CN111704265B

CN111704265B - Water purification equipment and water purification method thereof

Info

Publication number: CN111704265B
Application number: CN202010524282.0A
Authority: CN
Inventors: 叶梁
Original assignee: Zhejiang Zhedong Environmental Protection Technology Co ltd
Current assignee: Zhejiang Zhedong Environmental Protection Technology Co ltd
Priority date: 2020-06-10
Filing date: 2020-06-10
Publication date: 2021-04-20
Anticipated expiration: 2040-06-10
Also published as: CN111704265A

Abstract

The invention discloses a water purification device, comprising: the micro-resistance vortex pipeline mixer is a device which is communicated with the water source and is used for realizing the instantaneous mixing of the water source with the coagulant, the coagulant aid and the disinfectant; the coarse filter is connected with the micro-resistance vortex pipeline mixer to realize interception coarse filtration of large particle impurities in a water source; the reaction precipitator is communicated with the coarse filter and is used for realizing coagulation reaction and flocculation precipitation, and the reaction precipitator adopts an integrated multi-cavity structure; and, automatically backwashing the filter; a water flow spraying micro-resistance impact area is arranged in the micro-resistance vortex pipeline mixer; the inner part of the coarse filter is provided with a filter body with adjustable filter holes; a multistage coagulation reaction zone is arranged in the reaction precipitator; a coagulation reaction system for changing the flow speed and the flow direction of water is arranged in the multistage coagulation reaction zone; the automatic backwashing filter is provided with a filtering device for realizing the natural filtering function of the purified water.

Description

Water purification equipment and water purification method thereof

Technical Field

The invention relates to the technical field of water purification equipment, in particular to water purification equipment and a water purification method thereof, which are designed aiming at the characteristics of rural population dispersion and inconvenient traffic and combining rural economic level, characteristics of reservoirs, streams and river water sources around the rural area and actual topographic conditions.

Background

China is rural with dispersed population and inconvenient traffic, and some remote areas are lack of water resources, tap water plants cannot be built in the rural areas with dispersed population and remote areas, in recent years, a plurality of water purification devices developed aiming at rural drinking water problems exist, but most of the existing water purification devices generally adopt coagulation reaction and precipitation filtration to water source water, and in the process of water source water purification, most of the purified water lacks natural taste on drinking taste, the existing water purification devices cannot realize water purification device generalization, and can only be matched with water sources in specific areas, so that the rural water purification devices have strong pertinence and limited use range, therefore, a water purification device which can be universally used in rural areas and can automatically realize purification according to the characteristics of reservoirs, streams, river water and water around the rural areas and actual topographic conditions is urgently needed to be designed, the drinking water purified by the water purifying equipment meets the purification standard and can meet the requirement of natural taste. The natural water has good drinking taste, and is mainly fresh, fresh and pollution-free due to the fact that the natural water is live water and has a water source, and the natural water is self-cleaning, most beneficial to health and matched with water molecular groups in or around cells of our bodies.

Chinese patent literature (publication date: 2019, 2, 5 and publication number: CN 208471725U) discloses a rural water purification plant, which comprises a filter cartridge, wherein a filter frame, a filter hole, a filter screen, a water inlet hole, a water outlet hole and a first filter cavity are arranged inside the filter cartridge; the upper part of the filter cylinder is provided with a cover body and a second filter cavity; a water inlet pipe and a water outlet pipe are respectively arranged on the two sides of the cover body; a water source water pump and a water source water pipe are arranged on the water inlet pipe; a sewage discharge pipe and an electric valve are arranged at the lower part of the filter cylinder; a high-pressure water pump and a filter pipe are arranged on the drain pipe; the filter pipe is connected with a reverse osmosis membrane filter and a carbon fiber filter. Rural water purification unit, the silt filter equipment who uses need not frequently to change to can wash automatically, reduce water purification unit's use cost, and it is comparatively convenient to use.

Chinese patent document (publication date: 2011, 11/23/h, publication number: CN 202046917U) discloses a multi-adaptive pressure type integrated water purifier, relates to the technical field of water treatment, and particularly relates to the problems of complex structure management difficulty of conventional medium and small-sized waterworks and poor adaptability of other integrated water purification equipment, the water purifier comprises a coagulant adding device with adjustable feedback, a folded plate reaction chamber, a uniform distributor of water to be precipitated, an inclined tube precipitation chamber, a sludge collection chamber, a sand filter chamber, a connecting pipe or a siphon back flushing pipeline system, and is characterized in that coagulation, precipitation, filtration and sludge discharge of conventional tap water are collected in a pressure type tank body, automatic water production and back flushing are realized through the connecting pipe or the siphon back flushing system, the whole water purification process is completed by utilizing the original gravitational potential energy of source water, the discharged water can be conveyed to a high-level clean water tank by utilizing the original pressure, pressure type tank bodies with corresponding sizes are manufactured according to different, the water purifier is convenient to transport, construct, manage and operate, has low cost, and is an integrated water purifier for rural areas, schools, troops and emergency water supply water works with different water sources.

Disclosure of Invention

The invention aims to provide a universal water purifying device and a water purifying method thereof, which are widely applicable to vast rural areas and aim at the characteristics of reservoirs, streams and river water sources around the rural areas and the actual topographic conditions in different areas. The water purifying equipment aims to solve the problems that the existing rural water purifying equipment is not universal, and the purified drinking water loses natural taste, can realize full gravity self-flow, can also fully utilize the water source water pressure to finish water supply, and can realize purification aiming at the water source water with different water qualities. The water purifying equipment imitates the principle that natural water has a water source and constantly flows, is fresh without being polluted, and is automatically cleaned, namely, the water activating principle is adopted, so that oxygen or beneficial substances rich in the natural activated water in drinking water are reserved.

The invention adopts the technical scheme that the invention achieves the aim that: a water purification apparatus comprising:

the micro-resistance vortex pipeline mixer is a device which is communicated with the water source and is used for realizing the instantaneous mixing of the water source with the coagulant, the coagulant aid and the disinfectant; and the number of the first and second groups,

the coarse filter is connected with the micro-resistance vortex pipeline mixer to realize interception coarse filtration of large particle impurities in a water source; and the number of the first and second groups,

the reaction precipitator is communicated with the coarse filter and is used for realizing coagulation reaction and flocculation precipitation, and the reaction precipitator adopts an integrated multi-cavity structure; and the number of the first and second groups,

the automatic backwashing filter is communicated with the reaction precipitator and is used for realizing backwashing and filtering out clean water;

wherein, a water flow spraying micro-resistance impact area is arranged in the micro-resistance vortex pipeline mixer;

the inner part of the coarse filter is provided with a filter body with adjustable filter holes;

a multistage coagulation reaction zone is arranged in the reaction precipitator; a coagulation reaction system for changing the flow speed and the flow direction of water is arranged in the multistage coagulation reaction zone;

the automatic backwashing filter is provided with a filtering device for realizing the natural filtering function of the purified water.

