Natural weak-base low-sodium packaged drinking water filtering system

By arranging multiple filter cartridges in parallel in a packaged drinking water filtration system and using valves and auxiliary pipelines to isolate damaged or clogged filter cartridges, the problems of low filtration efficiency and easy cartridge damage in existing technologies are solved, achieving efficient and stable water source filtration.

CN223517105UActive Publication Date: 2025-11-07SHIJIAZHUANG XIJIAJIASHAN SPRING WATER CO LTD
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Patent Information

Application Number
CN202422707274.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-07
Publication Date
2025-11-07
Estimated Expiration
2034-11-07

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Abstract

The utility model provides a natural weak-base low-sodium packaged drinking water filtering system, which belongs to the technical field of packaged drinking water and comprises a bottom frame, a support frame, a plurality of filter cartridge groups, a water inlet pipe, a plurality of transition pipes, a water outlet pipe, an auxiliary pipe and a plurality of valves, the supporting frame is installed on the bottom frame and provided with a plurality of supporting rod pieces, the filter cartridge set comprises a plurality of filter cartridges, the filter cartridges are installed on the supporting rod pieces, the water inlet pipe is provided with a plurality of first connecting pipe sections, the transition pipe is provided with a plurality of second connecting pipe sections and a plurality of third connecting pipe sections, and the water outlet pipe is installed on the bottom frame and provided with a plurality of fourth connecting pipe sections. Two branch pipelines are arranged on the water outlet pipe; two ends of the auxiliary pipe are respectively connected with the water inlet pipe and the transition pipe; the valves are installed on the water inlet pipe, the branch pipelines, the water outlet pipe and the auxiliary pipe. According to the natural weak-base low-sodium packaged drinking water filtering system provided by the utility model, the filtering operation efficiency of a water source is improved, and the water source can be smoothly filtered by the filtering system.
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Description

Technical Field

[0001] This utility model belongs to the field of packaged drinking water technology, and more specifically, it relates to a natural weakly alkaline low-sodium packaged drinking water filtration system. Background Technology

[0002] There are two main sources of raw materials for packaged drinking water: public water supply systems and non-public water supply systems. Non-public water supply systems can be further divided into surface water and groundwater. To ensure the safety and health of drinking water and its good taste, the water source for packaged drinking water needs to undergo filtration pretreatment. The first step in water pretreatment is filtration. Current filtration methods involve adding water into a filter cartridge, which removes impurities, followed by disinfection. However, current filtration methods are inefficient, and some filter cartridges are prone to damage during the filtration process, affecting its effectiveness. Utility Model Content

[0003] The purpose of this invention is to provide a natural weakly alkaline, low-sodium packaged drinking water filtration system to solve the technical problems of low operating efficiency of existing water filtration methods and the easy damage of some filter cartridges during the filtration process, which affects the filtration work.

[0004] To achieve the above objectives, the technical solution adopted by this utility model is: to provide a natural weakly alkaline, low-sodium packaged drinking water filtration system, comprising:

[0005] The base frame is used for fixed installation on the ground;

[0006] A support frame is fixedly installed on the base frame; the support frame is provided with multiple support rods arranged vertically at intervals;

[0007] The filter cartridge assembly comprises multiple filter cartridges arranged at intervals; the filter cartridge assembly includes multiple filter cartridges arranged vertically at intervals, and the multiple filter cartridges in the same group are respectively mounted on multiple support rods;

[0008] The water inlet pipe is fixedly installed on the base frame. The water inlet pipe is arranged vertically and has multiple first connecting pipe sections for connecting to multiple filter cartridges in the filter cartridge group at the head end.

[0009] Multiple transition pipes are fixedly installed on the base frame and installed between two adjacent filter cartridge groups. The transition pipes are arranged vertically and are provided with multiple second connecting pipe sections and multiple third connecting pipe sections. The multiple second connecting pipe sections and multiple third connecting pipe sections are used to connect with multiple filter cartridges in the adjacent filter cartridge groups.

