CN113754052A - Water treatment device and method - Google Patents
Water treatment device and method Download PDFInfo
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- CN113754052A CN113754052A CN202110182181.4A CN202110182181A CN113754052A CN 113754052 A CN113754052 A CN 113754052A CN 202110182181 A CN202110182181 A CN 202110182181A CN 113754052 A CN113754052 A CN 113754052A
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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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
- C02F3/2826—Anaerobic digestion processes using anaerobic filters
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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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
- C02F3/286—Anaerobic digestion processes including two or more steps
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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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
- C02F3/2866—Particular arrangements for anaerobic reactors
- C02F3/2873—Particular arrangements for anaerobic reactors with internal draft tube circulation
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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
- C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
- C02F2203/006—Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
Abstract
The invention relates to the field of water treatment, and relates to a water treatment device and method. The water treatment device comprises a first barrel, wherein a first reaction part is arranged in the first barrel, and a water inlet is formed in the first barrel; the second barrel is arranged in the first barrel, a second reaction part is arranged in the second barrel, and a water outlet and a dripping hole communicated with the first barrel are also arranged on the second barrel; and the circulating assembly is arranged in the first barrel so as to introduce the sewage in the first barrel into the second barrel. When the water treatment device is actually used, sewage is led into the first cylinder and then reacts with the first reaction part to primarily purify the sewage; then, through the circulation of the circulating assembly, the sewage after the primary reaction in the first cylinder is guided into the second cylinder for secondary reaction; and then the sewage permeates into the first cylinder body through the dripping hole to be purified again and form circulation, so that multiple circulation reaction of the sewage can be formed. The treatment requirements of different water quantities are met, the structure is simple, and the energy consumption is low.
Description
Technical Field
The invention relates to the field of water treatment, in particular to a water treatment device and a water treatment method.
Background
The rural sewage treatment problem is concerned, but the technical route has not been broken through greatly, and the concept of urban sewage treatment is still mostly used, so that the method is not suitable for villages and peasant households which are relatively dispersed. In such areas, domestic sewage is small in water quantity and strong in timeliness, continuous flow cannot be formed, and the cost for building a complete sewage pipe network system is high and the feasibility is low, so that the research on suitable distributed household sewage treatment technology and integrated equipment is urgently needed. However, the traditional sewage treatment technologies such as anaerobic-anoxic-aerobic (AAO) and Membrane Biological Reaction (MBR) cannot cope with severe water fluctuation within one day, and the operation and maintenance management is complex, the investment and operation cost is high, and the normal and efficient operation of the sewage treatment technologies in rural areas is restricted.
According to regional conditions, treatment scale, discharge direction and the like, a rural domestic sewage treatment and discharge standard with regional classification and wide and strict economy is established, wherein the requirements on treatment facilities for distributed households with daily treatment capacity of less than 5 tons/day mainly aim at eliminating black and odorous substances, mainly remove organic substances and ammonia nitrogen, and remove nitrogen and phosphorus according to specific conditions. The characteristics of small population density, large environmental capacity, strong pollutant absorption capacity and the like in rural areas need to be fully considered, rural domestic sewage is treated in a low-cost, simple-process and easy-to-maintain manner, and the corresponding discharge standard is achieved.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a water treatment device which is simple in structure and strong in water quantity adaptability.
The invention also provides a water treatment method.
According to an embodiment of the first aspect of the present invention, there is provided a water treatment apparatus including:
the device comprises a first barrel, a second barrel and a third barrel, wherein a first reaction part is arranged in the first barrel, and a water inlet is formed in the first barrel;
the second barrel is arranged in the first barrel, a second reaction part is arranged in the second barrel, and a water outlet and a dripping hole communicated with the first barrel are also formed in the second barrel;
and the circulating assembly is arranged in the first cylinder body so as to introduce the sewage in the first cylinder body into the second cylinder body.
According to the water treatment device of the embodiment of the first aspect of the invention, in practical use, after sewage is introduced into the first cylinder, the sewage is firstly reacted with the first reaction part to perform primary purification on the sewage; then, through the circulation of the circulating assembly, the sewage after the primary reaction in the first cylinder is guided into the second cylinder for secondary reaction; and then the sewage permeates into the first cylinder body through the dripping hole to be purified again and form circulation, so that multiple circulation reaction of the sewage can be formed. The sewage treatment system can meet the treatment requirements of different water amounts, saves the construction of a complete sewage pipe network system, reduces the cost for sewage treatment, and has simple structure and low energy consumption. When the water quantity is larger, the circulation capacity of the circulation component can be improved; when the water quantity is smaller, the circulating capacity of the circulating assembly can be properly reduced, so that the treatment requirements of different water quantities can be met. Moreover, for the distributed farmers, the system can be pertinently arranged around the distributed farmers, so that the construction of a complete sewage pipe network system is omitted, and the cost for sewage treatment is reduced. And the water treatment device also has the advantages of simple structure, low energy consumption and the like.
