CN115367904A - Water treatment facilities of ammonium catalyst can regenerate in circulation - Google Patents

Water treatment facilities of ammonium catalyst can regenerate in circulation Download PDF

Info

Publication number
CN115367904A
CN115367904A CN202210536860.1A CN202210536860A CN115367904A CN 115367904 A CN115367904 A CN 115367904A CN 202210536860 A CN202210536860 A CN 202210536860A CN 115367904 A CN115367904 A CN 115367904A
Authority
CN
China
Prior art keywords
control valve
tank
liquid
communicated
regeneration liquid
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202210536860.1A
Other languages
Chinese (zh)
Inventor
陈亦力
郭茜亚
莫恒亮
陈弘仁
孙广东
李锁定
刘曼曼
杨恒宇
赵文芳
向春
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Originwater Membrane Technology Co Ltd
Original Assignee
Beijing Originwater Membrane Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beijing Originwater Membrane Technology Co Ltd filed Critical Beijing Originwater Membrane Technology Co Ltd
Priority to CN202210536860.1A priority Critical patent/CN115367904A/en
Publication of CN115367904A publication Critical patent/CN115367904A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00—Multistage treatment of water, waste water or sewage
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/10—Inorganic compounds
    • C02F2101/16—Nitrogen compounds, e.g. ammonia
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/14—Maintenance of water treatment installations
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/16—Regeneration of sorbents, filters
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F7/00—Aeration of stretches of water
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/584—Recycling of catalysts

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)

Abstract

The invention relates to the technical field of catalyst production, in particular to a water treatment device for circulating a renewable ammonium catalyst, which comprises a filtering tank filled with the ammonium catalyst, wherein the bottom of the filtering tank is communicated with an ammonia nitrogen wastewater pool through a wastewater return pipe; the upper part of the filter tank body is respectively communicated with a water purifying tank and a cleaning tank through pipelines; the bottom of the filter tank is communicated with the regeneration liquid tank through a liquid feeding pipe, the upper part of the filter tank is communicated with the regeneration liquid tank through a first regeneration liquid return pipe, and the bottom of the filter tank is communicated with the regeneration liquid tank through a second regeneration liquid return pipe; the regeneration liquid tank is respectively communicated with a pure water barrel, a potassium permanganate solution barrel, a sodium salt mixed solution barrel, a sodium fluoride solution barrel and a calcium chloride solution barrel through pipelines; the problems that a chemical catalyst is gradually inactivated, an ammonia nitrogen oxidation product cannot be stabilized for a long time and the like in the prior art are solved through the design of a water treatment device for circulating the renewable ammonium catalyst.

