CN209210481U - A kind of sewage-treatment plant suitable for country sewage changes in flow rate - Google Patents
A kind of sewage-treatment plant suitable for country sewage changes in flow rate Download PDFInfo
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Abstract
This application involves technical field of sewage more particularly to a kind of sewage-treatment plants suitable for country sewage changes in flow rate.The application is provided with main water inlet tube, anaerobic pond, anoxic pond, aerobic tank, the first oxygen compatibility pool/the second oxygen compatibility pool, sedimentation basin, water outlet, and the upstream of anaerobic pond is equipped with preposition anoxic pond, and the upstream of preposition anoxic pond is equipped with sludge concentration tank；Sludge in sedimentation basin is delivered in the sludge concentration tank, two oxygen compatibility pools are arranged to be equivalent in AAO system postposition SBR system, the setting of two oxygen compatibility pool alternate runs, so that the denitrogenation dephosphorizing efficiency of device is substantially improved, the reservoir storage of entire sewage-treatment plant can be effectively adjusted simultaneously, to adapt to the sewage treatment environment that the discharge of sewage changes greatly, be adapted to the sewage treatment environment of different situations, quality of sewage disposal is stablized, and the adaptability of discharge of sewage variation is greatly improved.
Description
Technical field
This application involves technical field of sewage more particularly to a kind of sewage treatments suitable for country sewage changes in flow rate
Device.
Background technique
Currently, the processing of country sewage is substantially at the stage that municipal sewage treatment mode method is indiscriminately imitated in transplanting.However, with
City is compared, and rural area is typically located at remote area, and the density of population is low, and the dispersion of sewage water, water amplitude of variation are larger；Such as into
Row centralized processing, then the too long investment of sewage network laying is excessive, sewage plant is underload, it is difficult to run；Therefore according to rural area
The difference of social structure, economic level and living habit etc., the adaptation to local conditions in terms of selecting sewage treatment process, is answered
Select small investment, operational management easily small-sized separated practices method.
The processing method of municipal sewage is difficult the perfect processing for adapting to country sewage, is developed based on intrinsic processing method
There is also various problems for the distributed integrated rural sewage-treatment plant come, can not well adapt to country sewage water
The problem of amount variation, treatment effeciency is extremely unstable.
Utility model content
In order to solve the above-mentioned technical problem or it at least is partially solved above-mentioned technical problem, it is suitable that this application provides one kind
In the sewage-treatment plant of country sewage changes in flow rate.
The application includes setting gradually along drainage flow direction: main water inlet tube, anaerobic pond, anoxic pond, aerobic tank, first
The upstream of oxygen compatibility pool/the second oxygen compatibility pool, sedimentation basin, water outlet, the anaerobic pond is equipped with preposition anoxic pond, the preposition anoxic pond
Upstream be equipped with sludge concentration tank；Sludge in the sedimentation basin is delivered in the sludge concentration tank, first oxygen compatibility pool
The sludge concentration tank is introduced respectively with the partial reflux liquid of the second oxygen compatibility pool, described in the supernatant of the sludge concentration tank introduces
The sludge of anoxic pond, the sludge concentration tank enters the anaerobic pond through the preposition anoxic pond；First oxygen compatibility pool and
Two oxygen compatibility pool alternate runs.
Optionally, the preposition anoxic pond, anaerobic pond, anoxic pond, aerobic tank are provided with the no less than superelevation of 0.3m.
Optionally, the main water inlet tube by shunt conduit respectively with the preposition anoxic pond, the first oxygen compatibility pool, second simultaneous
The connection of oxygen pond, the main water inlet tube, multiple shunt conduits are respectively connected to the anaerobic pond, preposition anoxic pond, the first oxygen compatibility pool, the
The bottom of two oxygen compatibility pools, into the anaerobic pond, preposition anoxic pond, the first oxygen compatibility pool, the sewage quantity of the second oxygen compatibility pool is adjustable
Section.
Optionally, the main water inlet tube is equipped with flowmeter；
When the discharge of sewage for entering the main water inlet tube is greater than the set value, 70% sewage is distributed to the anaerobism
Pond, remaining sewage are distributed to the preposition anoxic pond, the first oxygen compatibility pool, the second oxygen compatibility pool；
When the discharge of sewage for entering the main water inlet tube is less than setting value, 80% sewage is distributed to described first simultaneous
Oxygen pond and the second oxygen compatibility pool, remaining sewage are distributed to the preposition anoxic pond, anaerobic pond.
