Three-phase separator for anaerobic jar
By designing a multi-layer biogas collection area and sludge overflow channel in the three-phase separator, we ensure that there is enough space for sludge to pass through, and solving the problem of excessively fast sludge flow rate and poor sludge retention capacity in traditional three-phase separators, achieving more efficient sludge separation and microbial retention.
Patent Information
- Application Number
- CN202420416376.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-04
- Publication Date
- 2025-03-04
- Estimated Expiration
- 2034-03-04
AI Technical Summary
While improving the biogas collection efficiency, the traditional three-phase separator causes the sludge flow rate to be too fast, and microorganisms flow out with water, resulting in a decrease in the number of microorganisms in the anaerobic tank and poor sludge retention capacity.
A three-phase separator is designed, including a multi-layer biogas collection area and a sludge overflow channel. The horizontal projection area of the sludge overflow channel is not less than the projection area of the biogas collection channel, ensuring that the sludge has sufficient passage space, slowing down the flow rate, and extending the residence time for sufficient separation.
By extending the residence time of the sludge and slowing down the flow rate, the separation efficiency of the sludge is improved, the number of microorganisms in the anaerobic tank is retained, thereby enhancing the degradation ability of organic matter and improving the working efficiency of the anaerobic tank.
Smart Images
Figure CN222556706U_ABST
Abstract
Description
Technical Field
[0001] The present application belongs to the technical field of anaerobic reactors, and in particular relates to a three-phase separator for an anaerobic tank. Background Art
[0002] The three-phase separator is a key device used to separate biogas, sludge and wastewater in an anaerobic tank. The sludge needs to be separated into biogas, sludge and wastewater. The quality of its design structure directly determines the operating effect and stability of the anaerobic reactor. In order to improve the collection efficiency of biogas, traditional three-phase separators are usually equipped with larger gas collecting cones, but while meeting the gas collection effect, the flow gaps between the gas collecting cones are smaller, so that the flow rate of the sludge is higher when passing through the flow gaps. The high flow rate will cause the microorganisms (sludge) in the tank to flow out with the water, resulting in a decrease in the number of microorganisms in the tank. The microorganisms in the anaerobic tank are the key to degrading organic matter, and their number directly determines the operating results of the anaerobic tank. Therefore, the three-phase separator in traditional technology can only achieve a decent gas collection effect and poor sludge retention capacity. Utility Model Content
[0003] The present application provides a three-phase separator for an anaerobic tank to solve the technical problem of poor pollution interception ability of a traditional three-phase separator.
[0004] The technical solution adopted in this application is:
[0005] A three-phase separator for an anaerobic tank comprises a separator body, wherein the separator body comprises a biogas collection chamber and a sludge separation chamber which are interconnected, the top of the sludge separation chamber is open, and the sludge separation chamber is provided with multiple layers of biogas collection areas in the vertical direction, each of the biogas collection areas comprises a plurality of gas collecting pieces arranged at intervals along the horizontal direction, and a sludge flow channel for the sludge to pass through is formed between two adjacent gas collecting pieces, the gas collecting pieces are provided with a biogas collection channel for collecting biogas and guiding the biogas to move toward the biogas collection chamber, the biogas collection chamber is connected with the sludge separation chamber through the biogas collection channel, and the projected area of the sludge flow channel on the horizontal plane is not less than the projected area of the biogas collection channel on the horizontal plane.
[0006] The three-phase separator for anaerobic tank of the present application also includes the following additional technical features:
[0007] The ratio of the cross-sectional area of any sludge flow channel in each biogas collection area projected on the horizontal plane to the cross-sectional area of any biogas collection channel projected on the horizontal plane is 1:1.
[0008] The number of the biogas collection areas is five, and the sludge flow channels in two adjacent layers of biogas collection areas are staggered in the vertical direction.
[0009] The projection of the biogas collection channel formed by the biogas collection area located at the upper layer in the two adjacent layers on the horizontal plane covers the projection of the sludge flow channel formed by the biogas collection area located at the lower layer on the horizontal plane.
[0010] The gas collecting member comprises two inclined plates, which are spliced into a conical structure, the tip of which is arranged upward, and the gas collecting member forms the biogas collecting channel.
