Cleaning equipment for interior of water storage tank

Abstract

The invention discloses water storage tank interior cleaning equipment which comprises a liquid spraying device and a liquid supply device, the liquid spraying device comprises a fixing base, a plurality of annularly-arranged supporting pipes are rotationally arranged on the fixing base, liquid channels are formed in the supporting pipes, a rotating connector is arranged at one end of each supporting pipe, and a plurality of rotating nozzles facing different directions are arranged on the supporting pipes in the axial direction of the supporting pipes; the supporting pipe is provided with a rotary driving mechanism; the liquid supply device comprises a water storage tank, a liquid medicine storage tank and a mixing mechanism, the water storage tank and the liquid medicine storage tank are both communicated with the input end of the mixing mechanism, and the output end of the mixing mechanism is communicated with the rotary joint. When the water storage tank needs to be cleaned, the mixing mechanism mixes clean water and medicine liquid to obtain cleaning liquid, the cleaning liquid is conveyed to the rotary spray head through the supporting pipe, the rotary spray head sprays the cleaning liquid to the inner wall of the water storage tank, and due to the fact that the rotary spray head has the autorotation and revolution functions, all-directional cleaning of the interior of the water storage tank can be achieved; and the water storage tank is cleaned more thoroughly.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of cleaning equipment, and particularly relates to a water storage tank internal cleaning equipment. BACKGROUND

[0002] To meet increasingly stringent environmental emission standards, more and more petrochemical, fine chemical, pharmaceutical production, food production equipment fields newly built or device modification begin to use stainless steel water storage tanks and the like to meet production needs. After the water storage tank is used for a period of time, impurities in the liquid will deposit on the tank bottom and tank wall, pollute the liquid in the water storage tank, and reduce the effective capacity of the water storage tank, so the water storage tank needs to be regularly inspected, repaired and cleaned of tank sludge. The domestic traditional water storage tank cleaning method mainly uses manual labor, and manual tank cleaning has problems such as high labor intensity, poor safety, long operation time and the like. With the development of industrialization, manual tank cleaning does not meet the objective requirements of the environment and development, and the elimination of manual tank cleaning is inevitable.

[0003] Chinese patent document CN212329172U discloses a water storage tank punch type cleaning device, which comprises a tank body, one end of an inlet pipe penetrating through the end face of the baffle, the end of the inlet pipe away from the flange plate being located inside the tank body, a rotating pipe being arranged on the inner surface of the inlet pipe, the rotating pipe and the inlet pipe being rotationally connected, a rotating shaft being arranged at the inner shaft of the rotating pipe, the rotating shaft being fixedly connected with the rotating pipe through a connecting rod, helical vanes being arranged on the outer surface of the rotating shaft, and a cleaning device being arranged on the outer surface of the rotating pipe. The technical scheme sets the rotating shaft in the rotating pipe through the connecting rod, and sets the helical vanes on the rotating shaft, so that the high-pressure water can drive the rotating pipe to rotate after passing through the helical vanes, the cleaning device is arranged on the surface of the rotating pipe, the rotating pipe drives the cleaning device to rotate, the side wall inside the tank body is cleaned, and the cleaning effect is good.

[0004] The above patent document sprays cleaning water through the water spray hole and directly sprays it on the inner surface of the tank body to realize the cleaning function. However, the radiation position of the water spray hole is limited when it rotates, and there is a certain cleaning dead angle on the inner surface of the tank body, which can easily lead to incomplete cleaning of the water storage tank. SUMMARY

[0005] The purpose of the present application is to provide a water storage tank internal cleaning equipment to solve the above-mentioned problems existing in the prior art.

[0006] In order to achieve the above object, the application adopts the following technical scheme: a water storage tank internal cleaning equipment, comprising a liquid spraying device and a liquid supply device, the liquid spraying device comprises a fixed seat, the fixed seat is arranged at the top of the water storage tank, a plurality of support pipes arranged in a ring shape are rotatably arranged on the fixed seat, one end of the support pipe extends into the water storage tank, a liquid channel is arranged in the support pipe, a rotary joint is arranged at one end of the support pipe, a plurality of rotary nozzles are arranged on the support pipe in different directions, the rotary nozzles are communicated with the rotary joint through the liquid channel, and the rotary nozzles can rotate under the action of water flow pressure; the support pipe is provided with a rotary driving mechanism, and the rotary driving mechanism can drive the rotary nozzles to revolve; the liquid supply device comprises a water storage tank, a liquid medicine storage tank and a mixing mechanism, the water storage tank and the liquid medicine storage tank are communicated with the input end of the mixing mechanism, and the output end of the mixing mechanism is communicated with the rotary joint.

