CN214734659U

CN214734659U - High-efficient air supporting deposits device

Info

Publication number: CN214734659U
Application number: CN202120554399.3U
Authority: CN
Inventors: 张敬; 王瑞
Original assignee: Dalian Shidate Environmental Science And Technology Co ltd
Current assignee: Dalian Shidate Environmental Science And Technology Co ltd
Priority date: 2021-03-17
Filing date: 2021-03-17
Publication date: 2021-11-16
Anticipated expiration: 2031-03-17

Abstract

The utility model provides a high-efficiency air flotation precipitation device, which comprises a reaction equipment body, a control cabinet for controlling the reaction equipment body to work, an air flotation pressure pump and a sludge discharge pump; the reaction equipment body comprises a tank body and an inner cylinder arranged in the tank body; an overflow weir is arranged on the wall of the upper part of the tank body and is communicated with an external water outlet buffer tank; the lower end of the tank body is provided with a sewage inlet which is communicated with a central guide cylinder, and the top end of the central guide cylinder extends into the inner cylinder; the top of the inner cylinder is provided with a slag scraping plate which is connected with the central guide cylinder; one side of the inner cylinder is provided with a scum groove which is provided with a scum port; the central guide cylinder is connected with a transmission device, the transmission device controls the central guide cylinder to rotate, and the central guide cylinder drives the slag scraping plate to rotate; the bottom of cell body has mud collection portion, and mud collection portion is provided with the mud mouth, and the mud pump is connected the mud mouth. The utility model discloses technical scheme has increased the treatment effeciency of sewage, has improved the purification rate of quality of water.

Description

High-efficient air supporting deposits device

Technical Field

The utility model relates to a sewage treatment technical field, concretely relates to high-efficient air supporting deposits device.

Background

Currently, some research techniques are available for air flotation precipitation reaction devices, such as:

1. study on the air flotation settling zone: the authorized bulletin numbers based on the air floatation sedimentation region partition research are CN207537251U, CN106629953A, CN204550161U and CN 210163246U; the researches based on the partition plate and the inclined plate of the air floatation settling area comprise CN110803806A, CN210528664U and CN 108947004A; based on the researches of a box body, a cylinder body, a tank body and an inner cavity in an air floatation settling area, CN204079535U, CN210656461U, CN201209124, CN102079553A, CN104192933A and CN211141581U are provided, but the floating slag generated on the water surface, the sludge at the bottom of the tank and a clean water area are isolated in a pairwise opposite mode in the air floatation reaction process, so that the effluent is unstable and the sludge floating slag is not cleaned thoroughly.

2. Research about slagging-off, mud scraping, water conservancy diversion integral type device:

the authorization notice numbers of the research of sludge discharge by inclined plate sedimentation at the lower part based on the upper part slag scraping are CN209759133U, CN207537251U, CN207002319U, CN202054680U, CN210528664U, CN108947004A, CN206828228U, CN206089096U, CN204550161U and CN 210163246U; the authorized notice numbers of the lower mud scraping research based on the upper slag scraping are CN107337263A, CN210481038U and CN 202945077U; the authorization notice numbers of sludge removal mode researches based on sludge collection, inclined tube sedimentation, solid-liquid separation devices and the like are CN110803806A and CN106629953A, but the problem of power saving is not considered.

SUMMERY OF THE UTILITY MODEL

Based on the defect that exists among the prior art, the utility model provides a high-efficient air supporting deposits device has solved among the prior art water unstability, and mud scum clearance is not thorough, problem such as power cost height.

The technical scheme of the utility model is realized like this:

an efficient air flotation precipitation device comprises a reaction equipment body, a control cabinet, an air flotation pressurizing pump and a sludge discharge pump, wherein the control cabinet, the air flotation pressurizing pump and the sludge discharge pump are used for controlling the reaction equipment body to work; the reaction equipment body comprises a tank body and an inner cylinder arranged in the tank body; an overflow weir is arranged on the wall of the upper part of the tank body and is communicated with an external water outlet buffer tank; the lower end of the tank body is provided with a sewage inlet which is communicated with a central guide cylinder, and the top end of the central guide cylinder extends into the inner cylinder; the top of the inner cylinder is provided with a slag scraping plate, the slag scraping plate is connected with the central guide cylinder through a first connecting piece, one side of the inner cylinder is provided with a scum groove, and the scum groove is provided with a scum port; the central guide cylinder is connected with a transmission device, the transmission device controls the central guide cylinder to rotate, and the central guide cylinder drives the slag scraping plate to rotate through the first connecting piece; the bottom of cell body has mud collection portion, mud collection portion is located the bottom open-ended below of inner tube, mud collection portion is provided with the mud mouth, the dredge pump is connected the mud mouth.

