CN113577842A - Pretreatment device for high-salt wastewater generated in process of preparing ethylene glycol from coal - Google Patents
Pretreatment device for high-salt wastewater generated in process of preparing ethylene glycol from coal Download PDFInfo
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- CN113577842A CN113577842A CN202110757386.0A CN202110757386A CN113577842A CN 113577842 A CN113577842 A CN 113577842A CN 202110757386 A CN202110757386 A CN 202110757386A CN 113577842 A CN113577842 A CN 113577842A
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- sedimentation tank
- fixedly connected
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- ethylene glycol
- coal
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/0012—Settling tanks making use of filters, e.g. by floating layers of particulate material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/0018—Separation of suspended solid particles from liquids by sedimentation provided with a pump mounted in or on a settling tank
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/02—Settling tanks with single outlets for the separated liquid
- B01D21/04—Settling tanks with single outlets for the separated liquid with moving scrapers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/18—Construction of the scrapers or the driving mechanisms for settling tanks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/24—Feed or discharge mechanisms for settling tanks
- B01D21/2405—Feed mechanisms for settling tanks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/24—Feed or discharge mechanisms for settling tanks
- B01D21/2405—Feed mechanisms for settling tanks
- B01D21/2416—Liquid distributors with a plurality of feed points
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/24—Feed or discharge mechanisms for settling tanks
- B01D21/2444—Discharge mechanisms for the classified liquid
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/24—Feed or discharge mechanisms for settling tanks
- B01D21/245—Discharge mechanisms for the sediments
Abstract
The invention discloses a pretreatment device for high-salinity wastewater generated in the production of ethylene glycol from coal, and relates to the field of wastewater treatment. This preprocessing device of high salt waste water of coal system ethylene glycol, the one end of sedimentation tank is rotated and is connected with the rotating tube, the other end sliding connection of sedimentation tank has the drain pipe, the inside of sedimentation tank is rotated and is connected with rotating baffle, rotating baffle's both sides all are equipped with the connecting rod, the surface of sedimentation tank and the one end fixed mounting who is close to the rotating tube have the soil pick-up pump, the tip of soil pick-up pump extends to the interior bottom of sedimentation tank, the last surface sliding connection of slope stock guide has the scraper, the last fixed surface of scraper is connected with the connection rope, the both ends of connecting the rope all are equipped with the wire winding pivot. This preprocessing device of coal system ethylene glycol high salt waste water helps the inside mud of sedimentation tank to concentrate and piles up, produces the mud and swarms when avoiding simultaneously intaking and going out water.
Description
Technical Field
The invention relates to the technical field of wastewater treatment, in particular to a pretreatment device for high-salinity wastewater generated in the process of preparing ethylene glycol from coal.
Background
The technical route conforms to the resource characteristics of oil shortage, less gas and relatively rich coal resources in China, but in the process of preparing the ethylene glycol from the coal, a large amount of nitrogen-containing high-salt wastewater can be generated, if the nitrogen-containing high-salt wastewater is directly discharged into a water area, the water body can be seriously polluted, and finally the health of human beings can be harmed, so that the purification treatment process of the nitrogen-containing high-salt wastewater is strictly controlled by our country now.
When the high-salt wastewater is pretreated, after anaerobic and aerobic biological treatment, the high-salt wastewater needs to be precipitated, then precipitated sludge flows back to the anaerobic tank, anaerobic bacteria growth needs are provided for the anaerobic tank, most of the existing sedimentation tanks are trimmed into simple rectangular water tanks, the sludge is approximately horizontally paved at the bottom of the sedimentation tank, the sludge needs to be concentrated to a sewage suction pump when being sucked, a large amount of sludge is difficult to move, and simultaneously, when the wastewater is discharged into and discharged out of the sedimentation tank, water in the sedimentation tank is easy to be agitated, so that the turbidity in the sedimentation tank is greatly increased, and simultaneously, the desilting work is more difficult, the cost is higher, and therefore, a pretreatment device for the high-salt wastewater prepared from coal glycol needs to be provided to solve the problems.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention discloses a pretreatment device for high-salinity wastewater generated in the process of preparing ethylene glycol from coal, which aims to solve the problems in the background art.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a pretreatment device for high-salinity wastewater generated in the process of preparing ethylene glycol from coal comprises;
the sewage treatment device comprises a sedimentation tank, a rotating pipe is rotatably connected to one end of the sedimentation tank, a drain pipe is slidably connected to the other end of the sedimentation tank, a rotating baffle is rotatably connected to the interior of the sedimentation tank, a crank is rotatably connected to the outer surface of the sedimentation tank, the crank is in transmission connection with the rotating pipe, connecting rods are arranged on two sides of the rotating baffle and slide on the side surface of the sedimentation tank, a sewage suction pump is fixedly mounted on one end, close to the rotating pipe, of the outer surface of the sedimentation tank, and the end part of the sewage suction pump extends to the inner bottom of the sedimentation tank;
the material scraping device comprises an inclined material guiding plate, wherein the upper surface of the inclined material guiding plate is connected with a material scraping plate in a sliding mode, the upper surface of the material scraping plate is fixedly connected with a connecting rope, and winding rotating shafts are arranged at two ends of the connecting rope.
