CN114101247B

CN114101247B - Treatment equipment for cleaning sewage and dirt in underground oil tank

Info

Publication number: CN114101247B
Application number: CN202210069023.2A
Authority: CN
Inventors: 颜金花
Original assignee: Guangdong Linkjoy Energy Technology Co ltd
Current assignee: Guangdong Linkjoy Energy Technology Co ltd
Priority date: 2022-01-21
Filing date: 2022-01-21
Publication date: 2022-04-08
Anticipated expiration: 2042-01-21
Also published as: CN114101247A

Abstract

The invention relates to the field of sewage treatment, in particular to a treatment device for cleaning sewage and dirt in an underground oil tank, which comprises a cleaning unit and a water treatment unit, wherein the cleaning unit is communicated with the water treatment unit through a water supply pipe and a sewage discharge pipe; the cleaning part is driven by the driving part to move along the length direction of the oil tank, and the rotary disc drives the water spray pipe to rotate, so that the brush wheel can comprehensively scrub the inner side wall of the circumference of the tank at a short distance and wash the inner side wall of the tank at a high pressure, and meanwhile, the spray disc can comprehensively wash the inner wall of the tank end, thereby avoiding cleaning dead corners and improving the cleaning effect.

Description

Treatment equipment for cleaning sewage and dirt in underground oil tank

Technical Field

The invention relates to the field of sewage treatment, in particular to a treatment device for cleaning sewage and dirt in an underground oil tank.

Background

At present, an oil tank of a gas station is usually buried underground, so that the occupied space is effectively reduced, and the safety of the gas station is improved. Generally, after the underground oil tank is used for a period of time, the inside of the underground oil tank needs to be cleaned, so that oil dirt and the like are prevented from being deposited on the inner wall of the oil tank for a long time, and the subsequent quality of gasoline is prevented from being reduced.

At present, a Chinese patent No. 201210113155.7 discloses a mobile oil tank cleaning system and a method for cleaning the inner wall of an underground oil tank of a gas station, which comprises a van, a cleaning machine, a water supply system, a sewage disposal and sewage treatment system, an air replacement system and a drying system; the horizontal telescopic mechanism of the cleaning machine can push the three-dimensional spray head to the center of the oil tank, and the medium attached to the inner wall of the tank car is cleaned by fully utilizing a water jet cleaning method.

However, the following defects and shortcomings exist in the application process:

due to the obstruction of the horizontal telescopic mechanism, the three-dimensional spray head is difficult to carry out high-pressure washing on the tank wall in a short distance, so that the cleaning effect is poor, the inner wall of the tank end is difficult to clean completely, a cleaning dead angle is easy to cause, and the cleaning effect is poor.

Disclosure of Invention

Solves the technical problem

Aiming at the defects in the prior art, the invention provides a treatment device for cleaning sewage and dirt in an underground oil tank, which can effectively solve the problems that in the prior art, due to the obstruction of a horizontal telescopic mechanism, a three-dimensional spray head is difficult to carry out high-pressure washing on the tank wall at a short distance, so that the cleaning effect is poor, and simultaneously, the inner wall of a tank end is difficult to completely clean, so that a cleaning dead angle is easily caused, and the cleaning effect is poor.

Technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme:

a treatment facility for cleaning sewage and dirt in an underground oil tank comprises a cleaning unit and a water treatment unit, wherein the cleaning unit is communicated with the water treatment unit through a water supply pipe and a sewage discharge pipe, the cleaning unit comprises a cleaning part and a driving part for driving the cleaning part to move along the length direction of the oil tank, the cleaning part comprises a plate body and a rotary disc connected to the side wall of the plate body in a rotating manner, one side of the plate body, far away from the rotary disc, is respectively provided with a driving motor for driving the rotary disc to rotate, a water pipe joint communicated with the water supply pipe and a sewage discharge pipe communicated with the sewage discharge pipe, one side of the rotary disc, far away from the plate body, is fixedly provided with a water gathering head, the water gathering head is communicated with the water pipe joint through a rotary joint, the side wall of the water gathering head is provided with a plurality of groups of water spray pipes, the ends of the spray pipes are fixedly provided with spray heads, the ends of the spray pipes are also fixedly provided with a wheel carrier, a brush wheel is rotated on the wheel carrier, and a first spring is arranged between the spray pipes, the pipe wall of the water spraying pipe is vertically provided with a plurality of groups of short pipes communicated with the water spraying pipe, the short pipes are connected with a rotating pipe in a rotating mode, and the end of the rotating pipe penetrates out of the short pipes and is provided with a spraying disc.

