CN216857004U - Anaerobic tower granular sludge screening device - Google Patents

Abstract

The utility model discloses a screening device for granular sludge in an anaerobic tower, which comprises: the screening bin is provided with a mixture inlet, a granular sludge outlet and a waste material outlet; the mixture inlet is positioned in the middle of the screening bin and is connected with a mixture conveying pipe, and the port of the mixture conveying pipe is detachably connected with the discharge port of the anaerobic tower; the granular sludge outlet is arranged at the top of the screening bin; the waste discharge port is located at the bottom of the screening bin. The gravel sludge mixture is continuously input into the screening bin from the mixture inlet, the gravel sinks to the bottom of the screening bin through sedimentation and gravity difference of the gravel and the granular sludge, the granular sludge floats on a gravel layer, the granular sludge floating on the top is discharged from the granular sludge discharge port and the gravel is discharged from the waste discharge port positioned at the bottom in the process of continuously inputting the gravel sludge mixture.

Description

Anaerobic tower granular sludge screening device

Technical Field

The application relates to the field of anaerobic towers, in particular to a granular sludge screening device for an anaerobic tower.

Background

The anaerobic tower is also called an upflow anaerobic composite bed reactor UBF, and the anaerobic composite bed reactor is actually a combination of an anaerobic biofilter AF and an upflow anaerobic sludge reactor UASB, so the anaerobic tower is also called a UBF reactor. The anaerobic composite bed reactor has suspended sludge layer in the lower part and stuffing in the upper part, and the anaerobic composite bed reactor has stuffing layer with proper thickness reduced and certain space between the water distributing system and the stuffing layer in the bottom for granular sludge to grow and accumulate.

After long-term use, a large amount of anaerobic granular sludge can be remained in the anaerobic tower, if the anaerobic tower is scrapped, and the anaerobic granular sludge remained in the anaerobic tower is also scrapped, the total amount of the granular sludge in the two anaerobic towers is estimated to be 2000-3000 tons, if the granular sludge is not recycled, a large amount of waste can be caused, however, because the anaerobic tower runs for a long time, calcification phenomenon has occurred, gravel and anaerobic sludge are mixed into a whole, if the gravel is discharged by gravity flow, the gravel cannot be used, and only can be abandoned, and if the gravel is directly used, the gravel enters a new anaerobic tower to influence the running.

SUMMERY OF THE UTILITY MODEL

Therefore, the device for screening the granular sludge in the anaerobic tower needs to be provided to solve the problems that a large amount of granular sludge-containing mixtures are remained in waste anaerobic towers in the prior art, and are directly discharged and cannot be utilized, so that a large amount of waste is caused.

In order to achieve the above objects, the present invention provides an anaerobic tower granular sludge screening apparatus, comprising:

the screening bin is provided with a mixture inlet, a granular sludge outlet and a waste material outlet; the mixture inlet is positioned in the middle of the screening bin and is connected with a mixture conveying pipe, and the port of the mixture conveying pipe is detachably connected with the discharge port of the anaerobic tower; the granular sludge discharge port is arranged at the top of the screening bin; the waste discharge port is positioned at the bottom of the screening bin.

In some embodiments, further comprising:

the first quick connector is arranged at a discharge outlet of the anaerobic tower;

the second quick connector is arranged at the port of the mixture conveying pipe and is detachably connected with the first quick connector.

In some embodiments, the reject outlet is provided at the floor of the screening bin.

In some embodiments, further comprising:

the support is arranged at the bottom of the screening bin so as to suspend the screening bin.

In some embodiments, further comprising:

and one end of the granular sludge conveying pipe is connected with the granular sludge discharge port, and the other end of the granular sludge conveying pipe is used for being connected with a granular sludge inlet of another anaerobic tower.

In some embodiments, further comprising:

the third quick joint is arranged at the granular sludge inlet of the other anaerobic tower;

and the fourth quick connector is arranged at the port of the granular sludge conveying pipe and is detachably connected with the third quick connector.

In some embodiments, further comprising:

and one end of the waste conveying pipe is connected with a waste discharging port.

In some embodiments, the width of the bottom of the screening chamber decreases from top to bottom.