Further, the portion is collected to mud is the bucket column structure, the upper portion of the portion is collected to mud has the decurrent annular side of slope, the lower part of the portion is cylindrical or inverted circular truncated cone shape, the lower part of the portion is collected to mud is provided with the mud mouth to the landing of the mud of being convenient for is collected.

Furthermore, a mud scraper is arranged on the annular side face, the mud scraper is matched with the annular side face and is obliquely arranged, the mud scraper is connected to the outer wall of the central guide cylinder through a second connecting piece, and the rotation of the central guide cylinder drives the mud scraper to rotate. From this, can realize that upper portion air supporting scrapes the sediment, the sediment of lower part is scraped, and the sediment is scraped to upper and lower integral type, and rotatory water distribution saves power.

Furthermore, a plurality of groups of the scraper plates are circumferentially arranged at the top of the inner cylinder, and a plurality of groups of the scraper plates are circumferentially arranged on the annular side surface.

Further, the top of center draft tube is the loudspeaker form of internal diameter crescent from bottom to top, can realize that water velocity is little and even, and the air water mixture is gone into through the draft tube down and is gone up out, keeps apart with mud district, and mixes fully, gets rid of effectually.

Furthermore, a perforated plate is arranged on the wall of the upper part of the tank body, and clean water in the overflow weir enters the water outlet buffer tank through the perforated plate, so that the stability of the water quality of the outlet water is ensured.

Furthermore, the central guide cylinder and the transmission device are both positioned in the central position of the tank body, so that the transmission device drives the slag scraping plate and the guide cylinder to do axial rotation movement, rotary water distribution is realized, and power is saved.

Furthermore, the inner cylinder is a round cylinder, so that the occupied space of the whole reaction equipment body is reduced, and the reaction time is shortened.

Furthermore, the top end of the transmission device is fixedly connected with a speed reducer, and the speed reducer drives the transmission device to rotate.

The utility model has the advantages that:

(1) the air flotation system and the sedimentation system are combined in a reaction tank, a large amount of micro bubbles are introduced through an air flotation pressurizing pump before sewage enters a tank body, the bubbles are adhered to fine suspended matters through the action of surface tension and reach the water surface according to the buoyancy principle, floating slag on the water surface is collected to a floating slag tank through a slag scraping plate and then discharged, and part of the suspended matters and sludge are deposited at the bottom of the tank body;

(2) wastewater enters the central backflow cylinder from the bottom end of the tank body and flows into the reaction zone from the central backflow cylinder to the upper end of the tank body, so that the wastewater enters and exits from the bottom to the top, is isolated from the bottom sludge zone, is fully mixed, and has a good impurity removal effect;

(3) the scum area is arranged at the upper end of the central backflow cylinder, the clear water area is arranged between the central backflow cylinder and the tank body, the scum area and the clear water area are isolated, and the clear water flows to the water outlet buffer tank through the overflow weir, so that the stability of the water quality of the outlet water is ensured.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of a reaction apparatus body in an embodiment of the present invention;

FIG. 2 is a schematic top view of the reaction apparatus body of FIG. 1.

Wherein:

1. a trough body; 2. an inner barrel; 3. a sludge collection unit; 4. a sewage inlet; 5. a draft tube; 6. a speed reducer; 7. a slag scraping plate; 8. a scum trough; 9. a scum port; 10. a mud scraper; 11. a sludge port; 12. an overflow weir; 13. an effluent buffer tank; 14. a water outlet; 31. an annular side surface; 32. a lower portion 51 of the sludge collection portion, a first connecting member; 52. a transmission device; 53. a second connecting member.

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.