According to an embodiment of the present invention, the first reaction part includes:
the lower frame is located in the first barrel, an accommodating space is formed in the middle of the lower frame, and solid fillers are filled in the lower frame.
According to an embodiment of the present invention, the second reaction part includes:
and the inner ring is arranged in the second cylinder, and a reaction space formed by enclosing the inner ring and the side wall of the second cylinder is filled with the solid filler.
According to one embodiment of the invention, the circulation assembly comprises:
the circulating pump is arranged in the accommodating space;
the first end of the pipeline is connected with the circulating pump, and the second end of the pipeline penetrates out of the inner ring along the axial direction of the inner ring and is provided with a water distributor;
and a porous plate is arranged between the side wall of the second cylinder and the inner ring.
According to one embodiment of the invention, the dripping hole is formed in the bottom of the second cylinder, and a guide plate is arranged on the lower frame at a position corresponding to the dripping hole.
According to one embodiment of the invention, a baffle for preventing the solid filler from overflowing is arranged at the position of the water outlet.
According to one embodiment of the invention, the top of the first cylinder is provided with a first liquid level sensor; a second liquid level sensor is arranged at the bottom of the first cylinder;
the water treatment device further comprises:
the control assembly controls the water inflow of the water inlet or the circulating pump based on signals of the first liquid level sensor and/or the second liquid level sensor.
According to an embodiment of the present invention, further comprising:
the filtering part is connected to the upstream end of the water inlet;
and the perforated plate is arranged at the water outlet.
The embodiment of the second aspect of the invention provides a water treatment method, which is realized on the basis of the water treatment device;
the water treatment method comprises the following steps:
injecting sewage into the first cylinder through the water inlet to primarily react with the sewage through the first reaction part;
pumping the sewage into the second cylinder through the circulating assembly so as to perform secondary reaction with the sewage through the second reaction part;
and the sewage flowing into the first cylinder through the dripping hole is pumped into the second cylinder through the circulating assembly for the second time to form circulation.
According to the water treatment method provided by the embodiment of the second aspect of the invention, after the sewage is introduced into the first cylinder, the sewage is firstly reacted with the first reaction part to perform primary purification on the sewage; then, through the circulation of the circulating assembly, the sewage after the primary reaction in the first cylinder is guided into the second cylinder for secondary reaction; and then the sewage permeates into the first cylinder body through the dripping hole to be purified again and form circulation, so that multiple circulation reaction of the sewage can be formed. The sewage treatment system can meet the treatment requirements of different water amounts, saves the construction of a complete sewage pipe network system, reduces the cost for sewage treatment, and has simple structure and low energy consumption. Moreover, the water treatment method also has the advantages of strong operability, convenient maintenance and management and the like.
According to one embodiment of the invention, the water treatment process is run for at least one cycle, at least one of said cycles comprising at least 10 cycles.
One or more technical solutions in the embodiments of the present invention have at least one of the following technical effects:
according to the water treatment device of the embodiment of the first aspect of the invention, in practical use, after sewage is introduced into the first cylinder, the sewage is firstly reacted with the first reaction part to perform primary purification on the sewage; then, through the circulation of the circulating assembly, the sewage after the primary reaction in the first cylinder is guided into the second cylinder for secondary reaction; and then the sewage permeates into the first cylinder body through the dripping hole to be purified again and form circulation, so that multiple circulation reaction of the sewage can be formed. The sewage treatment system can meet the treatment requirements of different water amounts, saves the construction of a complete sewage pipe network system, reduces the cost for sewage treatment, and has simple structure and low energy consumption. When the water quantity is larger, the circulation capacity of the circulation component can be improved; when the water quantity is smaller, the circulating capacity of the circulating assembly can be properly reduced, so that the treatment requirements of different water quantities can be met. Moreover, for the distributed farmers, the system can be pertinently arranged around the distributed farmers, so that the construction of a complete sewage pipe network system is omitted, and the cost for sewage treatment is reduced. And the water treatment device also has the advantages of simple structure, low energy consumption and the like.
