CN115716074B - Cleaning device and method for oil pipeline static eliminating pipe in non-dismantling state - Google Patents

Cleaning device and method for oil pipeline static eliminating pipe in non-dismantling state Download PDF

Info

Publication number
CN115716074B
CN115716074B CN202211536321.4A CN202211536321A CN115716074B CN 115716074 B CN115716074 B CN 115716074B CN 202211536321 A CN202211536321 A CN 202211536321A CN 115716074 B CN115716074 B CN 115716074B
Authority
CN
China
Prior art keywords
cylindrical
telescopic
static eliminating
cleaning
pipeline
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202211536321.4A
Other languages
Chinese (zh)
Other versions
CN115716074A (en
Inventor
王如意
臧国驹
刘旭
郁梓涵
李春梅
何缘缘
赵泽萱
周胜男
付瑶瑶
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhan University of Technology WUT
Original Assignee
Wuhan University of Technology WUT
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wuhan University of Technology WUT filed Critical Wuhan University of Technology WUT
Priority to CN202211536321.4A priority Critical patent/CN115716074B/en
Publication of CN115716074A publication Critical patent/CN115716074A/en
Application granted granted Critical
Publication of CN115716074B publication Critical patent/CN115716074B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Cleaning In General (AREA)

Abstract

The invention discloses a cleaning device and a cleaning method for an oil pipeline static eliminating pipe in a non-dismantling state, wherein the cleaning device comprises a connecting pipeline, and an arc-shaped opening is formed in the connecting pipeline; the arc-shaped sealing door is connected to the outer wall of the connecting pipeline in a sliding manner; the mechanical storage device is connected to the outer wall of the connecting pipeline; the fixed end of the first telescopic component is connected with one side, away from the connecting pipeline, of the inside of the mechanical storage device; the second telescopic component is connected to one end, close to the connecting pipeline, of the first telescopic component; the rotating mechanism is connected to one end, close to the static eliminating pipe, of the second telescopic component, and the cylindrical scale sucking disc is connected with a rotating shaft of the rotating mechanism; the cylindrical cleaning brush is sleeved outside a connecting shaft; and the controller is connected with the first driving device, the first telescopic assembly, the second telescopic assembly and the rotating assembly.

