CN106336035B - Iron removing device for water treatment - Google Patents
Iron removing device for water treatment Download PDFInfo
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- CN106336035B CN106336035B CN201610714481.1A CN201610714481A CN106336035B CN 106336035 B CN106336035 B CN 106336035B CN 201610714481 A CN201610714481 A CN 201610714481A CN 106336035 B CN106336035 B CN 106336035B
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- 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
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
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- 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
- C02F2101/20—Heavy metals or heavy metal compounds
- C02F2101/203—Iron or iron compound
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- General Engineering & Computer Science (AREA)
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- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
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Abstract
The invention discloses an iron removal device for water treatment, which comprises an iron removal control valve and a filter material tank, wherein the iron removal control valve is provided with a valve body inner cavity with a piston, the valve body inner cavity is communicated with a flow channel, a flow channel A and a flow channel B, the flow channel is communicated with a side cavity, the bottom of the iron removal control valve is provided with a connector A, the flow channel A is communicated with an opening A, a flow channel D and an outlet A of the connector A, the flow channel B is communicated with an opening B, a flow channel C and an outlet B of the connector A, and the side surface of the iron removal control valve is provided with an interface communicated with the side cavity; the mouth of the filter material tank is downward and is provided with a joint B, the joint B is provided with an opening C, a flow passage F and an outlet C which are sequentially communicated, and an opening D, a flow passage E and an outlet D which are sequentially communicated, a water distributor is arranged in the mouth of the tank, the side surface of the water distributor is provided with a small hole, the center of the water distributor is provided with a straight pipe, the upper end of the straight pipe extends to the bottom of the tank, and the lower end of the straight pipe extends into the opening D; the pipeline A is connected with the outlet A, the outlet D and the pipeline C, the pipeline C is connected with the interface, and the pipeline B is connected with the outlet B and the outlet C; the pipeline C is provided with an ejector and an opening E.
Description
Technical Field
The invention relates to a deironing device for water treatment.
Background
The deironing device for water treatment on the market at present generally sucks air into a filter material tank for compression, and simultaneously contacts with liquid to be treated, so that ferrous iron dissolved in water is oxidized into ferric iron insoluble in water, the precipitated ferric iron is filtered by the filter material, and the treated liquid flows out. Because the iron removal mode is air and liquid contact oxidation, and the air suction process is also gas-liquid mixing, and the passing place of the gas-liquid mixing body can leave some precipitates. For this reason, the cleaning frequency of the automatic iron removal equipment is very high, and the control valve inner cavity component or the control valve product is replaced generally half a year. Some of the improved designs bypass the suction step through the valve body cavity and pass through other flow passages of the valve body, but also require replacement of the control valve product and filter canisters at least once a year. Therefore, many domestic and foreign manufacturers reduce the maintenance period of the product for removing iron or do not maintain the product.
Disclosure of Invention
The purpose of the invention is as follows: aiming at the problems in the prior art, the invention aims to provide a deironing device for water treatment, which separates a filter tank from a control valve, so that the air suction process does not pass through the control valve completely, and the service life of the control valve is prolonged.