In some embodiments, further comprising:

the filter screen, the filter screen is located granular sludge discharge port department.

In some embodiments, further comprising:

and the mixture extraction pump is arranged at the mixture conveying pipe and is used for extracting the mixture into the screening bin.

Different from the prior art, the anaerobic tower granular sludge screening device comprises a screening bin, wherein the screening bin is provided with a mixture inlet, a granular sludge discharge port and a waste discharge port; the mixture inlet is positioned in the middle of the screening bin and is connected with a mixture conveying pipe, and the port of the mixture conveying pipe is detachably connected with the discharge port of the anaerobic tower; the granular sludge discharge port is arranged at the top of the screening bin; the waste discharge port is positioned at the bottom of the screening bin. Grit sludge mixture in the anaerobic tower that needs to retrieve granular sludge is imported the input screening storehouse by the mixture in screening storehouse, and constantly input, grit sludge mixture is through deposiing in screening storehouse, and the gravity difference of grit and granular sludge, the layering appears, the grit sinks to the bottom in screening storehouse, granular sludge floats on the grit layer, constantly to screening storehouse in-process input grit sludge mixture, granular sludge who floats on the top progressively is close to the granular sludge discharge port that is located the top, finally discharge by the granular sludge discharge port, and the grit is then discharged by the refuse discharge port that is located the bottom, then realize the purpose that granular sludge was selected to the low cost like this, granular sludge who sieves out can be used other anaerobic towers departments, a large amount of resources have been practiced thrift.

The above description of the present invention is only an overview of the technical solutions of the present application, and in order to make the technical solutions of the present application more clearly understood by those skilled in the art, further, the present invention can be implemented according to the contents described in the text and the drawings of the present application, and in order to make the above objects, other objects, features, and advantages of the present application more easily understood, the following description will be made in conjunction with the detailed description of the present application and the drawings.

Drawings

The drawings are only for purposes of illustrating the principles, implementations, applications, features, and effects of particular embodiments of the present application, as well as others related thereto, and are not to be construed as limiting the application.

In the drawings of the specification:

FIG. 1 is a block diagram of an anaerobic granular sludge screening apparatus according to an embodiment;

FIG. 2 is a block diagram of another embodiment of an anaerobic granular sludge screening apparatus;

FIG. 3 is a view showing the construction of an oxygen particle sludge screening apparatus according to an embodiment;

FIG. 4 is a block diagram of another embodiment of the oxygen particle sludge screening apparatus;

FIG. 5 is a diagram illustrating a state of use of the anaerobic granular sludge screening apparatus according to the embodiment;

the reference numerals referred to in the above figures are explained below:

1. a screening bin; 100. a mixture inlet; 101. a granular sludge discharge port; 102. a waste discharge port;

2. a mixture conveying pipe;

3. a granular sludge conveying pipe;

4. a waste material conveying pipe;

5. a first quick connector;

6. a second quick connector;

7. a third quick connector;

8. a fourth quick connector;

9. a support;

10. filtering with a screen;

11. a mixture pump;

12. a scrapped anaerobic tower;

13. a new anaerobic tower.

Detailed Description

In order to explain in detail possible application scenarios, technical principles, practical embodiments, and the like of the present application, the following detailed description is given with reference to the accompanying drawings in conjunction with the listed embodiments. The embodiments described herein are merely for more clearly illustrating the technical solutions of the present application, and therefore, the embodiments are only used as examples, and the scope of the present application is not limited thereby.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase "an embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or related to other embodiments specifically defined. In principle, in the present application, the technical features mentioned in the embodiments can be combined in any manner to form a corresponding implementable technical solution as long as there is no technical contradiction or conflict.

Unless defined otherwise, technical terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the use of relational terms herein is intended only to describe particular embodiments and is not intended to limit the present application.

In the description of the present application, the term "and/or" is a expression for describing a logical relationship between objects, meaning that three relationships may exist, for example a and/or B, meaning: there are three cases of A, B, and both A and B. In addition, the character "/" herein generally indicates that the former and latter associated objects are in a logical relationship of "or".

In this application, terms such as "first" and "second" are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.