Description

Cleaning device and method for oil pipeline static eliminating pipe in non-dismantling state
Technical Field
The invention relates to the field of cleaning of petroleum static eliminating pipelines, in particular to a cleaning device and a cleaning method for a static eliminating pipe of an oil pipeline in a non-dismantling state.
Background
With the continuous progress of technology, the cleanliness requirements of oil products are higher and higher, and especially under special transportation conditions, static electricity in the oil products needs to be eliminated. In order to ensure the static eliminating efficiency of the petroleum static eliminating pipe, the inside of the static eliminating pipe needs to be cleaned regularly.
The static eliminating pipe is usually connected between two sections of oil pipelines, and in order to clean the inside of the static eliminating pipe, the static eliminating pipe is detached from the oil pipelines, and then cleaned manually by using cleaning liquid. The static eliminating pipe is required to be detached by the cleaning method, so that the workload and time cost of workers are increased, and the cleaning efficiency is reduced; and cleaning liquid is adopted to clean the oil product, so that the cleaning liquid possibly remains in the static eliminating pipe, pollutes the transported oil product, and is not suitable for transporting the oil product with higher requirements on cleanliness.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a cleaning device and a cleaning method for an oil pipeline static eliminating pipe in a non-dismantling state, which are used for cleaning the static eliminating pipe in the non-dismantling state, improving the convenience and the efficiency of cleaning the static eliminating pipe and reducing the workload and the time cost of workers.
According to one aspect of the present invention, there is provided a cleaning device for an oil pipeline static eliminating pipe in a non-dismantling state, comprising:
the connecting pipeline is characterized in that one port of the connecting pipeline is communicated with the port of the static eliminating pipe, and the other port of the connecting pipeline is communicated with the port of the oil pipeline; the connecting pipeline is provided with an arc-shaped opening;
the cambered sealing door is connected to the outer wall of the connecting pipeline in a sliding manner and is matched with the cambered opening; the cambered surface-shaped sealing door is connected with a first driving device, and the first driving device drives the cambered surface-shaped sealing door to open or close;
a mechanical storage device connected to the outer wall of the connecting pipe; the interior of the mechanical storage device is communicated with the interior of the connecting pipeline through the cambered surface-shaped opening;
the fixed end of the first telescopic component is connected with one side, away from the connecting pipeline, of the mechanical storage device, and the telescopic direction of the first telescopic component is perpendicular to the axis of the connecting pipeline;
the second telescopic component is connected to one end, close to the connecting pipeline, of the first telescopic component, and the telescopic direction of the second telescopic component is parallel to the axis of the connecting pipeline;
the rotating mechanism is connected to one end, close to the static eliminating pipe, of the second telescopic component, and the rotating shaft of the rotating mechanism is parallel to the axis of the static eliminating pipe;
the cylindrical scale sucking disc is connected with a rotating shaft of the rotating mechanism; the outer diameter of the cylindrical scale sucking disc is matched with the inner diameter of the static eliminating pipe;
the cylindrical cleaning brush is sleeved outside a connecting shaft which is connected to one side of the cylindrical scale sucking disc far away from the rotating mechanism; the outer diameter of the cylindrical cleaning brush is matched with the inner diameter of the static eliminating tube;
and the first driving device, the first telescopic assembly, the second telescopic assembly and the rotating assembly are all connected with the controller.
In the technical scheme, after the oil pipeline stops oil transportation, the oil pipeline, the static eliminating pipe and the oil in the connecting pipeline are emptied, a probe on the static eliminating pipe is pulled out, a probe pinhole is plugged by a thread plug, a cleaning device is started at the moment, and a controller controls a first driving device to drive an arc-shaped sealing door to be opened; the first telescopic component stretches under the control of the controller, so that the first telescopic component and a device connected with the first telescopic component are sent into the connecting pipeline; the first telescopic component stretches under the control of the controller, so that the rotating mechanism and a device connected with the rotating mechanism are sent into the static eliminating tube; the rotary mechanism rotates according to a preset rotating speed under the control of the controller, so that the cylindrical dirt suction disc and the cylindrical cleaning brush are driven to rotate, dirt on the wall of the static eliminating pipe is brushed down by the cylindrical cleaning brush, the brushed dirt is sucked and stored by the cylindrical dirt suction disc, and in the process, the second telescopic component stretches back and forth, so that the cylindrical cleaning brush and the cylindrical dirt suction disc are driven to reciprocate along the static eliminating pipe axis, and dirt cleaning and recovery of the whole static eliminating pipe are realized; after the cleaning process is finished, the second telescopic assembly is retracted and restored to the original position, then the first telescopic assembly is retracted and restored to the original position, and the controller controls the first driving device to close the arc-shaped sealing door. In the whole cleaning process, the static eliminating pipe is not required to be detached from the oil pipeline, the cleaning convenience and efficiency of the static eliminating pipe are improved, the workload and time cost of workers are reduced, meanwhile, the cylindrical cleaning brush is adopted for cleaning dirt, a cleaning agent is not required to be added, and the oil product is prevented from being polluted.
Further, a dirt collecting assembly is arranged in the mechanical storage device and comprises a cuboid shell, a cylindrical accommodating groove is formed in the middle of one side, close to the first telescopic assembly, of the cuboid shell, the axis of the cylindrical accommodating groove is parallel to the axis of the connecting pipeline, and the inner diameter of the cylindrical accommodating groove is matched with the outer diameter of the cylindrical hairbrush; a high-pressure air pump is arranged in the cuboid shell and connected with a controller; the high-pressure air pump is connected with a plurality of pressurizing spray heads, air outlets of the pressurizing spray heads are all positioned on the inner wall of the cylindrical accommodating groove, and the air outlet direction of the high-pressure spray heads faces the circle center of the circular section of the cylindrical accommodating groove; the bottom of the cylindrical accommodating groove is provided with a sewage outlet which is communicated with a dirt collecting groove.
After the cleaning process is finished, the controller controls the second telescopic mechanism to stretch out, the cylindrical cleaning brush is pushed into the cylindrical accommodating groove, meanwhile, the high-pressure air pump generates high-pressure air, the high-pressure air is sprayed to the cylindrical cleaning brush through the pressurizing nozzle, so that sticky dirt on the cylindrical cleaning brush is blown off, and the blown dirt enters the dirt collecting groove through the sewage outlet. After each time cleaning is completed, the cylindrical cleaning brush is cleaned, and the phenomenon that the next cleaning process is influenced by sticky dirt on the cylindrical cleaning brush is avoided.
