CN114671565A - BSTS short-range biological sewage treatment system and process - Google Patents

Abstract

The invention discloses a BSTS short-range biological sewage treatment system and a BSTS short-range biological sewage treatment process in the technical field of sewage treatment, and the BSTS short-range biological sewage treatment system comprises a pretreatment tank, a fine treatment tank and a sedimentation tank, wherein the pretreatment tank is communicated with the fine treatment tank, the fine treatment tank is communicated with the sedimentation tank, an adjusting mechanism for automatically detecting the sewage condition and automatically adding a medicament for adjusting the sewage condition is arranged on the inner side of the pretreatment tank, and an automatic aeration mechanism is arranged at the bottom of the pretreatment tank; according to the invention, through intelligent regulation in the pretreatment tank, a complex and variable water body is regulated into a water body suitable for entering the pretreatment tank, through more accurate nitrification and denitrification reaction in the pretreatment tank, various surplus microorganisms in sewage are effectively removed, then the water body is discharged into the advanced treatment tank, and through more accurate confirmation and fine adjustment, the water body is discharged into the sedimentation tank, so that high-quality discharge is achieved.

Description

BSTS short-range biological sewage treatment system and process

Technical Field

The invention relates to the technical field of sewage treatment, in particular to a BSTS short-range biological sewage treatment system and a BSTS short-range biological sewage treatment process.

Background

With the increasing expansion of urban population and the continuous development of industry and agriculture, water environment pollution accidents occur frequently, and the health and even life of people and livestock are seriously damaged. Many lakes and reservoirs cause eutrophication of water bodies due to the discharge of nitrogen and phosphorus, and seriously threaten the production life and ecological balance of human beings.

The current sewage treatment field is innovative, and various synchronous nitrification and denitrification processes, deep denitrification processes, bacterial biological treatment agents and the like are available. However, the method is limited to many theoretical researches in laboratories, and in the face of complicated and variable actual water body conditions, a stable, effective and low-cost innovative process technology is difficult to see in the market, and when sludge is precipitated in a precipitation tank after the existing sewage treatment, impurities in the sewage can fall on the bottom of the precipitation tank for a long time, and partial floating small particles cannot precipitate by themselves, so that the sludge precipitation time is long, the precipitation is incomplete, and the quality of the sewage discharged subsequently is influenced.

Based on the above, the invention designs a BSTS short-range biological sewage treatment system and a BSTS short-range biological sewage treatment process so as to solve the problems.

Disclosure of Invention

The invention aims to provide a BSTS short-range biological sewage treatment system and a BSTS short-range biological sewage treatment process, which aim to solve the problem that the prior art provides innovation in the field of sewage treatment, and comprises various synchronous nitrification and denitrification processes, a deep denitrification process, a strain biological treatment agent and the like. But the method is limited to many theoretical researches in a laboratory, and in the face of complicated and changeable actual water body conditions, a stable, effective and low-cost innovative process technology is difficult to see in the market, and when sludge is precipitated in a precipitation tank after the existing sewage treatment, impurities in the sewage can fall on the bottom of the precipitation tank for a long time, and partial floating small particles cannot precipitate by themselves, so that the problems of long sludge precipitation time, incomplete precipitation and influence on the quality of the subsequently discharged sewage are caused.

In order to achieve the purpose, the invention provides the following technical scheme: a BSTS short-range biological sewage treatment system comprises a pretreatment tank, a fine treatment tank and a sedimentation tank, wherein the pretreatment tank is communicated with the fine treatment tank, the fine treatment tank is communicated with the sedimentation tank, an adjusting mechanism for automatically detecting the sewage condition and automatically adding a medicament for adjusting the sewage condition is arranged on the inner side of the pretreatment tank, an automatic aeration mechanism is arranged at the bottom of the pretreatment tank, a plug flow machine is connected in the pretreatment tank, a filtering mechanism for accurately treating the sewage is arranged on the inner side of the fine treatment tank, and a sedimentation mechanism for quickly settling sludge is connected in the sedimentation tank;