In order to achieve the purpose, the invention adopts the following technical scheme: a deironing device for water treatment comprises a deironing control valve and a filter material tank, wherein the deironing control valve is provided with a valve body inner cavity and a side cavity, the valve body inner cavity is respectively communicated with a liquid inlet, a liquid outlet, a drain outlet, a flow channel A and a flow channel B, the flow channel is communicated with the side cavity, a piston is arranged in the valve body inner cavity, and the connection or the disconnection between the liquid inlet, the liquid outlet, the drain outlet, the flow channel A and the flow channel B and the valve body inner cavity is controlled through the motion of the piston;
the bottom of the iron removal control valve is provided with a connector A, the upper end of the connector A is provided with an opening A and a column body, the column body extends into a flow channel B, the center of the column body is provided with an opening B, the middle of the connector A is provided with a flow channel C and a flow channel D, the lower end of the connector A is provided with an outlet A and an outlet B, the flow channel A is sequentially communicated with the opening A, the flow channel D and the outlet A, the flow channel B is sequentially communicated with the opening B, the flow channel C and the outlet B, the side surface of the iron removal control valve is provided with a connector, and the connector is communicated with a side cavity;
the water distributor is arranged on the inner side of the tank opening of the filter tank, a plurality of small holes are formed in the side face of the water distributor, a straight pipe is arranged in the center of the water distributor, the upper end of the straight pipe extends to the bottom of an inner cavity of the tank body of the filter tank, and the lower end of the straight pipe extends into the opening D;
the device comprises a pipeline A, a pipeline B and a pipeline C, wherein one end of the pipeline A is connected with the outlet A, the other end of the pipeline A is respectively connected with the outlet D and one end of the pipeline C, the other end of the pipeline C is connected with a connector, one end of the pipeline B is connected with the outlet B, and the other end of the pipeline B is connected with the outlet C;
the middle of the pipeline C is provided with an ejector and an opening E, a liquid inlet of the ejector is communicated with the interface through the pipeline C, a spraying port of the ejector is communicated with the pipeline A through the pipeline C, an air inlet of the ejector is communicated with the opening E, and a check valve A is arranged in the opening E.
Further, deironing control valve passes through threaded connection with connecting A, and deironing control valve bottom side is equipped with external screw thread A, and external screw thread A upper end is equipped with annular protruding A, and annular protruding bottom surface is equipped with seal ring groove A, is equipped with sealing washer A in the seal ring groove A, opening A is equipped with internal thread A.
Further, the filter material jar passes through threaded connection with joint B, and the jar mouth of filter material jar is equipped with the internal thread, connects B upper end to be equipped with external screw thread B, and external screw thread B lower extreme is equipped with annular protruding B, and annular protruding B top surface is equipped with seal ring groove B, is equipped with sealing washer B in the seal ring groove B.
Furthermore, a sealing ring groove C is formed in the inner wall of the flow passage B, and a sealing ring C is arranged in the sealing ring groove C.
Furthermore, the inner wall of the opening D is provided with a seal ring groove D, and a seal ring D is arranged in the seal ring groove D.
Furthermore, one end of the pipeline C close to the pipeline A is provided with a check valve B.
Has the advantages that:
(1) the invention improves the structure of the filter material tank and the structure of a connecting pipeline between the filter material tank and the iron-removing control valve, changes the original mode that the iron-removing control valve is directly arranged on the filter material tank and the iron-containing liquid is treated by air suction, separates the filter material tank from the iron-removing control valve, ensures that the air suction process does not pass through the iron-removing control valve, basically has no influence on the control valve in the air-water mixing process of the iron-removing device, and greatly reduces the cleaning frequency of iron-removing control and the service life;
(2) the iron removal control valve belongs to a component with the highest value in an iron removal device, and the cost is reduced by reducing the replacement frequency of the control valve;
(3) because the iron removal control valve and the filter material tank are all connected by a standard pipeline, the replacement of the part where the air and water are mixed is also convenient.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a schematic structural diagram of an iron removal control valve;
FIG. 3 is a schematic view of the structure of the joint A;
FIG. 4 is a schematic structural view of a joint B;
in the figure: 1-an iron removal control valve, 2-a filter tank, 3-a tank inner cavity, 4-a pipeline C, 5-an ejector, 6-a check valve A, 7-an opening E, 8-a straight pipe, 9-a water distributor, 10-a sealing ring B, 11-a joint B, 12-a check valve B, 13-a pipeline B, 14-a sealing ring D, 15-a pipeline A, 16-a joint A, 17-a sealing ring A, 18-a sealing ring C, 19-a valve body inner cavity, 20-a flow channel, 21-a side cavity, 22-a connector, 23-a sealing ring groove A, 24-an external thread A, 25-a flow channel B, 26-a sealing ring groove C, 27-a flow channel A, 28-an opening A, 29-an opening B, 30-a cylinder and 31-a flow channel C, 32-outlet B, 33-outlet A, 34-flow channel D, 35-internal thread A, 36-opening C, 37-opening D, 38-sealing ring groove D, 39-external thread B, 40-sealing ring groove B, 41-outlet D, 42-flow channel E, 43-outlet C, 44-flow channel F, 45-annular protrusion B.