Further, the cleaning device also comprises an air pressure balancing component, wherein the air pressure balancing component comprises a first air pressure sensor, a second air pressure sensor and an air suction and exhaust valve, the first air pressure sensor is arranged in the connecting pipeline, and the second air pressure sensor is arranged in the mechanical storage device; one end of the air suction and exhaust valve is communicated with the inside of the mechanical storage device, and the other end of the air suction and exhaust valve is communicated with the outside air; the first air pressure sensor, the second air pressure sensor and the air suction and exhaust valve are all connected with the controller.
Before the cambered surface sealing door is opened, the air pressure in the connecting pipeline and the air pressure in the mechanical storage device are respectively sensed by the first air pressure sensor and the second air pressure sensor, and the air pressure in the mechanical storage device is adjusted by the air suction and exhaust valve, so that the air pressure in the connecting pipeline and the air pressure in the mechanical storage device are balanced, the cambered surface sealing door is opened, and meanwhile, the influence of sudden change of the air pressure in the mechanical storage device on the stability of internal equipment of the cambered surface sealing door is prevented.
Further, the side wall of one end of the connecting shaft far away from the cylindrical scale sucking disc is provided with at least one miniature infrared sensor, and the miniature infrared sensor is used for scanning whether cracks exist on the wall of the static eliminating tube.
The micro infrared sensor is used for detecting whether cracks exist on the wall of the static eliminating pipe or not, so that the damage condition of the static eliminating pipe is found in time, and accidents such as pipe explosion and the like in the oil transportation process caused by failure in finding the damage of the static eliminating pipe in time are prevented.
Further, a first limit sensor is arranged in the center of the inner wall of the cylindrical accommodating groove far away from the first telescopic component; the connecting shaft is provided with a second limit sensor far away from the center of the end face of the cylindrical scale sucking disc.
Through the accurate matching of the first limit sensor and the second limit sensor, the cylindrical cleaning brush can be accurately moved into the cylindrical accommodating groove.
Further, an opening and closing detection device is arranged on the connecting pipeline and is used for sensing whether the cambered surface-shaped sealing door is opened to a preset position or not; the opening and closing detection device is connected with the controller.
The opening and closing detection device ensures that after the cambered sealing door is completely opened, the controller controls the first telescopic structure to extend again, so that the second telescopic mechanism is prevented from touching the cambered sealing door, and equipment damage is prevented; meanwhile, the arc-shaped sealing door is ensured to be closed in place when being closed, and the problem that oil enters a mechanical storage device and damages equipment in the mechanical storage device due to the fact that the arc-shaped sealing door is not completely closed when oil transportation is restarted is avoided.
Further, the first telescopic component comprises a first connecting plate and a second connecting plate, the first connecting plate and the second connecting plate are connected through an X-shaped multi-layer telescopic frame, sliding grooves are formed in the first connecting plate and the second connecting plate, and two ends of the X-shaped multi-layer telescopic frame are respectively and slidably connected to the sliding grooves on the first connecting plate and the second connecting plate; the two ends of the first connecting plate are provided with second driving devices, and the second driving devices are used for driving two sides of one end of the X-shaped multilayer expansion bracket to slide along sliding grooves on the first connecting plate; one side of the second connecting plate far away from the first connecting plate is connected with the second telescopic mechanism.
In the technical scheme, the second driving device drives the two ends of the X-shaped multi-layer expansion bracket to slide along the sliding grooves on the first connecting plate, so that the X-shaped multi-layer expansion bracket can expand and contract; the control of the telescopic distance of the X-shaped multi-layer telescopic frame can be realized by controlling the working process of the second driving device, so that the second telescopic assembly can be accurately aligned with the center of the static eliminating tube.
Further, the two ends of the first connecting plate are connected with the two ends of the second connecting plate through telescopic rods, and the telescopic direction of the telescopic rods is parallel to the telescopic direction of the X-shaped multilayer telescopic frame.
The telescopic links are arranged at the two ends of the first connecting plate and the second connecting plate to be connected, so that the connection stability of the first connecting plate and the second connecting plate is improved, and the telescopic stability of the second telescopic assembly and the rotation stability of the rotating mechanism are improved.
Further, the cylindrical dirt suction disc comprises a cylindrical dirt collection box, the center of one side of the cylindrical dirt collection box is connected with a rotating shaft of the rotating mechanism, an air outlet is formed in one side, connected with the rotating shaft, of the cylindrical dirt collection box, and a filter screen is detachably connected to the air outlet; the cylindrical dirt collecting box is concave from the outer edge to the center at one side far away from the rotating shaft, and an air inlet is formed in the concave center; the utility model discloses a cylindrical dirt collection box, including cylindrical dirt collection box, a plurality of arc flabellum has been set up around the center in one side that the rotation axis was kept away from to cylindrical dirt collection box, every the both ends of arc flabellum are connected respectively in the edge of cylindrical dirt collection box and the edge of air intake, and a plurality of arc flabellum is kept away from one side of cylindrical dirt collection box and is connected with the apron, the center of one side that the arc flabellum was kept away from to the apron is connected with the connecting axle.
In the technical scheme, when the rotary mechanism drives the cylindrical dirt absorbing disc to rotate, the arc-shaped fan blades of the cylindrical dirt absorbing disc generate suction force in the rotating process, peripheral gas is adsorbed to the middle of the cylindrical dirt collecting box, the adsorbed gas moves towards the middle of the cylindrical dirt collecting box together with dirt and enters the inside of the cylindrical dirt collecting box through the air inlet, the gas entering the inside of the cylindrical dirt collecting box is discharged from the air outlet, and the dirt entering the inside of the cylindrical dirt collecting box stays in the cylindrical dirt collecting box under the blocking of the filter screen, so that the dirt is collected and stored.
According to another aspect of the invention, there is provided a cleaning method for an oil pipeline static eliminating pipe in a non-dismantling state, comprising the steps of:
s1: the first driving device drives the arc-shaped sealing door to open;
s2: the second driving device drives the first telescopic assembly to extend, and the first telescopic assembly drives the second telescopic assembly to enter the connecting pipeline; the second telescopic component stretches to drive the rotating mechanism, the cylindrical scale sucking disc and the cylindrical cleaning brush to enter the static eliminating tube;
