CN108689441A - A kind of sewage stripping system and its water storage device - Google Patents
A kind of sewage stripping system and its water storage device Download PDFInfo
- Publication number
- CN108689441A CN108689441A CN201810487843.7A CN201810487843A CN108689441A CN 108689441 A CN108689441 A CN 108689441A CN 201810487843 A CN201810487843 A CN 201810487843A CN 108689441 A CN108689441 A CN 108689441A
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- Prior art keywords
- valve
- storage device
- water storage
- snorkel
- escape pipe
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/10—Treatment of water, waste water, or sewage by heating by distillation or evaporation by direct contact with a particulate solid or with a fluid, as a heat transfer medium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/06—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group B01J20/04
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/20—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbon; comprising carbon obtained by carbonising processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/30—Sulfur compounds
- B01D2257/304—Hydrogen sulfide
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/101—Sulfur compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/34—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32
- C02F2103/36—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32 from the manufacture of organic compounds
- C02F2103/365—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32 from the manufacture of organic compounds from petrochemical industry (e.g. refineries)
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- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- General Chemical & Material Sciences (AREA)
- Thermal Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Water Treatment By Sorption (AREA)
- Physical Water Treatments (AREA)
Abstract
The present invention provides a kind of sewage stripping system and its water storage devices, the water storage device includes water tank (1) and charcoal canister (3), it is provided with the first escape pipe at the top of water tank (1), the first breather valve (11) and the first valve (51) are installed on the first escape pipe;The entrance of charcoal canister (3) is connected to the first escape pipe by snorkel (61), and the junction of snorkel (61) and the first escape pipe is between the first breather valve (11) and the first valve (51), the outlet of charcoal canister (3) is connected with the second escape pipe, second breather valve (12) is installed on the second escape pipe, second valve (52) is installed on snorkel (61), it is also associated with air injection pipe on snorkel (61), third valve (53) is installed in air injection pipe.Water storage device provided by the invention can be effectively prevented hydrogen sulfide and escape into ambient enviroment, so as to avoid the appearance of stink.
Description
Technical field
The present invention relates to technical field of sewage, more particularly to a kind of sewage stripping system and its water storage device.
Background technology
In petroleum refining process, the waste water of various pollution environment will produce.The sulfur-containing waste water of oil plant, especially processing contain
The sulfur-containing waste water of sulphur crude oil refineries generally requires and removes most of sulphur, ammonia and other impurities by pretreatment, can be sent into dirt
Water treatment plant.Sulphur and ammonia in waste water is mainly with NH4HS,[NH4]2The form of S exists, ammonia also with CO2Form [NH4]2CO3And
NH4HCO3, these substances can be decomposed into ammonia, hydrogen sulfide and CO2 and be separated from the water away under heating and stripping, therefore,
Domestic oil plant mostly uses vaporizing extract process pretreatment sour water.
Hydrogen sulfide is a kind of inorganic compound, is a kind of colourless, inflammable sour gas, band when concentration is low under normal circumstances
Stench, smell such as addled egg;Instead without smell (because the hydrogen sulfide of high concentration can benumb olfactory nerves) when concentration is high.Vulcanization
Hydrogen is a kind of acute severe toxicity, and sucking a small amount of high-concentration hydrogen sulfide can be in fatal in the short time.The hydrogen sulfide of low concentration is to eye, breathing
System and nervous centralis all have an impact.
The aqueous solution of hydrogen sulfide is a kind of weak acid hydrosulphuric acid, when pressure wave occurs in the water tank of sewage stripping system
When dynamic, often there is a small amount of hydrogen sulfide to evaporate the stink for causing occur slight around tank deck, because concentration is smaller, hydrogen sulfide alarm
It can not detect, so the stink around water tank is difficult to obtain timely processing, therefore, how improve sewage stripping system, with
It avoids occurring stink around water tank, becomes those skilled in the art's technical problem urgently to be resolved hurrily.
Invention content
In view of this, the present invention provides a kind of sewage stripping system and its water storage device, which can have
Prevent hydrogen sulfide from escaping into ambient enviroment to effect, so as to avoid the appearance of stink.
