CN215480382U - Butanone oxime waste water biological treatment device - Google Patents
Butanone oxime waste water biological treatment device Download PDFInfo
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- CN215480382U CN215480382U CN202120881512.9U CN202120881512U CN215480382U CN 215480382 U CN215480382 U CN 215480382U CN 202120881512 U CN202120881512 U CN 202120881512U CN 215480382 U CN215480382 U CN 215480382U
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Abstract
The utility model provides a butanone oxime wastewater biological treatment device, which comprises a container, wherein a pickling tank, an alkali washing tank and a biochemical tank are arranged in the container; the pickling tank is connected with a water inlet pipe and an acid inlet pipe and is connected with the alkali washing tank through a first pipeline; the alkali washing tank is connected with an alkali inlet pipe and is connected with the biochemical tank through a second pipeline; the biochemical tank is internally provided with a membrane component and a filter screen, and the part of the biochemical tank, which is positioned on the filter screen, is connected with a bacteria inlet pipe and is connected with the part below the filter screen through a circulating pipe; the membrane component is positioned above the filter screen and is connected with the outside through a water outlet pipe; the acid inlet pipe, the alkali inlet pipe and the bacteria inlet pipe are all connected with a charging pump, the first pipeline and the second pipeline are both connected with a suction pump, the circulating pipe is connected with a circulating pump, and the water outlet pipe is connected with a water suction pump. The utility model is provided with the pickling tank and the alkali washing tank to carry out pre-treatment on the wastewater, thereby greatly reducing the toxicity of the wastewater, being beneficial to the subsequent biochemical treatment, improving the treatment efficiency and improving the treatment effect.
Description
Technical Field
The utility model belongs to the technical field of sewage treatment, and particularly relates to a butanone oxime wastewater biological treatment device.
Background
In recent years, butanone oxime is widely applied to the field of boiler water deoxygenation as a deoxygenating agent, so that the corrosion degree of a heating surface of a boiler is weakened, and the service life of the boiler is prolonged.
The butanone oxime has certain toxicity, so that boiler waste water is formed after boiler water is used up, and other processes are needed for harm removal treatment.
The currently common wastewater treatment process is an MBR process, i.e., the wastewater is effectively treated by utilizing the principle of a membrane bioreactor. However, the waste water contains residual oxime compounds, so that a large amount of biological bacteria can be killed when the waste water is directly put into a reactor, and the treatment effect is reduced. Meanwhile, the sludge generated in the later period of the process is gathered in the reaction zone in a natural precipitation mode, so that the sludge precipitation efficiency is low, and the treatment effect and efficiency are influenced.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows: the butanone oxime wastewater biological treatment device can achieve the purposes of improving treatment efficiency and improving treatment effect by reducing microbial toxicity through pretreatment, and in addition, the efficiency of wastewater treatment is further improved because a settling zone accelerates sludge aggregation by using a circulating and filtering mode.
The utility model is realized by the following steps: a butanone oxime waste water biological treatment device comprises a container, wherein a pickling tank, an alkali washing tank and a biochemical tank are arranged in the container; the pickling tank is connected with a water inlet pipe and an acid inlet pipe and is connected with the alkali washing tank through a first pipeline; the alkaline washing tank is connected with an alkaline inlet pipe and is connected with the biochemical tank through a second pipeline; the biochemical pool is internally provided with a membrane component and a filter screen, and the part of the biochemical pool, which is positioned on the filter screen, is connected with a bacteria inlet pipe and is connected with the part below the filter screen through a circulating pipe; the membrane assembly is positioned above the filter screen and is connected with the outside through a water outlet pipe;
the acid inlet pipe, the alkali inlet pipe and the bacteria inlet pipe are all connected with a feed pump, the first pipeline and the second pipeline are all connected with a suction pump, the circulating pipe is connected with a circulating pump, and the water outlet pipe is connected with a water suction pump.
Further, the pickling bath and the alkali washing bath are both provided with a PH detector for detecting the PH value of liquid in the bath, and the biochemical bath is provided with a COD detector for detecting the COD value of liquid in the bath.