Description

Water treatment facilities of ammonium catalyst can regenerate in circulation
The invention relates to the technical field of ammonium catalyst water treatment, in particular to a water treatment device for circulating a renewable ammonium catalyst.
Background
At present, most of the technical methods for removing ammonia nitrogen in polluted water in waterworks are a breakpoint chlorination method, an ion exchange method and a biological method. However, the breakpoint chlorination method has a large chlorine adding amount and high cost, and the generated disinfection by-products increase carcinogenic risks; the biological denitrification method has good ammonia nitrogen removal effect, but is easily influenced by external environments such as temperature, pH and the like, and has strict requirements on conditions; the ion exchange method has large resin consumption and higher regeneration cost; the catalyst in the traditional ammonium catalyst method is quick to lose efficacy, and more solid waste products are generated.
Therefore, in view of the above problems, the present invention is urgently needed to provide a water treatment device for recycling a renewable ammonium catalyst.
Disclosure of Invention
The invention aims to provide a water treatment device for circulating a renewable ammonium catalyst, which solves the problems that a chemical catalyst is gradually inactivated, an ammonia nitrogen oxidation product cannot be stabilized for a long time and the like in the prior art through the equipment design of the water treatment device for circulating the renewable ammonium catalyst.
A water treatment device for circulating a renewable ammonium catalyst,
the device comprises a filtering tank filled with an ammonium catalyst, wherein the bottom of the filtering tank is communicated with an ammonia nitrogen wastewater pool through a wastewater return pipe, and a tank body of the filtering tank is communicated with the ammonia nitrogen wastewater pool through a wastewater inlet pipe; the upper part of the filter tank body is respectively communicated with the water purifying tank and the cleaning tank through pipelines;
the bottom of the filter tank is communicated with the regeneration liquid tank through a liquid feeding pipe, the upper part of the filter tank is communicated with the regeneration liquid tank through a first regeneration liquid return pipe, and the bottom of the filter tank is also communicated with the regeneration liquid tank through a second regeneration liquid return pipe;
the regeneration liquid tank is also respectively communicated with the pure water barrel, the potassium permanganate solution barrel, the sodium salt mixed solution barrel, the sodium fluoride solution barrel and the calcium chloride solution barrel through pipelines.
Preferably, a liquid feeding control valve and a liquid feeding pump are installed on the liquid feeding pipe; a first regeneration liquid return pipe is provided with a first liquid return control valve; a second liquid return control valve is arranged on the second regenerated liquid return pipe;
a first electromagnetic control valve is arranged on a pipeline between the regeneration liquid tank and the pure water barrel; a second electromagnetic control valve is arranged on a pipeline between the regeneration liquid tank and the potassium permanganate solution barrel; a third electromagnetic control valve is arranged on a pipeline between the regeneration liquid tank and the sodium salt mixed liquid barrel; a fourth electromagnetic control valve is arranged on a pipeline between the regenerated liquid tank and the sodium fluoride solution barrel; a fifth electromagnetic control valve is arranged on a pipeline between the regeneration liquid tank and the calcium chloride solution barrel;
a liquid level meter, a fluorine ion detector and a calcium ion detector are arranged in the regeneration liquid tank;
the ammonia nitrogen detector, the liquid level meter, the fluorine ion detector and the calcium ion detector are all electrically connected with the controller; the liquid feeding control valve, the liquid feeding pump, the first liquid return control valve, the second liquid return control valve, the first electromagnetic control valve, the second electromagnetic control valve, the third electromagnetic control valve, the fourth electromagnetic control valve and the fifth electromagnetic control valve are all electrically connected with the controller.
Preferably, a return water control valve is installed on the wastewater return pipe, and a water inlet control valve and a wastewater inlet pump are installed on the wastewater inlet pipe; a purified water control valve and an ammonia nitrogen detector are arranged on a pipeline between the filter tank and the purified water tank; a cleaning control valve is arranged on a pipeline between the filtering tank and the cleaning tank;
the ammonia nitrogen detector is electrically connected with the controller, and the return water control valve, the water inlet control valve, the wastewater inlet pump, the water purification control valve and the cleaning control valve are all electrically connected with the controller.
Preferably, the liquid level meter, the fluorine ion detector and the calcium ion detector extend into the regeneration liquid tank; the side wall of the regeneration liquid tank is communicated with an overflow pipe.
