CN210505663U - Air floatation machine for treating papermaking wastewater - Google Patents
Air floatation machine for treating papermaking wastewater Download PDFInfo
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- CN210505663U CN210505663U CN201921183467.9U CN201921183467U CN210505663U CN 210505663 U CN210505663 U CN 210505663U CN 201921183467 U CN201921183467 U CN 201921183467U CN 210505663 U CN210505663 U CN 210505663U
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Abstract
The utility model relates to a sewage treatment device technical field, a handle papermaking waste water's air supporting machine, include: the treatment tank is divided into four areas by transverse partition plates, namely a water inlet area, an air flotation tank, a suspended matter discharge tank and a water discharge area; the pressure dissolved air tank is close to the water inlet area; the first motor of the stirring device is arranged in the water inlet area through the first support; the suspended matter scraping device is arranged at one end of the air floatation tank close to the suspended matter discharge tank, and the sewage discharge device is connected with a sewage discharge pipeline at the bottom of the air floatation tank and is used for discharging a sludge layer deposited at the bottom of the air floatation tank; the suspended matter discharge pipeline is connected with the suspended matter discharge tank and is used for discharging the suspended matter layer scraped by the scraping plate; the middle pipeline is arranged at one end of the air floatation tank close to the suspended matter discharge tank and connected with the middle part of the air floatation tank and the buffer tank, so that the liquid level of the buffer tank and the liquid level of the clear water layer of the air floatation tank are equal in height; and the drainage pipeline is connected with the drainage groove and used for discharging the clean water flowing into the drainage groove from the buffer groove.
Description
Technical Field
The utility model belongs to the technical field of sewage treatment device technique and specifically relates to a handle papermaking waste water's air supporting machine.
Background
In China, straw, wood pulp and the like are mostly adopted as paper making raw materials. The waste water generated by papermaking is complex in components, contains a large amount of wood fibers, organic matters and other dissolved matters (residual alkali, inorganic salt, volatile acid, ammonia nitrogen and the like), and is discharged into a natural water system without being treated, so that the dissolved oxygen in the water is consumed, and the survival of aquatic organisms is influenced. At present, when the papermaking wastewater is treated, a mode of combining physical and chemical treatment and biochemical treatment is generally adopted, the biochemical treatment removes most organic matters and impurities dissolved in water, and the physical and chemical treatment mainly removes the impurities (such as wood fibers) insoluble in water. The physicochemical treatment mainly adopts an air floatation mode, and the air floatation machine on the market has huge structure and complex operation and is yet to be improved.
Disclosure of Invention
The utility model aims at overcoming not enough among the above-mentioned background art, provide an air supporting machine of handling papermaking waste water, can handle impurity such as wood fibre in the papermaking waste water, still have compact structure, convenient to use's technical characterstic.
The technical purpose of the utility model is realized like this:
an air flotation machine for treating papermaking wastewater comprises the following structures:
the top of the treatment tank is open, the tank is divided into four areas by transverse partition plates, and the four areas are a water inlet area, an air flotation tank, a suspended matter discharge tank and a water discharge area in sequence; the water inlet area is divided into a water inlet tank and a stirring tank by a longitudinal partition plate, the water inlet tank is connected with the waste water pipe, the lower end of the longitudinal partition plate keeps a distance with the bottom of the water inlet device, and a gap is formed to enable the water inlet tank to be communicated with the stirring tank; the water discharging area is divided into a buffer tank and a water discharging tank through a flashboard assembly;
the pressure dissolved air tank is fixed on the wall of the treatment tank and is close to the water inlet area; the air inlet of the pressure dissolved air tank is connected with an air compressor through an air inlet pipeline, the water inlet of the pressure dissolved air tank is connected with the outlet of a water pump through an air inlet pipeline, the inlet of the water pump is connected with a stirring tank through a water diversion pipeline, and the outlet of the pressure dissolved air tank is connected with a transverse pipe through a longitudinal pipe; the horizontal pipe is positioned at one end of the air floatation tank close to the water inlet area, the two ends of the horizontal pipe are closed, and the pipe wall is connected with a plurality of air floatation pipes which are vertically inserted into the air floatation tank;
the first motor of the stirring device is arranged on the stirring tank through a first support, the stirring shaft is suspended downwards and extends into the lower part of the stirring tank, and the impeller is fixed at the lower end of the stirring shaft;
the suspended matter scraping device is arranged at one end, close to the suspended matter discharge pool, of the air flotation pool and comprises a driving shaft and a driven shaft, the driving shaft stretches across the air flotation pool and is driven by a second motor, two ends of the driving shaft drive the driven shaft to rotate through a chain wheel and a chain respectively, a first scraping plate and a second scraping plate, which are used for scraping suspended matters on the water surface of the air flotation pool, are fixed between the chains at two ends of the driving shaft, and the first scraping plate and the second scraping plate extend in the transverse direction and are adaptive to the width of the air flotation pool;
the sewage discharge device is connected with a sewage discharge pipeline at the bottom of the air floatation tank and is used for discharging a sludge layer deposited at the bottom of the air floatation tank;
the suspended matter discharge pipeline is connected with the suspended matter discharge tank and is used for discharging the suspended matter layer scraped by the scraping plate;
the middle pipeline is arranged at one end of the air floatation tank close to the suspended matter discharge tank and connected with the middle part of the air floatation tank and the buffer tank, so that the liquid level of the buffer tank and the liquid level of the clear water layer of the air floatation tank are equal in height;
and the drainage pipeline is connected with the drainage groove and used for discharging the clean water flowing into the drainage groove from the buffer groove.
Further, the flashboard subassembly comprises flashboard, gate, the screw rod of taking the hand wheel and second support, and the buffer slot and water drainage tank are separated into with the drainage zone to the flashboard, and the sluice gate has been seted up to the upper end of flashboard, and the gate is pasting the flashboard and is arranged and set up the water hole of crossing corresponding with the sluice gate on the flashboard, and the second support is fixed in the drainage zone top, and the screw rod is installed on the second support, and the lower extreme and the gate of screw rod are connected.
Furthermore, the sewage discharging device consists of a sewage discharging valve, a sewage discharging pump and an outer discharge pipeline, wherein the sewage discharging valve is arranged on the sewage discharging pipeline, the sewage discharging pipeline is connected with an inlet of the sewage discharging pump, and an outlet of the sewage discharging pump is connected with the outer discharge pipeline.
Compared with the prior art, the utility model has the following advantage: the utility model discloses a separate through the baffle between each region and form, compact structure, the top is uncovered, can make things convenient for the workman to observe waste water treatment's situation, and the maintenance of also being convenient for drives the impurity suspension in the waste water through the bubble on the surface of water top layer, utilizes the scraper blade to strike off, and the clear water in intermediate level can discharge, reduces environmental pollution.
Drawings
Fig. 1 is a schematic top view of the present invention.
Fig. 2 is a schematic sectional structure diagram of the present invention.
Detailed Description
The present invention will be further described with reference to the drawings attached to the specification, but the present invention is not limited to the following embodiments.
As shown in fig. 1 and 2, the air flotation machine for treating papermaking wastewater comprises a treatment tank 1, a pressure dissolved air tank 17, at least one stirring device, a suspended matter scraping device, a sewage discharging device, a suspended matter discharging pipeline 37, an intermediate pipeline 52 and a water discharging pipeline 40.
The top of the treatment tank 1 is open, and the tank is divided into four areas by a first transverse partition plate 26, a second transverse partition plate 32 and a third transverse partition plate 39, namely a water inlet area, an air flotation tank 31, a suspended matter discharge tank 33 and a water discharge area. The water inlet area is divided into a water inlet tank 13 and a stirring tank 23 by a longitudinal partition plate 12, the water inlet tank 13 is connected with a waste water pipe 16, the lower end of the longitudinal partition plate 12 keeps a distance with the bottom of the water inlet device, and a gap 47 is formed to enable the water inlet tank 13 to be communicated with the stirring tank 23. The drain area is divided into a buffer tank 34 and a drain tank 38 by a shutter assembly.
The pressure dissolved air tank 17 is fixed on the wall of the treatment tank 1 through a support frame 22 and is close to a water inlet area, an air inlet of the pressure dissolved air tank 17 is connected with an air compressor 15 through an air inlet pipeline 14, a water inlet of the pressure dissolved air tank 17 is connected with an outlet of a water pump 20 through a water inlet pipeline 21, an inlet of the water pump 20 is connected with a stirring tank 23 through a water diversion pipeline 19, and an outlet of the pressure dissolved air tank 17 is connected with a transverse pipe 10 through a longitudinal pipe 18. The horizontal pipe 10 is positioned at one end of the air floatation tank 31 close to the water inlet area, the two ends of the horizontal pipe 10 are closed and are respectively fixed on the tank walls at the two sides of the treatment tank 1 through the support 9, and the pipe wall of the horizontal pipe 10 is connected with a plurality of air floatation pipes 11 which are vertically suspended downwards and inserted into the air floatation tank 31.
The number of the stirring devices is three as shown in fig. 1, the first motor 24 of each stirring device is installed on the stirring tank 23 of the water inlet area through the first support 25, the stirring shaft 45 is suspended downwards and extends into the lower part of the stirring tank, and the impeller 46 is fixed at the lower end of the stirring shaft 45.
The suspended matter scraping device is arranged at one end, close to the suspended matter discharge tank 33, of the air floatation tank 31 and comprises a driving shaft 8 and a driven shaft 5 which stretch across the air floatation tank 31. Both ends of the driving shaft 8 and the driven shaft 5 are arranged on the groove walls at both sides of the processing groove 1 through the bearing seats 3. The driving shaft 8 is driven by a second motor 41, the two ends of the driving shaft 8 drive the driven shaft 5 to rotate through a chain wheel 4 and a chain 2 respectively, a first scraper 6 and a second scraper 7 for scraping suspended matters on the water surface of the air floatation tank 31 are fixed between the chains 2 at the two ends of the driving shaft 8, and the first scraper 6 and the second scraper 7 transversely extend and are adaptive to the width of the air floatation tank 31. When the first scraper 6 or the second scraper 7 moves downwards along with the chain 2, the suspension layer 42 on the surface of the clear water layer 43 can be scraped, and at the moment, the lowest point of the first scraper 6 or the second scraper 7 is 2-3mm higher than the highest point of the second transverse partition plate 32, so that the suspension layer 42 can be scraped, and the second transverse partition plate 32 can be prevented from blocking the first scraper 6 or the second scraper 7.
It is noted that the upper and lower sides of the chain 2 are horizontally arranged in the longitudinal direction of the treating tank, and the lower side of the chain 2 is moved from the air flotation tank toward the suspended matter discharge tank 33. The chains 2 extend to both sides of the suspension discharge tank 33 and ensure that the first blade 6 and the second blade 7 can scrape the suspension into the suspension discharge tank 33. Typically, the second flights 7 are positioned at the mid-point of the chain on either side of the first flight 6 so that suspended matter is scraped off by the first and second flights 6, 7 each time the chain moves one revolution.
The sewage discharging device is connected with the sewage discharging pipeline 27 at the bottom of the air floatation tank 31 and is used for discharging the sludge layer 44 deposited at the bottom of the air floatation tank 31.
The suspension discharge pipe 37 is connected to the suspension discharge tank 33, and discharges the layer 42 of the suspension scraped by the scraper. The intermediate pipeline 52 is arranged at one end of the floatation tank 31 close to the suspended matter discharge tank 33, and is connected with the middle part of the floatation tank 31 and the buffer tank 34, so that the liquid level of the clean water 43 in the buffer tank 34 and the liquid level of the floatation tank 31 are equal in height. And the water discharge pipeline 40 is connected with the water discharge groove 38 and is used for discharging the clean water flowing into the water discharge groove 38 from the buffer groove 34.
