Storage tank chemical cleaning equipment

Abstract

The utility model discloses chemical cleaning equipment for a storage tank, which relates to the field of chemical cleaning of storage tanks in petroleum and chemical industries and comprises a flow guide pipe, a rotary spray head and a fixed disc used for being connected with a discharge manhole of the storage tank. The rotary spray head at the tail end of the flow guide pipe is suspended in the center of the tank top, the high-pressure cleaning pump is connected with the pump opening connecting pipe flange, a cleaning agent enters the flow guide pipe, the chemical cleaning agent is continuously conveyed to the flow guide pipe along with the high-pressure cleaning pump, and the chemical cleaning agent is sprayed out of the rotary spray head and sprayed to the tank wall of the storage tank. A certain included angle is formed between the spraying hole direction of the rotary nozzle and the radius direction of the rotary nozzle, so that the chemical cleaning agent can provide reverse thrust for the rotary nozzle when being sprayed, the rotary nozzle is driven to rotate at a high speed to uniformly spray and clean the periphery of the tank wall, the cleaning efficiency is high, and the cleaning effect is good.

Description

Technical Field

[0001] The utility model belongs to the field of chemical cleaning of storage tanks in the petroleum and chemical industries, and specifically relates to chemical cleaning equipment for storage tanks. Background Art

[0002] With the rapid development of modern industry, the impact of oil refining, chemical and electric power industries on human life is becoming increasingly greater. In the production and operation of these industries, high requirements are placed on the cleanliness of production and storage equipment. Therefore, chemical cleaning of these equipment is also essential, and there are many methods for chemical cleaning.

[0003] The chemical cleaning of some non-standard storage tanks generally adopts the method of spraying downward from the tank top. This method has certain requirements on the structure of the tank body if it wants to achieve better results. It must be sprayed evenly from the center of the tank top to the surrounding tank walls to achieve better cleaning effects. However, due to various constraints, the discharge manholes or pipe ports of some non-standard storage tanks cannot be designed in the center of the tank top, resulting in chemical cleaning that cannot be sprayed from the center of the tank.

[0004] Therefore, a tank chemical cleaning equipment is designed to remedy this situation. Utility Model Content

[0005] Aiming at the problem that the discharge manhole or connection port of some non-standard storage tanks cannot be designed in the center of the tank top, resulting in that chemical cleaning cannot be performed by spraying from the center of the storage tank, the utility model provides a storage tank chemical cleaning device.

[0006] The utility model solves the technical problem by adopting a solution: a tank chemical cleaning device, comprising a guide pipe, a rotating nozzle and a fixed plate connected to a tank discharge manhole,

[0007] The flow guide pipe is composed of an L-shaped pipe section 1, a horizontal pipe section and an L-shaped pipe section 2, wherein the L-shaped pipe section 1 and the L-shaped pipe section 2 are respectively located at the two ends of the horizontal pipe section, wherein the upper end of the L-shaped pipe section 1 is provided with a pump port flange;

[0008] The lower end of the L-shaped pipe section 2 and the water inlet end of the rotating sprinkler are respectively installed with fastening flanges, a gasket is arranged between the two fastening flanges, and they are connected by fastening bolts;

[0009] The fixing plate is mounted on the L-shaped pipe joint 1 and is located at the lower side of the pump port flange. The fixing plate is detachably mounted on the tank discharge manhole.

[0010] Preferably, N arc-shaped grooves are formed around the outer edge of the fixing plate, and a fixing bolt is disposed in each of the arc-shaped grooves.

[0011] Preferably, an inclined bracing pipe is installed between the L-shaped pipe section 1 and the horizontal pipe section.

[0012] Preferably, the horizontal pipe section includes an adjusting pipe and two short pipe sections, and both ends of the adjusting pipe are respectively connected to the two short pipe sections through water pipe joints.

[0013] Preferably, the regulating pipe is a hard water pipe.

[0014] Preferably, the regulating tube is a corrugated hose.

