Air floatation separation device for well washing sewage treatment

Abstract

The application provides a gas floatation separation device for well washing sewage treatment, relates to the technical field of sewage treatment and comprises a main box body, a top frame fixedly connected to the top of the main box body, a water collecting pipe fixedly connected to the right end of the main box body, a servo motor A fixedly connected to the top of the top frame, a belt pulley arranged at the bottom end of the rotating shaft of the servo motor A through coaxial connection, an aerator fixedly connected to the bottom of the top frame, a nitrogen generator fixedly connected to the vertical surface of the right side of the main box body, a gas pump fixedly connected to the front end of the nitrogen generator, a gas injection pipe fixedly connected to the top of the aerator, an electromagnetic valve arranged in the gas injection pipe through flange connection and nitrogen injection into the aerator impeller, sewage foaming by increasing the nitrogen content, reduction of external oxygen dissolution and reduction of the corrosiveness of back-annulus water are achieved, and the problem that the traditional gas floatation separation device is inconvenient to reduce the dissolved oxygen in back-annulus water is solved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of sewage treatment, in particular to a gas floatation separation device for well washing sewage treatment. BACKGROUND

[0002] When the reservoir water injection does not reach the planned injection volume, the water injection well must be backwashed to remove the solids and biological membrane deposited on the filter screen, at this time, well washing wastewater is produced, oxygen plays a depolarization role in electrochemical corrosion, and will also exacerbate the corrosion caused by hydrogen sulfide, the presence of dissolved oxygen will also convert Fe2+ into Fe3+, which is also not conducive to reinjection, in addition, dissolved oxygen can also accelerate the reproduction speed of aerobic bacteria, and make biological corrosion more severe, the reinjection water needs to reduce the content of dissolved oxygen, hydrogen sulfide and carbon dioxide in it to reduce its corrosiveness, the existing gas floatation separation device is not convenient for reducing the reaction reduction of sulfuric acid salts in sewage and hydrocarbons in crude oil into hydrogen sulfide, the existing device is not convenient for reducing the content of dissolved oxygen and carbon dioxide in the reinjection water, and is not convenient for reducing the corrosiveness of the metal protective film, and is not convenient for recycling after sewage treatment, and the existing separation device is not convenient for using wind power to drive the aeration machine to operate, and is not convenient for saving electricity and reducing cost.

[0003] Therefore, a gas floatation separation device for well washing sewage treatment is needed to reduce the corrosiveness of the reinjection water. SUMMARY

[0004] Therefore, the present application provides a gas floatation separation device for well washing sewage treatment, nitrogen can be injected into the aeration machine impeller through the setting of the gas injection pipe, the sewage can be foamed by increasing the nitrogen content, the external oxygen dissolution can be reduced, and the corrosiveness of the reinjection water can be reduced.

[0005] The present application provides a gas floatation separation device for well washing sewage treatment, which specifically comprises: a main box body; the bottom of the main box body is fixedly connected with a base; the top of the base is fixedly connected with an outer support; the left end of the main box body is fixedly connected with a water inlet pipe, and a control valve is arranged in the water inlet pipe through flange connection; a heating barrel is fixedly connected in the main box body, and the bottom left end of the heating barrel is fixedly connected with the water inlet pipe; a spiral heating pipe is fixedly connected to the inner side of the heating barrel; a top frame is fixedly connected to the top of the main box body, and a water collecting pipe is fixedly connected to the right end of the main box body; a servo motor A is fixedly connected to the top of the top frame, and a belt pulley is coaxially connected to the bottom end of the rotating shaft of the servo motor A; an aeration machine is fixedly connected to the bottom of the top frame; a transmission belt pulley is coaxially connected to the top of the transmission belt pulley; a connecting rod is coaxially connected to the top of the transmission belt pulley; and an external heating pipe is fixedly connected to the bottom of the inner side of the main box body.

[0006] Optionally, a bottom support is fixedly connected to the top of the top frame, an outer pipe is fixedly connected to the top of the bottom support, the outer curved side of the outer pipe is fixedly connected to the top of the outer support, and a sliding groove is formed in the outer curved side of the outer pipe.