[0011] The gas collecting member further comprises a dividing portion, one end of which is connected to the tip of the conical structure of the gas collecting member, and the other end of which extends upward.
[0012] The bottom end of the inclined plate is provided with a guide portion extending vertically downward for guiding the movement of the swamp mud.
[0013] The separator body comprises a plurality of biogas separation chambers, and the biogas separation chambers are distributed on both sides of the biogas collection chamber.
[0014] One end of the gas collecting member is connected to the outer wall of the biogas collecting chamber, and the other end is connected to the inner wall of the biogas separation chamber.
[0015] The gas collecting member is detachably connected to the biogas collecting chamber.
[0016] Due to the adoption of the above technical solution, the beneficial effects achieved by this application are as follows:
[0017] 1. The three-phase separator of the present application includes a biogas separation chamber and a biogas collection chamber, wherein the biogas separation chamber is used to separate the biogas in the sludge. Since the density of the separated biogas is lower than that of the air, it is collected by the gas collecting parts in each biogas collection area during the floating process and then transmitted to the biogas collection chamber, thereby completing the collection of biogas; each biogas collection area includes a sludge flow channel located in two adjacent gas collecting parts, wherein the projected area of the sludge flow channel on the horizontal plane is not less than the projected area of the biogas collection channel on the horizontal plane, so that the sludge has sufficient passing space when passing through each sludge flow channel, so that the sludge is not squeezed by the narrow space and has a faster downstream speed. On the one hand, the residence time of the sludge in the three-phase separator is extended, so that there is more reaction time, so that the sludge can be more fully separated; on the other hand, the low sludge flow rate can slow down the impact on the microorganisms in the anaerobic tank, so that the number of microorganisms is relatively well preserved, thereby enhancing the degradation of organic matter in the sludge and providing a guarantee for the working efficiency of the anaerobic tank.
[0018] 2. As a preferred embodiment of the utility model, the cross-sectional area of the sludge flow channel projected on the horizontal plane is set to be 1:1 with the cross-sectional area of any biogas collection channel projected on the horizontal plane, so that sufficient movement space is left for the sludge on the premise of ensuring that the three-phase separator has sufficient biogas interception capacity, so that the sludge will not be squeezed by the relatively narrow sludge flow channel and move rapidly, thereby reducing the probability of insufficient separation and excessive scouring of microorganisms caused by rapid movement of sludge.
[0019] 3. As a preferred embodiment of the present invention, the number of biogas collection areas is set to five layers, so that the biogas passes through five biogas collection areas in sequence during the rising process, so that it can be intercepted and collected more effectively, and the sludge flow channels in the two adjacent layers of biogas collection areas are staggered in the vertical direction. When the biogas rises from the sludge flow channels located in the lower layer, it will be intercepted by the biogas collection areas located in the upper layer, thereby achieving full coverage of the biogas collection chamber by the biogas collection areas in the vertical direction. On the premise of ensuring that the sludge has sufficient passing space when passing through each sludge flow channel, multiple biogas collection areas can fully intercept the biogas and transport it to the biogas collection chamber, reducing the probability of biogas passing through each sludge flow channel without being collected by the gas collecting component, thereby improving the biogas collection efficiency of the three-phase separator. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:
[0021] Figure 1 This is a schematic structural diagram of a three-phase separator in one embodiment of the present application;
[0022] Figure 2 for Figure 1 Enlarged view of part A.
[0023] List of reference numerals:
[0024] 1 separator body;
[0025] 2 Biogas collection room;
[0026] 3. Sludge separation chamber;
[0027] 4 gas collecting member, 41 inclined plate, 42 dividing portion, 43 guiding portion;
[0028] 5. Mud flow channel. DETAILED DESCRIPTION
[0029] In order to more clearly illustrate the overall concept of the present application, a detailed description is given below in an illustrative manner in conjunction with the accompanying drawings.
[0030] In the following description, many specific details are set forth to facilitate a full understanding of the present application. However, the present application may also be implemented in other ways different from those described herein. Therefore, the protection scope of the present application is not limited by the specific embodiments disclosed below. It should be noted that the embodiments of the present application and the features in each embodiment may be combined with each other without conflict.
