CN214781130U

CN214781130U - Sewage pretreatment device for RO system

Info

Publication number: CN214781130U
Application number: CN202121645189.1U
Authority: CN
Inventors: 张平
Original assignee: Wuxi Xinmeicheng Machinery Manufacturing Co ltd
Current assignee: Wuxi Xinmeicheng Machinery Manufacturing Co ltd
Priority date: 2021-07-20
Filing date: 2021-07-20
Publication date: 2021-11-19
Anticipated expiration: 2031-07-20

Abstract

The utility model discloses a RO is sewage pretreatment device for system, its technical scheme main points are: the device comprises a treatment box, wherein the interior of the treatment box is divided into an aeration tank and a sedimentation tank by a partition plate, and a plurality of groups of seepage holes are formed in the bottom end of the partition plate; an aeration pipe is arranged in the aeration tank, a first servo motor is arranged at the top of the treatment tank and positioned at the upper part of the aeration tank, the output end of the first servo motor is connected with a shaft lever, and a stirring blade is connected onto the shaft lever; two sides of the partition plate on one side of the sedimentation tank are provided with limiting slide rails, a flow limiting plate is connected inside the limiting slide rails, an overflow box is arranged inside the sedimentation tank, and a water pump is arranged inside the overflow box; utilize this device to realize filtering, aeration and sediment sewage for large-scale impurity in the sewage carries out filtration treatment, can realize filtering the sewage after the aeration, and the overflow box can collect the clear water and discharge.

Description

Sewage pretreatment device for RO system

Technical Field

The utility model relates to a RO system preliminary treatment field, in particular to RO is sewage pretreatment device for system.

Background

The RO water treatment system is also called reverse osmosis water treatment system, and its principle is that raw water passes through reverse osmosis membrane under the action of high pressure, and the solvent in the water is diffused from high concentration to low concentration so as to attain the goal of separation, purification and concentration. The reverse osmosis water treatment system can remove bacteria, viruses, colloids, organic matters and more than 98% of soluble salts in water. The method has the characteristics of low operation cost, simple operation, high automation degree, stable effluent quality and the like. Compared with other traditional water treatment methods, the method has obvious advantages and is widely applied to water treatment related industries.

Referring to the prior Chinese patent with the publication number of CN205011540U, the system discloses a sewage recycling zero-emission treatment system, which comprises a sewage pretreatment group, a multi-stage RO membrane system group and an MVR evaporation device, wherein the sewage pretreatment group, the multi-stage RO membrane system group and the MVR evaporation device are sequentially connected through pipelines; the sewage pretreatment group is connected with a sewage inlet pipe, sewage flows into the sewage pretreatment group along the inlet pipe, and the sewage pretreatment group performs pH value adjustment, precipitation and disinfection on the sewage to obtain liquid to be discharged; the multi-stage RO membrane system group comprises at least two stages of RO membrane assemblies which are connected in series, and the liquid to be drained is filtered step by step to obtain clear water and concentrated water, the clear water flows into the reuse water collecting box along a pipeline, and the concentrated water flows into the MVR evaporation device through the pipeline; the MVR evaporation plant is connected with the sludge discharge tank and the reuse water collecting box, the concentrated water is distilled into clear water and sludge through the MVR evaporation plant, the clear water flows into the reuse water collecting box, and the sludge is discharged to the sludge discharge tank.

The sewage recycling zero-discharge treatment system has the advantages of high sewage treatment efficiency, low cost, good water quality after treatment and the like. However, the above-mentioned sewage recycling zero-emission treatment system still has some disadvantages, such as: firstly, sewage cannot be pretreated, so that impurities in the sewage easily cause RO system blockage and slow filtration; secondly, effective aeration stirring on the sewage to remove impurities cannot be realized, and seepage filtration cannot be realized; and thirdly, the overflow of the clean water in the sewage can not be realized, so that the sewage and the clean water are easily conveyed together.

