CN218478584U - Filter element structure - Google Patents

Filter element structure Download PDF

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Publication number
CN218478584U
CN218478584U CN202222906016.1U CN202222906016U CN218478584U CN 218478584 U CN218478584 U CN 218478584U CN 202222906016 U CN202222906016 U CN 202222906016U CN 218478584 U CN218478584 U CN 218478584U
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China
Prior art keywords
water
space
pure water
central tube
filter
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CN202222906016.1U
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Chinese (zh)
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曾治钧
黄振韶
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Guangdong Lingshang Water Purification Technology Co Ltd
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Guangdong Lingshang Water Purification Technology Co Ltd
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Abstract

The utility model provides a filter element structure, which comprises a shell, wherein a filter part is arranged in the shell, and a central tube with holes is arranged on the inner side of the cylindrical shape of the filter part; the center pipe is provided with a partition to divide an inside of the center pipe into a first space and a second space; the filter part is kept away from and forms first clearance space between pure water output one side and the casing, the center tube in be provided with first water hole and second in the first clearance space and cross the water hole, first water hole with second space intercommunication crosses, the second cross the water hole with first space intercommunication, second space, first water hole, first clearance space, second cross and form the pure water tributary between water hole to the first space. This application will form the pure water reposition of redundant personnel guide that pure water runner and pure water tributary combination were used through the filterable pure water of filter house, has lengthened the flow path of pure water, effectively increases the pure water deposit water space volume of filter house pure water side, makes the water salt concentration of filter house pure water side obtain effective dilution.

