CN212198691U - Anaerobic fermentation and separation system - Google Patents
Anaerobic fermentation and separation system Download PDFInfo
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- CN212198691U CN212198691U CN202020257037.3U CN202020257037U CN212198691U CN 212198691 U CN212198691 U CN 212198691U CN 202020257037 U CN202020257037 U CN 202020257037U CN 212198691 U CN212198691 U CN 212198691U
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Abstract
The utility model discloses an anaerobic fermentation, piece-rate system, include: the anaerobic fermentation device is provided with a first chamber and a first drain outlet communicated with the first chamber; the sludge degassing device is provided with a second cavity and a second sewage draining outlet communicated with the second cavity, the first sewage draining outlet is communicated with the second cavity, the second sewage draining outlet is communicated with the first cavity, and the sludge degassing device is used for removing at least part of biogas in the second cavity. According to the utility model discloses anaerobic fermentation, piece-rate system utilize sludge degassing unit desorption to follow at least some marsh gas in the first drain exhaust mud for mud, separation of water effect are better, and through mud, separation of water back, and the mud in the second chamber passes through outside the second drain discharge sludge degassing unit, gets into anaerobic fermentation device once more, thereby maintains stable mud concentration in the anaerobic fermentation device, guarantees anaerobic fermentation device's normal operating.
Description
Technical Field
The utility model belongs to the technical field of the environmental protection equipment technique and specifically relates to an anaerobic fermentation, piece-rate system is related to.
Background
The anaerobic fermentation tank is a common device for treating high-concentration wastewater, COD in the wastewater is treated and converted into methane by utilizing internal anaerobic sludge, how to effectively perform sludge-water separation is an important link of an anaerobic fermentation system, and after effective sludge-water separation, effective sludge is refluxed into the anaerobic fermentation tank to keep stable sludge concentration in the fermentation tank, so that a stable removal effect is achieved. Therefore, the mud-water separation device with good separation effect is the focus research direction of the anaerobic fermentation system.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the utility model is to provide an anaerobic fermentation, piece-rate system, anaerobic fermentation, piece-rate system can maintain stable sludge concentration, guarantees anaerobic fermentation device's normal operating.
According to the utility model discloses anaerobic fermentation, piece-rate system, include: the anaerobic fermentation device is provided with a first chamber and a first drain outlet communicated with the first chamber; the sludge degassing device is provided with a second cavity and a second sewage draining port communicated with the second cavity, the first sewage draining port is communicated with the second cavity, the second sewage draining port is communicated with the first cavity, and the sludge degassing device is used for removing at least one part of methane in the second cavity.
According to the utility model discloses anaerobic fermentation, piece-rate system, through setting up mud degasser, and with anaerobic fermentation device's first drain and mud degasser's second cavity intercommunication, utilize at least some marsh gas in the mud of mud degasser desorption follow first drain exhaust, make mud, separation of water effect is better, and through mud, the separation of water back, mud in the second cavity passes through outside the mud degasser of second drain exhaust, get into in the anaerobic fermentation device once more, thereby maintain stable mud concentration in the anaerobic fermentation device, guarantee anaerobic fermentation device's normal operating.
According to some embodiments of the invention, the sludge degassing device comprises: the shell limits the second chamber, and the second sewage draining outlet is arranged at the lower part of the shell; the mud scraping component is rotatably arranged in the second chamber; the driver is connected with the mud scraping component and used for driving the mud scraping component to rotate.
In some embodiments, the mud scraping member comprises: the driver is connected with one end of the connecting shaft so as to drive the connecting shaft to rotate; and the degassing and mud scraping frame is connected with the other end of the connecting shaft and rotates along with the connecting shaft.
In some embodiments, the sludge degassing apparatus further comprises: the inlet pipe, the inlet pipe is located upper portion in the second cavity, the second cavity passes through the inlet pipe with first drain port intercommunication.
According to some embodiments of the utility model, the first drain pass through first blow off pipe with the second chamber intercommunication.
According to some embodiments of the invention, the anaerobic fermentation device comprises: the upper part of the fermentation shell is provided with a feeding hole, and the first sewage discharge hole is formed in the lower part of the fermentation shell; and one end of the mud return pipe is communicated with the first sewage discharge port, the other end of the mud return pipe is communicated with the feed port, and a first pump body is arranged on the mud return pipe.
In some embodiments, the anaerobic fermentation device further comprises: and one end of the feeding pipe is communicated with the mud return pipe, and a feeding pump is arranged on the feeding pipe.
