CN113443677A - A two-way stream clean system of rotary drum type for high salt waste water - Google Patents
A two-way stream clean system of rotary drum type for high salt waste water Download PDFInfo
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- CN113443677A CN113443677A CN202110717797.7A CN202110717797A CN113443677A CN 113443677 A CN113443677 A CN 113443677A CN 202110717797 A CN202110717797 A CN 202110717797A CN 113443677 A CN113443677 A CN 113443677A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/16—Regeneration of sorbents, filters
Abstract
The invention provides a rotary drum type bidirectional flow purification system for high-salinity wastewater, which comprises a purification system and a pipeline system nested in the purification system; the purification system comprises 6 partition plates, a purification area with a hollow cylindrical structure, a cylindrical water distribution bin positioned at the axis of the purification area, a rotating shaft connected with the 6 partition plates, a motor driving the rotating shaft to rotate, a fixed support fixedly connected with the motor and used for supporting the system, and a water storage tank; the 6 partition plates are uniformly distributed in the purification area of the purification system, and the purification area is axially and uniformly divided into 6 fan-shaped independent purification areas; hydrogel materials with water purification effect are filled in the 6 independent purification areas. The system provided by the invention realizes the sequencing batch operation of each independent purification area by using the mode that the motor drives the rotating shaft to further drive each independent purification area in the purification system to rotate at regular time, and simultaneously can achieve the effect of turning the filler, is convenient for the cleaning of the filler and can realize the uninterrupted treatment of high-salinity wastewater.
Description
Technical Field
The invention belongs to the technical field of environmental engineering, and particularly relates to a rotary drum type bidirectional flow purification system for high-salinity wastewater.
Background
The high-salt-content wastewater is used as a main component of industrial production wastewater, and becomes a major environmental protection problem in industrial development and wastewater treatment at the present stage due to large discharge amount and high treatment difficulty. The substandard discharge of the high-salinity wastewater not only causes the waste of salt resources and water resources, but also causes serious environmental pollution. Salinity is an important environmental factor of the water environment and has direct or indirect influence on aquatic organisms, growth and reproduction. When the salinity of the water environment suddenly increases, the osmotic balance between aquatic species and the living environment of the aquatic species can be caused, the dehydration of cells and the reduction of expansion pressure are caused, and the imbalance and even death of the plasmolysis and the metabolism are further caused. In addition, the salinity of the neighboring soil can also be increased, which causes the degradation of the soil structure and influences the soil ecology. Therefore, the high-efficiency treatment of the high-salinity wastewater and the recovery of inorganic salt and water resources in the high-salinity wastewater have great significance for solving the problems of resource shortage and environmental pollution.
The high-salinity wastewater has complex components and high concentration, and is very easy to cause the blockage and abnormal operation of treatment processes and equipment, so a pretreatment process is required to be arranged before a formal process to carry out reduction and harmless treatment on partial pollutant concentration. The prior art is mainly biological, chemical and physical. The biological method is a method for treating wastewater by utilizing the metabolism and propagation of microorganisms, but substances such as heavy metals in high-salinity wastewater can destroy the living structures of the microorganisms to inhibit the growth and propagation of the microorganisms, and even cause cell inactivation. The chemical method is to treat the waste water by chemical agents, and the method has high cost and can cause secondary pollution. The physical method separates partial pollutants from the wastewater system through physical means such as adsorption, flocculation, coagulation and the like, and compared with the two methods, the method has higher feasibility, but the following problems still exist to be solved: desorption or back washing is needed after adsorption or filtration in the prior art, the operation can only be carried out intermittently, a plurality of parallel processes are usually arranged for alternate operation, and the operation is also intermittent in nature, so that initial investment and operation cost are increased; secondly, the mass of the adsorbent is large, and the total weight of the equipment is increased, so that the operation cost such as power consumption is increased; and the existing adsorbent has insufficient adsorption effect. Hydrogel is used as a novel light material and has a good adsorption effect on pollutants, but the application of hydrogel in the related field of high-salinity wastewater treatment is rarely reported.
Therefore, it is urgently needed to develop a treatment system which can realize the high-efficiency treatment of the high-salinity wastewater by using the hydrogel and can continuously run, and the treatment system has great significance for the existing environmental protection industry and ecological environment protection.
Disclosure of Invention
Aiming at the defects, the invention provides a system which can not only utilize hydrogel to efficiently treat high-salinity wastewater, but also can continuously realize the simultaneous gel backwashing and further uninterruptedly treat the high-salinity wastewater.
