CN209957531U

CN209957531U - Device for precipitating and separating domestic sewage, grease and sundries

Info

Publication number: CN209957531U
Application number: CN201920754828.4U
Authority: CN
Inventors: 胡登培
Original assignee: Qualcomm Environmental Technology Co Ltd
Current assignee: Qualcomm Environmental Technology Co Ltd
Priority date: 2019-05-24
Filing date: 2019-05-24
Publication date: 2020-01-17
Anticipated expiration: 2029-05-24

Abstract

The utility model discloses a device for precipitation separation domestic sewage, grease and debris relates to the domestic sewage treatment field, the utility model discloses use filter chamber, drip chamber and the grease separation room that are independent each other to assemble into a holistic sewage treatment plant, the filter chamber is handled the large-scale debris in the sewage, and the drip chamber carries out precipitation separation with the small-size silt in the sewage, and grease separation room separation sewage normal water and grease not only can carry out preliminary treatment to impurity in the sewage betterly, and area is little, the laying and the use in the small-size place of being convenient for, and the utility model discloses can carry out classification filtering separation with aquatic impurity and handle.

Description

Device for precipitating and separating domestic sewage, grease and sundries

Technical Field

The utility model relates to a domestic sewage treatment field, in particular to a device for precipitation separation domestic sewage, grease and debris.

Background

At present, people pay attention to the treatment of sewage generated by domestic water, people have increasingly strengthened awareness of environmental protection, and the influence of water pollution on our lives is also seen. Before the pollutants and harmful substances in water are converted and separated through a chemical treatment method, domestic sewage generally needs to be physically treated, and large impurities in the water, such as impurities, grease and the like, are separated from the sewage.

The conventional sewage oil impurity separation device generally comprises a plurality of settling tanks and separation tanks, and although the conventional sewage oil impurity separation device can better separate impurities, oil and other larger impurities in sewage, the conventional sewage oil impurity separation device occupies a larger area and is difficult to install for daily life or small production units, and various different impurities in sewage cannot be separated.

Disclosure of Invention

The utility model aims to provide a: provides a device for precipitating and separating domestic sewage, grease and sundries, and solves the problems that the daily life or small-sized production units occupy larger area and various impurities in the sewage can not be separated.

The utility model adopts the technical scheme as follows:

a device for precipitating and separating domestic sewage, grease and sundries comprises a sundries filtering chamber, a settling chamber and a grease separating chamber, wherein the sundries filtering chamber, the settling chamber and the grease separating chamber form an integral filtering device, the sundries filtering chamber is arranged at the upper part of the filtering device, external sewage enters the sundries filtering chamber from a sewage inlet pipe at the upper end of the sundries filtering chamber, a filtering net is arranged at the bottom end of the sundries filtering chamber, the side surface of the filtering net close to the filtering device is provided with an opening which is communicated with an external impurity discharge pipe, a diversion trench is arranged below the filtering net, one side of the diversion trench is provided with an opening, the lower end of the opening is provided with the settling chamber, the bottom surface of the settling chamber is provided with a spherical crown type settling trench, the concave surface is arranged on the bottom surface of the settling trench, the other end of the valve A is connected with an external discharge pipe, the side surface of, the upper end of the side surface of the grease separation chamber is provided with a grease discharge pipe, a water pump A is arranged on the grease discharge pipe, the lower end of the grease discharge pipe of the grease separation chamber is provided with a filtered water outlet pipe, and a valve C is arranged on the filtered water outlet pipe.

The utility model discloses a theory of operation does: domestic sewage flows into a sundries filter chamber from a sewage inlet pipe, large impurities are screened out by a filter screen in the sundries filter chamber and then flow to a diversion trench below, the large impurities are discharged from an impurity discharge pipe, the diversion trench guides the sewage after primary screening to a settling chamber which flows to one side below, settling is carried out in the settling chamber, impurities such as small silt in the water are settled to a bottom settling tank of the settling chamber, after settling for a certain time, the water after settling and filtering in the settling chamber flows into a grease separation chamber through a pipeline where a valve B is positioned, a valve A at the bottom of the settling chamber is opened, the silt settled at the bottom of the settling chamber carries a small amount of sewage to flow into a drain pipe, the sewage after settling in the settling chamber is subjected to oil-water separation treatment in the grease separation chamber, and because the density of oil is lower than that of water, the oil can float above the sewage, so in the grease separation chamber, the grease layer is arranged above the water layer, the grease is pumped out from the grease discharge pipe through the water pump A on the grease discharge pipe on the upper layer of the grease separation chamber, and the water on the lower layer flows out from the filtered water outlet pipe, so that the primarily treated water without large impurities and grease is obtained. The utility model discloses a this kind of design can make whole device integration internal at a jar, and the filter chamber is handled the large-scale debris in the sewage, and the precipitation chamber carries out the sedimentation separation with the small-size silt in the sewage, and grease separating chamber separation sewage normal water and grease can carry out better preliminary treatment to sewage to area is less, and can be with various different impurity separations in the sewage.

