CN209286744U

CN209286744U - Shallow-layer sand filtration system

Info

Publication number: CN209286744U
Application number: CN201822096999.0U
Authority: CN
Inventors: 林龙周
Original assignee: Guangdong Hengtian Filtration Equipment Co Ltd
Current assignee: Guangdong Hengtian Filtration Equipment Co Ltd
Priority date: 2018-12-13
Filing date: 2018-12-13
Publication date: 2019-08-23
Anticipated expiration: 2028-12-13

Abstract

The utility model provides a kind of shallow-layer sand filtration system, including the first tank body and the second tank body, and the first tank body and the second tank body mutually fasten, inside forms the cavity for installing filter assemblies；Filter assemblies include the first box body and the second box body mutually fastened, first box body and the second box body are made of air stone, first tray interior is from top to bottom filled with the first layer of sand and the first cotton layer, and the second tray interior has been sequentially filled the second layer of sand and the second cotton layer from the bottom to top；Second inner tank wall is equipped with the second fixed ring, and the first box body is placed in the first tank body, and inner wall of the outer wall of the first box body and the second box body with cavity offsets；It uses dismountable tank structure, facilitates the installation, maintenance and replacement of inner body, to extend the service life of filter；And filler material carries out package processing, facilitates the installation and replacement of filler material, high-pressure flush carries out agitation rolling to layer of sand, and washing time is short, and cleaning efficiency is high, can keep prolonged effectively filtering.

Description

Shallow-layer sand filtration system

Technical field

The utility model relates to water treatment fields, more particularly to a kind of shallow-layer sand filtration system.

Background technique

Shallow-sand filter, the full-automatic shallow-sand filter of alias are used for general water purification water, cooling circulating water, swimming Pond, landscape recirculated water, sea water filter, waste water filtering etc..Shallow-sand filter is a kind of media filtration system, is removed using medium Various suspended matters, microorganism and other subparticles in water are finally reached the one kind for reducing water turbidity, the effect that purifies water Advanced filter plant.Common filtrate has quartz, active carbon, anthracite, manganese sand etc..Extensive utilization to agricultural irrigation, chemical industry, The every profession and trades such as petroleum, metallurgy.

Shallow-sand filter is one kind of medium filter, it is made of multiple standard high speed sand cylinder units, inside set There are water distributor, collecting system and the layer of sand for being filled in filter bottom, traditional filter tank body is structure as a whole, it has not been convenient to Installation, maintenance and the replacement of internal water distributor and collecting system；And the filler material in layer of sand in shot shape, can not disposable whole Body discharge, causes the replacement and inconvenience of filler material.

Utility model content

In order to overcome the drawbacks of the prior art, the technical problem to be solved by the utility model is to propose a kind of shallow-layer sand Filtration system, structure novel facilitate the installation, maintenance and replacement of inner body, using dismountable tank structure to prolong The service life of long filter；And package processing is carried out to filler material, facilitate the installation and replacement of filler material, high-pressure flush is to sand Layer carries out agitation rolling, and washing time is short, and cleaning efficiency is high, can keep prolonged effective filter effect.

For this purpose, the following technical solution is employed for the utility model:

The utility model provides a kind of shallow-layer sand filtration system, including the first tank body and the second tank body, first tank Body is located at the top of second tank body, and first tank base is opened wide, the top of second tank body is opened wide, and described first The bottom sidewall of tank body, the top sidewall of second tank body are fixed with ring flange, and two ring flanges are solid by bolt Fixed connection, first tank body and second tank body mutually fasten, inside forms the cavity for installing filter assemblies；

