Legionella cold tower online atomization disinfecting and killing device and control system thereof

Abstract

The invention discloses a cooling tower legionella online atomization disinfection and killing device and a control system thereof, and relates to the technical field of cooling towers, the cooling tower legionella online atomization disinfection and killing device comprises a mixing cabinet, an atomization assembly and a circulation pipeline, a water storage tank, a pesticide box and a mixing assembly are arranged in the mixing cabinet, and the water storage tank is communicated with the mixing assembly through a first pipeline; the pesticide box is communicated with the mixing assembly through a second pipeline, the atomizing assembly is communicated with the bottom of the mixing assembly, and the atomizing assembly is detachably arranged on the peripheral wall of the cooling tower. Through the arrangement of the mixing assembly, cooling water in the water storage tank and a disinfection agent in the agent box can be fully mixed by the mixing assembly to form liquid containing sterilization components, and the liquid is discharged through the atomization assembly to form atomized liquid drops which are sprayed on water in the cooling tower and the peripheral wall of the cooling tower for comprehensive disinfection; according to the cooling tower, microorganisms such as legionella can be effectively killed, the sterilization effect is improved, the atomization assembly is detachably arranged on the peripheral wall of the cooling tower, the occupied space is small, and disassembly and maintenance are convenient.

Description

Technical Field

[0001] The invention relates to the technical field of cooling towers, and in particular to an online atomization and disinfecting device for Legionella in a cooling tower and a control system thereof. Background Art

[0002] Cooling towers are commonly used heat dissipation equipment in the industrial and construction fields. During long-term operation, bacteria and algae will inevitably grow in the cooling tower fillers and inside and outside the cooling tower. In addition, due to problems such as blockage of the water distributor, the chemicals in the original dosing equipment cannot reach the predetermined position. When the accumulation reaches a certain level, it will affect the water quality of the cooling water and public environmental hygiene.

[0003] In the prior art, traditional disinfection methods often use regular application of disinfectants or manual cleaning for sterilization, which has the problems of low efficiency, high cost, and easy corrosion to equipment. There are also spray towers using baffle demisters for disinfection, but there is also a problem of being unable to completely remove microorganisms in the mist, which in turn causes pollution and corrosion to the environment and monitoring equipment, resulting in poor disinfection effect.

[0004] Secondly, when installing a spray tower using a baffle demister, the overall volume is large, which is not easy to install on the cooling tower equipment, and is not convenient for disassembly and subsequent maintenance.

[0005] In view of this, the present invention is proposed. Summary of the invention

[0006] The first object of the present invention is to provide a cold tower Legionella online atomization and disinfection device, comprising:

[0007] A mixing cabinet, wherein a water storage tank, a medicine box and a mixing component are arranged in the mixing cabinet, the water storage tank is connected to the mixing component through a first pipeline, and the medicine box is connected to the mixing component through a second pipeline;

[0008] Atomizing assembly, the atomizing assembly is connected with the bottom of the mixing assembly, and the atomizing assembly is detachably arranged on the peripheral wall of the cooling tower;

[0009] A circulation pipeline, both ends of which are connected to a cooling tower and a water storage tank respectively to provide cooling water.

[0010] Further, the atomizing assembly includes an annular tube sleeved on the peripheral wall of the cooling tower;

[0011] The annular pipe is connected to two or more evenly distributed vertical pipes;

[0012] The vertical pipe peripheral wall is connected from top to bottom with more than two evenly distributed atomizing nozzles;

[0013] The annular tube is connected with a dosing tube, and the other end of the dosing tube is connected with a mixing component.

[0014] Furthermore, a pressure pump is provided in the mixing cabinet, the water inlet end of the pressure pump is connected to the first pipeline, and the water outlet end of the pressure pump is connected to the mixing assembly through a connecting pipe;

[0015] The connecting pipe and the second pipeline are both provided with control valves.

[0016] Further, the mixing assembly includes a mixing tank, and the connecting pipe and the second pipeline are respectively connected to the mixing tank;

[0017] A stirring assembly is provided in the mixing tank, and the stirring assembly is driven by a driving motor;

[0018] The bottom of the mixing tank is connected with a drainage pipe, and one end of the drainage pipe away from the mixing tank is connected with the dosing pipe.

[0019] Furthermore, a controller is also provided in the mixing cabinet, and the controller is respectively connected with the control valve and the drive motor by electrical signals.

[0020] Furthermore, it also includes a filter component, which is arranged on the circulation pipeline to filter the cooling water flowing through the circulation pipeline.

[0021] The second object of the present invention is to provide an online atomization control system for Legionella in a cold tower, which is applied to the online atomization disinfection device for Legionella in a cold tower.

