Pipeline direct-drinking water purification equipment
By combining a quartz sand filter, an activated carbon filter, a scale inhibitor filter, and a nanofiltration pipeline, and by using a rotating column and activated strips to increase the adsorption area and a scale inhibitor plate to change the water flow direction, the problem of the activated carbon filter remaining stationary is solved, achieving efficient purification and stable equipment operation, and providing healthy and safe drinking water.
Patent Information
- Application Number
- CN202511116307.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-08-11
- Publication Date
- 2026-01-02
AI Technical Summary
In existing piped drinking water purification processes, the activated carbon filter remains stationary, causing the surface activated carbon to come into contact with dirt while the internal activated carbon becomes unusable. Over time, this can easily lead to clogging and clumping, affecting the purification effect.
A pipeline direct drinking water purification device was designed, which adopts a combination of quartz sand filter, activated carbon filter, scale inhibitor filter and nanofiltration pipeline. The adsorption area is increased by rotating column and activated strip, the scale inhibitor plate changes the water flow direction, and high pressure water pump provides power to achieve efficient purification.
It improves water purification efficiency, prevents equipment blockage, extends service life, ensures stable water quality, and provides healthy and safe drinking water.
Smart Images

Figure CN121248033A_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of water purification technology, specifically to a piped direct drinking water purification device. Background Technology
[0002] Piped drinking water equipment technology originated from the inability of traditional water supply to meet the needs of healthy direct drinking. After years of development, it has formed a treatment system with multi-stage filtration (such as quartz sand and activated carbon pretreatment) and membrane separation (microfiltration, ultrafiltration, nanofiltration, and reverse osmosis) as its core. Combined with ultraviolet / ozone disinfection and scale inhibition technology such as scale inhibition plates interfering with ion movement, and with a fully enclosed 304 stainless steel circulation network and intelligent monitoring system, it can achieve real-time water quality control and safety assurance. Its advantages are that centralized treatment reduces costs, avoids secondary pollution, and the effluent meets the national direct drinking water standards and retains beneficial minerals. At present, it has expanded from residential communities to commercial and public places.
[0003] Currently, in the purification process of piped drinking water, the activated carbon filter, which is commonly used in the early stages of water source treatment, has a problem: the activated carbon is "static," like a pile of sand. When water flows by, only the surface activated carbon can come into contact with dirt, while the inside is basically unused. Over time, it is also prone to clogging and clumping, affecting the purification effect. Therefore, it does not meet the existing needs. To address this, we have proposed a piped drinking water purification device. Summary of the Invention
[0004] This invention provides a piped direct drinking water purification device, which has the beneficial effect of improving water purification efficiency. It solves the problem mentioned in the background art that in the initial water source treatment process of piped direct drinking water purification, the activated carbon filter used in the past had a problem - the activated carbon is "static", like a pile of sand. When water flows by, only the surface activated carbon can come into contact with dirt, while the inside is basically unused. Over time, it is also easy to clog and clump, affecting the purification effect.
[0005] This invention provides the following technical solution: a piped direct drinking water purification device, comprising a water purifier body, a quartz sand filter installed inside the water purifier body, an activated carbon filter installed on the side of the quartz sand filter, a scale inhibitor filter also installed inside the water purifier body, a high-pressure water pump installed on the side of the scale inhibitor filter, three sets of nanofiltration pipes installed inside the water purifier body, and an inlet pipe for water supply, the inlet pipe including an inlet and a first outlet; the scale inhibitor filter including a shell and a shell cover, the shell cover being threaded onto the top of the shell; a filter cartridge installed inside the shell, the filter cartridge being connected to the inlet of the shell cover; a scale inhibitor plate installed on the outside of the filter cartridge; a connecting plate installed on the bottom side of the filter cartridge; and an adsorption structure for adsorbing water installed between the connecting plate and the filter cartridge.