The water purifying equipment aims at the defects of the existing water purifying device, according to the purification conditions and the purification principle of natural drinking water such as natural mineral water, mountain spring water and the like, the structure of the water purifying equipment is improved, so that the source water is reduced and subjected to treatment simulating the natural environment in a series of processes such as mixing, rough filtering, reaction precipitation, filtering and the like of the water purifying equipment, impurities and harmful substances are removed from the drinking water purified by the water purifying device, the taste of the natural water is kept, the running water can provide rich oxygen which is easily absorbed by cells, the oxygen amount absorbed into a human body can be increased, when the water passes through natural soil and sandy soil, a large amount of mineral substances and trace elements beneficial to the body can be accumulated, the water purifying equipment is beneficial to the health of the body, and the taste is better when the water is drunk. The water purifying equipment is designed completely new for each equipment through which source water passes, namely, a flow path which is bent and long by mountain spring water is imitated, and production conditions of natural mineral water are imitated, a water flow spraying micro-resistance impact area is arranged in a micro-resistance vortex pipeline mixer, the water flow spraying micro-resistance impact area is formed by the water flow, so that the source water entering the micro-resistance vortex pipeline mixer can realize instant mixing with coagulant, coagulant aid, disinfectant and the like, and can realize physical impact on the source water, thereby realizing natural impact on the source water, then the mixed source water enters a coarse filter, a filter body with adjustable filter holes is arranged in the coarse filter, when the source water passes through the filter body, the size of the filter body filter holes can be adjusted according to the water pressure, so that the source water passes through the coarse filter in a fluctuating mode, coarse filtration of large-particle impurities in a water source is realized, meanwhile, the design of a hole-type flow path of the water source water is realized, after the water source water subjected to rough filtration enters a reaction precipitator, the flow velocity and the flow direction of the water source water are continuously changed through various reactions in a multistage coagulation reaction zone, so that the water source water not only improves the flocculation effect, but also can effectively remove suspended matters, organic matters and colloids in the water, and original mineral substances of the water source water are reserved, and meanwhile, the principle of the flow path of the spring water of Jiuqu eighteen gulf is fully utilized, so that the water source water can have a longer reaction path in the reactor; the water source water after reaction enters the automatic backwashing filter, natural filtration is carried out in the automatic backwashing filter through a filter device with the natural filtration function of purified water, impurities and harmful substances are removed from the filtered drinking water, original mineral substances can be reserved, and the taste of natural water is reserved. The water purifying device can meet the water quality purification requirements of different areas, and achieves the design purposes of generalization and naturalization.

Preferably, the micro-resistance vortex pipeline mixer comprises a mixer shell and a micro-resistance vortex component arranged inside the mixer shell;

the micro-resistance vortex component comprises a central ceramic medicine tube and a plurality of spiral diversion mixtures arranged between the central ceramic medicine tube and the inner wall of the shell;

the wall of the central ceramic medicine tube is provided with a plurality of inclined medicine spraying pressure holes, each spiral flow guide mixing body is composed of at least two spiral flow guide mixing monomers made of different materials, and the spiral flow guide mixing body is provided with a plurality of inclined flow channels;

the inclined direction of the inclined flow channel and the inclined direction of the inclined pesticide spraying pressure hole form an acute included angle to form a water flow pesticide spraying micro-resistance impact area;

the spiral diversion mixed monomers of different materials are arranged in a crossing way.

The micro-resistance vortex component is provided with a central ceramic drug tube, effective feeding of drugs can be realized through the central ceramic drug tube, the ceramic drug tube is adopted, the durability and the environmental protection of the ceramic drug tube are fully utilized, the influence on water source water caused by other metal materials is ensured, the currently used drug tube is generally made of metal materials such as stainless steel, adverse reaction is possibly caused by the fed drugs in the using process of the metal materials, the water source water quality is influenced, the ceramic drug tube is close to natural environmental protection, the problem that the water source water is influenced is avoided, the spiral diversion mixture body is composed of at least two spiral diversion mixture monomers made of different materials, most of the materials adopted in the mixer in the prior art are metal materials, and the requirement that the water source water is impacted with stone blocks and peripheral natural substances by imitating natural spring water is realized in the application, set up the mixed monomer of spiral water conservancy diversion into different materials, for example can be materials such as pottery, stone material, such project organization can enough guarantee the intensive mixing of source water and medicine, can realize the natural formula striking of source water again, through the direction that constantly changes rivers, prolongs the mixing time and the circulation route of source water, improves mixed effect and striking effect.

Preferably, the coarse filter is an adjustable coarse filter, and comprises an outer shell and a filter body with adjustable filter holes arranged inside the outer shell; wherein the content of the first and second substances,

the adjustable filter body of filtration pore include perforation steel sheet and perforated ceramic plate, the perforation steel sheet set up and intake the side at rivers, the perforated ceramic plate rotate through a pivot and connect on the perforation steel sheet to make the ceramic filtration pore on the perforated ceramic plate and the steel sheet filtration pore on the perforated steel sheet dislocation set from top to bottom. The strainer sets up to adjustable strainer, set up the filter body into the adjustable structure of filtration pore, make perforated ceramic plate can deflect relatively for the perforated steel sheet, of course, the design of its maximum angle that deflects is in order to shelter from half filtration pore for the limit, when the ceramic filtration pore on the perforated ceramic plate is blocked up half size with the filtration pore on the perforated steel sheet, perforated ceramic plate can automatic answer, make the expansion of filtration pore gradually, thereby can not influence the flow of water source water and pass, the colating of the water source water after having both realized mixing, filter the impurity of big granule, water source water can be according to the speed of water pressure size adjustment its through the strainer simultaneously.

Preferably, the perforated ceramic plate is an eccentric self-rotating body, and when water flow impacts the perforated ceramic plate, the perforated ceramic plate swings along the rotating shaft to enlarge or reduce the aperture of the perforated steel plate.

Preferably, the reaction precipitator comprises an outer cavity, an inner cavity and a bottom precipitation cavity; wherein the bottom of the outer cavity is communicated with the bottom of the inner cavity through a perforated water distribution pipe;

the multistage coagulation reaction zone comprises a coagulation reaction first zone, a coagulation reaction second zone and a coagulation reaction third zone;

the coagulation reaction first area is arranged in the outer cavity, the coagulation reaction second area is arranged at the lower part of the inner cavity, and the coagulation reaction third area is arranged above the coagulation reaction second area; the coagulation reaction system is respectively arranged in a coagulation reaction first area, a coagulation reaction second area and a coagulation reaction third area;

still include the settling zone, the settling zone set up in the upper portion of inner chamber and with the precipitation chamber intercommunication.

The inside exocoel that is provided with of reaction precipitator, inner chamber and precipitation chamber both have been in order to increase the length of the circulation route of water source water, make things convenient for the setting in multistage coagulation reaction district simultaneously, make water source water through the reaction district of difference, realize different reactions, through multistage coagulation reaction district, can effectively improve the reaction effect of flocculating agent, can improve the absorption to aquatic suspension tiny particle, change for absolutely through the velocity of flow and the flow direction to rivers, increase the contact of the fixed suspended solid of flocculating constituent and aquatic, make the formation of coagulating constituent, improve the time of interact between the coagulating constituent, further stabilize the flocculation reaction effect, still make water source water have longer circulation route simultaneously and can constantly produce the striking because of the change of velocity of flow and flow direction, thereby realize flowing down the time for disconnected physical striking to water source water among the mountain like spring.

Preferably, the coarse filter is communicated with an outer cavity of the reaction precipitator through a water inlet pipe, a tangential water inlet elbow is arranged on the water inlet pipe, the elbow is arranged on the reaction partition plate, the reaction partition plate is a tangential guide plate, and a plurality of openings which are arranged according to the tangential water flowing direction of the water inlet elbow are formed in the reaction partition plate. The water source after coarse filtration is effectively guided into the coagulation reactor through the tangential elbow, the tangential guide plate and the opening.

