CN211595270U

CN211595270U - Sewage treatment device for domestic wastewater

Info

Publication number: CN211595270U
Application number: CN201922126897.3U
Authority: CN
Inventors: 高贞; 吕倩倩; 张明辉; 刘震
Original assignee: Shandong Province Water Conservancy Bureau Co ltd
Current assignee: Shandong Province Water Conservancy Bureau Co ltd
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2020-09-29
Anticipated expiration: 2029-11-29

Abstract

The utility model discloses a sewage treatment device for domestic wastewater, which comprises a base, wherein a purification water tank, a disinfection water tank and a storage box are sequentially arranged on the base, a water inlet is arranged at the top of the purification water tank, a filtering screen plate, a second active carbon filter plate and a first active carbon filter plate are sequentially and fixedly arranged on the inner wall of the purification water tank from top to bottom, and the purification water tank is connected with the disinfection water tank; the disinfection water tank is internally provided with a stirring assembly for accelerating sewage disinfection, the top of the disinfection water tank is provided with a medicine adding port and a water inlet, the bottom of the disinfection water tank is provided with a water outlet, the water outlet is fixedly connected with a second water pipe, the other end of the second water pipe is fixedly connected with the storage box, and the second water pipe is provided with a second water pump. The sewage treatment effect is improved, and the water resource is greatly saved.

Description

Sewage treatment device for domestic wastewater

Technical Field

The utility model relates to a sewage treatment field specifically is a sewage treatment plant of domestic waste water.

Background

Sewage treatment refers to a process in which sewage is purified to meet the water quality requirements for drainage or reuse. The sewage treatment is generally classified into production sewage treatment and domestic sewage treatment according to the classification of sewage sources.

The existing domestic sewage treatment device usually comprises a lower water tank with a filter screen, domestic sewage is poured into the lower water tank with the filter screen, a filter channel is easy to block, filter residues in the filter screen need to be cleaned frequently, and water resources are wasted.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sewage treatment plant of domestic waste water to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a sewage treatment device for domestic wastewater comprises a base, wherein a purified water tank, a disinfection water tank and a storage tank are sequentially arranged on the base, a water inlet is formed in the top of the purified water tank, a filtering screen plate, a second activated carbon filter plate and a first activated carbon filter plate are sequentially and fixedly mounted on the inner wall of the purified water tank from top to bottom, a first water pump is mounted at the bottom of the purified water tank, the output end of the first water pump is connected with a first water pipe, and the other end of the first water pipe is connected with the disinfection water tank; the utility model discloses a disinfection water tank, including disinfection water tank, be provided with in the disinfection water tank and be used for accelerating sewage disinfection's stirring subassembly, stirring subassembly includes pivot and stirring vane, and stirring vane fixed mounting is in the pivot, and pivot one end is connected with the motor, and motor fixed mounting is at disinfection water tank top, disinfection water tank has seted up at the top and has added medicine mouth and water inlet, water inlet and first water pipe fixed connection, and the delivery port has been seted up to disinfection water tank bottom, and delivery port fixedly connected with second water pipe, the second water pipe other end and bin fixed connection, be provided with the second water pump on the second water pipe.

As a further aspect of the present invention: the disinfection water tank comprises a top plate and a tank body, the top plate and the tank body are fixedly connected through bolts, a baffle plate which is funnel-shaped is arranged on the inner wall of the tank body, a filter screen is arranged in the baffle plate discharging opening, and the baffle plate is located below the stirring assembly.

As a further aspect of the present invention: the disinfection water tank is internally provided with a centrifugal filtering device, the centrifugal filtering component is positioned below the filtering net and comprises a mounting plate, balls and a centrifugal filtering component, the centrifugal filtering component is fixedly mounted on the mounting plate, and the mounting plate is fixedly connected with a rotating shaft and two sides of the mounting plate are connected with the inner wall of the disinfection water tank in a sliding mode through the balls.

As a further aspect of the present invention: a liquid level sensor is arranged in the purified water tank and is positioned below the first activated carbon filter plate.

As a further aspect of the present invention: be provided with two-layer filtration half tone in the purified water tank, be located the upper filtration half tone of top and be located the lower filtration half tone of below respectively, filter half tone fixed mounting down in purified water tank, and filter half tone top fixed mounting down has the gyro wheel, go up and filter half tone and slide and place on the gyro wheel, and go up the purified water tank lateral wall that filters half tone one side and offer the through-hole that is used for changing the upper filtration half tone, be provided with detachable leak protection baffle in the through-hole.

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

primarily purifying the sewage by arranging a filter screen plate, a second activated carbon filter plate and a first activated carbon filter plate in the purifying water tank; the sewage is disinfected by the stirring component of the disinfection water tank, the disinfected water is subjected to centrifugal filtration, the sewage treatment effect is further improved, and the disinfected water enters the storage tank 24 for storage, so that the water resource is greatly saved.

