Artificial wetland biochar carbon sequestration substrate preparation integrated device

Abstract

The utility model discloses an artificial wetland biochar carbon sequestration matrix preparation integrated device, which comprises a material mixing assembly, a granulation assembly, a carbonization assembly, a quantification assembly, a modification assembly and an aging assembly, the bottom of the aging assembly is fixedly connected with a drying workshop, and a drying bin is arranged in the drying workshop. The raw materials are uniformly mixed through the material mixing workshop, the mixture is molded through the granulation workshop after being mixed, the molded mixture is dried through the drying bin after being screened, then anaerobic carbonization is carried out through the carbonization workshop in the carbonization assembly, and loading modification of biochar is completed through the modification assembly after carbonization is completed, so that the use effect of the biochar is improved; all the components are connected through a conveying belt or a sliding rail, and meanwhile, detection equipment such as a moisture content detector and a gravity sensor is arranged, so that automation of the preparation process is realized, the production efficiency of the carbon-sequestration biochar is improved, and the labor cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of biochar preparation, in particular to an integrated device for preparing a carbon sequestration matrix of biochar for an artificial wetland. Background Art

[0002] Biochar is a carbonaceous material pyrolyzed from organic raw materials under high-temperature conditions, also known as biomass charcoal, carbon black or charcoal; the preparation process of biochar usually occurs under low-oxygen or anaerobic conditions to ensure that the raw materials do not burn completely, so that carbon can be retained. It can be used as a soil conditioner to improve soil structure, maintain soil moisture, increase soil fertility, improve the water and fertilizer retention capacity of the soil, and promote the activity of soil microorganisms. It can also be used for sewage treatment to remove organic matter, heavy metals and other pollutants in the sewage and purify the water quality. However, there are still certain deficiencies in the current biochar preparation. The existing biochar preparation equipment cannot be fully automated and scaled up. Manual operation is still required during the preparation of biochar, which increases the labor cost and has low preparation efficiency. At the same time, the equipment cannot take into account the modification of biochar during the preparation of biochar, and the use effect of the prepared biochar is not good. Therefore, it is very necessary to design an integrated device for preparing a carbon sequestration matrix of biochar for an artificial wetland. Content of the Utility Model

[0003] The purpose of the utility model is to provide an integrated device for preparing a carbon sequestration matrix of biochar for an artificial wetland, so as to solve the defects that the existing biochar preparation device cannot be automated and scaled up, and at the same time has high labor cost, low preparation efficiency, and poor use effect of the prepared biochar.

[0004] To solve the above technical problems, the utility model provides the following technical solutions: an integrated device for preparing a carbon sequestration matrix of biochar for an artificial wetland, including a mixing component, a granulating component, a carbonization component, a metering component, a modification component and an aging component. A drying workshop is fixedly connected to the bottom of the aging component. A drying bin is arranged inside the drying workshop. The granulating component and the carbonization component are respectively fixedly connected to both sides of the drying workshop. The granulating component consists of a waste material port, a granulating workshop and a sieve mesh. The waste material port is opened at one end of the granulating component. The mixing component is fixedly connected to the top of the granulating component. The mixing component consists of a sludge feed port, a fly ash feed port, a water inlet, a water content detector body, a mixing workshop and a stirrer. The water content detector body is fixedly connected to the inner wall of the mixing workshop. The metering component and the modification component are fixedly connected to the top of the carbonization component. The metering component consists of a lead screw, a slider, a first cylinder and an automatic funnel body. The slider is fixedly connected with the first cylinder, and the first cylinder is fixedly connected with the automatic funnel body. The aging component consists of a timer and a capping device body. A timer is arranged inside the aging component. A conveyor belt is cooperatively connected to the bottom end inside the aging component. A beaker is fixedly connected to the conveyor belt, and the capping device body is cooperatively connected to the beaker.

[0005] As a further technical solution of the present utility model, a sludge feed port, a fly ash feed port and a water inlet are arranged at the top of the mixing assembly. A mixing workshop is arranged inside the mixing assembly, and a motor is arranged inside the mixing workshop. A stirrer is sleeved on the output end of the motor.