As shown in fig. 1 and 2, in the embodiment of the present invention, an efficient air flotation precipitation apparatus includes a reaction apparatus body 100, and a control cabinet, an air flotation pressure pump and a sludge discharge pump (none of which is shown) for controlling the operation of the reaction apparatus body 100; the control cabinet is used for controlling the operation state of the reaction equipment body, such as electrical control and the like. The reaction equipment body 100 comprises a tank body 1 and an inner cylinder 2 arranged in the tank body; an overflow weir 12 is arranged on the wall of the upper part of the tank body 1, and the overflow weir 12 is communicated with an external water outlet buffer tank 13; a sewage inlet 4 is formed in the lower end of the tank body 1, the sewage inlet 4 is communicated with a central guide cylinder 5, and the top end of the central guide cylinder 5 extends into the inner cylinder 2; the top of inner tube 2 is provided with scum board 7, scum board 7 connects through first connecting piece 51 central draft tube 5, scum groove 8 is seted up to one side of inner tube 2, scum groove 8 has scum mouth 9.

The central guide cylinder 5 is connected with a transmission device 52, the transmission device 52 controls the central guide cylinder 5 to rotate, and the central guide cylinder 5 drives the slag scraping plate 7 to rotate through the first connecting piece 51; the bottom of cell body 1 has mud collection portion 3, mud collection portion 3 is located the bottom open-ended below of inner tube 2, mud collection portion 3 is provided with mud mouth 11, the dredge pump is connected mud mouth 11.

Preferably, the top end of the transmission device 52 is fixedly connected with a speed reducer 6, and the speed reducer 6 drives the transmission device 52 to rotate, so as to drive the central guide cylinder 5 and the scraper bar 7 to rotate.

In the embodiment of the present invention, the inner tube 2 is a circular tube, which reduces the occupied space of the whole reaction equipment body 100 and shortens the reaction time.

In the embodiment of the present invention, preferably, the sludge collecting portion 3 is a bucket-shaped structure, wherein the upper portion of the sludge collecting portion 3 has a downward inclined annular side surface 31, the lower portion 32 of the sludge collecting portion 3 is cylindrical or inverted truncated cone-shaped, the lower portion of the sludge collecting portion 3 is provided with the sludge port 11, so that the sludge can be collected through the sliding.

Preferably, a mud scraper 10 is arranged on the annular side surface 31, the mud scraper 10 is obliquely arranged in cooperation with the annular side surface 31, the mud scraper 10 is connected to the outer wall of the central guide cylinder 5 through a second connecting piece 53, and the rotation of the central guide cylinder 5 drives the mud scraper 10 to rotate. From this, can realize that upper portion air supporting scrapes the sediment, the sediment of lower part is scraped, and the sediment is scraped to upper and lower integral type, and rotatory water distribution has saved power.

In order to enhance the slag scraping efficiency, preferably, a plurality of groups of the slag scraping plates 7 are circumferentially arranged on the top of the inner cylinder 2, and a plurality of groups of the mud scraping plates 10 are circumferentially arranged on the annular side surface 31.

Wherein, the top of central draft tube 5 is the loudspeaker form of internal diameter crescent from bottom to top, can realize that water velocity is little and even, and the air water mixes and passes through central draft tube 5 and go into from top to bottom, makes the air water mixture abundant when keeping apart with the mud collecting region, and impurity removal effect is good.

In the embodiment of the present invention, preferably, a perforated plate (not shown) is disposed on the wall of the upper portion of the tank body 1, and the clear water in the overflow weir 12 enters the water outlet buffer tank through the perforated plate, so as to ensure the stability of the water quality.

The central guide cylinder 5 and the transmission device 52 are both located in the central position of the tank body 1, so that the transmission device 52 drives the slag scraping plate 7 and the central guide cylinder 5 to do axial rotation movement, rotary water distribution is realized, and power is saved.

The utility model discloses in the embodiment, with central draft tube 5, scum board 7, the sweep 10 and the 6 interlocks of speed reducer, axial rotation motion is done to the one-time drive scum board 10 that scrapes 7, central draft tube 5 and lower part of speed reducer 6, and the sediment is scraped in upper portion air supporting, and the lower part sediment strikes off, and sediment water conservancy diversion system is scraped to upper and lower integral type, and rotatory water distribution can effectively save power. The suspended solid and the mud of the bottom of collecting cell body 1 through the mud scraping plate 10 get into hopper-shaped mud collection portion 3, drive and discharge through the dredge pump, and such combination has increased the treatment effeciency of sewage, has improved the purification rate of quality of water.

