A desulfurization wastewater zero discharge device

Abstract

The present invention provides a desulfurization wastewater zero discharge device, including a sedimentation tank, a suction pump, a purification tank, a fixed plate, a filter membrane, a motor, a slag discharge pipe, a ball valve, a water outlet pipe and a liquid inlet pipe, the upper outer surface of the sedimentation tank is provided with a medicine storage box, the outer surface of one side of the sedimentation tank is penetrated with a first connecting pipe, one end of the first connecting pipe is fixedly connected to the inside of the sedimentation tank, and the other end is connected to the input end of the suction pump, the output end of the suction pump is fixedly connected with a second connecting pipe, and the end of the second connecting pipe away from the suction pump is fixedly connected to the inside of the purification tank, the lower outer surface of the medicine storage box is provided with a medicine outlet pipe, and one end of the medicine outlet pipe is connected to the medicine storage box, and the other end is located inside the sedimentation tank, and a valve is provided in the middle of the medicine outlet pipe. The present invention can effectively reduce the production cost and labor cost of the device, and improve the automation rate and promotion scope of the device.

Description

Technical Field

[0001] The invention relates to the technical field of desulfurization wastewater treatment, and in particular to a desulfurization wastewater zero-discharge device. Background Art

[0002] As we all know, the desulfurization wastewater zero emission device is a device used to further remove suspended matter, heavy metals and a large amount of SO42−, SO32−, Cl− ions in sulfur-containing wastewater after it is discharged in industrial production to improve the quality of wastewater discharge. It has been widely used in the field of desulfurization wastewater treatment.

[0003] The existing patent (announcement number: CN209307086U) is a zero-emission device for desulfurization wastewater, including a sedimentation tank, bolts, blocks, suction pumps, purification tanks, support rods, support plates, hanging ropes and textile bags; also including a blower, a diffuser, a fixed plate and a filter membrane; also including a front fixed rod, a rear fixed rod, a fixed shaft, a pulley and a binding rod, the top ends of the front fixed rod and the rear fixed rod are respectively connected to the front half area and the rear half area of ​​the bottom of the support plate, the front end of the fixed shaft passes through the central area of ​​the pulley, the front end and the rear end of the fixed shaft are respectively connected to the lower half area of ​​the rear side wall of the front fixed rod and the lower half area of ​​the front side wall of the rear fixed rod, the left end of the binding rod is connected to the lower half area of ​​the right side wall of the support rod, one end of the hanging rope extends into the interior of the purification tank through the third opening and is connected to the top end of the textile bag, and the other end of the hanging rope is tied around the pulley and tied to the binding rod.

[0004] In the process of implementing the present invention, the inventors found that there are at least the following problems in the prior art that have not been solved:

[0005] 1. The chemical reagent delivery structure and device are split structures, which need to be frequently disassembled and installed during use, which is inconvenient. In addition, the method of using a blower to fully contact the chemical reagent with the wastewater is costly, which limits the promotion scope of the device;

[0006] 2. The scraper needs to be moved manually during use, which increases the labor cost of the device and is not convenient for widespread promotion;

[0007] 3. It is time-consuming and laborious to manually adjust the position of the high-activity activated carbon so that it can fully contact with the wastewater, which increases labor costs and is inconvenient, thereby reducing the promotion scope of the device.

[0008] Therefore, a desulfurization wastewater zero discharge device is proposed. Summary of the invention

[0009] The first purpose of the present invention is to provide a desulfurization wastewater zero discharge device, which can effectively reduce the production cost and labor cost of the device, improve the automation rate and promotion scope of the device, so as to solve the problems raised in the above background technology.