Optionally, the liquid level at the main water inlet tube is greater than the liquid level of each reaction tank, the liquid level of each reaction tank
Height is all larger than the liquid level of the water outlet, and the water outlet is connected with flow control valve.
It optionally, further include tank body, it is the main water inlet tube, anaerobic pond, anoxic pond, aerobic tank, the first oxygen compatibility pool, second simultaneous
Oxygen pond, sedimentation basin, water outlet, preposition anoxic pond, sludge concentration tank are arranged in the tank body.
Optionally, one end of the tank body is arranged in the aerobic tank, and the sedimentation basin and water outlet are arranged in the tank
The other end of body, first oxygen compatibility pool and the second oxygen compatibility pool are arranged side by side, and the one of first oxygen compatibility pool and the second oxygen compatibility pool
End connects with the aerobic tank, and first oxygen compatibility pool connects with the sedimentation basin with the other end of the second oxygen compatibility pool, institute
Anoxic pond, anaerobic pond, preposition anoxic pond, sludge concentration tank is stated to be sequentially arranged between first oxygen compatibility pool and the second oxygen compatibility pool
Region, the anoxic pond connects with the aerobic tank, and the preposition anoxic pond connects with the sedimentation basin.
It optionally, further include Rinsing Area, the Rinsing Area is arranged between the sedimentation basin and water outlet, the sedimentation basin
Supernatant through the Rinsing Area enter the water outlet.
Above-mentioned technical proposal provided by the embodiments of the present application has the advantages that the application is provided with compared with prior art
Two oxygen compatibility pools are equivalent at AAO (sewage treatment process of " anaerobic- anoxic- oxic ", Anaerobic-Anoxic-Oxic)
System postposition SBR (sequencing batch active sludge, Sequencing Batch Reactor Activated Sludge
Process) system, the setting of two oxygen compatibility pool alternate runs, so that the denitrogenation dephosphorizing efficiency of device is substantially improved, while can be with
The reservoir storage of entire sewage-treatment plant is effectively adjusted, so that the sewage treatment environment that the discharge of sewage changes greatly is adapted to, it can
To adapt to the sewage treatment environment of different situations, quality of sewage disposal is stablized, and the adaptability of discharge of sewage variation is substantially mentioned
It is high；The application improves existing sewage-treatment plant to the adaptability of country sewage changes in flow rate and the efficiency of denitrogenation dephosphorizing,
With stronger replicability, it is of great significance in small section sewage treatment field.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the application
Example, and together with specification it is used to explain the principle of the application.
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, for those of ordinary skill in the art
Speech, without any creative labor, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the floor map for being suitable for the sewage-treatment plant of country sewage changes in flow rate described in the embodiment of the present application；
Fig. 2 is the work flow diagram for being suitable for the sewage-treatment plant of country sewage changes in flow rate described in the embodiment of the present application.
Wherein, 1, aerobic tank；3, anoxic pond；4, anaerobic pond；5, the first oxygen compatibility pool；6, the second oxygen compatibility pool；7, main water inlet tube；
9, preposition anoxic pond；10, sludge concentration tank；11, sedimentation basin；12, Rinsing Area；13, water outlet.
Specific embodiment
It, below will be in the embodiment of the present application to keep the purposes, technical schemes and advantages of the embodiment of the present application clearer
Technical solution be clearly and completely described, it is clear that described embodiment is a part of the embodiment of the application, without
It is whole embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not making creative work
Under the premise of every other embodiment obtained, shall fall in the protection scope of this application.