The invention provides the following technical scheme: a rotary drum type bi-directional flow purification system for high salinity wastewater, the system comprising a purification system and a piping system nested in the purification system;
the purification system comprises 6 partition plates, a purification area with a hollow cylindrical structure, a cylindrical water distribution bin positioned at the axis of the purification area, a rotating shaft fixedly connected with the 6 partition plates, a motor driving the rotating shaft to rotate, a fixed support fixedly connected with the motor and used for supporting the system, and a water storage tank arranged at the lower part of the purification area;
6 division board evenly distributed in clean system's clean area in, will clean area axial evenly separated is 6 fan-shaped independent clean areas: a first independent purification zone, a second independent purification zone, a third independent purification zone, a fourth independent purification zone, a fifth independent purification zone and a sixth independent purification zone; hydrogel materials with water purification effect are filled in the 6 independent purification areas;
the axes of the purification area, the water distribution bin and the rotating shaft are overlapped to form a central shaft;
the pipeline system comprises a water inlet pipe, a water inlet distribution pipe, a cleaning water inlet pipe, a water distribution interface board and a row of water outlet pipes, wherein the water inlet distribution pipe is connected with the water inlet pipe;
the water inlet distribution pipe and the cleaning water distribution pipe are arranged in the cylindrical water distribution bin and have opposite water inlet directions in the axial direction, and the water distribution interface plate separates the water inlet distribution pipe from the cleaning water distribution pipe in the radial vertical direction of the water distribution bin; the water inlet distribution pipe and the cleaning water distribution pipe are tangent to the inner wall of the water distribution bin;
the water inlet and distribution pipe is provided with a row of water inlet and distribution holes which are vertically arranged upwards in sequence in the axial direction, and the water inlet and distribution holes face the first independent purification area; the washing water distributing pipe is provided with a row of washing water distributing holes which face to the vertical downward direction and are arranged in sequence in the axial direction.
Furthermore, the diameter of the water distribution bin is 100-350mm, the water distribution bin comprises a water distribution bin shell and water distribution holes which are arranged on the surface of the water distribution bin shell vertically upwards in the axial direction and at least one row of which faces the first independent purification area and are sequentially arranged, and the circle centers of the water inlet and distribution holes are in one-to-one correspondence with the circle centers of the water distribution holes of the water distribution bin at the first independent purification area;
the contact surface of the fan-shaped independent purification area and the water distribution bin is provided with a filter screen, and the aperture of the filter screen is 20-75% of the water distribution holes of the water distribution bin.
Furthermore, the diameter of the water inlet and distribution holes is 80-90% of the diameter of the corresponding water distribution holes of the water distribution bin. The diameter of the water distribution hole of the water inlet bin is 2-6 mm.
Furthermore, a water inlet check valve is arranged on the water inlet pipe, and the diameter of the water inlet pipe is 60-80% of the diameter of the water distribution bin; the water inlet distribution pipe is provided with a water inlet distribution baffle which is distributed on the pipe wall of the water inlet distribution pipe, so that water flowing out of the water inlet distribution pipe enters the purification area and does not flow into the water distribution bin.
Furthermore, the number of rows of water distribution holes of the water distribution bins, which are sequentially arranged on the surface of the outer shell of the water distribution bin in the axial direction, is 6, and the water distribution holes of the 6 water distribution bins are uniformly distributed along the circumference of the cross section of the water distribution bin.
Furthermore, a cleaning water check valve is arranged on the cleaning water inlet pipe and used for controlling whether the cleaning water inlet pipe enters water or not, and the pipe diameter of the cleaning water inlet pipe is 20-30% of the diameter of the water distribution bin.
Furthermore, a washing water distribution baffle is arranged on the washing water distribution pipe; the cleaning water distribution baffles are distributed on the pipe wall of the cleaning water distribution pipe, so that water flowing out of the cleaning water distribution pipe enters the purification area and does not flow into the water distribution bin.
Furthermore, the number of the water outlet pipes in each row in the axial direction of the independent purification area is 7, the water outlet pipes are distributed outside the purification system and all contain timing electromagnetic valves; the water outlet pipes comprise cleaning water outlet pipes positioned on the water inlet sides of the water inlet water distribution pipes and purified water outlet pipes positioned on the water inlet sides of the cleaning water distribution pipes, the number of the cleaning water outlet pipes is 3, and the number of the purified water outlet pipes is 4.