Furthermore, one side of the rotary table, which is close to the plate body, is provided with a groove, the inner wall of the circumference of the groove is provided with a gear ring, one side of the plate body, which is close to the rotary table, is rotatably connected with a gear meshed with the gear ring, and the driving motor drives the gear to rotate.

Furthermore, the brush wheel is provided with a water wheel, the spray head is obliquely arranged at the pipe end of the water spray pipe, the spray head sprays water and acts on the water wheel, and the brush wheel and the disc surface of the spray disc are both provided with brush hair.

Furthermore, the spray pipe sets up along gathering flood peak tangential direction, and spray pipe end circumference lateral wall is provided with multiunit class concave groove, class concave groove includes the spread groove of elongated slot and short groove and intercommunication elongated slot and short groove, the spray pipe axial setting is followed respectively to elongated slot and short groove, the spread groove sets up along spray pipe circumference outside circumference, still be provided with on the spray pipe and keep off the ring, wheel carrier circumference inboard is provided with the pin rod with class concave groove one-to-one, first spring housing is established on the spray pipe, and first spring both ends respectively with keep off ring and wheel carrier contact.

Furthermore, a cone channel is arranged in each short pipe, a turbine is arranged in each rotating pipe, one end, far away from the spray disk, of each rotating pipe is rotatably connected with a cone plugging block matched with the corresponding cone channel through a shaft rod, and a second spring is arranged between one end, far away from the spray disk, of each rotating pipe and the corresponding cone channel.

Furthermore, a valve plate is fixed on one side, away from the second spring, of the conical plugging block closest to the spray head, and a valve groove in sealing fit with the valve plate is arranged on the inner wall between the short pipe and the water spray pipe.

Furthermore, the spray disk is provided with a plurality of groups of nozzles and a plurality of groups of inclined spray pipes on the disk surface, and the inclined spray pipes are arranged on the disk surface of the spray disk at equal angles.

Furthermore, the drive division is including a lid and connecting rod telescopic machanism, lid one side is provided with the support, support one side is provided with lead screw mould platform casing, the lead screw is revolved about to lead screw mould platform casing internal rotation is connected with, it is vice to revolve the removal that the symmetry is provided with it complex on the lead screw about, still symmetrical sliding connection has two sets of removal framves on the support, remove the frame respectively with remove vice fixed connection, connecting rod telescopic machanism sets up between two sets of removal frames and plate body, the lid opposite side is provided with the step motor who revolves the lead screw about the drive.

Further, the drive division still includes two sets of cylinders, the cylinder is installed respectively on removing the frame, the support lateral wall is provided with the first fixture block of first direction rack and multiunit, and is adjacent two sets of be provided with the draw-in groove between the first fixture block, it has L type draw runner to remove sliding connection in the frame, L type draw runner lateral wall passes through guide arm fixedly connected with T template, the guide arm passes and wears out and removes the frame, the spout has been seted up to L type draw runner opposite side, sliding connection has the second direction rack in the spout, second direction rack tooth all sets up to the conical head with the tooth end of first direction rack tooth, and second direction rack length is less than the length of half tooth of spout, is provided with multiunit and draw-in groove joint complex second fixture block on the second direction rack, cylinder output shaft end and T template fixed connection.

Furthermore, the water treatment unit comprises a machine body, wherein a high-pressure water pump and a sewage pump are arranged in the machine body, an oil discharge cavity, a sedimentation cavity, a steady flow cavity and a liquid discharge cavity are sequentially arranged in the machine body, the oil discharge cavity is communicated with the sedimentation cavity and is positioned at the top of the sedimentation cavity, the bottom of the sedimentation cavity is communicated with the bottom of the steady flow cavity, the top of the steady flow cavity is communicated with the top of the liquid discharge cavity, a water level sensor is arranged in the top of the liquid discharge cavity, a sewage outlet pipe communicated with the sedimentation cavity is arranged on one side of the sewage pump, a water inlet pipe and a water outlet pipe communicated with the high-pressure water pump, a sewage inlet pipe communicated with the sewage pump and a first oil discharge pipe communicated with the oil discharge cavity are respectively arranged on one side of the machine body, the water outlet pipe is communicated with a water supply pipe, the sewage inlet pipe is communicated with the sewage discharge pipe, a one-way liquid outlet valve is arranged on the first oil discharge pipe, and a second oil discharge pipe and a water discharge pipe communicated with the liquid discharge cavity are respectively arranged on the other side of the machine body, the second oil drain pipe is located on the drain pipe, and the drain pipe is provided with an electromagnetic valve.

