Pipeline detection and cleaning device, cleaning treatment system and associated gas purification method

Abstract

The present invention belongs to the field of cleaning technology, and specifically provides a pipeline detection cleaning device, a cleaning treatment system and an associated gas purification method, wherein the pipeline detection cleaning device comprises: a liquid storage tank, a cleaning mechanism, a liquid discharge pump, a flow detection sensor, and a control module. By arranging a cleaning mechanism in the liquid storage tank, and detecting the discharge flow of the liquid discharge pump through the flow detection sensor, the fluidity of the liquid in the liquid storage tank and the degree of adhesion of solid sediments on the inner wall of the liquid storage tank are indirectly detected. When the flow information is less than a first preset value, the cleaning mechanism is controlled to clean the liquid storage tank, and the adhesion of solid sediments on the inner wall of the liquid storage tank is reduced, thereby increasing the discharge efficiency of the liquid discharge pump and reducing the workload of the liquid discharge pump. At the same time, the liquid storage tank is automatically cleaned, the maintenance frequency is reduced, and thus the maintenance cost is reduced.

Description

Technical Field

[0001] The present invention belongs to the field of cleaning technology, and specifically relates to cleaning in contact with liquid, and more particularly to a pipeline detection cleaning device, a cleaning treatment system and an associated gas purification method. Background Art

[0002] Oilfield associated gas has the characteristics of complete combustion and high calorific value, and is the main way to heat crude oil on site in oilfields.

[0003] Since the associated gas contains impurities, direct combustion will cause excessive smoke, sulfide, and nitrogen oxide. In the related technology, impurities such as light oil, crude oil, water, solid sediment, and sulfide in the associated gas are removed to clean and purify the associated gas to ensure the smooth combustion of the burner. The separated light oil, water, and solid sediment have a serious impact on the aquatic ecosystem and cannot be discharged directly. They need to be stored in a liquid storage tank, and the liquid in the liquid storage tank must be discharged regularly for easy treatment.

[0004] However, light oil, water and solid sediment will be stratified in the liquid storage tank, and the solid sediment will accumulate at the bottom of the liquid storage tank and adhere to the inner wall of the liquid storage tank, thereby increasing the workload of the liquid discharge pump, reducing the discharge efficiency of the liquid storage tank, and reducing the service life of the liquid discharge pump. At the same time, due to the accumulation of solid sediment in the liquid storage tank, the liquid storage tank needs to be maintained regularly, which increases the maintenance cost.

[0005] Therefore, how to reduce the accumulation of solid sediment in the liquid storage tank when the liquid discharge pump is working is a technical problem that needs to be solved urgently.

[0006] It should be noted that the above information disclosed in this background technology section is only used to understand the background technology of the present application concept, and therefore, the above description is not considered to constitute information of the prior art. Summary of the invention

[0007] The embodiments of the present disclosure at least provide a pipeline detection and cleaning device, a cleaning treatment system and an associated gas purification method.

[0008] In a first aspect, an embodiment of the present disclosure provides a pipeline detection and cleaning device, comprising:

[0009] Fluid storage tank;

[0010] A cleaning mechanism, which is arranged in the liquid storage tank;

[0011] A liquid discharge pump connected to the liquid discharge port of the liquid storage tank;

[0012] A flow detection sensor, which is arranged at the water outlet of the drainage pump;

[0013] The control module is configured to receive flow information detected by the flow detection sensor, and when the flow information is less than a first preset value, control the cleaning mechanism to clean the liquid storage tank to reduce the adhesion of solid sediments on the inner wall of the liquid storage tank.

[0014] In an optional embodiment, the cleaning mechanism comprises:

[0015] A rotary drive unit, a rotating wheel, a connecting rod, a blocking disk and a stirring blade;

[0016] The rotating wheel is arranged opposite to the blocking disk, and the rotating wheel is rotatably arranged on the top of the liquid storage tank, and the blocking disk is arranged in the liquid storage tank;

[0017] One end of the connecting rod is connected to the rotating wheel, and the other end is connected to the blocking disk;

[0018] The stirring blade is arranged below the blocking disk and connected to the blocking disk;

[0019] The rotary drive unit is suitable for driving the rotating wheel to rotate, thereby driving the blocking disk and the stirring blade to rotate.