Furthermore, the water storage tank is divided into a cleaning water outlet area on the left side and a purified water outlet area on the right side, the cleaning water outlet area is used for receiving the outlet water of the cleaning water outlet pipe, and the purified water outlet area is used for receiving the outlet water of the purified water outlet pipe.
Further, the thickness of the hydrogel filler in the fan-shaped independent purification area is 300-800mm, and the filling rate of the built-in hydrogel material is 60% -90%; the partition plate and the water distribution bin are connected in a welding mode, and waterproof treatment is carried out; the partition plate is made of stainless steel; the water distribution storehouse shell that the water distribution storehouse has is cylindrical, and the diameter is 200 and gives 2500mm, and the material is the stainless steel.
The invention has the beneficial effects that:
1. the system provided by the invention divides the purification system into 6 independent purification areas by utilizing the partition plates, and each independent purification area operates independently and without mutual influence, thereby providing conditions for each independent purification area to sequentially realize the functions of sequencing batch type sewage interception and periodic cleaning.
2. The invention innovatively utilizes a rotary cylinder type bidirectional flow pipeline system to realize synchronous water inlet and outlet, utilizes a periodic rotation mode to realize sequencing batch type work among all the purification units, and simultaneously realizes the continuous sewage interception function and the synchronous cleaning function of the whole system.
3. The system provided by the invention realizes uninterrupted work of the system by utilizing a synchronous water inlet and outlet pipeline system; the hydrogel is innovatively used for treating the high-salinity wastewater, the advantages of large adsorption capacity, light weight and the like of the hydrogel are fully exerted, the high-salinity wastewater treatment effect can be effectively improved, and the operation cost is reduced.
4. The system provided by the invention realizes the sequencing batch work of each independent purification area by using the mode that the motor drives the rotating shaft to further drive each independent purification area in the purification system to rotate at regular time, innovatively realizes the sequencing work among the purification units, can achieve the effects of turning and cleaning the filler, is convenient for the cleaning of the filler, and greatly improves the operation life of the system.
5. The system provided by the invention has obvious treatment effect on high-salinity wastewater: the 6 independent purification areas work in sequence, so that the whole system realizes continuous and synchronous sewage interception and cleaning functions, the processing complexity, the operation cost and the labor input are reduced, and the industrial application prospect is achieved.
6. The system provided by the invention has good compatibility and adjustable length-width ratio, and can be installed in parallel, series and other modes according to the field condition.
7. The system provided by the invention is easy to popularize, low in construction cost and convenient to maintain, and is beneficial to large-scale popularization and application; and the method has certain social significance, and lays a certain foundation for resource utilization of inorganic salt and water resources in the high-salinity wastewater.
8. In the aspect of market development, the high-salinity wastewater has important social, environmental and ecological significance as a major environmental protection problem in industrial development and wastewater treatment, and has wide market prospect. The invention is used as a new technology for treating high-salinity wastewater, is necessary for ecological environment treatment, and therefore belongs to the field of the need of the treatment;
in the aspect of engineering construction, the rotary drum type bidirectional flow purification system for high-salinity wastewater provided by the invention has strong applicability, can be used for high-salinity wastewater of different types, and further can be applied to upgrading and reconstruction of the existing industrial park, so that the problem of environmental pollution caused by substandard discharge of the high-salinity wastewater can be avoided, and the rotary drum type bidirectional flow purification system has good engineering application value.
In the aspect of professional development, high-salinity wastewater treatment is taken as a hot spot and a difficult point in the field of water treatment, the technical problem can be solved by a new material and a new process, the vacancy of professional technology in related fields can be effectively made up, and professional development is forcefully promoted.
Drawings
The invention will be described in more detail hereinafter on the basis of embodiments and with reference to the accompanying drawings. Wherein:
FIG. 1 is a front view of a drum-type bi-directional flow purification system for high salinity wastewater provided by the present invention;
FIG. 2 is a side view of a drum-type bi-directional flow purification system for high salinity wastewater provided by the present invention;
FIG. 3 is a detailed view of the piping system in the drum-type bi-directional flow purification system for high salinity wastewater provided by the present invention;
FIG. 4 is a side view of the water inlet distributor and the water cleaning distributor in the system of the present invention;
FIG. 5 is a front view of the drum-type bi-directional flow purification system for high salinity wastewater of the present invention during operation at step S4;
FIG. 6 is a front view of the drum-type bi-directional flow purification system for high salinity wastewater of the present invention in operation at step S51;
fig. 7 is a front view of the drum-type bi-directional flow purification system for high-salinity wastewater according to the present invention in the state of step S52 during operation.
