Emergency alum adding system for water plant

Abstract

The emergency alum adding system comprises a reaction sedimentation tank, a remote upper computer, a field control cabinet, a alum storage tank and an emergency alum barrel, a turbidity monitor is arranged in the reaction sedimentation tank, a feeding opening is formed in the upper end of the reaction sedimentation tank, a pipeline A is communicated between the output end of the emergency alum barrel and the feeding opening, and the pipeline A is communicated with the remote upper computer. An electric adjusting valve and a flow meter are arranged between the pipeline A and the emergency alum barrel, an alum conveying pipeline is communicated between the alum storage pool and the emergency alum barrel, an electric ball valve is arranged between the alum conveying pipeline and the emergency alum barrel, and a liquid level meter is arranged in the emergency alum barrel. The turbidity monitor is arranged to monitor the turbidity of the reaction sedimentation tank, the remote upper computer or the field control cabinet is used for sending an instruction to control the electric control valve and the flow meter to add the alum agent for treatment, remote control and field control are matched, operation is convenient and flexible, the air blowing mixing function is achieved through the air compressor, and the alum agent is prevented from precipitating.

Description

Technical Field

[0001] The utility model relates to, but is not limited to, the field of water treatment technology. Specifically, it relates to an emergency alum dosing system for a waterworks. Background Art

[0002] During the water treatment process, alum agents (such as alum) are usually used to remove suspended solids and impurities in water. However, in case of an emergency such as a broken flow in the alum dosing system of the reaction sedimentation tank or an excessive turbidity in the reaction sedimentation tank, the waterworks needs to quickly and effectively dose alum agents to ensure water quality. The traditional method can only perform emergency treatment through manual judgment, which often affects the progress of water treatment due to inaccurate judgment. Therefore, it is necessary to design an emergency alum dosing system for a waterworks. Summary of the Utility Model

[0003] The technical problem to be solved by the utility model is to overcome the defects of the prior art and provide an emergency alum dosing system for a waterworks.

[0004] To solve the above technical problem, the utility model provides the following technical solutions:

[0005] An emergency alum dosing system for a waterworks of the utility model includes a reaction sedimentation tank, a remote host computer, a field control cabinet, a alum storage tank and an emergency alum barrel. A turbidity monitor is arranged inside the reaction sedimentation tank, and a dosing port is arranged at the upper end of the reaction sedimentation tank. A pipeline A is connected between the output end of the emergency alum barrel and the dosing port. An electric control valve and a flowmeter are arranged between the pipeline A and the emergency alum barrel, and the flowmeter is located near the end of the pipeline A.

[0006] An alum conveying pipeline is connected between the alum storage tank and the emergency alum barrel, and the alum conveying pipeline is located at the input end of the emergency alum barrel. An electric ball valve is arranged between the alum conveying pipeline and the emergency alum barrel, and a liquid level gauge is arranged inside the emergency alum barrel.

[0007] As a preferred technical solution of the utility model, the output ends of the turbidity monitor, the flowmeter and the liquid level gauge are all communicatively connected to the input end of the field control cabinet, the input ends of the electric control valve and the electric ball valve are all communicatively connected to the output end of the field control cabinet, and the field control cabinet is wirelessly communicatively connected to the remote host computer.

[0008] As a preferred technical solution of the utility model, a vent pipe is arranged between the pipeline A and the alum storage tank, and an overflow pipe is connected to one side of the emergency alum barrel. The input end of the vent pipe is connected to the pipeline A, and the output end of the vent pipe is connected to the overflow pipe.

[0009] As a preferred technical solution of the present utility model, the input end of the overflow pipe is communicated with the emergency alum bucket, and the output end of the overflow pipe is communicated with one side of the vent pipe.

[0010] As a preferred technical solution of the present utility model, a lift pump is arranged between the emergency alum bucket and the alum conveying pipeline. The input end of the lift pump is communicated with the alum storage tank through the alum conveying pipeline, and the output end of the lift pump is communicated with the emergency alum bucket through the alum conveying pipeline.

[0011] As a preferred technical solution of the present utility model, the pipeline A is arranged on one side near the bottom of the emergency alum bucket. A manual valve is communicated with one side of the pipeline A. An air compressor is arranged on the other side of the emergency alum bucket, and an air conveying pipeline is communicated between the air compressor and the emergency alum bucket.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] The present utility model monitors the turbidity of the reaction sedimentation tank by setting a turbidity monitor, issues instructions through a remote host computer or a field control cabinet, controls the dosing of alum by an electric control valve and a flowmeter for treatment. Through the cooperation of remote and on-site control, the operation is convenient and flexible. The air bubbling and mixing function is realized by an air compressor to prevent the precipitation of alum. It solves the problem that in case of emergencies such as the interruption of the alum dosing system in the reaction sedimentation tank or the turbidity of the reaction sedimentation tank exceeding the standard, only manual judgment can be used for emergency treatment, which often affects the progress of the water treatment work due to inaccurate judgment.

[0014] In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the drawings described below are only exemplary, and for those of ordinary skill in the art, without creative efforts, other implementation drawings can also be obtained according to the provided drawings.

[0015] The structures, ratios, sizes, etc. illustrated in this specification are only used to cooperate with the content disclosed in the specification for those who are familiar with this technology to understand and read, and are not used to limit the limited conditions that the present utility model can be implemented. Therefore, they do not have technical essence. Any modification of the structure, change of the proportional relationship or adjustment of the size, without affecting the effects that the present utility model can produce and the purposes that can be achieved, should still fall within the scope that the technical content disclosed by the present utility model can cover. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings are used to provide a further understanding of the present utility model and constitute a part of the specification. They are used to explain the present utility model together with the embodiments of the present utility model and do not constitute a limitation to the present utility model. In the drawings:

[0017] Figure 1 is the overall structural schematic diagram of the present utility model;

[0018] Figure 2 is the electrical connection block diagram of the present utility model;

[0019] In the figure: 1, reaction sedimentation tank; 101, turbidity monitor; 102, dosing port; 103, pipeline A; 2, remote host computer; 3, on-site control cabinet; 4, alum storage tank; 5, emergency alum barrel; 6, alum conveying pipeline; 7, electric ball valve; 8, liquid level gauge; 9, electric control valve; 10, flowmeter; 11, manual valve; 12, lift pump; 13, air compressor; 14, overflow pipe; 15, drain pipe; 16, gas transmission pipeline. Specific embodiments

[0020] As Figure 1-2 shown, the present utility model provides a water plant emergency alum dosing system, including a reaction sedimentation tank 1, a remote host computer 2, an on-site control cabinet 3, an alum storage tank 4 and an emergency alum barrel 5. A turbidity monitor 101 is arranged inside the reaction sedimentation tank 1, a dosing port 102 is arranged at the upper end of the reaction sedimentation tank 1, and a pipeline A103 is connected between the output end of the emergency alum barrel 5 and the dosing port 102. An electric control valve 9 and a flowmeter 10 are arranged between the pipeline A103 and the emergency alum barrel 5, and the flowmeter 10 is located near the end of the pipeline A103;

[0021] An alum conveying pipeline 6 is connected between the alum storage tank 4 and the emergency alum barrel 5. The alum conveying pipeline 6 is located at the input end of the emergency alum barrel 5. An electric ball valve 7 is arranged between the alum conveying pipeline 6 and the emergency alum barrel 5, and a liquid level gauge 8 is arranged inside the emergency alum barrel 5.

[0022] Furthermore, in this embodiment, the output ends of the turbidity monitor 101, the flowmeter 10 and the liquid level gauge 8 are all communicatively connected to the input end of the on-site control cabinet 3, the input ends of the electric control valve 9 and the electric ball valve 7 are all communicatively connected to the output end of the on-site control cabinet 3, and the on-site control cabinet 3 is wirelessly communicatively connected to the remote host computer 2. The on-site control cabinet 3 receives the monitoring data from the turbidity monitor 101, the flowmeter 10 and the liquid level gauge 8, controls the activation of the electric control valve 9 and the electric ball valve 7 through the on-site control cabinet 3, realizes the connection between the remote host computer 2 and the on-site control cabinet 3 through wireless communication, and sends signals to the on-site control cabinet 3.

[0023] In this embodiment, a drain pipe 15 is arranged between the pipeline A103 and the alum storage tank 4, and an overflow pipe 14 is connected to one side of the emergency alum barrel 5. The input end of the drain pipe 15 is connected to the pipeline A103, and the output end of the drain pipe 15 is connected to the overflow pipe 14. The materials in the emergency alum barrel 5 are emptied through the drain pipe 15, which is convenient for equipment maintenance.

[0024] In this embodiment, the input end of the overflow pipe 14 is connected to the emergency alum barrel 5, and the output end of the overflow pipe 14 is connected to one side of the vent pipe 15. When the alum agent in the emergency alum barrel 5 exceeds the safe capacity, the overflow pipe 14 will automatically start to discharge the excess material or pressure to a safe place.

[0025] In this embodiment, a lift pump 12 is arranged between the emergency alum barrel 5 and the alum delivery pipe 6. The input end of the lift pump 12 is connected to the alum storage tank 4 through the alum delivery pipe 6, and the output end of the lift pump 12 is connected to the emergency alum barrel 5 through the alum delivery pipe 6. The alum agent in the alum storage tank 4 is lifted into the emergency alum barrel 5 by the lift pump 12.

[0026] In this embodiment, the pipe A103 is arranged on one side near the bottom of the emergency alum barrel 5. A manual valve 11 is connected to one side of the pipe A103. An air compressor 13 is arranged on the other side of the emergency alum barrel 5. An air delivery pipe 16 is connected between the air compressor 13 and the emergency alum barrel 5. The use of the emergency alum barrel 5 can be manually controlled through the manual valve 11. The air compressor 13 and the air delivery pipe 16 cooperate to be connected to the bottom of the emergency alum barrel 5. The inside of the emergency alum barrel 5 has air outlet holes opened at a 45-degree slope on both sides and is connected to the air delivery pipe 16 through the air outlet holes.

[0027] In addition, the air compressor 13 is externally connected to an air compressor air storage tank. From the air compressor 13 to the air storage tank, a pressure valve value is preset in the on-site control cabinet 3. When in priority use, the air storage tank supplies air. A pressure sensor is installed in the air storage tank to monitor the pressure in the air storage tank. When the pressure value is lower than the valve value, the air compressor 13 starts to replenish air to it.

[0028] Specifically, under normal circumstances, this system is in a standby state and not enabled. A turbidity valve value of the reaction sedimentation tank 1 is preset in the on-site control cabinet 3. The turbidity of the reaction sedimentation tank 1 is monitored in real time by the turbidity monitor 101. When the turbidity of the reaction sedimentation tank 1 exceeds the turbidity valve value, the on-site control cabinet 3 issues an instruction to control the electric control valve 9 to allow the alum agent in the emergency alum barrel 5 to enter the reaction sedimentation tank 1;

[0029] The dosing amount of the alum agent is set on the remote host computer 2. Subsequently, the valve is opened, and the dosing amount of the alum agent is monitored by the flow meter 10 at the end of the pipe A103 until the monitored value of the flow meter 10 is the same as the set value, and then the valve is controlled to close to stop the adjustment;

[0030] The storage alum pool 4 is used as a storage unit to provide raw materials for the emergency alum barrel 5. The alum agent in the storage alum pool 4 is lifted into the emergency alum barrel 5 through the lift pump 12 and the electric ball valve 7. By setting the threshold value of the liquid level gauge 8 in the barrel, the reserve quantity in the emergency alum barrel 5 is monitored to control the reserve quantity of the alum agent. An air outlet hole with a 45-degree slope opening to both sides is arranged at the bottom of the emergency alum barrel 5 and is connected to the air compressor 13 through the air delivery pipeline 16. The electric ball valve 7 on the air delivery pipeline 16 is controlled to realize the function of air bubbling and mixing to prevent the alum agent from precipitating;

[0031] An overflow pipe 14 and a vent pipe 15 are arranged on the emergency alum barrel 5. The overflow pipe 14 is used as an exhaust passage during the daily operation of storing the reagent and as a passage in case of equipment failure. The vent pipe 15 is used during fault maintenance. A manual valve 11 is arranged on one side of the pipeline A103 between the reaction sedimentation tank 1 and the emergency alum barrel 5, and the alum agent can be manually added according to requirements, and the alum agent can be manually added in special cases.

[0032] It should be noted that the control mode of this application document is automatically controlled by the on-site control cabinet 3 and the remote upper computer 2. The control circuits of the on-site control cabinet 3 and the remote upper computer 2 can be realized by simple programming by those skilled in the art, which belongs to the common knowledge in this field. This application will not explain the control mode and circuit connection in detail.

[0033] The reaction sedimentation tank 1, turbidity monitor 101, pipeline A103, remote upper computer 2, on-site control cabinet 3, storage alum pool 4, emergency alum barrel 5, alum delivery pipeline 6, electric ball valve 7, liquid level gauge 8, electric control valve 9, flow meter 10, manual valve 11, lift pump 12, air compressor 13, overflow pipe 14, vent pipe 15, air delivery pipeline 16 and other components of the present utility model are all general standard components or components known to those skilled in the art, and their structures and principles can all be known by those skilled in the art through technical manuals or through conventional experimental methods.

[0034] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inner", "front", "center", "both ends", etc. is the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present utility model.

[0035] Furthermore, the terms "first", "second", "third", and "fourth" are for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first", "second", "third", and "fourth" may explicitly or implicitly include at least one of such features.

[0036] In the present utility model, unless otherwise clearly specified and defined, terms such as "installed", "set", "connected", "fixed", "swivelly connected", etc. shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements or the interaction relationship between two elements. Unless otherwise clearly defined, for those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0037] Finally, it should be noted that the above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A water plant emergency alum adding system, characterized in that: The invention comprises a reaction sedimentation tank (1), a remote host computer (2), a field control cabinet (3), an alum storage tank (4) and an emergency alum barrel (5); a turbidity monitor (101) is arranged inside the reaction sedimentation tank (1); a delivery port (102) is arranged at the upper end of the reaction sedimentation tank (1); a pipeline A (103) is connected between the output end of the emergency alum barrel (5) and the delivery port (102); an electric regulating valve (9) and a flow meter (10) are arranged between the pipeline A (103) and the emergency alum barrel (5); and the flow meter (10) is located near the end of the pipeline A (103); An alum delivery pipeline (6) is connected between the alum storage tank (4) and the emergency alum barrel (5); the alum delivery pipeline (6) is located at the input end of the emergency alum barrel (5); an electric ball valve (7) is provided between the alum delivery pipeline (6) and the emergency alum barrel (5); and a liquid level meter (8) is provided inside the emergency alum barrel (5).

2. A water plant emergency alum adding system according to claim 1, characterized in that: The output ends of the turbidity monitor (101), the flow meter (10) and the liquid level meter (8) are all communicatively connected to the input end of the field control cabinet (3); the input ends of the electric regulating valve (9) and the electric ball valve (7) are all communicatively connected to the output end of the field control cabinet (3); and the field control cabinet (3) is wirelessly connected to the remote host computer (2).

3. A water plant emergency alum adding system according to claim 1, characterized in that: A vent pipe (15) is provided between the pipeline A (103) and the alum storage tank (4); one side of the emergency alum barrel (5) is connected to an overflow pipe (14); an input end of the vent pipe (15) is connected to the pipeline A (103); and an output end of the vent pipe (15) is connected to the overflow pipe (14).

4. A water plant emergency alum adding system according to claim 3, characterized in that: The input end of the overflow pipe (14) is connected to the emergency alum barrel (5), and the output end of the overflow pipe (14) is connected to one side of the vent pipe (15).

5. A water plant emergency alum adding system according to claim 1, characterized in that: A lifting pump (12) is provided between the emergency alum barrel (5) and the alum delivery pipeline (6); the input end of the lifting pump (12) is connected to the alum storage tank (4) through the alum delivery pipeline (6); and the output end of the lifting pump (12) is connected to the emergency alum barrel (5) through the alum delivery pipeline (6).

6. A water plant emergency alum adding system according to claim 5, characterized in that: The pipeline A (103) is arranged on one side close to the bottom of the emergency alum barrel (5), one side of the pipeline A (103) is connected to a manual valve (11), the other side of the emergency alum barrel (5) is provided with an air compressor (13), and a gas pipeline (16) is connected between the air compressor (13) and the emergency alum barrel (5).

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