s3: the rotating mechanism drives the cylindrical scale sucking disc and the cylindrical cleaning brush to rotate, and cleaning of the interior of the static eliminating tube is started; the second telescopic component drives the rotating mechanism, the cylindrical scale sucking disc and the cylindrical cleaning brush to move back and forth along the axis of the static eliminating tube in the static eliminating tube until the cleaning of the inside of the static eliminating tube is completed;
s4: the second telescopic mechanism contracts to drive the rotating mechanism, the cylindrical scale sucking disc and the cylindrical cleaning brush to return into the connecting pipeline; the first telescopic component contracts to drive the second telescopic component to return to the mechanical storage device;
s5: the first driving device drives the arc-shaped sealing door to be closed.
In the technical scheme, after the oil pipeline stops oil transportation, the first driving device drives the arc-shaped sealing door to open firstly, and then the second driving device drives the first telescopic assembly to extend, and the first telescopic assembly drives the second telescopic assembly to enter the connecting pipeline; then, the second telescopic component stretches to drive the rotating mechanism, the cylindrical scale sucking disc and the cylindrical cleaning brush to enter the static eliminating tube; then, the rotating mechanism drives the cylindrical scale sucking disc and the cylindrical cleaning brush to rotate, and cleaning of the interior of the static eliminating tube is started; in the cleaning process, the second telescopic component drives the rotating mechanism, the cylindrical dirt suction disc and the cylindrical cleaning brush to move back and forth along the axis of the static eliminating tube in the static eliminating tube until the cleaning of the inside of the static eliminating tube is completed; when the cleaning process is finished, the second telescopic mechanism contracts to drive the rotating mechanism, the cylindrical scale sucking disc and the cylindrical cleaning brush to return into the connecting pipeline; finally, the first telescopic component contracts to drive the second telescopic component to return to the mechanical storage device; the first driving device drives the arc-shaped sealing door to be closed. The method realizes the cleaning of the static eliminating pipe in a non-dismantling state, improves the cleaning efficiency of the static eliminating pipe, and reduces the manual workload and the cleaning time.
Compared with the prior art, the invention has the beneficial effects that:
(1) According to the cleaning device for the oil pipeline static eliminating pipe in the non-dismantling state, in the cleaning process of the static eliminating pipe, the static eliminating pipe does not need to be dismantled from the oil pipeline, the cleaning convenience and efficiency of the static eliminating pipe are improved, the workload and time cost of workers are reduced, meanwhile, the cylindrical cleaning brush is adopted to clean dirt, a cleaning agent does not need to be added, and the oil product is prevented from being polluted.
(2) The cleaning device for the oil pipeline static eliminating pipe in the non-dismantling state provided by the invention adopts the miniature infrared sensor to scan whether cracks exist on the wall of the static eliminating pipe, so that the damage condition of the static eliminating pipe can be found timely, and accidents such as pipe explosion and the like in the oil conveying process caused by failure to find the damage of the static eliminating pipe timely are prevented.
(3) The cleaning method for the oil pipeline static eliminating pipe in the non-dismantling state provided by the invention has the advantages that the cleaning of the static eliminating pipe in the non-dismantling state is realized, the cleaning efficiency of the static eliminating pipe is improved, and the manual workload and the cleaning time are reduced.
Drawings
FIG. 1 is a schematic view of a cleaning apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic view of a cleaning device connection according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a connecting pipeline according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a mechanical storage device according to an embodiment of the invention;
FIG. 5 is a schematic view of a first telescopic device according to an embodiment of the present invention;
FIG. 6 is a schematic view of a second telescopic device according to an embodiment of the present invention;
FIG. 7 is a schematic view of a dirt collection assembly in accordance with an embodiment of the present invention;
FIG. 8 is a schematic view of a cylindrical scale sucking disc according to an embodiment of the present invention;
fig. 9 is a flow chart of a method according to an embodiment of the invention.
In the figure: 1. a connecting pipe; 101. a cambered surface-shaped opening; 102. arc-shaped sliding grooves; 103. an arc-shaped sealing door; 104. an opening and closing detection device; 105. a first driving device; 2. a mechanical storage device; 3. a static eliminating tube; 4. an oil delivery pipeline; 5. a first telescoping assembly; 501. a first connection plate; 502. a second connecting plate; 503. x-shaped multi-layer expansion bracket; 504. a second driving device; 505. a telescopic rod; 6. a second telescoping assembly; 601. a third driving device; 602. sleeving a connecting rod; 7. a rotation mechanism; 8. a cylindrical scale sucking disc; 801. cylindrical dirt collection; 802. an air inlet; 803. arc-shaped fan blades; 9. a cylindrical cleaning brush; 10. a dirt collection assembly; 1001. a high pressure air pump; 1002. a cylindrical receiving groove; 1003. pressurizing the spray head; 1004. a dirt collection tank; 1005. a first limit sensor; 11. and a connecting shaft.
Detailed Description
The following description of the embodiments of the present invention will be made in detail and with reference to the accompanying drawings, wherein it is apparent that the embodiments described are only some, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to fall within the scope of the invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically connected, electrically connected or can be communicated with each other; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
Example 1
As shown in fig. 1, the present embodiment provides a cleaning device for a non-dismantling state of a static eliminating pipe 3 of an oil pipeline 4, comprising:
a connecting pipeline 1, wherein one port of the connecting pipeline 1 is communicated with the port of the static eliminating pipe 3, and the other port of the connecting pipeline 1 is communicated with the port of the oil conveying pipeline 4 (as shown in fig. 2); the connecting pipeline 1 is provided with an arc-shaped opening 101 (shown in figure 3);
the arc-shaped sealing door 103 is connected to the outer wall of the connecting pipeline 1 in a sliding manner, an arc-shaped sliding groove 102 matched with the arc-shaped sealing door is formed in the outer wall of the connecting pipeline 1, and the arc-shaped sealing door 103 is connected in the arc-shaped sliding groove 102 in a sliding manner; the cambered sealing door 103 is matched with the cambered opening 101; the cambered surface-shaped sealing door 103 is connected with a first driving device 105 (the first driving device 105 is a motor), and the first driving device 105 drives the cambered surface-shaped sealing door 103 to open or close;
a mechanical storage device 2, the mechanical storage device 2 being connected to the outer wall of the connecting pipe 1; the interior of the mechanical storage device 2 is communicated with the interior of the connecting pipeline 1 through the arc-shaped opening 101;
the fixed end of the first telescopic component 5 is connected with one side, away from the connecting pipeline 1, of the mechanical storage device 2, and the telescopic direction of the first telescopic component 5 is perpendicular to the axis of the connecting pipeline 1;
the second telescopic assembly 6 is connected to one end, close to the connecting pipeline 1, of the first telescopic assembly 5, and the telescopic direction of the second telescopic assembly 6 is parallel to the axis of the connecting pipeline 1;
