CN114105317A

CN114105317A - Oil field sewage fermentation device with fixed separation function

Info

Publication number: CN114105317A
Application number: CN202210088584.7A
Authority: CN
Inventors: 于娓娉
Original assignee: Dongying Yuchen Technology Co ltd
Current assignee: Dongying Yuchen Technology Co ltd
Priority date: 2022-01-26
Filing date: 2022-01-26
Publication date: 2022-03-01
Anticipated expiration: 2042-01-26
Also published as: CN114105317B

Abstract

The invention relates to the technical field of oilfield sewage fermentation, in particular to an oilfield sewage fermentation device with a fixed separation function. The technical scheme is as follows: an oil field sewage fermentation device with a fixed separation function comprises a containing box, a fixed separation mechanism, a feeding pipe, a sewage fermentation mechanism and the like; the upper surface that holds the case is provided with fixed separating mechanism and sewage fermentation mechanism, is provided with the inlet pipe on the fixed separating mechanism, and fixed separating mechanism is located one side of sewage fermentation mechanism, and fixed separating mechanism and sewage fermentation mechanism are connected. The invention makes the sewage and the biological fermentation treating agent fully fused by matching the fixed separation mechanism and the sewage fermentation mechanism, completes the purification work of the sewage and discharges the sewage.

Description

Oil field sewage fermentation device with fixed separation function

Technical Field

The invention relates to an oilfield sewage fermentation device, in particular to an oilfield sewage fermentation device with a fixed separation function.

Background

The oil field sewage treatment mainly includes two-stage treatment of oil removal and filtration, and the treated sewage is reinjected, i.e. various methods are adopted to remove or reduce the harmful substances in the sewage to the standard-reaching level, so that the sewage can be utilized.

Among the prior art, when handling oil field sewage, generally pour biological fermentation agent into oil field sewage in, accomplish its processing through the stirring afterwards, because contain a large amount of mud in the oil field sewage, so through directly pouring biological fermentation agent into oil field sewage and the mode of stirring, it purifies work to oil field sewage inconveniently, because of the in-process at the stirring, mud and biological fermentation agent in the oil field sewage can bump, cause partly biological fermentation agent by mud parcel, so can't make biological fermentation agent and sewage fully fuse, cause the water after the purification can't reach emission standard.

Therefore, it is necessary to design an oilfield sewage fermentation device with a fixed separation function to overcome the disadvantages of the prior art.

Disclosure of Invention

In order to overcome the defects that in the stirring process, sludge in oil field sewage collides with a biological fermentation agent, so that a part of the biological fermentation agent is wrapped by the sludge, the biological fermentation agent cannot be fully fused with the sewage, and the purified water cannot reach the discharge standard, the technical problems to be solved are as follows: provides an oil field sewage fermentation device with a fixed separation function.

The technical scheme of the invention is as follows: an oil field sewage fermentation device with a fixed separation function comprises a containing box, a fixed separation mechanism, a feeding pipe and a sewage fermentation mechanism, wherein the fixed separation mechanism and the sewage fermentation mechanism are arranged on the upper surface of the containing box; the invention fully fuses sewage and biological fermentation treatment agent by matching a fixed separation mechanism and a sewage fermentation mechanism to complete purification work of the sewage and discharge the sewage, the fixed separation mechanism comprises a blanking box, vertical plates, inclined plates, hollow frames, guide rods, guide blocks, first springs, fixed separation boxes, a discharge pipe, a baffle plate and vertical rods, the blanking box is connected with the upper surface of a containing box, the vertical plates are respectively arranged at the left side and the right side of the upper surface of the blanking box, the inclined plates are respectively arranged at the front side and the rear side of the upper surface of the blanking box, the hollow frames are fixedly connected between the vertical plates at the two sides and the upper parts of the inclined plates at the two sides, the two guide rods are respectively arranged at the front side and the rear side of the upper surface of the blanking box, the guide blocks are arranged at the upper parts of the guide rods in a sliding manner, the first springs are fixedly connected between the guide blocks and the blanking box, the four first springs are respectively sleeved at the outer sides of the four guide rods, and the fixed separation boxes are arranged between the four guide blocks, the inlet pipe inlays at the upper surface middle part of fixed separator box, the discharging pipe has all been inlayed to the right surface both sides of hollow frame, the lower surface left and right sides of fixed separator box all is connected with the baffle through the connecting axle rotary type, all install the torsional spring on the connecting axle of the fixed separator box of baffle both sides, the both ends of torsional spring are connected with baffle and fixed separator box respectively, the lower surface mounting of baffle has the montant, utilize fixed separator box to accomplish the separation to the solid of mud and liquid.

Furthermore, the front side surface and the rear side surface of the fixed separation box are both net-shaped.

Further, the sewage fermentation mechanism comprises a conveying box, liquid outlet pipes, a fermentation box, a top plate, a box cover, partition plates, a sealing shell, a speed reducing motor, a rotating shaft, stirring blades, a discharging component, a filtering component and a knocking component, wherein the conveying box is connected to the upper surface of the containing box and is communicated with the discharging box, two liquid outlet pipes are embedded in the right surface of the conveying box, electromagnetic valves are arranged in the liquid outlet pipes, the upper surface of the conveying box is provided with the fermentation box, the top of the fermentation box is fixedly connected with the top plate, the box cover is arranged on the top plate in a sliding mode, partition plates for separating the fermentation box into an upper cavity and a lower cavity are arranged in the fermentation box and are positioned on the lower side of the top plate, the sealing shell is fixedly connected between the partition plates and the top plate, the speed reducing motor is arranged in the sealing shell, the speed reducing motor is arranged on the lower surface of the top plate, the rotating shaft is rotatably arranged in the middle of the partition plates, the upper end of the rotating shaft is fixedly connected with an output shaft of the speed reducing motor, and three groups of stirring blades are vertically connected with the circumferential wall of the rotating shaft, a set of stirring leaf is two and the symmetry sets up, installs the unloading subassembly in the fermenting case, and the unloading subassembly respectively with baffle and roof rigid coupling, the inside of carrying the case is provided with filtering component, is provided with on the filtering component and strikes the subassembly, strikes subassembly and fermenting case rigid coupling, rotates through the stirring leaf and makes sewage and biological fermentation treatment agent fully fuse, accomplishes the purification work to sewage.

