CN222007400U - Aeration type ceramsite fluidized bed coupled ceramic membrane manganese removal water purification system - Google Patents
Aeration type ceramsite fluidized bed coupled ceramic membrane manganese removal water purification system Download PDFInfo
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- CN222007400U CN222007400U CN202420622389.2U CN202420622389U CN222007400U CN 222007400 U CN222007400 U CN 222007400U CN 202420622389 U CN202420622389 U CN 202420622389U CN 222007400 U CN222007400 U CN 222007400U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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Abstract
An aeration type ceramsite fluidized bed coupled ceramic membrane demanganization water purification system, comprising: the device comprises a raw water storage barrel, a raw water lifting pump, a raw water collecting tank, a ceramic membrane reactor, ceramsite, an air pressure pump, a purified water collecting tank and an air inlet valve; the raw water lifting pump is arranged in the raw water reservoir, the raw water lifting pump is connected with the raw water collecting tank and the ceramic membrane reactor sequentially through pipelines, ceramic grains are arranged at the bottom of the ceramic membrane reactor, an air inlet valve is arranged below the ceramic grains, the air inlet valve is connected with the air pressure pump, and the upper part of the ceramic membrane reactor is connected with the water purifying collecting tank through a pipeline; according to the ceramic membrane manganese removal water purification system coupled with the aeration type ceramsite fluidized bed, the ceramsite fluidized bed is coupled with the ceramic membrane, and the ceramsite is driven to move while the high-pressure air gun is aeration, so that collision friction is carried out on the ceramsite and the surface of the ceramic membrane, pollutants on the surface of the membrane and agglomerated birnessite are effectively flushed, and the pollution degree of the membrane is reduced.
Description
Technical Field
The utility model relates to the technical field of water treatment, in particular to an aeration type ceramic particle fluidized bed coupled ceramic membrane manganese removal water purification system.
Background
With the rapid development of industrialization and the continuous expansion of urban areas, water source pollution has become more and more serious, and becomes a serious environmental problem. In particular, the exceeding manganese element in water constitutes a potential threat to human health, so how to effectively remove manganese in water becomes particularly important, and becomes an important subject in the current water treatment field. However, the conventional water treatment method often has the problems of high energy consumption, complex operation, unstable effect and the like, and a novel water treatment technology with high efficiency and low energy consumption is urgently needed. The birnessite has high-efficiency adsorption capacity on divalent manganese ions, and can complete the whole process from adsorption of Mn 2+ to conversion of Mn oxide in a short period of 1 second, thereby effectively solving the problems.
The ceramic membrane has the characteristics of high mechanical strength, low energy consumption, strong pollution resistance, long service life and the like, so that the ceramic membrane is most suitable for being used as a filtering membrane for purifying water, for example, a ceramic membrane water purifying system for dispersing a birnessite functional layer through forward aeration is provided by Chinese patent CN218115198U, and the patent comprises a raw water storage tank, a ceramic membrane reactor, a clean water tank and an air supply device. A ceramic membrane parallel to the bottom of the ceramic membrane reactor is arranged in the ceramic membrane reactor, the ceramic membrane divides the inner cavity of the ceramic membrane reactor into a water inlet cavity and a water outlet cavity, and a manganese removing agent is added in the water inlet cavity and is powdery birnessite; the raw water storage pool is communicated with the water inlet cavity through a water inlet pipe, the water outlet cavity is communicated with the clean water pool through a water outlet pipe, and a first air guide pipe extending into the water inlet cavity is arranged at the air outlet of the air supply device. The demanganizing agent and the powdery active carbon are uniformly mixed and then are positioned on the ceramic membrane to form a birnessite functional layer; meanwhile, the patent also sets an aeration device to break up the birnessite functional layer agglomerated on the ceramic membrane.
However, in the above patent, only the gas sprayed by the high-pressure air gun is used to break up the birnessite functional layer formed on the ceramic film, or the birnessite adhered and agglomerated on part of the ceramic film is still caused, and under the long-term operation of the equipment, the agglomeration area may be gradually increased, so that the normal use is affected.
