CN219279669U - Petrochemical underground sewage treatment equipment - Google Patents

Abstract

The utility model discloses petrochemical underground sewage treatment equipment which comprises a water storage tank, wherein a water inlet is formed in the top of the left side of the front side of the water storage tank, a first filter screen is fixedly connected to the left side of an inner cavity of the water storage tank, an electrolysis mechanism is fixedly connected to the front side and the rear side of the inner cavity of the water storage tank, the electrolysis mechanism comprises two bases, one side of the inner walls of the water storage tank of the two bases is fixedly connected with the inner walls of the water storage tank, an electrode plate is fixedly connected between the inner cavities of the two bases, a drainage mechanism is communicated with the bottom of the right side of the inner cavity of the water storage tank, and the drainage mechanism comprises a drainage pipe. The utility model solves the problem that the existing sewage treatment equipment cannot accelerate the chemical reaction of disinfectant and sewage and clean the inner wall of a disinfection tank by arranging the water storage tank, the water inlet, the first filter screen, the drainage mechanism, the electrolysis mechanism, the cleaning mechanism, the L-shaped groove, the sewage outlet, the first water valve, the disinfection mechanism and the second water valve for matching use.

Description

Petrochemical underground sewage treatment equipment

Technical Field

The utility model belongs to the technical field of sewage treatment, and particularly relates to petrochemical underground sewage treatment equipment.

Background

The sewage treatment equipment is industrial equipment capable of effectively treating domestic sewage, industrial wastewater and the like in urban areas, and has important significance in improving ecological environment, improving urban grade and promoting economic development, and sewage and pollutants are prevented from directly flowing into water areas.

For example, application number: the utility model discloses CN202221342207.3 and discloses oil-containing sewage high-efficiency treatment equipment, which relates to the technical field of sewage cleaning. The sewage treatment device comprises a sewage storage mechanism and a treatment mechanism, wherein the sewage storage mechanism comprises a sewage tank provided with a sewage discharge pipe, and the treatment mechanism comprises a placing frame; the two placing frames are arranged, the bottom ends of the two placing frames are respectively fixed with the two ends of the top of the sewage pool, and a communicating block is fixedly connected between the two placing frames. According to the utility model, the connecting frame is lifted by the electric hydraulic cylinder, and the inclined dustpan is lifted from the sewage pool under the action of the connecting column and the tension steel chain, so that water in the inclined dustpan can sequentially pass through the oil filtering block and the oil penetrating net to be discharged under the action of gravity, so that most of floating grease is absorbed by the oil filtering block, the cleaning treatment of sewage is realized by using simple mechanical linkage instead of manual work, and the treatment effect of the grease in the sewage is indirectly improved.

Based on the search of the patent and the discovery of the sewage treatment equipment in combination with the prior art, the sewage treatment equipment, although having the problem of difficult blockage when filtering oily sewage, improves the filtering efficiency, can not effectively remove a large amount of out-of-standard compounds in the oily sewage only through a filtering mechanism, and lacks the disinfection measure to water quality.

In the petrochemical low-sewage treatment equipment provided by the utility model, in the sewage treatment process, a great amount of time is required to wait for chemical reaction of the disinfectant and the sewage after the disinfectant is put in the disinfection link of the sewage, so that the treatment efficiency in sewage treatment is reduced.

Disclosure of Invention

Aiming at the problems existing in the prior art, the utility model provides petrochemical underground sewage treatment equipment which is provided with a function of accelerating chemical reactions of disinfectant and sewage, and solves the problems that the existing sewage treatment equipment is not provided with the function of accelerating chemical reactions of disinfectant and sewage and cleaning the inner wall of a disinfection tank.

The utility model discloses petrochemical underground sewage treatment equipment, which comprises a water storage tank, wherein a water inlet is formed in the top of the left side of the front side of the water storage tank, a first filter screen is fixedly connected to the left side of the inner cavity of the water storage tank, an electrolysis mechanism is fixedly connected to the front side and the rear side of the inner cavity of the water storage tank, the electrolysis mechanism comprises two bases, one sides of the inner walls of the two bases are fixedly connected with the inner walls of the water storage tank, an electrode plate is fixedly connected between the inner cavities of the two bases, a water draining mechanism is communicated with the bottom of the right side of the inner cavity of the water storage tank, the water draining mechanism comprises a water draining pipe, the left side of the water draining pipe is communicated with the water storage tank, a positioning rod is fixedly connected to the inner cavity of the water draining pipe, a blade is movably connected to the left side of the positioning rod through a shaft pin, the left side of the blade is fixedly connected with a second filter screen, the left side of the top of the water draining pipe is fixedly connected with a brush, the brush head of the brush is contacted with the surface of the second filter screen, the right side of the water draining pipe is communicated with a first water valve, the right side of the first water valve is fixedly connected with a mechanism, the bottom of the water draining mechanism is communicated with the water valve, the second water valve is fixedly connected with the top of the water draining mechanism.