a rotation mechanism 7 (in this embodiment, a rotation motor), wherein the rotation mechanism 7 is connected to one end of the second telescopic assembly 6 near the static eliminating tube 3, and the rotation axis of the rotation mechanism 7 is parallel to the axis of the static eliminating tube 3;
a cylindrical scale sucking disc 8, wherein the cylindrical scale sucking disc 8 is connected with a rotating shaft of the rotating mechanism 7; the outer diameter of the cylindrical scale sucking disc 8 is matched with the inner diameter of the static eliminating tube 3;
a cylindrical cleaning brush 9 (in this embodiment, a cylindrical brush), the cylindrical cleaning brush 9 is sleeved outside a connecting shaft 11, and the connecting shaft 11 is connected to one side of the cylindrical scale sucking disc 8 away from the rotating mechanism 7; the outer diameter of the cylindrical cleaning brush 9 is matched with the inner diameter of the static eliminating tube 3;
the controller (in this embodiment, the controller is an STM8S003F3P6TR single-chip microcomputer), and the first driving device 105, the first telescopic assembly 5, the second telescopic assembly 6, and the rotating assembly are all connected with the controller.
After the oil delivery pipeline 4 stops delivering oil, the oil delivery pipeline 4, the static eliminating pipe 3 and the connecting pipeline 1 are emptied, a probe on the static eliminating pipe 3 is pulled out, a probe pinhole is plugged by a thread plug, a cleaning device is started at the moment, and a controller controls a first driving device 105 to drive a cambered sealing door 103 to be opened; the first telescopic component 5 stretches under the control of the controller, so that the first telescopic component 5 and devices connected to the first telescopic component 5 are sent into the connecting pipeline 1; the first telescopic component 5 stretches under the control of the controller, so that the rotating mechanism 7 and devices connected with the rotating mechanism 7 are sent into the static eliminating tube 3; the rotating mechanism 7 rotates according to a preset rotating speed under the control of the controller, so that the cylindrical dirt sucking disc 8 and the cylindrical cleaning brush 9 are driven to rotate, dirt on the wall of the static eliminating pipe 3 is brushed off by the cylindrical cleaning brush 9, the brushed dirt is sucked and stored by the cylindrical dirt sucking disc 8, and in the process, the second telescopic component 6 stretches back and forth, so that the cylindrical cleaning brush 9 and the cylindrical dirt sucking disc 8 are driven to reciprocate along the axis of the static eliminating pipe 3, and dirt cleaning and recovery of the whole static eliminating pipe 3 are realized; after the cleaning process is finished, the second telescopic assembly 6 is retracted and restored to the original position, then the first telescopic assembly 5 is retracted and restored to the original position, and the controller controls the first driving device 105 to close the arc-shaped sealing door 103. In the whole cleaning process, the static eliminating pipe 3 is not required to be detached from the oil pipeline 4, the cleaning convenience and efficiency of the static eliminating pipe 3 are improved, the workload and time cost of workers are reduced, meanwhile, the cylindrical cleaning brush 9 is used for cleaning dirt, a cleaning agent is not required to be added, and the oil product is prevented from being polluted.
As a preferred embodiment, the mechanical storage device 2 is provided with a dirt collecting assembly 10 (as shown in fig. 8), the dirt collecting assembly 10 includes a cuboid housing, a cylindrical accommodating groove 1002 is formed in the middle of one side of the cuboid housing, which is close to the first telescopic assembly 5, the axis of the cylindrical accommodating groove 1002 is parallel to the axis of the connecting pipeline 1, and the inner diameter of the cylindrical accommodating groove 1002 is matched with the outer diameter of the cylindrical brush; a high-pressure air pump 1001 is arranged in the cuboid shell, and the high-pressure air pump 1001 is connected with a controller; the high-pressure air pump 1001 is connected with a plurality of pressurized spray heads 1003, air outlets of the plurality of pressurized spray heads 1003 are all positioned on the inner wall of the cylindrical accommodating groove 1002, and the air outlet direction of the high-pressure spray heads faces the circle center of the circular section of the cylindrical accommodating groove 1002; a drain outlet is formed in the bottom of the cylindrical accommodating groove 1002, and the drain outlet is communicated with a dirt collecting groove 1004.
After the cleaning process is completed, the controller controls the second telescopic mechanism to be extended, the cylindrical cleaning brush 9 is pushed into the cylindrical accommodating groove 1002, meanwhile, the high-pressure air pump 1001 generates high-pressure air, the high-pressure air is sprayed to the cylindrical cleaning brush 9 through the pressurizing spray nozzle 1003, so that sticky dirt on the cylindrical cleaning brush 9 is blown down, and the blown dirt enters the dirt collecting groove 1004 through the drain outlet. After each cleaning, the cylindrical cleaning brush 9 is cleaned, so that the next cleaning process is prevented from being influenced by sticky dirt on the cylindrical cleaning brush 9.
As a preferred embodiment, the cleaning device further comprises an air pressure balancing component, the air pressure balancing component comprises a first air pressure sensor, a second air pressure sensor and an air suction and exhaust valve, the first air pressure sensor is arranged in the connecting pipeline 1, and the second air pressure sensor is arranged in the mechanical storage device 2; one end of the air suction and exhaust valve is communicated with the inside of the mechanical storage device 2, and the other end of the air suction and exhaust valve is communicated with the outside air; the first air pressure sensor, the second air pressure sensor and the air suction and exhaust valve are all connected with the controller.
Before the arc-shaped sealing door 103 is opened, the air pressure in the connecting pipeline 1 and the air pressure in the mechanical storage device 2 are respectively sensed by the first air pressure sensor and the second air pressure sensor, and the air pressure in the mechanical storage device 2 is adjusted by the air suction and exhaust valve, so that the air pressure in the connecting pipeline 1 and the air pressure in the mechanical storage device 2 are balanced, the opening of the arc-shaped sealing door 103 is facilitated, and meanwhile, the sudden change of the air pressure in the mechanical storage device 2 is prevented from influencing the stability of internal equipment.
As a preferred embodiment, the side wall of the end of the connecting shaft 11 away from the cylindrical scale sucking disc 8 is provided with at least one micro infrared sensor, and the micro infrared sensor is used for scanning whether cracks exist on the wall of the static eliminating tube 3.
Whether cracks exist on the wall of the static eliminating pipe 3 or not is detected through the miniature infrared sensor, so that the damage condition of the static eliminating pipe 3 is found in time, and accidents such as pipe explosion and the like in the oil transportation process caused by failure in finding out the damage of the static eliminating pipe 3 in time are prevented.
As a preferred embodiment, the cylindrical receiving groove 1002 is provided with a first limit sensor 1005 away from the center of the inner wall of the first telescopic assembly 5; the connecting shaft 11 is provided with a second limit sensor far away from the center of the end face of the cylindrical scale sucking disc 8.
By the accurate matching of the first limit sensor 1005 and the second limit sensor, the cylindrical cleaning brush 9 can be accurately moved into the cylindrical accommodation groove 1002.
As a preferred embodiment, the connecting pipe 1 is provided with an opening and closing detecting device 104, and the opening and closing detecting device 104 is used for sensing whether the arc-shaped sealing door 103 is opened to a preset position; the opening and closing detection device 104 is connected with a controller.