[0010] A water outlet pipe is fixedly installed on the base frame, vertically arranged, and has a plurality of fourth connecting pipe sections for connecting with a plurality of filter cartridges in the group of filter cartridges at the end.

[0011] An auxiliary pipe is fixedly installed on the base frame and located between the water inlet pipe and the transition pipe arranged close to the water inlet pipe, and the two ends of the auxiliary pipe are connected with the water inlet pipe and the transition pipe arranged close to the water inlet pipe respectively.

[0012] A plurality of valves are installed on the water inlet pipe, the branch pipe, the water outlet pipe and the auxiliary pipe for opening or closing the corresponding water inlet pipe, branch pipe, water outlet pipe and auxiliary pipe.

[0013] In a possible implementation, the transition pipe includes two vertically arranged vertical pipes and a horizontal pipe installed between the two vertical pipes, and the two ends of the horizontal pipe are connected with the lower ends of the two vertical pipes; the plurality of second connecting pipe sections and the plurality of third connecting pipe sections are installed on the two vertical pipes respectively; one end of the auxiliary pipe is connected with the horizontal pipe; the valve is arranged on the horizontal pipe.

[0014] In a possible implementation, the auxiliary pipe is a bent pipe section, and the two ends of the bent pipe section are arranged close to the horizontal pipe and the water inlet pipe respectively, and the bent pipe section is located below the water inlet pipe and the horizontal pipe.

[0015] In a possible implementation, the auxiliary pipe includes a first L-shaped bent pipe and a second L-shaped bent pipe, and the central axis of the first L-shaped bent pipe is horizontally arranged, and the central axis of the second L-shaped bent pipe is vertically arranged; one end of the first L-shaped bent pipe is connected with the water inlet pipe, the other end of the first L-shaped bent pipe is connected with one end of the second L-shaped bent pipe, and the other end of the second L-shaped bent pipe is connected with the horizontal pipe.

[0016] In a possible implementation, the water inlet pipe is provided with a pressure gauge.

[0017] In a possible implementation, the support frame includes two rectangular frames arranged at intervals and a connecting rod installed between the two rectangular frames; a plurality of support rod members arranged at intervals are arranged in each of the two rectangular frames.

[0018] In a possible implementation, the support rod member is provided with a plurality of arc-shaped grooves arranged at intervals, and the arc-shaped grooves are matched with the outer side surface of the filter cartridge.

[0019] In a possible implementation, each of the arc-shaped grooves is provided with a connecting hole, the support frame is further provided with a plurality of locking bands and a plurality of locking members, the locking bands are clamped on the filter cartridge from top to bottom, and the two ends of the locking bands pass through the two connecting holes respectively, and the locking members are used to fix the two ends of the locking members on the support rod.

[0020] In a possible implementation, the bottom frame is provided with a plurality of support columns at the lower end, and a spacing distance is provided between the bottom frame and the ground.

[0021] In a possible implementation, the bottom frame is provided with a mounting seat, and a water pump and a motor are mounted on the mounting seat, and the water pump is connected with the water inlet pipe.

[0022] The natural weak alkali low-sodium packaged drinking water filtering system has the advantages that: compared with the prior art, the natural weak alkali low-sodium packaged drinking water filtering system is used, a plurality of filter cartridge groups are arranged side by side, and a plurality of filter cartridges are arranged in each filter cartridge group, thereby forming a plurality of filter systems arranged in sequence, and each filter system has a plurality of filter cartridges; water sources pass through the inlet pipe, the first connecting pipe section, the filter cartridge, the second connecting pipe section, the transition pipe, the third connecting pipe section, the fourth connecting pipe section, and the outlet pipe to be discharged through one branch pipe, the water sources pass through a plurality of filter systems to complete the filtering operation, and the filtering operation efficiency of the water sources is improved; when the filter cartridge group at the first end cannot be used because the filter cartridge at the first end has more impurities and is prone to damage or blockage, the plurality of valves are opened or closed, and the auxiliary pipe is used to separate the filter cartridge group at the first end, the filter cartridge group at the first end is no longer used in the filtering system, and the water sources directly enter the second filter cartridge group, and the water source filtering effect is insufficient, and another branch pipe is used to discharge and temporarily store the water sources; however, this mode can ensure that the filtering system successfully filters the water sources, and the filtering work of the water sources is successfully performed. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0024] Figure 1 A front view of the natural weak alkali low-sodium packaged drinking water filtering system provided by the present application;