Advantageous effects

Compared with the known public technology, the technical scheme provided by the invention has the following beneficial effects:

the cleaning part is driven by the driving part to move along the length direction of the oil tank, and the rotary disc drives the water spray pipe to rotate, so that the brush wheel can comprehensively scrub the inner side wall of the circumference of the tank at a short distance and wash the inner side wall of the tank at a high pressure, and meanwhile, the spray disc can comprehensively wash the inner wall of the tank end, thereby avoiding cleaning dead corners and improving the cleaning effect.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

FIG. 1 is a first perspective view of a cleaning unit according to the present invention;

FIG. 2 is a second perspective view of the cleaning unit of the present invention;

FIG. 3 is a schematic view of a third perspective structure of the cleaning unit of the present invention;

FIG. 4 is an enlarged view of the structure at A in FIG. 3 according to the present invention;

FIG. 5 is a schematic view of a cleaning part according to the present invention;

FIG. 6 is a cross-sectional view of the sprinkler tube of the present invention;

FIG. 7 is an enlarged view of the structure of FIG. 6B according to the present invention;

FIG. 8 is an exploded view of the cleaning portion of the present invention;

FIG. 9 is an enlarged view of the structure of FIG. 8 at C according to the present invention;

FIG. 10 is a schematic view of the turntable structure of the present invention;

FIG. 11 is a schematic view of the wheel frame of the present invention;

FIG. 12 is a schematic view of the structure of the L-shaped slide bar of the present invention;

FIG. 13 is a schematic cross-sectional view of a water treatment unit according to the present invention;

the reference numerals in the drawings denote: 1. a cleaning section; 101. a plate body; 102. a turntable; 103. a drive motor; 104. a water pipe joint; 105. a rotary joint; 106. a water collection head; 107. a water spray pipe; 108. a spray head; 109. a wheel carrier; 110. brushing the wheel; 111. a first spring; 112. a short pipe; 113. pipe rotation; 114. spraying a disc; 115. a gear; 116. a water wheel; 117. a long groove; 118. a short slot; 119. connecting grooves; 120. a baffle ring; 121. a pin rod; 122. a tapered channel; 123. a shaft lever; 124. a conical block; 125. a second spring; 126. a valve plate; 127. a valve spool; 128. a nozzle; 129. an inclined jet pipe; 130. a sewage pipe; 131. a hose; 132. a turbine; 2. a drive section; 201. supporting a cover; 202. a link mechanism; 203. a support; 204. a screw rod die table shell; 205. a movable frame; 206. a cylinder; 207. a first guide rack; 208. a card slot; 209. an L-shaped slider; 210. a T-shaped plate; 211. a chute; 212. a second guide rack; 213. a second fixture block; 3. a body; 301. a high pressure water pump; 302. a sewage pump; 303. an oil discharge cavity; 304. a sedimentation chamber; 305. a flow stabilizing cavity; 306. a liquid discharge cavity; 307. a water level sensor; 308. a sewage outlet pipe; 309. a water inlet pipe; 310. a water outlet pipe; 311. a sewage inlet pipe; 312. a first oil drain pipe; 313. a second oil drain pipe; 314. a drain pipe; 315. an electromagnetic valve.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The present invention will be further described with reference to the following examples.

Examples

The treatment equipment for cleaning sewage and dirt in the underground oil tank of the embodiment is shown in figures 1-13: the device comprises a cleaning unit and a water treatment unit, wherein the cleaning unit is communicated with the water treatment unit through a water supply pipe (not shown) and a sewage discharge pipe (not shown), the cleaning unit is used for cleaning the inner wall of an oil tank, and the water treatment unit is used for supplying water, sucking out sewage in the oil tank and separating oil from water in the sewage.

Specifically, the cleaning unit comprises a cleaning part 1 and a driving part 2 for driving the cleaning part to move along the length direction of the oil tank, the cleaning part 1 comprises a plate body 101 and a rotary table 102 rotatably connected to the side wall of the plate body 101, one side of the plate body 101, which is far away from the rotary table 102, is respectively provided with a driving motor 103 for driving the rotary table 102 to rotate, a water pipe joint 104 communicated with a water supply pipe and a sewage pipe 130 communicated with a sewage pipe, one side of the rotary table 102, which is far away from the plate body 101, is fixedly provided with a water collecting head 106, the water collecting head 106 is communicated with the water pipe joint 104 through a rotary joint 105, the side wall of the water collecting head 106 is provided with a plurality of groups of water spraying pipes 107, the pipe ends of the water spraying pipes 107 are fixedly provided with nozzles 108, the pipe ends of the water spraying pipes 107 are also fixedly provided with a wheel frame 109, brush wheels 110 are rotatably arranged on the wheel frame 109, a first spring 111 is arranged between the wheel frame 109 and the water spraying pipes 107, a plurality of short pipes 112 communicated with the water spraying pipes 107 are vertically arranged, the short pipes 112 are rotatably connected with a rotary pipe 113, the end of the rotating pipe 113 penetrates out of the short pipe 112 and is provided with a spray disc 114.