The filter assemblies include the first box body and the second box body of column structure, and first box body is located at described second The top of box body, the first box body bottom-open, the second box body top are opened wide, first box body and second box Body is mutually fastened and is fixedly connected；First box body and second box body are made of air stone, in first box body Portion is from top to bottom filled with the first layer of sand and the first cotton layer, second tray interior have been sequentially filled the second layer of sand from the bottom to top And second cotton layer；The inner wall of second tank body is fixed with the second fixed ring, and the internal diameter of second fixed ring is less than described The diameter of second box body, the bottom surface of second box body and the top surface of second fixed ring support, the top of second box body The either flush in face and second tank body, first box body are placed in first tank body, and first box body and institute Inner wall of the outer wall of the second box body with the cavity is stated to offset；Connection is equipped with water inlet in the middle part of the top surface of first tank body The bottom surface middle part connection of pipe, second tank body is equipped with outlet pipe.

In the preferable technical solution of the utility model, the inner wall of first tank body is fixed with the first fixed ring, institute The structure for stating the first fixed ring is identical as the structure of second fixed ring, and first fixed ring bottom surface is fixed to described second The distance of top surface of ring is greater than first box body top surface to the distance of second box bottom；The bottom surface of first fixed ring Equipped with rubber washer, the internal diameter of the rubber washer is less than the internal diameter of first fixed ring, the rubber washer and described the One fixed ring is adhesively fixed, and the distance of first fixed ring bottom surface to the described second fixed top surface of ring is less than first box The sum of body, second box body and height of the rubber washer.

In the preferable technical solution of the utility model, the bottom outside of first box body is equipped with the first mounting groove, the One mounting groove is arranged along the first box body bottom margin cyclization, and the bottom surface of first mounting groove and first box body Bottom surface is concordant；The top outer of second box body corresponds to first mounting groove equipped with the second mounting groove, second installation Slot is arranged along second box body top edge cyclization, and the top surface of second mounting groove and the top surface of second box body are flat Together；

The outer sheath of first mounting groove and second mounting groove is equipped with cricoid connection sheet, the connection sheet and institute The top for stating the first box body bottom and second box body is fixedly connected by screw, and the outer wall of the connection sheet and corresponding spiral shell The end face of nail is respectively positioned on first box body and the second box body outer wall close to the side at the filter assemblies center.

In the preferable technical solution of the utility model, the top surface of second tank body is equipped with sealing ring, the sealing ring It is adhesively fixed with second tank body.

In the preferable technical solution of the utility model, water distributor is equipped in first tank body, the water distributor is located at It the top of first fixed ring and is connected to the water inlet pipe；Collecting system, the collection water system are equipped in second tank body System includes the central tube that catchments, and the central tube that catchments is located at the lower section of second fixed ring and is connected to the outlet pipe, institute The side wall connection for stating the central tube that catchments is equipped with a plurality of collection branch pipe, is equipped with multiple filter caps in each collection branch pipe.

The utility model has the following beneficial effects:

A kind of shallow-layer sand filtration system provided by the utility model, structure novel, the first tank body and the second tank body pass through Bolt is fixedly connected, and is dismountable seal closure structure, is facilitated the installation, maintenance and replacement of inner body, to extend The service life of filter；The first box body and the second box body in filter assemblies are mutually fastened and are fixedly connected, removably to close Close structure, facilitate the disposed of in its entirety of filler material, facilitate the installation and replacement of filler material, the bath of use process mesohigh to layer of sand into Row agitation rolling, washing time is short, and cleaning efficiency is high, can keep prolonged effective filter effect；And internal filler material packet The first layer of sand, the first cotton layer, the second layer of sand and the second cotton layer are included, it can be achieved that multiple filtering, effectively improves filter effect.

Detailed description of the invention

Fig. 1 is a kind of structural schematic diagram of the shallow-layer sand filtration system provided in specific embodiment of the utility model；

Fig. 2 is the structural schematic diagram of the filter assemblies provided in specific embodiment of the utility model；

Fig. 3 is the enlarged drawing of part A in Fig. 2.

