Detection equipment for reverse osmosis scale inhibitor

Abstract

The utility model relates to the technical field of scale inhibitor detection, and discloses detection equipment for a reverse osmosis scale inhibitor, which comprises an equipment frame, a plurality of experiment cylinders are mounted on the equipment frame, the equipment frame is connected with a lead screw moving assembly through a door-shaped frame, and the lead screw moving assembly is connected with a support through a moving plate. A reverse osmosis scale inhibitor injection nozzle and an experimental water injection nozzle are installed on the support, a liquid scale inhibitor storage box and an experimental water storage box are installed on the equipment frame, the liquid scale inhibitor storage box is connected with the reverse osmosis scale inhibitor injection nozzle through a first conveying pipe and a first hose, and a first metering pump is arranged on the first conveying pipe. The experimental water storage tank is connected with the experimental water injection nozzle through a second conveying pipe and a second hose, a second metering pump is arranged on the second conveying pipe, an electric heating wire is arranged on the experimental cylinder, and a water temperature sensor is arranged in the experimental cylinder. The device can be used for detecting scale inhibitors and liquids with different proportions at one time, the detection efficiency is high, meanwhile, the temperature of each experiment barrel can be controlled, detection can be carried out at different temperatures, more data samples are provided, and the detection is more accurate.

Description

Technical Field

[0001] The utility model belongs to the technical field of scale inhibitor detection, and specifically relates to a detection device for reverse osmosis scale inhibitor. Background Technique

[0002] Scale inhibitors are a class of agents that can disperse insoluble inorganic salts in water, prevent or interfere with the precipitation and scaling of insoluble inorganic salts on the metal surface, and maintain good heat transfer effects of metal equipment. After production, the scale removal efficiency of reverse osmosis scale inhibitors will be detected by a detection device.

[0003] After retrieval, a reverse osmosis scale inhibitor detection device disclosed in the patent number CN218584761U has the main features as follows: including a support table, a mixing tank and a reaction tank are installed on the upper surface of the support table, a water pump is installed between the mixing tank and the reaction tank, a scale inhibitor storage hopper for supplying scale inhibitor into the mixing tank is installed on the upper surface of the mixing tank, the water pump is a double-drainage port water pump, a liquid suction pipe is installed between the liquid inlet end of the water pump and the mixing tank, a partition plate is installed in the reaction tank, the inner cavity of the reaction tank is divided into two reaction chambers by the partition plate, and the two reaction chambers are respectively provided with a liquid outlet pipe between the drainage ports of the water pump, stirring rods are rotatably installed in the inner cavities of the reaction chamber and the mixing tank, and three driving motors are installed on the lower surface of the support table, and the output ends of the three driving motors are respectively fixedly connected to the bottom ends of the corresponding stirring rods.

[0004] During the actual use of the scale inhibitor detection equipment in the above application, the applicant found that: in the above detection device, the detection water and the scale inhibitor are mixed through the mixing tank, and then the detection effect is detected in two reaction chambers with controllable temperature. In the actual use of the above structure, only one proportion of scale inhibitor can be mixed and detected at a time, and it is impossible to detect multiple proportions simultaneously, resulting in low detection efficiency. In order to solve the above-mentioned problems, a detection device for reverse osmosis scale inhibitor is proposed. Content of the Utility Model

[0005] The purpose of the utility model is to provide a detection device for reverse osmosis scale inhibitor in order to solve the above-mentioned problems.