Further, according to the water treatment method of the embodiment of the second aspect of the present invention, which is realized by the water treatment apparatus provided by the embodiment of the first aspect of the present invention, after the sewage is introduced into the first cylinder, the sewage is firstly reacted with the first reaction part to perform primary purification on the sewage; then, through the circulation of the circulating assembly, the sewage after the primary reaction in the first cylinder is guided into the second cylinder for secondary reaction; and then the sewage permeates into the first cylinder body through the dripping hole to be purified again and form circulation, so that multiple circulation reaction of the sewage can be formed. The sewage treatment system can meet the treatment requirements of different water amounts, saves the construction of a complete sewage pipe network system, reduces the cost for sewage treatment, and has simple structure and low energy consumption. Moreover, the water treatment method also has the advantages of strong operability, convenient maintenance and management and the like.
Drawings
FIG. 1 is a schematic structural view of a water treatment apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic flow chart of a water treatment method according to an embodiment of the present invention.
The reference numbers illustrate:
100. a first cylinder; 102. a first reaction section; 104. a water inlet; 106. a second cylinder; 108. a second reaction section; 110. a water outlet; 112. dripping holes; 114. a lower frame; 116. an accommodating space; 118. a solid filler; 120. an inner ring; 122. a circulation pump; 124. a pipeline; 126. a water distributor; 128. a partition plate; 130. a baffle; 132. a hood; 134. a cover body.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some embodiments of the present invention, but not all 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.
In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. Specific meanings of the above terms in the embodiments of the present invention can be understood in specific cases by those of ordinary skill in the art.
In embodiments of the invention, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of an embodiment of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
As shown in fig. 1, a water treatment device provided in an embodiment according to a first aspect of the present invention includes a first cylinder 100, a first reaction portion 102 is disposed in the first cylinder 100, and a water inlet 104 is disposed on the first cylinder 100; a second cylinder 106, which is arranged in the first cylinder 100, wherein a second reaction part 108 is arranged in the second cylinder 106, and the second cylinder 106 is also provided with a water outlet 110 and a water permeable hole dripping hole 112 communicated with the first cylinder 100; and a circulation assembly provided in the first cylinder 100 to introduce the contaminated water in the first cylinder 100 into the second cylinder 106.
According to the water treatment device of the embodiment of the first aspect of the present invention, in practical use, after the sewage is introduced into the first cylinder 100, the sewage is firstly reacted with the first reaction part 102 to perform primary purification on the sewage; then, by the circulation of the circulation component, the sewage after the first reaction in the first cylinder 100 is introduced into the second cylinder 106 for a second reaction; and then permeates into the first cylinder 100 through the dripping holes 112 to be purified again and form a circulation, so that a plurality of circulation reactions to the sewage can be formed. The sewage treatment system can meet the treatment requirements of different water amounts, saves the construction of a complete sewage pipe network system, reduces the cost for sewage treatment, and has simple structure and low energy consumption. When the water quantity is larger, the circulation capacity of the circulation component can be improved; when the water quantity is smaller, the circulating capacity of the circulating assembly can be properly reduced, so that the treatment requirements of different water quantities can be met. Moreover, for the distributed farmers, the system can be pertinently arranged around the distributed farmers, so that the construction of a complete sewage pipe network system is omitted, and the cost for sewage treatment is reduced. And the water treatment device also has the advantages of simple structure, low energy consumption and the like.
Specifically, referring to fig. 1, in the water treatment apparatus according to the embodiment of the present invention, the first cylinder 100 is cylindrical, and a space for containing contents and storing sewage is formed inside the first cylinder. A water inlet 104 is provided at a position near the top of the first cylinder 100, that is, external sewage may flow into the first cylinder 100 through the water inlet 104. In an embodiment of the present invention, the first cylinder 100 may be made of polypropylene plastic and have a thickness of 8 mm, and the inner diameter of the first cylinder 100 may be set to 1000 mm and a height of 1600 mm, so that the corresponding effective volume in the first cylinder 100 is 500 liters.
In addition, according to the actual use requirement, a cover 134 is further installed on the first cylinder 100, and a hood 132 is installed on the cover to balance the air pressure inside and outside the first cylinder 100. In addition, an air inlet hole may be provided on the cover 134 to allow external air to enter the inside of the first cylinder 100.