[0022] Further, including:

[0023] A control device, the control device includes a data acquisition and analysis module, and the data acquisition and analysis module is used to monitor the water quality parameters in the cooling tower in real time;

[0024] The monitoring feedback device includes an optical fiber evanescent wave biosensor, which is connected to the control device by electrical signals and is used to detect the number of Legionella and water quality changes in the cooling tower in real time.

[0025] Furthermore, the data acquisition and analysis module includes a pH meter, a conductivity meter and a turbidity meter.

[0026] Furthermore, the monitoring feedback device also includes an early warning device, which includes a multi-parameter water quality online analyzer. The multi-parameter water quality online analyzer is used to issue an alarm and activate an emergency treatment mechanism when the number of Legionella exceeds the standard or the water quality is abnormal.

[0027] By adopting the above technical solution, the present invention has the following beneficial effects:

[0028] 1. By setting up a water storage tank, a medicine box and a mixing component, the mixing component can fully mix the cooling water in the water storage tank with the disinfectant in the medicine box to form a liquid containing bactericidal ingredients, and discharge it through the atomization component to form atomized droplets, which are sprayed on the water inside the cooling tower and the surrounding walls of the cooling tower for comprehensive disinfection, ensuring that microorganisms such as Legionella are effectively killed, thereby improving the disinfection effect. The atomization component is detachably arranged on the surrounding wall of the cooling tower, occupies little space, and is easy to disassemble and maintain.

[0029] 2. The control device can automatically adjust the disinfection strategy according to the real-time monitoring data to improve the disinfection effect and reduce energy consumption.

[0030] 3. The monitoring and feedback device can timely detect and deal with abnormal cooling water quality problems to ensure the safety of cooling water quality.

[0031] 4. The online atomization and disinfection device for Legionella in cooling towers provided in the embodiment of the present application has a compact structure, a small overall volume, is easy to install and disassemble, and can disinfect multiple cooling towers at the same time, facilitating subsequent maintenance.

[0032] The specific implementation modes of the present invention are further described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] The accompanying drawings are part of this application and are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention, but do not constitute an improper limitation of the present invention. Obviously, the drawings described below are only some embodiments. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work. In the drawings:

[0034] Figure 1 A schematic diagram of the assembly of the online atomization and disinfection device for Legionella in a cold tower provided in an embodiment of the present application;

[0035] Figure 2 A schematic diagram of the internal structure of a mixing cabinet of a cold tower Legionella online atomization disinfection device provided in an embodiment of the present application;

[0036] Figure 3 A cross-sectional view of a mixing cabinet of a cold tower Legionella online atomization disinfection device provided in an embodiment of the present application.

[0037] Figure numerals: 1. Cooling tower; 2. Mixing cabinet; 3. Atomizing assembly; 4. Water storage tank; 5. Medicine box; 6. Mixing assembly; 7. Controller; 8. Pressure pump; 9. First pipeline; 10. Second pipeline; 11. Connecting pipe; 12. Control valve; 13. Circulating pipeline; 31. Vertical pipe; 32. Atomizing nozzle; 33. Annular pipe; 34. Dosing pipe; 61. Mixing tank; 62. Drain pipe; 63. Drive motor.

[0038] It should be noted that these drawings and textual descriptions are not intended to limit the conceptual scope of the present invention in any way, but are intended to illustrate the concept of the present invention for those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0039] See also Figures 1 to 3 As shown, an embodiment of the present application provides an online atomization and disinfection device for Legionella in a cooling tower, comprising: a mixing cabinet 2, an atomization component 3 and a circulation pipeline 13. A water storage tank 4, a medicine box 5 and a mixing component 6 are arranged in the mixing cabinet 2. The medicine box 5 is filled with a disinfectant. The water storage tank 4 is connected to the mixing component 6 through a first pipeline 9, and the medicine box 5 is connected to the mixing component 6 through a second pipeline 10. The atomization component 3 is connected to the bottom of the mixing component 6. The atomization component 3 is detachably arranged on the peripheral wall of the cooling tower 1. Both ends of the circulation pipeline 13 are respectively connected to the cooling tower 1 and the water storage tank 4 to provide cooling water. A metering pump can be arranged in the medicine box 5.

[0040] It should be noted that a flow meter is provided on the second pipeline 10 to adjust the flow rate of the disinfectant as needed, so as to reasonably mix the disinfectant and cooling water, thereby improving the disinfection efficiency while reducing energy consumption and operating costs. In addition, the online atomization disinfection device for Legionella in a cold tower provided in the embodiment of the present application can be used in conjunction with multiple cooling towers 1, further reducing the difficulty of installation and facilitating control and management.

