CN212174636U - Waste water recycle device is used in leather processing - Google Patents

Abstract

The utility model discloses a wastewater recycling device for leather processing, which comprises a water tank, wherein the right end of the water tank is provided with a notch, a first stainless steel filter screen is arranged in the gap through a bolt, a first sedimentation tank and a second sedimentation tank are arranged below the right end of the first stainless steel filter screen, a first water pump and a second water pump are respectively and fixedly arranged at the right sides of the first sedimentation tank and the second sedimentation tank, a bracket is fixedly arranged at the right side of the first water pump and the second water pump, a chute is welded above the bracket, the five filter layers are welded on the chute, the disinfection tank is fixedly arranged below the right side of the chute, the third water pump is fixedly arranged on the right side of the disinfection tank, the multi-layer device purifies the wastewater, so that the wastewater reaches the standard of recycling, the device is low in cost, clear in principle, simple in actual operation and easy to popularize.

Description

A device for recycling wastewater for leather processing

technical field

The utility model relates to the technical field of waste water recycling, in particular to a waste water recycling device for leather processing.

Background technique

On the earth, where there is water, there is life. All life activities originate from water. At present, the world is facing two major problems of freshwater shortage and water pollution. In modern industry, there is no industrial sector that does not use water. , and there is no industry that is not directly or indirectly related to water.

The leather processing industry is closely related to life. A large amount of waste water will be generated in the leather processing process. The industrial waste water can be discharged after treatment to meet the discharge requirements. However, the treated waste water still contains a large amount of pollutants, which will cause damage to the environment and cause damage to the environment. Water resources are wasted, so it is necessary to recycle these wastewaters. However, at present, the cost of wastewater recycling is high, and the recycling efficiency is low, and it is difficult to meet the requirements of industrial wastewater recycling.

Utility model content

The purpose of this utility model is to provide a waste water recycling device for leather processing, including a water tank, a gap is formed at the right end of the water tank, and a first stainless steel filter screen is installed in the gap through bolts, and the first stainless steel filter screen A first settling tank and a second settling tank are opened below the right end, a first water pump is fixedly installed on the right side of the first settling tank, a second water pump is fixedly installed on the right side of the second settling tank, and the first water pump and the A bracket is fixedly installed on the right side of the second water pump, a chute is welded above the bracket, and the suction ports of the first water pump and the second water pump are connected to the first sedimentation tank and the second water pump through pipes. In the second sedimentation tank, the drains of the first water pump and the second water pump are connected to the chute through pipes, a top cover is hinged above the chute, and a filter device is arranged inside the chute. A disinfection tank is fixedly installed on the lower right side of the chute, and a third water pump is fixedly installed on the right side of the disinfection tank.

Preferably, the bottom of the water tank is inclined to the right.

Preferably, four brackets are installed, and a tripod bracket is installed between the four brackets through bolts.

Preferably, five L-shaped filter layers are welded on the chute, and the L-shaped filter layers from top to bottom are respectively provided with a second stainless steel filter screen layer, a rice stone layer, a quartz sand layer, an activated carbon layer, The third stainless steel filter screen layer has a plurality of small holes at the bottom of the five L-shaped filter layers, and the rice stone layer, the quartz sand layer and the activated carbon layer are all packed in cloth bags.

Preferably, the wastewater in the disinfection tank is disinfected by chlorine dioxide.

Preferably, the water tank is connected with a main pipeline, and the main pipeline communicates with the first sedimentation tank and the second sedimentation tank through a first branch pipeline and a second branch pipeline respectively, and the first branch pipeline is installed on the There is a first valve, and a second valve is installed on the second branch pipe.

Preferably, the filtration precision of the first stainless steel filter screen is 4.75 mm, and the mesh number is 4. The filtration precision of the second stainless steel filter screen layer is 1 mm and the mesh number is 4. The filtration precision is 0.5mm and the mesh number is 32.