Further, the blanking assembly comprises a material containing frame, a fixing plate, a first rack, a floating ball, a rotating rod, a first straight gear, a second straight gear, a connecting plate, a second rack, a quantitative frame, a material baffle plate and a contact switch, wherein the material containing frame is connected in the fermentation box, the upper surface of the material containing frame is fixedly connected with the top plate, the material containing frame is fixedly connected with the baffle plate, a box cover is positioned above the material containing frame, the fixing plate is installed in the fermentation box and positioned at the lower side of the baffle plate, the first rack is arranged at one end of the fixing plate in a sliding manner, the floating ball is installed at the lower part of the first rack, the rotating rod is rotatably installed in the fermentation box and positioned at the rear side of the fixing plate, the first straight gear and the second straight gear are installed on the rotating rod, the second straight gear is positioned at one side of the first straight gear, the second straight gear is meshed with the first rack, the connecting plate is installed on the upper surface of the fixing plate, the second rack is slidably arranged at the right part of the connecting plate, the second rack is meshed with the first straight gear, a quantitative frame is arranged on the right surface of the second rack and is in sliding fit with the connecting plate, the quantitative frame is located under the material containing frame, a material baffle is arranged on the rear surface of the quantitative frame, a contact switch is arranged on the front portion of the connecting plate and is electrically connected with a speed reduction motor, and quantitative blanking of the biological fermentation treatment agent is completed by moving the quantitative frame.

Further, the filtering component comprises a filtering screen plate, an arc plate, annular sleeves, annular plates, a two-way motor, a propeller, a first belt wheel, screw rods, a second belt wheel, a sector plate and a scraper plate, the filtering screen plate is installed on the front side and the rear side in the conveying box, the arc plate is connected to the lower portion in the conveying box, the annular sleeves are installed on the two ends of the arc plate, the annular plates are rotatably installed between the two annular sleeves, a feed opening is formed in the front portion of the annular plate, the two-way motor is arranged in the annular sleeve on the right side, the propeller is installed on the left output shaft of the two-way motor, the left portion of the propeller penetrates through the annular sleeve on the left side, the first belt wheel is installed on the right output shaft of the two-way motor, the two screw rods are rotatably installed on the upper portion of the conveying box, the threads on the two ends of each screw rod are oppositely arranged, the screw rods are located on the upper side of the filtering screen plate, the second belt wheel is installed on the right end of the screw rods, and a belt is wound between the first belt wheel and the two second belt wheels, the fan-shaped plates are respectively connected to the positions of the opposite threads between the two screws, the inner surfaces of the fan-shaped plates on the two sides are respectively provided with two scrapers, the scrapers are tightly attached to the filter screen plate, purified water is filtered again through the filter screen plate, and the water which flows out is prevented from containing solids or sludge.

Furthermore, the two parts of the annular plate are provided with slideways, the middle part of the lower surface of the sector plate is provided with a sliding ball, and the sliding balls on the sector plate are respectively matched with the slideways on the annular plate at the same side.

Further, the knocking component comprises two L-shaped plates, a disc, contact plates, connecting blocks, a second spring, contact blocks, contact rods and a telescopic hose, wherein the two L-shaped plates are respectively connected to the outer surfaces of the fan-shaped plates at two sides, the shaft rods are rotatably installed on the upper portions of the L-shaped plates, the disc is arranged in the middle of the shaft rods, an arc-shaped groove is formed in the upper portion of the disc, the contact plates are rotatably installed on the shaft rods, the contact plates are slidably located in the arc-shaped groove of the disc, torsion springs are sleeved on the shaft rods at two sides of the disc, two ends of each torsion spring are fixedly connected with the L-shaped plates and the disc respectively, the connecting blocks are fixedly connected to the circumferential wall of the disc, the connecting blocks at two sides are located outside the contact plates at two sides, the second springs are installed on the connecting blocks, the contact blocks are fixedly connected to two sides of the lower surface in the fermentation box, and are matched with the contact rods, two expansion hoses have all been inlayed to the sector plate of both sides, and expansion hose inlays on the lateral wall of fermentation case, and expansion hose's upper end is located the upside of baffle, is equipped with the solenoid valve in the expansion hose, utilizes the touch piece and touches the pole cooperation, makes the sector plate vibrations, avoids being stained with mud on the sector plate.

Further, the device comprises a rotating rod, a rotating disk, a ball body, a torsion spring, a first guide group, a second guide group, an arc-shaped pipe, a third guide group, a sliding block, a third spring, a pull rope, a fixed block, a wedge-shaped block and a fourth spring, wherein the rotating rod is rotatably installed on the upper portion of the feeding pipe, the rotating disk is installed at the left end of the rotating rod, the ball body is fixedly connected with the feeding pipe in a sealing fit mode, a feeding groove is formed in the ball body in a penetrating mode, the torsion spring is sleeved on the outer side of the rotating rod, two ends of the torsion spring are fixedly connected with the rotating disk and the feeding pipe respectively, the first guide group is installed on the feeding pipe and located on the lower side of the rotating rod, the second guide group is installed on the left surface of the fixed separation box, the arc-shaped pipes are installed on the left surface and the right surface of the blanking box, the third guide group is installed on the outer surfaces of the arc-shaped pipes on two sides, and a sliding block is arranged in the arc-shaped pipes in a sliding mode, the rigid coupling has the third spring between sliding block and the arc, the draw-in groove has been seted up at the middle part of sliding block, the upper portion rigid coupling of sliding block has the stay cord, the stay cord is walked around the third direction group in proper order, second direction group and first direction group and carousel rigid coupling, the fixed block of fixing at the workbin side surface is installed to the lower part of arc, it is equipped with the wedge to slide on the fixed block, the rigid coupling has the fourth spring between wedge and the fixed block, the arc of homonymy is passed on the upper portion of wedge, the upper portion of wedge is located the sliding block draw-in groove of homonymy, utilize the montant to extrude the wedge downwards, it makes the spheroid rotate to remove the fixed of sliding block, accomplish the closure to the feeder tube area, when avoiding the mud in the fixed separation incasement to shift out, sewage continues to carry in the fixed separation incasement.

Furthermore, the circumferential wall of the rotary table is concavely arranged to form an inner groove.

