A garbage power biogas dehydration device

Abstract

The utility model is suitable for garbage power generation technical field provides a kind of garbage power generation marsh gas dehydration device, including dehydration tank;Dehydration tank is divided into first treatment tank and second treatment tank by partition in it;Dehydration tank is located the upper position of first treatment tank and is equipped with the air inlet that is connected with its inner cavity;At least two fixed frames are vertically provided in first treatment tank, and fixed frame separates first treatment tank into multiple layers filter chamber;The utility model not only significantly improves the quality of marsh gas, removes the solid particles, tiny impurities and residual moisture therein, ensures the high dryness and purity of marsh gas, provides stable and reliable energy supply for subsequent use or power generation process;At the same time, the overall performance of the dehydration system is also optimized, the pollution and blockage of impurities in the system are avoided, the burden of subsequent treatment components is reduced, the stability and reliability of the system are further improved, and the service life is prolonged.

Description

Technical Field

[0001] This utility model belongs to the field of waste-to-energy technology, and in particular relates to a waste-to-energy biogas dehydration device. Background Technology

[0002] With the increasing global emphasis on renewable energy and the continuous advancement of waste treatment technology, waste-to-energy has received widespread attention and application as an effective way of resource recycling and energy conversion. In the process of waste-to-energy, biogas, as one of the main byproducts, has enormous potential value.

[0003] However, traditional biogas treatment processes often face challenges such as incomplete dehydration and high impurity content, which leads to low biogas calorific value and reduced utilization efficiency. The large amount of solid particles, moisture and other impurities mixed in biogas not only reduces the quality of biogas, but may also pose a risk of pollution and blockage to the dehydration system. In the pursuit of improving dehydration efficiency, energy consumption often needs to be increased, while if energy consumption is prioritized, dehydration efficiency may have to be sacrificed. Therefore, solving these problems is the key to improving the efficiency and quality of biogas treatment processes. Utility Model Content

[0004] This utility model provides a waste-to-energy biogas dehydration device, which aims to solve the problems of incomplete dehydration, high impurity content resulting in low calorific value and poor utilization efficiency in existing biogas treatment, as well as the easy contamination and blockage of the system by impurities.

[0005] This utility model is implemented as follows: a waste-to-energy biogas dehydration device includes a dehydration tank; the dehydration tank is divided into a first processing tank and a second processing tank by a partition plate; the dehydration tank has an air inlet connected to its inner cavity at the upper part of the first processing tank; at least two fixed frames are vertically arranged in the first processing tank, the fixed frames dividing the first processing tank into multiple layers of filtration chambers, each layer of filtration chamber including: an intercepting filter screen, vertically installed inside the fixed frame; a bottom filter screen, horizontally installed at the bottom of the filtration chamber; a compartment body is connected to the bottom of the dehydration tank; multiple receiving slots are arranged in the compartment body, each receiving slot is connected to a corresponding filtration chamber; a slag discharge pipe is connected to the bottom of each of the receiving slots; the multiple slag discharge pipes converge and connect to the same first slag discharge channel.

[0006] Preferably, a filter cylinder is mounted on the bottom side of the second treatment tank via a bearing. The filter cylinder is cylindrical with an open upper end, and its sidewalls are annularly distributed with filter holes and coated with a superhydrophobic coating.

[0007] Preferably, a servo motor is provided at the bottom of the second processing tank, and the output end of the servo motor is fixedly connected to the end of the filter drum.

[0008] Preferably, a heater is provided in the second processing tank, and the heater is arranged circumferentially along the side wall of the second processing tank.

[0009] Preferably, a conduit is provided between the second treatment tank and its adjacent filter chamber, and the conduit extends into the filter drum at a distance of 1 / 5 from the top.

[0010] Preferably, the filter pore size of the filter drum is smaller than that of the intercepting filter, and the filter pore size of the intercepting filter is smaller than that of the bottom trough filter, forming a three-stage layered filtration structure.

[0011] Preferably, a second slag discharge channel is provided at the bottom of the second processing tank and communicates with its inner cavity.

[0012] Preferably, the side wall of the second processing tank is provided with an exhaust pipe that communicates with its inner cavity.

[0013] Compared with the prior art, the embodiments of this application have the following main advantages:

[0014] Firstly, the three-stage filtration structure of this device not only improves biogas quality but also optimizes the overall performance of the dehydration system and extends its service life. The rational layout and filter hole size design of the intercepting filter, bottom tank filter, and filter drum ensure the gradual interception and effective discharge of impurities. This not only avoids contamination and clogging of the system's internal components by impurities but also reduces the burden on subsequent processing components. Simultaneously, the circumferential arrangement of the heater within the second processing tank ensures uniform temperature distribution within the tank, preventing localized overheating or underheating, further enhancing the system's stability and reliability.