Description

Filter element structure
Technical Field
The utility model relates to a water filtration technology field specifically is a filter core structure.
Background
Currently, filtration systems are widely used in everyday life and are commonly used for filtration of various fluids. Along with the improvement of living standard, filtration system wide application is in the filtration of resident's water to eliminate the pollution and the influence of quality of water to water such as water source, transportation process, in order to guarantee water safety. The reverse osmosis filtration system is a water purification system commonly used in filtration of drinking water for residents.
Patent publication No. CN106139904A discloses a reverse osmosis membrane module, a filter element and a water purifier, wherein the water channel system specifically comprises: raw water enters from one end of the filter element, the raw water is filtered from outside to inside, and filtered pure water flows out through the central tube. This structure pure water cavity is less, and when the water purifier standby, the TDS value that stops in the water TDS value of raw water side is higher than the TDS value that stops in the water of pure water side, makes in the water of raw water side water salinity infiltration to pure water side easily, can make the water salinity of pellicle pure water side strengthen. Therefore, when the water purifier is in standby for a period of time, the TDS value of the first cup of water taken by a user is high, and the water quality cannot meet the filtering requirement.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a filter core structure for overcoming prior art's not enough.
The filter element structure comprises a shell, wherein a raw water input end, a pure water output end and a concentrated water output end are arranged on the shell, a cylindrical filter part is arranged in the shell, the cylindrical inner side of the filter part is a pure water side, a central tube with holes is arranged on the cylindrical inner side of the filter part, and one end of the central tube is arranged corresponding to the pure water output end; the other end of the central tube is provided with a separator to divide the interior of the central tube into a first space and a second space, and a pure water flow passage is formed in the first space; the utility model discloses a water purification device, including filter portion, pure water output end, first clearance space, the filter portion is kept away from and is formed first clearance space between pure water output end one side and the casing, the other end of center tube stretch out outside the filter portion, and in be provided with first water hole and the second in the first clearance space of crossing and cross the water hole, first water hole and second space intercommunication of crossing, the second cross the water hole with first space intercommunication, second space, first water hole, first clearance space, second are crossed and are formed the pure water tributary between water hole to the first space.
Further, a water blocking member is provided between the outer peripheral side of the filter unit and the housing.
Further, a second gap space is formed between the outer peripheral side of the filter portion and the housing, the second gap space being in communication with the first gap space; the second space, the first water passing hole, the first gap space and the second gap space which are communicated with each other, and a pure water branch flow is formed between the second water passing hole and the first space; the water stop is arranged in the second gap space.
Further, a pure water cavity is formed between the water-stop piece and the shell and is communicated with the first gap space; the second space, the first water hole of crossing, the first clearance space that the intercommunication set up and pure water chamber, second are crossed and are formed the pure water tributary between water hole to the first space.
Further, a raw water cavity is formed between the water stop piece and the outer peripheral side of the filtering part, and the raw water cavity is communicated with the raw water input end.
Furthermore, the raw water input end and the pure water output end are arranged on the same end side of the shell, and the water-resisting piece is arranged in a cylindrical shape; and an opening is arranged between the water stop piece and the filtering part and is close to one side of the pure water output end, and the outer peripheral side of the filtering part is a water inlet side.
Furthermore, the outer periphery of the water stop piece is expanded outwards at the position of the spaced opening to form an expanded section, a water isolating groove is arranged on the outer periphery of the expanded section, a sealing ring is arranged on the water isolating groove, and the water stop piece is in sealing fit with the inner side of the shell under the arrangement of the sealing ring.
Furthermore, the raw water input end, the pure water output end and the concentrated water output end are arranged on the same end side of the shell; the water-resisting piece is connected with the filtering part in a sealing way at one side far away from the pure water output end; one side of the filtering part close to the concentrated water output end is a concentrated water side.
Further, in the filter house outside reaches between the arrangement position in first water hole and the second water hole of crossing, the center tube periphery side sets up a plurality of seal grooves, connect on the seal groove and set up the sealing washer, water stop piece cooperation dress in the seal groove position of center tube, under the setting of sealing washer, water stop piece with sealed cooperation between the center tube.
Furthermore, the central pipe is in a straight pipe shape, and the whole flow channel guide direction of the pure water flow channel is arranged along the linear direction; the first space is arranged on the side of the separator in the axial direction and the side of the separator in the radial direction in the central tube, and the second water passing hole is communicated to the position of the side of the separator in the radial direction; the first space is integrally arranged along the length direction of the central tube; the second space is formed by enclosing the separator towards the side of the first water passing hole; in the water production process, the pure water branches form water flow in the second space, wherein the water flow is opposite to the flow channel guide direction of the pure water flow channel.