In the figure:
1-a purification system; 11-a partition plate; 12-a purification zone; 121-a first separate purification zone; 122-a second independent purification zone; 123-a third independent purification zone; 124-a fourth independent purification zone; 125-a fifth independent purification zone; 126-a sixth separate purification zone; 13-water distribution bin; 131-water distribution bin shell; 132-water distribution holes of the water distribution bin; 14-a rotating shaft; 15-fixing the bracket; 16-a water storage tank; 161-washing water outlet area; 162-purified water outlet zone; 17-a filter screen; 18-an electric motor;
2-a tubular cleaning system; 20-water inlet pipe; 201-water inlet check valve; 21-water inlet and distribution pipe; 211-water inlet and distribution holes; 212 water inlet and distribution baffle; 22-a cleaning water distribution pipe; 220-purge water check valve; 221-cleaning water distribution holes; 222-a washing water distribution baffle; 223-cleaning water inlet pipe; 23-a water outlet pipe; 231-a cleaning water outlet pipe; 232-purified water outlet pipe; 24-water distribution boundary plate.
Detailed description of the preferred embodiments
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
As shown in figure 1, the rotary drum type bidirectional flow purification system for high-salinity wastewater in the invention is wastewater with the mass fraction concentration of total salt of 1-5%, and comprises a purification system 1 and a pipeline system 2 nested in the purification system 1;
the purification system 1 comprises 6 partition plates 11, a purification area 12 with a hollow cylindrical structure, a cylindrical water distribution bin 13 positioned at the axis of the purification area 12, a rotating shaft 14 fixedly connected with the 6 partition plates 11, a motor 18 driving the rotating shaft 14 to rotate, a fixed support 15 fixedly connected with the motor 18 and used for supporting the system, and a water storage tank 16 arranged at the lower part of the purification area 12;
as shown in fig. 2, 6 partition plates 11 are uniformly distributed in the purification area 12 of the purification system 1, and axially and uniformly divide the purification area 12 into 6 fan-shaped independent purification areas: a first independent purification zone 121, a second independent purification zone 122, a third independent purification zone 123, a fourth independent purification zone 124, a fifth independent purification zone 125, and a sixth independent purification zone 126; hydrogel materials with water purification effect are filled in the 6 independent purification areas 121-126, and the hydrogel materials are hydrogel with good adsorption performance under the slope of high-salt environment;
the axes of the purification area 12, the water distribution bin 13 and the rotating shaft 14 are overlapped to form a central shaft;
the pipeline system 2 comprises a water inlet pipe 20, a water inlet distribution pipe 21 connected with the water inlet pipe 20, a cleaning water distribution pipe 22, a cleaning water inlet pipe 223 used for conveying water for the cleaning water distribution pipe 22 and connected with the cleaning water distribution pipe, a water distribution interface plate 24 and a row of water outlet pipes 23 which are arranged in sequence along the axial direction of each independent purification area of the purification system 1;
the water inlet distribution pipe 21 and the cleaning water distribution pipe 22 are arranged in the cylindrical water distribution bin 13 and have opposite water inlet directions in the axial direction, and the water distribution interface plate 24 separates the water inlet distribution pipe 21 and the cleaning water distribution pipe 22 in the radial vertical direction of the water distribution bin 13; the water inlet distribution pipe 21 and the cleaning water distribution pipe 22 are tangent to the inner wall of the water distribution bin 13;
the water inlet distribution pipe 21 is provided with a row of water inlet distribution holes 211 which are arranged vertically and upwards in sequence in the axial direction, and the water inlet distribution holes 211 face the first independent purification area 121; the washing water distributing pipe 22 has washing water distributing holes 221 arranged in sequence facing a vertically downward row in a circumferential direction.
As shown in fig. 1, the water distribution bin 13 includes a water distribution bin outer shell 131 and at least one row of water distribution bin water distribution holes 132 arranged on the surface of the water distribution bin outer shell 131 in the axial direction, facing the first independent purification area 121 and arranged in sequence, the diameter of the water distribution bin 13 is 100mm, as shown in fig. 5, the water distribution holes 132 of the water distribution bin correspond to the water inlet and distribution holes 211 one by one at the circle center;
preferably, the number of rows of the water distribution holes 132 of the water distribution bins, which are sequentially arranged on the surface of the shell 131 of the water distribution bin in the axial direction, is 6, and the water distribution holes 132 of the 6-arrangement water bins are uniformly distributed along the circumference of the cross section of the water distribution bin 13 in the circumferential direction.
