Water reservoir liquid level detection alarm device

Abstract

The utility model discloses a reservoir liquid level detection alarm device which comprises a reservoir body, a detection assembly, a water inlet pipeline, a signal bus, a water outlet pipeline and an alarm response device. A water inlet pipeline and a water outlet pipeline are respectively arranged in the reservoir body in a communicating manner; the detection assemblies are respectively arranged on the water inlet pipeline and the water outlet pipeline and inside the reservoir body, and the detection assemblies are in communication connection with the alarm response device through a signal bus. The water inlet pipe flow meter and the water outlet pipe flow meter are respectively arranged on the water inlet pipeline and the water outlet pipeline to monitor the inlet flow and the outlet flow of the reservoir body, meanwhile, the liquid level detection device is arranged to monitor the liquid level change in the reservoir body, and the alarm response device is used for analyzing parameters obtained by monitoring. Whether the current reservoir body leaks or not can be quickly confirmed, an alarm function is provided, the overall structure is simple and compact, and the device has the advantages of low cost and high detection precision.

Description

Technical Field

[0001] The utility model relates to the technical field of liquid level safety detection, in particular to a water tank liquid level detection alarm device. Background Art

[0002] The existing liquid level detection device can clearly read the liquid level of the reservoir, but it cannot reflect whether the change in the liquid level of the reservoir is a normal operating condition. In the chemical industry, for example, a factory that uses the ferroalloy industrial tail gas fermentation method to produce fuel ethanol will produce a variety of wastewaters during the production process, such as the clear liquid wastewater after the fermentation ceramic membrane filtration, the clear liquid wastewater produced after the protein section centrifugation, etc. These high-organic wastewaters need to be temporarily stored in sewage pools for treatment due to process reasons, but once leaked during the storage process, it will cause the groundwater COD, BOD5, SS, NH3-N, TP, TDS and other indicators to seriously exceed the standard, bacteria will grow in large numbers, and groundwater will cause water hypoxia after infiltration into the river, which will lead to the death of river protozoa such as fish and shrimp.

[0003] Therefore, a device for water reservoir liquid level alarm is urgently needed. Utility Model Content

[0004] In view of the above problems, the present utility model is proposed to provide a water tank liquid level detection alarm device that overcomes the above problems or at least partially solves the above problems.

[0005] The utility model provides a water tank liquid level detection alarm device, the water tank liquid level detection alarm device comprises: a water tank body, a detection component, a water inlet pipeline, a signal bus, a water outlet pipeline and an alarm response device; the water tank body is respectively connected with a water inlet pipeline and a water outlet pipeline; the detection component is respectively arranged on the water inlet pipeline and the water outlet pipeline and inside the water tank body, and the detection component is communicatively connected with the alarm response device through the signal bus;

[0006] The detection component includes at least one water inlet flowmeter, at least one liquid level detection device and at least one water outlet flowmeter; wherein the water inlet flowmeter is arranged on the water inlet pipeline to detect the sewage inlet flow rate of the water inlet pipeline and obtain the inflow flow data; the water outlet flowmeter is arranged on the water outlet pipeline to detect the sewage discharge flow rate of the water outlet pipeline and obtain the outflow flow data; the liquid level detection device is arranged in the water reservoir body to detect the liquid level height of the sewage in the water reservoir body and obtain the actual measured data of the liquid level height; the signal bus is used to feed back the obtained inflow flow data, outflow flow data and actual measured data of the liquid level height to the alarm response device.

[0007] Optionally, the water inlet of the water outlet pipeline extends to the bottom of the water reservoir body, and a submersible pump is provided at the water inlet of the water outlet pipeline.

[0008] Optionally, the water reservoir body includes a water reservoir bottom plate integrally cast by concrete and a water reservoir wall arranged around the water reservoir bottom plate.

[0009] Optionally, an anti-corrosion layer is provided on the bottom plate of the water reservoir and the inner wall side of the water reservoir wall.

[0010] Optionally, the anti-corrosion layer is a fiberglass layer, an asphalt layer or an acid-resistant brick layer.

[0011] Optionally, a manhole is opened on the top of the water reservoir wall, and the manhole is a rectangular window with a size of 1m*2m.

