CN218786563U - Flocculation device and ultrafiltration membrane water purification system thereof - Google Patents

Abstract

The utility model relates to a purifier field, more specifically relates to a flocculation device and milipore filter water purification system thereof, including flocculation water inlet, flocculation cell body, flocculation delivery port, including a plurality of cavitys that communicate in proper order in the flocculation cell body, divide into hybrid chamber and a plurality of flocculation chamber, flocculation water inlet and hybrid chamber intercommunication, flocculation delivery port and terminal cavity intercommunication separate through the baffle that is equipped with the through-hole between two adjacent cavitys in proper order, are equipped with a plurality of perforation guide plates between the through-hole of two adjacent baffles. The device makes the contact reaction of sewage and flocculating agent more abundant even through setting up the perforation guide plate, has improved the flocculating constituent formation speed, has improved flocculation efficiency, has strengthened the stability that flocculation in-process sewage flows simultaneously, has improved the flocculating constituent quality, has reduced the pressure of follow-up purification process.

Description

Flocculation device and ultrafiltration membrane water purification system thereof

Technical Field

The utility model relates to a purifier field, more specifically relates to a flocculation device and milipore filter water purification system thereof.

Background

The reclaimed water is also called as 'reclaimed water', the water quality of the reclaimed water is between that of tap water and sewage, the reclaimed water cannot be directly drunk, but the reclaimed water can be used in occasions with low water quality requirements and without direct contact with human bodies, such as household toilet flushing, automobile flushing, green plant irrigation, fire fighting and fire extinguishing and other scenes. Along with the continuous development of economy, the water consumption of China is continuously increased, the generation amount of sewage is also increased, and under the condition that fresh water resources are deficient, the water resource recycling is particularly important. The recycling of reclaimed water has great significance for reducing the use of fresh water and reducing environmental pollution.

The device is characterized by comprising a raw water tank, a flocculation barrel, an ultrafiltration membrane pool and a water production tank, wherein the raw water is flocculated in a process flocculation mode, and flows into the ultrafiltration membrane pool for filtration treatment after being flocculated in the flocculation barrel. After the flocculating agent is mixed with the sewage, the flocculation reaction process in the flocculation barrel only depends on sewage flow and the dispersion movement of the flocculating agent to be gradually carried out, the condition that the local flocculation reaction effect is poor due to insufficient contact of the sewage and the flocculating agent can occur, the flocculation rate of impurity particles in the flocculation barrel is low, and the flocculation efficiency is low. Meanwhile, the flowing state of the sewage is changed due to the temperature and the density of the sewage, the stable state of the water flow in the flocculation barrel is damaged, the contact reaction of the sewage and a flocculating agent is influenced, and the quality of flocs is influenced.

SUMMERY OF THE UTILITY MODEL

The problem of the flocculation reaction inefficiency that appears to the aforesaid now and the floc quality is poor, the utility model aims to solve the technical problem that a flocculation and milipore filter water purification system is provided, make the contact reaction of sewage and flocculating agent more abundant even, improved floc formation speed, improved flocculation efficiency, strengthened the stability that flocculation in-process sewage flowed simultaneously, improved the floc quality, reduced the pressure of follow-up purification process.

In order to solve the technical problem, the utility model discloses a technical scheme is:

the utility model provides a flocculation device, including flocculation water inlet, flocculation cell body, flocculation delivery port, its characterized in that includes a plurality of cavitys that communicate in proper order in the flocculation cell body, divide into mixing chamber and a plurality of flocculation chamber, and flocculation water inlet and mixing chamber intercommunication, flocculation delivery port and terminal cavity intercommunication separate through the baffle that is equipped with the through-hole between two adjacent cavitys in proper order, are equipped with a plurality of perforation guide plates between the through-hole of two adjacent baffles.

