CN204702560U - A kind of modularization gas-liquid catalyst oxidation reactor - Google Patents
A kind of modularization gas-liquid catalyst oxidation reactor Download PDFInfo
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- CN204702560U CN204702560U CN201520385856.5U CN201520385856U CN204702560U CN 204702560 U CN204702560 U CN 204702560U CN 201520385856 U CN201520385856 U CN 201520385856U CN 204702560 U CN204702560 U CN 204702560U
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Abstract
The utility model discloses a kind of modularization gas-liquid catalyst oxidation reactor, by reactor shell, internal partition, lower-left grid component, upper left grid component, the cascade ring huddled between upper left grid component and lower-left grid component, aeration assembly, bottom right screen assemblies, upper right screen assemblies, the right active carbon filler layer of filling between bottom right screen assemblies and upper right screen assemblies is formed, the utility model is by the pressure homogeneous of liquid phase and the integral structure of aeration and be oxidized in the pressure adsorption catalysis of activated carbon surface, accelerate the prussiate in waste liquid, the reducing substanceses such as COD and ozone and oxygen generation catalytic oxidation, accelerate the speed of reaction removing pollution substance in waste liquid, reduce the invalid effusion ratio of gas, realize containing prussiate, the industrial application that COD waste liquid efficiently processes.The utility model is integrated structure, and convenient transport and lifting, during use, multiple series and parallel in groups, is applicable to various industrial scale.
Description
Technical field
The utility model relates to a kind of modularized combination type reactor, particularly for the reactor carrying out advanced treatment containing prussiate and COD waste liquid, and specifically a kind of gas-liquid counter current mixing reactor.
Background technology
In the industrial production, cyanide process is the important means of wet underwater welding gold and silver always, thus the waste liquid containing cyanogen and cyanide derivatives of some amount be must discharge in process of production, simple prussiate and complex cyanide that multiple concentration differs and the COD composition such as the numerous cyanide derivatives of the kind such as cyanate, mauguinite and thiocyanate-comprised according to ore properties difference.
Be that the Ozonation of oxygenant has realized industrialization practicality with ozone in treatment Technology of Cyanide Wastewater method, and because its oxidisability is strong, non-secondary pollution, can reach that advanced treatment requires and day is favored.
Ozone is produced through ozone generation system effect by air, oxygen or oxygen enrichment source of the gas, the ozone containing lower concentration in the ozonation process gas of output and a large amount of oxygen.The reaction of ozonize source of the gas and cyanide bearing waste solution belongs to gas-liquid reaction category, structure design needs the decomposition and the simple physical effusion that reduce oxidizing gas in reaction process, increase the gas residence time in the liquid phase, and maximize the speed of reaction of reducing substances in gas and liquid phase, improve a utilization ratio of gas.
Gac gross activity surface-area generally reaches 300 ~ 1000m
2/ g, has very strong adsorption to the prussiate in cyanide wastewater, and when gac contacts with useless water and air simultaneously, the oxygen in air will adsorb on the activated carbon, and its absorption content is up to 10 ~ 40g/kg.Prussiate in the concentration ratio waste water of the prussiate on its surface and oxygen, dissolved oxygen concentration are much higher, than high thousands of times of oxygen in water, oxygen chemisorption is on activated carbon surface, form superoxide and alcohol acid functional group, together with the functional group such as phenolic aldehyde, benzoquinones, active surface is formed with other, the activation energy of reaction is also reduced, and oxidizing reaction occurs and reacts with oxygen much easier in water than prussiate.Absorption prussiate on the activated carbon issues raw hydrolysis reaction in the condition of hypoxgia and generates ammonium formiate, this reaction is not obvious under the aqueous solution normal temperature, but the effect of gac makes the speed of this reaction obviously accelerate, the ammonium formiate of generation decomposites carbon monoxide and ammonia when heating; When oxygen is sufficient, charcoal absorption oxygen produces hydrogen peroxide, makes prussiate generate cyanate and decomposes.After ozone is tightly held by activated carbon, the speed of ozone disintegrate declines greatly, and activity hydroxy is longer for action time, increases speed and the ability of oxidizing reaction.