[0012] Optionally, the water inlet pipe flowmeter and the water outlet pipe flowmeter are both electromagnetic flowmeters, the liquid level detection device is an ultrasonic liquid level meter, and the alarm response device is a DCS control system with an alarm function.

[0013] Optionally, the water inlet pipeline and the water outlet pipeline are respectively provided with control valves, and the control valves are respectively communicatively connected with the alarm response device through a signal bus.

[0014] The technical solution provided in the embodiment of the utility model has at least the following technical effects or advantages:

[0015] The utility model provides a water tank liquid level detection alarm device, which monitors the inlet and outlet flow of the water tank body by respectively arranging an inlet pipe flow meter and an outlet pipe flow meter on the water inlet pipeline and the water outlet pipeline, and monitors the liquid level change in the water tank body by arranging a liquid level detection device. The alarm response device analyzes the parameters obtained by monitoring, so as to quickly confirm whether there is a leakage problem in the current water tank body and provide an alarm function. The overall structure is simple and compact, and has the advantages of low cost and high detection accuracy, and has broad application prospects.

[0016] The above description is only an overview of the technical solution of the utility model. In order to more clearly understand the technical means of the utility model, it can be implemented in accordance with the contents of the specification. In order to make the above and other purposes, features and advantages of the utility model more obvious and easy to understand, the specific implementation methods of the utility model are listed below. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0018] Figure 1 This is a schematic diagram of the top view of the structure of the water tank liquid level detection and alarm device of the utility model;

[0019] Figure 2 for Figure 1 Schematic diagram of the structure in the AA direction.

[0020] Description of reference numerals:

[0021] 1. Water reservoir bottom plate; 2. Water reservoir wall; 3. Submersible pump; 4. Water inlet pipeline; 5. Water inlet pipe flow meter; 6. Liquid level detection device; 7. Signal bus; 8. Water outlet pipe flow meter; 9. Water outlet pipeline; 10. Manhole; 11. Alarm response device. DETAILED DESCRIPTION

[0022] Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings.

[0023] In order to enable those skilled in the art to better understand the present invention, 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 described embodiments are only part of the embodiments of the present invention, not all of them. The drawings show preferred embodiments of the present invention. The present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the present invention more thorough and comprehensive.

[0024] Unless otherwise specified, various raw materials, instruments and equipment used in the present invention can be purchased from the market or prepared by existing methods.

[0025] Figure 1 This is a schematic diagram of the structure of a water tank liquid level detection alarm device provided by an embodiment of the utility model. Figure 2 This is a side view of the water tank liquid level detection alarm device of the utility model, see Figure 1-2As shown, the water tank liquid level detection alarm device includes a water tank body, a detection component, a water inlet pipeline 4, a signal bus 7, a water outlet pipeline 9 and an alarm response device 11; the water tank body is used to store sewage, and the water tank body is connected with a water inlet pipeline 4 and a water outlet pipeline 9, respectively, and the water inlet pipeline 4 and the water outlet pipeline 9 are used for the inflow and outflow of sewage respectively; the detection components are respectively arranged on the water inlet pipeline 4 and the water outlet pipeline 9 and inside the water tank body, and the detection components are communicatively connected with the alarm response device 11 through the signal bus 7; the detection component includes at least one water inlet pipe flowmeter 5, at least one liquid level detection device 6 and at least one water outlet pipe flowmeter 8; wherein, the water inlet pipe flowmeter 5 is arranged on the water inlet pipeline 4 to detect the water level of the water inlet pipe 4. The sewage inflow flow rate of the water pipeline 4 is measured, and the inflow flow data is obtained; the outlet pipe flowmeter 8 is arranged on the outlet pipeline 9, so as to detect the sewage discharge flow rate of the outlet pipeline 9, and obtain the outflow flow data; the liquid level detection device 6 is arranged in the water reservoir body, so as to detect the liquid level height of the sewage in the water reservoir body, and obtain the measured data of the liquid level height; the signal bus 7 feeds back the obtained inflow flow data, outflow flow data and measured data of the liquid level height to the alarm response device 11, so as to compare them with the preset theoretical data of the liquid level height after logical operation, and activate the built-in alarm function (such as alarm pop-up window, alarm or horn) of the alarm response device 11 when the preset alarm threshold is reached, so as to realize the alarm prompt to the operator.

