CN210974033U

CN210974033U - Solid-liquid settling separation device for sewage treatment

Info

Publication number: CN210974033U
Application number: CN201922037201.XU
Authority: CN
Inventors: 孙健时
Original assignee: Heilongjiang University of Science and Technology
Current assignee: Heilongjiang University of Science and Technology
Priority date: 2019-11-22
Filing date: 2019-11-22
Publication date: 2020-07-10
Anticipated expiration: 2029-11-22

Abstract

The utility model discloses a sewage treatment's solid-liquid sedimentation separator, including subsiding the case, first subsidence chamber and second subside chamber are separated into to the division board, cup joint the inlet tube on the first subsidence chamber lateral wall, and inlet tube department installation buffer gear, second subside chamber department open and have the delivery port, first subside intracavity wall top installation first baffle, second subside intracavity wall top installation second baffle, and the second between division board and the second baffle subsides chamber both sides wall mounting and adds the pencil. Sewage passes through inlet tube flow direction buffer gear, buffer gear with sewage reposition of redundant personnel and along subsiding the first chamber that subsides of incasement wall inflow, impact force when reducing the sewage inflow, be convenient for sewage subsides most large granule solid separation at first settlement intracavity, the tiny particle suspended solid is followed from division board top overflow to the second and is subsided the intracavity, add the pencil and subside the intracavity to the second and add and subside the agent, make the tiny particle suspended solid subside at the second settlement intracavity flocculation and subside, reduce the influence of large granule solid to the flocculating agent quantity.

Description

Solid-liquid settling separation device for sewage treatment

Technical Field

The utility model relates to a sewage treatment technical field specifically is a sewage treatment's solid-liquid sedimentation separator.

Background

In order to meet the requirement of environmental protection, solid-liquid separation is needed to be carried out on solid-containing wastewater, the wastewater can be discharged after purification treatment, a sedimentation method is commonly adopted for solid-liquid separation at present, the wastewater needs to be led into a sedimentation tank or a sedimentation box for standing and sedimentation at present, settled solids are easily flushed by a water inlet pipe when new wastewater is added into the sedimentation box, the sedimentation effect is influenced, the sedimentation efficiency is low, small particles suspended in the wastewater need to be subjected to flocculation sedimentation through a sedimentation agent (such as alum, aluminum chloride and the like), but large-particle solids easily adsorb the sedimentation agent during flocculation, so that the dosage for fixing the small particles and completely flocculating and settling is increased, and the sedimentation cost is improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sewage treatment's solid-liquid sedimentation separator to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a sewage treatment's solid-liquid sedimentation separator, includes the setting tank, the inner chamber fixed mounting division board of setting tank, the setting tank inner chamber of division board both sides forms first settlement chamber and second settlement chamber, fixed cover connects the inlet tube on the lateral wall of first settlement chamber department, the interior wall mounting buffer gear of setting tank of inlet tube department, it has the delivery port to open on the curb plate of second settlement chamber department, first settlement chamber is close to the first baffle of inner wall top fixed mounting of division board, the second settlement chamber is close to the inner wall top fixed mounting second baffle of delivery port, fixed mounting dosing pipe on the wall of second settlement chamber both sides between division board and the second baffle, the bottom of first settlement chamber and second settlement chamber is all fixed cup joint the pump out silt pipe.

Preferably, buffer gear is including the case of intaking, the case is intake to fixed mounting on the first settling chamber inner wall, the terminal surface of inlet tube is located the case of intaking, the inner chamber bottom fixed mounting flow distribution plate of case of intaking, it has a plurality of diffluence orifices to open on the flow distribution plate, the fixed top that cup joints the connecting pipe in bottom of the case of intaking, and the top intercommunication diffluence orifice of connecting pipe, the fixed buffer box that cup joints in bottom of connecting pipe, it forms the water conservancy diversion inclined plane to open the groove on the settling chamber inner wall of bottom of the case of intaking, the open end of buffer box is located the water conservancy diversion inclined plane directly over.

Preferably, the cross section of flow distribution plate is isosceles triangle, and the axis of the top edge of flow distribution plate and inlet tube is located same vertical plane, the buffering box top is the cuboid structure, and the bottom is the tubaeform structure of slope.

Preferably, the equal fixed mounting guide block in bottom both sides in first subsidence chamber and second subsidence chamber, the guide block is the wedge structure, it is located between the guide block to take out the silt pipe, fixed mounting overflow pocket on the settling cask in the delivery port outside, the bottom fixed cup joint drain pipe of overflow pocket.

Preferably, the bottom height of the first baffle is lower than the top height of the partition plate, the top height of the water outlet is smaller than the top height of the partition plate, and the bottom height of the second baffle is lower than the top height of the water outlet.

Compared with the prior art, the beneficial effects of the utility model are that: the buffer mechanism buffers the sewage flowing out of the water inlet pipe, so that the sewage is uniformly distributed on the inner wall of the settling tank and naturally flows downwards along the inner wall, the impact force caused by the inflow of water flow is reduced, the liquid level in the first settling cavity is kept stable, the solid sediment at the bottom of the first settling cavity is prevented from being flushed, the sewage does not need to be introduced again after the sediment is cleaned, the sewage is convenient to enter while settling, and the settling efficiency is improved; the sewage is settled and separated in the first settling cavity, then flows into the second settling cavity through the top of the partition plate, and the dosing pipe is used for adding a settling agent into the second settling cavity, so that the small-particle solid is flocculated and settled, most of the large-particle solid is separated at the moment, and the settling agent only acts with the small-particle solid, thereby saving the using amount of the settling agent; first baffle and second baffle separate first settling chamber top and second settling chamber top respectively, ensure that sewage just can flow after subsiding.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the cross-sectional structure of the present invention;

fig. 3 is a schematic view of the local structure of the buffering mechanism of the present invention.

In the figure: 1 settling tank, 2 division boards, 3 first settling chambers, 4 second settling chambers, 5 inlet pipes, 6 buffer mechanisms, 61 inlet tanks, 62 flow distribution boards, 63 flow distribution holes, 64 connecting pipes, 65 buffer boxes, 66 flow guide inclined planes, 7 water outlets, 8 first baffles, 9 second baffles, 10 chemical feeding pipes, 11 silt pumping pipes, 12 guide blocks, 13 overflow pockets and 14 drain pipes.

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.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a sewage treatment's solid-liquid sedimentation separator, including settling tank 1, settling tank 1's inner chamber fixed mounting division board 2, settling tank 1 inner chamber at division board 2 both sides forms first settling chamber 3 and second settling chamber 4, fixed cover on the lateral wall of first settling chamber 3 department connects inlet tube 5, 1 interior wall-mounting buffer gear 6 of settling tank of inlet tube 5 department, it has delivery port 7 to open on the curb plate of second settling chamber 4 department, first settling chamber 3 is close to the first baffle 8 of the inner wall top fixed mounting of division board 2, second settling chamber 4 is close to the inner wall top fixed mounting second baffle 9 of delivery port 7, fixed mounting dosing pipe 10 on the wall of second settling chamber 4 both sides between division board 2 and second baffle 9, the bottom of first settling chamber 3 and second settling chamber 4 is all fixed cup joint and is taken out silt pipe 11. Sewage passes through inlet tube 5 flow direction buffer gear 6, buffer gear 6 shunts sewage and flows into first settling chamber 3 along 1 inner wall of settling tank, thereby reduce the impact force when the sewage flows in, be convenient for sewage subsides in first settling chamber 3, can know the large granule settling velocity fast according to the stokes formula, so be the large granule solid separation in first settling chamber 3 mainly, the small granule suspended solid is followed liquid water and is followed 2 top overflows to the second settling chamber 4 in, add medicine pipe 10 and subside the agent to second settling chamber 4 internal addition, thereby make the small granule suspended solid flocculate and subside in second settling chamber 4, final clear liquid flows out from delivery port 7.

The buffer mechanism 6 comprises a water inlet box 61, a water inlet box 61 is fixedly installed on the inner wall of the first settling chamber 3, the end surface of the water inlet pipe 5 is positioned in the water inlet box 61, a splitter plate 62 is fixedly installed at the bottom of the inner cavity of the water inlet box 61, a plurality of splitter holes 63 are formed in the splitter plate 62, the bottom of the water inlet box 61 is fixedly sleeved with the top of a connecting pipe 64, the top of the connecting pipe 64 is communicated with the splitter holes 63, a buffer box 65 is fixedly sleeved at the bottom of the connecting pipe 64, a groove is formed in the inner wall of the settling box 1 at the bottom of the water inlet box 61 to form a flow guide inclined plane 66, the open end of the buffer box 65 is positioned right above the flow guide inclined plane 66, the cross section of the splitter plate 62 is in an isosceles triangle shape, the top edge of the splitter plate 62 and the axis of the water inlet pipe 5 are positioned on the same vertical plane, divide water board 62 top inclined plane to both sides with sewage reposition of redundant personnel, make sewage shunt to connecting pipe 64 in through a plurality of reposition of redundant personnel holes 63, connecting pipe 64 leads sewage to buffer box 65, buffer box 65 bottom is further cushioned sewage for the inclined structure, sewage flows to water conservancy diversion inclined plane 66 along buffer box 65 slowly, thereby make sewage along 1 inner wall of setting tank slowly flow in first settlement chamber 3 in, reduce the water impact, thereby make liquid level in first settlement chamber 3 keep steady, avoid having the solid deposit bottom first settlement chamber 3 to wash up.

First settling chamber 3 and the equal fixed mounting guide block 12 in bottom both sides of second settling chamber 4, guide block 12 is the wedge structure, it is located between guide block 12 to take out silt pipe 11, thereby make the solid deposit pile up taking out silt pipe 11 department through the guide block 12 direction, when the deposit piles up more, take out the silt pump through taking out silt pipe 11 connection and take out the deposit, be convenient for continuously subside, improve and subside efficiency, fixed mounting overflow pocket 13 on the setting tank 1 in the delivery port 7 outside, the fixed drain pipe 14 that cup joints in bottom of overflow pocket 13, be convenient for with the clear liquor direction follow-up processing process that flows.