In some embodiments, the sludge degassing device comprises a second sewage discharge pipe, the second sewage discharge pipe is communicated with the second sewage discharge outlet, and a second pump body is arranged on the second sewage discharge pipe.
In some embodiments, the second sewage draining pipe is communicated with the mud returning pipe through an intermediate connecting pipe.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic diagram of an anaerobic fermentation and separation system according to an embodiment of the present invention.
Reference numerals:
an anaerobic fermentation and separation system 100, which is provided with a plurality of anaerobic fermentation tanks,
an anaerobic fermentation device (10) is provided,
a fermentation shell 11, a first chamber 111, a feed inlet 112, a first sewage discharge outlet 113, a first sewage discharge pipe 114, a sludge return pipe 12, a first pump body 13, a feed pipe 15, a feed pump 16, an overflow tank 17,
a sludge degassing device (20) for removing sludge,
the device comprises a shell 21, a second cavity 211, a second sewage draining outlet 212, a water outlet weir 213, a connecting shaft 221, a degassing and mud scraping frame 222, a driver 223, a feeding pipe 23, a second sewage draining pipe 24, a second pump body 25 and a mounting frame 26.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
An anaerobic fermentation, separation system 100 according to an embodiment of the present invention is described below with reference to fig. 1.
As shown in fig. 1, an anaerobic fermentation, separation system 100 according to an embodiment of the present invention includes an anaerobic fermentation apparatus 10 and a sludge degassing apparatus 20.
The anaerobic fermentation device 10 has a first chamber 111 and a first sewage outlet 113, the first sewage outlet 113 is communicated with the first chamber 111, the sludge degassing device 20 has a second chamber 211 and a second sewage outlet 212, and the second sewage outlet 212 is communicated with the second chamber 211. The first drain 113 communicates with the second chamber 211, and the second drain 212 communicates with the first chamber 111.
That is, the sludge in the anaerobic fermentation device 10 is discharged out of the anaerobic fermentation device 10 through the first sewage outlet 113 and then enters the second chamber 211 of the sludge degassing device 20, so that the sludge in the second chamber 211 is degassed by the sludge degassing device 20, and after the sludge and the water are separated, the sludge in the second chamber 211 is discharged out of the sludge degassing device 20 through the second sewage outlet 212 and enters the anaerobic fermentation device 10 again.
According to the utility model discloses anaerobic fermentation, piece-rate system 100, through setting up sludge degassing unit 20, and with anaerobic fermentation device 10's first drain 113 and sludge degassing unit 20's second cavity 211 intercommunication, utilize sludge degassing unit 20 desorption to follow the marsh gas in the 113 exhaust mud of first drain, make mud, the separation of water effect is better, and through mud, after the separation of water, mud in the second cavity 211 passes through second drain 212 and discharges outside sludge degassing unit 20, get into anaerobic fermentation device 10 once more, thereby maintain anaerobic fermentation device 10 internal stability's mud concentration, guarantee anaerobic fermentation device 10's normal operating.
According to some embodiments of the utility model, sludge degassing device 20 includes casing 21, scrapes mud part and driver 223, and casing 21 limits second chamber 211, and second drain 212 locates the lower part of casing 21, scrapes the mud part and rotationally locates in second chamber 211, and driver 223 is connected with scraping the mud part, can drive and scrape the mud part and rotate to carry out degasification, improve the separation effect of mud, water.
The housing 21 of the sludge degassing apparatus 20 may be a tank structure or a concrete structure, and may be flexibly selected according to the design scale of the anaerobic fermentation and separation system 100.
Due to the high content of the protein of the feed consumed in the product industry, under the condition of insufficient degradation, the protein is coated on the surface of the sludge, so that the density of the sludge is reduced, and simultaneously, a large amount of methane can be generated in the water outlet process, so that the sludge floats upwards. Therefore, in some embodiments, the peripheral linear velocity of the sludge scraping component of the sludge degassing device 20 is controlled, so that the sludge and water separation effect is better.
In some embodiments, the upper portion of the second chamber 211 is provided with an effluent weir 213, and after the sludge-water mixture in the second chamber 211 is separated, the water overflows into the effluent weir 213 and finally is discharged out of the sludge degassing device 20.