[0006] As a further technical solution of the present utility model, a granulation workshop is arranged inside the granulation assembly. The discharge port of the granulation workshop is connected to the conveyor belt in the conveying assembly. The conveying assembly is composed of a conveyor belt and a conveying rod, and the conveying rod is sleeved on the conveyor belt.

[0007] As a further technical solution of the present utility model, a carbonization workshop is arranged inside the carbonization shell, and a cooling table is arranged inside the carbonization shell.

[0008] As a further technical solution of the present utility model, the slider is sleeved on the lead screw through a ball nut embedded inside. The lead screw is sleeved on one side of the metering assembly. The inner bottom end of the metering assembly is connected to a conveyor belt, and a beaker is fixedly connected to the conveyor belt.

[0009] As a further technical solution of the present utility model, a medicine delivery pipe is sleeved on the outer shell of the modification assembly. A motor is fixedly connected to the inner wall of the outer shell of the modification assembly. A second cylinder is fixedly connected to the output end of the motor, and a stirring rod is fixedly connected to the output end of the second cylinder.

[0010] As a further technical solution of the present utility model, the inner bottom end of the outer shell of the modification assembly is connected to a conveyor belt, and a gravity sensor is fixedly connected to the conveyor belt.

[0011] The utility model provides an integrated device for preparing artificial wetland biochar carbon fixation matrix, which has the advantages that: first, according to the raw material ratio, sludge, fly ash and water are put into the mixing workshop from the corresponding feed port, the motor drives the stirrer to mix the raw materials evenly, the moisture content is maintained at 25% to 30% by the water content detector body, and after sufficient mixing, it is formed in the granulation workshop, and after forming, the diameter of a single raw material ball is controlled to be 6.0 to 10.0 mm through a screen, and the raw material balls that do not meet the conditions are put back into the mixing workshop for re-processing, and the raw material balls that meet the conditions are placed in the mixing workshop. The temperature in the drying bin is maintained at 100-110℃ to remove moisture from the raw material balls. The dried raw material balls are then anaerobic carbonized in the carbonization workshop. After carbonization, they are placed on a cooling table to cool naturally to room temperature. The carbonized biochar is then transported to the automatic funnel body for quantitative measurement via a conveyor belt. The motor drives the lead screw to rotate, which in turn drives the automatic funnel body to move. The automatic funnel body is then opened to add biochar to the beaker below. A gravity sensor is provided at the bottom of the beaker. When the gravity sensor detects that the weight of the biochar in the beaker meets the standard, the automatic funnel body is opened. Close. When the beakers are filled with biochar that meets the standard, they are transported to the modification component through a conveyor belt. 52.52g of MnSO4·H2O is added to the beaker through the drug delivery tube, followed by 2000ml of ultrapure water. The gravity sensor at the bottom of the beaker is used to accurately control the amount of drug added. Then the second cylinder drives the stirring rod to extend, and the motor drives the stirring rod to fully stir the inside of the beaker for 2 to 2.5 hours. After the stirring is completed, 400mL of KMnO4 solution (concentration of 0.1822g / L) is slowly added to the beaker and stirred continuously. Stir for 30 to 45 minutes. After stirring, the beaker is transported to the aging component by a conveyor belt, and then the capping device body seals the beaker. After sealing, the timer starts timing. After aging, it can be taken out. The preparation process is automated through the water content detector body, gravity sensor and other automatic detection equipment, which reduces labor consumption. The modification of biochar is completed through the modification component to improve the use effect of biochar. According to the preparation time of each process of carbon-fixing biochar, the setting ratio of each component is flexibly adjusted to maximize the use of time and improve production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] 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 or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are 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.

[0013] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0014] Figure 2 It is a cross-sectional view of the mixing component in the present utility model;

[0015] Figure 3 It is a structural schematic diagram of the granulation component in the present utility model;

[0016] Figure 4 It is a structural schematic diagram of the drying workshop in the present utility model;

[0017] Figure 5 It is a structural schematic diagram of the carbonization component in the present utility model;

[0018] Figure 6 It is a structural schematic diagram of the metering component in the present utility model;

[0019] Figure 7 It is a structural schematic diagram of the modification component in the present utility model;

[0020] Figure 8 It is a structural schematic diagram of the aging component in the present utility model.