[0020] In an optional embodiment, the stirring blade includes a plurality of L-shaped blades;

[0021] The L-shaped blades are respectively fitted with the bottom wall and the inner wall of the liquid storage tank.

[0022] In an optional embodiment, the cleaning mechanism further includes a lifting sleeve, a threaded shaft and a lifting drive unit;

[0023] One end of the threaded shaft is rotatably disposed on the top of the liquid storage tank, and the other end extends into the liquid storage tank and is threadedly connected to the lifting sleeve;

[0024] The lifting sleeve is rotatably arranged on the top surface of the blocking disk;

[0025] The top of the stirring blade passes through the blocking plate and is slidably connected to the blocking plate;

[0026] The lifting drive part is suitable for driving the threaded shaft to rotate, thereby driving the lifting sleeve to move up and down, and then driving the blocking plate to move up and down along the stirring blade;

[0027] The lifting drive part is suitable for driving the threaded shaft to rotate, thereby driving the lifting sleeve to move up and down, and further driving the blocking plate to move up and down;

[0028] The outer side wall of the lifting sleeve is also fixedly provided with a mixing flow tube;

[0029] One end of the mixing pipe extends into the liquid storage tank, and the other end is connected to the water inlet pipe of the liquid discharge pump;

[0030] The control module is further configured to drive the lifting drive unit to operate, thereby driving the mixing pipe to rise and fall along the liquid storage tank.

[0031] In an optional implementation, the control module drives the lifting drive unit to work, thereby driving the mixing pipe to rise and fall along the liquid storage tank, that is,

[0032] When the flow information received by the control module is less than the second preset value, the lifting drive unit is driven to work, driving the blocking plate to descend, so that the mixing tube is inserted below the liquid surface of the liquid storage tank, until the flow information received by the control module is greater than the second preset value, and the lifting drive unit is controlled to stop working.

[0033] In an optional implementation, the second preset value is less than the first preset value; and

[0034] When the flow information received by the control module is less than a second preset value, the control module simultaneously drives the lifting drive unit (280) and the rotating drive unit (210) to operate.

[0035] In a second aspect, the embodiments of the present disclosure further provide a cleaning treatment system, comprising: a tubular condenser, a desulfurizer, and the pipeline detection and cleaning device as described above;

[0036] The tubular condenser is spirally arranged on the outer side wall of the liquid storage tank, and the removal port of the tubular condenser is connected with the liquid storage tank through a steam trap;

[0037] The desulfurizer is arranged above the liquid storage tank and is communicated with the gas outlet of the tubular condenser.

[0038] In a third aspect, the present disclosure also provides an associated gas purification method, comprising:

[0039] The associated gas is introduced into a tubular condenser to cool and remove crude oil, light oil and water from the associated gas;

[0040] The associated gas after impurities are removed is passed into the desulfurizer for desulfurization and then sent to the burner;

[0041] The crude oil, light oil and water separated by the steam trap are collected through a liquid storage tank;

[0042] The control module controls the liquid discharge pump to discharge the liquid in the storage tank regularly according to the flow information;

[0043] The step of periodically controlling the liquid discharge pump to discharge the liquid in the liquid storage tank according to the flow information through the control module includes:

[0044] Start the liquid discharge pump according to the preset time:

[0045] Obtain flow information of the water outlet of the drainage pump;

[0046] The flow information is compared with a first preset value, and when the flow information is less than the first preset value, the cleaning mechanism is started to stir the liquid storage tank to increase the fluidity of the solid sediment.

[0047] In an optional implementation, the step of periodically controlling the liquid discharge pump to discharge the liquid from the liquid storage tank according to the flow information through the control module further includes:

[0048] When the flow information is less than the second preset value, the blocking plate is driven to descend at a preset speed so that the mixing tube is inserted below the liquid surface of the liquid storage tank. The drainage pump draws the liquid at the top of the liquid storage tank to the water inlet pipe of the drainage pump through the mixing tube, thereby increasing the fluidity of the sediment extracted by the drainage pump.

