CN104773412A - Method for preventing gas of chemicals in liquid storage container from dissipating - Google Patents
Method for preventing gas of chemicals in liquid storage container from dissipating Download PDFInfo
- Publication number
- CN104773412A CN104773412A CN201510076125.7A CN201510076125A CN104773412A CN 104773412 A CN104773412 A CN 104773412A CN 201510076125 A CN201510076125 A CN 201510076125A CN 104773412 A CN104773412 A CN 104773412A
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- China
- Prior art keywords
- storage container
- liquid storage
- valve
- liquid
- pipe
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/22—Safety features
- B65D90/30—Recovery of escaped vapours
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/22—Safety features
- B65D90/32—Arrangements for preventing, or minimising the effect of, excessive or insufficient pressure
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention discloses a method for preventing gas of chemicals in a liquid storage container from dissipating. According to the method, an exhaust device is adopted and comprises a liquid storage tank and an exhaust pipe arranged at the upper end of the liquid storage container, one end of the exhaust pipe is communicated with the liquid storage container, the other end of the exhaust pipe is positioned below the liquid level of the liquid storage tank, when the chemicals enter the liquid storage container, the air pressure in the liquid storage container is increased, and the exhaust pipe is used for guiding gas in the liquid storage container into the liquid storage tank; through the arrangement of a vacuum breaker valve at the upper end of the liquid storage container, when the chemicals are output from the liquid storage container, the air pressure in the liquid storage container is reduced, and the vacuum breaker valve is started and is used for guiding external air into the liquid storage container. The method has the advantages that gas dissipating from the inside of the liquid storage container is effectively prevented from harming the health of workers, in addition, a pipeline for introducing gas in the liquid storage container into a waste gas treatment station is structurally omitted, the treatment structure is simplified, and the treatment cost is reduced.
Description
Technical field
the present invention relates to a kind of method preventing chemical gas escape in liquid storage container.
Background technology
in beverage plant, often to use some chemical agents and equipment is carried out disinfection or cleans, such as adopt hot acid and thermokalite to carry out CIP cleaning, the fluid reservoir of hot acid and thermokalite in the workshop of therefore factory, can be placed.Because bronsted lowry acids and bases bronsted lowry has volatility, when in fluid reservoir, gaseous tension rises, the gas in fluid reservoir drains into workshop by breathing helmet, pollutes workshop condition, causes Health cost to the personnel worked in the environment for a long time simultaneously.Existing solution is generally utilize pipeline that pneumostome is caused offgas treatment station.But when offgas treatment station is far away, then need to be equipped with longer pipeline, the breathing of fluid reservoir so will be made to have some setbacks, cause system normally to work; And the Cemented filling of long distance also can bring higher construction cost.
Summary of the invention
the object of this invention is to provide a kind of method preventing chemical gas escape in liquid storage container, by arranging freeing pipe, the gas in liquid storage container being imported in reservoir, the air pressure that vacuum-breaking valve comes in stable liquid storage container is set in liquid storage container upper end simultaneously.
for achieving the above object, the technical solution used in the present invention is:
prevent a method for chemical gas escape in liquid storage container, described liquid storage container comprising liquid feed valve for inputting described chemical, for exporting the liquid valve of described chemical, said method comprising the steps of:
(1) liquid storage: open described liquid feed valve, closes described liquid valve, inputs in described liquid storage container by described chemical by described liquid feed valve;
(2) exhaust gear is set: described exhaust gear comprises reservoir, is located at the freeing pipe of described liquid storage container upper end, one end of described freeing pipe is connected with described liquid storage container, under the other end of described freeing pipe is positioned at the liquid level of described reservoir, when described chemical enters in described liquid storage container, air pressure in described liquid storage container increases, and the gas in described liquid storage container imports in described reservoir by described freeing pipe;
(3) fluid: open or close described liquid feed valve, opens described liquid valve, is exported by described chemical by described liquid valve;
(4) arrange vacuum-breaking valve: arrange vacuum-breaking valve in described liquid storage container upper end, when described chemical exports from described liquid storage container, the air pressure in described liquid storage container reduces, and described vacuum-breaking valve is opened, and is imported in described liquid storage container by outside air.