[0006] As an optional solution for a piped direct drinking water purification device according to the present invention, the adsorption structure includes a rotating column rotatably fitted on the upper side of a connecting plate, an active strip is installed on the side of the rotating column, a plurality of active strips are provided, the plurality of active strips are installed in a linear array on the surface of the rotating column, a first impeller is installed at the top of the rotating column, and a ball bearing is movably installed at the bottom of the rotating column, the ball bearing being movably connected to the connecting plate.
[0007] As an optional solution for a piped direct drinking water purification device according to the present invention, wherein: a plurality of scale-inhibiting plates are provided, and the plurality of scale-inhibiting plates are installed in a linear array on the outside of the filter cylinder; a plurality of first openings are provided on the upper surface of the scale-inhibiting plate, and a plurality of second openings are provided on the lower surface of the scale-inhibiting plate; the opening directions of the first openings and the second openings are opposite.
[0008] As an optional solution for the piped direct drinking water purification equipment of the present invention, a support plate is installed on the outside of the filter cylinder, a second impeller is installed on the outside of the support plate, and an activated carbon column is installed on the second impeller.
[0009] As an optional solution for the piped direct drinking water purification device of the present invention, the shell is configured as a circular cylinder, and the water outlet of the shell cover is connected to the interior of the shell.
[0010] As an optional solution for the piped direct drinking water purification equipment of the present invention, the filter cylinder is configured as a circular cylinder, the filter cylinder is configured as a stainless steel pipe, and the scale inhibitor plate is configured as a circular scale inhibitor plate.
[0011] As an optional solution for the piped direct drinking water purification equipment described in this invention, the connecting plate is provided with a through hole for water supply, and a plurality of the through holes are arranged in a ring on the connecting plate.
[0012] As an optional solution for a piped direct drinking water purification device according to the present invention, the scale inhibitor plate is made of stainless steel plate, and the cross-sectional shape of the first opening and the second opening is triangular.
[0013] As an optional solution for the piped direct drinking water purification equipment of the present invention, a bottom cover is installed on the bottom side of the shell, the bottom cover has a circular cross-section, and an accommodating layer is provided inside the bottom cover.
[0014] As an optional solution for a piped direct drinking water purification device according to the present invention, the accommodating layer is in communication with the interior of the shell.
[0015] The present invention has the following beneficial effects: 1. This direct drinking water purification system uses an inlet pipe. Water enters through the inlet and first passes through a quartz sand filter to remove large particles. Then, an activated carbon filter adsorbs odors and some organic matter. After entering the scale inhibitor filter, the water flow impacts the first impeller, causing the rotating column and activated strips to rotate. The activated strips agitate the water flow to prevent sedimentation and increase the adsorption area, while the scale inhibitor plate prevents scale formation. Subsequently, a high-pressure pump pressurizes the water, forcing it through three sets of nanofiltration pipes to deeply remove bacteria, heavy metals, and other harmful substances. Finally, clean water flows out from the first outlet. This process achieves highly efficient water purification, prevents equipment clogging and damage, improves filtration efficiency, and ensures stable water flow and pressure, continuously providing users with healthy and safe drinking water.
[0016] 2. This piped direct drinking water purification equipment features a linear array of stainless steel scale-inhibiting plates mounted on the outer side of the filter cartridge during scale inhibition filtration, providing crucial support for its efficient scale inhibition. The scale-inhibiting plates have several triangular cross-sections with first and second openings on their upper and lower surfaces, oriented in opposite directions. As water flows through the plates, the special opening orientation alters the flow direction and flow pattern, effectively interfering with the movement of calcium and magnesium ions in the water and preventing them from combining to form scale. The synergistic effect of multiple scale-inhibiting plates significantly enhances the scale inhibition effect, preventing scale buildup in the filter cartridge and subsequent devices, extending the equipment's lifespan, and reducing user maintenance and replacement costs.