[0049] In an optional embodiment, after the blocking plate is driven to descend at a preset speed, the step of periodically controlling the liquid discharge pump to discharge the liquid in the liquid storage tank according to the flow information through the control module further includes:

[0050] After the received flow information is greater than the second preset value, the driving of the blocking plate to descend is stopped.

[0051] The beneficial effect of the present invention is that the pipeline detection and cleaning device, cleaning treatment system and associated gas purification method indirectly detect the fluidity of the liquid in the liquid storage tank and the degree of adhesion of solid sediment on the inner wall of the liquid storage tank by arranging a cleaning mechanism in the liquid storage tank and detecting the discharge flow of the drainage pump through a flow detection sensor. When the flow information is less than a first preset value, the cleaning mechanism is controlled to clean the liquid storage tank to reduce the adhesion of solid sediment on the inner wall of the liquid storage tank, thereby increasing the discharge efficiency of the drainage pump and reducing the workload of the drainage pump. At the same time, the liquid storage tank is automatically cleaned, which reduces the frequency of maintenance and thus reduces the maintenance cost.

[0052] Other features and advantages of the present invention will be described in the following description, and partly become apparent from the description, or understood by practicing the present invention. The purpose and other advantages of the present invention are realized and obtained by the structures particularly pointed out in the description, claims and drawings.

[0053] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, this article specifically cites preferred embodiments and provides detailed descriptions as follows in conjunction with the attached drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0054] In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0055] Figure 1 A schematic diagram of the structure of a cleaning system provided by an embodiment of the present disclosure;

[0056] Figure 2 A cross-sectional view of a cleaning system provided by an embodiment of the present disclosure;

[0057] Figure 3 for Figure 2 The enlarged view of point A in the middle;

[0058] Figure 4 A schematic diagram of a portion of the structure of a cleaning mechanism provided in an embodiment of the present disclosure;

[0059] Figure 5 A schematic diagram of the structure of another part of the cleaning mechanism provided in an embodiment of the present disclosure;

[0060] Figure 6 A flow chart of the associated gas purification method provided in an embodiment of the present disclosure.

[0061] In the figure: 100, liquid storage tank; 200, cleaning mechanism; 210, rotary drive unit; 220, rotating wheel; 230, connecting rod; 240, blocking plate; 250, stirring blade; 260, lifting sleeve; 270, threaded shaft; 280, lifting drive unit; 290, mixing pipe; 251, L-shaped blade; 300, drainage pump; 310, water outlet; 400, tubular condenser; 500, steam trap; 600, desulfurizer. DETAILED DESCRIPTION

[0062] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0063] It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings. In addition, in the drawings, the thickness of the components may be exaggerated or reduced in order to effectively describe the technical content.

[0064] Some embodiments of the present invention are described in detail below in conjunction with the accompanying drawings. In the absence of conflict, the following embodiments and features in the embodiments can be combined with each other.

[0065] See also Figure 1 and Figure 2 At least one embodiment provides a pipeline detection and cleaning device, including: a liquid storage tank 100; a cleaning mechanism 200, which is arranged in the liquid storage tank 100; a drainage pump 300, which is connected to the drainage port of the liquid storage tank 100; a flow detection sensor, which is arranged at the water outlet 310 of the drainage pump 300; a control module, which is configured to receive flow information detected by the flow detection sensor, and when the flow information is less than a first preset value, control the cleaning mechanism 200 to clean the liquid storage tank 100 to reduce the adhesion of solid sediment to the inner wall of the liquid storage tank 100. By arranging the cleaning mechanism 200 in the liquid storage tank 100 and detecting the discharge flow of the liquid discharge pump 300 through the flow detection sensor, the fluidity of the liquid in the liquid storage tank 100 and the degree of adhesion of the solid sediment on the inner wall of the liquid storage tank 100 are indirectly detected, that is, when the discharge flow decreases, it indicates that the accumulation of solid sediment inside the liquid storage tank 100 increases, the fluidity of the liquid decreases, and the solid sediment adhered to the inner wall of the liquid storage tank 100 increases. When the flow information is less than the first preset value, the cleaning mechanism 200 is controlled to clean the liquid storage tank 100 to reduce the adhesion of solid sediment on the inner wall of the liquid storage tank 100, thereby increasing the discharge efficiency of the liquid discharge pump 300 and reducing the workload of the liquid discharge pump 300. At the same time, the liquid storage tank 100 is automatically cleaned, the maintenance frequency is reduced, and the maintenance cost is reduced.