[0007] As an optional implementation form of the above technical scheme, the liquid supply device further comprises a first three-way proportional valve, one input end of the first three-way proportional valve is communicated with the water storage tank, another input end of the first three-way proportional valve is communicated with the liquid medicine storage tank, and the output end of the first three-way proportional valve is communicated with the input end of the mixing mechanism; the first three-way proportional valve is connected with a controller, and the controller is used for adjusting the opening of the first three-way proportional valve based on a preset liquid medicine ratio.

[0008] As an optional implementation form of the above technical scheme, the mixing mechanism comprises a mixing pipe, a spiral mixing flow channel is arranged in the mixing pipe, and the mixing pipe is provided with a heating device, and the heating device is connected with the controller.

[0009] As an optional implementation form of the above technical scheme, the heating device comprises an electric heating pipe and a first temperature sensor, the electric heating pipe and the first temperature sensor are connected with the controller, the electric heating pipe is arranged along the spiral mixing flow channel, and the first temperature sensor is used for detecting the liquid temperature of the mixing flow channel.

[0010] As an optional implementation form of the above technical scheme, the support pipe is provided with a second temperature sensor, the second temperature sensor is connected with the controller, and the controller is used for dynamically adjusting the heating power of the electric heating pipe based on the difference between the second temperature sensor and the first temperature sensor.

[0011] As an optional implementation form of the above technical scheme, a water outlet pipe is connected between the water storage tank and the first three-way proportional valve, a first driving pump and a water outlet control valve are arranged on the water outlet pipe, and the first driving pump and the water outlet control valve are connected with the controller.

[0012] As an optional implementation form of the above technical solution, a liquid medicine output pipe is connected between the liquid medicine storage tank and the first three-way proportional valve, and a second driving pump and a liquid medicine control valve are arranged on the liquid medicine output pipe, and the second driving pump and the liquid medicine control valve are connected with the controller.

[0013] As an optional implementation form of the above technical solution, a liquid mixing pipe is connected between the mixing mechanism and the first three-way proportional valve, a second three-way proportional valve is arranged on the liquid mixing pipe, one input end of the second three-way proportional valve is communicated with the output end of the first three-way proportional valve, the other input end of the second three-way proportional valve is communicated with the liquid discharge end of the water storage tank, and the output end of the second three-way proportional valve is communicated with the input end of the mixing mechanism; the second three-way proportional valve is communicated with the controller, and the controller is used for adjusting the opening of the second three-way proportional valve based on a preset liquid medicine ratio.

[0014] As an optional implementation form of the above technical solution, a purifying device is connected with the liquid discharge end of the water storage tank, a liquid return pipe is arranged between the liquid output end of the purifying device and one input end of the second three-way proportional valve, a third driving pump and a liquid return control valve are arranged on the liquid return pipe, and the third driving pump and the liquid return control valve are connected with the controller.

[0015] As an optional implementation form of the above technical solution, the purifying device comprises a purifying tank, a purifying cylinder is arranged on the top of the purifying tank, a ceramic filter element is arranged in the purifying cylinder, a metal filter screen is arranged on one end of the ceramic filter element, and an activated carbon filter screen is arranged on the other end of the ceramic filter element.

[0016] As an optional implementation form of the above technical solution, the rotating driving mechanism comprises a rotating driving motor, a driving gear is arranged on the output shaft of the rotating driving motor, a driven gear is arranged on each support pipe, and each driven gear is arranged around the driving gear and is meshed with the driving gear.