In the technical scheme, the rotary joint 105 and the water pipe joint 104 preferably adopt a cutting sleeve type water pipe conversion joint which has a compact structure and high strength, so that the rotary joint 105 and the water pipe joint 104 are rotatably connected, and the sealing property between the rotary joint 105 and the water pipe joint 104 is improved; meanwhile, a stop ring 120 is arranged at the pipe end of the spray pipe 107, the first spring 111 is sleeved on the spray pipe 107, and two ends of the first spring 111 are respectively contacted with the stop ring 120 and the wheel frame 109.

The driving motor 103 is preferably a speed reducing motor, a groove is formed on one side of the turntable 102 close to the plate body 101, a gear ring is arranged on the circumferential inner wall of the groove, a gear 115 meshed with the gear ring is rotatably connected to one side of the plate body 101 close to the turntable 102, the driving motor 103 drives the gear 115 to rotate, so that the driving motor 103 drives the turntable 102 to rotate, the rotation of the rotary disc 102 drives the water spraying pipe 107 to rotate, the water spraying pipe 107 rotates around the axis of the rotary disc 102, so that the brush wheel 110 brushes the inner wall of the tank at a short distance, and the high-pressure water washes the inner wall of the tank in a short distance through the spray head 108, so that the cleaning effect is improved, and the friction force between the brush wheel 110 and the inner wall of the tank is improved under the action of the first spring 111, the brushing effect is further improved, meanwhile, the brush wheel 110 can be axially adjusted along the spray pipe 107 through the action of the first spring 111, so that the cleaning unit can be conveniently put in from the opening of the oil tank; through the effect of spouting dish 114, wash can end inner wall, and then effectively reduce and wash the dead angle, improve the cleaning performance, rotate around carousel 102 axis through spray pipe 107 simultaneously for spout dish 114 and rotate around carousel 102 axis, can wash can end inner wall comprehensively, further avoid wasing the dead angle.

The sewage pipe is communicated with the sewage pipe 130, and the other end of the sewage pipe is connected with a sewage pump 302 (described below), so that sewage generated after flushing can be sucked out; to further suck out the sewage in the tank, a hose 131 is connected to the bottom end of the sewer pipe 130, and the length of the hose 131 is greater than the distance between the bottom end of the sewer pipe 130 and the inner wall of the tank, so that the end of the hose 131 is located on the inner wall of the tank to suck out the sewage in the tank.

In order to improve the cleaning effect between the brush wheel 110 and the spray plate 114, bristles (not shown) are arranged on both the brush wheel 110 and the spray plate 114.

In order to improve the brushing effect of the brush wheel 110, a water wheel 116 is arranged on the brush wheel 110, the spray head 108 is obliquely arranged at the pipe end of the water spray pipe 107, so that the spray head 108 sprays water at high pressure and acts on the water wheel 116, further, the rotation of the brush wheel 110 enables the brush wheel 110 to rotate, and the rotation direction of the brush wheel 110 is opposite to the rotation direction of the water spray pipe 107, thereby improving the brushing effect of the brush wheel 110.

In order to further enable the turntable 102 to drive the water spraying pipes 107 to rotate, the water spraying pipes 107 are arranged along the tangential direction of the water gathering head 106, and in the technical scheme, two groups of symmetrical water spraying pipes 107 are preferably selected, and the water spraying pipes 107 flow into the water spraying pipes 107 along the tangential direction of the water gathering head 106 through high-pressure water flow to give an auxiliary acting force to the rotation of the water spraying pipes 107.

In order to facilitate replacement of the brush wheel 110, a plurality of groups of similar concave grooves are arranged on the outer side wall of the circumference of the pipe end of the water spraying pipe 107; in the technical scheme, two groups of similar concave grooves are preferably selected and are symmetrically distributed on the outer wall of the pipe end of the water spraying pipe 107, each similar concave groove comprises a long groove 117, a short groove 118 and a connecting groove 119 for communicating the long groove 117 with the short groove 118, the long groove 117 and the short groove 118 are respectively arranged along the axial direction of the water spraying pipe 107, the connecting groove 119 is circumferentially arranged along the outer side of the circumference of the water spraying pipe 107, and pin rods 121 which are in one-to-one correspondence with the similar concave grooves are arranged on the inner side of the circumference of the wheel carrier 109; the long groove 117 is provided with an opening close to the pipe end of the water spray pipe 107, when the pin rods 121 are respectively aligned with the openings of the long groove 117, the wheel frame 109 is sleeved in along the axis of the water spray pipe 107, so that the pin rods 121 slide along the long groove 117, the wheel frame 109 rotates for a certain angle, so that the pin rods 121 slide along the direction of the connecting groove 119, and finally the first spring 111 acts to enable the pin rods 121 to be pushed into the short groove 118, so that the brush wheel 110 is installed, and similarly, when the brush wheel 110 is disassembled, only the brush wheel 110 needs to move along the axis of the water spray pipe 107, the wheel frame 109 rotates for a certain angle, and finally the wheel frame 109 is pulled out along the axis of the water spray pipe 107; wherein the length of the short groove 118 is greater than the adjustment travel distance of the wheel carrier 109 while brushing the inner wall of the tank.

