CN210193477U - Integration hydrophobic membrane deamination nitrogen experimental apparatus - Google Patents
Integration hydrophobic membrane deamination nitrogen experimental apparatus Download PDFInfo
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- CN210193477U CN210193477U CN201920699143.4U CN201920699143U CN210193477U CN 210193477 U CN210193477 U CN 210193477U CN 201920699143 U CN201920699143 U CN 201920699143U CN 210193477 U CN210193477 U CN 210193477U
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- waste water
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- 239000012528 membrane Substances 0.000 title claims abstract description 90
- 230000002209 hydrophobic effect Effects 0.000 title claims abstract description 30
- 230000009615 deamination Effects 0.000 title claims abstract description 21
- 238000006481 deamination reaction Methods 0.000 title claims abstract description 21
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 20
- 229910052757 nitrogen Inorganic materials 0.000 title claims abstract description 10
- 230000010354 integration Effects 0.000 title claims abstract description 8
- 239000002351 wastewater Substances 0.000 claims abstract description 110
- 238000010521 absorption reaction Methods 0.000 claims abstract description 38
- 239000002253 acid Substances 0.000 claims description 86
- 239000007788 liquid Substances 0.000 claims description 63
- 239000000835 fiber Substances 0.000 claims description 34
- 238000010438 heat treatment Methods 0.000 claims description 14
- 239000003513 alkali Substances 0.000 claims description 11
- 239000000523 sample Substances 0.000 claims description 11
- 230000001105 regulatory effect Effects 0.000 claims description 9
- -1 polypropylene Polymers 0.000 claims description 7
- 239000004743 Polypropylene Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 2
- 239000011148 porous material Substances 0.000 claims description 2
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 abstract description 26
- 239000012530 fluid Substances 0.000 abstract description 14
- 230000008676 import Effects 0.000 abstract description 9
- 238000002474 experimental method Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 5
- 239000012510 hollow fiber Substances 0.000 abstract 1
- 238000012994 industrial processing Methods 0.000 abstract 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 11
- 230000000694 effects Effects 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 229910021529 ammonia Inorganic materials 0.000 description 5
- 238000004065 wastewater treatment Methods 0.000 description 5
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 238000012360 testing method Methods 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 239000004721 Polyphenylene oxide Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229920006380 polyphenylene oxide Polymers 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 150000001299 aldehydes Chemical class 0.000 description 1
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 1
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 1
- 235000011130 ammonium sulphate Nutrition 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 238000012851 eutrophication Methods 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
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- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model provides an integration hydrophobic membrane deamination nitrogen experimental apparatus, including sour absorption fluid reservoir, membrane module, waste water tank, the membrane module includes the shell, be equipped with a plurality of hollow fiber membrane silks that have the hydrophobicity in the shell, the bottom of shell is equipped with the waste water import, and the top is equipped with the waste water export, and the lower part lateral wall is equipped with the acidizing fluid import, and the upper portion lateral wall is equipped with the acidizing fluid export, the waste water tank is linked together through pipeline and waste water import, the waste water export is linked together through pipeline and waste water tank, sour absorption fluid reservoir is linked together through pipeline and acidizing fluid import, the acidizing fluid export is linked together through pipeline and sour. The utility model discloses a multiple cycle can handle ammonia nitrogen waste water effectively, and is small, is fit for the laboratory operation, and experiment process also makes things convenient for the adjustment, can provide the support of the technical parameter of preparation for large-scale ammonia nitrogen waste water's industrial processing.
Description
Technical Field
The utility model belongs to the technical field of the deamination nitrogen, especially, relate to an integration hydrophobic membrane deamination nitrogen experimental apparatus.
Background
The ammonia nitrogen wastewater mainly comes from chemical fertilizers, coking, petrifaction, pharmacy, foods, refuse landfills and the like, and a large amount of ammonia nitrogen wastewater is discharged into a water body, so that the eutrophication of the water body is caused, the black and odorous water body is caused, the difficulty and the cost of water supply treatment are increased, and even toxic action is generated on crowds and organisms.
