CN215209004U - Coal-containing wastewater treatment system - Google Patents

Abstract

The utility model provides a coal-containing wastewater treatment system, including adjusting the sedimentation tank, high-density screening case, first rose box, second rose box and filtration return water case, high-density screening case is including first separation chamber, second separation chamber and third separation chamber, the third separation chamber is including drainage mechanism, first separation chamber is including first (mixing) shaft and second (mixing) shaft, the equal flabellum in surface of first (mixing) shaft and second (mixing) shaft, the one end of first (mixing) shaft is equipped with driving motor, the second separation chamber is including a backward flow section of thick bamboo and first pivot, the surface partition of a backward flow section of thick bamboo is equipped with four backward flow baffles, the surface of pivot is equipped with the gyration flabellum, the third separation chamber is including the second pivot, the one end partition of second pivot is equipped with two U-shaped pieces, one side of U-shaped piece is equipped with the blend stop. The utility model discloses a better filter effect, and have more perfect stage filtration in the device, can effectively separate the polymorphic type impurity in the coal-containing wastewater, ensured the quality of the ejection of compact, improved the practicality of device.

Description

Coal-containing wastewater treatment system

Technical Field

The utility model relates to the technical field of coal wastewater treatment, in particular to a coal-containing wastewater treatment system.

Background

The coal-containing waste water is mainly characterized by high turbidity, fine solid particle size, more negative charges on the surface of solid particles, and the repulsion among the charges with the same polarity makes the particles keep a dispersed state in water and be influenced by gravity and Brownian motion. Due to the interaction (such as adsorption, dissolution, chemical combination and the like) among solid particle interfaces in the coal slurry water, the properties of the coal washing wastewater are quite complex, and the coal washing wastewater not only has the properties of suspension, but also has the properties of colloid, so a coal-containing wastewater treatment system is required by a factory.

For example, CN201620754393.X, comprises a coal-containing water pool, an electronic flocculator, a coal water centrifugal clarifying reactor, wherein the coal-containing water pool is connected with the electronic flocculator through a first feeding pipe, the electronic flocculator is connected with the coal water centrifugal clarifying reactor through a second feeding pipe, the coal water centrifugal clarifying reactor is provided with a discharge port for water discharge and a feed port for coal discharge, the discharge port is connected with the coal water clarifying pool, the feed port is connected with a discharge pipeline, the coal water clarifying pool is connected with a granular medium filter connected with a third feeding pipe, the granular medium filter is connected with a clean water pool, the clean water pool is connected with a water pipe, the third feeding pipe and the first feeding pipe are respectively provided with a return pipe, the return pipe is connected with the coal-containing water pool, the coal water pool is internally provided with a settling zone for coal slime precipitation, a clean water zone and a feeding zone, the settling zone is connected with the clean water zone through an overflow pipeline, be equipped with the apopore that links to each other with the feed area in the clear water district, first conveying pipe sets up in the feed area, and this patent is though can normal operating, and the filter effect is relatively poor, and the stage filtration in the device is more single, can not carry out effective separation to the polymorphic type impurity in the coal-containing waste water, has influenced the quality of the ejection of compact, has reduced the practicality of device.

SUMMERY OF THE UTILITY MODEL

The utility model mainly provides a coal-containing wastewater treatment system for solve the technical problem provided in the above background art.

The utility model provides a technical scheme that above-mentioned technical problem adopted does:

the coal-containing wastewater treatment system comprises a regulating sedimentation tank, a high-density screening box, a first filtering box, a second filtering box and a filtering return water box, wherein the high-density screening box comprises a first separation cabin, a second separation cabin and a third separation cabin, the inner wall of the third separation cabin is provided with a water filtering mechanism, and the top of the regulating sedimentation tank is provided with a chemical inlet;

the first separation cabin comprises a first stirring shaft and a second stirring shaft, the surfaces of the first stirring shaft and the second stirring shaft are respectively provided with a plurality of fan blades, one end of the first stirring shaft is provided with a driving motor, and the inner wall of the first separation cabin is provided with two separation plates;

the second separation cabin comprises a backflow cylinder and a first rotating shaft, the surface of the backflow cylinder is provided with four backflow baffles in an equal division manner, and one end of the rotating shaft is provided with four rotary fan blades in an equal division manner;

the third separation cabin comprises a second rotating shaft, two U-shaped blocks are arranged at one end of the second rotating shaft in an equal dividing mode, and three barrier strips are arranged on one side of each U-shaped block in an equal dividing mode.