[0015] Secondly, the biogas from this device enters the first treatment tank through the inlet of the dehydration tank, where it undergoes dual filtration by an intercepting filter and a bottom filter. The intercepting filter effectively blocks larger solid particles and impurities in the biogas, while the bottom filter further captures smaller particles and deposited impurities. This initial purification process significantly improves the quality of the biogas. Subsequently, the biogas enters the second treatment tank and undergoes fine filtration by a rotating filter drum, where extremely small particles and residual moisture are effectively removed. In particular, the centrifugal force and superhydrophobic coating design of the rotating filter drum greatly improve the dryness of the biogas. This series of efficient purification and dehydration steps ensures high-quality biogas output, providing a reliable guarantee for subsequent utilization or power generation. Attached Figure Description

[0016] Figure 1 This is a three-dimensional structural schematic diagram of the present invention;

[0017] Figure 2 This is a three-dimensional structural schematic diagram of the present invention;

[0018] Figure 3 This is a front structural diagram of the present invention;

[0019] Figure 4 This is a three-dimensional structural schematic diagram of the present invention;

[0020] Figure 5 This is a top view of the present invention;

[0021] Figure 6 This is a front sectional view of the structure of this utility model;

[0022] In the diagram: 1. Dehydration tank; 2. Divider plate; 3. First treatment tank; 4. Second treatment tank; 5. Air inlet; 6. Fixing frame; 7. Filter chamber; 8. Interception filter screen; 9. Bottom tank filter screen; 10. Chamber body; 11. Receiving tank; 12. Slag discharge pipe; 13. First slag discharge channel; 14. Filter drum; 15. Servo motor; 16. Heater; 17. Conduit; 18. Second slag discharge channel; 19. Exhaust pipe. Detailed Implementation

[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used herein in the specification of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having," and any variations thereof, in the specification, claims, and foregoing drawings of this application are intended to cover non-exclusive inclusion. The terms "first," "second," etc., in the specification, claims, or foregoing drawings of this application are used to distinguish different objects, not to describe a particular order.

[0024] In this document, the term "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0025] This utility model embodiment provides a waste-to-energy biogas dehydration device, such as... Figure 1-6As shown, the system includes a dehydration tank 1; the dehydration tank 1 is divided into a first processing tank 3 and a second processing tank 4 by a partition plate 2; the dehydration tank 1 has an air inlet 5 located at the upper part of the first processing tank 3, which is connected to its inner cavity; at least two fixed frames 6 are vertically arranged in the first processing tank 3, which divide the first processing tank 3 into multiple layers of filtration chambers 7, each layer of filtration chamber 7 including: an intercepting filter screen 8, which is vertically installed inside the fixed frame 6; a bottom filter screen 9, which is horizontally installed at the bottom of the filtration chamber 7; the bottom of the dehydration tank 1 is connected to a chamber body 10; the chamber body 10 is provided with multiple receiving grooves 11, each receiving groove 11 is connected to a corresponding filtration chamber 7; the bottom of each of the receiving grooves 11 is connected to a slag discharge pipe 12; the multiple slag discharge pipes 12 converge and are connected to the same first slag discharge channel 13.

[0026] It should be noted that existing biogas treatment methods often suffer from incomplete dehydration, high impurity content leading to low calorific value and poor utilization efficiency, and impurities easily contaminate and clog the system. This solution addresses these issues by employing a rational layout and pore size design of the intercepting filter 8, the bottom trough filter 9, and the filter drum 14. In this process, the biogas undergoes a gradual and efficient purification and dehydration process within the dehydration tank 1. From the moment it enters the first treatment tank 3 through the inlet 5, the biogas encounters initial obstruction from the intercepting filter 8, effectively removing larger solid particles and impurities. Subsequently, the bottom trough filter 9 further captures smaller particles and deposited impurities, significantly improving efficiency. The biogas quality is improved; after entering the second treatment tank 4, the filter drum 14, with its fine filter holes, centrifugal force, and superhydrophobic coating design, thoroughly removes the extremely small particles and residual moisture in the biogas, ensuring that the biogas is highly dry and pure. This series of steps not only avoids the contamination and blockage of the system by impurities and reduces the burden on subsequent treatment components, but also greatly improves the overall quality of biogas, providing a stable and reliable energy guarantee for subsequent utilization or power generation. At the same time, it optimizes the performance of the dehydration system, extends its service life, and enhances the stability and reliability of the system.