The beneficial effects are that: the invention completes the separation of solid and liquid of sludge by the cooperation of the fixed separation mechanism and the sewage fermentation mechanism and the fixed separation box, completes the quantitative blanking of the biological fermentation treatment agent by the movement of the quantitative frame, fully fuses the sewage and the biological fermentation treatment agent by the rotation of the stirring blade, completes the purification work of the sewage, and re-filters the purified water by the filter screen plate to avoid the outflow water containing the solid or the sludge; utilize the montant to extrude the wedge downwards, remove the fixed messenger spheroid rotation to the sliding block, accomplish the closure to the feeding tube area, when avoiding the mud in the fixed separator box to shift out, sewage continues to carry in the fixed separator box.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic sectional perspective view of the fixed separating mechanism of the present invention.

Fig. 3 is a schematic view of a partially cut-away perspective structure of the fixed separating mechanism of the present invention.

FIG. 4 is a schematic sectional perspective view of the sewage fermentation mechanism of the present invention.

FIG. 5 is a schematic view of a first partial three-dimensional structure of the sewage fermentation mechanism of the present invention.

FIG. 6 is a schematic view of a partial three-dimensional structure of the sewage fermentation mechanism of the present invention.

FIG. 7 is a schematic view of a second partial perspective structure of the sewage fermentation mechanism of the present invention.

FIG. 8 is a schematic view of a partial sectional three-dimensional structure of the sewage fermentation mechanism of the present invention.

FIG. 9 is a schematic view of a third partial perspective structure of the sewage fermentation mechanism of the present invention.

FIG. 10 is a schematic view of a fourth partial perspective structure of the sewage fermentation mechanism of the present invention.

FIG. 11 is a schematic view of a fifth partial perspective structure of the sewage fermentation mechanism of the present invention.

Fig. 12 is a schematic sectional perspective view of a first embodiment of the present invention.

Fig. 13 is a schematic cross-sectional perspective view of the second embodiment of the present invention.

In the reference symbols: 1-containing box, 2-fixed separating mechanism, 201-discharging box, 202-vertical plate, 203-inclined plate, 204-hollow frame, 205-guide rod, 206-guide block, 207-first spring, 208-fixed separating box, 209-discharging pipe, 210-baffle plate, 211-vertical rod, 3-feeding pipe, 4-sewage fermenting mechanism, 401-conveying box, 402-discharging pipe, 403-fermenting box, 404-top plate, 405-box cover, 406-partition plate, 407-sealing shell, 408-speed reducing motor, 409-rotating shaft, 410-stirring blade, 411-containing frame, 412-fixing plate, 413-first rack, 414-floating ball, 415-rotating rod, 416-first straight gear, 417-second straight gear, 418-connecting plate, 419-second rack, 420-quantitative frame, 421-baffle plate, 4211-contact switch, 422-filter screen plate, 423-arc plate, 424-annular sleeve, 425-annular plate, 426-two-way motor, 427-propeller, 428-first belt wheel, 429-screw rod, 430-second belt wheel, 431-sector plate, 432-scraper, 433-L plate, 434-shaft rod, 435-disc, 436-contact plate, 437-connecting block, 438-second spring, 439-contact block, 440-contact rod, 441-telescopic hose, 6-rotating rod, 7-rotating disc, 8-sphere, 9-torsion spring, 10-first guide group, 11-second guide group, 12-arc tube, 13-a third guide group, 14-a sliding block, 15-a third spring, 16-a pull rope, 17-a fixed block, 18-a wedge-shaped block and 19-a fourth spring.

Detailed Description

The invention will be further described with reference to examples of embodiments shown in the drawings to which the invention is attached.

Example 1

The utility model provides an oil field sewage fermentation device with fixed separation function, as shown in figure 1, including holding case 1, fixed separating mechanism 2, inlet pipe 3 and sewage fermentation mechanism 4, the upper surface that holds case 1 is provided with fixed separating mechanism 2 and sewage fermentation mechanism 4, fixed separating mechanism 2 is used for carrying out the separation of solid and liquid to the sewage of input, make the liquid of separating flow into sewage fermentation mechanism 4, sewage fermentation mechanism 4 is used for purifying sewage, through the abundant integration of biological fermentation treatment agent and sewage, make it accomplish the purification, make its emission standard that reaches after purifying simultaneously, be provided with inlet pipe 3 on the fixed separating mechanism 2, fixed separating mechanism 2 is located one side of sewage fermentation mechanism 4, fixed separating mechanism 2 and sewage fermentation mechanism 4 are connected.

When in use, an operator places the device at a proper position, and the sewage pipeline is communicated with the feeding pipe 3, and simultaneously the clear water output pipeline is communicated with the sewage fermentation mechanism 4, and simultaneously the operator adds a proper amount of biological fermentation treatment agent into the sewage fermentation mechanism 4, then the operator enables the sewage pipeline to discharge sewage into the feeding pipe 3, the sewage in the feeding pipe 3 downwards enters the fixed separation mechanism 2, the fixed separation mechanism 2 then carries out fixed separation on the discharged sewage, the separated liquid then flows into the sewage fermentation mechanism 4, and as the sewage in the sewage fermentation mechanism 4 continuously increases, when a proper amount of sewage is stored in the sewage fermentation mechanism 4, the sewage fermentation mechanism 4 works therewith, the sewage fermentation mechanism 4 works to ferment the sewage through the biological fermentation treatment agent, and the purification work of the sewage is completed, after sewage purification is finished, an operator discharges purified sewage through a clear water conveying pipeline, so that the phenomenon that sludge in the oilfield sewage collides with a biological fermentation treatment agent to wrap a part of the biological fermentation treatment agent, the biological fermentation treatment agent cannot be fully fused with the sewage, and the purified water cannot reach the discharge standard is avoided.