Preferably, the surface one side fixedly connected with inlet tube of rotating tube, the surface fixed mounting of inlet tube has control valve, the surface opposite side fixedly connected with outlet pipe of rotating tube, the first gear of one end fixedly connected with of rotating tube, first gear rotates and connects in the inside wall of sedimentation tank.
Preferably, the tip fixedly connected with dwang of crank, the tip fixedly connected with second gear of dwang, first gear meshes with the second gear mutually, the arc tooth's socket has been seted up to the surface of sedimentation tank, the tip activity joint of crank has the handle, the tip activity joint of handle is in the inside of arc tooth's socket.
Preferably, the U-shaped groove has been seted up to the surface of crank, handle sliding connection is in the inside in U-shaped groove, the last fixed surface of handle is connected with T shape pole, first spring has been cup jointed in the surface activity of T shape pole, the draw-in groove has been seted up at the interior top in U-shaped groove, first spring and the equal activity joint of T shape pole are in the inside of draw-in groove, the tip fixedly connected with tooth piece of handle, tooth piece activity joint is in the inside of arc tooth's socket.
Preferably, the upper surface of the rotating baffle is fixedly connected with a vertical rod, the top of the vertical rod is fixedly connected with a water baffle, the end of the water outlet pipe is opposite to the water baffle, two sides of the upper surface of the rotating baffle are fixedly connected with slide rails, and the bottom end of the connecting rod is connected to the outer surface of the slide rails in a sliding manner.
Preferably, the outer surface of the sliding rail is connected with a connecting seat in a sliding manner, the bottom end of the connecting rod is movably hinged inside the connecting seat, the top end of the connecting rod is fixedly connected with a connecting strip, and the lower surface of the other end of the connecting strip is fixedly connected with a telescopic assembly.
Preferably, flexible subassembly includes slide bar, fixed sleeve, second spring and separation blade, fixed sleeve fixed connection is at the surface of sedimentation tank, separation blade fixed connection is in the bottom of slide bar, the movable joint of second spring is at fixed sleeve's interior bottom, the bottom activity of slide bar is pegged graft at fixed sleeve's interior top, the top fixed connection of slide bar is at the lower surface of connecting strip.
Preferably, the inner side wall of the sedimentation tank is fixedly connected with a fixed guide rail, the outer surface of the fixed guide rail is slidably connected with a floating plate, the drain pipe is movably inserted into the floating plate, the outer surface of the drain pipe is fixedly sleeved with a baffle ring, the baffle ring abuts against the upper surface of the floating plate, the outer surface of the bottom end of the drain pipe is in threaded connection with a filter mantle, and the filter mantle abuts against the lower surface of the floating plate.
Preferably, slope stock guide fixed connection is at the interior bottom of sedimentation tank, the equal fixedly connected with spacing slide in inside wall both sides of sedimentation tank, the both ends of scraping the flitch are sliding connection respectively in the inside of two sets of spacing slides, the both ends surface of sedimentation tank all rotates and is connected with the rotation handle, the tip and the wire winding pivot fixed connection of rotation handle.
Preferably, the bottom all fixed mounting has a fixed pulley in the both ends of sedimentation tank, connect the rope and walk around from the surface of fixed pulley, the fixed disk that has cup jointed on the surface of wire winding pivot, the surface at two sets of wire reels is convoluteed respectively at the both ends of connecting the rope.