Preferably, when the flocculation cell body divide into a mixing chamber and a flocculation chamber, sewage at first flows into the mixing chamber through the flocculation water inlet and mixes with the flocculating agent in, flows into the flocculation chamber from the mixing chamber afterwards, and rivers are through the perforation guide plate of flocculation intracavity, flow out from the flocculation delivery port through the flocculation chamber at last. When the mixed water body of flocculating agent and sewage flows through the perforation guide plate in the flocculation intracavity, the perforation guide plate plays the cushioning effect to rivers, has cushioned the velocity of flow of rivers, and flocculation in-process flow stability obtains the reinforcing. Because rivers have the velocity difference around through the perforation guide plate, the velocity of flow behind the perforation guide plate is less than the velocity of flow before the perforation guide plate, and tiny swirl forms, and relative motion takes place for the granule in the laminar flow, and the diffusion and the collision probability between the granule improve, and the flocculation reaction is more abundant, and reaction rate and efficiency obtain improving. The floc grows up gradually in a low-speed stable flowing state, when the floc grows to a certain degree, the floc with low compactness is crushed under the action of the micro-vortex, and is condensed into the floc with higher compactness again after being crushed, so that the quality of the floc is improved.

Wherein, if the flocculation chamber is provided with a plurality ofly, sewage at first flows into the mixing chamber through the flocculation water inlet and mixes with the flocculating agent in, flows into first flocculation chamber from the mixing chamber afterwards, and rivers flow into next flocculation chamber after passing the perforation guide plate of first flocculation intracavity, and the perforation guide plate of this flocculation intracavity of rethread is up to flowing out from the last flocculation chamber with flocculation delivery port intercommunication. The setting up of a plurality of cavitys has increased the quantity of perforation guide plate, and the rivers are in the flocculation in-process through the perforation guide plate of blocking, all take place the same reaction when flowing through every perforation guide plate, and this has further improved the buffering effect to rivers, has strengthened the interference killing feature of rivers, and the diffusion and the collision probability between the granule improve greatly, and flocculation reaction rate and efficiency also further obtain improving.

Preferably, when each cavity communicates in proper order, is the straight line type and distributes, rivers get into through the flocculation water inlet, and each flocculation chamber is flowed through to the follow mixing chamber straight line again, and the delivery port that flocculates flows out at last.

Wherein, if every cavity communicates in proper order, is rectangle array distribution, this kind of flowing water access structure has increased the turn number of times of rivers, and the rivers are at every turn in-process, and the speed direction takes place the sudden change, and the disorder degree of impurity granule promotes, and the collision probability of impurity granule also obtains improving, has further strengthened flocculation, has improved the volume utilization ratio in flocculation basin.

Preferably, a plurality of flow guide through holes are formed in the perforated flow guide plate. A plurality of water conservancy diversion through-holes can produce the swirl of more quantity, and the granule collision probability is bigger, is favorable to improving the flocculation speed.

Preferably, the cavity still includes the unhurried current chamber, unhurried current chamber and terminal flocculation chamber intercommunication, flocculation delivery port and unhurried current chamber intercommunication. The flow velocity of the water flow is gradually stabilized in the slow flow cavity, and the stable water flow output is ensured.

Preferably, a mechanical stirrer is arranged in the mixing cavity of the flocculation tank. The mechanical stirring and the water conservancy stirring are combined, so that the mixing of raw water and a flocculating agent is accelerated, and the flocculation is quicker and more efficient.

The utility model also provides an ultrafiltration membrane clean system, including former pond, intake pump, PAC pond, flocculation portion, ultrafiltration membrane pond, aeration equipment, play water pump and clean water basin, the ultrafiltration membrane pond is including filtering cell body, sewage water inlet, water purification delivery port and ultrafiltration membrane subassembly, and the ultrafiltration membrane subassembly includes the milipore filter. The former pond with intake pump one end is connected, the intake pump other end with the flocculation water inlet is connected, the flocculation delivery port with the sewage water inlet is connected, aeration equipment with the ultrafiltration membrane pond is connected, the ultrafiltration membrane pond with delivery pump one end is connected, the delivery pump other end with the clean water basin is connected, flocculation portion is foretell flocculation device.

