Water quality purifying and filtering device

Abstract

The utility model relates to a water quality purifying and filtering device which comprises a coagulation reaction tank and a filtering mechanism, the filtering mechanism comprises a water tank, a first precipitation cavity and a filtering cavity are arranged in the water tank, the bottom of the first precipitation cavity is communicated with a blow-off pipe, the coagulation reaction tank is communicated with the first precipitation cavity through a guide pipe, and a valve is arranged on the guide pipe. The top of the first precipitation cavity is provided with a first overflow port, the first overflow port is communicated with the filtering cavity, a guide plate is arranged in the first precipitation cavity, a flocculation grid filler is arranged in the first precipitation cavity, after raw water is subjected to a coagulation reaction through the coagulation reaction tank, water is conveyed into the first precipitation cavity through a guide pipe, and the precipitation process is completed in the first precipitation cavity, in the process of conveying water to the first precipitation cavity, the water firstly passes through the flow guide plate, the water is buffered through the flow guide plate, and meanwhile, under the action of the flocculation grid filler, the vortex scale of turbulent flow is greatly reduced, so that precipitates in the water are rapidly precipitated, and the precipitation effect of the precipitates is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to water quality purification equipment technical field, concretely relates to a water quality purification filtering device. BACKGROUND

[0002] Water purification is a complex and important process, aiming at removing impurities and pollutants in water, and providing safe and clean drinking water.

[0003] Coagulation reaction treatment is an important step in water purification process, and the existing water quality purification filtering device has poor sedimentation effect of sediment, for example, Chinese patent document, publication (announcement) number: CN205710032U, discloses a filtering and settling type water quality purification device, the bottom of the water quality purification filtering cavity in the device is communicated with the settling cavity through the connecting cavity, and the sediment in the settling cavity is naturally settled, however, in the process that water flows into the settling cavity from the filtering cavity, the flowability of water is large, and the sediment is difficult to settle down, or the sedimentation time is long, and the sedimentation effect is poor. SUMMARY

[0004] The utility model aims at designing a water quality purification filtering device to solve the technical problems in the above background.

[0005] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme: a water quality purification filtering device, including coagulation reaction tank and filter mechanism, be equipped with water inlet pipe and flocculating agent injection port on the coagulation reaction tank, the filter mechanism includes water tank, be equipped with first sedimentation cavity and filter cavity in the water tank, the bottom of the first sedimentation cavity is communicated with the blowdown pipe, the bottom of the filter cavity is communicated with the water outlet pipe, the coagulation reaction tank is communicated with the first sedimentation cavity through the pipe, be equipped with the valve on the pipe, be equipped with the first overflow port at the top of the first sedimentation cavity, the first overflow port is communicated with the filter cavity, be equipped with the flow guide plate in the first sedimentation cavity, be equipped with flocculation grid packing in the first sedimentation cavity, the flocculation grid packing is fixed in the bottom of the first sedimentation cavity through the fixed part.

[0006] Further, the flocculation grid packing includes a plurality of upper and lower layered mesh grids, and each mesh grid has staggered holes.

[0007] Further, it further includes a stirrer, the stirrer includes a motor, a stirring shaft and a plurality of stirring blades, the motor is installed at the top of the coagulation reaction tank, one end of the stirring shaft is connected with the output shaft of the motor, the other end of the stirring shaft penetrates into the interior of the coagulation reaction tank and is connected with the stirring blade.

[0008] Further, each stirring blade is provided with a plurality of through holes.

[0009] Further, the flocculant injection port is connected with a spray pipe.

[0010] Further, the water tank is further provided with a second sedimentation cavity, the second sedimentation cavity is communicated with the conduit, and the top of the second sedimentation cavity is provided with a second overflow port communicated with the filter cavity.

[0011] Further, the filter cavity is provided with a filler layer, and the filler layer comprises, from top to bottom, a sponge filter screen, a fiber filter screen and an activated carbon filter screen.

[0012] Further, the filler layer is provided with a flow distribution plate above the filler layer, and the flow distribution plate is provided with a plurality of through holes.

