Rotary spray head for spraying chemical cleaning of large storage tank

Abstract

The utility model discloses a rotary nozzle for spraying chemical cleaning of a large storage tank, which comprises an oil tank, one side of the oil tank is provided with a cleaning mechanism, the cleaning mechanism comprises a material box, the bottom of the material box is communicated with a material pumping pipe, one side of the material pumping pipe is communicated with a pump machine, the other side of the material pumping pipe is communicated with a connecting pipe, and the connecting pipe is communicated with the oil tank. And one side of the connecting pipe is connected with the oil tank in a sleeving mode, the top of the pump machine communicates with a discharging pipe, one side of the discharging pipe is movably connected with a movable pipe, and the bottom of the movable pipe communicates with a spray head. According to the rotary spray head for spraying chemical cleaning of the large storage tank, by arranging the cleaning mechanism, starting a pump machine, pumping out cleaning liquid in an inner cavity of the material box through a material pumping pipe, then spraying the cleaning liquid to the inner wall of the oil tank through a discharging pipe, a movable pipe and a spray head, meanwhile, starting a first motor, and through cooperation of a belt wheel and a belt, the first motor drives the movable pipe to rotate; therefore, the cleaning liquid is uniformly distributed.

Description

Technical Field

[0001] The utility model relates to the technical field of storage tank cleaning, in particular to a rotary nozzle for spraying chemical cleaning of a large storage tank. Background Art

[0002] Methanol products have very high requirements on the cleanliness of the internal space of storage and transportation facilities. It is difficult to effectively remove them by conventional cleaning techniques. Therefore, chemical cleaning must be carried out to achieve the required cleanliness. If the inner walls of containers and pipelines that come into contact with methanol products are not thoroughly derusted, rust-proofed and treated with anti-corrosion, the purity and color index of methanol products will be affected, and ultimately the methanol products will be unqualified. This will cause great economic losses to the bidding units and damage their corporate reputation. The early use of the 10,000m3 methanol storage tanks in service will inevitably lead to the generation of rust, oil stains, impurities, etc. If these factors that affect the quality of methanol products are not thoroughly removed, it will cause great losses to the company.

[0003] According to the patent document: CN105600205B, a steel welded vertical large oil tank is disclosed, which has a tank bottom, a tank wall and a tank top, wherein a transition connection ring is provided between the tank bottom and the tank wall, wherein the transition connection ring has a bottom annular section, an arc-shaped transition section and a vertical cylindrical section, wherein the tank bottom is welded to the bottom annular section of the transition connection ring, wherein the tank wall is welded to the vertical cylindrical section of the transition connection ring, and wherein the tank top can be a fixed top or an external floating top; the advantages of the present invention are as follows: the existing T-joint between the tank wall and the tank bottom of the large oil tank and the large angle weld at the joint are eliminated, the main dangerous points of the entire oil tank are eliminated, and the safe operation of the large oil tank is guaranteed: first, the transition part between the tank wall and the tank bottom is not prone to low-cycle fatigue damage; second, the connecting weld at the transition part between the tank wall and the tank bottom is not prone to tearing damage; and third, the seismic performance of the large oil tank is greatly improved, and the seismic performance of the large oil tank is good.

[0004] At present, in the daily cleaning process of traditional large storage tanks, the staff rises to the top of the storage tank and then uses a handheld flushing nozzle to flush the inner wall of the storage tank. At the same time, it is inconvenient to use the cleaning fluid during the cleaning process, resulting in the recycling of the cleaning fluid. It is not convenient for the next use and cannot meet the use requirements. Utility Model Content

[0005] The purpose of the utility model is to provide a rotary nozzle for spraying chemical cleaning of large storage tanks, so as to solve the problem raised in the above-mentioned background technology that in the daily cleaning process of the current traditional large storage tanks, the staff rise to the top of the storage tank, and then hold the flushing nozzle to flush the inner wall of the storage tank, which is inconvenient during the cleaning process, resulting in the recovery of the cleaning liquid. It is not convenient to use it next time and cannot meet the use requirements.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a rotary nozzle for spraying chemical cleaning of large storage tanks, comprising an oil tank, a cleaning mechanism is arranged on one side of the oil tank, the cleaning mechanism comprises a material box, the bottom of the material box is connected with a pumping pipe, one side of the pumping pipe is connected with a pump, the other side of the pumping pipe is connected with a connecting pipe, one side of the connecting pipe is sleeved with the oil tank, the top of the pump is connected with a discharge pipe, one side of the discharge pipe is movably connected with a movable pipe, the bottom of the movable pipe is connected with a nozzle, a first motor is arranged on the left side of the top of the oil tank, the output end of the first motor and the surface of the movable pipe are fixedly connected with a pulley, the surface of the pulley is sleeved with a belt, the other side of the discharge pipe is connected with a fixed pipe, one side of the fixed pipe is connected with the material box.

