CN105460877A - Totally-sealed fuming sulfuric acid storing and filling system - Google Patents
Totally-sealed fuming sulfuric acid storing and filling system Download PDFInfo
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- CN105460877A CN105460877A CN201410439897.8A CN201410439897A CN105460877A CN 105460877 A CN105460877 A CN 105460877A CN 201410439897 A CN201410439897 A CN 201410439897A CN 105460877 A CN105460877 A CN 105460877A
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- fuming
- acid
- tank
- absorption tower
- fuming acid
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Abstract
The invention provides a totally-sealed fuming sulfuric acid storing and filling system. According to the technical scheme, the totally-sealed fuming sulfuric acid storing and filling system is composed of a fuming acid production device, a fuming acid storage tank, a balance pipeline, a fuming acid metering tank, an automobile groove tank, an alkali liquor absorption tower, a fuming acid pump tank and an automobile groove tank; the fuming acid production device is communicated with the fuming acid storage tank through a pipeline; the fuming acid storage tank, the fuming acid metering tank, the alkali liquor absorption tower and the fuming acid pump tank are communicated through the balance pipeline, so that a sealed loop is formed; the fuming acid metering tank is communicated with the automobile groove tank. The totally-sealed fuming sulfuric acid storing and filling system has the beneficial effects that the problem of environment pollution caused in the storing and filling process of fuming sulfuric acid is solved, and the totally-sealed storing and filling process of the fuming sulfuric acid is achieved.
Description
Technical field
The present invention relates to chemical technology field, particularly relate to a kind of fuming sulfuric acid totally enclosed and store bulking system.
Background technology
Fuming sulfuric acid, the namely sulfuric acid solution of sulphur trioxide.Colourless to light brown viscous fuming liquids, its density, fusing point, boiling point are because of SO
3content is different and different.When it is exposed in air, the SO evaporated
3drip with the tiny dew of the water vapour formation sulfuric acid in air and smolder, so be referred to as fuming sulfuric acid.Traditional fuming sulfuric acid stores and filling process, usually can in pouring process, have part sulfur trioxide gas to run out of, cause environmental pollution.For solving the problem, spy develops a kind of fuming sulfuric acid totally enclosed and stores bulking system, solves fuming sulfuric acid and realize fully enclosed technical barrier in storage and pouring process.
Summary of the invention
The object of this invention is to provide a kind of fuming sulfuric acid totally enclosed and store bulking system.
Technical scheme of the present invention is: a kind of fuming sulfuric acid totally enclosed stores bulking system, by fuming acid process units, fuming acid storage tank, equalizing line, fuming acid dump tank, vehicle slot tank, alkali liquor absorption tower, fuming acid pump groove and vehicle slot tank composition, described fuming acid process units is communicated with fuming acid storage tank by pipeline, described fuming acid storage tank, fuming acid dump tank, alkali liquor absorption tower and fuming acid pump groove are communicated with formation sealed circuit by equalizing line, the side of described alkali liquor absorption tower is also provided with chimney and alkali lye circulation groove, the top of described alkali liquor absorption tower is communicated with chimney by pipeline, described alkali liquor absorption tower and alkali lye circulation groove form loop by two-way pipeline connection, pipeline between described alkali liquor absorption tower and alkali lye circulation groove is provided with NaOH solution circulating pump, the side of described alkali lye circulation groove is also provided with alkali lye and supplements mouth, pipeline between described fuming acid pump groove and fuming acid dump tank is provided with fuming acid pump, the side of described fuming acid dump tank is provided with delivery conduit, described fuming acid dump tank is communicated with vehicle slot tank by delivery conduit.
Further, be also provided with metallic hose between described delivery conduit and vehicle slot tank, described delivery conduit is communicated with by metallic hose with vehicle slot tank.
Further, the level attitude on described fuming acid dump tank and ground is higher than the level attitude on vehicle slot tank and ground.
Further, also pressure valve is provided with between described alkali liquor absorption tower and equalizing line.
Further again, described NaOH solution circulating pump and fuming acid pump are single-stage centrifugal pump.
Beneficial effect of the present invention is: this fuming sulfuric acid totally enclosed stores bulking system and solves fuming sulfuric acid and storing and the environmental pollution problem that occurs in pouring process, achieves completely closed in storage and pouring process of fuming sulfuric acid.And actv. to utilize high potential difference to carry out filling, utilize alkali lye cycle down low exhaust gas to discharge, realizing the intermittent switch of equipment by installing pressure valve additional, reaching the object of energy-saving and emission-reduction.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present invention.