[0025] Figure 2The utility model provides a top view of natural weak base low sodium packing drinking water filter system provided by the embodiment of the utility model,

[0026] Figure 3 The utility model provides a side view of natural weak base low sodium packing drinking water filter system provided by the embodiment of the utility model,

[0027] Figure 4 The utility model provides a main view of the connection of the bottom frame, support frame and filter cylinder,

[0028] Figure 5 The utility model provides a top view of the connection of the bottom frame, support frame and filter cylinder,

[0029] Figure 6 The utility model provides a side view of the connection of the bottom frame, support frame and filter cylinder,

[0030] Figure 7 The utility model provides a schematic view of the connection of filter cylinder and support rod piece,

[0031] Figure 8 The utility model provides a schematic view of the structure of auxiliary pipe.

[0032] Among them, the various reference signs in the drawing are:

[0033] 1, bottom frame, 11, support column, 12, mounting seat, 13, water pump, 14, motor,

[0034] 2, support frame, 21, support rod piece, 22, rectangular frame, 23, connecting rod, 24, arc slot, 25, connecting hole, 26, locking belt, 27, locking piece,

[0035] 3, filter cylinder group, 31, filter cylinder,

[0036] 4, water inlet pipe, 41, first connecting pipe section, 42, pressure gauge,

[0037] 5, transition pipe, 51, second connecting pipe section, 52, third connecting pipe section, 53, vertical pipe, 54, horizontal pipe,

[0038] 6, water outlet pipe, 61, fourth connecting pipe section, 62, branch pipe,

[0039] 7, auxiliary pipe, 71, first L type elbow pipe, 72, second L type elbow pipe,

[0040] 8, valve. DETAILED DESCRIPTION

[0041] In order to make the technical problems, technical solutions and beneficial effects of the present application clearer, the present application will be further described in detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and do not limit the present application.

[0042] It should be noted that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0043] It should be understood that the terms "length", "width", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the present application and simplify the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0044] In addition, the terms "first", "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0045] Please refer to Figures 1 to 6The utility model provides a natural weak base low sodium packing drinking water filter system, including chassis 1, support frame 2, filter cartridge group 3, water inlet pipe 4, transition pipe 5, water outlet pipe 6, auxiliary pipe 7 and valve 8, chassis 1 is used for fixed installation on ground, support frame 2 is fixedly installed on chassis 1, be equipped with a plurality of upper and lower interval arrangement's support rod piece 21 on support frame 2, the quantity of filter cartridge group 3 is a plurality, and interval arrangement, filter cartridge group 3 includes a plurality of upper and lower interval arrangement's filter cartridge 31, and the plurality of filter cartridges 31 of same group are installed on a plurality of support rod piece 21 respectively, water inlet pipe 4 is fixedly installed on chassis 1, and water inlet pipe 4 is vertically arranged, and has a plurality of first connecting pipe sections 41 for being connected with the plurality of filter cartridges 31 in the filter cartridge group 3 of first end, the quantity of transition pipe 5 is a plurality, is fixedly installed on chassis 1, and is installed between adjacent two filter cartridge group 3, transition pipe 5 is vertically arranged, and be equipped with a plurality of second connecting pipe sections 51 and a plurality of third connecting pipe sections 52 on transition pipe 5, and a plurality of second connecting pipe sections 51 and a plurality of third connecting pipe sections 52 are used for being connected with the plurality of filter cartridges 31 in adjacent filter cartridge group 3, water outlet pipe 6 is fixedly installed on chassis 1, and water outlet pipe 6 is vertically arranged, and has a plurality of fourth connecting pipe sections 61 for being connected with the plurality of filter cartridges 31 in the filter cartridge group 3 of last end, be equipped with two branch pipes 62 on water outlet pipe 6, auxiliary pipe 7 is fixedly installed on chassis 1, and is located between water inlet pipe 4 and the transition pipe 5 close to water inlet pipe 4 arrangement, the both ends of auxiliary pipe 7 are connected with water inlet pipe 4 and the transition pipe 5 close to water inlet pipe 4 arrangement respectively, the quantity of valve 8 is a plurality, is installed on water inlet pipe 4, branch pipe 62, water outlet pipe 6 and auxiliary pipe 7, is used for opening or closing corresponding water inlet pipe 4, branch pipe 62, water outlet pipe 6 and auxiliary pipe 7.