As shown in figure 3, a filter screen 17 is arranged on the contact surface of the fan-shaped independent purification area and the water distribution bin 13, and the aperture of the filter screen 17 is 20% of the water distribution holes 132 of the water distribution bin.
The diameter of the water inlet and distribution holes 211 is 80% of the diameter of the corresponding water distribution holes 132 of the water distribution bin, and the diameter of the water inlet and distribution holes 132 of the water distribution bin is 2 mm. .
As shown in fig. 1, the water inlet pipe 20 is provided with a water inlet check valve 201, and the pipe diameter is 60% of the diameter of the water distribution bin 13; as shown in fig. 4, the water inlet distribution pipe 21 is provided with a water inlet distribution baffle 212, and the water inlet distribution baffle 212 is distributed on the pipe wall of the water inlet distribution pipe 21, so that the water flowing out of the water inlet distribution pipe 21 enters the purification area 12 and does not flow into the water distribution chamber 13.
The cleaning water inlet pipe 223 is provided with a cleaning water check valve 220 for controlling whether the cleaning water inlet pipe 223 is water inlet or not, and the pipe diameter of the cleaning water inlet pipe 223 is 20% of the diameter of the water distribution bin 13. A washing water distribution baffle 222 is arranged on the washing water distribution pipe 22; the wash water distribution baffle 222 is distributed on the wall of the wash water distribution pipe 21 so that the water from the wash water distribution pipe 21 enters the purification area 12 and does not flow into the water distribution chamber 13.
The water inlet pipe 20 is made of PP-R; the material of the cleaning water inlet pipe 223 is PP-R and stainless steel.
As shown in fig. 1, each row of water outlet pipes has 7 water outlet pipes in the axial direction of the independent purification area, are distributed outside the purification system 1, and all contain timing electromagnetic valves; 3 water inlet pipes 231 are arranged at the water inlet side of the water inlet distribution pipe 21, namely at the left side of the water inlet distribution pipe 21; the number of the water inlet side of the cleaning water distribution pipe 22, that is, the right side of the cleaning water distribution pipe is 4, which is the purified water outlet pipe 232.
The water storage tank 16 is divided into a washing water outlet area 161 located on the left side and a purified water outlet area 162 located on the right side, the washing water outlet area 161 is for receiving the outlet water of the washing water outlet pipe 231, and the purified water outlet area 162 is for receiving the outlet water of the purified water outlet pipe 232.
The thickness of the shell of the fan-shaped independent purification area is 300mm, and the filling rate of the built-in hydrogel material is 60%; the partition plate 11 and the water distribution bin 13 are connected by welding and are subjected to waterproof treatment; the partition plate 11 is made of stainless steel; the water distribution chamber shell 131 of the water distribution chamber 13 is cylindrical, has a diameter of 200mm and is made of stainless steel.
The working principle of the rotary drum type bidirectional flow purification system for high-salinity wastewater provided by the invention is as follows:
s1: the high-salinity wastewater enters the water inlet and distribution pipe 21 through the water inlet pipe 20 of the pipeline system 2, enters the purification system 1 through the water inlet and distribution pipe 21 which is provided with at least one row of water inlet and distribution holes 211 which are vertically upward and sequentially arranged in the axial direction, and the control system starts to time;
hydrogel filler for adsorbing and removing high-salinity wastewater is filled in the purification system 1;
s2: after the high salinity wastewater fills the first independent purification area 121 in the purification system 1, the control system records the time T required for filling;
s3: the rotating shaft 14 in the purification system 1 is driven by the motor 18 to rotate, the first independent purification area 121 in the purification system rotates 60 degrees and enters the position of the second independent purification area 122, and the second independent purification area 122 to the sixth independent purification area 126 rotate 60 degrees at the same time;
s4: the control system enters the water inlet and distribution pipe 21 again through the water inlet pipe 20 of the pipeline system 2, and enters the independent purification area of the original position of the first independent purification area 121 in the purification system 1 again through the water inlet and distribution pipe 21;
s5: after repeating the step S3 for three times, the control system opens the water outlet pipe 23 to discharge the high-salinity wastewater in the first independent purification area 121, and cleans the first independent purification area 121 through the cleaning water inlet pipe 223 of the pipeline system 2;