The specific implementation mode is as follows:
the invention is further explained below with reference to the drawings.
As shown in fig. 1 to 4, the deironing device for water treatment of the present invention comprises a deironing control valve 1 and a filter material tank 2.
The deironing control valve 1 is provided with a valve body inner cavity 19 and a side cavity 21, the valve body inner cavity 19 is respectively communicated with a liquid inlet, a liquid outlet, a sewage draining outlet, a flow channel 20, a flow channel A27 and a flow channel B25, the flow channel 20 is communicated with the side cavity 21, and a piston is arranged in the valve body inner cavity 19. The liquid inlet, the liquid outlet, the sewage draining exit, the flow passage 20, the flow passage A27 and the flow passage B25 are controlled to be communicated or separated with the inner cavity 19 of the valve body through the movement of the piston.
In the working process of the original iron removing device, when the iron removing control valve 1 is in an iron removing state, the flow passage A27 is communicated with the liquid inlet of the control valve, the flow passage B25 is communicated with the liquid outlet of the control valve, and the flow passage 20 is sealed by a piston; when the deironing control valve 1 is in an air-bleeding state, the flow passage B25 is communicated with the liquid inlet of the control valve, the flow passage A27 is communicated with a sewage draining outlet, and the flow passage 20 is sealed by a piston; when the deironing control valve 1 is in a suction state, the flow passage 20 is communicated with the liquid inlet, the flow passage A27 and the liquid inlet are sealed by a piston, and the flow passage B25 is communicated with a sewage outlet. The structure of the filter material tank 2 and the structure of the connecting pipeline between the filter material tank 2 and the iron-removing control valve 1 are improved, the original mode that the iron-removing control valve 1 is directly arranged on the filter material tank 2 and the iron-containing liquid is treated by air suction is changed, the filter material tank 2 is separated from the iron-removing control valve 1, and the air suction process is completely free from the iron-removing control valve 1.
In the invention, the bottom of the iron removal control valve 1 is provided with a joint A16. The upper end of the joint A16 is provided with an opening A28 and a column body 30, the column body 30 extends into the flow passage B25, and the center of the column body 30 is provided with an opening B29. The middle part of the joint A16 is provided with a flow passage C31 and a flow passage D34. The lower end of the joint A16 is provided with an outlet A33 and an outlet B32. The flow passage A27 is sequentially communicated with an opening A28, a flow passage D34 and an outlet A33, and the flow passage B25 is sequentially communicated with an opening B29, a flow passage C31 and an outlet B32. The side of the deironing control valve 1 is provided with a connector 22, and the connector 22 is communicated with the side cavity 21.
The iron removal control valve 1 is fixedly connected with the connector A16 through threads, the side face of the bottom of the iron removal control valve 1 is provided with an external thread A24, the upper end of the external thread A24 is provided with an annular bulge A, the bottom face of the annular bulge is provided with a sealing ring groove A23, and a sealing ring A17 is arranged in the sealing ring groove A23. The opening a28 is provided with internal threads a 35.
The mouth of the filter material tank 2 faces downwards and is provided with a joint B11. The upper end of the joint B11 is provided with an opening C36 and an opening D37, the inner wall of the opening D37 is provided with a sealing ring groove D38, and a sealing ring D14 is arranged in the sealing ring groove D38. The middle part of the joint B11 is provided with a flow passage E42 and a flow passage F44. The lower end of the joint B11 is provided with an outlet C43 and an outlet D41. The opening C36 is communicated with the flow passage F44 and the outlet C43 in sequence, and the opening D37 is communicated with the flow passage E42 and the outlet D41 in sequence. The inner side of the mouth of the filter material tank 2 is provided with a water distributor 9, the side surface of the water distributor 9 is provided with a plurality of small holes, and the center of the water distributor 9 is provided with a straight pipe 8. 8 upper ends of straight tube extend to the 3 bottoms of jar body inner chamber of filter material jar 2, and 8 lower extremes of straight tube stretch into in the opening D37.