[0017] Furthermore, as the water flows downwards past the scale-inhibiting plate, the reverse flow of the opening creates resistance, causing the first impeller above the rotating column to rotate. This rotation of the first impeller creates turbulence within the filter cartridge, ensuring thorough contact between the water and the filter media and scale-inhibiting plate. This significantly improves the adsorption and interception efficiency of impurities in the water, resulting in an overall enhanced filtration effect.
[0018] 3. This piped direct drinking water purification equipment has several through holes arranged in a ring array on the connecting plate, providing a flow path for water. This allows water that has passed through the scale inhibitor to flow smoothly downwards and reach the circular bottom cover on the bottom side of the shell. The receiving layer inside the bottom cover is connected to the shell and can settle and collect a small amount of residual impurities, further purifying the water quality. In addition, the water flow through the scale inhibitor plate creates resistance, which drives the first impeller above the rotating column to rotate, causing the water flow in the filter cartridge to form turbulence, allowing the water flow to fully contact the filter medium and improving the adsorption and interception efficiency of impurities. Attached Figure Description
[0019] Figure 1 This is a three-dimensional structural diagram of the present invention.
[0020] Figure 2 This is a cross-sectional structural diagram of the present invention.
[0021] Figure 3 For the present invention Figure 2 A magnified structural diagram at point A in the diagram.
[0022] Figure 4 This is a schematic diagram of the rotating column structure of the present invention.
[0023] Figure 5 This is a schematic diagram of the filter cartridge structure of the present invention.
[0024] Figure 6 This is a schematic diagram of the scale inhibitor plate structure of the present invention.
[0025] In the diagram: 110, Water purifier body; 111, Quartz sand filter; 112, Activated carbon filter; 113, Scale inhibitor filter; 114, High-pressure water pump; 115, Nanofiltration pipeline; 120, Inlet pipe; 121, Inlet; 122, Outlet; 123, Shell; 124, Shell cover; 125, Filter cartridge; 130, Scale inhibitor plate; 131, Connecting plate; 132, Adsorption structure; 133, Rotating column; 134, Activated strip; 135, First impeller; 140, Ball bearing; 141, First opening; 142, Second opening; 143, Support plate; 144, Second impeller; 145, Activated carbon column; 150, Through hole; 151, Bottom cover; 160, Retaining layer. Detailed Implementation
[0026] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.
[0027] Example 1 aims to address a problem in the purification process of piped drinking water: previously used activated carbon filters had an initial issue – the activated carbon was essentially static, like a pile of sand. As water flowed by, only the surface activated carbon came into contact with impurities, while the inner layers remained largely unused. Over time, this also led to clogging and clumping, affecting purification efficiency. Please refer to [link to relevant documentation]. Figures 1-6A piped direct drinking water purification device includes a water purifier body 110. Inside the water purifier body 110 is a quartz sand filter 111. It should be noted that the quartz sand filter 111 uses quartz sand as the filter medium, effectively removing large particulate impurities and suspended solids from the water, thus performing preliminary filtration. An activated carbon filter 112 is installed on the side of the quartz sand filter 111. The activated carbon in the activated carbon filter 112 has a rich porous structure, which can adsorb odors, residual chlorine, and some organic matter in the water, further purifying the water quality. A scale inhibitor filter 113 is also installed inside the water purifier body 110. It should be noted that the scale inhibitor filter is mainly used to prevent scale formation during subsequent water treatment and transportation, protecting the normal operation of the equipment and extending its service life. A high-pressure water pump 114 is installed on the side of the scale inhibitor filter 113. It should be noted that the function of the high-pressure water pump is to provide power for the flow of water within the water purifier, ensuring that water can smoothly pass through each filter component. To achieve an effective filtration process, the water purifier body 110 is equipped with three sets of nanofiltration pipes 115. It should be noted that the nanofiltration pipes utilize nanofiltration technology to remove some harmful substances from the water while retaining some minerals beneficial to the human body, achieving more refined water purification. The water purifier body 110 is also equipped with an inlet pipe 120 for water supply. The inlet pipe 120 is the channel through which water enters the water purifier, providing a water source for the entire water purification process. The inlet pipe 120 includes an inlet 121 and a first outlet 122. The scale inhibitor filter 113 includes a housing 123 and a cover 124. The cover 124 is threaded onto the top of the housing 123. A filter cartridge 125 is installed inside the housing 123. The filter cartridge 125 is connected to the water inlet of the cover 124. A scale inhibitor plate 130 is installed on the outside of the filter cartridge 125. A connecting plate 131 is installed on the bottom side of the filter cartridge 125. An adsorption structure 132 for adsorbing water is installed between the connecting plate 131 and the filter cartridge 125.