The raw water tank is filled with sewage, under the action of a water inlet pump, the sewage flows into the flocculation part from the raw water tank through a flocculation water inlet, meanwhile, a flocculating agent in the PAC tank is added into the flocculation part to be mixed with the sewage, the flocculating agent adsorbs particles in the sewage and bridges the particles to form flocs, the flocculated sewage flows into the filtering tank body and submerges the whole filtering tank body, large particles are deposited at the bottom of the filtering tank body, small particles are attached to the outer surface of the ultrafiltration membrane component, in the water purifying process, the aeration device is started regularly, the sediments on the outer surface of the ultrafiltration membrane component are washed away by aerating the ultrafiltration membrane component, and the water passing through the ultrafiltration membrane component is sucked out through a purified water outlet and flows into the clean water tank under the action of the water outlet pump.

Preferably, the aeration device comprises a solar power supply device, an aeration pump and an aeration strip, the solar power supply device is electrically connected with the aeration pump, the aeration pump is connected with the aeration strip through a hose, and the aeration strip is arranged at the bottom of the ultrafiltration membrane tank. The solar energy power supply and storage mode is used for providing electric energy for the aeration action, the electric energy is transmitted to the aeration pump through the transformer and provides the electric energy for the aeration action, the cost and the fund are saved to a certain extent, the solar energy device can store energy and can meet the requirement under the special condition conveniently, and the operation and the maintenance are simple and convenient.

Preferably, a plurality of air holes are formed in the aeration strip and face the bottom of the filtering tank body. The plurality of air holes can generate more micro-bubbles, so that the contact time of the bubbles and the outer surface of the filter membrane is prolonged, the washing efficiency of the outer surface of the ultrafiltration membrane component is improved, and the flux of the filter membrane is improved. The bubbles face the bottom of the filter tank body, so that deposited flocs can be prevented from blocking air holes, and the cleaning of the aeration strips is facilitated.

Preferably, the aeration device is provided with a check valve and an airflow controller, one end of the airflow controller is connected with the aeration strip through a hose, the other end of the airflow controller is connected with one end of the check valve through a hose, and the other end of the check valve is connected with the aeration pump through a hose. The check valve ensures that gas flows to the aeration strip from the aeration pump in a one-way in the aeration process, and the gas flow is regulated by controlling the gas flow controller.

Preferably, the ultrafiltration membrane component forms a cavity, the purified water outlet is arranged on the cavity, and the cavity is communicated with the clean water tank through the purified water outlet.

Preferably, the ultrafiltration membrane is a ceramic material. Compared with the existing low-pressure organic filter membrane, the ceramic ultrafiltration membrane is easy to clean and has higher anti-sewage impact performance, and a microbial layer can be formed on the outer surface of the ceramic ultrafiltration membrane to biodegrade pollutants, so that the water purification effect is further improved. The cavity shape increases the contact area between the filter membrane and the sewage and improves the water purification efficiency.

The utility model discloses a beneficial effect of production does:

through setting up the perforation guide plate, slow down the interference of the sewage that newly gets into flocculation portion to the internal flow state of flocculation portion, reinforcing water flow stability has improved the floc quality, has reduced the pressure of follow-up purification process. The micro vortex generated when water flow passes through the perforated guide plate increases the collision probability among particles, the contact reaction of sewage and a flocculating agent is more sufficient and uniform, and the flocculation reaction strength and efficiency are improved.

Drawings

FIG. 1 is a schematic structural view of a flocculation apparatus of the present invention;

FIG. 2 is a schematic structural view of the cavity and the through hole of the flocculation device of the present invention;

FIG. 3 is a schematic structural view of an ultrafiltration membrane water purification system of the present invention;

FIG. 4 is a schematic structural view of the solar power supply device and the aeration device of the present invention;

fig. 5 is a schematic structural diagram of the ultrafiltration membrane tank of the present invention.