[0006] The technical solution adopted by the present utility model is as follows: A detection device for reverse osmosis scale inhibitors, including an equipment rack, on the top surface of the equipment rack, a plurality of experimental cylinders are fixedly installed, on the top surface of the equipment rack, a portal frame is fixedly installed, on both sides of the top surface of the portal frame, vertical plates are fixedly installed, on the vertical plates, lead screws are rotatably connected, on one of the vertical plates, a servo motor is fixedly installed, the output shaft of the servo motor is connected to the lead screw, on the lead screw, a wire sleeve is threadedly connected, on the wire sleeve, a moving plate is fixedly connected, on the moving plate, a bracket is fixedly installed, on the bracket, a reverse osmosis scale inhibitor injection nozzle and an experimental water injection nozzle are fixedly installed, at the lower part of the equipment rack, a liquid scale inhibitor storage tank and an experimental water storage tank are fixedly installed, on the liquid scale inhibitor storage tank, a first conveying pipe is connected, on the liquid inlet side of the first conveying pipe, a first metering pump is arranged, the first metering pump is fixedly installed on the equipment rack, the liquid outlet end of the first conveying pipe is connected to a first flexible pipe, the liquid outlet end of the first flexible pipe is connected to the reverse osmosis scale inhibitor injection nozzle, on the experimental water storage tank, a second conveying pipe is connected, on the liquid inlet side of the second conveying pipe, a second metering pump is arranged, the second metering pump is fixedly installed on the equipment rack, the liquid outlet end of the second conveying pipe is connected to a second flexible pipe, the liquid outlet end of the second flexible pipe is connected to the experimental water injection nozzle;

[0007] On the reverse osmosis scale inhibitor injection nozzle, a first electromagnetic valve is arranged, on the experimental water injection nozzle, a second electromagnetic valve is arranged;

[0008] Inside the side wall of the experimental cylinder, an electric heating wire is arranged, at the lower part of the experimental cylinder, a water temperature sensor is arranged.

[0009] In a preferred embodiment, on the equipment rack, a control box is fixedly installed, inside the control box, a PLC controller is installed, the first electromagnetic valve, the second electromagnetic valve, the servo motor, the first metering pump, the second metering pump, the electric heating wire and the water temperature sensor are all electrically connected to the PLC controller.

[0010] In a preferred embodiment, between the portal frame and the moving plate, a drag chain is connected, the first flexible pipe and the second flexible pipe pass through the drag chain.

[0011] In a preferred embodiment, at the bottom of the moving plate, a slider is fixedly connected, on the top surface of the portal frame, a slide rail is fixedly installed, the slider is slidably connected to the slide rail.

[0012] In a preferred embodiment, on the outer wall of the experimental cylinder, a transparent through window is arranged.

[0013] In a preferred embodiment, a rotating rod is hermetically and rotatably connected to the lower part of each of the experimental cylinders. A stirring blade is welded to the rotating rod. A driven pulley is fixedly connected to the lower part of the rotating rod. A driven belt is connected between two driven pulleys on two adjacent rotating rods. A driving motor is fixedly connected to the top surface of the equipment frame. The driving motor is electrically connected to the PLC controller. The driving motor is connected with a main pulley through an output shaft. A main belt is connected between the main pulley and the nearest driven pulley.

[0014] In a preferred embodiment, a fixing frame is fixedly connected to one side of the top surface of the equipment frame. An operation touch screen is fixedly installed on the fixing frame. The operation touch screen is electrically connected to the PLC controller.

[0015] In summary, due to the adoption of the above technical solutions, the beneficial effects of the present utility model are as follows:

[0016] 1. When the present utility model is in use, the servo motor can be started to drive the lead screw to rotate. The lead screw drives the moving plate on the lead screw sleeve to move, thereby driving the reverse osmosis scale inhibitor injection nozzle and the experimental water injection nozzle on the bracket to move and align with different experimental cylinders for injecting scale inhibitor and experimental water. Moreover, the injection ratio of the scale inhibitor and experimental water in the experimental cylinder can be controlled by the metering pump, so as to detect the use effect of the scale inhibitor at different ratios or the same ratio. With the design of multiple experimental cylinders, the use effects of scale inhibitors and experimental water at multiple ratios can be compared and observed at one time, and the detection will be more accurate and the detection efficiency will be higher.

[0017] 2. In the present utility model, the temperature of the mixed liquid in each experimental cylinder is heated by separately arranging an electric heating wire for each experimental cylinder. Then, the water temperature sensor is used in cooperation with the PLC controller to control the start of the electric heating wire, so as to accurately control the temperature of each experimental cylinder, and thus the effect of the scale inhibitor can be observed at different temperatures. Observations can be made at multiple different temperatures at one time, so as to fully and accurately detect the optimal temperature for the use of the scale inhibitor. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a schematic three-dimensional structure diagram of the present utility model;

[0019] Figure 2 is a schematic front view structure diagram of the present utility model;

[0020] Figure 3 is a schematic structure diagram of the internal structure of the control box in the present utility model.

