CN217921576U - Test device for electrochemical deep removal of ammonia-containing organic wastewater - Google Patents
Test device for electrochemical deep removal of ammonia-containing organic wastewater Download PDFInfo
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- CN217921576U CN217921576U CN202222238310.XU CN202222238310U CN217921576U CN 217921576 U CN217921576 U CN 217921576U CN 202222238310 U CN202222238310 U CN 202222238310U CN 217921576 U CN217921576 U CN 217921576U
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Abstract
The utility model provides a test device that ammonia organic waste water was got rid of to electrochemistry degree of depth, including at least one reaction chamber, two at least electrode plate structures, water conservancy diversion room and DC power supply, reaction chamber one side is provided with DC power supply, set up the accommodation space who holds the electrode plate structure in the reaction chamber, the electrode plate structure with the DC power supply electricity is connected, the water conservancy diversion room is installed to the reaction chamber opposite side. The utility model discloses beneficial effect: the effective removal of ammonia nitrogen and organic matters can be realized at the same time; the active oxides for removing ammonia nitrogen and organic matters are generated by the catalysis of the electrode plates, so that secondary pollution caused by an additional reagent is avoided, the ammonia nitrogen removal rate reaches over 99 percent, the COD removal rate reaches 55.1 percent, the effluent index concentration can meet the standard, and the removal effect is stable.
Description
Technical Field
The utility model belongs to the technical field of the water treatment, especially, relate to a test device that ammonia-containing organic waste water was got rid of to electrochemistry degree of depth.
Background
The ammonia-containing wastewater is one of common wastewater generated in coal chemical industry, chemical fertilizer, coal-fired power plants, food processing plants and other industries, has the hazards of high concentration, strong toxicity and the like, and in addition, because ammonia nitrogen is a nutrient source of algae substances, if the ammonia nitrogen is excessively discharged into a water body, the eutrophication of the water body is easy to cause, so that a water ecosystem is damaged. The treatment method of the wastewater mainly comprises a biological method, a physical method, a chemical method and the like. However, the single method for treating the high-concentration ammonia nitrogen wastewater has certain limitations, such as long hydraulic retention time by adopting a biological method and easy inhibition of ammonia nitrogen on microorganisms, and high cost and easy secondary pollution caused by adding a large amount of medicaments by adopting a chemical method.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention provides a testing apparatus for electrochemical deep removal of ammonia-containing organic wastewater, so as to overcome the deficiencies of the prior art.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
the utility model provides a test device that ammonia organic waste water was got rid of to electrochemistry degree of depth, includes at least one reaction chamber, two at least electrode plate structures, water conservancy diversion room and DC power supply, reaction chamber one side is provided with DC power supply, set up the accommodation space who holds the electrode plate structure in the reaction chamber, the electrode plate structure with the DC power supply electricity is connected, the water conservancy diversion room is installed to the reaction chamber opposite side.
Furthermore, the number of the reaction chambers is not less than 2, two of the reaction chambers are symmetrically arranged on two sides of the guide plate, the reaction chamber arranged on the left side of the guide plate is a first reactor, and the reaction chamber arranged on the right side of the guide plate is a second reactor.
Further, the reaction chamber includes upper portion and lower part, upper portion with the lower part is the integrated into one piece structure, just upper portion with the inside intercommunication of lower part, two are installed to the inside top in upper portion the plate electrode structure, the overflow hole has still been seted up to the inside top in upper portion, the water inlet is seted up to upper portion one side of first reactor, a plurality of water conservancy diversion mouths have been seted up to the upper portion opposite side top of first reactor, upper portion is the cuboid structure, the lower part is the toper funnel structure.
Furthermore, a water outlet is formed in the upper portion of one side of the upper portion of the second reactor, and the distance between the water outlet and the top of the second reactor is 20cm.
Furthermore, the overflow hole arranged at the upper part of the reaction chamber is 10cm away from the top of the reaction chamber.