[0041] In the above scheme, by setting up the water tank 4, the medicine box 5 and the mixing component 6, the mixing component 6 can fully mix the cooling water in the water tank 4 and the disinfectant in the medicine box 5 to form a liquid containing bactericidal ingredients, and discharge it through the atomizing component 3 to form atomized droplets, which are sprayed on the water inside the cooling tower 1 and the surrounding walls of the cooling tower 1 to carry out comprehensive disinfection, ensuring that microorganisms such as Legionella are effectively killed, thereby improving the disinfection effect, and the atomizing component 3 is detachably arranged on the surrounding wall of the cooling tower 1, occupies a small space, and is easy to disassemble and maintain.

[0042] In some possible implementations, see Figure 1As shown, the atomizing assembly 3 includes an annular tube 33 sleeved on the peripheral wall of the cooling tower 1, the annular tube 33 is connected to more than two evenly distributed vertical tubes 31, the peripheral wall of the vertical tube 31 is connected to more than two evenly distributed atomizing nozzles 32 from top to bottom, the annular tube 33 is connected to a dosing tube 34, and the dosing tube 34 is connected to the mixing assembly 6 at one end away from the annular tube 33. If multiple cooling towers 1 are to be disinfected simultaneously, multiple annular tubes 33 can be set, and the multiple annular tubes 33 are set in parallel with the dosing tube 34.

[0043] In the above scheme, the annular tube 33 can be replaced according to the size of the cooling tower 1. The annular tube 33 is arranged at the bottom of the peripheral wall of the cooling tower 1, and the atomizing nozzle 32 is arranged toward the cooling tower 1. When the water inside the cooling tower 1 and the peripheral wall of the cooling tower 1 are disinfected, the mixed liquid containing bactericidal ingredients flows into the annular tube 33 through the dosing pipe 34, passes through a plurality of evenly distributed vertical pipes 31, and is then sprayed out through the atomizing nozzle 32 for disinfection.

[0044] In some possible implementations, see Figure 2 As shown, there is a pressure pump 8 in the mixing cabinet 2, the water inlet end of the pressure pump 8 is connected to the first pipeline 9, and the water outlet end of the pressure pump 8 is connected to the mixing component 6 through a connecting pipe 11. The connecting pipe 11 and the second pipeline 10 are both provided with a control valve 12.

[0045] In the above scheme, the flow rates of the connecting pipe 11 and the second pipeline 10 are controlled by the control valve 12, so as to achieve the purpose of proportioning the cooling water and the disinfectant.

[0046] In some possible implementations, see Figure 2 and Figure 3 As shown, the mixing assembly 6 includes a mixing tank 61, the connecting pipe 11 and the second pipeline 10 are respectively connected to the mixing tank 61, a stirring assembly is arranged in the mixing tank 61, the stirring assembly is driven by a driving motor 63, a drain pipe 62 is connected to the bottom of the mixing tank 61, and the end of the drain pipe 62 away from the mixing tank 61 is connected to the dosing pipe 34.

[0047] It should be noted that the stirring assembly includes a stirring shaft rotatably arranged in the mixing tank 61, the stirring shaft is coaxially arranged with the driving motor 63, and stirring blades are arranged on the stirring shaft. The driving motor 63 is controlled to start so that the output shaft of the driving motor 63 rotates to drive the stirring blades to rotate through the stirring shaft, so as to fully mix the cooling water and the disinfectant in the mixing tank 61, and the mixed liquid is stably delivered through the dosing pipe 34 by the provided pressure pump 8.

[0048] In some possible implementation schemes, an atomizing nozzle may be provided at one end of the connecting pipe 11 extending into the mixing tank 61, so that the cooling water flowing into the mixing tank 61 forms a fine water mist, and the disinfectant flows into the mixing tank 61 through the second pipeline 10, and can be fully mixed with the fine water mist in the mixing tank 61, thereby further improving the mixing efficiency of the disinfectant and the cooling water and achieving a better disinfection effect.

[0049] In some possible implementations, see Figure 3 As shown, a controller 7 is also provided in the mixing cabinet 2, and the controller 7 is respectively connected to the control valve 12 and the drive motor 63 via electrical signals.

[0050] In the above scheme, by remotely controlling the controller 7, the staff can adjust the disinfection strategy at any time, thereby improving the disinfection efficiency while reducing energy consumption and operating costs.

[0051] The cold tower Legionella online atomization disinfection device provided in the embodiment of the present application also includes a filter component, which is arranged on the circulation pipeline 13 to filter the cooling water flowing through the circulation pipeline 13. The filter component can adopt a pressurized filter machine, which occupies less space.

