Corrosion-resistant foam liquid storage tank

By designing a corrosion-resistant foam liquid storage tank and adopting a double-layer structure with a stainless steel shell and HDPE inner liner, the existing steel liquid storage tank is solved for the problem of corrosion and leakage, achieving higher stability and safety.

CN222756970UActive Publication Date: 2025-04-15FUJIAN SHUANGLONG FIRE PROTECTION TECH CO LTD
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Patent Information

Application Number
CN202421530813.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-01
Publication Date
2025-04-15
Estimated Expiration
2034-07-01

AI Technical Summary

Technical Problem

The existing steel foam liquid storage tanks are easily corroded after long-term use, resulting in liquid leakage problems, and staff need to conduct regular inspections and replacements.

Method used

A corrosion-resistant foam reservoir is designed, using a stainless steel shell and an inner liner made of HDPE, combined with a suction pipe and a drain port to form a double-layer structure to prevent corrosion and leakage.

Benefits of technology

The foam liquid storage tank is corrosion-resistant and leak-proof, reducing the difficulty and cost of maintenance and inspection, and improving the stability and safety of the liquid storage tank.

✦ Generated by Eureka AI based on patent content.

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Abstract

The corrosion-resistant foam liquid storage tank comprises a stainless steel shell, an inner container and a liquid suction pipe, a round opening is formed in the top of the stainless steel shell, a liquid filling opening of the inner container extends out of the round opening, the liquid filling opening is in threaded connection with a cover body, a first round hole is formed in the side edge of the round opening, and a second round hole is formed in the side edge of the cover body. A first round hole is formed in the stainless steel shell, a second round hole opposite to the first round hole in position is formed in the inner container, a liquid suction opening is formed in the end, located outside the stainless steel shell, of the liquid suction pipe, the other end of the liquid suction pipe penetrates through the first round hole and the second round hole and is located in the inner container, and a first liquid drainage opening is formed in the center of the bottom of the stainless steel shell. The steel tank is provided with the inner container and the liquid outlet in the bottom of the stainless steel shell, so that corrosion resistance can be achieved, and the problem of liquid accumulation of the steel tank caused by liquid accumulation is solved.
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Description

Technical Field

[0001] The utility model relates to the technical field of foam storage, in particular to a corrosion-resistant foam liquid storage tank. Background Art

[0002] Foam storage tanks are widely used in tunnels, petrochemical enterprises, oil depots, gas stations, ports and other key places. They are crucial to the maintenance of fire safety. Foam liquid needs to be stored in foam storage tanks for emergency use. Most of the existing storage tanks are steel storage tanks with single-layer structures. However, the foam liquid used for fire fighting is generally corrosive. After long-term use, steel storage tanks are prone to corrosion and leakage. This requires staff to conduct regular inspections and replace them in time when leakage is found. Utility Model Content

[0003] The utility model aims to provide a corrosion-resistant foam liquid storage tank with an inner tank and a liquid discharge port at the bottom of a stainless steel shell, which can solve the problems of corrosion resistance and liquid leakage.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a corrosion-resistant foam liquid storage tank, characterized in that it includes a stainless steel shell, an inner tank and a liquid suction tube, the top of the stainless steel shell is provided with a circular opening, the filling port of the inner tank extends out of the circular opening, the filling port is threadedly connected to a cover body, a first circular hole is provided on the side of the circular opening, the inner tank is provided with a second circular hole opposite to the position of the first circular hole, the liquid suction port is provided at one end of the liquid suction tube located outside the stainless steel shell, the other end of the liquid suction tube passes through the first circular hole and the second circular hole, and is located in the inner tank, and a first liquid discharge port is provided at the bottom center of the stainless steel shell.

[0005] Furthermore, a plurality of visual windows are provided on the outer surface of the stainless steel shell, and the positions and heights of the visual windows are all different.

[0006] Furthermore, the stainless steel shell is provided with a second liquid discharge port at each end corner.

[0007] Furthermore, a lifting lug is fixed to the upper end of the outer side of the stainless steel shell.