preferably, described exhaust gear also comprises hydraulic pipe for passing into liquid in described reservoir, to be located on described hydraulic pipe for controlling the liquid replenishment valve of its switch, overflow pipe for making the electrolyte level of described reservoir remain unchanged in described reservoir is located in upper end, and the setting of described reservoir is stretched out in the lower end of described overflow pipe.
more preferably, the upper end of described overflow pipe is higher than the lower end of described freeing pipe.
preferably, the gulp valve be provided with the pressure-detecting device for detecting air pressure in described liquid storage container in described liquid storage container, being connected with described pressure-detecting device circuitry phase, described gulp valve is located at the top of described liquid storage container, when first setting value of the air pressure in described liquid storage container lower than described pressure-detecting device, described pressure-detecting device controls described gulp valve and opens to input air in described liquid storage container.
preferably, be provided with level probe in described liquid storage container, described level probe is connected with described liquid feed valve circuitry phase, and when described level probe detects liquid level lower than the second setting value, described level probe controls described liquid feed valve and opens; When described level probe detects liquid level higher than the 3rd setting value, described level probe controls described liquid feed valve and cuts out.
preferably, described liquid valve is connected with drain pipe phase pipeline, and described drain pipe is provided with the infusion pump for extracting chemical described in described liquid storage container.
preferably, described liquid valve is connected with blow-off pipe phase pipeline, under one end of described blow-off pipe is positioned at the liquid level of described reservoir, described blow-off pipe is also provided with the foul valve controlling its switch.
due to the utilization of technique scheme, the present invention compared with prior art has following advantages: a kind of method preventing chemical gas escape in liquid storage container of the present invention, by arranging freeing pipe, the gas in liquid storage container is imported in reservoir, the air pressure that vacuum-breaking valve comes in stable liquid storage container is set in liquid storage container upper end simultaneously, effectively contain the Health cost that the gas of loss in liquid storage container causes workman, and eliminate the pipeline of the gas in liquid storage container being guided into offgas treatment station from structure, simplify process structure, decrease processing cost.
Accompanying drawing explanation
accompanying drawing 1 is the structural representation preventing the device of chemical gas escape adopted in the inventive method.
wherein: 1, liquid storage container; 2, liquid feed valve; 3, liquid valve; 4, exhaust gear; 41, reservoir; 42, freeing pipe; 43, hydraulic pipe; 44, liquid replenishment valve; 45, overflow pipe; 5, vacuum-breaking valve; 6, pressure-detecting device; 7, gulp valve; 8, level probe; 9, drain pipe; 10, blow-off pipe; 11, foul valve; 12, infusion pump.
Detailed description of the invention
below in conjunction with accompanying drawing, technical scheme of the present invention is further elaborated.
shown in Figure 1, a kind of above-mentioned method preventing chemical gas escape in liquid storage container, this liquid storage container 1 comprises liquid feed valve 2 for inputting chemical wherein, for externally exporting the liquid valve 3 of chemical, liquid feed valve 2 and liquid valve 3 are all located on liquid storage container 1, and liquid feed valve 2 is positioned at the top of liquid valve 3.
in order to discharge the gas in liquid storage container 1, exhaust gear 4 is set on liquid storage container 1 side.This exhaust gear 4 comprises reservoir 41, is located at the freeing pipe 42 of liquid storage container 1 upper end, and one end of this freeing pipe 42 is connected with liquid storage container 1, and the other end of this freeing pipe 42 is arranged in reservoir 41 and under going deep into the liquid level of reservoir 41.When chemical enters in liquid storage container 1, the air pressure in liquid storage container 1 increases, and the gas in liquid storage container 1 is entered in reservoir 41 by freeing pipe 42, is dissolved in the liquid in reservoir 41, decreases the pollution to environment.This chemical can be the highly volatile chemical agents such as nitric acid, Strong oxdiative sodium, Peracetic acid, hydrogen peroxide.