[0046] The natural weak-alkali low-sodium packaged drinking water filtering system compared with the prior art, when in use, the plurality of filter cylinder groups 3 are arranged side by side, and the plurality of filter cylinders 31 are arranged in an upper and lower interval in each filter cylinder group 3, thereby forming a plurality of filter systems arranged in sequence, and each filter system has a plurality of filter cylinders 31; when the water source passes through the water inlet pipe 4, the first connecting pipe section 41, the filter cylinder 31, the second connecting pipe section 51, the transition pipe 5, the third connecting pipe section 52, the fourth connecting pipe section 61, the water outlet pipe 6 and is discharged through one of the branch pipes 62, the water source is filtered through the plurality of filter systems, and the filtering operation efficiency of the water source is improved; since the filter cylinder 31 at the first end has more impurities filtered and is prone to damage or blockage, when the filter cylinder group 3 at the first end cannot be used, the plurality of valves 8 are opened or closed, and the filter cylinder group 3 at the first end is separated by the auxiliary pipe 7, the filter cylinder group 3 at the first end is no longer used in the filtering system, and the water source directly enters the second filter cylinder group 3, and the water source filtered in this way is insufficient, and needs to be discharged through another branch pipe 62 for temporary storage; however, this way can still ensure that the filtering system successfully filters the water source, and the filtering work of the water source is successfully carried out.

[0047] Preferably, the filter cylinder group 3 is three, and each filter cylinder group 3 includes six filter cylinders 31, the six filter cylinders 31 are arranged in an upper and lower interval, and the central axes of the six filter cylinders 31 are located on a vertical plane, and the plurality of vertical planes on which the plurality of filter cylinders 31 in the adjacent two filter cylinder groups 3 are arranged in an interval.

[0048] The water inlet pipe 4 and the auxiliary pipe 7 are each provided with a valve 8 for controlling the water source to enter the water inlet pipe 4 or the auxiliary pipe 7. Similarly, the valve 8 is installed at the connection between the auxiliary pipe 7 and the transition pipe 5 for controlling the communication or cut-off of the auxiliary pipe 7 and the transition pipe 5. The valve 8 is installed on each of the two branch pipes 62 for controlling the use of the corresponding branch pipe 62. In this way, when the filter cylinder group 3 at the first end is damaged or interfered, the plurality of valves 8 can be appropriately selected to be closed or opened to use the auxiliary pipe 7 to enter water, avoiding the water inlet pipe 4 and the filter cylinder group 3 at the first end, so that the entire filtering system continues to work.

