CN214299723U

CN214299723U - Novel coal tar waste water treatment device

Info

Publication number: CN214299723U
Application number: CN202120117798.3U
Authority: CN
Inventors: 刘正建; 兰晋财; 郭永亭; 董辉
Original assignee: Qingdao Kangjinghui Environmental Technology Group Co ltd
Current assignee: Qingdao Kangjinghui Environmental Technology Group Co ltd
Priority date: 2021-01-18
Filing date: 2021-01-18
Publication date: 2021-09-28
Anticipated expiration: 2031-01-18

Abstract

The utility model belongs to the technical field of coal tar waste water treatment, a novel coal tar waste water treatment device is related to, wherein, including the deoiling pond, there is the air supporting machine one side in deoiling pond through the centrifugal pump intercommunication. The beneficial effects are that, this novel coal tar effluent treatment plant, through deoiling pond, the centrifugal pump, the air supporting machine, first water pump, the equalizing basin, first alkali box that adds, the second water pump, under the combined action of secondary sedimentation tank and clean water basin etc., can carry out the preliminary treatment to coal tar waste water and filter, after the preliminary treatment filters, under deamination mechanism's effect, can be with the ammonia recycle in the waste water, under the effect of multiple-effect filtration evaporation mechanism, can carry out the primary evaporation to the waste water after the deamination, under the combined action of distillation pond, biochemical pond, ultrafiltration subassembly and RO reverse osmosis subassembly, can filter the secondary comdenstion water that evaporation mechanism in-process produced with the multiple-effect, carry out biochemistry again, ultrafiltration and RO, reach emission standard and then discharge.

Description

Novel coal tar waste water treatment device

Technical Field

The utility model belongs to the technical field of coal tar waste water treatment, concretely relates to novel coal tar waste water treatment device.

Background

Coal tar is one of important products in the coking industry, the components of the coal tar are extremely complex, and the coal tar is obtained and utilized after being specially separated and purified in the coal tar industry in most cases. A plurality of chemical products can be obtained by fine processing of the coal tar, but a large amount of toxic wastewater can be generated in the coal tar processing process, and the wastewater contains high-concentration organic matters, cyanogen and other highly toxic substances, has high toxicity and complex components. The organic pollutants are mainly monocyclic or polycyclic aromatic compounds and heterocyclic compounds containing nitrogen, sulfur and oxygen, such as high-concentration phenol, naphthalene, aniline, pyridine, quinoline, benzopyrene, etc. Phenolic compounds are toxic to all organisms, they can inactivate cells and coagulate proteins, polycyclic aromatic hydrocarbons can be carcinogenic and are generally difficult to biodegrade.

The industrial wastewater directly or indirectly enters the soil, and can change the structure of the soil, cause the change of the ecological environment of the soil, including the change of physical properties and chemical properties, the desertification of the soil, the reduction of the fertility and the acid alkalization of the soil. Once the surface water is polluted, the pollution directly affects the agricultural production, and causes the separation of the cell and the cytoplasm wall of the crops, thereby leading the crops to die. And the petroleum substances in the wastewater can block soil particle gaps, prevent crops from absorbing water and nutrient substances, and cause the crops to wither due to the adhesion of an oil film on the crops. The pollutants accumulated in the crops are then carried into livestock and human bodies along with the spreading of the food chain, thereby endangering the health and life safety of human beings.

In order to realize the harmless treatment of the industrial wastewater, many related researches are carried out at home and abroad. These methods are broadly classified into the following categories according to the processing principle: coagulation, supercritical oxidation, ozonization, ultrasonic, Fenton oxidation. Because the coal tar wastewater has different characteristics and different component contents, the coal tar wastewater is difficult to treat by a unified method or a single method. The invention provides a novel coal tar wastewater treatment device which combines the advantages of various methods in the prior coal tar wastewater treatment process, requires alkali in relevant steps in the treatment process, is inconvenient to clean the alkali adhered to the inner wall of an alkali adding box, and is inconvenient to install and fix the alkali adding box.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a novel coal tar waste water treatment device, it has solved and has hardly handled coal tar waste water with unified method or an solitary method to and the alkali box inner wall is difficult to clear up and the inconvenient fixed technical problem of alkali box that adds.

