A biogas dehydration device

Abstract

The utility model discloses a biogas dehydration device, comprising a working bin and a driving mechanism; the working bin: the upper end of the working bin is rotatably connected with symmetrically distributed rotating columns through bearings, the lower ends of the rotating columns are fixedly connected with connecting plates, the two connecting plates are always in a horizontal and vertical state, the lower ends of the connecting plates are fixedly connected with symmetrically distributed stirring rods, the middle parts of the stirring rods are provided with propeller blades, the upper end of the working bin is provided with a driving bin, and the outer surface of the working bin is provided with a bracket; the driving mechanism is arranged inside the driving bin, the upper ends of the rotating columns are fixedly connected with the lower end of the driving mechanism, a control box is arranged at the left end of the front side surface of the bracket, a PLC controller is arranged on the inner wall of the control box, and the input end of the PLC controller is electrically connected to an external power supply, the biogas dehydration device can realize full and efficient mixing of biogas and dehydration solvent, thereby realizing efficient dehydration of biogas, and effectively improving the biogas dehydration efficiency of the biogas dehydration device.

Description

Technical Field

[0001] The utility model relates to the technical field of biogas power generation, in particular to a biogas dehydration device. Background Art

[0002] Biogas is a mixed gas produced by the fermentation of organic matter under anaerobic conditions by microorganisms. Biogas, as the name suggests, is the gas in the swamp. People often see bubbles coming out of swamps, sewage ditches or manure pits. If we strike a match, we can ignite it. This is the natural biogas in nature. Since this gas was first discovered in swamps, it is called biogas. Various organic matter such as human and animal feces, straw, sewage, etc. are fermented under anaerobic conditions in a closed biogas tank and decomposed and transformed by a wide variety of biogas fermentation microorganisms to produce biogas.

[0003] Some existing biogas dehydration devices use a passive contact method between biogas and dehydration solvent to dehydrate biogas;

[0004] There are some problems now, such as the passive contact mode between biogas and dehydration solvent, which may limit the effective contact area between biogas and dehydration solvent, which may affect the dehydration effect of biogas, and further affect the dehydration efficiency of biogas dehydration device. Utility Model Content

[0005] The technical problem to be solved by the utility model is to overcome the existing defects and provide a biogas dehydration device that can achieve sufficient and efficient mixing of biogas and dehydration solvent, thereby achieving efficient dehydration of biogas, effectively improving the biogas dehydration efficiency of the biogas dehydration device, and can effectively solve the problems in the background technology.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a biogas dehydration device, comprising a working chamber and a driving mechanism;

[0007] Working chamber: The upper end of the working chamber is rotatably connected to a symmetrically distributed rotating column through a bearing, the lower end of the rotating column is fixedly connected to a connecting plate, the two connecting plates are always in a horizontal and vertical state, the lower ends of the connecting plates are fixedly connected to symmetrically distributed stirring rods, the middle parts of the stirring rods are provided with propeller blades, the upper end of the working chamber is provided with a driving chamber, and the outer surface of the working chamber is provided with a bracket;

[0008] Driving mechanism: It is arranged inside the driving bin, and the upper end of the rotating column is fixedly connected to the lower end of the driving mechanism, which can achieve sufficient and efficient mixing of biogas and dehydration solvent, thereby achieving efficient dehydration of biogas, effectively improving the biogas dehydration efficiency of the biogas dehydration device.

[0009] Furthermore, a control box is provided at the left end of the front surface of the bracket, and a PLC controller is provided on the inner wall of the control box. The input end of the PLC controller is electrically connected to an external power supply to control various electrical appliances.

[0010] Furthermore, the driving mechanism includes a worm, a rotating shaft, a worm wheel, a driving gear and a gear ring. The worm is rotatably connected to the right end of the driving bin. The bottom wall of the driving bin is provided with symmetrically distributed mounting seats. The rotating shaft is rotatably connected between the mounting seats. The middle part of the rotating shaft is fixedly connected to a worm wheel, which is meshingly connected to the worm. The front and rear ends of the rotating shaft are fixedly connected to the driving gear, and the upper ends of the rotating columns are fixedly connected to the gear rings, which are meshingly connected to the vertically adjacent driving gears to realize bidirectional rotation of the stirring rod.