Preferably, the first coagulation reaction area comprises a folded plate cutting and stirring area arranged at the upper part of the outer cavity and a combined filling reaction area arranged at the lower part of the outer cavity; the folded plate cutting and stirring area comprises a plurality of single-side fixed different-direction tampering folded plates which are arranged on the inner wall of the outer cavity and the outer wall of the inner cavity; the combined filler reaction zone comprises a hollow ball filler and a suspension ball combined filler which are arranged in a combined mode; the heterodromous tampering folded plate, the hollow sphere filler and the suspension sphere combined filler form a coagulation reaction system of a coagulation reaction first area together. The first coagulation reaction area is internally provided with a folded plate cutting and stirring area and a combined filler reaction area, the coarsely filtered source water enters the folded plate cutting and stirring area through a tangential guide plate, is subjected to cutting and stirring of an opposite tamper folded plate and continuous change of the water flow speed and direction, so that the source water is fully mixed with a flocculating agent, the reaction effect of the flocculating agent can be effectively improved, the adsorption effect on suspended small particles in the water can be improved, the source water enters the combined filler reaction area through the folded plate cutting and stirring area, the filler further fully stirs the mixed liquid of the source water and a coagulant, and the flocculating agent is adhered through the filler to form a sludge layer, so that the reaction effect of the flocculating agent can be effectively improved, partial flocculating agent is intercepted, so that alum floc is further coagulated, and the volume and the compactness of the alum floc are increased. Meanwhile, the flowing time of the source water in the first region of the coagulation reaction can be prolonged through the flowing of the longer flowing channel, the physical impact of the source water is enhanced, and the flowing path and the effect of the spring water can be simulated.

Preferably, the second coagulation reaction zone comprises a multi-layer grid reaction system for changing the flow speed and the flow direction of water; the multilayer grid reaction system comprises an eccentric type swinging grid reaction system and a self-rotating grid reaction system; the eccentric type swinging grid reaction system and the self-rotating grid reaction system form a coagulation reaction system of a coagulation reaction second area; the third coagulation reaction area is a reaction area with different-direction folded plates, and the different-direction folded plates are a coagulation reaction system in the third coagulation reaction area. A multi-layer grid reaction system is arranged in a second coagulation reaction area, source water and a coagulant are fully mixed and then uniformly flow into the second coagulation reaction area through a perforated water distribution pipe, and an eccentric swinging grid reaction system and a self-rotating grid reaction system in the multi-layer grid reaction system constantly change the flow velocity and the flow direction of water to be treated, so that the contact between a flocculating body and a solid suspension in the water is enhanced, the flocculating body formation and the interaction between the flocculating bodies are promoted, and meanwhile, the source water can be continuously swirled and impacted by imitating a mountain environment; the water to be treated flows into the third area of the coagulation reaction through the multi-layer grid reaction system, the section area of the reaction area of the anisotropic folded plate is reduced along with the gradual rise of the reaction water flow, the interaction probability among the flocculating constituents is increased, the flocculation reaction effect is further stabilized, and the water to be treated enters the precipitation area through the reaction area of the anisotropic folded plate.

Preferably, the settling zone is an inclined double-layer inclined tube settling zone; the device comprises a first settling zone and a second settling zone, wherein the first settling zone is obliquely arranged at the upper part of an inner cavity, and a large-interval inclined pipe is arranged in the first settling zone; and a small-spacing inclined pipe module opposite to the inclination direction of the first settling zone is arranged in the second settling zone. The settling zone is provided with a first settling zone and a second settling zone, a double-layer inclined tube settling process is adopted, the flocculating constituent gradually descends to the settling chamber, clear water overflows to the automatic backflushing filter through an upper water outlet tube, the distance between the bottom inclined tubes of the double-layer inclined tube is large, the dirt holding capacity is strong, a sludge suspension layer zone is formed beneficially, the mutual adhesion effect of the flocculating constituent on solid suspended matters in water and the flocculating constituent is improved, and the load capacity of the settling system is greatly improved. The inclined pipe on the upper layer adopts a small diameter and is installed in a modular mode, fine alum floc and other impurities can be further precipitated, and the quality of precipitated effluent is improved.

Preferably, the automatic backwashing filter comprises a filter shell, a first filtering area, a second filtering area and an automatic backwashing device; a water distribution baffle communicated with the water inlet is arranged at the bottom of the filter shell; the first filtering area and the second filtering area are arranged upwards from the bottom of the filter shell in sequence; the first filtering area is a fiber filtering area, the second filtering area is an air-permeable filtering sand area, and the air-permeable filtering sand adopted by the air-permeable filtering sand area is desert filtered water sand; the filtering device comprises filtering fibers in the first filtering area and air-permeable filtering sand in the second filtering area. The automatic backflushing filter comprises a filter shell, a first filtering area, a second filtering area and a backflushing device, source water after coagulation reaction enters the automatic backflushing filter and firstly passes through the fiber filtering area of the first filtering area, fibers in the fiber filtering area adopt fiber bundles meeting the sanitary requirements of the national ministry of health as filtering materials, the fiber bundle filtering materials are arranged at a certain density to form a loose deep layer filtering material with a large specific surface area, a set of traction type density adjusting device and a limiting device of the relative positions of the fibers are arranged in the automatic backflushing filter, and effluent of the flocculation process passes through a compacted filtering material layer from bottom to top to obtain filtering purification. When the filter material is backwashed, the fiber bundle is automatically relaxed under the action of water power and scrubbed by using air water, and then the cleaning and regeneration are obtained. The fiber filtering area can effectively remove suspended matters in water and has a certain removing effect on organic matters, colloid, iron, manganese and the like in water. The arrangement of the fiber filtering area is like natural filtering of spring water in natural environment, so that not only are impurities removed, but also effective mineral substances of source water are effectively reserved. The source water enters the second filtering area through the first filtering area, the raw material adopted by the second filtering area is filtered water sand selected from desert high-quality source areas, the raw material filtered water sand is subjected to detection treatment meeting the sanitary standard, and the source water is filtered through the second filtering area just like natural filtration in natural sandy soil, so that the filtered source water is pure and natural as the water produced from the high-quality source areas.

The technical scheme adopted by the invention for realizing the second invention purpose is as follows: a water purification method of a water purification device comprises the following process steps:

1) conveying source water: lifting the source water to water purifying equipment through reservoir static pressure gravity flow or a lifting pump;

2) mixing and physical impacting: the method comprises the following steps that source water enters a micro-resistance vortex pipeline mixer, mixed liquid of water flow and a medicament passes through a spiral diversion mixture, physical impact is carried out in a water flow spraying micro-resistance impact area, the water flow rapidly rotates and impacts to form a vortex turbulent flow state, and mixed liquid medicine is rapidly stirred;

3) coarse filtration and speed regulation, wherein the mixed source water is subjected to coarse filtration on large particles in the source water through a coarse filter, and the filter body can be adjusted through filter holes to realize automatic adjustment of the water flow speed;

4) reaction precipitation variable speed anisotropic impact: firstly, the water flow of the water source after rough filtration enters a coagulation reaction first area in an inclined flow direction through a water inlet pipe and a tangential guide plate; secondly, in a first coagulation reaction area, source water passes through a folded plate cutting and stirring area, is subjected to cutting and stirring by an opposite tampering folded plate and is continuously changed in speed and direction of water flow, so that the source water and a flocculating agent are fully mixed, and meanwhile, the source water flows through a longer circulation channel in the first coagulation reaction area to further perform physical impact; thirdly, after being fully mixed, the water source water and the coagulant uniformly flow into a second area of coagulation reaction through a perforated water distribution pipe, the flow velocity and the flow direction of the water to be treated are continuously changed by an eccentric swinging grid reaction system and a self-rotating grid reaction system in the multi-layer grid reaction system, the coagulation reaction is further enhanced, and meanwhile, the water source water can continuously and circularly impact along with a mountain stream environment; fourthly, the water to be treated flows into a third area of the coagulation reaction through the multi-layer grid reaction system, the section area of the reaction area of the anisotropic folded plate is reduced along with the gradual rise of the reaction water flow, the flocculation reaction effect is further stabilized, and the water to be treated enters the sedimentation area through the reaction area of the anisotropic folded plate; fifthly, in the settling zone, a double-layer inclined tube settling process is adopted, the flocculating constituent gradually descends to a settling cavity, and clean water overflows to the automatic backwashing filter through an upper water outlet pipe;

5) natural filtration: firstly, the source water after coagulation reaction enters an automatic backflushing filter and firstly passes through a fiber filtering area of a first filtering area to remove suspended matters, organic matters, colloid, iron, manganese and the like in the water; secondly, the source water enters a second filtering area through the first filtering area, the second filtering area adopts filtered water sand which is selected from desert high-quality source areas as raw materials, and the source water is filtered through natural filtered water sand in the second filtering area to obtain filtered water with the taste of the water of the natural high-quality source areas; thirdly, automatic backwashing is carried out;

6) and outputting filtered drinking water and discharging and treating precipitates.

