CN212403633U - Hydrolytic acidification reaction tower - Google Patents
Hydrolytic acidification reaction tower Download PDFInfo
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- CN212403633U CN212403633U CN201821254749.9U CN201821254749U CN212403633U CN 212403633 U CN212403633 U CN 212403633U CN 201821254749 U CN201821254749 U CN 201821254749U CN 212403633 U CN212403633 U CN 212403633U
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Abstract
The utility model discloses a hydrolytic acidification reaction tower, comprising a tower body, the tower body top is equipped with dedicated water-locator, water-locator below and central shaft intercommunication, the tower body bottom is provided with the water-locator, central shaft and water-locator intercommunication, upper portion is equipped with mixed liquid reflux system in the tower body, and the system component has the annular reflux unit that absorbs water, backward flow trunk pipe, backwash pump and flowmeter, the annular reflux unit that absorbs water passes through backward flow trunk pipe and water-locator intercommunication, and backward flow trunk inside is provided with the backwash pump, it is equipped with solid-liquid-gas triphase separator to mix liquid reflux system top, is connected with the blast pipe on the solid-liquid-gas triphase separator. The utility model discloses can handle the poisonous and harmful waste water of well low concentration, improve the waste water biodegradability, improve and mix the effect, energy-concerving and environment-protective, the water distribution is even, avoids water distribution piping system to take place to block up, and can stabilize sewage concentration in the tower, improves its shock-resistant load.
Description
Technical Field
The utility model relates to a sewage treatment technical field specifically is a hydrolytic acidification reaction tower.
Background
The existing anaerobic reactors for sewage treatment are divided into two categories, one is a tower reactor, and the other is a reaction tank.
The tower reactor, such as UASB, IC and EGSB, has relatively great height-diameter ratio, and is formed with granular sludge bed inside the reactor to eliminate organic pollutant from sewage and raise the biodegradability of sewage. The liquid stirring and mixing function in the reactor mainly utilizes a large amount of generated methane to drive water flow to flow so as to form stirring and mixing effects. If a large amount of biogas is generated to form a mixing and stirring effect, the concentration of the treated sewage pollutants needs to be high enough, so that the existing anaerobic reactor is only suitable for treating high-concentration organic wastewater, and the treatment effect on the toxic and harmful wastewater with medium and low concentration is not good enough.
The other type is a hydrolysis acidification reaction tank, the principle is that anaerobic digestion reaction is only controlled in the hydrolysis and acidification processes, no or little methane is generated, and no granular sludge is generated, so that the biochemical property of sewage is improved, and the subsequent treatment cost is reduced. Compared with a tower reactor, the tower reactor has the defects of large occupied area, high investment cost, low activated sludge concentration caused by the fact that granular sludge cannot be generated, poor settleability and difficult biogas collection.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a hydrolytic acidification reaction tower to solve the problem of the installation defect who proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a hydrolytic acidification reaction tower comprises a tower body, wherein a special water distributor is arranged at the top of the tower body, a central shaft is arranged on a central line of the tower body in a penetrating manner, the lower part of the water distributor is communicated with the central shaft, the water distributor is connected with a water inlet pipe, a water distribution pipe is arranged at the bottom of the tower body, the central shaft is communicated with the water distribution pipe, a variable-diameter plug is arranged on the water distribution pipe, a mixed liquid reflux system is arranged at the middle-upper part of the tower body and comprises an annular water-absorbing reflux device, a reflux main reflux pipe, a reflux pump and a flowmeter, the mixed liquid reflux system is fixed by a bracket, the annular water-absorbing reflux device is communicated with the water distributor through the reflux main reflux pipe, the flowmeter is arranged on the reflux main reflux pipe, the reflux main reflux pipe is internally provided with the reflux pump, a solid-liquid, and a water outlet collecting tank is arranged above the solid-liquid-gas three-phase separator, a water outlet pipeline is connected to the water outlet collecting tank, a sludge discharge pipeline system is arranged at a position between the solid-liquid-gas three-phase separator and the mixed liquid reflux system, and a sludge discharge pipeline system is also arranged at a position above the tower bottom water distribution pipe.