[0027] Specifically, in this embodiment, the solution mainly includes a dehydration tank 1; the interior of the dehydration tank 1 is divided into a first processing tank 3 and a second processing tank 4 by a partition plate 2; an air inlet 5 is provided at the top of the dehydration tank 1 to ensure that biogas can enter the interior of the first processing tank 3 for processing without obstruction.

[0028] Once the biogas enters the first treatment tank 3, it will first encounter the blocking of the intercepting filters 8. These intercepting filters 8 are installed vertically inside the fixed frame 6, mainly to intercept larger solid particles and impurities in the biogas and prevent them from entering the next layer of filter chamber 7. At the same time, each filter chamber 7 has a bottom groove filter 9 installed horizontally at the bottom, which is responsible for capturing smaller particles and impurities that remain after passing through the intercepting filters 8, especially those impurities that are deposited at the bottom, to ensure further purification of the biogas.

[0029] As the biogas is filtered deeper and deeper, the moisture and fixed impurities are gradually removed, and the quality of the biogas is significantly improved. In order to effectively discharge these intercepted impurities and moisture, the bottom of the dehydration tank 1 is connected to the chamber 10. Multiple receiving grooves 11 are set inside the chamber 10, and each receiving groove 11 is tightly connected to the corresponding filter chamber 7 in the first processing tank 3. In this way, the impurities and moisture deposited on the bottom filter screen 9 can flow into the corresponding receiving groove 11 without any obstruction.

[0030] At the bottom of the silo 10, each receiving tank 11 is equipped with an independent slag discharge pipe 12; these slag discharge pipes 12 collect the impurities and moisture in the receiving tank 11 and finally discharge them into the first treatment tank 3 through the first slag discharge channel 13.

[0031] In a further preferred embodiment of this utility model, such as Figure 4 As shown, a filter cylinder 14 is mounted on the bottom side of the second treatment tank 4 via a bearing. The filter cylinder 14 is a cylindrical shape with an open upper end face, and its side wall is circumferentially distributed with filter holes and coated with a superhydrophobic coating.

[0032] In this embodiment, the purified biogas continues to flow into the second treatment tank 4 for processing. The biogas falls into the filter drum 14, the upper end of which is an open cylinder. This design greatly facilitates the entry and flow of biogas. The side wall is covered with small filter holes in a ring, which can further block any tiny particles and impurities that may remain in the biogas, ensuring the purity of the biogas.

[0033] When the filter drum 14 rotates, its centrifugal force effectively throws the water in the biogas to the outside of the filter drum 14, achieving effective separation of water and biogas. The side wall of the filter drum 14 is also coated with a high-performance superhydrophobic coating, which not only prevents the water in the biogas from condensing or lingering on the surface of the filter drum 14, but also further improves the dryness of the biogas, thereby greatly improving the processing efficiency of the entire dehydration system.

[0034] In a further preferred embodiment of this utility model, such as Figure 6 As shown, a servo motor 15 is installed at the bottom of the second processing tank 4, and the output end of the servo motor 15 is fixedly connected to the end of the filter drum 14.

[0035] In this embodiment, the servo motor 15, with its high-precision control and stable performance, ensures the stability and reliability of the filter drum 14 during rotation. This design not only improves the automation level of the dewatering system, but also allows the rotation speed of the filter drum 14 to be precisely controlled, thereby further optimizing the dewatering efficiency and quality of biogas.

[0036] In a further preferred embodiment of this utility model, such as Figure 6 As shown, a heater 16 is provided in the second processing tank 4, and the heater 16 is arranged circumferentially along the side wall of the second processing tank 4.

[0037] In this embodiment, the presence of heater 16 not only helps to further remove any residual moisture in the biogas and improve the dryness of the biogas, but also increases the temperature of the biogas to a certain extent, making it more suitable for subsequent utilization or power generation. At the same time, since heater 16 is arranged circumferentially along the side wall, it can ensure that the temperature distribution in the second processing tank 4 is more uniform, avoiding local overheating or insufficient temperature.

[0038] In a further preferred embodiment of this utility model, such as Figure 6 As shown, a conduit 17 is provided between the second processing tank 4 and its adjacent filter chamber 7, and the conduit 17 extends into the filter drum 14 at a distance of 1 / 5 from the top.

[0039] In this embodiment, the conduit 17 is positioned at 1 / 5 of the distance from the top, which ensures that the biogas can be evenly distributed in the internal space of the rotating drum after entering it, thus avoiding differences in filtration effect caused by uneven distribution of biogas.

[0040] In a further preferred embodiment of this utility model, such as Figure 6 As shown, the filter hole size of the filter drum 14 is smaller than that of the interception filter 8, and the filter hole size of the interception filter 8 is smaller than that of the bottom groove filter 9, forming a three-stage layered filtration structure.