Further, the water inlet is positioned at the bottom of the first reactor and is 25cm away from the bottom of the first reactor.
Furthermore, the bottom of the lower part is provided with a vent hole, and the vent hole is connected with an external vent pipe through a pipeline.
Further, the plate electrode structure includes plate electrode body and electrode connecting piece, the plate electrode body is located the reacting chamber, plate electrode body top is connected to the electrode connecting piece, the plate electrode body still with DC power supply passes through the connection of electric lines, the electrode connecting piece is the loop bar structure, electrode connecting piece joint extremely in a plurality of holding tanks that the reacting chamber top was seted up.
Furthermore, the electrode plate body is a RuO2/Ti electrode.
Further, the diversion chamber comprises a diversion shell and a plurality of diversion folded plates, the diversion shell is internally provided with the diversion folded plates, a plurality of inlets are formed above one side of the diversion shell and correspond to the first diversion port in a one-to-one manner, a plurality of liquid outlets are formed at the bottom of the other side of the diversion shell and correspond to the second diversion port in a one-to-one manner.
Compared with the prior art, the test device for removing ammonia-containing organic wastewater in an electrochemical deep manner has the following advantages:
(1) The test device for electrochemical deep removal of ammonia-containing organic wastewater can simultaneously realize effective removal of ammonia nitrogen and organic matters; the active oxides for removing ammonia nitrogen and organic matters are generated by the catalysis of the electrode plates, so that secondary pollution caused by an additional reagent is avoided, the ammonia nitrogen removal rate reaches over 99 percent, the COD removal rate reaches 55.1 percent, the effluent index concentration can meet the standard, and the removal effect is stable.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is a schematic view of the overall structure according to the embodiment of the present invention;
FIG. 2 is a schematic three-dimensional view of a reaction chamber according to an embodiment of the present invention;
FIG. 3 is a schematic top view of a reaction chamber according to an embodiment of the present invention;
fig. 4 is a three-dimensional schematic view of a diversion chamber according to an embodiment of the present invention;
fig. 5 is a schematic cross-sectional view of a baffle compartment according to an embodiment of the present invention;
fig. 6 is a schematic diagram of an electrode plate structure according to an embodiment of the present invention.
Description of reference numerals:
1. a reaction chamber; 11. an upper portion; 111. an overflow aperture; 112. a water inlet; 113. a first diversion port; 114. a water outlet; 12. a lower portion; 2. an electrode plate structure; 21. an electrode plate body; 22. an electrode connecting member; 3. a flow guide chamber; 31. a flow-guiding housing; 311. a liquid inlet; 312. a liquid outlet; 32. a diversion folded plate; 4. a direct current power supply.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "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 referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to 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 meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1 to 6, a test device for electrochemical deep removal of ammonia-containing organic wastewater comprises at least one reaction chamber 1, at least two electrode plate structures 2, a diversion chamber 3 and a direct current power supply 4, wherein the direct current power supply 4 is arranged on one side of the reaction chamber 1, an accommodating space for accommodating the electrode plate structures 2 is formed in the reaction chamber 1, the electrode plate structures 2 are electrically connected with the direct current power supply 4, and the diversion chamber 3 is installed on the other side of the reaction chamber 1. The direct current power supply 4 provides a driving force for the electrochemical oxidation reaction. An external direct current power supply 4 is utilized to realize chlorine evolution reaction of the anode by adding RuO2/Ti electrode plates in the box-type electrochemical reactor and controlling parameters such as current density, electrode plate spacing, hydraulic retention time and the like, thereby quickly and efficiently removing ammonia nitrogen in the wastewater.
The beneficial effects of the utility model are embodied in:
(1) The device can simultaneously realize effective removal of ammonia nitrogen and organic matters.
