CN209853825U - Sewage anaerobic treatment tank - Google Patents

Abstract

The utility model discloses a sewage anaerobic treatment pool, comprising a reaction pool, the bottom of the reaction pool is connected with a water inlet pipe, and a first switch valve is arranged on the water inlet pipe, and a sewage bucket is fixedly installed on the bottom side of the reaction pool , the top side of the reaction pool is connected with a vacuum tube, and the vacuum tube is provided with a vacuum pump, the top of the reaction pool is connected with an outlet pipe, and the outlet pipe is provided with a second switch valve, and the end of the outlet pipe away from the reaction pool is fixed An air collecting tank is connected, and a water outlet pipe is provided on the side of the air outlet pipe away from the vacuum pipe. In the utility model, by inputting the sewage into the reaction tank, the sediment will be collected and deposited in the sewage hopper under the blocking action of the baffle plate and the agitation of the stirring rod group, and can be discharged, and after the water body is filtered by the filter screen, the continuously rotating partition plate is in the flow of water. When the flow direction is limited, the anaerobic bacteria layer on the partition is fully reacted with the water body, avoiding the blockage caused by the discharge of sediment at the bottom of the anaerobic tank, and making the anaerobic reaction more fully and uniformly, which is beneficial to the improvement of the sewage treatment effect.

Description

A kind of sewage anaerobic treatment pond

technical field

The utility model relates to the technical field of sewage treatment, in particular to a sewage anaerobic treatment pool.

Background technique

The anaerobic tank uses the action of anaerobic bacteria to hydrolyze, acidify and methanate organic matter, remove organic matter in wastewater, and improve the biodegradability of sewage, which is beneficial to subsequent aerobic treatment. The anaerobic degradation process of polymeric organic matter can be divided into four stages: hydrolysis stage, fermentation (or acidification) stage, acetogenic stage and methanogenic stage. Generally, the discharge of sediment at the bottom of the anaerobic tank is prone to clogging and insufficient anaerobic reaction, which is not conducive to the improvement of sewage treatment effect. In view of this, we propose a sewage anaerobic treatment tank to solve the above problems.

Utility model content

The purpose of the utility model is to provide a sewage anaerobic treatment tank to solve the problems raised in the above-mentioned background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions: a sewage anaerobic treatment tank, including a reaction tank, the bottom of the reaction tank is connected with a water inlet pipe, and the water inlet pipe is provided with a first switch valve, the reaction tank A sewage hopper is fixedly installed on the bottom side of the pool, a vacuum tube is connected to the top side of the reaction pool, and a vacuum pump is provided on the vacuum tube, an air outlet pipe is connected to the top of the reaction pool, and a second switch valve is provided on the air outlet pipe. One end of the air outlet pipe away from the reaction pool is fixedly connected with a gas collecting tank, and the side of the air outlet pipe far away from the vacuum tube is provided with a water outlet pipe, the water outlet pipe is connected to the reaction pool, and the water outlet pipe is provided with a third on-off valve. A sewage pipe is fixedly installed at the outlet end of the sewage bucket body, and a first motor is fixedly installed on the outer wall of the sewage pipe, and a stirring shaft is fixedly installed at the output end of the first motor, and the stirring shaft extends into the sewage bucket, and The extension end is fixedly equipped with a stirring rod group, the discharge end of the sewage pipe is provided with a fourth on-off valve, a filter screen is fixedly installed on the inner wall of the reaction pool, and a second motor is fixedly installed on the outer wall of the reaction pool. An installation cavity is provided on the wall of the pool, and two second rotating shafts are fixedly plugged into the inner wall of the installation cavity, and the two second rotating shafts both extend into the pool cavity in the reaction pool, and the output end of the second motor extends to the installation cavity, and the extension end is fixedly connected with the first rotating shaft, the driving gear is fixedly sleeved on the first rotating shaft, and the driven gears are sleeved on the two second rotating shafts located in the installation cavity. Both the driving gear and the two driven gears are meshed with each other, and the two second rotating shafts located in the chamber of the reaction tank are fixedly provided with partitions, and anaerobic bacteria layers are provided on both sides of the partitions .

Preferably, a baffle is provided between the filter screen and the stirring rod group, and the baffle is fixed on the inner wall of the reaction pool, and the baffle is in the shape of an arc with the curved surface facing downward.

Preferably, the agitating rod group is composed of no less than three groups of agitating rods whose length gradually decreases from top to bottom along the sewage bucket cavity.