SUMMERY OF THE UTILITY MODEL

To the problem mentioned in the background art, the utility model aims at providing a sewage pretreatment device for RO system to solve the problem mentioned in the background art.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a sewage pretreatment device for an RO system comprises a treatment box, wherein the interior of the treatment box is divided into an aeration tank and a sedimentation tank by a partition plate, and the bottom end of the partition plate is provided with a plurality of groups of seepage holes;

an aeration pipe is fixedly arranged in the aeration tank, a plurality of groups of aeration nozzles are arranged on the aeration pipe, a first servo motor is fixedly arranged at the top of the treatment tank and positioned at the upper part of the aeration tank, the output end of the first servo motor is fixedly connected with a shaft lever, the shaft lever is movably positioned in the aeration tank, and a stirring blade is fixedly connected to the shaft lever;

the sedimentation tank is characterized in that limiting slide rails are fixedly arranged on two sides of the partition plate on one side of the sedimentation tank, a flow limiting plate is movably connected inside the limiting slide rails, a second servo motor is fixedly mounted on the upper portion of the partition plate, a lead screw is fixedly connected to the output end of the second servo motor, two groups of connecting blocks are fixedly mounted on one side of the flow limiting plate, the lead screw is in threaded connection with the inside of the connecting blocks, an overflow box is fixedly arranged inside the sedimentation tank, and a water pump is mounted inside the overflow box.

By adopting the technical scheme, the sewage can be filtered, aerated and precipitated by utilizing the device, so that large impurities in the sewage are effectively filtered, the blockage and the filtration efficiency of the RO system sewage treatment caused by the large impurities are reduced, the aeration treatment of the sewage is realized through the aeration pipe, and the sewage is stirred through the stirring blades, so that the aeration is more sufficient;

utilize this device can realize filtering the sewage after the aeration, can realize carrying out effectual filtration to sewage through the seepage flow hole, prevent that the impurity in the sewage from flowing into the sedimentation tank, and at one side current-limiting plate of sedimentation tank, can realize carrying out the break-make operation to the seepage flow hole, and be equipped with the overflow case in the sedimentation tank, can be so that the clear water on the sewage upper portion after filtering can flow in, then carry the discharge through the water pump.

Preferably, sliding grooves are formed in two sides of the partition plate, sliding blocks are fixedly arranged on two sides of the flow limiting plate, and the sliding blocks are located inside the sliding grooves in a sliding mode.

Through adopting above-mentioned technical scheme, the setting for of spout and slider can make the laminating that the current-limiting plate can be stable on the baffle to can remove the regulation under second servo motor's the drive.

Preferably, the bottom of the sedimentation tank is fixedly provided with a first bearing seat, and the bottom end of the screw rod is movably arranged in the first bearing seat.

Through adopting above-mentioned technical scheme, the setting for of first bearing frame can be so that the lead screw can be stable carry out erection joint, and the lead screw of being convenient for drives the current-limiting plate and removes the regulation.

Preferably, the aeration pipe is arranged in an I shape, one side of the aeration pipe is fixedly communicated with a gas pipe, the gas pipe is communicated with an external aerator, and inclined plates are fixedly arranged on two sides of the bottom of the sedimentation tank.

Through adopting above-mentioned technical scheme, the aeration pipe sets to the I shape, can realize carrying out comprehensive aeration treatment to aeration tank inside, and the settlement of swash plate can make silt be convenient for the gathering, conveniently clears up.

Preferably, the water pump is communicated with a clean water discharge pipe, one end of the clean water discharge pipe penetrates through the side wall of the treatment box, and one side of the treatment box in the sedimentation tank is fixedly communicated with a residual water discharge pipe.

Through adopting above-mentioned technical scheme, the water pump passes through the clear water delivery pipe and realizes discharging the clear water of overflow incasement portion to carry and carry out purification treatment for the RO system, and remaining water delivery pipe's settlement can realize discharging the water of sedimentation tank inside.

Preferably, the bottom end of one side of the aeration tank of the treatment tank is fixedly communicated with a slurry discharge pipe, the interior of the slurry discharge pipe is connected with an external conveying auger, and the top of the aeration tank is fixedly communicated with a sewage inlet pipe.

Through adopting above-mentioned technical scheme, defeated material auger can realize discharging the silt that the aeration subsides got off, and defeated material auger is in between two swash plates, is convenient for carry silt, and the sewage admission pipe is convenient for carry sewage input.

