CN115893563A

CN115893563A - High-efficient shallow layer air supporting processing system of household paper waste water

Info

Publication number: CN115893563A
Application number: CN202211388598.7A
Authority: CN
Inventors: 李文俊; 伍鹤时; 邓志斌
Original assignee: Guangdong Lee and Man Paper Manufacturing Co Ltd
Current assignee: Guangdong Lee and Man Paper Manufacturing Co Ltd
Priority date: 2022-11-08
Filing date: 2022-11-08
Publication date: 2023-04-04

Abstract

The invention relates to the technical field of waste water treatment and environmental protection, in particular to a high-efficiency shallow air floatation treatment system for household paper waste water, which comprises an air floatation machine, wherein the air floatation machine comprises a scum groove and a collecting groove, the scum groove is connected with a reaction system capable of releasing air-water mixture, a scum baffle comprises a baffle body, the baffle body is formed with a sliding groove, a slidable scum scraper is arranged in the sliding groove, a driving groove communicated with the sliding groove is also formed in the scum baffle, a telescopic driving part is arranged in the driving groove, and the driving end of the telescopic driving part is connected with the scum scraper and can telescopically drive the scum scraper to extend out of the scum baffle; actuating mechanism works, scrapes the dross of liquid level to the collecting vat through the dross baffle, and when liquid level height changed, the flexible driving piece motion in the dross baffle drove the dross scraper blade and stretches out and draws back, makes the dross scraper blade contact the liquid level, and the dross baffle can scrape away more dross when the motion, and efficiency can effectively obtain guaranteeing, does not receive the influence of liquid level height.

Description

High-efficient shallow layer air supporting processing system of household paper waste water

Technical Field

The invention relates to the technical field of wastewater treatment and environmental protection, in particular to a high-efficiency shallow air floatation treatment system for household paper wastewater.

Background

Wastewater treatment refers to the process of purifying wastewater to achieve the water quality required for discharge into a certain body of water or reuse. The wastewater treatment is widely applied to various fields such as buildings, agriculture, traffic, energy, petrifaction, environmental protection, urban landscape, medical treatment, catering and the like, and various devices can be used in the wastewater treatment process, wherein the air flotation machine is one of the fields. The air floatation machine is water treatment equipment which is characterized in that a dissolved air system generates a large amount of micro bubbles in water, so that air is attached to suspended particles in a highly dispersed micro bubble form to cause the density of the air to be lower than that of the water, and the air floats on the water surface by utilizing the buoyancy principle, thereby realizing solid-liquid separation.

Chinese invention with patent number CN202211003799.0 discloses a wastewater treatment air-floating device, comprising: the device comprises a box body, a reaction area, a sedimentation area, a releaser, a slag scraping plate, a scum groove, a clear water area and a scum baffle. The reaction zone is positioned in the right area of the box body and is provided with a water inlet; the settling zone is positioned at the lower part in the box body, and the reaction zone is communicated with the settling zone; the releaser is arranged in the box body and is positioned on the left side of the settling zone; the slag scraping plate is arranged at the upper part in the box body, and can circularly run from left to right under the driving of the slag scraping machine; the scum groove is positioned in the right end area of the scum board and is provided with a scum outlet; the clear water area is positioned in the left area of the box body and is provided with a water outlet; the scum baffle is vertically fixed in the box body and is positioned on the right side of the clear water area, so that water flow enters the clear water area from the lower part of the scum baffle.

When scum processing system is strikeed off to floated dross to current air supporting machine, the liquid level that is located the scum groove in the air supporting machine receives the velocity of flow influence can change, and when the liquid level was too high or low excessively, the dross baffle was done on scum groove surface and is scraped the dross action, and the dross that can have a phenomenon or the single of scraping out of scraping a large amount of liquid is less, strikes off efficiency not high, influences the waste water high efficiency of air supporting machine and handles.

Disclosure of Invention

The invention aims to provide a high-efficiency shallow air floatation treatment system for household paper wastewater, aiming at the defects of the prior art.

In order to realize the purpose, the technical scheme of the invention is as follows:

the utility model provides a high-efficient shallow air supporting processing system of household paper waste water, includes the air supporting machine, and the air supporting machine includes scum groove and collecting vat, and the scum groove is connected with the reaction system that can release air water mixture, and scum groove top is provided with dross baffle and drive dross baffle and follows the actuating mechanism of scum groove length direction motion, dross baffle include the baffle body, and baffle body shaping has the sliding tray and installs slidable dross scraper blade at the sliding tray, and the shaping still has the drive groove with the sliding tray intercommunication in the dross baffle, installs scalable motion's flexible driving piece in the drive groove, and the drive end of flexible driving piece is connected with the dross scraper blade and telescopically drives the dross scraper blade and stretches out to the dross baffle outside.