Furthermore, the filter screen is an arc filter screen with an inclined angle, and is inclined towards the impurity discharge pipe. The inclined design of the filter screen can ensure that the filtered impurities can better flow into the impurity discharge pipe and can not be accumulated on the filter screen to block the screen opening.

Furthermore, the diversion trench is a solid baffle adapted to the inclination angle of the filter screen, and the lower end of the inclined plane is provided with a water flow hole A which can enable the sewage filtered by the impurity filtering chamber to flow to the settling chamber. The guiding gutter slope can be better with the sewage water conservancy diversion after the filtration to below drip chamber, and adapt to filter screen inclination and can make the better cooperation of guiding gutter and filter screen.

Furthermore, a water blocking baffle is arranged above the settling chamber, the water blocking baffle is lower than the bottom surface of the diversion trench, a water flow hole B for allowing water to flow to the settling chamber is formed in the water blocking baffle, and the water flow hole A and the water flow hole B are staggered. The water-blocking baffle can prevent the water in the settling chamber from overflowing back to the filtering chamber.

Furthermore, the grease discharge pipe is connected with the grease sewage collecting barrel behind the water pump, and the grease discharge pipe is connected with the upper end of the grease sewage collecting barrel. The grease sewage collecting barrel can store grease-containing sewage.

Furthermore, the lower end of the grease sewage collecting barrel connected with the grease discharge pipe is connected with a sewage circulating pipeline connected with a sewage inlet pipe, a water pump B is arranged on the sewage circulating pipeline, and the joint of the sewage circulating pipeline and the sewage inlet pipe is connected by a three-way valve. The sewage pumped out from the lower end of the grease sewage collecting bucket can be pumped into the sewage circulating pipeline through the water pump B, and then enters the sewage inlet pipe through the three-way valve for circulating treatment again, so that the water content in the grease sewage collecting bucket is reduced.

Furthermore, the valve connected at the joint of the three-way valve and the sewage circulating pipeline is a one-way valve and can only flow to the sewage inlet pipe from the sewage circulating pipeline. The valve that three-way valve and sewage circulating line are connected can make the water in the sewage inlet tube can not flow to sewage circulating line and then flow to grease sewage collecting vessel for the design of check valve, and only can follow sewage circulating line inflow sewage inlet tube.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model relates to a device for precipitation separation domestic sewage, grease and debris has solved to daily life or small-size production unit, the great problem of general sewage treatment plant area.

2. The utility model relates to a device for precipitation separation domestic sewage, grease and debris has solved traditional sewage precipitation separation device and can't be with the problem of the separation of various different impurity in the sewage.

Drawings

The invention will now be described, by way of example, with reference to the accompanying drawings, in which:

FIG. 1 is a block diagram of the present invention;

in the figure, 1-a sundries filtering chamber, 2-a settling chamber, 3-a grease separating chamber, 4-a sewage inlet pipe, 5-an impurity discharging pipe, 6-a sewage discharging pipe, 7-a grease discharging pipe, 8-a filtered water outlet pipe, 9-a grease sewage collecting barrel, 101-a filtering net, 102-a diversion trench, 201-a settling trench, 202-a valve A, 203-a valve B, 204-a water blocking baffle, 301-a water pump A, 302-a valve C, 901-a sewage circulating pipeline, 902-a water pump B and 903-a three-way valve.

Detailed Description

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.

The present invention will be described in detail with reference to fig. 1.