Preferably, fixing frames are fixedly installed on both sides of the partition, and the anaerobic bacteria layer is fixed in the fixing frames.

Preferably, fixing frames are fixedly installed on both sides of the partition, and the anaerobic bacteria layer is fixed in the fixing frames.

Compared with the prior art, the beneficial effects of the utility model are:

In the utility model, by inputting the sewage into the reaction tank, the sediment will be collected and deposited in the sewage hopper under the blocking of the baffle plate and the agitation of the stirring rod group, and can be discharged, and after the water body is filtered by the filter screen, the continuously rotating partition is in the flow of water. When the flow direction is limited, the anaerobic bacteria layer on the partition is fully reacted with the water body, avoiding the blockage caused by the discharge of sediment at the bottom of the anaerobic tank, and making the anaerobic reaction more fully and uniformly, which is beneficial to the improvement of the sewage treatment effect.

Description of drawings

Fig. 1 is a front sectional view of the utility model.

In the figure: 1 reaction tank, 2 water inlet pipe, 3 first switch valve, 4 sewage bucket, 5 vacuum tube, 6 air outlet pipe, 7 second switch valve, 8 gas collection tank, 9 water outlet pipe, 10 third switch valve, 11 Sewage pipe, 12 first motor, 13 stirring shaft, 14 fourth switch valve, 15 stirring rod group, 16 baffle plate, 17 filter screen, 18 second motor, 19 first rotating shaft, 20 driving gear, 21 driven gear, 22 second rotating shafts, 23 dividing plates.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figure 1, the utility model provides a technical solution: a sewage anaerobic treatment tank, including a reaction tank 1, the bottom of the reaction tank 1 is connected with a water inlet pipe 2, and the water inlet pipe 2 is provided with a first switch valve 3 , the bottom side of the reaction pool 1 is fixedly installed with a sewage bucket 4, the top side of the reaction pool 1 is connected with a vacuum tube 5, and a vacuum pump is arranged on the vacuum tube 5 to ensure an oxygen-free environment in the reaction pool 1, and the top of the reaction pool 1 is connected with a gas outlet pipe 6, and the gas outlet pipe 6 is provided with a second on-off valve 7, the end of the gas outlet pipe 6 away from the reaction tank 1 is fixedly connected to the gas collection tank 8, and the gas in the reaction tank 1 will be output from the gas outlet pipe 6 to the gas collection tank 8 for collection , the side of the air outlet pipe 6 far away from the vacuum tube 5 is provided with a water outlet pipe 9, the outlet pipe 9 is connected to the reaction tank 1, and the third switch valve 10 is arranged on the outlet pipe 9, and the outlet end of the sewage bucket 4 is fixedly installed with a sewage discharge valve. Pipe 11, and the first motor 12 is fixedly installed on the outer pipe wall of the sewage pipe 11, the output end of the first motor 12 is fixedly installed with the stirring shaft 13, the stirring shaft 13 extends into the sewage bucket 4, and the extension end is fixedly installed with the stirring rod Group 15, stirring rod group 15 is composed of no less than three groups of stirring rods whose length gradually decreases from top to bottom along the bucket cavity of the sewage bucket 4. When a large amount of sediment accumulates in the sewage bucket 4, it is easy to accumulate blockage, and under the stirring effect of the stirring rod group 15, the silt can be discharged more smoothly.

The discharge end of the sewage pipe 11 is provided with a fourth switching valve 14, a filter screen 17 is fixedly installed on the inner wall of the reaction tank 1, and a second motor 18 is fixedly installed on the outer wall of the reaction tank 1, between the filter screen 17 and the stirring rod group 15 A baffle 16 is provided, and the baffle 16 is fixed on the inner pool wall of the reaction tank 1, and the baffle 16 is in the shape of an arc with the curved face facing downward. Down, the silt will accumulate towards the side of the sewage bucket 4, which is more conducive to the accumulation and discharge of the silt.