[0017] The present application has the following beneficial effects: The present application provides a water storage tank internal cleaning equipment, when the water storage tank needs to be cleaned, the mixing mechanism mixes the clean water and the liquid medicine to obtain a cleaning liquid, the cleaning liquid is transported to the rotating spray head through the support pipe, and the rotating spray head sprays the cleaning liquid to the inner wall of the water storage tank, because the rotating spray head has the functions of rotation and revolution, the water storage tank can be cleaned in all directions, so that the water storage tank can be cleaned more thoroughly. In addition, the mixing mechanism mixes the clean water and the liquid medicine, so that the cleaning liquid can be mixed on demand, without the need to prepare the cleaning liquid in advance, which can greatly meet the cleaning work of large-scale large tanks, and not only ensures the cleaning quality, but also saves a lot of time cost. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a structural schematic view of the water storage tank internal cleaning equipment in an embodiment of the present application. Figure 2 yes Figure 1 Enlarged view of section A in the middle; Figure 3 This is a schematic diagram of the mixing mechanism in one embodiment of the present invention; Figure 4 This is a schematic diagram of the structure of the purification cylinder in one embodiment of the present invention.

[0019] In the diagram: 1-Fixed base; 2-Water storage tank; 3-Support pipe; 4-Rotary joint; 5-Rotary nozzle; 6-Water storage tank; 7-Medicine storage tank; 8-Mixing mechanism; 9-First three-way proportional valve; 10-Mixing pipe; 11-Mixing channel; 12-First drive pump; 13-Outlet control valve; 14-Second drive pump; 15-Medicine control valve; 16-Second three-way proportional valve; 17-Third drive pump; 18-Return control valve; 19-Purification tank; 20-Purification cylinder; 21-Ceramic filter element; 22-Metal filter screen; 23-Activated carbon filter screen; 24-Rotary drive motor; 25-Drive gear; 26-Driven gear. Detailed Implementation

[0020] Example 1 like Figure 1 As shown, this embodiment provides an internal cleaning device for a water storage tank 2, including a spraying device and a supplying device. The spraying device includes a fixed base 1, which is disposed on the top of the water storage tank 2. Multiple support pipes 3 arranged in a ring are rotatably mounted on the fixed base 1, with one end of each support pipe 3 extending into the interior of the water storage tank 2. The top of the water storage tank 2 has an open structure. A lifting device is used to hoist the fixed base 1 above the water storage tank 2, allowing the multiple support pipes 3 to extend into the interior of the water storage tank 2 together. The fixed base 1 covers the top of the water storage tank 2. Clamps or other components can be added to secure the fixed base 1.

[0021] The support pipe 3 has a liquid channel inside, and a rotary joint 4 is provided at one end of the support pipe 3. Multiple rotating nozzles 5 with different orientations are arranged along the axial direction of the support pipe 3. The rotating nozzles 5 are connected to the rotary joint 4 through the liquid channel and can rotate under the pressure of water flow. The support pipe 3 is equipped with a rotary drive mechanism, which drives the rotating nozzles 5 to revolve. Since the rotating nozzles 5 have different orientations, under the action of the rotary drive mechanism, all the support pipes 3 rotate together, causing each rotating nozzle 5 to revolve. Simultaneously, under the pressure of water flow, each rotating nozzle 5 rotates on its own axis, achieving a thorough cleaning of the inner wall of the water storage tank 2 without any dead angles.

[0022] In the embodiment, the rotating driving mechanism comprises a rotating driving motor 24, a driving gear 25 is arranged on an output shaft of the rotating driving motor 24, and a driven gear 26 is arranged on each support pipe 3, each driven gear 26 is arranged around the driving gear 25 and is in mesh with the driving gear 25. The rotating driving motor 24 is installed on the fixed seat 1, the output shaft of the rotating driving motor 24 is arranged downward, and the driving gear 25 is fixed on the output shaft of the rotating driving motor 24. Four support pipes 3 can be arranged on the fixed seat 1, the four support pipes 3 are arranged in a ring shape, each support pipe 3 is provided with a driven gear 26, and each driven gear 26 is in mesh with the driving gear 25. When the rotating driving motor 24 drives the driving gear 25 to rotate, the driving gear 25 drives each driven gear 26 to rotate, so that the four support pipes 3 rotate at the same time, and the inner wall of the water storage tank 2 is fully cleaned.