As shown in Figure 1, a kind of sewage-treatment plant suitable for country sewage changes in flow rate of the application, including along drainage flow
What direction was set gradually: main water inlet tube 7, anaerobic pond 4, anoxic pond 3, aerobic tank 1,5/ second oxygen compatibility pool 6 of the first oxygen compatibility pool, precipitating
Pond 11, water outlet 13, the upstream of the anaerobic pond 4 are equipped with preposition anoxic pond 9, and the upstream of the preposition anoxic pond 9 is equipped with sludge
Concentration basin 10；Sludge in the sedimentation basin 11 is delivered in the sludge concentration tank 10, and first oxygen compatibility pool 5 and second is simultaneous
The partial reflux liquid in oxygen pond 6 introduces the sludge concentration tank 10 respectively, and the supernatant of the sludge concentration tank 10 introduces described lack
The sludge in oxygen pond 3, the sludge concentration tank 10 enters the anaerobic pond 4 through the preposition anoxic pond 9；First oxygen compatibility pool 5
With 6 alternate run of the second oxygen compatibility pool.AAO system generally comprises: main water inlet tube 7, anaerobic pond 4, anoxic pond 3, aerobic tank 1, precipitating
Pond 11, sludge concentration tank 10, have the function of synchronous denitrification dephosphorizing；SBR system is suitable for intermittent discharge and changes in flow rate is larger
Occasion；The application is provided with two oxygen compatibility pools, is equivalent in AAO system postposition SBR system, two oxygen compatibility pool alternate runs
Setting so that the denitrogenation dephosphorizing efficiency of device is substantially improved, while can effectively adjust the storage of entire sewage-treatment plant
Water, to adapt to the sewage treatment environment that the discharge of sewage changes greatly；In the case where preposition AAO system continuous operation, two
A oxygen compatibility pool alternate run not only realizes continuous effluent, but also oxygen compatibility pool can be allowed to be conserved, and ensures the processing energy of oxygen compatibility pool
Power, is adapted to the sewage treatment environment of different situations, and quality of sewage disposal is stablized, for discharge of sewage variation adaptability greatly
Width improves；The application improves existing sewage-treatment plant to the adaptability of country sewage changes in flow rate and the effect of denitrogenation dephosphorizing
Rate has stronger replicability, is of great significance in small section sewage treatment field.
Optionally, the preposition anoxic pond 9, anaerobic pond 4, anoxic pond 3, aerobic tank 1 are provided with the super of no less than 0.3m
It is high.Superelevation part can be used as the aquifer zones under the conditions of big yield, can successfully manage the case where sewage quantity increases suddenly；Small water
It can guarantee system continuous operation by the alternate run of oxygen compatibility pool under the conditions of amount, it is ensured that sewage purification quality.
Optionally, the main water inlet tube 7 by shunt conduit respectively with the preposition anoxic pond 9, the first oxygen compatibility pool 5, the
The connection of two oxygen compatibility pools 6, the main water inlet tube 7, multiple shunt conduits are respectively connected to the anaerobic pond 4, preposition anoxic pond 9, first
The bottom of oxygen compatibility pool 5, the second oxygen compatibility pool 6, into the anaerobic pond 4, preposition anoxic pond 9, the first oxygen compatibility pool 5, the second oxygen compatibility pool
6 sewage quantity is adjustable.Sewage respectively enters above-mentioned each reaction tank after shunting, and the sewage by adjusting each reaction tank enters
Amount, can be supplied, it is ensured that the sewage treatment capacity of above-mentioned each reaction tank is unaffected with the reaction carbon source in these regions of flexible modulation.
Optionally, the main water inlet tube 7 is equipped with flowmeter；The sewage into main water inlet tube 7 can be monitored in real time in flowmeter
Flow；
When the discharge of sewage for entering the main water inlet tube 7 is greater than the set value, 70% sewage is distributed to the anaerobism
Pond 4, remaining sewage are distributed to the preposition anoxic pond 9, the first oxygen compatibility pool 5, the second oxygen compatibility pool 6；
When the discharge of sewage for entering the main water inlet tube 7 is less than setting value, 80% sewage is distributed to described first
Oxygen compatibility pool 5 and the second oxygen compatibility pool 6, remaining sewage are distributed to the preposition anoxic pond 9, anaerobic pond 4.Setting value mentioned here,
It should be changed according to the sewage total amount of actual environment and the processing capacity of device is determined, guarantee that sewage-treatment plant can be stablized
Operation.