As the preferable mode of the utility model, the right side of the inner cavity of the reservoir is fixedly connected with an L-shaped groove, and the right side of the front side of the reservoir is provided with a sewage outlet.

As the preferable mode of the utility model, the cleaning mechanism comprises four positioning blocks, one side of each positioning block, which is close to the reservoir, is fixedly connected with the reservoir, one side, which is opposite to the two positioning blocks, is fixedly connected with a first bearing seat, a transmission rod is movably connected between one side, which is opposite to the two first bearing seats, gears are sleeved on the front side and the rear side of the surface of each transmission rod, chains are meshed between the surfaces of the two gears, a push plate is fixedly connected on the surface of each chain, and the front side of one transmission rod penetrates through the front side of each positioning block and is fixedly connected with a first motor, and the surface of each first motor is sleeved with the corresponding transmission rod.

As the preferred one of the utility model, the disinfection mechanism includes a disinfection tank, the top of the left side of the disinfection tank is communicated with a first water valve, the bottom of the right side of the disinfection tank is communicated with a second water valve, the top of the disinfection tank is fixedly connected with a second positioning shell, the inner cavity of the second positioning shell is fixedly connected with a second motor, the inner cavity of the disinfection tank is fixedly connected with a filter bed, the surface of the filter bed is provided with a chute, the output end of the second motor is fixedly connected with a rotary rod, the bottom of the rotary rod penetrates through the inner cavity of the disinfection tank and extends to the bottom of the filter bed and is movably connected with the bottom of the inner cavity of the disinfection tank, the surface of the rotary rod is fixedly connected with two positioning rings, the surface of the positioning rings is fixedly connected with a connecting rod, one side of the two connecting rods far away from the positioning rings is fixedly connected with a cleaning brush, and the surface of the disinfection tank is communicated with a dosing pipe.

As the preferable mode of the utility model, the bottom of the inner cavity of the disinfection tank is fixedly connected with a second bearing, and the inner cavity of the second bearing is movably connected with a rotating rod.

As the preferable mode of the utility model, the top of the administration tube is fixedly connected with four support rods, and a rain cover is fixedly connected between the tops of the four support rods.

As the preferable mode of the utility model, grooves are formed on two sides of the top of the electrode plate, and a lifting rod is movably connected between inner cavities of the two grooves through a shaft pin.

Compared with the prior art, the utility model has the following beneficial effects:

1. the utility model solves the problem that the existing sewage treatment equipment cannot accelerate the chemical reaction of disinfectant and sewage and clean the inner wall of a disinfection tank by arranging the water storage tank, the water inlet, the first filter screen, the drainage mechanism, the electrolysis mechanism, the cleaning mechanism, the L-shaped groove, the sewage outlet, the first water valve, the disinfection mechanism and the second water valve for matching use.

2. According to the utility model, sewage enters the water reservoir from the water inlet, then the sewage flows through the first filter screen, the first filter screen carries out preliminary filtration on larger sediment in the sewage, the sewage after precipitation enters the inner cavity of the water reservoir, the electrode plates in the water reservoir are electrified to carry out electrolysis on the sewage and generate chemical reaction with current, pollutant components in the sewage are generated into sediment and suspended matters insoluble in water through the reaction, meanwhile, when the sewage reacts with the current, air bubbles floating upwards are generated in the sewage to bring the suspended matters to the water surface of the sewage, the sediment is sunk into the bottom of the tank, after the sewage is fully electrolyzed, an operator opens the first water valve, the sewage passes through the second filter screen and the blade to enter the interior of the disinfection tank along the drain pipe, in the process, the blade drives the second filter screen to rotate, the surface of the second filter screen rubs with the brush, the sediment attached to the surface of the second electrode plates is removed, the drain pipe is prevented from being blocked, the sewage flowing through the water tank is further filtered, the positioning rod is arranged, the positioning effect of the blade is achieved, the base and the lifting effect is achieved, and the lifting effect is convenient.