Meanwhile, gac is as a kind of filler, and wetting ability is well more a lot of than other filler, between pH value in reaction 6 ~ 9, HCN stripping effectively can be suppressed to react and occur, contribute to completing of activated carbon catalysis oxidizing reaction.
Summary of the invention
The purpose of this utility model is accident emergent in order to solve manufacturing enterprise, and waste liquid leakage point is indefinite, needs removable and drops into the reaction unit disposed fast; Solve the problem that ozonize source of the gas utilization ratio is low, short in the liquid phase residence time and corrodibility is strong simultaneously, and a kind of modularized combination type reactor for carrying out efficient process containing prussiate and COD waste liquid is provided.This reactor realizes advanced treatment by multiple series connection, and adapts to various industrial scale by multiple parallel connection.The multiple technologies means such as the pressure homogeneous of liquid phase and the integral structure of aeration are utilized on the left of this inside reactor, right side utilizes pressure homogeneous and the absorption of activated carbon surface, system vapour lock is little, be applicable to the fast degradation of high density pollution thing waste liquid, accelerate the reducing substances such as prussiate, COD in waste liquid and ozone and oxygen generation catalytic oxidation, accelerate the speed of reaction removing pollution substance in waste liquid, reducing the invalid effusion ratio of gas, realizing the industrial application to efficiently processing containing prussiate, COD waste liquid.The utility model can be rectangle or square, overall dimensions do not overtake other vehicles long, overall width and vehicle-mounted time road conditions allow height, convenient transport and lifting.
The utility model includes reactor shell, internal partition, lower-left grill support gusset, lower-left grill support plate, the lower-left grid component of lower left quarter waved plate and lower-left grid retaining plate composition, upper left grill support gusset, upper left grill support plate, the upper left grid component of upper left quarter waved plate and upper left grid retaining plate composition, the cascade ring huddled between upper left grid component and lower-left grid component, aeration head, aeration distribution adapter, the main adapter of aeration, the aeration assembly of aeration main adapter segmentation flange composition, the bottom right screen assemblies that right screen cloth back up pad and right support screen cloth are formed, the upper right screen assemblies of right packing layer retaining plate and right fixed grit composition, fill the right active carbon filler layer that full granular active carbon is formed between bottom right screen assemblies and upper right screen assemblies, be located at the first manhole of both sides before and after reactor shell, visor, fluid inlet, leakage fluid dram, visor, second manhole and the 3rd manhole, be located at the air inlet reducing adapter at reactor shell top, inlet pipe, dosing mouth, venting port, air pressure balance mouth and hanger.Reactor shell can multiple serial or parallel connection.
Inlet system in anabolic reaction device after described aeration head, aeration distribution adapter, the main adapter of aeration, aeration main adapter segmentation flange, the adapter of air inlet reducing, inlet pipe connect.
Described internal partition is separated into two parts in left and right reactor shell internal space, and left side is solution-air zone of action, and right side is that solution-air is mixed district; Bottom, solution-air zone of action is aeration assembly, the lower-left grid component being upwards followed successively by lower-left grill support gusset, lower-left grill support plate, lower left quarter waved plate, lower-left grid retaining plate composition, the upper left grid component of upper left grill support gusset, upper left grill support plate, upper left quarter waved plate, upper left grid retaining plate composition, the cascade ring huddled between upper left grid component and lower-left grid component; The solution-air district that is mixed is followed successively by fill between upper right screen assemblies that bottom right screen assemblies that right screen cloth back up pad and right support screen cloth formed and right packing layer retaining plate and right fixed grit form and expires granular active carbon and form right active carbon filler floor; Solution-air zone of action and solution-air are mixed bottom district and are communicated with, and dividing plate position is marker space, is not communicated with.
The material of described reactor shell is 0Cr18Ni9 or 022Cr17Ni12Mo2 stainless steel.