[0066] See also Figure 2 and Figure 3In some embodiments, the cleaning mechanism 200 includes: a rotation driving unit 210, a rotating wheel 220, a connecting rod 230, a blocking disk 240 and a stirring blade 250; the rotating wheel 220 is arranged opposite to the blocking disk 240, and the rotating wheel 220 is rotatably arranged on the top of the liquid storage tank 100, and the blocking disk 240 is arranged in the liquid storage tank 100; one end of the connecting rod 230 is connected to the rotating wheel 220, and the other end is connected to the blocking disk 240; the stirring blade 250 is arranged below the blocking disk 240 and connected to the blocking disk 240; the rotation driving unit 210 is suitable for driving the rotating wheel 220 to rotate, thereby driving the blocking disk 240 and the stirring blade 250 to rotate. The stirring blade 250 is driven to rotate by the rotary drive unit 210. On the one hand, the solid sediment in the liquid storage tank 100 is cleaned and the amount of solid sediment adhering to the inner wall of the liquid storage tank 100 is reduced. On the other hand, the fluidity of the solid sediment is increased by stirring, thereby improving the discharge efficiency of the discharge pump 300 and reducing the workload of the discharge pump 300.

[0067] It should be noted that, by providing the blocking disk 240 , the solid precipitate is separated from the liquid, thereby reducing the adhesion area of ​​the solid precipitate.

[0068] It should be noted that, in order to clean the solid sediments adhered to the bottom wall and the inner wall of the liquid storage tank 100, in a preferred embodiment, the stirring blade 250 includes a plurality of L-shaped blades 251; the L-shaped blades 251 are respectively in contact with the bottom wall and the inner wall of the liquid storage tank 100. Since the stirring blade 250 is respectively in contact with the bottom wall and the inner wall of the liquid storage tank 100, when the stirring blade 250 rotates, the solid sediments adhered to the bottom wall and the inner wall of the liquid storage tank 100 can be scraped off.

[0069] See also Figure 2-Figure 5In some embodiments, the cleaning mechanism 200 further includes a lifting sleeve 260, a threaded shaft 270 and a lifting drive unit 280; one end of the threaded shaft 270 is rotatably disposed on the top of the liquid storage tank 100, and the other end extends into the liquid storage tank 100 and is threadedly connected to the lifting sleeve 260; the lifting sleeve 260 is rotatably disposed on the top surface of the blocking disk 240; the top of the stirring blade 250 passes through the blocking disk 240 and is slidably connected to the blocking disk 240; the lifting drive unit 280 is configured to move the stirring blade 250 upward and downward, and the stirring blade 250 moves ... The part 280 is suitable for driving the threaded shaft 270 to rotate, thereby driving the lifting sleeve 260 to lift and lower, and then driving the blocking plate 240 to lift and lower along the stirring blade 250; the outer wall of the lifting sleeve 260 is also fixedly provided with a mixing tube 290; one end of the mixing tube 290 extends into the liquid storage tank 100, and the other end is connected to the water inlet pipe of the displacement pump 300; the control module is also configured to drive the lifting drive part 280 to work, thereby driving the mixing tube 290 to lift and lower along the liquid storage tank 100.

[0070] Specifically, the control module drives the lifting drive unit 280 to work, thereby driving the mixing tube 290 to move up and down along the liquid storage tank 100, that is, when the flow information received by the control module is less than the second preset value, the lifting drive unit is driven to work, driving the blocking plate 240 to descend, so that the mixing tube 290 is inserted below the liquid surface of the liquid storage tank 100, until the flow information received by the control module is greater than the second preset value, and then the lifting drive unit is controlled to stop working. When the flow information is less than the second preset value, the liquid discharge pump 300 draws the liquid at the top of the liquid storage tank 100 into the liquid discharge pump 300 through the mixing tube 290, further increasing the fluidity of the solid sediment, improving the liquid discharge efficiency of the liquid discharge pump 300, and reducing the workload of the liquid discharge pump 300.