[0008] Furthermore, a groove is provided at the bottom of the inner container at a position opposite to the position of the pipette, and a slope of 1-3° is provided at the outer portion of the bottom of the inner container in the direction of the groove.

[0009] Furthermore, the inner liner is a translucent plastic tank.

[0010] Furthermore, a supporting portion is provided at the bottom of the inner container.

[0011] Beneficial effects of the utility model: the box body made by the utility model has excellent sealing performance, and has excellent low temperature resistance, chemical stability and corrosion resistance compared to single-layer steel foam liquid storage tanks. The use of a plastic liner can solve the problem of liquid leakage during foam storage; at the same time, the use of a translucent box body makes it easier to observe the height of the foam liquid level, reducing the difficulty of daily maintenance. The structure of the utility model is set as a double-layer, and the liner adopts the existing HDPE material to achieve corrosion resistance, which can prevent leakage caused by corrosion problems. At the same time, a drain port is set at the bottom of the stainless steel shell to drain the accumulated liquid between the liner and the stainless steel shell interlayer. The production and maintenance costs of the box body and the manual inspection costs are greatly reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the structure of the utility model;

[0013] Figure 2 For this utility model Figure 1 A cross-sectional view of

[0014] Figure 3 This is a structural cross-sectional view of the foam liquid storage tank in the utility model in the front view direction;

[0015] Figure 4 It is a bottom view of the foam liquid storage tank in the utility model.

[0016] Wherein: 1. stainless steel shell, 2. liner, 3. pipette, 4. circular opening, 5. filling port, 6. cover body, 71. first circular hole, 72. second circular hole, 8. pipette port, 9. first discharge port, 10. visual window, 11. second discharge port, 12. lifting ear, 13. groove, 14. supporting part. DETAILED DESCRIPTION

[0017] The present invention is further described below in conjunction with the accompanying drawings. For better understanding, the orientation of the present invention is described according to the orientation shown in the accompanying drawings and cannot be understood as a limitation of the present application; the following terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0018] See also Figures 1 to 4The utility model provides an embodiment: a corrosion-resistant foam liquid storage tank, characterized in that it includes a stainless steel shell 1, an inner liner 2 and a liquid pipette 3, a circular opening 4 is provided on the top of the stainless steel shell 1, a liquid filling port 5 of the inner liner 2 extends out of the circular opening 4, the liquid filling port 5 is threadedly connected with a cover body 6, a first circular hole 71 is provided on the side of the circular opening 4, a second circular hole 72 is provided on the inner liner 2 which is opposite to the first circular hole 71, a liquid pipette 3 is provided with a liquid filling port 8 at one end outside the stainless steel shell 1, and the other end of the liquid pipette 3 passes through the first circular hole 71 and the second circular hole 72 and is located in the inner liner 2, and a first liquid discharge port 9 is provided at the bottom center of the stainless steel shell 1. The outer box of the stainless steel shell 1 can protect the inner liner 2, and the stainless steel shell 1 is a square shell, which can make the placement more stable, and the inner liner 2 can be made of HDPE material to prevent leakage caused by corrosion. The capacity of the inner tank 2 can be 30L. The foam liquid solution is poured into the inner tank 2 from the filling port 5 for storage. When in use, the foam liquid in the inner tank 2 is sucked out through the pipette 3. The accumulated liquid in the interlayer between the stainless steel shell 1 and the inner tank 2 will flow out from the first drain port 9 at the bottom of the stainless steel to prevent the accumulated liquid from corroding the stainless steel.

[0019] Please continue reading Figure 1 As shown, in one embodiment of the utility model, a plurality of visual windows 10 are provided on the outer surface of the stainless steel shell 1, and the positions and heights of the visual windows 10 are all different. The plurality of visual windows 10 can observe the position of the foam liquid in the inner tank 2, and the positions and heights are all different, so that the position where the liquid level of the foam liquid drops can be observed.

[0020] Please continue reading Figure 4 As shown, in one embodiment of the utility model, the end corners of the stainless steel housing 1 are all provided with second drainage ports 11. The second drainage ports 11 can discharge the accumulated liquid at the internal end corners, thus achieving a better drainage effect.

