CN216063306U - Activated carbon treatment equipment - Google Patents
Activated carbon treatment equipment Download PDFInfo
- Publication number
- CN216063306U CN216063306U CN202122559448.5U CN202122559448U CN216063306U CN 216063306 U CN216063306 U CN 216063306U CN 202122559448 U CN202122559448 U CN 202122559448U CN 216063306 U CN216063306 U CN 216063306U
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- Prior art keywords
- tank
- activated carbon
- pickling
- pickling tank
- neutralization
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 100
- 238000005554 pickling Methods 0.000 claims abstract description 77
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 47
- 238000006386 neutralization reaction Methods 0.000 claims abstract description 31
- 239000012267 brine Substances 0.000 claims abstract description 20
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 claims abstract description 14
- 239000002699 waste material Substances 0.000 claims abstract description 14
- 238000003756 stirring Methods 0.000 claims abstract description 7
- 239000008394 flocculating agent Substances 0.000 claims description 7
- 238000004064 recycling Methods 0.000 claims description 5
- 238000004062 sedimentation Methods 0.000 claims description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract description 20
- 239000002253 acid Substances 0.000 abstract description 18
- 239000000243 solution Substances 0.000 abstract description 15
- 238000007599 discharging Methods 0.000 abstract description 4
- 238000004140 cleaning Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000003825 pressing Methods 0.000 abstract description 3
- 229910052799 carbon Inorganic materials 0.000 abstract description 2
- 238000005189 flocculation Methods 0.000 abstract description 2
- 230000016615 flocculation Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000008237 rinsing water Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000002023 wood Substances 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 235000013162 Cocos nucifera Nutrition 0.000 description 1
- 244000060011 Cocos nucifera Species 0.000 description 1
- 240000007049 Juglans regia Species 0.000 description 1
- 235000009496 Juglans regia Nutrition 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 244000082204 Phyllostachys viridis Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000003929 acidic solution Substances 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 235000020234 walnut Nutrition 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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- Water Treatment By Sorption (AREA)
Abstract
The utility model discloses activated carbon treatment equipment, which relates to the technical field of activated carbon production and mainly comprises a pickling tank, a first neutralization tank, a second neutralization tank, a first waste brine tank, a filter press, a flocculant tank, a second waste brine tank, a reclaimed water tank and a reuse water tank; introducing steam into the pickling tank to ensure that the temperature in the pickling tank is up to 95 ℃, and adsorbing the sulfuric acid solution to saturation by using activated carbon; introducing steam to ensure that the temperature in the pickling tank is between 115 ℃ and 120 ℃, and keeping for three hours; exhausting and decompressing the pickling tank to normal pressure; adding cleaning hot water with the temperature of not less than 85 ℃ into a pickling tank until the activated carbon is submerged, stirring, and discharging water in the pickling tank after half an hour; until the pH value of the water discharged from the pickling tank is more than 6. Utilize steam to improve the temperature in the pickling tank, make the ash content in the active carbon more easily dissolved by sulfuric acid solution to the ash content in the better activated carbon of getting rid of, rethread neutralization, deposit, filter-pressing, flocculation make the acid water reach emission standard, in order to avoid causing the pollution to the environment.
Description
Technical Field
The utility model relates to the technical field of activated carbon production, in particular to activated carbon treatment equipment.
Background
The activated carbon has excellent adsorption characteristics, so that the activated carbon is widely applied to various industries such as energy, chemical industry, food, medicine, environmental protection, materials, metallurgy and the like, and becomes an important industrial product in production and life.
The raw materials for producing the activated carbon are divided into two major categories of coal-based activated carbon and wood-based activated carbon. Wood activated carbon can also be divided into two main categories: granular activated carbon represented by coconut shells, rubber shells, walnut shells and the like, and powdery activated carbon represented by wood chips, rice hulls, bamboo chips and the like.
The existing granular activated carbon pickling device comprises a cylinder body, wherein a liquid outlet is formed in the bottom of the cylinder body, and a filter plate with filter holes is arranged at the bottom in the cylinder body. During acid washing, materials (active carbon, hydrochloric acid and the like) are added into the cylinder body for reaction, and acid washing liquid is discharged through the water outlet after the reaction.
The existing activated carbon pickling device has low efficiency and unsatisfactory cleaning effect.
Disclosure of Invention
In order to solve the technical problems, the utility model provides the activated carbon treatment equipment which can better remove ash in the activated carbon, effectively treat wastewater generated in the pickling process and avoid environmental pollution.
In order to achieve the purpose, the utility model provides the following scheme:
the utility model provides activated carbon treatment equipment, which comprises a plurality of pickling tanks arranged in parallel; a first neutralization tank and a second neutralization tank communicated with the pickling tank, wherein the first neutralization tank and the second neutralization tank are arranged in parallel; a first waste-brine tank disposed in communication with the first neutralization tank; the filter press is communicated with the first waste brine tank; the flocculating agent tank is communicated with the filter press; the flocculant tank is communicated with the discharge pipe; the sedimentation tank is communicated with a discharge pipe; a second waste-brine tank disposed in communication with the second neutralization tank; a reclaimed water tank communicated with the second waste brine tank; and the recycling water tank is communicated with the reclaimed water tank and the pickling tank.