Preferably, the bottom of the filter tank is also communicated with an aeration pipe, the other end of the aeration pipe is communicated with an aeration pump, and the aeration pump is electrically connected with the controller.
The bottom of the filter tank is also communicated with a drain pipe, a drain control valve is arranged on the drain pipe, and the drain control valve is electrically connected with the controller.
Preferably, the second liquid return control valve is a one-way solenoid control valve.
Preferably, the material of filter tank is organic glass, and filter tank's diameter 20cm, height are 180cm, and side wall thickness is 2cm.
Preferably, the filter tank is filled with at least one of ammonium catalyst particles and ammonium catalyst powder.
Preferably, the side wall of the filter tank is provided with scale marks.
Compared with the prior art, the water treatment device for circulating the renewable ammonium catalyst provided by the invention has the following advantages that:
according to the water treatment device for the circulating renewable ammonium catalyst, provided by the invention, the regeneration of the invalid ammonium catalyst can be realized when the device is operated, so that the catalytic oxidation activity of the ammonium catalyst is improved, the ammonia nitrogen degradation efficiency of the ammonium catalyst is improved, the ammonia nitrogen can be continuously and efficiently removed, the cost can be reduced, the sludge yield is reduced, better conditions are provided for green and sustainable development of water treatment, and automatic control, production and ammonium catalyst regeneration are realized.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic diagram of a water treatment plant for recycling regenerable ammonium catalyst as described in the present invention;
FIG. 2 is a circuit diagram of a water treatment apparatus for recycling regenerable ammonium catalyst as described in the present invention.
Description of the reference numerals:
1. the system comprises a filter tank, a 2, a regeneration liquid tank, a 3, a pure water tank, a 4, a potassium permanganate solution tank, a 5, a sodium salt mixed liquid tank, a 6, a sodium fluoride solution tank, a 7, a calcium chloride solution tank, an 8, a pure water tank, a 9, a cleaning tank, a 10, an ammonia nitrogen wastewater pond, a 11, a clean water control valve, a 12, a cleaning control valve, a 13, a first liquid return control valve, a 14, a liquid feeding control valve, a 15, a second liquid return control valve, a 16, a drain pipe, a 17, a first electromagnetic control valve, a 18, a second electromagnetic control valve, a 19, a third electromagnetic control valve, a 20, a fourth electromagnetic control valve, a 21, a fifth electromagnetic control valve, a 22, a water inlet control valve, a 23, a water return control valve, a 24, a controller, a 25, a first regeneration liquid return pipe, a 26, a second regeneration liquid return pipe, a 27, a liquid feeding pipe, a 28 wastewater return pipe, a 29, a wastewater inlet pipe, a 30, an overflow pipe, a 31, an aeration pipe, a 32, an aeration pump, a 33, an ammonia nitrogen detector, a 34, a water feeding pump, a 35 and a liquid feeding pump.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
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. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified 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 a specific case to those of ordinary skill in the art.
As shown in fig. 1 and fig. 2, the water treatment device for recycling renewable ammonium catalyst provided by the invention,
a water treatment device for circulating renewable ammonium catalyst,
the ammonia nitrogen wastewater treatment device comprises a filter tank 1 filled with an ammonium catalyst, wherein the bottom of the filter tank 1 is communicated with an ammonia nitrogen wastewater pool 10 through a wastewater return pipe 28, and a tank body of the filter tank 1 is communicated with the ammonia nitrogen wastewater pool 10 through a wastewater inlet pipe 29; the upper part of the filter tank 1 is respectively communicated with a water purifying tank 8 and a cleaning tank 9 through pipelines;
the device also comprises a regeneration liquid tank 2, the bottom of the filter tank 1 is communicated with the regeneration liquid tank 2 through a liquid feeding pipe 27, the upper part of the filter tank 1 is communicated with the regeneration liquid tank 2 through a first regeneration liquid return pipe 25, and the bottom of the filter tank 1 is also communicated with the regeneration liquid tank 2 through a second regeneration liquid return pipe 26;
the regeneration liquid tank 2 is also respectively communicated with a pure water barrel 3, a potassium permanganate solution barrel 4, a sodium salt mixed solution barrel 5, a sodium fluoride solution barrel 6 and a calcium chloride solution barrel 7 through pipelines.