Drawings

FIG. 1 is a schematic view showing a structure of a sewage treatment apparatus for domestic wastewater.

FIG. 2 is a schematic view showing a structure of a sterilizing water tank in a sewage treatment apparatus for domestic wastewater.

FIG. 3 is an enlarged view of a portion A of a sewage treatment apparatus for domestic wastewater.

FIG. 4 is an enlarged view of a portion B of the sewage treatment apparatus for domestic wastewater.

FIG. 5 is a modified view of a purified water tank in a sewage treatment apparatus for domestic wastewater.

In the figure: 1-a base, 2-a purified water tank, 3-a first activated carbon filter plate, 4-a second activated carbon filter plate, 5-a filter screen plate, 501-a roller, 502-an upper filter screen plate, 503-a lower filter screen plate, 6-a water inlet, 7-a first water pump, 8-a control valve, 9-a first water pipe, 10-a motor, 11-a medicine adding port and 12-a water inlet, 13-a disinfection water tank, 1301-a top plate, 1302-a box body, 14-a baffle, 15-a centrifugal filter, 16-a mounting plate, 17-a supporting block, 18-a ball, 19-a filter screen, 20-a rotating shaft, 21-a stirring blade, 22-a second water pump, 23-a second water pipe, 24-a storage box and 25-a liquid level sensor.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1 to 4, in the embodiment of the present invention, a sewage treatment device for domestic wastewater includes a base 1, a purified water tank 2, a disinfection water tank 13 and a storage tank 24 are sequentially disposed on the base 1, a water inlet 6 is disposed at the top of the purified water tank 2, a filtering screen 5, a second activated carbon filter plate 4 and a first activated carbon filter plate 3 are sequentially and fixedly mounted on the inner wall of the purified water tank 2 from top to bottom, a first water pump 7 is mounted at the bottom of the purified water tank 2, an output end of the first water pump 7 is connected with a first water pipe 9, and the other end of the first water pipe 9 is connected with the disinfection water tank 13; be provided with in the disinfection water tank 13 and be used for accelerating the sterile stirring subassembly of sewage, the specific type of stirring subassembly does not add the restriction, and in this embodiment, preferred, the stirring subassembly includes pivot 20 and stirring vane 21, and stirring vane 21 fixed mounting is on

pivot

20, and 20 one ends of pivot are connected with

motor

10, and 10 fixed mounting of motor are at disinfection water tank 13 top, disinfection water tank 13 top has been seted up with medicine mouth 11 and water inlet 12, water inlet 12 and first water pipe 9 fixed connection, and the delivery port has been seted up to disinfection water tank 13 bottom, delivery port fixedly connected with second water pipe 23, the second water pipe 23 other end and bin 24 fixed connection, be provided with second water pump 22 on the second water pipe 23. Pour domestic waste water into purified water tank 2 from water inlet 6, filter screen 5 and filter the large-scale rubbish in the sewage, carry out abundant purification treatment through second active carbon filter 4 and first active carbon filter 3 again, sewage after the processing is by first water pipe 9 entering disinfection water tank 13, from adding medicine mouth 11 to adding the disinfection medicine in the disinfection water tank 13, starter motor 10, carry out the intensive mixing through stirring subassembly sewage and medicine, water after the disinfection is stored by second water pipe 22 entering bin 24.

In order to prevent impurities generated after mixing of sewage and medicines in the disinfection water tank 13 from blocking the second water pipe 22, the disinfection water tank 13 comprises a top plate 1301 and a box body 1302, the top plate 1301 and the box body 1302 are fixedly connected through bolts, a funnel-shaped baffle 14 is arranged on the inner wall of the box body 1302, a filter screen 19 is arranged in a discharge opening of the baffle 14, and the baffle 14 is located below the stirring assembly. By detachably connecting the top plate 1301 and the box 1302, the filter screen 19 can be cleaned regularly to prevent clogging.

In order to improve the sewage treatment effect, be provided with centrifugal filter in disinfection tank 13, centrifugal filter assembly is located filter screen 19 below, the specific type of centrifugal filter assembly does not add the restriction, and in this embodiment, preferably, centrifugal filter assembly includes mounting panel 16, ball 18 and centrifugal filter assembly, and centrifugal filter assembly fixed mounting is on mounting panel 16, and mounting panel 16 passes through ball 18 and disinfection tank 13 inner wall sliding connection with pivot 20 fixed connection and mounting panel 16 both sides.

In order to prevent excessive sewage in the purified water tank 2, a liquid level sensor 25 is arranged in the purified water tank 2, and the liquid level sensor 25 is positioned below the first activated carbon filter plate 3.

