CN215137160U - Activated sludge on-site recycling device of partition plate flocculation tank - Google Patents
Activated sludge on-site recycling device of partition plate flocculation tank Download PDFInfo
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- CN215137160U CN215137160U CN202120795010.4U CN202120795010U CN215137160U CN 215137160 U CN215137160 U CN 215137160U CN 202120795010 U CN202120795010 U CN 202120795010U CN 215137160 U CN215137160 U CN 215137160U
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Abstract
The utility model discloses an active sludge on-site recycling device of a clapboard flocculation tank, which comprises a sludge return pipeline and a booster pump; the inlet end of the mud return pipeline is communicated with a final layer live mud discharging branch pipe of the gravity mud discharging device, and the outlet end of the mud return pipeline is communicated with the inlet of the partition plate at the upstream front end in the partition plate flocculation tank for adding, so that sampling detection is facilitated; and a booster pump is arranged on the mud return pipeline. And a flowmeter is arranged on the mud return pipeline. The utility model solves the problems that the content of the recycled activated sludge is unstable and can not be recycled continuously, and can reduce the unit consumption of coagulant addition; has the advantages of simple structure and easy management and regulation.
Description
Technical Field
The utility model relates to the technical field of water treatment, in particular to an active sludge on-site recycling device of a clapboard flocculation tank.
Background
The treatment mode of the existing source water with low turbidity characteristic generally adopts the activated sludge recycling technology of clay adding, reinforced coagulation, filter activated sludge recycling, wastewater activated sludge recycling, stirring clarification tank and high-density sedimentation tank. The clay feeding mode has high treatment cost and poor feeding uniformity; the reinforced coagulation mode has the defects of high use cost of treatment agents; activated sludge recycling of the filter tank and activated sludge recycling of wastewater respectively have high construction cost of recycling facilities, and the recycling water source of the activated sludge is intermittent and has large mud content change, so that the recycling stability is low; the application characteristics of the stirring clarification tank and the high-density sedimentation tank are that the sludge activity needs to be detected firstly, the sludge without activity is discharged, the activated sludge is recycled, and the management difficulty is high.
The recycling mode of the clapboard flocculation tank is as follows: and discharging the sludge settled at the bottom at regular time, and intermittently recycling the sludge until the tail end of the water recovery process, wherein the activated sludge water cannot be continuously recycled.
Publication (bulletin) No.: CN106045253A, day of opening (announcement): 2016-10-26 provides a sludge separation and recycling device, which comprises a sludge separation device, a sludge stirring device and a sewage tank, wherein one end of the sludge separation device is connected with the sludge stirring device, and the other end of the sludge separation device is connected with the sewage tank. The sewage is accompanied by some sludge, the sludge can generate certain influence on the biodegradation process of the sewage, the sewage and the sludge are effectively separated firstly, and the separated sludge is applied to other fields after being treated.
Publication (bulletin) No.: CN204224402U, day of opening (announcement): 2015-03-25 provides a mud recycling system, including the said effluent treatment tank, shale shaker, mud storage tank, grouting pump, mixer, flow rate \35336, head box, check valve; the wastewater treatment tank is connected with the vibrating screen, and the vibrating screen is used for introducing the wastewater into the sludge storage tank after filtering. The mud storage tank with install between the blender grouting pump, with diameter 50mm pipe connection. And a quartz 6-minute pipe is connected between the grouting pump and the mixer. The flow meter is arranged between the mixer and the head box, and a drain pipe is arranged below the mixer. The check valve is arranged behind each valve.
Publication (bulletin) No.: CN108689492A, day of opening (announcement): 2018-10-23 discloses a surplus sludge recycling process, which comprises an adjusting tank, an anaerobic tank, an aerobic tank and a sedimentation tank, and is characterized in that a backflow pipe is additionally arranged between the adjusting tank and the anaerobic tank, the backflow flow is controlled by a valve, part of water flows back into the adjusting tank in the water inlet process of a water pump of the adjusting tank, the backflow water is introduced into the adjusting tank for stirring, sludge in the sedimentation tank flows back, sludge deposited in the sedimentation tank flows back through the backflow pipe, branches are formed between the anaerobic tank and the adjusting tank, and the branches are adjusted by the valve to respectively flow back into the anaerobic tank and the adjusting tank for secondary anaerobic treatment. By the method, the originally remained sludge which cannot be discharged can be recycled, the anaerobic time is prolonged, and the biochemical capacity is improved.
In a word, above technical scheme of the disclosed technology and the technical problem that will solve and the beneficial effect who produces all with the utility model discloses inequality, to the utility model discloses more technical problem and the beneficial effect that will solve, above open technical document all does not have the technological inspiration.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide an activated sludge on-site recycling device of a clapboard flocculation tank, which solves the problems that the content of recycled activated sludge is unstable and can not be recycled continuously, and can reduce the unit consumption of coagulant addition; has the advantages of simple structure and easy management and regulation.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the activated sludge on-site recycling device of the clapboard flocculation tank comprises a sludge return pipeline and a booster pump;
the inlet end of the mud return pipeline is communicated with a final layer live mud discharging branch pipe of the gravity mud discharging device, and the outlet end of the mud return pipeline is communicated with the inlet of the partition plate at the upstream front end in the partition plate flocculation tank for adding;
and a booster pump is arranged on the mud return pipeline.