The opening and closing detection device 104 ensures that after the cambered sealing door 103 is completely opened, the controller controls the first telescopic structure to extend again, so that the second telescopic mechanism is prevented from touching the cambered sealing door 103, and equipment damage is prevented; meanwhile, the arc-shaped sealing door 103 is ensured to be closed in place when being closed, and the problem that oil enters the mechanical storage device 2 and damages equipment in the mechanical storage device due to the fact that the arc-shaped sealing door 103 is not completely closed when oil transportation is restarted is avoided.
Specifically, the first telescopic component 5 includes a first connecting plate 501 and a second connecting plate 502, the first connecting plate 501 and the second connecting plate 502 are connected by an "X" type multi-layer telescopic frame 503, the first connecting plate 501 and the second connecting plate 502 are provided with sliding grooves, and two ends of the "X" type multi-layer telescopic frame 503 are respectively slidably connected to the sliding grooves on the first connecting plate 501 and the sliding grooves on the second connecting plate 502; two ends of the first connecting plate 501 are provided with second driving devices 504, and the second driving devices 504 are used for driving two sides of one end of the X-shaped multi-layer expansion frame 503 to slide along the sliding grooves on the first connecting plate 501; the side of the second connecting plate 502 away from the first connecting plate 501 is connected with a second telescopic mechanism.
As a preferred embodiment, the two ends of the first connecting plate 501 and the two ends of the second connecting plate 502 are connected by a telescopic rod 505, and the telescopic direction of the telescopic rod 505 is parallel to the telescopic direction of the "X" -shaped multi-layer telescopic frame 503.
The telescopic rods 505 are arranged at two ends of the first connecting plate 501 and two ends of the second connecting plate 502 to be connected, so that the connection stability of the first connecting plate 501 and the second connecting plate 502 is improved, and the telescopic stability of the second telescopic assembly 6 and the rotation stability of the rotation mechanism 7 are improved.
As a preferred embodiment, the cylindrical scale sucking disc 8 comprises a cylindrical scale collecting 801 box, the center of one side of the cylindrical scale collecting 801 box is connected with the rotating shaft of the rotating mechanism 7, an air outlet is formed in one side of the cylindrical scale collecting 801 box, which is connected with the rotating shaft, and a filter screen is detachably connected to the air outlet; the cylindrical dirt collecting 801 box is concave from the outer edge to the center on one side far away from the rotating shaft, and an air inlet 802 is formed in the center of the concave; a plurality of arc flabellum 803 have been laid around the center to one side that the rotation axis was kept away from to cylindrical dirt collection 801 box, every arc flabellum 803's both ends are connected respectively in the edge of cylindrical dirt collection 801 box and the edge of air intake 802, and a plurality of arc flabellum 803 is kept away from one side of cylindrical dirt collection 801 box and is connected with the apron, the center and the connecting axle 11 of one side that arc flabellum 803 was kept away from to the apron are connected.
When rotary mechanism 7 drives cylindrical dirt absorbing disc 8 rotatory, cylindrical dirt absorbing disc 8's arc flabellum 803 produces suction at rotatory in-process, adsorb peripheral gas to cylindrical dirt collection 801 box's centre, the gas that is adsorbed carries the dirt together to cylindrical dirt collection 801 box's centre motion, and get into cylindrical dirt collection 801 box's inside through air intake 802, the gas that gets into cylindrical dirt collection 801 box inside is discharged from the air outlet, and the dirt that gets into cylindrical dirt collection 801 box inside stays in cylindrical dirt collection 801 box under the barrier of filter screen, realized collecting and storing to the dirt.
The cleaning device in this embodiment is in the cleaning process to static eliminating pipe 3, need not to dismantle static eliminating pipe 3 from oil pipeline 4, promotes static eliminating pipe 3 clear convenience and efficiency, reduces staff work load and time cost, simultaneously, adopts cylindrical cleaning brush 9 to clear up the dirt, need not to add the sanitizer, has avoided the oil contaminated.
Example 2
As shown in fig. 9, the present embodiment provides a cleaning method for an oil pipeline in a non-dismantling state of a static eliminating pipe, which includes the following steps:
s1: the first driving device 105 drives the cambered sealing door 103 to open;
s2: the second driving device 504 drives the first telescopic assembly 5 to extend, and the first telescopic assembly 5 drives the second telescopic assembly 6 to enter the connecting pipeline 1; the second telescopic component 6 stretches to drive the rotating mechanism 7, the cylindrical scale sucking disc 8 and the cylindrical cleaning brush 9 to enter the static eliminating tube 3;
s3: the rotating mechanism 7 drives the cylindrical scale sucking disc 8 and the cylindrical cleaning brush 9 to rotate, and cleaning of the interior of the static eliminating tube 3 is started; the second telescopic component 6 drives the rotating mechanism 7, the cylindrical scale sucking disc 8 and the cylindrical cleaning brush 9 to move back and forth along the axis of the static eliminating pipe 3 in the static eliminating pipe 3 until the cleaning of the inside of the static eliminating pipe 3 is completed;
s4: the second telescopic mechanism contracts to drive the rotating mechanism 7, the cylindrical scale sucking disc 8 and the cylindrical cleaning brush 9 to return into the connecting pipeline 1; the first telescopic component 5 contracts to drive the second telescopic component 6 to return to the mechanical storage device 2;
s5: the first driving device 105 drives the arc-shaped sealing door 103 to be closed.
When the oil pipeline 4 stops oil transportation, the first driving device 105 drives the arc-shaped sealing door 103 to open, and then the second driving device 504 drives the first telescopic assembly 5 to extend, and the first telescopic assembly 5 drives the second telescopic assembly 6 to enter the connecting pipeline 1; next, the second telescopic component 6 stretches to drive the rotating mechanism 7, the cylindrical scale sucking disc 8 and the cylindrical cleaning brush 9 to enter the static eliminating tube 3; then, the rotating mechanism 7 drives the cylindrical scale sucking disc 8 and the cylindrical cleaning brush 9 to rotate, and cleaning of the inside of the static eliminating tube 3 is started; in the cleaning process, the second telescopic component 6 drives the rotating mechanism 7, the cylindrical scale sucking disc 8 and the cylindrical cleaning brush 9 to move back and forth along the axis of the static eliminating tube 3 in the static eliminating tube 3 until the cleaning of the inside of the static eliminating tube 3 is completed; when the cleaning process is finished, the second telescopic mechanism contracts to drive the rotating mechanism 7, the cylindrical scale sucking disc 8 and the cylindrical cleaning brush 9 to return into the connecting pipeline 1; finally, the first telescopic component 5 contracts to drive the second telescopic component 6 to return to the mechanical storage device 2; the first driving device 105 drives the arc-shaped sealing door 103 to be closed. The method realizes the cleaning of the static eliminating pipe 3 in a non-dismantling state, improves the cleaning efficiency of the static eliminating pipe 3, and reduces the manual workload and the cleaning time.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced with equivalents; these modifications or substitutions do not depart from the essence of the corresponding technical solutions from the technical solutions of the embodiments of the present invention.

