CN215049305U

CN215049305U - Leather sewage treatment equipment

Info

Publication number: CN215049305U
Application number: CN202121212609.7U
Authority: CN
Inventors: 黄玖达; 林伟森
Original assignee: Buwei Qingyuan Leather Co ltd
Current assignee: Buwei Qingyuan Leather Co ltd
Priority date: 2021-06-01
Filing date: 2021-06-01
Publication date: 2021-12-07
Anticipated expiration: 2031-06-01

Abstract

The utility model discloses a leather sewage treatment device aims at the effectual pollutant of cleaing away in the leather sewage, its technical scheme: a leather sewage treatment device comprises an air flotation tank, a flocculation tank and a clean water tank, wherein a water inlet pipe is connected to the air flotation tank, a water outlet pipe is connected to the clean water tank, a water outlet of the air flotation tank is communicated with a water inlet of the flocculation tank, a water outlet of the flocculation tank is communicated with a water inlet of the clean water tank, an oxygen exposure module is arranged in the air flotation tank, a residue scraping module is arranged at the upper part of the air flotation tank, a residue collecting groove is arranged at one side of the air flotation tank, and scum on the surface of the air flotation tank is scraped and swept into the residue collecting groove by the residue scraping module in operation; the water inlet of flocculation basin department is equipped with first valve, the water inlet of clean water basin department is equipped with the second valve, belongs to leather sewage treatment technical field.

Description

Leather sewage treatment equipment

Technical Field

The utility model belongs to the technical field of leather sewage treatment, more specifically, relate to a leather sewage treatment device.

Background

The leather produces a large amount of sewage in the production process, the sewage contains a large amount of pollutants, such as scraps, heavy metal ions, grease and the like, and if the sewage is not treated and is discharged, the environment is seriously polluted.

In response to this situation, CN211676521U discloses a leather sewage treatment plant. Its technical essential includes the support frame, be provided with the filter-tank on the support frame, the filter-tank is close to the position of upper end and is provided with the filter screen, the both sides of filter-tank all are provided with sprocket and chain along its length direction, the sprocket is located the both ends of chain, be provided with at least one scraper blade between two chains, be provided with the brush hair with filter screen upper surface contact on the scraper blade, the filter-tank is located and is provided with the album cinder groove on one side between two chains, the upper end opening and the filter screen of filter-tank all face one side downward sloping near album cinder groove, one side that the support frame kept away from album cinder groove is provided with the water inlet that is located the filter screen top, the bottom of filter-tank is provided with the drain pipe, be provided with the water pump on the drain pipe.

Above-mentioned equipment has only used the filter screen to come the waste residue of filtering in the leather sewage, can't handle such as pollutant in the leather sewage totally, if so discharge out and still can the polluted environment.

Therefore, the technical problems to be solved by the application are as follows: how to effectively remove pollutants in leather sewage.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a leather sewage treatment device aims at the effectual pollutant that clears away in the leather sewage.

According to the utility model discloses a first aspect provides a leather sewage treatment device, including air supporting pond, flocculation basin and clean water basin, be connected with the inlet tube on the air supporting pond, be connected with the outlet pipe on the clean water basin, the delivery port of air supporting pond communicates the water inlet of flocculation basin, the delivery port of flocculation basin communicates the water inlet of clean water basin, be equipped with the oxygen module that exposes to the sun in the air supporting pond, the upper portion of air supporting pond is equipped with scrapes the sediment module, one side of air supporting pond is equipped with the sediment groove, scrape sediment module operation and scrape the dross on air supporting pond surface and sweep to the sediment groove in; the water inlet of the flocculation tank is provided with a first valve, and the water inlet of the clean water tank is provided with a second valve.

The utility model discloses a specific embodiment still includes flocculating agent preparation pond, flocculating agent preparation pond passes through inlet pipe intercommunication flocculation basin, be equipped with the water pump on the inlet pipe.

In a specific embodiment of the present invention, a filter screen is disposed at the water inlet of the clean water tank.