The ammonia nitrogen wastewater belongs to wastewater difficult to treat all the time, when the ammonia nitrogen wastewater is treated by adopting the traditional methods of blowing, dragging, steam stripping and the like, the content of ammonia nitrogen can only be reduced to 70-80mg/L at the lowest, and the ammonia nitrogen wastewater can not meet the discharge standard of the ammonia nitrogen wastewater far away, and the ammonia nitrogen wastewater treatment device used in the industry at present has large volume and can not carry out small experiments, so that the experimental parameters and the technical process can not be rapidly determined.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing an integration hydrophobic membrane deamination nitrogen experimental apparatus to it is relatively poor to solve current device and handle ammonia nitrogen waste water effect, and bulky, can not carry out the problem of miniature experiment.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
the utility model provides an integration hydrophobic membrane deamination nitrogen experimental apparatus, includes acid absorption fluid reservoir, membrane module, waste water tank, the membrane module includes the shell, be equipped with a plurality of fibrous membrane silks that have the hydrophobicity in the shell, the fibrous membrane silk is both ends open-ended cavity form, the bottom of shell is equipped with the waste water import, and the top is equipped with the waste water export, and the lower part lateral wall is equipped with the acidizing fluid import, and the upper portion lateral wall is equipped with the acidizing fluid export, the one end of fibrous membrane silk is passed through the encapsulating and is packaged on the shell inner wall between waste water export and acidizing fluid export, and the other end is packaged on the shell inner wall between waste water import and acidizing fluid import through the encapsulating, between waste water tank and the waste water tank, between acid absorption fluid reservoir and the acidizing fluid import, all.
Further, a first discharge valve, a first emptying valve, an alkali circulating pump and a wastewater inlet valve are sequentially connected in series on the pipeline for communicating the wastewater tank and the wastewater inlet along the liquid flowing direction, a second discharge valve, a second emptying valve, an acid circulating pump and an acid inlet valve are sequentially connected in series on the pipeline for communicating the acid absorption liquid tank and the acid liquid inlet along the liquid flowing direction, a membrane outlet pressure gauge, a wastewater flow meter and a wastewater flow regulating valve are sequentially connected in series on the pipeline for communicating the wastewater outlet and the wastewater tank along the liquid flowing direction, and a shell outlet pressure gauge, an acid liquid flow meter and an acid liquid flow regulating valve are sequentially connected in series on the pipeline for communicating the acid liquid outlet and the acid absorption liquid tank along the liquid flowing direction.
Further, a pH probe for measuring pH is mounted on each of the wastewater tank and the acid absorption liquid tank.
Further, the length of the fiber membrane yarn is 400-500 mm, the total external surface area of the fiber membrane yarn 22 is 15-30 square meters, the wall thickness is 55-60 micrometers, the fiber membrane yarn is provided with membrane holes penetrating through the internal and external surfaces of the fiber membrane yarn, the aperture of the membrane holes is 0.1-0.2 micrometers, and the porosity of the fiber membrane yarn is 55-65%.
Furthermore, the fiber membrane yarn is made of a polypropylene hydrophobic membrane or a polytetrafluoroethylene hydrophobic membrane.
Furthermore, an alkali adding port is formed in the top of the waste water tank, an acid adding port is formed in the top of the acid absorption liquid tank, and discharge ports are formed in the lower portions of the waste water tank and the acid absorption liquid tank.
Further, an even distributor is arranged on the outer side of the acid liquor inlet, the even distributor comprises a cylinder with two open ends, the axis of the cylinder is perpendicular to the axis of the membrane module, and a plurality of liquid passing holes are uniformly formed in the cylinder.
Further, the housing is cylindrical.
Further, the bottom of waste water jar is equipped with heating device, heating device includes the electrical heating stick, the electrical heating stick passes through the wire and is connected with the power, install temperature probe on the waste water jar.
Furthermore, the volume of the waste water tank is 15-25L, and the volume of the acid absorption liquid tank is 15-25L.