[0007] Optionally, the outer tube is provided with a sleeve outside through sliding connection, the sleeve is provided in two groups, the inner side of the sleeve is fixedly connected with an inner rib, and the sliding groove is in sliding connection with the inner rib.

[0008] Optionally, the sleeve is fixedly connected with a clamping piece at the bottom end, the inner side of the clamping piece is provided with a bolt, and the inner side of the clamping piece is provided with a guard plate.

[0009] Optionally, the main box body is fixedly connected with a nitrogen generator at the right side vertical surface, the nitrogen generator is fixedly connected with an air pump at the front end, the aerator is fixedly connected with a gas injection pipe at the top, and the gas injection pipe is provided with an electromagnetic valve inside through flange connection.

[0010] Optionally, the main box body is provided with a floating frame inside through sliding connection, the floating frame is provided with sliding rails at the left and right sides through sliding connection, and the outer side of the sliding rails is fixedly connected with the left and right side vertical surfaces inside the main box body.

[0011] Optionally, the floating frame is provided with a paddle conveyor belt inside through rotary connection, the main box body is fixedly connected with a reciprocating screw at the right side, and the ball nut seat bottom of the reciprocating screw is fixedly connected with the top of the floating frame.

[0012] Optionally, the main box body is fixedly connected with a detection box at the top, the detection box is fixedly connected with a sliding variable resistance coil inside, the detection box is fixedly connected with a sliding pipe at the bottom, the sliding pipe is provided with a sleeve rod inside through sliding connection, the sleeve rod is fixedly connected with a floating plate at the bottom end, and the sleeve rod is fixedly connected with a sliding piece at the top.

[0013] Optionally, the main box body is fixedly connected with a collecting pipe at the right end, the collecting pipe is fixedly connected with a servo motor B at the side end, the collecting pipe is provided with a stirring auger rod inside through rotary connection, the stirring auger rod is coaxially connected with the rotating shaft of the servo motor B, and the collecting pipe is fixedly connected with a slag discharge pipe at the bottom end.

[0014] Optionally, the outer tube is provided with a sandglass-shaped pipe at the top through rotary connection, the sandglass-shaped pipe is provided with a conduction fan blade inside through rotary connection, the conduction fan blade is provided with a bevel gear B at the right end through coaxial connection, the bevel gear B is in meshing connection with the bevel gear A, and the sandglass-shaped pipe is fixedly connected with a guide plate at the top.

[0015] Advantages

[0016] Compared with the conventional separation device, the separation device provided by the embodiments of the present application can heat the sewage by starting the external heating pipe and the spiral heating pipe, can reduce the solubility of carbon dioxide in the sewage, can reduce the corrosion of carbon dioxide, can prevent the reduction of the pH value of the well washing water and the damage to the metal protective film, can reduce the hydrogen sulfide reduced from the reaction of the sulfate in the sewage and the hydrocarbon in the crude oil by heating, can reduce the corrosion of the metal protective film, and is convenient for recycling after sewage treatment.

[0017] In addition, by setting the sleeve, moving the main box to the inside of the mobile board house, opening the hole in the top of the board house, extending the outer pipe top above the top of the board house, passing the two sets of guard plates through the inside bolts of the clamping piece, and then mutually abutting the two sets of sleeves above and below the ceiling of the board house, clamping and fixing the two sets of clamping pieces to the ceiling of the board house through the bolts, the guard plates can be cooperated with the sleeve to shield the hole in the top of the board house, which can improve the firmness of the outer pipe and the board house while preventing rain leakage.

[0018] In addition, by setting the gas injection pipe, nitrogen can be injected into the impeller of the aerator, the sewage can be foamed by increasing the nitrogen content, the external oxygen dissolution can be reduced, and the corrosion of the re-injection water can be reduced.

[0019] In addition, by setting the conduction fan blade, the guide plate can be parallel to the wind direction by passing the external wind through the hourglass-shaped pipe, the conduction fan blade can be rotated by the wind, the bevel gear B can be rotated by the conduction fan blade, the bevel gear A can be rotated by the bevel gear B, the connecting rod can be rotated by the bevel gear A, the aerator rotor can be rotated by the connecting rod, the aerator can be operated by wind power, and the power consumption and cost can be saved.