[0041] In this embodiment, the bottom trough filter 9, as the first layer of the three-stage filtration structure, has the largest filter pore size and is responsible for capturing smaller particles and impurities that remain after passing through the upper filtration components, especially those impurities deposited at the bottom. The main function of the intercepting filter 8 is to block larger solid particles and impurities in the biogas, preventing them from entering the next layer of filtration chamber 7, thereby reducing the burden on subsequent filtration components and extending the service life of the entire dehydration system. The filter drum 14 has the smallest filter pore size and is located in the last layer of the three-stage filtration structure, responsible for capturing extremely small particles and impurities that may remain in the biogas.

[0042] In a further preferred embodiment of this utility model, such as Figure 3 As shown, a second slag discharge channel 18 is provided at the bottom of the second processing tank 4 and is connected to its inner cavity.

[0043] In this embodiment, the second slag discharge channel 18 takes into account the efficiency of impurity discharge and the convenience of operation, ensuring that the impurities accumulated at the bottom can be smoothly guided to the external treatment system without affecting the normal biogas treatment process.

[0044] In a further preferred embodiment of this utility model, such as Figure 6 As shown, the side wall of the second processing tank 4 is provided with an exhaust pipe 19 that communicates with its inner cavity.

[0045] In this embodiment, the exhaust pipe 19 is provided to ensure that the biogas after fine treatment can be discharged smoothly and efficiently from the second treatment tank 4 for subsequent use.

[0046] Working principle: The dehydration tank 1 of this device is divided into a first processing tank 3 and a second processing tank 4 by a partition plate 2; an air inlet 5 is provided at the top of the dehydration tank 1 to ensure that biogas can enter the first processing tank 3 for processing.

[0047] Once the biogas enters the first treatment tank 3 through the inlet 5, it will encounter an intercepting filter 8 vertically installed inside the fixed frame 6. The main function of the intercepting filter 8 is to block larger solid particles and impurities in the biogas and prevent them from entering the next layer of the filtration chamber 7. At the same time, each filtration chamber 7 has a bottom groove filter 9 installed horizontally at the bottom. These bottom groove filters 9 are responsible for capturing smaller particles and impurities that remain after passing through the intercepting filter 8, especially those impurities that are deposited at the bottom, thereby ensuring further purification of the biogas.

[0048] As the biogas is filtered deeper and deeper, the moisture and solid impurities are gradually removed, and the quality of the biogas is significantly improved. In order to effectively discharge these intercepted impurities and moisture, the bottom of the dehydration tank 1 is connected to the chamber 10. Multiple receiving slots 11 are set inside the chamber 10, and each receiving slot 11 is tightly connected to the corresponding filter chamber 7 in the first processing tank 3 to ensure that the impurities and moisture deposited on the bottom filter screen 9 can flow into the corresponding receiving slot 11 without hindrance.

[0049] At the bottom of the silo 10, each receiving tank 11 is equipped with an independent slag discharge pipe 12; these slag discharge pipes 12 collect the impurities and moisture in the receiving tank 11 and finally discharge them into the dehydration tank 1 through the first slag discharge channel 13, thus completing the first stage of treatment.

[0050] After initial purification, the biogas continues to flow into the second treatment tank 4 for further processing. In the second treatment tank 4, the biogas falls into the filter drum 14. The upper end of the filter drum 14 is designed as an open cylinder, which greatly facilitates the entry and flow of biogas. Small filter holes are distributed in a ring on its side wall. These filter holes can further block the tiny particles and impurities that may remain in the biogas, ensuring that the purity of the biogas reaches a higher level.

[0051] To ensure the stability and reliability of the filter drum 14 during rotation, a servo motor 15 is installed at the bottom of the second processing tank 4. With its high-precision control and stable performance, the servo motor 15 drives the filter drum 14 to work at a precise rotation speed, thereby further optimizing the dehydration efficiency and quality of biogas.

[0052] When the filter drum 14 rotates, its centrifugal force effectively throws the water in the biogas to the outside of the drum, achieving effective separation of water and biogas. In addition, the side wall of the filter drum 14 is coated with a high-performance superhydrophobic coating. This coating not only prevents the water in the biogas from condensing or lingering on the surface of the drum, but also further improves the dryness of the biogas, thereby greatly improving the processing efficiency of the entire dehydration system.