In some embodiments, the top of the housing 21 is provided with a mounting bracket 26, and the mud scraping member and the driver 223 are mounted on the mounting bracket 26. The mud scraping means includes a connection shaft 221 and a degassing and mud scraping frame 222, a driver 223 is connected to one end of the connection shaft 221 to drive the connection shaft 221 to rotate, the degassing and mud scraping frame 222 is connected to the other end of the connection shaft 221, and the degassing and mud scraping frame 222 rotates along with the connection shaft 221.
The degassing and mud scraping frame 222 can play a role in stirring when rotating, and can scrape the mud at the bottom in the shell 21 into the mud bucket at the bottom of the shell 21, so that the mud can be conveniently returned and discharged, the accumulation of the mud at the bottom in the shell 21 is prevented, the methane is prevented from being generated, and the generated methane is prevented from jacking the mud to enable the mud to float upwards.
In some embodiments, the sludge degassing apparatus 20 further includes a feeding pipe 23, the feeding pipe 23 is disposed at an upper portion in the second chamber 211, and the second chamber 211 communicates with the first sewage discharge port 113 through the feeding pipe 23. In some examples, the central axis of the feeding pipe 23 may be located in the middle of the housing 21, for example, the central axis of the feeding pipe 23 coincides with the central axis of the housing 21, and the connecting shaft 221 of the mud scraping component extends into the feeding pipe 23, so as to ensure uniformity of mud and water separation.
According to some embodiments of the present invention, the first drain 113 communicates with the second chamber 211 through the first drain pipe 114. Specifically, one end of the first sewage discharge pipe 114 is communicated with the first sewage discharge port 113, the other end of the first sewage discharge pipe 114 is communicated with the upper end of the feed pipe 23, at least a part of the sludge discharged from the first sewage discharge port 113 flows through the first sewage discharge pipe 114, and enters the second chamber 211 from the upper end of the feed pipe 23, so that the sludge is conveyed.
As shown in fig. 1, according to some embodiments of the present invention, the anaerobic fermentation device 10 includes a fermentation shell 11, the fermentation shell 11 defines a first chamber 111, the upper portion of the fermentation shell 11 is provided with a feeding port 112, a first drainage port 113 is provided at the lower portion of the fermentation shell 11, and a sludge scraping and depositing component is provided at the bottom of the fermentation shell 11 to ensure that the sludge-water mixture in the fermentation shell 11 is mixed more sufficiently.
Further, the anaerobic fermentation device 10 further comprises a sludge return pipe 12, one end of the sludge return pipe 12 is communicated with the first sewage discharge port 113, the other end of the sludge return pipe 12 is communicated with the feed port 112, and the sludge return pipe 12 is provided with a first pump body 13.
A part of the sludge discharged from the first discharge port 113 flows through the sludge return pipe 12 by the driving of the first pump body 13 and re-enters the fermentation housing 11 from the feed port 112, and another part of the sludge discharged from the first discharge port 113 flows through the first discharge pipe 114 and enters the second chamber 211 of the sludge degassing apparatus 20 to be degassed. Thus, by providing the return pipe 12 and the first pump 13, the first pump 13 can agitate the sludge.
In some embodiments, the top of the fermentation shell 11 is provided with a nozzle, i.e. the nozzle is located above the liquid level in the fermentation shell 11, the nozzle defines the feed port 112, and when the first pump body 13 is operated, the muddy water mixture sprayed from the feed port 112 forms rotary stirring to prevent the liquid level inside the fermentation shell 11 from forming a scum layer.
In some embodiments, the top of the fermentation shell 11 is provided with an overflow port, the height of the overflow port is lower than that of the feed port 112, the outside of the fermentation shell 11 is provided with an overflow tank 17, and the overflow tank 17 is communicated with the overflow port through an overflow pipe.
During operation, the sludge discharged from the first sewage discharge port 113 is divided, one part of the sludge enters the sludge degassing device 20 through the first sewage discharge pipe 114 for degassing treatment, the other part of the sludge further realizes the division through the sludge return pipe 12, and one part of the sludge directly flows to the feed port 112 along the sludge return pipe 12 under the action of the first pump body 13 and finally enters the fermentation shell 11.
In some embodiments, the anaerobic fermentation device 10 further comprises: the one end and the return mud pipe 12 intercommunication of feed pipe 15, feed pipe 15 are equipped with the feed pump 16 on the feed pipe 15. Specifically, new sludge may be introduced through the supply pipe 15, or water may be introduced through the supply pipe 15 so that the water is mixed with the sludge in the sludge return pipe 12 and introduced into the first chamber 111 of the anaerobic fermentation device 10.