The invention also includes line A15, line B13, and line C4. One end of a pipeline A15 is connected with an outlet A33, the other end of a pipeline A15 is respectively connected with an outlet D41 and one end of a pipeline C4, the other end of a pipeline C4 is connected with the connector 22, one end of a pipeline B13 is connected with an outlet B32, and the other end of a pipeline B13 is connected with an outlet C43.
The middle part of the pipeline C4 is provided with an ejector 5 and an opening E7, a liquid inlet of the ejector 5 is communicated with the interface 22 through a pipeline C4, a spray port of the ejector 5 is communicated with a pipeline A15 through a pipeline C4, a gas inlet of the ejector 5 is communicated with an opening E7, and a check valve A6 is arranged in an opening E7. A check valve B12 is provided at an end of the line C4 near the line a 15.
When in use, the filling height of the filter material in the filter material tank 2 is lower than the upper end of the straight pipe 8. The installation height of the iron removal control valve 1 is not lower than the bottom of the filter material tank 2. The ejector 5 is installed as close as possible to the pipeline 15.
When the deironing control valve 1 is in a deironing state, the flow passage A27 is communicated with a liquid inlet of the control valve, the flow passage B25 is communicated with a liquid outlet of the control valve, the flow passage 20 is sealed by the piston, and no liquid flows out of the connector 22. Liquid flows from the liquid inlet through flow passage a27 to opening 28 of fitting a16, through flow passage D34 out of outlet a33, and from line 15 to outlet D41 of fitting B11. The direction of the line 15 to the line 4 is now stopped by the check valve B12. Liquid enters from the outlet D41 of the joint B11, enters from the opening D37 into the straight pipe 8 through the flow passage E42, and flows out from the upper end of the straight pipe 8 into the inner cavity 3 of the tank body. Because the filter material tank 2 is in an inverted state, the bottom of the inner cavity 3 of the tank body is filled with air, and filter materials are accumulated at the opening part of the filter material tank 2. The liquid flows out from the upper end of the straight pipe 8 and then is scattered to contact with air for oxidation treatment. Then passes through the filter material and water distributor 9, enters the joint B11 from the opening 36C, and flows into the pipeline B13 from the outlet C43 through the flow passage F44. Then through outlet B32 through flow path C31, from opening B29 into control valve flow path B25 and out of the control valve outlet to complete the process. All the gas-water mixing processes are in the straight pipe opening and the tank body during iron removal, and the control valve is not affected.
When the deironing control valve 1 is in an air-bleeding state, the flow passage B25 is communicated with the liquid inlet of the control valve, the flow passage A27 is communicated with the sewage draining outlet, the flow passage 20 is sealed by the piston, and no liquid flows out of the connector 22. Liquid flows from the inlet of the control valve through flow passage B25 to opening B29 of fitting a16, through flow passage C31 to outlet B32, and from line B13 to outlet C43 of fitting B. Liquid flows into the mouth of the filter tank 2 from the opening C36 through a flow passage F44, the liquid level in the tank is lifted, the failed gas is pushed to enter the straight pipe 8 from the upper end of the straight pipe 8, then enters a flow passage E42 of a joint B11 from an opening D37, and then flows into the joint A16 from an outlet D41 through a pipeline A15 and an outlet A33. Then enters the flow passage A27 of the valve body 1 through the flow passage D34 and the opening A28 and finally is discharged from the sewage outlet of the control valve 1. The oxidizing function of the gas is thus exhausted and no oxidizing reaction with any liquid takes place. When exhausting, the air loses the function because of multiple oxidation, so no deposit is left when passing through the valve body, and the control valve is basically not influenced.