In the drawings: 1-flocculation water inlet; 101-a separator; 1011-a first separator; 1012-a second separator; 1013-a third separator; 1014-a fourth diaphragm; 102-a perforated deflector; 1021-a first perforated baffle; 1022 — a second perforated deflector; 1023-a third perforated baffle; 103-a closed separator; 104-a through hole; 1041-a first via; 1042 — a second via; 1043-a third via; 1044-fourth vias; 105-a flocculation chamber; 1051-a first flocculation chamber; 1052-a second flocculation chamber; 1053-a third flocculation chamber; 106-a lumen for slow flow; 107-mechanical stirrer; 108-a mixing chamber; 2-a flocculation tank body; 3-flocculation water outlet; 4-raw water pool; 5-a water inlet pump; 6-PAC pool; 7-a flocculation section; 8-ultrafiltration membrane tank; 801-ultrafiltration membrane module; 802-a filtration tank body; 803-sewage inlet; 804-a purified water outlet; 805-ultrafiltration membranes; 806-pressure gauge; 807-a mud valve; 808-an air inlet; 9-an aeration device; 901-solar power supply; 902-an aeration pump; 903-check valve; 904-air flow controller; 905-aeration bar; 10-water outlet pump; 11-clean water tank.

Detailed Description

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are the terms "upper", "lower", "left", "right", "long", "short", etc. indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore the terms describing the positional relationship in the drawings are only for illustrative purposes and are not to be construed as limiting the present patent, and those skilled in the art will understand the specific meaning of the terms according to their specific circumstances.

The technical solution of the present invention is further described in detail by the following specific embodiments in combination with the accompanying drawings:

example 1

As shown in fig. 1 and 2, embodiment 1 of a flocculation apparatus includes a flocculation water inlet 1, a flocculation tank 2, a flocculation water outlet 3, the flocculation tank 2 includes a plurality of cavities that communicate in proper order, and is divided into a mixing chamber 108 and three flocculation chambers 105, the mixing chamber 108 is consistent with each flocculation chamber in size and shape, two adjacent flocculation chambers in proper order are separated by a partition plate 101 provided with a through hole 104, each partition plate is provided with a through hole 104, which is a first through hole 1041, a second through hole 1042, a third through hole 1043, a fourth through hole 1044, the first through hole 1041 is at the upper end of the first partition plate, the second through hole 1042 is at the lower end of the second partition plate 1012, and the third through hole 1043 is at the upper end 1013 of the third partition plate. The mixing chamber 108 is separated from the third flocculation chamber 1053 by a closed partition 103, and a perforated baffle plate 102, which is a first perforated baffle plate 1021, a second perforated baffle plate 1022 and a third perforated baffle plate 1023, is arranged in the middle of each of the three flocculation chambers. The edge of each perforated guide plate 102 is tightly abutted with the wall of the corresponding flocculation cavity 105, and is fixed in the middle of the flocculation cavity 105 to symmetrically and evenly divide the flocculation cavity 105.

In this embodiment, each cavity is sequentially communicated and distributed in a rectangular array. The structure can improve the disorder degree of particles in water flow, further improve the flocculation reaction degree and improve the volume utilization rate of the flocculation part 7.