Further, the pickling tank and the alkaline washing tank are both provided with stirrers for stirring liquid in the tank, and the biochemical tank is provided with an aerator for providing dissolved oxygen for the liquid in the tank.
Furthermore, the pickling tank, the alkali washing tank and the biochemical tank are all provided with maintenance manholes with covers.
Furthermore, the biochemical pool is also provided with a drain outlet with a door, and the drain outlet is connected with the part below the filter screen in the biochemical pool.
Further, the container is a cylindrical metal tank body or a rectangular cement tank body.
Further, the first pipeline is positioned at the end part in the acid washing tank and close to the bottom of the tank, the second pipeline is positioned at the end part in the alkali washing tank and close to the bottom of the tank, and the end part of the circulating pipe above the filter screen and the membrane assembly are both close to the filter screen.
Furthermore, the end parts of the first pipeline, the second pipeline, the water outlet pipe and the circulating pipe are all connected with hoses.
Furthermore, the water outlet pipe is connected with a valve.
Further, the water inlet pipe is connected with a grating.
The utility model has the following beneficial effects:
1. the utility model is provided with the pickling tank and the alkali washing tank to carry out pre-treatment on the wastewater, thereby greatly reducing the toxicity of the wastewater, being beneficial to the subsequent biochemical treatment, improving the treatment efficiency and improving the treatment effect.
2. The utility model is provided with the filter screen and the circulating pipe, so that the formed sludge but not precipitated is discharged below the filter screen through the circulating pipe, thereby accelerating the accumulation of the sludge and further improving the efficiency of wastewater treatment.
Drawings
FIG. 1 is a perspective view of a preferred embodiment of the present invention;
FIG. 2 is a front view of the structure of the embodiment shown in FIG. 1;
FIG. 3 is a top view of the structure of the embodiment shown in FIG. 1;
FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;
fig. 5 is a schematic view of the embodiment of fig. 1 (the direction of the arrows indicates the direction of water flow).
Detailed Description
The utility model is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
As shown in figures 1 to 5, the butanone oxime wastewater biological treatment device comprises a container 1, wherein a pickling tank 100, an alkaline washing tank 200 and a biochemical tank 300 are arranged in the container 1. The pickling tank 100 is connected with a water inlet pipe 3 and an acid inlet pipe 6, and is connected with the alkali washing tank 200 through a first pipeline 4. The alkali washing tank 200 is connected with an alkali inlet pipe 7 and is connected with the biochemical tank 300 through a second pipeline 5. The biochemical tank 300 is internally provided with a membrane component 20 and a filter screen 21, and the part of the biochemical tank 300 positioned at the filter screen 21 is connected with a bacteria inlet pipe 8 and is connected with the part below the filter screen 21 through a circulating pipe 10. The membrane module 20 is positioned above the filter screen 21 and is connected with the outside through a water outlet pipe 9.
The acid inlet pipe 6, the alkali inlet pipe 7 and the bacteria inlet pipe 8 are all connected with a feed pump 15, and required medicaments are respectively added into the corresponding tanks through the feed pumps 15. The first pipeline 4 and the second pipeline 5 are both connected with a suction pump 16, and the liquid in the previous processing pool is conveyed to the next processing pool through the suction pump 16. The circulating pipe 10 is connected with a circulating pump 18, the mixed liquid above the filter screen 21 in the biochemical pool 300 is conveyed to the lower part of the filter screen 21 through the circulating pump 18, and then the sludge is trapped below the filter screen 21 by using the filtering action of the filter screen 21. The water outlet pipe 9 is connected with a water suction pump 17, and the treated clean water is discharged through the water suction pump 17.
