CN210544314U - Spraying evaporator - Google Patents
Spraying evaporator Download PDFInfo
- Publication number
- CN210544314U CN210544314U CN201920881995.5U CN201920881995U CN210544314U CN 210544314 U CN210544314 U CN 210544314U CN 201920881995 U CN201920881995 U CN 201920881995U CN 210544314 U CN210544314 U CN 210544314U
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- Prior art keywords
- tower body
- pipe
- spray
- gas
- shower head
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- 238000005507 spraying Methods 0.000 title abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 238000005273 aeration Methods 0.000 claims abstract description 7
- 239000007921 spray Substances 0.000 claims description 22
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 16
- 239000000523 sample Substances 0.000 claims description 10
- 239000011229 interlayer Substances 0.000 claims description 3
- 239000002351 wastewater Substances 0.000 abstract description 26
- 239000002912 waste gas Substances 0.000 abstract description 25
- 229910052720 vanadium Inorganic materials 0.000 abstract description 21
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium(0) Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 abstract description 21
- 239000007789 gas Substances 0.000 abstract description 18
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 125000004122 cyclic group Chemical group 0.000 abstract description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 7
- 239000010410 layer Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 4
- 230000002349 favourable Effects 0.000 description 4
- 239000003546 flue gas Substances 0.000 description 4
- 238000001556 precipitation Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 239000002253 acid Substances 0.000 description 3
- 238000001354 calcination Methods 0.000 description 3
- 238000002425 crystallisation Methods 0.000 description 3
- 230000005712 crystallization Effects 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 159000000000 sodium salts Chemical class 0.000 description 3
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 2
- BFNBIHQBYMNNAN-UHFFFAOYSA-N Ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 2
- 241000893018 Armeria Species 0.000 description 2
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitrogen oxide Substances O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 2
- 231100000614 Poison Toxicity 0.000 description 2
- 235000019270 ammonium chloride Nutrition 0.000 description 2
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 2
- 235000011130 ammonium sulphate Nutrition 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 238000002386 leaching Methods 0.000 description 2
- QDHHCQZDFGDHMP-UHFFFAOYSA-N monochloramine Chemical compound ClN QDHHCQZDFGDHMP-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 229940088594 Vitamin Drugs 0.000 description 1
- 238000005276 aerator Methods 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- UNTBPXHCXVWYOI-UHFFFAOYSA-O azanium;oxido(dioxo)vanadium Chemical compound [NH4+].[O-][V](=O)=O UNTBPXHCXVWYOI-UHFFFAOYSA-O 0.000 description 1
- 238000000498 ball milling Methods 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 238000009388 chemical precipitation Methods 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 229910052570 clay Inorganic materials 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 235000014666 liquid concentrate Nutrition 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229910052813 nitrogen oxide Inorganic materials 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 230000002588 toxic Effects 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- 229910001456 vanadium ion Inorganic materials 0.000 description 1
- 235000013343 vitamin Nutrition 0.000 description 1
- 239000011782 vitamin Substances 0.000 description 1
- 150000003722 vitamin derivatives Chemical class 0.000 description 1
- 229930003231 vitamins Natural products 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
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Abstract
The patent of the utility model relates to a vanadium ore waste water exhaust-gas treatment technical field discloses a spraying evaporator. The tower comprises a tower body with a vertical structure, wherein an air inlet pipe is arranged on the side wall of the tower body, an air outlet pipe is arranged at the top of the tower body, a discharge pipe is arranged at the bottom of the tower body, and a valve is arranged on the discharge pipe; the tower body is inside from the top down and is equipped with gas collecting channel, one-level shower head subassembly, second grade shower head subassembly and aeration pipe in proper order, gas collecting channel and outlet duct intercommunication, and gas collecting channel and outlet duct are and take interbedded hollow structure, one-level shower head subassembly evenly set up at gas collecting channel lower part edge, second grade shower head subassembly pass through the pipeline and be connected with the outside acid-proof pump that sets up, the intermediate layer of outlet duct on seted up the water inlet, the water inlet is connected with the spraying pump through inlet channel. The utility model discloses simple structure, low cost, easily operation, safe high efficiency, green have effectively handled waste gas and waste water in the vanadium ore production process to its cyclic utilization has been realized.
Description
Technical Field
The patent of the utility model relates to a vanadium ore waste water exhaust-gas treatment technical field, especially a spraying evaporator.