the adjusting mechanism comprises a pretreatment device, the pretreatment device is communicated with an adjusting tank, the pretreatment device is electrically connected with an intelligent system, the intelligent system is electrically connected with an RO (reverse osmosis) meter, a PH (potential of Hydrogen) meter, a COD (chemical oxygen demand) probe, an NH (NH) probe and a TN (TN) probe, the RO meter, the PH meter, the COD probe, the NH probe and the TN probe are inserted into the pretreatment tank for detecting the sewage quality, and the intelligent system synchronously controls the adjusting tank and the pretreatment device to add a medicament;

the automatic aeration mechanism comprises an aeration blower, the aeration blower is electrically connected with the intelligent system, the output end of the aeration blower is communicated with a plurality of aeration pipes, and the aeration pipes are fixedly connected to the bottom of the inner side of the pretreatment tank;

The pretreatment tank is internally and fixedly connected with an automatic red fungus biochemical cultivation reactor and a micro-electrolysis carrier module, and the automatic red fungus biochemical cultivation reactor and the micro-electrolysis carrier module are positioned in sewage and used for assisting in adjusting the quality of the sewage;

a II-type regulator is fixedly connected in the fine treatment tank and used for detecting the sewage quality, and a plurality of MBR curtain type biological reaction membranes which are in linear array parts are connected in the fine treatment tank;

the sedimentation mechanism comprises a first dense screen plate, first rotating shafts are fixedly connected to the front side wall and the rear side wall of the first dense screen plate, two first gears are fixedly connected to the outer surfaces of the two first rotating shafts, first racks are fixedly connected to the front side wall and the rear side wall inside the sedimentation tank, the first racks are used for being meshed with the first gears, first sliding blocks are sleeved on the outer surfaces of the two first rotating shafts, pushing cylinders are fixedly connected to the tops of the two first sliding blocks, a U-shaped fixing frame is fixedly connected to the top ends of the two pushing cylinders together, first sliding grooves are formed in the left end and the right end of the first dense screen plate, second dense screen plates are slidably connected to the inner sides of the two first sliding grooves, and a first spring is fixedly connected between each first sliding groove and each second dense screen plate, the outer ends of the two second dense screen plates are propped against the inner side wall of the sedimentation tank;

The inner side wall of the sedimentation tank is rotatably connected with a driving screw rod, the driving screw rod is in threaded connection with two first mud scrapers, the bottoms of the two first mud scrapers are in contact with the bottom surface of the inner part of the sedimentation tank, the outer surfaces of the two driving screw rods are fixedly connected with second gears, the driving screw rods are bidirectional driving screw rods, the rotating directions of two ends of the driving screw rods are opposite, the bottoms of the first sliding blocks are fixedly connected with second racks, and the second racks are meshed with the second gears;

the bottom of the first mud scraper is rotatably connected with a second rotating rod, a warped plate is fixedly connected to the outer surface of the second rotating rod, the bottom end of the warped plate is in contact with the bottom surface of the sedimentation tank, the front end and the rear end of the second rotating rod are connected with friction wheels through ratchet wheels, friction strips are fixedly connected to the front inner wall and the rear inner wall of the sedimentation tank, and the friction wheels are in interaction with the friction strips;

an inclined collecting tank is arranged in the middle of the bottom surface of the inner side of the sedimentation tank, a first screw rod is rotatably connected to the front side wall and the rear side wall of the sedimentation tank, a driving motor is fixedly connected to the rear end of the first screw rod, the driving motor is fixedly connected to the side wall of the sedimentation tank, a second mud scraping plate is in threaded connection with the outer surface of the first screw rod, the second mud scraping plate and the collecting tank are in consistent formation and is used for scraping sludge in the inner side of the collecting tank, and a mud valve is fixedly connected to one side of the bottom of the collecting tank;