Furthermore, the short pipes 112 are internally provided with conical channels 122, one end of the rotating pipe 113, which is far away from the spray disk 114, is rotatably connected with a conical block 124 matched with the conical channels 122 through a shaft rod 123, and a second spring 125 is arranged between one end of the rotating pipe 113, which is far away from the spray disk 114, and the conical channels 122; when the spray disk 114 is not close to the inner wall of the can end, that is, the inner wall of the can end is not washed, the cone blocking block 124 blocks the cone passage 122 under the action of the second spring 125, so that high-pressure water flow is only sprayed out from the spray head 108, the water quantity sprayed out from the spray head 108 is large, the washing effect on the circumferential inner wall of the can is good, the water pressure sprayed out from the spray head 108 is large, and the washing effect on the circumferential inner wall of the can is good; when the spray disk 114 brushes the inner wall of the can end, because the brush hair exists between the spray disk 114 and the inner wall of the can end, when the spray disk 114 approaches the inner wall of the can end, the spray disk 114 moves towards the short pipe 112, the cone blocking block 124 moves towards the direction of the spray pipe 107, and water flows into the rotary pipe 113 through the cone channel 122 and is sprayed out from the spray disk 114.

In order to further improve the effect of washing the inner wall of the can end, a valve plate 126 is fixed on the side, away from the second spring 125, of the conical blocking block 124 closest to the spray head 108, and a valve groove 127 in sealing fit with the valve plate 126 is arranged on the inner wall between the communication part of the short pipe 112 and the spray pipe 107; when the spray disk 114 is close to the inner wall of the can end, the cone blocking block 124 moves towards the direction of the spray pipe 107, and meanwhile, the valve plate 126 blocks the spray pipe 107 close to the spray head 108, so that high-pressure water flow is only sprayed out from the spray disk 114, not only is the amount of water sprayed out from the spray disk 114 large, and further the inner wall of the can end is well brushed, but also the water pressure sprayed out from the spray disk 114 is large, and further the inner wall of the can end is well brushed.

In order to further improve the washing effect of the spray disk 114 on the inner wall of the can end, a turbine 132 is arranged in the rotating pipe 113, the spray disk 114 is provided with a plurality of groups of nozzles 128 and a plurality of groups of inclined spray pipes 129, and the inclined spray pipes 129 are arranged on the disk surface of the spray disk 114 at equal angles; thereby high-pressure rivers pass through turbine 132 for the rotary pipe 113 takes place rotatoryly, realizes spouting the rotation of dish 114 promptly, and when high-pressure rivers followed oblique spray tube 129 blowout simultaneously, and then made the rotation of spouting dish 114, thereby through spouting the rotation of dish 114, make the brush hair of spouting dish 114 scrub can end inner wall, improve the effect of washing to can end inner wall promptly.

In this technical scheme, the driving part 2 includes a support cover 201 and a link telescoping mechanism 202, a support 203 is provided on one side of the support cover 201, a screw rod mold table shell 204 is provided on one side of the support 203, a left-right screw rod is rotationally connected in the screw rod mold table shell 204, a moving pair matched with the left-right screw rod is symmetrically provided on the left-right screw rod, two moving frames 205 are symmetrically and slidably connected on the support 203, the moving frames 205 are respectively fixedly connected with the moving pair, the link telescoping mechanism 202 is provided between the two moving frames 205 and the plate body 101, and a stepping motor for driving the left-right screw rod is provided on the other side of the support cover 201.