[0021] In the figure: 1. Mixing component; 2. Granulation component; 3. Drying workshop; 4. Carbonization component; 5. Metering component; 6. Modification component; 7. Aging component; 8. Conveying component; 9. Beaker; 11. Sludge feed port; 12. Fly ash feed port; 13. Water inlet; 14. Water content detector body; 15. Mixing workshop; 16. Stirrer; 21. Waste port; 22. Granulation workshop; 23. Sieve mesh; 31. Drying bin; 41. Carbonization workshop; 42. Cooling table; 43. Temperature sensor; 44. Carbonization shell; 51. Lead screw; 52. Slide block; 53. First cylinder; 54. Automatic funnel body; 61. Medicine delivery pipe; 62. Stirring rod; 63. Gravity sensor; 64. Flowmeter body; 65. Second cylinder; 71. Timer; 72. Capping device body; 81. Conveyor belt; 82. Conveying rod. Specific embodiments

[0022] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are some, but not all, of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0023] In the description of the present utility model, it should be noted that unless otherwise clearly defined and limited, the terms "installation", "connection", and "coupling" 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 directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0024] Please refer to Figure 1-8, an embodiment provided by the present utility model: an integrated device for preparing an artificial wetland biochar carbon sequestration matrix, including a mixing component 1, a granulation component 2, a carbonization component 4, a metering component 5, a modification component 6 and an aging component 7. A drying workshop 3 is fixedly connected to the bottom of the aging component 7. A drying bin 31 is arranged inside the drying workshop 3. The granulation component 2 and the carbonization component 4 are respectively fixedly connected to both sides of the drying workshop 3. The granulation component 2 is composed of a waste material port 21, a granulation workshop 22 and a sieve 23. The waste material port 21 is opened at one end of the granulation component 2. The mixing component 1 is fixedly connected to the top of the granulation component 2. The mixing component 1 is composed of a sludge feed port 11, a fly ash feed port 12, a water inlet 13, a water content detector body 14, a mixing workshop 15 and a stirrer 16. The water content detector body 14 is fixedly connected to the inner wall of the mixing workshop 15. The metering component 5 and the modification component 6 are fixedly connected to the top of the carbonization component 4. The metering component 5 is composed of a lead screw 51, a slider 52, a first cylinder 53 and an automatic funnel body 54. The first cylinder 53 is fixedly connected to the slider 52, and the automatic funnel body 54 is fixedly connected to the first cylinder 53. The aging component 7 is composed of a timer 71 and a capping device body 72. The timer 71 is arranged inside the aging component 7. The bottom end inside the aging component 7 is fitted with a conveyor belt 81. A beaker 9 is fixedly connected to the conveyor belt 81. The capping device body 72 is fitted to the beaker 9. The sludge feed port 11, the fly ash feed port 12 and the water inlet 13 are arranged at the top of the mixing component 1. The mixing workshop 15 is arranged inside the mixing component 1. A motor is arranged inside the mixing workshop 15. The stirrer 16 is sleeved on the output end of the motor. The granulation workshop 22 is arranged inside the granulation component 2. The discharge port of the granulation workshop 22 is fitted with the conveyor belt 81 in the conveying component 8. The conveying component 8 is composed of the conveyor belt 81 and a conveying rod 82. The conveying rod 82 is sleeved on the conveyor belt 81. The carbonization component 4 is composed of a carbonization workshop 41, a cooling table 42, a temperature sensor 43 and a carbonization shell 44. The temperature sensor 43 is fixedly connected to the inner wall of the carbonization shell 44. The carbonization workshop 41 is arranged inside the carbonization shell 44. The cooling table 42 is arranged inside the carbonization shell 44. The slider 52 is sleeved on the lead screw 51 through a ball nut embedded inside. The lead screw 51 is sleeved on one side of the metering component 5. The bottom end inside the metering component 5 is fitted with the conveyor belt 81. The beaker 9 is fixedly connected to the conveyor belt 81. The modification component 6 is composed of a medicine delivery pipe 61, a stirring rod 62, a gravity sensor 63, a flowmeter body 64 and a second cylinder 65. The medicine delivery pipe 61 is sleeved on the shell of the modification component 6. A motor is fixedly connected to the inner wall of the shell of the modification component 6. The second cylinder 65 is fixedly connected to the output end of the motor. The stirring rod 62 is fixedly connected to the output end of the second cylinder 65. The flowmeter body 64 is fixedly connected to the inner wall of the modification component 6. The bottom end inside the shell of the modification component 6 is fitted with the conveyor belt 81. The gravity sensor 63 is fixedly connected to the conveyor belt 81.The gravity sensor 63 is used to precisely control the dosage of the medicine;

