Liquid level alarm device suitable for corrosive liquid

Abstract

The utility model provides a liquid level alarm device suitable for corrosive liquid, which comprises a floating body and is characterized in that a connecting rod is arranged on the floating body, the connecting rod upwards penetrates through a limiting component, an induction block is arranged on the connecting rod, the induction block is matched and connected with an induction switch, the floating body is a corrosion-resistant floating body, or a corrosion-resistant layer is arranged on the surface of the floating body. The floating body drives the connecting rod and the induction block to ascend to enable the induction block to be close to the induction switch, high-liquid-level alarming is achieved, the floating body drives the connecting rod and the induction block to descend to enable the induction block to be away from the induction switch, and therefore high-liquid-level alarming is relieved. The device can be used in a volume pool or a volume tank for containing corrosive liquid.

Description

TECHNICAL FIELD

[0001] The utility model relates to an alarm device, especially a liquid level alarm device suitable for corrosive liquid, and belongs to the technical field of chemical industry. BACKGROUND

[0002] The volume pool is widely applied in factories or large enterprises, and the liquid level of the volume pool is very important in the production process, and the liquid level should be controlled when it is high, otherwise the liquid in the pool will overflow and pollute the environment and cause environmental accidents. Generally, the volume pool is not guarded by a special person, and the liquid level of the volume pool is monitored by a liquid level meter. The conventional liquid level meter is not only expensive and precise in structure, but also complex to install. If it is used in a volume pool containing corrosive liquid, the liquid level meter is easily corroded and damaged. The user has to frequently replace the liquid level meter, resulting in high maintenance cost and poor stability. In addition, the liquid level meter is prone to false alarms, which may cause environmental accidents caused by overflow of the liquid in the volume pool. Therefore, it is necessary to improve the prior art. SUMMARY

[0003] To solve the problem that the existing liquid level meter is easily corroded and damaged when used in a volume pool storing corrosive liquid, the utility model provides a liquid level alarm device suitable for corrosive liquid.

[0004] The utility model discloses a liquid level alarm device suitable for corrosive liquid, which comprises a float, characterized in that a connecting rod is arranged on the float, the connecting rod penetrates through a limiting component upward, and a sensing block is arranged on the connecting rod, the sensing block is matched with a sensing switch, the float is a corrosion-resistant float, or a corrosion-resistant layer is arranged on the surface of the float, so that the sensing block is close to the sensing switch by driving the connecting rod and the sensing block upward by the float, high liquid level alarm is realized, the sensing block is away from the sensing switch by driving the connecting rod and the sensing block downward by the float, and high liquid level alarm is released. By adopting the corrosion-resistant float or the corrosion-resistant layer arranged on the surface of the conventional float, the corrosion resistance of the float is improved, and the device can be used in the volume pool or volume tank containing corrosive liquid.

[0005] The float is a polygonal body or a spherical body with a cavity arranged therein, so as to ensure that the float can rise or fall with the liquid surface.

[0006] The float is a stainless steel float, a ceramic float, a resin float, or a corrosion-resistant coal tar enamel layer, petroleum pitch layer, polyethylene adhesive tape, epoxy resin or polyolefin coating layer arranged outside the float, so as to ensure that the float can be used in corrosive liquid by the corrosion-resistant stainless steel, ceramic and resin materials or the corrosion-resistant layer arranged outside.

[0007] The induction block is arranged on the upper part of the connecting rod, and a corrosion-resistant layer is arranged on the outer part of the induction block, which is a coal tar enamel layer, a petroleum pitch layer, a polyethylene adhesive tape, an epoxy resin or a polyolefin coating layer, so that the corrosion-resistant ability of the induction block is improved by arranging the corrosion-resistant layer, and the cost is reduced.

[0008] The connecting rod is a vertical rod, the lower end of which is connected to the top of the float, and the upper end of which extends vertically upward, the connecting rod is a corrosion-resistant stainless steel rod, a ceramic rod or a resin rod, or a corrosion-resistant coal tar enamel layer, a petroleum pitch layer, a polyethylene adhesive tape, an epoxy resin or a polyolefin coating layer is arranged on the surface of the connecting rod, so that the induction block is driven up and down by the connecting rod.

[0009] The limiting assembly comprises a limiting sleeve arranged on the connecting rod below the induction block and a positioning sleeve arranged on the connecting rod above the induction block, the limiting sleeve and the positioning sleeve are respectively connected to the inner wall of the volume pool or the volume tank through horizontal connecting rods, so that the connecting rod moves according to the predetermined position through the limiting sleeve, and the positioning sleeve is used for preventing the upper end of the connecting rod from being pulled out.

[0010] The limiting sleeve and the positioning sleeve are corrosion-resistant stainless steel sleeves, ceramic sleeves or resin sleeves, or a corrosion-resistant coal tar enamel layer, a petroleum pitch layer, a polyethylene adhesive tape, an epoxy resin or a polyolefin coating layer is arranged on the outer part of the sleeve.

[0011] The induction switch is arranged on the inner wall of the volume pool or the volume tank through a short rod, and is arranged in the moving range of the induction block, the height of the induction switch is adapted to the maximum liquid level height of the volume pool or the volume tank, and the induction switch is electrically connected with an external audible and visual alarm device, so that the liquid level alarm is sent through the external audible and visual alarm device after the induction switch is triggered by the induction block.