[0020] In addition, by setting the stirring dragon rod, the floating scum can be scraped into the collecting pipe by the sleeve pushing piece conveyor, the stirring dragon rod can be rotated by the operation of the servo motor B, the floating sludge can be transported to the sludge discharge pipe, and the floating sludge can be continuously discharged.

[0021] In addition, by setting the spring rod, the transmission belt wheel can be rotated by the operation of the servo motor A through the belt drive, the solid speed wheel can be rotated at high speed by the transmission belt wheel, the spring rod can slide outward by centrifugal force, the spring rod can slide into the limiting groove, the aerator rotor coaxial with the bottom of the solid pipe can be rotated by the solid speed wheel, when the servo motor A is turned off, the connecting rod is rotated by the wind power, the rotation speed is lower than the transmission speed of the servo motor A, the centrifugal force is low, the spring rod is retracted into the solid speed wheel, the solid speed wheel is disconnected from the transmission of the solid pipe, the connecting rod is prevented from rotating the transmission belt wheel, and the operation resistance is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings of the embodiments will be briefly introduced below.

[0023] The drawings in the following description only relate to some embodiments of the present application, and are not limited to the present application.

[0024] In the drawings:

[0025] Figure 1 Fig. 4 shows a schematic diagram of a partial enlarged view of the separation device according to the first embodiment of the present application;

[0026] Figure 2 Fig. 5 shows a schematic diagram of a left side perspective view of the separation device according to the first embodiment of the present application; Figure 1

[0027] Figure 3 Fig. 6 shows a schematic diagram of a partial enlarged view of the separation device according to the first embodiment of the present application;

[0028] Figure 4 Fig. 7 shows a schematic diagram of a side cross-sectional perspective view of the main box of the separation device according to the first embodiment of the present application; Figure 3

[0029] Figure 5 Fig. 8 shows a schematic diagram of a side cross-sectional perspective view of the detection box of the separation device according to the first embodiment of the present application;

[0030] Figure 6 Fig. 9 shows a schematic diagram of a rear side perspective view of the separation device according to the first embodiment of the present application;

[0031] Figure 7 Fig. 10 shows a schematic diagram of a side cross-sectional perspective view of the sandglass-shaped tube of the separation device according to the second embodiment of the present application;

[0032] Figure 8 Fig. 11 shows a schematic diagram of a perspective exploded view of the fixed-speed wheel of the separation device according to the second embodiment of the present application;

[0033] Figure 9 Fig. 12 shows a schematic diagram of a perspective exploded view of the fixed-speed wheel of the separation device according to the second embodiment of the present application;

[0034] List of reference signs

[0035] 1. main box;

[0036] 101. base; 1011. outer support; 102. water inlet pipe; 103. heating barrel; 1031. spiral heating pipe; 104. water collecting pipe; 105. detection box; 1051. sliding variable resistance coil; 1052. sliding pipe; 1053. floating plate; 1054. sliding sheet;

[0037] 2. top frame;

[0038] ​​201, servo motor A; 202, aerator; 2021, transmission pulley; 2022, connecting rod; 2023, bevel gear A; 203, gas injection pipe; 2031, electromagnetic valve; 204, sleeve; 2041, inner edge; 2042, clamping piece; 205, guard plate; 206, bottom support; 2061, outer tube; 2062, chute; 207, fixed speed wheel; 2071, spring rod; 208, outer fixed tube; 2081, limiting groove;

[0039] 3, nitrogen generator;

[0040] 301, air pump;

[0041] 4, external heating pipe;

[0042] 5, floating frame;

[0043] 501, slide rail; 502, push piece conveyor belt;

[0044] 6, reciprocating screw;

[0045] 7, collection pipe;

[0046] 701, servo motor B; 702, stirring dragon rod; 703, slag discharge pipe;

[0047] 8, hourglass type pipe;

[0048] 801, conduction fan blade; 8011, bevel gear B; 802, guide plate; 803, solar top plate. DETAILED DESCRIPTION

[0049] In order to make the purpose, scheme and advantages of the technical solutions of the present application clearer, the technical solutions of the embodiments of the present application will be described clearly and completely in the following with reference to the drawings of specific embodiments of the present application. Unless otherwise specified, the terms used herein have the usual meanings in the art. The same reference numerals in the drawings represent the same components.