[0071] It should be noted that the second preset value is smaller than the first preset value, and when the flow information received by the control module is smaller than the second preset value, the control module drives the lifting drive unit and the rotating drive unit to work simultaneously.

[0072] Please continue reading Figure 1At least one embodiment further provides a cleaning treatment system, comprising: a tubular condenser 400, a desulfurizer 600 and the pipeline detection and cleaning device as described above; the tubular condenser 400 is spirally arranged on the outer wall of the liquid storage tank 100, and the removal port of the tubular condenser 400 is connected to the liquid storage tank 100 through a steam trap 500; the desulfurizer 600 is arranged above the liquid storage tank 100 and is connected to the air outlet of the tubular condenser 400. By setting a cleaning mechanism 200 in the liquid storage tank 100 and detecting the discharge flow of the drainage pump 300 through a flow detection sensor, the fluidity of the liquid in the liquid storage tank 100 and the degree of adhesion of solid sediments on the inner wall of the liquid storage tank 100 are indirectly detected. When the flow information is less than a first preset value, the cleaning mechanism 200 is controlled to clean the liquid storage tank 100 to reduce the adhesion of solid sediments on the inner wall of the liquid storage tank 100, thereby increasing the discharge efficiency of the drainage pump 300 and reducing the workload of the drainage pump 300. At the same time, the liquid storage tank 100 is automatically cleaned, which reduces the frequency of maintenance and thus reduces the maintenance cost.

[0073] Among them, the model of steam trap 500 is FT44-DN20.

[0074] See also Figure 6 At least one embodiment further provides an associated gas purification method, by arranging a cleaning mechanism 200 in the liquid storage tank 100 and detecting the discharge flow of the liquid discharge pump 300 through a flow detection sensor, thereby indirectly detecting the fluidity of the liquid in the liquid storage tank 100 and the degree of adhesion of solid precipitates on the inner wall of the liquid storage tank 100. When the flow information is less than a first preset value, the cleaning mechanism 200 is controlled to clean the liquid storage tank 100 to reduce the adhesion of solid precipitates on the inner wall of the liquid storage tank 100, thereby increasing the discharge efficiency of the liquid discharge pump 300 and reducing the workload of the liquid discharge pump 300. At the same time, the liquid storage tank 100 is automatically cleaned, which reduces the frequency of maintenance and thus reduces the maintenance cost.

[0075] Specifically, the associated gas purification method comprises the following steps:

[0076] S110: introducing the associated gas into the tubular condenser 400 to cool and remove crude oil, light oil and water in the associated gas;

[0077] S120: The associated gas after impurities are removed is passed into the desulfurizer 600 for desulfurization and then sent to the burner;

[0078] S130: collecting the crude oil, light oil and water separated by the steam trap 500 through the liquid storage tank 100;

[0079] S140: Regularly controlling the liquid discharge pump 300 to discharge the liquid in the liquid storage tank 100 according to the flow information through the control module;

[0080] Specifically, step S140 includes the following steps:

[0081] S141: Start the liquid discharge pump 300 according to the preset time:

[0082] S142: Obtaining flow information of the water outlet 310 of the drainage pump 300;

[0083] S143: Compare the flow information with the first preset value, and when the flow information is less than the first preset value, start the cleaning mechanism 200 to stir the liquid storage tank 100 to increase the fluidity of the solid sediment.

[0084] S144: When the flow information is less than the second preset value, the blocking disk 240 is driven to descend at a preset speed so that the mixing tube 290 is inserted below the liquid surface of the liquid storage tank 100, and the drainage pump 300 draws the liquid at the top of the liquid storage tank 100 to the water inlet pipe of the drainage pump 300 through the mixing tube 290, thereby increasing the fluidity of the sediment extracted by the drainage pump 300.

[0085] In a preferred embodiment, after driving the blocking plate 240 to descend at a preset speed, step S140 further includes:

[0086] S145: After the received flow information is greater than the second preset value, stop driving the blocking plate 240 to descend.