[0025] Specifically, during use, first, sludge, fly ash, and water are fed into the mixing workshop 15 from the corresponding feeding ports according to the raw material ratio. The motor drives the stirrer 16 to evenly mix the raw materials. The water content detector body 14 is used to maintain the water content at 25% - 30%. After sufficient mixing, the mixture is formed through the granulation workshop 22. After forming, the diameter of each single green pellet is controlled to be 6.0 - 10.0 mm through the sieve 23. The green pellets that do not meet the requirements are re-fed into the mixing workshop 15 for reprocessing. The qualified green pellets are placed in the drying bin 31 to maintain the temperature at 100 - 110 °C to remove the moisture in the green pellets. Then, the dried green pellets are anaerobically carbonized through the carbonization workshop 41. After carbonization, they are placed on the cooling table 42 to naturally cool to room temperature. Then, the carbonized biochar is transported to the automatic funnel body 54 through the conveyor belt 81 for quantification. The motor drives the lead screw 51 to rotate, thereby driving the automatic funnel body 54 to move. Then, the automatic funnel body 54 opens to add biochar to the beaker 9 below. Gravity sensors 63 are provided at the bottom of each beaker 9. When the gravity sensor 63 detects that the weight of the biochar in the beaker 9 reaches the standard, the automatic funnel body 54 closes. When the addition of biochar to each beaker 9 reaches the standard, it is transported to the modification component 6 through the conveyor belt 81. 52.52 g of MnSO4·H2O is added to the beaker 9 through the medicine delivery pipe 61. Subsequently, 2000 ml of ultrapure water is introduced. The gravity sensor 63 at the bottom of the beaker 9 is used to achieve precise control of the medicine dosage. Then, the second cylinder 65 drives the stirring rod 62 to extend, and the motor drives the stirring rod 62 to fully stir the inside of the beaker 9 for 2 - 2.5 h. After stirring, 400 mL of KMnO4 solution (concentration: 0.1822 g / L) is continuously introduced into the beaker 9 slowly and stirred for 30 - 45 min. After stirring, the beaker 9 is transported to the aging component 7 through the conveyor belt 81. Then, the capping device body 72 seals the beaker 9. After sealing, the timer 71 starts timing. After aging is completed, it can be taken out. Through the automatic detection devices such as the water content detector body 14 and the gravity sensor 63, the automation of the preparation process is realized, reducing manual consumption. Through the modification component 6, the modification of the biochar is completed, improving the use effect of the biochar. For the preparation time of each process of the carbon sequestration biochar, the setting ratio of each component is flexibly adjusted to maximize the use of time and improve production efficiency.

[0026] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", and "coupling" 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 directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0027] The device embodiments described above are merely illustrative. The units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed to multiple network units. Some or all of the modules can be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art can understand and implement it without creative efforts.