Without further limitation, in this application, the use of "including," "comprising," "having," or other similar expressions in phrases and expressions of "including," "comprising," or "having," is intended to cover a non-exclusive inclusion, and such expressions do not exclude the presence of additional elements in a process, method, or article that includes the recited elements, such that a process, method, or article that includes a list of elements may include not only those elements but also other elements not expressly listed or inherent to such process, method, or article.

As is understood in the "review guidelines," in this application, the terms "greater than," "less than," "more than," and the like are to be understood as excluding the number; the expressions "above", "below", "within" and the like are understood to include the present numbers. In addition, in the description of the embodiments of the present application, "a plurality" means two or more (including two), and expressions related to "a plurality" similar thereto are also understood, for example, "a plurality of groups", "a plurality of times", and the like, unless specifically defined otherwise.

In the description of the embodiments of the present application, spatially relative expressions such as "central," "longitudinal," "lateral," "length," "width," "thickness," "up," "down," "front," "back," "left," "right," "vertical," "horizontal," "vertical," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used, and the indicated orientations or positional relationships are based on the orientations or positional relationships shown in the specific embodiments or drawings and are only for convenience of describing the specific embodiments of the present application or for the convenience of the reader, and do not indicate or imply that the device or component in question must have a specific position, a specific orientation, or be constructed or operated in a specific orientation and therefore should not be construed as limiting the embodiments of the present application.

Unless specifically stated or limited otherwise, the terms "mounted," "connected," "secured," and "disposed" used in the description of the embodiments of the present application should be construed broadly. For example, the connection can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection, an electrical connection, or a communication connection; they may be directly connected or indirectly connected through an intermediate; which may be communication within two elements or an interaction of two elements. Specific meanings of the above terms in the embodiments of the present application can be understood by those skilled in the art to which the present application pertains in accordance with specific situations.

After long-term use, a large amount of anaerobic granular sludge can be remained in the anaerobic tower, if the anaerobic tower is scrapped, and the anaerobic granular sludge remained in the anaerobic tower is also scrapped, the total amount of the granular sludge in the two anaerobic towers is estimated to be 2000-3000 tons, if the granular sludge is not recycled, a large amount of waste can be caused, however, because the anaerobic tower runs for a long time, calcification phenomenon has occurred, gravel and anaerobic sludge are mixed into a whole, if the gravel is discharged by gravity flow, the gravel cannot be used, and only can be abandoned, and if the gravel is directly used, the gravel enters a new anaerobic tower to influence the running.

Therefore, the utility model provides an anaerobic tower granular sludge screening device which is used for screening granular sludge from a gravel sludge mixture remained in an anaerobic tower, can be used for treating the gravel sludge mixture in the anaerobic tower which is still used, and can also be used for treating the gravel sludge mixture in the scrapped anaerobic tower 12, so that a new anaerobic tower 13 can be cleaned after being used for a period of time, and the gravel sludge mixture in the new anaerobic tower 13 and the scrapped anaerobic tower 12 can be recycled after being treated, thereby saving a large amount of resources and reducing the wastewater treatment cost.

Referring to fig. 1, in a specific embodiment, the anaerobic tower granular sludge screening device includes a screening bin 1, the inside of the screening bin 1 is a cavity, and a settling space is provided for the gravel sludge mixture to be layered, specifically, the screening bin 1 has a certain height along the vertical direction, that is, the screening bin 1 is a vertical long-strip-shaped bin body, so as to provide a sufficient vertical space for the gravel sludge mixture to be layered.

The screening bin 1 can be made of plastic materials or metal materials, and preferably can be formed by transforming existing waste tanks in a sewage treatment plant, so that the manufacturing cost of the anaerobic tower granular sludge screening device can be saved, in addition, the waste tanks can be reasonably and repeatedly utilized, and the resources are saved.

The screening bin 1 is provided with a mixture inlet 100, a granular sludge discharge port 101 and a waste discharge port 102; the mixture inlet 100 is used for feeding a gravel sludge mixture into the screening bin 1, the granular sludge outlet 101 is used for discharging screened granular sludge, and the waste outlet 102 is used for discharging screened granules and other waste materials.