In order to ensure that the wastewater flowing into the first cylinder 100 can be primarily purified, a first reaction part 102 is further provided in the first cylinder 100. It should be noted that the first cylinder 100 can contain enough water, that is, the volume of the first cylinder 100 can contain at least the waste water generated by the user in one day.
Wherein, the first reaction part 102 includes a lower frame 114; the lower frame 114 is located in the first cylinder 100, an accommodating space 116 is formed in the middle of the lower frame 114, and solid filler 118 is filled in the lower frame 114, wherein the solid filler 118 may be polyurethane sponge filler. The outer diameter of the lower frame 114 may be set to 900 mm and the height 900 mm.
With continued reference to fig. 1, the lower frame 114 is installed in the first cylinder 100 to support the second cylinder 106, and the lower frame 114 may be made of a material that is rust-proof and corrosion-proof and has a certain structural strength, such as 304 stainless steel. An accommodating space 116 is formed in the middle of the lower frame 114 for accommodating the circulating assembly. The lower frame 114 is also filled with a solid filler 118. In order to ensure that the sewage entering the first cylinder 100 can react with the solid filler 118 in the lower frame 114, a wire mesh with a certain aperture is arranged on both the side wall and the bottom wall of the lower frame 114. Thus, the sewage entering the first cylinder 100 can permeate into the solid filler 118 in the lower frame 114 through the wire mesh, and the biofilm attached to the solid filler 118 plays a biochemical role to rapidly degrade COD (chemical oxygen demand) and ammonia nitrogen under the condition of micro-oxygen or oxygen deficiency, and simultaneously filter part of SS (suspended solids).
In the embodiment of the present invention, the second cylinder 106 is cylindrical and disposed in the first cylinder 100, and the outer diameter of the second cylinder 106 may be set to 900 mm and the height may be set to 650 mm, so that the corresponding effective volume in the second cylinder 106 is 250 liters. A water outlet 110 is provided near the top of the second cylinder 106, wherein the diameter of the water outlet 110 may be 100 mm. A second reaction portion 108 is also provided in the second cylinder 106.
Referring to fig. 1, a baffle 128 for preventing the solid packing 118 from overflowing is provided at the position of the water outlet 110. The baffle 128 can prevent not only the solid filler 118 from directly overflowing from the water outlet 110, but also untreated and purified sewage from directly flowing out through the water outlet 110.
The second reaction part 108 includes an inner ring 120, and is installed in the second cylinder 106, and a reaction space defined by the inner ring 120 and a sidewall of the second cylinder 106 is filled with a solid filler 118.
The inner ring 120 may be made of a plastic material, and a space defined between the inner ring 120 and the outer wall and the inner wall of the second cylinder 106 is filled with a solid filler 118. Among them, the solid filler 118 may use a polyurethane sponge filler. Thus, the sewage entering the second cylinder 106 can permeate into the solid filler 118 in the enclosed space, and the biological film attached to the solid filler 118 plays a biochemical role, rapidly degrades COD and ammonia nitrogen under the condition of micro-oxygen or oxygen deficiency, and filters out part of SS.
In order to realize the function of sewage circulation, a dripping hole 112 communicated with the first cylinder 100 is further arranged at the bottom of the second cylinder 106. That is, after the sewage in the first cylinder 100 is primarily reacted, the sewage can be circulated to the second cylinder 106 through the circulation component, after the sewage enters the second cylinder 106, the sewage can react with the solid filler 118 in the enclosed space, and after the sewage is reacted, the sewage in the second cylinder 106 can flow back to the first cylinder 100 through the dripping hole 112. During the process of flowing into the first cylinder 100 from the second cylinder 106, drop aeration oxygenation occurs, and reacts again with the first reaction part 102 in the first cylinder 100 to further purify the sewage.
According to an embodiment of the present invention, the dripping hole 112 is formed at the bottom of the second cylinder 106, and a baffle 130 is disposed on the lower frame 114 at a position corresponding to the dripping hole 112. By arranging the guide plate 130 at a position corresponding to the dripping hole 112 on the lower frame 114, the sewage dripped from the second cylinder 106 can be uniformly infiltrated into the first reaction part 102 in the first cylinder 100 through the guide of the guide plate 130.
