CN215288426U

CN215288426U - Device for treating high-hardness sewage by reverse osmosis membrane method

Info

Publication number: CN215288426U
Application number: CN202121104949.8U
Authority: CN
Inventors: 赵吉明; 王达权
Original assignee: Xinjiang Zhongeurasian Environmental Protection Technology Co ltd
Current assignee: Xinjiang Zhongeurasian Environmental Protection Technology Co ltd
Priority date: 2021-05-20
Filing date: 2021-05-20
Publication date: 2021-12-24
Anticipated expiration: 2031-05-20

Abstract

The utility model discloses a device for treating high-hardness sewage by a reverse osmosis membrane method, which belongs to the technical field of sewage treatment facilities. Comprises a hardening treatment device, a sludge treatment device and a disinfection treatment device which are communicated with each other through a water pipe in sequence; the hardening treatment device comprises a primary treatment box and a secondary treatment box; the sludge treatment device comprises an aeration tank, a sedimentation tank and a sludge pipe, wherein the aeration tank is provided with a water inlet, and the sedimentation tank is connected with a sludge pump; the disinfection treatment device comprises a disinfection box which is communicated with the sedimentation tank through a water delivery pipe. The utility model provides a problem of the hard effect of removing after can't detecting sewage treatment among the prior art, the operating personnel of being convenient for can detect the hardness of sewage in sewage treatment process to ensure sewage subsequent treatment's treatment effect.

Description

Device for treating high-hardness sewage by reverse osmosis membrane method

Technical Field

The utility model relates to a sewage treatment facility technical field, in particular to device of high rigidity sewage is handled to reverse osmosis membrane method.

Background

Hardness has received much attention as an important water quality indicator in drinking water and industrial water. Too high hardness causes problems in municipal and industrial water processes, and even nephritis in the human body is considered to be related to too high hardness of water, so that it is necessary to remove hardness from high hardness water. In the wastewater treatment, the wastewater needs to be treated through a hardness removal process, the existing wastewater treatment equipment carries out hardness removal treatment on the wastewater and then carries out membrane treatment, but sampling detection cannot be carried out, so that whether the wastewater achieves the required hardness removal effect after the hardness removal treatment is achieved, and the result is unknown.

SUMMERY OF THE UTILITY MODEL

The utility model provides a device of high rigidity sewage is handled to reverse osmosis membrane method has solved current sewage treatment device and can't carry out the problem that the sampling detected to the sewage after handling, and the operating personnel of being convenient for in time samples sewage at the sewage treatment in-process, detects the hardness of sewage to ensure sewage subsequent treatment's treatment effect.

The utility model relates to a device for treating high hardness sewage by a reverse osmosis membrane method, which comprises a hardening treatment device;

the hardening treatment device comprises a primary treatment box and a secondary treatment box, wherein the primary treatment box is provided with a wastewater inlet and a water suction pipe, and the water suction pipe is detachably connected with a detection device; the side walls of the primary treatment box and the secondary treatment box are communicated, the primary treatment box is communicated with one end of a first water delivery pipe, the first water delivery pipe is communicated with one end of a backflow water pipe, the other end of the backflow water pipe is communicated with the secondary treatment box, and a high-pressure pump is arranged on the backflow water pipe; an inclined reverse osmosis membrane is arranged in the secondary treatment box; the secondary treatment box is provided with a concentrated water outlet and is communicated with the first water delivery pipe through a second water delivery pipe;

the sampling device comprises an empty cylinder, a piston and a pull rod, wherein the piston is connected with the empty cylinder in a sliding mode, the piston is sleeved on the pull rod, a water inlet is formed in one side of the empty cylinder, and the water inlet is detachably connected with the water suction pipe.

Preferably, the diameter of the water inlet is 3-5mm larger than that of the water suction pipe, and the length of the pull rod is 2-3cm larger than that of the hollow cylinder.

Preferably, the sewage treatment device further comprises a sludge treatment device, the sludge treatment device comprises an aeration tank, a sedimentation tank and a sludge pipe, a water inlet is formed in the aeration tank, the other end of the first water pipe is communicated with the aeration tank, the side wall of the aeration tank is communicated with the side wall of the sedimentation tank through a third water pipe, the side wall of the aeration tank is communicated with the bottom of the sedimentation tank through the sludge pipe, and a sludge pump is connected to the sedimentation tank;

preferably, the sludge pipe comprises a sludge return pipe and a sludge discharge pipe, one end of the sludge return pipe is communicated with the side wall of the aeration tank, the other end of the sludge return pipe is communicated with the sedimentation tank, the sludge return pipe is provided with a sludge discharge port, and the sludge discharge port is connected with the sludge discharge pipe.

Preferably, the top of the aeration tank is communicated with the first water conveying pipe through a fifth water conveying pipe.

Preferably, two water inlets are formed in one end of the fifth water conveying pipe, which is communicated with the aeration tank.

Preferably, the device further comprises a disinfection treatment device, wherein the disinfection treatment device comprises a disinfection box, and the disinfection box is communicated with the sedimentation tank through the fourth water conveying pipe.