A BSTS short-range biological sewage treatment process comprises the following specific steps:

the method comprises the following steps: introducing sewage to be treated into a pretreatment tank;

step two: the intelligent system calculates data by combining big data and a set of formula, so that the pretreatment device is automatically triggered to accurately add various medicaments to the pretreatment tank, and the water body is adjusted to a degree suitable for nitrification and denitrification reaction;

step three: the intelligent system detects oxygen in the pretreatment tank and automatically controls the aeration pipe to aerate the pretreatment tank;

step four: introducing the pretreated sewage into a fine treatment tank for more accurate biological treatment and fine adjustment;

step five: discharging the sewage after the fine treatment into a sedimentation tank for sedimentation;

step six: and discharging the sewage meeting the requirements after the sludge is precipitated, and discharging or refluxing the precipitated sludge for use.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, through intelligent regulation in the pretreatment tank, a complex and variable water body is regulated into a water body suitable for entering the pretreatment tank, through more accurate nitrification and denitrification reaction in the pretreatment tank, various surplus microorganisms in sewage are effectively removed, then the water body is discharged into the advanced treatment tank, and through more accurate confirmation and fine adjustment, the water body is discharged into the sedimentation tank, so that high-quality discharge is achieved.

2. The invention starts two pushing cylinders to drive two first sliding blocks, a first rotating shaft and a first dense screen plate to move downwards together after sewage is introduced into a sedimentation tank, the first dense screen plate and two second dense screen plates synchronously move downwards to scrape sludge suspended in the sewage downwards, the first dense screen plate and a second sealing screen plate quickly push the sludge downwards to enable the sludge to quickly move to the bottom of the sedimentation tank for sedimentation, then the pushing cylinders retract to drive the first dense screen plate and the second dense screen plate to synchronously move upwards in a similar way, the top of the first dense screen plate and the top of the second dense screen plate possibly scrape the sludge, when the first dense screen plate is reset, the pushing mechanism cylinder continuously retracts to drive the first sealing agent screen plate to continuously move upwards, a first gear on the first rotating shaft is meshed with a first rack to enable the first gear to rotate, and the first dense screen plate is driven to rotate by the first rotating shaft, the intensive otter board of two second in synchronous extrusion outer end, make the intensive otter board of second inwards slide along first spout, compress first spring, the intensive otter board of second at both ends is flexible with step-by-step under the effect of sedimentation tank, finally, make first intensive otter board rotate, make its top upset to the bottom, with the ascending in-process of first intensive otter board, scrape the mud of retaining and brush out or fall down, make mud fall once more in sewage, avoid the long-time adhesion of mud on first intensive otter board, be favorable to first intensive otter board and the intensive otter board of second to carry out the operation that lasts to the deposit of mud, be favorable to making sludge settling fast, accelerate whole treatment effeciency.

Drawings

FIG. 1 is a general view of the system architecture of the present invention;

FIG. 2 is a first perspective view of the settling tank configuration of the present invention;

FIG. 3 is a second perspective view of the settling tank configuration of the present invention;

FIG. 4 is a third perspective view of the settling tank configuration of the present invention;

FIG. 5 is a schematic view of the internal structure of the sedimentation tank of the present invention;

FIG. 6 is a schematic view of a connection structure of a first dense web sheet and a second dense web sheet according to the present invention;

FIG. 7 is a schematic side view of a first mud scraper according to the present invention;

FIG. 8 is an enlarged view of the structure of FIG. 7 at A;

FIG. 9 is a flow chart of a BSTS short-range biological wastewater treatment process.