The circulation assembly is disposed in the first cylinder 100 to pump the wastewater in the first cylinder 100 into the second cylinder 106, so that multiple treatment and purification of wastewater can be achieved through multiple circulations of the first reaction part 102, the circulation assembly, the second reaction part 108 and the first reaction part 102, that is, the water treatment apparatus provided by the embodiment of the invention can purify wastewater by using a biofilm process and a circulating reoxygenation technology until the purified water reaches the use standard.
In an embodiment of the present invention, the circulation assembly includes a circulation pump 122 and a conduit 124; wherein, the circulating pump 122 is disposed in the accommodating space 116; the first end of the pipe 124 is connected with the circulating pump 122, and the second end of the pipe 124 penetrates the inner ring 120 along the axial direction of the inner ring 120 and is provided with a water distributor 126.
Referring to fig. 1, a circulation pump 122 is disposed in the accommodating space 116, and a pipeline 124 is connected to the circulation pump 122, wherein a height of the pipeline 124 is at least greater than a height of the inner ring 120 in the second cylinder 106. That is, a first end of the pipe 124 is connected to the circulation pump 122, a second end of the pipe 124 extends upward along the axial direction of the inner ring 120 and is higher than the inner ring 120, and a water distributor 126 is further disposed at the second end of the pipe 124. By arranging the water distributor 126, the sewage in the first cylinder 100 can be uniformly distributed into the second cylinder 106, so that the reaction between the second reaction part 108 and the sewage is more uniform and comprehensive. The water distributor 126 includes, but is not limited to, a desulfurization nozzle, an ABS water distributor 126, and the like.
It should be noted that the water outlet 110 of the second cylinder 106 is formed by the difference between the flow rate of the water falling from the second cylinder 106 back into the first cylinder 100 and the flow rate of the water pumped into the second cylinder 106 by the circulation assembly. Specifically, if the flow rate of the water falling from the second cylinder 106 back into the first cylinder 100 is less than the flow rate of the water pumped into the second cylinder 106 by the circulation assembly, the water in the second cylinder 106 will gradually increase until the water level in the second cylinder 106 is higher than the height of the partition 128, and the water in the second cylinder 106 will eventually overflow from the water outlet 110; if the flow rate of the water falling back from the second cylinder 106 to the first cylinder 100 is greater than or equal to the flow rate of the water pumped into the second cylinder 106 by the circulating component, the water in the second cylinder 106 will not overflow all the time, and the circulating reaction purification is performed between the first cylinder 100 and the second cylinder 106 all the time. It is understood that in the embodiment of the present invention, the water outlet time and the water outlet amount can be controlled by the flow amount or the on time of the circulation pump 122. Therefore, the purpose of discharging water at any time and discharging water for a plurality of times can be realized by controlling the circulating pump 122.
According to one embodiment of the invention, the solid packing 118 occupies at least 60% of the reaction space.
According to one embodiment of the present invention, the top of the first barrel 100 is provided with a first liquid level sensor; the bottom of the first cylinder 100 is provided with a second liquid level sensor; the water treatment apparatus further comprises a control assembly which controls the water inflow of the water inlet 104 or the circulation pump 122 based on signals of the first level sensor and/or the second level sensor.
The first liquid level sensor and the second liquid level sensor are respectively arranged at the top and the bottom of the first cylinder 100, so that the high and low liquid levels of the sewage in the first cylinder 100 can be respectively detected. Simultaneously, first level sensor and second level sensor can also send the liquid level signal to control assembly, and control assembly can select corresponding control mode based on the liquid level signal of first level sensor and second level sensor.
Specifically, when the liquid level in the first cylinder 100 is between the first liquid level sensor and the second liquid level sensor, the control component controls the circulation pump 122 to normally operate according to the time sequence control; otherwise, the control component controls the circulating pump 122 according to the liquid level signals of the first liquid level sensor and the second liquid level sensor.
According to an embodiment of the present invention, a filter part and a porous plate are further included, which are connected to an upstream end of the water inlet 104, and the porous plate is disposed at the water outlet 110.
In other words, the upstream end of the water inlet 104 is provided with a filter part for filtering out larger particles such as fruit shells in the inlet water, so as to avoid blocking the circulating pump 122 and the water permeable holes. For example, the filter section may be a small polyurethane sponge filler basket grid or the like.
Similarly, the porous plate disposed at the water outlet 110 can prevent the solid packing 118 from blocking the water outlet 110.