[0050] Example one: please refer to Figures 1 to 7 :

[0051] The application provides a gas floatation separation device for well washing sewage treatment, which comprises a main box body 1, a base 101 fixedly connected to the bottom of the main box body 1, an outer support 1011 fixedly connected to the top of the base 101, a water inlet pipe 102 fixedly connected to the left end of the main box body 1, a control valve arranged in the water inlet pipe 102 through flange connection, a heating barrel 103 fixedly connected to the inside of the main box body 1, the bottom left end of the heating barrel 103 being fixedly connected to the water inlet pipe 102, a spiral heating pipe 1031 fixedly connected to the inside of the heating barrel 103, a top support 2 fixedly connected to the top of the main box body 1, a water collecting pipe 104 fixedly connected to the right end of the main box body 1, a servo motor A 201 fixedly connected to the top of the top support 2, a belt pulley coaxially arranged at the bottom end of the rotating shaft of the servo motor A 201, an aerator 202 fixedly connected to the bottom of the top support 2, a transmission belt pulley 2021 coaxially arranged at the top of the rotor of the aerator 202, a connecting rod 2022 coaxially arranged at the top of the transmission belt pulley 2021, and an outer heating pipe 4 fixedly connected to the bottom of the inside of the main box body 1, the outer heating pipe 4 and the spiral heating pipe 1031 being started to heat the sewage, reduce the solubility of carbon dioxide in the sewage, reduce the corrosion of carbon dioxide, prevent the reduction of the pH value of well washing water, prevent the damage of the protective film of metal, reduce the hydrogen sulfide reduced by the reaction of sulfate in water and hydrocarbon in crude oil, reduce the corrosion of the protective film of metal, and facilitate the recycling of the treated sewage.

[0052] As shown in the figure, Figures 1 to 6 The top of the top support 2 is fixedly connected with a bottom support 206, the top of the bottom support 206 is fixedly connected with an outer pipe 2061, the outer curved side of the outer pipe 2061 is fixedly connected with the top of the outer support 1011, the outer curved side of the outer pipe 2061 is provided with a sliding groove 2062, the outer side of the outer pipe 2061 is provided with a sleeve 204 through sliding connection, the sleeve 204 is provided in two groups, the inner curved side of the sleeve 204 is fixedly connected with an inner edge 2041, the sliding groove 2062 is in sliding connection with the inner edge 2041, the bottom end of the sleeve 204 is fixedly connected with a clamping piece 2042, the inside of the clamping piece 2042 is provided with a bolt, and the inside of the clamping piece 2042 is provided with a guard plate 205. After the main box body 1 is moved into the movable board room, the top of the board room is provided with an opening, the top of the outer pipe 2061 is extended above the top of the board room, the two groups of guard plates 205 are passed through the bolts in the inside of the clamping piece 2042, the two groups of sleeves 204 are respectively butted above and below the ceiling of the board room, and the two groups of clamping pieces 2042 are fixedly clamped to the ceiling of the board room through bolts. The guard plate 205 and the sleeve 204 can be cooperated to shield the opening in the top of the board room, the firmness of the outer pipe 2061 and the board room can be improved, and rainwater leakage can be prevented.

[0053] As shown in the figure, Figures 1 to 7As shown, the right side of the main box 1 is fixedly connected with a nitrogen generator 3, the front end of the nitrogen generator 3 is fixedly connected with a gas pump 301, the top of the aerator 202 is fixedly connected with a gas injection pipe 203, the inside of the gas injection pipe 203 is provided with an electromagnetic valve 2031 through flange connection, by starting the nitrogen generator 3, the nitrogen can be conducted to the gas pump 301, and by pressurizing the gas pump 301, the nitrogen can be transmitted to the bottom impeller of the aerator 202, and the sewage in the heating barrel 103 can be injected with nitrogen to foam.