[0011] Furthermore, the driving mechanism also includes a motor, which is arranged at the upper end of the working chamber, the output shaft of the motor is fixedly connected to the right end of the worm, and the input end of the motor is electrically connected to the output end of the PLC controller, so as to provide driving force for the bidirectional rotation of the stirring rod.

[0012] Furthermore, a feed pipe is provided at the right end of the working bin, and a discharge pipe is provided at the lower end of the working bin, providing a channel for filling and releasing the dehydration solvent.

[0013] Furthermore, an electric valve 1 is provided at the upper end of the feed pipe, and an electric valve 2 is provided in the middle of the discharge pipe. The input ends of the electric valve 1 and the electric valve 2 are electrically connected to the output end of the PLC controller to control the storage and access of the dehydration solvent.

[0014] Furthermore, an air inlet pipe is arranged at the left end of the working chamber, and an air outlet pipe is arranged at the left end of the upper surface of the working chamber, providing an inlet and outlet channel for biogas.

[0015] Compared with the prior art, the beneficial effects of the utility model are: the biogas dehydration device has the following advantages:

[0016] Personnel add dehydration solvent through the feed pipe. After the filling is completed, biogas is injected into the working chamber through the air intake pipe. At the same time, the motor is operated through the PLC controller. The output shaft of the motor rotates to drive the worm, the worm drives the worm wheel, the worm wheel drives the shaft, the shaft drives the front and rear driving gears, the driving gears drive the vertically adjacent gear rings, the two gear rings rotate in opposite directions, the gear rings drive the vertically adjacent rotating columns, the rotating columns drive the vertically adjacent connecting plates, the connecting plates rotate in opposite directions, drive the vertically adjacent stirring rods to rotate around the central axis of the vertically adjacent rotating columns, the stirring rods drive the vertically adjacent propeller blades to rotate, to achieve stirring of the dehydration solvent, effectively increase the effective contact area between the dehydration solvent and the biogas, and then achieve efficient dehydration of the biogas, the dehydrated biogas enters the next working area through the outlet pipe, can achieve full and efficient mixing of the biogas and the dehydration solvent, and then achieve efficient dehydration of the biogas, effectively improving the biogas dehydration efficiency of the biogas dehydration device. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0018] Figure 2 It is a schematic diagram of the cross-sectional structure inside the utility model;

[0019] Figure 3 This is an enlarged structural diagram of point A of the utility model.

[0020] In the figure: 1 working chamber, 2 driving mechanism, 21 motor, 22 worm, 23 rotating shaft, 24 worm wheel, 25 driving gear, 26 gear ring, 3 rotating column, 4 connecting plate, 5 stirring rod, 6 propeller blade, 7 driving chamber, 8 air outlet pipe, 9 air inlet pipe, 10 feeding pipe, 11 electric valve 1, 12 discharge pipe, 13 electric valve 2, 14 bracket, 15 control box, 16 PLC controller. 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 1-3 ,This embodiment provides a technical solution: a biogas dehydration device, including a working chamber 1 and a driving mechanism 2;

[0023] Working chamber 1: The upper end thereof is rotatably connected to a symmetrically distributed rotating column 3 through a bearing, the lower end of the rotating column 3 is fixedly connected to a connecting plate 4, the two connecting plates 4 are always in a horizontal vertical state, the lower ends of the connecting plates 4 are fixedly connected to symmetrically distributed stirring rods 5, the middle parts of the stirring rods 5 are provided with propeller blades 6, the upper end of the working chamber 1 is provided with a driving chamber 7, the outer surface of the working chamber 1 is provided with a bracket 14, the left end of the front side surface of the bracket 14 is provided with a control box 15, the inner wall of the control box 15 is provided with a PLC controller 16, the input end of the PLC controller 16 is electrically connected to an external power supply, the left end of the working chamber 1 is provided with an air inlet pipe 9, and the left end of the upper surface of the working chamber 1 is provided with an air outlet pipe 8;