As shown in FIG. 2, the embodiment of the second aspect of the invention provides a water treatment method, which is realized on the basis of the water treatment device;
the water treatment method comprises the following steps:
s100, injecting sewage into the first cylinder 100 through the water inlet 104 to perform primary reaction with the sewage through the first reaction part 102;
s200, pumping the sewage into the second cylinder 106 through the circulating assembly so as to perform secondary reaction with the sewage through the second reaction part 108;
and S300, pumping the sewage flowing into the first cylinder 100 through the dripping hole 112 into the second cylinder 106 through the circulating assembly for the second time to form circulation.
According to the water treatment method of the embodiment of the second aspect of the invention, which is realized by the water treatment device provided by the embodiment of the first aspect of the invention, after the sewage is introduced into the first cylinder 100, the sewage is firstly reacted with the first reaction part 102 to perform primary purification on the sewage; then, by the circulation of the circulation component, the sewage after the first reaction in the first cylinder 100 is introduced into the second cylinder 106 for a second reaction; and then permeates into the first cylinder 100 through the dripping holes 112 to be purified again and form a circulation, so that a plurality of circulation reactions to the sewage can be formed. The sewage treatment system can meet the treatment requirements of different water amounts, saves the construction of a complete sewage pipe network system, reduces the cost for sewage treatment, and has simple structure and low energy consumption. Moreover, the water treatment method also has the advantages of strong operability, convenient maintenance and management and the like.
In step S100, injecting the contaminated water into the first cylinder 100 through the water inlet 104 to perform primary filtration on the contaminated water through the first reaction part 102;
for example, domestic sewage of farmers can be introduced into the first cylinder 100 through the filtering part and the water inlet 104, and the sewage introduced into the first cylinder 100 can be subjected to primary reaction and purification after passing through the first reaction part 102.
In step S200, pumping the sewage into the second cylinder 106 through the circulation assembly, so as to perform a secondary reaction on the sewage through the second reaction part 108 and filtering the sewage;
in this step, the sewage in the first cylinder 100 is pumped into the second cylinder 106 by the circulation pump 122, and after the sewage in the first cylinder 100 is transported into the second cylinder 106 through the pipeline 124, the sewage can be secondarily reacted and purified with the sewage in the second cylinder 106 through the second reaction part 108 after being distributed by the water distributor 126.
The purified wastewater passing through the second reaction part 108 can flow back to the first cylinder 100 again through the dripping holes 112 of the second cylinder 106.
In step S300, the sewage flowing into the first cylinder 100 through the dripping hole 112 is pumped into the second cylinder 106 by the circulation assembly for a second time to form a circulation.
In this step, the sewage dropped from the second cylinder 106 into the first cylinder 100 and the sewage flowed into the first cylinder 100 from the water inlet 104 are pumped into the second cylinder 106 by the circulating assembly to form a circulating reaction and purification of the sewage.
According to one embodiment of the invention, the water treatment process is run for at least one cycle, the at least one cycle comprising at least 10 cycles.
In other words, in this step, the control component can control the water treatment device to operate in two different operation modes through time sequence. Corresponding to a low load mode and a high load mode, respectively. In the low-load mode, 1 period T is set every day, and the period comprises 20 cycles; in the high load mode, 2 periods T are set every day, each period including 10 cycles. In each cycle, the water injection time of the first cylinder 100 to the second cylinder 106 is 6 minutes, the remaining time is the dripping reaction time of the second cylinder 106 to the first cylinder 100, the last cycle of each period discharges water once, the water discharge time is 6-12 minutes, the water discharge time is changed according to the difference of daily treated water quantity, the circulating pump 122 is provided with a liquid level control floating ball, and when the liquid level in the first cylinder 100 is too low, the circulating pump 122 is automatically closed.
In this embodiment, the maximum daily throughput in the low load mode is 0.25 cubic meter per day, and the maximum daily throughput in the high load mode is 0.5 cubic meter per day.
In summary, one or more of the technical solutions in the embodiments of the present invention at least have one of the following technical effects:
according to the water treatment device of the embodiment of the first aspect of the present invention, in practical use, after the sewage is introduced into the first cylinder 100, the sewage is firstly reacted with the first reaction part 102 to perform primary purification on the sewage; then, by the circulation of the circulation component, the sewage after the first reaction in the first cylinder 100 is introduced into the second cylinder 106 for a second reaction; and then permeates into the first cylinder 100 through the dripping holes 112 to be purified again and form a circulation, so that a plurality of circulation reactions to the sewage can be formed. The sewage treatment system can meet the treatment requirements of different water amounts, saves the construction of a complete sewage pipe network system, reduces the cost for sewage treatment, and has simple structure and low energy consumption. When the water quantity is larger, the circulation capacity of the circulation component can be improved; when the water quantity is smaller, the circulating capacity of the circulating assembly can be properly reduced, so that the treatment requirements of different water quantities can be met. Moreover, for the distributed farmers, the system can be pertinently arranged around the distributed farmers, so that the construction of a complete sewage pipe network system is omitted, and the cost for sewage treatment is reduced. And the water treatment device also has the advantages of simple structure, low energy consumption and the like.