When the deironing control valve 1 is in a suction state, the flow channel 20 is communicated with a liquid inlet of the valve body, liquid enters from the liquid inlet, enters the flow channel 20 through the inner cavity 19 of the valve body, and then flows out from the connector 22 through the side cavity 21. At the moment, the flow passage A27 and the liquid inlet are sealed by the piston, and the flow passage B25 is communicated with the sewage draining outlet. The liquid passes through the pipeline C4 and the ejector 5 to suck air from the opening 7, the gas and the liquid are mixed to enter the pipeline 15, passes through the flow passage E42 from the outlet D41, enters the straight pipe 8 and enters the inner cavity 3 of the tank body from the upper end of the straight pipe 8. At the moment, the gas at the bottom of the inner cavity 3 of the tank body is increased, and the liquid level is pressed down. Liquid passes through the distributor, enters through opening 36C, and flows from outlet C43 through flow passage F44 into conduit B13. Then through the outlet B32 through flow passage C31, from opening B29 into the control valve flow passage B25, and finally out the control valve waste outlet. The air-water mixing process during air suction is mainly concentrated on the section from the joint of the pipeline C and the pipeline A to the inside of the tank body, and the control valve is not influenced.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (6)
1. An iron removal device for water treatment comprises an iron removal control valve (1) and a filter material tank (2), wherein the iron removal control valve (1) is provided with a valve body inner cavity (19) and a side cavity (21), the valve body inner cavity (19) is respectively communicated with a liquid inlet, a liquid outlet, a drain outlet, a flow channel (20), a flow channel A (27) and a flow channel B (25), the flow channel (20) is communicated with the side cavity (21), a piston is arranged in the valve body inner cavity (19), and the liquid inlet, the liquid outlet, the drain outlet, the flow channel (20), the flow channel A (27) and the flow channel B (25) are controlled to be communicated or separated with the valve body inner cavity (19) through the motion of the piston; the method is characterized in that:
the bottom of the iron removal control valve (1) is provided with a connector A (16), the upper end of the connector A (16) is provided with an opening A (28) and a cylinder (30), the cylinder (30) extends into a flow channel B (25), the center of the cylinder (30) is provided with an opening B (29), the middle of the connector A (16) is provided with a flow channel C (31) and a flow channel D (34), the lower end of the connector A (16) is provided with an outlet A (33) and an outlet B (32), the flow channel A (27) is sequentially communicated with the opening A (28), the flow channel D (34) and the outlet A (33), the flow channel B (25) is sequentially communicated with the opening B (29), the flow channel C (31) and the outlet B (32), the side face of the iron removal control valve (1) is provided with an interface (22), and the interface (22) is communicated with a side cavity (21);
the filter material tank is characterized in that a tank opening of the filter material tank (2) faces downwards and is provided with a connector B (11), an opening C (36) and an opening D (37) are arranged at the upper end of the connector B (11), a flow channel E (42) and a flow channel F (44) are arranged in the middle of the connector B (11), an outlet C (43) and an outlet D (41) are arranged at the lower end of the connector B (11), the opening C (36) is sequentially communicated with the flow channel F (44) and the outlet C (43), the opening D (37) is sequentially communicated with the flow channel E (42) and the outlet D (41), a water distributor (9) is arranged on the inner side of the tank opening of the filter material tank (2), a plurality of small holes are formed in the side face of the water distributor (9), a straight pipe (8) is arranged in the center of the water distributor (9), the upper end of the straight pipe (8) extends to the bottom of the tank inner cavity (3) of the filter material tank (2), and the lower end of the straight pipe (8) extends into the opening D (37);
the device is characterized by further comprising a pipeline A (15), a pipeline B (13) and a pipeline C (4), wherein one end of the pipeline A (15) is connected with the outlet A (33), the other end of the pipeline A (15) is respectively connected with the outlet D (41) and one end of the pipeline C (4), the other end of the pipeline C (4) is connected with the interface (22), one end of the pipeline B (13) is connected with the outlet B (32), and the other end of the pipeline B (13) is connected with the outlet C (43);