(2) The active oxides for removing ammonia nitrogen and organic matters are generated by the catalytic action of the electrode plates, so that secondary pollution caused by an additional reagent is avoided, the ammonia nitrogen removal rate reaches over 99 percent, the COD removal rate reaches 55.1 percent, the effluent index concentration can meet the A-type standard in the discharge standard of pollutants for municipal wastewater treatment plants in Tianjin, and the removal effect is stable.
The utility model relates to a preferred embodiment, 2, two are no less than to the quantity of reaction chamber 1 the symmetry of reaction chamber 1 sets up in guide plate 3 both sides, sets up to be the first reactor in the left reaction chamber 1 of guide plate 3, sets up to be the second reactor in the reaction chamber 1 on guide plate 3 right side. In practical use, the reaction chambers 1 are two in series and are provided with flow guide chambers 3, and sewage flows through the two reaction chambers 1 in a baffling mode.
The utility model relates to an in the preferred embodiment, reaction chamber 1 includes upper portion 11 and lower part 12, upper portion 11 with lower part 12 is the integrated into one piece structure, just upper portion 11 with the inside intercommunication of lower part 12, 11 inside tops in upper portion install two the electrode plate structure 2, overflow hole 111 has still been seted up to 11 inside tops in upper portion, water inlet 112 has been seted up to 11 one sides in upper portion of first reactor, a plurality of water conservancy diversion mouths 113 have been seted up to 11 opposite side tops in upper portion of first reactor, upper portion 11 is the cuboid structure, lower part 12 is the conical funnel structure. In practical use, the second diversion hole on one side of the second reactor close to the first reactor is arranged on the lower side, and the second diversion hole of the second reactor is also a water inlet of the second reactor, so that the purpose of setting is convenient for forming baffling in the diversion chamber 3. The conical funnel shaped lower part 12 is used for collecting sludge produced during the reaction.
In a preferred embodiment of the present invention, a water outlet 114 is disposed above one side of the upper portion 11 of the second reactor, the water outlet 114 is 20cm away from the top of the second reactor, and the water outlet 114 is located above the second reactor and is 20cm away from the top of the second reactor.
In a preferred embodiment of the present invention, the overflow hole 111 formed in the upper portion of the reaction chamber 1 is spaced from the top of the reaction chamber 1 by 10cm, and the overflow hole 111 can discharge excess water to the water inlet end.
In a preferred embodiment of the present invention, the water inlet 112 is located at the bottom of the first reactor, 25cm from the bottom of the first reactor.
The utility model relates to an in the preferred embodiment, the drain has been seted up to 12 bottoms in lower part, drain and outside blow-down pipe tube coupling, the waste water in the evacuation reactor when locating the blow-down pipe of 1 bottom of reaction chamber and being used for wasing the reactor.
The utility model relates to an in the preferred embodiment, electrode plate structure 2 includes electrode plate body 21 and electrode connecting piece 22, electrode plate body 21 is the RuO2 Ti electrode, electrode plate body 21 is located reaction chamber 1, electrode plate body 21 top is connected to electrode connecting piece 22, electrode plate body 21 still with DC power supply 4 passes through the connection of electric lines, electrode connecting piece 22 is the loop bar structure, electrode connecting piece 22 joint extremely in a plurality of holding tanks that reaction chamber 1 top was seted up. In practical use, a plurality of accommodating grooves can be formed above the reaction chamber 1, namely the upper part 11, and a worker can clamp the electrode connecting piece 22 in the corresponding accommodating groove according to practical conditions, so that the distance between the two electrode plate bodies 21 in one reaction chamber 1 can be adjusted. And the electrode connecting piece 22 is of a loop bar structure, so that the length of the electrode connecting piece 22 can be adjusted conveniently, and the electrode connecting piece is suitable for reaction chambers 1 with different sizes.