3. According to the utility model, the transmission rod is driven to rotate through the rotation of the output end of the first motor, the transmission rod drives the gear to rotate, the gear drives the chain to rotate, the chain drives the push plate to move, the mixture of suspended matters and sewage on the water surface is pushed into the L-shaped groove, and then is discharged from the sewage outlet to other containers along the slope of the L-shaped groove for storage, and the limiting effect and the protecting effect on the first motor are achieved through the arrangement of the protective shell, and the limiting effect on the transmission rod is achieved through the cooperation of the positioning block and the first bearing seat.

4. According to the utility model, a user opens the first water valve, filtered sewage enters the disinfection tank through the first water valve, the sewage flows through the filtering bed composed of quartz sand, anthracite, magnetite, garnet and bauxite, residual bacteria, algae, viruses, oils, oxides of iron and manganese, radioactive particles, heavy metals and other substances are removed, the sewage after secondary filtration flows into the lower layer of the filtering bed, an operator inputs disinfectant from the opening of the administration tube, the second motor is started, the output end of the second motor rotates to drive the rotary rod to rotate, the rotary rod drives the positioning ring to rotate, the positioning ring drives the connecting rod to mix the sewage and the chemical agent in the disinfection tank, the sewage and the disinfectant are fully dissolved and react in an accelerated manner, the cleaning brush is driven to remove the residual chemical agent attached to the inner wall of the disinfection tank when the connecting rod rotates, the sewage treatment efficiency is improved, the limiting effect of the second motor is achieved through the second positioning shell, the limiting effect of the rotary rod is achieved through the arrangement of the second bearing seat, the protection effect of the administration tube is achieved through the cooperation of the support rod and the rain cover.

Drawings

FIG. 1 is a schematic view of a sewage treatment apparatus according to an embodiment of the present utility model;

FIG. 2 is a schematic cross-sectional view of a reservoir provided in an embodiment of the present utility model;

FIG. 3 is a front view of an electrolysis mechanism provided by an embodiment of the present utility model;

FIG. 4 is a top view of a cleaning mechanism provided by an embodiment of the present utility model;

FIG. 5 is an enlarged view of a portion of the structure shown at A in FIG. 4, provided by an embodiment of the present utility model;

FIG. 6 is a cross-sectional view of a drainage mechanism provided by an embodiment of the present utility model;

fig. 7 is a front cross-sectional view of a sterilization mechanism provided by an embodiment of the present utility model.

In the figure: 1. a reservoir; 2. a water inlet; 3. a first filter screen; 4. an electrolysis mechanism; 401. a base; 402. an electrode plate; 403. a lifting rod; 5. a cleaning mechanism; 501. a positioning block; 502. a first bearing seat; 503. a transmission rod; 504. a gear; 505. a chain; 506. a push plate; 507. a protective shell; 508. a first motor; 6. a first water valve; 7. a sterilizing mechanism; 701. a sterilization tank; 702. a second positioning shell; 703. a second motor; 704. a filter bed; 705. a rotating rod; 706. a cleaning brush; 707. a connecting rod; 708. a positioning ring; 709. a second bearing seat; 710. a administration tube; 711. a support rod; 712. a rain cover; 8. a second water valve; 9. a drainage mechanism; 901. a drain pipe; 902. a positioning rod; 903. a paddle; 904. a second filter screen; 905. a brush; 10. an L-shaped groove; 11. and a sewage outlet.

Detailed Description

For a further understanding of the utility model, its features and advantages, reference is now made to the following examples, which are illustrated in the accompanying drawings.

The structure of the present utility model will be described in detail with reference to the accompanying drawings.