[0021] Markings in the figure: 1 - Equipment rack, 2 - Experimental cylinder, 3 - Gantry frame, 4 - Vertical plate, 5 - Lead screw, 6 - Servo motor, 7 - Nut bushing, 8 - Moving plate, 9 - Bracket, 10 - Reverse osmosis scale inhibitor injection nozzle, 11 - Experimental water injection nozzle, 12 - Liquid scale inhibitor storage tank, 13 - Experimental water storage tank, 14 - Delivery pipe 1, 15 - Metering pump 1, 16 - Hose 1, 17 - Delivery pipe 2, 18 - Metering pump 2, 19 - Hose 2, 20 - Electric heating wire, 21 - Water temperature sensor, 22 - Control box, 23 - PLC controller, 24 - Drag chain, 25 - Slide block, 26 - Slide rail, 27 - Rotating rod, 28 - Stirring blade, 29 - Driven pulley, 30 - Driven belt, 31 - Driving motor, 32 - Driving pulley, 33 - Driving belt, 34 - Fixed frame, 35 - Control touch screen, 36 - Transparent observation window, 37 - Solenoid valve 1, 38 - Solenoid valve 2. Detailed implementation manners

[0022] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model. Apparently, the described embodiments are some, but not all, of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0023] The following will be combined with Figures 1 - 3 to give a detailed description of a detection device for reverse osmosis scale inhibitors according to an embodiment of the present utility model.

[0024] Embodiment

[0025] A detection device for reverse osmosis scale inhibitors provided by an embodiment of the present utility model, referring to Figures 1 to 3As shown in the figure, it includes an equipment rack 1. On the top surface of the equipment rack 1, multiple experimental cylinders 2 are fixedly installed. On the top surface of the equipment rack 1, a gantry frame 3 is fixedly installed. On both sides of the top surface of the gantry frame 3, vertical plates 4 are fixedly installed. A lead screw 5 is rotatably connected to the vertical plates 4. A servo motor 6 is fixedly installed on one of the vertical plates 4. The output shaft of the servo motor 6 is connected to the lead screw 5. A nut sleeve 7 is threadedly connected to the lead screw 5. A moving plate 8 is fixedly connected to the nut sleeve 7. A bracket 9 is fixedly installed on the moving plate 8. An anti-scaling agent injection nozzle 10 and an experimental water injection nozzle 11 are fixedly installed on the bracket 9. At the lower part of the equipment rack 1, a liquid anti-scaling agent storage tank 12 and an experimental water storage tank 13 are fixedly installed. A first conveying pipe 14 is connected to the liquid anti-scaling agent storage tank 12. A first metering pump 15 is arranged on the liquid inlet side of the first conveying pipe 14. The first metering pump 15 is fixedly installed on the equipment rack 1. The liquid outlet end of the first conveying pipe 14 is connected to a first flexible pipe 16. The liquid outlet end of the first flexible pipe 16 is connected to the anti-scaling agent injection nozzle 10. A second conveying pipe 17 is connected to the experimental water storage tank 13. A second metering pump 18 is arranged on the liquid inlet side of the second conveying pipe 17. The second metering pump 18 is fixedly installed on the equipment rack 1. The liquid outlet end of the second conveying pipe 17 is connected to a second flexible pipe 19. The liquid outlet end of the second flexible pipe 19 is connected to the experimental water injection nozzle 11. In this structure, the anti-scaling agent in the liquid anti-scaling agent storage tank 12 can be sent into the anti-scaling agent injection nozzle 10 through the first conveying pipe 14 and the first flexible pipe 16 by the first metering pump 15 and injected into the experimental cylinder 2, and the set injection amount is controlled by the first metering pump 15. Similarly, the experimental water in the experimental water storage tank 13 can be sent into the experimental water injection nozzle 11 through the second conveying pipe 17 and the second flexible pipe 19 by the second metering pump 18 and injected into the experimental cylinder 2, and the set injection amount is controlled by the second metering pump 18. Then, the anti-scaling agent and the experimental water can be mixed in the experimental cylinder, so as to facilitate the personnel to observe the actual effect of the anti-scaling agent;