this exhaust gear 4 also comprises hydraulic pipe 43 for passing into liquid in reservoir 41, to be located on hydraulic pipe 43 for controlling the liquid replenishment valve 44 of its switch, overflow pipe 45 for making the electrolyte level of this reservoir 41 remain unchanged in reservoir 41 is located in upper end, reservoir 41 is stretched out for externally discharging the liquid in reservoir 41 in the lower end of this overflow pipe 45, and the upper end of this overflow pipe 45 is higher than the lower end of freeing pipe 42.
level probe 8 is also provided with in this liquid storage container 1, this level probe 8 is connected with liquid feed valve 2 circuitry phase, when level probe 8 detects that chemical liquid level in liquid storage container 1 is lower than the second setting value, level probe 8 controls liquid feed valve 2 and opens input chemical in liquid storage container 1; When level probe 8 detects that chemical liquid level in liquid storage container 1 is higher than the 3rd setting value, level probe 8 controls liquid feed valve 2 and cuts out.
causing air pressure wherein to change due to chemical inflow and outflow in this liquid storage container 1, in order to make this air pressure and external atmosphere pressure keep balancing, vacuum-breaking valve 5 being set in liquid storage container 1 upper end.When chemical exports from liquid storage container 1, the air pressure in this liquid storage container 1 reduces, and vacuum-breaking valve 5 is opened, and is imported by outside air in liquid storage container 1.
the gulp valve 7 be also provided with the pressure-detecting device 6 for detecting air pressure in liquid storage container 1 in liquid storage container 1, being connected with this pressure-detecting device 6 circuitry phase.This gulp valve 7 is located at the top of liquid storage container 1, when pressure variation is too fast, vacuum-breaking valve 5 cannot balance this air pressure by actv., when pressure-detecting device 6 detects first setting value of the air pressure in liquid storage container 1 lower than pressure-detecting device 6, this pressure-detecting device 6 controls gulp valve 7 and opens in liquid storage container 1 input air with balance air pressure wherein, prevents the distortion that liquid storage container 1 causes because air pressure inside is too low.
liquid valve 3 is connected with drain pipe 9 and blow-off pipe 10 phase pipeline respectively, under one end of this blow-off pipe 10 is positioned at the liquid level of reservoir 41, this blow-off pipe 10 is provided with the foul valve 11 controlling its switch, when needing the chemical waste liquid in liquid storage container 1 to discharge, opens foul valve 11.This drain pipe 9 is also provided with the infusion pump 12 for extracting chemical in liquid storage container 1, the chemical in liquid storage container 1 can export by fast speed by this infusion pump 12 from liquid storage container 1, and is delivered to and needs to use in the equipment of this chemical.
here is a kind of method preventing chemical gas escape in liquid storage container, and the method comprises the following steps:
(1) liquid storage: open liquid feed valve 2, closes liquid valve 3 simultaneously, inputs in liquid storage container 1 by chemical by liquid feed valve 2;
(2) exhaust gear is set: exhaust gear comprises reservoir 41, is located at the freeing pipe 42 of liquid storage container 1 upper end, one end of this freeing pipe 42 is connected with liquid storage container 1, the other end of this freeing pipe 42 to stretch in reservoir 41 and is positioned at below the liquid level of reservoir 41, when chemical enters in liquid storage container 1, air pressure in liquid storage container 1 increases, and the gas in liquid storage container 1 imports in reservoir 41 by freeing pipe 42;
(3) fluid: open or close liquid feed valve 2, opens liquid valve 3 simultaneously, is exported by chemical by liquid valve 3;
(4) vacuum-breaking valve is set: vacuum-breaking valve 5 is set in liquid storage container 1 upper end, when chemical exports from liquid storage container 1, the air pressure in liquid storage container 1 reduces, and vacuum-breaking valve 5 is opened, outside air is imported in liquid storage container 1, the air pressure in liquid storage container 1 and external atmosphere pressure are balanced mutually.