the method specifically comprises the following steps: as shown in fig. 6, after repeating step S3 three times, the three fan-shaped independent purification areas in the purification system 1 are completely filled with high-salt wastewater, at this time, the first independent purification area 121 has rotated 180 ° and fully adsorbs and removes the pollutants in the high-salt wastewater by using the hydrogel filler therein, at this time, the control system controls the purified water outlet pipe 232 in the water outlet pipe 23 to open, the outlet water flows into the purified water outlet area 162 in the water storage tank 16, when the outlet time of the purified water outlet pipe 232 is 0.6T, the electromagnetic valve controlling the purified water outlet pipe 232 to open is closed, and the next opening time is set to be 5.4T after the purified water outlet pipe 232 is closed;
as shown in fig. 7, after the purified water outlet pipe 232 stops discharging and is closed, the cleaning water inlet pipe 223 starts to feed water, and starts to fill water for cleaning in the first independent cleaning area 121, the water inlet time of the cleaning water inlet pipe 223 for cleaning the independent cleaning area is 0.3T to 0.4T, after the water filling and cleaning is completed, the control system opens the cleaning water outlet pipe 231, the cleaning water outlet flows into the cleaning water outlet area 161 in the water storage tank 16, and the cleaning water outlet is closed after the running time is 0.4T;
s6: the steps S3-S5 are repeated to complete the uninterrupted removal of the contaminants in the high-salinity wastewater, that is, after the first independent purification area 121 is cleaned, the step S3 is repeated, and then the steps S51-S53 are repeated again, and the high-salinity wastewater in the next independent purification area facing the water inlet and distribution holes 211 of the purification system 1 is filled and the wastewater in the next independent purification area facing the cleaning water distribution holes 221 is discharged and cleaned.
The rotating shaft 14 in the purification system 1 is rotated by the motor 18 to rotate clockwise or counterclockwise.
The system provided by the invention consists of a purification system 2 and a pipeline system 2 nested in the purification system 2, wherein the purification area is of a hollow cylindrical structure and is divided into 6 independent purification areas by a partition plate, namely a first independent purification area 121 to a sixth independent purification area 126, specifically, the partition plate 11, a filter screen 17 and the shell of the purification area jointly form a closed fan-shaped prism-like structure, hydrogel materials with water purification effect are filled in the independent purification area with each fan-shaped section,
the hollow part inside the purification system 1 is a water distribution bin 13, which is provided with a water inlet distribution pipe 21 and a cleaning water distribution pipe 22 which are arranged in a tangent way and the water inlet directions of which are opposite to each other, and is divided up and down by a water distribution boundary plate 24, preferably, the diameter of the water inlet distribution pipe 21 is larger than that of the cleaning water distribution pipe 22. Wastewater entering the system from the water inlet pipe 20 sequentially passes through the water inlet and distribution holes 211 on the water inlet and distribution pipe 21 and the water distribution holes 132 on the water distribution bin 13 to realize sequential continuous water supply for each independent purification area. The cleaning water entering the system from the cleaning water distribution pipe 22 sequentially passes through the cleaning water distribution holes on the cleaning water distribution pipe and the water distribution holes of the water distribution bin on the water distribution bin, so that each independent purification area is sequentially and continuously cleaned. Each independent purification area is fixedly connected with the water distribution bin 13, the control system is used for periodically rotating 60 degrees each time, and the water inlet distribution pipe 21 and the water cleaning distribution pipe 22 do not rotate along with the system, so that the continuous treatment of wastewater and the continuous cleaning of the system are realized. The invention can realize the repeated and repeated utilization of the adsorbent while realizing the treatment of heavy metal in high-salt water, and has the remarkable gains of strong stability, simple and convenient maintenance, long service life and the like.
Example 2
The difference between this embodiment and embodiment 1 is that in the drum-type bi-directional flow purification system for high-salinity wastewater adopted in this embodiment, the diameter of the water distribution bin 13 is 225mm, the aperture of the filter 17 is 50% of the water distribution holes 132 of the water distribution bin, the diameter of the water inlet and distribution holes 211 is 85% of the diameter of the corresponding water distribution holes 132 of the water distribution bin, and the diameter of the water inlet and distribution holes 132 of the water inlet bin is 4 mm.
The water inlet pipe 20 is provided with a water inlet check valve 201, the pipe diameter of the water inlet pipe 20 is 70% of the diameter of the water distribution bin 13, and the water inlet pipe 20 is made of plastic-lined steel; the cleaning water inlet pipe 223 is made of stainless steel. The diameter of the cleaning water inlet pipe 223 is 25% of the diameter of the water distribution bin 13.