The principle of the link telescoping mechanism 202 is disclosed in detail in patent number 201210113155.7, and is not described in detail here; both ends of one of them side of connecting rod telescopic machanism 202 rotate with removing frame 205 respectively and be connected, wherein one end of connecting rod telescopic machanism 202 opposite side rotates with plate body 101 to be connected, the other end and the plate body 101 sliding connection of connecting rod telescopic machanism 202 opposite side, thereby when step motor drives left dextrorotation lead screw and rotates, make two sets of moving pairs be close to each other or keep away from each other, and then make connecting rod telescopic machanism 202 extend or contract, even make the washing portion remove along oil tank length direction, thereby the realization is washd the oil tank inner wall comprehensively.

The driving part 2 further comprises two groups of cylinders 206, the cylinders 206 are respectively installed on the moving frame 205, a first guide rack 207 and a plurality of groups of first fixture blocks are arranged on the side wall of the support 203, a clamping groove 208 is arranged between every two adjacent groups of first fixture blocks, an L-shaped sliding strip 209 is connected in the moving frame 205 in a sliding mode, a T-shaped plate 210 is fixedly connected to the side wall of the L-shaped sliding strip 209 through a guide rod, the guide rod penetrates through the moving frame 205 and penetrates out of the other side of the L-shaped sliding strip 209, a sliding groove 211 is formed in the other side of the L-shaped sliding strip 209, a second guide rack 212 is connected in the sliding groove 211 in a sliding mode, the tooth ends of teeth of the second guide rack 212 and teeth of the first guide rack 207 are both provided with conical heads, the length of the second guide rack 212 is smaller than the length of half of the teeth of the sliding groove 211, a plurality of second fixture blocks 213 which are matched with the clamping groove 208 in a clamping mode are arranged on the second guide rack 212, and the output shaft ends of the cylinders 206 are fixedly connected with the T-shaped plate 210; by the guiding fit of the teeth of the first guide rack 207 with the teeth of the second guide rack 212, thereby ensuring that when the L-shaped sliding bar 209 moves towards the first guiding rack 207 along the guiding rod, the second clamping block 213 is accurately clamped into the clamping groove 208, meanwhile, the length of the second guide rack 212 is smaller than the length of half teeth of the sliding groove 211, so that after the second fixture block 213 is accurately clamped in the clamping groove 208, the second guide rack 212 and the L-shaped sliding strip 209 are relatively fixed, so as to realize the clamping connection of the L-shaped sliding strips 209 and the bracket 203, and then when the stepping motor stops driving the left-handed and right-handed screw rod to rotate, the air cylinders 206 respectively drive the L-shaped sliding strips 209, so that the L-shaped sliding strip 209 is clamped and fixed with the bracket 203, thereby ensuring the stability between the two groups of moving frames 205 and the bracket 203, the stress load of the left-right screw rod and the sliding pair can be reduced, and the stability between the connecting rod telescopic mechanism 202 and the cleaning part 1 can be ensured.

In the technical scheme, the water treatment unit comprises a machine body 3, a high-pressure water pump 301 and a sewage pump 302 are arranged in the machine body 3, an oil discharge cavity 303, a sedimentation cavity 304, a steady flow cavity 305 and a liquid discharge cavity 306 are sequentially arranged in the machine body 3, the oil discharge cavity 303 is communicated with the sedimentation cavity 304 and is positioned at the top of the sedimentation cavity 304, the bottom of the sedimentation cavity 304 is communicated with the bottom of the steady flow cavity 305, the top of the steady flow cavity 305 is communicated with the top of the liquid discharge cavity 306, a water level sensor 307 is arranged in the top of the liquid discharge cavity 306, a sewage discharge pipe 308 communicated with the sedimentation cavity 304 is arranged at one side of the sewage pump 302, a water inlet pipe 309 and a water outlet pipe 310 communicated with the high-pressure water pump 301, a sewage inlet pipe 311 communicated with the sewage pump 302 and a first oil discharge pipe 312 communicated with the oil discharge cavity are respectively arranged at one side of the machine body 3, the water outlet pipe 310 is communicated with a water supply pipe, the sewage inlet pipe 311 is communicated with a sewage discharge pipe, a one-way liquid discharge valve is arranged on the first oil discharge pipe 312, the other side of the machine body 3 is respectively provided with a second oil drain pipe 313 and a water drain pipe 314 which are communicated with the liquid drain cavity 306, the second oil drain pipe 313 is positioned on the water drain pipe 314, and the water drain pipe 314 is provided with an electromagnetic valve 315.