[0087] In summary, the present invention provides a pipeline detection and cleaning device, a cleaning treatment system and an associated gas purification method, wherein the pipeline detection and cleaning device comprises: a liquid storage tank 100; a cleaning mechanism 200, which is arranged in the liquid storage tank 100; a drainage pump 300, which is connected to the drainage port of the liquid storage tank 100; a flow detection sensor, which is arranged at the water outlet 310 of the drainage pump 300; a control module, which is configured to receive flow information detected by the flow detection sensor, and when the flow information is less than a first preset value, control the cleaning mechanism 200 to clean the liquid storage tank 100 to reduce the adhesion of solid sediment to the inner wall of the liquid storage tank 100. By setting a cleaning mechanism 200 in the liquid storage tank 100 and detecting the discharge flow of the drainage pump 300 through a flow detection sensor, the fluidity of the liquid in the liquid storage tank 100 and the degree of adhesion of solid sediments on the inner wall of the liquid storage tank 100 are indirectly detected. When the flow information is less than a first preset value, the cleaning mechanism 200 is controlled to clean the liquid storage tank 100 to reduce the adhesion of solid sediments on the inner wall of the liquid storage tank 100, thereby increasing the discharge efficiency of the drainage pump 300 and reducing the workload of the drainage pump 300. At the same time, the liquid storage tank 100 is automatically cleaned, which reduces the frequency of maintenance and thus reduces the maintenance cost.

[0088] Based on the above ideal embodiments of the present invention, the relevant staff can make various changes and modifications without departing from the technical concept of the present invention through the above description. The technical scope of the present invention is not limited to the contents of the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. A pipeline detection and cleaning device, characterized in that: include: Fluid reservoir (100); A cleaning mechanism (200) disposed in the liquid storage tank (100); A liquid discharge pump (300) connected to the liquid discharge port of the liquid storage tank (100); A flow detection sensor, which is arranged at the water outlet (310) of the liquid discharge pump (300); a control module electrically connected to the flow detection sensor and configured to receive flow information detected by the flow detection sensor, and when the flow information is less than a first preset value, control the cleaning mechanism (200) to clean the liquid storage tank (100) to reduce the adhesion of solid sediments to the inner wall of the liquid storage tank (100); The cleaning mechanism (200) comprises: A rotary drive unit (210), a rotating wheel (220), a connecting rod (230), a blocking disk (240), and a stirring blade (250); The rotating wheel (220) and the blocking disk (240) are arranged opposite to each other, and the rotating wheel (220) is rotatably arranged on the top of the liquid storage tank (100), and the blocking disk (240) is arranged inside the liquid storage tank (100); One end of the connecting rod (230) is connected to the rotating wheel (220), and the other end is connected to the blocking disk (240); The stirring blade (250) is disposed below the blocking disk (240) and is connected to the blocking disk (240); The rotary drive unit (210) is suitable for driving the rotating wheel (220) to rotate, thereby driving the blocking disk (240) and the stirring blade (250) to rotate; The cleaning mechanism (200) further comprises a lifting sleeve (260), a threaded shaft (270), and a lifting drive unit (280); One end of the threaded shaft (270) is rotatably disposed on the top of the liquid storage tank (100), and the other end extends into the liquid storage tank (100) and is threadedly connected to the lifting sleeve (260); The lifting sleeve (260) is rotatably disposed on the top surface of the blocking disk (240); The top of the stirring blade (250) passes through the blocking disk (240) and is slidably connected to the blocking disk (240); The lifting drive unit (280) is suitable for driving the threaded shaft (270) to rotate, thereby driving the lifting sleeve (260) to move up and down, and further driving the blocking plate (240) to move up and down along the stirring blade (250); A mixing flow pipe (290) is also fixedly disposed on the outer side wall of the lifting sleeve (260); One end of the mixing pipe (290) extends into the liquid storage tank (100), and the other end is connected to the water inlet pipe of the liquid discharge pump (300); The control module is further configured to drive the lifting drive unit (280) to operate, thereby driving the mixing flow tube (290) to rise and fall along the liquid storage tank (100).