Furthermore, two ends of the central tube extend out of the filtering part, one end of the central tube is communicated with the pure water output end, and the other end of the central tube is connected with the shell; the separator extends to the inner wall of the shell from the inner wall of the central tube, so that the first space and the second space are mutually isolated in the central tube.
Further, the arrangement length of the separators in the central tube is in proportion to the extension length of the central tube, and the proportion ranges from 1:3 to 1:5.
the beneficial effects of the utility model reside in that:
through the arrangement of the filter element structure, the pure water filtered by the filter part forms a pure water flow channel and pure water branch flow division guide combined application, the flow path of the pure water is lengthened, and the water pressure condition of the filter element structure in the pure water production process is effectively balanced; meanwhile, the volume of the pure water storage space at the pure water side of the filtering part can be increased, so that the water and salt concentration at the pure water side of the filtering part can be effectively diluted.
Drawings
Fig. 1 is the structure and water path trend schematic diagram of the filter element structure of the present invention.
Description of reference numerals:
a shell 1, a raw water input end 11, a pure water output end 12, a concentrated water output end 13,
A center pipe 2, a pure water hole 21, a first water passing hole 22, a second water passing hole 23, a partition 24, a first space 25, a second space 26, a seal groove 27,
A filter part 3, a water inlet side 31, a concentrated water side 32, a pure water flow passage 4, a pure water branch 40,
A first gap space 5, a second gap space 6, a pure water chamber 61, a raw water chamber 62,
The water stop 7, the spacing opening 70, the outward expanding section 71 and the water stop groove 711.
Detailed Description
In order to make the technical solution, objects and advantages of the present invention more clearly understood, the present invention is further explained with reference to the accompanying drawings and embodiments.
As shown in fig. 1, the filter element structure includes a housing 1, a raw water input end 11, a pure water output end 12, and a concentrated water output end 13 are disposed on the housing 1, and the raw water input end 11 and the pure water output end 12 are disposed on an upper end side of the housing 1. A filter part 3 with a cylindrical structure is arranged in the shell 1, the filter material of the filter part 3 is applied to a reverse osmosis membrane layer, the cylindrical inner side of the filter part 3 is a pure water side, a central tube 2 with a pure water hole 21 is arranged on the cylindrical inner side of the filter part 3, two ends of the central tube 2 extend out of the filter part 3, the upper end of the central tube 2 is arranged corresponding to the pure water output end 12 and is communicated with the pure water output end 12, and the lower end of the central tube 2 is connected with the shell 1 to form a seal; a partition 24 is provided at a lower position within the base pipe 2 to divide the inside of the base pipe 2 into a first space 25 and a second space 26. The separator 24 is arranged by extending downwards from the inner wall of the central tube 2, and after the installation and fixation, the lower end of the central tube is connected to the bottom of the shell 1, and the separator 24 extends and abuts against the inner wall of the shell 1, so that the first space 25 and the second space 26 are isolated from each other in the central tube 2. The pure water flow passage 4 is formed in the first space 25.
The filter house 3 is far away from and forms first clearance space 5 between pure water output 12 one side and the casing 1, the other end of center tube 2 stretch out outside the filter house 3, and in be provided with first water hole 22 and the second in the first clearance space 5 and cross water hole 23, first water hole 22 of crossing with second space 26 intercommunication, the second cross water hole 23 with first space 25 intercommunication, second space 26, first water hole 22 of crossing, first clearance space 5, second cross water hole 23 and form pure water tributary 40 to first space 25 between.
The structure of the central pipe 2 is straight pipe shape, and the whole flow passage guiding direction of the pure water flow passage 4 is arranged along the straight line direction. The first space 25 is provided on the axial direction side and the radial direction side of the partitioning member 24 in the center pipe 2, the second water passing hole is communicated to a position on the radial direction side of the partitioning member 24, and the first space 25 is integrally arranged in the length direction of the center pipe 2. The second space 26 is formed by surrounding the partition member 24 toward the first water passage hole 22. During the water production process, the pure water branch flow 40 forms a water flow in the second space 26 in a direction opposite to the flow channel guiding direction of the pure water flow channel 4.
In the process of water production, an external water source is input from a raw water input end 11 of the shell 1, the pure water is filtered by the filter part 3, the pure water obtained by production is output from the cylindrical inner side of the filter part 3, and a part of the pure water is guided along the pure water flow passage 4 and is guided out towards a pure water output end 12 through a first space 25 in the central pipe 2; the other part of the pure water is guided by the pure water branch flow 40, returns to the first space 25 through the second space 26, the first water passing hole 22, the first clearance space 5 and the second water passing hole 23, joins with the pure water in the pure water flow passage 4, and is output toward the pure water output end 12.
Based on the setting of first clearance space 5, the separator 24 that sets up in the center tube 2 of combination this scheme is used, can make the utility model discloses a filter core structure system water in-process, partial pure water source can flow back to pure water runner 4 to outer output again through the guide reposition of redundant personnel of pure water tributary 40, has lengthened the flow path of pure water, and is effectively balanced the utility model discloses the water in-process water pressure condition is produced to filter core structure's pure water.