Example 2

On the basis of embodiment 1, as shown in fig. 2 to 11, the fixed separation mechanism 2 includes a blanking box 201, vertical plates 202, inclined plates 203, a hollow frame 204, guide rods 205, guide blocks 206, first springs 207, a fixed separation box 208, a discharge pipe 209, baffles 210 and vertical rods 211, the blanking box 201 is connected to the upper surface of the containing box 1, the vertical plates 202 are installed on the left and right sides of the upper surface of the blanking box 201, the inclined plates 203 are installed on the front and rear sides of the upper surface of the blanking box 201, the inclined plates 203 are used for allowing separated liquid to rapidly flow into the sewage fermentation mechanism 4 to avoid the separated liquid from staying, the hollow frame 204 is fixedly connected between the vertical plates 202 on both sides and the upper portions of the inclined plates 203 on both sides, the two guide rods 205 are installed on the front and rear sides of the upper surface of the blanking box 201, the guide blocks 206 are slidably installed on the upper portions of the guide rods 205, the first springs 207 are fixedly connected between the guide blocks 206 and the blanking box 201, four first springs 207 are respectively sleeved outside the four guide rods 205, a fixed separation box 208 is installed between the four guide blocks 206, the front side surface and the rear side surface of the fixed separation box 208 are respectively in a net shape, the fixed separation box 208 is used for separating discharged sewage to enable liquid and solids to complete separation work and facilitate purification work of the sewage, a feeding pipe 3 is embedded in the middle of the upper surface of the fixed separation box 208, discharge pipes 209 are embedded in both sides of the right surface of the hollow frame 204, baffle plates 210 are rotatably connected to both sides of the lower surface of the fixed separation box 208 through connecting shafts, torsion springs are installed on the connecting shafts of the fixed separation box 208 on both sides of the baffle plates 210, both ends of each torsion spring are respectively connected with the baffle plate 210 and the fixed separation box 208, sludge support with certain weight is completed through the torsion springs and the baffle plates 210 on the fixed separation box 208, and fixation separation work of the discharged sewage is facilitated, the lower surface of the baffle 210 is provided with a vertical rod 211.

The sewage fermentation mechanism 4 comprises a conveying box 401, liquid outlet pipes 402, a fermentation box 403, a top plate 404, a box cover 405, a partition plate 406, a sealing shell 407, a speed reducing motor 408, a rotating shaft 409, a stirring blade 410, a material containing frame 411, a fixing plate 412, a first rack 413, a floating ball 414, a rotating rod 415, a first straight gear 416, a second straight gear 417, a connecting plate 418, a second rack 419, a quantifying frame 420, a material blocking plate 421, a contact switch 4211, a filtering component and a knocking component, wherein the conveying box 401 is connected to the upper surface of the containing box 1, the conveying box 401 is communicated with the blanking box 201, the two liquid outlet pipes 402 are embedded on the right surface of the conveying box 401, an electromagnetic valve is arranged in the liquid outlet pipes 402, the fermentation box 403 is arranged on the upper surface of the conveying box 401, the top plate 404 is fixedly connected with the top plate 404, the box cover 405 is slidably arranged on the top plate 404, the partition plate 406 which is arranged in the fermentation box 403 and is divided into an upper cavity and a lower cavity, the upper cavity is used for containing water, the lower cavity is used for carrying out sewage fermentation, the partition plate 406 is positioned at the lower side of the top plate 404, a sealing shell 407 is fixedly connected between the partition plate 406 and the top plate 404, a speed reducing motor 408 is arranged in the sealing shell 407, the speed reducing motor 408 is arranged on the lower surface of the top plate 404 through bolts, a rotating shaft 409 is rotatably arranged in the middle of the partition plate 406, the upper end of the rotating shaft 409 is fixedly connected with an output shaft of the speed reducing motor 408, three groups of stirring blades 410 are vertically connected to the circumferential wall of the rotating shaft 409, one group of stirring blades 410 are symmetrically arranged, the stirring blades 410 rotate to fully fuse biological fermentation treatment agents and sewage, the sewage purification work is completed, a material containing frame 411 is arranged in the upper cavity in the fermentation box 403, the material containing frame 411 is used for containing the biological fermentation treatment agents, the upper surface of the material containing frame 411 is fixedly connected with the top plate 404, the lower end of the material containing frame 411 is fixedly connected with the partition plate 406, and the box cover 405 is positioned above the material containing frame 411, so that the biological fermentation treatment agent can be put into the tank cover 405. A fixed plate 412 is arranged in the fermentation box 403, the fixed plate 412 is positioned at the lower side of the partition plate 406, one end of the fixed plate 412 is provided with a first rack 413 in a sliding manner, the lower part of the first rack 413 is provided with a floating ball 414, the floating ball 414 is used for detecting the sewage level in the fermentation box 403, a rotating rod 415 is rotatably arranged in the fermentation box 403, a first straight gear 416 and a second straight gear 417 are arranged on the rotating rod 415, the second straight gear 417 is positioned at one side of the first straight gear 416, the second straight gear 417 is meshed with the first rack 413, the upper surface of the fixed plate 412 is provided with a connecting plate 418, the right part of the connecting plate 418 is provided with a second rack 419 in a sliding manner, the second rack 419 is meshed with the first straight gear 416, the right surface of the second rack 419 is provided with a quantitative frame 420, the quantitative frame 420 is matched with an opening at the lower end of the material containing frame 411 for realizing quantitative discharging of the biological fermentation treatment agent, the biological fermentation treatment agent is upwards moved by the floating ball 414 and passes through the first rack 413, The rotating rod 415, the first straight gear 416, the second straight gear 417 and the second rack 419 are matched to realize the movement of the quantitative frame 420 and complete quantitative blanking of the biological fermentation treatment agent, the quantitative frame 420 is in sliding fit with the connecting plate 418, the quantitative frame 420 is located under the material containing frame 411, a baffle plate 421 is installed on the rear surface of the quantitative frame 420, the baffle plate 421 is used for shielding a blanking port of the material containing frame 411 when the quantitative frame 420 moves away from the material containing frame 411, a contact switch 4211 is arranged on the front portion of the connecting plate 418, the contact switch 4211 is touched by the second rack 419 to enable the speed reduction motor 408 to work, so that the stirring blade 410 rotates to fuse the biological fermentation treatment agent and sewage, the contact switch 4211 is electrically connected with the speed reduction motor 408, a filtering assembly is arranged inside the conveying box 401, a knocking assembly is arranged on the filtering assembly, and the knocking assembly is fixedly connected with the fermentation box 403.