The utility model relates to an in the preferred embodiment, water conservancy diversion room 3 includes water conservancy diversion casing 31 and a plurality of water conservancy diversion folded plate 32, a plurality of water conservancy diversion folded plate 32 of water conservancy diversion casing 31 internally mounted, a plurality of inlets 311 have been seted up to water conservancy diversion casing 31 one side top, inlet 311 and a water conservancy diversion mouth 113 one-to-one, a plurality of liquid outlets 312 have been seted up to water conservancy diversion casing 31 opposite side bottom, liquid outlet 312 and No. two water conservancy diversion mouth one-to-ones. In practical use, the deflector flap 32 may be a flat plate flap or a corrugated plate.
The working principle of the test device for electrochemically and deeply removing ammonia-containing organic wastewater is as follows:
1. and (3) enabling the secondary biochemical effluent to enter a first reactor from a water inlet 112, wherein the first reactor is provided with a RuO2/Ti electrode (an electrode plate body 21) for performing chlorine evolution reaction, and generating active chlorine and other strong oxidizing substances to obtain primary treatment liquid.
2. The primary treatment liquid enters a second reactor through a flow guide chamber 3, the second reactor is provided with a RuO2/Ti electrode (an electrode plate body 21), and treated wastewater is obtained under the action of active chlorine generated by chlorine evolution reaction and strong oxidants generated by other reactions.
3. The secondary effluent enters the first reactor from the water inlet 112 in a continuous flow.
4. The concentration of ammonia nitrogen in the secondary effluent is 20-100 mg/L, and the concentration of soluble organic pollutants in the secondary effluent is 20-100 mg/L.
Example 1
Mainly comprises a water inlet 112 and a conical funnel which is used for collecting a small amount of sludge generated in the reaction process. The water inlet 1 is 102cm away from the bottom of the conical funnel. The electrode plate bodies 21 are suspended in the reaction chambers 2, two reaction chambers 2 are separated by the flow guide chamber 3, sewage enters the reaction chambers 2 through the water inlet 112, flows through the two reaction chambers 2 in a baffling manner under the action of the flow guide chamber 3 and the flow guide holes, and is finally discharged through the water outlet 114. The power supply 4 is connected with the electrode plate body 21 by wires and stainless steel clips.
The working principle of the device is further illustrated by the following examples.
Example 1
The working principle of the test device for electrochemically and deeply removing ammonia-containing organic wastewater comprises the following steps:
water for testing
The test water is taken from secondary effluent of a certain sewage plant in Tianjin City, the ammonia nitrogen concentration is 20-100 mg/L, the COD concentration is 20-100 mg/L, the pH of the wastewater is adjusted to 7-9, and the wastewater is alkalescent.
Operating parameters
By adopting a continuous flow water inlet and outlet mode, after the device finishes water inlet, the distance between the electrode plate bodies 21 is adjusted to be 2cm, the current density is 10mA/cm & lt 2 & gt, the hydraulic retention time is 2.75h, and the cathode and the anode are exchanged every 10min by utilizing a self-control device, so that the phenomena of electrode plate passivation and cathode scaling are relieved. The removal rate of the ammonia nitrogen in the effluent reaches more than 99 percent, the concentration of COD effluent is 26.5mg/L, the removal rate is 55.1 percent, the deep removal of the ammonia nitrogen and organic matters can be simultaneously realized, and the effluent quality meets the A-type standard in the discharge standard of pollutants for municipal wastewater treatment plants in Tianjin.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a test device of ammoniac organic waste water is got rid of to electrochemistry degree of depth which characterized in that: the device comprises at least one reaction chamber (1), at least two electrode plate structures (2), a flow guide chamber (3) and a direct-current power supply (4), wherein the direct-current power supply (4) is arranged on one side of the reaction chamber (1), a containing space for containing the electrode plate structures (2) is formed in the reaction chamber (1), the electrode plate structures (2) are electrically connected with the direct-current power supply (4), and the flow guide chamber (3) is installed on the other side of the reaction chamber (1).