Sewage weight is larger, needs sewage-treatment plant water storage, then allows 70% or so sewage to enter anaerobic pond 4 and carry out instead
It answers, remaining sewage is by the pro rate of 1:1:1 to preposition anoxic pond 9, the first oxygen compatibility pool 5, the second oxygen compatibility pool 6 to guarantee each region
Carbon source distribution；If sewage total amount is less, the operation of AAO technique can not be supported, then 80% sewage is directly allowed to be directly entered
One oxygen compatibility pool 5, the second oxygen compatibility pool 6 complete sewage disposal process by SBR technique, remaining a small amount of sewage is assigned to preposition lack
Oxygen pond 9 and anaerobic pond 4 allow preposition anoxic pond 9 and anaerobic pond 4 to be in small flow storage and stop conserving the microorganism stage, keep reaction tank
Activity.
Optionally, the liquid level at the main water inlet tube 7 is greater than the liquid level of each reaction tank, the liquid level of each reaction tank
Height is all larger than the liquid level at the water outlet 13, and the water outlet 13 is connected with flow control valve.Such as: main water inlet
Liquid level at pipe 7 is 1.7m, and the liquid level of each reaction tank is generally 1.5m, and the liquid level at water outlet 13 is
0.5m.Liquid level at main water inlet tube 7 is greater than the liquid level of each reaction tank, and the liquid level of reaction tank can have centainly when water storage
Lifting space, facilitate water storage；The liquid level of each reaction tank is all larger than the liquid level at the water outlet 13；Due to sewage
Possible waves, the liquid level that each reaction tank can be adjusted by way of adjusting 13 flow control valve of water outlet are high at any time for inlet
Degree realizes water storage and copes with the less situation of sewage inlet；Flow control valve needs frequently to adjust, water outlet liquid level
Lower, the pressure that flow control valve is subject to is smaller, and valve is hardly damaged；It can certainly be by sending large amount of sewage to first simultaneous
Oxygen pond 5, the second oxygen compatibility pool 6 mode cope with the too low situation of sewage inlet.
Optionally, the main water inlet tube 7, anaerobic pond 4, anoxic pond 3, aerobic as shown in Figure 1, the application further includes tank body
Pond 1, the first oxygen compatibility pool 5, the second oxygen compatibility pool 6, sedimentation basin 11, water outlet 13, preposition anoxic pond 9, sludge concentration tank 10 are respectively provided with
In the tank body.Will entirely sewage-treatment plant it be arranged in a tank body, the volume of tank body can be according to sewage treatment energy
Power is designed；Sewage-treatment plant is provided entirely in tank body, and compact overall structure facilitates whole Transporting and installation.
Specifically, as shown in Figure 1, one end of the tank body, the sedimentation basin 11 and water outlet is arranged in the aerobic tank 1
13 are arranged in the other end of the tank body, and first oxygen compatibility pool 5 and the second oxygen compatibility pool 6 are arranged side by side, first oxygen compatibility pool
5 connect with the aerobic tank 1 with one end of the second oxygen compatibility pool 6, the other end of first oxygen compatibility pool 5 and the second oxygen compatibility pool 6
Connect with the sedimentation basin 11, the anoxic pond 3, anaerobic pond 4, preposition anoxic pond 9, sludge concentration tank 10 are sequentially arranged in institute
The region between the first oxygen compatibility pool 5 and the second oxygen compatibility pool 6 is stated, the anoxic pond 3 connects with the aerobic tank 1, described preposition scarce
Oxygen pond 9 connects with the sedimentation basin 11.Two oxygen compatibility pools are arranged in two sides, so that entire sewage-treatment plant topology layout is closed
Reason, occupies little space, and convenient transportation, installation occupies little space, stronger to the adaptability of installation environment, convenient in vast rural area
It promotes the use of in region.
Optionally, the application further includes Rinsing Area 12, and the setting of Rinsing Area 12 is in the sedimentation basin 11 and water outlet 13
Between, the supernatant of the sedimentation basin 11 enters the water outlet 13 through the Rinsing Area 12.It is i.e. upper after the precipitating of sedimentation basin 11
Clear liquid is introduced into Rinsing Area 12, is then discharged again by Rinsing Area 12 into water outlet 13, and Rinsing Area 12 can play certain delay
Punching effect, prevents the sludge in sedimentation basin 11 to be discharged.