gas in liquid storage container imports in reservoir by arranging freeing pipe by the method, the air pressure that vacuum-breaking valve comes in stable liquid storage container is set in liquid storage container upper end simultaneously, effectively contain the Health cost that the gas of loss in liquid storage container causes workman, and eliminate the pipeline of the gas in liquid storage container being guided into offgas treatment station from structure, simplify process structure, decrease processing cost.
above-described embodiment is only for illustrating technical conceive of the present invention and feature; its object is to person skilled in the art can be understood content of the present invention and be implemented; can not limit the scope of the invention with this; all equivalences done according to Spirit Essence of the present invention change or modify, and all should be encompassed in protection scope of the present invention.
Claims (7)
1. prevent a method for chemical gas escape in liquid storage container, described liquid storage container comprising liquid feed valve for inputting described chemical, for exporting the liquid valve of described chemical, it is characterized in that: said method comprising the steps of:
(1) liquid storage: open described liquid feed valve, closes described liquid valve, inputs in described liquid storage container by described chemical by described liquid feed valve;
(2) exhaust gear is set: described exhaust gear comprises reservoir, is located at the freeing pipe of described liquid storage container upper end, one end of described freeing pipe is connected with described liquid storage container, under the other end of described freeing pipe is positioned at the liquid level of described reservoir, when described chemical enters in described liquid storage container, air pressure in described liquid storage container increases, and the gas in described liquid storage container imports in described reservoir by described freeing pipe;
(3) fluid: open or close described liquid feed valve, opens described liquid valve, is exported by described chemical by described liquid valve;
(4) arrange vacuum-breaking valve: arrange vacuum-breaking valve in described liquid storage container upper end, when described chemical exports from described liquid storage container, the air pressure in described liquid storage container reduces, and described vacuum-breaking valve is opened, and is imported in described liquid storage container by outside air.
2. a kind of method preventing chemical gas escape in liquid storage container according to claim 1, it is characterized in that: described exhaust gear also comprises hydraulic pipe for passing into liquid in described reservoir, to be located on described hydraulic pipe for controlling the liquid replenishment valve of its switch, overflow pipe for making the electrolyte level of described reservoir remain unchanged in described reservoir is located in upper end, and the setting of described reservoir is stretched out in the lower end of described overflow pipe.
3. a kind of method preventing chemical gas escape in liquid storage container according to claim 2, is characterized in that: the upper end of described overflow pipe is higher than the lower end of described freeing pipe.
4. a kind of method preventing chemical gas escape in liquid storage container according to claim 1, it is characterized in that: the gulp valve be provided with the pressure-detecting device for detecting air pressure in described liquid storage container in described liquid storage container, being connected with described pressure-detecting device circuitry phase, described gulp valve is located at the top of described liquid storage container, when first setting value of the air pressure in described liquid storage container lower than described pressure-detecting device, described pressure-detecting device controls described gulp valve and opens to input air in described liquid storage container.
5. a kind of method preventing chemical gas escape in liquid storage container according to claim 1, it is characterized in that: in described liquid storage container, be provided with level probe, described level probe is connected with described liquid feed valve circuitry phase, when described level probe detects liquid level lower than the second setting value, described level probe controls described liquid feed valve and opens; When described level probe detects liquid level higher than the 3rd setting value, described level probe controls described liquid feed valve and cuts out.
6. a kind of method preventing chemical gas escape in liquid storage container according to claim 1, it is characterized in that: described liquid valve is connected with drain pipe phase pipeline, described drain pipe is provided with the infusion pump for extracting chemical described in described liquid storage container.