Further, according to the water treatment method of the embodiment of the second aspect of the present invention, which is realized by the water treatment apparatus provided by the embodiment of the first aspect of the present invention, after the sewage is introduced into the first cylinder 100, the sewage is firstly reacted with the first reaction part 102 to perform primary purification on the sewage; then, by the circulation of the circulation component, the sewage after the first reaction in the first cylinder 100 is introduced into the second cylinder 106 for a second reaction; and then permeates into the first cylinder 100 through the dripping holes 112 to be purified again and form a circulation, so that a plurality of circulation reactions to the sewage can be formed. The sewage treatment system can meet the treatment requirements of different water amounts, saves the construction of a complete sewage pipe network system, reduces the cost for sewage treatment, and has simple structure and low energy consumption. Moreover, the water treatment method also has the advantages of strong operability, convenient maintenance and management and the like.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. A water treatment device, comprising:
the device comprises a first barrel (100), wherein a first reaction part (102) is arranged in the first barrel (100), and a water inlet (104) is formed in the first barrel (100);
the second cylinder (106) is arranged in the first cylinder (100), a second reaction part (108) is arranged in the second cylinder (106), and a water outlet (110) and a dripping hole (112) communicated with the first cylinder (100) are also arranged on the second cylinder (106);
a circulation assembly disposed in the first cylinder (100) to introduce the contaminated water in the first cylinder (100) into the second cylinder (106).
2. The water treatment apparatus according to claim 1, wherein the first reaction part (102) comprises:
the lower frame (114) is positioned in the first cylinder (100), an accommodating space (116) is formed in the middle of the lower frame (114), and solid filler (118) is filled in the lower frame (114).
3. The water treatment apparatus according to claim 2, wherein the second reaction part (108) comprises:
and the inner ring (120) is arranged in the second cylinder (106), and a reaction space formed by the inner ring (120) and the side wall of the second cylinder (106) in an enclosing manner is filled with the solid filler (118).
4. The water treatment device of claim 3, wherein the circulation assembly comprises:
the circulating pump (122) is arranged in the accommodating space (116);
and a first end of the pipeline (124) is connected with the circulating pump (122), and a second end of the pipeline (124) penetrates out of the inner ring (120) along the axial direction of the inner ring (120) and is provided with a water distributor (126).
5. The water treatment device according to claim 3, wherein the dripping hole (112) is formed in the bottom of the second cylinder (106), and a deflector (130) is provided on the lower frame (114) at a position corresponding to the dripping hole (112).
6. A water treatment device according to claim 3, characterized in that a baffle (128) for preventing the solid filler (118) from overflowing is provided at the position of the water outlet (110).
7. The water treatment device according to claim 4, wherein a first liquid level sensor is arranged at the top of the first cylinder (100); a second liquid level sensor is arranged at the bottom of the first cylinder (100);
the water treatment device further comprises:
a control assembly controlling the water intake of the water inlet (104) or the circulation pump (122) based on signals of the first and/or second level sensors.
8. The water treatment apparatus according to any one of claims 1 to 7, further comprising:
a filter section connected to an upstream end of the water inlet (104);
a porous plate disposed at the water outlet (110).
9. A water treatment method, characterized in that the water treatment method is realized based on the water treatment device according to any one of claims 1 to 8;
the water treatment method comprises the following steps:
injecting sewage into the first cylinder (100) through the water inlet (104) to primarily react with the sewage through the first reaction part (102);
pumping the contaminated water into the second cylinder (106) through the circulation assembly to secondarily react with the contaminated water through the second reaction part (108);
and the sewage flowing into the first cylinder (100) through the dripping hole (112) is pumped into the second cylinder (106) for a second time through the circulating assembly to form a circulation.
10. The water treatment method of claim 9, wherein the water treatment method is run for at least one cycle, at least one cycle comprising at least 10 cycles.
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