In-tank cleaning mechanism for cold storage tank

Abstract

The utility model discloses an in-tank cleaning mechanism for a cold storage tank, which belongs to the technical field of cold storage tanks and is used for solving the problems that the efficiency is low and dangers are easy to occur or the cold storage tank is easy to damage due to the fact that a high-pressure water pipe needs to be manually held to wash the inner wall of the existing cold storage tank. Comprising a tank body, an inner container is arranged in the tank body, a cleaning mechanism is arranged in the inner container, the cleaning mechanism comprises a threaded rod, the threaded rod is rotatably installed in the inner container, the circumferential surface of the right end of the threaded rod is in threaded connection with a moving plate, and an annular water spraying pipe is arranged on the surface of the moving plate; through the arranged cleaning mechanism, when the inner container needs to be cleaned, an external water pipe is directly connected with an annular water spraying pipe of the cleaning mechanism, then the annular water spraying pipe horizontally moves in the inner container, the inner container is cleaned, operation is easy and fast, manual cleaning work of workers is not needed, and cleaning is more convenient.

Description

Technical Field

[0001] The utility model belongs to the technical field of cold storage tanks, and in particular relates to an in-tank cleaning mechanism for a cold storage tank. Background Art

[0002] Cold storage tanks, also known as cryogenic storage tanks, are vertical or horizontal double-layer vacuum insulated storage tanks used to store liquid oxygen, nitrogen, argon, carbon dioxide and other media. The inner tank is made of austenitic stainless steel; the outer container material is Q235-B, Q245R or 345R according to national regulations based on different user regions. The inner and outer container interlayers are filled with insulating materials such as pearl sand or aluminum foil, thermal insulation cotton and are vacuumed.

[0003] In the prior art, when it is necessary to clean the inside of a cold storage tank, usually a person manually enters the cold storage tank and uses a high-pressure water pipe to flush the inner wall of the cold storage tank. This method has high workload and low efficiency for the staff, and the careless use of the high-pressure water pipe may easily cause accidental injury to the staff or the cold storage tank. Therefore, we propose an internal cleaning mechanism for a cold storage tank. Utility Model Content

[0004] The utility model aims to provide a tank cleaning mechanism for a cold storage tank to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an in-tank cleaning mechanism for a cold storage tank, comprising a tank body, an inner liner is arranged inside the tank body, a cleaning mechanism is arranged inside the inner liner, the cleaning mechanism comprises a threaded rod, and the threaded rod is rotatably installed inside the inner liner, a movable plate is threadedly connected to the circumferential surface of the right end of the threaded rod, an annular water spray pipe is arranged on the surface of the movable plate, and a water inlet is opened at the upper end of the annular water spray pipe.

[0006] Preferably, an annular groove is provided inside the annular water spray pipe, the water inlet is connected to the annular groove, a high-pressure nozzle is provided on the outer surface of the annular water spray pipe, and a plurality of high-pressure nozzles are provided in a circular array, and the plurality of high-pressure nozzles are connected to the annular groove.

[0007] Preferably, a servo motor is provided on the right outer surface of the tank body through a motor box, and a power output end of the servo motor is transmission-connected to the right end of the threaded rod through a coupling.

[0008] Preferably, a fixing rod is provided inside the inner container, and the rear end of the movable plate is sleeved on the circumferential surface of the fixing rod.

[0009] Preferably, a condenser is provided inside the inner tank, the condenser is arranged above the threaded rod, and the condenser is located inside the inner circle of the annular water spray pipe.

[0010] Preferably, an inlet is provided on the right side of the upper end of the tank body, and an outlet is provided on the left side of the lower end of the tank body, and both the inlet and the outlet are connected to the interior of the liner.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The cold storage tank uses an in-tank cleaning mechanism. Through the provided cleaning mechanism, when the inner tank needs to be cleaned, the external water pipe is directly connected to the annular water spray pipe of the cleaning mechanism, and then the annular water spray pipe moves horizontally inside the inner tank to clean the inner tank. The operation is simple and quick, and there is no need for manual cleaning by staff, so cleaning is more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0014] Figure 2 It is a front cutaway perspective view of the utility model;

[0015] Figure 3 It is a three-dimensional structural schematic diagram of the cleaning mechanism of the utility model;

[0016] Figure 4 It is a top-sectional stereoscopic view of the utility model.

[0017] In the figure: 1. tank body; 2. cleaning mechanism; 201. servo motor; 202. threaded rod; 203. moving plate; 204. annular water spray pipe; 205. high-pressure nozzle; 206. fixed rod; 207. water inlet; 3. inlet; 4. outlet; 5. condenser; 6. annular groove; 7. liner. DETAILED DESCRIPTION

[0018] 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.