The invention has the beneficial effects that: according to the water purifying equipment, the purifying conditions and the purifying principle are formed according to natural drinking water such as natural mineral water, mountain spring water and the like, so that the source water is reduced and treated by imitating the natural environment in a series of processes such as mixing, rough filtering, reaction precipitation, filtering and the like of the water purifying equipment, so that the impurities and harmful substances of the drinking water purified by the water purifying device are removed, meanwhile, the purifying process of the running water is realized, rich oxygen, mineral substances and trace elements in the source water are reserved, and the taste is better when the drinking water is drunk. The water purifying device can meet the water quality purification requirements of different areas, and achieves the design purposes of generalization and naturalization. The water purifying method realizes effective purification of drinking water, retains the taste of natural mineral water and spring water of drinking water, and has convenient and reasonable process operation and strong universality.

Drawings

FIG. 1 is a schematic diagram of a water purifying apparatus according to the present invention;

FIG. 2 is a top view of the water purifying apparatus of the present invention;

FIG. 3 is a sectional view A-A of the water purifying apparatus of FIG. 2 according to the present invention;

FIG. 4 is a sectional view taken along line B-B of the water purifying apparatus of FIG. 2 according to the present invention;

FIG. 5 is a sectional view taken along line C-C of the water purifying apparatus of FIG. 2 according to the present invention;

FIG. 6 is a D-D sectional view of the water purification apparatus of FIG. 3 according to the present invention;

FIG. 7 is a schematic view of a strainer according to the present invention;

FIG. 8 is a schematic diagram of a micro-resistance vortex line mixer according to the present invention;

FIG. 9 is a schematic view of an exploded view of the micro-vortex assembly of the present invention;

FIG. 10 is a schematic diagram of an eccentric oscillating grid reaction system according to the present invention;

FIG. 11 is a schematic diagram of a self-rotating mesh reaction system according to the present invention;

in the figure: 1. a micro resistance vortex pipeline mixer, 11, a mixer shell, 12, a micro resistance vortex component, 121, a central ceramic drug pipe, 122, a spiral diversion mixture body, 123, an inclined spraying pressure hole, 124, a spiral diversion mixture body, 125, an inclined flow channel, 2, a coarse filter, 21, an outer shell, 22, a rotating shaft, 3, a reaction precipitator, 31, an outer cavity, 32, an inner cavity, 33, a precipitation cavity, 331, an inclined plate, 332, a precipitation pipe, 34, a perforated water distribution pipe, 35, a precipitation zone, 351, a first precipitation zone, 352, a second precipitation zone, 353, a large-spacing inclined pipe, 354, a small-spacing inclined pipe module, 4, an automatic backwashing filter, 41, a filter shell, 42, a first filtering zone, 43, a second filtering zone, 44, an automatic backwashing device, 5, a water flow spraying micro resistance impact zone, 6, a filter hole adjustable filter body, 61, a perforated steel plate, 62, a perforated ceramic plate, 63. the device comprises ceramic filter holes, 64 filter holes, steel plate filter holes, 7 filter holes, a multistage coagulation reaction zone, 71 a coagulation reaction first zone, 711 a folded plate cutting and stirring zone, 712 a combined filler reaction zone, 713 a heterodromous tamper folded plate, 714 hollow sphere filler, 715 suspension sphere combined filler, 72 a coagulation reaction second zone, 721 a multi-layer grid reaction system, 722 a eccentric swinging grid reaction system, 723 a self-rotating grid reaction system, 73 a coagulation reaction third zone, 731 a heterodromous folded plate, 8 a coagulation reaction system, 9 a filter device, 10 a water inlet pipe, 101 a tangential water inlet elbow, 102 a reaction partition plate, 103 an opening, 13 and a dosing device.

Detailed Description

The technical solution of the present invention is further described in detail by the following specific embodiments with reference to the accompanying drawings. The equipment in the invention are mutually communicated through pipelines, and the joints of the pipelines of water inlet, water outlet, medicine adding, disinfection, backwashing, sewage discharge, evacuation and the like of the water purification equipment and the pipelines are provided with movable joints and elbows, so that the pipeline layout of the whole equipment is compact and reasonable. The medicines which are not specially described in the invention, such as the put medicines, and the like can be purchased in the market to meet the sanitary standard and the drinking water safety medicines, and the like.

Example 1:

in the embodiment shown in fig. 1, 2 and 3, the source water is lifted to the water purifying apparatus by means of reservoir static pressure gravity flow or a lift pump, and the like, and the water purifying apparatus comprises:

the micro-resistance vortex pipeline mixer 1 is a device which is communicated with source water and is used for realizing instantaneous mixing of the source water with a coagulant, a coagulant aid and a disinfectant; and the number of the first and second groups,

the coarse filter 2 is connected with the micro-resistance vortex pipeline mixer 1 to realize interception coarse filtration of large particle impurities in a water source; and the number of the first and second groups,

the reaction precipitator 3 is communicated with the coarse filter 2 and is used for realizing coagulation reaction and flocculation precipitation, and the reaction precipitator 1 adopts an integrated multi-cavity structure; and the number of the first and second groups,

an automatic backwashing filter 4 which is communicated with the reaction precipitator 3 and is used for realizing backwashing and filtering out clean water;

wherein, a water flow spraying micro-resistance impact area 5 is arranged in the micro-resistance vortex pipeline mixer 1;

a filtering body 6 with adjustable filtering holes is arranged inside the coarse filter 2;

a multistage coagulation reaction zone 7 is arranged in the reaction precipitator 3; a coagulation reaction system 8 for changing the flow speed and the flow direction of water is arranged in the multistage coagulation reaction zone 7;

the automatic backwashing filter 4 is provided with a filtering device 9 for realizing the natural filtering function of the purified water.

The micro-resistance vortex pipeline mixer 1 comprises a mixer shell 11 and a micro-resistance vortex component 12 (shown in figure 8) arranged inside the mixer shell 11;

the micro-resistance vortex component 12 comprises a central ceramic drug tube 121 and a plurality of spiral diversion mixing bodies 122 arranged between the central ceramic drug tube 121 and the inner wall of the mixer shell 11; the central ceramic medicine tube 121 is communicated with a double medicine storage cavity medicine adding device 13 arranged outside;

as shown in fig. 9, the wall of the central ceramic drug tube 121 is provided with a plurality of inclined drug spraying pressure holes 123, each spiral diversion mixture 122 is composed of at least two spiral diversion mixture monomers 124 made of different materials, and the spiral diversion mixture 122 is provided with a plurality of inclined flow channels 125;

the inclined direction of the inclined flow channel 125 and the inclined direction of the inclined pesticide spraying pressure hole 123 form an acute included angle to form a water flow pesticide spraying micro-resistance impact area 5;

the spiral diversion mixing monomers 125 made of different materials are arranged in a crossed manner.

