CN212050624U

CN212050624U - High-efficiency air-floating sewage treatment device

Info

Publication number: CN212050624U
Application number: CN202020699597.4U
Authority: CN
Inventors: 王威
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2020-12-01
Anticipated expiration: 2030-04-30

Abstract

High-efficient air supporting formula sewage treatment plant, including shell body, air entrainment system, return water system and remove the sediment system, shell body right side bottom is equipped with the inlet tube, the inside wall that turns over water that is equipped with of shell body separates sewage treatment plant for mixing district and reaction zone, the reaction zone left side is equipped with out the basin, goes out basin and reaction zone and passes through outlet pipe connection, it is equipped with the drain pipe to go out the basin left side, it is equipped with mud on the basin right side and searches for a set groove to go out the basin, mud is searched for and is equipped with row cinder notch on the set groove. The utility model has the advantages that: 1. the operation is simple, and all the operations are automated; 2. the equipment is integrated, and the occupied area is small; 3. the construction and standby are low, and the operating cost is low; 4. high treatment efficiency, stable treatment effect, stable standard discharge of produced water 5, wide selection of equipment materials and suitability for various industrial wastewater.

Description

High-efficiency air-floating sewage treatment device

Technical Field

The utility model relates to an industrial wastewater treatment field for industrial wastewater preliminary treatment and advanced treatment concretely relates to high-efficient air supporting formula sewage treatment plant.

Background

The air flotation process in water treatment is a process of separating solid from liquid by forming highly dispersed micro bubbles in water, adhering solid or liquid particles of hydrophobic groups in wastewater to form a water-gas-particle three-phase mixed system, forming flocs with apparent density smaller than that of water and floating to the water surface after the particles adhere to the bubbles, forming a scum layer and scraping off the scum layer, thereby realizing solid-liquid or liquid-liquid separation. The air floatation has the advantages that the solid-liquid separation equipment has the characteristics of low investment, small occupied area, high automation degree, convenient operation and management and the like.

The air floatation sewage treatment can be used for pretreatment of wastewater with high concentration of suspended matters and petroleum pollutants in the wastewater, or advanced treatment that the produced water after biochemical treatment in industrial wastewater still does not meet the discharge standard, but the existing air floatation sewage treatment equipment has low integration level and can not realize automatic treatment.

SUMMERY OF THE UTILITY MODEL

Aiming at the difficult problem faced by the industrial wastewater treatment technology at the present stage, the utility model relates to a high-efficiency air-floating sewage treatment device.

The efficient air-floating sewage treatment device comprises an outer shell, an air-entrapping system, a water return system and a slag removal system, wherein a water inlet pipe is arranged at the bottom of the right side of the outer shell, a water turning wall is arranged inside the outer shell and divides the sewage treatment device into a mixing zone and a reaction zone, a water outlet groove is arranged on the left side of the reaction zone and is connected with the reaction zone through a water outlet pipe, a water outlet pipe is arranged on the left side of the water outlet groove, a sludge collection groove is arranged on the right side of the water outlet groove, and a slag discharge port is arranged on;

the air-entrapping system comprises a dissolved air tank and a dissolved air releaser, wherein a water outlet of the dissolved air tank is connected with the dissolved air releaser through a pipeline, a compressed air inlet is arranged on the dissolved air tank, and the dissolved air releaser is positioned in the mixing area; the slag removal system comprises a speed reducer, a speed reducer conveyor belt, mud scraper gears, mud scraper chains and mud scraper plates, wherein the speed reducer is installed on the outer shell, the mud scraper gears are in a pair and are installed on the outer shell through wheel shafts, the speed reducer is connected with the mud scraper gears through the speed reducer conveyor belt, the mud scraper chains are installed on the pair of mud scraper gears, and the mud scraper plates are installed on the mud scraper chains;

the water return system comprises a water return pipe, a tap water replenishing pipe and a dissolved air water pump, one end of the water return pipe is connected with the water outlet groove, the other end of the water return pipe is respectively connected with the tap water replenishing pipe and the water inlet of the dissolved air water pump, and the water outlet of the dissolved air water pump is connected with the water inlet of the dissolved air tank.

Preferably, the bottom of the mixing zone, the reaction zone and the water outlet tank is respectively provided with a vent pipe.

Preferably, the dissolved air tank is provided with a dissolved air tank pressure gauge and a dissolved air tank air release valve, and the water inlet of the dissolved air tank is provided with a dissolved air water pressure gauge.

Preferably, the outer shell is provided with transverse and longitudinal reinforcing ribs.

Preferably, the deslagging system further comprises a mud scraper guide rail and a mud scraper guide rail support, the mud scraper guide rail is mounted on the outer shell through the guide rail support, and the mud scraper chain is located in the mud scraper guide rail.