[0010] The present invention provides a desulfurization wastewater zero discharge device, comprising a sedimentation tank, a suction pump, a purification tank, a fixed plate, a filter membrane, a motor, a slag discharge pipe, a ball valve, a water outlet pipe and a liquid inlet pipe. The upper outer surface of the sedimentation tank is provided with a medicine storage box, and the outer surface of one side of the sedimentation tank is penetrated by a first connecting pipe, one end of the first connecting pipe is fixedly connected to the interior of the sedimentation tank, and the other end is connected to the input end of the suction pump, the output end of the suction pump is fixedly connected to the second connecting pipe, and the end of the second connecting pipe away from the suction pump is fixedly connected to the interior of the purification tank, the lower outer surface of the medicine storage box is provided with a medicine outlet pipe, and one end of the medicine outlet pipe is connected to the medicine storage box, and the other end is located inside the sedimentation tank, a valve is provided in the middle of the medicine outlet pipe, and the inside of the sedimentation tank An arc plate is fixedly connected to the side of the upper end of the surface close to the medicine outlet pipe, and a plurality of groups of medicine outlet holes are opened on the outer surface of the arc plate, a connecting rod passes through the outer surface of the rear end of the sedimentation tank, and one end of the connecting rod is located inside the sedimentation tank and fixedly connected to a scraper plate, an end of the connecting rod away from the scraper plate is fixedly connected to the connecting plate, one end of the output shaft of the motor is fixedly connected to a threaded rod, and an end of the threaded rod away from the output shaft passes through the connecting plate and is threadedly connected thereto, an end of the outer surface of the threaded rod away from the output shaft is fixedly connected to a rotating rod, and one end of the rotating rod extends to the interior of the purification tank, a stirring rod is fixedly connected to the side of the outer surface of the rotating rod located inside the purification tank, and a sleeve is fixedly connected to the outer surface of the stirring rod.

[0011] By adopting the above technical solution, the production cost and labor cost of the device can be effectively reduced, and the automation rate and promotion scope of the device can be improved.

[0012] Preferably, the sleeve is double-layered and hollowed out, and highly active activated carbon is arranged inside the double-layer interlayer of the sleeve.

[0013] By adopting the above technical solution, the sleeve is used to rotate with the stirring rod to uniformly adsorb impurities inside the purification tank.

[0014] Preferably, a connecting block is fixedly connected to one end of the outer surface of the sleeve close to the rotating rod, and a screw passes through the outer surface of one side of the connecting block. The screw passes through the connecting block and the stirring rod in turn, and a nut is threadedly connected to one end of the outer surface of the screw.

[0015] By adopting the above technical solution, it is convenient for workers to disassemble and clean the sleeve.

[0016] Preferably, the fixing plate is fixedly connected to the interior of the sedimentation tank, and the fixing plate is located on one side of the arc-shaped plate, and a section of the first connecting pipe away from the suction pump input end is located above the fixing plate.

[0017] By adopting the above technical solution, the residue inside the sedimentation tank can be effectively reduced from entering the purification tank from the first connecting pipe under the action of the suction pump.

[0018] Preferably, the outer surface of the lower end of the scraper blade is tightly fitted with the lower end of the inner surface of the sedimentation tank, and the outer surfaces on both sides of the scraper blade are also tightly fitted with the outer surfaces on both sides of the sedimentation tank.

[0019] By adopting the above technical solution, the forward and reverse rotation of the motor output shaft is utilized to make the connecting plate move back and forth along the motor output shaft, so that the scraper plate moves inside the sedimentation tank to scrape off the residue inside the sedimentation tank.

[0020] Preferably, a wire is provided on an outer surface of one side of the suction pump, and the wire is electrically connected to the suction pump.

[0021] By adopting the above technical solution, the wire is connected to the external power supply, so that the suction pump works.

[0022] Preferably, a wire is also provided on one side outer surface of the motor, and the wire is electrically connected to the motor.

[0023] By adopting the above technical solution, the wire is connected to the external power supply, so that the motor works.