As shown in fig. 6-10, the filtering assembly includes a filtering net plate 422, an arc-shaped plate 423, an annular sleeve 424, an annular plate 425, a bidirectional motor 426, a propeller 427, a first pulley 428, a screw 429, a second pulley 430, a sector plate 431 and a scraper 432, the filtering net plate 422 is installed on the front side and the rear side of the conveying box 401, the filtering net plate 422 is used for filtering the purified water again to avoid solid or sludge in the discharged water, the arc-shaped plate 423 is connected to the lower portion of the conveying box 401, the annular sleeves 424 are installed on both ends of the arc-shaped plate 423, the annular plate 425 is rotatably installed between the two annular sleeves 424, a feed opening is opened on the front portion of the annular plate 425, the annular plate 425 is used for supporting the settled solid and sludge, the bidirectional motor 426 is installed in the annular sleeve 424 on the right side, the bidirectional motor 426 is a dual output shaft motor, the propeller 427 is installed on the left output shaft of the bidirectional motor 426, the propeller 427 rotates to convey solids and sludge, the left part of the propeller 427 penetrates through the left annular sleeve 424, the right output shaft of the bidirectional motor 426 is provided with a first belt pulley 428, the upper part of the conveying box 401 is rotatably provided with two screw rods 429, threads at two ends of each screw rod 429 are arranged oppositely, the screw rods 429 are positioned at the upper side of the filter screen 422, the right ends of the screw rods 429 are provided with second belt pulleys 430, a belt is wound between the first belt pulley 428 and the two second belt pulleys 430, sector plates 431 are respectively connected between the two screw rods 429 at opposite threads, two scrapers 432 are respectively arranged on the inner surfaces of the sector plates 431 at two sides, the scrapers 432 are tightly attached to the filter screen 422, slideways are respectively arranged at two parts of the annular plates 425, sliding balls are arranged in the middle parts of the lower surfaces of the sector plates 431 and are respectively matched with the slideways on the annular plate 425 at the same side, the sector plates 431 at two sides are close to each other and clean the sludge on the filter screen 422 through the scrapers 432, and the sludge on the filter screen 422 is close to the middle, and the feed opening of the annular plate 425 rotates to the lower side of the solid and the sludge, so that the solid and the sludge fall downwards into the propeller 427 and are conveyed through the rotation of the propeller 427.

As shown in fig. 4, 9 and 11, the knocking assembly includes two L-shaped plates 433, a shaft 434, a disc 435, a contact plate 436, a connection block 437, a second spring 438, a touch block 439, a touch rod 440 and a flexible hose 441, the two L-shaped plates 433 are respectively connected to the outer surfaces of the sector plates 431 at both sides, the shaft 434 is rotatably installed on the upper portion of the L-shaped plate 433, the disc 435 is installed at the middle portion of the shaft 434, an arc-shaped groove is formed on the upper portion of the disc 435, the contact plate 436 is rotatably installed on the shaft 434, the contact plate 436 is slidably located in the arc-shaped groove of the disc 435, torsion springs are respectively sleeved on the shaft 434 at both sides of the disc 435, both ends of the torsion springs are respectively fixedly connected with the L-shaped plates 433 and the disc 435, the connection block 437 is fixedly connected to the circumferential wall of the disc 435, the connection blocks 437 at both sides are located outside the contact plate 436 at both sides, the second spring 438 is installed on the connection block 437, the contact block 439 is fixedly connected to the second spring 438, the lower surface both sides in the fermentation case 403 all the rigid coupling have a plurality of touching pole 440, touching pole 440 and contact plate 436 cooperate, two flexible hoses 441 have all been inlayed to the sector plate 431 of both sides, flexible hose 441 inlays on the lateral wall of fermentation case 403, the upper end of flexible hose 441 is located the upside of baffle 406, be equipped with the solenoid valve in the flexible hose 441, cooperate with contact plate 436 through touching pole 440, make sector plate 431 vibrate, avoid gluing mud and solid on the sector plate 431.

When the device is used, an operator opens the box cover 405, pours a proper amount of biological fermentation treatment agent into the material containing frame 411, the biological fermentation treatment agent in the material containing frame 411 falls down into the quantitative frame 420, communicates the sewage pipeline with the feeding pipe 3, communicates the liquid outlet pipe 402 with the clean water conveying pipeline, discharges sewage into the feeding pipe 3 through the sewage pipeline, the sewage falls into the fixed separation box 208 through the feeding pipe 3, at the moment, the fixed separation box 208 is used for separating solid and liquid in the sewage, the separated liquid flows into the liquid outlet pipe 209 through the inclined plate 203, the sewage in the liquid outlet pipe 209 flows into the fermentation box 403 rightwards, the weight of the fixed separation box 208 increases along with the increase of sludge in the fixed separation box 208, at the moment, the fixed separation box 208 moves downwards along with the increase of the weight, the fixed separation box 208 moves downwards to drive the guide block 206 to move downwards, the first spring 207 is compressed, when the weight of sludge in the fixed separation box 208 is larger than the elastic force of a torsion spring on the fixed separation box 208, the baffle 210 swings downwards to open the discharge hole of the fixed separation box 208 at the moment, the sludge in the fixed separation box 208 falls downwards in the blanking box 201, the sludge in the blanking box 201 falls downwards in the containing box 1, when a proper amount of sludge is in the containing box 1, an operator cleans the sludge in the containing box 1, the sludge in the fixed separation box 208 falls downwards, the baffle 210 swings upwards to reset under the action of the torsion spring on the fixed separation box 208 at the moment, and the fixed separation box 208 moves upwards to reset under the action of the first spring 207.