[0031] In addition, in the description of the present application, it should be understood that the orientations or positional relationships indicated by the terms "top", "bottom", "inside", "outside", "axial", "radial", "circumferential", etc. are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.
[0032] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like 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, an electrical connection, or a communication; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.
[0033] In the present application, unless otherwise clearly specified and limited, a first feature "above" or "below" a second feature may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in an appropriate manner in any one or more embodiments or examples.
[0034] like Figure 1 , Figure 2As shown, a three-phase separator for an anaerobic tank comprises a separator body 1, wherein the separator body 1 comprises a biogas collecting chamber 2 and a sludge separation chamber 3 which are interconnected, wherein the top of the sludge separation chamber 3 is open, and the sludge separation chamber 3 is provided with a plurality of biogas collecting areas in a vertical direction, wherein each of the biogas collecting areas comprises a plurality of gas collecting members 4 which are arranged at intervals along a horizontal direction, and a sludge flow channel 5 for sludge to pass through is formed between two adjacent gas collecting members 4, wherein the gas collecting members 4 are provided with a biogas collecting channel for collecting biogas and guiding the biogas to move toward the biogas collecting chamber 2, wherein the biogas collecting chamber 2 is connected to the sludge separation chamber 3 via the biogas collecting channel, and a projected area of the sludge flow channel 5 on a horizontal plane is not less than a projected area of the biogas collecting channel on a horizontal plane.
[0035] The three-phase separator of the present application includes a sludge separation chamber 3 and a biogas collection chamber 2, wherein the sludge separation chamber 3 is used to separate the biogas in the sludge. Since the density of the separated biogas is lower than that of the air, it is collected by the gas collecting parts 4 in each biogas collection area during the floating process and then transmitted to the biogas collection chamber 2, thereby completing the collection of biogas; each biogas collection area includes a sludge flow channel 5 located in two adjacent gas collecting parts 4, wherein the projected area of the sludge flow channel 5 on the horizontal plane is not less than the projected area of the biogas collection channel on the horizontal plane, so that the sludge has sufficient passing space when passing through each sludge flow channel 5, so that the sludge is not squeezed by the narrow space and has a faster downstream speed. On the one hand, the residence time of the sludge in the three-phase separator is extended, so that there is more reaction time, so that the sludge can be more fully separated; on the other hand, the lower sludge flow rate can slow down the impact on the microorganisms in the anaerobic tank, so that the number of microorganisms is relatively well preserved, thereby enhancing the degradation of organic matter in the sludge and providing a guarantee for the working efficiency of the anaerobic tank.
[0036] As a preferred implementation of the present application, Figure 1 As shown, the ratio of the cross-sectional area of any of the sludge flow channels 5 in each of the biogas collection areas projected on the horizontal plane to the cross-sectional area of any of the biogas collection channels projected on the horizontal plane is 1:1. The cross-sectional area of the sludge flow channel 5 projected on the horizontal plane is set to be 1:1 with the cross-sectional area of any of the biogas collection channels projected on the horizontal plane, which leaves enough movement space for the sludge while ensuring that the three-phase separator has sufficient biogas interception capacity, so that the sludge is not squeezed by the relatively narrow sludge flow channel 5 and does not move rapidly, thereby reducing the probability of insufficient separation and excessive scouring of microorganisms caused by rapid movement of the sludge.
[0037] As a preferred implementation of the present application, Figure 1As shown, the number of biogas collection areas is five, and the sludge flow channels 5 in the two adjacent layers of biogas collection areas are staggered in the vertical direction. The number of biogas collection areas is set to five, so that the biogas passes through five biogas collection areas in sequence during the rising process, so that it can be intercepted and collected more effectively, and the sludge flow channels 5 in the two adjacent layers of biogas collection areas are staggered in the vertical direction. When the biogas rises from the sludge flow channels 5 located in the lower layer, it will be intercepted by the biogas collection area located in the upper layer, so that the biogas collection area in the vertical direction fully covers the biogas collection chamber 2. On the premise of ensuring that the sludge has enough passing space when passing through each sludge flow channel 5, multiple biogas collection areas can fully intercept the biogas and transport it to the biogas collection chamber 2, reducing the probability of biogas passing through each sludge flow channel 5 without being collected by the gas collecting member 4, and improving the biogas collection efficiency of the three-phase separator.