Preferably, a second bearing seat is fixedly arranged in the aeration tank through a support rod, and the bottom end of the shaft rod is movably arranged in the second bearing seat.

Through adopting above-mentioned technical scheme, second bearing frame and bracing piece are convenient for support the connection to the axostylus axostyle for the axostylus axostyle can remain stable balanced when rotating.

Preferably, the ends of the sewage inlet pipe and the mud discharge pipe are respectively provided with a flange connecting seat.

Through adopting above-mentioned technical scheme, flange joint seat's settlement is convenient for carry out sealing connection to external pipeline and defeated material auger.

To sum up, the utility model discloses mainly have following beneficial effect:

firstly, the sewage can be filtered, aerated and precipitated by utilizing the device, so that large impurities in the sewage can be effectively filtered, the blockage and the filtration efficiency of the RO system sewage treatment caused by the large impurities are reduced, the aeration treatment of the sewage is realized through the aeration pipe, and the sewage is stirred through the stirring blades, so that the aeration is more sufficient;

the second, utilize this device can realize filtering the sewage after the aeration, can realize carrying out effectual filtration to sewage through the seepage flow hole, prevent that the impurity in the sewage from flowing into the sedimentation tank, and at one side current-limiting plate of sedimentation tank, can realize carrying out the break-make operation to the seepage flow hole, and be equipped with the overflow case in the sedimentation tank, can be so that the clear water on the sewage upper portion after filtering can flow in, then carry the discharge through the water pump.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is one of the partial structural schematic diagrams of the present invention;

fig. 3 is a second partial schematic structural view of the present invention;

fig. 4 is a third schematic view of a part of the structure of the present invention;

FIG. 5 is a fourth schematic view of the structure of the present invention;

fig. 6 is an enlarged schematic view of the utility model at a in fig. 5.

Reference numerals: 1. a treatment tank; 2. a sloping plate; 3. an aeration pipe; 4. an air nozzle; 5. a first servo motor; 6. a shaft lever; 7. stirring blades; 8. a partition plate; 9. a seepage hole; 10. a limiting slide rail; 11. a restrictor plate; 12. a second servo motor; 13. a screw rod; 14. connecting blocks; 15. an overflow tank; 16. a water pump; 17. a chute; 18. a slider; 19. a first bearing housing; 20. a gas delivery pipe; 21. a clear water discharge pipe; 22. a second bearing housing; 23. a support bar; 24. a mud discharge pipe; 25. sewage enters the pipe; 26. a flange connecting seat; 27. and a residual water discharge pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1 to 6, a sewage pretreatment device for an RO system includes a treatment tank 1, the interior of the treatment tank 1 is divided into an aeration tank and a sedimentation tank by a partition plate 8, and a plurality of sets of seepage holes 9 are formed at the bottom end of the partition plate 8;

the aeration tank is internally and fixedly provided with an aeration pipe 3, the aeration pipe 3 is provided with a plurality of groups of aeration nozzles 4, the top of the treatment tank 1 is fixedly provided with a first servo motor 5 at the upper part of the aeration tank, the output end of the first servo motor 5 is fixedly connected with a shaft lever 6, the shaft lever 6 is movably arranged in the aeration tank, and the shaft lever 6 is fixedly connected with a stirring blade 7;

fixed spacing slide rail 10 that is equipped with in both sides of the baffle 8 of sedimentation tank one side, the inside swing joint of spacing slide rail 10 has the current-limiting plate 11, the upper portion fixed mounting of baffle 8 has second servo motor 12, the output fixedly connected with lead screw 13 of second servo motor 12, one side fixed mounting of current-limiting plate 11 has two sets of connecting blocks 14, lead screw 13 threaded connection is in the inside of connecting block 14, the fixed overflow box 15 that is equipped with in inside of sedimentation tank, the internally mounted of overflow box 15 has water pump 16.