With the increasing of the sewage in the fermentation box 403, the liquid level of the sewage in the fermentation box 403 causes the floating ball 414 to move upwards, the floating ball 414 moves upwards to drive the first rack 413 to move upwards, the first rack 413 moves upwards through the transmission of the first straight gear 416 and the second straight gear 417 to cause the second rack 419 to move forwards, the second rack 419 moves forwards to drive the quantitative frame 420 to move forwards, the quantitative frame 420 moves forwards to drive the baffle 421 to move forwards, the baffle 421 moves forwards to slowly open the discharge port of the material containing frame 411, when the quantitative frame 420 moves forwards to be out of contact with the fixed plate 412, the biological fermentation treatment agent in the quantitative frame 420 falls into the fermentation box 403, the second rack 419 touches the contact switch 4211 at the moment, the contact switch 4211 starts the speed reduction motor 408 to work, the speed reduction motor 408 works to cause the rotating shaft 409 to work, and the rotating shaft 409 rotates to drive the stirring blade 410 to rotate, the stirring blade 410 rotates to fully fuse the biological fermentation treatment agent with the sewage, so as to realize the purification treatment of the sewage, when the purification treatment of the sewage in the fermentation box 403 is completed, an operator closes the speed reducing motor 408 and opens the electromagnetic valve of the liquid outlet pipe 402, the purified water in the fermentation box 403 is filtered again through the filter screen plate 422, the liquid falls into the conveying box 401 through the filter screen plate 422, the water in the conveying box 401 flows into the clear water conveying pipeline through the liquid outlet pipe 402 along with the water in the fermentation box 403 continuously decreases, the floating ball 414 moves downwards along with the water, so that the material fixing frame 420 moves leftwards and resets, when the solid and sludge on the filter screen plate 422 need to be cleaned, at the moment, the operator starts the two-way motor 426 to work, the propeller 427 and the first belt pulley 428 rotate by the operation of the two-way motor 426, the first belt pulley 428 rotates to rotate the second belt pulley 430 by the belt, the second belt wheel 430 rotates to rotate the screw rod 429, the screw rod 429 rotates to draw the fan-shaped plates 431 at the two sides together, the fan-shaped plates 431 at the two sides are drawn together to drive the L-shaped plate 433, the shaft lever 434, the disc 435, the contact plate 436, the connecting block 437, the second spring 438, the touch block 439 and the telescopic hose 441 at the same side together, when the contact plate 436 is contacted with the touch rod 440, the contact plate 436 at the two sides continues to be drawn together, the contact plate 436 at the two sides swings outwards to drive the disc 435 at the two sides to rotate outwards, the torsion spring is screwed therewith, the disc 435 at the two sides swings outwards to drive the connecting block 437, the second spring 438 and the touch block 439 at the same side to move outwards to beat the L-shaped plate 433 at the same side, so that the L-shaped plate 433 vibrates to drive the fan-shaped plates 431 to vibrate, thereby preventing sludge from sticking to the fan-shaped plates 431, when the contact plate 436 is far from the touch rod 440, the disc 435 is reset under the action of the torsion spring, and at the same time, the electromagnetic valve in the telescopic hose 441 is opened by an operator, at the same time, water on the upper side of the partition 406 is sprayed onto the sector plates 431 through the telescopic hose 441 downwards, the sector plates 431 are cleaned, so that solid and sludge are conveniently cleaned, the sector plates 431 on the two sides are closed to enable the annular plate 425 to rotate anticlockwise, the annular plate 425 rotates anticlockwise to enable the feed opening to be positioned between the filter screen plates 422 on the two sides, the sector plates 431 on the two sides are closed to drive the scrapers 432 thereon to close, the scrapers 432 move to scrape the sludge on the filter screen plates 422, at the moment, the sludge falls onto the propeller 427 through the feed opening of the annular plate 425 downwards, the propeller rotates to convey the sludge to the left, so that the solid and sludge generated during purification are cleaned, and after the sludge is cleaned, the operator activates the bi-directional motor 426 to reset the sector plate 431 and then the operator deactivates the bi-directional motor 426.

Example 3

On the basis of the embodiment 2, as shown in fig. 2, 12 and 13, the sewage treatment device further comprises a rotating rod 6, a rotating disk 7, a ball 8, a torsion spring 9, a first guide group 10, a second guide group 11, an arc-shaped pipe 12, a third guide group 13, a sliding block 14, a third spring 15, a pull rope 16, a fixed block 17, a wedge block 18 and a fourth spring 19, wherein the rotating rod 6 is rotatably installed on the upper part of the feeding pipe 3, the rotating disk 7 is installed at the left end of the rotating rod 6, an inner groove is concavely arranged on the circumferential wall of the rotating disk 7, the ball 8 is fixedly connected to the right end of the rotating rod 6, the ball 8 is in sealing fit with the feeding pipe 3, a feeding groove is vertically arranged in the middle of the ball 8 in a penetrating manner, the ball 8 rotates to close or open the feeding pipe 3, when the sludge in the fixed separation box 208 is prevented from moving out, the sewage is continuously conveyed into the fixed separation box 208, the torsion spring 9 is sleeved outside the rotating rod 6, two ends of a torsion spring 9 are respectively fixedly connected with a rotary disc 7 and a feed pipe 3, a first guide group 10 is installed on the feed pipe 3, the first guide group 10 is positioned at the lower side of a rotating rod 6, a second guide group 11 is installed on the left surface of a fixed separation box 208, arc pipes 12 are installed on the left surface and the right surface of a blanking box 201, third guide groups 13 are installed on the outer surfaces of the arc pipes 12 at two sides, the first guide group 10, the second guide group 11 and the third guide groups 13 are used for guiding work, sliding blocks 14 are arranged in the arc pipes 12 in a sliding mode, third springs 15 are fixedly connected between the sliding blocks 14 and the arc pipes 12, clamping grooves are formed in the middle of the sliding blocks 14, pull ropes 16 are fixedly connected to the upper portions of the sliding blocks 14, the pull ropes 16 sequentially bypass the third guide groups 13, the second guide groups 11 and the first guide group 10 to be fixedly connected with the rotary disc 7, fixed blocks 17 fixed on the side surface of the blanking box 201 are installed on the lower portions of the arc pipes 12, a wedge block 18 is arranged on the fixed block 17 in a sliding mode, a fourth spring 19 is fixedly connected between the wedge block 18 and the fixed block 17, the upper portion of the wedge block 18 penetrates through the arc-shaped pipe 12 on the same side, and the upper portion of the wedge block 18 is located in the sliding block 14 clamping groove on the same side.

Initially, the torsion spring 9 is in a screwing state, the third spring 15 is in a stretching state, the fixed separation box 208 moves downwards to drive the baffle 210 to move downwards, the baffle 210 moves downwards to drive the vertical rod 211 to move downwards, when the vertical rod 211 moves downwards to be inserted into the clamping groove of the sliding block 14, the fixed separation box 208 continues to move downwards, so that the vertical rod 211 downwards extrudes the wedge-shaped block 18, the wedge-shaped block 18 is moved out of the clamping groove of the sliding block 14, the fourth spring 19 is compressed along with the wedge-shaped block, at the same time, the sliding block 14 is driven to slide upwards under the action of the third spring 15, the sliding block 14 slides upwards to enable the baffle 210 to swing downwards through the vertical rod 211, at the same time, the rotating rod 6 rotates backwards under the action of the torsion spring 9, the rotating rod 6 rotates backwards to drive the rotating disk 7 and the ball 8 to rotate backwards, the ball 8 rotates backwards to close the feeding pipe 3, so that sewage is prevented from entering the fixed separation box 208 through the feeding pipe 3, the rotating disc 7 rotates backwards and then winds the pulling rope 16, when the sludge in the fixed separation box 208 moves out, the fixed separation box 208 moves upwards under the action of the first spring 207, the baffle 210 swings and resets under the action of the torsion spring on the fixed separation box 208, the vertical rod 211 swings and resets along with the baffle, the vertical rod 211 swings and resets to drive the sliding block 14 to reset, the third spring 15 stretches along with the vertical rod 211, the vertical rod 211 moves upwards along with the vertical rod, when the sliding block 14 resets, the wedge-shaped block 18 moves upwards under the action of the fourth spring 19 and is clamped into the sliding block 14 to complete the limit of the sliding block 14, the sliding block 14 resets to drive the rotating disc 7 to rotate and reset through the pulling rope 16, the torsion spring 9 is screwed along with the torsion spring, the rotating disc 7 resets to drive the sphere 8 to rotate and reset, the feeding pipe 3 is opened along with the feeding pipe, the sewage filtering work can be completed by repeating the steps, and the sludge in the fixed primary separation box 208 is prevented from moving out, the sewage continues to be transported into the stationary separator tank 208.