Based on the problems, the utility model provides the ceramic membrane manganese removal water purification system with the coupled ceramic fluidized bed of the aeration type ceramsite, and the ceramic fluidized bed is coupled with the ceramic membrane, so that the ceramsite is driven to move while the high-pressure air gun is aeration, and the ceramsite collides with the surface of the ceramic membrane for friction, so that pollutants on the surface of the membrane and agglomerated birnessite are effectively flushed, and the pollution degree of the membrane is reduced.
Disclosure of utility model
In order to solve the problems, the utility model provides an aeration type ceramic membrane manganese removal water purification system coupled with a ceramic ceramsite fluidized bed, which can solve the problem that pollutants and agglomerated birnessite on a ceramic membrane are not cleaned cleanly when the ceramic membrane is aerated by high-pressure gas only by a traditional aeration device.
In order to solve the problems, the technical scheme of the utility model is as follows:
The utility model discloses an aeration type ceramic particle fluidized bed coupled ceramic membrane manganese removal water purification system, which comprises: the device comprises a raw water storage barrel, a raw water lifting pump, a raw water collecting tank, a ceramic membrane reactor, ceramsite, an air pressure pump, a purified water collecting tank and an air inlet valve; the raw water lifting pump is arranged in the raw water reservoir, the raw water lifting pump is connected with the raw water collecting tank and the ceramic membrane reactor sequentially through pipelines, ceramsites are arranged at the bottom of the ceramic membrane reactor, an air inlet valve is arranged below the ceramsites and connected with the air pressure pump, the upper part of the ceramic membrane reactor is connected with the water purifying collecting tank through the pipelines, and the ceramsites are one fourth to one third of the height of the liquid level in the ceramic membrane reactor.
Furthermore, a raw water inlet valve is also arranged at the water inlet of the raw water collecting tank, and the raw water inlet valve is arranged between the raw water lifting pump and the raw water collecting tank.
Further, the device also comprises a float valve, wherein the float valve is arranged on a pipeline between the ceramic membrane reactor and the raw water collecting tank.
Further, the ceramic membrane reactor also comprises a ceramic membrane, wherein the ceramic membrane is arranged in the ceramic membrane reactor, and the ceramsite is arranged below the ceramic membrane.
Further, the ceramic membrane is vertically arranged in the ceramic membrane reactor.
Further, the air gun is arranged between the air pump and the air inlet valve.
Furthermore, the ceramic membrane reactor is internally provided with birnessite.
Further, the device also comprises a ceramic membrane water outlet, wherein the ceramic membrane water outlet is arranged above the ceramic membrane and is connected with the purified water collecting tank through a pipeline.
Further, the diameter of the ceramsite is 3-8 mm.
Further, the device also comprises a water outlet valve, and the water outlet valve is arranged on a pipeline between the ceramic membrane water outlet and the purified water collecting tank.
Compared with the prior art, the utility model has the advantages and positive effects that:
1. According to the ceramic membrane manganese removal water purification system coupled with the aeration type ceramsite fluidized bed, the ceramsite fluidized bed is coupled with the ceramic membrane, and the ceramsite is driven to move while the high-pressure air gun is aeration, so that collision friction is carried out on the ceramsite and the surface of the ceramic membrane, pollutants on the surface of the membrane and agglomerated birnessite are effectively flushed, and the pollution degree of the membrane is reduced.
2. According to the ceramic membrane manganese removal water purification system coupled with the aeration type ceramsite fluidized bed, disclosed by the utility model, the dispersion range of the aerated birnessite in the reactor device is larger, the contact time and the contact area with raw water are improved, the manganese removal performance is improved, and the water quality of effluent is higher.
Drawings
FIG. 1 is a schematic diagram of an aeration type ceramsite fluidized bed coupled ceramic membrane manganese removal water purification system of the utility model;
FIG. 2 is a schematic diagram of a ceramic membrane reactor according to the present utility model;
FIG. 3 is a graph showing the manganese removal performance data of example 1 of the present utility model;
FIG. 4 is a graph of flux performance data for example 1 of the present utility model;
FIG. 5 is a graph showing the flux change data before and after aeration in example 1 of the present utility model;
Fig. 6 is an EPS data map of embodiment 1 of the present utility model.