[0028] In practice, water enters the equipment body through the inlet 121 of the inlet pipe 120, first flowing through the quartz sand filter 111 for preliminary filtration, and then through the activated carbon filter 112 on the side for further adsorption of impurities and odors; then the water enters the scale inhibitor filter 113, flows into the filter cartridge 125 through the water inlet of the cover 124, the scale inhibitor plate 130 on the outside of the filter cartridge 125 prevents scale formation, and at the same time the adsorption structure 132 between the connecting plate 131 and the filter cartridge 125 adsorbs water, and the treated water flows out from the filter cartridge 125; then, under the action of the high-pressure water pump 114, the water flows through the three sets of nanofiltration pipes 115 in the water purifier body 110 for deep filtration and purification, and finally flows out from the first outlet 122 of the inlet pipe 120 for use.
[0029] The adsorption structure 132 includes a rotating column 133 rotatably fitted on the upper side of the connecting plate 131. An active strip 134 is installed on the side of the rotating column 133. Several active strips 134 are arranged in a linear array on the surface of the rotating column 133. A first impeller 135 is installed at the top of the rotating column 133. A ball bearing 140 is movably installed at the bottom of the rotating column 133. The ball bearing 140 is movably connected to the connecting plate 131.
[0030] In practice, when the water flows into the filter cartridge 125, it impacts the first impeller 135, causing it to rotate. During this rotation, the rotating column 133 rotates above the connecting plate 131. The active strip 134 also comes into contact with the water during this rotation, increasing its contact area and improving its adsorption efficiency for impurities, odors, and harmful substances in the water, thus enhancing the filtration and purification effect. Furthermore, the active strip 134 agitates the water flow during rotation, disrupting its original stable state and creating turbulence, preventing impurities from accumulating and clogging the filter cartridge 125, and ensuring smooth water flow.
[0031] In this embodiment: Water enters through inlet 121 of inlet pipe 120, first passing through quartz sand filter 111 to initially filter large particles of impurities, then through activated carbon filter 112 to adsorb odors and some organic matter; after entering scale inhibitor filter 113, the water flow impacts the first impeller 135, driving the rotating column 133 and activated strip 134 to rotate. The activated strip 134 agitates the water flow to prevent sedimentation and increases the adsorption area, while the scale inhibitor plate 130 prevents scale formation; subsequently, high-pressure water pump 114 pressurizes the water, causing it to pass through three sets of nanofiltration pipes 115 to deeply intercept bacteria, heavy metals, and other harmful substances; finally, clean water flows out from outlet 122. This process achieves highly efficient water purification, prevents equipment blockage and damage, improves filtration efficiency, and ensures stable water flow and pressure, continuously providing users with healthy and safe drinking water.
[0032] Example 2 aims to address the problem of insufficient resistance during water flow, which prevents the first impeller 135 from rotating properly. This example is an improvement upon Example 1. For details, please refer to [link / reference]. Figures 1-6 Several scale-inhibiting plates 130 are provided, and the scale-inhibiting plates 130 are installed in a linear array on the outside of the filter cartridge 125. Several first openings 141 are opened on the upper surface of the scale-inhibiting plate 130, and several second openings 142 are opened on the lower surface of the scale-inhibiting plate 130. The opening directions of the first openings 141 and the second openings 142 are opposite. The scale-inhibiting plate 130 is made of stainless steel plate, and the cross-sectional shape of the first openings 141 and the second openings 142 is triangular.