[0013] Further, the diameters of the through holes on the flow distribution plate gradually increase along a direction away from the first overflow port and the second overflow port.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows: after the raw water is subjected to coagulation reaction by the coagulation reaction tank, the water is delivered to the first sedimentation cavity through the conduit, and the sedimentation process is completed in the first sedimentation cavity, wherein, in the process of delivering the water to the first sedimentation cavity, the water is buffered through the flow guide plate, and under the action of the flocculation grid filler, the vortex scale of turbulent flow is greatly reduced, so that the sediment in the water is rapidly precipitated, and the sedimentation effect is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a whole structure schematic view of the utility model;

[0016] Fig. 2 It is a sectional view of the utility model;

[0017] Fig. 3 It is another angle sectional view of the utility model;

[0018] The names of the components marked in the drawing are as follows: 1, coagulation reaction tank; 2, filter mechanism; 21, water tank; 22, first sedimentation cavity; 23, filter cavity; 24, blowdown pipe; 25, water outlet pipe; 26, conduit; 3, water inlet pipe; 4, flocculant injection port; 5, first overflow port; 6, flow guide plate; 7, flocculation grid filler; 8, stirrer; 81, motor; 82, stirring shaft; 83, stirring blade; 9, spray pipe; 10, second sedimentation cavity; 11, second overflow port; 12, sponge filter screen; 13, fiber filter screen; 14, activated carbon filter screen; 15, flow distribution plate. DETAILED DESCRIPTION

[0019] In order to further illustrate the technical means and effects adopted by the utility model to achieve the predetermined utility model purposes, the following will combine with the drawings and the preferred embodiments to specifically explain the concrete implementation manners, structures, features and effects of the utility model.

[0020] Embodiment: Please refer to Figs. 1-3 The water quality purification filtering device comprises a coagulation reaction tank 1 and a filtering mechanism 2, the coagulation reaction tank 1 is provided with a water inlet pipe 3 and a flocculating agent injection port 4, the filtering mechanism 2 comprises a water tank 21, the water tank 21 is provided with a top cover, the top cover can be opened to clean or overhaul the inside of the water tank 21; the water tank 21 is provided with a first sedimentation cavity 22 and a filtering cavity 23, the bottom of the first sedimentation cavity 22 is communicated with a blowdown pipe 24, the bottom of the filtering cavity 23 is communicated with a water outlet pipe 25, the coagulation reaction tank 1 is communicated with the first sedimentation cavity 22 through a conduit 26, the top of the first sedimentation cavity 22 is provided with a first overflow port 5, the first overflow port 5 is communicated with the filtering cavity 23, the first sedimentation cavity 22 is provided with a flow guide plate 6, the bottom of the first sedimentation cavity 22 is provided with a flocculation grid filler 7, the flocculation grid filler 7 is fixed on the bottom of the first sedimentation cavity 22 through a fixing piece, the fixing piece can be but is not limited to fixed in the form of a bolt, and the flocculation grid filler 7 can be quickly disassembled and assembled; raw water needing to be purified is introduced into the coagulation reaction tank 1 from the water inlet pipe 3, and a flocculating agent is added into the coagulation reaction tank 1 from the flocculating agent injection port 4, so that suspended particles in the water are gathered into larger particles, facilitating subsequent sedimentation and filtration treatment; after the flocculation reaction is completed, a valve is opened, so that water and suspended matter flow into the first sedimentation cavity 22, in the process of flowing into the first sedimentation cavity 22, the water and the suspended matter will first pass through the flow guide plate 6, the flow guide plate 6 buffers the water, at the same time, when the water flow passes through the flocculation grid filler 7, part of kinetic energy of the water flow is converted into energy for promoting collision and adhesion of particles, forming larger flocs, and due to the optimization of energy distribution by the grid structure, the flocculation process is more efficient than other types of flocculation tanks, the time required to achieve the same flocculation effect is shortened, and the sedimentation effect of the sediment is effectively improved; the sediment is deposited at the bottom of the first sedimentation cavity 22, and the water flows into the filtering cavity 23 from the first overflow port 5 at the top of the first sedimentation cavity 22, and the filtration of the water is completed in the filtering cavity 23; after the filtration is completed, the water is output from the water outlet pipe 25, and the sediment in the first sedimentation cavity 22 is discharged from the blowdown pipe 24.

[0021] In the above embodiment, the flocculation grid filler 7 comprises a plurality of mesh grids arranged in layers, and the holes of each mesh grid are staggered up and down, so that the sediment becomes more compact and easy to deposit after flowing through the mesh grid, and the sedimentation effect is further improved.