Compared with the prior art, integration hydrophobic membrane deammoniation nitrogen experimental apparatus have following advantage:
(1) the utility model can effectively treat ammonia nitrogen wastewater through multiple cycles, has small volume, is suitable for laboratory operation, convenient movement, strong flexibility and convenient adjustment of experimental process, and can provide support for technical parameters for large-scale industrial treatment of ammonia nitrogen wastewater;
(2) the utility model is provided with the uniform distributor outside the acid liquor inlet, thereby avoiding dead angles caused by the flow of the acid absorption liquid and improving the wastewater treatment effect;
(3) the utility model discloses the bottom of waste water jar is equipped with heating device, has solved when winter weather is cold, and the temperature of ammonia nitrogen waste water is lower, is unfavorable for generating the ammonia, causes the not good problem of waste water treatment effect.
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 flow chart of an integrated hydrophobic membrane deamination and denitrification experimental apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a membrane module of an integrated hydrophobic membrane deamination and denitrification experimental apparatus according to an embodiment of the present invention;
fig. 3 is a schematic diagram of an equilizer of the integrated hydrophobic membrane deamination and nitrogen experiment device according to the embodiment of the present invention.
Description of reference numerals:
1. an acid absorption liquid tank; 11. a second discharge valve; 12. a second vent valve; 13. an acid circulation pump; 14. An acid inlet valve; 15. a shell outlet pressure gauge; 16. an acid flow meter; 17. an acid liquor flow regulating valve; 18. a pH probe; 2. a membrane module; 21. a housing; 22. fiber membrane filaments; 23. a wastewater inlet; 24. a waste water outlet; 25. an acid liquor inlet; 26. an acid liquor outlet; 27. a uniform distributor; 271. a cylinder; 272. a liquid passing hole; 3. a waste water tank; 31. a first discharge valve; 32. a first vent valve; 33. an alkali circulation pump; 34. a waste water inlet valve; 35. a film outlet pressure gauge; 36. a wastewater flowmeter; 37. a waste water flow regulating valve; 38. a temperature probe.
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", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and 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 therefore, should not 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.
An integrated hydrophobic membrane deamination and denitrification experimental device is shown in figures 1-3 and comprises an acid absorption liquid tank 1, a membrane component and a wastewater tank 3. Dilute sulfuric acid is contained in the acid absorption liquid tank 1, ammonia nitrogen wastewater is contained in the wastewater tank 3, and since the dilute sulfuric acid is strong acid and the ammonia nitrogen wastewater needs to be adjusted to be strong alkali before feeding, protective gloves and other protective tools need to be worn during use and feeding so as to avoid injury.
The membrane module comprises a cylindrical shell 21, wherein a plurality of hydrophobic fiber membrane filaments 22 are arranged in the shell 21, and the fiber membrane filaments 22 are hollow with openings at two ends. The bottom of the shell 21 is provided with a waste water inlet 23, the top is provided with a waste water outlet 24, the side wall of the lower part is provided with an acid liquor inlet 25, and the side wall of the upper part is provided with an acid liquor outlet 26. The ammonia nitrogen wastewater cannot contain components such as alcohol, aldehyde, ketone, ether, surfactant and the like, and the new ammonia nitrogen wastewater needs to be consulted by manufacturers before experiments or the surface tension is not lower than 65mg/L, so that the hydrophobic fiber membrane filaments 22 are prevented from being denatured and damaged.
The two ends of the fiber membrane yarn 22 are respectively connected with the shell 21 between the waste water outlet 24 and the acid liquor outlet 26 and between the waste water inlet 23 and the acid liquor inlet 25 in a sealing way through glue filling, the waste water tank 3 is communicated with the waste water inlet 23 through a pipeline, the waste water outlet 24 is communicated with the waste water tank 3 through a pipeline, the acid absorption liquid tank 1 is communicated with the acid liquor inlet 25 through a pipeline, and the acid liquor outlet 26 is communicated with the acid absorption liquid tank 1 through a pipeline.