The filtering tank 1 is used for filtering ammonia nitrogen wastewater, the water purifying tank 8 is used for receiving filtered purified water, and the cleaning tank 9 is filled with water and is mainly used for spraying an ammonium catalyst in the filtering tank; the regeneration liquid tank 2 is used for containing regeneration liquid,the ammonia nitrogen wastewater tank 10 is used for containing ammonia nitrogen wastewater, and the potassium permanganate solution barrel 4 is filled with KMnO with the concentration of 1g/L 4 The solution and sodium salt mixed solution barrel 5 is filled with Na containing 5g/L of each of phosphorus, boron and silicon elements 2 HPO 4 、H 3 BO 3 、Na 2 SiO 3 ·9H 2 O mixed solution, wherein a sodium fluoride solution barrel 6 is filled with NaF solution containing 5000mg/L of fluorine elements, a calcium chloride solution barrel 7 is filled with CaCl containing 10000mg/L of calcium elements 2 And (3) solution.
The liquid feeding pipe 27 is provided with a liquid feeding control valve 14 and a liquid feeding pump 35; the first regeneration liquid return pipe 25 is provided with a first liquid return control valve 13; a second liquid return control valve 15 is arranged on the second regenerated liquid return pipe 26;
a first electromagnetic control valve 17 is arranged on a pipeline between the regeneration liquid tank 2 and the pure water barrel 3; a second electromagnetic control valve 18 is arranged on a pipeline between the regeneration liquid tank 2 and the potassium permanganate solution barrel 4; a third electromagnetic control valve 19 is arranged on a pipeline between the regeneration liquid tank 2 and the sodium salt mixed liquid barrel 5; a fourth electromagnetic control valve 20 is arranged on a pipeline between the regenerated liquid tank 2 and the sodium fluoride solution barrel 6; a fifth electromagnetic control valve 21 is arranged on a pipeline between the regeneration liquid tank 2 and the calcium chloride solution barrel 7;
a liquid level meter, a fluorine ion detector and a calcium ion detector are arranged in the regeneration liquid tank 2;
the device also comprises a controller 24, wherein the ammonia nitrogen detector 33, the liquid level meter, the fluorine ion detector and the calcium ion detector are all electrically connected with the controller 24; the liquid feeding control valve 14, the liquid feeding pump 35, the first liquid return control valve 13, the second liquid return control valve 15, the first electromagnetic control valve 17, the second electromagnetic control valve 18, the third electromagnetic control valve 19, the fourth electromagnetic control valve 20 and the fifth electromagnetic control valve 21 are all electrically connected with the controller 24.
A return water control valve 23 is arranged on the waste water return pipe 28, and a water inlet control valve 22 and a waste water inlet pump 34 are arranged on the waste water inlet pipe 29; a purified water control valve 11 and an ammonia nitrogen detector 33 are arranged on a pipeline between the filter tank 1 and the purified water tank 8; a cleaning control valve 12 is arranged on a pipeline between the filter tank 1 and the cleaning tank 9;
the ammonia nitrogen detector 33 is electrically connected with the controller 24, and the backwater control valve 23, the water inlet control valve 22, the wastewater inlet pump 34, the water purification control valve 11 and the cleaning control valve 12 are electrically connected with the controller 24.
The purified water control valve 11 is used for discharging the filtered purified water, and the ammonia nitrogen detector 33 is used for monitoring the ammonia nitrogen content in the discharged purified water in real time and transmitting signals to the controller 24 in time; the cleaning tank 9 is filled with cleaning liquid for cleaning the filter tank 1, and the cleaning liquid can be sprayed into the filter tank 1 to be cleaned by controlling the cleaning control valve 12; the first regenerated liquid return pipe 25 is used for discharging regenerated liquid in the filter tank 1 from the upper end; a second regeneration liquid return pipe 26 for discharging the regeneration liquid in the filtration tank 1 from the lower end by self-flow; the regeneration liquid enters from the bottom of the filter tank 1 through a liquid feeding pipe 27, and the regeneration circulation of the ammonium catalyst in the filter tank 1 is started; the backwater control valve 23 is used for discharging ammonia nitrogen wastewater in the filter tank 1, and the water inlet control valve 22 is used for inputting ammonia nitrogen wastewater in the filter tank 1.
The liquid level meter, the fluorine ion detector and the calcium ion detector extend into the regeneration liquid tank 2; an overflow pipe 30 is communicated with the side wall of the regeneration liquid tank 2.
The bottom of the filter tank 1 is also communicated with an aeration pipe 31, the other end of the aeration pipe 31 is communicated with an aeration pump 32, and the aeration pump 32 is electrically connected with the controller 24.
The bottom of the filter tank 1 is also communicated with a drain pipe 16, a drain control valve is arranged on the drain pipe, and the drain control valve is electrically connected with a controller 24.
The second return-liquid control valve 15 is a one-way electromagnetic control valve.
The material of the filter tank 1 is organic glass, the diameter of the filter tank 1 is 20cm, the height of the filter tank is 180cm, and the thickness of the side wall of the filter tank is 2cm.
The filter tank 1 is filled with at least one of ammonium catalyst particles and ammonium catalyst powder, preferably a mixture of ammonium catalyst particles and ammonium catalyst powder.