Preferably, the length of the partition 24 arranged in the base pipe 2 is proportional to the extension length of the base pipe 2 in the range of 1:3 to 1:5. the pure water holes 21 for pure water to flow through on the central tube 2 are uniformly distributed along the central tube 2 at equal intervals, and the number of the pure water holes 21 in the range of the separator 24 is less than that of the pure water holes 21 outside the separator 24. Based on the uniform arrangement of the pure water holes 21, the pure water source input pressure at the pure water side can be guided by the central pipe 2 to be more balanced; and because the extension length of separator 24 is for 1/5 to 1/3 scope setting relative to the total length of center tube 2, then in pure water system water in-process, the first space 25 section that has more pure water hole 21 and arranges can guide more pure water and derive towards pure water output 12, the second space 26 that has less pure water hole 21 and arranges that separator 24 that shorter range set up limited guides less pure water and shunts through pure water tributary 40, a small amount of pure water reposition of redundant personnel makes pure water produce certain pressure differential in second space 26 within range, negative pressure will guide the pure water production of filter house 3 effectively, has promoted the production efficiency of pure water.
In this embodiment, the water flow rate of the pure water branch 40 is smaller than that of the pure water flow channel 4, so as to meet the requirements of pressure difference generation and pure water source flowing in the water production process.
A second gap space 6 is formed between the outer peripheral side of the filter unit 3 and the housing 1, and the second gap space 6 communicates with the first gap space 5; pure water branches 40 are formed between the second space 26, the first water passing hole 22, the first gap space 5 and the second gap space 6 which are communicated with each other, and between the second water passing hole 23 and the first space 25. The flow path of the pure water can be further lengthened and the volume of the pure water storage space can be increased by the arrangement of the second gap space 6.
As a preferred embodiment: in the second gap space 6, a water stop 7 is also provided.
Specifically, taking as an example the application of the filter unit 3 in which the outer peripheral side of the filter unit 3 is the water inlet side 31 and the upper end side of the filter unit 3 is the concentrate side 32:
the concentrated water side 32 positioned on the upper end side is matched with the concentrated water output end 13 in position, so that the produced concentrated water can be directly output through the concentrated water output end 13, and the concentrated water is prevented from being accumulated in the filter element structure.
The water stop member 7 is arranged around the outer periphery of the filter part 3 in a cylindrical shape, a pure water cavity 61 is formed between the water stop member 7 and the shell 1, and the pure water cavity 61 is communicated with the first clearance space 5; pure water branches 40 are formed between the second space 26, the first water passing hole 22, the first clearance space 5 and the pure water cavity 61 which are communicated with each other, and between the second water passing hole 23 and the first space 25. The upper side of the water blocking member 7 is open near the pure water output end 12, an interval opening 70 is formed between the water blocking member 7 and the filtering part 3 after assembly, a raw water cavity 62 is formed between the outer peripheral sides of the water blocking member 7 and the filtering part 3, and the raw water cavity 62 is communicated with the raw water input end 11.
Based on the cylindrical vertical arrangement of the second separated space 6 (pure water chamber 61), in the process of producing water, under the interaction of the produced water pressure and the self gravity of the water source, the pure water output to the first separated space 5 and the second separated space 6 through the pure water branch 40 will easily flow, so that the TDS dilution on the pure water side of the filter part 3 can be effectively performed when the first cup of water produces water.
Based on the cylindrical vertical arrangement of the raw water cavity 62, raw water is input through the separation opening 70 during the water production process, the raw water is cached in the raw water cavity 62, and the cached raw water source can effectively promote the input and application of the raw water to the filter part 3 under the action of the gravity of the raw water source, so that the water production efficiency of the filter part 3 is promoted.
The outer periphery of the water stop 7 is outwardly expanded at the position of the spaced opening 70 to form an outwardly expanded section 71, a water isolating groove 711 is arranged on the outer periphery of the outwardly expanded section 71, a sealing ring is arranged on the water isolating groove 711, and the water stop 7 is in sealing fit with the inner side of the shell 1 under the arrangement of the sealing ring; thereby the raw water cavity 62 forms a sealed separation arrangement with the pure water cavity 61.
And the bottom side in the cylinder of the water stop piece 7 is in contact with the bottom of the filter part 3 to form sealing on the side far away from the pure water output end 12, so that the bottom of the filter part 3 is sealed. And in the filter part 3 outside and between the arrangement position of first water hole 22 and second water hole 23, center tube 2 periphery side sets up a plurality of seal grooves 27, connect on the seal groove 27 and set up the sealing washer, water stop 7 cooperation dress is in the seal groove 27 position of center tube 2, under the setting of sealing washer, water stop 7 with sealed cooperation between the center tube 2. Due to the arrangement of the upper sealing ring of the upper water isolating groove 711 and the upper sealing ring of the lower sealing groove 27, the water isolating piece 7 can be stably assembled between the shell 1 and the central tube 2 structure under the action of friction force of the sealing rings, so that installation and positioning are formed.
The above is only the preferred embodiment of the present invention, and to the technical personnel in the technical field, without departing from the present invention, the embodiment can still be modified, and the corresponding modification should also be regarded as the protection scope of the present invention.