In figure:

100, the first tank body；110, the first fixed ring；120, water inlet pipe；130, rubber washer；200, the second tank body；210, Second fixed ring；220, outlet pipe；230, sealing ring；300, filter assemblies；310, the first box body；311, the first layer of sand；312, First cotton layer；313, the first mounting groove；320, the second box body；321, the second layer of sand；322, the second cotton layer；323, the second installation Slot；330, connection sheet；400, cavity；500, water distributor；600, collecting system；610, catchment central tube；620, collection branch pipe； 630, filter cap.

Specific embodiment

Further illustrate the technical solution of the utility model below with reference to the accompanying drawings and specific embodiments.

As shown in Figure 1, disclosing a kind of shallow-layer sand filtration system, including the first tank in specific embodiment of the utility model Body 100 and the second tank body 200, first tank body 100 are located at the top of second tank body 200,100 bottom of the first tank body Portion is opened wide, the top of second tank body 200 is opened wide, the bottom sidewall of first tank body 100, second tank body 200 Top sidewall is fixed with ring flange, and two ring flanges are bolted to connection, first tank body 100 and described Two tank bodies 200 mutually fasten, inside forms the cavity 400 for installing filter assemblies 300；

As shown in Fig. 2, the filter assemblies 300 include the first box body 310 and the second box body 320 of column structure, it is described First box body 310 is located at the top of second box body 320,310 bottom-open of the first box body, second box body 320 Top is opened wide, and first box body 310 is mutually fastened and is fixedly connected with second box body 320；First box body 310 And second box body 320 is made of air stone, and the first layer of sand 311 is from top to bottom filled with inside first box body 310 And the first cotton layer 312, the second layer of sand 321 and the second cotton layer 322 have been sequentially filled inside second box body 320 from the bottom to top； The inner wall of second tank body 200 is fixed with the second fixed ring 210, and the internal diameter of second fixed ring 210 is less than described the The diameter of two box bodys 320, the bottom surface of second box body 320 and the top surface of second fixed ring 210 support, second box The either flush of the top surface of body 320 and second tank body 200, first box body 310 are placed in first tank body 100, And inner wall of the outer wall of first box body 310 and second box body 320 with the cavity 400 offsets；Described first Connection is equipped with water inlet pipe 120 in the middle part of the top surface of tank body 100, and connection is equipped with outlet pipe in the middle part of the bottom surface of second tank body 200 220。

A kind of above-mentioned shallow-layer sand filtration system, structure novel, first tank body 100 and second tank body 200 It is bolted to connection, is dismountable seal closure structure, facilitates the installation, maintenance and replacement of inner body, to prolong The service life of long filter；First box body 310 and second box body 320 in the filter assemblies 300 are mutually detained It closes and is fixedly connected, be dismountable closing structure, facilitate the disposed of in its entirety of filler material, convenient for the installation and replacement of filler material, It can replace in time, keep prolonged effective filter effect；And first box body 310 and second box body 320 are by gas Afrodite is made, and does not influence normal water flow, and the bath of use process mesohigh carries out agitation rolling to layer of sand, and washing time is short, clearly It washes high-efficient；And internal filler material include first layer of sand 311, first cotton layer 312, second layer of sand 321 and Second cotton layer 322 effectively improves filter effect, it can be achieved that multiple filtering；It should be noted that first layer of sand 311 and second layer of sand 321 filled by quartz sand, first cotton layer 312 and second cotton layer 322 are by PP Cotton is filled.