An installation cavity is provided on the wall of the reaction tank 1, and two second rotating shafts 22 are fixedly inserted into the inner wall of the installation cavity, and the two second rotating shafts 22 both extend into the inner pool cavity of the reaction tank 1, and the second motor 18 The output end extends into the installation cavity, and the extension end is fixedly connected with the first rotating shaft 19, the driving gear 20 is fixedly sleeved on the first rotating shaft 19, and the two second rotating shafts 22 are located in the installation cavity. The driving gear 21, the driving gear 20 and the two driven gears 21 are all meshed with each other, and the two second rotating shafts 22 are located on the inner part of the reaction tank 1 and are fixedly sleeved with a partition 23, and the two sides of the partition 23 An anaerobic bacteria layer is arranged on the top, and a fixing frame is fixedly installed on both sides of the partition plate 23, and the anaerobic bacteria layer is fixed in the fixing frame. By placing the anaerobic bacteria layer in the fixing frame, it is more conducive to anaerobic For the fixing of the bacterial layer, when the dividing plate 23 rotates to be parallel to the filter screen 17, the dividing plate 23 separates the cavity of the reaction tank 1, and at this moment, the movement of the water flow is temporarily prevented, so that the water body and the adjacent anaerobic bacterial layer can fully Reaction, to ensure that the anaerobic reaction is more uniform and sufficient.

Working principle: Sewage enters the reaction tank from the water inlet pipe 2, and the sediment gathers downward under the shielding effect of the baffle plate 16, and the first motor 12 is started, so that the stirring shaft 13 drives the stirring rod group 15 to rotate, and the sediment is quickly discharged from the sewage. The pipe 11 is discharged, and the sewage is filtered through the filter screen 17. At this time, the second motor 18 is started, and the driving gear 20 drives the driven gear 21 to rotate, so that the two partitions 23 are rotated, and the rotating partitions 23 are guiding the flow of water. Simultaneously, the anaerobic bacteria layer on the dividing plate 23 can fully react with the sewage, and the sewage is output by the water outlet pipe 9 after treatment.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (5)

1. A sewage anaerobic treatment pond comprises a reaction pond (1) and is characterized in that: the bottom end of the reaction tank (1) is communicated with a water inlet pipe (2), the water inlet pipe (2) is provided with a first switch valve (3), the bottom side of the reaction tank (1) is fixedly provided with a sewage discharge hopper (4), the top side of the reaction tank (1) is communicated with a vacuum pipe (5), the vacuum pipe (5) is provided with a vacuum pump, the top end of the reaction tank (1) is communicated with an air outlet pipe (6), the air outlet pipe (6) is provided with a second switch valve (7), one end of the air outlet pipe (6) far away from the reaction tank (1) is fixedly connected with a gas collecting tank (8), one side of the air outlet pipe (6) far away from the vacuum pipe (5) is provided with a water outlet pipe (9), the water outlet pipe (9) is communicated with the reaction tank (1), the water outlet pipe (9) is provided with a third switch valve (10, and a first motor (12) is fixedly installed on the outer wall of the sewage discharge pipe (11), a stirring shaft (13) is fixedly installed at the output end of the first motor (12), the stirring shaft (13) extends into the sewage discharge hopper (4), a stirring rod group (15) is fixedly installed at the extending end of the stirring shaft, a fourth switch valve (14) is arranged at the discharge end of the sewage discharge pipe (11), a filter screen (17) is fixedly installed on the inner wall of the reaction tank (1), a second motor (18) is fixedly installed on the outer wall of the reaction tank (1), an installation cavity is arranged on the wall of the reaction tank (1), two second rotating shafts (22) are fixedly inserted into the inner wall of the installation cavity, the two second rotating shafts (22) both extend into the inner cavity of the reaction tank (1), the output end of the second motor (18) extends into the installation cavity, the extending end of the second motor is fixedly connected with a first rotating shaft (19), a driving gear (20) is fixedly connected onto the first rotating, and two second pivot (22) are located that installation cavity divides all to be equipped with driven gear (21), driving gear (20) are with two driven gear (21) equal intermeshing, two second pivot (22) are located that reaction tank (1) pond intracavity divides all fixed cover is equipped with baffle (23), and all are equipped with the anaerobe layer on the face of baffle (23) both sides.

2. The anaerobic sewage treatment tank as claimed in claim 1, wherein: be equipped with baffle (16) between filter screen (17) and puddler group (15), and baffle (16) are fixed in reaction tank (1) on the pool wall, and baffle (16) are the arc ring-type that the bending surface is down.

3. The anaerobic sewage treatment tank as claimed in claim 1, wherein: the plate length of the partition plate (23) corresponds to the cavity diameter of the cavity of the reaction tank (1).

4. The anaerobic sewage treatment tank as claimed in claim 1, wherein: the stirring rod group (15) is formed by combining at least three groups of stirring rods, the rod lengths of which are gradually reduced from top to bottom along the cavity of the sewage draining hopper (4).

5. The anaerobic sewage treatment tank as claimed in claim 1, wherein: the fixing frames are fixedly arranged on the two side plates of the partition plate (23), and the anaerobic bacteria layer is fixed in the fixing frames.