The thickness of the hydrogel filler in the fan-shaped independent purification area is 550mm, and the filling rate of the built-in hydrogel material is 75%; the diameter of the water distribution bin shell 131 is 1350 mm.
Example 3
The difference between this embodiment and embodiment 1 is that in the drum-type bi-directional flow purification system for high-salinity wastewater adopted in this embodiment, the diameter of the water distribution bin 13 is 350mm, the aperture of the filter 17 is 75% of the water distribution holes 132 of the water distribution bin, the diameter of the water inlet and distribution holes 211 is 90% of the diameter of the water distribution holes 132 of the water distribution bin corresponding thereto, and the diameter of the water inlet and distribution holes 132 of the water inlet bin is 6 mm.
The water inlet pipe 20 is provided with a water inlet check valve 201, and the pipe diameter of the water inlet pipe 20 is 80% of the diameter of the water distribution bin 13. The water inlet pipe 20 is made of PVC-U; the material of the cleaning water inlet pipe 223 is PVC-U. The diameter of the cleaning water inlet pipe 223 is 30% of the diameter of the water distribution bin 13.
The thickness of the hydrogel filler in the fan-shaped independent purification area is 800mm, and the filling rate of the built-in hydrogel material is 90%; the diameter of the water distribution bin shell 131 is 2500 mm.
All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the descriptions in this application as referring to "first", "second", etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present application.
Next, in the embodiments of the present application, all directional indicators such as up, down, left, right, front, and back are used only to explain the relative positional relationship between the components, the movement, and the like in a specific posture as shown in the drawings, and if the specific posture is changed, the directional indicator is changed accordingly, and the connection may be a direct connection or an indirect connection.
While the invention has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. It is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (10)
1. A drum-type bi-directional flow purification system for high salinity wastewater, characterized in that the system comprises a purification system (1) and a pipe system (2) nested in the purification system (1);
the purification system (1) comprises 6 partition plates (11), a purification area (12) with a hollow cylindrical structure, a cylindrical water distribution bin (13) positioned at the axis of the purification area (12), a rotating shaft (14) fixedly connected with the 6 partition plates (11), a motor (18) driving the rotating shaft (14) to rotate, a fixed support (15) fixedly connected with the motor (18) and used for supporting the system, and a water storage tank (16) arranged at the lower part of the purification area (12);
6 division board (11) evenly distributed in clean area (12) of clean system (1), will clean area (12) axial evenly separated is 6 fan-shaped independent clean areas: a first independent purification zone (121), a second independent purification zone (122), a third independent purification zone (123), a fourth independent purification zone (124), a fifth independent purification zone (125) and a sixth independent purification zone (126); hydrogel materials with water purification effect are filled in the 6 independent purification areas;
the axes of the purification area (12), the water distribution bin (13) and the rotating shaft (14) are overlapped to form a central shaft;
the pipeline system (2) comprises a water inlet pipe (20), a water inlet distribution pipe (21) connected with the water inlet pipe (20), a cleaning water distribution pipe (22), a cleaning water inlet pipe (223) used for conveying water for the cleaning water distribution pipe (22) and connected with the cleaning water distribution pipe, a water distribution interface plate (24) and a row of water outlet pipes (23) which are arranged in sequence along the axial direction of each independent purification area of the purification system (1);
the water inlet distribution pipe (21) and the cleaning water distribution pipe (22) are arranged in the cylindrical water distribution bin (13) and have opposite water inlet directions in the axial direction, and the water distribution interface plate (24) separates the water inlet distribution pipe (21) and the cleaning water distribution pipe (22) in the radial vertical direction of the water distribution bin (13); the water inlet distribution pipe (21) and the cleaning water distribution pipe (22) are tangent to the inner wall of the water distribution bin (13);
the water inlet distribution pipe (21) is provided with a row of water inlet distribution holes (211) which are vertically arranged upwards in sequence in the axial direction, and the water inlet distribution holes (211) face to the first independent purification area (121); the washing water distributing pipe (22) is provided with a row of washing water distributing holes (221) which are arranged in sequence and face vertically downwards in the axial direction.