Preferably, the surfaces of the first stirring shaft, the second stirring shaft, the first rotating shaft and the second rotating shaft are provided with driving wheels, and the driving wheels are connected through a driving belt. In the preferred embodiment, the transmission connection among the first stirring shaft, the second stirring shaft, the first rotating shaft and the second rotating shaft can be realized through the transmission wheel and the transmission belt.

Preferably, the water filtering mechanism comprises a filtering block and a water chute, the water chute comprises a water guide pipe, and a plurality of water guide holes are formed in two sides of the water guide pipe in an equally-divided manner. In the preferred embodiment, the filter block, the water chute, the water guide pipe and the water guide hole can realize the function of separating and filtering larger particles in the wastewater.

Preferably, the first filter box comprises a screening layer, the screening layer is an activated carbon layer, a filter screen is arranged at the top of the activated carbon layer, and the filter screen is a polypropylene fiber layer. In the preferred embodiment, the screening layer is an activated carbon layer, and the filtering net is a polypropylene fiber layer, so that the effect of primary separation and water filtration of smaller particles in the wastewater can be realized.

The inner wall of second rose box is by top to bottom including first filter layer, second filter layer, third filter layer and fourth filter layer in proper order, first filter layer is the manganese sand filter layer, the second filter layer is fine sand filter layer, the third filter layer is the coarse sand filter layer, the fourth filter layer is the coarse sand bed course. In the preferred embodiment, the first filter layer, the second filter layer, the third filter layer and the fourth filter layer can realize the function of secondary separation and water filtration of smaller particles in the wastewater.

Preferably, the inner bottom wall of the filtering water return tank is equally provided with a plurality of filtering membranes. In the preferred embodiment, the filtering membrane can separate and filter the extremely fine impurities in the wastewater.

Preferably, the adjusting sedimentation tank, the high-density screening box, the first filtering box, the second filtering box and the filtering water return box are sequentially connected through a corrosion-resistant diaphragm pump. In the preferred embodiment, the function of transferring water between wastewater treatment facilities is achieved by a corrosion-resistant diaphragm pump.

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

the utility model discloses an adjust the sedimentation tank, high-density screening case, first rose box, the second rose box, filter the return water case, first separation cabin, the second separation cabin, the third separation cabin, drainage mechanism, go into the medicine mouth, first (mixing) shaft, the second (mixing) shaft, the flabellum, driving motor, the division board, the backward flow section of thick bamboo, first pivot, the backward flow baffle, gyration flabellum, the second pivot, U-shaped piece and blend stop, better filter effect has been realized, and there is more perfect stage filtration in the device, can carry out effective separation to the polymorphic type impurity in the coal-containing waste water, the quality of the ejection of compact has been ensured, the practicality of device has been improved.

The present invention will be explained in detail with reference to the drawings and specific embodiments.

Drawings

FIG. 1 is an isometric view of the overall structure of the present invention;

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

FIG. 3 is a cross-sectional view of the high density screening box of the present invention;

fig. 4 is an enlarged view of the area a in fig. 2 according to the present invention;

fig. 5 is an enlarged view of the area B in fig. 2 according to the present invention;

fig. 6 is an enlarged view of the region C in fig. 2 according to the present invention.

In the figure: 1. adjusting a sedimentation tank; 10. a medicine inlet; 2. high-density screening boxes; 20. a driving wheel; 200. a transmission belt; 201. a partition plate; 21. a first separation compartment; 211. a first stirring shaft; 212. a fan blade; 213. a second stirring shaft; 22. a second separation compartment; 221. a reflux drum; 222. a reflux baffle; 223. a first rotating shaft; 224. rotating fan blades; 23. a third separation chamber; 230. a water filtering mechanism; 231. a second rotating shaft; 232. a U-shaped block; 233. blocking strips; 24. a filter block; 25. a water chute; 251. a water conduit; 252. a water guide hole; 3. a first filter tank; 31. a screening layer; 32. a filter screen; 4. a second filter tank; 41. a first filter layer; 42. a second filter layer; 43. a third filter layer; 44. a fourth filter layer; 5. filtering and returning the water to the tank; 51. a filter membrane; 6. a drive motor; 7. a corrosion-resistant diaphragm pump.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully with reference to the accompanying drawings, in which several embodiments of the present invention are shown, but the present invention can be implemented in different forms, and is not limited to the embodiments described in the text, but rather, these embodiments are provided to make the disclosure of the present invention more thorough and comprehensive.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the use of the term knowledge in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