Claims (10)

1. The filter element structure is characterized by comprising a shell, wherein a filter part is arranged in the shell, and a central tube with holes is arranged on the cylindrical inner side of the filter part; the central tube is provided with a separator to divide the interior of the central tube into a first space and a second space, and a pure water flow passage is formed in the first space; form first clearance space between filter house and the casing, the center tube in be provided with first water hole and the second water hole of crossing in the first clearance space, first water hole of crossing with second space intercommunication, the second cross the water hole with first space intercommunication, second space, first water hole, first clearance space, second cross and form the pure water branch between water hole to the first space.
2. A filter element arrangement as claimed in claim 1, wherein a water stop is provided between the outer peripheral side of the filter house and the housing.
3. A filter element arrangement as claimed in claim 2, wherein a clear water chamber is formed between the water stop and the housing, said clear water chamber communicating with the first interstitial space; the second space, the first water hole of crossing, the first clearance space that the intercommunication set up and pure water chamber, second are crossed and are formed the pure water tributary between water hole to the first space.
4. A filter element arrangement as claimed in claim 2, wherein a raw water chamber is formed between the water stop and the outer periphery of the filter house.
5. A filter element construction according to claim 2, wherein the water stop is arranged in the form of a cylinder, with a gap opening between the water stop and the filter element, the outer periphery of the filter element being the water inlet side.
6. The filter element structure of claim 5, wherein an outer peripheral side of the water blocking member is flared at the position of the spaced opening to form a flared section, a water blocking groove is arranged on an outer peripheral side of the flared section, a sealing ring is arranged on the water blocking groove, and the water blocking member is in sealing engagement with an inner side of the housing under the arrangement of the sealing ring.
7. The filter element structure according to claim 2, wherein one end of the central tube extends out of the filter part, a plurality of sealing grooves are arranged on the outer periphery of the central tube between the outer part of the filter part and the arrangement positions of the first water through holes and the second water through holes, sealing rings are arranged on the sealing grooves in an attached mode, the water blocking member is arranged on the position of the sealing groove of the central tube in a matched mode, and the water blocking member is in sealing fit with the central tube under the arrangement of the sealing rings.
8. A filter element construction according to any one of claims 1 to 7 wherein said central tube is straight and the overall flow path direction of said pure water flow path is arranged in a straight line; the first space is arranged at the side of the separator in the axial direction and the side of the separator in the radial direction in the central tube, and the second water through hole is communicated to the position at the side of the separator in the radial direction; the first space is integrally arranged along the length direction of the central tube; the second space is formed by enclosing the separator close to the first water passing hole; in the water production process, the pure water branches form water flow in the second space, wherein the water flow is opposite to the flow channel guide direction of the pure water flow channel.
9. A filter element arrangement as claimed in claim 8, wherein one end of the central tube extends beyond the filter portion and is connected to the housing; the separator extends to the inner wall of the shell from the inner wall of the central tube, so that the first space and the second space are mutually isolated in the central tube.
10. A filter element arrangement as claimed in claim 8, wherein the length of the partition arrangement in the central tube is in proportion to the length of the central tube extension in the range of 1:3 to 1:5.
CN202222906016.1U 2022-08-31 2022-11-01 Filter element structure Active CN218478584U (en)

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Publication number Priority date Publication date Assignee Title
CN117401871A (en) * 2023-12-14 2024-01-16 西南石油大学 Biological treatment-based oilfield living area sewage treatment method

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CN117401871B (en) * 2023-12-14 2024-02-20 西南石油大学 Biological treatment-based oilfield living area sewage treatment method

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