Claims (10)

1. A cleaning device for under oil pipeline static electricity eliminating pipe non-demolishs state, its characterized in that includes:
the connecting pipeline is characterized in that one port of the connecting pipeline is communicated with the port of the static eliminating pipe, and the other port of the connecting pipeline is communicated with the port of the oil pipeline; the connecting pipeline is provided with an arc-shaped opening;
the cambered sealing door is connected to the outer wall of the connecting pipeline in a sliding manner and is matched with the cambered opening; the cambered surface-shaped sealing door is connected with a first driving device, and the first driving device drives the cambered surface-shaped sealing door to open or close;
a mechanical storage device connected to the outer wall of the connecting pipe; the interior of the mechanical storage device is communicated with the interior of the connecting pipeline through the cambered surface-shaped opening;
the fixed end of the first telescopic component is connected with one side, away from the connecting pipeline, of the mechanical storage device, and the telescopic direction of the first telescopic component is perpendicular to the axis of the connecting pipeline;
the second telescopic component is connected to one end, close to the connecting pipeline, of the first telescopic component, and the telescopic direction of the second telescopic component is parallel to the axis of the connecting pipeline;
the rotating mechanism is connected to one end, close to the static eliminating pipe, of the second telescopic component, and the rotating shaft of the rotating mechanism is parallel to the axis of the static eliminating pipe;
the cylindrical scale sucking disc is connected with a rotating shaft of the rotating mechanism; the outer diameter of the cylindrical scale sucking disc is matched with the inner diameter of the static eliminating pipe;
the cylindrical cleaning brush is sleeved outside a connecting shaft which is connected to one side of the cylindrical scale sucking disc far away from the rotating mechanism; the outer diameter of the cylindrical cleaning brush is matched with the inner diameter of the static eliminating tube;
and the first driving device, the first telescopic assembly, the second telescopic assembly and the rotating assembly are all connected with the controller.
2. The cleaning device for the oil pipeline static eliminating pipe in the non-dismantling state according to claim 1, wherein a dirt collecting assembly is arranged in the mechanical storage device, the dirt collecting assembly comprises a cuboid shell, a cylindrical accommodating groove is formed in the middle of one side of the cuboid shell, which is close to the first telescopic assembly, the axis of the cylindrical accommodating groove is parallel to the axis of the connecting pipeline, and the inner diameter of the cylindrical accommodating groove is matched with the outer diameter of the cylindrical hairbrush; a high-pressure air pump is arranged in the cuboid shell and connected with a controller; the high-pressure air pump is connected with a plurality of pressurizing spray heads, air outlets of the pressurizing spray heads are all positioned on the inner wall of the cylindrical accommodating groove, and the air outlet direction of the high-pressure spray heads faces the circle center of the circular section of the cylindrical accommodating groove; the bottom of the cylindrical accommodating groove is provided with a sewage outlet which is communicated with a dirt collecting groove.
3. The cleaning device for an oil pipeline static elimination pipe in a non-dismantling state according to claim 1, wherein the cleaning device further comprises an air pressure balance assembly, the air pressure balance assembly comprises a first air pressure sensor, a second air pressure sensor and an air suction and exhaust valve, the first air pressure sensor is arranged in a connecting pipeline, and the second air pressure sensor is arranged in a mechanical storage device; one end of the air suction and exhaust valve is communicated with the inside of the mechanical storage device, and the other end of the air suction and exhaust valve is communicated with the outside air; the first air pressure sensor, the second air pressure sensor and the air suction and exhaust valve are all connected with the controller.
4. The cleaning device for the non-dismantling state of the static eliminating pipe of the oil pipeline according to claim 1, wherein the side wall of one end of the connecting shaft far away from the cylindrical scale sucking disc is provided with at least one micro infrared sensor, and the micro infrared sensor is used for scanning whether cracks exist on the pipe wall of the static eliminating pipe.
5. The cleaning device for the oil pipeline static eliminating pipe in the non-dismantling state according to claim 1, wherein the cylindrical accommodating groove is provided with a first limit sensor far away from the center of the inner wall of the first telescopic component; the connecting shaft is provided with a second limit sensor far away from the center of the end face of the cylindrical scale sucking disc.
6. The cleaning device for the oil pipeline in the non-dismantling state of the static eliminating pipe according to claim 1, wherein an opening and closing detection device is arranged on the connecting pipeline and is used for sensing whether the cambered sealing door is opened to a preset position or not; the opening and closing detection device is connected with the controller.
7. The cleaning device for the oil pipeline static eliminating pipe in the non-dismantling state according to claim 1, wherein the first telescopic component comprises a first connecting plate and a second connecting plate, the first connecting plate and the second connecting plate are connected through an X-shaped multi-layer telescopic frame, sliding grooves are formed in the first connecting plate and the second connecting plate, and two ends of the X-shaped multi-layer telescopic frame are respectively and slidably connected to the sliding grooves on the first connecting plate and the sliding grooves on the second connecting plate; the two ends of the first connecting plate are provided with second driving devices, and the second driving devices are used for driving two sides of one end of the X-shaped multilayer expansion bracket to slide along sliding grooves on the first connecting plate; one side of the second connecting plate far away from the first connecting plate is connected with the second telescopic mechanism.
8. The cleaning device for an oil pipeline static eliminating pipe in a non-dismantling state according to claim 7, wherein two ends of the first connecting plate and two ends of the second connecting plate are connected through telescopic rods, and the telescopic direction of the telescopic rods is parallel to the telescopic direction of the X-shaped multi-layer telescopic frame.
9. The cleaning device for the oil pipeline static eliminating pipe in the non-dismantling state according to claim 1, wherein the cylindrical dirt absorbing disc comprises a cylindrical dirt collecting box, the center of one side of the cylindrical dirt collecting box is connected with a rotating shaft of the rotating mechanism, an air outlet is formed in one side of the cylindrical dirt collecting box, which is connected with the rotating shaft, and a filter screen is detachably connected to the air outlet; the cylindrical dirt collecting box is concave from the outer edge to the center at one side far away from the rotating shaft, and an air inlet is formed in the concave center; the utility model discloses a cylindrical dirt collection box, including cylindrical dirt collection box, a plurality of arc flabellum has been set up around the center in one side that the rotation axis was kept away from to cylindrical dirt collection box, every the both ends of arc flabellum are connected respectively in the edge of cylindrical dirt collection box and the edge of air intake, and a plurality of arc flabellum is kept away from one side of cylindrical dirt collection box and is connected with the apron, the center of one side that the arc flabellum was kept away from to the apron is connected with the connecting axle.
10. The cleaning method for the oil pipeline static eliminating pipe in the non-dismantling state is based on the cleaning device for the oil pipeline static eliminating pipe in the non-dismantling state as claimed in any one of claims 1 to 9, and is characterized by comprising the following steps:
s1: the first driving device drives the arc-shaped sealing door to open;
s2: the second driving device drives the first telescopic assembly to extend, and the first telescopic assembly drives the second telescopic assembly to enter the connecting pipeline; the second telescopic component stretches to drive the rotating mechanism, the cylindrical scale sucking disc and the cylindrical cleaning brush to enter the static eliminating tube;
s3: the rotating mechanism drives the cylindrical scale sucking disc and the cylindrical cleaning brush to rotate, and cleaning of the interior of the static eliminating tube is started; the second telescopic component drives the rotating mechanism, the cylindrical scale sucking disc and the cylindrical cleaning brush to move back and forth along the axis of the static eliminating tube in the static eliminating tube until the cleaning of the inside of the static eliminating tube is completed;
s4: the second telescopic mechanism contracts to drive the rotating mechanism, the cylindrical scale sucking disc and the cylindrical cleaning brush to return into the connecting pipeline; the first telescopic component contracts to drive the second telescopic component to return to the mechanical storage device;
s5: the first driving device drives the arc-shaped sealing door to be closed.
CN202211536321.4A 2022-12-02 2022-12-02 Cleaning device and method for oil pipeline static eliminating pipe in non-dismantling state Active CN115716074B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211536321.4A CN115716074B (en) 2022-12-02 2022-12-02 Cleaning device and method for oil pipeline static eliminating pipe in non-dismantling state

