CN214457147U - Full-automatic carbon source adding device for sewage treatment - Google Patents

Abstract

The utility model discloses a full-automatic carbon source adding device for sewage treatment, which comprises a stirring tank and supporting legs, wherein the top of the stirring tank is provided with a liquid inlet, a medicine inlet and a stirring system, the top of the medicine inlet is provided with an adding system, the adding system is connected to a medicine storage tank, the bottom of the stirring tank is provided with a liquid outlet, the liquid outlet is connected with one end of a liquid outlet pipeline, the middle part of the liquid outlet pipeline is provided with a metering pump, the other end of the liquid outlet pipeline extends into a reaction tank, and a nitrate nitrogen detector is arranged in the reaction tank; an electronic control system is also included. The utility model provides a carbon source through the medicine storage tank, the carbon source is injected into the stirring tank through the medicine inlet under the action of the adding system, the diluent is injected into the stirring tank through the liquid inlet, the full mixing is realized under the action of the stirring system, and the diluent is conveyed into the reaction tank through the liquid outlet pipeline; meanwhile, the liquid condition in the reaction tank is monitored in real time through the nitrate nitrogen detector, so that the optimal adding amount of the carbon source is judged in advance, and the condition that the adding amount of the carbon source is insufficient or wasted is avoided.

Description

Full-automatic carbon source adding device for sewage treatment

Technical Field

The utility model relates to a sewage treatment device technical field specifically is a carbon source full-automatic throws additional device for sewage treatment.

Background

In the field of current sewage treatment, particularly for high-ammonia nitrogen and low-C/N sewage treatment, the effluent ammonia nitrogen, total nitrogen and other nitrogen pollutants are required to reach the standard, and the conventionally adopted biochemical denitrification process is a nitrification and denitrification process. The denitrification reaction is not thorough due to low C/N of the sewage, and an external carbon source is needed to ensure that the total nitrogen of the effluent reaches the standard. At present, the variety of carbon sources comprises sodium acetate, methanol, glucose, flour, acetic acid, a composite carbon source and the like, while solid carbon sources such as glucose and flour have certain advantages in the aspects of safety, economy and the like, and the existing carbon source adding device has the following technical problems in the process of adding the carbon sources:

1. the existing carbon source adding device is difficult to judge the amount of carbon source to be added, and the condition of insufficient or waste of the added amount of the carbon source is easy to occur; 2. the existing carbon source adding device directly adds a carbon source to the water surface of sewage, and the carbon source has small particle size, so that dust is easy to fly, the environment is polluted, the health of operators is not facilitated, and meanwhile, the carbon source floats on the water surface of the sewage, is difficult to fully contact with the sewage, and the adsorption effect is poor.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the technical problem that will solve, provide a carbon source is full-automatic to throw and to add device for sewage treatment, can judge the best of carbon source in advance and throw the dosage, avoid appearing the carbon source and throw the dosage or extravagant condition inadequately, wholly have simple structure, convenient operation, add the carbon stable, the abundant advantage of misce bene.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme: the utility model provides a carbon source full-automatic throwing device for sewage treatment, includes agitator tank and the landing leg that is used for supporting the agitator tank, the top of agitator tank is provided with the inlet that is used for pouring into the diluent, is used for pouring into the medicine mouth of carbon source and is used for mixing the mixing system of diluent and carbon source, the top of advancing the medicine mouth is corresponding to install dosing system, dosing system is connected to the medicine storage tank that is used for providing the carbon source, the medicine storage tank is equipped with the dosing pump that is used for the pump sending carbon source, the liquid outlet has been seted up to agitator tank bottom, the liquid outlet is connected out the one end of liquid pipeline, liquid pipeline middle part is provided with the measuring pump, the other end stretches into in the reaction tank, be provided with the nitrate nitrogen detector in the reaction tank;

the device is characterized by further comprising an electric control system used for power distribution and control, wherein the dosing system, the stirring system, the metering pump, the dosing pump and the nitrate nitrogen detector are respectively and electrically connected to the electric control system, and the electric control system comprises a PLC.