The material of described reactor enclosure inside and outside flange and all connection sealing elements is viton or silicon rubber or tetrafluoroethylene.
In described reactor shell, the material of lower left quarter waved plate, upper left quarter waved plate and cascade ring is polypropylene or pottery.
The gac of the right active carbon filler layer in described reactor shell is fruit stone or the irregularly shaped gac of shell class.Such as coconut palm core and almond.
Working process of the present utility model and principle:
Before using, by the fluid inlet between the multiple reactor described in the utility model of adapter connection and leakage fluid dram, multiple reactor is formed equipment integrating, and the fluid inlet of first reactor is as the fluid inlet of pending waste liquid, and the leakage fluid dram of last reactor is as the leakage fluid dram of waste liquid after process; Be located at each reactor shell top air inlet reducing adapter on connect reducing valve after and connect compressed air source unit; Air pressure balance mouth connects vacuum pressure valves, outer row after the venting port of vacuum pressure valves and the venting port of reactor water receiving curtain in parallel absorb unreacted waste gas.
Pending waste liquid enters from the fluid inlet of first reactor, flow control is within the scope of technical requirements, after the liquid outlet side-view mirror place of this reactor has liquid level to rise, ozonation process source of the gas or air or oxygen is passed in reactor, the reducing valve connected before the adapter of adjustment air inlet reducing, ensures that intake pressure is greater than hydraulic pressure about the 0.03MPa of liquid level generation.Along with the inflow of pending waste liquid, open the air inlet reducing valve of each reactor successively.
The aerator of oxidizing gas in reactor forms high density reducing substances oxidizable contained by the pending liquid of uniform bubble and solution-air zone of action and reacts, force homogeneous gas-liquid two-phase through middle part ladder ring packing layer again, overflow from venting port to reactor solution-air zone of action top liquid level residual gas.Reaction solution crosses internal partition to gas-liquid mixing district from top, solution-air zone of action through ladder ring packing floor, after in gas-liquid mixing district, the activated carbon surface of active carbon filler floor forces homogeneous and the abundant catalyzed oxidation of absorption again, the fluid inlet of next reactor is entered through discharge opeing external pipeline of making a slip of the tongue, until the reducing substances complete reaction in waste liquid, qualified waste liquid is arranged from the leakage fluid dram of last reactor; Discharge from vacuum pressure valves after the waste gas of overflowing from liquid phase in gas-liquid mixing district forms malleation and lay down excess pressure, during gas-liquid mixing district internal cause liquid-flow generation reactor negative pressure, reactor outer air enters reactor balanced reaction device external and internal pressure by vacuum pressure valves.In reaction process, monitoring reaction conditions, squeezes into reactor by after the mixing of doses concentration from dosing mouth pH value regulator, catalysis medicament and reinforced deposition agent if desired.
The beneficial effects of the utility model are:
1, the utility model adopts modularized combination type design, facilitates multiple serial or parallel connection combine, and be beneficial to transport and lift, not needing if desired to unload can complete connection on carrier vehicle, comes into operation, is beneficial to emergency processing.
2, the utility model is provided with the uniform switch of gas-liquid on top, solution-air zone of action, gas-liquid mixing district is provided with the uniform and gas sorption catalyzing oxidation unit of gac gas-liquid, pass through layout optimization, effectively prevent bias current and channel, vapour lock, Concerning Flooding Phenomenon from producing, ensure that high density process gas and pending waste liquid carry out even high surface area counter current contact, improve the residence time of gas in liquid phase simultaneously.Reduce the simple physical effusion of oxidizing gas, increase a utilization ratio, improve once oxidation decomposition efficiency.
