CN221759619U - Coal mine low concentration domestic sewage purification and recovery device - Google Patents

Abstract

The utility model discloses a coal mine low-concentration domestic sewage purification and recovery device, comprising a base, a first water pump, an air pump, a mounting frame and a cleaning mechanism for pre-treating sewage fixedly mounted on the top surface of the base, a pumping pipe connected to the output end of the first water pump, a cleaning mechanism comprising a raw water tank fixedly mounted on the top surface of the base, movable grooves on both sides of the raw water tank, a screw rod movably mounted inside the movable groove, and a driving motor fixedly mounted on both sides of the top surface of the raw water tank. The utility model relates to the technical field of coal mine domestic sewage purification. The coal mine low-concentration domestic sewage purification and recovery device facilitates the cleaning of filtered debris through the provided movable frame, and when cleaning, the driving motor is started to drive the screw rod to drive the movable frame to rise through the movable block, and then the baffle is pulled out from the inside of the notch, and then the interception filter screen and the second groove can be pulled out for cleaning, thereby improving the efficiency of sewage treatment.

Description

Coal mine low concentration domestic sewage purification and recovery device

Technical Field

The utility model relates to the technical field of coal mine domestic sewage purification, in particular to a coal mine low-concentration domestic sewage purification and recovery device.

Background Art

Coal mine domestic sewage mainly comes from the living areas of coal mine industrial sites, and these wastewaters need to be treated first to remove pollutants in the domestic sewage or convert them into harmless or low-harm substances so that the treated water can meet the standards for reuse or discharge.

Chinese patent CN209143867U discloses a high-efficiency coal mine filtering and purification device, including a first purification component and a second purification component, the second purification component is arranged on one side of the first purification component, a shunt pipe is arranged between the first purification component and the second purification component, the shunt pipe is provided with a first valve and a second valve, the first purification component and the second purification component both include a casing, a high-pressure fan is fixedly arranged on the side of the casing, an air supply pipe is arranged on the high-pressure fan, the air supply pipe runs through the side wall of the casing and extends to the inside of the casing, and a lower stainless steel net is fixedly arranged inside the casing. The utility model makes the first purification component and the second purification component cooperate with the high-pressure fan, thereby speeding up the coal mine filtering and purification speed while reducing the equipment downtime, thereby effectively improving the recovery and purification efficiency, increasing the sewage treatment capacity, and having a reasonable design and high practicality.

Based on the above-mentioned prior art, the existing coal mine low-concentration domestic sewage purification and recovery device still has the following problems: the device is not convenient for cleaning the filtered debris and replacing the internal filter plate, which reduces the sewage treatment efficiency and has general practicality.

Summary of the invention

In view of the deficiencies in the prior art, the utility model provides a low-concentration domestic sewage purification and recovery device for coal mines, which solves the problems that the existing low-concentration domestic sewage purification and recovery devices for coal mines are inconvenient to clean up the filtered debris, inconvenient to replace the internal filter plates, thus reducing the sewage treatment efficiency and having general practicality.

To achieve the above objectives, the utility model is implemented through the following technical solutions: a low-concentration domestic sewage purification and recovery device for coal mines, comprising a base, a first water pump, an air pump, a mounting frame and a cleaning mechanism for pre-treating sewage are fixedly installed on the top surface of the base, the output end of the first water pump is connected to a pumping pipe, the cleaning mechanism comprises a raw water tank fixedly installed on the top surface of the base, movable grooves are provided on the left and right sides of the raw water tank, a screw is movably installed inside the movable groove, a driving motor is fixedly installed on both sides of the top surface of the raw water tank, a movable frame is movably installed inside the raw water tank, a first groove and a second groove are provided on both sides of the inner cavity of the movable frame, an intercepting filter and an activated carbon filter are movably installed inside the movable frame, movable blocks are fixedly installed on both sides of the movable frame, a notch is provided on the top surface of the movable frame, and a baffle is movably installed inside the notch.

Preferably, one side of the movable block is slidably mounted inside the movable groove, the top end of the screw rod movably passes through the inside of the movable groove and is fixedly mounted on the output end of the driving motor, and the bottom end of the screw rod threadably passes through the top surface of the movable block and is movably mounted on the bottom surface of the movable groove.