[0024] Compared with the prior art, the present invention has the following beneficial effects:

[0025] 1. By adding a series of structural components such as a medicine storage box, a medicine outlet pipe, a valve, and an arc plate to the device, when the device is used, the staff puts the chemical reagents into the medicine storage box in advance, and then opens the valve when it is needed to be put in, and the chemical reagents enter the sedimentation tank from the medicine outlet pipe, and pass through several groups of medicine outlet holes of the arc plate to make the chemical reagents and desulfurization wastewater contact and react evenly and fully. The device uses arc chemical reagents to pass through the arc plate to make the chemical reagents and wastewater contact and react evenly and partially, while reducing the use and production costs of the device;

[0026] 2. By adding a series of structural components such as connecting rods, scraper plates, connecting plates, and threaded rods to the device, when the device is in use, the external power supply is turned on to make the motor work, and the output shaft of the motor rotates forward and reversely, so that the connecting plate reciprocates along the threaded rod seat, and the connecting plate drives the connecting rod to move the scraper plate inside the sedimentation tank, scraping the residue in the sedimentation tank into the inlet and outlet of the residue, and the residue is discharged by adjusting the ball valve. The device can use the motor to drive the scraper plate to scrape the residue in the sedimentation tank, saving time and labor, and reducing labor costs;

[0027] 2. By adding a series of structural components such as a rotating rod, a stirring rod, a sleeve, a connecting block, a screw, a nut, etc. to the device, when the device is in use, the external power supply is turned on to make the motor work, and the output shaft of the motor rotates forward and reversely, thereby driving the rotating rod and the stirring rod to rotate. The sleeve equipped with high-activity activated carbon rotates with the stirring rod. The stirring rod is used to evenly mix the chemical substances with the wastewater, accelerate the precipitation, and evenly adsorb the residual impurities in the wastewater inside the purification tank. The device, by rotating the sleeve equipped with high-activity activated carbon with the stirring rod, improves the adsorption rate of impurities in the wastewater inside the purification tank while reducing labor costs, thereby reducing restrictions on the use of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0029] Figure 1 It is a structural schematic diagram of the present invention;

[0030] Figure 2 is a cross-sectional view of the present invention;

[0031] Figure 3 A structural view of the connecting rod and the scraper blade of the present invention;

[0032] Figure 4 This is a structural view of the purification tank and stirring rod of the present invention;

[0033] Figure 5 This is a structural view of the rotating rod and stirring rod of the present invention.

[0034] Description of reference numerals:

[0035] 1. Sedimentation tank; 2. Suction pump; 3. Purification tank; 4. Fixed plate; 5. Filter membrane; 6. Motor; 7. Slag discharge pipe; 8. Ball valve; 9. Water outlet pipe; 10. Liquid inlet pipe; 11. Second connecting pipe; 12. Medicine storage box; 13. Medicine outlet pipe; 14. Valve; 15. Curved plate; 16. Connecting rod; 17. Scraper plate; 18. Connecting plate; 19. Threaded rod; 20. Rotating rod; 21. Stirring rod; 22. Sleeve; 23. Connecting block; 24. Screw; 25. Nut. DETAILED DESCRIPTION

[0036] The technical solution of the present invention will be clearly and completely described below in conjunction with the embodiments. Obviously, the described embodiments are part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0037] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0038] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, "multiple" means two or more, unless otherwise clearly and specifically defined. In addition, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal connection of two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0039] See also Figures 1 to 5 , the present invention provides a technical solution:

[0040] A zero-discharge device for desulfurization wastewater, comprising a sedimentation tank 1, a suction pump 2, a purification tank 3, a fixed plate 4, a filter membrane 5, a motor 6, a slag discharge pipe 7, a ball valve 8, a water outlet pipe 9 and a liquid inlet pipe 10, wherein a medicine storage box 12 is arranged on the upper outer surface of the sedimentation tank 1, a first connecting pipe is penetrated through the outer surface of one side of the sedimentation tank 1, one end of the first connecting pipe is fixedly connected to the interior of the sedimentation tank 1, and the other end is connected to the input end of the suction pump 2, a second connecting pipe 11 is fixedly connected to the output end of the suction pump 2, and an end of the second connecting pipe 11 away from the suction pump 2 is fixedly connected to the interior of the purification tank 3, a medicine outlet pipe 13 is arranged on the lower outer surface of the medicine storage box 12, and one end of the medicine outlet pipe 13 is connected to the medicine storage box 12, and the other end is located inside the sedimentation tank 1, a valve 14 is arranged in the middle of the medicine outlet pipe 13, and an arc plate 15 is fixedly connected to the upper end of the inner surface of the sedimentation tank 1 near the medicine outlet pipe 13;