Further, the full-automatic carbon source adding device for sewage treatment still includes fixed mounting and is in the cleaning system at agitator tank top, cleaning system is located the outside one end of agitator tank is connected to outside water pump and washing liquid, is located the inside one end of agitator tank is the spray thrower, the water pump is connected to electrical system.

Further, the full-automatic carbon source adding device for sewage treatment further comprises a heating wire arranged on the inner side wall of the bottom of the stirring tank, and the heating wire is connected to the electric control system.

Further, the full-automatic adding device of carbon source for sewage treatment is still including setting up the agitator tank is close to temperature sensor and sample valve on the lateral wall of bottom, temperature sensor and sample valve are connected to electrical system

Furthermore, the agitator tank is of a multi-layer tank structure and comprises an outermost shell, a middle heat-insulating layer and an innermost liner.

Further, the adding system comprises a carbon source hopper corresponding to a carbon source outlet of the medicine storage tank, the bottom of the carbon source hopper is connected with a U-shaped shell, one end of the U-shaped shell is fixedly provided with an adding motor, a power output shaft of the adding motor is connected to a spiral roller arranged in the U-shaped shell, the bottom of one end of the U-shaped shell, far away from the adding motor, is provided with an interface corresponding to the medicine inlet, and a feeding valve is arranged on one side of the interface.

Furthermore, the stirring system comprises a stirring motor fixedly installed at the top of the stirring tank, a power output shaft of the stirring motor is connected to the rotating shaft, the middle of the rotating shaft is sleeved with the first stirring blade, and the bottom of the rotating shaft is sleeved with the second stirring blade.

Further, the agitator tank is made of AISI 3042B stainless steel material, and the inner and outer surfaces of the tank body are provided with film-sticking protective layers.

Compared with the prior art, the utility model discloses an useful part is:

the utility model provides a full-automatic carbon source adding device for sewage treatment provides the carbon source through the medicine storage tank, and the carbon source is injected into the agitator tank through the medicine inlet under the effect of the adding system, and the diluent is injected into the agitator tank through the liquid inlet, and the full mixing is realized under the effect of the agitator system, and the carbon source is conveyed into the reaction tank from the bottom liquid outlet through the liquid outlet pipeline after the mixing is finished; simultaneously, the liquid condition in the reaction tank is monitored in real time through the nitrate nitrogen detector, so that the optimal adding amount of the carbon source can be judged in advance, the condition that the adding amount of the carbon source is not enough or is wasted is avoided, and the device has the advantages of simple structure, convenience in operation, stability in carbon adding, uniformity and sufficiency in mixing and automatic cleaning.

The utility model provides a full-automatic throwing device of carbon source for sewage treatment makes carbon source and diluent dissolve, mix and add to the sewage through adopting the dosing system, and the surface of sewage is not directly added to, has avoided the carbon source to scatter to the air, is unlikely to the polluted environment and harm health, has ensured the abundant contact of carbon source and sewage simultaneously to improve the adsorption effect of carbon source; further realize full-automatic the throwing of carbon source and added, promoted work efficiency greatly, reduced human cost and intensity of labour.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

The present invention will be further explained with reference to the accompanying drawings:

FIG. 1 is a schematic structural view of the full-automatic carbon source adding device for sewage treatment of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1;

FIG. 3 is a schematic structural view of the dosing system of the present invention;

1. a support leg; 2. a stirring tank; 3. a liquid inlet; 4. a dosing system; 5. cleaning the system; 6. a stirring system; 7. a temperature sensor; 8. a reaction tank; 9. a liquid outlet; 10. a liquid outlet pipeline; 11. an electric heating wire; 12. a sampling valve; 13. a medicine inlet; 14. a metering pump; 15. a medicine storage tank; 16. an electronic control system; 17. a nitrate nitrogen detector; 21. a housing; 22. a heat-insulating layer; 23. an inner container; 41. a feeding motor is used; 42. a U-shaped housing; 43. an interface; 44. a feed valve; 45. a helical roll; 46. a carbon source hopper; 51. a sprayer; 61. a stirring motor; 62. a rotating shaft; 63. a first stirring blade; 64. and a second stirring blade.

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 efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection, physical connection or wireless communication connection; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, the technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory or cannot be realized, the combination of such technical solutions should be considered to be absent, and is not within the protection scope of the present invention.