The working principle or flow of the embodiment is as follows: sewage firstly flows into the mixing chamber 108 through the flocculation water inlet 1 to be mixed with a flocculating agent, then flows into the first flocculation chamber 1051 through the turn from the mixing chamber 108, flows into the second flocculation chamber 1052 through the turn after passing through the first perforation guide plate 1021 in the first flocculation chamber 1051, then flows into the second flocculation chamber 1052 through the turn, and flows out through the flocculation water outlet 3 through the second perforation guide plate 1022 in the second flocculation chamber 1052, and flows into the third flocculation chamber 1053 through the turn, and passes through the third perforation guide plate 1023. When the mixed water body of flocculating agent and sewage flows through perforation guide plate 102, perforation guide plate 102 plays the cushioning effect to rivers, has cushioned the velocity of flow of rivers, and the water flow stability is strengthened among the flocculation process. Because the water flow has the flow velocity difference before and after passing through the perforated guide plate 102, the flow velocity of the water flow passing through the perforated guide plate 102 is lower than that before passing through the perforated guide plate 102, micro vortexes are formed, particles in laminar flow generate relative motion, the diffusion and collision probability among the particles is greatly improved, the flocculation reaction is more sufficient, and the particles are bridged into larger flocs. The same reaction occurs when the water flows through the perforated guide plate 102 of each flocculation cavity, the buffering effect on the water flow is improved, the quantity of generated vortexes is increased, and the flocculation reaction rate and efficiency are greatly improved. The turning can occur when the water flow flowing in the matrix type flow passage sequentially flows into a new cavity, the speed direction of the water flow is suddenly changed in the turning process at each time, the disorder degree of the impurity particles is improved, the collision probability of the impurity particles is also improved, and the flocculation reaction is further enhanced. The water flow flocs grow gradually in a relatively low-speed stable flowing state, when the flocs grow to a certain degree, the flocs with low compactness are crushed under the action of the micro-vortex, and are condensed into flocs with higher compactness again after being crushed, so that the floc quality is improved.

The beneficial effects of this embodiment: by arranging the perforated guide plate, the interference of the sewage newly entering the flocculation device on the state of the water flowing in the flocculation device is relieved, the stability of the water flow is enhanced, the micro vortex generated when the water flow passes through the perforated guide plate increases the collision probability among particles, and the flocculation reaction strength is improved; the cavity arrangement in the flocculation device is set to be rectangular array, the turning times of water flow are increased, the particle diffusion and collision are more obvious, the flocculation reaction is more sufficient, and the flocculation reaction rate is improved.

Example 2

An embodiment 2 of a flocculation apparatus is different from the embodiment 1 in that, as shown in fig. 1 and 2, a perforated flow guide plate 102 is provided with a plurality of flow guide through holes. Specifically, the flow guiding through holes are uniformly distributed on the perforated flow guiding plate 102 in an array manner.

In order to ensure a more stable water outlet speed and flow, the cavity in this embodiment further includes a slow flow cavity 116, the slow flow cavity 116 is communicated with the third flocculation cavity 1053 through the fourth through hole 1044, and the flocculation water outlet 3 is communicated with the slow flow cavity 116. Specifically, the flocculation water outlet 3 is arranged at the top end of the slow flow cavity 116, and water flows into the slow flow cavity 116 from the third flocculation cavity 1053 and is gradually stabilized when flowing through the slow flow cavity 116.

In order to improve the mixing rate and mixing degree of the sewage and the flocculating agent, a mechanical stirrer 107 is arranged in the mixing cavity of the flocculation tank. As shown in figure 1, the mechanical stirrer 107 is a two-blade propeller stirrer, when the two-blade propeller stirrer is used, the rotating blades force the water flow to move axially, the sewage and the coagulant are fully circulated and mixed, and the mode of combining mechanical stirring and water conservancy stirring accelerates the mixing of the sewage and the flocculant, so that the flocculation reaction efficiency is improved.

The working principle or flow of the embodiment is as follows: during implementation, a flocculating agent and sewage enter the mixing cavity 108 together, the mechanical stirrer 107 is started, two rotating blades rotated by the mechanical stirrer 107 force the water flow to move axially, the sewage and the flocculating agent are fully circulated and mixed, and then the sewage and the flocculating agent enter the flocculation cavity 105 through the mixing cavity 108. The water flow flowing out of the flocculation cavity 105 enters the slow flow cavity 116 through the fourth through hole 1044 on the fourth partition 1114, the water flow is further stabilized, and then flows out of the flocculation water outlet 3 at the top end of the slow flow cavity 116, so that stable water flow output is ensured.

The beneficial effects of this example compared to example 1: further improve the flocculation degree, through setting up the stability that the unhurried current chamber improved out water, mechanical agitator combines the water conservancy to provide power for the diffusion of flocculating agent and sewage is mixed, improves flocculation reaction efficiency, improves flocculation device's volume utilization ratio.

Other features, operation principles and advantageous effects of the present embodiment are consistent with embodiment 1.