In order to achieve the above object, the utility model provides a following technical scheme: a novel coal tar wastewater treatment device comprises an oil removal tank, wherein one side of the oil removal tank is communicated with an air flotation machine through a centrifugal pump, one side of the air flotation machine is communicated with an adjusting tank through a first water pump, a first alkali adding box is installed on the adjusting tank, the other side of the adjusting tank is communicated with a secondary sedimentation tank through a second water pump, the other side of the secondary sedimentation tank is communicated with a coagulating sedimentation tank, one side of the coagulating sedimentation tank is connected with a filter press through a screw pump, the filter press is communicated with a sand filter tank, the coagulating sedimentation tank is communicated with the sand filter tank through a third water pump, the sand filter tank is communicated with an active carbon filter tank through a fourth water pump, the active carbon filter tank is communicated with a clear water tank through a fifth water pump, the clear water tank is communicated with a deamination mechanism, a second alkali adding box is installed on the deamination mechanism, and the deamination mechanism is communicated with a multi-effect filtering evaporation mechanism, the multi-effect filtering and evaporating mechanism is communicated with a distilled water tank, the distilled water tank is communicated with a biochemical water tank, the biochemical water tank is communicated with an ultrafiltration assembly, the ultrafiltration assembly is communicated with an RO reverse osmosis assembly, and the first alkali adding box and the second alkali adding box are identical in structure.

As a further aspect of the present invention: the first alkali adding box comprises a box body, a first sliding groove and a second sliding groove are formed in two sides of the inner wall of the box body respectively, a motor is fixedly connected with one end of the first sliding groove, a bearing is fixedly connected with the other end of the first sliding groove, a rotating shaft is movably arranged in the bearing in a penetrating mode, a threaded rod is fixedly connected with one end of the rotating shaft, and a threaded cap is connected to the outer surface of the threaded rod in a threaded mode.

As a further aspect of the present invention: the inside fixedly connected with slide bar of second spout, the surface sliding connection of slide bar has the sliding sleeve, the same scraper blade of opposite face fixedly connected with of sliding sleeve and screw cap, one side of scraper blade and the inner wall overlap joint of box.

As a further aspect of the present invention: the bottom of box has seted up the opening, the third spout has been seted up on the box, fixedly connected with electric putter in the third spout, electric putter's other end fixedly connected with baffle, the other end joint of baffle is in the opening.

As a further aspect of the present invention: the bottom of the box body is communicated with a material discharge cylinder, and the position of the material discharge cylinder corresponds to the position of the opening.

As a further aspect of the present invention: a supporting rod is arranged on one side of the box body, and a first threaded hole and a second threaded hole are formed in the supporting rod.

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

1. this novel coal tar wastewater treatment device, through the deoiling pond, the centrifugal pump, the air supporting machine, first water pump, the equalizing basin, first alkali box that adds, the second water pump, under the combined action of secondary sedimentation tank and clean water basin etc., can carry out the preliminary treatment filtration to coal tar wastewater, after the preliminary treatment filters, under deamination mechanism's effect, can be with the ammonia recycle in the wastewater, under the effect of multiple-effect filtration evaporation mechanism, can carry out the first evaporation to the waste water after the deamination, at the distillation pond, biochemical pond, ultrafiltration module and RO reverse osmosis module's combined action under, can filter the secondary comdenstion water that evaporation mechanism in-process produced with the multiple-effect, carry out biochemistry again, ultrafiltration and RO, reach emission standard after, discharge, make coal tar wastewater treatment's treatment effect better.