A first discharge valve 31, a first vent valve 32, an alkali circulating pump 33 and a wastewater inlet valve 34 are sequentially connected in series on a pipeline which communicates the wastewater tank 3 and the wastewater inlet 23 along the liquid flowing direction, a second discharge valve 11, a second vent valve 12, an acid circulating pump 13 and an acid inlet valve 14 are sequentially connected in series on a pipeline which communicates the acid absorption liquid tank 1 and the acid liquid inlet 25 along the liquid flowing direction, a membrane outlet pressure gauge 35, a wastewater flow meter 36 and a wastewater flow regulating valve 37 are sequentially connected in series on a pipeline which communicates the wastewater outlet 24 and the wastewater tank 3 along the liquid flowing direction, and a shell outlet pressure gauge 15, an acid liquid flow meter 16 and an acid liquid flow regulating valve 17 are sequentially connected in series on a pipeline which communicates the acid liquid outlet 26 and the acid absorption liquid tank 1 along the liquid flowing direction. When the device is not in use, all valves need to be closed.
The wastewater tank 3 and the acid absorption liquid tank 1 are both provided with pH probes 18 for measuring pH, the pH probes 18 adopt SP1001 type industrial pH value sensor, the measurement unit is 0-14.00, the material is PPO (polyphenylene oxide), and the drift degree is less than or equal to 0.03pH/24 hours. The pH probe 18 monitors the pH value of the liquid in the wastewater tank 3 and the acid absorption liquid tank 1 at any time, and provides reference for operators.
The fiber membrane filaments 22 are made of polypropylene hydrophobic membranes or polytetrafluoroethylene hydrophobic membranes, the length of the fiber membrane filaments 22 is 400-500 mm, the total external surface area of the fiber membrane filaments 22 is 15-30 square meters, the wall thickness of the fiber membrane filaments 22 is 55-60 micrometers, the fiber membrane filaments 22 are provided with membrane holes penetrating through the internal and external surfaces of the fiber membrane filaments 22, the aperture of the membrane holes is 0.1-0.2 micrometer, the porosity of the fiber membrane filaments 22 is 55-65%, and the number of the fiber membrane filaments 22 is preferably 2000. The wall thickness of the fiber membrane filaments 22 ensures strength, preventing breakage or damage of the fiber membrane filaments 22.
The top of the waste water tank 3 is provided with an alkali adding port, the top of the acid absorption liquid tank 1 is provided with an acid adding port, and the lower parts of the waste water tank 3 and the acid absorption liquid tank 1 are provided with discharge ports. When ammonia nitrogen waste water concentration is higher, along with the circulation goes on, the solution concentration in the acid absorption fluid reservoir 1 also can be along with rising, when reaching certain concentration, need mend acid or change when the deamination effect is not good, need release solution carefully and put safe appointed place during the change, prevent to take place the accident.
In order to avoid dead angle of acid absorption liquid flowing and improve wastewater treatment effect, an even distributor 27 is arranged outside the acid liquid inlet 25, the even distributor 27 comprises a cylinder 271 with two open ends, the axis of the cylinder 271 is perpendicular to the axis of the membrane module, and a plurality of liquid passing holes 272 are uniformly formed in the cylinder 271.
When the weather is cold in winter, the temperature of ammonia nitrogen waste water is lower, is unfavorable for producing the ammonia, causes the waste water treatment effect not good. For solving the above-mentioned problem, the bottom of waste water jar 3 is equipped with heating device, heating device includes the electrical heating stick, the through-hole has been seted up to the bottom of waste water jar 3, has the internal thread in the through-hole, the tip threaded connection of electrical heating stick in the through-hole, the electrical heating stick passes through the wire and is connected with the power, in addition, for the temperature of the interior waste water of real time monitoring waste water jar 3, install temperature probe 38 on the waste water jar 3. The temperature probe 38 employs an HB 7000 type smart regulator. In addition, the temperature in the wastewater tank 3 can be automatically regulated, the regulation mode is intelligent PID regulation, the manual control function is realized, and the regulation range is 0-50 ℃.
The volume of the waste water tank 3 is 15-25L, the volume of the acid absorption liquid tank 1 is 15-25L, the volume is small, the acid absorption liquid tank is suitable for laboratory operation, convenient to move and strong in flexibility, technical parameters of the process can be rapidly determined, ammonia nitrogen waste water is treated, and powerful technical parameter support is provided for large-scale industrial treatment.