[0015] Preferably, it also includes a threaded rod and two connecting plates, which are respectively mounted on two short pipe sections. One end of the threaded rod is fixedly connected to the connecting plate on one side, and the other end thereof passes through a reserved hole of the connecting plate on the other side and is threadedly connected with a nut.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. The utility model connects a fixed plate with a manhole or a pipe flange for discharging the storage tank, suspends a rotating nozzle at the end of a guide pipe at the center of the tank top, connects a high-pressure cleaning pump with a flange for taking over the pump port, and allows a cleaning agent to enter the guide pipe. As the high-pressure cleaning pump continuously delivers the chemical cleaning agent to the guide pipe, the chemical cleaning agent is sprayed from the rotating nozzle and sprayed toward the tank wall. The direction of the spray hole of the rotating nozzle is designed to have a certain angle with the radial direction of the rotating nozzle, so that the chemical cleaning agent can provide a reverse thrust for the rotating nozzle when spraying, thereby driving the rotating nozzle to rotate at a high speed to evenly spray and clean the tank wall, with high cleaning efficiency and good cleaning effect.

[0018] 2. The utility model provides an adjustment pipe, which can be adjusted according to the offset distance from the discharge manhole of the storage tank to the center of the tank top, so that the rotating nozzle head is always in the center of the top of the storage tank, achieving a better cleaning effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the three-dimensional structure of the first embodiment of the utility model;

[0020] Figure 2 This is a front view structural diagram of the second embodiment of the utility model;

[0021] Figure 3 This is a front view structural schematic diagram of the third embodiment of the utility model.

[0022] In the figure: 1 guide pipe, 11 horizontal pipe section, 111 adjusting pipe, 112 water pipe joint, 113 short pipe section, 114 nut, 115 threaded rod, 116 connecting plate, 12 L-shaped pipe section 1, 13 L-shaped pipe section 2, 2 diagonal bracing pipe, 31 fixing plate, 32 arc groove, 33 fixing bolt, 4 pump port connecting pipe flange, 5 rotating nozzle, 6 fastening flange. DETAILED DESCRIPTION

[0023] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0024] See also Figure 1-3 , the utility model provides a technical solution for a tank chemical cleaning device:

[0025] Embodiment 1:

[0026] according to Figure 1 As shown, it includes a guide pipe 1, a rotating nozzle 5 and a fixing plate 31 for connecting with a discharge manhole of a storage tank.

[0027] The guide pipe 1 is made of DN50 stainless steel and is used for guiding chemical cleaning agents. The guide pipe 1 is composed of an L-shaped pipe segment 12, a horizontal pipe segment 11 and an L-shaped pipe segment 2 13. The L-shaped pipe segment 12 and the L-shaped pipe segment 2 13 are respectively located at both ends of the horizontal pipe segment 11. The length of the horizontal pipe segment 11 is adjusted according to the offset distance from the discharge manhole of the storage tank to the center of the tank top, so that the rotating nozzle 5 is always in the center of the top of the storage tank.

[0028] An inclined bracing pipe 2 is installed between the L-shaped pipe section 12 and the horizontal pipe section 11, wherein a pump port connecting flange 4 is installed at the upper end of the L-shaped pipe section 12. The pump port connecting flange 4 adopts a DN50 stainless steel flange and is connected to the interface of the high-pressure cleaning pump.

[0029] The lower end of the second L-shaped pipe section 13 and the water inlet end of the rotating sprinkler 5 are respectively installed with fastening flanges 6, a gasket is arranged between the two fastening flanges 6, and the second L-shaped pipe section 13 is connected to the rotating sprinkler 5 by fastening bolts.

[0030] The fixing plate 31 is sleeved on the L-shaped pipe joint 12 and is located at the lower side of the pump port flange 4. N arc grooves 32 are arranged around the outer edge of the fixing plate 31. The design of the arc groove 32 can adjust the fixing bolts 33 according to the position of the mounting bolt hole. A fixing bolt 33 is arranged in each arc groove 32, which is connected to the tank discharge manhole through the fixing bolt 33, so that the fixing plate 31 can be detachably installed on the tank discharge manhole.

