CN215855489U

CN215855489U - Integrated device for deep nitrogen and phosphorus removal of sewage

Info

Publication number: CN215855489U
Application number: CN202121908802.4U
Authority: CN
Inventors: 刘斌; 钟成洪; 孙飞
Original assignee: Wuxi Yuanzhou Environmental Protection Technology Co ltd
Current assignee: Wuxi Yuanzhou Environmental Protection Technology Co ltd
Priority date: 2021-08-13
Filing date: 2021-08-13
Publication date: 2022-02-18
Anticipated expiration: 2031-08-13

Abstract

The utility model discloses an integrated device for deep nitrogen and phosphorus removal of sewage, which relates to the technical field of sewage treatment, and particularly relates to an integrated device for deep nitrogen and phosphorus removal of sewage, which comprises a deoxygenation tank, a phosphorus removal box, a reaction tank and a gas separation membrane device which are sequentially connected, wherein flow guide pipes are arranged between every two adjacent deoxygenation tank, phosphorus removal box, reaction tank and gas separation membrane device, a suction pump is arranged outside each flow guide pipe, and dosing pumps are fixedly arranged outside each deoxygenation tank and the reaction tank. This integrated device of sewage degree of depth nitrogen and phosphorus removal carries out the deoxidization back to sewage through the oxygen-eliminating jar, with the leading-in dephosphorization incasement portion of sewage, the inside regeneration type of accessible adsorption plate removes the phosphorus adsorbent and directly absorbs the phosphorus in the sewage, carries out system ammonia through the retort after the dephosphorization simultaneously, can directly pass through gas separation membrane device with ammonia and separation of water, realizes the nitrogen removal of sewage and handles, can incessantly carry out nitrogen and phosphorus removal to sewage simultaneously.

Description

Integrated device for deep nitrogen and phosphorus removal of sewage

Technical Field

The utility model relates to the technical field of sewage treatment, in particular to an integrated device for deep nitrogen and phosphorus removal of sewage.

Background

For a long time, the sewage treatment always focuses on the degradation control of organic matters in the sewage, and particularly strengthens the degradation control of nitrogen and phosphorus pollutants causing water eutrophication in recent years, and the requirement on the water quality of the water discharged by a sewage plant reaches the first-grade A standard. At present, most of town sewage plants, particularly the town sewage plants in southern areas, have inlet pipe networks in a rain and sewage flow system, and the pipe networks are broken due to poor geological conditions, so that the inlet water quality C is caused: n: the P ratio is disordered and shows that the concentration of organic matters is low, and the concentration of nitrogen and phosphorus is higher.

In the traditional process for treating the sewage, a coagulation sedimentation tank is generally arranged as a pretreatment process, flocculating agents such as high polymeric aluminum salt, ferric salt and the like are required to be added in the process, phosphorus, most of fine suspended organic matters and part of soluble organic matters in the sewage are adsorbed by a bridge to form flocculent co-precipitates, and the flocculent co-precipitates are removed by sludge discharge; meanwhile, due to the adsorption effect of the formed flocs, part of soluble organic matters in the sewage are removed, so that the carbon source of a subsequent denitrification process section is insufficient; in addition, when the existing nitrogen and phosphorus removal device is used for treating sewage, a fixed amount of sewage can be treated at a time, so that the treatment speed is low, and the working requirement cannot be met.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides an integrated device for deep nitrogen and phosphorus removal of sewage, which has the advantages of improving the nitrogen and phosphorus removal effect, reducing the cost, improving the working efficiency and the like, and solves the problems in the background art.

In order to realize the advantages of improving the denitrification and dephosphorization effect, reducing the cost, improving the working efficiency and the like, the utility model is realized by the following technical scheme: the utility model provides an integrated device of sewage degree of depth nitrogen and phosphorus removal, is including the oxygen-eliminating jar, dephosphorization case, retort, the gas separation membrane device that connect gradually, adjacent all be provided with the honeycomb duct between oxygen-eliminating jar, dephosphorization case, retort, the gas separation membrane device, and the outside of honeycomb duct is provided with the suction pump, the equal fixed mounting in outside of oxygen-eliminating jar and retort has the dosing pump, the inside joint of dephosphorization case has the adsorption plate, and the inside packing of adsorption plate has the regeneration type to remove the phosphorus adsorbent, the side of gas separation membrane device is provided with the outlet pipe, and the fixed intercommunication in side of outlet pipe has the circulating pipe, the outside of circulating pipe is provided with the circulating pump.