Example 3

Fig. 3 shows an embodiment 1 of ultrafiltration membrane water purification, which includes a raw water tank 4, a water inlet pump 5, a PAC tank 6, a flocculation portion 7, an ultrafiltration membrane tank 8, an aeration device 9, a water outlet pump 10, and a clean water tank 11, wherein the ultrafiltration membrane tank 8 includes an ultrafiltration membrane module 801, a filtration tank body 802, a sewage inlet 803, and a clean water outlet 804, the ultrafiltration membrane module 801 includes an ultrafiltration membrane 805, the raw water tank 4 is connected to one end of the water inlet pump 5, the other end of the water inlet pump 5 is connected to the flocculation water inlet 1, the flocculation water outlet 3 is connected to the sewage inlet 803, the aeration device 9 is connected to the ultrafiltration membrane tank 8, the ultrafiltration membrane tank 8 is connected to one end of the water outlet pump 10, the other end of the water outlet pump 10 is connected to the clean water tank 11, the flocculation portion 7 is the flocculation device of embodiment 1 or 2, and an arrow in the figure points to a flow direction of water flow or air flow.

Specifically, in order to reduce the occupied area, the ultrafiltration membrane water purification system adopts an integrated structure, the raw water tank 2, the flocculation part 7, the purified water outlet 804 and the clean water tank 11 are sequentially arranged from top to bottom along the gravity direction, each part has a height difference, water flows from top to bottom step by step, the gravity and the gravitational potential energy of water are utilized, the water flow power is enhanced, and the energy is saved.

Specifically, referring to fig. 4, the aeration device 9 includes a solar power supply 901, an aeration pump 902, and an aeration strip 905, the solar power supply 901 is electrically connected to the aeration pump 902, the aeration pump 902 is connected to the aeration strip 905 through a hose, and the aeration strip 905 is installed at the bottom of the ultrafiltration membrane tank 8. The solar power supply device 61 converts solar energy into electric energy, stores the electric energy in a storage battery, and boosts the voltage of the electric energy through a transformer to supply the electric energy to the aeration pump 902. Under the control of aeration pump 902, the gas of aeration bar 905 flushes ultrafiltration membrane module 801, and sludge attached to the outer surface of ultrafiltration membrane module 801 becomes loose and deposits downward.

Specifically, as shown in fig. 5, the aeration strip 905 is provided with a plurality of air holes, and the air holes face the bottom of the ultrafiltration membrane tank 8. The arrangement of the air holes enables air bubbles generated by the air outlet to be smaller, the action time of the air bubbles and the outer surface of the ultrafiltration membrane component 805 is prolonged, the cleaning force on the outer surface of the ultrafiltration membrane component 801 is increased, and the flux of the ultrafiltration membrane is improved. The air hole is arranged downwards, so that a large amount of impurities in sewage can be prevented from blocking the air hole, the non-uniform aeration is avoided, and the service life of the device can be prolonged.

Specifically, the aeration device 9 is provided with a check valve 903 and an air flow controller 904, the bottom end of one side surface of the ultrafiltration membrane tank 8 is provided with an air inlet 808, the air inlet 808 is arranged at the bottom end of one side surface of the ultrafiltration membrane tank 8, the air flow controller 904 is connected with an aeration strip 905 through a hose penetrating through the air inlet 808, one end of the check valve 903 is connected with the air flow controller 904 through a hose, and the other end of the check valve 903 is connected with the aeration pump 902 through a hose. Check valve 903 ensures that the gas flows from aeration pump 902 to aeration bar 905 in one way during the aeration process, so as to avoid backflow during the aeration process, and the gas flow is adjusted by controlling gas flow controller 904.