2. The test device for electrochemical deep removal of ammonia-containing organic wastewater according to claim 1, wherein: the number of the reaction chambers (1) is not less than 2, two the reaction chambers (1) are symmetrically arranged on two sides of the guide plate, the reaction chamber (1) arranged on the left side of the guide plate is a first reactor, and the reaction chamber (1) arranged on the right side of the guide plate is a second reactor.
3. The test device for electrochemical deep removal of ammonia-containing organic wastewater according to claim 2, characterized in that: reaction chamber (1) includes upper portion (11) and lower part (12), upper portion (11) with lower part (12) are the integrated into one piece structure, just upper portion (11) with the inside intercommunication of lower part (12), two are installed to upper portion (11) inside top plate electrode structure (2), overflow hole (111) have still been seted up to upper portion (11) inside top, water inlet (112) have been seted up to upper portion (11) one side of first reactor, a plurality of water conservancy diversion mouth (113) have been seted up to upper portion (11) opposite side top of first reactor, upper portion (11) are the cuboid structure, lower part (12) are the toper funnel structure.
4. The test device for electrochemical deep removal of ammonia-containing organic wastewater according to claim 3, wherein: a water outlet (114) is formed in the upper portion of one side of the upper portion (11) of the second reactor, and the distance between the water outlet (114) and the top of the second reactor is 20cm.
5. The test device for electrochemical deep removal of ammonia-containing organic wastewater according to claim 3, wherein: the overflow hole (111) arranged at the upper part (11) of the reaction chamber (1) is 10cm away from the top of the reaction chamber (1).
6. The test device for electrochemical deep removal of ammonia-containing organic wastewater according to claim 3, wherein: the water inlet (112) is positioned at the bottom of the first reactor and is 25cm away from the bottom of the first reactor.
7. The test device for electrochemical deep removal of ammonia-containing organic wastewater according to claim 3, wherein: and an emptying hole is formed in the bottom of the lower part (12) and is connected with an external emptying pipe through a pipeline.
8. The test device for electrochemical deep removal of ammonia-containing organic wastewater according to claim 1, wherein: electrode plate structure (2) include electrode plate body (21) and electrode connecting piece (22), electrode plate body (21) are located reacting chamber (1), electrode plate body (21) top is connected to electrode connecting piece (22), electrode plate body (21) still with DC power supply (4) pass through the connection of electric lines, electrode connecting piece (22) are the loop bar structure, electrode connecting piece (22) joint extremely in a plurality of holding tanks that reacting chamber (1) top was seted up.
9. The test device for electrochemical deep removal of ammonia-containing organic wastewater according to claim 8, wherein: the electrode plate body (21) is a RuO2/Ti electrode.
10. The test device for electrochemical deep removal of ammonia-containing organic wastewater according to claim 3, wherein: flow guide chamber (3) are including water conservancy diversion casing (31) and a plurality of water conservancy diversion folded plate (32), a plurality of water conservancy diversion folded plate (32) of water conservancy diversion casing (31) internally mounted, a plurality of inlets (311) have been seted up to water conservancy diversion casing (31) one side top, inlet (311) and a water conservancy diversion mouth (113) one-to-one, a plurality of liquid outlets (312) have been seted up to water conservancy diversion casing (31) opposite side bottom, liquid outlet (312) and No. two water conservancy diversion mouth one-to-ones.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222238310.XU CN217921576U (en) | 2022-08-23 | 2022-08-23 | Test device for electrochemical deep removal of ammonia-containing organic wastewater |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222238310.XU CN217921576U (en) | 2022-08-23 | 2022-08-23 | Test device for electrochemical deep removal of ammonia-containing organic wastewater |
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| CN217921576U true CN217921576U (en) | 2022-11-29 |
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| CN202222238310.XU Active CN217921576U (en) | 2022-08-23 | 2022-08-23 | Test device for electrochemical deep removal of ammonia-containing organic wastewater |
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