Mixing device for preparing solid organic fertilizer from biogas slurry

Abstract

The utility model relates to the technical field of microbiological devices, in particular to a mixing device for preparing solid organic fertilizer from biogas slurry, which comprises a feeding box and a mixing component, the mixing component comprises two first motors, two crushing rollers, a mixing box, a liquid pump, a discharging pipe, a second motor, a connecting shaft and a plurality of stirring rods; straw is put into the feeding box from the top of the feeding box and falls between the two crushing rollers, the two first motors drive the two crushing rollers to rotate correspondingly, the straw is crushed, crushed straw powder falls into the mixing box, the liquid pump pumps biogas slurry, the biogas slurry is guided into the mixing box to be mixed with the straw powder, and the biogas slurry is mixed with the straw powder. A second motor drives a connecting shaft and a plurality of stirring rods to rotate, straw powder and biogas slurry in the mixing box are fully stirred and mixed, straw can be smashed and then mixed with the biogas slurry, the contact area of the straw and the biogas slurry is increased, and therefore the fermentation efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of microbiological devices, in particular to a mixing device for preparing solid organic fertilizer from biogas slurry. Background Art

[0002] Biogas slurry is the residue after sealed fermentation of various crop straws, human and animal feces and other organic wastes put into the biogas digester. When using biogas slurry to make solid organic fertilizer, it is necessary to mix the biogas slurry with straw and aerobically compost it before making organic fertilizer.

[0003] At present, the prior art CN201971829U discloses a feeding device, in particular, a spiral feeding device for a straw biogas tank, comprising: a spiral feeder, a feeding hopper, a motor, and a bracket. The feeding port of the spiral feeder is provided with a feeding hopper, and its discharge port is connected to the biogas tank cavity. The spiral feeder is arranged in an inclined shape through the bracket, and its feeding port is lower than the discharge port. The driving shaft of the spiral feeder is fixedly connected to the main shaft of the motor. The feeding device adopts a spiral feeding method, and the straw is pre-mixed with the biogas liquid, so as to achieve the effect of fast feeding.

[0004] However, the above method does not have the function of crushing the straw, and the straw is directly mixed with the biogas slurry without being crushed, resulting in a smaller contact area between the straw and the biogas slurry, resulting in lower fermentation efficiency. Utility Model Content

[0005] The utility model aims to provide a mixing device for preparing solid organic fertilizer from biogas slurry, which can crush straw and then mix it with biogas slurry, thereby increasing the contact area between the straw and the biogas slurry and improving the fermentation efficiency.

[0006] To achieve the above object, the utility model provides a mixing device for preparing solid organic fertilizer from biogas slurry, comprising a feed box and a mixing assembly, wherein the mixing assembly comprises two first motors, two crushing rollers, a mixing box, a liquid pump, a discharge pipe, a second motor, a connecting shaft and a plurality of stirring rods;

[0007] The two first motors are respectively fixedly connected to the feed box and are respectively located at the sides of the feed box; the two crushing rollers are respectively rotatably connected to the feed box and are respectively fixedly connected to the two first motor output ends and are respectively located inside the two feed boxes; the mixing box is fixedly connected and communicated with the feed box and is located at the bottom of the feed box; the liquid pump is fixedly connected and communicated with the mixing box and is located at the side of the mixing box; the discharge pipe is fixedly connected and communicated with the mixing box and is located at the bottom of the mixing box; the second motor is fixedly connected to the mixing box and is located at the side of the mixing box; the connecting shaft is rotatably connected to the mixing box and is fixedly connected to the output end of the second motor and is located inside the mixing box; the multiple stirring rods are respectively fixedly connected to the connecting shaft and are respectively located at the sides of the connecting shaft.

[0008] Wherein, the mixing assembly also includes a control valve; the control valve is fixedly connected to the discharge pipe and is located on the side of the discharge pipe.

[0009] Wherein, the mixing assembly further comprises two material guide plates; the two material guide plates are respectively fixedly connected to the mixing box and are respectively located inside the mixing box.

[0010] Among them, the mixing assembly also includes a cylinder, a connecting rod and a baffle; the cylinder is fixedly connected to the feed box and is located on the side of the feed box; the connecting rod is fixedly connected to the cylinder output rod and is located on the side of the cylinder; the baffle is fixedly connected to the connecting rod, and is slidably connected to the feed box and is located on the side of the connecting rod.