[0023] The liquid supply device comprises a water storage tank 6, a liquid medicine storage tank 7 and a mixing mechanism 8, the water storage tank 6 and the liquid medicine storage tank 7 are in communication with the input end of the mixing mechanism 8, and the output end of the mixing mechanism 8 is in communication with the rotating joint 4. The water storage tank 6 stores clean water, and the liquid medicine storage tank 7 stores liquid medicine. When the water storage tank 2 needs to be cleaned, the mixing mechanism 8 mixes the clean water and the liquid medicine to obtain cleaning liquid, the cleaning liquid is delivered to the rotating nozzle 5 through the support pipe 3, and the rotating nozzle 5 sprays the cleaning liquid to the inner wall of the water storage tank 2. Since the rotating nozzle 5 has the functions of rotation and revolution, the cleaning of the inside of the water storage tank 2 can be realized in all directions, so that the water storage tank 2 can be cleaned more thoroughly. The mixing mechanism 8 is used for mixing the clean water and the liquid medicine, so that the cleaning liquid can be mixed on demand, the cleaning liquid does not need to be prepared in advance, the cleaning work of large-scale large tanks can be greatly satisfied, the quality of cleaning is ensured, and a large amount of time cost is saved.

[0024] The liquid supply device further comprises a first three-way proportional valve 9, one input end of the first three-way proportional valve 9 is in communication with the water storage tank 6, another input end of the first three-way proportional valve 9 is in communication with the liquid medicine storage tank 7, and the output end of the first three-way proportional valve 9 is in communication with the input end of the mixing mechanism 8. The first three-way proportional valve 9 is connected with a controller, and the controller is used for adjusting the opening of the first three-way proportional valve 9 based on a preset liquid medicine ratio.

[0025] The opening of the first three-way proportional valve 9 is adjusted by the controller, so that the clean water and the liquid medicine are mixed in a certain ratio to obtain the cleaning liquid, and the cleaning liquid is sprayed to the inner wall of the water storage tank 2 by the rotating nozzle 5, so that the accurate proportioning of the clean water and the liquid medicine is realized, the waste of the cleaning liquid is reduced, and the cleaning effect is ensured.

[0026] Embodiment 2 The embodiment is optimized on the basis of embodiment 1, and specifically, Figure 3As shown, the mixing mechanism 8 comprises a mixing pipe 10, which is internally provided with a spiral mixing flow channel 11. The mixing pipe 10 is provided with a heating device, which is connected to the controller. The spiral mixing flow channel 11 facilitates the mixing of clean water and liquid medicine, and the heating device can heat the cleaning liquid in the mixing flow channel 11, thereby enhancing the cleaning effect of the cleaning liquid and improving the cleaning efficiency.

[0027] Specifically, the heating device comprises an electric heating pipe and a first temperature sensor, both of which are connected to the controller. The electric heating pipe is spirally arranged along the mixing flow channel 11, and the first temperature sensor is used to detect the temperature of the liquid in the mixing flow channel 11. Preferably, the support pipe 3 is provided with a second temperature sensor, which is connected to the controller. The controller is used to dynamically adjust the heating power of the electric heating pipe based on the difference between the second temperature sensor and the first temperature sensor. By dynamically adjusting the heating power of the electric heating pipe through the controller, the cleaning liquid can be kept at an appropriate temperature to flush the inside of the tank, which can soften the debris on the tank bottom and tank wall, so that the water storage tank 2 can be cleaned more thoroughly.

[0028] Embodiment 3 This embodiment is an optimization based on embodiment 1. Specifically, a water outlet pipe is connected between the water storage tank 6 and the first three-way proportional valve 9, as shown in Figure 1 The water outlet pipe is provided with a first drive pump 12 and a water outlet control valve 13, both of which are connected to the controller. The liquid medicine storage tank 7 is connected to the liquid medicine output pipe between the first three-way proportional valve 9, which is provided with a second drive pump 14 and a liquid medicine control valve 15, both of which are connected to the controller. The first drive pump 12 is used to deliver clean water to the first three-way proportional valve 9, and the second drive pump 14 is used to deliver liquid medicine to the first three-way proportional valve 9. By controlling the opening of the first three-way proportional valve 9, the ratio of clean water and liquid medicine can be adjusted.