[0054] As shown in Figure 6 , the top of the main box 1 is fixedly connected with a detection box 105, the inside of the detection box 105 is fixedly connected with a sliding resistance coil 1051, the bottom of the detection box 105 is fixedly connected with a sliding pipe 1052, the inside of the sliding pipe 1052 is provided with a sleeve rod through sliding connection, the bottom end of the sleeve rod is fixedly connected with a floating plate 1053, the top of the sleeve rod is fixedly connected with a sliding piece 1054, the inside of the main box 1 is provided with a floating frame 5 through sliding connection, the left and right sides of the floating frame 5 are provided with sliding rails 501 through sliding connection, the outside of the sliding rails 501 is fixedly connected with the left and right side vertical surfaces inside the main box 1, the inside of the floating frame 5 is provided with a paddle conveyor belt 502 through rotating connection, the right side of the main box 1 is fixedly connected with a reciprocating lead screw 6, the bottom of the ball nut seat of the reciprocating lead screw 6 is fixedly connected with the top of the floating frame 5, after the well washing sewage is injected into the inside of the main box 1 through the water inlet pipe 102, the floating plate 1053 is floated by the sewage buoyancy, the floating plate 1053 drives the sliding piece 1054 to slide upward, the sliding piece 1054 drives the sliding resistance coil 1051 to change the electric signal, the liquid level value is coupled with the electric signal, the detection box 105 drives the reciprocating lead screw 6 to servo operation, the floating frame 5 is vertically displaced by the ball nut seat of the reciprocating lead screw 6, and the horizontal height of the paddle conveyor belt 502 is adapted to the liquid level.

[0055] As shown in Figure 1 , the right end of the main box 1 is fixedly connected with a collecting pipe 7, the side end of the collecting pipe 7 is fixedly connected with a servo motor B701, the inside of the collecting pipe 7 is provided with a stirring dragon rod 702 through rotating connection, the stirring dragon rod 702 is coaxially connected with the rotating shaft of the servo motor B701, the bottom end of the collecting pipe 7 is fixedly connected with a residue discharge pipe 703, the floating scum is scraped to the inside of the collecting pipe 7 by the operation of the paddle conveyor belt 502, the stirring dragon rod 702 is rotated by the operation of the servo motor B701, the floating residue is transmitted to the residue discharge pipe 703, and the floating residue is continuously discharged.

[0056] Example two: please refer to Figures 8 to 9 :

[0057] The outer tube 2061 is provided with a sandglass-shaped tube 8 at the top through a rotating connection, the inside of the sandglass-shaped tube 8 is provided with a conduction fan blade 801 through a rotating connection, the right end of the conduction fan blade 801 is provided with a bevel gear B8011 through a coaxial connection, the bevel gear B8011 is engaged with the bevel gear A2023, the top of the sandglass-shaped tube 8 is fixedly connected with a guide plate 802, the guide plate 802 is parallel to the wind direction through the external wind force passing through the sandglass-shaped tube 8, the wind force can drive the conduction fan blade 801 to rotate, the conduction fan blade 801 can drive the bevel gear B8011 to rotate, the bevel gear B8011 can drive the bevel gear A2023 to rotate, the bevel gear A2023 can drive the connecting rod 2022 to rotate, the connecting rod 2022 can drive the rotor of the aerator 202 to rotate, the aerator 202 can be driven to operate by the wind force, and the power consumption can be saved and the cost can be reduced.