The invention discloses a pretreatment device for high-salinity wastewater generated in the preparation of ethylene glycol from coal, which has the following beneficial effects:
1. this preprocessing device of coal system ethylene glycol high salt waste water, inside with sewage suction to the sedimentation tank through inlet tube 9, sewage falls the upper surface of breakwater simultaneously, make the water column dispersed, avoid the direct impact surface of water, make the silt of water bottom aroused, make the one end of rotating the baffle pressed down simultaneously, make the second spring compressed, then the second spring upwards plays, make the rotating the baffle remain the oscillatorious of small circle all the time, make the last sedimentary silt of rotating the baffle under the shake effect, slowly drop to the bottom of sedimentation tank downwards along rotating the baffle, be favorable to concentrating of silt to pile up more.
2. This preprocessing device of coal system ethylene glycol high salt waste water, a set of rotation handle that is close to soil pick-up pump one end through rotating for scrape the flitch and slide along spacing slide, scrape the flitch this moment and slide the flitch and scrape the sedimentation tank bottom and be close to soil pick-up pump one end with the mud of its upper surface at slope stock guide upper surface, through starting the soil pick-up pump this moment, outwards take out and enter into the anaerobism pond with the inside mud of sedimentation tank inside, supply with the anaerobism fungus and grow.
3. This preprocessing device of high salt waste water of coal system ethylene glycol, through with the handle in the inside of U-shaped groove to keeping away from dwang one end pulling, make tooth piece and arc tooth's socket separation, slide the handle along the arc tooth's socket this moment, make the rocking rotation pipe rotate, loosen the handle this moment, under the effect of first spring, the handle is at the inside reverse slip of U-shaped inslot, make tooth piece and arc tooth's socket joint together fix the rotation pipe, the angle of rotation pipe is adjusted according to water pressure size to the convenience, with this upper surface that makes the water column of outlet pipe tip can fall at the breakwater.
4. This preprocessing device of coal system ethylene glycol high salt waste water through starting the drain pipe, with the inside sewage after deposiing of sedimentation tank outside discharge enter into next grade treatment facility, along with the surface of water descends, the kickboard moves down at fixed guide's surface, simultaneously under the effect of kickboard, the tip of drain pipe remains the suspension throughout in the surface of water upper strata of sedimentation tank, reduces as far as and causes the silt of sedimentation tank bottom and swarms.
Drawings
FIG. 1 is a front view of the main body of the present invention;
FIG. 2 is a schematic view of the back side of the main body according to the present invention;
FIG. 3 is a schematic view of the outer surface structure of the rotating tube of the present invention;
FIG. 4 is a schematic view of the crank configuration of the present invention;
FIG. 5 is a schematic view of the outer surface structure of the rotating baffle of the present invention;
FIG. 6 is a schematic view of the outer surface of the drain pipe of the present invention;
fig. 7 is a sectional view showing the internal structure of the settling tank according to the present invention.
In the figure: 1. a sedimentation tank; 2. rotating the tube; 3. rotating the baffle; 4. a drain pipe; 5. an arc-shaped tooth socket; 6. a crank; 7. a sewage suction pump; 8. rotating the grip; 9. a water inlet pipe; 10. a control valve; 11. a water outlet pipe; 12. a first gear; 13. rotating the rod; 14. a second gear; 15. a U-shaped groove; 16. a handle; 17. a tooth block; 18. a card slot; 19. a first spring; 20. a T-shaped rod; 21. erecting a rod; 22. a water baffle; 23. a slide rail; 24. a connecting seat; 25. a connecting rod; 26. a connecting strip; 27. a slide bar; 28. fixing the sleeve; 29. a second spring; 30. a baffle plate; 31. fixing the guide rail; 32. a floating plate; 33. a filter housing; 34. a baffle ring; 35. a scraping plate; 36. a limiting slide way; 37. a winding rotating shaft; 38. a wire spool; 39. connecting ropes; 40. a fixed pulley; 41. and (4) inclining the material guide plate.
Detailed Description
The embodiment of the invention discloses a pretreatment device for high-salinity wastewater generated in the production of ethylene glycol from coal, which is shown in fig. 1 to 7, and in order to make the objects, technical solutions and advantages of the embodiment of the invention clearer, the technical solutions of the embodiment of the invention will be clearly and completely described below by way of example with reference to the drawings in the present application.