[0029] The mixing mechanism 8 is connected to the first three-way proportional valve 9 through a liquid mixing pipe, which is provided with a second three-way proportional valve 16. One input end of the second three-way proportional valve 16 is in communication with the output end of the first three-way proportional valve 9, and the other input end is in communication with the liquid outlet end of the water storage tank 2. The output end of the second three-way proportional valve 16 is in communication with the input end of the mixing mechanism 8. The second three-way proportional valve 16 is in communication with the controller, which is used to adjust the opening of the second three-way proportional valve 16 based on the preset liquid medicine ratio. The recovered water from the water storage tank 2 can be recycled and used as an input end of the second three-way proportional valve 16 to deliver the recovered water to the mixing mechanism 8 and mix it with the cleaning liquid in a suitable ratio, and then clean the inner wall of the water storage tank 2, thereby reducing the cleaning cost.

[0030] Embodiment 4 This embodiment is optimized on the basis of embodiment 3, specifically, the liquid outlet end of the water storage tank 2 is connected with a purification device, a liquid return pipe is arranged between the liquid output end of the purification device and one input end of the second three-way proportional valve 16, a third drive pump 17 and a liquid return control valve 18 are arranged on the liquid return pipe, and the third drive pump 17 and the liquid return control valve 18 are connected with the controller. The purification device includes a purification box 19, and the top of the purification box 19 is provided with a purification cylinder 20. As shown in Figure 4 , a ceramic filter element 21 is arranged inside the purification cylinder 20, one end of the ceramic filter element 21 is provided with a metal filter screen 22, the other end of the ceramic filter element 21 is provided with an activated carbon filter screen 23, the purification box 19 can perform sedimentation treatment on the recovered water, and the supernatant enters the purification cylinder 20 for filtration treatment. The recovered water of the water storage tank 2 is purified by the purification device, and then is delivered to the second three-way proportional valve 16 by the third drive pump 17. The recovered water and the cleaning liquid enter the mixing mechanism 8 according to a proper ratio, the mixing mechanism 8 mixes the recovered water and the cleaning liquid, and then delivers them to the rotating spray head 5 to clean the inner wall of the water storage tank 2, thereby realizing the recycling of water resources.

[0031] Embodiment 5 As shown in Figures 1-4 , this embodiment provides an internal cleaning device for a water storage tank 2, which includes a liquid spraying device and a liquid supply device. The liquid spraying device includes a fixed seat 1 arranged at the top of the water storage tank 2, a plurality of support pipes 3 arranged in a ring shape are rotatably arranged on the fixed seat 1, and one end of each support pipe 3 extends into the water storage tank 2. The top of the water storage tank 2 has an opening structure, the fixed seat 1 is hoisted to the upper side of the water storage tank 2 by using a lifting tool, and the plurality of support pipes 3 are extended into the water storage tank 2 together, and the fixed seat 1 covers the top of the water storage tank 2. Additional fixtures and other components can be added to fix the fixed seat 1.

[0032] The support pipe 3 is provided with a liquid channel, one end of the support pipe 3 is provided with a rotary joint 4, and a plurality of rotating spray heads 5 are arranged on the support pipe 3 in different directions along the axial direction of the support pipe 3. The rotating spray heads 5 are communicated with the rotary joint 4 through the liquid channel, and the rotating spray heads 5 can rotate under the action of water flow pressure. The support pipe 3 is provided with a rotating drive mechanism, which can drive the rotating spray heads 5 to revolve. The directions of the rotating spray heads 5 are different, and under the action of the rotating drive mechanism, the support pipes 3 rotate together, so that the rotating spray heads 5 revolve, and under the action of water flow pressure, the rotating spray heads 5 rotate, thereby realizing the dead angle cleaning function of the inner wall of the water storage tank 2.

