CN212102108U - A sewage treatment device for petrochemical production - Google Patents

Abstract

The utility model relates to the technical field of sewage treatment, in particular to a sewage treatment device for petrochemical production; the sewage treatment system can remove grease in sewage, reduce the content of grease in the sewage and reduce the impact of the grease on a subsequent sewage treatment system; the water-saving device comprises a regulating tank, wherein a water containing cavity is arranged in the regulating tank, a water inlet pipe is arranged at the bottom of the right end of the regulating tank, the output end of the water inlet pipe is communicated with the bottom of the water containing cavity, a water discharge pipe is arranged at the upper part of the left end of the regulating tank, the input end of the water discharge pipe is communicated with the upper part of the water containing cavity, and a flow regulating valve is arranged on; still include buffer tank, vertical centrifuge, overflow pipe, overflow launder, force (forcing) pump and communicating pipe, be provided with the buffer chamber in the buffer tank, vertical centrifuge and force (forcing) pump all fix to be set up in the top of buffer tank, and the overflow launder is fixed to be set up in the flourishing water intracavity wall upper portion of equalizing basin, and the input of overflow pipe stretches into to the overflow launder in, and the output of overflow pipe stretches into to the buffer chamber intracavity.

Description

A sewage treatment device for petrochemical production

Technical Field

The utility model relates to a sewage treatment's technical field especially relates to a sewage treatment device for petrochemical production.

Background

As is well known, sewage treatment equipment for petrochemical production is a device for collecting sewage to ensure relatively stable sewage flow and water quality, and is widely used in the field of sewage treatment; the existing sewage treatment equipment for petrochemical production comprises an adjusting tank, wherein a water containing cavity is arranged in the adjusting tank, a water inlet pipe is arranged at the bottom of the right end of the adjusting tank, the output end of the water inlet pipe is communicated with the bottom of the water containing cavity, a water drainage pipe is arranged at the upper part of the left end of the adjusting tank, the input end of the water drainage pipe is communicated with the upper part of the water containing cavity, and a flow adjusting valve is arranged on the water drainage pipe; when the existing sewage treatment equipment for petrochemical production is used, sewage enters the water containing cavity through the water inlet pipe, the sewage stands still in the water containing cavity, and the sewage with the regulated water quality in the water containing cavity uniformly flows to a subsequent treatment system by regulating the flow control valve; the existing sewage treatment equipment for petrochemical production is found in use, and the sewage generated in the petrochemical production process contains more grease, so that the grease has overlarge impact on a subsequent sewage treatment system, great influence on the subsequent sewage treatment and certain use limitation.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a can clear away the grease in the sewage, reduce the content of grease in the sewage, reduce the sewage treatment device that is used for petrochemical production of grease to the impact of follow-up sewage treatment system.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the water-saving device comprises a regulating tank, wherein a water containing cavity is arranged in the regulating tank, a water inlet pipe is arranged at the bottom of the right end of the regulating tank, the output end of the water inlet pipe is communicated with the bottom of the water containing cavity, a water discharge pipe is arranged at the upper part of the left end of the regulating tank, the input end of the water discharge pipe is communicated with the upper part of the water containing cavity, and a flow regulating valve is arranged on the water; the overflow tank is characterized by further comprising a buffer tank, a vertical centrifugal machine, an overflow pipe, a pressure pump and a communication pipe, wherein a buffer cavity is formed in the buffer tank, the vertical centrifugal machine and the pressure pump are fixedly arranged at the top end of the buffer tank, the overflow pipe is fixedly arranged on the upper portion of the inner wall of the water containing cavity of the regulating pond, the input end of the overflow pipe extends into the overflow pipe, the output end of the overflow pipe extends into the buffer cavity, the input end of the pressure pump extends into the bottom of the buffer cavity, the output end of the pressure pump is communicated with the input end of the vertical centrifugal machine, the input end of the communication pipe is communicated with the water phase output end of the vertical centrifugal machine, and the.

Preferably, the device further comprises a portal frame, an oil scraping plate, a speed reducer and a motor, wherein the portal frame is fixedly arranged at the top end of the regulating tank, the speed reducer is fixedly arranged in the middle of the top end of the portal frame, the motor is fixedly arranged at the top end of the speed reducer, the output end of the motor is in transmission connection with the input end of the speed reducer, the output end of the speed reducer is fixedly connected with the top end of the oil scraping plate, and the bottom end of the oil scraping plate is flush with the top end of the overflow groove.

Preferably, still include the batch oil tank, be provided with the oil storage chamber in the batch oil tank, vertical centrifuge's oil phase output stretches into to the oil storage intracavity, the top of batch oil tank is provided with the opening, be provided with the fender lid on the opening.