The device needs grounding treatment during installation, and during experiments, the temperature is generally preferably 20-35 ℃. The SS of the inlet water is recommended to be less than 20mg/L, and the liquid in the device needs to be emptied after the experiment is completed.
The utility model discloses a working process does:
before the test is started, the pH value of the acid liquor is required to be adjusted to 1-2, the pH value of the ammonia nitrogen wastewater is adjusted to be not less than 9.4, preferably about 10.5-11, and alkali is required to be supplemented after the pH value is reduced. During test operation, the wastewater inlet valve 34 and the acid inlet valve 14 are opened manually, the first discharge valve 31 and the second discharge valve 11 are opened fully, the alkali circulating pump 33 and the acid circulating pump 13 are started, the opening degrees of the wastewater inlet valve and the acid inlet valve 14 are adjusted according to the membrane outlet pressure gauge 35 and the shell outlet pressure gauge 15, the pressure of the membrane outlet pressure gauge 35 is controlled not to be greater than 0.1Mpa, and the flow meter does not exceed the measuring range.
Ammonia nitrogen wastewater is introduced into the inner side of the fiber membrane yarns 22, acid absorption liquid is introduced into the outer side of the fiber membrane yarns 22, ammonia ions in the ammonia nitrogen wastewater become ammonia molecules (NH3) under alkaline conditions, and the ammonia molecules and the acid absorption liquid are combined through membrane pores, so that the effect of reducing ammonia nitrogen in the ammonia nitrogen wastewater is achieved. The produced water enters a waste water tank 3 for circulation, and the ammonium sulfate solution enters an acid absorption liquid tank 1 for circulation. After the test is completed, the alkali circulation pump 33 and the acid circulation pump 13 are turned off.
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 an integration hydrophobic membrane deaminization nitrogen experimental apparatus which characterized in that: comprises an acid absorption liquid tank (1), a membrane component (2) and a waste water tank (3);
the membrane component (2) comprises an outer shell (21), a plurality of hydrophobic fiber membrane wires (22) are arranged in the outer shell (21), the fiber membrane wires (22) are hollow, two ends of each fiber membrane wire are open, a wastewater inlet (23) is formed in the bottom of the outer shell (21), a wastewater outlet (24) is formed in the top of the outer shell, an acid liquor inlet (25) is formed in the side wall of the lower portion of the outer shell, an acid liquor outlet (26) is formed in the side wall of the upper portion of the outer shell, one end of each fiber membrane wire (22) is packaged on the inner wall of the outer shell (21) between the wastewater outlet (24) and the acid liquor outlet (26) through glue pouring, and the other end of each fiber membrane wire is packaged on the;
the device is characterized in that the space between the waste water tank (3) and the waste water inlet (23), the space between the waste water outlet (24) and the waste water tank (3), the space between the acid absorption liquid tank (1) and the acid liquid inlet (25), and the space between the acid liquid outlet (26) and the acid absorption liquid tank (1) are communicated through pipelines.
2. The integrated hydrophobic membrane deamination and denitrification experimental device of claim 1, wherein: a first discharge valve (31), a first vent valve (32), an alkali circulating pump (33) and a wastewater inlet valve (34) are sequentially connected in series on a pipeline which is communicated with the wastewater tank (3) and the wastewater inlet (23) along the liquid flowing direction, and a second discharge valve (11), a second vent valve (12), an acid circulating pump (13) and an acid inlet valve (14) are sequentially connected in series on a pipeline which is communicated with the acid absorption liquid tank (1) and the acid liquid inlet (25) along the liquid flowing direction;
the pipeline for communicating the wastewater outlet (24) and the wastewater tank (3) is sequentially connected with a membrane outlet pressure gauge (35), a wastewater flow meter (36) and a wastewater flow regulating valve (37) in series along the liquid flowing direction, and the pipeline for communicating the acid liquor outlet (26) and the acid absorption liquid tank (1) is sequentially connected with a shell outlet pressure gauge (15), an acid liquor flow meter (16) and an acid liquor flow regulating valve (17) in series along the liquid flowing direction.