[0024] The driving mechanism 2 is arranged inside the driving bin 7, and the upper ends of the rotating columns 3 are fixedly connected to the lower ends of the driving mechanism 2. The driving mechanism 2 includes a worm 22, a rotating shaft 23, a worm wheel 24, a driving gear 25 and a gear ring 26. The worm 22 is rotatably connected to the right end of the driving bin 7. The bottom wall of the driving bin 7 is provided with symmetrically distributed mounting seats, and the rotating shaft 23 is rotatably connected between the mounting seats. The middle part of the rotating shaft 23 is fixedly connected with a worm wheel 24, and the worm wheel 24 is meshingly connected with the worm 22. The front and rear ends of the rotating shaft 23 are fixedly connected with the driving gear 25, and the upper ends of the rotating columns 3 are fixedly connected with the gear ring 26, and the gear ring 26 is meshingly connected with the vertically adjacent driving gear 25. The driving mechanism 2 also includes a motor 21, which is arranged at the upper end of the working bin 1, and the output shaft of the motor 21 is fixedly connected to the right end of the worm 22. The input end of the motor 21 The motor 21 is electrically connected to the output end of the PLC controller 16, and the motor 21 is running. The rotation of the output shaft of the motor 21 drives the worm 22 to rotate, and the rotation of the worm 22 drives the worm wheel 24 to rotate. The rotation of the worm wheel 24 drives the rotating shaft 23 to rotate. The rotation of the rotating shaft 23 drives the front and rear two driving gears 25 to rotate. The rotation of the driving gears 25 drives the vertically adjacent gear rings 26 to rotate. The two gear rings 26 rotate in opposite directions. The rotation of the gear rings 26 drives the vertically adjacent rotating columns 3 to rotate. The rotation of the rotating columns 3 drives the vertically adjacent connecting plates 4 to rotate. The connecting plates 4 rotate in opposite directions, driving the vertically adjacent stirring rods 5 to rotate around the central axis of the vertically adjacent rotating columns 3. The rotation of the stirring rods 5 drives the vertically adjacent propeller blades 6 to rotate, thereby achieving stirring of the dehydration solvent, effectively increasing the effective contact area between the dehydration solvent and the biogas, and thus achieving efficient dehydration of the biogas.

[0025] Among them: a feed pipe 10 is arranged at the right end of the working bin 1, a discharge pipe 12 is arranged at the lower end of the working bin 1, an electric valve 1 11 is arranged at the upper end of the feed pipe 10, and an electric valve 2 13 is arranged in the middle of the discharge pipe 12. The input ends of the electric valve 1 11 and the electric valve 2 13 are electrically connected to the output end of the PLC controller 16.

[0026] The working principle of a biogas dehydration device provided by the utility model is as follows: when working, the personnel first stably place the working chamber 1 and the driving chamber 7 and other mechanisms in a horizontal working area through the bracket 14. After the placement is stable, the personnel realize the operation of the electric valve 11 through the PLC controller 16. The electric valve 11 is opened, and the personnel add dehydration solvent through the feeding pipe 10. After the filling is completed, biogas is injected into the interior of the working chamber 1 through the air intake pipe 9. At the same time, the motor 21 is operated through the PLC controller 16. The output shaft of the motor 21 rotates to drive the worm 22 to rotate, the rotation of the worm 22 drives the worm wheel 24 to rotate, the rotation of the worm wheel 24 drives the rotating shaft 23 to rotate, the rotation of the rotating shaft 23 drives the front and rear two driving gears 25 to rotate, and the rotation of the driving gear 25 drives the vertically adjacent The gear ring 26 rotates, and the two gear rings 26 rotate in opposite directions. The rotation of the gear ring 26 drives the vertically adjacent rotating column 3 to rotate, and the rotation of the rotating column 3 drives the vertically adjacent connecting plate 4 to rotate. The connecting plate 4 rotates in the opposite direction, driving the vertically adjacent stirring rods 5 to rotate around the central axis of the vertically adjacent rotating column 3. The rotation of the stirring rod 5 drives the vertically adjacent propeller blades 6 to rotate, so as to achieve the stirring of the dehydration solvent, effectively increase the effective contact area between the dehydration solvent and the biogas, and then achieve efficient dehydration of the biogas. The dehydrated biogas enters the next working area through the outlet pipe 8. When the dehydration solvent works to move to a certain extent, the personnel stops adding biogas, and then realizes the operation of the electric valve 2 13 through the PLC controller 16, and the used dehydration solvent is moved out of the working bin 1 through the discharge pipe 12.