The first embodiment,
As shown in fig. 1-5, a pretreatment device for high-salt wastewater from coal-based ethylene glycol comprises a sedimentation tank 1 and an inclined guide plate 41, wherein one end of the sedimentation tank 1 is rotatably connected with a rotating pipe 2, the other end of the sedimentation tank 1 is slidably connected with a drain pipe 4, the interior of the sedimentation tank 1 is rotatably connected with a rotating baffle 3, the outer surface of the sedimentation tank 1 is rotatably connected with a crank 6, the crank 6 is in transmission connection with the rotating pipe 2, both sides of the rotating baffle 3 are respectively provided with a connecting rod 25, the connecting rod 25 slides on the side surface of the sedimentation tank 1, one end of the outer surface of the sedimentation tank 1 close to the rotating pipe 2 is fixedly provided with a sewage suction pump 7, the end of the sewage suction pump 7 extends to the inner bottom of the sedimentation tank 1, the upper surface of the inclined guide plate 41 is slidably connected with a scraper plate 35, the upper surface of the scraper plate 35 is fixedly connected with a connecting rope 39, and both ends of the connecting rope 39 are provided with winding rotating shafts 37;
a water inlet pipe 9 is fixedly connected to one side of the outer surface of the rotating pipe 2, a control valve 10 is fixedly installed on the outer surface of the water inlet pipe 9, a water outlet pipe 11 is fixedly connected to the other side of the outer surface of the rotating pipe 2, a first gear 12 is fixedly connected to one end of the rotating pipe 2, the first gear 12 is rotatably connected to the inner side wall of the sedimentation tank 1, a rotating rod 13 is fixedly connected to the end portion of the crank 6, a second gear 14 is fixedly connected to the end portion of the rotating rod 13, the first gear 12 is meshed with the second gear 14, an arc-shaped tooth space 5 is formed in the outer surface of the sedimentation tank 1, a handle 16 is movably clamped at the end portion of the crank 6, the end portion of the handle 16 is movably clamped inside the arc-shaped tooth space 5, a U-shaped groove 15 is formed in the outer surface of the crank 6, the handle 16 is slidably connected to the inside of the U-shaped groove 15, a T-shaped rod 20 is fixedly connected to the upper surface of the handle 16, and a first spring 19 is movably sleeved on the outer surface of the T-shaped rod 20, a clamping groove 18 is formed in the inner top of the U-shaped groove 15, the first spring 19 and the T-shaped rod 20 are movably clamped in the clamping groove 18, a tooth block 17 is fixedly connected to the end of the handle 16, and the tooth block 17 is movably clamped in the arc-shaped tooth socket 5;
the upper surface of the rotating baffle 3 is fixedly connected with a vertical rod 21, the top of the vertical rod 21 is fixedly connected with a water baffle 22, the end of the water outlet pipe 11 is opposite to the water baffle 22, both sides of the upper surface of the rotating baffle 3 are fixedly connected with slide rails 23, the bottom end of a connecting rod 25 is slidably connected with the outer surfaces of the slide rails 23, the outer surface of the slide rail 23 is slidably connected with a connecting seat 24, the bottom end of the connecting rod 25 is movably hinged inside the connecting seat 24, the top end of the connecting rod 25 is fixedly connected with a connecting strip 26, the lower surface of the other end of the connecting strip 26 is fixedly connected with a telescopic component, the telescopic component comprises a sliding rod 27, a fixed sleeve 28, a second spring 29 and a baffle 30, the fixed sleeve 28 is fixedly connected with the outer surface of the sedimentation tank 1, the baffle 30 is fixedly connected with the bottom end of the sliding rod 27, the second spring 29 is movably clamped at the inner bottom of the fixed sleeve 28, the bottom end of the sliding rod 27 is movably inserted at the inner top of the fixed sleeve 28, the top end of the sliding rod 27 is fixedly connected to the lower surface of the connecting strip 26;
when the device is used, firstly, the control valve 10 on the outer surface of the water inlet pipe 9 is opened, then the rotating pipe 2 is adjusted according to the water pressure, the handle 16 is pulled towards one end far away from the rotating rod 13 in the U-shaped groove 15, the T-shaped rod 20 slides downwards for a certain distance from the inside of the clamping groove 18, the first spring 19 is compressed, the tooth block 17 moves in the arc-shaped tooth groove 5, the tooth block 17 is separated from the arc-shaped tooth groove 5, at the moment, the handle 16 slides along the arc-shaped tooth groove 5, the crank 6 drives the rotating rod 13 to rotate, at the moment, the second gear 14 rotates and drives the rotating pipe 2 to rotate through the first gear 12, so that the water column at the end part of the water outlet pipe 11 can fall on the upper surface of the water baffle 22, at the moment, the handle 16 is loosened, and under the action of the first spring 19, the handle 16 reversely slides in the U-shaped groove 15, so that the tooth block 17 and the arc-shaped tooth groove 5 are clamped together to fix the rotating pipe 2;
in outlet pipe 11 drainage in-process, the water column falls on the upper surface of breakwater 22, make the water column dispersed, avoid the direct impact surface of water, make the silt of water bottom aroused, simultaneously under the effect of water column, the one end of rotating damper 3 is pressed down, make connecting rod 25's bottom pass through connecting seat 24 and take place to slide at the surface of slide rail 23, connecting rod 25's top drives slide bar 27 downstream through connecting strip 26 simultaneously, make second spring 29 compressed, then second spring 29 upwards plays, make rotating damper 3 keep the oscillatorious of minimality all the time, make the silt of deposit on rotating damper 3 under the shake effect, slowly drop to the bottom of sedimentation tank 1 downwards along rotating damper 3, be favorable to piling up of silt more.