Preferably, the interior of the central shaft is hollow.
Preferably, the pipeline system of the water distribution pipe is uniformly distributed on the bottom of the tower in a tree shape and is fixed in a support form.
Water enters the water distributor through the water inlet pipeline, the water distributor injects external sewage into the tower bottom through the central vertical shaft at a high speed by utilizing the siphon principle, the sewage is uniformly injected into the tower through the precise water distribution system at the tower bottom, and the pipeline system of the water distributor is in a tree shape and is uniformly distributed on the tower bottom and fixed in a support form. The speed of water flow passing through the water distribution pipe is very high, so that a strong hydraulic stirring effect can be formed, meanwhile, the tail end of the water distribution system is provided with the reducing plug, the high-speed water flow passes through the reducing plug, so that negative pressure is formed around the high-speed water flow, the water around the water distribution port is sucked into the water distribution system, an annular circulating flow state is formed, and the hydraulic stirring effect is enhanced.
Preferably, the effluent collecting tank is provided with water collecting sub-tanks which are arranged in parallel, and the effluent collecting tank is additionally provided with a water collecting main tank which is vertical to the water collecting sub-tanks and is communicated with the water outlet pipeline.
And gas collected by the solid-liquid-gas three-phase separator is discharged through the exhaust pipe, solid substances are gathered on the inclined plate surface of the separator and gradually sink, the residual clear water continuously rises to the water outlet collecting tank, and the water outlet collecting tank collects the water and then discharges the water through a water outlet pipeline in the water collecting main tank.
Preferably, the sludge discharge pipeline system is a square annular pipeline, and is connected with an external sludge discharge pump to regularly suck sludge.
Compared with the prior art, the beneficial effects of the utility model are that:
1. compared with the common tower-type anaerobic reactor, the utility model can treat the toxic and harmful wastewater with medium and low concentration, and improve the biodegradability of the wastewater;
2. the internal stirring is realized without depending on the generation of a large amount of methane, but the water power stirring mode of high-speed water flow is utilized, so that the mud-water mixing effect is better;
3. the hydraulic stirring mode of high-speed water flow is utilized, no power consumption is generated, and the energy conservation and environmental protection are realized;
4. the water is distributed uniformly by a precise uniform water distribution system;
5. due to the impact of high-speed water flow, the blockage of a water distribution pipeline system is avoided;
6. granular sludge is formed inside, and the concentration and sedimentation performance of activated sludge are improved;
7. the unique mixed liquid reflux system can accurately control the height of the mud bed, better control the ascending flow speed and realize mud-water separation;
8. the mixed liquid reflux system can stabilize the sewage concentration in the tower and improve the impact load resistance of the tower.
Drawings
FIG. 1 is a schematic diagram of a cross-sectional structure of a hydrolytic acidification reaction tower of the present invention;
fig. 2 is a schematic view of a cross-sectional structure of another side of the hydrolysis acidification reaction tower of the present invention.
In the figure: 1. a tower body; 2. a water distributor; 3. a central shaft; 4. a water distribution pipe; 5. a variable diameter plug; 6. an annular water absorption reflux device; 7. a main reflux pipe; 8. a reflux pump; 9. a flow meter; 10. a solid-liquid-gas three-phase separator; 11. an exhaust pipe; 12. a water collection tank; 13. a sludge discharge pipeline system; 14. a water outlet pipeline; 15. a water inlet pipeline.
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.