Preferably, a dosing box is arranged on the sterilizing box.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses well sewage is after the primary treatment case through setting up is handled, gets appropriate amount of water through the sampling device who sets up and detects, whether the hardness that detects sewage reaches the standard, if not reach the secondary treatment case that the standard drops into sewage to set up and reprocess.

Drawings

Fig. 1 is a schematic structural diagram of a device for treating high-hardness sewage by a reverse osmosis membrane method provided by the utility model.

Description of reference numerals:

1-a first-stage treatment box, 2-a second-stage treatment box, 3-a water suction pipe, 4-an empty cylinder, 5-a piston, 6-a pull rod, 7-a backflow water pipe, 8-an aeration tank, 9-a sedimentation tank, 10-a sludge backflow pipe, 11-a disinfection box, 12-a first water pipe, 13-a second water pipe, 14-a third water pipe, 15-a fourth water pipe and 16-a fifth water pipe.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, a detailed description of an embodiment of the present invention is provided below with reference to the accompanying drawings, but it should be understood that the scope of the present invention is not limited by the embodiment.

The utility model provides a device for treating high hardness sewage by a reverse osmosis membrane method, which comprises a hardening treatment device as shown in figure 1; the hardening treatment device comprises a primary treatment box 1 and a secondary treatment box 2 and is used for removing the hardness of sewage, a wastewater inlet and a water suction pipe 3 are arranged on the primary treatment box 1, and a sampling device is detachably connected to the water suction pipe 3; the sampling device is used for collecting the sewage treated by the primary treatment tank 1 for detection, and specifically comprises an empty cylinder 4, a piston 5 and a pull rod 6, wherein the piston 5 is connected in the empty cylinder 4 in a sliding manner, the piston 5 is sleeved on the pull rod 6, a water inlet is formed in one side of the empty cylinder 4, and the water inlet is detachably connected with the water suction pipe 3; the diameter of the water inlet is 3-5mm larger than that of the water suction pipe 3, and the length of the pull rod 6 is 2-3cm larger than that of the hollow cylinder 4. The side walls of the primary treatment box 1 and the secondary treatment box 2 are communicated, one end of a first water delivery pipe 12 is communicated with the primary treatment box 1, one end of a backflow water pipe 7 is communicated with the first water delivery pipe 12, the other end of the backflow water pipe 7 is communicated with the secondary treatment box 2, a high-pressure pump is arranged on the backflow water pipe 7, and the high-pressure pump can enable sewage to have certain pressure when entering the secondary treatment box 2; an inclined reverse osmosis membrane is arranged in the secondary treatment box 2, a concentrated water outlet is arranged on the secondary treatment box 2, and the secondary treatment box 2 is communicated with the first water delivery pipe 12 through a second water delivery pipe 13; the device comprises an aeration tank 8, a sedimentation tank 9 and a sludge pipe, wherein the sludge pipe comprises a sludge return pipe 10 and a sludge discharge pipe, one end of the sludge return pipe 10 is communicated with the side wall of the aeration tank 8, the other end of the sludge return pipe 10 is communicated with the sedimentation tank 9, a sludge discharge port is arranged on the sludge return pipe 10, and the sludge discharge port is connected with the sludge discharge pipe; a water inlet is formed in the aeration tank 8, the other end of the first water conveying pipe 12 is communicated with the aeration tank 8, the side wall of the aeration tank 8 is communicated with the side wall of the sedimentation tank 9 through a third water conveying pipe 14, the side wall of the aeration tank 8 is communicated with the bottom of the sedimentation tank 9 through a sludge pipe, and a sludge pump is connected to the sedimentation tank 9; the sludge pump is arranged to discharge the sediment in the sedimentation tank 9; the top of the aeration tank 8 is communicated with the first water conveying pipe 12 through a fifth water conveying pipe 16. Two water inlets are arranged at one end of the fifth water conveying pipe 16 communicated with the aeration tank 8. A part of wastewater enters the aeration tank 8 from the side wall of the aeration tank 8 through the first water conveying pipe 12 and the returned sludge, and the other part of wastewater enters the aeration tank 8 through the two water inlets of the fifth water conveying pipe 16, so that the variation range of the oxygen demand is reduced, and the relative amount of organic matters and microorganisms is changed; the device further comprises a disinfection treatment device, the disinfection treatment device comprises a disinfection box 11, and the disinfection box 11 is communicated with the sedimentation tank 9 through a fourth water delivery pipe 15; further, a dosing box or an ultraviolet disinfection device is arranged on the disinfection box 11.