By adopting the technical scheme, the sewage can be filtered, aerated and precipitated by utilizing the device, so that large impurities in the sewage are effectively filtered, the blockage and the filtration efficiency of the RO system sewage treatment caused by the large impurities are reduced, the aeration treatment of the sewage is realized through the aeration pipe 3, and the sewage is stirred through the stirring blades 7, so that the aeration is more sufficient;

utilize this device can realize filtering the sewage after the aeration, can realize carrying out effectual filtration to sewage through seepage hole 9, prevent that the impurity in the sewage from flowing into the sedimentation tank, and at one side restrictor plate 11 of sedimentation tank, can realize carrying out the break-make operation to seepage hole 9, and be equipped with overflow box 15 in the sedimentation tank, can be so that the clear water on the sewage upper portion after the filtration can flow in, then carry the discharge through water pump 16.

In this embodiment, preferably, sliding grooves 17 are formed in two sides of the partition plate 8, sliding blocks 18 are fixedly arranged on two sides of the restrictor plate 11, and the sliding blocks 18 are slidably located inside the sliding grooves 17. The effect is that the setting of the sliding groove 17 and the sliding block 18 can make the current-limiting plate 11 stably attached to the partition plate 8, and can be moved and adjusted by the driving of the second servo motor 12.

In this embodiment, preferably, the bottom of the sedimentation tank is fixedly provided with a first bearing seat 19, and the bottom end of the screw 13 is movably located inside the first bearing seat 19. The effect is that the setting of the first bearing seat 19 can enable the screw 13 to be stably installed and connected, so that the screw 13 can drive the restrictor plate 11 to move and adjust.

In this embodiment, preferably, the aeration pipe 3 is set to be i-shaped, one side of the aeration pipe 3 is fixedly communicated with the gas pipe 20, the gas pipe 20 is communicated with an external aerator, and the inclined plates 2 are fixedly arranged on two sides of the bottom of the sedimentation tank. The effect does, and aeration pipe 3 sets to the I shape, can realize carrying out comprehensive aeration treatment to aeration tank inside, and the settlement of swash plate 2 can make silt be convenient for the gathering, conveniently clears up.

In this embodiment, preferably, the water pump 16 is connected to a clean water discharge pipe 21, one end of the clean water discharge pipe 21 penetrates through the side wall of the treatment tank 1, and the treatment tank 1 is fixedly connected to a residual water discharge pipe 27 at one side of the sedimentation tank. The effect is that the water pump 16 discharges the clean water inside the overflow tank 15 through the clean water discharge pipe 21 and delivers the clean water to the RO system for purification treatment, and the setting of the residual water discharge pipe 27 can discharge the water inside the sedimentation tank.

In this embodiment, preferably, the bottom end of one side of the aeration tank of the treatment tank 1 is fixedly communicated with a slurry discharge pipe 24, the inside of the slurry discharge pipe 24 is connected with an external conveying auger, and the top of the aeration tank is fixedly communicated with a sewage inlet pipe 25. The effect does, and defeated material auger can realize discharging the silt that the aeration subsides got off, and defeated material auger is located between two swash plates 2, is convenient for carry silt, and sewage admission pipe 25 is convenient for carry on the input to sewage.

In this embodiment, preferably, the interior of the aeration tank is fixedly provided with a second bearing seat 22 through a support rod 23, and the bottom end of the shaft lever 6 is movably arranged in the second bearing seat 22. The effect is that the second bearing seat 22 and the support bar 23 facilitate the supporting connection of the shaft 6, so that the shaft 6 can be kept in stable balance when rotating.

In this embodiment, it is preferable that the ends of the sewage inlet pipe 25 and the mud discharge pipe 24 are respectively provided with a flange connection seat 26. The effect is that the setting of flange joint seat 26 is convenient for carry out sealing connection to external pipeline and defeated material auger.

The use principle and the advantages are as follows:

when in use, the sewage is conveyed through the sewage inlet pipe 25, so that the sewage can enter an aeration tank in the treatment box 1, then the first servo motor 5 is started, the first servo motor 5 drives the stirring blades 7 through the shaft lever 6 to stir the sewage, and is connected with an external aerator through the gas pipe 20 to perform aeration treatment, so that the aeration pipe 3 and the aeration nozzle 4 can perform aeration treatment on the sewage, further impurities in the sewage can be gathered together to realize precipitation, the impurities are gathered on the inclined plate 2, then the second servo motor 12 is started, so that the second servo motor 12 can drive the flow limiting plate 11 through the screw rod 13 to perform movement regulation, further the flow limiting plate 11 can realize operation on the seepage holes 9, and the sewage in the aeration tank can be seeped into the sedimentation tank through the seepage holes 9, then sewage realizes deposiing and overflow in the sedimentation tank, when sewage increases gradually, the clear water on sewage upper portion can overflow the inside of overflow box 15, then start water pump 16, make water pump 16 can carry the inside clear water of overflow box 15 and carry out filtration treatment in the RO system, and the reservation gap between overflow box 15 and the sedimentation tank is less, can not cause a large amount of water waste, remaining water basically contains impurity, and discharge away through surplus water delivery pipe 27, and silt in the aeration tank discharges away through mud discharge pipe 24 through the defeated material auger of external.