[0031] During specific use, the utility model provides a chemical cleaning device for a storage tank. First, the fixed plate 31 is connected to the manhole or the flange of the storage tank discharge pipe, the rotating nozzle 5 at the end of the guide pipe 1 is suspended at the center of the tank top, and then the high-pressure cleaning pump is connected to the pump port flange 4. Finally, the high-pressure cleaning pump is started, and the cleaning agent enters the guide pipe 1. As the high-pressure cleaning pump continuously transports the chemical cleaning agent to the guide pipe 1, the chemical cleaning agent is sprayed from the rotating nozzle 5 and sprayed onto the tank wall. The direction of the spray hole of the rotating nozzle 5 is designed to have a certain angle with the radial direction of the rotating nozzle 5, so that the chemical cleaning agent can provide a reverse thrust for the rotating nozzle 5 when spraying, thereby driving the rotating nozzle 5 to rotate at a high speed to evenly spray and clean the tank wall.

[0032] Embodiment 2:

[0033] Based on the first embodiment, the differences are as follows: Figure 2 As shown, the horizontal pipe section 11 includes an adjusting pipe 111 and two short pipe sections 113. In this embodiment, the adjusting pipe 111 is a hard water pipe. The two ends of the adjusting pipe 111 are respectively connected to the two short pipe sections 113 through water pipe joints 112. By disassembling the water pipe joints 112, the adjusting pipe 111 can be separated from the short pipe sections 113, and then the adjusting pipes 111 of different lengths can be replaced according to the offset distance from the discharge manhole of the storage tank to the center of the tank top, so that the rotating nozzle 5 is always in the center of the top of the storage tank, so as to achieve a better cleaning effect.

[0034] Embodiment three:

[0035] Based on the second embodiment, the differences are as follows: Figure 3 As shown, in this embodiment, the regulating tube 111 is a corrugated hose. The design of the corrugated hose can adjust the positions of the two short pipe sections 113 while ensuring water supply, so that the rotating nozzle 5 is always in the center of the top of the storage tank, achieving a better cleaning effect.

[0036] It also includes a threaded rod 115 and two connecting plates 116. The two connecting plates 116 are respectively mounted on the two short pipe sections 113. One end of the threaded rod 115 is fixedly connected to the connecting plate 116 on one side, and the other end thereof passes through the reserved hole of the connecting plate 116 on the other side and is threadedly connected with a nut 114. By screwing the nut 114, the position of the left short pipe section 113 can be adjusted. At the same time, the threaded rod 115 connects and supports the two connecting plates 116 so that the two short pipe sections 113 are horizontal.

Claims

1. A tank chemical cleaning device, characterized in that: It includes a guide pipe, a rotating nozzle and a fixing plate for connecting with the tank discharge manhole. The flow guide pipe is composed of an L-shaped pipe section 1, a horizontal pipe section and an L-shaped pipe section 2, wherein the L-shaped pipe section 1 and the L-shaped pipe section 2 are respectively located at the two ends of the horizontal pipe section, wherein the upper end of the L-shaped pipe section 1 is provided with a pump port flange; The lower end of the L-shaped pipe section 2 and the water inlet end of the rotating sprinkler are respectively installed with fastening flanges, a gasket is arranged between the two fastening flanges, and they are connected by fastening bolts; The fixing plate is mounted on the L-shaped pipe joint 1 and is located at the lower side of the pump port flange. The fixing plate is detachably mounted on the tank discharge manhole.

2. The tank chemical cleaning equipment according to claim 1, characterized in that: N arc-shaped grooves are formed around the outer edge of the fixing plate, and a fixing bolt is arranged in each of the arc-shaped grooves.

3. The tank chemical cleaning equipment according to claim 1, characterized in that: An inclined bracing pipe is installed between the L-shaped pipe section 1 and the horizontal pipe section.

4. The tank chemical cleaning equipment according to any one of claims 1 to 3, characterized in that: The horizontal pipe section comprises an adjusting pipe and two short pipe sections, and two ends of the adjusting pipe are respectively connected to the two short pipe sections through water pipe joints.

5. The tank chemical cleaning equipment according to claim 4, characterized in that: The regulating pipe is a hard water pipe.

6. The tank chemical cleaning equipment according to claim 4, characterized in that: The regulating tube is a corrugated hose.

7. The tank chemical cleaning equipment according to claim 6, characterized in that: It also includes a threaded rod and two connecting plates, which are respectively mounted on two short pipe sections. One end of the threaded rod is fixedly connected to the connecting plate on one side, and the other end of the threaded rod passes through a reserved hole of the connecting plate on the other side and is threadedly connected with a nut.

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