And further: set up slotted baffle before dross groove and collecting vat, the collecting vat shaping has into the sediment mouth, goes into sediment mouth department and is provided with into the sediment layer board, advances the sediment layer board shaping and has the deflector of slope downwardly extending, and the deflector is towards in the dross groove.

Further: the driving mechanism comprises a chain conveying mechanism arranged at the top of the scum groove, the chain conveying mechanism comprises a pair of transmission shafts arranged at the top of the scum groove, the two ends of each transmission shaft are respectively nested with a transmission chain wheel, the two transmission shafts are nested with transmission chains through the transmission chain wheels, and scum baffles are arranged between the two transmission chains.

Further: the bearing frame of fixing at scum groove top is nested respectively at the transmission shaft both ends, and a plurality of fixed blocks are installed along length direction to drive chain, and the fixed block shaping has the fixed slot, and baffle body one end is connected with the support plate along length direction, and the shaping of support plate both ends has the screw hole, installs the connecting block of being connected with drive chain's fixed slot in the screw hole.

Further: the top of the scum groove is provided with a supporting bottom plate, the bearing seat is arranged on the supporting bottom plate, one of the supporting bottom plates is also provided with a driving motor, and the driving motor is in transmission connection with one of the transmission shafts.

Further: the scum scraper comprises a filtering area and a transmission area which are arranged at intervals along the length direction, wherein the filtering area is a filter screen through which liquid can pass, and the transmission area is provided with rolling wheels which are matched with the sliding grooves in a rolling way.

Further: the transmission area is formed with a transmission cavity arranged along the length direction of the scum baffle, a rotating shaft is installed in the transmission cavity, a plurality of rolling wheels are installed on the rotating shaft at equal intervals, a transmission groove for exposing a part of the rolling wheels is formed in the transmission area, and a plurality of rolling grooves matched with the rolling wheels are formed in the groove wall of the sliding groove along the vertical direction.

And further: the telescopic driving part is a telescopic cylinder arranged in the driving groove, and a piston rod of the telescopic cylinder extends to the sliding groove and makes telescopic motion in the sliding groove to drive the scum scraper to slide.

And further: the reaction system comprises a reaction tank arranged outside the scum groove and a gas dissolving machine for providing gas-water-dissolving water for the reaction tank, wherein the reaction tank is provided with a sewage water inlet and a sewage water outlet, and the sewage water inlet is communicated with a sewage pipeline.

And further: the water outlet of the gas dissolving machine is communicated with a dissolved gas releaser, the dissolved gas releaser is connected with a sewage pipeline, the sewage pipeline is provided with a pressurizing port, and a pressurizing device is installed at the pressurizing port.

The invention has the beneficial effects that: the domestic paper wastewater is treated by the reaction system to obtain a gas-water mixture, and then is introduced into the scum tank, and because scum foams in the gas-water mixture can continuously float to the liquid level, the solids of the gas-water mixture can float to the liquid level together; actuating mechanism works, scrapes the dross of liquid level to the collecting vat through the dross baffle, and when liquid level height changed, flexible driving piece motion in the dross baffle drove the dross scraper blade and stretches out and draws back, makes the dross scraper blade contact the liquid level, and the dross baffle can scrape away more dross when the motion, and efficiency can effectively obtain guaranteeing, does not receive the influence of liquid level height.

Drawings

FIG. 1 is a schematic structural diagram of an air flotation machine.

FIG. 2 is a schematic view of another perspective structure of the air floating machine.

Fig. 3 is a schematic structural view of the driving mechanism.

Fig. 4 is a schematic view of the connection between the drive chain and the scum board.

Fig. 5 is a partial structural view of a dross baffle.

Fig. 6 is a partially enlarged schematic view of the dross baffle.

The reference numerals include:

1-an air floating machine,

10-reaction system,

11-a reaction tank, 12-a gas dissolving machine, 13-a sewage inlet, 14-a sewage outlet, 15-a sewage pipeline, 16-a dissolved gas releaser, 17-a pressurizing device, 18-a dosing machine,

2-a scum groove,

20-a driving mechanism,

21-transmission shaft, 22-transmission chain wheel, 23-bearing seat, 24-fixing block, 25-fixing groove,

26-a supporting bottom plate, 27-a driving motor, 28-a transmission chain,

3-a scum baffle,

31-baffle body, 32-sliding groove, 33-driving groove, 34-supporting pallet,

35-threaded hole, 36-connecting block, 37-liquid level sensor, 38-telescopic driving piece,

4-a scum scraper,

41-filter screen, 42-transmission area, 43-transmission cavity, 44-rotating shaft, 45-rolling wheel, 46-transmission groove, 47-rolling groove,

5-a collecting tank,

51-groove partition plate, 52-slag inlet, 53-slag inlet supporting plate and 54-guide plate.