In the drawings, the components represented by the respective reference numerals are listed below:

a pretreatment tank 1, a fine treatment tank 2, a sedimentation tank 3, a plug flow machine 4, a pretreatment device 5, an adjusting tank 6, an intelligent system 7, an RO meter 8, a PH meter 9, a COD probe 10, an NH3 probe 11, a TN probe 12, an aeration blower 13, an aeration pipe 14, an automatic red fungus biochemical cultivation reactor 15, a micro-electrolysis carrier module 16, a II-type regulator 17, an MBR curtain type biological reaction membrane 18, a first dense screen plate 19, a first rotating shaft 20 and a first gear 21, the device comprises a first rack 22, a first sliding block 23, a pushing cylinder 24, a U-shaped fixed frame 25, a first chute 26, a second dense mesh plate 27, a first spring 28, a driving screw 29, a first mud scraper 30, a second gear 31, a second rack 32, a second rotating rod 33, a rocker 34, a friction wheel 35, a friction strip 36, a collecting tank 37, a first screw 38, a driving motor 39, a second mud scraper 40 and a mud valve 41.

Detailed Description

Referring to fig. 1-9, the present invention provides a technical solution: a BSTS short-range biological sewage treatment system comprises a pretreatment tank 1, a fine treatment tank 2 and a sedimentation tank 3, wherein the pretreatment tank 1 is communicated with the fine treatment tank 2, the fine treatment tank 2 is communicated with the sedimentation tank 3, an adjusting mechanism for automatically detecting the sewage condition and automatically adding a medicament for adjusting the sewage condition is arranged on the inner side of the pretreatment tank 1, an automatic aeration mechanism is arranged at the bottom of the pretreatment tank 1, a plug flow machine 4 is connected in the pretreatment tank 1, a filtering mechanism for accurately treating the sewage is arranged on the inner side of the fine treatment tank 2, and a sedimentation mechanism for quickly settling sludge is connected in the sedimentation tank 3;

the adjusting mechanism comprises a pretreatment device 5, the pretreatment device 5 is communicated with an adjusting tank 6, the pretreatment device 5 is electrically connected with an intelligent system 7, the intelligent system 7 is electrically connected with an RO (reverse osmosis) meter 8, a PH (potential of Hydrogen) meter 9, a COD (chemical oxygen demand) probe 10, an NH3 probe 11 and a TN (twisted nematic) probe 12, the RO meter 8, the PH meter 9, the COD probe 10, the NH3 probe 11 and the TN probe 12 are inserted into the pretreatment tank 1 to be used for detecting the quality of sewage, and the intelligent system 7 synchronously controls the adjusting tank 6 and the pretreatment device 5 to add medicaments;

the automatic aeration mechanism comprises an aeration blower 13, the aeration blower 13 is electrically connected with the intelligent system 7, the output end of the aeration blower 13 is communicated with a plurality of aeration pipes 14, and the aeration pipes 14 are fixedly connected to the bottom of the inner side of the pretreatment tank 1;

The pretreatment tank 1 is internally and fixedly connected with an automatic rhodobacter chrophile biochemical cultivation reactor 15 and a micro-electrolysis carrier module 16, and the automatic rhodobacter chrophile biochemical cultivation reactor 15 and the micro-electrolysis carrier module 16 are positioned in sewage and used for assisting in adjusting the quality of the sewage;

a II-type regulator 17 is fixedly connected in the fine treatment tank 2, the II-type regulator 17 is used for detecting the quality of sewage, and a plurality of MBR curtain type biological reaction membranes 18 in linear array parts are connected in the fine treatment tank 2;