[0007] Preferably, a filtering mechanism is provided on one side of the material box, and the filtering mechanism includes a rectangular plate, one side of the rectangular plate is fixedly connected to a second motor, the output end of the second motor is fixedly connected to a screw rod, the surface of the screw rod is threadedly connected to a threaded sleeve, the back side of the threaded sleeve is fixedly connected to a brush rod, and the bottom of the brush rod contacts the filter plate.

[0008] Preferably, the front side of the extraction pipe is movably connected to a first control valve, and the front side of the connecting pipe is movably connected to a second control valve.

[0009] Preferably, a support plate is fixedly connected to the bottom of the first motor, and one side of the support plate is fixedly connected to the oil tank.

[0010] Preferably, a sealing ring is fixedly connected to the top of the inner wall of the movable tube, and the inner surface of the sealing ring is in contact with the discharge pipe.

[0011] Preferably, the front side of the discharge pipe is movably connected to a first regulating valve, and the front side of the fixed pipe is movably connected to a second regulating valve.

[0012] Preferably, partitions are fixedly connected to both sides of the bottom of the filter plate, and the bottom of the partition is fixedly connected to the material box.

[0013] Preferably, the front side of the top of the material box is connected to a material injection pipe, and both sides of the material box are movably connected to sealing doors.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. By setting up a cleaning mechanism and starting the pump, the cleaning liquid in the inner cavity of the material box is extracted through the extraction pipe, and then the cleaning liquid is sprayed onto the inner wall of the oil tank through the discharge pipe, the movable pipe and the nozzle. At the same time, the first motor is started, and the first motor drives the movable pipe to rotate through the cooperation of the pulley and the belt, and then the nozzle rotates, so that the cleaning liquid is evenly distributed. After the cleaning liquid at the bottom of the inner cavity of the oil tank rises to a certain height, the cleaning liquid in the inner cavity of the oil tank is extracted through the connecting pipe and then discharged into the discharge pipe. In this way, the cyclic cleaning work is carried out. After the cleaning is completed, the cleaning liquid at the bottom of the inner cavity of the oil tank is discharged into the inner cavity of the material box through the fixed pipe, and the cleaning work is completed.

[0016] 2. By setting up a filtering mechanism, the cleaning liquid discharged into the inner cavity of the material box will be filtered by the filter plate, so that the impurities are separated from the cleaning liquid. At the same time, the second motor is started, and the screw rod is driven by the second motor to rotate, and the screw rod drives the threaded sleeve to move, and the threaded sleeve drives the brush rod to move, brushing the top of the filter plate, so that the impurities are moved to both sides of the inner cavity of the material box to avoid clogging of the filter plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 It is a three-dimensional structural schematic diagram of the utility model;

[0019] Figure 3 It is a partial structural schematic diagram of the filtering mechanism of the utility model;

[0020] Figure 4 It is a schematic diagram of the partial structure of the cleaning mechanism of the utility model.