[0038] As a preferred embodiment of this implementation, Figure 1 As shown, the projection of the biogas collection channel formed by the biogas collection area located in the upper layer of the two adjacent layers on the horizontal plane covers the projection of the sludge flow channel 5 formed by the biogas collection area located in the lower layer on the horizontal plane. The biogas escaped from the sludge flow channel 5 in the two adjacent layers will float in the vertical direction and be collected by the biogas collection channel located above, further reducing the probability of biogas flowing out of the three-phase separator from the sludge flow channel 5.
[0039] The present application does not limit the structural form of the gas collecting member 4, which may adopt any of the following embodiments:
[0040] Embodiment 1: The gas collecting member 4 includes two vertical plates and a top plate, and the two vertical plates and the top plate are spliced into a rectangular structure with an open bottom.
[0041] Implementation method 2: Figure 2 As shown, the gas collecting piece 4 includes two inclined plates 41, and the two inclined plates 41 are spliced into a conical structure, the tip of the conical structure is arranged upward, and the gas collecting piece 4 forms the biogas collection channel. Setting the gas collecting piece 4 as a conical structure, on the one hand, saves the material of the gas collecting piece 4. Compared with the rectangular gas collecting piece 4 of the first embodiment, the gas collecting piece 4 under this embodiment only needs two inclined plates 41 to be assembled, which optimizes the structural form of the gas collecting piece 4 and simplifies the assembly process of the gas collecting piece 4; on the other hand, setting the gas collecting piece 4 as a conical structure, when the sludge passes through the gas collecting piece 4, the cone head at the top of the gas collecting piece 4 can avoid the probability of the sludge being intercepted by the top of the gas collecting piece 4 when passing through the gas collecting piece 4, and provide guarantee for the smooth movement of the sludge.
[0042] As a preferred embodiment of the second implementation mode, Figure 2As shown, the gas collecting member 4 also includes a dividing portion 42, one end of which is connected to the tip of the conical structure of the gas collecting member 4, and the other end extends upward. By setting the dividing portion 42, the sludge falling from the top of the gas collecting member 4 can be divided. The sludge slides to both ends of the dividing portion 42 under the dividing effect of the dividing portion 42, and moves to the sludge flow channel 5 on the side of the gas collecting member 4 under the guidance of the inclined plate 41. The whole movement process greatly reduces the kinetic energy loss caused by the sludge hitting the gas collecting member 4, and improves the smoothness of the sludge movement.
[0043] As another preferred embodiment under the second embodiment, Figure 2 As shown, the bottom end of the inclined plate 41 is provided with a guide portion 43 extending vertically downward for guiding the movement of the sludge. By providing the guide portion 43, when the sludge moves from the side of the gas collecting member 4 to the sludge flow passage 5, the movement direction is adjusted from the oblique direction to the vertical direction under the guidance of the guide portion 43, so that the movement of the sludge in the sludge separation chamber 3 is smoother, and the occurrence of the collision between the sludge caused by the sludge impacting the gas collecting member 4 when the sludge moves along the oblique direction is reduced.
[0044] As a preferred embodiment of the present application, Figure 1 As shown, the separator body 1 includes a plurality of sludge separation chambers 3, and the sludge separation chambers 3 are distributed on both sides of the biogas collection chamber 2. The separator body 1 is configured to include a plurality of sludge separation chambers 3, which increases the amount of sludge that can be separated by the three-phase separator, thereby improving the working efficiency of the three-phase separator.
[0045] As a preferred embodiment of this implementation, Figure 1 As shown, one end of the gas collecting member 4 is connected to the outer wall of the biogas collecting chamber 2, and the other end is connected to the inner wall of the sludge separation chamber 3. The gas collecting member 4 is arranged to be connected to the outer wall of the biogas collecting chamber 2 and the inner wall of the sludge separation chamber 3 respectively, which increases the working length of the biogas intercepted by the gas collecting member 4, thereby improving the biogas interception efficiency of the gas collecting member 4 and improving the biogas collection rate of the three-phase separator.