[0026] In an embodiment of the utility model, the water inlet of the water outlet pipeline 9 extends to the bottom of the water reservoir body, and a submersible pump 3 is provided at the water inlet of the water outlet pipeline 9 to facilitate the extraction of sewage at the bottom of the water reservoir body and lift it to the outside, so that it can be suitable for water reservoirs of different depths.

[0027] The water tank body includes a water tank bottom plate 1 integrally cast by concrete and a water tank wall 2 arranged around the water tank bottom plate 1. For example, in an embodiment of the utility model, the conventionally selected thickness of the water tank bottom plate 1 is 650 mm, and the conventionally selected thickness of the water tank wall 2 is 500 mm. Of course, in other embodiments of the utility model, the thickness of the water tank bottom plate 1 and the water tank wall 2 can also be determined as other values ​​according to actual needs through mechanical and soil mechanics calculations.

[0028] In the embodiment of the utility model, since the water reservoir body is used to store sewage with a high organic matter content, in order to avoid corrosion of the water reservoir body as much as possible, the embodiment of the utility model performs anti-corrosion treatment on the water reservoir body by providing an anti-corrosion layer on the inner wall side of the water reservoir bottom plate 1 and the water reservoir wall 2, and the anti-corrosion layer includes but is not limited to a fiberglass layer, an asphalt layer or an acid-resistant brick layer.

[0029] A manhole 10 is provided on the top of the water tank wall 2. The manhole 10 is a rectangular window with a size of 1m*2m. Other sizes or shapes may also be selected in other embodiments of the utility model to facilitate water tank operators to enter the internal equipment of the water tank body to perform maintenance work.

[0030] In the embodiment of the utility model, the water inlet pipe flowmeter 5 and the water outlet pipe flowmeter 8 are both electromagnetic flowmeters, and the product models are both LDG-TJ-50-Z1J1C1D1P1T1E2X10. In other embodiments of the utility model, other product models can also be selected according to actual needs, and the embodiment of the utility model has no restrictions on this.

[0031] In the embodiment of the utility model, the liquid level detection device 6 is an ultrasonic liquid level meter, and the product model of the liquid level detection device 6 is Uson-11. In other embodiments of the utility model, other product models can also be selected according to actual needs, and the embodiment of the utility model has no limitation to this.

[0032] Specifically, in the embodiment of the utility model, the alarm response device 11 is a DCS control system with an alarm function. The DCS control system can use conventional equipment commonly used in the industry. The specific working principle of the alarm response device 11 for comparing the acquired inflow flow data, outflow flow data and liquid level height measured data with the preset alarm parameters is as follows:

[0033] Taking the internal space of the water storage tank as a rectangular cube as an example, the inflow flow data is defined as V1, the outflow flow data is defined as V2, the measured liquid level data is defined as △H1, the theoretical liquid level data is defined as △H2, the area of ​​the bottom plate 1 of the water storage tank is S, and the signal bus 7 transmits the inflow flow data V1, the outflow flow data V2, and the measured liquid level data △H1 to the alarm response device 11 in real time;

[0034] At this time, the time unit is defined as min, and the preset alarm threshold is mm. Then the alarm response device 11 performs the following logical operation according to the preset built-in logic:

[0035] Liquid level height theoretical data △H2=(V1-V2) / S

[0036] When △H2 / min-△H1 / min>mm, the alarm response device 11 activates the alarm function and then issues an alarm reminder.

[0037] Of course, it should be noted that in order to further improve the reliability of the operation of the device, the embodiment of the utility model is also provided with control valves on the water inlet pipeline 4 and the water outlet pipeline 9, respectively. The control valves are respectively communicated with the alarm response device 11 through the signal bus 7, so as to adjust the opening or closing of the water inlet pipeline 4 or the water outlet pipeline 9 accordingly by sending corresponding control signals to the control valves when the alarm function of the analysis system is activated, so as to realize flow control.