2. This novel coal tar effluent treatment plant, through the combined action of motor, threaded rod, screw cap, slide bar and sliding sleeve etc. can take the scraper blade to reciprocate to can glue the alkali that glues on the box inner wall and scrape out, guarantee the clean and tidy of box inner wall, under the combined action of first screw hole, second screw hole and bracing piece etc. make things convenient for the installation and the dismantlement of box, under the combined action of electric putter, opening and baffle etc. make things convenient for the unloading of alkali.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the present invention;

fig. 3 is a schematic structural view of the present invention;

in the figure: 1. an oil removal tank; 2. a centrifugal pump; 3. an air flotation machine; 4. a first water pump; 5. a regulating tank; 6. a first caustic addition tank; 7. a second water pump; 8. a secondary sedimentation tank; 9. a filter press; 10. a coagulating sedimentation tank; 11. a third water pump; 12. a sand filtration tank; 13. a fourth water pump; 14. an activated carbon filter tank; 15. a fifth water pump; 16. a clean water tank; 17. a deamination mechanism; 18. a multi-effect filtering and evaporating mechanism; 19. a distilled water pool; 20. a biochemical water tank; 21. an ultrafiltration module; 22. an RO reverse osmosis component; 23. a second alkali adding box; 24. a box body; 25. a threaded cap; 26. a motor; 27. a first chute; 28. a sliding sleeve; 29. a slide bar; 30. a second chute; 31. a support bar; 32. a first threaded hole; 33. a second threaded hole; 34. a discharge cylinder; 35. a baffle plate; 36. an opening; 37. a third chute; 38. an electric push rod.

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.

Examples

Referring to fig. 1-3, the present invention provides the following technical solutions: a novel coal tar wastewater treatment device comprises an oil removal tank 1, one side of the oil removal tank 1 is communicated with an air flotation machine 3 through a centrifugal pump 2, one side of the air flotation machine 3 is communicated with an adjusting tank 5 through a first water pump 4, the bottom of the adjusting tank 5 is provided with an aeration port, a first alkali adding box 6 is installed on the adjusting tank 5, the other side of the adjusting tank 5 is communicated with a secondary sedimentation tank 8 through a second water pump 7, the other side of the secondary sedimentation tank 8 is communicated with a coagulating sedimentation tank 10, one side of the coagulating sedimentation tank 10 is connected with a pressure filter 9 through a screw pump, the pressure filter 9 is communicated with a sand filter tank 12, the coagulating sedimentation tank 10 is communicated with the sand filter tank 12 through a third water pump 11, the sand filter tank 12 is communicated with an active carbon filter tank 14 through a fourth water pump 13, the active carbon filter tank 14 is communicated with a clear water tank 16 through a fifth water pump 15, the clear water tank 16 is communicated with a deamination mechanism 17, and a second alkali adding box 23 is installed on the deamination mechanism 17, the deamination mechanism 17 is communicated with a multi-effect filtering evaporation mechanism 18, the multi-effect filtering evaporation mechanism 18 is communicated with a distillation water tank 19, the distillation water tank 19 is communicated with a biochemical water tank 20, the biochemical water tank 20 is communicated with an ultrafiltration component 21, the ultrafiltration component 21 is communicated with an RO reverse osmosis component 22, the coal tar wastewater can be pretreated and filtered under the combined action of the oil removal tank 1, the centrifugal pump 2, the air flotation machine 3, the first water pump 4, the regulating tank 5, the first alkali adding tank 6, the second water pump 7, the secondary sedimentation tank 8, the clean water tank 16 and the like, after the pretreatment and filtration, ammonia in the wastewater can be recycled under the action of the deamination mechanism 17, the wastewater after deamination can be primarily evaporated under the action of the multi-effect filtering evaporation mechanism 18, and secondary condensate water generated in the process of the multi-effect filtering evaporation mechanism 18 can be obtained under the combined action of the distillation water tank 19, the biochemical water tank 20, the ultrafiltration component 21 and the RO reverse osmosis component 22, and then performing biochemistry, ultrafiltration and RO, and discharging after reaching the discharge standard, so that the treatment effect of coal tar wastewater treatment is better, and the structures of the first alkali adding box 6 and the second alkali adding box 23 are the same.

