compost turning, moisture control, harmless control, compost maturity, etc. As a fermentation equipment, it should not only meet the process requirements as much as possible, but also realize mechanized large-scale production.

[0003] The patent with patent announcement number CN215799085U discloses a heat recovery type sludge fermentation tower, including a tower body and a fermentation area, an arc-shaped top cover is installed on the top of the tower body, a fixed plate is arranged between the arc-shaped top cover and the tower body, a feed pipe is fixedly connected to the outer walls of the tower body on opposite sides, one end of the feed pipe passes through the side wall of the tower body, and the other end is fixedly connected to a feed funnel, a connecting plate is fixedly connected between the inner walls of the two sides of the tower body, a vertical cylinder is fixedly connected between the top end of the connecting plate and the bottom end of the fixed plate, a discharge port is opened inside the side of the connecting plate close to the vertical cylinder, a baffle is slidably arranged at the bottom end of the discharge port, a heat conduction pipe is arranged in the vertical cylinder, and a heat dissipation through hole is opened on the outer surface of the vertical cylinder. The utility model, by arranging a heat recovery device, preheats the sludge before fermentation with the heat generated by sludge fermentation, shortens the sludge fermentation time, and is convenient for putting into use. The above patent has the following shortcomings: although the patent can ferment the sludge, it cannot filter the mixed stones in the sludge before the sludge is put into the tank. These stones may cause the discharge pipe to be blocked during discharge, thereby causing damage to the equipment. In view of this, we propose a heat recovery type sludge fermentation tower. Utility Model Content

[0004] The utility model aims to provide a heat recovery type sludge fermentation tower to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A heat recovery type sludge fermentation tower comprises a tank body, wherein a shaking screen mechanism is arranged inside the tank body;

[0007] The shaking screen mechanism includes a slide, a slider, a spring, a conical bucket, a movable frame, a fixed frame, a motor, a transmission shaft, a bracket, and a roller;

[0008] The slide groove is opened on the left and right sides of the inner wall of the tank body, the slider is slidably connected inside the slide groove, the top end of the spring is fixedly connected to the bottom end of the slider, the bottom end of the spring is fixedly connected to the bottom inner wall of the slide groove, the conical bucket is fixedly connected between the two sliders, and a filter hole is provided at the bottom of the conical bucket. The movement of the slider is limited by setting the slide groove.

[0009] Preferably, the movable frame is fixedly connected to the top of the conical bucket, the fixed frame is fixedly connected to the top of the tank body, the motor is fixedly connected to the top of the fixed frame, the rear end of the transmission shaft is fixedly connected to the front output end of the motor, the bracket is fixedly connected to the transmission shaft, and the roller is fixedly connected to the bracket.

[0010] Preferably, a heat recovery mechanism is provided inside the tank body, and the heat recovery mechanism includes a funnel, and the funnel is fixedly connected to the inner wall of the tank body through a cross bar. The funnel is arranged at the bottom of the conical hopper, and the cross bar is provided to provide support force for the funnel.

[0011] Preferably, an air inlet pipe is provided through the right outer wall of the tank body, the right end of the air inlet pipe is fixedly connected to an air pump, the air pump is fixedly connected to the right outer wall of the tank body, one end of the air pump is fixedly connected to an annular tube, the annular tube is wound around the outside of the tank body, the top of the annular tube is fixedly connected to an air outlet pipe, the middle part of the air outlet pipe passes through the tank body and the funnel in sequence, and the tank body is insulated by the annular tube and the hot air inside the annular tube.

[0012] Preferably, a transverse groove is provided on the inner wall of the bottom of the tank body, and a heater is provided inside the transverse groove, so that the sludge inside the tank body is assisted in fermentation.

[0013] Preferably, the outer wall of the tank body is fixedly connected with a support leg, and the bottom of the tank body is fixedly connected with a discharge pipe.

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

[0015] 1. Turn on the motor to drive the transmission shaft to rotate. The rotation of the transmission shaft drives the conical bucket to move downward and compress the spring. Then the spring rebounds and drives the conical bucket upward. This process repeats itself. The conical bucket moves up and down to form a shaking screen. The stones in the sludge are filtered through the filter holes at the bottom, thereby preventing the stones from clogging the discharge pipe and causing damage to the equipment.

[0016] 2. By turning on the air pump, the hot air in the tank is pumped from the air inlet pipe into the annular pipe, then pumped into the air outlet pipe through the annular pipe, and finally into the funnel through the air outlet pipe to preheat the sludge in the funnel. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0018] Figure 2 It is a schematic diagram of the back structure of the utility model;

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

[0020] Figure 4 It is an enlarged view of area A in the utility model.

[0021] In the figure: 1. tank body; 2. shaking screen mechanism; 3. heat recovery mechanism; 4. supporting legs; 5. discharge pipe; 6. heater; 21. slide chute; 22. slider; 23. spring; 24. conical bucket; 25. movable frame; 26. fixed frame; 27. motor; 28. transmission shaft; 29. ​​bracket; 210. roller; 31. funnel; 32. air inlet pipe; 33. air pump; 34. annular pipe; 35. air outlet pipe. DETAILED DESCRIPTION

[0022] 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.