[0041] , and the outer surface of the arc plate 15 is provided with a plurality of groups of medicine outlet holes, a connecting rod 16 is penetrated through the outer surface of the rear end of the sedimentation tank 1, and one end of the connecting rod 16 is located inside the sedimentation tank 1 and fixedly connected to a scraper plate 17, and the end of the connecting rod 16 away from the scraper plate 17 is fixedly connected to a connecting plate 18, one end of the output shaft of the motor 6 is fixedly connected to a threaded rod 19, and the end of the threaded rod 19 away from the output shaft penetrates the connecting plate 18 and is threadedly connected thereto, the end of the outer surface of the threaded rod 19 away from the output shaft is fixedly connected to a rotating rod 20, and one end of the rotating rod 20 extends to the interior of the purification tank 3, the outer surface of the rotating rod 20 is located inside the purification tank 3 and is fixedly connected to a stirring rod 21, and the outer surface of the stirring rod 21 is fixedly connected to a sleeve 22, the outer surface of the lower end of the scraper plate 17 is tightly fitted with the lower end of the inner surface of the sedimentation tank 1, and the outer surfaces of both sides of the scraper plate 17 are also tightly fitted with the outer surfaces of both sides of the sedimentation tank 1.

[0042] By adopting the above technical solution, the production cost and labor cost of the device can be effectively reduced, and the automation rate and promotion scope of the device can be improved.

[0043] Specifically, the sleeve 22 is in a double-layer hollow shape, and high-activity activated carbon is arranged inside the double-layer interlayer of the sleeve 22.

[0044] By adopting the above technical solution, the sleeve 22 rotates with the stirring rod 21 to uniformly adsorb the impurities inside the purification tank 3.

[0045] Specifically, a connecting block 23 is fixedly connected to one end of the outer surface of the sleeve 22 close to the rotating rod 20, and a screw 24 penetrates the outer surface of one side of the connecting block 23. The screw 24 penetrates the connecting block 23 and the stirring rod 21 in sequence, and a nut 25 is threadedly connected to one end of the outer surface of the screw 24.

[0046] By adopting the above technical solution, it is convenient for the staff to disassemble and clean the sleeve 22.

[0047] Specifically, the fixing plate 4 is fixedly connected to the inside of the sedimentation tank 1 , and the fixing plate 4 is located on one side of the arc plate 15 , and a section of the first connecting pipe away from the input end of the suction pump 2 is located above the fixing plate 4 .

[0048] By adopting the above technical solution, the residue inside the sedimentation tank 1 is effectively reduced and enters the purification tank 3 from the first connecting pipe under the action of the suction pump 2.

[0049] Specifically, the lower outer surface of the scraper blade 17 is tightly fitted with the lower end of the inner surface of the sedimentation tank 1 , and the outer surfaces on both sides of the scraper blade 17 are also tightly fitted with the outer surfaces on both sides of the sedimentation tank 1 .

[0050] By adopting the above technical solution, the output shaft of the motor 6 rotates forward and backward, so that the connecting plate 18 moves back and forth along the output shaft of the motor 6 , so that the scraper plate 17 moves inside the sedimentation tank 1 to scrape off the residue inside the sedimentation tank 1 .

[0051] Specifically, a wire is disposed on an outer surface of one side of the suction pump 2 , and the wire is electrically connected to the suction pump 2 .

[0052] By adopting the above technical solution, the wire is connected to the external power supply, so that the suction pump 2 works.