[0021] In the figure: 1. oil tank; 2. cleaning mechanism; 201. material box; 202. material extraction pipe; 203. pump; 204. connecting pipe; 205. first control valve; 206. second control valve; 207. discharge pipe; 208. movable pipe; 209. nozzle; 210. first motor; 211. pulley; 212. belt; 213. fixed pipe; 214. first regulating valve; 215. second regulating valve; 3. filtering mechanism; 301. rectangular plate; 302. second motor; 303. screw rod; 304. threaded sleeve; 305. brush rod; 306. filter plate; 307. partition. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1 , Figure 2 , Figure 3 and Figure 4 The utility model provides a technical solution: a rotary nozzle for spraying chemical cleaning of a large storage tank, comprising an oil tank 1, a cleaning mechanism 2 is arranged on one side of the oil tank 1, the cleaning mechanism 2 comprises a material box 201, a material extraction pipe 202 is connected to the bottom of the material box 201, a pump 203 is connected to one side of the material extraction pipe 202, a connecting pipe 204 is connected to the other side of the material extraction pipe 202, one side of the connecting pipe 204 is sleeved with the oil tank 1, a discharge pipe 207 is connected to the top of the pump 203, a movable pipe 208 is movably connected to one side of the discharge pipe 207, a nozzle 209 is connected to the bottom of the movable pipe 208, a first motor 210 is arranged on the left side of the top of the oil tank 1, and a first motor 210 is arranged on the left side of the top of the oil tank 1. The output end of the motor 210 and the surface of the movable tube 208 are fixedly connected with a pulley 211, and the surface of the pulley 211 is sleeved with a belt 212. The other side of the discharge pipe 207 is connected with a fixed pipe 213, and one side of the fixed pipe 213 is connected with the material box 201. By setting the cleaning mechanism 2, the pump 203 is started, and the cleaning liquid in the inner cavity of the material box 201 is extracted through the extraction pipe 202, and then the cleaning liquid is sprayed onto the inner wall of the oil tank 1 through the discharge pipe 207, the movable tube 208 and the nozzle 209. At the same time, the first motor 210 is started, and the first motor 210 drives the movable tube 208 to rotate through the cooperation of the pulley 211 and the belt 212, so that the first motor 210 drives the movable tube 208 to rotate, thereby The nozzle 209 rotates to make the cleaning liquid evenly distributed. After the cleaning liquid at the bottom of the inner cavity of the oil tank 1 rises to a certain height, the cleaning liquid in the inner cavity of the oil tank 1 is extracted through the connecting pipe 204 and then discharged into the discharge pipe 207, so as to perform a cyclic cleaning work. After the cleaning is completed, the cleaning liquid at the bottom of the inner cavity of the oil tank 1 is discharged into the inner cavity of the material box 201 through the fixed pipe 213, and the cleaning work is completed; the front of the extraction pipe 202 is movably connected to the first control valve 205, and the front of the connecting pipe 204 is movably connected to the second control valve 206, which is convenient for adjusting the pumping direction, thereby facilitating the subsequent cyclic cleaning and cleaning liquid recovery work; the bottom of the first motor 210 A support plate is fixedly connected, and one side of the support plate is fixedly connected to the oil tank 1. By setting the support plate, the operation of the first motor 210 is stabilized and the first motor 210 is supported; a sealing ring is fixedly connected to the top of the inner wall of the movable tube 208, and the inner surface of the sealing ring is in contact with the discharge pipe 207. By setting the sealing ring, a good sealing effect is achieved to prevent the cleaning liquid from overflowing; the front of the discharge pipe 207 is movably connected to the first regulating valve 214, and the front of the fixed tube 213 is movably connected to the second regulating valve 215. By setting the first regulating valve 214 and the second regulating valve 215, the drainage direction can be easily adjusted, thereby facilitating the recovery of the cleaning liquid into the material box 201.

[0024] See also Figure 1 , Figure 2 and Figure 3 A filter mechanism 3 is provided on one side of the material box 201. The filter mechanism 3 includes a rectangular plate 301. A second motor 302 is fixedly connected to one side of the rectangular plate 301. A screw rod 303 is fixedly connected to the output end of the second motor 302. A threaded sleeve 304 is threadedly connected to the surface of the screw rod 303. A brush rod 305 is fixedly connected to the back of the threaded sleeve 304. The bottom of the brush rod 305 contacts a filter plate 306. By setting the filter mechanism 3, the cleaning liquid discharged into the inner cavity of the material box 201 will be filtered by the filter plate 306, so that impurities are separated from the cleaning liquid. At the same time, the second motor 302 is started, and the screw rod 303 is driven to rotate by the second motor 302. 303 drives the threaded sleeve 304 to move, and the threaded sleeve 304 drives the brush rod 305 to move, brushing the top of the filter plate 306, so that the impurities move to the two sides of the inner cavity of the material box 201, avoiding the blockage of the filter plate 306; both sides of the bottom of the filter plate 306 are fixedly connected with partitions 307, and the bottom of the partition 307 is fixedly connected to the material box 201. By setting the partition 307, the operation of the filter plate 306 is stabilized and the filter plate 306 is supported; the front side of the top of the material box 201 is connected to the injection pipe, and both sides of the material box 201 are movably connected with sealing doors. By setting the sealing doors, it is convenient to remove impurities and avoid the accumulation of impurities in the inner cavity of the material box 201.