[0011] Wherein, the mixing device for preparing solid organic fertilizer from biogas slurry also includes a feeding component; the feeding component is arranged at the bottom of the discharge pipe.

[0012] Among them, the feeding assembly includes a feeding channel, a third motor and a spiral auger; the feeding channel and the discharge pipe are fixedly connected and communicated, and are located at the bottom of the discharge pipe; the third motor and the feeding channel are fixedly connected, and are located on the side of the feeding channel; the spiral auger and the feeding channel are rotatably connected, and are fixedly connected to the output end of the third motor, and are located inside the feeding channel.

[0013] The utility model discloses a mixing device for preparing solid organic fertilizer from biogas slurry. Straw is put into the feed box from the top of the feed box, and the straw falls between the two crushing rollers. The two first motors respectively drive the two crushing rollers to rotate to crush the straw. The crushed straw powder falls into the mixing box. The liquid pump extracts the biogas slurry and introduces the biogas slurry into the mixing box to mix with the straw powder. The second motor drives the connecting shaft and the plurality of stirring rods to rotate to fully stir and mix the straw powder and the biogas slurry in the mixing box. The mixed liquid is discharged through the discharge pipe. Through the above manner, the straw can be crushed and then mixed with the biogas slurry, so that the contact area between the straw and the biogas slurry is increased, thereby improving the fermentation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0015] Figure 1 It is a schematic diagram of the overall structure of the first embodiment of the utility model.

[0016] Figure 2 It is an overall cross-sectional view of the first embodiment of the utility model.

[0017] Figure 3 It is a schematic diagram of the overall structure of the second embodiment of the utility model.

[0018] Figure 4 It is an overall cross-sectional view of the second embodiment of the utility model.

[0019] 101-feed box, 102-mixing assembly, 103-first motor, 104-crushing roller, 105-mixing box, 106-liquid pump, 107-discharge pipe, 108-second motor, 109-connecting shaft, 110-stirring rod, 111-control valve, 112-guide plate, 113-cylinder, 114-connecting rod, 115-baffle, 201-feeding assembly, 202-feeding channel, 203-third motor, 204-screw auger. DETAILED DESCRIPTION

[0020] The first embodiment of the present application is:

[0021] See also Figure 1-Figure 2 ,in, Figure 1 It is a schematic diagram of the overall structure of the first embodiment of the utility model. Figure 2 It is an overall cross-sectional view of the first embodiment of the utility model.

[0022] The utility model provides a mixing device for preparing solid organic fertilizer from biogas slurry, comprising a feed box 101 and a mixing assembly 102, wherein the mixing assembly 102 comprises two first motors 103, two crushing rollers 104, a mixing box 105, a liquid pump 106, a discharge pipe 107, a second motor 108, a connecting shaft 109, a plurality of stirring rods 110, a control valve 111, a guide plate 112, a cylinder 113, a connecting rod 114 and a baffle 115; through the above scheme, straw can be crushed and then mixed with biogas slurry, so as to increase the contact area between the straw and the biogas slurry, thereby improving the fermentation efficiency.

[0023] According to this specific embodiment, the feed box 101 is used to accommodate straw.