Example 1

A device for precipitating and separating domestic sewage, grease and sundries comprises a sundries filtering chamber 1, a precipitating chamber 2 and a grease separating chamber 3, wherein the sundries filtering chamber 1, the precipitating chamber 2 and the grease separating chamber 3 form a cylindrical filtering device with the diameter of 1m and the height of 1.2m, the sundries filtering chamber 1 is arranged at the upper part of the filtering device and is a cylinder with the diameter of 90cm and the height of 50cm, external sewage enters the sundries filtering chamber 1 from a sewage inlet pipe 4 at the upper end of the sundries filtering chamber 1, a filtering screen 101 is arranged at the bottom end of the sundries filtering chamber 1, an opening is arranged at the side surface of the filtering screen 101 close to the filtering device and is communicated with an external impurity discharge pipe 5, a diversion trench 102 is arranged 8cm below the filtering screen 101, a circular opening with the diameter of 10cm is arranged at one side of the diversion trench 102, the lower end of the opening is a semi-cylindrical precipitating chamber 2 with the diameter of 90, the top of the concave surface is 6cm away from the bottom surface of the settling chamber, the bottom surface of the settling tank 201 is provided with a valve A202 which can be opened and closed, the other end of the valve A202 is connected with an outward sewage discharge pipe 6, the side surface of the settling chamber 2 is far away from a semi-cylindrical grease separation chamber 3 with the diameter of 90cm and the height of 50cm on the side of the settling tank 201, the side surface of the settling chamber 2 is communicated with a pipeline, the pipeline is provided with a valve B203, the upper end of the side surface of the grease separation chamber 3 is provided with a grease discharge pipe 7, the grease discharge pipe 7 is provided with a water pump A301, the lower end of the grease.

The utility model discloses a theory of operation does: domestic sewage flows into a sundries filter chamber 1 from a sewage inlet pipe 4, large impurities are screened out by a filter screen 101 in the sundries filter chamber 1 and then flow to a guide groove 102 below, the large impurities are discharged from an impurity discharge pipe 5, the guide groove 102 guides the primarily screened sewage to a settling chamber 2 which flows to one side below, the sewage is settled in the settling chamber 2, impurities such as small silt in the water are settled in a settling tank 201 at the bottom of the settling chamber 2, after settling for a certain time, the water which is settled and filtered in the settling chamber 2 flows into a grease separation chamber 3 through a pipeline where a valve B203 is positioned, a valve A202 at the bottom of the settling chamber 2 is opened, the silt settled at the bottom of the settling chamber 2 carries a small amount of sewage to flow into a sewage discharge pipe 6, the sewage settled in the settling chamber 2 is subjected to oil-water separation treatment in the grease separation chamber 3, and because the density of oil is lower than that of water, the oil floats above the sewage, therefore, in the grease separation chamber 3, the grease layer is arranged above the water layer, the grease is pumped out from the grease discharge pipe 7 through the water pump A301 on the grease discharge pipe 7 at the upper layer of the grease separation chamber 3, and the water at the lower layer flows out from the filtered water outlet pipe 8, so that the primarily treated water without large impurities and grease is obtained. The utility model discloses a this kind of design can make whole device integration internal in a jar, and area is less to can be with various different impurity separation in the sewage.

Example 2

The present embodiment is different from embodiment 1 only in that the filter screen 101 is an arc-shaped filter screen having an inclined angle, and is inclined toward the impurity discharge pipe 5. The inclined design of the filter screen 101 can ensure that the filtered impurities can better flow into the impurity discharge pipe 5 and can not be accumulated on the filter screen 101 to block the screen opening.

Furthermore, the diversion trench 102 is a solid baffle adapted to the inclination angle of the filter screen 101, and the lower end of the inclination surface is provided with a water flow hole a for enabling the sewage filtered by the impurity filtering chamber 1 to flow to the settling chamber 2. The guiding gutter 102 inclines to better guide the filtered sewage to the lower settling chamber 2, and the guiding gutter 102 and the filter screen 101 can be better matched by adapting to the inclination angle of the filter screen 101.

Furthermore, a water blocking baffle 204 is arranged above the settling chamber 2, the water blocking baffle 204 is lower than the bottom surface of the guide groove 102, a water flow hole B with the diameter of 10cm is arranged on the water blocking baffle and can allow water to flow into the settling chamber 2, and the water flow hole A and the water flow hole B are staggered. Water blocking baffle 204 prevents water in settling chamber 2 from overflowing back into filtration chamber 1.

Example 3

The difference between the embodiment and the embodiment 1 is only that the grease discharging pipe 7 is connected with a grease sewage collecting barrel 9 with the diameter of 30cm and the height of 40cm behind the water pump 301, and the upper end of the grease discharging pipe 7 connected with the grease sewage collecting barrel 9 is 3cm away from the top cover. The grease sewage collecting barrel 9 can store grease-containing sewage.

Furthermore, the grease sewage collecting barrel 9 is connected with a sewage circulating pipeline 901 at a position 3cm away from the bottom surface of the lower end of the grease discharging pipe 7 to connect with the sewage inlet pipe 4, a water pump B902 is arranged on the sewage circulating pipeline 901, and the joint of the sewage circulating pipeline 901 and the sewage inlet pipe 4 is connected by using a three-way valve 903. The sewage pumped out from the lower end of the grease sewage collecting bucket 9 can be pumped into the sewage circulating pipeline 901 through the water pump B902, and enters the sewage inlet pipe 4 through the three-way valve 903 and then is subjected to circulating treatment again, so that the content of water in the grease sewage collecting bucket 9 is reduced.