By adopting the high-pressure water pump 301 to pressurize the water which is accessed into the cleaning unit, the stable water pressure and enough water pressure are ensured, the sewage in the tank is sucked into the sedimentation cavity 304 through the sewage pump 302, the large-particle oil in the sewage which enters into the sedimentation cavity 304 floats upwards due to the oil density being larger than that of the water, the preliminary separation of oil and water is realized, and the precipitate in the sewage is made to sink, the solid-liquid separation is realized, meanwhile, the communication port between the oil discharge cavity 303 and the sedimentation cavity 304 is parallel to the communication port between the top of the steady flow cavity 305 and the top of the liquid discharge cavity 306, the large-particle oil flows into the oil discharge cavity 303 and is discharged from the first oil discharge pipe 312, so that the sewage enters into the steady flow cavity 305 from the sedimentation cavity 304, the small-particle oil in the sewage is made to gather again due to the slow water flow in the steady flow cavity 305 and flows into the liquid discharge cavity 306, and when the liquid height in the liquid discharge cavity 306 is larger than that of the second oil discharge pipe 313 through the water level sensor 307, the electromagnetic valve 315 is opened, so that the oil flowing into the drain cavity 306 is drained from the second oil drain pipe 313, and the water after oil separation flows out from the drain pipe 314, thereby realizing oil-water separation; when the liquid level in the drain chamber 306 is lower than the second drain pipe 313, the solenoid valve 315 is closed to prevent the oil flowing into the drain chamber 306 from flowing out of the drain pipe 314.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the corresponding technical solutions.

Claims

1. The utility model provides a treatment facility for cleaning sewage and filth in underground oil tank, includes cleaning unit and water treatment unit, its characterized in that: the cleaning unit is communicated with the water treatment unit through a water supply pipe and a sewage discharge pipe, the cleaning unit comprises a cleaning part (1) and a driving part (2) used for driving the cleaning part to move along the length direction of the oil tank, the cleaning part (1) comprises a plate body (101) and a rotary disc (102) rotatably connected to the side wall of the plate body (101), one side, far away from the rotary disc (102), of the plate body (101) is respectively provided with a driving motor (103) for driving the rotary disc (102) to rotate, a water pipe connector (104) communicated with the water supply pipe and a sewage pipe (130) communicated with the sewage discharge pipe, one side, far away from the plate body (101), of the rotary disc (102) is fixedly provided with a water gathering head (106), the water gathering head (106) is communicated with the water pipe connector (104) through a rotary connector (105), the side wall of the water gathering head (106) is provided with a plurality of groups of water spray pipes (107), and the pipe ends of the water spray pipes (107) are fixedly provided with spray heads (108), the pipe end of the water spraying pipe (107) is further fixedly provided with a wheel frame (109), the wheel frame (109) is rotated to form a brush wheel (110), a first spring (111) is arranged between the wheel frame (109) and the water spraying pipe (107), a plurality of groups of short pipes (112) communicated with the water spraying pipe (107) are vertically arranged on the pipe wall of the water spraying pipe (107), a rotating pipe (113) is rotatably connected with the short pipes (112), the pipe end of the rotating pipe (113) penetrates out of the short pipes (112) and is provided with a spraying disc (114), conical channels (122) are arranged in the short pipes (112), a turbine (132) is arranged in the rotating pipe (113), one end, far away from the spraying disc (114), of the rotating pipe (113) is rotatably connected with a conical block (124) matched with the conical channels (122) through a shaft rod (123), and a second spring (125) is arranged between one end, far away from the spraying disc (114) and the conical channels (122).

2. The treatment equipment for cleaning sewage and dirt in the underground oil tank according to claim 1, wherein a groove is formed in one side, close to the plate body (101), of the rotary table (102), a gear ring is arranged on the circumferential inner wall of the groove, a gear (115) meshed with the gear ring is rotatably connected to one side, close to the rotary table (102), of the plate body (101), and the driving motor (103) drives the gear (115) to rotate.

3. A treatment equipment for cleaning sewage and filth in an underground oil tank according to claim 1, wherein the brush wheel (110) is provided with a water wheel (116), the spray head (108) is obliquely arranged at the pipe end of the water spray pipe (107), the spray head (108) sprays water at high pressure and acts on the water wheel (116), and the brush wheel (110) and the spray disk (114) are provided with brush hairs.

4. A treatment facility for cleaning sewage and dirt in underground tanks according to claim 1, it is characterized in that the water spraying pipe (107) is arranged along the tangential direction of the water gathering head (106), the outer side wall of the circumference of the pipe end of the water spraying pipe (107) is provided with a plurality of groups of similar concave grooves, the concave-like groove comprises a long groove (117), a short groove (118) and a connecting groove (119) for connecting the long groove (117) and the short groove (118), the long groove (117) and the short groove (118) are respectively arranged along the axial direction of the spray pipe (107), the connecting groove (119) is circumferentially arranged along the outer side of the circumference of the spray pipe (107), the spray pipe (107) is also provided with a retaining ring (120), the inner side of the circumference of the wheel carrier (109) is provided with pin rods (121) which are in one-to-one correspondence with the similar concave grooves, the first spring (111) is sleeved on the water spray pipe (107), and two ends of the first spring (111) are respectively contacted with the baffle ring (120) and the wheel carrier (109).