The utility model discloses a theory of operation is:

pour domestic wastewater into purified water tank 2 from water inlet 6, filter screen 5 and filter the large-scale rubbish in the sewage, carry out abundant purification treatment through second active carbon filter 4 and first active carbon filter 3 again, sewage after the processing is by first water pipe 9 entering disinfection water tank 13, add the disinfection medicine from adding medicine mouth 11 to disinfection water tank 13 in, starter motor 10, carry out the intensive mixing to sewage and medicine through stirring the subassembly, the water after the mixture gets into centrifugal filter assembly, under the drive of pivot 20, centrifugal filter assembly carries out centrifugal filter to water, water after the disinfection is stored by second water pipe 22 entering bin 24.

Example 2

Considering that there may be many solid wastes in the domestic wastewater, and the filtering of the wastewater for a long time may cause the blocking of the filtering screen 5, this embodiment is further improved on the basis of embodiment 1, and the improvement lies in: two layers of filtering screen plates 5 are arranged in the water purifying tank 2, the two layers of filtering screen plates are respectively an upper filtering screen plate 502 positioned above and a lower filtering screen plate 503 positioned below, the lower filtering screen plate 503 is fixedly arranged in the water purifying tank 2, a roller 501 is fixedly arranged above the lower filtering screen plate 503, the upper filtering screen plate 502 is slidably arranged on the roller 501, a through hole for replacing the upper filtering screen plate 502 is formed in the side wall of the water purifying tank 2 on one side of the upper filtering screen plate 502, and a detachable leakage-proof baffle is arranged in the through hole.

By providing the upper filtering screen 502 which can be taken out, the upper filtering screen 502 can be taken out and cleaned regularly, and clogging can be prevented.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A sewage treatment device for domestic wastewater comprises a base (1) and is characterized in that a purification water tank (2), a disinfection water tank (13) and a storage tank (24) are sequentially arranged on the base (1), a water inlet (6) is formed in the top of the purification water tank (2), a filtering screen (5), a second active carbon filter plate (4) and a first active carbon filter plate (3) are sequentially and fixedly installed on the inner wall of the purification water tank (2) from top to bottom, a first water pump (7) is installed at the bottom of the purification water tank (2), the output end of the first water pump (7) is connected with a first water pipe (9), and the other end of the first water pipe (9) is connected with the disinfection water tank (13); be provided with in disinfection water tank (13) and be used for accelerating sterile stirring subassembly of sewage, the stirring subassembly includes pivot (20) and stirring vane (21), and stirring vane (21) fixed mounting is on pivot (20), and pivot (20) one end is connected with motor (10), and motor (10) fixed mounting is at disinfection water tank (13) top, add medicine mouth (11) and water inlet (12) have been seted up at disinfection water tank (13) top, water inlet (12) and first water pipe (9) fixed connection, the delivery port has been seted up to disinfection water tank (13) bottom, delivery port fixedly connected with second water pipe (23), the second water pipe (23) other end and bin (24) fixed connection, be provided with second water pump (22) on second water pipe (23).

2. The sewage treatment device of domestic wastewater according to claim 1, wherein said disinfection tank (13) comprises a top plate (1301) and a box body (1302), said top plate (1301) and said box body (1302) are fixedly connected by bolts, a funnel-shaped baffle (14) is disposed on the inner wall of said box body (1302), a filter screen (19) is disposed in the feed opening of said baffle (14), and said baffle (14) is located below the stirring assembly.

3. The sewage treatment device of domestic wastewater according to claim 2, wherein a centrifugal filter device is disposed in the disinfection tank (13), the centrifugal filter assembly is disposed below the filter screen (19), the centrifugal filter assembly comprises a mounting plate (16), balls (18) and a centrifugal filter assembly, the centrifugal filter assembly is fixedly mounted on the mounting plate (16), the mounting plate (16) is fixedly connected with the rotating shaft (20), and two sides of the mounting plate (16) are slidably connected with the inner wall of the disinfection tank (13) through the balls (18).

4. The sewage treatment apparatus of domestic wastewater according to claim 1, wherein a liquid level sensor (25) is disposed in said purified water tank (2), and said liquid level sensor (25) is located below said first activated carbon filter plate (3).

5. The sewage treatment device of domestic wastewater according to claim 1, wherein two layers of filtering screens (5) are disposed in the water purification tank (2), respectively comprising an upper filtering screen (502) disposed above and a lower filtering screen (503) disposed below, the lower filtering screen (503) is fixedly disposed in the water purification tank (2), a roller (501) is fixedly disposed above the lower filtering screen (503), the upper filtering screen (502) is slidably disposed on the roller (501), a through hole for replacing the upper filtering screen (502) is disposed on a sidewall of the water purification tank (2) on one side of the upper filtering screen (502), and a detachable leakage-proof baffle is disposed in the through hole.