when sewage needs to be treated, the sewage is firstly introduced into a pretreatment tank 1, an RO meter 8, a PH meter 9, a COD probe 10, an NH3 probe 11 and a TN probe 12 on the inner side of the pretreatment tank automatically detect the condition of the sewage, an intelligent system 7 collects data and controls the amount of various additives added into the pretreatment tank 1 by an adjusting tank 6 and a pretreatment device 5, the sewage is adjusted to a degree suitable for reaction, then the pretreated sewage continuously flows backwards, the intelligent system 7 controls an aeration blower 13 to aerate the sewage through an aeration pipe 14, a nitrification-denitrification reaction is carried out by matching with an automatic red bacterium biochemical culture reactor 15 and a micro-electrolysis carrier module 16, the sewage is rapidly treated, various abundant microorganisms in the sewage are effectively removed, the sewage is introduced into a fine treatment tank 2 after the sewage reacts in the pretreatment tank 1, a II-type regulator 17 in the fine treatment tank 2 detects the sewage, sewage carries out contact reaction with MBR curtain-type biological reaction membrane 18, carry out more accurate processing and fine adjustment with sewage, sewage after the fine processing is let in sedimentation tank 3 at last and is depositd, precipitation mechanism deposits mud fast, accelerate sewage treatment's efficiency, make sewage can be discharged fast, thereby realize the in-process to sewage treatment, utilize intelligent control, change the water environment through filler and bacterial, reach synchronous nitrification and denitrification's technology mode, utilize self water microorganism self-purification processing to the furthest, furthest nitrogen and phosphorus removal, carry out effective, quick processing to sewage.

As a further scheme of the invention, the sedimentation mechanism comprises a first dense screen plate 19, first rotating shafts 20 are fixedly connected on the front side wall and the rear side wall of the first dense screen plate 19, two first gears 21 are fixedly connected on the outer surfaces of the two first rotating shafts 20, first racks 22 are fixedly connected on the front side wall and the rear side wall inside the sedimentation tank 3, the first racks 22 are used for being meshed with the first gears 21, first sliding blocks 23 are sleeved on the outer surfaces of the two first rotating shafts 20, pushing cylinders 24 are fixedly connected on the tops of the two first sliding blocks 23, U-shaped fixing frames 25 are fixedly connected on the top ends of the two pushing cylinders 24, the U-shaped fixing frames 25 are fixedly connected on the top of the sedimentation tank 3, first sliding grooves 26 are respectively arranged at the left end and the right end of the first dense screen plate 19, second dense screen plates 27 are respectively slidably connected on the inner sides of the two first sliding grooves 26, and a first spring 28 is fixedly connected between each first sliding groove 26 and each second dense screen plate 27, the outer ends of the two second dense mesh plates 27 are propped against the inner side wall of the sedimentation tank 3; when the sludge sedimentation device works, because the sludge needs to be automatically sedimented when the sewage is finally discharged into the sedimentation tank 3, the sludge can be accumulated at the bottom of the sedimentation tank 3 after flowing for a long time, and the continuously-introduced sewage can continuously influence the sedimentation of the sludge, when the sludge sedimentation speed is low, the sludge can be discharged by influencing the sludge, after the sewage is introduced into the sedimentation tank 3, the two pushing cylinders 24 are started to drive the two first sliding blocks 23, the first rotating shaft 20 and the first dense mesh plate 19 to move downwards together, the first dense mesh plate 19 and the two second dense mesh plates 27 synchronously move downwards to scrape the sludge suspended in the sewage downwards, the first dense mesh plate 19 and the second sealed mesh plates quickly push the sludge downwards to enable the sludge to quickly move to the bottom of the sedimentation tank 3 for sedimentation, then the pushing cylinders 24 retract to drive the first dense mesh plate 19 and the second dense mesh plates 27 to synchronously move upwards, the top of the first dense mesh plate 19 and the top of the second dense mesh plate 27 may be scraped with sludge, when the first dense mesh plate 19 is reset, the pushing mechanism cylinder continues to retract to drive the first sealant mesh plate to continue to move upwards, the first gear 21 on the first rotating shaft 20 is meshed with the first rack 22 to rotate the first gear 21, the first rotating shaft 20 drives the first dense mesh plate 19 to rotate, two second dense mesh plates 27 at the outer ends are synchronously extruded, the second dense mesh plates 27 slide inwards along the first sliding grooves 26 to compress the first springs 28, the second dense mesh plates 27 at the two ends are synchronously stretched under the action of the sedimentation tank 3, finally, the first dense mesh plate 19 rotates 180 degrees to turn the top to the bottom, the scraped sludge is brushed or dropped during the rising process of the first dense mesh plate 19, the sludge falls into the sewage again, and the sludge is prevented from being adhered to the first dense mesh plate 19 for a long time, the continuous operation of the first dense screen plate 19 and the second dense screen plate 27 on the sludge sedimentation is facilitated, the sludge sedimentation is facilitated to be rapidly carried out, and the whole treatment efficiency is accelerated.