[0033] The liquid supply device comprises a water storage tank 6, a chemical liquid storage tank 7 and a mixing mechanism 8, the water storage tank 6 and the chemical liquid storage tank 7 are communicated with the input end of the mixing mechanism 8, and the output end of the mixing mechanism 8 is communicated with the rotary joint 4. The water storage tank 6 stores clean water, and the chemical liquid storage tank 7 stores chemical liquid. When the water storage tank 2 needs to be cleaned, the mixing mechanism 8 mixes the clean water and the chemical liquid to obtain cleaning liquid, the cleaning liquid is delivered to the rotary spray head 5 through the support pipe 3, and the rotary spray head 5 sprays the cleaning liquid to the inner wall of the water storage tank 2. Since the rotary spray head 5 has the functions of rotation and revolution, the cleaning of the inside of the water storage tank 2 can be realized in all directions, so that the water storage tank 2 can be cleaned more thoroughly. The mixing mechanism 8 is used for mixing the clean water and the chemical liquid, so that the cleaning liquid can be mixed on demand, the cleaning liquid does not need to be prepared in advance, the cleaning work of large-scale large tanks can be greatly met, the quality of cleaning is ensured, and a large amount of time cost is saved.

[0034] The liquid supply device further comprises a first three-way proportional valve 9, one input end of the first three-way proportional valve 9 is communicated with the water storage tank 6, another input end of the first three-way proportional valve 9 is communicated with the chemical liquid storage tank 7, and the output end of the first three-way proportional valve 9 is communicated with the input end of the mixing mechanism 8. The first three-way proportional valve 9 is connected with a controller, and the controller is used for adjusting the opening of the first three-way proportional valve 9 based on a preset chemical liquid ratio. The opening of the first three-way proportional valve 9 is adjusted by the controller, so that the clean water and the chemical liquid are mixed in a certain ratio to obtain the cleaning liquid, and the cleaning liquid is sprayed to the inner wall of the water storage tank 2 by the rotary spray head 5, so that the accurate proportioning of the clean water and the chemical liquid is realized, the waste of the cleaning liquid is reduced, and the cleaning effect is ensured.

[0035] In the embodiment, the mixing mechanism 8 comprises a mixing pipe 10, the mixing pipe 10 is internally provided with a mixing flow channel 11 in a spiral shape, the mixing pipe 10 is provided with a heating device, and the heating device is connected with the controller. The mixing flow channel 11 is in a spiral shape, so that the clean water and the chemical liquid are mixed conveniently, and the heating device can heat the cleaning liquid in the mixing flow channel 11, so that the cleaning effect of the cleaning liquid is enhanced, and the cleaning efficiency is improved.

[0036] Specifically, the heating device comprises an electric heating pipe and a first temperature sensor, the electric heating pipe and the first temperature sensor are connected with the controller, the electric heating pipe is arranged along the mixing flow channel 11 in a spiral shape, and the first temperature sensor is used for detecting the liquid temperature of the mixing flow channel 11. Preferably, the support pipe 3 is provided with a second temperature sensor, the second temperature sensor is connected with the controller, and the controller is used for dynamically adjusting the heating power of the electric heating pipe based on the difference between the second temperature sensor and the first temperature sensor. The heating power of the electric heating pipe is dynamically adjusted by the controller, so that the cleaning liquid maintains a suitable temperature for flushing the inside of the tank, the debris of the tank bottom and the tank wall is softened, and the water storage tank 2 can be cleaned more thoroughly.

[0037] In the embodiment, the water storage tank 6 is connected with the first three-way proportional valve 9 through a water outlet pipe, the water outlet pipe is provided with a first driving pump 12 and a water outlet control valve 13, and the first driving pump 12 and the water outlet control valve 13 are connected with the controller. The liquid medicine storage tank 7 is connected with the first three-way proportional valve 9 through a liquid medicine outlet pipe, the liquid medicine outlet pipe is provided with a second driving pump 14 and a liquid medicine control valve 15, and the second driving pump 14 and the liquid medicine control valve 15 are connected with the controller. The first driving pump 12 is used for conveying clean water to the first three-way proportional valve 9, and the second driving pump 14 is used for conveying liquid medicine to the first three-way proportional valve 9. By controlling the opening of the first three-way proportional valve 9, the ratio of clean water and liquid medicine can be adjusted.