The micro-resistance vortex assembly 12 is provided with a central ceramic medicine tube 121, effective feeding of medicines can be achieved through the central ceramic medicine tube 121, the ceramic medicine tube is communicated with the medicine adding device 14 with the double medicine storage cavities, the medicine adding device 14 is used for controlling medicine adding, dissolving is conducted through hydraulic power, and the medicines are accurately fed through a metering pump. The durability and the environmental protection of the ceramic drug tube are fully utilized, the influence on water source water caused by other metal materials is ensured, the currently used drug tube is generally made of metal materials such as stainless steel, the metal materials possibly cause adverse reaction due to the added drugs in the using process, so the water source water quality is influenced, the drug tube made of the ceramic materials is close to natural environmental protection, the problem that the water source water is influenced does not exist, the spiral diversion mixed body 125 is composed of spiral diversion mixed monomers made of at least two different materials, most of the mixers in the prior art are made of the metal materials, the spiral diversion mixed monomers are set to be different materials in order to meet the requirement that the water source water imitates natural spring water to impact stones and peripheral natural substances, and the environment-friendly materials such as ceramics, minerals and stones are adopted in the embodiment, the water source water and the medicine can be fully mixed, natural impact of the water source water can be realized, the mixing time and the flow path of the water source water are prolonged by constantly changing the direction of the water flow, and the mixing effect and the impact effect are improved.

As shown in fig. 7, the strainer 2 is an adjustable strainer, and includes an outer casing 21 and a filtering hole adjustable filtering body 6 arranged inside the outer casing 21; wherein the content of the first and second substances,

the adjustable filter body 6 of filtration pore include perforation steel sheet 61 and perforated ceramic plate 62, perforation steel sheet 61 set up and intake the side at rivers, perforated ceramic plate 62 rotate through a pivot 22 and connect on perforation steel sheet 61 to make the setting of misplacing from top to bottom of the ceramic filtration pore 63 on the perforated ceramic plate 62 and the steel sheet filtration pore 64 on the perforation steel sheet 61. The perforated ceramic plate 62 is an eccentric self-rotating body, and when water flow impacts the perforated ceramic plate, the perforated ceramic plate 62 swings along the rotating shaft 22 to enlarge or reduce the aperture of the perforated steel plate.

Set up the adjustable filter body 6 in filtration pore into filtration pore adjustable structure, make perforated ceramic plate 61 can deflect relatively for perforated steel sheet 62, of course, the maximum angle design of its deflection is in order to shelter from half filtration pore for the limit, filtration pore on perforated ceramic plate and the filtration pore on the perforated steel sheet are blocked up half size, perforated ceramic plate can automatic reply, make the expansion of filtration pore gradually, thereby can not influence the flow of water supply water and pass, the coarse filtration of water supply water after having realized mixing, filter the impurity of big granule, can not make water supply water adjust its speed through the strainer according to the water pressure size simultaneously.

The reaction precipitator 3 comprises an outer cavity 31, an inner cavity 32 and a bottom precipitation cavity 33; wherein, the bottom of the outer cavity is communicated with the bottom of the inner cavity through a perforated water distribution pipe 34;

the multistage coagulation reaction zone 7 comprises a coagulation reaction first zone 71, a coagulation reaction second zone 72 and a coagulation reaction third zone 73;

wherein, the first coagulation reaction zone 71 is arranged in the outer cavity 31, the second coagulation reaction zone is arranged at the lower part of the inner cavity 32, and the third coagulation reaction zone 73 is arranged above the second coagulation reaction zone 72; the coagulation reaction system 8 is respectively arranged in a coagulation reaction first zone 71, a coagulation reaction second zone 72 and a coagulation reaction third zone 73;

and the device also comprises a settling zone 35, wherein the settling zone 35 is arranged at the upper part of the inner cavity 32 and is communicated with the settling cavity 33.

The reaction precipitator 3 is internally provided with an outer chamber 31, an inner chamber 32 and a precipitation chamber 33 both for increasing the length of a flow path of source water, meanwhile, the multistage coagulation reaction zone 7 is convenient to arrange, so that different reactions are realized when source water passes through different reaction zones, the reaction effect of the flocculating agent can be effectively improved when the source water passes through a coagulation reaction system in the multistage coagulation reaction zone 7, can improve the adsorption of suspended particles in water, increase the contact between a flocculating body and fixed suspended matters in water by changing the flow speed and the flow direction of water flow, promote the formation of the flocculating body, improve the interaction time between the flocculating bodies, further stabilize the flocculation reaction effect, meanwhile, the source water has a longer flow path and can continuously generate impact due to the change of flow velocity and flow direction, so that the disconnected physical impact when the source water such as spring water flows among mountains is realized.

The coarse filter 2 is communicated with an outer cavity 31 of the reaction precipitator 3 through a water inlet pipe 10, a tangential water inlet elbow 101 is arranged on the water inlet pipe 10, the tangential water inlet elbow 101 is arranged on a reaction clapboard 102, the reaction clapboard 102 is a tangential guide plate, and a plurality of holes 103 which are arranged along the tangential water flowing direction of the tangential water inlet elbow 101 are arranged on the reaction clapboard 102. The water source after coarse filtration is effectively guided into the coagulation reactor through the tangential elbow, the tangential guide plate and the opening.

As shown in fig. 4, the coagulation reaction first zone 71 comprises a flap cutting agitation zone 711 provided in the upper part of the outer chamber and a combined filling reaction zone 712 provided in the lower part of the outer chamber; the flap cutting and stirring area 711 comprises a plurality of single-side fixed different-direction tampering flaps 713 arranged on the inner wall of the inner cavity and the outer wall of the inner cavity; the combined filler reaction zone 712 includes a hollow sphere filler 714 and a suspension sphere combined filler 715 which are combined. The different-direction tampering folded plate 713, the hollow sphere filler 714 and the suspension sphere combined filler 715 form a coagulation reaction system of the coagulation reaction first area 71 together. A folded plate cutting and stirring area and a combined filler reaction area are arranged in the coagulation reaction first area 71, when rough-filtered source water passes through a tangential guide plate, the rough-filtered source water is sent to the folded plate cutting and stirring area to be cut and stirred by an anisotropic tamper folded plate and the water flow speed and direction are continuously changed, so that the source water is fully mixed with a flocculating agent, the reaction effect of the flocculating agent can be effectively improved, the adsorption effect on suspended small particles in the water can be improved, the source water enters the combined filler reaction area through the folded plate cutting and stirring area, the hollow sphere filler 714 and the suspension sphere combined filler 715 are made of environment-friendly materials such as plastic materials and fiber materials, the filler is further fully stirred on the mixed liquid of the source water and the flocculating agent, a flocculation sludge layer is formed by the filler adhesion to the flocculating agent, the reaction effect of the flocculating agent can be effectively improved, and part of the flocculating agent is intercepted, so that alum floc is further coagulated, the volume and the compactness of the alum blossom are increased. Meanwhile, the flowing time of the source water in the first region of the coagulation reaction can be prolonged through the flowing of the longer flowing channel, the physical impact of the source water is enhanced, and the flowing path and the effect of the spring water can be simulated.

As shown in fig. 4, the coagulation reaction second zone 72 includes a multi-layer mesh reaction system 721 for varying the flow rate and direction of water; the multi-layer mesh reaction system 721 comprises an eccentric oscillating mesh reaction system 722 (see fig. 10) and a self-rotating mesh reaction system 723 (see fig. 11); the eccentric swinging grid reaction system 722 and the self-rotating grid reaction system 723 form a coagulation reaction system of the coagulation reaction second zone 72; the third coagulation reaction zone 73 is a reaction zone with a diversion flap, and the diversion flap 731 is a coagulation reaction system in the third coagulation reaction zone 73. A multi-layer grid reaction system is arranged in the coagulation reaction second area 72, source water and a coagulant are fully mixed and then uniformly flow into the coagulation reaction second area through a perforated water distribution pipe, and an eccentric swinging grid reaction system and a self-rotating grid reaction system in the multi-layer grid reaction system continuously change the flow velocity and the flow direction of water to be treated, so that the contact between a flocculating body and a solid suspension in the water is enhanced, the flocculating body formation and the interaction between the flocculating bodies are promoted, and meanwhile, the source water can continuously swirl and impact along a mountain environment; the water to be treated flows into the third area of the coagulation reaction through the multi-layer grid reaction system, the section area of the reaction area of the anisotropic folded plate is reduced along with the gradual rise of the reaction water flow, the interaction probability among the flocculating constituents is increased, the flocculation reaction effect is further stabilized, and the water to be treated enters the precipitation area through the reaction area of the anisotropic folded plate.