Further, a flowmeter is installed on the mud return pipeline.
Furthermore, at least three layers of partition plates are sequentially arranged in the partition plate flocculation tank from front to back, and the distance between every two partition plates is sequentially increased from front to back.
Further, the baffle plates are arranged in a staggered mode.
Further, the downstream area of the clapboard flocculation tank forms an activated sludge settling area and a failure sludge settling area;
the gravity sludge discharge device comprises sludge discharge branch pipes and a sludge discharge main pipe, wherein the sludge discharge branch pipes are arranged in front of and behind the partition plate, and all the sludge discharge branch pipes are communicated to the sludge discharge main pipe; wherein the sludge discharge branch pipe communicated with the activated sludge settling area is called as a final layer active sludge discharge branch pipe.
Further, the outlet of the clapboard flocculation tank is communicated with the sedimentation tank.
Further, the inlet of the clapboard flocculation tank is communicated with the mixing tank.
Compared with the prior art, the utility model following beneficial effect has:
on the basis of the same dosage of the coagulant, collecting the activated sludge water in the clapboard flocculation tank, and recycling the front end of the flocculation tank on site, thereby improving the bridging and net catching effects of alum floc flocculation; the amount of the activated sludge recycled in the flocculation tank is stable, and the activated sludge flocculation tank is suitable for continuous operation and easy to manage.
Drawings
Fig. 1 is a schematic view of the top plan structure of the activated sludge on-site recycling device of the baffle flocculation tank of the utility model.
In the figure: the system comprises a sludge discharge main pipe 1, a sludge return pipeline 2, an activated sludge settling zone 3, a failure sludge settling zone 4, a mixing tank 5, a clapboard flocculation tank 6, a sedimentation tank 7, a booster pump 8, a last layer live sludge discharge branch pipe 9 and a flowmeter 10.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1:
referring to fig. 1, the present invention provides a technical solution:
the active sludge in-situ recycling device of the partition flocculation tank utilizes the gravity sludge discharge branch pipe of the settling zone to continuously collect an active sludge water body in the active sludge settling zone in the partition flocculation tank, and the active sludge water body is recycled to the front end of the flocculation tank to realize recycling on site. The recycling amount of the activated sludge water can be regulated and controlled through metering and frequency modulation, and the activated sludge water is utilized to improve the net catching and bridging effects of the process flocculation.
The activated sludge on-site recycling device of the clapboard flocculation tank comprises a sludge return pipeline 2 and a booster pump 8; the inlet end of the mud return pipeline is communicated with the last layer live mud and mud discharging branch pipe 9 of the gravity mud discharging device, and the outlet end of the mud return pipeline is communicated with the inlet of the foremost clapboard in the clapboard flocculation tank 6 for feeding, so that sampling detection is facilitated; and a booster pump 8 is arranged on the mud return pipeline.
Further, a flowmeter 10 is installed on the mud returning pipeline.
Furthermore, at least three layers of partition plates are sequentially arranged in the partition plate flocculation tank from front to back, and the distance between every two partition plates is sequentially increased from front to back. The baffles are arranged in a staggered manner.
Further, the bottom of the clapboard flocculation tank forms an activated sludge settling zone 3 and a failure sludge settling zone 4; the gravity sludge discharging device comprises sludge discharging branch pipes and a sludge discharging main pipe 1, wherein the sludge discharging branch pipes are arranged in front of and behind the partition plate, and all the sludge discharging branch pipes are communicated to the sludge discharging main pipe; wherein the sludge discharge branch pipe communicated with the activated sludge settling area is called as a final layer active sludge discharge branch pipe.
Further, the outlet of the clapboard flocculation tank is communicated with the sedimentation tank 7. The inlet end of the clapboard flocculation tank is communicated with the mixing tank 5.
Pushing the ineffective sludge to a terminal sludge settling zone 4 under the action of hydraulic power in the baffle flocculation tank body; the sludge discharge branch pipe 9 of the gravity sludge discharge device in the activated sludge gathering area 3 is utilized to collect the activated sludge water of the subsidence part in the area, and the in-situ recycling is realized through a newly added activated sludge water recycling technical device (comprising a recycling pipeline, a frequency converter booster pump, a flow meter and a feeding point at the front end in the tank) so as to improve the flocculation effect of the water body.