Preferably, a water drainage groove is further formed between the water outlet groove and the water drainage pipe, a water outlet weir plate is arranged on the side face of the water drainage groove, and the water outlet weir plate is inserted into the water drainage groove.

Preferably, it still includes a water weir plate adjustment mechanism, a water weir plate adjustment mechanism includes support, lead screw and hand wheel, the support mounting is equipped with the screw hole on the basin on the play basin, the lead screw is located the screw hole, and one end and play weir plate swing joint, the hand wheel is installed at the lead screw other end.

Compared with the prior art, the utility model has the advantages that: 1. the operation is simple, and all the operations are automated; 2. the equipment is integrated, and the occupied area is small; 3. the construction and standby are low, and the operating cost is low; 4. high treatment efficiency, stable treatment effect, stable standard discharge of produced water 5, wide selection of equipment materials and suitability for various industrial wastewater.

Drawings

FIG. 1 is a front view of the structure of the present invention;

fig. 2 is a side view of the present invention;

fig. 3 is a top view of the present invention;

FIG. 4 is a schematic flow diagram of wastewater in accordance with the present invention;

FIG. 5 is a schematic view of the water outlet tank of the present invention;

fig. 6 is a side view of the water outlet tank of the present invention.

In the figure: the device comprises an outer shell 1, a water inlet pipe 2, a water turning wall 3, a mixing zone 4, a reaction zone 5, a water outlet groove 6, a water outlet pipe 7, a water outlet pipe 8, a sludge collection groove 9, a slag discharge port 10, a dissolved air tank 11, a dissolved air releaser 12, a compressed air inlet 13, a speed reducer 14, a speed reducer conveyor belt 15, a mud scraper gear 16, a mud scraper chain 17, a mud scraper plate 18, a backflow water pipe 19, a tap water replenishing pipe 20, a dissolved air water pump 21, a vent pipe 22, a dissolved air tank pressure gauge 23, a dissolved air tank 24, a dissolved air water pressure gauge 25, a reinforcing rib 26, a mud scraper guide rail 27, a guide rail support 28, a drainage groove 29, a water outlet weir plate 30, a support 31, a lead screw 32 and a hand wheel 33.

Detailed Description

In order to make the technical solution of the present invention better understood, the present invention is described in detail below with reference to the accompanying drawings, and the description of the present invention is only exemplary and explanatory, and should not be construed as limiting the scope of the present invention.

As shown in fig. 1-3, the high-efficiency air-floating sewage treatment device comprises an outer shell 1, an air-entrapping system, a water return system and a deslagging system, wherein a water inlet pipe 2 is arranged at the bottom of the right side of the outer shell 1, a water turning wall 3 is arranged inside the outer shell 1 to divide the sewage treatment device into a mixing zone 4 and a reaction zone 5, a water outlet tank 6 and a sludge collection tank 9 are arranged on the left side of the reaction zone 5, the water outlet tank 6 is connected with the reaction zone 5 through a water outlet pipe 7, a group of water inlet holes are formed in the water outlet pipe 7, the number of the water outlet pipes 7 is 3, a water outlet pipe 8 is arranged on the left side of the water outlet tank 6, the sludge collection tank 9 is positioned;

the gas adding system comprises a dissolved gas tank 11 and a dissolved gas releaser 12, a water outlet of the dissolved gas tank 11 is connected with the dissolved gas releaser 12 through a pipeline, a compressed air inlet 13 is arranged on the dissolved gas tank 11, the dissolved gas releaser 12 is positioned in the mixing area 4, and the gas adding system is used for adding gas into water to form dissolved gas water and then filling the dissolved gas water into the mixing area 4 through the dissolved gas releaser 12;

the deslagging system comprises a speed reducer 14, a speed reducer conveyor belt 15, mud scraper gears 16, a mud scraper chain 17 and mud scraper scrapers 18, wherein the speed reducer 14 is installed on the outer shell 1, the mud scraper gears 16 are a pair and are installed on the outer shell 1 through wheel shafts, the speed reducer 14 is connected with the mud scraper gears 16 through the speed reducer conveyor belt 15, the mud scraper chains 17 are installed on the pair of mud scraper gears 16, the mud scraper scrapers 18 are installed on the mud scraper chain 17, and the deslagging system bag is used for sweeping scum on the surface of the water body of the reaction zone 5 into the sludge collection tank 9 and discharging the scum;

the water return system comprises a water return pipe 19, a tap water replenishing pipe 20 and a dissolved air water pump 21, one end of the water return pipe 19 is connected with the water outlet groove 6, the other end of the water return pipe is respectively connected with the tap water replenishing pipe 20 and the water inlet of the dissolved air water pump 21, and the water outlet of the dissolved air water pump 21 is connected with the water inlet of the dissolved air tank 11.