In an alternative embodiment, as shown in fig. 1, 3 and 4, the pickling tank 100 and the alkaline washing tank 200 are provided with PH detectors 11 for detecting the PH of the liquid in the tanks, and the biochemical tank 300 is provided with a COD detector 14 for detecting the COD of the liquid in the tanks. The acid washing tank 100 controls the pH value of the liquid in the tank by the pH detector 11, thereby achieving better reaction conditions. Similarly, the pH value of the liquid in the alkaline washing tank 200 is controlled by the pH detector 11, so as to achieve a better reaction condition. When the pH value fails to reach the preset value, the charging pump 15 needs to be started for replenishment. The biochemical tank 300 detects the COD content in the tank through the COD detector 14, and after the COD content reaches a preset value, the treatment can be finished, and at the moment, the water pump 17 can be started to discharge the clean water.
As shown in fig. 1, 3 and 4, in an alternative embodiment, the pickling tank 100 and the alkaline washing tank 200 are each provided with an agitator 12 for agitating the liquid in the tanks, and the biochemical tank 300 is provided with an aerator 13 for supplying dissolved oxygen to the liquid in the tanks. The stirrer 12 is provided to improve the uniformity of mixing of the chemical with the wastewater after the chemical is added, and to accelerate the reaction. The aerator 13 is provided to supplement dissolved oxygen into the tank and supply sufficient oxygen to the microbial inoculum for the biochemical reaction, thereby improving the processing capacity of the microbial inoculum.
In an alternative embodiment, as shown in FIGS. 1 and 3, the pickling bath 100, the caustic bath 200, and the biochemical bath 300 are each provided with a service manhole with a cover 19. The maintenance manhole can be used for maintaining and repairing the components in the tank and cleaning the tank.
In an alternative embodiment, as shown in fig. 1 and 2, the biochemical pool 300 is further provided with a sewage draining outlet with a door 2, and the sewage draining outlet is connected with a part below the filter screen 21 in the biochemical pool 300. When the sludge in the biochemical tank 300 is excessively accumulated, the clear water may be drained and then the door 2 is opened to discharge the sludge.
In an alternative embodiment, the vessel 1 is a cylindrical metal tank or a rectangular cement tank.
In an alternative embodiment, as shown in fig. 4 and 5, the first pipe 4 is located at the end of the pickling tank 100 near the bottom of the tank, the second pipe 5 is located at the end of the caustic bath 200 near the bottom of the tank, and the end of the circulation pipe 10 above the screen 21 and the membrane module 20 are both located near the screen 21. The purpose of this arrangement is to be able to extract the liquid from the bottom layer, so that the liquid in the corresponding cell is extracted as clean as possible.
In an alternative embodiment, hoses are connected to the ends of the first pipe 4, the second pipe 5, the water outlet pipe 9 and the circulation pipe 10. The purpose of the connecting hose is to ensure that as much liquid as possible can be extracted and the residue is reduced by using the flexible characteristic of the hose to extract the liquid by touching the bottom.
In an alternative embodiment, the outlet pipe 9 is connected to a valve.
In an alternative embodiment, the inlet conduit 3 is connected to a grating. The purpose of the grating is to avoid other impurities entering the tank, thereby avoiding damage to the blades of the stirrer 12, the probe of the detector and the blades of the pump.