Preferably, the fixed cover in the below of the outside of oxygen-eliminating jar is equipped with the electrical heating cover, the positive fixed mounting of oxygen-eliminating jar has temperature controller, and temperature controller electrical heating cover electric connection, the top fixed mounting of oxygen-eliminating jar has the water inlet, because phosphorus often exists in sewage in the form of phosphate polyphosphate and organic phosphorus, dephosphorization utilizes phosphorus-accumulating bacteria, releases phosphorus in anaerobic state, absorbs phosphorus from the outside in aerobic state, and stores it in vivo in polymerization form, forms high phosphorus mud, the discharge system, reach the effect of removing phosphorus from the waste water, thereby need carry out the deoxidization to sewage before the dephosphorization of dephosphorization box to sewage, carry out the deoxidization through temperature controller control electrical heating cover to the inside of oxygen-eliminating jar, simultaneously accessible dosing pump injects chemical deoxidization medicament into the interior of oxygen-eliminating jar, can satisfy the dephosphorization condition of dephosphorization box, the effectiveness of the device is guaranteed.

Preferentially, the top of dephosphorization case articulates there is sealed top cap, the inside of dephosphorization case is seted up and is had the card strip of mutually supporting with the adsorption plate, restricts the adsorption plate position through the card strip, has guaranteed the stability of adsorption plate during operation, carries out the interval to a plurality of adsorption plates simultaneously, prevents the too big damage of the left suction pump atress of dephosphorization case, the whole fretwork form that is of adsorption plate, the quantity of adsorption plate is five to ten, after the sewage deoxidization, can directly carry out dephosphorization through the regeneration type dephosphorization adsorbent in the adsorption plate and handle, and is easy and simple to handle, has improved work efficiency, and the regeneration type dephosphorization adsorbent in the adsorption plate is removed to the analytic liquid of accessible simultaneously, regeneration liquid carries out reduction treatment, guarantees the device's dephosphorization effect.

Preferably, the top of retort is provided with rabbling mechanism, the left and right sides at retort and the deoxidization tank top all is provided with manometer, relief valve, is convenient for monitor the inside pressure of deoxidization tank, retort through the manometer, is convenient for in time make the adjustment, reduces the probability that the device broke down when using, and when deoxidization tank, retort inside pressure were too high simultaneously, the accessible relief valve carried out the pressure release, security when further improving the device and using.

Preferably, the outside one side that is close to gas separation membrane device of outlet pipe is provided with ammonia content monitoring mechanism, the outside one side of keeping away from gas separation membrane device of outlet pipe is provided with the control valve, through set up the control valve in the outlet pipe outside, is convenient for carry out the shutoff to outlet pipe one end to be convenient for carry out circulation treatment to sewage, improve the treatment effect to sewage.

Preferably, one end of the circulating pipe is located between the ammonia content monitoring mechanism and the control valve, the other end of the circulating pipe is fixedly communicated with the dephosphorization box, when the ammonia content monitoring mechanism detects that the ammonia content of the discharged purified water exceeds the standard, the control valve is closed, water still containing ammonia is guided into the dephosphorization box through the circulating pump along the circulating pipe, and the treatment is carried out according to the flow, so that the treatment effect of sewage denitrification is improved.

The utility model provides an integrated device for deep nitrogen and phosphorus removal of sewage, which has the following beneficial effects:

1. this integrated device of sewage degree of depth nitrogen and phosphorus removal, after carrying out the deoxidization to sewage through the oxygen-eliminating jar, with the leading-in dephosphorization incasement portion of sewage, the inside regeneration type of accessible adsorption plate removes the phosphorus adsorbent and directly absorbs the phosphorus in the sewage, carry out system ammonia through the retort after the dephosphorization simultaneously, can directly pass through gas separation membrane device with ammonia and separation of water, realize the nitrogen removal of sewage and handle, simultaneously can incessantly carry out nitrogen and phosphorus removal to sewage and handle, improve sewage nitrogen and phosphorus removal effect, the work efficiency has been improved simultaneously.

2. This integrated device of sewage degree of depth nitrogen and phosphorus removal, after gas separation membrane device is to water purification and ammonia separation, when the outlet pipe is discharged along the water purification, detect the ammonia content of aquatic through ammonia content monitoring mechanism, when ammonia content exceeds standard, close the control valve, water that will still contain ammonia through the circulating pump is inside along the leading-in dephosphorization incasement of circulation pipe, handle according to this flow once more, the effect of sewage denitrification treatment has been improved, in addition the accessible is analytic liquid, regeneration liquid carries out reduction treatment to the regeneration type dephosphorization adsorbent in the adsorption plate, guarantee the dephosphorization effect of the device.

Drawings

FIG. 1 is a schematic structural view of the present invention as a whole;

FIG. 2 is a schematic view of the overall backside of the present invention;

FIG. 3 is a schematic view of the internal structure of the phosphorus removal tank of the present invention;

FIG. 4 is a schematic side view of a gas separation membrane device according to the present invention.