Further, the valve connected to the joint of the three-way valve 903 and the sewage circulating pipeline 901 is a one-way valve, and can only flow from the sewage circulating pipeline 901 to the sewage inlet pipe. The valve that three-way valve 903 and sewage circulating line 901 are connected can make the water in sewage inlet tube 4 can not flow to sewage circulating line 901 and then flow to grease sewage collecting vessel 9 for the design of check valve, and only can flow into sewage inlet tube 4 from sewage circulating line 901, and the better circulation treatment of sewage in grease sewage collecting vessel 901 can be made to the backward flow of suppression sewage circulating line 901 normal water.

The above description is only for the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can be covered within the protection scope of the present invention without the changes or substitutions conceived by the inventive work within the technical scope disclosed by the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.

Claims

1. The utility model provides a device for precipitating separation domestic sewage, grease and debris, includes debris filter chamber (1), and precipitation chamber (2) and grease separation chamber (3) are constituteed, its characterized in that: the debris filter chamber (1), the sedimentation chamber (2) and the grease separation chamber (3) form an integral filter device, the debris filter chamber (1) is arranged at the upper part of the filter device, external sewage enters the debris filter chamber (1) from a sewage inlet pipe (4) at the upper end of the debris filter chamber (1), the bottom end of the debris filter chamber (1) is provided with a filter screen (101), the side surface of the filter screen (101) close to the filter device is provided with an opening which is communicated with an external impurity discharge pipe (5), a diversion trench (102) is arranged below the filter screen (101), one side of the diversion trench (102) is provided with an opening, the lower end of the opening is provided with the sedimentation chamber (2), the bottom surface of the sedimentation chamber (2) is provided with a spherical crown type sedimentation tank (201), the concave surface is arranged on the upper part, the bottom surface of the sedimentation tank (201) is provided with an openable valve A (202), the other end of the valve A (202) is connected with an outward drain pipe (6), the side surface, the pipeline is provided with a valve B (203), the upper end of the side surface of the grease separation chamber (3) is provided with a grease discharge pipe (7), the grease discharge pipe (7) is provided with a water pump A (301), the lower end of the grease discharge pipe (7) of the grease separation chamber (3) is provided with a filtered water outlet pipe (8), and the filtered water outlet pipe is provided with a valve C (302).

2. The apparatus for separating and settling domestic sewage, grease and impurities according to claim 1, wherein: the filter screen (101) is an arc filter screen with an inclined angle and inclines towards the impurity discharge pipe (5).

3. The apparatus for separating and settling domestic sewage, grease and impurities according to claim 2, wherein: the diversion trench (102) is a solid baffle plate which is suitable for the inclination angle of the filter screen (101), and the lower end of the inclination surface is provided with a water flow hole A which can lead the sewage filtered by the sundries filter chamber (1) to flow to the settling chamber (2).

4. The apparatus for separating and settling domestic sewage, grease and impurities according to claim 3, wherein: a water blocking baffle (204) is arranged above the settling chamber (2), the water blocking baffle (204) is lower than the bottom surface of the guide groove (102), a water flow hole B which can allow water to flow to the settling chamber (2) is formed in the water blocking baffle, and the water flow hole A and the water flow hole B are staggered.

5. The apparatus for separating and settling domestic sewage, grease and impurities according to claim 1, wherein: the grease discharge pipe (7) is connected with the grease sewage collecting barrel (9) behind the water pump A (301), and the grease discharge pipe (7) is connected with the upper end of the grease sewage collecting barrel (9).

6. The apparatus for separating and settling domestic sewage, grease and impurities according to claim 5, wherein: the grease sewage collecting barrel (9) is connected with a sewage circulating pipeline (901) at the lower end of the grease discharge pipe (7) to be connected with the sewage inlet pipe (4), a water pump B (902) is arranged on the sewage circulating pipeline (901), and the joint of the sewage circulating pipeline (901) and the sewage inlet pipe (4) is connected by a three-way valve (903).

7. The apparatus for separating and settling domestic sewage, grease and impurities according to claim 1, wherein: the valve connected with the joint of the three-way valve (903) and the sewage circulating pipeline (901) is a one-way valve and can only flow to the sewage inlet pipe from the sewage circulating pipeline (901).