Example II,
As shown in fig. 1 and 6, a pretreatment device for coal-based ethylene glycol high-salt wastewater comprises a sedimentation tank 1 and an inclined guide plate 41, wherein one end of the sedimentation tank 1 is rotatably connected with a rotating pipe 2, the other end of the sedimentation tank 1 is slidably connected with a drain pipe 4, the interior of the sedimentation tank 1 is rotatably connected with a rotating baffle 3, the outer surface of the sedimentation tank 1 is rotatably connected with a crank 6, the crank 6 is in transmission connection with the rotating pipe 2, two sides of the rotating baffle 3 are respectively provided with a connecting rod 25, the connecting rod 25 slides on the side surface of the sedimentation tank 1, one end of the outer surface of the sedimentation tank 1 close to the rotating pipe 2 is fixedly provided with a sewage suction pump 7, the end of the sewage suction pump 7 extends to the inner bottom of the sedimentation tank 1, the upper surface of the inclined guide plate 41 is slidably connected with a scraper plate 35, the upper surface of the scraper plate 35 is fixedly connected with a connecting rope 39, and two ends of the connecting rope 39 are respectively provided with a winding rotating shaft 37;
the inner side wall of the sedimentation tank 1 is fixedly connected with a fixed guide rail 31, the outer surface of the fixed guide rail 31 is connected with a floating plate 32 in a sliding manner, a drain pipe 4 is movably inserted into the floating plate 32, the outer surface of the drain pipe 4 is fixedly sleeved with a baffle ring 34, the baffle ring 34 abuts against the upper surface of the floating plate 32, the outer surface of the bottom end of the drain pipe 4 is in threaded connection with a filter cover 33, and the filter cover 33 abuts against the lower surface of the floating plate 32;
after the final water feeding is finished, more sewage is accumulated in the sedimentation tank 1, impurities in the sewage slowly settle downwards under the action of gravity, most of sludge is accumulated at the bottom of the sedimentation tank 1 and close to one end of the sewage suction pump 7 under the action of the rotary baffle 3 and the inclined guide plate 41, the sewage settled in the sedimentation tank 1 is discharged outwards and enters the next-stage treatment equipment by starting the drain pipe 4, the water in the sedimentation tank 1 passes through the filter cover 33 and is then pumped outwards by the drain pipe 4, meanwhile, the floating plate 32 moves downwards on the outer surface of the fixed guide rail 31 along with the descending of the water surface, meanwhile, the end part of the drain pipe 4 is always suspended on the upper layer of the water surface of the sedimentation tank 1 under the action of the floating plate 32, the stirring of the sludge at the bottom of the sedimentation tank 1 is reduced as much as possible, and finally, most of the sewage in the sedimentation tank 1 is discharged, so that only a small amount of sewage and sludge remains in the sedimentation tank 1.