[0026] During the experiment, the servo motor 6 can be started to drive the lead screw 5 to rotate. The lead screw 5 drives the moving plate 8 on the nut sleeve 7 to move, so as to drive the anti-scaling agent injection nozzle 10 and the experimental water injection nozzle 11 on the bracket 9 to move and align with different experimental cylinders 2 to inject the anti-scaling agent and the experimental water. And the injection ratio of the anti-scaling agent and the experimental water in the experimental cylinder 2 can be controlled by the metering pump, so as to detect the use effect of the anti-scaling agent at different ratios or the same ratio. And the design of multiple experimental cylinders 2 can compare and observe the anti-scaling agent and the experimental water at multiple ratios at one time, and the detection will be more accurate.

[0027] Reference Figures 1 to 3 As shown in the figure, a first solenoid valve 37 is arranged on the anti-scaling agent injection nozzle 10, and a second solenoid valve 38 is arranged on the experimental water injection nozzle 11. The first solenoid valve 37 can control the opening and closing of the anti-scaling agent injection nozzle 10, and the second solenoid valve 38 can control the opening and closing of the experimental water injection nozzle 11.

[0028] Reference Figures 1 to 3As shown in the figure, an electric heating wire 20 is provided inside the side wall of the experimental cylinder 2, and a water temperature sensor 21 is provided at the lower part of the experimental cylinder 2. With this structure, each experimental cylinder 2 can heat the temperature of the mixed liquid inside each experimental cylinder 2 by separately setting the electric heating wire 20, and then use the water temperature sensor 21 to detect and control the water temperature. Thus, the effect of the scale inhibitor can be observed at different temperatures, and observations can be made at multiple different temperatures at one time, so that the optimal temperature for using the scale inhibitor can be accurately detected.

[0029] It should be noted that the model of the above water temperature sensor 21 is: TR02031.

[0030] Reference Figures 1 to 3 As shown in the figure, a control box 22 is fixedly installed on the equipment rack 1, and a PLC controller 23 is installed inside the control box 22. The solenoid valve I 37, solenoid valve II 38, servo motor 6, metering pump I 15, metering pump II 18, electric heating wire 20 and water temperature sensor 21 are all electrically connected to the PLC controller 23. With this structure, the PLC controller 23 is used to control the opening and closing of the solenoid valve I 37 and solenoid valve II 38, so as to control the opening and closing of the reverse osmosis scale inhibitor nozzle 10 and the experimental water nozzle 11. The PLC controller 23 can control the rotation of the servo motor 6 to control the moving position of the reverse osmosis scale inhibitor nozzle 10 and the experimental water nozzle 11. The PLC controller 23 can control the start of the metering pump I 15 and metering pump II 18 to inject the scale inhibitor and experimental water in equal amounts. At the same time, the water temperature sensor 21 transmits the water temperature information to the PLC controller 23, and then the PLC controller 23 can control the operation of the electric heating wire 20 to control the temperature of the experimental cylinder 2.

[0031] Reference Figures 1 to 3 As shown in the figure, a cable carrier 24 is connected between the gantry 3 and the moving plate 8, and the first hose 16 and the second hose 19 pass through the cable carrier 24. With the design of this cable carrier 24 and the hoses, stable liquid supply is ensured when the nozzles move.

[0032] Reference Figures 1 to 3 As shown in the figure, a slider 25 is fixedly connected to the bottom of the moving plate 8, and a slide rail 26 is fixedly installed on the top surface of the gantry 3. The slider 25 is slidably connected to the slide rail 26. With this structure, the slider 25 and the slide rail 26 play a guiding role in the movement of the moving plate 8.

[0033] Reference Figures 1 to 3 As shown in the figure, a transparent observation window 36 is provided on the outer wall of the experimental cylinder 2. With this structure, the transparent observation window 36 facilitates personnel to observe the actual effect of the scale inhibitor inside the experimental cylinder 2.