The bottom of first baffle 8 highly is less than the top surface height of division board 2, the top surface height of delivery port 7 is less than the top surface height of division board 2, the bottom surface height of second baffle 9 is less than the top surface height of delivery port 7, then first baffle 8 is separated buffer gear 6 and 2 tops of division board, ensure that sewage flows into unable direct flow to division board 2 tops behind the first settlement chamber 3 after the liquid level rises, make sewage subside in the region between first baffle 8 and buffer gear 6, it is direct from 2 tops of division board direct flow to delivery port 7 to guarantee sewage to guarantee like a matter second baffle 9, be convenient for add the pencil 10 and add the settling agent and carry out the flocculation and subside, ensure that the fixed complete settlement separation in the sewage.

The working principle is as follows: when the utility model is used, sewage flows into the water inlet box 61 through the water inlet pipe 5 for preliminary buffering, the top inclined plane of the water diversion plate 62 diverts the sewage to two sides, so that the sewage is diverted into the connecting pipe 64 through the plurality of diversion holes 63, the connecting pipe 64 guides the sewage to the buffer box 65, the bottom of the buffer box 65 is of an inclined structure to further buffer the sewage, the sewage slowly flows to the diversion inclined plane 66 along the buffer box 65, so that the sewage slowly flows into the first settling chamber 3 along the inner wall of the settling box 1, the water impact is reduced, the liquid level in the first settling chamber 3 is kept stable, the solid sediment at the bottom of the first settling chamber 3 is prevented from being washed up, the sewage is separated for settling large-particle solid in the first settling chamber 3 and then flows into the second settling chamber 4 through the top of the division plate 2, the chemical feeding pipe 10 adds a settling agent into the second settling chamber 4, so that the small-particle solid is, most of large-particle solids are separated at the moment, so that most of settling agents only act with small-particle solids, the using amount of the settling agents is saved, finally, clear liquid flows out through the water outlet 7, when sediments at the bottoms of the first settling chamber 3 and the second settling chamber 4 are accumulated more, the silt pumping pump is connected through the silt pumping pipe 11, accumulated sediments are pumped away, continuous settling is facilitated, and the efficiency is improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a sewage treatment's solid-liquid sedimentation separator, includes settling tank (1), its characterized in that: the inner cavity of the settling tank (1) is fixedly provided with a partition plate (2), the inner cavities of the settling tank (1) at the two sides of the partition plate (2) form a first settling chamber (3) and a second settling chamber (4), a water inlet pipe (5) is fixedly sleeved on the side wall of the first settling cavity (3), a buffer mechanism (6) is arranged on the inner wall of the settling tank (1) at the water inlet pipe (5), a water outlet (7) is formed in the side plate of the second settling chamber (4), a first baffle (8) is fixedly arranged at the top of the inner wall of the first settling chamber (3) close to the partition plate (2), a second baffle (9) is fixedly arranged at the top of the inner wall of the second settling chamber (4) close to the water outlet (7), the two side walls of the second settling cavity (4) between the partition plate (2) and the second baffle plate (9) are fixedly provided with a dosing pipe (10), and the bottoms of the first settling chamber (3) and the second settling chamber (4) are fixedly sleeved with a silt pumping pipe (11).

2. The solid-liquid settling separation device for sewage treatment according to claim 1, wherein: buffer gear (6) are including intaking case (61), case (61) is intake to fixed mounting on first settlement chamber (3) inner wall, the terminal surface of inlet tube (5) is located into case (61), the inner chamber bottom fixed mounting flow distribution plate (62) of case (61) of intaking, it has a plurality of flow distribution holes (63) to open on flow distribution plate (62), the fixed top that cup joints connecting pipe (64) in bottom of case (61) of intaking, and the top intercommunication flow distribution hole (63) of connecting pipe (64), the fixed bottom of connecting pipe (64) cup joints buffering box (65), it forms water conservancy diversion inclined plane (66) to open a slot on settling box (1) inner wall of case (61) bottom of intaking, the open end of buffering box (65) is located water conservancy diversion inclined plane (66) directly over.

3. The solid-liquid settling separation device for sewage treatment according to claim 2, characterized in that: the cross section of flow distribution plate (62) is isosceles triangle, and the axis of the top edge of flow distribution plate (62) and inlet tube (5) is located same vertical plane, buffer box (65) top is the cuboid structure, and the bottom is the tubaeform structure of slope.

4. The solid-liquid settling separation device for sewage treatment according to claim 1, wherein: first subside chamber (3) and the equal fixed mounting guide block (12) in bottom both sides of second subside chamber (4), guide block (12) are the wedge structure, it is located between guide block (12) to take out silt pipe (11), fixed mounting overflow pocket (13) are gone up in settling tank (1) in delivery port (7) outside, the fixed drain pipe (14) that cup joints in bottom of overflow pocket (13).

5. The solid-liquid settling separation device for sewage treatment according to claim 1, wherein: the bottom height of the first baffle (8) is lower than the top height of the partition plate (2), the top height of the water outlet (7) is smaller than the top height of the partition plate (2), and the bottom height of the second baffle (9) is lower than the top height of the water outlet (7).