[0038] The mixing mechanism 8 is connected with the first three-way proportional valve 9 through a mixed liquid pipe, the mixed liquid pipe is provided with a second three-way proportional valve 16, one input end of the second three-way proportional valve 16 is communicated with the output end of the first three-way proportional valve 9, the other input end of the second three-way proportional valve 16 is communicated with the liquid outlet end of the water storage tank 2, and the output end of the second three-way proportional valve 16 is communicated with the input end of the mixing mechanism 8. The second three-way proportional valve 16 is communicated with the controller, and the controller is used for adjusting the opening of the second three-way proportional valve 16 based on a preset liquid medicine ratio. The recovered water of the water storage tank 2 can be recycled, which is used as one input end of the second three-way proportional valve 16, is conveyed to the mixing mechanism 8, and is mixed with the cleaning liquid according to a suitable ratio, and then the inner wall of the water storage tank 2 is cleaned, so that the cleaning cost is reduced.

[0039] In the embodiment, the liquid outlet end of the water storage tank 2 is connected with a purification device, a liquid return pipe is arranged between the liquid output end of the purification device and one input end of the second three-way proportional valve 16, the liquid return pipe is provided with a third driving pump 17 and a liquid return control valve 18, and the third driving pump 17 and the liquid return control valve 18 are connected with the controller. The purification device comprises a purification tank 19, the top of the purification tank 19 is provided with a purification cylinder 20, the inside of the purification cylinder 20 is provided with a ceramic filter element 21, one end of the ceramic filter element 21 is provided with a metal filter screen 22, the other end of the ceramic filter element 21 is provided with an activated carbon filter screen 23, the purification tank 19 can perform sedimentation treatment on the recovered water, and the supernatant enters the purification cylinder 20 for filtration treatment. The recovered water of the water storage tank 2 is purified through the purification device, and then is conveyed to the second three-way proportional valve 16 by the third driving pump 17. The recovered water and the cleaning liquid enter the mixing mechanism 8 according to a suitable ratio, and the mixing mechanism 8 mixes the recovered water and the cleaning liquid and then conveys them to the rotating spray head 5, so that the inner wall of the water storage tank 2 is cleaned, and the recycling of water resources is realized.

[0040] In the embodiment, the rotating driving mechanism comprises a rotating driving motor 24, a driving gear 25 is arranged on an output shaft of the rotating driving motor 24, and a driven gear 26 is arranged on each support pipe 3, each driven gear 26 is arranged around the driving gear 25 and meshes with the driving gear 25. The rotating driving motor 24 is installed on the fixed seat 1, the output shaft of the rotating driving motor 24 is arranged downward, and the driving gear 25 is fixed on the output shaft of the rotating driving motor 24. Four support pipes 3 can be arranged on the fixed seat 1, the four support pipes 3 are arranged in a ring shape, each support pipe 3 is provided with a driven gear 26, and each driven gear 26 meshes with the driving gear 25. When the rotating driving motor 24 drives the driving gear 25 to rotate, the driving gear 25 drives each driven gear 26 to rotate, so that the four support pipes 3 rotate simultaneously, and the inner wall of the water storage tank 2 is fully cleaned.

[0041] In the description of the present application, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood in a broad sense and can be fixed connection, detachable connection or integral; can be mechanical connection or electrical connection; can be directly connected or indirectly connected through an intermediate medium; can be the communication between two elements or the interaction relationship between two elements. Those skilled in the art can understand the specific meaning of the above terms in the present application. In addition, the specific features, structures and the like described in the embodiments are included in at least one embodiment, and those skilled in the art can combine the features of different embodiments without mutual contradiction. The protection scope of the present application is not limited to the above specific embodiments. According to the basic technical concept of the present application, those skilled in the art can easily think of embodiments without creative labor, which are all within the protection scope of the present application.

Claims

1. A water storage tank internal cleaning device, characterized in that, The device includes a spraying device and a supply device. The spraying device includes a fixed base (1) which is set on the top of a water storage tank (2). Multiple support pipes (3) arranged in a ring are rotatably mounted on the fixed base (1). One end of the support pipe (3) extends into the water storage tank (2). A liquid channel is provided inside the support pipe (3). A rotary joint (4) is provided at one end of the support pipe (3). Multiple rotating nozzles (5) facing different directions are provided along the axial direction of the support pipe (3). The rotating nozzles (5) are connected to the rotary joint (4) through the liquid channel. The rotating nozzles (5) can rotate under the action of water pressure. The support pipe (3) is equipped with a rotating drive mechanism, which can drive the rotating nozzles (5) to revolve. The supply device includes a water storage tank (6), a medicine storage tank (7), and a mixing mechanism (8). The water storage tank (6) and the medicine storage tank (7) are both connected to the input end of the mixing mechanism (8). The output end of the mixing mechanism (8) is connected to the rotary joint (4).