The full-automatic carbon source adding device for sewage treatment as shown in the attached drawing 1 is mainly used for treating high-ammonia nitrogen and low-C/N sewage and can realize continuous adding within 24 hours, and mainly comprises a stirring tank 2, an adding system 4, a cleaning system 5, a stirring system 6, a temperature sensor 7, a liquid outlet pipeline 10, a heating wire 11, a sampling valve 12, a metering pump 14, a medicine storage tank 15, an electric control system 16 and a nitrate nitrogen detector 17, wherein the top of the stirring tank 2 is provided with a liquid inlet 3 for injecting diluent, a medicine inlet 13 for injecting a carbon source and a stirring system 6 for mixing the diluent and the carbon source, the top of the medicine inlet 13 is correspondingly provided with the adding system 4, the adding system 4 is connected to the medicine storage tank 15 for providing a carbon source, a medicine adding pump for pumping the carbon source is arranged in the medicine storage tank 15, the adding system 4 conveys the carbon source in the medicine storage tank 15 to the stirring tank 2, a dosing pump for conveying a carbon source is arranged in the medicine storage tank 15; a liquid outlet 9 is formed in the bottom of the stirring tank 2, the liquid outlet 9 is connected with one end of a liquid outlet pipeline 10, a metering pump 14 is arranged in the middle of the liquid outlet pipeline 10, the other end of the liquid outlet pipeline extends into a reaction tank 8, and a nitrate nitrogen detector 17 is arranged in the reaction tank 8; the liquid condition in the reaction tank 8 is monitored in real time through the nitrate nitrogen detector 17, so that the optimal adding amount of the carbon source can be judged in advance, a detection value is transmitted to the electric control system 16 for power distribution and control, the electric control system 16 controls the metering pump 14 to further control the mixed liquid flowing into the reaction tank 8, and the condition that the adding amount of the carbon source is insufficient or wasted is avoided.

Preferably, the full-automatic carbon source adding device for sewage treatment further comprises a cleaning system 5 fixedly installed at the top of the stirring tank 2, wherein the cleaning system 5 is located one end of the outer portion of the stirring tank 2 is connected to an external water pump and cleaning liquid, and one end of the inner portion of the stirring tank 2 is a sprayer 51. When agitator tank 2 is washd to needs, discharge agitator tank 2 jar internal mixed liquid completely, open cleaning system 5's spray thrower 51, spray the washing liquid to agitator tank 2 inner wall all around under the high pressure of water pump to down flow out along the inner wall, thereby accomplish the washing.

Preferably, the full-automatic carbon source adding device for sewage treatment further comprises an electric heating wire 11 arranged on the inner side wall of the bottom of the stirring tank 2, and the electric heating wire 11 is connected to an external power supply; in chilly winter especially in the north, the low temperature often is difficult to the curing to the carbon source like flour class, consequently can 2 bottom inside walls of agitator tank arrange heating wire 11 to it is right the mixed liquid in the agitator tank 2 heats, is convenient for cure the flour class carbon source fast, further realizes dissolving fast and mixing under the effect of mixing system 6, and the temperature of the internal mixed liquid of jar can be observed in real time to the use of cooperation temperature sensor 7 to reach best mixed environment.

As preferred, agitator tank 2 is provided with temperature sensor 7 and sampling valve 12 on being close to the lateral wall of bottom, temperature sensor 7 is arranged in the temperature of the mixed liquid in real-time supervision agitator tank 2, sampling valve 12 can conveniently be followed sample out in agitator tank 2 and carry out the effect and look over.

As preferred, the full-automatic adding device of carbon source for sewage treatment is still including setting up 6 bottoms of mixing system are used for playing the backup pad of fixed action, the other end fixed connection of backup pad the bottom of agitator tank 2 is in order to play right mixing system 6's support and reinforcing action.

Preferably, as shown in fig. 2, the stirring tank 2 is a multi-layer tank structure, and includes an outermost shell 21, a middle insulating layer 22 and an innermost liner 23, wherein the shell 21 is made of stainless steel material, the insulating layer is made of polyurethane material, and the multi-layer structure is used for reducing the temperature change speed of the mixed liquid in the tank.