In the figure: 1. a deaerating tank; 2. a phosphorus removal box; 3. a reaction tank; 4. a gas separation membrane unit; 5. a dosing pump; 6. a water inlet; 7. sealing the top cover; 8. a stirring mechanism; 9. a pressure gauge; 10. an adsorption plate; 11. a flow guide pipe; 12. a suction pump; 13. a water outlet pipe; 14. an ammonia content monitoring mechanism; 15. a control valve; 16. a circulation pipe; 17. a circulation pump; 18. a temperature controller.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1 to 4, the present invention provides a technical solution: an integrated device for deep nitrogen and phosphorus removal of sewage comprises a deoxygenation tank 1, a phosphorus removal tank 2, a reaction tank 3 and a gas separation membrane device 4 which are connected in sequence, wherein a guide pipe 11 is arranged between every two adjacent deoxygenation tanks 1, every two adjacent phosphorous removal tanks 2, every two adjacent reaction tanks 3 and every two adjacent gas separation membrane devices 4, a suction pump 12 is arranged outside the guide pipe 11, a dosing pump 5 is fixedly arranged outside each of the deoxygenation tanks 1 and the reaction tanks 3, an adsorption plate 10 is clamped inside the phosphorus removal tank 2, a regenerative phosphorus removal adsorbent is filled inside the adsorption plate 10, a water outlet pipe 13 is arranged on the side surface of the gas separation membrane device 4, a circulating pipe 16 is fixedly communicated with the side surface of the water outlet pipe 13, a circulating pump 17 is arranged outside the circulating pipe 16, an electric heating sleeve is fixedly sleeved below the exterior of the deoxygenation tank 1, a temperature controller 18 is fixedly arranged on the front surface of the deoxygenation tank 1, and the temperature controller 18 is electrically connected with the electric heating sleeve, the top of the deoxygenation tank 1 is fixedly provided with a water inlet 6, because phosphorus usually exists in sewage in the form of phosphate polyphosphate and organic phosphorus, the phosphorous removal is realized by utilizing phosphorous accumulating bacteria, the phosphorus is released in an anaerobic state, the phosphorus is absorbed from the outside in an aerobic state and is stored in the body in a polymerization state to form high-phosphorous sludge, the high-phosphorous sludge is discharged out of a system, the effect of removing the phosphorous from the wastewater is achieved, the wastewater needs to be subjected to the oxygen removal treatment before the phosphorous removal of the wastewater is carried out by the phosphorous removal tank 2, the internal of the deoxygenation tank 1 is subjected to the oxygen removal treatment by controlling an electric heating sleeve through a temperature controller 18, the phosphorous removal condition of the phosphorous removal tank 2 can be met, the effectiveness of the device is ensured, the model of the temperature controller 18 is E5EKL-R1TC, the model of the dosing pump 5 is DFD-02-07M, the top of the phosphorous removal tank 2 is hinged with a sealing top cover 7, the phosphorous removal tank 2 is internally provided with a clamping strip which is matched with an adsorption plate 10, the whole adsorption plate 10 is hollow, the number of the adsorption plate 10 is five to ten, after the sewage is deoxidized, dephosphorization treatment can be directly carried out through the regenerative dephosphorization adsorbent in the adsorption plate 10, the operation is simple and convenient, the working efficiency is improved, meanwhile, the regenerative dephosphorization adsorbent in the adsorption plate 10 can be reduced through the analytic solution and the regenerative solution, the dephosphorization effect of the device is ensured, the regenerative dephosphorization adsorbent is in a porous fiber ball shape prepared from iron-manganese composite oxide, the top of the reaction tank 3 is provided with a stirring mechanism 8, the left side and the right side of the top of the reaction tank 3 and the deoxidation tank 1 are both provided with a pressure gauge 9 and a pressure relief valve, the pressure inside the deoxidation tank 1 and the reaction tank 3 can be conveniently monitored through the pressure gauge 9, timely adjustment is convenient, the probability of fault when the device is used is reduced, and meanwhile, when the pressure inside the deoxidation tank 1 and the reaction tank 3 is too high, the pressure can be relieved through the pressure relief valve, one side of the outside of the water outlet pipe 13, which is close to the gas separation membrane device 4, is provided with an ammonia content monitoring mechanism 14, one side of the outside of the water outlet pipe 13, which is far away from the gas separation membrane device 4, is provided with a control valve 15, one end of the water outlet pipe 13 is convenient to be plugged, so that the sewage can be conveniently circularly treated, the treatment effect on the sewage is improved, one end of the circulating pipe 16 is positioned between the ammonia content monitoring mechanism 14 and the control valve 15, the other end of the circulating pipe 16 is fixedly communicated with the dephosphorization box 2, when the ammonia content monitoring mechanism 14 detects that the ammonia content of the discharged purified water exceeds the standard, the control valve 15 is closed, the water still containing ammonia is guided into the dephosphorization box 2 along the circulating pipe 16 through the circulating pump 17, the treatment is carried out again according to the flow, the treatment effect on the denitrification of the sewage is improved, the models of the suction pump 12 and the circulating pump 17 are QDX25-12-1.5, the model of the ammonia content monitoring mechanism 14 is KY-200.