As a further scheme of the invention, a driving screw 29 is rotatably connected on the inner side wall of the sedimentation tank 3, the driving screw 29 is in threaded connection with two first mud scrapers 30, the bottoms of the two first mud scrapers 30 are contacted with the inner bottom surface of the sedimentation tank 3, second gears 31 are fixedly connected on the outer surfaces of the two driving screws 29, the driving screw 29 is a bidirectional driving screw 29, the rotating directions of the two ends of the driving screw 29 are opposite, a second rack 32 is fixedly connected at the bottom of the first slide block 23, and the second rack 32 is meshed with the second gears 31; in operation, when mud falls on the bottom of the interior of the sedimentation tank 3, the mud may adhere to the bottom of the sedimentation tank 3 and is not easy to be directly discharged, and the first sliding block 23 is driven to move downwards by the pushing cylinder 24, and the second rack 32 which is fixedly connected with the first sliding block 23 is driven to synchronously move downwards to act on the second gear 31, so that the second gear 31 and the driving screw rod 29 rotate to drive the first mud scraper 30 to synchronously and quickly move inwards, and the mud at the bottom of the sedimentation tank 3 is scraped to the middle mud discharging position, thereby being beneficial to quickly collecting the mud in the following process.

As a further scheme of the invention, the bottom of the first mud scraper 30 is rotatably connected with a second rotating rod 33, the outer surface of the second rotating rod 33 is fixedly connected with a rocker 34, the bottom end of the rocker 34 is contacted with the bottom surface of the sedimentation tank 3, the front end and the rear end of the outer part of the second rotating rod 33 are connected with friction wheels 35 through ratchet wheels, the front inner side wall and the rear inner side wall of the sedimentation tank 3 are both fixedly connected with friction strips 36, and the friction wheels 35 are acted with the friction strips 36; the during operation, because first mud scraper 30 resets, the follow-up mud that falls in 3 bottoms of sedimentation tank can be scraped the outside of first mud scraper 30, be unfavorable for subsequent collection, through the in-process at the outside removal of first mud scraper 30, friction wheel 35 and friction strip 36 effect, it rotates to drive friction wheel 35, friction wheel 35 drives second bull stick 33 and wane 34 through the ratchet and rotates, make wane 34 rotate the perk to the inboard, at the back in-process of first mud scraper 30, wane 34 lasts the perk, avoid wane 34 outside mud of scraping, when first mud scraper 30 inwards removes, friction wheel 35 rotates and can't drive second bull stick 33 through the ratchet and rotate, make wane 34 be in vertical state by the inside mud extrusion and scrape mud.

As a further scheme of the invention, an inclined collecting tank 37 is arranged in the middle of the bottom surface of the inner side of the sedimentation tank 3, a first screw rod 38 is rotatably connected on the front side wall and the rear side wall of the sedimentation tank 3, a driving motor 39 is fixedly connected at the rear end of the first screw rod 38, the driving motor 39 is fixedly connected on the side wall of the sedimentation tank 3, a second mud scraping plate 40 is in threaded connection with the outer surface of the first screw rod 38, the second mud scraping plate 40 and the collecting tank 37 form a uniform structure and is used for scraping sludge in the inner side of the collecting tank 37, and a mud discharge valve 41 is fixedly connected on one side of the bottom of the collecting tank 37; in the during operation, owing to need discharge mud fast, in avoiding mud to sneak into the sewage once more, influence the sediment of mud, scrape mud through two first mud scrapers 30 and move the collecting vat 37 back in, start driving motor 39, drive first lead screw 38 and rotate, make second mud scraper 40 remove forward, scrape the position of moving mud to mud valve 41 in the collecting vat 37, open mud valve 41, in time discharge mud, avoid mud sneak into the sewage once more, improve the efficiency that mud subsides.