The working principle or flow of the embodiment is as follows: 4 splendid attire sewage in former pond, under the effect of intake pump 5, sewage is by 4 inflow flocculation portion 7 in former pond, and the flocculating agent in PAC pond 6 is added in the flocculation portion 7 and is mixed with sewage simultaneously, and the flocculating agent adsorbs and bridges into the floc to the granule in the sewage, and sewage after the flocculation treatment flows into ultrafiltration membrane tank 8 through sewage water inlet 803, and the large granule deposits 8 bottoms in ultrafiltration membrane tank, and the tiny particle is attached to ultrafiltration membrane component 801 surface. The output voltage range of the solar power supply device 901 is 18-48V, the output voltage range of the direct-current stabilized power supply is 0-48V, and the output current range is 0-3A. In the water purification process, the solar power supply device 901 provides electric energy for the aeration device 9, the aeration device 9 is periodically started, the aeration pump 902 pumps air and transmits the air to the aeration strips 905 through the hose, wherein the air flow is 100L/h, the air flows to the aeration strips 905 from the aeration pump 902 in a one-way mode under the action of the check valve 903 and is exposed from the air holes of the aeration strips 905, the generated small bubble groups flow upwards from the bottom of the ultrafiltration membrane pool 8 and impact the outer surface of the ultrafiltration membrane module 801 to wash down the attachments on the outer surface of the ultrafiltration membrane module 801, and the water filtered by the ultrafiltration membrane 805 flows into the clean water pool 11 through the clean water outlet 804 under the action of the water pump 7.

The beneficial effect of this embodiment does: the integrated structure is adopted, the floor area of the device is reduced, all stages in the ultrafiltration membrane water purification system are arranged from top to bottom, the flow power of water is enhanced by utilizing the gravitational potential energy of the water, and the energy is saved; the solar device is used for providing electric energy for aeration action, so that energy and cost funds are saved; the outer surface of the ultrafiltration membrane is washed by the aeration strips, so that the cleaning force is increased, the flux of the ultrafiltration membrane is improved, and the service life of the ultrafiltration membrane is prolonged.

Other features, operation principles, and advantageous effects of the present embodiment are consistent with embodiment 2.

Example 4

An embodiment 2 of ultrafiltration membrane water purification is based on an embodiment 1 of ultrafiltration membrane water purification, and the difference lies in that, as shown in fig. 3 and fig. 5, an ultrafiltration membrane tank 8 further includes a pressure gauge 806, one end of the pressure gauge 806 is connected with a purified water outlet 804, the other end of the pressure gauge 806 is connected with a water outlet pump 10, two symmetrically distributed sludge discharge ports are arranged at the bottom of a filtration tank body 802, a sludge discharge valve 807 is mounted on each sludge discharge port, an ultrafiltration membrane module 801 forms a cavity, the purified water outlet 804 is arranged on the cavity, the cavity is communicated with a purified water tank 11 through the purified water outlet 804, and an ultrafiltration membrane 805 is made of a ceramic material. The arrows in the figure point in the direction of the water or air flow.

The working principle or flow of the embodiment is as follows: the sewage after flocculation treatment flows into a filtering tank body 802, the whole filtering tank body 802 is immersed, sewage floc and sewage particles are deposited on the outer surface of an ultrafiltration membrane 805, purified water enters a cavity through the ultrafiltration membrane 805, large-volume sewage is deposited at the bottom of the filtering tank body 802 firstly, small particles are attached to the outer surface of an ultrafiltration membrane assembly 801, when the outer surface of the ultrafiltration membrane assembly 801 is covered by a large number of attachments, the indication of a pressure gauge 806 is obviously changed, an aeration pump 902 is started to expose compressed air through air holes of aeration strips 905, the small particles attached to the outer surface of the ultrafiltration membrane assembly 801 are washed away by a large number of air bubbles generated by the aeration strips 905, and the particles are deposited at the bottom of the tank body 53 together. The sludge is discharged by opening the sludge discharge valve 807, and under the action of the water outlet pump 8, the purified water filtered by the ultrafiltration membrane 805 flows into the clean water tank 11 through the purified water outlet 804 on the ultrafiltration membrane module 801.