In order to achieve the above object, the present invention provides the following technical solutions:
A kind of water storage device of sewage stripping system, including:
With stripper by the water tank of piping connection, it is provided with the first escape pipe at the top of the water tank, described
First breather valve and the first valve are installed, first breather valve is located at first valve and the water storage on one escape pipe
Between tank;
It is loaded with the charcoal canister of activated carbon, the entrance of the charcoal canister is connected with first escape pipe by snorkel
It is logical, and the junction of the snorkel and first escape pipe is between first breather valve and first valve,
Second valve, the portion between second valve and the charcoal canister of the snorkel are installed on the snorkel
Dividing and be connected with air injection pipe, third valve is installed in the air injection pipe, the outlet of the charcoal canister is connected with the second escape pipe,
The second breather valve is installed on second escape pipe.
Preferably, in above-mentioned water storage device, the 4th valve is installed on the snorkel, the air injection pipe is led to described
The junction of tracheae is between the third valve and the 4th valve.
Preferably, in above-mentioned water storage device, the technical indicator of the activated carbon in the charcoal canister includes:
Iodine number >=900mg/g, Kong Rong >=0.7mL/g, specific surface area >=1000m2/g。
Preferably, in above-mentioned water storage device, the activated carbon is to have desulfurizing agent function using prepared by infusion process
Modified activated carbon, dipping solution include 3% oxidation copper solution and 1.5% oxidation cobalt liquor, and preparation process is specially:
Selection 4mm × 5mm column-shaped active carbons are raw material, quiet at normal temperatures by absorbent charcoal carrier incipient impregnation copper oxide
After setting for 24 hours, in 120 DEG C of dry 2h, then by activated carbon incipient impregnation cobalt oxide after modified, after standing for 24 hours at normal temperatures,
In 120 DEG C of dry 2h, the then N in tube furnace2Protect lower 300 DEG C of calcinings 4h.
Preferably, in above-mentioned water storage device, the inner cavity specification of the charcoal canister is 700 × 2000mm of Φ, the work
Property canister in activated carbon loadings be 700 × 1700mm of Φ, load 600Kg.
Preferably, in above-mentioned water storage device, the volume of the water tank is 4500m3~5000m3。
A kind of sewage stripping system, including water storage device, the water storage device are the storage disclosed in above-mentioned any one
Water installations.
According to above-mentioned technical proposal it is found that provided by the present invention in the water storage device of sewage stripping system, water storage
The tank deck of tank is connected to the entrance of charcoal canister by the first escape pipe and snorkel, is escaped from water tank when there is hydrogen sulfide gas
When, stink damp is known from experience enters charcoal canister along the first escape pipe and snorkel, and the activated carbon in charcoal canister can adsorb
Hydrogen sulfide gas makes the Periapical smell of tank be improved, avoids to prevent hydrogen sulfide gas to be diffused into ambient enviroment
It causes the pollution of air and endangers personal safety.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of schematic diagram of the water storage device of sewage stripping system provided in an embodiment of the present invention.
In figure label for:
1, water tank;2, water pump;3, charcoal canister;11, the first breather valve;12, the second breather valve;41, water inlet pipe;42,
Outlet pipe;51, the first valve;52, the second valve;53, third valve;54, the 4th valve;61, snorkel.
Specific implementation mode
In order to make it easy to understand, the invention will be further described below in conjunction with the accompanying drawings.
It is a kind of schematic diagram of the water storage device of sewage stripping system provided in an embodiment of the present invention referring to Fig. 1.
Water storage device provided in an embodiment of the present invention for sewage stripping system includes water tank 1 and charcoal canister 3,
Wherein, for water tank 1 with stripper (not shown) by piping connection, acid water enters water tank 1, water storage by water inlet pipe 41
Acid water in tank 1 is flowed out by outlet pipe 42, and is sent to stripper by water pump 2, and the top of water tank 1 is provided with the first escape pipe
(unmarked in figure), the first breather valve 11 and the first valve 51 are equipped on the first escape pipe, and the first breather valve 11 is located at first
Between valve 51 and water tank 1;
Activated carbon is loaded in charcoal canister 3, the entrance of charcoal canister 3 is connected to the first escape pipe by snorkel 61,
And the junction of snorkel 61 and the first escape pipe is installed between the first breather valve 11 and the first valve 51 on snorkel 61
There are the second valve 52, the part between the second valve 52 and charcoal canister 3 of snorkel 61 to be connected with air injection pipe (in figure not
Label), third valve 53 is installed in air injection pipe, the outlet of charcoal canister 3 is connected with the second escape pipe (unmarked in figure), the
Second breather valve 12 is installed on two escape pipes.
In the present embodiment, the 4th valve 54 is installed on snorkel 61, the junction of air injection pipe and snorkel 61 is located at the
Between three valves 53 and the 4th valve 54, after in this way closing the 4th valve 54, gas pair the 4th can be blown by air injection pipe
Blowback is implemented in the other side of the relative activity canister 3 of valve 54, to reach the purpose of cleaning pipeline.