Preferably, the top of buffer box is provided with the breather pipe, the input of breather pipe with the buffer chamber intercommunication.

Preferably, a spiral electric heating pipe is arranged in the cache box.

Preferably, the outer wall of the buffer box is provided with a heat-insulating layer.

Preferably, the inner bottom wall of the water containing cavity is conical, a sludge discharge pipe is arranged at the bottom end of the adjusting tank, and the input end of the sludge discharge pipe is communicated with the water containing cavity.

(III) advantageous effects

Compared with the prior art, the utility model provides a sewage treatment device for petrochemical production possesses following beneficial effect: in the sewage treatment equipment for petrochemical production, sewage enters the water containing cavity through the water inlet pipe, and because the grease density is lower than that of the sewage, the grease floats on the water surface, the grease on the water surface of the sewage overflows to the overflow groove, and enters the buffer tank through the overflow pipe, the pressure pump is started to pump the mixture of the grease and the sewage collected in the buffer tank into the vertical centrifuge after the pressure pump pressurizes the mixture, the vertical centrifuge is started, because the densities of the grease and the water are different, under the action of the vertical centrifuge, grease and sewage are separated, the separated water phase enters the input end of the water inlet pipe again through the communicating pipe, comprehensively regulating the quality of the incoming water, secondarily separating partial sewage separated from the water phase to circularly remove the grease contained in the sewage for many times, the grease in the sewage can be removed, the content of the grease in the sewage is reduced, and the impact of the grease on a subsequent sewage treatment system is reduced.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic view of the front view structure inside the cache box of the present invention;

FIG. 3 is a schematic view of the front view structure inside the regulating reservoir of the present invention;

FIG. 4 is a schematic view of the spiral electrothermal tube of the present invention;

in the drawings, the reference numbers: 1. a regulating tank; 2. a water inlet pipe; 3. a drain pipe; 4. a flow regulating valve; 5. a cache box; 6. a vertical centrifuge; 7. an overflow pipe; 8. an overflow trough; 9. a pressure pump; 10. a communicating pipe; 11. a gantry; 12. a scraper plate; 13. a speed reducer; 14. an electric motor; 15. an oil storage tank; 16. a blocking cover; 17. a breather pipe; 18. a spiral electric heating tube; 19. a heat-insulating layer; 20. a sludge discharge pipe.

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.

Referring to fig. 1-4, the utility model discloses a sewage treatment device for petrochemical production, including equalizing basin 1, be provided with water containing cavity in equalizing basin 1, the right-hand member bottom of equalizing basin 1 is provided with inlet tube 2, the output of inlet tube 2 and water containing cavity bottom intercommunication, the upper portion of the left end of equalizing basin 1 is provided with drain pipe 3, the input of drain pipe 3 and water containing cavity upper portion intercommunication, be provided with flow control valve 4 on drain pipe 3; the device is characterized by further comprising a buffer tank 5, a vertical centrifugal machine 6, an overflow pipe 7, an overflow groove 8, a booster pump 9 and a communicating pipe 10, wherein a buffer cavity is arranged in the buffer tank 5, the vertical centrifugal machine 6 and the booster pump 9 are both fixedly arranged at the top end of the buffer tank 5, the overflow groove 8 is fixedly arranged on the upper portion of the inner wall of the water containing cavity of the regulating pool 1, the input end of the overflow pipe 7 extends into the overflow groove 8, the output end of the overflow pipe 7 extends into the buffer cavity, the input end of the booster pump 9 extends into the bottom of the buffer cavity, the output end of the booster pump 9 is communicated with the input end of the vertical centrifugal machine 6, the input end of the communicating pipe 10 is communicated with the water phase output end; sewage enters the water containing cavity through the water inlet pipe 2, the grease floats on the water surface because the grease density is lower than that of the sewage, the grease on the sewage surface overflows to the overflow groove 8, and enters the buffer tank 5 through the overflow pipe 7, the pressure pump 9 is started, the mixture of the grease and the sewage collected in the buffer tank 5 is pumped into the vertical centrifuge 6 after the pressure pump 9 pressurizes the mixture, the vertical centrifuge 6 is started, because the densities of the grease and the water are different, under the action of the vertical centrifuge 6, grease and sewage are separated, the separated water phase enters the input end of the water inlet pipe 2 again through the communicating pipe 10, comprehensively regulating the quality of the incoming water, secondarily separating partial sewage separated from the water phase to circularly remove the grease contained in the sewage for many times, the grease in the sewage can be removed, the content of the grease in the sewage is reduced, and the impact of the grease on a subsequent sewage treatment system is reduced.