Background
Vanadium is an important strategic resource, is called metal vitamin and has a plurality of excellent physical properties and chemical properties. China is a large vanadium resource country, wherein stone coal and clay vanadium ore account for about 87 percent of the total vanadium content in China. At present, the vanadium ore roasting-dilute acid leaching method is mainly adopted in extracting vanadium in China, and the process flow is approximately as follows: vanadium ore → crushing → sieving → drying → ball milling → mixing of ingredients → pre-compression molding → ball making → baking → crushing → leaching → filtration → ion exchange → vanadium precipitation → washing → filtration → calcination tabletting → product. Although the method has the advantages of mature process, simple technology and less cost investment, and is widely favored by vanadium manufacturers, a large amount of high-temperature flue gas (ammonia gas and nitrogen oxides) is generated in the roasting or calcining tabletting process, ammonium sulfate (or ammonium chloride) is required to be added in the vanadium precipitation stage to precipitate and filter metavanadate radicals to obtain ammonium metavanadate filtrate, a large amount of waste water containing high-concentration sodium salt, ammonia, nitrogen and heavy metal ions is generated, and if the flue gas and the waste water are not treated in time, the environment is seriously polluted, and the resource waste is also caused. In the existing treatment methods, most of high-temperature flue gas is directly discharged into the atmosphere from a chimney after being subjected to simple dust removal, and high-salt harmful wastewater is usually treated by adopting a physical adsorption or chemical precipitation method, so that the process flow is complicated, the cost is high, more subsequent treatment is performed, and secondary pollution is easily caused. However, along with the continuous and sharp increase of the demand of vanadium and its alloys, the nation is concerned about the problems of energy saving, environmental protection and emission reduction, and how to treat the waste gas and waste water generated in the vanadium ore production process quickly and efficiently becomes the focus of the research of the technicians in this field.
SUMMERY OF THE UTILITY MODEL
To the problem among the prior art, the utility model aims at providing a simple structure, low cost, easily operation, safe high efficiency, green's processing carry the spray evaporator of waste gas and the waste water of vanadium in-process production.
In order to achieve the above purpose, the technical scheme of the utility model is that:
the utility model provides a spraying evaporator, includes vertical structure's tower body, the tower body lateral wall is equipped with the intake pipe, and the top is equipped with the outlet duct, and the bottom is equipped with the discharging pipe, and inside from the top down of tower body is equipped with gas collecting channel, one-level shower head subassembly, second grade shower head subassembly and aeration pipe in proper order, gas collecting channel and outlet duct intercommunication, and gas collecting channel and outlet duct are and take interbedded hollow structure, the one-level shower head subassembly evenly set up at gas collecting channel lower part edge, second grade shower head subassembly pass through the pipeline and be connected with the outside acid-proof pump that sets up, the intermediate layer of outlet duct on seted up the water inlet, the water inlet.
Specifically, the tower body bottom be the cone structure, the cone lower extreme evenly is provided with the support column.
Specifically, the air inlet pipe is connected with a high-temperature centrifugal fan, and the discharge pipe is provided with a valve.
Specifically, the aeration pipes are multiple and are uniformly distributed along the radial direction of the tower body.
Specifically, the primary showerhead assembly and the secondary showerhead assembly include one or more showerheads.
Specifically, the tower body is further provided with an overflow port, and the overflow port is connected with a water inlet pipe through a circulating water pipe and a circulating pump.
Specifically, still be equipped with the PLC controller on the tower body and go deep into the inside ammonia concentration test probe of tower body, the PLC controller and ammonia concentration test probe and acid-proof pump electric connection.
Compared with the prior art, the utility model has the advantages of:
1. the utility model discloses simple structure, low cost, easily operation, safety high efficiency, green utilize the calcination or calcine the heavy vanadium waste water of high temperature exhaust-gas treatment that the film-making produced in the vanadium ore production process, not only reached waste heat utilization, reduced the energy loss, reduced moreover in waste gas and the waste water poisonous and harmful substance to the pollution of environment, the waste water solution that the simultaneous processing obtained through the crystallization concentration product can also be used for cyclic utilization, more greatly reduced manufacturing cost.