Further, the inner wall of first tank body 100 is fixed with the first fixed ring 110, first fixed ring 110 Structure it is identical as the structure of second fixed ring 210,110 bottom surface of the first fixed ring to second fixed ring 210 The distance of top surface is greater than 310 top surface of the first box body to the distance of 320 bottom surface of the second box body；First fixed ring 110 bottom surface is equipped with rubber washer 130, and the internal diameter of the rubber washer 130 is less than the internal diameter of first fixed ring 110, institute It states rubber washer 130 to be adhesively fixed with first fixed ring 110,110 bottom surface of the first fixed ring is fixed to described second The distance of 210 top surface of ring be less than first box body 310, second box body 320 and the rubber washer 130 height it With；The design of second fixed ring 210 can play a supporting role to the filter assemblies 300, and first fixed ring 110 And the effect that the design of the rubber washer 130 can then be fixed the filter assemblies 300, specifically, first tank When body 100 and second tank body 200 are fixedly connected, the top surface of first box body 310 and the rubber washer 130 supported, And the rubber washer 130 is squeezed under the restriction of first fixed ring 110, to make the filter assemblies 300 It is fixed between first fixed ring 110 and second fixed ring 210, avoid the filter assemblies 300 in handling process In shake and deviate.

Further, as shown in figure 3, the bottom outside of first box body 310 is equipped with the first mounting groove 313, the first peace Tankage 313 is arranged along the 310 bottom margin cyclization of the first box body, and the bottom surface of first mounting groove 313 and described first The bottom surface of box body 310 is concordant；The top outer of second box body 320 corresponds to first mounting groove 313 equipped with the second installation Slot 323, second mounting groove 323 is arranged along the 320 top edge cyclization of the second box body, and second mounting groove 323 Top surface and second box body 320 either flush；

The outer sheath of first mounting groove 313 and second mounting groove 323 is equipped with cricoid connection sheet 330, described Connection sheet 330 is fixedly connected with the top of 310 bottom of the first box body and second box body 320 by screw, and described The end face of the outer wall of connection sheet 330 and corresponding screw is respectively positioned on first box body 310 and 320 outer wall of the second box body is close The side at 300 center of filter assemblies；Using above-mentioned structure and connection type, one side first box body 310 and institute Stating the second box body 320 can firmly be connected, and do not influence first box body 310 and second box body 320 with it is described The cooperation of first tank body 100 and second tank body 200；On the other hand it can be convenient for first box body 310 and second box The production of body 320, the two structure is identical, facilitates processing, reduces cost.

Further, the top surface of second tank body 200 is equipped with sealing ring 230, the sealing ring 230 and second tank Body 200 is adhesively fixed；The design of the sealing ring 230 can reinforce first tank body 100 and second tank body 200 cooperation Leakproofness prevents liquid from oozing out from the junction of first tank body 100 and second tank body 200.

Further, it is equipped with water distributor 500 in first tank body 100, it is fixed that the water distributor 500 is located at described first It the top of ring 110 and is connected to the water inlet pipe 120；Collecting system 600, the collection water system are equipped in second tank body 200 System 600 includes catchmenting central tube 610, the central tube 610 that catchments be located at the lower section of second fixed ring 210 and with it is described Outlet pipe 220 is connected to, and the side wall connection of the central tube 610 that catchments is equipped with a plurality of collection branch pipe 620, each collection branch pipe Multiple filter caps 630 are installed on 620；The design of the water distributor 500 can be convenient for uniformly supplying water, and accelerate flow velocity, improve Filter efficiency；And the design of the collecting system 600 then can be convenient for being collected filtered liquid and outlet, in time Liquid is discharged, prevents from accumulating；It should be noted that the water distributor 500 and the collecting system 600 are normal in this field The structure seen.

The utility model is described with reference to the preferred embodiments, and those skilled in the art know, is not departing from this reality In the case where with novel spirit and scope, various changes or equivalence replacement can be carried out to these features and embodiment.This reality It is not limited to the particular embodiment disclosed with novel, other embodiments fallen into claims hereof all belong to In the range of the utility model protection.