Specifically, the first soda box 6 comprises a box body 24, a first chute 27 and a second chute 30 are respectively arranged on two sides of the inner wall of the box body 24, a motor 26 is fixedly connected to one end of the first chute 27, a bearing is fixedly connected to the other end of the first chute 27, a rotating shaft is movably arranged in the bearing in a penetrating manner, a threaded rod is fixedly connected to one end of the rotating shaft, a threaded cap 25 is connected to the outer surface of the threaded rod in a threaded manner, a sliding rod 29 is fixedly connected to the second chute 30, a sliding sleeve 28 is slidably connected to the outer surface of the sliding rod 29, the same scraper plate is fixedly connected to the opposite surface of the sliding sleeve 28 and the threaded cap 25, one side of the scraper plate is lapped with the inner wall of the box body 24, the scraper can be driven to move up and down through the combined action of the motor 26, the threaded rod, the threaded cap 25, the sliding rod 29, the sliding sleeve 28 and the like, therefore, the alkali stuck on the inner wall of the box body 24 can be scraped out, and the cleanness of the inner wall of the box body 24 is ensured.

Specifically, opening 36 has been seted up to the bottom of box 24, third spout 37 has been seted up on the box 24, fixedly connected with electric putter 38 in the third spout 37, electric putter 38's other end fixedly connected with baffle 35, the other end joint of baffle 35 is in opening 36, box 24's bottom intercommunication has row material section of thick bamboo 34, row material section of thick bamboo 34's position is corresponding with opening 36's position, under electric putter 38, the combined action of opening 36 and baffle 35 etc., make things convenient for the unloading of alkali, one side of box 24 is provided with bracing piece 31, first screw hole 32 and second screw hole 33 have been seted up on the bracing piece 31, at first screw hole 32, under the combined action of second screw hole 33 and bracing piece 31 etc., box 24's installation and dismantlement have been made things convenient for.

The utility model discloses a theory of operation does:

s1, during treatment, the produced coal tar wastewater enters an oil removal tank 1, enters an air floatation machine 3 through a centrifugal pump 2 to remove suspended matters, the removed wastewater enters an adjusting tank 5, a first alkali adding tank 6 adds alkali into the adjusting tank 5 to adjust the pH value, the bottom of the adjusting tank 5 is provided with an aeration port, continuous aeration is carried out to enable the pH value of the wastewater in the tank to reach 10-12, the wastewater after pH adjustment enters a secondary sedimentation tank 8, the precipitated supernatant overflows to a coagulating sedimentation tank 10, the supernatant enters a sand filter tank 12, the bottom precipitate enters a filter press 9 through a screw pump, the filter-pressed supernatant is collected and enters a sand filter tank 12, the filter-pressed waste residues are solidified and subjected to harmless treatment, the wastewater after passing through the sand filter tank 12 enters an activated carbon filter tank 14, and the filtered wastewater enters a clean water tank 16 to be stored;

s2, homogenizing and homogenizing the wastewater in the clean water tank 16, then lifting the wastewater into the deammoniation mechanism 17 by using a pump to remove ammonia, enabling the wastewater after ammonia removal to enter the multi-effect filtering and evaporating mechanism 18, carrying out biochemical treatment, ultrafiltration and RO on secondary condensate water generated in the process of the multi-effect filtering and evaporating mechanism 18, and discharging after reaching a discharge standard so as to enable the treatment effect of the coal tar wastewater to be better;