Preferably, one end of the water suction pipe passes through the right side of the raw water tank and extends to the interior of the raw water tank, the bottom end of the notch passes through the interior of the first groove and the second groove and extends to the bottom surface of the second groove, both sides of the intercepting filter are tightly attached to the interior of the first groove, and both sides of the activated carbon filter are tightly attached to the interior of the second groove, and the front ends of the first groove and the second groove both pass through the interior of the movable frame and extend to the outside of the movable frame.

Preferably, the output end of the first water pump is connected to a water pipe, a first liquid flow meter is fixedly installed in the middle of the water pipe, the output end of the air pump is connected to an air pipe, a gas flow meter is fixedly installed in the middle of the air pipe, a water collecting tank, a second water pump and a membrane bioreactor are fixedly installed on the top surface of the mounting frame, the input end of the second water pump is connected to a connecting pipe, the output end of the second water pump is connected to a water supply pipe, a second liquid flow meter is fixedly installed in the middle of the water supply pipe, and the right side of the water collecting tank is connected to a drain valve.

Preferably, one end of the water pipe and the air pipe both pass through the bottom surface of the mounting frame and are fixedly mounted at the input end of the membrane bioreactor.

Preferably, one end of the connecting pipe is fixedly mounted on the output end of the membrane bioreactor, and one end of the water supply pipe passes through the top surface of the water collecting tank and extends to the interior of the water collecting tank.

Beneficial Effects

The utility model provides a coal mine low-concentration domestic sewage purification and recovery device. Compared with the prior art, it has the following beneficial effects:

(1) The low-concentration domestic sewage purification and recovery device of the coal mine is convenient for cleaning the filtered debris by setting a movable frame. When cleaning, the driving motor is started to drive the screw to drive the movable frame to rise through the movable block. At this time, the baffle is pulled out from the inside of the groove, and then the intercepting filter and the second groove can be pulled out for cleaning, thereby improving the efficiency of sewage treatment.

(2) The low-concentration domestic sewage purification and recovery device of the coal mine can calculate the sewage flow rate flowing into the membrane bioreactor through the first liquid flow meter. When in use, the first water pump is started to suck out the sewage inside the cleaning mechanism through the suction pipe, and then the sewage is transported to the inside of the membrane bioreactor through the water pipe for purification. When the sewage flows into the membrane bioreactor through the water pipe, the first liquid flow meter will calculate the sewage flow rate flowing through the water pipe, so as to better control and adjust the parameters in the purification process. At the same time, it can be judged whether the working status of the equipment is normal through the changes in flow data in different time periods.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic diagram of the three-dimensional appearance of the utility model;

FIG2 is a front cross-sectional perspective view of the cleaning mechanism of the present invention;

FIG. 3 is a schematic diagram of a three-dimensional appearance of a cleaning mechanism of the present invention in a top view.

In the figure: 1-base, 2-cleaning mechanism, 21-raw water tank, 22-movable block, 23-first groove, 24-intercepting filter, 25-second groove, 26-activated carbon filter, 27-movable frame, 28-screw, 29-drive motor, 210-movable groove, 211-baffle, 212-notch, 3-first water pump, 4-water pump, 5-air pump, 6-air pipe, 7-water pipe, 8-gas flow meter, 9-first liquid flow meter, 10-drain valve, 11-water collecting tank, 12-second water pump, 13-water pipe, 14-second liquid flow meter, 15-connecting pipe, 16-membrane bioreactor, 17-mounting frame.

DETAILED DESCRIPTION

The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

The utility model provides two technical solutions:

Figures 1 to 3 show a first embodiment: a low-concentration domestic sewage purification and recovery device for coal mines, comprising a base 1, a first water pump 3, an air pump 5, a mounting frame 17 and a cleaning mechanism 2 for pre-treating sewage are fixedly installed on the top surface of the base 1, an output end of the first water pump 3 is connected to a pumping pipe 4, the cleaning mechanism 2 comprises a raw water tank 21 fixedly installed on the top surface of the base 1, movable grooves 210 are provided on both sides of the raw water tank 21, a screw 28 is movably installed inside the movable groove 210, and a driving motor is fixedly installed on both sides of the top surface of the raw water tank 21 29. A movable frame 27 is movably installed inside the raw water tank 21. A first groove 23 and a second groove 25 are provided on both sides of the inner cavity of the movable frame 27. An interception filter 24 and an activated carbon filter 26 are movably installed inside the movable frame 27. A movable block 22 is fixedly installed on both sides of the movable frame 27. A notch 212 is provided on the top surface of the movable frame 27. A baffle 211 is movably installed inside the notch 212. One side of the movable block 22 is slidably installed inside the movable groove 210, and the movable block 22 will limit the lifting trajectory of the movable frame 27 through the movable groove 210. The top end of the screw rod 28 movably penetrates the interior of the movable groove 210 and is fixedly installed at the output end of the driving motor 29. The bottom end of the screw rod 28 is threadedly penetrated through the top surface of the movable block 22 and is movably installed on the bottom surface of the movable groove 210. The screw rod 28 can drive the movable frame 27 to rise and fall through the movable block 22. One end of the pumping pipe 4 penetrates the right side of the raw water tank 21 and extends to the interior of the raw water tank 21. The pre-treated sewage can be pumped out through the pumping pipe 4 for the next process. The bottom end of the notch 212 penetrates the interior of the first groove 23 and the second groove 25 and It extends to the bottom surface of the second groove 25, and the baffle 211 can limit the positions of the intercepting filter 24 and the activated carbon filter 26 through the notch 212, the two sides of the intercepting filter 24 are tightly attached to the inside of the first groove 23, and the activated carbon filter 26 can be pulled out for cleaning through the second groove 25, the two sides of the activated carbon filter 26 are tightly attached to the inside of the second groove 25, the front ends of the first groove 23 and the second groove 25 both pass through the inside of the movable frame 27 and extend to the outside of the movable frame 27, and the intercepting filter 24 can be pulled out for cleaning through the first groove 23.

The movable frame 27 is provided to facilitate cleaning of the filtered debris. When cleaning, the driving motor 29 is started to drive the screw 28 to drive the movable frame 27 to rise through the movable block 22. At this time, the baffle 211 is pulled out from the inside of the slot 212, and then the intercepting filter 24 and the second groove 25 can be pulled out for cleaning, thereby improving the efficiency of sewage treatment.

FIG1 shows a second embodiment, which is mainly different from the first embodiment in that: the output end of the first water pump 3 is connected to a water pipe 7, a first liquid flow meter 9 is fixedly installed in the middle of the water pipe 7, and the flow rate of sewage flowing into the connecting pipe 15 can be detected by the first liquid flow meter 9, the output end of the air pump 5 is connected to an air pipe 6, a gas flow meter 8 is fixedly installed in the middle of the air pipe 6, and the air flow rate injected into the membrane bioreactor 16 through the air pipe 6 is detected by the gas flow meter 8, the top surface of the mounting frame 17 is fixedly installed with a water collecting tank 11, a second water pump 12 and a membrane bioreactor 16, the input end of the second water pump 12 is connected to the connecting pipe 15, and the second water pump 12 is connected to the connecting pipe 15. The output end is connected to a water supply pipe 13, and a second liquid flow meter 14 is fixedly installed in the middle of the water supply pipe 13. The flow rate of water flowing into the water collecting tank 11 can be detected by the second liquid flow meter 14. The right side of the water collecting tank 11 is connected to a drain valve 10. One end of the water supply pipe 7 and the air pipe 6 both pass through the bottom surface of the mounting frame 17 and are fixedly installed at the input end of the membrane bioreactor 16. The air pump 5 can supply air to the membrane bioreactor 16 through the air pipe 6 to provide it with sufficient dissolved oxygen to promote the growth and metabolism of oxygen microorganisms. One end of the connecting pipe 15 is fixedly installed at the output end of the membrane bioreactor 16. One end of the water supply pipe 13 passes through the top surface of the water collecting tank 11 and extends to the interior of the water collecting tank 11.

The first liquid flowmeter 9 can be used to calculate the sewage flow rate flowing into the membrane bioreactor 16. When in use, the first water pump 3 is started to suck out the sewage inside the cleaning mechanism 2 through the suction pipe 4, and then the sewage is transported to the inside of the membrane bioreactor 16 through the water pipe 7 for purification. When the sewage flows into the membrane bioreactor 16 through the water pipe 7, the first liquid flowmeter 9 will calculate the sewage flow rate flowing through the water pipe 7, so as to better control and adjust the parameters in the purification process. At the same time, it can be judged whether the equipment working state is normal through the changes in flow data in different time periods.

Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art, and the model parameters of each electrical appliance are not specifically limited, and conventional equipment can be used.