[0022] In an alternative embodiment, a stirrer 8 is further included, the stirrer 8 comprises a motor 81, a stirring shaft 82 and a plurality of stirring blades 83, the motor 81 is installed on the top of the coagulation tank 1, one end of the stirring shaft 82 is connected with the output shaft of the motor 81, the other end of the stirring shaft 82 penetrates into the inside of the coagulation tank 1 and is connected with the stirring blades 83, the stirring shaft 82 is driven to rotate by the motor 81, and the stirring blades 83 rotate in the coagulation tank 1 along with the stirring shaft 82, so as to stir the raw water and the flocculating agent, so that the raw water and the flocculating agent fully react and improve the flocculation effect.

[0023] In an alternative embodiment, a plurality of through holes are arranged on each stirring blade 83, which can reduce the water resistance and continuously make the water turbulent in the coagulation tank 1, so as to make the mixture uniform.

[0024] In an alternative embodiment, the flocculating agent injection port 4 is connected with a spray pipe 9, the flocculating agent is sprayed into the coagulation tank 1 in the form of spraying, so as to realize uniform addition of the flocculating agent and make the flocculating agent fully react with the raw water.

[0025] In an alternative embodiment, the water tank 21 is further provided with a second sedimentation chamber 10, the second sedimentation chamber 10 is also provided with the flocculation grid fillings 7, the second sedimentation chamber 10 is communicated with the conduit 26, the conduit 26 adopts a three-way pipe, each branch flow direction is provided with a valve, which can control the water flow direction, so as to make the water flow into the first sedimentation chamber 22 or the second sedimentation chamber 10, if the first sedimentation chamber 22 is full, the water inlet of the first sedimentation chamber 22 is closed by the valve, and the water inlet of the second sedimentation chamber 10 is opened, so as to make the water flow into the second sedimentation chamber 10; the top of the second sedimentation chamber 10 is provided with a second overflow port 11, the second overflow port 11 is communicated with the filter chamber 23, when the water level in the second sedimentation chamber 10 reaches a certain height, the water will flow into the filter chamber 23 from the second overflow port 11; it is worth noting that the filter nets are fixed at the first overflow port 5 and the second overflow port 11, the water is preliminarily filtered by the filter nets and then flows into the filter chamber 23; the bottom of the second sedimentation chamber 10 is also provided with a blowdown pipe 24, the first sedimentation chamber 22 and the second sedimentation chamber 10 can be alternately used, for example, if the first sedimentation chamber 22 needs to be blown down, the water inlet of the first sedimentation chamber 22 is closed by the valve, and the water inlet of the second sedimentation chamber 10 is opened, so as to introduce the water into the second sedimentation chamber 10, at this time, the first sedimentation chamber 22 can be blown down; conversely, when the second sedimentation chamber 10 is blown down, the first sedimentation chamber 22 can also normally perform the sedimentation operation.

[0026] In an alternative embodiment, the filter chamber 23 is provided with a filler layer, the filler layer comprises a sponge filter net 12, a fiber filter net 13 and an activated carbon filter net 14 arranged in sequence from top to bottom, the water is filtered by the sponge filter net 12, the fiber filter net 13 and the activated carbon filter net 14, so as to achieve the water purification effect.

[0027] In the above embodiment, the upper part of the filler layer is provided with a flow distribution plate 15, and a plurality of through holes are arranged on the flow distribution plate 15, so that the water is uniformly distributed on the filler layer through the flow distribution plate 15, thereby improving the filtering effect.

[0028] In the above embodiment, the diameters of the through holes on the flow distribution plate 15 gradually increase along the direction away from the first overflow port 5 and the second overflow port 11, and the water flow is larger on the side close to the first overflow port 5 and the second overflow port 11. By changing the diameter of the through hole, the water flow is changed, and the water is further uniformly distributed on the filler layer, thereby effectively improving the water purification effect.