The beneficial effect of this embodiment does: compared with the existing low-pressure organic filter membrane, the used ceramic ultrafiltration membrane is easy to clean and has higher anti-water impact performance, and a microbial layer can be formed on the outer surface of the ceramic ultrafiltration membrane to biodegrade pollutants, so that the water purification effect is further improved. The cavity that the milipore filter subassembly was constituteed is favorable to increasing the area of contact of milipore filter and sewage, has improved water purification efficiency, through setting up the mud discharge mouth, conveniently regularly carries out blowdown processing to the milipore filter pond, convenient maintenance.

Other features, operation principles, and advantageous effects of the present embodiment are consistent with embodiment 3.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. This need not be, nor should it be exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. The utility model provides a flocculation device, including flocculation water inlet (1), flocculation cell body (2), flocculation delivery port (3), a serial communication port, including a plurality of cavities that communicate in proper order in the flocculation cell body (2), divide into mixing chamber (108) and a plurality of flocculation chamber (105), flocculation water inlet (1) and mixing chamber (108) intercommunication, flocculation delivery port (3) and terminal cavity intercommunication separate through baffle (101) that are equipped with through-hole (104) between two adjacent cavities in proper order, be equipped with a plurality of perforation guide plate (112) between through-hole (104) of two adjacent baffles.

2. A flocculation apparatus as claimed in claim 1 wherein each chamber is in communication with each other in a rectangular array.

3. A flocculation apparatus according to claim 1 or 2, wherein a plurality of flow directing through holes are provided in the perforated flow baffle (112).

4. A flocculation apparatus according to claim 3, wherein the chamber further comprises a buffer chamber (116), the buffer chamber (116) is in communication with the flocculation chamber at the end, and the flocculation water outlet (3) is in communication with the buffer chamber (116).

5. A flocculation apparatus according to claim 4, wherein a mechanical agitator (107) is provided in the mixing chamber (108).

6. An ultrafiltration membrane water purification system comprises a raw water tank (4), a water inlet pump (5), a PAC (6), a flocculation part (7), an ultrafiltration membrane tank (8), an aeration device (9), a water outlet pump (10) and a clean water tank (11), wherein the ultrafiltration membrane tank (8) comprises an ultrafiltration membrane component (801), a filtration tank body (802), a sewage water inlet (803) and a clean water outlet (804), the ultrafiltration membrane component (801) comprises an ultrafiltration membrane (805), the raw water tank (4) is connected with one end of the water inlet pump (5), the other end of the water inlet pump (5) is connected with the water inlet of the flocculation part (7), the water outlet of the flocculation part (7) is connected with the sewage water inlet (803), the aeration device (9) is connected with the ultrafiltration membrane tank (8), the ultrafiltration membrane tank (8) is connected with one end of the water outlet pump (10), the other end of the water outlet pump (10) is connected with the clean water tank (11), and the flocculation device is characterized in that the flocculation part (7) is any one of claims 1-5.

7. The ultrafiltration membrane water purification system according to claim 6, wherein the aeration device (9) comprises a solar power supply device (901), an aeration pump (902) and an aeration strip (905), the solar power supply device (901) is electrically connected with the aeration pump (902), the aeration pump (902) is connected with the aeration strip (905) through a hose, and the aeration strip (905) is installed at the bottom of the ultrafiltration membrane tank (8).

8. The ultrafiltration membrane water purification system of claim 7, wherein the aeration strip (905) is provided with a plurality of air holes, and the air holes face the bottom of the filtration tank body (802).

9. The ultrafiltration membrane water purification system according to claim 6, wherein the aeration device (9) is provided with a check valve (903) and an air flow controller (904), one end of the air flow controller (904) is connected with an aeration strip (905) through a hose, the other end of the air flow controller (904) is connected with one end of the check valve (903) through a hose, and the other end of the check valve (903) is connected with the aeration pump (902) through a hose.

10. Ultrafiltration membrane water purification system according to any one of claims 6-8, wherein said ultrafiltration membrane module (801) constitutes a cavity, said purified water outlet (804) is provided on said cavity, and said cavity is communicated with said purified water tank (11) through said purified water outlet (804).

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