[0038] The water tank liquid level detection alarm device described in the embodiment of the utility model monitors the inlet and outlet flow of the water tank body by respectively arranging an inlet pipe flowmeter 5 and an outlet pipe flowmeter 8 on the inlet pipeline 4 and the outlet pipeline 9, and monitors the liquid level change in the water tank body by arranging a liquid level detection device 6. The parameters obtained by monitoring are analyzed by the alarm response device 11, so as to quickly confirm whether there is a leakage problem in the current water tank body, and remind the production management party of the abnormal sewage leakage problem through an alarm at the first time, so that the production management party can take emergency measures at the first time, minimize the sewage leakage, and reduce the pollution to the groundwater. The overall structure is simple and compact, and has the advantages of low cost and high detection accuracy, and has broad application prospects.

[0039] In the description provided herein, a large number of specific details are described. However, it is understood that embodiments of the present invention can be practiced without these specific details. In some instances, well-known methods, structures and techniques are not shown in detail so as not to obscure the understanding of this description.

[0040] Similarly, it should be understood that in order to streamline the present disclosure and aid in understanding one or more of the various utility model aspects, in the above description of the exemplary embodiments of the utility model, the various features of the utility model are sometimes grouped together into a single embodiment, figure, or description thereof. However, the disclosed method should not be interpreted as reflecting the following intention: the claimed utility model requires more features than the features explicitly stated in each claim. More specifically, as reflected in the following claims, the utility model aspects are less than all the features of the single embodiment disclosed above. Therefore, the claims following the specific embodiment are hereby expressly incorporated into the specific embodiment, wherein each claim itself serves as a separate embodiment of the utility model.

[0041] It should be noted that the above-mentioned embodiments illustrate rather than limit the invention and that those skilled in the art will be able to design alternative embodiments without departing from the scope of the appended claims.

Claims

1. A water tank liquid level detection alarm device, characterized in that: The water tank liquid level detection alarm device comprises: a water tank body, a detection component, a water inlet pipeline, a signal bus, a water outlet pipeline and an alarm response device; the water tank body is connected with a water inlet pipeline and a water outlet pipeline respectively; the detection component is respectively arranged on the water inlet pipeline and the water outlet pipeline and inside the water tank body, and the detection component is connected to the alarm response device through the signal bus; The detection component includes at least one water inlet flowmeter, at least one liquid level detection device and at least one water outlet flowmeter; wherein the water inlet flowmeter is arranged on the water inlet pipeline to detect the sewage inlet flow rate of the water inlet pipeline and obtain the inflow flow data; the water outlet flowmeter is arranged on the water outlet pipeline to detect the sewage discharge flow rate of the water outlet pipeline and obtain the outflow flow data; the liquid level detection device is arranged in the water reservoir body to detect the liquid level height of the sewage in the water reservoir body and obtain the actual measured data of the liquid level height; the signal bus is used to feed back the obtained inflow flow data, outflow flow data and actual measured data of the liquid level height to the alarm response device.

2. The water tank liquid level detection alarm device according to claim 1, characterized in that: The water inlet of the water outlet pipeline extends to the bottom of the water reservoir body, and a submersible pump is arranged at the water inlet of the water outlet pipeline.

3. The water tank liquid level detection alarm device according to claim 1, characterized in that: The water reservoir body comprises a water reservoir bottom plate integrally cast by concrete and a water reservoir wall arranged around the water reservoir bottom plate.

4. The water tank liquid level detection alarm device according to claim 3 is characterized in that: The bottom plate of the water reservoir and the inner wall side of the water reservoir wall are both provided with an anti-corrosion layer.

5. The water tank liquid level detection alarm device according to claim 4, characterized in that: The anti-corrosion layer is a glass fiber reinforced plastic layer, an asphalt layer or an acid-resistant brick layer.

6. The water tank liquid level detection alarm device according to claim 3, characterized in that: A manhole is provided on the top of the water reservoir wall, and the manhole is a rectangular window with a size of 1m*2m.

7. The water tank liquid level detection alarm device according to claim 1, characterized in that: The water inlet pipe flow meter and the water outlet pipe flow meter are both electromagnetic flow meters, the liquid level detection device is an ultrasonic liquid level meter, and the alarm response device is a DCS control system with an alarm function.

8. The water tank liquid level detection alarm device according to claim 1, characterized in that: The water inlet pipeline and the water outlet pipeline are respectively provided with control valves, and the control valves are respectively communicatively connected with the alarm response device through a signal bus.

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