[0034] Reference Figures 1 to 3As shown, a rotating rod 27 is hermetically and rotatably connected to the lower part of each experimental cylinder 2. A stirring blade 28 is welded on the rotating rod 27. A driven pulley 29 is fixedly connected to the lower part of the rotating rod 27. A driven belt 30 is connected between two driven pulleys 29 on two adjacent rotating rods 27. A driving motor 31 is fixedly connected to the top surface of the equipment frame 1. The driving motor 31 is electrically connected to the PLC controller 23. The driving motor 31 is connected to a main pulley 32 through an output shaft. A main belt 33 is connected between the main pulley 32 and the nearest driven pulley 29. In this structure, the PLC controller 23 can control the driving motor 31 to drive the main pulley 32 to rotate. The main pulley 32 drives one of the driven pulleys 29 to rotate through the main belt 33. The driven pulleys 29 are driven by the driven belt 30, so as to drive the driven pulleys 29 to rotate simultaneously. Furthermore, the stirring blades 28 on the rotating rods 27 in the experimental cylinders 2 are driven to rotate simultaneously, so as to mix the scale inhibitor and the experimental water in the experimental cylinders 2 at the same time, ensuring that the liquid in the experimental cylinders 2 is evenly mixed.

[0035] Reference Figures 1 to 3 As shown, a fixing frame 34 is fixedly connected to one side of the top surface of the equipment frame 1. An operation touch screen 35 is fixedly installed on the fixing frame 34. The operation touch screen 35 is electrically connected to the PLC controller 23. In this structure, personnel can

[0036] It should be noted that the specific PLC control equipment and control programs involved in the above embodiments can be realized in the prior art, and the principles have been disclosed. However, this application does not improve the specific PLC control equipment and control programs, so no more introduction will be made here.

[0037] The implementation principle of a detection device for reverse osmosis scale inhibitors according to an embodiment of the present application is as follows: During use, the PLC controller 23 controls the start of metering pump 15, so that the scale inhibitor in the liquid scale inhibitor storage tank 12 is sent into the reverse osmosis scale inhibitor injection nozzle 10 through the first conveying pipe 14 and the first hose 16, and injected into the experimental cylinder 2. The injection volume is set by controlling metering pump 15. Similarly, the PLC controller 23 can send the experimental water in the experimental water storage tank 13 into the experimental water injection nozzle 11 through the second conveying pipe 17 and the second hose 19 by means of metering pump 18, and inject it into the experimental cylinder 2. The injection volume is set by controlling metering pump 18. When the perfusion of one experimental cylinder 2 is completed, the PLC controller 23 can control the start of the servo motor 6 to drive the lead screw 5 to rotate. The lead screw 5 drives the moving plate 8 on the lead screw sleeve 7 to move, thereby driving the reverse osmosis scale inhibitor injection nozzle 10 and the experimental water injection nozzle 11 on the bracket 9 to move and align with different experimental cylinders 2 for injecting scale inhibitor and experimental water. The injection ratio of scale inhibitor and experimental water in different experimental cylinders 2 can be controlled by the metering pump. When the perfusion of the experimental cylinder 2 is completed, the PLC controller 23 can control the driving motor 31 to drive the main pulley 32 to rotate. The main pulley 32 drives one of the driven pulleys 29 to rotate through the main belt 33. The driven pulleys 29 are driven by the secondary belt 30, so that the driven pulleys 29 that play a role rotate simultaneously, and then drive the stirring blades 28 on the rotating rod 27 in the experimental cylinder 2 to rotate simultaneously, thereby mixing the scale inhibitor and experimental water in the experimental cylinder 2 at the same time to ensure that the liquid in the experimental cylinder 2 is evenly mixed. Then, the personnel can detect the use effect of the scale inhibitor under different ratios;

[0038] When it is necessary to detect the effect of the scale inhibitor at different temperatures, the experimental cylinder 2 heats the mixed liquid temperature in each experimental cylinder 2 by separately setting the electric heating wire 20. Then, the water temperature sensor 21 is used to detect and control the water temperature, and the data is transmitted to the PLC controller 23. Then, the PLC controller 23 can control the start and stop of the electric heating wire 22, so as to accurately control each experimental cylinder 2 to reach the required temperature, so that the effect of the scale inhibitor can be observed at different temperatures. It can be observed at multiple different temperatures at one time, so that the best temperature for using the scale inhibitor can be fully and accurately detected.