[0033] A support plate 143 is installed on the outside of the filter cartridge 125, a second impeller 144 is installed on the outside of the support plate 143, an activated carbon column 145 is installed on the second impeller 144, the shell 123 is set as a cylindrical body, and the outlet 122 of the shell cover 124 is connected to the inside of the shell 123.
[0034] In practical implementation, several stainless steel scale-inhibiting plates 130 installed in a linear array on the outside of the filter cartridge 125 play a role. Since the first opening 141 of several triangular cross-sections opened on the upper surface of the scale-inhibiting plate 130 and the second opening 142 of several triangular cross-sections opened on the lower surface are in opposite directions, the flow direction and flow state of the water flow are changed when passing through the scale-inhibiting plate 130. This special design can effectively interfere with the movement trajectory of calcium and magnesium ions in the water and prevent them from combining to form scale. Moreover, the setting of multiple scale-inhibiting plates 130 further enhances the scale-inhibiting effect. At the same time, the water flows downward through the scale-inhibiting plate. The first opening 141 and the second opening 142 on the surface of the scale-inhibiting plate 130 are in opposite directions, forming resistance, thereby causing the first impeller 135 above the rotating column 133 to rotate, improving the filtration effect.
[0035] In this embodiment: During scale inhibition filtration in the water purifier, several stainless steel scale inhibition plates 130 are linearly arrayed on the outer side of the filter cartridge 125, providing crucial support for its efficient scale inhibition. The scale inhibition plates 130 have several first and second openings 142 with triangular cross-sections on their upper and lower surfaces, respectively, with opposite directions. When water flows through the scale inhibition plates 130, the flow direction and flow pattern are altered due to the special opening directions, effectively interfering with the movement trajectory of calcium and magnesium ions in the water and preventing them from combining to form scale. The multiple scale inhibition plates 130 work together to significantly enhance the scale inhibition effect, preventing scale buildup in the filter cartridge 125 and subsequent devices, extending the equipment's service life, and reducing user maintenance and replacement costs.
[0036] Furthermore, as the water flows downwards past the scale-inhibiting plate 130, the reverse opening creates resistance, causing the first impeller 135 above the rotating column 133 to rotate. The rotation of the first impeller 135 creates turbulence in the water flow within the filter cartridge 125, ensuring thorough contact between the water and the filter media, scale-inhibiting plate 130, etc. This significantly improves the adsorption and interception efficiency of impurities in the water, enhancing the overall filtration effect.
[0037] Example 3 aims to further improve the filtration effect. This example is an improvement on Example 2. For details, please refer to [link / reference]. Figures 1-6 The filter cartridge 125 is a circular cylinder, and the filter cartridge 125 is a stainless steel tube. The scale inhibitor plate 130 has a circular cross-section.
[0038] A series of through holes 150 for water supply are provided at the connecting plate 131, arranged in a ring on the connecting plate 131. A bottom cover 151 is installed on the bottom side of the housing 123. The bottom cover 151 has a circular cross-section and a receiving layer 160 is provided inside the bottom cover 151. The receiving layer 160 communicates with the interior of the housing 123.
[0039] In this embodiment: the connecting plate 131 has several through holes 150 arranged in a ring array to provide a flow path for water, allowing the water that has passed through the scale inhibitor to flow smoothly downwards and reach the circular bottom cover 151 on the bottom side of the housing 123. The receiving layer 160 inside the bottom cover 151 is connected to the housing 123 and can settle and collect a small amount of residual impurities to further purify the water quality. In addition, the water flow through the scale inhibitor plate 130 forms resistance, which drives the first impeller 135 above the rotating column 133 to rotate, so that the water flow in the filter cylinder 125 forms turbulence, allowing the water flow to fully contact the filter medium and improve the adsorption and interception efficiency of impurities.