As shown in fig. 4, the settling zone 35 is a tilting double-layer inclined tube settling zone; the device comprises a first settling zone 351 and a second settling zone 352, wherein the first settling zone 351 is obliquely arranged at the upper part of an inner cavity, and a large-distance inclined pipe 353 is arranged in the first settling zone; the second settling zone 352 is internally provided with a small-pitch inclined tube module 354 which is opposite to the inclination direction of the first settling zone 351. The settling zone 35 is provided with a first settling zone 351 and a second settling zone 352, a double-layer inclined tube settling process is adopted, a flocculating constituent gradually descends to a settling chamber 33 through an inclined plate 331 and a settling tube 332, clear water overflows to an automatic backflushing filter through an upper water outlet pipe, the distance between the bottom inclined tubes of the double-layer inclined tube is large, the dirt holding capacity is strong, a sludge suspension layer zone is formed beneficially, the mutual adhesion effect of the flocculating constituent on solid suspended matters and flocculating constituents in water is improved, and the load capacity of the settling system is greatly improved. The inclined pipe on the upper layer adopts a small diameter and is installed in a modular mode, fine alum floc and other impurities can be further precipitated, and the quality of precipitated effluent is improved.

As shown in fig. 5, the automatic back-flushing filter 4 includes a filter housing 41, a first filtering section 42, a second filtering section 43 and an automatic back-flushing device 44; as shown in fig. 6, a water distribution baffle 45 communicated with the water inlet is arranged at the bottom of the filter shell 41; the first filtering area 42 and the second filtering area 43 are arranged upwards from the bottom of the filter shell 41 in sequence; first filtering area 42 be the fibre filtering area, second filtering area 43 be ventilative filtration sand district, ventilative filtration sand raw materials that ventilative filtration sand district 43 adopted adopt the drainage sand in desert, ventilative filtration sand district 43 includes big grained layer, mixed grained layer and tiny particle layer, and big grained layer sets up in the top of first filtering area, and tiny particle layer sets up in the top of big grained layer, mixed grained layer sets up between big grained layer and tiny particle layer. The filter device 9 comprises filter fibers in a first filter area and air-permeable filter sand in a second filter area. The automatic backflushing filter comprises a filter shell, a first filtering area, a second filtering area and a backflushing device, source water after coagulation reaction enters the automatic backflushing filter and firstly passes through the fiber filtering area of the first filtering area, fibers in the fiber filtering area adopt fiber bundles meeting the sanitary requirements of the national ministry of health as filtering materials, the fiber bundle filtering materials are arranged at a certain density to form a loose deep layer filtering material with a large specific surface area, a set of traction type density adjusting device and a limiting device of the relative positions of the fibers are arranged in the automatic backflushing filter, and effluent of the flocculation process passes through a compacted filtering material layer from bottom to top to obtain filtering purification. When the filter material is backwashed, the fiber bundle is automatically relaxed under the action of water power and scrubbed by using air water, and then the cleaning and regeneration are obtained. The fiber filtering area can effectively remove suspended matters in water and has a certain removing effect on organic matters, colloid, iron, manganese and the like in water. The arrangement of the fiber filtering area is like natural filtering of spring water in natural environment, so that not only are impurities removed, but also effective mineral substances of source water are effectively reserved. The source water enters the second filtering area through the first filtering area, the raw material adopted by the second filtering area is filtered water sand selected from desert high-quality source areas, the raw material filtered water sand is subjected to detection treatment meeting the sanitary standard, and the source water is filtered through the second filtering area just like natural filtration in natural sandy soil, so that the filtered source water is pure and natural as the water produced from the high-quality source areas.

The water purification method of the water purification equipment comprises the following process steps:

4) reaction precipitation variable speed anisotropic impact: firstly, the water source water after rough filtration enters a coagulation reaction first area in an inclined flow direction through a water inlet pipe and a tangential guide plate; secondly, in a first coagulation reaction area, source water passes through a folded plate cutting and stirring area, is subjected to cutting and stirring by an opposite tampering folded plate and is continuously changed in speed and direction of water flow, so that the source water and a flocculating agent are fully mixed, and meanwhile, the source water flows through a longer circulation channel in the first coagulation reaction area to further perform physical impact; thirdly, after being fully mixed, the water source water and the coagulant uniformly flow into a second area of coagulation reaction through a perforated water distribution pipe, the flow velocity and the flow direction of the water to be treated are continuously changed by an eccentric swinging grid reaction system and a self-rotating grid reaction system in the multi-layer grid reaction system, the coagulation reaction is further enhanced, and meanwhile, the water source water can continuously and circularly impact along with a mountain stream environment; fourthly, the water to be treated flows into a third area of the coagulation reaction through the multi-layer grid reaction system, the section area of the reaction area of the anisotropic folded plate is reduced along with the gradual rise of the reaction water flow, the flocculation reaction effect is further stabilized, and the water to be treated enters the sedimentation area through the reaction area of the anisotropic folded plate; fifthly, in the settling zone, a double-layer inclined tube settling process is adopted, the flocculating constituent gradually descends to a settling cavity, and clean water overflows to the automatic backwashing filter through an upper water outlet pipe;

The purification process flow of the water purification device is detailed as follows:

the method comprises the following steps that water source water is lifted to a micro-resistance vortex pipeline mixer 1 of water purification equipment through a reservoir static pressure self-flow or a lifting pump, the micro-resistance vortex pipeline mixer is communicated with a dosing device, the dosing device accurately doses the water according to a metering pump, mixed liquid of the water flow and a medicament passes through spiral flow guide mixed bodies, each spiral flow guide mixed body is composed of at least two spiral flow guide mixed monomers made of different materials, and a plurality of inclined flow channels are arranged on each spiral flow guide mixed body; the incline direction of slope runner is acute angle contained angle with the incline direction of slope spraying medicine pressure port and sets up and form rivers and spout medicine micro resistance striking district, and rivers rotatory striking rapidly forms vortex turbulent state, can stir rapidly and mix the liquid medicine, improves the even degree that the flocculating constituent was thrown and adds, and the mixed monomer of spiral water conservancy diversion can form the mixing system of mutually supporting simultaneously, prevents the short-term current.

Then the coarse filter 2 is used for coarse filtering large particles in water source water, the water after coarse filtering passes through a tangential water inlet elbow arranged on a reaction clapboard on a water inlet pipe, the reaction clapboard is a tangential guide plate, and a plurality of open holes arranged according to the tangential water flowing direction of the water inlet elbow are arranged on the reaction clapboard. The water flow enters a coagulation reaction first area in an inclined flow direction, a folded plate cutting and stirring area and a combined filler reaction area are arranged in the coagulation reaction first area, coarsely filtered source water enters the folded plate cutting and stirring area through a tangential guide plate and is subjected to cutting and stirring of an opposite tamper folded plate and continuous change of the water flow speed and direction, the source water is fully mixed with a flocculating agent, the reaction effect of the flocculating agent can be effectively improved, the adsorption effect on suspended small particles in water can be improved, the source water enters the combined filler reaction area through the folded plate cutting and stirring area, the filler is further fully stirred for mixed liquid of the source water and a coagulant, and the flocculating agent is adhered through the filler to form a flocculated sludge layer, so that the reaction effect of the flocculating agent can be effectively improved, partial flocculating agent is intercepted, the alum floc is further coagulated, and the volume and the compactness of the alum floc are increased. Meanwhile, the flowing time of the source water in the first region of the coagulation reaction can be prolonged through the flowing of the longer flowing channel, the physical impact of the source water is enhanced, and the flowing path and the effect of the spring water can be simulated.