A BSTS short-range biological sewage treatment process comprises the following specific steps:

the method comprises the following steps: introducing sewage to be treated into a pretreatment tank 1;

step two: the intelligent system 7 calculates data by combining big data and a set of formula, so that the pretreatment device 5 is automatically triggered to accurately add various medicaments to the pretreatment tank 1, and the water body is adjusted to a degree suitable for nitrification and denitrification reaction;

Step three: the intelligent system 7 detects oxygen in the pretreatment tank 1 and automatically controls the aeration pipe 14 to aerate the pretreatment tank 1;

step four: introducing the pretreated sewage into a fine treatment tank 2 for more accurate biological treatment and fine adjustment;

step five: discharging the sewage after the fine treatment into a sedimentation tank 3 for sedimentation;

step six: and discharging the sewage meeting the requirements after the sludge is precipitated, and discharging or refluxing the precipitated sludge for use.

Claims (10)

1. The utility model provides a biological sewage treatment system of BSTS short distance, includes pretreatment tank (1), smart processing pond (2) and sedimentation tank (3), pretreatment tank (1) is linked together with smart processing pond (2), smart processing pond (2) are linked together its characterized in that with sedimentation tank (3): pretreatment pond (1) inboard is equipped with and is used for the automated inspection sewage condition and carries out the adjustment mechanism that adds the medicament automatically and adjust to it, pretreatment pond (1) bottom is equipped with automatic aeration mechanism, pretreatment pond (1) in-connection has plug flow machine (4), smart processing pond (2) inboard is equipped with and is used for carrying out the filter equipment of accurate processing to sewage, sedimentation tank (3) in-connection has the precipitation mechanism that is used for making mud precipitate fast.

2. The BSTS short-range biological sewage treatment system of claim 1, wherein: adjustment mechanism includes preprocessing device (5), preprocessing device (5) intercommunication has regulation jar (6), preprocessing device (5) electric connection has intelligent system (7), intelligent system (7) electric connection has RO meter (8), PH meter (9), COD probe (10), NH3 probe (11), TN probe (12), RO meter (8), PH meter (9), COD probe (10), NH3 probe (11), TN probe (12) insert and are used for detecting the sewage quality in preliminary treatment pond (1), intelligent system (7) synchronous control regulation jar (6) and preprocessing device (5) add the medicament.

3. The BSTS short-range biological sewage treatment system of claim 2, wherein: automatic aeration mechanism includes aeration blower (13), aeration blower (13) and intelligent system (7) electric connection, aeration blower (13) output intercommunication has a plurality of aeration pipes (14), aeration pipe (14) fixed connection is in the inboard bottom of preliminary treatment pond (1).

4. The BSTS short-range biological sewage treatment system of claim 1, wherein: the pretreatment tank (1) is internally and fixedly connected with a red fungus biochemical automatic cultivation reactor (15) and a micro-electrolysis carrier module (16), the red fungus biochemical automatic cultivation reactor (15) and the micro-electrolysis carrier module (16) are positioned in sewage and used for auxiliary regulation of sewage quality.

5. The BSTS short-range biological sewage treatment system of claim 1, wherein: fixedly connected with II type regulator (17) in the smart processing pond (2), II type regulator (17) are used for detecting sewage quality, a plurality of MBR curtain formula biological reaction membrane (18) that are the linear array part are connected in smart processing pond (2).