In specific practical application, the technical indicator of the activated carbon in charcoal canister 3 can specifically include following items content:
Iodine number >=900mg/g, Kong Rong >=0.7mL/g, specific surface area >=1000m2/g。
Activated carbon may be used modified activated carbon, in the present embodiment, activated carbon be using infusion process prepares with desulfurization
The modified activated carbon of agent function, dipping solution include 3% oxidation copper solution and 1.5% oxidation cobalt liquor, preparation process tool
Body is:
Selection 4mm × 5mm column-shaped active carbons are raw material, quiet at normal temperatures by absorbent charcoal carrier incipient impregnation copper oxide
After setting for 24 hours, in 120 DEG C of dry 2h, then by activated carbon incipient impregnation cobalt oxide after modified, after standing for 24 hours at normal temperatures,
In 120 DEG C of dry 2h, the then N in tube furnace2Protect lower 300 DEG C of calcinings 4h.
By the modification of copper oxide and cobalt oxide, the Sulfur capacity of activated carbon can be improved, improves adsorbance, is extended using week
Phase, hydrogen sulfide maximal absorptive capacity are 10.5%, and lighter hydrocarbons maximal absorptive capacity is 27%.
The volume of water tank 1 can be 4500m3~5000m3, charcoal canister 3 generally use inner cavity specification for Φ 700 ×
The tank body of 2000mm, the loadings of activated carbon are generally 700 × 1700mm of Φ in charcoal canister 3, load 600Kg.
The operation principle of the water storage device of the present embodiment is introduced below:
Acid water majority is formed with ammonium sulfide and ammonium hydro sulfide, while having partly soluble hydrogen sulfide.Acid water is in water storage
In tank 1 during storage, has hydrogen sulfide, lighter hydrocarbons etc. and be volatized into gas phase from liquid phase, in pressure rise, sour gas can be through tank deck
The 11 outside pressure release of the first breather valve.Within the period that runs well, the first valve 51 and third valve 53 are closed, acid
Property gas enter charcoal canister 3 through the second valve 52 and the 4th valve 54, modified activated carbon in sour gas hydrogen sulfide and
A small amount of lighter hydrocarbons are adsorbed, and the vulcanization hydrogen partial after absorption is oxidized to sulfur dioxide under the action of copper oxide and cobalt oxide.
After activated carbon adsorption, volume of rest gas is seldom, does not have exhaust emissions substantially, only larger in pressure oscillation
When, excessive tail gas discharges through the second breather valve 12, therefore can improve gas around tank deck by the catharsis of the water storage device
Taste.
When activated carbon penetrates, needs to change flow, activated carbon is regenerated:
The first valve 51 is first turned on, prevents water tank 1 from building the pressure, the second valve 52 is closed, by regenerative system and water tank 1
Isolation;The 4th valve 54 is opened, 1.0MPa steam is introduced and charcoal canister 3 is purged, 2h is purged with the amount of 2t/h, utilizes water
Principle similar in polarity with hydrogen sulfide thoroughly replaces hydrogen sulfide, while so that low boiling point lighter hydrocarbons is volatilized using the high temperature of steam,
Steam returns to the knockout drum of steam public system after purging;After steam blowing, blowing medium is switched over, utilizes 200
DEG C hot nitrogen is with 30m3The amount of/h, to regenerating active carbon, purges remaining hydrogen sulfide and the moisture of absorption by the 4th valve 54,
Tail gas returns to nitrogen public system through the second breather valve 12.
Provided by the present invention in the water storage device of sewage stripping system, tank deck and the charcoal canister 3 of water tank 1
Entrance is connected to by the first escape pipe with snorkel 61, and when there is hydrogen sulfide gas to be escaped from water tank 1, stink damp is known from experience suitable
The first escape pipe and snorkel 61 and enter charcoal canister 3, the activated carbon in charcoal canister 3 can with adsorption of hydrogen sulfide gas, from
And hydrogen sulfide gas is prevented to be diffused into ambient enviroment, so that the Periapical smell of tank is improved, avoids the dirt for causing air
Contaminate and endanger personal safety.