s3, connecting the electric appliances on the first alkali adding box 6 and the second alkali adding box 23 into the whole control system, when the first alkali adding box 6 and the second alkali adding box 23 are used, the threaded rod and the rotating shaft are driven by the first motor 26 to rotate, the threaded cap 25 is driven to move on the threaded rod under the limit of the sliding rod 29 and the sliding sleeve 28, so that the alkali stuck on the inner wall of the box body 24 can be scraped by the scraper, the tidiness of the inner wall of the box body 24 is ensured, the box body 24 is convenient to mount and dismount under the combined action of the first threaded hole 32, the second threaded hole 33, the supporting rod 31 and the like, when the first alkali adding box 6 or the second alkali adding box 23 is used, the baffle 35 is driven to work by the electric push rod 38, so that the baffle 35 can shield or not shield the opening 36 and the baffle 35, and the alkali blanking is convenient.

While embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that modifications, alterations, substitutions and variations may be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. The utility model provides a novel coal tar waste water treatment device, includes deoiling pond (1), its characterized in that: one side of the oil removal tank (1) is communicated with an air flotation machine (3) through a centrifugal pump (2), one side of the air flotation machine (3) is communicated with an adjusting tank (5) through a first water pump (4), a first alkali adding box (6) is installed on the adjusting tank (5), the other side of the adjusting tank (5) is communicated with a secondary sedimentation tank (8) through a second water pump (7), the other side of the secondary sedimentation tank (8) is communicated with a coagulating sedimentation tank (10), one side of the coagulating sedimentation tank (10) is connected with a pressure filter (9) through a screw pump, the pressure filter (9) is communicated with a sand filtration tank (12), the coagulating sedimentation tank (10) is communicated with the sand filtration tank (12) through a third water pump (11), the sand filtration tank (12) is communicated with an active carbon filtration tank (14) through a fourth water pump (13), and the active carbon filtration tank (14) is communicated with a clean water tank (16) through a fifth water pump (15), clear water basin (16) are linked together with deamination mechanism (17), install second on deamination mechanism (17) and add alkali case (23), the intercommunication has multiple-effect filtration evaporation mechanism (18) on deamination mechanism (17), the intercommunication has distilled water pond (19) on multiple-effect filtration evaporation mechanism (18), the intercommunication has biochemical pond (20) on distilled water pond (19), the intercommunication has ultrafiltration module (21) on biochemical pond (20), the intercommunication has RO reverse osmosis module (22) on ultrafiltration module (21), first add alkali case (6) and the second add the structure of alkali case (23) the same.

2. The novel coal tar wastewater treatment device according to claim 1, characterized in that: first soda case (6) include box (24), first spout (27) and second spout (30) have been opened respectively to the inner wall both sides of box (24), the one end fixedly connected with motor (26) of first spout (27), the other end fixedly connected with bearing of first spout (27), the pivot is worn to be equipped with by the bearing internalization, the one end fixedly connected with threaded rod of pivot, and the surface threaded connection of threaded rod has screw cap (25).

3. The novel coal tar wastewater treatment device according to claim 2, characterized in that: fixedly connected with slide bar (29) in second spout (30), the surface sliding connection of slide bar (29) has sliding sleeve (28), the same scraper blade of opposite face fixedly connected with of sliding sleeve (28) and screw cap (25), one side of scraper blade and the inner wall overlap joint of box (24).

4. The novel coal tar wastewater treatment device according to claim 2, characterized in that: opening (36) have been seted up to the bottom of box (24), third spout (37) have been seted up on box (24), fixedly connected with electric putter (38) in third spout (37), the other end fixedly connected with baffle (35) of electric putter (38), the other end joint of baffle (35) is in opening (36).

5. The novel coal tar wastewater treatment device according to claim 4, characterized in that: the bottom of the box body (24) is communicated with a discharge cylinder (34), and the position of the discharge cylinder (34) corresponds to the position of the opening (36).

6. The novel coal tar wastewater treatment device according to claim 2, characterized in that: one side of the box body (24) is provided with a support rod (31), and a first threaded hole (32) and a second threaded hole (33) are formed in the support rod (31).