When the device works, before the wastewater enters the tank body 1, air is blown into the water inlet 4 through the air flotation pressurizing pump, meanwhile, the wastewater enters the tank body 1 from the water inlet 4, reaches the upper end of the tank body 1 through the central guide cylinder 5, flows into the reaction zone, and the speed reducer 6 starts to work; the speed reducer 6 drives the guide cylinder 5, the scraper 7 and the scraper 10 to do axial rotation movement together, impurities in the sewage in the inner cylinder 2 float on the water surface due to being attached to bubbles, part of suspended matters sink to the bottom of the tank body 1 to form sludge, floating slag on the bubbles attached to the upper part is collected into a floating slag groove 8 through the scraper 7, and sludge on the bottom is collected into the sludge collection part 3 through the scraper 10, so that the impurities in the water are thoroughly removed, and the problem that the quality of the discharged water is poor due to incomplete floating slag removal is avoided; the clear water is communicated to the area between the tank body 1 and the inner tank 2 due to the bottom opening of the inner tank 2, and the clear water is collected to the water outlet buffer tank 13 through the overflow weir 12 on the wall of the tank body 1 and finally discharged through the water outlet 14 of the water outlet buffer tank 13.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The efficient air flotation precipitation device is characterized by comprising a reaction equipment body, a control cabinet, an air flotation pressurizing pump and a sludge discharge pump, wherein the control cabinet, the air flotation pressurizing pump and the sludge discharge pump are used for controlling the reaction equipment body to work;

the reaction equipment body comprises a tank body and an inner cylinder arranged in the tank body; an overflow weir is arranged on the wall of the upper part of the tank body and is communicated with an external water outlet buffer tank;

the lower end of the tank body is provided with a sewage inlet which is communicated with a central guide cylinder, and the top end of the central guide cylinder extends into the inner cylinder; the top of the inner cylinder is provided with a slag scraping plate, and the slag scraping plate is connected with the central guide cylinder through a first connecting piece; one side of the inner cylinder is provided with a scum groove, and the scum groove is provided with a scum port;

the central guide cylinder is connected with a transmission device, the transmission device controls the central guide cylinder to rotate, and the central guide cylinder drives the slag scraping plate to rotate through the first connecting piece;

the bottom of cell body has mud collection portion, mud collection portion is located the bottom open-ended below of inner tube, mud collection portion is provided with the mud mouth, the dredge pump is connected the mud mouth.

2. The high efficiency air flotation precipitation device as claimed in claim 1, wherein: the mud collection portion is the bucket column structure, the upper portion of mud collection portion has the decurrent annular side of slope, the lower part of mud collection portion is cylindrical or inverted circular truncated cone shape, the lower part of mud collection portion is provided with the mud mouth.

3. The high efficiency air flotation precipitation device as claimed in claim 2, wherein: the annular side face is provided with a mud scraper which is matched with the annular side face and is obliquely arranged, the mud scraper is connected to the outer wall of the central guide cylinder through a second connecting piece, and the rotation of the central guide cylinder drives the mud scraper to rotate.

4. The high efficiency air flotation precipitation device as claimed in claim 3, wherein: the top circumference of inner tube is provided with the multiunit the scum board, circumference is provided with the multiunit scum board on the annular side.

5. The high efficiency air flotation precipitation device as claimed in claim 1, wherein: the top end of the central guide cylinder is in a horn shape with the inner diameter gradually increasing from bottom to top.

6. The high efficiency air flotation precipitation device as claimed in claim 1, wherein: and a perforated plate is arranged on the wall of the upper part of the tank body, and clean water in the overflow weir enters the water outlet buffer tank through the perforated plate.

7. The high efficiency air flotation precipitation device as claimed in claim 1, wherein: the central guide cylinder and the transmission device are both positioned in the central position of the groove body.

8. The high efficiency air flotation precipitation device as claimed in claim 1, wherein: the inner cylinder is a circular cylinder.

9. The efficient air flotation precipitation device as claimed in any one of claims 1 to 8, wherein: the top end of the transmission device is fixedly connected with a speed reducer, and the speed reducer drives the transmission device to rotate.