Claims

1. a kind of shallow-layer sand filtration system, it is characterised in that:

Including the first tank body (100) and the second tank body (200), first tank body (100) is located at second tank body (200) Top, the first tank body (100) bottom-open, the top of second tank body (200) are unlimited, first tank body (100) Bottom sidewall, the top sidewall of second tank body (200) be fixed with ring flange, two ring flanges are solid by bolt Fixed connection, first tank body (100) and second tank body (200) mutually fasten, inside is formed for installing filter assemblies (300) cavity (400)；

The filter assemblies (300) include the first box body (310) and the second box body (320) of column structure, first box body (310) it is located at the top of second box body (320), the first box body (310) bottom-open, second box body (320) Top is opened wide, and first box body (310) mutually fastens and is fixedly connected with second box body (320)；First box body (310) and second box body (320) is made of air stone, and first box body (310) is internal from top to bottom filled with the One layer of sand (311) and the first cotton layer (312), second box body (320) is internal to be sequentially filled the second layer of sand from the bottom to top (321) and the second cotton layer (322)；The inner wall of second tank body (200) is fixed with the second fixed ring (210), and described second The internal diameter of fixed ring (210) is less than the diameter of second box body (320), the bottom surface of second box body (320) and described the The top surface of two fixed rings (210) supports, the either flush of the top surface of second box body (320) and second tank body (200), First box body (310) is placed in first tank body (100), and first box body (310) and second box body (320) inner wall of the outer wall with the cavity (400) offsets；Connection is equipped in the middle part of the top surface of first tank body (100) The bottom surface middle part connection of water inlet pipe (120), second tank body (200) is equipped with outlet pipe (220).

2. a kind of shallow-layer sand filtration system according to claim 1, it is characterised in that:

The inner wall of first tank body (100) is fixed with the first fixed ring (110), the structure of first fixed ring (110) It is identical as the structure of second fixed ring (210), the first fixed ring (110) bottom surface to second fixed ring (210) The distance of top surface is greater than the first box body (310) top surface to the distance of the second box body (320) bottom surface；Described first is fixed The bottom surface of ring (110) is equipped with rubber washer (130), and the internal diameter of the rubber washer (130) is less than first fixed ring (110) Internal diameter, the rubber washer (130) is adhesively fixed with first fixed ring (110), the first fixed ring (110) bottom surface Distance to the second fixed ring (210) top surface is less than first box body (310), second box body (320) and described The sum of the height of rubber washer (130).

3. a kind of shallow-layer sand filtration system according to claim 1, it is characterised in that:

The bottom outside of first box body (310) is equipped with the first mounting groove (313), and the first mounting groove (313) is along described first The setting of box body (310) bottom margin cyclization, and the bottom of the bottom surface of first mounting groove (313) and first box body (310) Face is concordant；The top outer of second box body (320) corresponds to first mounting groove (313) and is equipped with the second mounting groove (323), Second mounting groove (323) is arranged along the second box body (320) top edge cyclization, and second mounting groove (323) Top surface and second box body (320) either flush；

The outer sheath of first mounting groove (313) and second mounting groove (323) is equipped with cricoid connection sheet (330), institute The top for stating connection sheet (330) and the first box body (310) bottom and second box body (320) connects by the way that screw is fixed It connects, and the end face of the outer wall of the connection sheet (330) and corresponding screw is respectively positioned on first box body (310) and second box Side of body (320) outer wall close to the filter assemblies (300) center.

4. a kind of shallow-layer sand filtration system according to claim 1, it is characterised in that:

The top surface of second tank body (200) is equipped with sealing ring (230), the sealing ring (230) and second tank body (200) It is adhesively fixed.

5. a kind of shallow-layer sand filtration system according to claim 2, it is characterised in that: set in first tank body (100) Have water distributor (500), the water distributor (500) be located at the top of first fixed ring (110) and with the water inlet pipe (120) it is connected to；Collecting system (600) are equipped in second tank body (200), the collecting system (600) includes center of catchmenting Manage (610), the central tube that catchments (610) be located at the lower section of second fixed ring (210) and with the outlet pipe (220) The side wall connection of connection, the central tube that catchments (610) is equipped with a plurality of collection branch pipe (620), on each collection branch pipe (620) Multiple filter caps (630) are installed.