[0040] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.
[0041] The above description is only a preferred embodiment of the present invention. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present invention, and these improvements and modifications should also be considered within the scope of protection of the present invention.
Claims
1. A pipeline direct drinking water purifying device, comprising a water purifying machine body (110), characterized in that: The water purifier body (110) is equipped with a quartz sand filter (111) inside, an activated carbon filter (112) is installed on the side of the quartz sand filter (111), a scale inhibitor filter (113) is also installed inside the water purifier body (110), a high-pressure water pump (114) is installed on the side of the scale inhibitor filter (113), three sets of nanofiltration pipes (115) are installed inside the water purifier body (110), and an inlet pipe (120) for water supply is also installed in the water purifier body (110), the inlet pipe (120) includes an inlet (121) and a first outlet. The scale inhibitor filter (113) includes a housing (123) and a cover (124). The cover (124) is threaded onto the top of the housing (123). A filter cartridge (125) is installed inside the housing (123). The filter cartridge (125) is connected to the water inlet of the cover (124). A scale inhibitor plate (130) is installed on the outside of the filter cartridge (125). A connecting plate (131) is installed on the bottom side of the filter cartridge (125). An adsorption structure (132) for adsorbing water is installed between the connecting plate (131) and the filter cartridge (125).
2. The piped direct drinking water purification equipment according to claim 1, characterized in that: The adsorption structure (132) includes a rotating column (133) rotatably fitted on the upper side of the connecting plate (131). An active strip (134) is installed on the side of the rotating column (133). A plurality of active strips (134) are provided and are arranged in a linear array on the surface of the rotating column (133). A first impeller (135) is installed at the top of the rotating column (133). A ball bearing (140) is movably installed at the bottom of the rotating column (133). The ball bearing (140) is movably connected to the connecting plate (131).
3. The piped direct drinking water purification equipment according to claim 1, characterized in that: The scale inhibitor plate (130) is provided in a plurality of them. The plurality of scale inhibitor plates (130) are installed in a linear array on the outside of the filter cylinder (125). The upper surface of the scale inhibitor plate (130) is provided with a plurality of first openings (141), and the lower surface of the scale inhibitor plate (130) is provided with a plurality of second openings (142). The first openings (141) and the second openings (142) open in opposite directions.
4. The piped direct drinking water purification equipment according to claim 1, characterized in that: A support plate (143) is installed on the outside of the filter cartridge (125), a second impeller (144) is installed on the outside of the support plate (143), and an activated carbon column (145) is installed on the second impeller (144).
5. A piped direct drinking water purification device according to claim 1, characterized in that: The shell (123) is configured as a cylindrical body, and the outlet (122) of the shell cover (124) is connected to the interior of the shell (123).
6. The piped direct drinking water purification equipment according to claim 1, characterized in that: The filter cylinder (125) is a circular cylinder, the filter cylinder (125) is a stainless steel tube, and the scale inhibitor plate (130) has a circular cross-section.
7. A piped direct drinking water purification device according to claim 1, characterized in that: The connecting plate (131) is provided with a through hole (150) for water supply. Several through holes (150) are provided and arranged in a ring on the connecting plate (131).
8. A piped direct drinking water purification device according to claim 3, characterized in that: The scale inhibitor plate (130) is made of stainless steel, and the cross-sectional shape of the first opening (141) and the second opening (142) is triangular.
9. A piped direct drinking water purification device according to claim 1, characterized in that: The bottom cover (151) is installed on the bottom side of the housing (123). The bottom cover (151) has a circular cross-section and a receiving layer (160) is provided inside the bottom cover (151).
10. A piped direct drinking water purification device according to claim 9, characterized in that: The accommodating layer (160) communicates with the interior of the shell (123).