Working principle and process of the utility model
As shown in FIG. 5, the boiler wastewater enters the pickling tank 100 through the water inlet pipe 3, and at this time, acid liquor is added into the tank by using the corresponding feed pump 15 of the tank, so that the pickling treatment of the wastewater is completed. After that, the waste water is pumped into the alkaline washing tank 200 by the suction pump 16 on the first pipeline 4, and alkaline liquor is added into the tank by the feeding pump 15 corresponding to the tank, so that the alkaline washing treatment of the waste water is completed. After that, the waste water is pumped into the biochemical pool 300 by the suction pump 16 on the second pipeline 5. At this time, the corresponding feed pump 15 of the tank is utilized to add the microbial inoculum into the tank, and the final purification of the wastewater is completed. During this process, sludge is gradually formed and the circulation pump 18 continuously delivers the liquid containing sludge below the screen 21. Because the meshes of the filter screen 21 are small, the sludge can be intercepted, and the sludge is prevented from returning to the upper part of the filter screen 21, so that the sludge can only be gathered below the filter screen 21, and the sludge-water separation is accelerated. Finally, after the purification is completed, the water pump 17 is used to discharge the clean water.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The butanone oxime wastewater biological treatment device is characterized by comprising a container (1), wherein a pickling tank (100), an alkaline washing tank (200) and a biochemical tank (300) are arranged in the container (1); the pickling tank (100) is connected with a water inlet pipe (3) and an acid inlet pipe (6) and is connected with the alkali washing tank (200) through a first pipeline (4); the alkali washing tank (200) is connected with an alkali inlet pipe (7) and is connected with the biochemical tank (300) through a second pipeline (5); a membrane component (20) and a filter screen (21) are arranged in the biochemical tank (300), and the part of the biochemical tank (300) positioned on the filter screen (21) is connected with a bacteria inlet pipe (8) and is connected with the part below the filter screen (21) through a circulating pipe (10); the membrane assembly (20) is positioned above the filter screen (21) and is connected with the outside through a water outlet pipe (9);
advance acid pipe (6), advance alkali pipe (7) and advance fungus pipe (8) and all be connected with charge pump (15), first pipeline (4) and second pipeline (5) all are connected with suction pump (16), circulating pipe (10) are connected with circulating pump (18), outlet pipe (9) are connected with suction pump (17).
2. A butanone oxime wastewater biological treatment apparatus according to claim 1, wherein the acid washing tank (100) and the alkali washing tank (200) are equipped with pH detectors (11) for detecting the pH value of the liquid in the tank, and the biochemical tank (300) is equipped with COD detectors (14) for detecting the COD value of the liquid in the tank.
3. A butanone oxime wastewater biological treatment apparatus according to claim 1, wherein the acid washing tank (100) and the alkali washing tank (200) are each provided with a stirrer (12) for stirring the liquid in the tank, and the biochemical tank (300) is provided with an aerator (13) for supplying dissolved oxygen to the liquid in the tank.
4. A butanone oxime wastewater biological treatment apparatus according to claim 1, wherein the acid washing tank (100), the alkali washing tank (200) and the biochemical tank (300) are all provided with maintenance manholes with covers (19).
5. A butanone oxime wastewater biological treatment apparatus according to claim 1, wherein the biochemical tank (300) is further provided with a sewage draining exit with a door (2), the sewage draining exit is connected with the part below the filter screen (21) in the biochemical tank (300).
6. A butanone oxime wastewater biological treatment apparatus according to claim 1, characterized in that the vessel (1) is a cylindrical metal tank or a rectangular cement tank.
7. A butanone oxime wastewater biological treatment apparatus according to claim 1, wherein the first pipeline (4) is located at the end inside the acid washing tank (100) near the bottom of the tank, the second pipeline (5) is located at the end inside the alkali washing tank (200) near the bottom of the tank, and the end of the circulation pipe (10) above the filter screen (21) and the membrane module (20) are both near the filter screen (21).
8. A butanone oxime wastewater biological treatment device according to claim 7, wherein the ends of the first pipeline (4), the second pipeline (5), the water outlet pipe (9) and the circulating pipe (10) are connected with hoses.
9. A butanone oxime wastewater biological treatment apparatus according to claim 1, characterized in that the outlet pipe (9) is connected with a valve.
10. A butanone oxime wastewater biological treatment apparatus according to claim 1, characterized in that the water inlet pipe (3) is connected with a grid.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202120881512.9U CN215480382U (en) | 2021-04-27 | 2021-04-27 | Butanone oxime waste water biological treatment device |
Applications Claiming Priority (1)
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CN202120881512.9U CN215480382U (en) | 2021-04-27 | 2021-04-27 | Butanone oxime waste water biological treatment device |
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CN215480382U true CN215480382U (en) | 2022-01-11 |
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CN202120881512.9U Active CN215480382U (en) | 2021-04-27 | 2021-04-27 | Butanone oxime waste water biological treatment device |
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2021
- 2021-04-27 CN CN202120881512.9U patent/CN215480382U/en active Active
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