the middle part of the pipeline C (4) is provided with an ejector (5) and an opening E (7), a liquid inlet of the ejector (5) is communicated with the interface (22) through the pipeline C (4), a spray port of the ejector (5) is communicated with the pipeline A (15) through the pipeline C (4), a gas inlet of the ejector (5) is communicated with the opening E (7), and a check valve A (6) is arranged in the opening E (7);
when the deironing control valve (1) is in a deironing state, the flow channel A (27) is communicated with a liquid inlet of the control valve, the flow channel B (25) is communicated with a liquid outlet of the control valve, the flow channel (20) is sealed by a piston, the direction of the pipeline A (15) leading to the pipeline C (4) is stopped by the check valve B (12), the bottom of the inner cavity (3) of the tank body is filled with air because the filter material tank (2) is in an inverted state, and filter materials are accumulated at the opening part of the filter material tank (2);
when the deironing control valve (1) is in an air release state, the flow passage B (25) is communicated with a liquid inlet of the control valve, the flow passage A (27) is communicated with a sewage draining outlet, and the flow passage (20) is sealed by a piston;
when the deironing control valve (1) is in a suction state, the flow channel (20) is communicated with the liquid inlet of the valve body, liquid enters from the liquid inlet, enters the flow channel (20) through the inner cavity (19) of the valve body and flows out from the connector (22) through the side cavity (21), the flow channel A (27) and the liquid inlet are sealed by the piston at the moment, and the flow channel B (25) is communicated with the sewage outlet.
2. The iron removal device for water treatment according to claim 1, characterized in that: deironing control valve (1) passes through threaded connection with joint A (16), and deironing control valve (1) bottom side is equipped with external screw thread A (24), and external screw thread A (24) upper end is equipped with the protruding A of annular, and the protruding bottom surface of annular is equipped with seal ring groove A (23), is equipped with sealing washer A (17) in seal ring groove A (23), opening A (28) are equipped with internal thread A (35).
3. The iron removal device for water treatment according to claim 1, characterized in that: filter material jar (2) with connect B (11) to pass through threaded connection, the jar mouth of filter material jar (2) is equipped with the internal thread, connects B (11) upper end to be equipped with external screw thread B (39), external screw thread B (39) lower extreme is equipped with annular arch B (45), and annular arch B (45) top surface is equipped with seal ring groove B (40), is equipped with sealing washer B (10) in seal ring groove B (40).
4. The iron removal device for water treatment according to claim 1, characterized in that: and a sealing ring groove C (26) is formed in the inner wall of the flow passage B (25), and a sealing ring C (18) is arranged in the sealing ring groove C (26).
5. The iron removal device for water treatment according to claim 1, characterized in that: and a sealing ring groove D (38) is formed in the inner wall of the opening D (37), and a sealing ring D (14) is arranged in the sealing ring groove D (38).
6. The iron removal device for water treatment according to claim 1, characterized in that: and a check valve B (12) is arranged at one end of the pipeline C (4) close to the pipeline A (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610714481.1A CN106336035B (en) | 2016-08-24 | 2016-08-24 | Iron removing device for water treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610714481.1A CN106336035B (en) | 2016-08-24 | 2016-08-24 | Iron removing device for water treatment |
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| Publication Number | Publication Date |
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| CN106336035A CN106336035A (en) | 2017-01-18 |
| CN106336035B true CN106336035B (en) | 2022-09-16 |
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| CN201610714481.1A Active CN106336035B (en) | 2016-08-24 | 2016-08-24 | Iron removing device for water treatment |
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| CN109052739B (en) * | 2018-10-09 | 2024-03-29 | 南京福碧源环境技术有限公司 | Filter descaling shunt control valve |
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- 2016-08-24 CN CN201610714481.1A patent/CN106336035B/en active Active
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| CN106336035A (en) | 2017-01-18 |
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