The utility model discloses a sewage treatment device for petrochemical production, still include portal frame 11, frizing 12, speed reducer 13 and motor 14, portal frame 11 is fixed to be set up in the top of equalizing basin 1, speed reducer 13 is fixed to be set up in the middle part of the top of portal frame 11, motor 14 is fixed to be set up in the top of speed reducer 13, the output of motor 14 is connected with the input transmission of speed reducer 13, the output of speed reducer 13 is connected with the top fixed of frizing 12, the bottom of frizing 12 is parallel and level with the top of overflow launder 8; by starting the motor 14, the motor 14 drives the speed reducer 13 to rotate, and the speed reducer 13 drives the oil scraping plate 12 to rotate, so that grease floating on the sewage water surface in the adjusting tank 1 is smoothly scraped into the overflow tank 8, and the grease floating on the sewage water surface in the adjusting tank 1 can be more efficiently collected; the centrifugal centrifuge oil storage device further comprises an oil storage tank 15, an oil storage cavity is arranged in the oil storage tank 15, the oil phase output end of the vertical centrifuge 6 extends into the oil storage cavity, an opening is formed in the top end of the oil storage tank 15, and a blocking cover 16 is arranged on the opening; through the arrangement of the oil storage tank 15, the oil phase separated by the vertical centrifuge 6 can be collected, and the collected oil can be conveniently transported out; the top end of the cache box 5 is provided with a vent pipe 17, and the input end of the vent pipe 17 is communicated with the cache cavity; the air pressure in the buffer tank 5 can be communicated with the atmosphere through the arrangement of the vent pipe 17, so that the mixture of the grease and the sewage in the overflow groove 8 can flow into the buffer cavity through the overflow pipe 7 more smoothly; a spiral electric heating tube 18 is arranged in the cache box 5; the temperature in the cache box 5 is raised to about 40 ℃ by starting the spiral electric heating tube 18, so that grease in the cache box 5 is emulsified, the vertical centrifuge 6 is convenient to centrifugally separate grease and sewage, the separated sewage enters the water inlet pipe 2 through the communicating pipe 10, the part of sewage with higher temperature is mixed with incoming water, the integral temperature in the regulating tank 1 is raised and kept between 20 and 25 ℃, a better temperature environment can be provided for microorganisms in a subsequent sewage treatment system, the subsequent sewage treatment effect is enhanced, and the spiral electric heating tube 18 can be timely closed according to actual conditions when the temperature is higher in summer and the like; the heat preservation layer 19 is arranged on the outer wall of the buffer box 5, and through the arrangement of the heat preservation layer 19, the heat loss in the buffer box 5 can be reduced, so that the temperature in the buffer box 5 is basically kept constant, and more energy is saved; the inner bottom wall of the water containing cavity is conical, a sludge discharge pipe 20 is arranged at the bottom end of the adjusting tank 1, and the input end of the sludge discharge pipe 20 is communicated with the water containing cavity; the bottom of the water containing cavity is arranged in a conical shape, so that sludge at the bottom in the water containing cavity can be gathered and discharged outside through the sludge discharge pipe 20.

When in use, sewage enters the water containing cavity through the water inlet pipe 2, the grease floats on the water surface because the grease density is lower than that of the sewage, the grease on the sewage surface overflows to the overflow groove 8, and enters the buffer tank 5 through the overflow pipe 7, the pressure pump 9 is started, the mixture of the grease and the sewage collected in the buffer tank 5 is pumped into the vertical centrifuge 6 after the pressure pump 9 pressurizes the mixture, the vertical centrifuge 6 is started, because the densities of the grease and the water are different, under the action of the vertical centrifuge 6, grease and sewage are separated, the separated water phase enters the input end of the water inlet pipe 2 again through the communicating pipe 10, comprehensively regulating the quality of the incoming water, secondarily separating partial sewage separated from the water phase to circularly remove the grease contained in the sewage for many times, grease in the sewage can be removed, the content of the grease in the sewage is reduced, and the impact of the grease on a subsequent sewage treatment system is reduced; by starting the motor 14, the motor 14 drives the speed reducer 13 to rotate, and the speed reducer 13 drives the oil scraping plate 12 to rotate, so that grease floating on the sewage water surface in the adjusting tank 1 is smoothly scraped into the overflow tank 8, and the grease floating on the sewage water surface in the adjusting tank 1 can be more efficiently collected; through the arrangement of the oil storage tank 15, the oil phase separated by the vertical centrifuge 6 can be collected, and the collected oil can be conveniently transported out; the air pressure in the buffer tank 5 can be communicated with the atmosphere through the arrangement of the vent pipe 17, so that the mixture of the grease and the sewage in the overflow groove 8 can flow into the buffer cavity through the overflow pipe 7 more smoothly; the temperature in the cache box 5 is raised to about 40 ℃ by starting the spiral electric heating tube 18, so that grease in the cache box 5 is emulsified, the vertical centrifuge 6 is convenient to centrifugally separate grease and sewage, the separated sewage enters the water inlet pipe 2 through the communicating pipe 10, the part of sewage with higher temperature is mixed with incoming water, the integral temperature in the regulating tank 1 is raised and kept between 20 and 25 ℃, a better temperature environment can be provided for microorganisms in a subsequent sewage treatment system, the subsequent sewage treatment effect is enhanced, and the spiral electric heating tube 18 can be timely closed according to actual conditions when the temperature is higher in summer and the like; through the arrangement of the heat-insulating layer 19, the heat loss in the buffer box 5 can be reduced, so that the temperature in the buffer box 5 is kept basically constant, and more energy is saved; the bottom of the water containing cavity is arranged in a conical shape, so that sludge at the bottom in the water containing cavity can be gathered and discharged outside through the sludge discharge pipe 20.