Compared with the prior art, the beneficial effects of the present utility model are:

1. In this scheme, the cost of recycling wastewater for leather processing is low, the principle is clear, the actual operation is simple, and it is easy to popularize. While saving water, it reduces the cost of production and processing, increases revenue, and reduces environmental pollution.

2. Set up branch pipes, which can use the sedimentation tank in turn, which is helpful for the subsequent sludge cleaning work, so that the recycling of wastewater can be carried out in a sustainable cycle.

Description of drawings

Figure 1 is a schematic structural diagram of the utility model.

FIG. 2 is a top view of the pipeline connection of the utility model.

FIG. 3 is a top view of the L-shaped filter layer of the present invention.

Figure 4 is a schematic diagram of the interior of the chute of the present invention.

In the picture: 1. Water tank; 2. The first stainless steel filter screen; 3. The first sedimentation tank; 4. The first water pump; Bracket; 10. Second stainless steel filter layer; 11. Rice stone layer; 12. Quartz sand layer; 13. Activated carbon layer; 14. Third stainless steel filter layer; 15. Disinfection tank; 16. Third water pump; 17 18, the first valve; 19, the second valve; 20, the main pipeline; 21, the first branch pipeline; 22, the second branch pipeline; 23, the second water pump; 26, the small hole.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

The same or similar components are identified by the same reference numerals in different drawings; please also understand that text such as "first", "second", "third", "upper", "lower", "front", "rear" , "inner", "outer", "end", "portion", "section", "width", "thickness", "area", etc. and similar terms are provided for convenience only by the reader with reference to the It is only to help describe the present invention, and is not intended to limit the present invention.

1-4, the present utility model provides a technical solution: a waste water recycling device for leather processing, including a water tank 1, and a gap is formed at the right end of the water tank 1, so that the water in the water tank 1 can be collected to the first In the sedimentation tank 3 and the second sedimentation tank 17, the bottom of the water tank 1 is inclined to the right.

In order to prevent a large amount of leather waste from entering the first sedimentation tank 3 and the second sedimentation tank 17, a first stainless steel filter screen 2 is installed in the gap through bolts.

In order to enable efficient recycling of waste water, a first sedimentation tank 3 and a second sedimentation tank 17 are provided below the right end of the first stainless steel filter screen 2. The water tank 1 is connected with a main pipeline 20, and the main pipeline 20 passes through the first branch pipelines 21 and 20 respectively. The second branch pipe 22 is communicated with the first sedimentation tank 3 and the second sedimentation tank 17, the first branch pipe 21 is installed with the first valve 18, and the second branch pipe 22 is installed with the second valve 19. By controlling the first valve 18 and the switch of the second valve 19 guide the waste water to flow into the first sedimentation tank 3 or the second sedimentation tank 17. When the first valve 18 is opened and the second valve 19 is closed, the waste water flows to the first sedimentation tank 3, and the second sedimentation tank. The tank 17 cleans the sludge. When the first valve 18 is closed and the second valve 19 is opened, the waste water flows to the second sedimentation tank 17. At this time, the first sedimentation tank 3 performs the sludge cleaning.

A first water pump 4 is fixedly installed on the right side of the first sedimentation tank 3, a second water pump 23 is fixedly installed on the right side of the second sedimentation tank 17, and a bracket 8 is fixedly installed on the right side of the first water pump 4 and the second water pump 23, above the bracket 8 A chute 7 is fixedly installed, and the suction ports 6 of the first water pump 4 and the second water pump 23 are connected to the first sedimentation tank 3 and the second sedimentation tank 17 through pipelines. The water outlet 5 of a water pump 4 and the second water pump 23 are connected to the chute 7 through pipes. The waste water is drawn out and discharged into the chute 7 .

A bracket 8 is fixedly installed on the right side of the first water pump 4 and the second water pump 23 , and four brackets 8 are installed. In order to make the brackets 8 more stable, a triangular bracket 9 is installed between the four brackets 8 through bolts.