3, the built-in integrated titanium matter micropore metal sphere aerating apparatus of the utility model or Combined ceramic aeration disc, Controlling Technology gas bubbles size is at diameter 0.1 ~ 2mm.Have excellent erosion resistance, oxidation-resistance and mechanical property, long service life, aeration resistance is little, eyelet blocking can not be produced, make gas-liquid mixed even, reduce liquid-film resistance, increase vapour-liquid ratio surface-area, strengthening gas-liquid mass transfer effect, contributes to contact and the reaction of gas-liquid.Particularly for the instantaneous rapid reaction of some in Liquid film diffusion control region, obviously can increase speed of reaction, one time aeration rate is high.
4, the utility model shell adopts the stainless steels such as 0Cr18Ni9 or 022Cr17Ni12Mo2 to make, and has good erosion resistance to gas, liquid two-phase medium.
5, viton, silicon rubber and tetrafluoroethylene material are all selected in all connection sealings of the utility model, have good chemical stability to gas, liquid two-phase medium.
Accompanying drawing explanation
Fig. 1 is the front view of the utility model embodiment.
Embodiment
Refer to shown in Fig. 1, the present embodiment includes reactor shell 1, internal partition 2, lower-left grill support gusset 6, lower-left grill support plate 7, the lower-left grid component of lower left quarter waved plate 8 and lower-left grid retaining plate 9 composition, upper left grill support gusset 19, upper left grill support plate 20, the upper left grid component of upper left quarter waved plate 21 and upper left grid retaining plate 22 composition, the cascade ring 12 huddled between upper left grid component and lower-left grid component, aeration head 3, aeration distribution adapter 4, the main adapter 5 of aeration, the aeration assembly of aeration main adapter segmentation flange 11 composition, the bottom right screen assemblies that right screen cloth back up pad 31 and right support screen cloth 30 are formed, the upper right screen assemblies that right packing layer retaining plate 27 and right fixed grit 26 form, fill the right active carbon filler layer 28 that full granular active carbon is formed between bottom right screen assemblies and upper right screen assemblies, be located at the first manhole 10 of both sides before and after reactor shell 1, visor 13, fluid inlet 14, leakage fluid dram 25, visor 29, second manhole 32 and the 3rd manhole 33, be located at the air inlet reducing adapter 15 at reactor shell 1 top, inlet pipe 16, dosing mouth 17, venting port 18, air pressure balance mouth 23 and hanger 24.Reactor shell 1 can multiple serial or parallel connection.
Described aeration head 3, aeration distribution adapter 4, the main adapter of aeration 5, aeration main adapter segmentation flange 11, air inlet reducing adapter 15, inlet pipe 16 connect inlet system in rear anabolic reaction device.
Described internal partition 2 is separated into two parts in left and right reactor shell 1 internal space, and left side is solution-air zone of action, and right side is that solution-air is mixed district; Bottom, solution-air zone of action is aeration assembly, the lower-left grid component being upwards followed successively by lower-left grill support gusset 6, lower-left grill support plate 7, lower left quarter waved plate 8, lower-left grid retaining plate 9 composition, the upper left grid component of upper left grill support gusset 19, upper left grill support plate 20, upper left quarter waved plate 21, upper left grid retaining plate 22 composition, the cascade ring 12 huddled between upper left grid component and lower-left grid component; The solution-air district that is mixed is followed successively by fill between upper right screen assemblies that bottom right screen assemblies that right screen cloth back up pad 31 and right support screen cloth 30 formed and right packing layer retaining plate 27 and right fixed grit 26 form and expires granular active carbon and form right active carbon filler floor 28; Solution-air zone of action and solution-air are mixed bottom district and are communicated with, and dividing plate 2 position is marker space, is not communicated with.
The material of described reactor shell 1 is 0Cr18Ni9 or 022Cr17Ni12Mo2 stainless steel.
In described reactor shell 1, the material of outward flange and all connection sealing elements is viton or silicon rubber or tetrafluoroethylene.
In described reactor shell 1, the material of lower left quarter waved plate 8, upper left quarter waved plate 21 and cascade ring 12 is polypropylene or pottery.
The gac of the right active carbon filler layer 28 in described reactor shell 1 is fruit stone or the irregularly shaped gac of shell class.Such as coconut palm core and almond.