[0046] Preferably, the gas collecting member 4 has a first end connected to the outer wall of the biogas collecting chamber 2 and a second end connected to the inner wall of the biogas separation chamber 3, and the first end is higher in the vertical direction than the second end, so that the biogas collecting channel extends upwardly from the second end to the first end. Biogas can float up to the biogas collecting chamber 2 along the inclined biogas collecting channel, and there is no need to set a driving member to drive the biogas into the biogas collecting chamber 2, thereby optimizing the structural design of the three-phase separator.
[0047] This embodiment does not limit the installation method of the gas collecting member 4, and it can adopt any one of the following examples:
[0048] Example 1: The gas collecting member 4 is connected to the sludge separation chamber 3 and the sludge separation chamber 3 by welding, or the gas collecting member 4 is integrally formed with the sludge separation chamber 3 and the sludge separation chamber 3, which can improve the connection strength of the gas collecting member 4.
[0049] Example 2: The gas collecting member 4 is detachably connected to the biogas collecting chamber 2. The gas collecting member 4 can be easily disassembled for cleaning, which reduces the difficulty of cleaning the three-phase separator; in addition, the gas collecting member 4 with different structural sizes can be replaced according to different separation requirements, which improves the separation adaptability of the three-phase separator.
[0050] Anything not described in this application can be achieved by adopting or drawing on existing technologies.
[0051] The various embodiments in this specification are described in a progressive manner, and the same or similar parts between the various embodiments can be referenced to each other, and each embodiment focuses on the differences from other embodiments.
[0052] The above is only an embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the present application may have various changes and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims
1. A three-phase separator for an anaerobic tank, characterized in that: It includes a separator body, which includes a biogas collection chamber and a sludge separation chamber that are interconnected. The top of the sludge separation chamber is open, and the sludge separation chamber is provided with multiple layers of biogas collection areas in the vertical direction. Each of the biogas collection areas includes a plurality of gas collecting pieces arranged at intervals along the horizontal direction, and a sludge flow channel for the sludge to pass through is formed between two adjacent gas collecting pieces. The gas collecting pieces are provided with a biogas collection channel for collecting biogas and guiding the biogas to move toward the biogas collection chamber. The biogas collection chamber is connected to the sludge separation chamber through the biogas collection channel, and the projected area of the sludge flow channel on the horizontal plane is not less than the projected area of the biogas collection channel on the horizontal plane.
2. The three-phase separator for an anaerobic tank according to claim 1, characterized in that: The ratio of the cross-sectional area of any of the sludge flow channels in each of the biogas collection areas projected on the horizontal plane to the cross-sectional area of any of the biogas collection channels projected on the horizontal plane is 1:
1.
3. The three-phase separator for an anaerobic tank according to claim 1 or 2, characterized in that: The number of the biogas collection areas is five, and the sludge flow channels in two adjacent layers of the biogas collection areas are staggered in the vertical direction.
4. The three-phase separator for an anaerobic tank according to claim 3, characterized in that: The projection of the biogas collection channel formed by the biogas collection area located at the upper layer of two adjacent layers on the horizontal plane covers the projection of the sludge flow channel formed by the biogas collection area located at the lower layer on the horizontal plane.
5. The three-phase separator for an anaerobic tank according to claim 1 or 2, characterized in that: The gas collecting member comprises two inclined plates, which are spliced into a conical structure, the tip of which is arranged upward, and the gas collecting member forms the biogas collecting channel.
6. The three-phase separator for an anaerobic tank according to claim 5, characterized in that: The gas collecting member further comprises a dividing portion, one end of which is connected to the tip of the conical structure of the gas collecting member, and the other end of which extends upward.
7. The three-phase separator for an anaerobic tank according to claim 5, characterized in that: The bottom end of the inclined plate is provided with a guide portion extending vertically downward for guiding the movement of the swamp mud.
8. The three-phase separator for an anaerobic tank according to claim 1 or 2, characterized in that: The separator body comprises a plurality of biogas separation chambers, and the biogas separation chambers are distributed on both sides of the biogas collection chamber.
9. The three-phase separator for an anaerobic tank according to claim 8, characterized in that: One end of the gas collecting member is connected to the outer wall of the biogas collecting chamber, and the other end is connected to the inner wall of the biogas separation chamber.
10. The three-phase separator for an anaerobic tank according to claim 9, characterized in that: The gas collecting member is detachably connected to the biogas collecting chamber.