The present invention also provides a kind of sewage stripping system, which includes the disclosed storage of above-described embodiment
Water installations.Since water storage device disclosed in above-described embodiment has above-mentioned technique effect, the acidity with the water storage device
Water stripping system equally has above-mentioned technique effect, and repeats no more herein.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
A variety of modifications of embodiment will be apparent to those skilled in the art, it is as defined herein general
Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, the present invention will not
It can be restricted to embodiment illustrated herein, and be to fit to consistent with the principles and novel features disclosed in this article most wide
Range.
Claims (7)
1. a kind of water storage device of sewage stripping system, which is characterized in that including:
With stripper by the water tank (1) of piping connection, it is provided with the first escape pipe at the top of the water tank (1), it is described
First breather valve (11) and the first valve (51) are installed, first breather valve (11) is located at described first on the first escape pipe
Between valve (51) and the water tank (1);
It is loaded with the charcoal canister (3) of activated carbon, entrance and first escape pipe of the charcoal canister (3) pass through snorkel
(61) it is connected to, and the junction of the snorkel (61) and first escape pipe is located at first breather valve (11) and described
Between first valve (51), the second valve (52) is installed on the snorkel (61), being located at for the snorkel (61) is described
Part between second valve (52) and the charcoal canister (3) is connected with air injection pipe, and third valve is equipped in the air injection pipe
Door (53), the outlet of the charcoal canister (3) is connected with the second escape pipe, the second breather valve is equipped on second escape pipe
(12)。
2. water storage device according to claim 1, which is characterized in that be equipped with the 4th valve on the snorkel (61)
(54), the air injection pipe and the junction of the snorkel (61) are located at the third valve (53) and the 4th valve (54)
Between.
3. water storage device according to claim 1, which is characterized in that the technology of the activated carbon in the charcoal canister (3)
Index includes:
Iodine number >=900mg/g, Kong Rong >=0.7mL/g, specific surface area >=1000m2/g。
4. water storage device according to claim 3, which is characterized in that the activated carbon is to be had using prepared by infusion process
The modified activated carbon of desulfurizing agent function, dipping solution include 3% oxidation copper solution and 1.5% oxidation cobalt liquor, are prepared
Journey is specially:
Selection 4mm × 5mm column-shaped active carbons are that raw material stands absorbent charcoal carrier incipient impregnation copper oxide for 24 hours at normal temperatures
Afterwards, in 120 DEG C of dry 2h, then by activated carbon incipient impregnation cobalt oxide after modified, after standing for 24 hours at normal temperatures, 120
DEG C dry 2h, the then N in tube furnace2Protect lower 300 DEG C of calcinings 4h.
5. water storage device according to claim 4, which is characterized in that the inner cavity specification of the charcoal canister (3) is Φ 700
The loadings of × 2000mm, the interior activated carbon of the charcoal canister (3) are 700 × 1700mm of Φ, load 600Kg.
6. the water storage device according to any one of Claims 1 to 5, which is characterized in that the volume of the water tank (1)
For 4500m3~5000m3。
7. a kind of sewage stripping system, including water storage device, which is characterized in that the water storage device is such as claim 1~6
Any one of described in water storage device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810487843.7A CN108689441A (en) | 2018-05-21 | 2018-05-21 | A kind of sewage stripping system and its water storage device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810487843.7A CN108689441A (en) | 2018-05-21 | 2018-05-21 | A kind of sewage stripping system and its water storage device |
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| Publication Number | Publication Date |
|---|---|
| CN108689441A true CN108689441A (en) | 2018-10-23 |
Family
ID=63846608
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810487843.7A Pending CN108689441A (en) | 2018-05-21 | 2018-05-21 | A kind of sewage stripping system and its water storage device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111790243A (en) * | 2020-08-07 | 2020-10-20 | 高陵蓝晓科技新材料有限公司 | Disposable waste gas adsorption device, system and use method |
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2018
- 2018-05-21 CN CN201810487843.7A patent/CN108689441A/en active Pending
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| CN101239272A (en) * | 2007-02-09 | 2008-08-13 | 中国石油化工股份有限公司 | Processing method of sewage storage tank discharging gas |
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| CN201424254Y (en) * | 2009-05-26 | 2010-03-17 | 中国石油天然气股份有限公司长庆石化分公司 | Acidic water stripping raw material water tank deodorizing device |
| CN202643358U (en) * | 2012-06-13 | 2013-01-02 | 北京海淀中京工程设计软件技术有限公司 | Acidic water stripping unit used in petrochemical engineering |
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| Title |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111790243A (en) * | 2020-08-07 | 2020-10-20 | 高陵蓝晓科技新材料有限公司 | Disposable waste gas adsorption device, system and use method |
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Application publication date: 20181023 |