In one embodiment, as shown in fig. 3, the adding system 4 includes a carbon source hopper 46 corresponding to a carbon source outlet of the medicine storage tank 15, a U-shaped housing 42 is connected to the bottom of the carbon source hopper 46, an adding motor 41 is fixedly installed at one end of the U-shaped housing 42, a power output shaft of the adding motor 41 is connected to a spiral roller 45 built in the U-shaped housing 42, a connector 43 corresponding to the medicine inlet 13 is arranged at the bottom of one end of the U-shaped housing 42 away from the adding motor 41, and a feeding valve 44 is arranged at one side of the connector 43. The carbon source enters the carbon source hopper 46 from the medicine storage tank 15, and the feeding motor 41 provides power to drive the spiral roller 45 to rotate, so that the carbon source can be continuously conveyed to the stirring tank 2 when needed, the structure is simple, and the operation is convenient.

In one embodiment, the stirring system 6 comprises a stirring motor 61 fixedly installed at the top of the stirring tank 2, a power output shaft of the stirring motor 61 is connected to a rotating shaft 62, a first stirring blade 63 is sleeved at the middle part of the rotating shaft 62, and a second stirring blade 64 is sleeved at the bottom part of the rotating shaft 62, so that double stirring realizes better dissolution and mixing of a carbon source in a diluent.

Preferably, the dosing system 4, the cleaning system 5, the stirring system 6, the temperature sensor 7, the heating wire 11, the metering pump, the dosing pump in the drug storage tank, the nitrate nitrogen detector 17 and the like are respectively electrically connected to the electric control system 16 to realize power distribution and control.

Preferably, the stirring tank 2 is made of AISI 3042B stainless steel materials, so that the stirring tank is prevented from rusting for a long time when used outdoors, and the inner surface and the outer surface of the tank body are provided with film-sticking protective layers to prevent scratches.

The utility model discloses a concrete use is:

opening a feeding valve 41, closing a sampling valve 12 and a metering pump 14, starting a power supply through an electric control system 16, enabling diluent to enter a stirring tank 2 through a liquid inlet 3, when the diluent in the stirring tank 2 reaches a certain amount, automatically pumping a carbon source into a carbon source hopper 46 of a dosing system 4 through a dosing pump in a medicine storage tank 15, enabling a spiral roller 45 to rotate under the power action of a dosing motor 41 to further drive the carbon source to continuously enter the stirring tank 2, meanwhile, starting a stirring motor 61 of a stirring system 6 to drive a rotating shaft 62 to rotate, and further driving a first stirring blade 63 and a second stirring blade 64 to rotate, so that the carbon source is quickly dissolved and mixed in the diluent; when in cold winter, the electric heating wire 11 can be electrified so as to heat the mixed liquid in the stirring tank 2, and the temperature of the mixed liquid in the tank body is controlled by matching with the temperature sensor 7 so as to accelerate the dissolution and curing of the carbon source; the sampling valve 12 can be opened periodically to sample, and the condition of the mixed liquid in the stirring tank 2 can be observed in real time; when the effect meeting the requirement is achieved, the metering pump 14 can be opened, and the mixed liquid is discharged from the liquid outlet 9 to the reaction tank 8 through the liquid outlet pipeline 10.

The nitrate nitrogen detector 17 in the reaction tank 8 can monitor the condition of liquid in the reaction tank in real time and feed monitored data back to the electric control system 16, the electric control system 16 contains a PLC, the PLC carries out data operation, the electric control system 16 issues an instruction to the metering pump 14, the metering pump 14 receives the instruction and then adjusts the flow of mixed liquid flowing into the reaction tank 8 in the stirring tank 2, the adding amount of a carbon source can be controlled at any time according to the change of the index, the optimal adding amount is reached, and the condition that the adding amount of the carbon source is insufficient or the carbon source is wasted is avoided.

When agitator tank 2 needs to be cleaned, the mixed liquid in the tank body is completely discharged, a sprayer 51 of a cleaning system 5 is opened, the cleaning liquid is sprayed to the inner wall around agitator tank 2 under the high-pressure action of a water pump, and flows downwards along the inner wall, so that cleaning is completed.