The working process of wastewater treatment comprises the following steps: firstly, wastewater to be treated is sent into a mixing area 4 through a water inlet pipe 2, a dissolved air releaser 12 is arranged in the mixing area 4, the dissolved air water of the dissolved air releaser 12 is released into the mixing area 4, the wastewater to be treated and the dissolved air water are mixed in the mixing area 4, the mixed wastewater turns over a water turning wall 3 to enter a reaction area 5, and the wastewater to be treated is continuously pushed forward along with continuous water inlet, because the wastewater is mixed with the dissolved air water, a large amount of micro bubbles are contained in the wastewater, the micro bubbles are adhered to suspended matters and oils in the wastewater and can move upwards in the wastewater, so that the suspended matters and the oils in the wastewater float to the upper layer of the reaction area 5 together; then the speed reducer 14 is started, the speed reducer 14 drives the mud scraper gear 16 to rotate through the speed reducer conveyor belt 15, the mud scraper gear 16 rotates to drive the mud scraper chain 17 to rotate, the mud scraper chain 17 is provided with the fixed mud scraper 18, the mud scraper 18 circularly moves along with the track of the mud scraper guide rail 27, floating suspended matters and oils are scraped to the sludge collection groove 9 in the moving process of the mud scraper, and then the mud is discharged out of the system through the slag discharge port 10. Meanwhile, the wastewater with suspended matters and oil pollutants removed reaches the water outlet groove 6 through the small hole on the water outlet pipe 7 at the lower part, and along with the continuous rising of the sewage level in the water outlet groove 6, the wastewater is discharged out of the system through the water discharge pipe 8, and the discharged wastewater meets the process requirement of entering the next stage or reaches the standard for discharge. The efficiency of removing suspended substances and oil pollutants in the sewage in the water outlet groove 6 can reach more than 95 percent, so the waste water can be used as a water source of dissolved air water, the treated sewage is pumped into the dissolved air tank 11 by the dissolved air water pump 21 through the backflow pipe 19, a compressed air inlet 13 is arranged in the dissolved air tank 11 to supplement compressed air, the compressed air is sent into the dissolved air releaser 12 through a water pipe, a dissolved air water pressure gauge 25 and a dissolved air water sampling valve are arranged at the water inlet of the dissolved air tank 11 before the sewage enters the dissolved air releaser 12, so that the performance of the dissolved air water can be conveniently checked, and if the water inlet quantity is insufficient or the concentration of the suspended substances of the pollutants exceeds 10000mg/L, tap water is supplemented through the tap water supplementing pipe 20 to complete the preparation of the dissolved air water. This high-efficient air supporting formula sewage treatment plant mainly is that suspended solid and the oil pollutant etc. of going to remove in the sewage make through the utility model discloses a suspended solid and the oil pollutant removal rate among the waste water industrial treatment can reach more than 95%, can realize sewage purification on this basis, satisfy and get into next-level technological requirement or discharge to reach standard.

The bottoms of the mixing zone 4, the reaction zone 5 and the water outlet groove 6 of the whole equipment are respectively provided with a vent pipe 22, so that the equipment is convenient to overhaul, test water and the like. The whole material of equipment adopts stainless steel, carbon steel, PPR material, and the equipment periphery sets up horizontal and fore-and-aft strengthening rib 26, when guaranteeing that equipment is full of water, can not cause pressure damage to the box.

Dissolve and be equipped with on the gas pitcher 11 and dissolve gas pitcher manometer 23, the water inlet department that dissolves the gas pitcher 11 is equipped with and dissolves gas water manometer 25, conveniently looks over at any time and dissolves the gas pitcher and dissolve gas water pressure, dissolves gas pitcher 11 and dissolves gas pitcher bleed valve 24, when dissolving the gas pitcher 11 internal pressure when too big, opens the valve and can step down.

The deslagging system also comprises a mud scraper guide rail 27 and a mud scraper guide rail support 28, wherein the mud scraper guide rail 27 is installed on the outer shell 1 through the guide rail support 28, and the mud scraper chain 17 is positioned in the mud scraper guide rail 27, so that the mud scraper chain 17 can move in the mud scraper guide rail 27, the position of the mud scraper 18 is further kept, and the stable scum sweeping effect is achieved.