[0049] Please refer to Figures 1 to 3, as a kind of concrete implementation mode of the natural weak base low sodium packaged drinking water filter system provided by the utility model, transition pipe 5 includes two vertical pipes 53 arranged vertically and transverse pipe 54 installed between two vertical pipes 53, and the two ends of transverse pipe 54 are connected with the lower ends of two vertical pipes 53;Multiple second connecting pipe sections 51 and multiple third connecting pipe sections 52 are respectively installed on two vertical pipes 53;One end of auxiliary pipe 7 is connected with transverse pipe 54;Valve 8 is arranged on transverse pipe 54;Two vertical pipes 53 are arranged between adjacent two filter cylinder groups 3, and the two ends of transverse pipe 54 are fixedly connected with the lower ends of two vertical pipes 53, so that two vertical pipes 53 are communicated;Second connecting pipe section 51 and third connecting pipe section 52 are arranged horizontally, and multiple second connecting pipe sections 51 are fixed on one side of one vertical pipe 53, multiple third connecting pipe sections 52 are fixed on one side of another vertical pipe 53, and second connecting pipe section 51 and third connecting pipe section 52 are connected with filter cylinder 31;In this way, water in the front-end filter cylinder 31 smoothly enters the rear-end filter cylinder 31.One end of auxiliary pipe 7 is connected with transverse pipe 54, and auxiliary pipe 7 and transverse pipe 54 are connected by three-way valve 8, so as to realize the on-off state of auxiliary pipe 7 and transverse pipe 54.

[0050] Please refer to Figures 1 to 3 、 Figure 8 , as a kind of concrete implementation mode of the natural weak base low sodium packaged drinking water filter system provided by the utility model, auxiliary pipe 7 is a bent pipe section, the two ends of the bent pipe section are respectively arranged close to transverse pipe 54 and water inlet pipe 4, and the bent pipe section is located below water inlet pipe 4 and transverse pipe 54;By the way of bent pipe section, the two ends of the bent pipe section are respectively extended close to water inlet pipe 4 and transverse pipe 54, so that the two ends of the bent pipe section are smoothly connected with water inlet pipe 4 and transverse pipe 54 respectively;With the help of bent pipe section, water flow also flows smoothly.

[0051] Please refer to Figures 1 to 3 、 Figure 8As a specific embodiment of the natural weak alkali low sodium packaged drinking water filtering system provided by the utility model, the auxiliary pipe 7 comprises a first L-shaped bend pipe 71 and a second L-shaped bend pipe 72, and the central axis of the first L-shaped bend pipe 71 is horizontally arranged, and the central axis of the second L-shaped bend pipe 72 is vertically arranged; one end of the first L-shaped bend pipe 71 is connected with the water inlet pipe 4, the other end of the first L-shaped bend pipe 71 is connected with one end of the second L-shaped bend pipe 72, and the other end of the second L-shaped bend pipe 72 is connected with the horizontal pipe 54; specifically, the central axes of the first L-shaped bend pipe 71 and the second L-shaped bend pipe 72 are perpendicular, and the second L-shaped bend pipe 72 is fixedly installed above one end of the first L-shaped bend pipe 71; wherein the first L-shaped bend pipe 71 is located below the water inlet pipe 4, and one end thereof is connected with the water inlet pipe 4, and the other end thereof extends towards the horizontal pipe 54 in the auxiliary pipe 7 close to the water inlet pipe 4, and the lower end of the second L-shaped bend pipe 72 is fixedly connected and communicated with the other end of the first L-shaped bend pipe 71, and the other end is used for being connected with the horizontal pipe 54, so that the auxiliary connection of the water inlet pipe 4 and the horizontal pipe 54 is completed.

[0052] Please refer to Figures 1 to 3 As a specific embodiment of the natural weak alkali low sodium packaged drinking water filtering system provided by the utility model, the water inlet pipe 4 is provided with a pressure gauge 42; the pressure of the water inlet pipe 4 is monitored by means of the pressure gauge 42, so that the pressure in the whole filtering system is ensured to be within a standard range, and no unexpected situation occurs.

[0053] Please refer to Figures 1 to 6 As a specific embodiment of the natural weak alkali low sodium packaged drinking water filtering system provided by the utility model, the support frame 2 comprises two rectangular frames 22 arranged at intervals and a connecting rod 23 installed between the two rectangular frames 22; a plurality of support rod members 21 arranged at intervals in the up-down direction are arranged in each of the two rectangular frames 22; the two rectangular frames 22 are arranged at intervals on the two sides of the upper end of the base frame 1, and a plurality of support rod members 21 arranged in parallel are arranged in the rectangular frame 22, so that when the filtering cylinder 31 is installed, the two ends of the filtering cylinder 31 are respectively installed on the two support rod members 21 corresponding to the two rectangular frames 22; in this way, the whole support frame 2 has a simple structure and a small weight, and the filtering cylinder 31 is stably and firmly supported.