After being fully mixed, water source water and a coagulant uniformly flow into a coagulation reaction second area through a perforated water distribution pipe, the flow velocity and the flow direction of water to be treated are constantly changed by an eccentric swinging grid reaction system and a self-rotating grid reaction system in a multi-layer grid reaction system, so that the contact between a flocculating body and solid suspended matters in water is enhanced, the formation of the flocculating body and the interaction among the flocculating bodies are promoted, and meanwhile, the water source water can be continuously convoluted and impacted by imitating a mountain stream environment; the water to be treated flows into the third area of the coagulation reaction through the multi-layer grid reaction system, the section area of the reaction area of the anisotropic folded plate is reduced along with the gradual rise of the reaction water flow, the interaction probability among the flocculating constituents is increased, the flocculation reaction effect is further stabilized, and the water to be treated enters the precipitation area through the reaction area of the anisotropic folded plate.

The sedimentation zone adopts a double-layer inclined tube sedimentation process, the flocculating constituent gradually descends to a sedimentation cavity, clear water overflows to an automatic backflushing filter through an upper water outlet pipe, the distance between the bottom inclined tubes of the double-layer inclined tube is large, the pollutant carrying capacity is strong, a sludge suspension layer zone is formed, the mutual adhesion effect of the flocculating constituent on solid suspended matters and the flocculating constituent in water is improved, and the load capacity of a sedimentation system is greatly improved. The inclined pipe on the upper layer adopts a small diameter and is installed in a modular mode, fine alum floc and other impurities can be further precipitated, and the quality of precipitated effluent is improved.

The water of the water source after coagulation reaction enters an automatic backwashing filter and firstly passes through a fiber filtering area of a first filtering area, fibers in the fiber filtering area adopt fiber bundles meeting the sanitary requirements of the national ministry of health as filtering materials, the fiber bundle filtering materials are arranged in a certain density to form a loose deep layer filtering material with a large specific surface area, a set of traction type density adjusting device and a limiting device of the relative position of the fibers are arranged in the automatic backwashing filter, and effluent of the flocculation process passes through a compacted filtering material layer from bottom to top to obtain filtration and purification. When the filter material is backwashed, the fiber bundle is automatically relaxed under the action of water power and scrubbed by using air water, and then the cleaning and regeneration are obtained. The fiber filtering area can effectively remove suspended matters in water and has a certain removing effect on organic matters, colloid, iron, manganese and the like in water. The arrangement of the fiber filtering area is like natural filtering of spring water in natural environment, so that not only are impurities removed, but also effective mineral substances of source water are effectively reserved. The source water enters a second filtering area through the first filtering area, the second filtering area adopts filtered water sand which is selected from desert high-quality source areas as raw materials, the raw material filtered water sand is subjected to detection treatment meeting the sanitary standard, and the source water is filtered through the second filtering area, for example, natural filtration is carried out in natural sandy soil, so that the filtered source water is pure and natural as the water produced from the high-quality source areas.

During backflushing, water in a clean water tank of the equipment is adopted for backflushing, no additional power consumption facilities such as a backflushing water pump are needed, during backflushing, clean water in the clean water tank enters the interior of the filter material from top to bottom through a backflushing water distribution tank to flush the filter material, and a valveless filter chamber siphonage backflushing control system is adopted, so that the unstable action of a filter chamber siphonage damage bucket can be effectively prevented, the water resource waste is reduced, and the backflushing effect is improved.

Coagulant added by the water purification equipment generally selects PAC (powder or liquid) and aluminum sulfate (block), and can be specifically selected according to the actual water quality condition of the project; the disinfectant is generally sodium hypochlorite solution, chlorine dioxide solution, bleaching fine powder or block; the demander should be aware that in the process of selecting flocculants and disinfectants, products with health approved lots must be selected to ensure the safety of the water supply project. And determining that the amount of the added coagulant is 5-15 g/m3, and adjusting the amount of the added flocculant according to actual conditions when the reservoir water is influenced by rainfall. The flocculating agent is prepared into a 5-10% solution, the flocculating agent is added into a water inlet pipeline through a metering pump after being uniformly stirred by a stirrer, the metering pump is accurately added into the pipeline through an electromagnetic diaphragm metering pump, the adding flow of the metering pump can be adjusted through a flow adjusting valve, the coagulation reaction effect is fully ensured, and the consumption of the flocculating agent is saved.

According to the water purifying device, when source water flows into a water inlet of the chemical water purifying equipment by virtue of a river water lifting pump, the water inlet pressure is kept to be higher than the elevation of a basic water inlet of a reactor of the water purifying equipment by more than 8m, so that the water supply condition can be met, the water quantity can be adjusted by utilizing the original pipeline and the valve, the flow of the water purifying equipment is selected to be 2.5-25 m3/h, and the water source water head is utilized for low-water-level automatic backwashing after the water purifying equipment fully purifies the water.

The precipitated sludge is collected in a sludge hopper, and the sludge is further concentrated and drained in the sludge hopper, so that the sludge concentration is improved, and the water consumption is reduced. The sludge is discharged by adopting a control sludge discharge valve, and can be directly discharged to a sewage pipe network or used for irrigating farmlands by utilizing wastewater recovery.

The water purifying equipment aims at the defects of the existing water purifying device, forms purifying conditions and purifying principles according to natural drinking water such as natural mineral water, mountain spring water and the like, and leads the source water to be restored and processed by imitating natural environment in a series of processes of mixing, rough filtering, reaction precipitation, filtering and the like of the water purifying equipment through the structural improvement of the water purifying equipment, so that the drinking water purified by the water purifying device not only removes impurities and harmful substances, but also keeps the taste of the natural water. The design of the water flow path in the equipment such as mixing, rough filtering, reaction sedimentation, filtering and the like imitates the bending long flow path of mountain spring water and the conditions generated by natural mineral water, a water flow spraying micro-resistance impact area is arranged in the micro-resistance vortex pipeline mixer, the water flow spraying micro-resistance impact area is used for leading the water source water entering the micro-resistance vortex pipeline mixer to realize the instant mixing with coagulant, coagulant aid, disinfectant and the like and also realize the physical impact on the water source water, thereby realizing the natural impact on the water source water, then leading the mixed water source water to enter the rough filter, a filter body with adjustable filter holes is arranged in the rough filter, when the water source water passes through the filter body, the size adjustment of the filter body filter holes can be realized according to the water pressure, leading the water source water to pass through the rough filter through the fluctuation type, and realizing the rough filtering of large-particle impurities in the water source, meanwhile, the design of a hole-type flow path of the water source water is realized, after the water source water subjected to rough filtration enters a reaction precipitator, the flow velocity and the flow direction of the water source water are continuously changed through various reactions in a multistage coagulation reaction zone, so that the water source water not only improves the flocculation effect, but also can effectively remove suspended matters, organic matters and colloids in the water, and original mineral substances of the water source water are reserved, and meanwhile, the principle of the flow path of the spring water of Jiuqu eighteen gulf is fully utilized, so that the water source water can have a longer reaction path in the reactor; the water source water after reaction enters the automatic backwashing filter, natural filtration is carried out in the automatic backwashing filter through a filter device with the natural filtration function of purified water, impurities and harmful substances are removed from the filtered drinking water, original mineral substances can be reserved, and the taste of natural water is reserved. The water purifying device can meet the water quality purification requirements of different areas, and achieves the design purposes of generalization and naturalization.

The above embodiments are merely preferred embodiments of the present invention, and the scope of the present invention is not limited thereby. All equivalent changes in the shape and structure of the present invention are also intended to be included within the scope of the present invention.