The above-mentioned embodiments are merely preferred embodiments of the present invention, which are not intended to limit the scope of the present invention, and therefore, all equivalent changes made by the contents of the claims of the present invention should be included in the claims of the present invention.

Claims

1. The utility model provides an oil field sewage fermenting installation with fixed separation work ability, including holding case (1), its characterized in that: the device is characterized by also comprising a fixed separation mechanism (2), a feeding pipe (3) and a sewage fermentation mechanism (4), wherein the fixed separation mechanism (2) and the sewage fermentation mechanism (4) are arranged on the upper surface of the containing box (1), the feeding pipe (3) is arranged on the fixed separation mechanism (2), the fixed separation mechanism (2) is positioned on one side of the sewage fermentation mechanism (4), and the fixed separation mechanism (2) is connected with the sewage fermentation mechanism (4);

the fixed separation mechanism (2) comprises a blanking box (201), vertical plates (202), inclined plates (203), hollow frames (204), guide rods (205), guide blocks (206), first springs (207), a fixed separation box (208), discharge pipes (209), baffle plates (210) and vertical rods (211), the blanking box (201) is connected to the upper surface of the containing box (1), the vertical plates (202) are mounted on the left side and the right side of the upper surface of the blanking box (201), the inclined plates (203) are mounted on the front side and the rear side of the upper surface of the blanking box (201), the hollow frames (204) are fixedly connected between the vertical plates (202) on the two sides and the upper portions of the inclined plates (203) on the two sides, the two guide rods (205) are mounted on the front side and the rear side of the upper surface of the blanking box (201), the guide blocks (206) are slidably arranged on the upper portions of the guide rods (205), and the first springs (207) are fixedly connected between the guide blocks (206) and the blanking box (201), four first springs (207) overlap respectively in the outside of four guide arms (205), install fixed separator box (208) between four guide block (206), inlet pipe (3) inlay the upper surface middle part in fixed separator box (208), discharging pipe (209) have all been inlayed to the right surface both sides of hollow frame (204), the lower surface left and right sides of fixed separator box (208) all is connected with baffle (210) through the connecting axle rotary type, all install the torsional spring on the connecting axle of fixed separator box (208) of baffle (210) both sides, the both ends of torsional spring are connected with baffle (210) and fixed separator box (208) respectively, montant (211) are installed to the lower surface of baffle (210).

2. The oilfield sewage fermentation device with the fixed separation function as claimed in claim 1, wherein: the front side and the rear side of the fixed separation box (208) are both net-shaped.

3. The oilfield sewage fermentation device with the fixed separation function as claimed in claim 1, wherein: the sewage fermentation mechanism (4) comprises a conveying box (401), liquid outlet pipes (402), a fermentation box (403), a top plate (404), a box cover (405), a partition plate (406), a sealing shell (407), a speed reduction motor (408), a rotating shaft (409), stirring blades (410), a discharging component, a filtering component and a knocking component, wherein the conveying box (401) is connected to the upper surface of the containing box (1), the conveying box (401) is communicated with the discharging box (201), two liquid outlet pipes (402) are embedded on the right surface of the conveying box (401), an electromagnetic valve is arranged in each liquid outlet pipe (402), the fermentation box (403) is installed on the upper surface of the conveying box (401), the top plate (404) is fixedly connected to the top of the fermentation box (403), the box cover (405) is arranged on the top plate (404) in a sliding mode, the partition plate (406) which is divided into an upper cavity and a lower cavity is installed in the fermentation box (403), and the partition plate (406) is located on the lower side of the top plate (404), the rigid coupling has sealed shell (407) between baffle (406) and roof (404), be equipped with gear motor (408) in sealed shell (407), the lower surface at roof (404) is installed in gear motor (408), pivot (409) are installed to the middle part rotary type of baffle (406), the upper end of pivot (409) and the output shaft rigid coupling of gear motor (408), the circumference wall vertical connection of pivot (409) has three groups stirring leaf (410), a set of stirring leaf (410) is two and the symmetry sets up, install the unloading subassembly in fermenting case (403), the unloading subassembly respectively with baffle (406) and roof (404) rigid coupling, the inside of delivery box (401) is provided with filtering component, the last subassembly that strikes that is provided with of filtering component, strike subassembly and fermenting case (403) rigid coupling.

4. The oilfield sewage fermentation device with the fixed separation function as claimed in claim 3, wherein: the blanking assembly comprises a material containing frame (411), a fixing plate (412), a first rack (413), a floating ball (414), a rotating rod (415), a first straight gear (416), a second straight gear (417), a connecting plate (418), a second rack (419), a quantitative frame (420), a material baffle plate (421) and a contact switch (4211), wherein the material containing frame (411) is connected in the fermentation box (403), the upper surface of the material containing frame (411) is fixedly connected with a top plate (404), the lower end of the material containing frame (411) is fixedly connected with a partition plate (406), a box cover (405) is positioned above the material containing frame (411), the fixing plate (412) is installed in the fermentation box (403), the fixing plate (412) is positioned on the lower side of the partition plate (406), a first rack (413) is arranged at one end of the fixing plate (412) in a sliding manner, the floating ball (414) is installed at the lower part of the first rack (413), the rotating rod (415) is installed in the fermentation box (403) in a rotating manner, the rotary rod (415) is located on the rear side of the fixing plate (412), a first straight gear (416) and a second straight gear (417) are mounted on the rotary rod (415), the second straight gear (417) is located on one side of the first straight gear (416), the second straight gear (417) is meshed with a first rack (413), a connecting plate (418) is mounted on the upper surface of the fixing plate (412), a second rack (419) is arranged on the right portion of the connecting plate (418) in a sliding mode, the second rack (419) is meshed with the first straight gear (416), a quantitative frame (420) is mounted on the right surface of the second rack (419), the quantitative frame (420) is in sliding fit with the connecting plate (418), the quantitative frame (420) is located right below the material containing frame (411), a material blocking plate (421) is mounted on the rear surface of the quantitative frame (420), a contact switch (4211) is arranged on the front portion of the connecting plate (418), and the contact speed reducing switch (4211) is electrically connected with a motor (408).