[0053] Specifically, a wire is also provided on one side outer surface of the motor 6 , and the wire is electrically connected to the motor 6 .

[0054] By adopting the above technical solution, the wire is connected to the external power supply, so that the motor 6 works.

[0055] Working principle: by adding a series of structural components such as a medicine storage box 12, a medicine outlet pipe 13, a valve 14, and an arc plate 15 to the device, when the device is in use, the staff puts the chemical reagent into the medicine storage box 12 in advance, and then opens the valve 14 when it is needed, and the chemical reagent enters the sedimentation tank 1 from the medicine outlet pipe 13, and passes through several groups of medicine outlet holes of the arc plate 15 to make the chemical reagent and the desulfurization wastewater contact and react evenly and fully. The device uses the arc chemical reagent to pass through the arc plate 15 to make the chemical reagent and the wastewater contact and react evenly and partially, while reducing the use and production costs of the device; by adding a series of structural components such as a connecting rod 16, a scraper plate 17, a connecting plate 18, and a threaded rod 19 to the device, when the device is in use, the external power supply is turned on to make the motor 6 work, and the output shaft of the motor 6 rotates forward and reversely, so that the connecting plate 18 reciprocates along the threaded rod 19 seat, and the connecting plate 18 drives the connecting rod 16 so that the scraper plate 17 is inside the sedimentation tank 1 The device can use the motor 6 to drive the scraper 17 to scrape the residue in the sedimentation tank 1, saving time and labor, and reducing labor costs; by adding a series of structural components such as a rotating rod 20, a stirring rod 21, a sleeve 22, a connecting block 23, a screw 24, and a nut 25 to the device, when the device is in use, the external power supply is turned on to make the motor 6 work, and the output shaft of the motor 6 rotates forward and reversely, thereby driving the rotating rod 20 and the stirring rod 21 to rotate, and the sleeve 22 with high-activity activated carbon rotates with the stirring rod 21, and the chemical substances are uniformly mixed with the wastewater by using the stirring rod 21, and the residual impurities in the wastewater inside the purification tank 3 are uniformly adsorbed while the precipitation is accelerated. The device, through the sleeve 22 with high-activity activated carbon rotating with the stirring rod 21, improves the adsorption rate of impurities in the wastewater inside the purification tank 3 while reducing labor costs, thereby reducing the use restrictions of the device.

[0056] Usage: When the device is used, the staff puts the chemical reagent into the medicine storage box 12 in advance, and then opens the valve 14 when it is needed to be put in, and the chemical reagent enters the sedimentation tank 1 from the medicine outlet pipe 13, and passes through several groups of medicine outlet holes of the arc plate 15 to make the chemical reagent and the desulfurization wastewater uniformly and fully contact and react, and turn on the external power supply to make the motor 6 work, and the output shaft of the motor 6 rotates forward and reverse, so that the connecting plate 18 reciprocates along the threaded rod 19 seat, and the connecting plate 18 drives the connecting rod 16 to move the scraper plate 17 inside the sedimentation tank 1, and scrapes the residue of the sedimentation tank 1 into the inlet and outlet of the residue, and discharges the residue by adjusting the ball valve 8. In this process, the output shaft of the motor 6 drives the rotating rod 20 and the stirring rod 21 to rotate, and the sleeve 22 with high-activity activated carbon rotates with the stirring rod 21, and the stirring rod 21 is used to mix the chemical substance and the wastewater uniformly, and the residual impurities in the wastewater inside the purification tank 3 are uniformly adsorbed while accelerating the precipitation. The model of the motor 6 is: YE2-100L2-8.

[0057] The electrical components appearing in this article are all connected to the external main controller and 220V AC power through a transformer, and the main controller can be a conventional known device that controls a computer, etc. The product model provided by the present invention is only used for the technical solution according to the structural characteristics of the product. The product will be adjusted and modified after purchase to make it more matching and consistent with the technical solution of the present invention. It is a technical solution for the best application of the technical solution. The model of its product can be replaced and modified according to the required technical parameters, which is well known to technical personnel in this field. Therefore, technical personnel in this field can clearly obtain the corresponding use effect through the technical solution provided by the present invention.