Claims

1. A water purification unit, its characterized in that includes:

the micro-resistance vortex pipeline mixer (1) is a device which is communicated with water source water and is used for realizing instantaneous mixing of the water source water and coagulant, coagulant aid and disinfectant; and the number of the first and second groups,

the coarse filter (2) is connected with the micro-resistance vortex pipeline mixer (1) to realize interception coarse filtration of large particle impurities in a water source; and the number of the first and second groups,

the reaction precipitator (3) is communicated with the coarse filter (2) and is used for realizing coagulation reaction and flocculation precipitation, and the reaction precipitator (3) adopts an integrated multi-cavity structure; and the number of the first and second groups,

the automatic backwashing filter (4) is communicated with the reaction precipitator (3) and is used for realizing backwashing and filtering clean water;

wherein, a water flow spraying micro-resistance impact area (5) is arranged in the micro-resistance vortex pipeline mixer (1);

a filtering body (6) with adjustable filtering holes is arranged in the coarse filter (2);

a multistage coagulation reaction zone (7) is arranged in the reaction precipitator (3); a coagulation reaction system (8) for changing the flow speed and the flow direction of water is arranged in the multistage coagulation reaction zone (7);

the reaction precipitator (3) comprises an outer cavity (31), an inner cavity (32) and a precipitation cavity (33) at the bottom; wherein the bottom of the outer cavity is communicated with the bottom of the inner cavity through a perforated water distribution pipe (34);

the multistage coagulation reaction zone (7) comprises a coagulation reaction first zone (71), a coagulation reaction second zone (72) and a coagulation reaction third zone (73); the coagulation reaction system (8) is respectively arranged in a coagulation reaction first area (71), a coagulation reaction second area (72) and a coagulation reaction third area (73);

wherein, the first coagulation reaction zone (71) is arranged in the outer cavity, the second coagulation reaction zone (72) is arranged at the lower part of the inner cavity, and the third coagulation reaction zone (73) is arranged above the second coagulation reaction zone (72);

the first coagulation reaction area (71) comprises a folded plate cutting and stirring area (711) arranged at the upper part of the outer cavity and a combined filling reaction area (712) arranged at the lower part of the outer cavity; the flap cutting and stirring area (711) comprises a plurality of single-side fixed different-direction tampering flaps (713) arranged on the inner wall of the outer cavity and the outer wall of the inner cavity; the combined filler reaction zone (712) comprises hollow sphere fillers (714) and suspension sphere combined fillers (715) which are arranged in a combined mode; the heterodromous tampering folded plate (713), the hollow sphere filler (714) and the suspension sphere combined filler (715) jointly form a coagulation reaction system of a coagulation reaction first area (71);

the automatic backwashing filter (4) is provided with a filtering device (9) for realizing the natural filtering function of the purified water.

2. The water purification apparatus of claim 1, wherein:

the micro-resistance vortex pipeline mixer (1) comprises a mixer shell (11) and a micro-resistance vortex component (12) arranged inside the mixer shell (11);

the micro-resistance vortex component (12) comprises a central ceramic medicine pipe (121) and a plurality of spiral flow guide mixing bodies (122) arranged between the central ceramic medicine pipe (121) and the inner wall of the mixer shell (11);

wherein, the wall of the central ceramic drug tube (121) is provided with a plurality of inclined drug spraying pressure holes (123), each spiral diversion mixture body (122) is composed of at least two spiral diversion mixture monomers (124) made of different materials, and the spiral diversion mixture body (122) is provided with a plurality of inclined runners (125);

the inclined direction of the inclined flow channel (125) and the inclined direction of the inclined pesticide spraying pressure hole (123) form an acute included angle to form a water flow pesticide spraying micro-resistance impact area (5).

3. The water purification apparatus of claim 1, wherein: the coarse filter (2) is an adjustable coarse filter and comprises an outer shell (21) and a filter body (6) with adjustable filter holes, wherein the filter body (6) is arranged in the outer shell; wherein the content of the first and second substances,

the filter body (6) with the adjustable filter holes comprises a perforated steel plate (61) and a perforated ceramic plate (62), the perforated steel plate (61) is arranged on the water inlet side of water flow, the perforated ceramic plate (62) is rotatably connected to the perforated steel plate (61) through a rotating shaft (22), and the ceramic filter holes (63) in the perforated ceramic plate (62) and the steel plate filter holes (64) in the perforated steel plate (61) are arranged in a vertically staggered mode; the perforated ceramic plate (62) is an eccentric self-rotating body, and when water flow impacts the perforated ceramic plate, the perforated ceramic plate can swing along the rotating shaft, so that the aperture of the perforated steel plate is enlarged or reduced.

4. The water purification apparatus of claim 1, wherein: the device also comprises a settling zone (35), wherein the settling zone (35) is arranged at the upper part of the inner cavity (32) and is communicated with the settling cavity (33).

5. The water purification apparatus of claim 4, wherein: the novel reaction precipitator is characterized in that the strainer (2) is communicated with an outer cavity (31) of the reaction precipitator (3) through a water inlet pipe (10), a tangential water inlet elbow (101) is arranged on the water inlet pipe (10), the tangential water inlet elbow (101) is installed on a reaction partition plate (102), the reaction partition plate (102) is a tangential guide plate, and a plurality of holes (103) which are formed in the reaction partition plate (102) in the tangential water flowing direction of the tangential water inlet elbow are formed.

6. The water purification apparatus of claim 4, wherein: the coagulation reaction second zone (72) comprises a multi-layer grid reaction system (721) for changing the flow rate and the flow direction of water; the multilayer grid reaction system (721) comprises an eccentric swinging grid reaction system (722) and a self-rotating grid reaction system (723); the eccentric swinging grid reaction system (722) and the self-rotating grid reaction system (723) form a coagulation reaction system of a coagulation reaction second area (72); the third coagulation reaction zone (73) is a reaction zone with different-direction folded plates, wherein the different-direction folded plates (731) are a coagulation reaction system in the third coagulation reaction zone (73).

7. The water purification apparatus of claim 4, wherein: the sedimentation zone (35) is an inclined double-layer inclined tube sedimentation zone and comprises a first sedimentation zone (351) and a second sedimentation zone (352), the first sedimentation zone (351) is obliquely arranged at the upper part of the inner cavity, and inclined tubes (353) with large intervals are arranged in the first sedimentation zone (351); and a small-spacing inclined pipe module (354) opposite to the inclination direction of the first settling zone (351) is arranged in the second settling zone (352).

8. The water purification apparatus of any one of claims 1 to 7, wherein: the automatic backwashing filter (4) comprises a filter shell (41), a first filtering area (42), a second filtering area (43) and an automatic backwashing device (44); a water distribution baffle (45) communicated with the water inlet is arranged at the bottom of the filter shell (41); the first filtering area (42) and the second filtering area (43) are arranged upwards from the bottom of the filter shell (41) in sequence; the first filtering area (42) is a fiber filtering area, the second filtering area (43) is an air-permeable filtering sand area, and the air-permeable filtering sand raw material adopted by the air-permeable filtering sand area (43) adopts desert filtered sand; the filtering device (9) comprises filtering fibers in the first filtering area and air-permeable filtering sand in the second filtering area.

9. A water purification method of a water purification unit as claimed in any one of claims 1 to 8, characterized by comprising the following process steps:

5) natural filtration: firstly, the source water after coagulation reaction enters an automatic backflushing filter and firstly passes through a fiber filtering area of a first filtering area to remove suspended matters, organic matters, colloid, iron and manganese in the water; secondly, the source water enters a second filtering area through the first filtering area, the second filtering area adopts filtered water sand which is selected from desert high-quality source areas as raw materials, and the source water is filtered through natural filtered water sand in the second filtering area to obtain filtered water with the taste of the water of the natural high-quality source areas; thirdly, automatic backwashing is carried out;