As shown in fig. 1 to 7, the petrochemical underground sewage treatment device provided by the embodiment of the utility model comprises a water storage tank 1, wherein a water inlet 2 is formed in the top of the left side of the front side of the water storage tank 1, a first filter screen 3 is fixedly connected to the left side of the inner cavity of the water storage tank 1, an electrolysis mechanism 4 is fixedly connected to the front side and the rear side of the inner cavity of the water storage tank 1, the electrolysis mechanism 4 comprises two bases 401, one sides of the inner walls of the two bases 401 are fixedly connected with the inner walls of the water storage tank 1, an electrode plate 402 is fixedly connected between the inner cavities of the two bases 401, the bottom of the right side of the inner cavity of the water storage tank 1 is communicated with a water draining mechanism 9, the water draining mechanism 9 comprises a water draining pipe 901, the left side of the water draining pipe 901 is communicated with the water storage tank 1, a positioning rod 902 is fixedly connected to the inner cavity of the water draining pipe 901, a blade 903 is movably connected to the left side of the positioning rod 902 through a shaft pin, the left side of the blade 903 is fixedly connected with a second filter screen 904, the left side of the top of the water draining pipe 901 is fixedly connected with a brush, the brush head of the brush 905 is contacted with the surface of the second filter screen 904, the right side of the water draining pipe 901 is communicated with a first water valve 6, the right side of the water valve 6 is fixedly connected with the water valve 7, the water valve 7 is fixedly connected with the water sterilizing mechanism 7, the bottom 7 is communicated with the water valve 8, and the top of the water valve 8 is fixedly connected with the top of the water draining mechanism 5.

Referring to fig. 1, fig. 4 and fig. 5, the cleaning mechanism 5 includes four locating pieces 501, one side of the locating piece 501 near the cistern 1 is fixedly connected with the cistern 1, one side of two locating pieces 501 opposite is fixedly connected with first bearing frame 502, swing joint has transfer line 503 between two sides of the opposite of first bearing frame 502, the front side and the rear side on transfer line 503 surface all overlap and are equipped with gear 504, the meshing is connected with chain 505 between the surface of two gears 504, the fixed surface of chain 505 is connected with push pedal 506, the front side of one of them transfer line 503 runs through to the front side of locating piece 501 and fixedly connected with first motor 508, the surface cover of first motor 508 is equipped with the protective housing 507, the bottom and the cistern 1 fixed connection of protective housing 507, the right side fixedly connected with L type groove 10 of cistern 1 inner chamber, the right side of cistern 1 front side is opened there is drain 11, both sides at the plate 402 top are all opened flutedly, through pivot swing joint there is the lifter 403 between the inner chamber of two fluting.

The scheme is adopted: the transmission rod 503 is driven to rotate through rotation of the output end of the first motor 508, the transmission rod 503 drives the gear 504 to rotate, the gear 504 drives the chain 505 to rotate, the chain 505 drives the push plate 506 to move, the mixture of suspended matters and sewage on the water surface is pushed into the L-shaped groove 10, and then the mixture is discharged from the sewage outlet 11 to other containers along the slope of the L-shaped groove 10 for storage, through the arrangement of the protective shell 507, the limiting effect and the protecting effect on the first motor 508 are achieved, and through the cooperation of the positioning block 501 and the first bearing seat 502, the limiting effect on the transmission rod 503 is achieved.

Referring to fig. 1 and 7, the disinfection mechanism 7 comprises a disinfection tank 701, the top of the left side of the disinfection tank 701 is communicated with a first water valve 6, the bottom of the right side of the disinfection tank 701 is communicated with a second water valve 8, the top of the disinfection tank 701 is fixedly connected with a second positioning shell 702, the inner cavity of the second positioning shell 702 is fixedly connected with a second motor 703, the inner cavity of the disinfection tank 701 is fixedly connected with a filter bed 704, the surface of the filter bed 704 is provided with a sliding groove, the output end of the second motor 703 is fixedly connected with a rotary rod 705, the bottom of the rotary rod 705 penetrates through the inner cavity of the disinfection tank 701 and extends to the bottom of the filter bed 704 and is movably connected with the bottom of the inner cavity of the disinfection tank 701, the surface of the rotary rod 705 is fixedly connected with two positioning rings 708, the surface of the positioning rings 708 is fixedly connected with a connecting rod 707, one side of the two connecting rods 707 away from the positioning rings 708 is fixedly connected with a cleaning brush 706, the surface of the disinfection tank 701 is communicated with an administration tube 710, the bottom of the inner cavity of the disinfection tank 701 is fixedly connected with a second bearing seat 709, the inner cavity of the second bearing 709 is movably connected with the surface of the filter bed 704, the top of the administration tube 710 is fixedly connected with four supporting rods, the top of the four supporting rods 711 are fixedly connected with a rain cover between the top of the four supporting rods 711.