Still be equipped with water drainage tank 29 between basin 6 and the drain pipe 8, water drainage tank 29 side is equipped with out weir plate 30, go out weir plate 30 and insert and locate on water drainage tank 29, be equipped with out weir plate adjustment mechanism on going out weir plate 30, go out weir plate adjustment mechanism and include support 31, lead screw 32 and hand wheel 33, support 31 is installed on basin 6, is equipped with the screw hole on the support 31, lead screw 32 is located the screwed hole, and one end and play weir plate 30 swing joint, hand wheel 33 installs at the lead screw 32 other end, through rotating hand wheel 33, both can adjust out weir plate 30's height to play the effect of adjustment displacement.

The principles and embodiments of the present invention have been explained herein using specific examples, which are presented only to assist in understanding the methods and their core concepts. It should be noted that there are infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that various improvements, decorations or changes can be made without departing from the principles of the present invention, and the technical features can be combined in a suitable manner; the application of these modifications, variations or combinations, or the application of the concepts and solutions of the present invention in other contexts without modification, is not intended to be considered as a limitation of the present invention.

Claims

1. The efficient air-floating sewage treatment device is characterized by comprising an outer shell (1), an air-entrapping system, a water return system and a slag removal system, wherein a water inlet pipe (2) is arranged at the bottom of the right side of the outer shell (1), a water turning wall (3) is arranged inside the outer shell (1) to separate the sewage treatment device into a mixing area (4) and a reaction area (5), a water outlet groove (6) is arranged on the left side of the reaction area (5), the water outlet groove (6) is connected with the reaction area (5) through a water outlet pipe (7), a water outlet pipe (8) is arranged on the left side of the water outlet groove (6), a sludge searching and collecting groove (9) is arranged on the right side of the water outlet groove (6), and a slag discharge port (10) is arranged;

the gas adding system comprises a dissolved gas tank (11) and a dissolved gas releaser (12), a water outlet of the dissolved gas tank (11) is connected with the dissolved gas releaser (12) through a pipeline, a compressed air inlet (13) is arranged on the dissolved gas tank (11), and the dissolved gas releaser (12) is positioned in the mixing area (4); the slag removal system comprises a speed reducer (14), a speed reducer conveyor belt (15), mud scraper gears (16), mud scraper chains (17) and mud scraper scrapers (18), wherein the speed reducer (14) is installed on the outer shell (1), the mud scraper gears (16) are in a pair and are installed on the outer shell (1) through wheel shafts, the speed reducer (14) is connected with the mud scraper gears (16) through the speed reducer conveyor belt (15), the mud scraper chains (17) are installed on the pair of mud scraper gears (16), and the mud scraper scrapers (18) are installed on the mud scraper chains (17);

the water return system comprises a water return pipe (19), a tap water replenishing pipe (20) and a dissolved air water pump (21), one end of the water return pipe (19) is connected with the water outlet groove (6), the other end of the water return pipe is respectively connected with the tap water replenishing pipe (20) and a water inlet of the dissolved air water pump (21), and a water outlet of the dissolved air water pump (21) is connected with a water inlet of the dissolved air tank (11).

2. The high-efficiency air-floating sewage treatment plant according to claim 1, wherein the mixing zone (4), the reaction zone (5) and the bottom of the water outlet tank (6) are respectively provided with a vent pipe (22).

3. The high-efficiency air-floating sewage treatment plant according to claim 1, wherein the dissolved air tank (11) is provided with a dissolved air tank pressure gauge (23) and a dissolved air tank air release valve (24), and the water inlet of the dissolved air tank (11) is provided with a dissolved air water pressure gauge (25).

4. The high efficiency air-floating sewage treatment plant according to claim 1, wherein the outer hull is provided with transverse and longitudinal stiffeners (26).

5. The high-efficiency air-floating sewage treatment plant according to claim 1, wherein the deslagging system further comprises a mud scraper guide rail (27) and a mud scraper guide rail support (28), the mud scraper guide rail (27) is mounted on the outer shell (1) through the guide rail support (28), and the mud scraper chain (17) is located in the mud scraper guide rail (27).

6. The high-efficiency air-floating sewage treatment plant according to claim 1, wherein a drainage channel (29) is further arranged between the water outlet channel (6) and the drainage pipe (8), a water outlet weir plate (30) is arranged on the side surface of the drainage channel (29), and the water outlet weir plate (30) is inserted on the drainage channel (29).

7. The high-efficiency air-floating sewage treatment device of claim 6, further comprising a water outlet weir plate adjusting mechanism, wherein the water outlet weir plate adjusting mechanism comprises a support (31), a screw rod (32) and a hand wheel (33), the support (31) is installed on the water outlet tank (6), the support (31) is provided with a threaded hole, the screw rod (32) is located in the threaded hole, one end of the screw rod is movably connected with the water outlet weir plate (30), and the hand wheel (33) is installed at the other end of the screw rod (32).