[0054] Please refer to Figure 3 , Figure 6 and Figure 7 As a specific embodiment of the natural weak alkali low sodium packaged drinking water filtering system provided by the utility model, a plurality of arc-shaped grooves 24 arranged at intervals are arranged on the support rod member 21, and the arc-shaped grooves 24 are matched with the outer side surface of the filtering cylinder 31; when the filtering cylinder 31 is installed on the two support rod members 21, the outer side surface lower wall of the filtering cylinder 31 is matched and installed into the arc-shaped groove 24, so that the filtering cylinder 31 is stably installed in the support frame 2 by being limited by the inner wall of the arc-shaped groove 24.

[0055] Please refer to Figure 7 , as a kind of specific embodiment of the natural weak base low sodium packaged drinking water filter system provided by the utility model, both sides of each arc-shaped groove 24 are provided with connecting holes 25, a plurality of locking bands 26 and a plurality of locking pieces 27 are further provided on the support frame 2, the locking bands 26 are clamped on the filter cartridge 31 from top to bottom, and the two ends respectively pass through the two connecting holes 25, and the locking pieces 27 are used to fix the two ends of the locking pieces 27 on the support rod piece 21;After the filter cartridge 31 is installed on the two support rod pieces 21, the locking bands 26 are clamped in the filter cartridge 31 from top to bottom, and the two ends of the locking bands 26 respectively pass through the two connecting holes 25, and the locking pieces 27 are used to respectively fix and connect the two ends of the locking bands 26 on the support rod piece 21, to realize the fixed connection of the filter cartridge 31.

[0056] Please refer to Figures 1 to 6 , as a kind of specific embodiment of the natural weak base low sodium packaged drinking water filter system provided by the utility model, the lower end of the base frame 1 is provided with a plurality of support columns 11, and a spacing distance is provided between the base frame 1 and the ground;The spacing distance is provided between the base frame 1 and the ground by means of the support column 11, so that the dust, impurities and moisture on the base frame 1 cannot move upward to contact the filter cartridge 31, and the safety of the filter cartridge 31 is improved.

[0057] Please refer to Figures 1 to 6 , as a kind of specific embodiment of the natural weak base low sodium packaged drinking water filter system provided by the utility model, the base frame 1 is provided with a mounting seat 12, a water pump 13 and a motor 14 mounted on the mounting seat 12, and the water pump 13 is connected with the water inlet pipe 4;The mounting seat 12 is located on the outer side of the support frame 2 and is arranged side by side with the support frame 2;The motor 14 and the water pump 13 are fixedly installed on the mounting seat 12, so that the motor 14 and the water pump 13 work stably and reliably. At the same time, one end of the water inlet pipe 4 is connected with the water pump 13, and the water pump 13 is connected with the pipeline of the water source.