A chute 7 is fixedly welded on the top of the bracket 8. In order to prevent waste water from overflowing the chute 7, a top cover is hinged above the chute 7. The top cover can be opened and is also conducive to the cleaning work in the chute 7 in the later stage. There are five welded in the chute 7. There are L-shaped filter layers. In order to make the waste water flow down the chute 7, a plurality of small holes 26 are opened at the bottom of the five L-shaped filter layers, and a second stainless steel filter mesh layer is respectively arranged inside the L-shaped filter layers from top to bottom. 10, for intercepting large particles in the wastewater discharged by the first water pump 4.

The rice stone provided in the rice stone layer 11 is rich in various trace elements necessary for the human body, which is used for water purification and sewage treatment, and has a strong adsorption effect on bacteria, and the medical stone resources in my country are extremely rich.

The quartz sand layer 12 is provided with quartz sand. The characteristics of the quartz sand are: no impurities, compression and wear resistance, high mechanical strength, stable chemical properties, strong pollution interception ability, long service cycle, etc. The quartz sand layer 12 is used to remove water Suspended solids are very effective and are an important link in advanced sewage treatment, sewage reuse and water supply treatment. Its function is to further remove the flocculated pollutants in the water. Purpose.

The activated carbon provided in the activated carbon layer 13 can remove different colors, odors and heavy metals such as mercury, lead, cadmium, zinc, iron, manganese, chromium and other heavy metals in clean water, and can also remove arsenic, hydride, sulfide, residual Chlorine and other macromolecular compounds and strontium, radium and other radioactive substances, remove and kill bacteria and Escherichia coli and other carcinogens in water.

In order to prevent debris from the rice stone layer 11, the quartz sand layer 12, and the activated carbon layer 13 from long-term wear and tear from flowing into the disinfection tank 15 along the chute 7, causing secondary pollution, the fifth L layer in the chute 7 is provided with a second Layer 14 of three stainless steel filters.

In order to intercept foreign objects of different specifications in the wastewater, the filtration precision of the first stainless steel filter screen 2 is 4.75mm, the mesh number is 4, the filtration precision of the second stainless steel filter screen layer 10 is 1mm, the mesh number is 4, and the third stainless steel filter mesh The filtering precision of the layer 14 is 0.5mm, and the mesh number is 32.

The rice stone layer 11, the quartz sand layer 12, and the activated carbon layer 13 are all packed in cloth bags to avoid the impact of the waste water causing gaps, and the waste water directly flows into the next layer.

A disinfection tank 15 is fixedly installed on the lower right side of the chute 7, and the water in the disinfection tank 15 is disinfected by chlorine dioxide. Bacterial propagules, bacterial spores, fungi, mycobacteria and viruses, etc., and these bacteria will not produce drug resistance. Multi-faceted functions, very wide range of uses.

A third water pump 16 is fixedly installed on the right side of the disinfection tank 15. The waste water entering the disinfection tank 15 after being filtered layer by layer can be reused after being sterilized by chlorine dioxide in the disinfection tank 15, and pumped out by the third water pump 16 for use.

How it works: The steps are as follows:

The bottom of the water tank 1 in the tannery is inclined to the right, and the waste water in the water tank 1 flows to the right through the gap into the first sedimentation tank 3 and the second sedimentation tank 17. The gap is installed with a first stainless steel filter screen 2 through bolts. The leather scraps of the block and the precipitated wastewater are pumped out by the first water pump 4 and the second water pump 23. The first water pump 4 and the second water pump 23 discharge the extracted wastewater to the top of the chute 7. The chute 7 is welded by five pumps. The filter layer, from top to bottom, is welded with a second stainless steel filter screen layer 10, the second stainless steel filter screen layer 10 intercepts the larger particles in the wastewater, and the wastewater filtered by the second stainless steel filter screen layer 10 is filtered through the second stainless steel filter screen. The small holes 26 at the bottom of the mesh layer 10 flow into the rice stone layer 11. The rice stone layer 11 purifies the waste water by adsorbing bacteria in the waste water, and the purified waste water through the rice stone layer 11 flows to the quartz sand layer 12. The quartz sand layer 12 can The suspended solids in the water are intercepted, and the filtered wastewater flows to the activated carbon layer 13. The activated carbon layer 13 can remove the different colors and odors in the water and kill a large number of harmful substances. The wastewater purified by the activated carbon layer 13 flows to the third stainless steel filter. The mesh layer 14 and the third stainless steel filter mesh layer 14 are used to intercept the debris generated by the long-term wear of the rice stone layer 11, the quartz sand layer 12 and the activated carbon layer 13, preventing the debris from flowing into the disinfection tank 15 and preventing the debris from entering the disinfection tank. 15 causes secondary pollution, and the waste water enters the disinfection tank 15 from the third stainless steel filter screen layer 14, and the disinfection tank 15 disinfects the waste water by chlorine dioxide, and the disinfected waste water reaches the standard of recycling again. its out.

Therefore, in this solution, the water is filtered through a plurality of devices, so that the water reaches the standard of recycling, the cost is low, the principle is clear, the actual operation is simple, and it is easy to popularize.

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

Claims (7)

1. The utility model provides a waste water recycle device for leather processing, includes basin (1), its characterized in that: a notch is formed in the right end of the water tank (1), a first stainless steel filter screen (2) is installed in the notch through a bolt, a first sedimentation tank (3) and a second sedimentation tank (17) are formed below the right end of the first stainless steel filter screen (2), a first water pump (4) is fixedly installed on the right side of the first sedimentation tank (3), a second water pump (23) is fixedly installed on the right side of the second sedimentation tank (17), a support (8) is installed on the right sides of the first water pump (4) and the second water pump (23) through bolts, a chute (7) is welded above the support (8), water pumping ports (6) of the first water pump (4) and the second water pump (23) are communicated into the first sedimentation tank (3) and the second sedimentation tank (17) through pipelines respectively, a water discharging port (5) of the first water pump (4) and the second water pump (23) is communicated into the chute (7) through a pipeline, the utility model discloses a disinfection device, including chute (7), filter equipment, chute (7) right side below fixed mounting has disinfection pond (15), disinfection pond (15) right side fixed mounting has third water pump (16), third water pump (16) will through the pipeline the waste water after purifying in disinfection pond (15) is taken out and is used.

2. The recycling device of waste water for leather processing according to claim 1, characterized in that: the bottom of the water tank (1) is arranged to incline rightwards.

3. The recycling device of waste water for leather processing according to claim 1, characterized in that: four brackets (8) are installed, and a triangular bracket (9) is installed between the brackets (8) through bolts.

4. The recycling device of waste water for leather processing according to claim 1, characterized in that: five L-shaped filter layers are welded on the chute (7), a second stainless steel filter net layer (10), a rice and wheat stone layer (11), a quartz sand layer (12), an activated carbon layer (13) and a third stainless steel filter net layer (14) are respectively arranged inside the L-shaped filter layers from top to bottom, a plurality of small holes (26) are formed in the bottom of the L-shaped filter layers, and the rice and wheat stone layer (11), the quartz sand layer (12) and the activated carbon layer (13) are all arranged in a cloth bag.

5. The recycling device of waste water for leather processing according to claim 1, characterized in that: the wastewater in the disinfection tank (15) is disinfected by chlorine dioxide.

6. The recycling device of waste water for leather processing according to claim 1, characterized in that: basin (1) intercommunication has trunk line (20), trunk line (20) respectively through first lateral conduit (21) and second lateral conduit (22) with first sedimentation tank (3) with second sedimentation tank (17) intercommunication, install first valve (18) on first lateral conduit (21), install second valve (19) on second lateral conduit (22).

7. The recycling device of leather processing wastewater according to claim 4, characterized in that: the filtering precision of the first stainless steel filtering net layer (2) is 4.75mm, the mesh number is 4, the filtering precision of the second stainless steel filtering net layer (10) is 1mm, the mesh number is 4, the filtering precision of the third stainless steel filtering net layer (14) is 0.5mm, and the mesh number is 32.

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