[0058] As shown in Figure 8 The top of the guide plate 802 is fixedly connected with a solar top plate 803, the inside of the transmission belt pulley 2021 is fixedly connected with a constant speed wheel 207, the curved side surface of the constant speed wheel 207 is provided with a circular groove, the inside of the circular groove is fixedly connected with a spring rod 2071, the outside of the constant speed wheel 207 is sleeved with an outer fixed tube 208, the inside of the outer fixed tube 208 is provided with a limiting groove 2081, the bottom of the outer fixed tube 208 is coaxially connected with the rotor of the aerator 202, the servo motor A201 is started to operate, and the belt drive can drive the transmission belt pulley 2021 to rotate, the transmission belt pulley 2021 can drive the constant speed wheel 207 to rotate at high speed, the spring rod 2071 can slide outward through centrifugal force, the spring rod 2071 can slide into the limiting groove 2081, and the constant speed wheel 207 can drive the rotor of the aerator 202 coaxially connected with the outer fixed tube 208 to rotate, when the servo motor A201 is turned off, the connecting rod 2022 is driven to rotate by the wind force, when the outer fixed tube 208 is driven to rotate, the rotation speed is lower than the transmission speed of the servo motor A201, the centrifugal force is low, the spring rod 2071 is retracted into the inside of the constant speed wheel 207, the constant speed wheel 207 can be disconnected from the transmission of the outer fixed tube 208, the connecting rod 2022 can be prevented from driving the transmission belt pulley 2021 to rotate, and the operating resistance can be reduced.

[0059] Specific use and role of the embodiment: in the application, when in use, the main box 1 is moved to the inside of the mobile board house, the top of the outer pipe 2061 is extended above the top of the board house after the opening of the top of the board house, the two sets of sleeves 204 are respectively butted above and below the ceiling of the board house after the two sets of guard plates 205 pass through the inside bolts of the clamping pieces 2042, the two sets of clamping pieces 2042 are bolted to the ceiling of the board house for clamping and fixing, the guard plate 205 and the sleeve 204 are cooperated to shield the opening of the top of the board house, which can improve the firmness of the outer pipe 2061 and prevent rainwater leakage, the float plate 1053 is floated by the sewage buoyancy after the sewage is injected into the main box 1 through the water inlet pipe 102, the float plate 1053 is driven to slide upwards by the sliding piece 1054, the sliding piece 1054 is driven to change the electric signal of the sliding variable resistance coil 1051, the liquid level value is coupled with the electric signal, the detection box 105 drives the reciprocating screw 6 to servo operation, the ball nut seat of the reciprocating screw 6 drives the float bracket 5 to vertically displace, the horizontal height of the paddle belt 502 is adapted to the liquid level, the nitrogen gas is conducted to the air pump 301 by starting the nitrogen generator 3, the nitrogen gas is transmitted to the bottom impeller of the aerator 202 by the air pump 301, the sewage in the heating barrel 103 is injected with nitrogen gas to foam, the sewage is heated by starting the outer heating pipe 4 and the spiral heating pipe 1031, the solubility of carbon dioxide in the sewage is reduced, the corrosion of carbon dioxide is reduced, the pH value of the well washing water is prevented from being reduced, the metal protective film is prevented from being damaged, the hydrogen sulfide reduced by the reaction of sulfate in water and hydrocarbon in crude oil is reduced, the corrosion of the metal protective film is reduced, the sewage is conveniently recycled after treatment, the guide plate 802 is parallel to the wind direction by external wind power, the conduction fan blade 801 is driven to rotate by the wind power, the bevel gear B8011 is driven to rotate by the conduction fan blade 801, the bevel gear A2023 is driven to rotate by the bevel gear B8011, the connecting rod 2022 is driven to rotate by the bevel gear A2023, the rotor of the aerator 202 is driven to rotate by the connecting rod 2022, the aerator 202 is driven to rotate by the wind power, and the electricity consumption is saved.

[0060] Finally, it should be noted that, in the description of the position of each component and the cooperation relationship therebetween, etc., one pair of components is usually taken as an example, however, those skilled in the art should understand that such position, cooperation relationship, etc. are also applicable to other components / other pairs of components. The above description is only exemplary embodiments of the application, and is not intended to limit the protection scope of the application, which is determined by the appended claims.