[0024] The two first motors 103 are respectively fixedly connected to the feed box 101 and are respectively located at the sides of the feed box 101; the two crushing rollers 104 are respectively rotatably connected to the feed box 101, and are respectively fixedly connected to the output ends of the two first motors 103, and are respectively located inside the two feed boxes 101; the mixing box 105 is fixedly connected and communicated with the feed box 101, and is located at the bottom of the feed box 101; the liquid pump 106 is fixedly connected and communicated with the mixing box 105, and is located at the bottom of the mixing box 101; the mixing box 105 ... The discharging pipe 107 is fixedly connected to and communicated with the mixing box 105 and is located at the bottom of the mixing box 105; the second motor 108 is fixedly connected to the mixing box 105 and is located at the side of the mixing box 105; the connecting shaft 109 is rotatably connected to the mixing box 105, and is fixedly connected to the output end of the second motor 108 and is located inside the mixing box 105; the plurality of stirring rods 110 are respectively fixedly connected to the connecting shaft 109 and are respectively located at the sides of the connecting shaft 109. When in use, straw is put into the feed box 101 from the top of the feed box 101, and the straw falls between the two crushing rollers 104. The two first motors 103 respectively drive the two crushing rollers 104 to rotate to crush the straw. The crushed straw powder falls into the mixing box 105. The liquid pump 106 extracts the biogas slurry and introduces the biogas slurry into the mixing box 105 to mix with the straw powder. The second motor 108 drives the connecting shaft 109 and the plurality of stirring rods 110 to rotate to crush the The straw powder and biogas liquid in the mixing box 105 are fully stirred and mixed, and the mixed liquid is discharged into the biogas digester through the discharge pipe 107; when producing biogas in the biogas digester, biogas residue and biogas liquid are also generated. After the solid-liquid separation of the biogas residue and biogas liquid, the solid part is dried and crushed, and then mixed with the biological agent to achieve secondary biofertilizer fermentation, and then granulated and dried to form solid organic fertilizer; through the above method, the straw can be crushed and then mixed with the biogas liquid, thereby increasing the contact area between the straw and the biogas liquid, thereby improving the fermentation efficiency.

[0025] Secondly, the control valve 111 is fixedly connected to the discharge pipe 107 and is located at the side of the discharge pipe 107. The control valve 111 can control the connection and closure of the discharge pipe 107.

[0026] At the same time, the two guide plates 112 are respectively fixedly connected to the mixing box 105 and are respectively located inside the mixing box 105. The two guide plates 112 can guide the mixed liquid to the discharge pipe 107 for discharge.

[0027] In addition, the cylinder 113 is fixedly connected to the feed box 101 and is located at the side of the feed box 101; the connecting rod 114 is fixedly connected to the output rod of the cylinder 113 and is located at the side of the cylinder 113; the baffle 115 is fixedly connected to the connecting rod 114, slidably connected to the feed box 101, and is located at the side of the connecting rod 114. The cylinder 113 can drive the connecting rod 114 to move, and the connecting rod 114 drives the baffle 115 to move. The baffle 115 can be used to close the bottom of the feed box 101 to prevent biogas slurry from entering the feed box 101.

[0028] When using the utility model, straw is put into the feed box 101 from the top of the feed box 101, and the straw falls between the two crushing rollers 104. The two first motors 103 respectively drive the two crushing rollers 104 to rotate to crush the straw. The crushed straw powder falls into the mixing box 105. The liquid pump 106 extracts the biogas slurry and introduces the biogas slurry into the mixing box 105 to mix with the straw powder. The second motor 108 drives the connecting shaft 109 and the plurality of stirring rods 110 to rotate to mix the mixing box 105 with the straw powder. The straw powder and biogas liquid in 05 are fully stirred and mixed, and the mixed liquid is discharged through the discharge pipe 107 under the guidance of the guide plate 112; the connecting rod 114 can be driven to move by the cylinder 113, and the connecting rod 114 drives the baffle 115 to move, and the baffle 115 can be used to seal the bottom of the feed box 101 to prevent the biogas liquid from entering the feed box 101; in the above manner, the straw can be crushed and then mixed with the biogas liquid, thereby increasing the contact area between the straw and the biogas liquid, thereby improving the fermentation efficiency.

[0029] The second embodiment of the present application is:

[0030] Based on the first embodiment, please refer to Figure 3-Figure 4 ,in, Figure 3 It is a schematic diagram of the overall structure of the second embodiment of the utility model. Figure 4 It is an overall cross-sectional view of the second embodiment of the utility model.

[0031] The mixing device for preparing solid organic fertilizer from biogas slurry provided by the utility model further comprises a feeding component 201 ; the feeding component 201 comprises a feeding channel 202 , a third motor 203 and a spiral auger 204 .

[0032] According to this specific embodiment, the feeding assembly 201 is arranged at the bottom of the discharge pipe 107. The feeding assembly 201 can transport the feed liquid to the biogas tank.

[0033] The feeding channel 202 is fixedly connected and communicated with the discharge pipe 107, and is located at the bottom of the discharge pipe 107; the third motor 203 is fixedly connected with the feeding channel 202, and is located at the side of the feeding channel 202; the spiral auger 204 is rotatably connected with the feeding channel 202, and is fixedly connected with the output end of the third motor 203, and is located inside the feeding channel 202. The discharge port of the spiral auger 204 is connected with the feed port of the biogas tank, and the feed liquid enters the feeding channel 202 through the discharge pipe 107. The third motor 203 drives the spiral auger 204 to rotate, and discharges the feed liquid in the feeding channel 202 into the biogas tank.