2. The utility model discloses be equipped with the outlet duct and the gas collecting channel that have cavity intermediate layer and communicate each other, and connect the inlet channel on the gas collecting channel intermediate layer, gas collecting channel lower part edge evenly sets up one-level shower head subassembly, the design makes spray waste water top-down and high temperature waste gas contact like this, the contact is more abundant, waste water receives waste gas preheating in the outlet duct in the intermediate layer when getting into the tower body simultaneously, not only be favorable to accelerating the reaction rate of waste gas and waste water, the treatment effeciency is greatly improved, and the temperature in the gas outlet duct waste gas has further been reduced, make the subsequent processing of tower waste gas simpler.
3. The utility model discloses be equipped with the overflow mouth on the tower body, the overflow mouth passes through circulating pipe and circulating pump and advances water piping connection, be favorable to carrying out further circulation treatment to waste water, thereby toxic harmful substance content in the further reduction waste water, and the ammonia concentration test probe that sets up on the tower body is the content that can mainly have the toxic gas ammonia in the real-time supervision tower, then feed back the PLC controller with the result, so that the control acid-proof pump adjusts the transport of acidizing fluid and the volume that sprays, under the prerequisite of guaranteeing the exhaust-gas treatment effect, manufacturing cost has been practiced thrift.
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, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1, a spraying evaporator, it includes tower body 1 of vertical structure, tower body 1 lateral wall is equipped with intake pipe 2, and the top is equipped with outlet duct 3, and the bottom is equipped with discharging pipe 4, and tower body 1 is inside from the top down to be equipped with gas collecting channel 5, one-level shower head subassembly 6, second grade shower head subassembly 7 and aeration pipe 8 in proper order, gas collecting channel 5 and outlet duct 3 intercommunication, and gas collecting channel 5 and outlet duct 3 are the hollow structure who takes intermediate layer 9, one-level shower head subassembly 6 evenly set up at gas collecting channel 5 lower part edge, second grade shower head subassembly 7 be connected with the acid-resistant pump 10 of outside setting through the pipeline, intermediate layer 9 of outlet duct 3 on seted up water inlet 11, water inlet 11 is connected with spraying pump 13 through inlet tube 12.
Specifically, the bottom of the tower body 1 is of a cone structure, and support columns 14 are uniformly arranged at the lower end of the cone.
Specifically, the air inlet pipe 2 is connected with a high-temperature centrifugal fan 15, the high-temperature centrifugal fan 15 is used for introducing high-temperature waste gas in the vanadium ore production process into the evaporator, and the discharge pipe 4 is provided with a valve 16.
Specifically, aeration pipe 8 be many to along 1 radial direction evenly distributed of tower body, the design makes high temperature waste gas distribute more evenly fast in tower body 1 like this, has increased the area of contact of waste gas with waste water, more is favorable to accelerating treatment effeciency.
Specifically, the primary showerhead assembly 6 and the secondary showerhead assembly 7 include one or more showerheads 17. One-level shower head subassembly 6 and inlet tube 12 intercommunication, waste water is sprayed in the inlet tube 12 inflow tower of inhaling by spraying pump 13, and waste water receives 3 waste gas residual heat's preheating in the outlet duct in the intermediate layer 9 of outlet duct 3 and gas collecting cover 5, and the design has not only further reduced the exhanst gas outlet temperature like this, more does benefit to the quick reaction of waste gas and waste water in the tower moreover.
Specifically, tower body 1 on still be equipped with overflow mouth 18, overflow mouth 18 pass through circulating pipe 19 and circulating pump 20 and be connected with inlet tube 12, the design makes the waste water that sprays after the high temperature flue gas primary treatment can enter into tower body 1 by circulating pump 20 and carry out the secondary cycle and handle like this, is favorable to further reducing the content of the poisonous and harmful substance in the waste water.
Specifically, still be equipped with PLC controller 21 on the tower body 1 and go deep into the ammonia concentration test probe 22 of tower body 1 inside, PLC controller 21 and ammonia concentration test probe 22 and acid-proof pump 10 electric connection, the content of ammonia in ammonia concentration test probe 22 can the real-time detection tower feeds back to PLC controller 21, PLC controller 21 controls the spray volume of acidizing fluid through adjusting acid-proof pump 10, has both practiced thrift manufacturing cost, has reduced wasting of resources and environmental pollution, and is more energy-concerving and environment-protective.