In some embodiments, the sludge degassing device 20 comprises a second sewage pipe 24, the second sewage pipe 24 is communicated with a second sewage outlet 212, and a second pump 25 is arranged on the second sewage pipe 24. The second sewage draining pipe 24 and the second pump body 25 are arranged, so that the sludge in the sludge degassing device 20 can be discharged outside.
In some embodiments, the second waste pipe 24 communicates with the sludge return pipe 12 through an intermediate connecting pipe. That is, a part of the sludge discharged from the second sewage outlet 212 flows along the second sewage pipe 24 under the action of the second pump body 25, so that the sludge is discharged outside, and the other part of the sludge enters the sludge return pipe 12 along the intermediate connecting pipe and finally enters the first chamber 111 of the anaerobic fermentation device 10 again.
According to the utility model discloses anaerobic fermentation, piece-rate system 100, utilize sludge degassing unit 20 to go out the mud and the sewage of aquatic to anaerobic fermentation device 10 and effectively separate, a certain amount of mud flows back simultaneously, maintain the mud concentration in anaerobic fermentation device 10's the first cavity 111, make the sludge age in the first cavity 111 be greater than water conservancy dwell time, under the condition of handling the same organic matter load, can reduce anaerobic fermentation device 10's fermentation cylinder 11's volume effectively, reduce the stirring ability, the realization has anaerobic fermentation device 10 of stabilizing mud concentration, the manufacturing investment and the working costs have significantly reduced.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "radial", "circumferential", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Other configurations and operations of the anaerobic fermentation, separation system 100 according to embodiments of the present invention are known to those of ordinary skill in the art and will not be described in detail herein.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (9)
1. An anaerobic fermentation, separation system, comprising:
the anaerobic fermentation device is provided with a first chamber and a first drain outlet communicated with the first chamber;
the sludge degassing device is provided with a second cavity and a second sewage draining port communicated with the second cavity, the first sewage draining port is communicated with the second cavity, the second sewage draining port is communicated with the first cavity, and the sludge degassing device is used for removing at least one part of methane in the second cavity.
2. The anaerobic fermentation, separation system of claim 1, wherein the sludge degasser comprises:
the shell limits the second chamber, and the second sewage draining outlet is arranged at the lower part of the shell;
the mud scraping component is rotatably arranged in the second chamber;
the driver is connected with the mud scraping component and used for driving the mud scraping component to rotate.
3. The anaerobic fermentation, separation system of claim 2, wherein the mud scraping component comprises:
the driver is connected with one end of the connecting shaft so as to drive the connecting shaft to rotate;
and the degassing and mud scraping frame is connected with the other end of the connecting shaft and rotates along with the connecting shaft.
4. The anaerobic fermentation, separation system of claim 2, wherein the sludge degasser further comprises: the inlet pipe, the inlet pipe is located upper portion in the second cavity, the second cavity passes through the inlet pipe with first drain port intercommunication.
5. The anaerobic fermentation, separation system of claim 1, wherein the first blowdown port is in communication with the second chamber through a first blowdown pipe.
6. The anaerobic fermentation, separation system of claim 1, wherein the anaerobic fermentation device comprises:
the upper part of the fermentation shell is provided with a feeding hole, and the first sewage discharge hole is formed in the lower part of the fermentation shell;
and one end of the mud return pipe is communicated with the first sewage discharge port, the other end of the mud return pipe is communicated with the feed port, and a first pump body is arranged on the mud return pipe.
7. The anaerobic fermentation, separation system of claim 6, wherein the anaerobic fermentation device further comprises: and one end of the feeding pipe is communicated with the mud return pipe, and a feeding pump is arranged on the feeding pipe.
8. The anaerobic fermentation and separation system of claim 6, wherein the sludge degassing device comprises a second sewage pipe, the second sewage pipe is communicated with the second sewage outlet, and a second pump body is arranged on the second sewage pipe.
9. The anaerobic fermentation and separation system of claim 8 wherein the second blowdown pipe is in communication with the return sludge pipe through an intermediate connecting pipe.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922499716 | 2019-12-31 | ||
| CN2019224997161 | 2019-12-31 |
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| Publication Number | Publication Date |
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| CN212198691U true CN212198691U (en) | 2020-12-22 |
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| CN202020257037.3U Active CN212198691U (en) | 2019-12-31 | 2020-03-04 | Anaerobic fermentation and separation system |
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