7. a kind of method preventing chemical gas escape in liquid storage container according to claim 1, it is characterized in that: described liquid valve is connected with blow-off pipe phase pipeline, under one end of described blow-off pipe is positioned at the liquid level of described reservoir, described blow-off pipe is also provided with the foul valve controlling its switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510076125.7A CN104773412A (en) | 2015-02-13 | 2015-02-13 | Method for preventing gas of chemicals in liquid storage container from dissipating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510076125.7A CN104773412A (en) | 2015-02-13 | 2015-02-13 | Method for preventing gas of chemicals in liquid storage container from dissipating |
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| Publication Number | Publication Date |
|---|---|
| CN104773412A true CN104773412A (en) | 2015-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510076125.7A Pending CN104773412A (en) | 2015-02-13 | 2015-02-13 | Method for preventing gas of chemicals in liquid storage container from dissipating |
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| Country | Link |
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| CN (1) | CN104773412A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105059760A (en) * | 2015-08-07 | 2015-11-18 | 无锡市悦丰化工有限公司 | Novel methylacrylic acid formaldehyde solvent furnace |
| CN113484488A (en) * | 2021-07-06 | 2021-10-08 | 陕西中天盛隆智能科技有限公司 | Intelligent reference liquid pool for detecting ion concentration in liquid |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5151010A (en) * | 1974-10-31 | 1976-05-06 | Toho Gas Kk | |
| CN2216057Y (en) * | 1994-09-16 | 1995-12-27 | 艾藻荪 | Respiring device for acid or alkali storage tank |
| CN201857044U (en) * | 2010-07-20 | 2011-06-08 | 中芯国际集成电路制造(上海)有限公司 | Liquid storage device |
| CN202440010U (en) * | 2012-01-21 | 2012-09-19 | 浙江卫星石化股份有限公司 | Storage tank for volatile liquid materials |
| CN203461372U (en) * | 2013-09-05 | 2014-03-05 | 山东中科天泽净水材料有限公司 | Circular absorbing and recycling device for volatile acid mist from hydrochloric acid storage tank |
| CN203558373U (en) * | 2013-10-29 | 2014-04-23 | 盖金祥 | Oil gas recovery device of oil product storage tanks |
| CN103832720A (en) * | 2012-11-21 | 2014-06-04 | 纽科涂层武汉有限公司 | Raw material storage tank for polymer coating materials |
-
2015
- 2015-02-13 CN CN201510076125.7A patent/CN104773412A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5151010A (en) * | 1974-10-31 | 1976-05-06 | Toho Gas Kk | |
| CN2216057Y (en) * | 1994-09-16 | 1995-12-27 | 艾藻荪 | Respiring device for acid or alkali storage tank |
| CN201857044U (en) * | 2010-07-20 | 2011-06-08 | 中芯国际集成电路制造(上海)有限公司 | Liquid storage device |
| CN202440010U (en) * | 2012-01-21 | 2012-09-19 | 浙江卫星石化股份有限公司 | Storage tank for volatile liquid materials |
| CN103832720A (en) * | 2012-11-21 | 2014-06-04 | 纽科涂层武汉有限公司 | Raw material storage tank for polymer coating materials |
| CN203461372U (en) * | 2013-09-05 | 2014-03-05 | 山东中科天泽净水材料有限公司 | Circular absorbing and recycling device for volatile acid mist from hydrochloric acid storage tank |
| CN203558373U (en) * | 2013-10-29 | 2014-04-23 | 盖金祥 | Oil gas recovery device of oil product storage tanks |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105059760A (en) * | 2015-08-07 | 2015-11-18 | 无锡市悦丰化工有限公司 | Novel methylacrylic acid formaldehyde solvent furnace |
| CN113484488A (en) * | 2021-07-06 | 2021-10-08 | 陕西中天盛隆智能科技有限公司 | Intelligent reference liquid pool for detecting ion concentration in liquid |
| CN113484488B (en) * | 2021-07-06 | 2023-11-24 | 陕西中天盛隆智能科技有限公司 | Intelligent reference liquid pool for detecting concentration of ions in liquid |
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| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
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Application publication date: 20150715 |