For convenience of the application is understood, referring to the main working process for shown in Fig. 2, introducing the application: sewage from
After main water inlet tube 7 enters, 70% sewage is directly entered 4 bottom of anaerobic pond, then sequentially enters anoxic pond 3, aerobic tank 1, the
Which one oxygen compatibility pool 5 or the second oxygen compatibility pool 6, sedimentation basin 11, Rinsing Area 12, water outlet 13 see after the water in aerobic tank 1 comes out
Oxygen compatibility pool is in operating status, enters which oxygen compatibility pool；The supernatant of oxygen compatibility pool enters sedimentation basin 11, and partial reflux liquid enters
Sludge concentration tank 10；The supernatant of sedimentation basin 11 enters Rinsing Area 12, and the returned sludge after precipitating enters sludge concentration tank 10；It is dirty
The supernatant of mud thickener 10 is sent to anoxic pond 3, and the sludge after concentration is sent to preposition anoxic pond 9, then again from preposition anoxic pond 9
Into anaerobic pond 4.Sewage is discharged after above-mentioned process from water outlet 13, sludge, phegma in sewage-treatment plant
Etc. continuing to participate in subsequent sewage disposal process；This process is directed to the larger situation of sewage inlet, sewage inlet
When smaller, 80% sewage is directly entered that oxygen compatibility pool being currently running, and oxygen compatibility pool after treatment enters sedimentation basin 11, clear
Sink 12 is discharged through water outlet 13.
It should be noted that, in this document, the relational terms of such as " first " and " second " or the like are used merely to one
A entity or operation with another entity or operate distinguish, without necessarily requiring or implying these entities or operation it
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant are intended to
Cover non-exclusive inclusion, so that the process, method, article or equipment for including a series of elements not only includes those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or setting
Standby intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in the process, method, article or apparatus that includes the element.
The above is only the specific embodiment of the application, is made skilled artisans appreciate that or realizing this Shen
Please.Various modifications to these embodiments will be apparent to one skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the application.Therefore, the application
These embodiments as described herein are not intended to be limited to, and are to fit to and applied principle and features of novelty phase one herein
The widest scope of cause.
Claims (8)
1. a kind of sewage-treatment plant suitable for country sewage changes in flow rate, which is characterized in that including along drainage flow direction according to
Secondary setting: main water inlet tube, anaerobic pond, anoxic pond, aerobic tank, the first oxygen compatibility pool/second oxygen compatibility pool, sedimentation basin, water outlet, institute
The upstream for stating anaerobic pond is equipped with preposition anoxic pond, and the upstream of the preposition anoxic pond is equipped with sludge concentration tank；In the sedimentation basin
Sludge be delivered in the sludge concentration tank, the partial reflux liquid of first oxygen compatibility pool and the second oxygen compatibility pool introduces institute respectively
State sludge concentration tank, the supernatant of the sludge concentration tank introduces the anoxic pond, described in the sludge warp of the sludge concentration tank
Preposition anoxic pond enters the anaerobic pond；First oxygen compatibility pool and the second oxygen compatibility pool alternate run.
2. sewage-treatment plant according to claim 1, which is characterized in that the preposition anoxic pond, anaerobic pond, anoxic
Pond, aerobic tank are provided with the no less than superelevation of 0.3m.
3. sewage-treatment plant according to claim 1, which is characterized in that the main water inlet tube is distinguished by shunt conduit
It is connected to the preposition anoxic pond, the first oxygen compatibility pool, the second oxygen compatibility pool, the main water inlet tube, multiple shunt conduits are respectively connected to
The anaerobic pond, preposition anoxic pond, the first oxygen compatibility pool, the second oxygen compatibility pool bottom, into the anaerobic pond, preposition anoxic pond,
First oxygen compatibility pool, the sewage quantity of the second oxygen compatibility pool are adjustable.
4. sewage-treatment plant according to claim 3, which is characterized in that the main water inlet tube is equipped with flowmeter；
When the discharge of sewage for entering the main water inlet tube is greater than the set value, 70% sewage is distributed to the anaerobic pond,
Remaining sewage is distributed to the preposition anoxic pond, the first oxygen compatibility pool, the second oxygen compatibility pool；
When the discharge of sewage for entering the main water inlet tube is less than setting value, 80% sewage is distributed to first oxygen compatibility pool
With the second oxygen compatibility pool, remaining sewage is distributed to the preposition anoxic pond, anaerobic pond.