2. The pipeline detection and cleaning device according to claim 1, characterized in that: The stirring blade (250) includes a plurality of L-shaped blades (251); The L-shaped blades (251) are respectively fitted with the bottom wall and the inner wall of the liquid storage tank (100).

3. The pipeline detection and cleaning device according to claim 1, characterized in that: The control module drives the lifting drive unit (280) to work, thereby driving the mixing pipe (290) to move up and down along the liquid storage tank (100), namely: When the flow information received by the control module is less than a second preset value, the lifting drive unit (280) is driven to operate, thereby driving the blocking plate (240) to descend, so that the mixing tube (290) is inserted below the liquid surface of the liquid storage tank (100), until the flow information received by the control module is greater than the second preset value, and then the lifting drive unit (280) is controlled to stop operating.

4. The pipeline detection and cleaning device according to claim 3, characterized in that: The second preset value is less than the first preset value; and When the flow information received by the control module is less than a second preset value, the control module simultaneously drives the lifting drive unit (280) and the rotating drive unit (210) to operate.

5. A cleaning system, characterized in that: include: A tubular condenser (400), a desulfurizer (600), and a pipeline detection and cleaning device according to any one of claims 1 to 4; The tubular condenser (400) is spirally arranged on the outer wall of the liquid storage tank (100), and the removal port of the tubular condenser (400) is connected to the liquid storage tank (100) through a steam trap (500); The desulfurizer (600) is arranged above the liquid storage tank (100) and is in communication with the gas outlet of the tube condenser (400).

6. A method for purifying associated gas, characterized in that: include: The associated gas is introduced into a tubular condenser (400) to cool and remove crude oil, light oil and water from the associated gas; The associated gas after impurities are removed is passed into a desulfurizer (600) for desulfurization and then sent to a burner; The crude oil, light oil and water separated by the steam trap (500) are collected through a liquid storage tank (100); Regularly controlling the liquid discharge pump (300) to discharge the liquid in the liquid storage tank (100) according to the flow information through the control module; The step of periodically controlling the liquid discharge pump (300) to discharge the liquid in the liquid storage tank (100) according to the flow information through the control module comprises: The liquid discharge pump (300) is started to work according to the preset time: Obtaining flow information of a water outlet (310) of a liquid discharge pump (300); The flow information is compared with a first preset value, and when the flow information is less than the first preset value, the cleaning mechanism (200) is started to stir the liquid storage tank (100) to increase the fluidity of the solid sediment; Wherein, the cleaning mechanism (200) comprises: A rotary drive unit (210), a rotating wheel (220), a connecting rod (230), a blocking disk (240), and a stirring blade (250); The rotating wheel (220) and the blocking disk (240) are arranged opposite to each other, and the rotating wheel (220) is rotatably arranged on the top of the liquid storage tank (100), and the blocking disk (240) is arranged inside the liquid storage tank (100); One end of the connecting rod (230) is connected to the rotating wheel (220), and the other end is connected to the blocking disk (240); The stirring blade (250) is disposed below the blocking disk (240) and is connected to the blocking disk (240); The rotary drive unit (210) is suitable for driving the rotating wheel (220) to rotate, thereby driving the blocking disk (240) and the stirring blade (250) to rotate; The step of periodically controlling the liquid discharge pump (300) to discharge the liquid from the liquid storage tank (100) through the control module according to the flow information further includes: When the flow information is less than a second preset value, the blocking disk (240) is driven to descend at a preset speed, so that the mixing tube (290) is inserted below the liquid surface of the liquid storage tank (100), and the drainage pump (300) pumps the liquid at the top of the liquid storage tank (100) to the water inlet pipe of the drainage pump (300) through the mixing tube (290), thereby increasing the fluidity of the sediment extracted by the drainage pump (300).

7. The associated gas purification method according to claim 6, characterized in that: After driving the blocking disk (240) to descend at a preset speed, the step of periodically controlling the liquid discharge pump (300) to discharge the liquid in the liquid storage tank (100) according to the flow information through the control module further includes: After the received flow information is greater than a second preset value, the blocking plate (240) is stopped from being driven downward.

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