[0052] A cooling tower Legionella online atomization control system is applied to the above-mentioned cooling tower Legionella online atomization disinfection device, comprising: a control device and a monitoring feedback device, the control device comprising a data acquisition and analysis module, the data acquisition and analysis module is used to monitor the water quality parameters in the cooling tower in real time, the monitoring feedback device comprises an optical fiber evanescent wave biosensor, the optical fiber evanescent wave biosensor is connected to the control device by electrical signals, the optical fiber evanescent wave biosensor is used to detect the number of Legionella and water quality changes in the cooling tower in real time, and feed back the detection data to the controller 7 as a basis for adjusting the disinfection strategy.

[0053] It should be noted that the fiber optic evanescent wave biosensor can quickly and accurately detect the number of Legionella in the cooling tower 1, and can optimize the detection conditions. The fiber optic evanescent wave biosensor is electrically connected to the controller 7 to transmit the detected number of Legionella to the controller 7 in real time, so that the controller 7 can control the flow of the disinfectant according to the number of Legionella, thereby improving the utilization rate of the disinfectant and avoiding the waste of the disinfectant.

[0054] In some possible implementation schemes, the data acquisition and analysis module includes a pH meter, a conductivity meter and a turbidity meter. The pH meter is used to measure the pH value of cooling water to ensure that the water quality meets the equipment requirements. Too high or too low pH value may cause corrosion or scaling to the equipment; the conductivity meter is used to measure the conductivity of cooling water, which reflects the concentration of ions in the cooling water. Too high conductivity means that there are more impurities in the water, and the pressure filter can be controlled to filter the impurities in the cooling water; the turbidity meter is used to measure the turbidity of cooling water, that is, the concentration of suspended particles in the cooling water. Too high turbidity will affect the cooling effect and may also cause equipment blockage.

[0055] The data acquisition and analysis module also includes a microprocessor, which calculates the required amount of disinfectant based on the collected data and a preset algorithm. If an atomizing nozzle is set, the atomization parameters can also be calculated, and the flow rate of the disinfectant can be adjusted through a metering pump.

[0056] In some possible implementation schemes, the monitoring feedback device also includes an early warning device, which includes a multi-parameter online water quality analyzer. The multi-parameter online water quality analyzer is used to issue an alarm and activate an emergency response mechanism when the number of Legionella exceeds the standard or the water quality is abnormal.

[0057] It should be noted that the multi-parameter water quality online analyzer is connected to the controller 7 by electrical signals. When it is detected that the number of Legionella exceeds the standard, the signal is transmitted to the controller 7 through the electrical signal. The controller 7 controls the flow rate of the disinfectant through the control valve 12 to increase the concentration of the disinfectant, thereby disinfecting the Legionella. When the water quality is abnormal, the signal is transmitted to the controller 7 through the electrical signal. The controller 7 controls the pressure filter to filter the impurities in the cooling water. The multi-parameter water quality online analyzer can detect a variety of water quality parameters, including but not limited to pH value, dissolved oxygen, redox potential, turbidity, temperature, total dissolved solids, ammonia nitrogen, nitrate, nitrite, etc., and by setting a threshold value, once the parameter exceeds the safe range, it is transmitted to the controller 7 through the electrical signal to ensure the safety and stability of the water quality.

[0058] By setting up the water tank 4, the medicine box 5 and the mixing component 6, the mixing component 6 can fully mix the cooling water in the water tank 4 and the disinfectant in the medicine box 5 to form a liquid containing bactericidal ingredients, and discharge it through the atomizing component 3 to form atomized droplets, which are sprayed on the water inside the cooling tower 1 and the surrounding walls of the cooling tower 1 to carry out comprehensive disinfection, ensuring that microorganisms such as Legionella are effectively killed, thereby improving the disinfection effect, and the atomizing component 3 is detachably arranged on the surrounding wall of the cooling tower 1, occupies a small space, and is easy to disassemble and maintain.