[0025] Working principle: by setting the cleaning mechanism 2, starting the pump 203, extracting the cleaning liquid in the inner cavity of the material box 201 through the extraction pipe 202, and then spraying the cleaning liquid to the inner wall of the oil tank 1 through the discharge pipe 207, the movable pipe 208 and the nozzle 209, and starting the first motor 210 at the same time, through the cooperation of the pulley 211 and the belt 212, the first motor 210 drives the movable pipe 208 to rotate, and then the nozzle 209 rotates, so that the cleaning liquid is evenly distributed. After the cleaning liquid at the bottom of the inner cavity of the oil tank 1 rises to a certain height, the cleaning liquid in the inner cavity of the oil tank 1 is extracted through the connecting pipe 204 and then discharged into the discharge pipe 207, so as to perform the cyclic cleaning work. After the cleaning is completed, the cleaning liquid at the bottom of the inner cavity of the oil tank 1 is discharged to the inner cavity of the material box 201 through the fixed pipe 213, and the cleaning work is completed;

[0026] By setting up the filtering mechanism 3, the cleaning liquid discharged into the inner cavity of the material box 201 will be filtered by the filter plate 306, so that the impurities are separated from the cleaning liquid. At the same time, the second motor 302 is started, and the second motor 302 drives the screw rod 303 to rotate, the screw rod 303 drives the threaded sleeve 304 to move, and the threaded sleeve 304 drives the brush rod 305 to move, brushing the top of the filter plate 306, so that the impurities are moved to both sides of the inner cavity of the material box 201, avoiding clogging of the filter plate 306.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A rotary nozzle for spraying chemical cleaning of large storage tanks, comprising an oil tank (1), characterized in that: A cleaning mechanism (2) is provided on one side of the oil tank (1), and the cleaning mechanism (2) comprises a material box (201), the bottom of the material box (201) is connected to a material extraction pipe (202), one side of the material extraction pipe (202) is connected to a pump (203), the other side of the material extraction pipe (202) is connected to a connecting pipe (204), one side of the connecting pipe (204) is sleeved with the oil tank (1), the top of the pump (203) is connected to a discharge pipe (207), and one side of the discharge pipe (207) is movably connected to a pump (203). A movable pipe (208) is connected, the bottom of the movable pipe (208) is connected to a nozzle (209), a first motor (210) is arranged on the left side of the top of the oil tank (1), the output end of the first motor (210) and the surface of the movable pipe (208) are fixedly connected with a pulley (211), the surface of the pulley (211) is sleeved with a belt (212), the other side of the discharge pipe (207) is connected to a fixed pipe (213), and one side of the fixed pipe (213) is connected to the material box (201).

2. A rotary nozzle for spraying chemical cleaning of large storage tanks according to claim 1, characterized in that: A filtering mechanism (3) is provided on one side of the material box (201), and the filtering mechanism (3) comprises a rectangular plate (301), a second motor (302) is fixedly connected to one side of the rectangular plate (301), a screw rod (303) is fixedly connected to the output end of the second motor (302), a threaded sleeve (304) is threadedly connected to the surface of the screw rod (303), a brush rod (305) is fixedly connected to the back side of the threaded sleeve (304), and the bottom of the brush rod (305) contacts the filter plate (306).

3. The rotary nozzle for spraying chemical cleaning of large storage tanks according to claim 1 is characterized by: The front side of the extraction pipe (202) is movably connected to a first control valve (205), and the front side of the connecting pipe (204) is movably connected to a second control valve (206).

4. A rotary nozzle for spraying chemical cleaning of large storage tanks according to claim 1, characterized in that: A support plate is fixedly connected to the bottom of the first motor (210), and one side of the support plate is fixedly connected to the oil tank (1).

5. The rotary nozzle for spraying chemical cleaning of large storage tanks according to claim 1 is characterized by: A sealing ring is fixedly connected to the top of the inner wall of the movable tube (208), and the inner surface of the sealing ring is in contact with the discharge tube (207).

6. A rotary nozzle for spraying chemical cleaning of large storage tanks according to claim 1, characterized in that: The front side of the discharge pipe (207) is movably connected to a first regulating valve (214), and the front side of the fixed pipe (213) is movably connected to a second regulating valve (215).

7. A rotary nozzle for spraying chemical cleaning of large storage tanks according to claim 2, characterized in that: Both sides of the bottom of the filter plate (306) are fixedly connected with partitions (307), and the bottom of the partition (307) is fixedly connected to the material box (201).

8. The rotary nozzle for spraying chemical cleaning of large storage tanks according to claim 1 is characterized by: The front side of the top of the material box (201) is connected to a material injection pipe, and both sides of the material box (201) are movably connected to sealing doors.

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