[0058] The above is only a preferred embodiment of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement and improvement made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A natural weakly alkaline low sodium packaged drinking water filtration system characterized in that, The utility model provides a filter device, including: A base frame is fixedly installed on the ground; A support frame is fixedly installed on the base frame; a plurality of support rods are arranged on the support frame in a vertical direction; A plurality of filter cylinder groups are arranged in a vertical direction; each filter cylinder group comprises a plurality of filter cylinders arranged in a vertical direction; each filter cylinder group is installed on a plurality of support rods; A water inlet pipe is fixedly installed on the base frame; the water inlet pipe is arranged in a vertical direction; a plurality of first connecting pipe segments are arranged on the water inlet pipe and are used for connecting the filter cylinders of the first filter cylinder group; A plurality of transition pipes are fixedly installed on the base frame and are arranged between adjacent filter cylinder groups; the transition pipes are arranged in a vertical direction; a plurality of second connecting pipe segments and a plurality of third connecting pipe segments are arranged on the transition pipes and are used for connecting the filter cylinders of adjacent filter cylinder groups; A water outlet pipe is fixedly installed on the base frame; the water outlet pipe is arranged in a vertical direction; a plurality of fourth connecting pipe segments are arranged on the water outlet pipe and are used for connecting the filter cylinders of the last filter cylinder group; two branch pipes are arranged on the water outlet pipe; An auxiliary pipe is fixedly installed on the base frame and is arranged between the water inlet pipe and the transition pipe arranged close to the water inlet pipe; the two ends of the auxiliary pipe are connected to the water inlet pipe and the transition pipe arranged close to the water inlet pipe respectively; A plurality of valves are arranged on the water inlet pipe, the branch pipes, the water outlet pipe and the auxiliary pipe and are used for opening or closing the water inlet pipe, the branch pipes, the water outlet pipe and the auxiliary pipe.

2. The natural, weakly alkaline, low-sodium, packaged drinking water filtration system as claimed in claim 1, wherein, The transition pipe comprises two vertical pipes arranged in a vertical direction and a horizontal pipe arranged between the two vertical pipes; the two ends of the horizontal pipe are connected to the lower ends of the two vertical pipes; the second connecting pipe segments and the third connecting pipe segments are arranged on the two vertical pipes respectively; one end of the auxiliary pipe is connected to the horizontal pipe; the valves are arranged on the horizontal pipe.

3. The natural, weakly alkaline, low-sodium, packaged drinking water filtration system of claim 2, wherein, The auxiliary pipe is a bent pipe segment; the two ends of the bent pipe segment are arranged close to the horizontal pipe and the water inlet pipe respectively; the bent pipe segment is arranged below the water inlet pipe and the horizontal pipe.

4. The natural, weakly alkaline, low-sodium, packaged drinking water filtration system of claim 3, wherein, The auxiliary pipe comprises a first L-shaped bent pipe and a second L-shaped bent pipe; the central axis of the first L-shaped bent pipe is arranged in a horizontal direction; the central axis of the second L-shaped bent pipe is arranged in a vertical direction; one end of the first L-shaped bent pipe is connected to the water inlet pipe; the other end of the first L-shaped bent pipe is connected to one end of the second L-shaped bent pipe; the other end of the second L-shaped bent pipe is connected to the horizontal pipe.

5. The natural, weakly alkaline, low-sodium, packaged drinking water filtration system as described in claim 1, wherein, A pressure gauge is arranged on the water inlet pipe.

6. The natural, weakly alkaline, low-sodium, packaged drinking water filtration system as described in claim 1, wherein, The support frame comprises two rectangular frames arranged in a vertical direction and a connecting rod arranged between the two rectangular frames; a plurality of support rods arranged in a vertical direction are arranged in each rectangular frame.

7. The natural, weakly alkaline, low-sodium, packaged drinking water filtration system of claim 6, wherein, A plurality of arc-shaped grooves are arranged on the support rods in a vertical direction; the arc-shaped grooves are matched with the outer sides of the filter cylinders.

8. The natural, weakly alkaline, low-sodium, packaged drinking water filtration system of claim 7, wherein, Two sides of each of the arc-shaped grooves are provided with connecting holes, the support frame is further provided with a plurality of locking belts and a plurality of locking members, the locking belts are clamped on the filter cartridge from top to bottom, and two ends of each of the locking belts pass through two connecting holes respectively, and the locking members are used for fixing the two ends of the locking belts on the support rod members.

9. The natural, weakly alkaline, low-sodium, packaged drinking water filtration system as claimed in claim 1, wherein, The lower end of the base frame is provided with a plurality of support columns, and a spacing distance is provided between the base frame and the ground.

10. The natural, weakly alkaline, low-sodium, packaged drinking water filtration system as described in claim 1, wherein, The base frame is provided with a mounting seat, a water pump and a motor mounted on the mounting seat, and the water pump is connected with the water inlet pipe.