The side wall of the filter tank 1 is provided with scale marks.
The working process of the water treatment device for recycling the renewable ammonium catalyst provided by the embodiment comprises the following steps:
s1, an ammonia nitrogen wastewater catalytic oxidation stage, wherein 5000g of formed ammonium catalyst particles are filled in a filter tank 1, a water purification control valve 11, a water inlet control valve 22, an aeration pump 32 and an ammonia nitrogen detector 33 are opened, catalytic oxidation of ammonia nitrogen wastewater is started, the ammonia nitrogen concentration in the ammonia nitrogen wastewater is 20-200mg/L, the filtration retention time is 1-2h, the aeration pump 32 continuously aerates air, the air inflow is 0.5-2.5L/min, the ammonia nitrogen detector 33 detects the ammonia nitrogen content in the filtered purified water in real time, when the ammonia nitrogen content is greater than 1mg/L, the ammonia nitrogen detector 33 gives an alarm, when the ammonia nitrogen content exceeds the standard, the ammonia nitrogen detector 33 transmits a signal to a controller 24, and the controller 24 closes the water purification control valve 11, the water inlet control valve 22 and the aeration pump 32 through electric transmission;
opening a water return control valve 23, discharging the ammonia nitrogen wastewater which is not completely filtered into an ammonia nitrogen wastewater pool 10, and closing the water return control valve 23 after the discharge is finished;
s2, in the ammonium catalyst regeneration stage, after the steps S1 and S2 are performed, ammonium catalyst is subjected to ammonium removal, ammonium catalyst restoration or oxidation is performed, the first liquid return control valve 13 and the liquid supply control valve 14 are opened, and KMnO in the regeneration liquid tank 2 4 The regenerated liquid enters the filter tank 1 through the liquid feeding control valve 14 and returns to the regenerated liquid tank 2 through the first liquid return control valve 13, the ammonium catalyst is soaked for 2-4h in a dynamic circulation mode, after the dynamic circulation is finished, the second liquid return control valve 15 is opened, and part of KMnO 4 The regenerated liquid is conveyed to the regenerated liquid tank 2 through the second liquid return control valve 15 under the action of gravity, so that the first liquid return control valve 13, the liquid supply control valve 14 and the second liquid return control valve 15 are automatically closed after the primary regeneration stage of the ammonium catalyst is finished;
s3, in the stage of cleaning the filter tank, the cleaning control valve 12 and the drain control valve on the drain pipe 16 are opened to clean the ammonium catalyst in the filter tank 1, and KMnO remained on the surface of the ammonium catalyst 4 And cleaning by using the regenerated liquid, and closing the cleaning control valve 12 and the drain control valve on the drain pipe 16 after the regular cleaning is finished.
S4.KMnO 4 In the regeneration liquid replenishing stage, a first electromagnetic control valve 17, a second electromagnetic control valve 18, a third electromagnetic control valve 19, a fourth electromagnetic control valve 20 and a fifth electromagnetic control valve 21 are respectively opened to convey pure water, potassium permanganate solution and Na through pipelines 2 HPO 4 、H 3 BO 3 、Na 2 SiO 3 ·9H 2 And (3) conveying the O mixed solution, the sodium fluoride solution and the calcium chloride solution to a regeneration liquid tank 2, detecting the liquid level meter, the fluorine ion detector and the calcium ion detector in real time at the stage, transmitting signals to a controller 24, controlling the first electromagnetic control valve 17, the second electromagnetic control valve 18, the third electromagnetic control valve 19, the fourth electromagnetic control valve 20 and the fifth electromagnetic control valve 21 by the controller 24 in time, and when the liquid level exceeds 100L, flowing out redundant liquid through an overflow port 30.
The content in the regeneration liquid tank 2 was 50mg/L KMnO 4 Na containing 2mg/L of phosphorus element 2 HPO 4 H containing 2mg/L of boron element 3 BO 3 Na containing 2mg/L of silicon element 2 SiO 3 ·9H 2 O, naF containing 5-10mg/L of fluorine element and CaCl containing 40-100mg/L of calcium element 2 100L of the mixed solution (3).
According to the water treatment device for the circulating renewable ammonium catalyst, provided by the invention, the regeneration of the invalid ammonium catalyst can be realized when the device is operated, so that the catalytic oxidation activity of the ammonium catalyst is improved, the ammonia nitrogen degradation efficiency of the ammonium catalyst is improved, the ammonia nitrogen can be continuously and efficiently removed, the cost can be reduced, the sludge yield is reduced, better conditions are provided for green and sustainable development of water treatment, and automatic control, production and ammonium catalyst regeneration are realized.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and these modifications or substitutions do not depart from the spirit of the corresponding technical solutions of the embodiments of the present invention.