[0034] When using the utility model, straw is put into the feed box 101 from the top of the feed box 101, and the straw falls between the two crushing rollers 104. The two first motors 103 respectively drive the two crushing rollers 104 to rotate to crush the straw. The crushed straw powder falls into the mixing box 105. The liquid pump 106 extracts the biogas slurry and introduces the biogas slurry into the mixing box 105 to mix with the straw powder. The second motor 108 drives the connecting shaft 109. The plurality of stirring rods 110 rotate to fully stir and mix the straw powder and biogas slurry in the mixing box 105, and the mixed liquid is discharged through the discharge pipe 107 under the guidance of the guide plate 112; the discharge port of the spiral auger 204 is connected with the feed port of the biogas tank, and the liquid enters the feeding channel 202 through the discharge pipe 107, and the third motor 203 drives the spiral auger 204 to rotate to discharge the liquid in the feeding channel 202 into the biogas tank.

[0035] What is disclosed above is only one or more preferred embodiments of the present application, and cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the processes of implementing the above embodiments and equivalent changes made according to the claims of the present application are still within the scope covered by the present application.

Claims

1. A mixing device for preparing solid organic fertilizer from biogas slurry, comprising a feed box, characterized in that: Also included are hybrid components; The mixing assembly includes two first motors, two crushing rollers, a mixing box, a liquid pump, a discharge pipe, a second motor, a connecting shaft and a plurality of stirring rods; The two first motors are respectively fixedly connected to the feed box and are respectively located at the sides of the feed box; the two crushing rollers are respectively rotatably connected to the feed box and are respectively fixedly connected to the two first motor output ends and are respectively located inside the two feed boxes; the mixing box is fixedly connected and communicated with the feed box and is located at the bottom of the feed box; the liquid pump is fixedly connected and communicated with the mixing box and is located at the side of the mixing box; the discharge pipe is fixedly connected and communicated with the mixing box and is located at the bottom of the mixing box; the second motor is fixedly connected to the mixing box and is located at the side of the mixing box; the connecting shaft is rotatably connected to the mixing box and is fixedly connected to the output end of the second motor and is located inside the mixing box; the multiple stirring rods are respectively fixedly connected to the connecting shaft and are respectively located at the sides of the connecting shaft.

2. A mixing device for preparing solid organic fertilizer from biogas slurry as claimed in claim 1, characterized in that: The mixing assembly also includes a control valve; the control valve is fixedly connected to the discharge pipe and is located on the side of the discharge pipe.

3. A mixing device for preparing solid organic fertilizer from biogas slurry as claimed in claim 2, characterized in that: The mixing assembly further comprises two material guide plates; the two material guide plates are respectively fixedly connected to the mixing box and are respectively located inside the mixing box.

4. A mixing device for preparing solid organic fertilizer from biogas slurry as claimed in claim 3, characterized in that: The mixing assembly also includes a cylinder, a connecting rod and a baffle; the cylinder is fixedly connected to the feed box and is located on the side of the feed box; the connecting rod is fixedly connected to the cylinder output rod and is located on the side of the cylinder; the baffle is fixedly connected to the connecting rod, slidably connected to the feed box, and is located on the side of the connecting rod.

5. A mixing device for preparing solid organic fertilizer from biogas slurry as claimed in claim 4, characterized in that: The mixing device for preparing solid organic fertilizer from biogas slurry also includes a feeding component; the feeding component is arranged at the bottom of the discharge pipe.

6. A mixing device for preparing solid organic fertilizer from biogas slurry as claimed in claim 5, characterized in that: The feeding assembly includes a feeding channel, a third motor and a spiral auger; the feeding channel and the discharge pipe are fixedly connected and communicated, and are located at the bottom of the discharge pipe; the third motor and the feeding channel are fixedly connected, and are located on the side of the feeding channel; the spiral auger and the feeding channel are rotatably connected, and are fixedly connected to the output end of the third motor, and are located inside the feeding channel.

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