Example 2:
referring to fig. 1, the present invention provides a technical solution:
the activated sludge on-site recycling device of the clapboard flocculation tank comprises a sludge return pipeline 2 and a booster pump 8; the inlet end of the mud return pipeline is communicated with the last layer live mud and mud discharging branch pipe 9 of the gravity mud discharging device, and the outlet end of the mud return pipeline is communicated with the inlet of the foremost clapboard in the clapboard flocculation tank 6 for feeding, so that sampling detection is facilitated; and a booster pump 8 is arranged on the mud return pipeline.
Further, a flowmeter 10 is installed on the mud returning pipeline.
Furthermore, at least three layers of partition plates are sequentially arranged in the partition plate flocculation tank from front to back, and the distance between every two partition plates is sequentially increased from front to back. The baffles are arranged in a staggered manner.
Further, the bottom of the clapboard flocculation tank forms an activated sludge settling zone 3 and a failure sludge settling zone 4; the gravity sludge discharging device comprises sludge discharging branch pipes and a sludge discharging main pipe 1, wherein the sludge discharging branch pipes are arranged in front of and behind the partition plate, and all the sludge discharging branch pipes are communicated to the sludge discharging main pipe; wherein the sludge discharge branch pipe communicated with the activated sludge settling area is called as a final layer active sludge discharge branch pipe.
Example 3:
referring to fig. 1, the present invention provides a technical solution:
the activated sludge on-site recycling device of the clapboard flocculation tank comprises a sludge return pipeline 2 and a booster pump 8; the inlet end of the mud return pipeline is communicated with the last layer live mud and mud discharging branch pipe 9 of the gravity mud discharging device, and the outlet end of the mud return pipeline is communicated with the inlet of the foremost clapboard in the clapboard flocculation tank 6 for feeding, so that sampling detection is facilitated; and a booster pump 8 is arranged on the mud return pipeline.
Further, a flowmeter 10 is installed on the mud returning pipeline.
Although fig. 1 is used for all the above embodiments, it is obvious to those skilled in the art that a separate drawing is not shown as long as the parts or structural features missing in the embodiments are removed from the drawing. As will be clear to the skilled person. Of course, the more parts or structural features of the embodiments are the most preferred embodiments, and the less parts of the embodiments are the basic embodiments, but the basic objects of the present invention can be achieved, so that all these modified embodiments are within the scope of the present invention.
All parts and parts which are not discussed in the present application and the connection mode of all parts and parts in the present application belong to the known technology in the technical field, and are not described again. Such as welding, threaded connections, etc.
In the present application, the term "plurality" means two or more unless expressly defined otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", "front", "back", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or unit indicated must have a specific direction, be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present specification, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means 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 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.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The activated sludge on-site recycling device of the clapboard flocculation tank is characterized by comprising a sludge return pipeline and a booster pump;
the inlet end of the mud return pipeline is communicated with a final layer live mud discharging branch pipe of the gravity mud discharging device, and the outlet end of the mud return pipeline is communicated with the inlet of the partition plate at the upstream front end in the partition plate flocculation tank for adding;
and a booster pump is arranged on the mud return pipeline.
2. The activated sludge on-site recycling device of the partition flocculation tank of claim 1, wherein the sludge return pipeline is provided with a flow meter.
3. The activated sludge on-site recycling device of the partition flocculation tank of claim 1 or 2, wherein at least three layers of partitions are sequentially arranged in the partition flocculation tank from front to back, and the distance between every two partitions is gradually increased from front to back.
4. The activated sludge on-site recycling device of the partition flocculation tank of claim 1 or 2, wherein the partitions are arranged in a staggered manner.
5. The activated sludge on-site recycling device of the partition flocculation tank of claim 1 or 2, wherein the most downstream area of the partition flocculation tank forms an activated sludge settling zone and a spent sludge settling zone;
the gravity sludge discharge device comprises sludge discharge branch pipes and a sludge discharge main pipe, wherein the sludge discharge branch pipes are arranged in front of and behind the partition plate, and all the sludge discharge branch pipes are communicated to the sludge discharge main pipe; wherein the sludge discharge branch pipe communicated with the activated sludge settling area is called as a final layer active sludge discharge branch pipe.
6. The activated sludge on-site recycling device of the partition flocculation tank of claim 1 or 2, wherein the partition flocculation tank outlet is communicated with the sedimentation tank.
7. The activated sludge on-site recycling device of the partition flocculation tank of claim 1 or 2, wherein the inlet of the partition flocculation tank is communicated with the mixing tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120795010.4U CN215137160U (en) | 2021-04-19 | 2021-04-19 | Activated sludge on-site recycling device of partition plate flocculation tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120795010.4U CN215137160U (en) | 2021-04-19 | 2021-04-19 | Activated sludge on-site recycling device of partition plate flocculation tank |
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| Publication Number | Publication Date |
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| CN215137160U true CN215137160U (en) | 2021-12-14 |
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| CN202120795010.4U Active CN215137160U (en) | 2021-04-19 | 2021-04-19 | Activated sludge on-site recycling device of partition plate flocculation tank |
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2021
- 2021-04-19 CN CN202120795010.4U patent/CN215137160U/en active Active
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