Filtering device for nitrogen-sealed water tank

Abstract

The utility model belongs to the technical field of nitrogen-sealed water tanks, and particularly relates to a filtering device for a nitrogen-sealed water tank, which comprises a base and the nitrogen-sealed water tank, an overflow pipe is connected to the top of the nitrogen-sealed water tank, a water replenishing pipe is fixedly connected above the left side of the nitrogen-sealed water tank, and the other end of the water replenishing pipe is connected to a filtering tank. A filtering structure is arranged in the filtering box, an exhaust port is connected to the upper portion of the left side of the nitrogen-sealed water tank, and a drainage pipe is connected to the lower portion of the left side of the nitrogen-sealed water tank; the filtering structure comprises a water inlet, a water outlet, a supporting seat, a spring, a filtering net plate, a connecting seat, a primary-efficiency filtering layer, a medium-efficiency filtering layer and an activated carbon layer. According to the filtering device for the nitrogen-sealed water tank, by arranging the primary-efficiency filtering layer, the medium-efficiency filtering layer and the activated carbon layer, multi-stage filtering of impurities in water is achieved, and the water quality is effectively improved. The primary-effect filter layer blocks large-particle impurities, the medium-effect filter layer removes small particles and suspended solids, and the activated carbon layer further adsorbs harmful substances.

Description

TECHNICAL FIELD

[0001] The utility model relates to nitrogen seal water tank technical field, concretely for a filter device for nitrogen seal water tank. BACKGROUND

[0002] Nitrogen seal water tank is a special water storage equipment, and its design principle is based on nitrogen sealing technology. The main purpose of nitrogen seal water tank is to maintain the stable gas pressure inside the water tank by introducing and discharging nitrogen while storing water, so as to prevent oxygen or other impurities in the external air from entering the water tank and protect the water quality from pollution.

[0003] The Chinese patent with publication number CN219177447U discloses a PVC nitrogen seal water tank with strong sealing, which comprises an upper sealing plate, a first connecting pipe, a second connecting pipe, an exhaust port, a U-shaped pipe, an inner sleeve, a suction cup, a lower sealing plate, and a lower sealing tank. The upper sealing plate is provided with the first connecting pipe and the second connecting pipe, and the exhaust port is arranged on the upper sealing plate. The first connecting pipe is connected with the U-shaped pipe, and the inner sleeve is arranged in the end of the U-shaped pipe. The end of the U-shaped pipe is provided with the suction cup, and the suction cup is connected with an external pipe sleeve. The external pipe sleeve is connected with an external pipe body. The upper sealing plate is connected with a transparent barrel, and the transparent barrel is connected with the lower sealing plate. The lower sealing plate is connected with a plug rod and a pipe. The transparent barrel is connected with the lower sealing tank, and the lower sealing tank is provided with a mounting hole.

[0004] The existing technical solutions in the above have the following defects: Nitrogen seal water tank is usually used to store or process water with certain requirements on water quality, such as ultrapure water, deionized water, etc. However, the water tank described in this patent does not contain a water filtration device, which means that if the water source contains impurities or particles, these impurities may directly enter the water tank, affecting the water quality. After the impurities enter the water tank, they may adhere to the inner wall of the water tank, pipes or other components, causing a decrease in system stability and increasing the difficulty and cost of system maintenance. In addition, after long-term operation, these impurities may form scale or blockage, affecting the normal operation of the system.

[0005] Therefore, we propose a filter device for nitrogen seal water tank to solve the above problems. INVENTION CONTENTS

[0006] The utility model aims at providing a filter device for nitrogen seal water tank to solve the problem of insufficient water quality protection in the background technology.

[0007] To achieve the above object, the utility model provides following technical scheme: a filter device for nitrogen seal water tank, including base and nitrogen seal water tank, the top of nitrogen seal water tank is connected with overflow pipe, the upper left side of nitrogen seal water tank is fixedly connected with water replenishing pipe, the other end of water replenishing pipe is connected in filter box, the inside of filter box is provided with filter structure, the upper left side of nitrogen seal water tank is connected with exhaust port, the lower left side of nitrogen seal water tank is connected with drain pipe,

[0008] The filter structure includes a water inlet, a water outlet, a support seat, a spring, a filter screen, a connecting seat, a primary filter layer, a medium filter layer, and an activated carbon layer. The water inlet and the water outlet are respectively arranged on both sides of the filter box. The water replenishing pipe is arranged at the water outlet. The water inlet is connected with a water inlet pipe. The support seats are arranged in pairs on the right side of the inside of the filter box. The springs are arranged on both sides of the right side of the support seat. The filter screen is connected with the right end of the spring on the left side. The connecting seats are arranged in three groups on the left side of the support seat. The primary filter layer, the medium filter layer, and the activated carbon layer are respectively and slidably connected between two opposite connecting seats.

[0009] Preferably, the primary filter layer is made of non-woven fabric material. The non-woven fabric material has good air permeability and filtering performance, can effectively block large particles from entering the subsequent filter layer, and prolongs the service life of the entire filter system. At the same time, the non-woven fabric material has relatively low cost, is easy to replace and maintain.

[0010] Preferably, the medium filter layer is made of glass fiber material. The glass fiber material has high filtering efficiency and strength, can further remove small particles and suspended solids in water, and improve water quality. In addition, the glass fiber material has good corrosion resistance and high temperature resistance, and is suitable for various complex environments.

[0011] Preferably, the filter screen is composed of a metal frame and a nylon mesh. The metal frame provides sufficient strength and stability to ensure that the filter screen is not easily deformed or damaged during long-term use. The nylon mesh has good filtering effect and wear resistance, can effectively block impurities and prolong the service life.

[0012] Preferably, the nitrogen seal water tank is provided with a partition plate. The partition plate is provided with a communication pipe. When the gas pressure in the water tank increases, the gas in the water tank is discharged through the pipeline to the water seal tank. The water in the water seal tank enters the lower partition plate through the connecting pipe and is discharged through the drain pipe, so as to keep the gas pressure in the water tank stable.

[0013] Preferably, the outer wall of the filter box is provided with a transparent observation window, which facilitates the staff to intuitively check the working state of the filter structure and the pollution degree of the filter layer, and timely arrange cleaning or replacement work.

[0014] Preferably, the base is made of heavy steel material, and the bottom is provided with anti-skid pads, and the periphery is provided with fixed mounting holes. The base made of heavy steel material has sufficient bearing capacity and stability, which can ensure that the whole filter device is not easy to fall or damage in long-term use. The anti-skid pads increase the friction between the base and the ground, and improve the safety of the whole device. The fixed mounting holes facilitate the firm installation of the filter device at the specified position, and avoid movement or shaking.

[0015] Compared with the prior art, the filter device for nitrogen sealing water tank has the following beneficial effects:

[0016] 1. The filter device for nitrogen sealing water tank, by setting the primary filter layer, the medium filter layer and the activated carbon layer, realizes multi-stage filtration of impurities in water, and effectively improves water quality. The primary filter layer blocks large particle impurities, the medium filter layer removes small particles and suspended solids, and the activated carbon layer further adsorbs harmful substances, so as to ensure that the water quality meets the standard.

[0017] 2. The filter device for nitrogen sealing water tank, the partition plate and the communication pipe arranged in the nitrogen sealing water tank can effectively manage the gas pressure in the water tank. When the gas pressure rises, the gas is discharged to the water sealing tank through the communication pipe, and then discharged through the drain pipe, so as to keep the gas pressure in the water tank stable, and avoid damage to the water tank due to excessive gas pressure. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a whole front structure schematic view of the utility model;

[0019] Figure 2 It is a whole side structure schematic view of the utility model;

[0020] Figure 3 It is a nitrogen sealing water tank internal structure schematic view of the utility model;

[0021] Figure 4 It is a filter box internal structure schematic view of the utility model.

[0022] In the drawing: 1 nitrogen sealing water tank, 101 base, 2 exhaust port, 301 water replenishing pipe, 302 water inlet pipe, 4 drain pipe, 5 overflow pipe, 6 filter box, 601 water inlet, 602 water outlet, 603 support seat, 604 spring, 605 filter screen plate, 606 connecting seat, 7 partition plate, 8 communication pipe, 9 primary filter layer, 10 medium filter layer, 11 activated carbon layer. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] See also Figures 1-4 , the utility model provides a technical solution:

[0025] Example 1:

[0026] A filtration device for a nitrogen-sealed water tank includes a base 101 and a nitrogen-sealed water tank 1. The base 101 provides a stable support platform, ensuring that the entire device can be securely placed on the ground. The nitrogen-sealed water tank 1 stores and protects water, reducing water contamination and maintaining stable water quality through nitrogen sealing.

[0027] An overflow pipe 5 is connected to the top of the nitrogen-sealed water tank 1. This automatically drains excess water when the water level is too high, preventing overflow. A water supply pipe 301 is fixedly connected to the upper left side of the nitrogen-sealed water tank 1 to replenish filtered water into the tank, ensuring sufficient water. The other end of the water supply pipe 301 is connected to a filter box 6, which houses the filtration structure and performs multi-stage filtration on the water entering the nitrogen-sealed water tank 1.

[0028] The outer wall of the filter box 6 is provided with a transparent observation window, which allows staff to observe the working status of the filter structure and the degree of contamination of the filter layer, facilitating maintenance. The filter box 6 is provided with a filter structure inside. The upper left side of the nitrogen-sealed water tank 1 is connected to an exhaust port 2, and the lower left side of the nitrogen-sealed water tank 1 is connected to a drain pipe 4, which is used to introduce water to be filtered and discharge filtered water, respectively.

[0029] The filtration structure includes a water inlet 601, a water outlet 602, a support seat 603, a spring 604, a filter screen 605, a connecting seat 606, a primary filter layer 9, a medium filter layer 10, and an activated carbon layer 11. The water inlet 601 and the water outlet 602 are respectively provided on both sides of the filter box 6. The water supply pipe 301 is provided at the water outlet 602. The water inlet 601 is connected to the water inlet pipe 302. The support seats 603 are respectively provided in groups of two on the right side of the filter box 6 to provide stable support and ensure that the filtration structure can be firmly installed in the filter box. The springs 604 are respectively provided on both sides of the right side of the support seat 603 to provide elastic support for the filter screen, so that the filter screen maintains stability when subjected to water flow impact. The left side of the filter screen 605 is connected to the right end of the spring 604 to prevent large particles of impurities from entering the subsequent filter layer and protect the subsequent filter layer from damage. There are three groups of connecting seats 606, each of two, which are respectively arranged on the left side of the support seat 603 and are used to connect and fix the primary filter layer, the medium filter layer and the activated carbon layer to ensure that the filter layer can work stably.

[0030] The primary filter layer 9, the medium filter layer 10, and the activated carbon layer 11 are respectively slidably connected between two opposing connection seats 606. The primary filter layer 9 is made of non-woven fabric to effectively block large particles of impurities and improve filtration efficiency. The activated carbon layer 11 absorbs harmful substances in the water, such as chlorine and heavy metals, to ensure the safety of the effluent water quality. The filter plate 605 is composed of a metal frame and a nylon mesh. A partition 7 is provided inside the nitrogen-sealed water tank 1, and a connecting pipe 8 is provided in the middle of the partition 7 to discharge wastewater or excess water in the water tank and maintain a moderate water volume in the water tank.

[0031] Example 2:

[0032] Building on the foundation of Example 1, base 101 is constructed from heavy-duty steel, offering increased load-bearing capacity and stability, ensuring the entire filter device resists tipping or damage during long-term use. A non-slip pad is also provided on the bottom to increase friction between the base and the ground, preventing the filter device from sliding or shifting during use and enhancing safety. Fixed mounting holes are provided around the perimeter to securely mount the filter device in place, preventing movement or shaking and ensuring stable operation.

[0033] Working principle: The water to be filtered enters the water inlet 601 of the filter box 6 through the water inlet pipe 302. The water first passes through the primary filter layer 9, which is made of non-woven fabric material and can effectively block large particles of impurities, thereby improving the filtration efficiency of the subsequent filter layers. The water after the primary filtration enters the medium-efficiency filter layer 10, which uses finer filter materials to further remove tiny particles and suspended matter in the water. Finally, the water passes through the activated carbon layer 11. Activated carbon has a strong adsorption capacity and can absorb harmful substances in the water, such as chlorine and heavy metals, thereby ensuring the safety of the outlet water quality. The water after the three-stage filtration enters the nitrogen-sealed water tank 1 through the water outlet 602 and the water supply pipe 301. When the water level in the water tank drops, the system will automatically replenish the filtered water through the water supply pipe 301 to keep the water level in the water tank sufficient.

[0034] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or device. In the absence of further limitations, an element defined by the phrase "comprising a..." does not exclude the presence of additional identical elements in the process, method, article, or device comprising the element.

Claims

1. A filtering device for a nitrogen-sealed water tank, comprising a base (101) and a nitrogen-sealed water tank (1), characterized in that: The top of the nitrogen-sealed water tank (1) is connected to an overflow pipe (5), the upper left side of the nitrogen-sealed water tank (1) is fixedly connected to a water supply pipe (301), the other end of the water supply pipe (301) is connected to a filter box (6), a filter structure is provided inside the filter box (6), the upper left side of the nitrogen-sealed water tank (1) is connected to an exhaust port (2), and the lower left side of the nitrogen-sealed water tank (1) is connected to a drain pipe (4); The filtering structure comprises a water inlet (601), a water outlet (602), a support seat (603), a spring (604), a filter screen (605), a connecting seat (606), a primary filter layer (9), a medium filter layer (10) and an activated carbon layer (11); the water inlet (601) and the water outlet (602) are respectively provided on both sides of the filter box (6); the water supply pipe (301) is provided at the water outlet (602); the water inlet (601) is connected to the water inlet pipe (302); The support seats (603) are arranged in groups of two on the right side of the filter box (6), the springs (604) are arranged on both sides of the right side of the support seat (603), the left side of the filter screen (605) is connected to the right end of the spring (604), and the connecting seats (606) are arranged in groups of two, with a total of three groups, which are arranged on the left side of the support seat (603). The primary filter layer (9), the medium filter layer (10) and the activated carbon layer (11) are respectively slidably connected between two opposite connecting seats (606).

2. A filtering device for a nitrogen-sealed water tank according to claim 1, characterized in that: The interior of the primary filter layer (9) is made of non-woven fabric material.

3. A filtering device for a nitrogen-sealed water tank according to claim 1, characterized in that: The interior of the medium-efficiency filter layer (10) is made of glass fiber material.

4. The filtering device for a nitrogen-sealed water tank according to claim 1, characterized in that: The filter screen plate (605) is composed of a metal frame and a nylon mesh.

5. The filtering device for a nitrogen-sealed water tank according to claim 1, characterized in that: A partition (7) is provided inside the nitrogen-sealed water tank (1), and a connecting pipe (8) is provided in the middle of the partition (7).

6. The filtering device for a nitrogen-sealed water tank according to claim 1, characterized in that: The outer wall of the filter box (6) is provided with a transparent observation window.

7. The filtering device for a nitrogen-sealed water tank according to claim 1, characterized in that: The base (101) is made of heavy steel, and a non-slip pad is provided on the bottom, and fixed installation holes are opened around it.

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