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

Claims

1. The utility model provides a sewage pretreatment device for RO system, is including handling case (1), its characterized in that: the interior of the treatment box (1) is divided into an aeration tank and a sedimentation tank by a partition plate (8), and the bottom end of the partition plate (8) is provided with a plurality of groups of seepage holes (9);

an aeration pipe (3) is fixedly arranged in the aeration tank, a plurality of groups of aeration nozzles (4) are arranged on the aeration pipe (3), a first servo motor (5) is fixedly arranged at the top of the treatment box (1) and positioned at the upper part of the aeration tank, the output end of the first servo motor (5) is fixedly connected with a shaft lever (6), the shaft lever (6) is movably arranged in the aeration tank, and a stirring blade (7) is fixedly connected onto the shaft lever (6);

the sedimentation tank is characterized in that limiting slide rails (10) are fixedly arranged on two sides of a partition plate (8) on one side of the sedimentation tank, a flow limiting plate (11) is movably connected to the inside of the limiting slide rails (10), a second servo motor (12) is fixedly arranged on the upper portion of the partition plate (8), a lead screw (13) is fixedly connected to the output end of the second servo motor (12), two sets of connecting blocks (14) are fixedly arranged on one side of the flow limiting plate (11), the lead screw (13) is in threaded connection with the inside of the connecting blocks (14), an overflow box (15) is fixedly arranged inside the sedimentation tank, and a water pump (16) is arranged inside the overflow box (15).

2. A sewage pretreatment apparatus for an RO system according to claim 1, characterized in that: sliding grooves (17) are formed in two sides of the partition plate (8), sliding blocks (18) are fixedly arranged on two sides of the flow limiting plate (11), and the sliding blocks (18) are located inside the sliding grooves (17) in a sliding mode.

3. A sewage pretreatment apparatus for an RO system according to claim 1, characterized in that: the bottom of the sedimentation tank is fixedly provided with a first bearing seat (19), and the bottom end of the screw rod (13) is movably arranged in the first bearing seat (19).

4. A sewage pretreatment apparatus for an RO system according to claim 1, characterized in that: the aeration pipe (3) is arranged in an I shape, one side of the aeration pipe (3) is fixedly communicated with a gas pipe (20), the gas pipe (20) is communicated with an external aerator, and inclined plates (2) are fixedly arranged on two sides of the bottom of the sedimentation tank.

5. A sewage pretreatment apparatus for an RO system according to claim 1, characterized in that: the water pump (16) is communicated with a clean water discharge pipe (21), one end of the clean water discharge pipe (21) penetrates through the side wall of the treatment box (1), and one side of the treatment box (1) in the sedimentation tank is fixedly communicated with a residual water discharge pipe (27).

6. A sewage pretreatment apparatus for an RO system according to claim 1, characterized in that: the treatment tank (1) is characterized in that a slurry discharge pipe (24) is fixedly communicated with the bottom end of one side of the aeration tank, an external conveying auger is connected inside the slurry discharge pipe (24), and a sewage inlet pipe (25) is fixedly communicated with the top of the aeration tank.

7. A sewage pretreatment apparatus for an RO system according to claim 1, characterized in that: a second bearing seat (22) is fixedly arranged in the aeration tank through a support rod (23), and the bottom end of the shaft lever (6) is movably arranged in the second bearing seat (22).

8. The sewage pretreatment apparatus for an RO system according to claim 6, wherein: the ends of the sewage inlet pipe (25) and the mud discharge pipe (24) are respectively provided with a flange connecting seat (26).