In conclusion, the integrated device for deep nitrogen and phosphorus removal of sewage is used, sewage is guided into a deoxygenation tank 1 along a water inlet 6, a chemical deoxygenation agent is added into the deoxygenation tank 1 through a dosing pump 5, the deoxygenation tank 1 is heated and deoxygenated through a temperature controller 18 controlling an electric heating jacket, the sewage is deoxygenated, the sewage in the deoxygenation tank 1 is guided into a dephosphorizing tank 2 through a suction pump 12 between the deoxygenating tank 1 and the dephosphorizing tank 2, phosphorus in the sewage is adsorbed through a regenerative dephosphorizing adsorbent inside an adsorption plate 10, after the dephosphorization, the sewage after the dephosphorization is guided into a reaction tank 3 through the dephosphorization tank 2 and a suction pump 12 between reaction tanks 3, an alkaline agent is injected into the deoxygenation tank 1 through the dosing pump 5 on the front side of the reaction tank 3, nitrogen in the sewage of the reaction tank 3 is converted into ammonia, and the sewage in the reaction tank 3 is guided into a gas separation membrane device 4 through the reaction tank 3 and the suction pump 12 between the gas separation membrane devices 4 The treatment is carried out through the gas separation membrane device 4, and the water purification and the ammonia gas at the separation part are discharged along the water outlet pipe 13 at the water purification, and the ammonia content in the water is detected through the ammonia content monitoring mechanism 14, when the ammonia content exceeds the standard, the control valve 15 is closed, and the water still containing the ammonia is treated again according to the flow inside the dephosphorization box 2 guided into along the circulating pipe 16 through the circulating pump 17.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. 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.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an integrated device of sewage degree of depth nitrogen and phosphorus removal, includes oxygen-eliminating tank (1), dephosphorization case (2), retort (3), gas separation membrane device (4) that connect gradually, its characterized in that: adjacent all be provided with honeycomb duct (11) between oxygen-eliminating tank (1), dephosphorization box (2), retort (3), gas separation membrane device (4), and the outside of honeycomb duct (11) is provided with suction pump (12), the equal fixed mounting in outside of oxygen-eliminating tank (1) and retort (3) has dosing pump (5), the inside joint of dephosphorization box (2) has adsorption plate (10), and the inside packing of adsorption plate (10) has the regeneration type to remove the phosphorus adsorbent, the side of gas separation membrane device (4) is provided with outlet pipe (13), and the fixed intercommunication in side of outlet pipe (13) has circulating pipe (16), the outside of circulating pipe (16) is provided with circulating pump (17).

2. The integrated device for deep nitrogen and phosphorus removal of sewage of claim 1, wherein: the fixed cover in the outside below of oxygen-eliminating jar (1) is equipped with the electrical heating cover, the positive fixed mounting of oxygen-eliminating jar (1) has temperature controller (18), and temperature controller (18) and electrical heating cover electric connection, the top fixed mounting of oxygen-eliminating jar (1) has water inlet (6).

3. The integrated device for deep nitrogen and phosphorus removal of sewage of claim 1, wherein: the top of dephosphorization case (2) articulates there is sealing top cap (7), the inside of dephosphorization case (2) is seted up and is adsorbed the card strip that board (10) mutually supported, adsorb board (10) wholly for the fretwork form, the quantity of adsorbing board (10) is five to ten.

4. The integrated device for deep nitrogen and phosphorus removal of sewage of claim 1, wherein: the top of retort (3) is provided with rabbling mechanism (8), the left and right sides at retort (3) and deoxidization jar (1) top all is provided with manometer (9), relief valve.

5. The integrated device for deep nitrogen and phosphorus removal of sewage of claim 1, wherein: and an ammonia content monitoring mechanism (14) is arranged on one side, close to the gas separation membrane device (4), of the outside of the water outlet pipe (13), and a control valve (15) is arranged on one side, far away from the gas separation membrane device (4), of the outside of the water outlet pipe (13).

6. The integrated device for deep nitrogen and phosphorus removal of sewage of claim 5, wherein: one end of the circulating pipe (16) is positioned between the ammonia content monitoring mechanism (14) and the control valve (15), and the other end of the circulating pipe (16) is fixedly communicated with the dephosphorization tank (2).