The utility model discloses a specific embodiment, the oxygen module of exposing to the sun includes dissolved air pump, holding vessel, sets up the oxygen pipe of exposing to the sun in the air supporting pond, the end of intaking of dissolved air pump passes through pipeline intercommunication clean water basin, the water outlet end and the holding vessel intercommunication of dissolved air pump, the holding vessel with expose to the sun the oxygen pipe intercommunication.

In a particular embodiment of the present invention, the aeration pipe extends to the bottom of the flotation tank.

The utility model discloses a specific embodiment, scrape the sediment module and include driving shaft and driven shaft with collection sediment groove parallel arrangement, be equipped with two at least driving sprocket on the driving shaft, be equipped with the driven sprocket just to one with driving sprocket on the driven shaft, be equipped with first chain, two on corresponding driving sprocket and the driven sprocket be equipped with at least one scraper blade that parallels with collection sediment groove between the first chain, the driving shaft rotates through a drive arrangement drive, the scraper blade is followed first chain and is removed to scrape the dross and sweep to collection sediment groove in.

In a specific embodiment of the present invention, the driving device includes a motor, a transmission mechanism connecting the motor and the driving shaft, the transmission mechanism includes a first sprocket disposed on the driving shaft and a second sprocket disposed on an output shaft of the motor, and the first sprocket and the second sprocket are connected by a second chain.

In a specific embodiment of the present invention, the slag collecting groove is communicated with the slag discharging pipe along one end of the length direction, and the bottom surface of the slag collecting groove is inclined downward along the direction towards the slag discharging pipe.

In a specific embodiment of the present invention, the bottom of the flotation tank and the bottom of the flocculation tank are both provided with an evacuation pipe, and the evacuation pipe is provided with a third valve.

The utility model discloses a technical scheme has following advantage or one of beneficial effect at least among the above-mentioned technical scheme:

the leather sewage treatment equipment comprises the steps that sewage is conveyed into an air floatation tank through a water inlet pipe, air is introduced into the air floatation tank through an oxygen exposure module to oxidize and degrade pollutants in the sewage, and grease and floating slag floating in the air floatation tank are scraped and swept into a slag collecting tank through a slag scraping module; and then opening the first valve, conveying the sewage treated in the air floatation tank to a flocculation tank, further precipitating to remove residual pollutants in the sewage, after the precipitation is finished, opening the second valve, discharging water into a clean water tank, and conveying the sewage to the outside through a drain pipe.

Drawings

The present invention will be further described with reference to the accompanying drawings and examples;

fig. 1 is a schematic structural diagram of a first embodiment of the present invention;

FIG. 2 is a sectional view of the air flotation tank according to the first embodiment of the present invention;

FIG. 3 is a top view of the slag scraping module according to the first embodiment of the present invention;

fig. 4 is a front view of the slag scraping module removing drive device according to the first embodiment of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more features.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the term "connected" is to be interpreted broadly, and may be, for example, a fixed connection or a movable connection, a detachable connection or a non-detachable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or may be connected through one or more other elements or indirectly connected through one or more other elements or in an interactive relationship between two elements.

The following disclosure provides many different embodiments or examples for implementing different aspects of the invention.

Referring to fig. 1 to 4, in an embodiment of the present invention, a leather sewage treatment apparatus includes an air flotation tank 1, a flocculation tank 2 and a clean water tank 3, wherein the air flotation tank 1 is connected with a water inlet pipe 11, the clean water tank 3 is connected with a water outlet pipe 31, a water outlet of the air flotation tank 1 is communicated with a water inlet of the flocculation tank 2, a water outlet of the flocculation tank 2 is communicated with a water inlet of the clean water tank 3, an oxygen exposure module 4 is arranged in the air flotation tank 1, a residue scraping module 5 is arranged on the upper portion of the air flotation tank 1, a residue collecting tank 12 is arranged on one side of the air flotation tank 1, and the residue scraping module 5 operates to scrape and sweep scum on the surface of the air flotation tank 1 into the residue collecting tank 12; the water inlet of the flocculation tank 2 is provided with a first valve 21, and the water inlet of the clean water tank 3 is provided with a second valve 32.