In the working process, sewage enters the primary treatment box 1 through the wastewater inlet, salts such as calcium, magnesium and the like are converted into calcium carbonate and magnesium hydroxide to be precipitated by adding chemical agents into the primary treatment box 1, the commonly used agents comprise lime, lime-soda ash and the like, the treated sewage is subjected to water sample collection through the sampling device, the piston 5 is pulled through the pull rod 6, the pressure in the hollow cylinder 4 is lower than the pressure outside the hollow cylinder 4, therefore, the sewage can be sucked into the hollow cylinder 4, then the collected sewage is detected, if the hardness of the sewage reaches the standard, the sewage is input into the aeration tank 8 through the first water pipe 12 and the fifth water pipe 16, and organic matters in a dissolved or colloidal state in the sewage are decomposed and oxidized into stable inorganic substances by utilizing the metabolism function of microorganisms, sewage is purified, such as activated sludge, and the activated sludge is returned to the aeration tank through the sludge return pipe 10 to maintain the concentration of sludge in the aeration tank, and the remaining sludge is discharged through the sludge discharge pipe. Then, the sewage is separated from the sediment by the sedimentation tank 9, the sediment in the sedimentation tank 9 is discharged by the sludge pump, and then a chemical agent such as sodium hypochlorite is put into the sewage by the disinfection tank 11 through a dosing box to perform disinfection treatment. If the collected sewage is detected, and if the hardness of the sewage does not reach the standard, the sewage flows into the secondary treatment box 2 through the backflow water pipe 7 under the action of the high-pressure pump, so that the sewage flowing into the secondary treatment box 2 has certain pressure and can pass through the reverse osmosis membrane. Carry out the sewage sample earlier through sampling device, then continue to handle through sludge treatment device and disinfection processing apparatus to the sewage that hardness is up to standard, carry out retreatment to the sewage that does not up to standard to ensure sewage subsequent treatment's treatment effect.

The above disclosure is only for a few specific embodiments of the present invention, however, the present invention is not limited to the embodiments, and any changes that can be considered by those skilled in the art shall fall within the protection scope of the present invention.

Claims

1. A device for treating high-hardness sewage by a reverse osmosis membrane method is characterized by comprising a hardening treatment device;

the hardening treatment device comprises a primary treatment box (1) and a secondary treatment box (2), a wastewater inlet and a water suction pipe (3) are arranged on the primary treatment box (1), and a sampling device is detachably connected to the water suction pipe (3); the side walls of the primary treatment box (1) and the secondary treatment box (2) are communicated, one end of a first water conveying pipe (12) is communicated with the primary treatment box (1), and one end of a backflow water pipe (7) is communicated with the first water conveying pipe (12); the other end of the backflow water pipe (7) is communicated with the secondary treatment box (2), and a high-pressure pump is arranged on the backflow water pipe (7); an inclined reverse osmosis membrane is arranged in the secondary treatment box (2), a concentrated water outlet is arranged on the secondary treatment box (2), and the secondary treatment box (2) is communicated with the first water delivery pipe (12) through a second water delivery pipe (13);

sampling device includes empty section of thick bamboo (4), piston (5), pull rod (6), sliding connection has in empty section of thick bamboo (4) piston (5), piston (5) cover is established on pull rod (6), one side of empty section of thick bamboo (4) is equipped with the water inlet, the water inlet with the connection can be dismantled in tub (3) that absorbs water.

2. The apparatus for treating high hardness sewage by reverse osmosis membrane method according to claim 1, wherein the diameter of the water inlet is 3-5mm larger than that of the suction pipe (3), and the length of the pull rod (6) is 2-3cm larger than that of the empty cylinder (4).

3. The device for treating high-hardness sewage by using a reverse osmosis membrane method according to claim 1, further comprising a sludge treatment device, wherein the sludge treatment device comprises an aeration tank (8), a sedimentation tank (9) and a sludge pipe, a water inlet is formed in the aeration tank (8), the other end of the first water pipe (12) is communicated with the aeration tank (8), the side wall of the aeration tank (8) is communicated with the side wall of the sedimentation tank (9) through a third water pipe (14), the side wall of the aeration tank (8) is communicated with the bottom of the sedimentation tank (9) through the sludge pipe, and a sludge pump is connected to the sedimentation tank (9).

4. The apparatus for treating high hardness sewage by reverse osmosis membrane process according to claim 3, wherein the sludge pipe comprises a sludge return pipe (10) and a sludge discharge pipe, one end of the sludge return pipe (10) is communicated with the side wall of the aeration tank (8), the other end is communicated with the sedimentation tank (9), the sludge return pipe (10) is provided with a sludge discharge port, and the sludge discharge port is connected with the sludge discharge pipe.

5. An apparatus for treating high hardness sewage by a reverse osmosis membrane method according to claim 4, wherein the top of the aeration tank (8) and the first water delivery pipe are communicated through a fifth water delivery pipe (16).

6. An apparatus for treating high hardness sewage by a reverse osmosis membrane method according to claim 5, wherein two water inlets are provided at one end of the fifth water transport pipe (16) communicating with the aeration tank (8).

7. An apparatus for treating high hardness sewage by a reverse osmosis membrane method according to claim 3, further comprising a sterilization treatment apparatus comprising a sterilization tank (11), wherein the sterilization tank (11) is communicated with the sedimentation tank (9) through a fourth water delivery pipe (15).

8. An apparatus for treating high-hardness sewage by a reverse osmosis membrane method according to claim 7, wherein a dosing tank is provided on the sterilizing tank (11).