[0027] It is worth noting that the motor 21 disclosed in the above embodiment can choose ECMA-C20807RS servo drive motor, the electric valve 11 can choose HK60-DF electric flange butterfly valve, the electric valve 2 13 can choose JG90-D3-DQ-MF7 electric butterfly valve, and the PLC controller 16 can choose KV-N40DTP programmable controller. The PLC controller 16 controls the motor 21, the electric valve 11 and the electric valve 2 13 using methods commonly used in the prior art.

[0028] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A biogas dehydration device, characterized in that: It comprises a working chamber (1) and a driving mechanism (2); Working chamber (1): the upper end of the working chamber (1) is rotatably connected to symmetrically distributed rotating columns (3) via a bearing, the lower end of the rotating columns (3) is fixedly connected to a connecting plate (4), the two connecting plates (4) are always in a horizontal vertical state, the lower ends of the connecting plates (4) are fixedly connected to symmetrically distributed stirring rods (5), the middle parts of the stirring rods (5) are each provided with a propeller blade (6), the upper end of the working chamber (1) is provided with a driving chamber (7), and the outer surface of the working chamber (1) is provided with a bracket (14); Driving mechanism (2): it is arranged inside the driving bin (7), and the upper end of the rotating column (3) is fixedly connected to the lower end of the driving mechanism (2).

2. A biogas dehydration device according to claim 1, characterized in that: A control box (15) is provided at the left end of the front surface of the bracket (14), a PLC controller (16) is provided on the inner wall of the control box (15), and an input end of the PLC controller (16) is electrically connected to an external power supply.

3. A biogas dehydration device according to claim 2, characterized in that: The driving mechanism (2) comprises a worm (22), a rotating shaft (23), a worm wheel (24), a driving gear (25) and a toothed ring (26); the worm (22) is rotatably connected to the right end of the driving chamber (7); the bottom wall of the driving chamber (7) is provided with symmetrically distributed mounting seats; the rotating shaft (23) is rotatably connected between the mounting seats; the middle part of the rotating shaft (23) is fixedly connected to a worm wheel (24); the worm wheel (24) is meshingly connected to the worm (22); the front and rear ends of the rotating shaft (23) are fixedly connected to the driving gear (25); the upper end of the rotating column (3) is fixedly connected to the toothed ring (26); the toothed ring (26) is meshingly connected to the vertically adjacent driving gear (25).

4. A biogas dehydration device according to claim 3, characterized in that: The driving mechanism (2) further comprises a motor (21), wherein the motor (21) is arranged at the upper end of the working chamber (1), the output shaft of the motor (21) is fixedly connected to the right end of the worm (22), and the input end of the motor (21) is electrically connected to the output end of the PLC controller (16).

5. A biogas dehydration device according to claim 2, characterized in that: A feed pipe (10) is provided at the right end of the working bin (1), and a discharge pipe (12) is provided at the lower end of the working bin (1).

6. A biogas dehydration device according to claim 5, characterized in that: An electric valve 1 (11) is provided at the upper end of the feed pipe (10), and an electric valve 2 (13) is provided at the middle of the discharge pipe (12). The input ends of the electric valve 1 (11) and the electric valve 2 (13) are both electrically connected to the output end of the PLC controller (16).

7. A biogas dehydration device according to claim 1, characterized in that: An air inlet pipe (9) is provided at the left end of the working chamber (1), and an air outlet pipe (8) is provided at the left end of the upper surface of the working chamber (1).

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