2. The internal cleaning equipment for water storage tanks according to claim 1, characterized in that, The liquid supply device also includes a first three-way proportional valve (9), one input end of which is connected to a water storage tank (6), the other input end of which is connected to a medicine storage tank (7), and the output end of which is connected to the input end of a mixing mechanism (8); the first three-way proportional valve (9) is connected to a controller, which is used to adjust the opening degree of the first three-way proportional valve (9) based on a preset medicine ratio.

3. The internal cleaning equipment for water storage tanks according to claim 2, characterized in that, The mixing mechanism (8) includes a mixing tube (10), which has a spiral mixing channel (11) inside. The mixing tube (10) is equipped with a heating device, which is connected to a controller.

4. The internal cleaning equipment for water storage tanks according to claim 3, characterized in that, The heating device includes an electric heating tube and a first temperature sensor. Both the electric heating tube and the first temperature sensor are connected to the controller. The electric heating tube is spirally arranged along the mixing channel (11). The first temperature sensor is used to detect the liquid temperature in the mixing channel (11).

5. The internal cleaning equipment for a water storage tank according to claim 4, characterized in that, The support tube (3) is equipped with a second temperature sensor, which is connected to a controller. The controller is used to dynamically adjust the heating power of the electric heating tube based on the difference between the second temperature sensor and the first temperature sensor.

6. The internal cleaning equipment for a water storage tank according to claim 2, characterized in that, A water outlet pipe is connected between the water storage tank (6) and the first three-way proportional valve (9). The water outlet pipe is equipped with a first drive pump (12) and a water outlet control valve (13). Both the first drive pump (12) and the water outlet control valve (13) are connected to the controller.

7. The internal cleaning equipment for a water storage tank according to claim 6, characterized in that, The liquid storage tank (7) is connected to the first three-way proportional valve (9) by a liquid output pipe. The liquid output pipe is equipped with a second drive pump (14) and a liquid control valve (15). The second drive pump (14) and the liquid control valve (15) are both connected to the controller.

8. The internal cleaning equipment for a water storage tank according to claim 7, characterized in that, A mixing pipe is connected between the mixing mechanism (8) and the first three-way proportional valve (9). A second three-way proportional valve (16) is provided on the mixing pipe. One input end of the second three-way proportional valve (16) is connected to the output end of the first three-way proportional valve (9). The other input end of the second three-way proportional valve (16) is connected to the drain end of the water storage tank (2). The output end of the second three-way proportional valve (16) is connected to the input end of the mixing mechanism (8). The second three-way proportional valve (16) is connected to a controller. The controller is used to adjust the opening degree of the second three-way proportional valve (16) based on the preset drug solution ratio.

9. The internal cleaning equipment for a water storage tank according to claim 8, characterized in that, The drain end of the water storage tank (2) is connected to a purification device. A return pipe is provided between the liquid output end of the purification device and one input end of the second three-way proportional valve (16). A third drive pump (17) and a return control valve (18) are provided on the return pipe. The third drive pump (17) and the return control valve (18) are both connected to the controller. The purification device includes a purification box (19). A purification cylinder (20) is provided on the top of the purification box (19). A ceramic filter element (21) is provided inside the purification cylinder (20). A metal filter screen (22) is provided at one end of the ceramic filter element (21), and an activated carbon filter screen (23) is provided at the other end of the ceramic filter element (21).

10. The internal cleaning equipment for a water storage tank according to claim 1, characterized in that, The rotary drive mechanism includes a rotary drive motor (24), and the output shaft of the rotary drive motor (24) is provided with a drive gear (25). Each support tube (3) is provided with a driven gear (26). Each driven gear (26) is arranged around the drive gear (25) and meshes with the drive gear (25).

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