Preferably, a liquid level meter can be arranged on the bottom wall of the stirring tank 2, when the mixed liquid in the tank body reaches a certain threshold value, a signal is transmitted to the electric control system through the liquid level meter, the PLC performs data operation, the electric control system 16 issues an instruction to the dosing pump in the medicine storage tank 15, and the dosing pump starts to pump the carbon source to the stirring tank 2 through the dosing system 4 after receiving the instruction, so that the automatic dosing of the carbon source is realized.

The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.

Claims (8)

1. The utility model provides a carbon source full-automatic device of throwing for sewage treatment, includes agitator tank (2) and is used for supporting landing leg (1) of agitator tank (2), its characterized in that: a liquid inlet (3) for injecting a diluent, a medicine inlet (13) for injecting a carbon source and a stirring system (6) for mixing the diluent and the carbon source are arranged at the top of the stirring tank (2), a dosing system (4) is correspondingly installed at the top of the medicine inlet (13), the dosing system (4) is connected to a medicine storage tank (15) for providing the carbon source, a liquid outlet (9) is formed in the bottom of the stirring tank (2), the liquid outlet (9) is connected with one end of a liquid outlet pipeline (10), a metering pump (14) is arranged in the middle of the liquid outlet pipeline (10), the other end of the liquid outlet pipeline extends into a reaction tank (8), and a nitrate nitrogen detector (17) is arranged in the reaction tank (8);

the device is characterized by further comprising an electric control system (16) used for power distribution and control, wherein the dosing system (4), the stirring system (6), the metering pump (14) and the nitrate nitrogen detector (17) are respectively and electrically connected to the electric control system (16).

2. The full-automatic carbon source adding device for sewage treatment as claimed in claim 1, wherein: still include fixed mounting in cleaning system (5) at agitator tank (2) top, cleaning system (5) are located outside water pump and the washing liquid are connected to the outside one end of agitator tank (2) outside, are located agitator tank (2) inside one end is spray thrower (51), the water pump is connected to electrical system (16).

3. The full-automatic carbon source adding device for sewage treatment as claimed in claim 2, wherein: the electric heating wire (11) is arranged on the inner side wall of the bottom of the stirring tank (2), and the electric heating wire (11) is connected to the electric control system (16).

4. The full-automatic carbon source feeding device for sewage treatment as claimed in claim 3, wherein: the stirring tank is characterized by further comprising a temperature sensor (7) and a sampling valve (12) which are arranged on the side wall, close to the bottom, of the stirring tank (2), wherein the temperature sensor (7) and the sampling valve (12) are connected to the electronic control system (16).

5. The full-automatic carbon source feeding device for sewage treatment as claimed in claim 4, wherein: the stirring tank (2) is of a multi-layer tank structure and comprises an outermost shell (21), a middle heat-insulating layer (22) and an innermost liner (23).

6. The full-automatic carbon source adding device for sewage treatment as claimed in claim 1, wherein: dosing system (4) include with carbon source hopper (46) that medicine storage tank (15) carbon source export corresponds, U type casing (42) are connected to the bottom of carbon source hopper (46), U type casing (42) one end fixed mounting has dosing motor (41), place in the power output shaft who throws motor (41) is connected to spiral roller (45) of U type casing (42), U type casing (42) are kept away from the one end bottom of throwing motor (41) be provided with interface (43) that medicine inlet (13) correspond, interface (43) one side is provided with feed valve (44).

7. The full-automatic carbon source adding device for sewage treatment as claimed in claim 1, wherein: the stirring system (6) comprises a stirring motor (61) fixedly installed at the top of the stirring tank (2), a power output shaft of the stirring motor (61) is connected to a rotating shaft (62), a first stirring blade (63) is sleeved at the middle part of the rotating shaft (62), and a second stirring blade (64) is sleeved at the bottom of the rotating shaft.

8. The full-automatic carbon source feeding device for sewage treatment as claimed in any one of claims 1 to 7, wherein: the stirring tank (2) is made of AISI 3042B stainless steel material, and the inner and outer surfaces of the tank body are provided with film-sticking protective layers.

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