[0058] Finally, it should be noted that 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 aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A desulfurization wastewater zero discharge device, comprising a sedimentation tank (1), a suction pump (2), a purification tank (3), a fixed plate (4), a filter membrane (5), a motor (6), a slag discharge pipe (7), a ball valve (8), a water outlet pipe (9) and a liquid inlet pipe (10), characterized in that: A medicine storage box (12) is provided on the outer surface of the upper end of the sedimentation tank (1), a first connecting pipe is passed through the outer surface of one side of the sedimentation tank (1), one end of the first connecting pipe is fixedly connected to the interior of the sedimentation tank (1), and the other end is connected to the input end of the suction pump (2), the output end of the suction pump (2) is fixedly connected to the second connecting pipe (11), and the end of the second connecting pipe (11) away from the suction pump (2) is fixedly connected to the interior of the purification tank (3), the lower end of the medicine storage box (12) is provided with a medicine outlet pipe (13), one end of the medicine outlet pipe (13) is connected to the medicine storage box (12), and the other end is located inside the sedimentation tank (1), a valve (14) is provided in the middle of the medicine outlet pipe (13), and an arc plate (15) is fixedly connected to the side of the upper end of the inner surface of the sedimentation tank (1) close to the medicine outlet pipe (13), and the outer surface of the arc plate (15) A plurality of groups of medicine outlet holes are provided, a connecting rod (16) is passed through the rear end outer surface of the sedimentation tank (1), one end of the connecting rod (16) is located inside the sedimentation tank (1) and is fixedly connected to a scraper plate (17), one end of the connecting rod (16) away from the scraper plate (17) is fixedly connected to a connecting plate (18), one end of the output shaft of the motor (6) is fixedly connected to a threaded rod (19), and the end of the threaded rod (19) away from the output shaft passes through the connecting plate (18) and is threadedly connected thereto, one end of the outer surface of the threaded rod (19) away from the output shaft is fixedly connected to a rotating rod (20), and one end of the rotating rod (20) extends to the inside of the purification tank (3), a stirring rod (21) is fixedly connected to the side of the outer surface of the rotating rod (20) located inside the purification tank (3), and a sleeve (22) is fixedly connected to the outer surface of the stirring rod (21); The sleeve (22) is in a double-layer hollow shape, and high-activity activated carbon is arranged inside the double-layer interlayer of the sleeve (22); The fixed plate (4) is fixedly connected to the interior of the sedimentation tank (1), and the fixed plate (4) is located on one side of the arc-shaped plate (15), and a section of the first connecting pipe away from the input end of the suction pump (2) is located above the fixed plate (4); The outer surface of the lower end of the scraper blade (17) is tightly fitted to the lower end of the inner surface of the sedimentation tank (1), and the outer surfaces on both sides of the scraper blade (17) are also tightly fitted to the outer surfaces on both sides of the sedimentation tank (1).

2. A desulfurization wastewater zero discharge device according to claim 1, characterized in that: A connecting block (23) is fixedly connected to one end of the outer surface of the sleeve (22) close to the rotating rod (20), and a screw (24) penetrates through one side of the outer surface of the connecting block (23). The screw (24) penetrates the connecting block (23) and the stirring rod (21) in sequence, and a nut is threadedly connected to one end of the outer surface of the screw (24).

3. A desulfurization wastewater zero discharge device according to claim 1, characterized in that: A conductive wire is provided on one outer surface of the suction pump (2), and the conductive wire is electrically connected to the suction pump (2).

4. A desulfurization wastewater zero discharge device according to claim 3, characterized in that: A conductive wire is also provided on one side outer surface of the motor (6), and the conductive wire is electrically connected to the motor (6).

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