[0059] Working principle:

[0060] After the cooling tower 1 is started, the control device first performs self-checking and initialization settings. The data acquisition and analysis module begins to collect water quality parameters and the number of Legionella in the cooling tower 1 in real time. The microprocessor calculates the required amount of disinfectant based on the collected data. The cooling water enters the mixing tank 61 through the pressure pump 8 (if the connecting pipe 11 extends into the mixing tank 61 and one end is provided with an atomizing nozzle, water mist is formed). At the same time, the disinfectant is sent into the mixing tank 61 through the metering pump to mix with the cooling water. The mixed liquid is sent into the annular pipe 33 through the drain pipe 62 and the dosing pipe 34, passes through a plurality of evenly distributed vertical pipes 31, and is then sprayed out through the atomizing nozzle 32 for disinfection. The multi-parameter water quality online analyzer continuously detects water quality parameters and the number of Legionella, and when necessary (reaches the threshold), issues an early warning and transmits the signal to the controller 7 for processing. During the operation of the cooling tower 1, the controller 7 continuously optimizes and adjusts the disinfection strategy based on real-time monitoring data to improve the disinfection effect and reduce energy consumption.

[0061] This specific embodiment is merely an explanation of the invention and is not a limitation of the invention. After reading this specification, those skilled in the art may make non-creative modifications to this embodiment as needed. However, as long as they are within the scope of protection of the invention, they are protected by patent law.

Claims

1. A cold tower Legionella online atomization disinfection device, comprising: A mixing cabinet (2), wherein a water storage tank (4), a medicine box (5) and a mixing assembly (6) are arranged in the mixing cabinet (2), the water storage tank (4) is connected to the mixing assembly (6) via a first pipeline (9), and the medicine box (5) is connected to the mixing assembly (6) via a second pipeline (10); An atomizing assembly (3), the atomizing assembly (3) being connected to the bottom of the mixing assembly (6), and the atomizing assembly (3) being detachably arranged on the peripheral wall of the cooling tower (1); A circulation pipeline (13), wherein both ends of the circulation pipeline (13) are respectively connected to the cooling tower (1) and the water storage tank (4) for providing cooling water.

2. The cold tower Legionella online atomization disinfection device according to claim 1, characterized in that: The atomizing assembly (3) comprises an annular tube (33) sleeved on the peripheral wall of the cooling tower (1); The annular tube (33) is connected to two or more vertical tubes (31) that are evenly distributed; The peripheral wall of the vertical pipe (31) is connected from top to bottom with more than two evenly distributed atomizing nozzles (32); The annular tube (33) is connected to a dosing tube (34), and one end of the dosing tube (34) away from the annular tube (33) is connected to the mixing assembly (6).

3. The cold tower Legionella online atomization disinfection device according to claim 2, characterized in that: The mixing cabinet (2) has a pressure pump (8), the water inlet end of the pressure pump (8) is connected to the first pipeline (9), and the water outlet end of the pressure pump (8) is connected to the mixing assembly (6) through a connecting pipe (11); The connecting pipe (11) and the second pipeline (10) are both provided with control valves (12).

4. The cold tower Legionella online atomization disinfection device according to claim 3, characterized in that: The mixing assembly (6) comprises a mixing tank (61), and the connecting pipe (11) and the second pipeline (10) are respectively connected to the mixing tank (61); The mixing tank (61) is provided with a stirring assembly, and the stirring assembly is driven by a driving motor (63); The bottom of the mixing tank (61) is connected to a drainage pipe (62), and one end of the drainage pipe (62) away from the mixing tank (61) is connected to the dosing pipe (34).

5. The cold tower Legionella online atomization disinfection device according to claim 4, characterized in that: A controller (7) is also provided in the mixing cabinet (2), and the controller (7) is respectively connected to the control valve (12) and the drive motor (63) via electrical signals.

6. The cold tower Legionella online atomization disinfection device according to claim 1, characterized in that: It also comprises a filtering component, which is arranged on the circulation pipeline (13) and filters the cooling water flowing through the circulation pipeline (13).

7. A cold tower Legionella online atomization control system, characterized in that: The cold tower Legionella online atomization disinfection device is applied to any one of claims 1-6.

8. The cold tower Legionella online atomization control system according to claim 7, characterized in that: include: A control device, the control device comprising a data acquisition and analysis module, the data acquisition and analysis module is used to monitor the water quality parameters in the cooling tower in real time; The monitoring feedback device comprises an optical fiber evanescent wave biosensor, the optical fiber evanescent wave biosensor is electrically connected to the control device, and the optical fiber evanescent wave biosensor is used to detect the number of Legionella and water quality changes in the cooling tower in real time.

9. The cold tower Legionella online atomization control system according to claim 8, characterized in that: The data acquisition and analysis module includes a pH meter, a conductivity meter and a turbidity meter.

10. The cold tower Legionella online atomization control system according to claim 8, characterized in that: The monitoring feedback device also includes an early warning device, which includes a multi-parameter water quality online analyzer. The multi-parameter water quality online analyzer is used to issue an alarm and activate an emergency treatment mechanism when the number of Legionella exceeds the standard or the water quality is abnormal.

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