Referring to fig. 1-2, the present invention provides a technical solution: a hydrolytic acidification reaction tower comprises a tower body 1, wherein a special water distributor 2 is arranged at the top of the tower body 1, a central shaft 3 is arranged on a central line of the tower body 1 in a penetrating manner, the lower part of the water distributor 2 is communicated with the central shaft 3, the water distributor 2 is connected with a water inlet pipe 15, a water distribution pipe 4 is arranged at the bottom of the tower body 1, the central shaft 3 is communicated with the water distribution pipe 4, a variable diameter plug 5 is arranged on the water distribution pipe 4, a mixed liquid reflux system is arranged at the middle upper part of the tower body 1, the reflux system plays a role in controlling the height of a mud bed and realizing mud-water separation, an annular water absorption reflux device 6, a reflux main pipe 7, a reflux pump 8 and a flowmeter 9 are formed in the system, the system is fixed by a support, the annular water absorption reflux device 6 is communicated with the water distributor 2 through the reflux main pipe 7, the reflux main pipe 7 is, a solid-liquid-gas three-phase separator 10 is arranged above the mixed liquid reflux system, an exhaust pipe 11 is connected to the solid-liquid-gas three-phase separator 10, a water outlet water collecting tank 12 is arranged above the solid-liquid-gas three-phase separator 10, a water outlet pipeline 14 is connected to the water outlet water collecting tank 12, a sludge discharge pipeline system 13 is arranged between the solid-liquid-gas three-phase separator 10 and the mixed liquid reflux system, and a sludge discharge pipeline system 13 is also arranged above the tower bottom water distribution pipe.
The interior of the central shaft 3 is hollow.
The pipeline system of the water distribution pipe 4 is uniformly distributed on the bottom of the tower in a tree shape and is fixed in a support form.
Water enters the water distributor 2 from the water inlet pipeline 15, the water distributor 2 injects external sewage into the tower bottom through the central shaft 3 at a high speed by utilizing the siphon principle, the sewage is uniformly injected into the tower through an accurate water distribution system at the tower bottom, and a pipeline system of the water distribution pipe 4 is uniformly distributed on the tower bottom in a tree shape and is fixed in a support form. The speed of water flow passing through the water distribution pipe 4 is high, a strong hydraulic stirring effect can be formed, meanwhile, the variable diameter plug 5 is arranged at the tail end of the water distribution system, the high-speed water flow passes through the variable diameter plug, so that negative pressure is formed around the high-speed water flow, water around a water distribution port is sucked into the high-speed water flow, an annular circulating flow state is formed, and the hydraulic stirring effect is enhanced.
The effluent collecting tank 12 is provided with water collecting sub-tanks which are arranged in parallel, and a water collecting main tank which is vertical to the water collecting sub-tanks is arranged and communicated with the water outlet pipeline 14.
The gas collected by the solid-liquid-gas three-phase separator 10 is discharged through the exhaust pipe 11, the solid substances are gathered on the inclined plate surface of the separator and gradually sink, the residual clear water continuously rises to the effluent water collecting tank 12, and the effluent water collecting tank 12 collects the effluent water and then discharges the effluent water through the effluent pipe 14 in the water collecting main tank.
Mud discharge pipe-line system 13 is square annular pipeline, and mud discharge pipe-line system 13 all links to each other with outside sludge discharge pump, regularly inhales mud.
The working principle is as follows: water enters the water distributor 2 from the water inlet pipeline 15, the water distributor 2 utilizes the siphon principle to inject external sewage into the tower bottom through the central shaft 3 at a high speed, through the accurate formula water distribution system at the tower bottom, evenly injects sewage into the tower into, and the water distribution pipeline system is the branch shape and evenly spreads the tower bottom to the support form is fixed. The speed of water flow passing through the water distribution pipe 4 is high, a strong hydraulic stirring effect can be formed, meanwhile, the variable diameter plug 5 is arranged at the tail end of the water distribution system, the high-speed water flow passes through the variable diameter plug, negative pressure is formed around the high-speed water flow, water around a water distribution port is sucked into the high-speed water flow, an annular circulating flow state is formed, the hydraulic stirring effect is enhanced, the height of a mud bed can be accurately controlled through the unique mixed liquid backflow system, the ascending flow speed can be better controlled, and mud-water separation can be better realized. The internal stirring is realized without depending on the generation of a large amount of methane, but the hydraulic stirring mode of high-speed water flow is utilized, the mud-water mixing effect is better, the hydraulic stirring mode of the high-speed water flow is utilized, no power consumption is caused, energy is saved, the environment is protected, and the blockage of a water distribution pipeline system is avoided due to the impact of the high-speed water flow. The gas collected by the solid-liquid-gas three-phase separator 10 arranged above the mixed liquid reflux system is discharged through the exhaust pipe 11, the solid substances are gathered on the inclined plate surface of the separator and gradually sink, and the residual clear water continuously rises to the water collecting tank 12.