Optionally, a stirring device is arranged in the pickling tank.
Optionally, a heat insulation layer is arranged outside the pickling tank.
Optionally, the pickling tank is provided with a steam inlet.
Compared with the prior art, the utility model has the following technical effects:
according to the activated carbon treatment equipment disclosed by the utility model, the temperature in the pickling tank is increased by utilizing steam, so that ash in the activated carbon is more easily dissolved by a sulfuric acid solution, the ash in the activated carbon is better removed, and the acid water reaches the discharge standard through neutralization, precipitation, filter pressing and flocculation, so that the environment is prevented from being polluted.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic view showing the structure of an activated carbon treatment apparatus according to the present invention.
Description of reference numerals: 1. a pickling tank; 2. a first neutralization tank; 3. a first waste brine tank; 4. a filter press; 5. a flocculant tank; 6. a recycling water tank; 7. a reclaimed water tank; 8. a second waste brine tank; 9. a second neutralization tank.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
as shown in fig. 1, the present embodiment provides an activated carbon treatment process, which includes the following steps:
firstly, putting activated carbon into a pickling tank 1, and adding an acidic solution into the pickling tank 1; 6m is added into each pickling tank 134.2m of activated carbon3The acid solution of (2) is a sulfuric acid solution with a volume concentration of 15%;
secondly, introducing steam into the pickling tank 1 to raise the temperature in the pickling tank 1 to 95 ℃, and keeping the temperature for one hour, wherein in the process, the activated carbon adsorbs the sulfuric acid solution to a saturated state; then releasing the acid liquor;
thirdly, continuously introducing steam to raise the temperature in the pickling tank 1 to 115-120 ℃, and keeping the temperature for three hours; in the process of introducing steam, draining the pickling tank 1 every half hour to ensure that the water level in the pickling tank 1 is lower than a steam outlet;
fourthly, stopping introducing steam into the pickling tank 1, and exhausting and decompressing the pickling tank 1 to normal pressure;
fifthly, adding hot water with the temperature of not less than 85 ℃ into the pickling tank 1 until the activated carbon is submerged for about 4m3Water, stirring the activated carbon and the hot water in the pickling tank 1, and discharging the water in the pickling tank 1 after half an hour;
sixthly, repeating the fifth step for multiple times until the pH value of the water discharged from the pickling tank 1 is more than 6, and finishing the pickling process; finally, the iron content in the activated carbon is reduced from 6000ppm to not more than 150 ppm;
when the pH value of the water discharged from the pickling tank 1 is less than 2, the water discharged from the pickling tank 1 needs to be neutralized, precipitated, filter-pressed, added with a flocculating agent and then discharged.
When the pH of the water discharged from the pickling tank 1 is higher than 2, the water discharged from the pickling tank 1 is neutralized and precipitated and then used as hot rinsing water for several times in other pickling tanks 1.
Example two:
the embodiment discloses an activated carbon treatment equipment based on the first embodiment, and as shown in fig. 1, the activated carbon treatment equipment comprises four pickling tanks 1 arranged in parallel; a stirring device is arranged in the pickling tank 1; an insulating layer is arranged outside the pickling tank 1; the pickling tank 1 is provided with a steam inlet. A first neutralization tank 2 and a second neutralization tank 9 communicated with the pickling tank 1, wherein the first neutralization tank 2 and the second neutralization tank 9 are arranged in parallel; a first waste-brine tank provided in communication with the first neutralization tank 2; a filter press 4 communicated with the first waste brine tank; a flocculating agent tank 5 communicated with the filter press 4; the flocculating agent tank 5 is communicated with a discharge pipe; the sedimentation tank is communicated with a discharge pipe; a second waste-brine tank provided in communication with the second neutralization tank 9; a reclaimed water tank 7 communicated with the second waste brine tank; and the recycling water tank 6 is communicated with the reclaimed water tank 7, and the recycling water tank 6 is communicated with the pickling tank 1.
Adding activated carbon and a sulfuric acid solution with the volume concentration of 15% into the pickling tank 1, introducing steam to heat the interior of the pickling tank 1 to 95 ℃, keeping the temperature for one hour to enable the activated carbon to fully absorb the sulfuric acid solution, and then releasing the acid solution; continuously introducing steam to raise the temperature in the pickling tank 1 to 115-120 ℃, keeping for three hours, and during the period, paying attention to regularly discharging the condensed water in the pickling tank 1 to avoid the influence of overhigh water level on the entering of the steam; then stopping introducing steam, and decompressing the pickling tank 1 to normal pressure; adding cleaning hot water with the temperature of not less than 85 ℃ into the pickling tank 1 until the activated carbon is submerged, stirring the activated carbon and the hot water in the pickling tank 1, and discharging the water in the pickling tank 1 after half an hour; after repeated for many times, the pH value of the water discharged from the pickling tank 1 is more than 6, and the pickling process is finished; finally, the iron content in the activated carbon is reduced from 6000ppm to not more than 150 ppm;
when the pH value of the water discharged from the pickling tank 1 is less than 2, the water discharged from the pickling tank 1 needs to be neutralized, precipitated, filter-pressed, added with a flocculating agent and then discharged.