The utility model discloses a sewage treatment device for petrochemical production, motor, force (forcing) pump, vertical centrifuge and spiral electrothermal tube are all bought to motor, force (forcing) pump, vertical centrifuge and spiral electrothermal tube all carry out the electricity through the instruction manual of buying together and connect.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

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

Claims (7)

1. A sewage treatment device for petrochemical production comprises an adjusting tank (1), wherein a water containing cavity is arranged in the adjusting tank (1), a water inlet pipe (2) is arranged at the bottom of the right end of the adjusting tank (1), the output end of the water inlet pipe (2) is communicated with the bottom of the water containing cavity, a water drain pipe (3) is arranged at the upper part of the left end of the adjusting tank (1), the input end of the water drain pipe (3) is communicated with the upper part of the water containing cavity, and a flow regulating valve (4) is arranged on the water drain pipe (3); it is characterized by also comprising a buffer tank (5), a vertical centrifuge (6), an overflow pipe (7), an overflow groove (8), a pressure pump (9) and a communicating pipe (10), a buffer cavity is arranged in the buffer tank (5), the vertical centrifuge (6) and the pressure pump (9) are both fixedly arranged at the top end of the buffer tank (5), the overflow groove (8) is fixedly arranged on the upper part of the inner wall of the water containing cavity of the regulating tank (1), the input end of the overflow pipe (7) extends into the overflow groove (8), the output end of the overflow pipe (7) extends into the buffer cavity, the input end of the pressure pump (9) extends into the bottom of the buffer cavity, the output end of the pressure pump (9) is communicated with the input end of the vertical centrifuge (6), the input end of the communicating pipe (10) is communicated with the water phase output end of the vertical centrifuge (6), the output end of the communicating pipe (10) is communicated with the input end of the water inlet pipe (2).

2. The sewage treatment equipment for petrochemical production according to claim 1, further comprising a portal frame (11), an oil scraping plate (12), a speed reducer (13) and a motor (14), wherein the portal frame (11) is fixedly arranged at the top end of the conditioning tank (1), the speed reducer (13) is fixedly arranged in the middle of the top end of the portal frame (11), the motor (14) is fixedly arranged at the top end of the speed reducer (13), the output end of the motor (14) is in transmission connection with the input end of the speed reducer (13), the output end of the speed reducer (13) is fixedly connected with the top end of the oil scraping plate (12), and the bottom end of the oil scraping plate (12) is flush with the top end of the overflow groove (8).

3. The sewage treatment equipment for petrochemical production according to claim 2, further comprising an oil storage tank (15), wherein an oil storage cavity is arranged in the oil storage tank (15), the oil phase output end of the vertical centrifuge (6) extends into the oil storage cavity, an opening is arranged at the top end of the oil storage tank (15), and a blocking cover (16) is arranged on the opening.

4. The sewage treatment device for petrochemical production according to claim 3, wherein the top end of the buffer tank (5) is provided with a vent pipe (17), and the input end of the vent pipe (17) is communicated with the buffer cavity.

5. The sewage treatment equipment for petrochemical production according to claim 4, wherein a spiral electric heating pipe (18) is arranged in the buffer tank (5).

6. The sewage treatment device for petrochemical production according to claim 5, wherein an insulating layer (19) is arranged on the outer wall of the buffer tank (5).

7. The sewage treatment equipment for petrochemical production according to claim 6, wherein the inner bottom wall of the water containing cavity is conical, a sludge discharge pipe (20) is arranged at the bottom end of the adjusting tank (1), and the input end of the sludge discharge pipe (20) is communicated with the water containing cavity.

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