The scheme is adopted: the first water valve 6 is opened by a user, the filtered sewage enters the disinfection tank 701 through the first water valve 6, the sewage flows through the filter bed 704 composed of quartz sand, anthracite, magnetite, garnet and bauxite, residual bacteria, algae, viruses, oils, oxides of iron and manganese, radioactive particles, heavy metals and other substances are removed, the sewage after secondary filtration flows into the lower layer of the filter bed 704, an operator inputs disinfectant from the opening of the administration tube 710 at this time, the second motor 703 is started, the output end of the second motor 703 rotates to drive the rotary rod 705 to rotate, the rotary rod 705 drives the positioning ring 708 to rotate, the positioning ring 708 drives the connecting rod to mix the sewage and the medicament in the disinfection tank 701, the sewage and the disinfectant are fully dissolved and react in an accelerating way, the cleaning brush 706 is driven to remove the residual liquid medicine attached to the inner wall of the disinfection tank 701 when the connecting rod 707 rotates, the sewage treatment efficiency is improved, the limiting effect of the second motor is played through the second positioning shell 702, the limiting effect of the second motor 709 is played through the setting of the second shaft, the limiting effect of the supporting rod 709 is played, the effect of the supporting rod 705 is played through the setting of the supporting rod 709 and the supporting rod 710, the use of the rain-proof tube 710 is played through the setting of the supporting rod 710.

The working principle of the utility model is as follows:

when the sewage treatment device is used, sewage enters the water reservoir 1 from the water inlet 2, then the sewage flows through the first filter screen 3, the first filter screen 3 carries out preliminary filtration on larger sediment in the sewage, the sewage after precipitation enters the inner cavity of the water reservoir 1, the electrode plate 402 in the water reservoir 1 is electrified to electrolyze the sewage, chemical reaction is generated with current, the sediment and suspended matters insoluble in water are generated by polluted components in the sewage through reaction, meanwhile, when the sewage reacts with the current, the suspended matters are brought to the water surface of the sewage by bubbles which are generated in the sewage, the sediment is sunk into the tank bottom, after the sewage is fully electrolyzed, an operator opens the first water valve 6, the sewage enters the interior of the disinfection tank 701 along the drain pipe 901 through the second filter screen 904 and the blade 903 in a matched mode, in the process, the sewage drives the blade 903 to rotate, the surface of the second filter screen 904 and the brush generate friction, the sediment attached to the surface of the second filter screen 904 is removed, the drain pipe 905 is prevented from being blocked, and the sewage flowing through the place 905 is further filtered. Meanwhile, a user starts the first motor 508, the rotation of the output end of the first motor 508 drives the transmission rod 503 to rotate, the transmission rod 503 drives the gear 504 to rotate, the gear 504 drives the chain 505 to rotate, the chain 505 drives the push plate 506 to move, the mixture of suspended matters and sewage on the water surface is pushed into the L-shaped groove 10, and then the mixture is discharged from the sewage outlet 11 to other containers for storage along the slope of the L-shaped groove 10. Then the user opens the first water valve 6, the filtered sewage enters the disinfection tank 701 through the first water valve 6, the sewage flows through the filter bed 704 composed of quartz sand, anthracite, magnetite, garnet and bauxite, residual bacteria, algae, viruses, oils, oxides of iron and manganese, radioactive particles, heavy metals and other substances are removed, the sewage after secondary filtration flows into the lower layer of the filter bed 704, at the moment, operators throw disinfectant into the opening of the administration tube 710, the second motor 703 is started, the output end of the second motor 703 rotates to drive the rotary rod 705 to rotate, the rotary rod 705 drives the positioning ring 708 to rotate, the positioning ring 708 drives the connecting rod to mix the sewage and the medicament in the disinfection tank 701, the sewage and the disinfectant are fully dissolved and react in an accelerating way, and the cleaning brush 706 is driven to remove the residual liquid medicine attached to the inner wall of the disinfection tank 701 when the connecting rod 707 rotates, so that the sewage treatment efficiency is improved.