Legend description:
1. raw water storage bucket; 2. a raw water lifting pump; 3. a raw water inlet valve; 4. a raw water collecting tank; 5. a float valve; 6. a ceramic membrane; 7. an air pressure pump; 8. a water outlet valve; 9. a purified water collecting tank; 10. a high pressure air gun; 11. a ceramic membrane water outlet; 12. ceramsite; 13. an air inlet valve.
Detailed Description
In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.
Embodiments of the present utility model will be described in detail below with reference to the attached drawings:
Examples
As shown in fig. 1 and 2:
An aeration type ceramic membrane manganese removal water purification system coupled with a ceramic particle fluidized bed comprises a raw water storage bucket 1, a raw water lifting pump 2, a raw water inlet valve 3, a raw water collecting tank 4, a ball float valve 5, a ceramic membrane reactor, a ceramic membrane 6, an air pressure pump 7, a water outlet valve 8, a water purifying collecting tank 9, a high-pressure air gun 10, a ceramic membrane water outlet 11, ceramic particles 12 and an air inlet valve 13; the raw water storage bucket 1 is internally provided with a raw water lifting pump 2, the raw water lifting pump 2 is connected with a raw water collecting tank 4 through a pipeline, a raw water inlet valve 3 is arranged on a water inlet pipeline of the raw water collecting tank 4, a water outlet of the raw water collecting tank 4 is connected with a ceramic membrane reactor through a pipeline, a ball float valve 5 is arranged between the ceramic membrane reactor and the raw water collecting tank 4, a ceramic membrane 6 is arranged in the ceramic membrane reactor, ceramic particles 12 are arranged at the bottom of the ceramic membrane 6, an air inlet valve 13 is arranged below the ceramic particles 12, a ceramic membrane water outlet 11 is arranged at the upper part of the ceramic membrane 6, the air inlet valve 13 is connected with an air pressure pump 7 through a high-pressure air gun 10, and the ceramic membrane water outlet 11 is connected with a purified water collecting tank 9 through a water outlet valve 8.
The raw water reservoir 1 is used for storing groundwater which needs to be demanganized, the raw water lifting pump 2 is used for pumping groundwater into the raw water collecting tank 4 through the raw water inlet valve 3, the raw water inlet valve 3 is used for opening and closing a water inlet pipeline, the raw water collecting tank 4 is used for storing groundwater pumped by the raw water lifting pump 2 and providing needed gravitational potential energy for the groundwater, the ball float valve 5 is used for opening and closing a water inlet pipeline from the raw water collecting tank 4 to the ceramic membrane reactor, the ceramic membrane 6 is used for filtering impurities in the water, the air pressure pump 7 is used for providing high-pressure gas, the water outlet valve 8 is used for controlling the opening and closing of a water outlet pipeline of the ceramic membrane reactor, the purified water collecting tank 9 is used for collecting filtered water, the high-pressure air gun 10 is used for spraying high-pressure gas, the filtered water can flow out through the ceramic membrane water outlet 11 of the ceramic membrane 6 through the opening and closing of the high-pressure air gun 10, the ceramic membrane 12 is used for carrying out collision friction on the surface of the ceramic membrane 6 under the driving of the high-pressure gas, and the air inlet valve 13 is used for controlling the opening and closing of the high-pressure gas pipeline.
In the embodiment, the ceramic membrane reactor is also internally provided with birnessite for absorbing manganese ions in raw water, meanwhile, the ceramic membrane 6 is vertically arranged in the ceramic membrane reactor, and a cavity is arranged in the ceramic membrane 6; under the action of gravitational potential energy, water in the raw water collecting tank 4 flows into the ceramic membrane reactor through the float valve 5, and raw water contacts with birnessite in the process, so that the manganese removal effect is achieved. Under the action of the transmembrane pressure difference formed by gravitational potential energy and siphon principle, water in the reaction device enters the cavity of the ceramic membrane 6 and flows into the purified water collecting tank 9 from the ceramic membrane water outlet 11 through the water outlet pipe.