The leather sewage treatment equipment firstly conveys sewage into an air floatation tank 1 through a water inlet pipe 11, gas is introduced into the air floatation tank 1 through an oxygen exposure module 4 to oxidize and degrade pollutants in the sewage, and grease and scum floating in the air floatation tank 1 are scraped and swept into a scum collecting tank 12 through a scum scraping module 5; and then opening the first valve 21, conveying the sewage treated in the air floatation tank 1 to the flocculation tank 2, further precipitating to remove the residual pollutants in the sewage, after the precipitation is finished, opening the second valve 32, discharging the water into the clean water tank 3, and conveying the water to the outside through a drain pipe.

Preferably, the system further comprises a flocculant preparation tank 6, wherein the flocculant preparation tank 6 is communicated with the flocculation tank 2 through a feeding pipe 61, a water pump 62 is arranged on the feeding pipe 61, a worker prepares a flocculant in the flocculant preparation tank 6, and then the flocculant in the flocculant preparation tank 6 is pumped into the flocculation tank 2 by using the water pump 62; of course, a manner in which workers directly pour the flocculant into the flocculation tank 2 is also possible.

Preferably, a filter screen 33 is disposed at the water inlet of the clean water tank 3, sewage may generate some floccules after being treated by the flocculation tank 2, and in order to prevent the floccules from entering the clean water tank 3 along with the water flow, the filter screen 33 is disposed to intercept the floccules, and the filter screen 33 may be sleeved on the valve port of the second valve 32 or may be fixed on the clean water tank 3 to cover the valve port of the second valve 32.

In an embodiment of the present invention, the aeration module 4 includes a dissolved air pump 41, a storage tank 42, and an aeration pipe 43 disposed in the air flotation tank 1, a water inlet end of the dissolved air pump 41 is communicated with the clean water tank 3 through a pipeline, a water outlet end of the dissolved air pump 41 is communicated with the storage tank 42, and the storage tank 42 is communicated with the aeration pipe 43; the solution pump 41 mixes water and gas and transfers the mixture to the storage tank 42, and the storage tank 42 discharges water containing a large amount of gas to the flotation tank 1 through the oxygen aeration pipe 43.

Preferably, the oxygen exposure pipe 43 extends to the bottom of the air floatation tank 1, and the gas in the oxygen exposure pipe 43 can move upwards from the bottom of the air floatation tank 1, is fully mixed with sewage, has a better oxidation degradation effect, and can bring residues in water to the water surface, and then is scraped and swept by the residue scraping module 5.

Specifically, the scum scraping module 5 comprises a driving shaft 51 and a driven shaft 52 which are arranged in parallel with the scum collecting groove 12, wherein at least two driving sprockets 53 are arranged on the driving shaft 51, driven sprockets 54 which are opposite to the driving sprockets 53 one by one are arranged on the driven shaft 52, first chains 55 are arranged on the corresponding driving sprockets 53 and the corresponding driven sprockets 54, at least one scraping plate 56 which is parallel to the scum collecting groove 12 is arranged between the first chains 55, the driving shaft 51 is driven to rotate by a driving device 57, the driving sprockets 53 are driven to rotate, the first chains 55 are further driven to move, and the scraping plate 56 moves along with the first chains 55 to scrape scum into the scum collecting groove 12.

In one embodiment of the present invention, the driving device 57 comprises a motor 571 and a transmission mechanism 572 connecting the motor 571 and the driving shaft 51, the transmission mechanism 572 comprises a first chain wheel 5721 disposed on the driving shaft 51 and a second chain wheel 5722 disposed on the output shaft of the motor 571, the first chain wheel 5721 and the second chain wheel 5722 are connected by a second chain 5723; the motor 571 rotates the second sprocket 5722, which in turn drives the first sprocket 5721 to rotate, and the driven shaft 52 rotates along with the first sprocket 5721. It should be noted that the electric motor 571 in this embodiment can be replaced by a pneumatic motor or a hydraulic motor; the drive mechanism 572 may also be a synchronous belt drive assembly or a gear reduction gearbox.

In one embodiment of the present invention, the slag collecting groove 12 is communicated with the slag discharging pipe 13 along the length direction, the bottom surface of the slag collecting groove 12 is downwardly inclined along the direction towards the slag discharging pipe 13, and the grease and the scum are discharged and collected through the slag discharging pipe 13 in the sliding down from the bottom surface of the slag collecting groove 12 to the slag discharging pipe 13.

Preferably, the bottom of the air flotation tank 1 and the bottom of the flocculation tank 2 are both provided with an emptying pipe 14, the bottoms of the air flotation tank 1 and the flocculation tank 2 are provided with sediments and need to be cleaned after sewage treatment, so the emptying pipe 14 is arranged to facilitate cleaning, the emptying pipe 14 is provided with a third valve 15, and the third valve 15 is opened only when cleaning is needed.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. The leather sewage treatment equipment is characterized by comprising an air floatation tank, a flocculation tank and a clean water tank, wherein the air floatation tank is connected with a water inlet pipe, the clean water tank is connected with a water outlet pipe, a water outlet of the air floatation tank is communicated with a water inlet of the flocculation tank, a water outlet of the flocculation tank is communicated with a water inlet of the clean water tank, an oxygen exposure module is arranged in the air floatation tank, a residue scraping module is arranged at the upper part of the air floatation tank, a residue collecting groove is arranged at one side of the air floatation tank, and scum on the surface of the air floatation tank is scraped and swept into the residue collecting groove by the residue scraping module in operation; the water inlet of the flocculation tank is provided with a first valve, and the water inlet of the clean water tank is provided with a second valve.

2. The leather sewage treatment equipment of claim 1, further comprising a flocculant preparation tank, wherein the flocculant preparation tank is communicated with the flocculation tank through a feeding pipe, and a water pump is arranged on the feeding pipe.

3. The leather sewage treatment device of claim 1, wherein a filter screen is arranged at the water inlet of the clean water tank.

4. The leather sewage treatment equipment according to claim 1, wherein the oxygen aeration module comprises a dissolved air pump, a storage tank and an oxygen aeration pipe arranged in the air flotation tank, wherein the water inlet end of the dissolved air pump is communicated with the clean water tank through a pipeline, the water outlet end of the dissolved air pump is communicated with the storage tank, and the storage tank is communicated with the oxygen aeration pipe.

5. The leather sewage treatment plant of claim 4, wherein the oxygen aeration pipe extends to the bottom of the air flotation tank.

6. The leather sewage treatment equipment according to claim 1, wherein the scum scraping module comprises a driving shaft and a driven shaft which are arranged in parallel with the scum collecting groove, at least two driving sprockets are arranged on the driving shaft, driven sprockets which are opposite to the driving sprockets one by one are arranged on the driven shaft, first chains are arranged on the corresponding driving sprockets and the corresponding driven sprockets, at least one scraping plate which is parallel to the scum collecting groove is arranged between the two first chains, the driving shaft is driven to rotate by a driving device, and the scraping plate moves along with the first chains to scrape scum into the scum collecting groove.

7. The leather sewage treatment device of claim 6, wherein the driving device comprises a motor and a transmission mechanism connecting the motor and the driving shaft, the transmission mechanism comprises a first chain wheel arranged on the driving shaft and a second chain wheel arranged on an output shaft of the motor, and the first chain wheel and the second chain wheel are connected through a second chain.

8. The leather sewage treatment device of claim 1, wherein one end of the slag collecting groove in the length direction is communicated with a slag discharge pipe, and the bottom surface of the slag collecting groove is inclined downwards in the direction towards the slag discharge pipe.

9. The leather sewage treatment equipment according to claim 1, wherein the bottoms of the air flotation tank and the flocculation tank are provided with emptying pipes, and the emptying pipes are provided with third valves.