Detailed Description

The present invention is described in detail below with reference to the attached drawings.

As shown in fig. 1-6, a high-efficiency shallow air flotation treatment system for household paper wastewater comprises an air flotation machine 1, wherein the air flotation machine 1 comprises a scum groove 2 and a collecting groove 5, the scum groove 2 is connected with a reaction system 10 capable of releasing a gas-water mixture, the reaction system 10 comprises a reaction tank 11 arranged outside the scum groove 2 and an air dissolving machine 12 for providing gas-water for the reaction tank 11, the reaction tank 11 is formed with a sewage water inlet 13 and a sewage water outlet 14, the sewage water inlet 13 is communicated with a sewage pipeline 15, the water outlet of the air dissolving machine 12 is communicated with a dissolved air releaser 16, the dissolved air releaser 16 is connected with the sewage pipeline 15, the sewage pipeline 15 is also connected with a dosing machine 18 near the sewage water inlet 13, a liquid fenton agent can be added, the dosing machine 18 is communicated with a liquid adding device, the reaction effect is better by matching with the household sewage, the sewage pipeline 15 is provided with a pressurizing port, the pressurizing device 17 is installed at the pressurizing port, and the pressurizing device 17 is an existing externally purchased pressurizing pump.

In this embodiment, sewage flows into the reaction tank 11 through the sewage conduit 15, and the dissolved air water in the air dissolving machine 12 enters the sewage conduit 15 through the container releaser; sewage pipe 15 pressurizes sewage through pressure device 17 simultaneously, make sewage water inlet 13 have certain speed when getting into retort 11, from setting up because sewage water inlet 13 along retort 11's tangential direction, after sewage gets into retort 11 from sewage water inlet 13, sewage can follow retort 11's the rotary motion that carries on, in-process at sewage carries out rotary motion, sewage can be more abundant reacts with the reactant, make sewage treatment's effect better, and sewage is from the bottom of retort 11 to the continuous reaction of in-process that the upper portion flows and is generated the floccule, the floccule that generates combines with the bubble of dissolved air aquatic, the reaction is accomplished when sewage reachs retort 11 top, sewage after the reaction flows out from sewage delivery port 14 and discharges into to scum groove 2 through the pipeline and separate.

The top of the scum trough 2 is provided with a scum baffle 3 and a driving mechanism 20 for driving the scum baffle 3 to move along the length direction of the scum trough 2, the driving mechanism 20 comprises a chain conveying mechanism arranged at the top of the scum trough 2, the chain conveying mechanism comprises a pair of transmission shafts 21 arranged at the top of the scum trough 2, two ends of each transmission shaft 21 are respectively nested with a transmission chain wheel 22, a transmission chain 28 is nested between the two transmission shafts 21 through the transmission chain wheel 22, and the scum baffle 3 is arranged between the two transmission chains 28; bearing blocks 23 fixed at the tops of the scum troughs 2 are respectively nested at two ends of the transmission shaft 21, a plurality of fixing blocks 24 are arranged on the transmission chain 28 along the length direction, and fixing grooves 25 are formed in the fixing blocks 24; the scum baffle 3 comprises a baffle body 31, one end of the baffle body 31 is connected with a supporting plate 34 along the length direction, threaded holes 35 are formed in two ends of the supporting plate 34, a connecting block 36 connected with a fixing groove 25 of the transmission chain 28 is rotatably installed in each threaded hole 35 in a rotatable manner, the outer end of each connecting block 36 and the corresponding fixing groove 25 are of a directional structure, so that the inserted connecting block 36 can be kept stable and cannot rotate or loosen, the scum baffle 3 cannot incline when scum is pushed away, and the scum removal effect is better; the knob matching of the connecting block 36 and the threaded hole 35 enables the supporting plate 34 to be conveniently installed on the transmission chain 28, and the installation distance of the scum baffle 3 can be adjusted, so that the scum baffle is suitable for the process of quickly removing scum.

The top of the scum trough 2 is provided with a support bottom plate 26, the bearing seats 23 are arranged on the support bottom plate 26, one of the support bottom plates 26 is also provided with a driving motor 27, and the driving motor 27 is in transmission connection with one of the transmission shafts 21.

In this embodiment, the sewage passing through the reaction system 10 enters the scum trough 2, and the flocs with bubbles attached to the surface float at the upper end of the scum trough 2, and at this time, the scum needs to be scraped away into the collecting tank 5; the scum baffles 3 are driven by the chain transmission mechanism to move in an annular runway shape along the length of the scum trough 2. When dross baffle 3 down, dross baffle 3 and liquid level contact, float the surperficial backstop of dross and dross baffle 3 above the liquid level, under chain drive's drive, continuous by preceding the promotion, because the width of dross baffle 3 slightly is less than the width in dross groove 2, consequently when pushing forward, most dross is pushed forward simultaneously, pushes away from in the follow liquid level, until pushing into the collecting vat 5 with dross in to the completion is to getting rid of the dross.

The baffle body 31 is vertically formed with a sliding groove 32 and a slidable scum scraper 4 is installed in the sliding groove 32, a driving groove 33 communicated with the sliding groove 32 is also formed in the scum baffle 3, a telescopic driving part 38 capable of telescopic motion is installed in the driving groove 33, the telescopic driving part 38 is a telescopic cylinder, and a piston rod of the telescopic cylinder extends towards the sliding groove 32 and does telescopic motion in the sliding groove 32 to drive the scum scraper 4 to slide.

The scum scraper 4 comprises a filtering area and a transmission area 42 which are arranged at intervals along the length direction, wherein the filtering area is a filter screen 41 which can be passed by liquid, the pore size of the mesh of the filter screen 41 is small, a small amount of scum passes through the liquid while the liquid passes through, but most of the scum cannot pass through the filter screen 41, so when the scum is pushed to the collecting tank 5, the filter screen 41 can filter the liquid and can not push the liquid into the collecting tank 5.

In addition, the transmission area 42 is provided with a rolling wheel 45 which is matched with the sliding groove 32 in a rolling way, the transmission area 42 is formed with a transmission cavity 43 which is arranged along the length direction of the scum baffle 3, a rotating shaft 44 is arranged in the transmission cavity 43, a plurality of rolling wheels 45 are equidistantly arranged on the rotating shaft 44, the transmission area 42 is also formed with a transmission groove 46 for exposing a part of the rolling wheels 45, the groove wall of the sliding groove 32 is formed with a plurality of rolling grooves 47 which are matched with the rolling wheels 45 along the vertical direction, the scum scraper 4 extends outwards under the driving of the telescopic driving piece 38, and when the scum scraper extends out, the rolling wheels 45 arranged on the scum scraper 4 are matched with the transmission groove 46 formed on the groove wall of the sliding groove 32 in a rolling way, so that the scum scraper 4 has higher telescopic efficiency, when the liquid level changes, the outwards telescopic length can be rapidly adjusted, the outer end of the scum scraper 4 is contacted with the liquid level, and more scum can be more accurately pushed away from the scum groove 2.

Specifically, a liquid level sensor 37 is installed in the scum trough 2, the liquid level sensor 37 is in signal connection with the telescopic cylinder through a controller, and after the liquid level sensor is programmed by a software engineer, a functional module framework is established, and a computer system is controlled by a computer program instruction to complete the sensing control function of the liquid level sensor. The liquid level sensor 37 is a conventional XKC-Y26 series non-contact liquid level sensor, and liquid level data can be sent to the telescopic driving piece 38 in real time through the liquid level sensor 37, so that the extending length of the scum scraper 4 can be rapidly obtained; the scum baffle 3 can scrape away more scum when moving, and the efficiency can be effectively ensured without being influenced by the liquid level.

Be provided with slotted baffle 51 before dross groove 2 and collecting vat 5, the collecting vat 5 shaping has into slag notch 52, it is provided with into slag layer board 53 to go into slag notch 52 department, it has slope downwardly extending's deflector 54 to advance slag layer board 53 shaping, deflector 54 is towards in dross groove 2, the dross of pushing through dross baffle 3 enters into deflector 54, because the structure at drive chain 28 both ends sets up, dross baffle 3's whole height can rise gradually, consequently this deflector slope upwards arranges ground to advancing slag layer board 53 and extends, make the dross enter into dross layer board 53 under deflector 54 and dross baffle 3's two effect, subsequently, get into and carry out the aftertreatment in collecting vat 5, thereby accomplish the high-efficient shallow layer of life waste paper water and handle.

In conclusion, the present invention has the above-mentioned excellent characteristics, so that it can be used to enhance the performance of the prior art and has practicability, and becomes a product with practical value.