After a period of operation, since a large amount of manganese ions are adsorbed on the water sodium manganese ore, the water sodium manganese ore can agglomerate on the ceramic membrane 6 and the ceramic particles 12, aeration is needed at this time, the raw water lifting pump 2 and the raw water inlet valve 3 are firstly closed, the water outlet valve 8 is closed when the water level in the ceramic membrane reactor is reduced to 2 to 3 cm higher than the ceramic particles 12, the air pressure pump 7 is started, the air pressure of the air pressure pump 7 is increased to 0.4Mpa, the air inlet valve 13 is opened, the high-pressure air gun is pulled to continuously aerate the ceramic membrane 6 for 6min, high-pressure air flow vertically upwards enters the air inlet valve 13 at the bottom of the ceramic membrane reactor from the bottom to drive the ceramic particles 12 to move, and the water sodium manganese ore attached to the ceramic particles 12 and deposited at the bottom of the ceramic membrane reactor can also diffuse. The ceramic particles 12 collide with the surface of the ceramic membrane 6 for friction, so that pollutants on the surface of the ceramic membrane 6 are effectively flushed, and the pollution degree of the ceramic membrane 6 is reduced to a certain extent. The dispersion range of the aerated birnessite in the ceramic membrane reactor is larger, the contact time and the contact area with raw water are improved, the demanganization performance is improved, and the water quality of the yielding water is higher.
In the embodiment, the manganese ion concentration of raw water prepared by experiments is 0.48-0.52mg/L, the manganese ion concentration of the effluent is lower than 0.1mg/L after the treatment of the utility model, the manganese ion removal effect of the effluent reaches more than 80%, the manganese ion concentration of the effluent meets the water quality standard of the sanitary standard of tap water life drinking water (GB/T5750-2006), and the treated water can be subjected to the next impurity removal process, thereby having great practical significance.
The ceramsite 12 needs to adsorb the birnessite, if the diameter of the ceramsite 12 is too large, the void ratio is too high, the birnessite cannot be effectively adsorbed, and the ceramic membrane 6 is possibly damaged by the large-diameter ceramsite 12 in the scouring process; if the porosity is too low, the penetration of the birnessite is blocked, and after a plurality of flushing, the diameter of the ceramsite 12 gradually becomes smaller, and if the porosity is too small, impurities and birnessite agglomerates attached to the ceramic membrane 6 cannot be flushed; for the above reasons, the diameter of the ceramic particles 12 adopted in the embodiment is 5 mm, and after the experimental process of 130 days, the diameter of the ceramic particles 12 is reduced by only 2 mm, so that the coupling mode of the ceramic particles 12 and the ceramic membrane 6 is extremely durable, frequent replacement of the ceramic particles 12 is not needed, and the economic benefit is good.
In this embodiment, the total weight of the ceramic particles 12 is 1 kg, the height of the ceramic particles is 1/5 of the height of the liquid level in the ceramic membrane reactor, and is about 10 cm, in the height and proportion, the ceramic particles 12 can be completely flushed to the top of the ceramic membrane 6 by the high-pressure air gun 10, the flushing height completely covers the whole ceramic membrane 6, and the flushing efficiency is high, so that pollutants on the surface of the membrane can be effectively flushed.
The experiment is that the air is aerated every two days, each time lasts for 6min, after the ceramic membrane 6 which runs for a period of time is flushed by high-pressure air flow and the ceramsite 12, the transmembrane pressure difference is obviously reduced, the pollution of the ceramic membrane 6 is obviously lightened, 80L of raw water can be treated by the manganese removing device every day, and the water production efficiency is further improved.
The specific working process comprises the following steps: the groundwater is collected and stored in a raw water storage bucket 1, the groundwater raw water is lifted by a raw water lifting pump 2, and the groundwater raw water flows into a birnessite ceramic membrane reactor from a raw water collecting tank 3, wherein the raw water is subjected to contact oxidation by a birnessite active filter membrane to remove manganese. Under the action of gravitational potential energy, the water successfully demanganized enters the cavity inside through pores on the surface of the ceramic membrane 6, and enters the purified water collecting tank 9 from the water outlet valve 8; meanwhile, after a period of operation, when aeration is needed, the raw water lifting pump 2 and the raw water inlet valve 3 are firstly closed, the water outlet valve 8 is closed when the water level in the ceramic membrane reactor is reduced to 2 to 3 cm higher than the ceramsite 12, the air pressure pump 7 is started, the air pressure of the air pressure pump 7 is increased to 0.4Mpa, the air inlet valve 13 is opened, the high-pressure air gun 10 is pulled to continuously aerate the ceramic membrane 6 for 6min, and high-pressure air flow vertically and upwards enters the air inlet valve 13 at the bottom of the ceramic membrane reactor from the bottom to drive the ceramsite 12 to move, and the birnessite attached to the ceramsite 12 and deposited at the bottom of the ceramic membrane reactor also can be diffused. The ceramic particles 12 collide with the surface of the ceramic membrane 6 for friction, so that pollutants on the surface of the ceramic membrane 6 are effectively flushed, and the pollution degree of the ceramic membrane 6 is reduced to a certain extent.