To sum up: this petrochemical industry underground sewage treatment device through setting up cistern 1, water inlet 2, first filter screen 3, drainage mechanism 9, electrolysis mechanism 4, clearance mechanism 5, L groove 10, drain 11, first water valve 6, disinfection mechanism 7, the cooperation of second water valve 8 and use, has solved current sewage treatment device and has not had the problem of accelerating antiseptic solution and sewage chemistry and give birth to reaction and clearance disinfection jar inner wall.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. Petrochemical underground sewage treatment equipment, including cistern (1), its characterized in that: the utility model discloses a disinfection device for the water-saving type water dispenser, which is characterized in that a water inlet (2) is formed in the top of the left side of the front side of a water reservoir (1), a first filter screen (3) is fixedly connected to the left side of the inner cavity of the water reservoir (1), an electrolysis mechanism (4) is fixedly connected to the front side and the rear side of the inner cavity of the water reservoir (1), the electrolysis mechanism (4) comprises two bases (401), one side of the inner walls of the two bases (401) is fixedly connected with the inner walls of the water reservoir (1), an electrode plate (402) is fixedly connected between the inner cavities of the two bases (401), a water draining mechanism (9) is communicated with the bottom of the right side of the inner cavity of the water reservoir (1), the left side of the water draining mechanism (9) comprises a water draining pipe (901), a positioning rod (902) is fixedly connected to the left side of the water draining pipe (901), the left side of the positioning rod (902) is movably connected with a blade (903) through a shaft pin, the left side of the blade (903) is fixedly connected with a second filter screen (904), the left side of the top of the water draining pipe (901) is fixedly connected with a brush (905), the brush (905) is in contact with the surface of the first filter screen (6) of the water draining valve (6), the bottom on the right side of the disinfection mechanism (7) is communicated with a second water valve (8), and the top of the reservoir (1) is fixedly connected with a cleaning mechanism (5).

2. A petrochemical underground sewage treatment plant according to claim 1, wherein: the right side of cistern (1) inner chamber fixedly connected with L type groove (10), the right side of cistern (1) front side is opened there is drain (11).

3. A petrochemical underground sewage treatment plant according to claim 1, wherein: the cleaning mechanism (5) comprises four positioning blocks (501), one side of each positioning block (501) close to the corresponding reservoir (1) is fixedly connected with the corresponding reservoir (1), one side of each positioning block (501) is fixedly connected with a first bearing seat (502), one side of each first bearing seat (502) is movably connected with a transmission rod (503), gears (504) are sleeved on the front side and the rear side of the surfaces of each transmission rod (503), chains (505) are connected between the surfaces of the two gears (504) in a meshed mode, a push plate (506) is fixedly connected with the surfaces of each chain (505), the front side of one transmission rod (503) penetrates through the front side of each positioning block (501) and is fixedly connected with a first motor (508), a protective shell (507) is sleeved on the surface of each first motor (508), and the bottom of each protective shell (507) is fixedly connected with the corresponding reservoir (1).

4. A petrochemical underground sewage treatment plant according to claim 1, wherein: the disinfection mechanism (7) comprises a disinfection tank (701), the top of the left side of the disinfection tank (701) is communicated with a first water valve (6), the bottom of the right side of the disinfection tank (701) is communicated with a second water valve (8), the top of the disinfection tank (701) is fixedly connected with a second positioning shell (702), the inner cavity of the second positioning shell (702) is fixedly connected with a second motor (703), the inner cavity of the disinfection tank (701) is fixedly connected with a filter bed (704), the surface of the filter bed (704) is provided with a sliding groove, the output end of the second motor (703) is fixedly connected with a rotary rod (705), the bottom of the rotary rod (705) penetrates through the inner cavity of the disinfection tank (701) and extends to the bottom of the filter bed (704) and is movably connected with the bottom of the inner cavity of the disinfection tank (701), the surface of the rotary rod (705) is fixedly connected with two positioning rings (708), the surface of the positioning rings (708) is fixedly connected with a connecting rod (706), one side of the two connecting rods (708) is far away from the positioning rings (708) is fixedly connected with a cleaning brush (706), and the surface of the disinfection tank (710) is communicated with a drug delivery tube (707).

5. A petrochemical underground sewage treatment plant according to claim 4, wherein: the bottom of the inner cavity of the disinfection tank (701) is fixedly connected with a second bearing (709), and the inner cavity of the second bearing (709) is movably connected with a rotating rod (705).

6. A petrochemical underground sewage treatment plant according to claim 4, wherein: four supporting rods (711) are fixedly connected to the top of the administration tube (710), and a rain cover (712) is fixedly connected between the tops of the four supporting rods (711).

7. A petrochemical underground sewage treatment plant according to claim 1, wherein: grooves are formed in two sides of the top of the electrode plate (402), and lifting rods (403) are movably connected between inner cavities of the two grooves through shaft pins.

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