[0023] Embodiment 1

[0024] like Figure 1-4As shown, a heat recovery type sludge fermentation tower includes a tank body 1, and a shaking screen mechanism 2 is arranged inside the tank body 1; the shaking screen mechanism 2 includes a chute 21, a slider 22, a spring 23, a conical bucket 24, a movable frame 25, a fixed frame 26, a motor 27, a transmission shaft 28, a bracket 29, and a roller 210; the chute 21 is opened on the left and right sides of the inner wall of the tank body 1, the slider 22 is slidably connected inside the chute 21, the top of the spring 23 is fixedly connected to the bottom of the slider 22, the bottom of the spring 23 is fixedly connected to the bottom inner wall of the chute 21, the conical bucket 24 is fixedly connected between the two sliders 22, and the bottom of the conical bucket 24 is provided with a filter hole. The movement of the slider 22 is limited by setting the chute 21. The movable frame 25 is fixedly connected to the top of the conical bucket 24, the fixed frame 26 is fixedly connected to the top of the tank body 1, the motor 27 is fixedly connected to the top of the fixed frame 26, the rear end of the transmission shaft 28 is fixedly connected to the front output end of the motor 27, the bracket 29 is fixedly connected to the transmission shaft 28, and the roller 210 is fixedly connected to the bracket 29.

[0025] In this embodiment, the sludge to be fermented is first put into the conical bucket 24, and then the motor 27 is turned on to drive the transmission shaft 28 to rotate, the rotation of the transmission shaft 28 drives the bracket 29 to rotate, and the rotation of the bracket 29 drives the roller 210 to rotate. During the rotation of the roller 210, the movable frame 25 is pressed down, and the movable frame 25 moves downward to drive the conical bucket 24 to move downward and compress the spring 23. Then the spring 23 rebounds and drives the conical bucket 24 to move upward, and so on. The conical bucket 24 moves back and forth up and down, and forms a shaking screen to filter the stones in the sludge through the filter holes at the bottom.

[0026] Embodiment 2

[0027] like Figure 1-4 As shown, a heat recovery mechanism 3 is provided inside the tank body 1, and the heat recovery mechanism 3 includes a funnel 31, which is fixedly connected to the inner wall of the tank body 1 through a cross bar, and the funnel 31 is arranged at the bottom of the conical hopper 24. The cross bar is provided to provide support for the funnel 31. An air inlet pipe 32 is provided through the right outer wall of the tank body 1, and an air pump 33 is fixedly connected to the right end of the air inlet pipe 32. The air pump 33 is fixedly connected to the right outer wall of the tank body 1, and one end of the air pump 33 is fixedly connected to an annular pipe 34, which is wound around the outside of the tank body 1, and an air outlet pipe 35 is fixedly connected to the top of the annular pipe 34. The middle part of the air outlet pipe 35 passes through the tank body 1 and the funnel 31 in sequence. The tank body 1 is kept warm by providing the annular pipe 34 and the hot air inside it. A transverse groove is provided on the bottom inner wall of the tank body 1, and a heater 6 is provided inside the transverse groove. The sludge inside the tank body 1 is assisted in fermentation by providing the heater 6. The outer wall of the tank body 1 is fixedly connected with a support leg 4 , and the bottom of the tank body 1 is fixedly connected with a discharge pipe 5 .

[0028] In this embodiment, by turning on the air pump 33, the hot air in the tank body 1 is pumped from the air inlet pipe 32 into the annular pipe 34, then pumped into the air outlet pipe 35 through the annular pipe 34, and finally passed into the funnel 31 through the air outlet pipe 35, and the sludge in the funnel 31 is preheated.

[0029] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A heat recovery sludge fermentation tower, characterized in that: include: A tank body (1), wherein a shaking screen mechanism (2) is arranged inside the tank body (1); The shaking screen mechanism (2) comprises a slide groove (21), a slider (22), a spring (23), a conical bucket (24), a movable frame (25), a fixed frame (26), a motor (27), a transmission shaft (28), a bracket (29), and a roller (210); The slide groove (21) is provided on the left and right sides of the inner wall of the tank body (1); the slider (22) is slidably connected inside the slide groove (21); the top end of the spring (23) is fixedly connected to the bottom end of the slider (22); the bottom end of the spring (23) is fixedly connected to the bottom inner wall of the slide groove (21); the conical bucket (24) is fixedly connected between the two sliders (22); and a filter hole is provided at the bottom of the conical bucket (24).

2. A heat recovery sludge fermentation tower according to claim 1, characterized in that: The movable frame (25) is fixedly connected to the top of the conical bucket (24), the fixed frame (26) is fixedly connected to the top of the tank body (1), the motor (27) is fixedly connected to the top of the fixed frame (26), the rear end of the transmission shaft (28) is fixedly connected to the front output end of the motor (27), the bracket (29) is fixedly connected to the transmission shaft (28), and the roller (210) is fixedly connected to the bracket (29).

3. A heat recovery sludge fermentation tower according to claim 2, characterized in that: A heat recovery mechanism (3) is arranged inside the tank body (1), and the heat recovery mechanism (3) comprises a funnel (31). The funnel (31) is fixedly connected to the inner wall of the tank body (1) via a cross bar, and the funnel (31) is arranged at the bottom of the conical bucket (24).

4. A heat recovery sludge fermentation tower according to claim 3, characterized in that: An air inlet pipe (32) is provided through the right outer wall of the tank body (1), the right end of the air inlet pipe (32) is fixedly connected to an air pump (33), the air pump (33) is fixedly connected to the right outer wall of the tank body (1), one end of the air pump (33) is fixedly connected to an annular pipe (34), the annular pipe (34) is wound around the outside of the tank body (1), the top end of the annular pipe (34) is fixedly connected to an air outlet pipe (35), the middle part of the air outlet pipe (35) passes through the tank body (1) and the funnel (31) in sequence.

5. A heat recovery sludge fermentation tower according to claim 4, characterized in that: The inner wall of the bottom of the tank body (1) is provided with a transverse groove, and a heater (6) is arranged inside the transverse groove.

6. A heat recovery sludge fermentation tower according to claim 5, characterized in that: The outer wall of the tank body (1) is fixedly connected to a support leg (4), and the bottom of the tank body (1) is fixedly connected to a discharge pipe (5).

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