The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.
Claims (10)
1. An aeration type ceramsite fluidized bed coupled ceramic membrane demanganization water purification system, which is characterized by comprising: the device comprises a raw water storage barrel, a raw water lifting pump, a raw water collecting tank, a ceramic membrane reactor, ceramsite, an air pressure pump, a purified water collecting tank and an air inlet valve; the raw water lifting pump is arranged in the raw water reservoir, the raw water lifting pump is connected with the raw water collecting tank and the ceramic membrane reactor sequentially through pipelines, ceramsites are arranged at the bottom of the ceramic membrane reactor, an air inlet valve is arranged below the ceramsites and connected with the air pressure pump, the upper part of the ceramic membrane reactor is connected with the water purifying collecting tank through the pipelines, and the ceramsites are one fourth to one third of the height of the liquid level in the ceramic membrane reactor.
2. The aeration ceramsite fluidized bed coupled ceramic membrane demanganizing water purifying system as claimed in claim 1, wherein: the water inlet of the raw water collecting tank is also provided with a raw water inlet valve, and the raw water inlet valve is arranged between the raw water lifting pump and the raw water collecting tank.
3. The aeration ceramsite fluidized bed coupled ceramic membrane demanganizing water purifying system as claimed in claim 1, wherein: the device also comprises a float valve, wherein the float valve is arranged on a pipeline between the ceramic membrane reactor and the raw water collecting tank.
4. The aeration ceramsite fluidized bed coupled ceramic membrane demanganizing water purifying system as claimed in claim 1, wherein: still include ceramic membrane, ceramic membrane sets up in ceramic membrane reactor, and the haydite sets up in ceramic membrane below, ceramic membrane is plate-type ceramic membrane or cylinder type ceramic membrane.
5. The aeration ceramsite fluidized bed coupled ceramic membrane demanganizing water purifying system as claimed in claim 4, wherein: the ceramic membrane is vertically arranged in the ceramic membrane reactor.
6. The aeration ceramsite fluidized bed coupled ceramic membrane demanganizing water purifying system as claimed in claim 1, wherein: the high-pressure air gun is arranged between the air pressure pump and the air inlet valve.
7. The aeration ceramsite fluidized bed coupled ceramic membrane demanganizing water purifying system as claimed in claim 5, wherein: the water purifier also comprises a ceramic membrane water outlet, wherein the ceramic membrane water outlet is arranged above the ceramic membrane and is connected with the purified water collecting tank through a pipeline.
8. The aerated ceramsite fluidized bed coupled ceramic membrane demanganizing water purification system of claim 7, wherein: the water outlet valve is arranged on a pipeline between the ceramic membrane water outlet and the purified water collecting tank.
9. The aeration ceramsite fluidized bed coupled ceramic membrane demanganizing water purifying system as claimed in claim 1, wherein: the diameter of the ceramsite is 3-8 mm.
10. The aerated ceramsite fluidized bed coupled ceramic membrane demanganizing water purification system of any one of claims 1-9, wherein: and the ceramic membrane reactor is internally provided with birnessite.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420622389.2U CN222007400U (en) | 2024-03-28 | 2024-03-28 | Aeration type ceramsite fluidized bed coupled ceramic membrane manganese removal water purification system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202420622389.2U CN222007400U (en) | 2024-03-28 | 2024-03-28 | Aeration type ceramsite fluidized bed coupled ceramic membrane manganese removal water purification system |
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| CN222007400U true CN222007400U (en) | 2024-11-15 |
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| CN202420622389.2U Active CN222007400U (en) | 2024-03-28 | 2024-03-28 | Aeration type ceramsite fluidized bed coupled ceramic membrane manganese removal water purification system |
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| CN (1) | CN222007400U (en) |
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