[0019] See also Figure 1 - Figure 4The utility model provides an in-tank cleaning mechanism for a cold storage tank, comprising a tank body 1, an inner tank 7 is arranged inside the tank body 1, and a cleaning mechanism 2 is arranged inside the inner tank 7. The setting of the cleaning mechanism 2 can clean the inside of the inner tank 7 through the cleaning mechanism 2, without manually entering the tank body 1 or using other additional tools. The operation is simple and fast, and the use is more convenient. The cleaning mechanism 2 comprises a threaded rod 202, and the threaded rod 202 is rotatably installed inside the inner tank 7. A servo motor 201 is arranged on the right outer surface of the tank body 1 through a motor box. The power output end of the servo motor 201 is transmission-connected to the right end of the threaded rod 202 through a coupling. The setting of the servo motor 201 provides a power source for the threaded rod 202, so that the threaded rod 202 can rotate smoothly, thereby driving the moving plate 203 can smoothly move horizontally left and right. The circumferential surface of the right end of the threaded rod 202 is threadedly connected with a movable plate 203. A fixed rod 206 is arranged inside the inner tank 7. The rear end of the movable plate 203 is sleeved on the circumferential surface of the fixed rod 206. The setting of the fixed rod 206 can limit the movable plate 203, so that when the threaded rod 202 rotates, the movable plate 203 can smoothly move horizontally left and right. An annular water spray pipe 204 is arranged on the surface of the movable plate 203. A water inlet 207 is opened at the upper end of the annular water spray pipe 204. The setting of the water inlet 207 allows the inlet 3 to be opened when the inner wall of the inner tank 7 needs to be cleaned, and the external water pipe is connected to the water inlet 207. Clean water can flow into the interior of the annular water spray pipe 204 through the water inlet 207, which is convenient for subsequent cleaning work.

[0020] In the present embodiment, preferably, an inlet 3 is provided on the right side of the upper end of the tank body 1. The setting of the inlet 3 can inject the gas to be stored into the interior of the tank body 1 through the inlet 3, thereby facilitating the storage of the gas. An outlet 4 is provided on the left end of the lower end of the tank body 1. Both the inlet 3 and the outlet 4 are connected to the interior of the inner tank 7. The setting of the outlet 4 facilitates the discharge of the gas inside the tank body 1 through the outlet 4, thereby facilitating the use of the gas. A condenser 5 is provided inside the inner tank 7. The setting of the condenser 5 can cool down and cold store the gas, thereby facilitating the safe storage of the gas. The condenser 5 is provided above the threaded rod 202, and the condenser 5 is located inside the inner circle of the annular water spray pipe 204. The setting of the condenser 5 inside the inner circle of the annular water spray pipe 204 can prevent the movable plate 203 and the annular water spray pipe 204 from colliding and being damaged with the condenser 5 when the inner tank 7 is cleaned and the annular water spray pipe 204 moves horizontally left and right.

[0021] In the present embodiment, preferably, an annular groove 6 is opened inside the annular water spray pipe 204, the water inlet 207 is connected with the annular groove 6, and a high-pressure nozzle 205 is provided on the outer surface of the annular water spray pipe 204, and a plurality of high-pressure nozzles 205 are provided in a circular array, and the plurality of high-pressure nozzles 205 are connected with the annular groove 6. The setting of the annular groove 6 can make the water entering at the water inlet 207 smoothly spread inside the annular groove 6, and then smoothly spray out at the high-pressure nozzle 205, so as to realize the cleaning of the inner tank 7.

[0022] The working principle and use process of the utility model are as follows: when the gas inside the tank body 1 is used up and the inner wall of the inner tank 7 needs to be cleaned, first the inlet 3 is opened, then the external water pipe is connected to the water inlet 207, and then the external water source enters the interior of the annular water spray pipe 204 through the water inlet 207, and then the servo motor 201 is started, and the servo motor 201 drives the threaded rod 202 to rotate. Under the limitation of the fixed rod 206, the threaded rod 202 rotates to make the movable plate 203 move horizontally left and right, and the movable plate 203 moves horizontally left and right to drive the annular water spray pipe 204 to move horizontally left and right. At this time, the clean water inside the annular water spray pipe 204 is sprayed out through the high-pressure nozzle 205, so that the clean water is sprayed on the inner wall of the inner tank 7 to rinse the inner wall.

[0023] 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 tank cleaning mechanism for a cold storage tank, comprising a tank body (1), characterized in that: An inner liner (7) is arranged inside the tank body (1), and a cleaning mechanism (2) is arranged inside the inner liner (7). The cleaning mechanism (2) comprises a threaded rod (202), and the threaded rod (202) is rotatably mounted inside the inner liner (7). A movable plate (203) is threadedly connected to the circumferential surface of the right end of the threaded rod (202), and an annular water spray pipe (204) is arranged on the surface of the movable plate (203). A water inlet (207) is provided at the upper end of the annular water spray pipe (204). A condenser (5) is arranged inside the inner liner (7), and the condenser (5) is arranged above the threaded rod (202), and the condenser (5) is located inside the inner circle of the annular water spray pipe (204).

2. The tank cleaning mechanism for a cold storage tank according to claim 1, characterized in that: An annular groove (6) is provided inside the annular water spray pipe (204), the water inlet (207) is connected to the annular groove (6), and a high-pressure nozzle (205) is provided on the outer surface of the annular water spray pipe (204), and a plurality of high-pressure nozzles (205) are arranged in a circular array, and the plurality of high-pressure nozzles (205) are connected to the annular groove (6).

3. The tank cleaning mechanism for a cold storage tank according to claim 1, characterized in that: A servo motor (201) is provided on the right outer surface of the tank body (1) via a motor box, and a power output end of the servo motor (201) is transmission-connected to the right end of the threaded rod (202) via a coupling.

4. The tank cleaning mechanism for a cold storage tank according to claim 1, characterized in that: A fixing rod (206) is arranged inside the inner container (7), and the rear end of the movable plate (203) is sleeved on the circumferential surface of the fixing rod (206).

5. The tank cleaning mechanism for a cold storage tank according to claim 1, characterized in that: An inlet (3) is provided on the right side of the upper end of the tank body (1), and an outlet (4) is provided on the left side of the lower end of the tank body (1), and both the inlet (3) and the outlet (4) are connected to the interior of the inner container (7).

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