3. The integrated hydrophobic membrane deamination and denitrification experimental device as claimed in claim 1 or 2, wherein: and pH probes (18) for measuring pH are respectively arranged on the waste water tank (3) and the acid absorption liquid tank (1).
4. The integrated hydrophobic membrane deamination and denitrification experimental device as claimed in claim 1 or 2, wherein: the length of the fiber membrane yarn (22) is 400-500 mm, the total external surface area of the fiber membrane yarn (22) is 15-30 square meters, the wall thickness is 55-60 micrometers, the fiber membrane yarn (22) is provided with membrane holes penetrating through the internal and external surfaces of the fiber membrane yarn (22), the pore diameter of the membrane holes is 0.1-0.2 micrometers, and the porosity of the fiber membrane yarn (22) is 55-65%.
5. The integrated hydrophobic membrane deamination and denitrification experimental device as claimed in claim 1 or 2, wherein: the fiber membrane filaments (22) are made of polypropylene hydrophobic membranes or polytetrafluoroethylene hydrophobic membranes.
6. The integrated hydrophobic membrane deamination and denitrification experimental device as claimed in claim 1 or 2, wherein: the top of the waste water tank (3) is provided with an alkali adding port, the top of the acid absorption liquid tank (1) is provided with an acid adding port, and the lower parts of the waste water tank (3) and the acid absorption liquid tank (1) are provided with discharge ports.
7. The integrated hydrophobic membrane deamination and denitrification experimental device as claimed in claim 1 or 2, wherein: the acid liquor distributor is characterized in that an even distributor (27) is arranged on the outer side of the acid liquor inlet (25), the even distributor (27) comprises a cylinder (271) with two open ends, the axis of the cylinder (271) is perpendicular to the axis of the membrane module (2), and a plurality of liquid passing holes (272) are uniformly formed in the cylinder (271).
8. The integrated hydrophobic membrane deamination and denitrification experimental device as claimed in claim 1 or 2, wherein: the housing (21) is cylindrical.
9. The integrated hydrophobic membrane deamination and denitrification experimental device as claimed in claim 1 or 2, wherein: the bottom of waste water jar (3) is equipped with heating device, heating device includes the electrical heating stick, the electrical heating stick passes through the wire and is connected with the power, install temperature probe (38) on waste water jar (3).
10. The integrated hydrophobic membrane deamination and denitrification experimental device as claimed in claim 1 or 2, wherein: the volume of the waste water tank (3) is 15-25L, and the volume of the acid absorption liquid tank (1) is 15-25L.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920699143.4U CN210193477U (en) | 2019-05-16 | 2019-05-16 | Integration hydrophobic membrane deamination nitrogen experimental apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920699143.4U CN210193477U (en) | 2019-05-16 | 2019-05-16 | Integration hydrophobic membrane deamination nitrogen experimental apparatus |
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| CN210193477U true CN210193477U (en) | 2020-03-27 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111892147A (en) * | 2020-08-25 | 2020-11-06 | 自然资源部天津海水淡化与综合利用研究所 | High ammonia-nitrogen wastewater system is handled to membrane contactor with resource recovery function |
| CN114835310A (en) * | 2022-04-20 | 2022-08-02 | 华中师范大学 | Electrochemical-ammonia nitrogen recovery combined system for efficiently treating industrial nitrogen-containing wastewater and application thereof |
-
2019
- 2019-05-16 CN CN201920699143.4U patent/CN210193477U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111892147A (en) * | 2020-08-25 | 2020-11-06 | 自然资源部天津海水淡化与综合利用研究所 | High ammonia-nitrogen wastewater system is handled to membrane contactor with resource recovery function |
| CN111892147B (en) * | 2020-08-25 | 2022-05-10 | 自然资源部天津海水淡化与综合利用研究所 | High ammonia-nitrogen wastewater system is handled to membrane contactor with resource recovery function |
| CN114835310A (en) * | 2022-04-20 | 2022-08-02 | 华中师范大学 | Electrochemical-ammonia nitrogen recovery combined system for efficiently treating industrial nitrogen-containing wastewater and application thereof |
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