In the embodiment, referring to fig. 1-3, the coal-containing wastewater treatment system comprises a regulating sedimentation tank 1, a high-density screening tank 2, a first filtering tank 3, a second filtering tank 4 and a filtering return water tank 5, wherein the high-density screening tank 2 comprises a first separation chamber 21, a second separation chamber 22 and a third separation chamber 23, a water filtering mechanism 230 is arranged on the inner wall of the third separation chamber 23, a chemical inlet 10 is arranged at the top of the regulating sedimentation tank 1, the first separation chamber 21 comprises a first stirring shaft 211 and a second stirring shaft 213, a plurality of blades 212 are arranged on the surfaces of the first stirring shaft 211 and the second stirring shaft 213 and connected through bolts, a driving motor 6 (model 5GU-180K) is arranged at one end of the first stirring shaft 211, two partition plates 201 are arranged on the inner wall of the first separation chamber 21 and connected through bolts, the second separation chamber 22 comprises a return cylinder 221 and a first rotating shaft 223, the surface of the backflow cylinder 221 is equally divided into four backflow baffles 222 which are connected through bolts, one end of the rotating shaft 223 is equally divided into four rotating fan blades 224 which are connected through bolts, the third separation chamber 23 comprises a second rotating shaft 231, one end of the second rotating shaft 231 is equally divided into two U-shaped blocks 232, one side of each U-shaped block 232 is equally divided into three barrier strips 233 which are connected through bolts, the surfaces of the first stirring shaft 211, the second stirring shaft 213, the first rotating shaft 223 and the second rotating shaft 231 are respectively provided with a driving wheel 20 which are connected through bolts, a plurality of driving wheels 20 are connected through a driving belt 200, the transmission connection among the first stirring shaft 211, the second stirring shaft 213, the first rotating shaft 223 and the second rotating shaft 231 can be realized through the driving wheels 20 and the driving belt 200, the water filtering mechanism 230 comprises a filter block 24 and a water guiding groove 25, the water guiding groove 25 comprises a water guiding pipe 251, the two sides of the water guide pipe 251 are equally provided with a plurality of water guide holes 252, and the function of separating and filtering larger particles in the wastewater can be realized through the filter block 24, the water guide groove 25, the water guide pipe 251 and the water guide holes 252.

In an embodiment, referring to fig. 1, 2, 4 and 5, the first filtering tank 3 includes a filtering layer 31, the filtering layer 31 is an activated carbon layer, a filtering net 32 is disposed on the top of the activated carbon layer and connected by bolts, the filtering net 32 is a polypropylene fiber layer, the filtering layer 31 is the activated carbon layer, and the filtering net 32 is the polypropylene fiber layer, so as to realize an effect of primarily separating and filtering smaller particles in wastewater, the inner wall of the second filtering tank 4 sequentially includes a first filtering layer 41, a second filtering layer 42, a third filtering layer 43 and a fourth filtering layer 44 from top to bottom, the first filtering layer 41 is a manganese sand filtering layer, the second filtering layer 42 is a fine sand filtering layer, the third filtering layer 43 is a coarse sand filtering layer, the fourth filtering layer 44 is a coarse sand cushion layer, and the first filtering layer 41, the second filtering layer 42, the fourth filtering layer 44 is a coarse sand cushion layer, The third filter layer 43 and the fourth filter layer 44 can perform the function of secondary separation and water filtration on smaller particles in the wastewater.

In the embodiment, referring to fig. 1, 2 and 6, a plurality of filtering membranes 51 are equally arranged on the inner bottom wall of the filtering and water-returning tank 5, and the filtering membranes 51 are connected by bolts to separate and filter the very fine impurities in the wastewater, and the adjusting sedimentation tank 1, the high-density screening tank 2, the first filtering tank 3, the second filtering tank 4 and the filtering and water-returning tank 5 are sequentially connected by a corrosion-resistant diaphragm pump 7 (model T2), and are connected by bolts to transmit water among wastewater treatment mechanisms by the corrosion-resistant diaphragm pump 7.