Claims (10)

1. A water treatment device for circulating renewable ammonium catalyst is characterized in that:
the ammonia nitrogen wastewater treatment device comprises a filtering tank (1) filled with an ammonium catalyst, wherein the bottom of the filtering tank (1) is communicated with an ammonia nitrogen wastewater pool (10) through a wastewater return pipe (28), and a tank body of the filtering tank (1) is communicated with the ammonia nitrogen wastewater pool (10) through a wastewater inlet pipe (29); the upper part of the tank body of the filter tank (1) is respectively communicated with the water purifying tank (8) and the cleaning tank (9) through pipelines;
the device is characterized by further comprising a regeneration liquid tank (2), the bottom of the filter tank (1) is communicated with the regeneration liquid tank (2) through a liquid feeding pipe (27), the upper part of the filter tank (1) is communicated with the regeneration liquid tank (2) through a first regeneration liquid return pipe (25), and the bottom of the filter tank (1) is further communicated with the regeneration liquid tank (2) through a second regeneration liquid return pipe (26);
the regeneration liquid tank (2) is also respectively communicated with a pure water barrel (3), a potassium permanganate solution barrel (4), a sodium salt mixed liquid barrel (5), a sodium fluoride solution barrel (6) and a calcium chloride solution barrel (7) through pipelines.
2. The water treatment plant for recycling regenerable ammonium catalyst as set forth in claim 1, wherein:
a liquid feeding control valve (14) and a liquid feeding pump (35) are arranged on the liquid feeding pipe (27); a first liquid return control valve (13) is arranged on the first regeneration liquid return pipe (25); a second liquid return control valve (15) is arranged on the second regenerated liquid return pipe (26);
a first electromagnetic control valve (17) is arranged on a pipeline between the regeneration liquid tank (2) and the pure water barrel (3); a second electromagnetic control valve (18) is arranged on a pipeline between the regeneration liquid tank (2) and the potassium permanganate solution barrel (4); a third electromagnetic control valve (19) is arranged on a pipeline between the regeneration liquid tank (2) and the sodium salt mixed liquid barrel (5); a fourth electromagnetic control valve (20) is arranged on a pipeline between the regeneration liquid tank (2) and the sodium fluoride solution barrel (6); a fifth electromagnetic control valve (21) is arranged on a pipeline between the regeneration liquid tank (2) and the calcium chloride solution barrel (7);
a liquid level meter, a fluorine ion detector and a calcium ion detector are arranged in the regeneration liquid tank (2);
the device also comprises a controller (24), wherein the ammonia nitrogen detector (33), the liquid level meter, the fluorine ion detector and the calcium ion detector are electrically connected with the controller (24); the liquid feeding control valve (14), the liquid feeding pump (35), the first liquid return control valve (13), the second liquid return control valve (15), the first electromagnetic control valve (17), the second electromagnetic control valve (18), the third electromagnetic control valve (19), the fourth electromagnetic control valve (20) and the fifth electromagnetic control valve (21) are all electrically connected with the controller (24).
3. The water treatment plant for recycling regenerable ammonium catalysts of claim 2, wherein: a return water control valve (23) is arranged on the waste water return pipe (28), and a water inlet control valve (22) and a waste water inlet pump (34) are arranged on the waste water inlet pipe (29); a water purification control valve (11) and an ammonia nitrogen detector (33) are arranged on a pipeline between the filter tank (1) and the water purification tank (8); a cleaning control valve (12) is arranged on a pipeline between the filtering tank (1) and the cleaning tank (9);
the ammonia nitrogen detector (33) is electrically connected with the controller (24), and the backwater control valve (23), the water inlet control valve (22), the wastewater inlet pump (34), the water purification control valve (11) and the cleaning control valve (12) are electrically connected with the controller (24).
4. The water treatment plant for recycling regenerable ammonium catalyst as set forth in claim 3, wherein: the liquid level meter, the fluorine ion detector and the calcium ion detector extend into the regeneration liquid tank (2); an overflow pipe (30) is communicated with the side wall of the regeneration liquid tank (2).
5. The water treatment plant for recycling regenerable ammonium catalysts of claim 4, wherein: an aeration pipe (31) is further installed at the bottom of the filter tank (1), the other end of the aeration pipe (31) is communicated with an aeration pump (32), and the aeration pump (32) is electrically connected with the controller (24).
6. The water treatment plant for recycling regenerable ammonium catalysts of claim 5, wherein: the bottom of the filter tank (1) is also communicated with a drain pipe (16), a drain control valve is arranged on the drain pipe, and the drain control valve is electrically connected with a controller (24).
7. The water treatment plant for recycling regenerable ammonium catalysts of claim 6, wherein: the second liquid return control valve (15) is a one-way electromagnetic control valve.
8. The water treatment plant for recycling regenerable ammonium catalysts of claim 7, wherein: the material of the filter tank (1) is organic glass, the diameter of the filter tank (1) is 20cm, the height of the filter tank is 180cm, and the thickness of the side wall of the filter tank is 2cm.
9. The water treatment plant for recycling regenerable ammonium catalyst as recited in claim 8, wherein: the filter tank (1) is filled with at least one of ammonium catalyst particles and ammonium catalyst powder.
10. The water treatment plant for recycling regenerable ammonium catalyst as recited in claim 9, wherein: the side wall of the filter tank (1) is provided with scale marks.
CN202210536860.1A 2022-05-17 2022-05-17 Water treatment facilities of ammonium catalyst can regenerate in circulation Pending CN115367904A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210536860.1A CN115367904A (en) 2022-05-17 2022-05-17 Water treatment facilities of ammonium catalyst can regenerate in circulation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210536860.1A CN115367904A (en) 2022-05-17 2022-05-17 Water treatment facilities of ammonium catalyst can regenerate in circulation