[0028] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present utility model and are not intended to limit them. Although the present utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions described in the foregoing embodiments or perform equivalent replacements for some of the technical features. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. An integrated device for preparing a biochar carbon fixation matrix for artificial wetlands, comprising a mixing component (1), a granulation component (2), a carbonization component (4), a quantitative component (5), a modification component (6) and an aging component (7), characterized in that: The bottom of the aging component (7) is fixedly connected to a drying workshop (3), a drying chamber (31) is arranged inside the drying workshop (3), and the two sides of the drying workshop (3) are respectively fixedly connected to a granulation component (2) and a carbonization component (4), the granulation component (2) is composed of a waste port (21), a granulation workshop (22) and a screen (23), the waste port (21) is opened at one end of the granulation component (2), the top of the granulation component (2) is fixedly connected to a mixing component (1), the mixing component (1) is composed of a sludge feed port (11), a fly ash feed port (12), a water inlet (13), a water content detector body (14), a mixing workshop (15) and a stirrer (16), the inner wall of the mixing workshop (15) is fixedly connected to a water content detector body (16). The detector body (14) includes a carbonization component (4) having a quantitative component (5) and a modification component (6) fixedly connected to the top thereof, wherein the quantitative component (5) is composed of a lead screw (51), a slider (52), a first cylinder (53) and an automatic funnel body (54), the slider (52) is fixedly connected to the first cylinder (53), the first cylinder (53) is fixedly connected to the automatic funnel body (54), the aging component (7) is composed of a timer (71) and a capping device body (72), the timer (71) is provided inside the aging component (7), and the bottom end of the aging component (7) is connected to a conveyor belt (81), the conveyor belt (81) is fixedly connected to a beaker (9), and the beaker (9) is connected to the capping device body (72).

2. The integrated device for preparing biochar carbon fixation matrix for artificial wetlands according to claim 1, characterized in that: The top of the mixing component (1) is provided with a sludge feed port (11), a fly ash feed port (12) and a water inlet (13); a mixing workshop (15) is provided inside the mixing component (1); a motor is provided inside the mixing workshop (15); and a stirrer (16) is sleeved on the output end of the motor.

3. The integrated device for preparing biochar carbon fixation matrix for artificial wetlands according to claim 1, characterized in that: A granulation workshop (22) is provided inside the granulation component (2), and a discharge port of the granulation workshop (22) is connected to a conveyor belt (81) in a conveying component (8), wherein the conveying component (8) is composed of a conveyor belt (81) and a conveying rod (82), and the conveying rod (82) is sleeved on the conveyor belt (81).

4. The integrated device for preparing biochar carbon fixation matrix for artificial wetlands according to claim 1, characterized in that: The carbonization assembly (4) is composed of a carbonization workshop (41), a cooling table (42), a temperature sensor (43) and a carbonization shell (44); the temperature sensor (43) is fixedly connected to the inner wall of the carbonization shell (44); the carbonization workshop (41) is arranged inside the carbonization shell (44); and the cooling table (42) is arranged inside the carbonization shell (44).

5. The integrated device for preparing biochar carbon fixation matrix for artificial wetlands according to claim 1, characterized in that: The slider (52) is sleeved on the lead screw (51) via an internally embedded ball nut, the lead screw (51) is sleeved on one side of the quantitative component (5), the internal bottom end of the quantitative component (5) is cooperatively connected to a conveyor belt (81), and the conveyor belt (81) is fixedly connected to the beaker (9).

6. The integrated device for preparing biochar carbon fixation matrix for artificial wetlands according to claim 1, characterized in that: The modified component (6) is composed of a drug delivery tube (61), a stirring rod (62), a gravity sensor (63), a flow meter body (64) and a second cylinder (65); the drug delivery tube (61) is sleeved on the outer shell of the modified component (6), and a motor is fixedly connected to the inner wall of the outer shell of the modified component (6); the second cylinder (65) is fixedly connected to the output end of the motor; the stirring rod (62) is fixedly connected to the output end of the second cylinder (65); and the flow meter body (64) is fixedly connected to the inner wall of the modified component (6).

7. The integrated device for preparing biochar carbon fixation matrix for artificial wetlands according to claim 6, characterized in that: The inner bottom end of the shell of the modification component (6) is cooperatively connected with a conveyor belt (81), and a gravity sensor (63) is fixedly connected to the conveyor belt (81).

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