The utility model discloses a concrete working process as follows:
waste gas is sucked into an air inlet pipe 2 through a high-temperature centrifugal fan 15 and uniformly diffused into an evaporator tower body 1 through an aerator pipe 8, vanadium precipitation waste water is pumped into an evaporator through a spray pump 13 and a water inlet pipe 12, the waste gas is preheated in an air outlet pipe 3 and an interlayer 9 of an air collecting cover 5 by the waste gas discharged from the tower, the preheated waste gas is sprayed through a primary spray head assembly 6, and the main components in the waste gas are dust and NH3、SO2、NOXThe main components in the vanadium precipitation waste water are sodium salt, ammonium sulfate (or ammonium chloride) and micro vanadium ions, the waste water is contacted with high-temperature waste gas in the tower 1, dust is precipitated, and the waste gas containsHarmful component and waste water composition take place the reaction, waste gas has heated the waste liquid simultaneously again, the waste liquid evaporation degree has been increased, can take away a large amount of vapor when a large amount of waste gas washes out liquid, the waste liquid concentrates the crystallization salification gradually, the crystallization salt is discharged through discharging pipe 4, through washing, filtration, centrifugation, the separation makes solid sodium salt, return to production cycle and use, and waste gas after the reaction meets with ammonia concentration test probe 22 and second grade shower head subassembly 7 at the in-process that rises, second grade shower head subassembly 7 has acid-proof pump 10 through the pipe connection, acid-proof pump 10 one end is connected with the acid tank, the content of principal ingredients ammonia in the waste gas in the ammonia concentration test probe 22 real-time supervision tower body 1, then feed back the result to PLC controller 21, PLC controller 21 control acid-proof pump 10 adjusts the transport and the volume of spraying of acidizing fluid, reach and carry out.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. A spray evaporator, characterized by: comprises a tower body (1) with a vertical structure, wherein the side wall of the tower body (1) is provided with an air inlet pipe (2), the top part is provided with an air outlet pipe (3), the bottom part is provided with a discharge pipe (4), the inside of the tower body (1) is sequentially provided with a gas collecting hood (5), a primary spray header assembly (6), a secondary spray header assembly (7) and an aeration pipe (8) from top to bottom, the gas collecting hood (5) is communicated with the air outlet pipe (3), and the gas-collecting hood (5) and the gas outlet pipe (3) are both hollow structures with interlayers (9), the first-level spray head assembly (6) is uniformly arranged on the edge of the lower part of the gas-collecting hood (5), the secondary spray head component (7) is connected with an acid-proof pump (10) arranged outside through a pipeline, a water inlet (11) is arranged on the interlayer (9) of the air outlet pipe (3), the water inlet (11) is connected with a spray pump (13) through a water inlet pipeline (12).
2. A spray evaporator according to claim 1, wherein: the tower body (1) bottom be the cone structure, cone lower extreme evenly is provided with support column (14).
3. A spray evaporator according to claim 1, wherein: the air inlet pipe (2) is connected with a high-temperature centrifugal fan (15), and the discharge pipe (4) is provided with a valve (16).
4. A spray evaporator according to claim 1, wherein: the aeration pipes (8) are distributed uniformly along the radial direction of the tower body (1).
5. A spray evaporator according to claim 1, wherein: the primary spray head assembly (6) and the secondary spray head assembly (7) comprise one or more spray heads.
6. A spray evaporator according to claim 1, wherein: the tower body is also provided with an overflow port (17), and the overflow port (17) is connected with a water inlet pipe (20) through a circulating water pipe (18) and a circulating pump (19).
7. A spray evaporator according to claim 1, wherein: still be equipped with PLC controller (21) and go deep into inside ammonia concentration test probe (22) of tower body (1) on tower body (1), PLC controller (21) and ammonia concentration test probe (22) and acid-resisting pump (10) electric connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920881995.5U CN210544314U (en) | 2019-06-12 | 2019-06-12 | Spraying evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920881995.5U CN210544314U (en) | 2019-06-12 | 2019-06-12 | Spraying evaporator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210544314U true CN210544314U (en) | 2020-05-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920881995.5U Active CN210544314U (en) | 2019-06-12 | 2019-06-12 | Spraying evaporator |
Country Status (1)
| Country | Link |
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| CN (1) | CN210544314U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115594318A (en) * | 2022-12-13 | 2023-01-13 | 毅康科技有限公司（Cn） | Underground water aeration tower device for sewage treatment |
-
2019
- 2019-06-12 CN CN201920881995.5U patent/CN210544314U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115594318A (en) * | 2022-12-13 | 2023-01-13 | 毅康科技有限公司（Cn） | Underground water aeration tower device for sewage treatment |
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