[0029] The working principle of the embodiment is as follows: in use, raw water is introduced into the coagulation reaction tank 1 from the water inlet pipe 3, and a flocculating agent is added into the coagulation reaction tank 1 from the flocculating agent injection port 4, the flocculating agent is sprayed into the coagulation reaction tank 1 in the form of spraying, the motor 81 is started, and the stirring shaft 82 and the stirring blade 83 are driven to rotate by the motor 81, so as to stir the water and the flocculating agent. After the water and the flocculating agent are fully reacted, the valve is opened, the water is introduced into the first sedimentation chamber 22 or the second sedimentation chamber 10 from the conduit 26, when the liquid level reaches a certain height, the water flows into the filtering chamber 23 from the first overflow port 5 or the second overflow port 11, the water is uniformly distributed on the filler layer through the flow distribution plate 15, the water is purified and filtered through the filler layer, and after the filtering is completed, the water is output from the water outlet pipe 25; the sewage in the first sedimentation chamber 22 or the second sedimentation chamber 10 is discharged from the sewage discharge pipe 24; wherein, in the process of water being transported to the first sedimentation chamber 22, the water will first pass through the flow guide plate 6, the water is buffered through the flow guide plate 6, and at the same time, under the action of the flocculation grid filler 7, the turbulent vortex scale is greatly reduced, so that the precipitate in the water is quickly precipitated, thereby improving the sedimentation effect of the precipitate.

[0030] The above is only a preferred embodiment of the present application, and does not limit the present application in any form. Although the present application has been disclosed as above with a preferred embodiment, it is not intended to limit the present application. Any person skilled in the art can make some changes or modifications to the above-mentioned technical content without departing from the technical solution of the present application, and any equivalent embodiments with equivalent changes and modifications made on the basis of the technical essence of the present application to the above-mentioned embodiments are still within the scope of the technical solution of the present application.

Claims

1. A water purification and filtration device, characterized in that: The system includes a coagulation reaction tank (1) and a filtration mechanism (2). The coagulation reaction tank (1) is provided with an inlet pipe (3) and a flocculant injection port (4). The filtration mechanism (2) includes a water tank (21). The water tank (21) is provided with a first sedimentation chamber (22) and a filtration chamber (23). The bottom of the first sedimentation chamber (22) is connected to a drain pipe (24). The bottom of the filtration chamber (23) is connected to an outlet pipe (25). The coagulation reaction tank (1) is connected to the first sedimentation chamber (22) through a conduit (26). The conduit (26) is provided with a valve. The top of the first sedimentation chamber (22) is provided with a first overflow port (5). The first overflow port (5) is connected to the filtration chamber (23). The first sedimentation chamber (22) is provided with a guide plate (6). The first sedimentation chamber (22) is provided with a flocculation mesh packing (7). The flocculation mesh packing (7) is fixed to the bottom of the first sedimentation chamber (22) by a fixing member.

2. The water purification and filtration device according to claim 1, characterized in that: The flocculation mesh filler (7) includes multiple meshes arranged in upper and lower layers, with each mesh having staggered openings.

3. The water purification and filtration device according to claim 1, characterized in that: It also includes a stirrer (8), which includes a motor (81), a stirring shaft (82) and multiple stirring blades (83). The motor (81) is installed on the top of the coagulation reaction tank (1). One end of the stirring shaft (82) is connected to the output shaft of the motor (81), and the other end of the stirring shaft (82) penetrates into the interior of the coagulation reaction tank (1) and is connected to the stirring blades (83).

4. The water purification and filtration device according to claim 3, characterized in that: Each of the stirring blades (83) is provided with several through holes.

5. The water purification and filtration device according to claim 1, characterized in that: The flocculant injection port (4) is connected to a nozzle (9).

6. The water purification and filtration device according to claim 1, characterized in that: The water tank (21) is also provided with a second sedimentation chamber (10), which is connected to the conduit (26). The top of the second sedimentation chamber (10) is provided with a second overflow port (11), which is connected to the filter chamber (23).

7. The water purification and filtration device according to claim 6, characterized in that: The filter chamber (23) is provided with a packing layer, which includes a sponge filter (12), a fiber filter (13) and an activated carbon filter (14) arranged from top to bottom.

8. The water purification and filtration device according to claim 7, characterized in that: A flow divider plate (15) is provided above the filler layer, and the flow divider plate (15) has several through holes.

9. The water purification and filtration device according to claim 8, characterized in that: The diameter of the through holes on the diverter plate (15) increases sequentially in the direction away from the first overflow port (5) and the second overflow port (11).

Images