Claims (7)
1. a modularization gas-liquid catalyst oxidation reactor, is characterized in that: include reactor shell (1), internal partition (2), lower-left grill support gusset (6), lower-left grill support plate (7), the lower-left grid component that lower left quarter waved plate (8) and lower-left grid retaining plate (9) form, upper left grill support gusset (19), upper left grill support plate (20), the upper left grid component that upper left quarter waved plate (21) and upper left grid retaining plate (22) form, the cascade ring huddled between upper left grid component and lower-left grid component (12), aeration head (3), aeration distribution adapter (4), the main adapter of aeration (5), the aeration assembly that aeration main adapter segmentation flange (11) forms, the bottom right screen assemblies that right screen cloth back up pad (31) and right support screen cloth (30) are formed, the upper right screen assemblies that right packing layer retaining plate (27) and right fixed grit (26) form, fill the right active carbon filler layer (28) that full granular active carbon is formed between bottom right screen assemblies and upper right screen assemblies, be located at first manhole (10) of both sides before and after reactor shell (1), visor (13), fluid inlet (14), leakage fluid dram (25), visor (29), second manhole (32) and the 3rd manhole (33), be located at air inlet reducing adapter (15) at reactor shell (1) top, inlet pipe (16), dosing mouth (17), venting port (18), air pressure balance mouth (23) and hanger (24).
2. a kind of modularization gas-liquid catalyst oxidation reactor according to claim 1, is characterized in that: inlet system in anabolic reaction device after described aeration head (3), aeration distribution adapter (4), the main adapter of aeration (5), aeration main adapter segmentation flange (11), air inlet reducing adapter (15), inlet pipe (16) connect.
3. a kind of modularization gas-liquid catalyst oxidation reactor according to claim 1, it is characterized in that: described internal partition (2) is separated into two parts in left and right reactor shell (1) internal space, left side is solution-air zone of action, and right side is that solution-air is mixed district; Bottom, solution-air zone of action is aeration assembly, is upwards followed successively by lower-left grid component, upper left grid component, cascade ring (12); The solution-air district that is mixed is followed successively by bottom right screen assemblies and upper right screen assemblies, fills full granular active carbon and form right active carbon filler layer (28) between bottom right screen assemblies and upper right screen assemblies; Solution-air zone of action and solution-air are mixed bottom district and are communicated with, and dividing plate (2) position is marker space, is not communicated with.
4. a kind of modularization gas-liquid catalyst oxidation reactor according to claim 1, is characterized in that: the material of described reactor shell (1) is 0Cr18Ni9 or 022Cr17Ni12Mo2 stainless steel.
5. a kind of modularization gas-liquid catalyst oxidation reactor according to claim 1, is characterized in that: the material of described reactor shell (1) interior outward flange and all connection sealing elements is viton or silicon rubber or tetrafluoroethylene.
6. a kind of modularization gas-liquid catalyst oxidation reactor according to claim 1, is characterized in that: the material of the interior lower left quarter waved plate (8) of described reactor shell (1), upper left quarter waved plate (21) and cascade ring (12) is polypropylene or pottery.
7. a kind of modularization gas-liquid catalyst oxidation reactor according to claim 1, is characterized in that: the gac of the right active carbon filler layer (28) in described reactor shell (1) is fruit stone or the irregularly shaped gac of shell class.
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| CN201520385856.5U CN204702560U (en) | 2015-06-06 | 2015-06-06 | A kind of modularization gas-liquid catalyst oxidation reactor |
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| CN201520385856.5U CN204702560U (en) | 2015-06-06 | 2015-06-06 | A kind of modularization gas-liquid catalyst oxidation reactor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113636661A (en) * | 2021-08-16 | 2021-11-12 | 浙江力拓环保工程有限公司 | Corrugated plate micro-nano aeration pipe and aeration device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113636661A (en) * | 2021-08-16 | 2021-11-12 | 浙江力拓环保工程有限公司 | Corrugated plate micro-nano aeration pipe and aeration device |
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