[0012] The utility model has the following advantages and effects: by the above scheme, the induction block is close to the induction switch by the float driving the connecting rod and the induction block to rise, high liquid level alarm is realized, the induction block is away from the induction switch by the float driving the connecting rod and the induction block to fall, and thus the high liquid level alarm is released. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 The utility model is a structural diagram. DETAILED DESCRIPTION

[0014] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application. Embodiment

[0015] The liquid level alarm device suitable for corrosive liquid provided by the present application comprises a float 6, a connecting rod 5 arranged on the float 6, the connecting rod 5 upwardly penetrating through a limiting assembly, and an induction block 3 arranged on the connecting rod 5, the induction block 3 being matched with an induction switch 2, the float 6 being a corrosion-resistant float, so that the induction block 3 is caused to approach the induction switch 2 by the float 6 driving the connecting rod 5 and the induction block 3 to ascend, high liquid level alarm is realized, the induction block 3 is caused to move away from the induction switch 2 by the float 6 driving the connecting rod 5 and the induction block 3 to descend, and high liquid level alarm is released, and the device can be used in a volume pool or a volume tank containing corrosive liquid by adopting the corrosion-resistant float;

[0016] The float 6 is a polygonal body with a cavity arranged therein, so as to ensure that the float 6 can ascend or descend along with the liquid surface;

[0017] The float 6 is a stainless steel float, so that the liquid level alarm device can be used in corrosive liquid by the corrosion-resistant stainless steel float 6;

[0018] The connecting rod 5 is a vertical rod, the lower end of the connecting rod 5 is connected with the top of the float 6, and the upper end of the connecting rod 5 vertically extends upwardly, the connecting rod 5 is a corrosion-resistant stainless steel rod, so that the induction block 3 is caused to ascend or descend by the corrosion-resistant stainless steel rod;

[0019] The induction block 3 is arranged on the upper portion of the connecting rod 5, and a corrosion-resistant layer is arranged on the outside of the induction block 3, the corrosion-resistant layer is coal tar enamel, petroleum pitch, polyethylene adhesive tape, epoxy resin or polyolefin coating, so as to improve the corrosion resistance of the induction block 3 and reduce the cost by arranging the corrosion-resistant layer;

[0020] The limiting assembly comprises a limiting sleeve 4 arranged on the connecting rod 5 below the induction block 3 and a positioning sleeve 1 arranged on the connecting rod 5 above the induction block 3, the limiting sleeve 4 and the positioning sleeve 1 are respectively connected with the inner wall of the volume pool through horizontal rods 7, so that the connecting rod 5 is caused to move up and down along the predetermined position by the limiting sleeve 4, and the positioning sleeve 1 is used for preventing the upper end of the connecting rod 5 from being pulled out;

[0021] The limiting sleeve 4 and the positioning sleeve 1 are both corrosion-resistant stainless steel sleeves;

[0022] The inductive switch 2 is arranged on the inner wall of the volume pool through the short rod 8, and is arranged in the moving range of the inductive block 3, the height of the inductive switch 2 is adapted to the maximum liquid level height of the volume pool, and the inductive switch 2 is electrically connected with external sound and light alarm equipment, so that the liquid level alarm is given through the external sound and light alarm equipment after the inductive switch 2 is triggered by the inductive block 3.

[0023] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in combination with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0024] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principle of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A liquid level alarm device suitable for use with a corrosive liquid comprising a float, characterised in that The connecting rod is arranged on the floating body, penetrates the limiting assembly upwardly, and the inductive block is arranged on the connecting rod and matched with the inductive switch.

2. A liquid level alarm device suitable for use with a corrosive liquid according to claim 1, characterised in that The floating body is a polygonal body or a spherical body with a cavity.

3. A liquid level alarm device suitable for use with a corrosive liquid as claimed in claim 1, wherein The floating body is a stainless steel floating body, a ceramic floating body, or a resin floating body, or is provided with a coal tar enamel layer, a petroleum pitch layer, a polyethylene adhesive tape, an epoxy resin, or a polyolefin coating outside the floating body.

4. A liquid level alarm device suitable for use with a corrosive liquid as claimed in claim 1, characterised in that The inductive block is arranged on the upper part of the connecting rod, and the inductive block is provided with a corrosion-resistant layer outside.

5. A liquid level alarm device suitable for use with a corrosive liquid as claimed in claim 1, wherein The connecting rod is a vertical rod, the lower end of which is connected with the top of the floating body, and the upper end of which extends vertically upwardly, and the connecting rod is a corrosion-resistant stainless steel rod, a ceramic rod, or a resin rod, or is provided with a coal tar enamel layer, a petroleum pitch layer, a polyethylene adhesive tape, an epoxy resin, or a polyolefin coating outside the connecting rod.

6. A liquid level alarm device suitable for use with a corrosive liquid as defined in claim 1, further characterized by The limiting assembly comprises a limiting sleeve arranged on the connecting rod below the inductive block and a positioning sleeve arranged on the connecting rod above the inductive block, and the limiting sleeve and the positioning sleeve are respectively connected with the inner wall of the volume pool or the volume tank through horizontal connecting rods.

7. A liquid level alarm device suitable for use with a corrosive liquid according to claim 6, characterised in that The limiting sleeve and the positioning sleeve are corrosion-resistant stainless steel sleeves, ceramic sleeves, or resin sleeves, or are provided with a coal tar enamel layer, a petroleum pitch layer, a polyethylene adhesive tape, an epoxy resin, or a polyolefin coating outside the sleeves.

8. A liquid level alarm device suitable for use with a corrosive liquid as defined in claim 1, further characterized by The inductive switch is arranged on the inner wall of the volume pool or the volume tank through a short rod, and is arranged in the moving range of the inductive block, the height of the inductive switch is adapted to the maximum liquid level height of the volume pool or the volume tank, and the inductive switch is electrically connected with an external audible and light alarm device.

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