The above description is only a preferred embodiment of the present invention, and for those skilled in the art, the present invention should not be limited by the description of the present invention, which should be interpreted as a limitation.

Claims

1. The utility model provides a high-efficient shallow air supporting processing system of domestic paper waste water, includes the air supporting machine, and the air supporting machine includes scum groove and collecting vat, and the scum groove is connected with the reaction system that can release the air water mixture, its characterized in that: dross groove top is provided with dross baffle and drive dross baffle and follows the actuating mechanism of dross groove length direction motion, the dross baffle includes the baffle body, and baffle body shaping has the sliding tray and installs slidable dross scraper blade at the sliding tray, and it has the drive groove with the sliding tray intercommunication to go back the shaping in the dross baffle, installs scalable motion's flexible driving piece in the drive groove, and the drive end of flexible driving piece is connected with the dross scraper blade and telescopically drives the dross scraper blade and stretches out to the dross baffle outside.

2. The high-efficiency shallow air flotation treatment system for the household paper wastewater as claimed in claim 1, characterized in that: float slag groove and collecting vat are provided with slotted baffle before, and the collecting vat shaping has into the cinder notch, goes into cinder notch department and is provided with into the sediment layer board, advances the sediment layer board shaping and has slope downwardly extending's deflector, and the deflector is towards in the float slag groove.

3. The high-efficiency shallow air flotation treatment system for the household paper wastewater as recited in claim 1, characterized in that: the driving mechanism comprises a chain conveying mechanism arranged at the top of the scum groove, the chain conveying mechanism comprises a pair of transmission shafts arranged at the top of the scum groove, transmission chain wheels are respectively nested at two ends of the transmission shafts, transmission chains are nested between the two transmission shafts through the transmission chain wheels, and scum baffles are arranged between the two transmission chains.

4. The high-efficiency shallow air flotation treatment system for the household paper wastewater as claimed in claim 3, characterized in that: the bearing frame of fixing at scum groove top is nested respectively at the transmission shaft both ends, and a plurality of fixed blocks are installed along length direction to drive chain, and the fixed block shaping has the fixed slot, and baffle body one end is connected with the support plate along length direction, and the shaping of support plate both ends has the screw hole, installs the connecting block of being connected with drive chain's fixed slot in the screw hole.

5. The high-efficiency shallow air flotation treatment system for the household paper wastewater as claimed in claim 4, characterized in that: the floating slag trough is characterized in that supporting bottom plates are arranged at the tops of the floating slag troughs, the bearing seats are arranged on the supporting bottom plates, one of the supporting bottom plates is further provided with a driving motor, and the driving motor is in transmission connection with one of the transmission shafts.

6. The high-efficiency shallow air flotation treatment system for the household paper wastewater as claimed in claim 1, characterized in that: the scum scraper comprises a filtering area and a transmission area which are arranged at intervals along the length direction, wherein the filtering area is a filter screen through which liquid can pass, and the transmission area is provided with rolling wheels which are matched with the sliding grooves in a rolling way.

7. The high-efficiency shallow air flotation treatment system for the household paper wastewater as claimed in claim 6, characterized in that: the transmission area is formed with a transmission cavity arranged along the length direction of the scum baffle, a rotating shaft is arranged in the transmission cavity, a plurality of rolling wheels are arranged on the rotating shaft at equal intervals, a transmission groove for exposing a part of the rolling wheels is formed in the transmission area, and a plurality of rolling grooves matched with the rolling wheels are formed in the groove wall of the sliding groove along the vertical direction.

8. The high-efficiency shallow air floatation treatment system for the household paper wastewater as claimed in claim 7, characterized in that: the flexible driving piece is a flexible cylinder with a body arranged in the driving groove, and a piston rod of the flexible cylinder extends to the sliding groove and makes flexible motion in the sliding groove to drive the scum scraper to slide.

9. The high-efficiency shallow air flotation treatment system for the household paper wastewater as recited in claim 1, characterized in that: the reaction system comprises a reaction tank arranged outside the scum groove and a gas dissolving machine for providing gas dissolved water for the reaction tank, wherein the reaction tank is formed with a sewage water inlet and a sewage water outlet, and the sewage water inlet is communicated with a sewage pipeline.

10. The high-efficiency shallow air flotation treatment system for the household paper wastewater as claimed in claim 9, characterized in that: the water outlet of the gas dissolving machine is communicated with a dissolved gas releaser, the dissolved gas releaser is connected with a sewage pipeline, the sewage pipeline is provided with a pressurizing port, and a pressurizing device is installed at the pressurizing port.