The utility model discloses a concrete operation as follows:

firstly, coal-containing wastewater is sent into a regulating sedimentation tank 1 through a pipeline, then reaction bacteria are put into the regulating sedimentation tank 1 through a chemical inlet 10 to separate bacterial impurities in the coal-containing wastewater from water, then the wastewater is sent into a first separation cabin 21 in a high-density screening box 2 through a corrosion-resistant diaphragm pump 7, then a driving motor 6 is started, a first stirring shaft 211 and a second stirring shaft 213 drive fan blades 212 to primarily stir the wastewater to primarily separate the impurities from the water, then the wastewater enters a second separation cabin 22, meanwhile, a first rotating shaft 223 drives a rotary fan blade 224 to rotate to enable the wastewater to flow back and forth between a backflow baffle plate 222 and a backflow cylinder 221 to secondarily separate the impurities from the water, then the wastewater enters a third separation cabin 23, meanwhile, a second rotating shaft 231 drives a U-shaped block 232 and a baffle strip 233 to rotate to separate large-particle impurities from the water in the wastewater, and then the wastewater enters a water guide pipe 251 through a filter block 24 and a water guide hole 252, the big granule of remaining in the waste water this moment is attached to on filtering block 24, then waste water gets into first rose box 3 through corrosion-resistant diaphragm pump 7, through filter screen 32 and screening layer 31 with the less impurity and the separation of water in the waste water, then waste water gets into second rose box 4 through corrosion-resistant diaphragm pump 7, through first filter layer 41, second filter layer 42, third filter layer 43 and fourth filter layer 44, carry out abundant separation with more tiny impurity and water in the waste water, later waste water sends into filtration return water tank 5 through corrosion-resistant diaphragm pump 7, waste water carries out the separation of final tiny impurity and water through a plurality of filtration diaphragm 51, water after the final treatment is sent back to the mill by one side pipeline of filtering return water tank 5 and is used.

The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, if the method and the technical solution of the present invention are adopted, the present invention can be directly applied to other occasions without substantial improvement, and the present invention is within the protection scope of the present invention.

Claims (7)

1. The coal-containing wastewater treatment system comprises a regulating sedimentation tank (1), a high-density screening box (2), a first filtering box (3), a second filtering box (4) and a filtering water return box (5), and is characterized in that the high-density screening box (2) comprises a first separation cabin (21), a second separation cabin (22) and a third separation cabin (23), a water filtering mechanism (230) is arranged on the inner wall of the third separation cabin (23), and a chemical inlet (10) is formed in the top of the regulating sedimentation tank (1);

the first separation cabin (21) comprises a first stirring shaft (211) and a second stirring shaft (213), the surfaces of the first stirring shaft (211) and the second stirring shaft (213) are respectively provided with a plurality of fan blades (212), one end of the first stirring shaft (211) is provided with a driving motor (6), and the inner wall of the first separation cabin (21) is provided with two separation plates (201);

the second separation cabin (22) comprises a backflow cylinder (221) and a first rotating shaft (223), the surface of the backflow cylinder (221) is equally divided into four backflow baffles (222), and one end of the rotating shaft (223) is equally divided into four rotating fan blades (224);

the third separation cabin (23) comprises a second rotating shaft (231), two U-shaped blocks (232) are arranged at one end of the second rotating shaft (231) in an equant mode, and three barrier strips (233) are arranged on one side of each U-shaped block (232) in an equant mode.

2. The coal-containing wastewater treatment system according to claim 1, wherein the surfaces of the first stirring shaft (211), the second stirring shaft (213), the first rotating shaft (223) and the second rotating shaft (231) are provided with driving wheels (20), and the driving wheels (20) are connected through a driving belt (200).

3. The coal-containing wastewater treatment system according to claim 1, wherein the water filtering mechanism (230) comprises a filtering block (24) and a water chute (25), the water chute (25) comprises a water guiding pipe (251), and a plurality of water guiding holes (252) are equally arranged on two sides of the water guiding pipe (251).

4. The coal-containing wastewater treatment system according to claim 1, wherein the first filter tank (3) comprises a filter layer (31), the filter layer (31) is an activated carbon layer, a filter screen (32) is arranged on the top of the activated carbon layer, and the filter screen (32) is a polypropylene fiber layer.

5. The coal-containing wastewater treatment system according to claim 1, wherein the inner wall of the second filter tank (4) comprises a first filter layer (41), a second filter layer (42), a third filter layer (43) and a fourth filter layer (44) from top to bottom in sequence, the first filter layer (41) is a manganese sand filter layer, the second filter layer (42) is a fine sand filter layer, the third filter layer (43) is a coarse sand filter layer, and the fourth filter layer (44) is a coarse sand cushion layer.

6. The coal-containing wastewater treatment system according to claim 1, wherein the inner bottom wall of the filter water return tank (5) is equally divided into a plurality of filter membranes (51).

7. The coal-containing wastewater treatment system according to claim 1, wherein the adjusting sedimentation tank (1), the high-density screening tank (2), the first filtering tank (3), the second filtering tank (4) and the filtering water return tank (5) are connected in sequence through a corrosion-resistant diaphragm pump (7).

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