A water outlet collecting tank 12 is arranged above the solid-liquid-gas three-phase separator 10, a plurality of water collecting sub-tanks are arranged on the water outlet collecting tank 12, the water collecting sub-tanks are arranged in parallel, a water collecting main tank is arranged, the water collecting main tank is perpendicular to the water collecting sub-tanks, and water is collected and then discharged through a water outlet pipeline 14 in the water collecting main tank.
Two sludge discharge pipeline systems 13 are arranged in the tower and are square annular pipelines, one of the sludge discharge pipeline systems is arranged between the solid-liquid-gas three-phase separator 10 and the mixed liquid reflux system, and the other sludge discharge pipeline system is arranged above the tower bottom water distribution pipe 4 and is connected with an external sludge discharge pump for periodically sucking sludge.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", 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 the description, but 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 thus, should not be construed as limiting the present invention. Furthermore, "first," "second," "third," and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be further noted that, unless explicitly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, connected through an intermediate medium, or connected to the inside of two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. A hydrolytic acidification reaction tower comprises a tower body, wherein a water distributor is arranged at the top of the tower body, a central shaft is arranged on a central line of the tower body in a penetrating manner, the inside of the central shaft is hollow, the water distributor is communicated with the central shaft, the water distributor is connected with a water inlet pipe, a water distribution pipe is arranged at the bottom of the tower body, the central shaft is communicated with the water distribution pipe, a pipeline system of the water distribution pipe is uniformly distributed on the bottom of the tower in a tree shape and is fixed in a support form, a reducing plug is arranged on the water distribution pipe, a mixed liquid reflux system is arranged on the middle upper part of the tower body and comprises an annular water absorption reflux device, a reflux main pipe, a reflux pump and a flowmeter, the annular water absorption reflux device is communicated with the water distributor through the reflux main pipe, the flowmeter is arranged on the reflux main pipe, and the reflux pump is arranged inside the reflux main, the mixed liquid reflux system is characterized in that a solid-liquid-gas three-phase separator is arranged above the mixed liquid reflux system, an exhaust pipe is connected to the solid-liquid-gas three-phase separator, a water outlet water collecting tank is arranged above the solid-liquid-gas three-phase separator, a water outlet pipeline is connected to the water outlet water collecting tank, a sludge discharge pipeline system is arranged between the solid-liquid-gas three-phase separator and the mixed liquid reflux system, and a sludge discharge pipeline system is also arranged above the tower bottom water distribution pipe.
2. The hydrolysis acidification reaction tower as claimed in claim 1, wherein: the water outlet water collecting tank is provided with water collecting sub-tanks which are arranged in parallel, and the water outlet water collecting tank is additionally provided with a water collecting main tank which is vertical to the water collecting sub-tanks and is communicated with the water outlet pipeline.
3. The hydrolysis acidification reaction tower as claimed in claim 1, wherein: the sludge discharge pipeline system is a square annular pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821254749.9U CN212403633U (en) | 2018-08-06 | 2018-08-06 | Hydrolytic acidification reaction tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821254749.9U CN212403633U (en) | 2018-08-06 | 2018-08-06 | Hydrolytic acidification reaction tower |
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| Publication Number | Publication Date |
|---|---|
| CN212403633U true CN212403633U (en) | 2021-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821254749.9U Active CN212403633U (en) | 2018-08-06 | 2018-08-06 | Hydrolytic acidification reaction tower |
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| CN (1) | CN212403633U (en) |
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- 2018-08-06 CN CN201821254749.9U patent/CN212403633U/en active Active
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