Claims

1. The flotation separation device for treating well-washing wastewater is characterized by: include: A main box (1); the bottom of the main box (1) is fixedly connected to a base (101); the top of the base (101) is fixedly connected to an external bracket (1011); the left end of the main box (1) is fixedly connected to a water inlet pipe (102), and a control valve is provided inside the water inlet pipe (102) via a flange connection; a heating barrel (103) is fixedly connected inside the main box (1), and the left end of the bottom of the heating barrel (103) is fixedly connected to the water inlet pipe (102); a spiral heating pipe (1031) is fixedly connected inside the heating barrel (103); the top of the main box (1) is fixedly connected to a top frame (2), and the right end of the main box (1) is fixedly connected to a water collecting pipe (104); the top frame (2) The top is fixedly connected to a servo motor A (201), and the bottom end of the rotating shaft of the servo motor A (201) is provided with a pulley through a coaxial connection; the bottom of the top frame (2) is fixedly connected to an aerator (202); the top of the rotor of the aerator (202) is provided with a transmission pulley (221) through a coaxial connection; the top of the transmission pulley (221) is provided with a connecting rod (222) through a coaxial connection; the bottom of the inner side of the main box (1) is fixedly connected to an external heating pipe (4); the top of the top frame (2) is fixedly connected to a bottom bracket (206), and the top of the bottom bracket (206) is fixedly connected to an outer tube (2061), and the outer curved side surface of the outer tube (2061) is connected to the outer bracket (101 1) The top is fixedly connected, and a sliding groove (2062) is provided on the outer curved side of the outer tube (2061); a sleeve (204) is provided on the outer side of the outer tube (2061) through a sliding connection, and the number of the sleeves (204) is set to two groups, and an inner ridge (2041) is fixedly connected on the inner curved side of the sleeve (204), and the sliding groove (2062) is slidably connected to the inner ridge (2041); a clamping piece (2042) is fixedly connected to the bottom end of the sleeve (204), a bolt is passed through the inner side of the clamping piece (2042), and a guard plate (205) is provided on the inner side of the clamping piece (2042); a floating frame (5) is provided on the inner side of the main box (1) through a sliding connection, and sliding plates are provided on the left and right sides of the floating frame (5) through a sliding connection. The outer side of the slide rail (501) is fixedly connected to the left and right vertical surfaces inside the main box (1); the inner side of the floating frame (5) is provided with a paddle conveyor belt (502) through a rotation connection, the right side of the main box (1) is fixedly connected to a reciprocating screw (6), and the bottom of the ball nut seat of the reciprocating screw (6) is fixedly connected to the top of the floating frame (5); the right end of the main box (1) is fixedly connected to a collecting pipe (7), the side end of the collecting pipe (7) is fixedly connected to a servo motor B (701), the inner side of the collecting pipe (7) is provided with an agitator rod (702) through a rotation connection, the agitator rod (702) is coaxially connected to the rotating shaft of the servo motor B (701), and the bottom end of the collecting pipe (7) is fixedly connected to a slag discharge pipe (703);An hourglass-shaped tube (8) is provided at the top of the outer tube (2061) through a rotational connection, a conduction fan blade (801) is provided inside the hourglass-shaped tube (8) through a rotational connection, a bevel gear B (8011) is provided at the right end of the conduction fan blade (801) through a coaxial connection, the bevel gear B (8011) is meshed with the bevel gear A (2023), and a guide plate (802) is fixedly connected to the top of the hourglass-shaped tube (8).

2. The air flotation separation device for treating well-washing wastewater according to claim 1, characterized in that: A nitrogen generator (3) is fixedly connected to the right vertical surface of the main box (1), an air pump (301) is fixedly connected to the front end of the nitrogen generator (3), an air injection pipe (203) is fixedly connected to the top of the aerator (202), and a solenoid valve (2031) is provided inside the air injection pipe (203) via a flange connection.

3. The air flotation separation device for treating well-washing wastewater according to claim 1, characterized in that: The top of the main box (1) is fixedly connected to a detection box (105), the inside of the detection box (105) is fixedly connected to a sliding variable resistance coil (1051), the bottom of the detection box (105) is fixedly connected to a sliding tube (1052), the inside of the sliding tube (1052) is provided with a sleeve rod through a sliding connection, the bottom end of the sleeve rod is fixedly connected to a floating plate (1053), and the top of the sleeve rod is fixedly connected to a sliding plate (1054).

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