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211536321.4A CN115716074B (en) 2022-12-02 2022-12-02 Cleaning device and method for oil pipeline static eliminating pipe in non-dismantling state

Publications (2)

Publication Number Publication Date
CN115716074A CN115716074A (en) 2023-02-28
CN115716074B true CN115716074B (en) 2023-05-23

Family

ID=85257282

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202211536321.4A Active CN115716074B (en) 2022-12-02 2022-12-02 Cleaning device and method for oil pipeline static eliminating pipe in non-dismantling state

Country Status (1)

Country Link
CN (1) CN115716074B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116060394B (en) * 2023-03-07 2023-06-13 山东省地质矿产勘查开发局八〇一水文地质工程地质大队(山东省地矿工程勘察院) Gravel filling material conveying pipe for hydrogeological hole construction

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206004986U (en) * 2016-08-29 2017-03-08 牛绍兵 A kind of new phasmajector that disappears
CN208373765U (en) * 2018-05-10 2019-01-15 重庆富皇建筑工业化制品有限公司 A kind of acrylic acid conveyance conduit cleaning system
CN209866860U (en) * 2019-03-23 2019-12-31 四川省旺达饲料有限公司 Conveying pipe convenient to clearance observation window
CN213613131U (en) * 2020-10-29 2021-07-06 王宪玲 Water conservancy pipeline cleaning device
CN213826249U (en) * 2020-11-04 2021-07-30 南京筑康环境科技有限公司 Air pipe cleaning robot
CN216813430U (en) * 2022-03-02 2022-06-24 辛华伟 Novel hydraulic engineering uses water conservancy pipeline

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206004986U (en) * 2016-08-29 2017-03-08 牛绍兵 A kind of new phasmajector that disappears
CN208373765U (en) * 2018-05-10 2019-01-15 重庆富皇建筑工业化制品有限公司 A kind of acrylic acid conveyance conduit cleaning system
CN209866860U (en) * 2019-03-23 2019-12-31 四川省旺达饲料有限公司 Conveying pipe convenient to clearance observation window
CN213613131U (en) * 2020-10-29 2021-07-06 王宪玲 Water conservancy pipeline cleaning device
CN213826249U (en) * 2020-11-04 2021-07-30 南京筑康环境科技有限公司 Air pipe cleaning robot
CN216813430U (en) * 2022-03-02 2022-06-24 辛华伟 Novel hydraulic engineering uses water conservancy pipeline

Also Published As

Publication number Publication date
CN115716074A (en) 2023-02-28

Similar Documents

Publication Publication Date Title
US5584900A (en) Apparatus for cleaning cylindrical air filters
CN115716074B (en) Cleaning device and method for oil pipeline static eliminating pipe in non-dismantling state
CN109452911B (en) Intelligent stair cleaning robot
WO2018120415A1 (en) Domestic robot
US20230240493A1 (en) Dust Collector
CN207386008U (en) Textile machine control cabinet dust-extraction unit
CN109457649A (en) A kind of dry type environmental sanitation dust catcher
CN111618013A (en) Dust removal device for instruments and meters
CN109925832A (en) A kind of dedusting environment friendly equipment
CN219663188U (en) Dust remover capable of avoiding dust accumulation and blockage
CN210204621U (en) Efficient dust removal environmental protection equipment
CN106964574A (en) A kind of electric power protection screen cleaning device and application method
US20190381435A1 (en) An air filter cleaning device and parts and methods of use thereof
CN215339767U (en) Atmosphere detection equipment with automatic dust cleaning function
CN212513946U (en) Pressure detection device for building safety detection
CN207188397U (en) Oil storage tank automatic rinser with automated watch-keeping facility
CN217033512U (en) Dustless detection device of toilet
CN206510043U (en) A kind of novel household robot
CN220541291U (en) Building warm ventilation structure
CN109480718A (en) A kind of household metope spot automatic cleaning apparatus
CN220860912U (en) Air filtering cleaner
CN217980941U (en) Air detection device with dust removal function
CN117824565B (en) Inner wall deformation measurement equipment for pipeline overhaul
CN219442750U (en) Material cleaning device
CN216498260U (en) Novel wet dust collector for food processing

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant