CN209797614U - Sewage treatment reactor - Google Patents

Sewage treatment reactor Download PDF

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Publication number
CN209797614U
CN209797614U CN201920289089.6U CN201920289089U CN209797614U CN 209797614 U CN209797614 U CN 209797614U CN 201920289089 U CN201920289089 U CN 201920289089U CN 209797614 U CN209797614 U CN 209797614U
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cylinder
barrel
groove
pipe
sludge
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CN201920289089.6U
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王国才
陶根华
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Sichuan Shunrui Environmental Technology Co Ltd
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Sichuan Shunrui Environmental Technology Co Ltd
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Abstract

The utility model discloses a sewage treatment reactor, which comprises a cylinder body, a slag scraper, an aeration disc, a slag collecting groove for collecting scum and a sludge collecting groove for collecting sediment, wherein the cylinder body is provided with a water inlet pipe and a water outlet pipe, the water inlet pipe is connected with a dosing pipe, and the water outlet pipe is connected with an exhaust pipe; the barrel comprises an inner barrel and an outer barrel, the inner barrel is coaxially sleeved in the outer barrel, the aeration disc is arranged in the inner barrel, the sludge collection groove is arranged at the bottom of the barrel, and the inner barrel and the outer barrel are both communicated with the sludge collection groove; the slag scraping machine is arranged at the top of the outer barrel, and the slag collecting groove is annularly arranged on the outer wall of the barrel; the inner wall of the outer cylinder is provided with an overflow groove, the outer wall of the inner cylinder is provided with an overflow groove, and the overflow groove is positioned in the outer cylinder; the water outlet pipe is communicated with the overflow groove, the water inlet pipe is communicated with the inner cylinder, and the medicine feeding pipe is communicated with the inner cylinder. The sewage treatment device of the utility model combines the air floatation treatment and the sedimentation treatment, the occupied area of the device is small, and the treatment process is simple.

Description

Sewage treatment reactor
Technical Field
The utility model belongs to the technical field of sewage treatment, concretely relates to sewage treatment reactor.
background
The air flotation treatment and the precipitation treatment are common process steps in sewage treatment, wherein the air flotation treatment is to remove floaters on the surface of sewage by devices such as a slag scraper, and the precipitation treatment is to remove precipitated substances in the sewage; the air flotation and sedimentation processes are generally matched with dosing so that substances dissolved in the sewage react to form sediments or floaters. In the existing sewage treatment equipment or process, sediment substances (such as sludge and the like) are usually accumulated at the bottom of a sedimentation tank, the sedimentation tank is cleaned regularly to discharge the sludge, in addition, in the existing equipment, air floatation and sedimentation treatment can not be carried out simultaneously, an independent air floatation tank and the sedimentation tank are needed, the occupied area of the equipment is large, and the management is complex.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: the utility model provides a sewage treatment reactor to solve not enough among the prior art, provide one kind to make air supporting go on simultaneously with the sediment, improve sewage treatment's efficiency, and the utility model discloses a reactor still has advantages such as the power consumption is few, degree of automation height.
In order to realize the purpose, the utility model discloses a technical scheme be: a sewage treatment reactor comprises a cylinder body, a slag scraper, an aeration disc, a slag collecting groove for collecting scum and a sludge collecting groove for collecting sediment, wherein the cylinder body is provided with a water inlet pipe and a water outlet pipe;
the barrel comprises an inner barrel and an outer barrel, the inner barrel is coaxially sleeved in the outer barrel, the aeration disc is arranged in the inner barrel, the sludge collection groove is arranged at the bottom of the barrel, and the inner barrel and the outer barrel are both communicated with the sludge collection groove; the slag scraping machine is arranged at the top of the outer barrel, and the slag collecting groove is annularly arranged on the outer wall of the barrel; the inner wall of the outer cylinder is provided with an overflow groove, the outer wall of the inner cylinder is provided with an overflow groove, and the overflow groove is positioned in the outer cylinder; the water outlet pipe is communicated with the overflow groove, the water inlet pipe is communicated with the inner cylinder, and the dosing pipe is communicated with the inner cylinder.
During sewage entered into the inner tube from the inlet tube, add the medicine in the sewage of medicine pipe to the inner tube, let in gas in the aeration dish sewage, the floater in the sewage is scraped away by the scum board, and the sediment in the sewage is then deposited in the mud collection groove of barrel bottom. The inner cylinder is coaxially sleeved in the outer cylinder, sewage firstly enters the inner cylinder, an air floatation area is formed at the upper part of the inner cylinder, under the action of flow guide of the inner cylinder, the sewage flows into the outer cylinder through the bottom of the inner cylinder, a section of sedimentation area is formed at the lower part of the outer cylinder, a section of clean water area is formed at the upper part of the outer cylinder, the clean water area and the air floatation area are separated by the inner cylinder, so that the air floatation area and the clean water area are independent from each other, and air floatation treatment and sedimentation treatment are carried out simultaneously.
Further, the inner tube includes first barrel and second barrel, first barrel is for leaking hopper-shaped, first barrel is located second barrel top, just the slot end of first barrel with the second barrel intercommunication. The aeration disc is arranged on the first cylinder, and the water inlet pipe is communicated with the first cylinder.
The radius of the funnel-shaped first cylinder is big end up, so that the floaters in the sewage can be uniformly distributed at the top of the first cylinder, and the radius is gradually reduced, so that the floaters can be prevented from entering the outer cylinder when the first cylinder is matched with the aeration disc.
Further, the bottom of second barrel with the bottom parallel and level of urceolus, when sewage in the first barrel entered into the second barrel, because the bottom of second barrel is with the bottom parallel and level of urceolus, reduce the impact force of sewage to the settling zone, make the precipitation effect of mud better.
further, the aeration disc is arranged on the first cylinder, and the water inlet pipe is communicated with the first cylinder.
Further, the overflow trough is arranged on the outer wall of the first cylinder, and the horizontal height of the overflow trough is higher than that of the aeration disc.
Furthermore, the mud collecting groove is funnel-shaped, the wide mouth end of the mud collecting groove is communicated with the bottom of the barrel, and the funnel-shaped mud collecting groove enables the sludge to be gathered at the bottom of the mud collecting groove, so that the sludge is convenient to clean.
Further, the slope of the mud collecting groove is 60-80 degrees. The preferred slope of the sludge collecting groove is 65 degrees, and the slope of the sludge collecting groove is set between 60 and 80 degrees, so that the adhesion of sludge on the side wall of the sludge collecting groove can be reduced, and the sludge can be conveniently guided to the bottom of the sludge collecting groove.
Furthermore, one end of the sludge collection groove, which is far away from the barrel, is provided with a first sludge discharge pipe, and the first sludge discharge pipe is provided with an electromagnetic valve. And a second sludge discharge pipe is arranged at the bottom of the slag collecting groove. The first sludge discharge pipe and the second sludge discharge pipe can discharge waste in the sludge collecting groove and the sludge collecting groove to the corresponding treatment pool respectively, and the electromagnetic valve is further arranged on the first sludge discharge pipe and can be opened at regular time under the action of the delay switch to discharge sludge in the sludge collecting groove.
Since the technical scheme is used, the beneficial effects of the utility model are that:
In the sewage treatment device of the utility model, an inner cylinder is sleeved in an outer cylinder, an aeration disc is arranged in the inner cylinder, and the aeration disc introduces a large amount of gas into the inner cylinder, so that the medicament and the sewage are uniformly mixed, meanwhile, floaters in the sewage float upwards and are concentrated at the top of the inner cylinder and are discharged into a slag collecting groove under the action of a slag scraping machine; the bottom of the outer cylinder is communicated with the bottom of the inner cylinder, sewage forms a settling zone at the bottoms of the outer cylinder and the inner cylinder, sludge is gathered in the sludge collecting tank, and air floatation treatment and sedimentation treatment are carried out simultaneously under the common action of the outer cylinder and the inner cylinder. The sewage treatment device of the utility model combines the air floatation treatment and the sedimentation treatment, the occupied area of the device is small, and the treatment process is simple.
Drawings
FIG. 1 is a schematic front view of a reactor according to the present invention;
FIG. 2 is a schematic top view of a reactor of the present invention;
FIG. 3 is a schematic front view of the inner barrel of the reactor of the present invention;
FIG. 4 is an enlarged view of portion A of FIG. 1;
Reference numerals: 1-cylinder, 11-inner cylinder, 111-first cylinder, 112-second cylinder, 12-outer cylinder, 13-water inlet pipe, 14-water outlet pipe, 15-dosing pipe, 16-exhaust pipe, 2-slag scraper, 3-aeration disc, 4-slag collecting tank, 5-sludge collecting tank, 6-overflow groove, 8-first sludge discharge pipe, 9-second sludge discharge pipe and 10-electromagnetic valve.
Detailed Description
The embodiments of the present invention will be described in detail with reference to the accompanying fig. 1-4;
The sewage treatment device of the utility model mainly aims at the sewage with COD concentration less than or equal to 1000 mg/L.
Example 1:
A sewage treatment reactor comprises a cylinder body 1, a slag scraper 2, an aeration disc 3, a slag collecting tank 4 for collecting scum and a sludge collecting tank 5 for collecting sediments, wherein the cylinder body 1 is provided with a water inlet pipe 13 and a water outlet pipe 14, a chemical adding pipe 15 is arranged on the water inlet pipe 13, when sewage is introduced into the cylinder body 1, a chemical is added into the sewage in the water inlet pipe 13 through the chemical adding pipe 15, so that the sewage entering the cylinder body 1 is mixed with the chemical, and the chemical reacts with heavy pollutants in the sewage to generate sediments; an exhaust pipe 16 is arranged on the water outlet pipe 14, the exhaust pipe 16 exhausts the gas in the cylinder body 1, so that the air pressure in the cylinder body 1 is the same as that in the outside, and the water in the cylinder body 1 can be continuously and uninterruptedly exhausted from the water outlet pipe 14.
The cylinder body 1 comprises an inner cylinder 11 and an outer cylinder 12, wherein the inner cylinder 11 is coaxially sleeved in the outer cylinder 12, the inner cylinder 11 is fixed on the inner wall of the outer cylinder 12, and a certain gap is formed between the inner cylinder 11 and the outer cylinder 12. Wherein the diameter of urceolus 12 is 1.6m, and vertical height is 5.6m, aeration dish 3 is located inner tube 11, and aeration dish 3 is connected with corresponding fan and lets in high-speed air to the sewage of inner tube 11 to aeration dish 3's venthole is upwards, and aeration dish 3 is 6, and 6 aeration dish 3 are along the even interval setting of same circumference, and aeration dish 3's diameter is 215 mm.
The inlet tube 13 with inner tube 11 intercommunication, the delivery port of inlet tube 13 is located the top of aeration dish, dosing pipe 15 is connected with inlet tube 13, all is provided with the check valve on inlet tube 13 and dosing pipe 15 for prevent the sewage refluence in the barrel. The sludge collecting groove 5 is arranged at the bottom of the barrel 1, and the inner barrel 11 and the outer barrel 12 are both communicated with the sludge collecting groove 5; the slag scraper 2 is arranged at the top of the inner cylinder 11, the slag collecting groove 4 is annularly arranged on the outer wall of the cylinder body 1, the radial width of the slag collecting groove 4 is 20cm, and floating objects of sewage in the cylinder body 1 are scraped into the slag collecting groove 4 by a slag scraping plate of the slag scraper 2; the outer wall of the inner cylinder 11 is provided with an overflow groove 6, the overflow groove 6 is positioned in the outer cylinder 12, the treated clean water is spread into the overflow groove 6, the water outlet pipe 14 is communicated with the overflow groove 6, and the clean water in the overflow groove 6 is discharged to the next-stage treatment equipment from a water discharge pipe.
When the reactor is used for the first time or when no liquid exists in the reactor, firstly sewage is introduced into the cylinder 1, the sewage flows into the inner cylinder 11 from the water inlet pipe 13 and enters the outer cylinder 12 from the bottom of the inner cylinder 11, when the liquid level in the reactor is lower than the bottom of the cylinder 1, a small amount of scum in the sewage can enter the outer cylinder 12, but when the liquid level exceeds the bottom of the cylinder 1 along with the addition of the sewage, the scum on the liquid level always floats on the liquid level of the inner cylinder 11 and cannot enter the outer cylinder 12, when the liquid level rises to the position of the aeration disc 3, the sewage is aerated through the aeration disc 3, and the aeration quantity is 0.156m3And/min, stirring the sewage in the cylinder body 1 by using gas, and adding a medicament into the cylinder body 1 through a medicament adding pipe 15. Under the action of the slag scraper 2, floating objects on the liquid level in the sewage are scraped into the slag collecting groove 4 by the slag scraper. Along with the continuous inflow of the sewage into the inner cylinder 11, the gas generated by the aeration disc 3 enables the sewage and the medicament to be uniformly mixed, so that the scum floats upwards and slightly lifts the liquid level of the inner cylinder 11, the scum in the scum is conveniently scraped by a scum scraping plate of the scum scraper 2, and the scum is generated at the upper part of the inner cylinder 11 and is an air floating area; the sewage flows into the bottom of the inner cylinder 11 and then flows into the outer cylinder 12, as shown in figure 1, a section of sedimentation area is formed at the lower part of the cylinder 1, and the sediment in the sewage is deposited in the sludge collection tank 5 at the bottom of the cylinder 1; a section of clear water area is formed on the upper part of the outer cylinder 12, and clear water after precipitation is discharged from the overflow trough 6 to the next treatment equipment through the water outlet pipe 14. In this embodiment, the level of the overflow chute 6 is higher than the water outlet of the water inlet pipe 13, and a filter screen is arranged at the water inlet of the overflow chute 6; due to the small amountThe dross floats on the liquid surface of the outer cylinder 12, and the overflow chute 6 is arranged at a slightly lower position, so that the probability of the dross entering the overflow chute 6 can be reduced.
Of course, in order to prevent the scum from entering the outer cylinder 12, part of clear water can be injected into the cylinder 1 before use, the liquid level is higher than the bottom of the cylinder 1 but lower than the overflow groove 6, and then the cylinder 1 is subjected to sewage treatment.
example 2: on the basis of embodiment 1, in this embodiment, the inner cylinder 11 includes a first cylinder 111 and a second cylinder 112, the first cylinder 111 is funnel-shaped, the first cylinder 111 is disposed on the top of the second cylinder 112, and the narrow-end of the first cylinder 111 is communicated with the second cylinder 112. The aeration disc 3 is arranged at the narrow-mouth end of the first cylinder 111, and the water inlet pipe 13 is communicated with the first cylinder 111.
The funnel-shaped first cylinder 111 is an air floating area, when the reactor is in a normal use state, namely when the water outlet pipe 14 has continuous clear water discharge, the sewage entering the cylinder 1 through the water inlet pipe 13 completes the air floating process in the first cylinder 111, and then flows into the outer cylinder 12 through the flow guide effect of the second cylinder 112; the funnel-shaped first cylinder 111 and the funnel-shaped second cylinder 112 are matched for use, so that most of floating slag in sewage floats upwards, and floating objects are prevented from entering the second cylinder 112.
Preferably, in the present embodiment, the wide-mouth end of the first cylinder 111 is connected to the inner wall of the outer cylinder 12, and the overflow groove 6 is disposed below the connection, as shown in fig. 1.
Preferably, the bottom of the second cylinder 112 is flush with the bottom of the outer cylinder 12, and when sewage in the first cylinder 111 enters the second cylinder 112, because the bottom of the second cylinder 112 is flush with the bottom of the outer cylinder 12, the impact force of the sewage on a settling area is reduced, and the settling effect of the sludge is better. In other embodiments of the present invention, the horizontal position of the bottom end of the inner barrel 11 is higher than the horizontal position of the bottom of the outer barrel 12, so as to better avoid the liquid in the inner barrel 11 from impacting the sludge in the sludge collecting tank 5.
example 3: on the basis of embodiment 2, in this embodiment, the sludge collecting groove 5 is funnel-shaped, a wide opening end of the sludge collecting groove 5 is communicated with the bottom of the barrel 1, and the funnel-shaped sludge collecting groove 5 collects sludge at the bottom of the sludge collecting groove 5, so that the sludge is convenient to clean. And the slope of the sludge collecting groove 5 is 65 degrees, which is convenient for guiding the sludge to the bottom of the sludge collecting groove 5. In other embodiments of the present invention, the slope of the sludge trough 5 may also be any value within 60-80 °, such as 60 °, 70 °, 75 °, 80 °, etc.
in this embodiment, a first sludge discharge pipe 8 is arranged at one end of the sludge collection tank 5 far away from the cylinder 1, and the first sludge discharge pipe 8 is provided with an electromagnetic valve 10. The electromagnetic valve 10 is connected with the delay switch, and under the normal use state, the electromagnetic valve 10 can be opened at regular time through the delay switch to discharge the sludge in the sludge collecting tank 5. The lowest part of the slag collecting groove 4 is provided with a slag discharging port, and a second sludge discharging pipe 9 is arranged at the slag discharging port. Scum in the scum collecting tank 4 is discharged through a second sludge discharge pipe 9. The first sludge discharge pipe 8 and the second sludge discharge pipe 9 can respectively discharge the wastes in the sludge collecting tank 5 and the slag collecting tank 4 to the corresponding treatment pools.
the utility model discloses a sustainable treatment of sewage treatment reactor makes air supporting go on simultaneously with the sediment, need not solitary heavy pond, and operation flow is simple, and equipment area is little.

Claims (10)

1. A sewage treatment reactor is characterized in that: the device comprises a cylinder body (1), a slag scraper (2), an aeration disc (3), a slag collecting tank (4) for collecting scum and a sludge collecting tank (5) for collecting sediment, wherein the cylinder body (1) is provided with a water inlet pipe (13) and a water outlet pipe (14), the water inlet pipe (13) is connected with a dosing pipe (15), and the water outlet pipe (14) is connected with an exhaust pipe (16);
The barrel body (1) comprises an inner barrel (11) and an outer barrel (12), the inner barrel (11) is coaxially sleeved in the outer barrel (12), the aeration disc (3) is arranged in the inner barrel (11), the sludge collection groove (5) is arranged at the bottom of the barrel body (1), and the inner barrel (11) and the outer barrel (12) are both communicated with the sludge collection groove (5); the slag scraper (2) is arranged at the top of the outer cylinder (12), and the slag collecting groove (4) is annularly arranged on the outer wall of the cylinder (1); the inner wall of the outer cylinder (12) is provided with an overflow groove (6); the water outlet pipe (14) is communicated with the overflow groove (6), and the water inlet pipe (13) is communicated with the inner cylinder (11).
2. The sewage treatment reactor of claim 1, wherein: the inner barrel (11) comprises a first barrel (111) and a second barrel (112), and the first barrel (111) is funnel-shaped; the first cylinder (111) is arranged at the top of the second cylinder (112), and the narrow-mouth end of the first cylinder (111) is communicated with the second cylinder (112).
3. the sewage treatment reactor of claim 2, wherein: the bottom of the second cylinder (112) is flush with the bottom of the outer cylinder (12).
4. The sewage treatment reactor of claim 2, wherein: the aeration disc (3) is arranged on the first cylinder (111), and the water inlet pipe (13) is communicated with the first cylinder (111).
5. The wastewater treatment reactor according to claim 4, wherein: the overflow groove (6) is arranged on the outer wall of the first cylinder (111), and the horizontal height of the overflow groove (6) is higher than that of the aeration disc (3).
6. The sewage treatment reactor of claim 1, wherein: the mud collecting groove (5) is funnel-shaped, and the wide opening end of the mud collecting groove (5) is communicated with the bottom of the barrel body (1).
7. The wastewater treatment reactor according to claim 6, wherein: the slope of the sludge collecting groove (5) is 60-80 degrees.
8. The wastewater treatment reactor according to claim 7, wherein: the slope of the sludge collecting groove (5) is 65 degrees.
9. The sewage treatment reactor of claim 1, wherein: the mud collecting groove (5) is far away from one end of the barrel body (1) and is provided with a first mud discharging pipe (8), and the first mud discharging pipe (8) is provided with an electromagnetic valve (10).
10. The sewage treatment reactor of claim 1, wherein: the slag collecting groove (4) is provided with a slag hole, and the slag hole is provided with a second sludge discharge pipe (9).
CN201920289089.6U 2019-03-07 2019-03-07 Sewage treatment reactor Active CN209797614U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920289089.6U CN209797614U (en) 2019-03-07 2019-03-07 Sewage treatment reactor

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Application Number Priority Date Filing Date Title
CN201920289089.6U CN209797614U (en) 2019-03-07 2019-03-07 Sewage treatment reactor

Publications (1)

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CN209797614U true CN209797614U (en) 2019-12-17

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109748419A (en) * 2019-03-07 2019-05-14 四川舜瑞环境科技有限公司 A kind of sewage-treating reactor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109748419A (en) * 2019-03-07 2019-05-14 四川舜瑞环境科技有限公司 A kind of sewage-treating reactor

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