Example III,
As shown in fig. 1 and 7, the pretreatment device for coal-based ethylene glycol high-salt wastewater comprises a sedimentation tank 1 and an inclined guide plate 41, wherein one end of the sedimentation tank 1 is rotatably connected with a rotating pipe 2, the other end of the sedimentation tank 1 is slidably connected with a drain pipe 4, the interior of the sedimentation tank 1 is rotatably connected with a rotating baffle 3, the outer surface of the sedimentation tank 1 is rotatably connected with a crank 6, the crank 6 is in transmission connection with the rotating pipe 2, two sides of the rotating baffle 3 are respectively provided with a connecting rod 25, the connecting rod 25 slides on the side surface of the sedimentation tank 1, one end of the outer surface of the sedimentation tank 1 close to the rotating pipe 2 is fixedly provided with a sewage suction pump 7, the end part of the sewage suction pump 7 extends to the inner bottom part of the sedimentation tank 1, the upper surface of the inclined guide plate 41 is slidably connected with a scraper plate 35, the upper surface of the scraper plate 35 is fixedly connected with a connecting rope 39, and two ends of the connecting rope 39 are respectively provided with a winding rotating shaft 37;
the inclined material guide plate 41 is fixedly connected to the inner bottom of the sedimentation tank 1, the two sides of the inner side wall of the sedimentation tank 1 are fixedly connected with limiting slideways 36, the two ends of the scraping plate 35 are respectively and slidably connected to the insides of the two groups of limiting slideways 36, the outer surfaces of the two ends of the sedimentation tank 1 are respectively and rotatably connected with a rotating handle 8, the end part of the rotating handle 8 is fixedly connected with the winding rotating shaft 37, the inner bottoms of the two ends of the sedimentation tank 1 are respectively and fixedly provided with fixed pulleys 40, a connecting rope 39 passes through the outer surface of the fixed pulleys 40, the outer surface of the winding rotating shaft 37 is fixedly sleeved with the wire reels 38, and the two ends of the connecting rope 39 are respectively wound on the outer surfaces of the two groups of wire reels 38;
then, a group of rotating handles 8 close to one end of the sewage suction pump 7 is rotated, so that the rotating handles 8 drive the winding rotating shaft 37 to rotate, at the same time, the wire spool 38 on the outer surface of the winding rotating shaft 37 winds up the connecting rope 39, so that the scraping plate 35 slides along the limiting slide way 36, at the same time, the scraping plate 35 slides on the upper surface of the inclined guide plate 41 and scrapes sludge on the upper surface to the bottom of the sedimentation tank 1 and the end close to the sewage suction pump 7, in the process, the other group of wire spool 38 rotates reversely, so that the connecting rope 39 on the outer surface of the wire spool 38 is released outwards, after the scraping is finished, the other group of wire spool 38 rotates the rotating handles 8, so that the other group of wire spool 38 winds up the connecting rope 39, so that the scraping plate 35 slides upwards along the limiting slide way 36, finally, the scraping plate 35 is reset, at the same time, the sewage suction pump 7 is started, sludge in the sedimentation tank 1 is pumped outwards and enters the anaerobic tank, supplying anaerobic bacteria for growth.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A pretreatment device for high-salinity wastewater generated in the process of preparing ethylene glycol from coal is characterized by comprising;
the sewage treatment device comprises a sedimentation tank (1), wherein one end of the sedimentation tank (1) is rotatably connected with a rotating pipe (2), the other end of the sedimentation tank (1) is slidably connected with a drain pipe (4), the interior of the sedimentation tank (1) is rotatably connected with a rotating baffle (3), the outer surface of the sedimentation tank (1) is rotatably connected with a crank (6), the crank (6) is in transmission connection with the rotating pipe (2), connecting rods (25) are arranged on two sides of the rotating baffle (3), the connecting rods (25) slide on the side surface of the sedimentation tank (1), a sewage suction pump (7) is fixedly mounted on the outer surface of the sedimentation tank (1) and close to one end of the rotating pipe (2), and the end part of the sewage suction pump (7) extends to the inner bottom part of the sedimentation tank (1);
the material scraping device comprises an inclined material guiding plate (41), wherein the upper surface of the inclined material guiding plate (41) is connected with a material scraping plate (35) in a sliding mode, the upper surface of the material scraping plate (35) is fixedly connected with a connecting rope (39), and winding rotating shafts (37) are arranged at two ends of the connecting rope (39).
2. The pretreatment device of the high-salinity wastewater generated in the production of ethylene glycol from coal according to claim 1, characterized in that: the utility model discloses a sedimentation tank, including the surface of rotating tube (2), the surface of rotating tube (2) one side fixedly connected with inlet tube (9), the surface fixed mounting of inlet tube (9) has control flap (10), the surface opposite side fixedly connected with outlet pipe (11) of rotating tube (2), the first gear of one end fixedly connected with (12) of rotating tube (2), first gear (12) rotate to be connected in the inside wall of sedimentation tank (1).