Wherein: 1, fuming acid process units 2, fuming acid storage tank 3, equalizing line
4, chimney 5, fuming acid dump tank 6, metallic hose
7, vehicle slot tank 8, alkali lye supplement mouth 9, alkali lye circulation groove
10, NaOH solution circulating pump 11, alkali liquor absorption tower 12, fuming acid pump groove
13, fuming acid pump 14, delivery conduit 15, pressure valve
Detailed description of the invention
Below in conjunction with accompanying drawing, brief description is made to the specific embodiment of the present invention.
A kind of fuming sulfuric acid totally enclosed stores bulking system as shown in Figure 1, it is characterized in that: by fuming acid process units 1, fuming acid storage tank 2, equalizing line 3, fuming acid dump tank 5, vehicle slot tank 7, alkali liquor absorption tower 11, fuming acid pump groove 12 and vehicle slot tank 7 form, described fuming acid process units 1 is communicated with fuming acid storage tank 2 by pipeline, described fuming acid storage tank 2, fuming acid dump tank 5, alkali liquor absorption tower 11 and fuming acid pump groove 12 are communicated with formation sealed circuit by equalizing line 3, the side of described alkali liquor absorption tower 11 is also provided with chimney 4 and alkali lye circulation groove 9, the top of described alkali liquor absorption tower 11 is communicated with chimney 4 by pipeline, described alkali liquor absorption tower 11 forms loop with alkali lye circulation groove 9 by two-way pipeline connection, pipeline between described alkali liquor absorption tower 11 and alkali lye circulation groove 9 is provided with NaOH solution circulating pump 10, the side of described alkali lye circulation groove 9 is also provided with alkali lye and supplements mouth 8, pipeline between described fuming acid pump groove 12 and fuming acid dump tank 5 is provided with fuming acid pump 13, the side of described fuming acid dump tank 5 is provided with delivery conduit 14, described fuming acid dump tank 5 is communicated with vehicle slot tank 7 by delivery conduit 14.
Also be provided with metallic hose 6 between described delivery conduit 14 and vehicle slot tank 7, described delivery conduit 14 is communicated with by metallic hose 6 with vehicle slot tank 7.The toughness of metallic hose 6 self is utilized effectively to prevent pouring process from leaking.
The level attitude on described fuming acid dump tank 5 and ground is higher than the level attitude of vehicle slot tank 7 with ground.By utilizing high potential difference, fuming acid is poured in vehicle slot tank.
Pressure valve 15 is also provided with between described alkali liquor absorption tower 11 and equalizing line 3.When equalizing line 4 internal pressure is too high, pressure valve 15 is opened, and NaOH solution circulating pump 10 and alkali liquor absorption tower 11 are started working.
Described NaOH solution circulating pump 10 and fuming acid pump 13 are single-stage centrifugal pump.Its flowrate variation is smaller and lift is little low, effectively can overcome the Pressure Drop of circulating system, effectively prevents pipeline inner pressure too high in fully enclosed situation.
Mode of operation: this fuming sulfuric acid totally enclosed stores bulking system and realizes storage process totally-enclosed with fuming acid pump groove 12 by being connected equalizing line 4 by fuming acid storage tank 2, fuming acid dump tank 5, alkali liquor absorption tower 11.Fuming acid dump tank 5 is connected with metallic hose 6 respectively with vehicle slot tank 7 (gas phase and liquid phase), utilizes high potential difference to be poured in vehicle slot tank 7 by fuming acid, achieves the totally-enclosed of pouring process.When there is pressure superelevation in equalizing line 4, by the sulfur trioxide gas in equalizing line 4 is introduced in alkali liquor absorption tower 11, start NaOH solution circulating pump 10 alkali lye and carry out cyclic absorption, and regularly supplementing mouth 8 by alkali lye changes alkali lye, tail gas after cyclic absorption is discharged by chimney 4, can guarantee that exhaust emissions is qualified.Under equipment normal operating conditions, alkali liquor absorption tower 11 is in dead status, energy-saving and emission-reduction.
Above one embodiment of the present of invention have been described in detail, but described content being only preferred embodiment of the present invention, can not being considered to for limiting practical range of the present invention.All equalizations done according to the present patent application scope change and improve, and all should still belong within patent covering scope of the present invention.
Claims (5)
1. a fuming sulfuric acid totally enclosed stores bulking system, it is characterized in that: by fuming acid process units, fuming acid storage tank, equalizing line, fuming acid dump tank, vehicle slot tank, alkali liquor absorption tower, fuming acid pump groove and vehicle slot tank composition, described fuming acid process units is communicated with fuming acid storage tank by pipeline, described fuming acid storage tank, fuming acid dump tank, alkali liquor absorption tower and fuming acid pump groove are communicated with formation sealed circuit by equalizing line, the side of described alkali liquor absorption tower is also provided with chimney and alkali lye circulation groove, the top of described alkali liquor absorption tower is communicated with chimney by pipeline, described alkali liquor absorption tower and alkali lye circulation groove form loop by two-way pipeline connection, pipeline between described alkali liquor absorption tower and alkali lye circulation groove is provided with NaOH solution circulating pump, the side of described alkali lye circulation groove is also provided with alkali lye and supplements mouth, pipeline between described fuming acid pump groove and fuming acid dump tank is provided with fuming acid pump, the side of described fuming acid dump tank is provided with delivery conduit, described fuming acid dump tank is communicated with vehicle slot tank by delivery conduit.