[0039] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A detection device for reverse osmosis antiscalant, comprising a device frame (1), characterized in that: A plurality of experimental cylinders (2) are fixedly mounted on the top surface of the equipment frame (1), a portal frame (3) is fixedly mounted on the top surface of the equipment frame (1), vertical plates (4) are fixedly mounted on both sides of the top surface of the portal frame (3), a screw rod (5) is rotatably connected to the vertical plates (4), a servo motor (6) is fixedly mounted on one of the vertical plates (4), an output shaft of the servo motor (6) is connected to the screw rod (5), a threaded sleeve (7) is threadedly connected to the screw rod (5), a moving plate (8) is fixedly connected to the threaded sleeve (7), a bracket (9) is fixedly mounted on the moving plate (8), a reverse osmosis antiscalant injection nozzle (10) and an experimental water injection nozzle (11) are fixedly mounted on the bracket (9), a liquid antiscalant storage box (12) and an experimental water storage tank (11) are fixedly mounted on the lower part of the equipment frame (1). The liquid antiscalant storage box (13) is connected to a delivery pipe (14) and a metering pump (15) is arranged on the liquid inlet side of the delivery pipe (14). The metering pump (15) is fixedly mounted on the equipment frame (1). The liquid outlet end of the delivery pipe (14) is connected to a hose (16). The liquid outlet end of the hose (16) is connected to the reverse osmosis antiscalant injection nozzle (10). The experimental water storage box (13) is connected to a delivery pipe (17). A metering pump (18) is arranged on the liquid inlet side of the delivery pipe (17). The metering pump (18) is fixedly mounted on the equipment frame (1). The liquid outlet end of the delivery pipe (17) is connected to a hose (19). The liquid outlet end of the hose (19) is connected to the experimental water injection nozzle (11). The reverse osmosis antiscalant injection nozzle (10) is provided with a solenoid valve 1 (37), and the experimental water injection nozzle (11) is provided with a solenoid valve 2 (38); An electric heating wire (20) is arranged inside the side wall of the experimental cylinder (2), and a water temperature sensor (21) is arranged at the lower part of the experimental cylinder (2).

2. A detection device for reverse osmosis antiscalant according to claim 1, characterized in that: A control box (22) is fixedly mounted on the equipment frame (1), a PLC controller (23) is installed in the control box (22), and the solenoid valve 1 (37), the solenoid valve 2 (38), the servo motor (6), the metering pump 1 (15), the metering pump 2 (18), the electric heating wire (20) and the water temperature sensor (21) are all electrically connected to the PLC controller (23).

3. A detection device for reverse osmosis antiscalant according to claim 1, characterized in that: A tank chain (24) is connected between the portal frame (3) and the shift plate (8), and the hose 1 (16) and the hose 2 (19) pass through the tank chain (24).

4. A detection device for reverse osmosis antiscalant according to claim 1, characterized in that: A slider (25) is fixedly connected to the bottom of the shift plate (8), a slide rail (26) is fixedly installed on the top surface of the door frame (3), and the slider (25) is slidably connected to the slide rail (26).

5. The detection device for reverse osmosis antiscalant according to claim 1, characterized in that: A transparent observation window (36) is provided on the outer wall of the experimental cylinder (2).

6. A detection device for reverse osmosis antiscalant according to claim 2, characterized in that: The lower part of each experimental cylinder (2) is sealed and rotatably connected to a rotating rod (27), a stirring blade (28) is welded on the rotating rod (27), a slave pulley (29) is fixedly connected to the lower part of the rotating rod (27), a slave belt (30) is connected between two slave pulleys (29) on two adjacent rotating rods (27), a driving motor (31) is fixedly connected to the top surface of the equipment frame (1), the driving motor (31) is electrically connected to the PLC controller (23), the driving motor (31) is connected to a main pulley (32) via an output shaft, and a main belt (33) is connected between the main pulley (32) and the nearest slave pulley (29).

7. A detection device for reverse osmosis antiscalant according to claim 6, characterized in that: A fixing frame (34) is fixedly connected to one side of the top surface of the equipment frame (1), and a control touch screen (35) is fixedly mounted on the fixing frame (34), and the control touch screen (35) is electrically connected to the PLC controller (23).

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