5. The oilfield sewage fermentation device with the fixed separation function as claimed in claim 3, wherein: the filtering component comprises a filtering screen plate (422), an arc-shaped plate (423), an annular sleeve (424), an annular plate (425), a two-way motor (426), a propeller (427), a first belt wheel (428), a screw (429), a second belt wheel (430), a fan-shaped plate (431) and a scraper (432), wherein the filtering screen plate (422) is installed on the front side and the rear side in the conveying box (401), the arc-shaped plate (423) is connected to the lower portion in the conveying box (401), the annular sleeve (424) is installed on the two ends of the arc-shaped plate (423), the annular plate (425) is installed between the two annular sleeves (424) in a rotating mode, a blanking port is formed in the front portion of the annular plate (425), the two-way motor (426) is arranged in the annular sleeve (424) on the right side, the propeller (427) is installed on the left output shaft of the two-way motor (426), the left portion of the propeller (427) penetrates through the annular sleeve (424) on the left side, the right output shaft of the two-way motor (426) is provided with the first belt wheel (428), two screws (429) are installed to the upper portion rotary type of transport case (401), the screw thread at every screw (429) both ends sets up in opposite directions, screw (429) are located the upside of filtering screen board (422), second band pulley (430) are installed to the right-hand member of screw (429), around being equipped with the belt between first band pulley (428) and two second band pulleys (430), it is connected with sector plate (431) respectively to be located opposite screw thread department between two screws (429), two scraper blades (432) are all installed to sector plate (431) internal surface of both sides, scraper blade (432) are hugged closely with filtering screen board (422).

6. The oilfield sewage fermentation device with the fixed separation function as claimed in claim 5, wherein: the two parts of the annular plate (425) are provided with slideways, the middle part of the lower surface of the sector plate (431) is provided with sliding balls, and the sliding balls on the sector plate (431) are respectively matched with the slideways on the annular plate (425) on the same side.

7. The oilfield sewage fermentation device with the fixed separation function as claimed in claim 3, wherein: the knocking component comprises L-shaped plates (433), a shaft lever (434), a disc (435), contact plates (436), a connecting block (437), a second spring (438), a touch block (439), a touch rod (440) and a telescopic hose (441), wherein the number of the L-shaped plates (433) is two, the two L-shaped plates (433) are respectively connected with the outer surfaces of the fan-shaped plates (431) on the two sides, the shaft lever (434) is rotatably installed at the upper part of the L-shaped plates (433), the disc (435) is arranged in the middle of the shaft lever (434), an arc-shaped groove is formed in the upper part of the disc (435), the contact plates (436) are rotatably installed on the shaft lever (434), the contact plates (436) are slidably located in the arc-shaped groove of the disc (435), torsion springs are respectively sleeved on the shaft levers (434) on the two sides of the disc (435), the two ends of the torsion springs are respectively fixedly connected with the L-shaped plates (433) and the disc (435), the connecting block (437) is fixedly connected on the circumferential wall of the disc (435), connecting block (437) of both sides are located contact plate (436) the outside of both sides, install second spring (438) on connecting block (437), the rigid coupling has touch piece (439) on second spring (438), the equal rigid coupling in lower surface both sides in fermenting case (403) has a plurality of touch pole (440), touch pole (440) and contact plate (436) cooperation, two expansion hose (441) have all been inlayed in sector plate (431) of both sides, expansion hose (441) inlay on the lateral wall of fermenting case (403), the upper end of expansion hose (441) is located the upside of baffle (406), be equipped with the solenoid valve in expansion hose (441).

8. The oilfield sewage fermentation device with the fixed separation function as claimed in claim 1, wherein: the device also comprises a rotating rod (6), a rotating disk (7), a ball body (8), a torsion spring (9), a first guide group (10), a second guide group (11), an arc-shaped pipe (12), a third guide group (13), a sliding block (14), a third spring (15), a pull rope (16), a fixed block (17), a wedge-shaped block (18) and a fourth spring (19), wherein the rotating rod (6) is rotatably installed on the upper part of the feeding pipe (3), the rotating disk (7) is installed at the left end of the rotating rod (6), the ball body (8) is fixedly connected with the right end of the rotating rod (6), the ball body (8) is in sealing fit with the feeding pipe (3), a feeding groove is formed in the ball body (8) in a penetrating manner, the torsion spring (9) is sleeved on the outer side of the rotating rod (6), two ends of the torsion spring (9) are respectively fixedly connected with the rotating disk (7) and the feeding pipe (3), the first guide group (10) is installed on the feeding pipe (3), the first guide group (10) is positioned at the lower side of the rotating rod (6), the left surface of the fixed separation box (208) is provided with a second guide group (11), the left surface and the right surface of the blanking box (201) are provided with arc pipes (12), the outer surfaces of the arc pipes (12) at two sides are provided with third guide groups (13), sliding blocks (14) are arranged in the arc pipes (12) in a sliding manner, third springs (15) are fixedly connected between the sliding blocks (14) and the arc pipes (12), the middle parts of the sliding blocks (14) are provided with clamping grooves, the upper parts of the sliding blocks (14) are fixedly connected with pull ropes (16), the pull ropes (16) sequentially wind around the third guide groups (13), the second guide groups (11) and the first guide groups (10) are fixedly connected with the rotating disc (7), the lower parts of the arc pipes (12) are provided with fixed blocks (17) fixed on the side surface (201) of the blanking box, and wedge-shaped blocks (18) are arranged on the fixed blocks (17) in a sliding manner, a fourth spring (19) is fixedly connected between the wedge block (18) and the fixed block (17), the upper part of the wedge block (18) penetrates through the arc-shaped pipe (12) on the same side, and the upper part of the wedge block (18) is positioned in the clamping groove of the sliding block (14) on the same side.

9. The oilfield sewage fermentation device with the fixed separation function as claimed in claim 8, wherein: the circumferential wall of the rotary table (7) is concavely arranged to form an inner groove.