The mixture inlet 100 is positioned in the middle of the screening bin 1, and when the gravel sludge mixture is input into the screening bin 1 from the mixture inlet 100, a falling process is generated, so that the stirring purpose is achieved, and gravel and granular sludge of the gravel sludge mixture are fully layered; mixture import 100 is connected with mixture conveyer pipe 2, mixture conveyer pipe 2's port is used for dismantling with the bin outlet of anaerobism tower and is connected, such setting then can be according to actual demand, the selection will anaerobism tower granule mud sieving mechanism is connected with different anaerobism towers, for the screening of the granule mud is accomplished to different anaerobism towers, if need sieve out granule mud for condemned anaerobism tower 12, then connect mixture conveyer pipe 2's port in condemned anaerobism tower 12's bin outlet department, if later need be new anaerobism tower 13 and divide out granule mud, then dismantle mixture conveyer pipe 2 from condemned anaerobism tower 12 department, install again to new anaerobism tower 13's bin outlet department can.

Similarly, in order to save the manufacturing cost of the anaerobic tower granular sludge screening device, the mixture conveying pipe 2 can also adopt an existing waste pipeline in a sewage treatment plant, the waste pipeline is welded with a waste tank, and a movable connecting piece is arranged at the end of the waste pipeline.

In order to realize the detachable connection between the port of the mixture delivery pipe 2 and the discharge opening of the anaerobic tower, please refer to fig. 2 and 5, in some embodiments, the apparatus further includes a first quick coupling 5 and a second quick coupling 6, the first quick coupling 5 and the second quick coupling 6 can be quickly connected and detached, the first quick coupling 5 is disposed at the discharge opening of the anaerobic tower, specifically, the first quick coupling 5 can be mounted at the discharge opening of the anaerobic tower in an interference fit manner, and when the apparatus is not needed to be used, the first quick coupling 5 can be detached by pulling. The port department that mixture conveyer pipe 2 was located to second quick-operation joint 6 for can dismantle with first quick-operation joint 5 and be connected, when needs retrieve gravel sludge mixture in the anaerobic tower, then with first quick-operation joint 5 and second quick-operation joint 6 connect can.

In order to smoothly pump the gravel-sludge mixture in the anaerobic tower into the screening chamber 1, in some embodiments, a mixture pump 11 is further included, and the mixture pump 11 is provided at the mixture transfer pipe 2 to pump the mixture into the screening chamber 1.

Granular sludge discharge port 101 is located the top of screening storehouse 1, and along with constantly inputing the grit mud mixture in the screening storehouse 1, the material height in the screening storehouse 1 constantly risees, and granular sludge has floated on the top this moment, and the granular sludge who is located the top then can be followed granular sludge discharge port 101 and discharged.

The reject outlet 102 is located at the bottom of the screen silo 1, and gravel sinks to the bottom of the screen silo 1 under the action of gravity difference and is discharged through the reject outlet 102.

The gravel sludge mixture in the anaerobic tower needing to recover the granular sludge is input into the screening bin 1 from a mixture inlet 100 of the screening bin 1 and is input continuously, the gravel sludge mixture is precipitated in the screening bin 1, and the gravity difference between the gravel and the granular sludge is layered, the gravel sinks to the bottom of the screening bin 1, the granular sludge floats on a gravel layer, in the process of continuously inputting the gravel sludge mixture into the screening bin 1, the granular sludge floating on the top is gradually close to a granular sludge outlet 101 at the top and is finally discharged from the granular sludge outlet 101, and the gravel is discharged from a waste material outlet 102 at the bottom, so that the aim of screening the granular sludge at low cost is fulfilled, the screened granular sludge can be used in other anaerobic towers, and a large amount of resources are saved.

In order to allow the sand to be discharged out of the screen silo 1 autonomously, in some embodiments the reject outlet 102 is provided at the bottom of the screen silo 1, and sand sinking to the bottom can be discharged autonomously from the reject outlet 102.

Since the reject outlet 102 is provided at the bottom surface of the screening silo 1, in order not to affect the discharge of the gravel, in some embodiments, a bracket 9 is further included, and the bracket 9 is provided at the bottom of the screening silo 1 to suspend the screening silo 1.