6. The BSTS short-range biological sewage treatment system of claim 1, wherein: the sedimentation mechanism comprises a first dense screen plate (19), first rotating shafts (20) are fixedly connected to the front side wall and the rear side wall of the first dense screen plate (19), two first gears (21) are fixedly connected to the outer surfaces of the first rotating shafts (20), first racks (22) are fixedly connected to the front side wall and the rear side wall inside the sedimentation tank (3), the first racks (22) are used for being meshed with the first gears (21), first sliding blocks (23) are sleeved on the outer surfaces of the two first rotating shafts (20), pushing cylinders (24) are fixedly connected to the tops of the two first sliding blocks (23), U-shaped fixing frames (25) are fixedly connected to the tops of the two pushing cylinders (24), the U-shaped fixing frames (25) are fixedly connected to the top of the sedimentation tank (3), first sliding grooves (26) are formed in the left end and the right end of the first dense screen plate (19), the inner sides of the two first sliding grooves (26) are both connected with second dense screen plates (27) in a sliding mode, a first spring (28) is fixedly connected between each first sliding groove (26) and each second dense screen plate (27), and the outer ends of the two second dense screen plates (27) are both abutted against the inner side wall of the sedimentation tank (3).

7. The BSTS short-range biological sewage treatment system of claim 6, wherein: the rotary sludge settling tank is characterized in that a driving screw rod (29) is rotatably connected to the inner side wall of the settling tank (3), two first sludge scraping plates (30) are in threaded connection with the driving screw rod (29), two first sludge scraping plates (30) are in bottom contact with the inner bottom surface of the settling tank (3), two second gears (31) are fixedly connected to the outer surface of the driving screw rod (29), the driving screw rod (29) is a bidirectional driving screw rod (29), the two ends of the driving screw rod (29) are opposite in rotating direction, a second rack (32) is fixedly connected to the bottom of the first sliding block (23), and the second rack (32) is meshed with the second gears (31).

8. The BSTS short-range biological sewage treatment system of claim 7, wherein: first mud scraper (30) bottom is rotated and is connected with second bull stick (33), fixedly connected with wane (34) on second bull stick (33) surface, the bottom surface contact of wane (34) bottom and sedimentation tank (3), both ends are connected with friction pulley (35) through the ratchet around second bull stick (33) is outer, equal fixedly connected with friction strip (36) on the inside wall around sedimentation tank (3), friction pulley (35) act on with friction strip (36).

9. The BSTS short-range biological sewage treatment system of claim 6, wherein: the improved sludge treatment device is characterized in that an inclined collecting tank (37) is arranged in the middle of the bottom surface of the inner side of the sedimentation tank (3), a first screw rod (38) is connected to the front side wall and the rear side wall of the sedimentation tank (3) in a rotating mode, a driving motor (39) is fixedly connected to the rear end of the first screw rod (38), the driving motor (39) is fixedly connected to the side wall of the sedimentation tank (3), a second sludge scraping plate (40) is connected to the outer surface of the first screw rod (38) in a threaded mode, the second sludge scraping plate (40) and the collecting tank (37) are formed in a consistent mode and used for scraping sludge on the inner side of the collecting tank (37), and a sludge discharge valve (41) is fixedly connected to one side of the bottom of the collecting tank (37).

10. A BSTS short-range biological sewage treatment process is applicable to any one of BSTS short-range biological sewage treatment systems of claims 1-9, and is characterized in that: the process comprises the following specific steps:

the method comprises the following steps: introducing sewage to be treated into a pretreatment tank (1);

step two: the intelligent system (7) calculates data by combining big data and a set of formula, so that the pretreatment device (5) is automatically triggered to accurately add various medicaments to the pretreatment tank (1), and the water body is adjusted to a degree suitable for nitrification and denitrification reactions;

Step three: the intelligent system (7) detects oxygen in the pretreatment tank (1) and automatically controls the aeration pipe (14) to aerate the pretreatment tank (1);

step four: introducing the pretreated sewage into a fine treatment tank (2) for more accurate biological treatment and fine adjustment;

step five: discharging the sewage after the fine treatment into a sedimentation tank (3) for sedimentation;

step six: and discharging the sewage meeting the requirements after the sludge is precipitated, and discharging or refluxing the precipitated sludge for use.

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