When the pH of the water discharged from the pickling tank 1 is higher than 2, the water discharged from the pickling tank 1 is neutralized and precipitated and then used as hot rinsing water for several times in other pickling tanks 1.
In a more specific example, 6m is added to each pickling tank 134.2m of activated carbon3The sulfuric acid solution with the volume concentration of 15 percent is introduced into the pickling tank 1, so that the temperature in the pickling tank 1 is raised to 95 ℃ and kept for one hour, the activated carbon is saturated and adsorbs the sulfuric acid solution, thereby being beneficial to removing ash adsorbed in the activated carbon, and then the acid solution is released; continuously introducing steam to raise the temperature in the pickling tank 1 to 115-120 ℃, wherein the high-temperature environment is more favorable for dissolving ash in the sulfuric acid solution and keeping for three hours, and during the period, condensed water is discharged every half hour to avoid the influence of the condensed water on the temperature in the pickling tank 1 when the steam outlet is submerged; after the reaction is maintained for three hours, the steam is stopped to be introduced, the pressure of the pickling tank 1 is reduced to the normal pressure, and about 4m of steam is added into the pickling tank 13The activated carbon is submerged by hot water with the temperature of not less than 85 ℃, the activated carbon is stirred by a stirring device, acid liquor is discharged to a first neutralization tank 2 after half an hour, alkaline substances are added into the first neutralization tank 2 to neutralize the acid liquor, the concentration of the acid liquor discharged for a plurality of times is higher, and the salt produced after neutralization is more, so the acid liquor for a plurality of times needs to be precipitated in the first waste brine tank, solid impurities in the first waste brine tank are discharged by a filter press 4, the pressed and filtered solid impurities can be used for making bricks, water separated out in the filter pressing process is added with a flocculating agent and then is discharged to a sewage treatment plant together with water in the first waste brine tank through a drain pipe; after rinsing for several times, the concentration of the acid liquor discharged from the pickling tank 1 is reduced, when the pH value of the acid liquor is greater than 2, the acid liquor discharged from the pickling tank 1 is discharged to the second neutralization tank 9, an alkaline substance is added into the second neutralization tank 9 for neutralization, and then the acid liquor is discharged to the second waste brine tank for precipitation, because the concentration of the acid liquor is lower at the moment, the salt produced after neutralization is less, generally less than 2%, the neutralized and precipitated acid liquor can directly enter the reuse water tank 6 to be used as rinsing water for starting rinsing for several times in other pickling tanks 1, and the purpose of saving water is achieved.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the utility model.
Claims (4)
1. The activated carbon treatment equipment is characterized by comprising a plurality of pickling tanks which are arranged in parallel; a first neutralization tank and a second neutralization tank communicated with the pickling tank, wherein the first neutralization tank and the second neutralization tank are arranged in parallel; a first waste-brine tank disposed in communication with the first neutralization tank; the filter press is communicated with the first waste brine tank; the flocculating agent tank is communicated with the filter press; the flocculant tank is communicated with the discharge pipe; the sedimentation tank is communicated with a discharge pipe; a second waste-brine tank disposed in communication with the second neutralization tank; a reclaimed water tank communicated with the second waste brine tank; and the recycling water tank is communicated with the reclaimed water tank and the pickling tank.
2. The activated carbon treatment apparatus of claim 1, wherein a stirring device is provided in the pickling tank.
3. The activated carbon treatment apparatus of claim 1, wherein an insulating layer is provided outside the pickling tank.
4. The activated carbon processing apparatus of claim 1, wherein the pickling tank is provided with a steam inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122559448.5U CN216063306U (en) | 2021-10-22 | 2021-10-22 | Activated carbon treatment equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122559448.5U CN216063306U (en) | 2021-10-22 | 2021-10-22 | Activated carbon treatment equipment |
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| Publication Number | Publication Date |
|---|---|
| CN216063306U true CN216063306U (en) | 2022-03-18 |
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| CN202122559448.5U Active CN216063306U (en) | 2021-10-22 | 2021-10-22 | Activated carbon treatment equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113813941A (en) * | 2021-10-22 | 2021-12-21 | 大同市贵义炭素有限公司 | Activated carbon treatment process and equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113813941A (en) * | 2021-10-22 | 2021-12-21 | 大同市贵义炭素有限公司 | Activated carbon treatment process and equipment |
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