In some embodiments, the system further comprises a granular sludge conveying pipe 3, one end of the granular sludge conveying pipe 3 is connected with the granular sludge discharge port 101, and the other end of the granular sludge conveying pipe 3 is used for being connected with a granular sludge inlet of another anaerobic tower.

Referring to fig. 4, in some embodiments, the width of the bottom of the screening chamber gradually decreases from top to bottom.

In order to realize the detachable connection between the port of the granular sludge conveying pipe 3 and the granular sludge inlet of another anaerobic tower, please refer to fig. 3 and 5, in some embodiments, the device further includes a third quick coupling 7 and a fourth quick coupling 8, the third quick coupling 7 and the fourth quick coupling 8 can be quickly connected and detached, the third quick coupling 7 is disposed at the granular sludge inlet of another anaerobic tower, specifically, the third quick coupling 7 can be mounted at the granular sludge inlet of another anaerobic tower in an interference engagement manner, and when the device is not used, the third quick coupling 7 can be detached in a pulling manner. The fourth quick connector 8 is arranged at the port of the granular sludge conveying pipe 3 and is detachably connected with the third quick connector 7, and when the granular sludge needing to be screened is recycled, the third quick connector 7 and the fourth quick connector 8 are connected.

In some embodiments, a screen 10 is also included, the screen 10 being positioned at the granular sludge discharge 101 so that finer particles can be screened.

In some embodiments, a waste transport pipe 4 is also included, with one end of the waste transport pipe 4 connected to the waste gate 102.

Finally, it should be noted that, although the above embodiments have been described in the text and drawings of the present application, the scope of the patent protection of the present application is not limited thereby. All technical solutions generated by replacing or modifying the equivalent structure or the equivalent flow described in the text and the drawings of the present application and directly or indirectly implementing the technical solutions of the above embodiments in other related technical fields and the like based on the substantial idea of the present application are included in the scope of the patent protection of the present application.

Claims (10)

1. The utility model provides an anaerobism tower granule sludge screening device which characterized in that includes:

the screening bin is provided with a mixture inlet, a granular sludge outlet and a waste material outlet; the mixture inlet is positioned in the middle of the screening bin and is connected with a mixture conveying pipe, and the port of the mixture conveying pipe is detachably connected with the discharge port of the anaerobic tower; the granular sludge discharge port is arranged at the top of the screening bin; the waste discharge port is positioned at the bottom of the screening bin.

2. The anaerobic tower granular sludge screening apparatus of claim 1, further comprising:

the first quick connector is arranged at a discharge outlet of the anaerobic tower;

the second quick connector is arranged at the port of the mixture conveying pipe and is detachably connected with the first quick connector.

3. The anaerobic tower granular sludge screening apparatus of claim 1, wherein the reject outlet is provided at a bottom surface of the screening chamber.

4. The anaerobic tower granular sludge screening apparatus of claim 1, further comprising:

the support is arranged at the bottom of the screening bin so as to suspend the screening bin.

5. The anaerobic tower granular sludge screening apparatus of claim 1, further comprising:

and one end of the granular sludge conveying pipe is connected with the granular sludge discharge port, and the other end of the granular sludge conveying pipe is used for being connected with a granular sludge inlet of another anaerobic tower.

6. The anaerobic tower granular sludge screening apparatus of claim 1, further comprising:

the third quick joint is arranged at the granular sludge inlet of the other anaerobic tower;

and the fourth quick connector is arranged at the port of the granular sludge conveying pipe and is detachably connected with the third quick connector.

7. The anaerobic tower granular sludge screening apparatus of claim 1, further comprising:

and one end of the waste conveying pipe is connected with a waste discharging port.

8. The anaerobic tower granular sludge screening device as claimed in claim 1, wherein the width of the bottom of the screening bin is gradually reduced from top to bottom.

9. The anaerobic tower granular sludge screening apparatus of claim 1, further comprising:

the filter screen, the filter screen is located granular sludge discharge port department.

10. The anaerobic tower granular sludge screening apparatus of claim 1, further comprising:

and the mixture extraction pump is arranged at the mixture conveying pipe to extract the mixture into the screening bin.

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