2. fuming sulfuric acid totally enclosed stores bulking system according to claim 1, and it is characterized in that: be also provided with metallic hose between described delivery conduit and vehicle slot tank, described delivery conduit is communicated with by metallic hose with vehicle slot tank.
3. fuming sulfuric acid totally enclosed stores bulking system according to claim 1, it is characterized in that: the level attitude on described fuming acid dump tank and ground is higher than the level attitude on vehicle slot tank and ground.
4. fuming sulfuric acid totally enclosed stores bulking system according to claim 1, it is characterized in that: be also provided with pressure valve between described alkali liquor absorption tower and equalizing line.
5. according to claim 1-4 any one, fuming sulfuric acid totally enclosed stores bulking system, it is characterized in that: described NaOH solution circulating pump and fuming acid pump are single-stage centrifugal pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410439897.8A CN105460877A (en) | 2014-08-31 | 2014-08-31 | Totally-sealed fuming sulfuric acid storing and filling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410439897.8A CN105460877A (en) | 2014-08-31 | 2014-08-31 | Totally-sealed fuming sulfuric acid storing and filling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105460877A true CN105460877A (en) | 2016-04-06 |
Family
ID=55599107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410439897.8A Pending CN105460877A (en) | 2014-08-31 | 2014-08-31 | Totally-sealed fuming sulfuric acid storing and filling system |
Country Status (1)
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| CN (1) | CN105460877A (en) |
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| US20030124047A1 (en) * | 2000-07-10 | 2003-07-03 | Hironobu Nishimura | Method and apparatus for producing hydrogen fluoride |
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| CN102887486A (en) * | 2011-07-21 | 2013-01-23 | 天津渤大硫酸工业有限公司 | Refined sulfuric acid absorption tower |
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| CN203359998U (en) * | 2013-06-18 | 2013-12-25 | 天津渤大硫酸工业有限公司 | Acid pump tank |
| CN203683091U (en) * | 2013-11-28 | 2014-07-02 | 安阳市双环助剂有限责任公司 | Loading and unloading storing system of fuming sulphuric acid |
| CN204162405U (en) * | 2014-08-31 | 2015-02-18 | 天津渤大硫酸工业有限公司 | Fuming sulfuric acid totally enclosed stores bulking system |
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2014
- 2014-08-31 CN CN201410439897.8A patent/CN105460877A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030124047A1 (en) * | 2000-07-10 | 2003-07-03 | Hironobu Nishimura | Method and apparatus for producing hydrogen fluoride |
| CN101353149B (en) * | 2007-07-24 | 2012-06-13 | 沈阳铝镁设计研究院有限公司 | Oleum train tanker unloading device and method |
| CN101549845A (en) * | 2009-04-23 | 2009-10-07 | 东营市联成化工有限责任公司 | Acid fog processing device for acid sales places |
| CN202173848U (en) * | 2011-07-21 | 2012-03-28 | 天津渤大硫酸工业有限公司 | Gas-liquid separator for tail gas of sulfuric acid absorption tower |
| CN102886194A (en) * | 2011-07-21 | 2013-01-23 | 天津渤大硫酸工业有限公司 | Sulphur melting odor removing absorbing device |
| CN102887486A (en) * | 2011-07-21 | 2013-01-23 | 天津渤大硫酸工业有限公司 | Refined sulfuric acid absorption tower |
| CN202336288U (en) * | 2011-10-18 | 2012-07-18 | 山东丰元化学股份有限公司 | Waste gas recycling system in industrial oxalic acid production |
| CN203006924U (en) * | 2012-11-01 | 2013-06-19 | 天津渤大硫酸工业有限公司 | Totally-enclosed type filling system of fuming sulphuric acid |
| CN203359997U (en) * | 2013-06-18 | 2013-12-25 | 天津渤大硫酸工业有限公司 | Sulfuric acid production system |
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| CN203683091U (en) * | 2013-11-28 | 2014-07-02 | 安阳市双环助剂有限责任公司 | Loading and unloading storing system of fuming sulphuric acid |
| CN204162405U (en) * | 2014-08-31 | 2015-02-18 | 天津渤大硫酸工业有限公司 | Fuming sulfuric acid totally enclosed stores bulking system |
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Application publication date: 20160406 |