3. The pretreatment device of the high-salinity wastewater generated in the production of ethylene glycol from coal as claimed in claim 2, characterized in that: tip fixedly connected with dwang (13) of crank (6), tip fixedly connected with second gear (14) of dwang (13), first gear (12) and second gear (14) mesh mutually, arc tooth's socket (5) have been seted up to the surface of sedimentation tank (1), the tip activity joint of crank (6) has handle (16), the inside of the tip activity joint of handle (16) in arc tooth's socket (5).
4. The pretreatment device of the high-salinity wastewater generated in the production of ethylene glycol with coal according to claim 3, characterized in that: u-shaped groove (15) have been seted up to the surface of crank (6), handle (16) sliding connection has been in the inside of U-shaped groove (15), the last fixed surface of handle (16) is connected with T shape pole (20), first spring (19) have been cup jointed in the surface activity of T shape pole (20), draw-in groove (18) have been seted up at the interior top of U-shaped groove (15), first spring (19) and the equal activity joint of T shape pole (20) are in the inside of draw-in groove (18), the tip fixedly connected with tooth piece (17) of handle (16), tooth piece (17) activity joint is in the inside of arc tooth's socket (5).
5. The pretreatment device of the high-salinity wastewater generated in the production of ethylene glycol from coal as claimed in claim 2, characterized in that: the upper surface fixedly connected with pole setting (21) of rotating baffle (3), the top fixedly connected with breakwater (22) of pole setting (21), the tip of outlet pipe (11) is just to breakwater (22), the equal fixedly connected with slide rail (23) in upper surface both sides of rotating baffle (3), the bottom sliding connection of connecting rod (25) is at the surface of slide rail (23).
6. The pretreatment device of the high-salinity wastewater generated in the production of ethylene glycol with coal according to claim 5, characterized in that: the outer surface sliding connection of slide rail (23) has connecting seat (24), the bottom activity of connecting rod (25) articulates in the inside of connecting seat (24), the top fixedly connected with connecting strip (26) of connecting rod (25), the other end lower fixed surface of connecting strip (26) is connected with flexible subassembly.
7. The pretreatment device of the high-salinity wastewater generated in the production of ethylene glycol with coal according to claim 6, characterized in that: the telescopic assembly comprises a sliding rod (27), a fixing sleeve (28), a second spring (29) and a blocking piece (30), the fixing sleeve (28) is fixedly connected to the outer surface of the sedimentation tank (1), the blocking piece (30) is fixedly connected to the bottom end of the sliding rod (27), the second spring (29) is movably connected to the inner bottom of the fixing sleeve (28), the bottom end of the sliding rod (27) is movably connected to the inner top of the fixing sleeve (28), and the top end of the sliding rod (27) is fixedly connected to the lower surface of the connecting strip (26).
8. The pretreatment device of the high-salinity wastewater generated in the production of ethylene glycol from coal according to claim 1, characterized in that: fixedly connected with fixed guide rail (31) on the inside wall of sedimentation tank (1), the surface sliding connection of fixed guide rail (31) has kickboard (32), drain pipe (4) activity is pegged graft in the inside of kickboard (32), the external fixed surface of drain pipe (4) has cup jointed fender ring (34), keep off ring (34) and the upper surface counterbalance of kickboard (32), the bottom surface threaded connection of drain pipe (4) has filter mantle (33), filter mantle (33) counterbalance with the lower surface of kickboard (32).
9. The pretreatment device of the high-salinity wastewater generated in the production of ethylene glycol from coal according to claim 1, characterized in that: slope stock guide (41) fixed connection is in the interior bottom of sedimentation tank (1), the equal fixedly connected with spacing slide (36) in inside wall both sides of sedimentation tank (1), the both ends of scraping flitch (35) are sliding connection respectively in the inside of two sets of spacing slides (36), the both ends surface of sedimentation tank (1) all rotates and is connected with rotation handle (8), the tip and wire winding pivot (37) fixed connection of rotation handle (8).
10. The pretreatment device of the high-salinity wastewater generated in the production of ethylene glycol with coal as claimed in claim 9, characterized in that: the bottom all fixed mounting has fixed pulley (40) in the both ends of sedimentation tank (1), connect rope (39) and walk around from the surface of fixed pulley (40), wire reel (38) have been cup jointed to the external fixation of wire winding pivot (37), the surface at two sets of wire reels (38) is convoluteed respectively at the both ends of connecting rope (39).
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