5. A treatment device for cleaning sewage and dirt in underground oil tank according to claim 1, characterized in that a valve plate (126) is fixed on the side of the cone block (124) closest to the nozzle (108) far from the second spring (125), and a valve groove (127) which is in sealing fit with the valve plate (126) is arranged on the inner wall between the communication of the short pipe (112) and the water spray pipe (107).

6. A treatment facility for cleaning sewage and dirt in underground tanks according to claim 1, characterized in that the spray tray (114) is provided with a plurality of sets of nozzles (128) and a plurality of sets of inclined nozzles (129) on the tray surface, the inclined nozzles (129) being arranged at equal angles on the tray surface (114).

7. The treatment equipment for cleaning sewage and dirt in the underground oil tank according to claim 1, wherein the driving part (2) comprises a supporting cover (201) and a connecting rod telescopic mechanism (202), a support (203) is arranged on one side of the supporting cover (201), a screw mold table shell (204) is arranged on one side of the support (203), a left-handed screw rod and a right-handed screw rod are rotationally connected in the screw mold table shell (204), a moving pair matched with the left-handed screw rod and the right-handed screw rod are symmetrically arranged on the left-handed screw rod and a moving pair matched with the left-handed screw rod, two moving frames (205) are symmetrically and slidably connected on the support (203), the moving frames (205) are fixedly connected with the moving pair respectively, the connecting rod telescopic mechanism (202) is arranged between the two moving frames (205) and the plate body (101), and a stepping motor for driving the left-handed screw rod is arranged on the other side of the supporting cover (201).

8. The treatment equipment for cleaning sewage and dirt in the underground oil tank according to claim 7, wherein the driving part (2) further comprises two sets of air cylinders (206), the air cylinders (206) are respectively installed on a moving frame (205), the side wall of the bracket (203) is provided with a first guide rack (207) and a plurality of sets of first fixture blocks, a clamping groove (208) is arranged between two adjacent sets of fixture blocks, an L-shaped sliding strip (209) is slidably connected in the moving frame (205), the side wall of the L-shaped sliding strip (209) is fixedly connected with a T-shaped plate (210) through a guide rod, the guide rod penetrates through and penetrates out of the moving frame (205), the other side of the L-shaped sliding strip (209) is provided with a sliding groove (211), a second guide rack (212) is slidably connected in the sliding groove (211), and the tooth ends of the teeth of the second guide rack (212) and the teeth of the first guide rack (207) are both provided with cone heads, the length of the second guide rack (212) is smaller than that of half teeth of the sliding groove (211), a plurality of groups of second fixture blocks (213) which are in clamping fit with the fixture grooves (208) are arranged on the second guide rack (212), and the output shaft end of the air cylinder (206) is fixedly connected with the T-shaped plate (210).

9. The treatment equipment for cleaning sewage and dirt in the underground oil tank according to claim 1, wherein the water treatment unit comprises a machine body (3), a high-pressure water pump (301) and a sewage pump (302) are arranged in the machine body (3), an oil discharge cavity (303), a sedimentation cavity (304), a flow stabilizing cavity (305) and a liquid discharge cavity (306) are further sequentially arranged in the machine body (3), the oil discharge cavity (303) is communicated with the sedimentation cavity (304) and is positioned at the top of the sedimentation cavity (304), the bottom of the sedimentation cavity (304) is communicated with the bottom of the flow stabilizing cavity (305), the top of the flow stabilizing cavity (305) is communicated with the top of the liquid discharge cavity (306), a water level sensor (307) is arranged in the top of the liquid discharge cavity (306), a sewage outlet pipe (308) communicated with the sedimentation cavity (304) is arranged on one side of the sewage pump (302), and a water inlet pipe (309) and a water outlet pipe communicated with the high-pressure water pump (301) are respectively arranged on one side of the machine body (3) Water pipe (310), advance pipe (311) and with the first oil drain pipe (312) of oil extraction chamber (303) intercommunication with the sewage of sewage pump (302) intercommunication, outlet pipe (310) and delivery pipe intercommunication, sewage advances pipe (311) and blow off pipe intercommunication, be provided with one-way drain valve on first oil drain pipe (312), organism (3) opposite side is provided with respectively with communicating second oil drain pipe (313) of fluid drainage chamber (306) and drain pipe (314), second oil drain pipe (313) are located drain pipe (314), be provided with solenoid valve (315) on drain pipe (314).