[0053] To further improve the quality and applicability of biogas, a heater 16 is also installed in the second treatment tank 4; this ensures a more uniform temperature distribution within the tank and avoids local overheating or insufficient temperature; the presence of the heater 16 not only helps to further remove any residual moisture in the biogas and improve its dryness, but also raises the temperature of the biogas to a certain extent, making it more suitable for subsequent utilization or power generation.

[0054] The bottom trough filter 9, as the first layer, has the largest pore size and is responsible for capturing larger impurities and particles. The interception filter 8, located after the bottom trough filter 9, has smaller pore sizes and mainly blocks medium-sized solid particles and impurities. The filter drum 14, with the smallest pore size, is located in the last layer of the three-stage filtration structure and is responsible for capturing extremely small particles and impurities that may remain in the biogas. This filtration structure design ensures both sufficient filtration area and effective interception of impurities, providing a strong guarantee for the efficient purification and dehydration of biogas.

[0055] It should be noted that, for the sake of simplicity, the foregoing embodiments are all described as a series of actions. However, those skilled in the art should understand that the present invention is not limited to the described order of actions, as some steps may be performed in other orders or simultaneously according to the present invention. Furthermore, those skilled in the art should also understand that the embodiments described in the specification are preferred embodiments, and the actions and modules involved are not necessarily essential to the present invention.

[0056] It should be understood that the disclosed apparatus can be implemented in other ways, given the several embodiments provided in this application. For example, the apparatus embodiments described above are merely illustrative. For instance, the division of units described above may be implemented in other ways in practice. For example, multiple units or components may be combined or integrated into another system, or some features may be ignored or not executed. Furthermore, the coupling or communication connections shown or discussed may be through some interfaces; indirect coupling or communication connections between devices or units may be telecommunications or other forms.

[0057] The units described above as separate components may or may not be physically separate. The components shown as units may or may not be physical units; that is, they may be located in one place or distributed across multiple network units. Some or all of the units can be selected to achieve the purpose of this embodiment according to actual needs.

[0058] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit the scope of protection of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on these embodiments, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model. Although this utility model has been described in detail with reference to the above embodiments, those skilled in the art can still combine, add, delete, or otherwise adjust the features of the various embodiments of this utility model according to the circumstances without conflict or creative effort, thereby obtaining different technical solutions that do not fundamentally depart from the concept of this utility model. These technical solutions are also within the scope of protection of this utility model.

Claims

1. A waste-to-energy biogas dehydration device, characterized in that, include: Dehydration tank; The dehydration tank is divided into a first processing tank and a second processing tank by a partition plate; The dehydration tank is located at the top of the first processing tank and has an air inlet that communicates with its internal cavity; At least two fixed frames are vertically arranged inside the first processing tank, and the fixed frames divide the first processing tank into multiple layers of filtration chambers. Each layer of filtration chamber includes: The filter screen is vertically installed inside the fixed frame; The bottom groove filter screen is installed horizontally at the bottom of the filter chamber. The bottom of the dehydration tank is connected to the chamber body; The chamber is equipped with multiple receiving slots, each of which is connected to a corresponding filter chamber; Several receiving tanks are connected to a slag discharge pipe at their bottom positions; Several slag discharge pipes converge and connect to the same first slag discharge channel.

2. The waste-to-energy biogas dehydration device as described in claim 1, characterized in that, The bottom of the second treatment tank is equipped with a filter cylinder mounted on a bearing. The filter cylinder is cylindrical with an open top surface, and its sidewalls are covered with filter holes in a ring. The sidewalls are also coated with a superhydrophobic coating.

3. The waste-to-energy biogas dehydration device as described in claim 2, characterized in that, A servo motor is installed at the bottom of the second processing tank, and the output end of the servo motor is fixedly connected to the end of the filter drum.

4. The waste-to-energy biogas dehydration device as described in claim 3, characterized in that, A heater is installed in the second processing tank, and the heater is arranged circumferentially along the side wall of the second processing tank.

5. The waste-to-energy biogas dehydration device as described in claim 4, characterized in that, A connecting conduit is provided between the second treatment tank and its adjacent filter chamber, extending into the filter drum at a distance of 1 / 5 from the top.

6. The waste-to-energy biogas dehydration device as described in claim 5, characterized in that, The filter pore size of the rotating filter drum is smaller than that of the intercepting filter, and the filter pore size of the intercepting filter is smaller than that of the bottom tank filter, forming a three-stage layered filtration structure.

7. The waste-to-energy biogas dehydration device as described in claim 5, characterized in that, The bottom of the second processing tank is equipped with a second slag discharge channel that communicates with its inner cavity.

8. The waste-to-energy biogas dehydration device as described in claim 7, characterized in that, The side wall of the second processing tank is provided with an exhaust pipe that communicates with its inner cavity.

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