The flashboard subassembly comprises flashboard 50, gate 49, the screw rod of taking hand wheel 35 and second support 36, and buffer slot 34 and water drainage tank 38 are separated into with the drainage zone to flashboard 50, and sluice gate 51 has been seted up to flashboard 50's upper end, and gate 49 is arranging and the flashboard 50 upper end is seted up and is crossed the water hole 48 corresponding with sluice gate 51, and second support 36 is fixed in the drainage zone top, and the screw rod is installed on second support 36, and the lower extreme and the gate 49 of screw rod are connected.
The sewage draining device consists of a sewage draining valve 30, a sewage draining pump 29 and an outer discharge pipeline 28, wherein the sewage draining valve 30 is arranged on the sewage draining pipeline 27, the sewage draining pipeline 27 is connected with an inlet of the sewage draining pump 29, and an outlet of the sewage draining pump 29 is connected with the outer discharge pipeline 28.
The utility model discloses a theory of operation is: after the wastewater is biochemically treated by adding the medicament, the wastewater enters the water inlet tank 13 from the wastewater pipe and then enters the stirring tank 23 from the notch 47 at the bottom of the longitudinal partition plate 12, and the advantage of entering the stirring tank 13 from the notch 47 is to prevent impurities which are not treated in the wastewater from accumulating at the bottom of the water inlet. The impeller 46 of the stirring device stirs the wastewater to suspend impurities in the water as much as possible, the stirred wastewater is pumped by the water pump 20 and then sent into the pressure dissolved air tank 17 to be mixed with compressed air sent by the air compressor, and then the wastewater is sent into the air flotation tank 31 through the longitudinal pipe 18, the transverse pipe 10 and the air flotation pipe 11, the suspended impurities are taken to the water surface by the compressed air in the floating process to form a suspension layer 42, and the heavier impurities such as sludge and heavy metal particles are gradually deposited at the bottom of the air flotation tank to form a sludge layer 44, and finally the sludge is pumped out by the sewage pump 29 to be discharged or subjected to subsequent treatment.
The clear water layer 43 between the suspension layer 42 and the sludge layer 44 enters the buffer tank 34 through the intermediate pipeline 52, the height of the gate 49 is adjusted through the hand wheel 35, the flow rate of the water flow passing through the water holes 48 into the drainage tank 38 is controlled, the liquid level height of the buffer tank 34 and the air flotation tank 31 can be maintained, and the clear water in the drainage tank 38 can be discharged from the drainage pipeline 40 and enters a natural water network.
As the clear water layer flows, the suspended matter gradually flows toward the suspended matter discharge tank 33. The first scraper 6 and the second scraper 7 are driven by the chain 2 to scrape suspended matters into the suspended matter discharge tank 33, enter the suspended matter discharge pipeline (37) at the bottom of the suspended matter discharge tank 33, and are collected for subsequent treatment.
The above description is only a preferred embodiment of the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (3)
1. The utility model provides an air supporting machine of processing papermaking waste water which characterized in that includes following structure:
the top of the treatment tank (1) is open, the tank is divided into four areas by transverse clapboards, and the four areas are a water inlet area, an air floatation tank (31), a suspended matter discharge tank (33) and a water discharge area in sequence; the water inlet area is divided into a water inlet tank (13) and a stirring tank (23) by a longitudinal clapboard (12), the water inlet tank (13) is connected with a waste water pipe (16), the lower end of the longitudinal clapboard (12) keeps a distance with the bottom of a water inlet device, and a gap (47) is formed to communicate the water inlet tank (13) with the stirring tank (23); the water discharge area is divided into a buffer groove (34) and a water discharge groove (38) through a gate plate assembly;
the pressure dissolved air tank (17) is fixed on the wall of the treatment tank (1) and is close to the water inlet area; an air inlet of the pressure dissolved air tank (17) is connected with an air compressor (15) through an air inlet pipeline (14), a water inlet of the pressure dissolved air tank (17) is connected with an outlet of a water pump (20) through a water inlet pipeline (21), an inlet of the water pump (20) is connected with a stirring tank (23) through a water diversion pipeline (19), and an outlet of the pressure dissolved air tank (17) is connected with a transverse pipe (10) through a longitudinal pipe (18); the transverse pipe (10) is positioned at one end of the air floatation tank (31) close to the water inlet area, the two ends of the transverse pipe (10) are closed, and the pipe wall is connected with a plurality of air floatation pipes (11) which are vertically inserted into the air floatation tank (31) downwards;
the first motor (24) of the stirring device is arranged on the stirring tank (23) through a first support (25), the stirring shaft (45) is suspended downwards and extends into the lower part of the stirring tank, and the impeller (46) is fixed at the lower end of the stirring shaft (45);
the suspended matter scraping device is arranged at one end, close to a suspended matter discharge pool (33), of the air floatation pool (31) and comprises a driving shaft (8) and a driven shaft (5) which stretch over the air floatation pool (31), the driving shaft (8) is driven by a second motor (41), two ends of the driving shaft (8) drive the driven shaft (5) to rotate through a chain wheel (4) and a chain (2) respectively, a first scraper (6) and a second scraper (7) which are used for scraping suspended matters on the water surface of the air floatation pool (31) are fixed between the chains (2) at two ends of the driving shaft (8), and the first scraper (6) and the second scraper (7) extend transversely and are adaptive to the width of the air floatation pool (31);
the sewage discharge device is connected with a sewage discharge pipeline (27) at the bottom of the air floatation tank (31) and is used for discharging a sludge layer (44) deposited at the bottom of the air floatation tank (31);
a suspended matter discharge pipe (37) connected to the suspended matter discharge tank (33) for discharging the suspended matter layer (42) scraped by the scraper;
the middle pipeline (52) is arranged at one end, close to the suspended matter discharge tank (33), of the air floatation tank (31) and is connected with the middle part of the air floatation tank (31) and the buffer tank (34), so that the liquid level of the buffer tank (34) is equal to that of the clear water layer (43) of the air floatation tank (31);
and the drainage pipeline (40) is connected with the drainage groove (38) and is used for draining the clean water flowing into the drainage groove (38) from the buffer groove (34).
2. The air flotation machine for treating papermaking wastewater according to claim 1, characterized in that: the flashboard subassembly comprises flashboard (50), gate (49), screw rod and second support (36) of taking hand wheel (35), dashpot (34) and water drainage tank (38) are separated into with the drainage zone to flashboard (50), sluice gate (51) have been seted up to the upper end of flashboard (50), gate (49) are pasting flashboard (50) to arrange and flashboard (50) upper end seted up with sluice gate (51) corresponding water hole (48) of crossing, second support (36) are fixed in the drainage zone top, the screw rod is installed on second support (36), the lower extreme and the gate (49) of screw rod are connected.
3. The air flotation machine for treating papermaking wastewater according to claim 1 or 2, characterized in that: the sewage draining device is composed of a sewage draining valve (30), a sewage draining pump (29) and an outer discharge pipeline (28), wherein the sewage draining valve (30) is arranged on the sewage draining pipeline (27), the sewage draining pipeline (27) is connected with an inlet of the sewage draining pump (29), and an outlet of the sewage draining pump (29) is connected with the outer discharge pipeline (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921183467.9U CN210505663U (en) | 2019-07-25 | 2019-07-25 | Air floatation machine for treating papermaking wastewater |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921183467.9U CN210505663U (en) | 2019-07-25 | 2019-07-25 | Air floatation machine for treating papermaking wastewater |
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| Publication Number | Publication Date |
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| CN210505663U true CN210505663U (en) | 2020-05-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921183467.9U Active CN210505663U (en) | 2019-07-25 | 2019-07-25 | Air floatation machine for treating papermaking wastewater |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111517506A (en) * | 2020-05-29 | 2020-08-11 | 西安兴晟造纸不锈钢网有限公司 | Sewage treatment machine and sewage treatment method |
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2019
- 2019-07-25 CN CN201921183467.9U patent/CN210505663U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111517506A (en) * | 2020-05-29 | 2020-08-11 | 西安兴晟造纸不锈钢网有限公司 | Sewage treatment machine and sewage treatment method |
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