5. sewage-treatment plant according to claim 1, which is characterized in that the liquid level at the main water inlet tube is greater than
The liquid level of each reaction tank, the liquid level of each reaction tank are all larger than the liquid level of the water outlet, the water outlet
It is connected with flow control valve.
6. sewage-treatment plant according to claim 1-5, which is characterized in that further include tank body, the master into
Water pipe, anaerobic pond, anoxic pond, aerobic tank, the first oxygen compatibility pool, the second oxygen compatibility pool, sedimentation basin, water outlet, preposition anoxic pond, sludge
Concentration basin is arranged in the tank body.
7. sewage-treatment plant according to claim 6, which is characterized in that the one of the tank body is arranged in the aerobic tank
The other end of the tank body is arranged in end, the sedimentation basin and water outlet, and first oxygen compatibility pool is set side by side with the second oxygen compatibility pool
It sets, first oxygen compatibility pool connects with the aerobic tank with one end of the second oxygen compatibility pool, first oxygen compatibility pool and second simultaneous
The other end in oxygen pond connects with the sedimentation basin, and the anoxic pond, anaerobic pond, preposition anoxic pond, sludge concentration tank are sequentially set
The region between first oxygen compatibility pool and the second oxygen compatibility pool is set, the anoxic pond connects with the aerobic tank, described preposition
Anoxic pond connects with the sedimentation basin.
8. sewage-treatment plant according to claim 7, which is characterized in that it further include Rinsing Area, the Rinsing Area setting
Between the sedimentation basin and water outlet, the supernatant of the sedimentation basin enters the water outlet through the Rinsing Area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821407530.8U CN209210481U (en) | 2018-08-29 | 2018-08-29 | A kind of sewage-treatment plant suitable for country sewage changes in flow rate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821407530.8U CN209210481U (en) | 2018-08-29 | 2018-08-29 | A kind of sewage-treatment plant suitable for country sewage changes in flow rate |
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| CN209210481U true CN209210481U (en) | 2019-08-06 |
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| CN201821407530.8U Active CN209210481U (en) | 2018-08-29 | 2018-08-29 | A kind of sewage-treatment plant suitable for country sewage changes in flow rate |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108793409A (en) * | 2018-08-29 | 2018-11-13 | 陕西朗正环保科技有限公司 | A kind of sewage-treatment plant suitable for country sewage changes in flow rate |
| CN110540293A (en) * | 2019-08-26 | 2019-12-06 | 西安建筑科技大学 | Sewage treatment device and method suitable for large-amplitude fluctuation of water quantity |
| CN115259356A (en) * | 2022-07-22 | 2022-11-01 | 三亚易可霖环保科技有限公司 | Improved talcum powder high-concentration activated sludge process sewage treatment equipment and method thereof |
-
2018
- 2018-08-29 CN CN201821407530.8U patent/CN209210481U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108793409A (en) * | 2018-08-29 | 2018-11-13 | 陕西朗正环保科技有限公司 | A kind of sewage-treatment plant suitable for country sewage changes in flow rate |
| CN108793409B (en) * | 2018-08-29 | 2023-12-29 | 中化学朗正环保科技有限公司 | Sewage treatment device suitable for rural sewage flow change |
| CN110540293A (en) * | 2019-08-26 | 2019-12-06 | 西安建筑科技大学 | Sewage treatment device and method suitable for large-amplitude fluctuation of water quantity |
| CN115259356A (en) * | 2022-07-22 | 2022-11-01 | 三亚易可霖环保科技有限公司 | Improved talcum powder high-concentration activated sludge process sewage treatment equipment and method thereof |
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Address after: 15 / F, building 4, Taihua Jinmao international, No.16, Fenghui South Road, high tech Zone, Xi'an City, Shaanxi Province, 710075 Patentee after: China chemical langzheng Environmental Protection Technology Co.,Ltd. Address before: 15 / F, building 4, Taihua Jinmao international, No.16, Fenghui South Road, high tech Zone, Xi'an City, Shaanxi Province, 710075 Patentee before: SHAANXI LANGZHENG ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. |
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