2. The rotary drum type bi-directional flow purification system for high salinity wastewater according to claim 1, wherein the diameter of the water distribution bin (13) is 100-350mm, the water distribution bin (13) comprises a water distribution bin shell (131) and water distribution bin water distribution holes (132) which are arranged on the surface of the water distribution bin shell (131) vertically upwards in the axial direction and at least one row of which faces the first independent purification area (121) and are arranged in sequence, and the circle centers of the water inlet and distribution holes (211) correspond to the circle centers of the water distribution bin water distribution holes (132) in the first independent purification area (121) one by one;
a filter screen (17) is placed on the contact surface of the fan-shaped independent purification area and the water distribution bin (13), and the aperture of the filter screen (17) is 20-75% of the water distribution holes (132) of the water distribution bin.
3. The rotary drum type bi-directional flow purification system for high salinity wastewater according to claim 1, characterized in that the diameter of the water inlet distribution holes (211) is 80-90% of the diameter of the corresponding distribution holes (132) of the distribution bin. The diameter of the water distribution hole (132) of the water inlet bin is 2-6 mm.
4. A rotary drum type bidirectional flow purification system for high salinity wastewater according to claim 1, characterized in that the water inlet pipe (20) is provided with a water inlet check valve (201), and the pipe diameter of the water inlet pipe (20) is 60-80% of the diameter of the water distribution bin (13); the water inlet and distribution pipe (21) is provided with a water inlet and distribution baffle (212), and the water inlet and distribution baffle (212) is distributed on the pipe wall of the water inlet and distribution pipe (21), so that water flowing out of the water inlet and distribution pipe (21) enters the purification area (12) and does not flow into the water distribution bin (13).
5. The rotary drum type bi-directional flow purification system for high salinity wastewater according to claim 2, characterized in that the number of rows of the water distribution holes (132) of the water distribution chamber arranged in sequence on the surface of the water distribution chamber housing (131) in the axial direction is 6, and the 6 rows of water distribution holes (132) of the water distribution chamber are evenly distributed along the circumference of the cross section of the water distribution chamber (13).
6. The rotary drum type bi-directional flow purification system for high salinity wastewater according to claim 1, wherein the cleaning water inlet pipe (223) is provided with a cleaning water check valve (220) for controlling whether the cleaning water inlet pipe (223) is filled with water or not, and the diameter of the cleaning water inlet pipe (223) is 20-30% of the diameter of the water distribution chamber (13).
7. The rotary drum type bi-directional flow purification system for high salinity wastewater according to claim 1, characterized in that the wash water distribution pipe (22) is provided with a wash water distribution baffle (222); the cleaning water distribution baffles (222) are distributed on the pipe wall of the cleaning water distribution pipe (21), so that water flowing out of the cleaning water distribution pipe (21) enters the purification area (12) and does not flow into the water distribution bin (13).
8. A two-way flow purification system of the rotary drum type for high salinity wastewater according to claim 1, characterized in that each row of said outlet pipes (23) has a number of 7 in the axial direction of the independent purification zone, distributed outside said purification system (1), containing timing solenoid valves; the water outlet pipe (23) comprises a cleaning water outlet pipe (231) positioned on the water inlet side of the water inlet distribution pipe (21) and a purified water outlet pipe (232) positioned on the water inlet side of the cleaning water distribution pipe (22), the number of the cleaning water outlet pipes (231) is 3, and the number of the purified water outlet pipes (232) is 4.
9. A drum type bi-directional flow purification system for high salinity wastewater according to claim 8, characterized in that the water storage tank (16) is divided into a washing water outlet area (161) at the left side and a purified water outlet area (162) at the right side, the washing water outlet area (161) is used for receiving the outlet water of the washing water outlet pipe (231), and the purified water outlet area (162) is used for receiving the outlet water of the purified water outlet pipe (232).
10. The rotary drum type bi-directional flow purification system for high salinity wastewater as claimed in claim 1, wherein the thickness of the hydrogel filler in the fan-shaped independent purification area is 300-800mm, and the filling rate of the built-in hydrogel material is 60% -90%; the partition plate (11) and the water distribution bin (13) are connected in a welding mode and are subjected to waterproof treatment; the partition plate (11) is made of stainless steel; the water distribution bin shell (131) of the water distribution bin (13) is cylindrical, the diameter of the water distribution bin shell is 200-2500mm, and the water distribution bin shell is made of stainless steel.
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| CN116514251A (en) * | 2023-07-05 | 2023-08-01 | 山东法恩新材料科技有限公司 | Wastewater treatment device and method for producing rubber accelerator |
| CN116531802A (en) * | 2023-05-17 | 2023-08-04 | 甘肃省农业科学院农产品贮藏加工研究所 | Cistanche deserticola polysaccharide obtaining and purifying equipment and method |
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Application publication date: 20210928 |