[0021] Please continue reading Figure 1 As shown, in one embodiment of the utility model, a lifting lug 12 is fixed to the upper end of the outer side of the stainless steel shell 1. The lifting lug 12 can be used to fix the position of the foam liquid storage tank or to lift it during the transportation process.

[0022] Please continue reading Figure 2 , Figure 3As shown, in one embodiment of the utility model, a groove 13 is provided at the bottom of the inner container 2 where it is opposite to the position of the liquid pipette 3, and a slope of 1-3° is provided at the outer part of the bottom of the inner container 2 toward the direction of the groove 13. The bottom of the inner container 2 is provided with a slope of 1-3° from the outer part to the part facing the groove 13, so that when there is only a little liquid left inside the inner container 2, it can flow to the groove 13 due to the influence of gravity, and the bottom of the liquid pipette 3 is located in the groove 13, so that the foam liquid in the groove 13 can be continuously absorbed, so as to ensure that the foam liquid in the inner container 2 is fully sucked out and reduce the waste of foam liquid.

[0023] Please continue reading Figures 1 to 4 As shown, in one embodiment of the utility model, the inner liner 2 is a translucent plastic tank body. The translucent plastic tank body can clearly see the liquid level in the inner liner 2, making it easy for staff to observe.

[0024] Please continue reading Figure 3 As shown, in one embodiment of the utility model, a support portion 14 is provided at the bottom of the inner liner 2. The support portion 14 can stably place the plastic inner liner 2 in the stainless steel shell 1, while ensuring that the bottom of the plastic inner liner 2 will not be soaked by the accumulated liquid dripping into the interlayer between the stainless steel shell 1 and the inner liner 2, and will not hinder the accumulated liquid from being discharged from the first liquid discharge port 9 and the second liquid discharge port 11.

[0025] The utility model has the following working principle: the outer box of the stainless steel shell 1 can protect the inner tank, the foam solution is poured into the inner tank from the filling port for storage, and the foam liquid in the inner tank is sucked out through the pipette 3 when in use, and the accumulated liquid that drips into the interlayer between the stainless steel shell and the inner tank flows out from the first liquid discharge port and the second liquid discharge port at the bottom of the stainless steel to prevent the accumulated liquid from corroding the stainless steel shell.

[0026] The above description is only a preferred embodiment of the present utility model and cannot be understood as a limitation of the present application. All equivalent changes and modifications made within the scope of the patent application of the present utility model shall fall within the scope of the present utility model.

Claims

1. A corrosion-resistant foam liquid storage tank, characterized in that: The invention comprises a stainless steel shell, an inner liner and a liquid pipette, wherein a circular opening is provided on the top of the stainless steel shell, a liquid filling port of the inner liner extends out of the circular opening, a cover body is threadedly connected to the liquid filling port, a first circular hole is provided on the side of the circular opening, a second circular hole opposite to the position of the first circular hole is provided on the inner liner, a liquid pipette is provided with a liquid filling port at one end located outside the stainless steel shell, the other end of the liquid pipette passes through the first circular hole and the second circular hole and is located in the inner liner, and a first liquid discharge port is provided at the bottom center of the stainless steel shell.

2. A corrosion-resistant foam liquid storage tank according to claim 1, characterized in that: A plurality of visual windows are provided on the outer surface of the stainless steel shell, and the positions and heights of the visual windows are all different.

3. The corrosion-resistant foam liquid storage tank according to claim 1, characterized in that: The end corners of the stainless steel shell are all provided with second liquid discharge ports.

4. The corrosion-resistant foam liquid storage tank according to claim 1, characterized in that: A lifting lug is fixed on the upper end of the outer side of the stainless steel shell.

5. The corrosion-resistant foam liquid storage tank according to claim 1, characterized in that: A groove is arranged at the bottom of the inner container at a position opposite to the position of the liquid pipette, and a slope of 1-3° is arranged at the outer part of the bottom of the inner container toward the groove.

6. The corrosion-resistant foam liquid storage tank according to claim 1, characterized in that: The inner container is a translucent plastic tank.

7. The corrosion-resistant foam liquid storage tank according to claim 1, characterized in that: A supporting portion is arranged at the bottom of the inner container.