When in use, the user connects the device to electricity and then pours the sewage into the raw water tank 21. At this time, the sewage will be filtered through the interception filter 24 and the activated carbon filter 26. The first water pump 3 is started to suck out the sewage inside the cleaning mechanism 2 through the suction pipe 4, and then it is transported to the inside of the membrane bioreactor 16 through the water pipe 7 for purification. Then the air pump 5 is started to supply oxygen to the membrane bioreactor 16 through the air pipe 6 to promote the growth and metabolism of oxygen microorganisms. Then the second water pump 12 is started to suck out the purified sewage from the inside of the membrane bioreactor 16 through the connecting pipe 15, and then it is discharged into the water collecting tank 11 through the water supply pipe 13 for storage. When it is needed, the drain valve 10 can be opened to release the purified sewage. When it is necessary to clean the filtered debris, the drive motor 29 is started to drive the screw 28 to drive the movable frame 27 to rise through the movable block 22. At this time, the baffle 211 is pulled out from the inside of the slot 212, and then the interception filter 24 and the second groove 25 can be pulled out for cleaning.

It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include"-"comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process-method-article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process-method-article or device.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. A coal mine low-concentration domestic sewage purification and recovery device, comprising a base (1), characterized in that: a first water pump (3), an air pump (5), a mounting frame (17) and a cleaning mechanism (2) for pre-treating sewage are fixedly mounted on the top surface of the base (1), and the output end of the first water pump (3) is connected to a pumping pipe (4); The cleaning mechanism (2) comprises a raw water tank (21) fixedly mounted on the top surface of the base (1); movable grooves (210) are provided on both left and right sides of the raw water tank (21); a screw (28) is movably mounted inside the movable grooves (210); a driving motor (29) is fixedly mounted on both sides of the top surface of the raw water tank (21); a movable frame (27) is movably mounted inside the raw water tank (21); a first groove (23) and a second groove (25) are provided on both sides of the inner cavity of the movable frame (27); an interception filter (24) and an activated carbon filter (26) are movably mounted inside the movable frame (27); movable blocks (22) are fixedly mounted on both sides of the movable frame (27); a notch (212) is provided on the top surface of the movable frame (27); a baffle (211) is movably mounted inside the notch (212). 2. The coal mine low-concentration domestic sewage purification and recovery device according to claim 1 is characterized in that: one side of the movable block (22) is slidably installed inside the movable groove (210), the top end of the screw rod (28) movably penetrates the inside of the movable groove (210) and is fixedly installed on the output end of the drive motor (29), and the bottom end of the screw rod (28) is threadedly penetrated through the top surface of the movable block (22) and is movably installed on the bottom surface of the movable groove (210). 3. The coal mine low-concentration domestic sewage purification and recovery device according to claim 1 is characterized in that: one end of the pumping pipe (4) passes through the right side of the raw water tank (21) and extends to the inside of the raw water tank (21), the bottom end of the notch (212) passes through the inside of the first groove (23) and the second groove (25) and extends to the bottom surface of the second groove (25), both sides of the intercepting filter (24) are tightly attached to the inside of the first groove (23), both sides of the activated carbon filter (26) are tightly attached to the inside of the second groove (25), and the front ends of the first groove (23) and the second groove (25) both pass through the inside of the movable frame (27) and extend to the outside of the movable frame (27). 4. The coal mine low-concentration domestic sewage purification and recovery device according to claim 1 is characterized in that: the output end of the first water pump (3) is connected to a water pipe (7), a first liquid flow meter (9) is fixedly installed in the middle of the water pipe (7), the output end of the air pump (5) is connected to an air pipe (6), a gas flow meter (8) is fixedly installed in the middle of the air pipe (6), a water collecting tank (11), a second water pump (12) and a membrane bioreactor (16) are fixedly installed on the top surface of the mounting frame (17), the input end of the second water pump (12) is connected to a connecting pipe (15), the output end of the second water pump (12) is connected to a water supply pipe (13), a second liquid flow meter (14) is fixedly installed in the middle of the water supply pipe (13), and the right side of the water collecting tank (11) is connected to a drain valve (10). 5. The coal mine low-concentration domestic sewage purification and recovery device according to claim 4 is characterized in that one end of the water pipe (7) and the air pipe (6) both pass through the bottom surface of the mounting frame (17) and are fixedly mounted on the input end of the membrane bioreactor (16). 6. The coal mine low-concentration domestic sewage purification and recovery device according to claim 4 is characterized in that one end of the connecting pipe (15) is fixedly installed at the output end of the membrane bioreactor (16), and one end of the water supply pipe (13) passes through the top surface of the water collecting tank (11) and extends to the inside of the water collecting tank (11).