Publications (1)

Publication Number Publication Date
CN115367904A true CN115367904A (en) 2022-11-22

Family

ID=84060553

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210536860.1A Pending CN115367904A (en) 2022-05-17 2022-05-17 Water treatment facilities of ammonium catalyst can regenerate in circulation

Country Status (1)

Country Link
CN (1) CN115367904A (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170137300A1 (en) * 2015-11-17 2017-05-18 China University Of Geosciences (Wuhan) System and method for recycling rare earth and ammonia nitrogen from rare earth wastewater
CN111804304A (en) * 2020-07-03 2020-10-23 北京碧水源科技股份有限公司 Core-shell structure composite filter material, preparation method and application thereof, ammonia nitrogen wastewater treatment method and device
CN113083317A (en) * 2021-04-07 2021-07-09 北京碧水源膜科技有限公司 Preparation method and preparation system of ammonium catalyst, active iron manganese oxide ammonium catalyst and deamination application
CN113880319A (en) * 2021-11-19 2022-01-04 上海言征分离技术有限公司 Ammonia nitrogen wastewater treatment method and system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170137300A1 (en) * 2015-11-17 2017-05-18 China University Of Geosciences (Wuhan) System and method for recycling rare earth and ammonia nitrogen from rare earth wastewater
CN111804304A (en) * 2020-07-03 2020-10-23 北京碧水源科技股份有限公司 Core-shell structure composite filter material, preparation method and application thereof, ammonia nitrogen wastewater treatment method and device
CN113083317A (en) * 2021-04-07 2021-07-09 北京碧水源膜科技有限公司 Preparation method and preparation system of ammonium catalyst, active iron manganese oxide ammonium catalyst and deamination application
CN113880319A (en) * 2021-11-19 2022-01-04 上海言征分离技术有限公司 Ammonia nitrogen wastewater treatment method and system

Similar Documents

Publication Publication Date Title
KR100190220B1 (en) Water treating method and apparatus treating waste water by using ion exchange resin
US5607593A (en) Installation for making water potable with submerged filtering membranes
CN104529001B (en) Efficiently remove COD in waste watercro3 catalytic oxidation fluidized-bed reactor
CN201433143Y (en) External pressure type ultra-filtration membrane water purification device
CN105384316A (en) Electronic industrial fluoride, ammonia and nitrogen-containing wastewater treatment method
CN105645625A (en) High-efficiency high-recovery-rate reverse osmosis dense water recycling treatment method and system
JP3370576B2 (en) Ultrapure water production equipment
CN205662404U (en) Zero release water treatment facilities
KR101235003B1 (en) Submerged-type membrane filtration equipment using an all-in-one pump for advanced drinking water treatment
CN210261204U (en) Water defluorination device used in water pollution prevention and control process
CN115367904A (en) Water treatment facilities of ammonium catalyst can regenerate in circulation
CN205662395U (en) Circulation water treatment facilities
CN106007040A (en) Heavy metal wastewater treatment system and method
JP4783773B2 (en) Mobile cleaning device for membrane filtration device
JP5393409B2 (en) Waste water treatment apparatus and waste water treatment method
JPH0443705B2 (en)
CN205974027U (en) Heavy metal waste water treatment system
CN206476836U (en) A kind of iron and steel enterprise's wastewater treatment and the device recycled
CN219384924U (en) Eel breeding wastewater purification and regeneration system
KR101848790B1 (en) Self-cleaning waste gas scrubber
CN220684787U (en) Container formula water purification system
CN210065394U (en) Desulfurization waste water treatment equipment of self-cleaning
RU2808013C1 (en) Method for purifying groundwater from radon, alpha activity, iron, manganese, hardness salts and carbon dioxide
CN217340855U (en) Immersed ultrafiltration membrane chemical cleaning liquid medicine recycling system
CN209759187U (en) Ecological physical degerming purifier of swimming pool quality of water

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination