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CN203727987U - Normal and reverse liquid-sealed novel breather applied to tops of large storage tanks - Google Patents

Normal and reverse liquid-sealed novel breather applied to tops of large storage tanks Download PDF

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Publication number
CN203727987U
CN203727987U CN201420088949.7U CN201420088949U CN203727987U CN 203727987 U CN203727987 U CN 203727987U CN 201420088949 U CN201420088949 U CN 201420088949U CN 203727987 U CN203727987 U CN 203727987U
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CN
China
Prior art keywords
fluid
tight
contrary
pipe
tank
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Expired - Lifetime
Application number
CN201420088949.7U
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Chinese (zh)
Inventor
包晓跃
裘炎
徐海霞
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Zhejiang Titan Design & Engineering Co Ltd
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Zhejiang Titan Design & Engineering Co Ltd
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Priority to CN201420088949.7U priority Critical patent/CN203727987U/en
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Abstract

The utility model belongs to the technical field of sanitary production and circulation equipment and relates to a normal and reverse liquid-sealed novel breather applied to tops of large storage tanks. The normal and reverse liquid-sealed novel breather comprises a breather cylinder; the inside of the breather cylinder is divided into a normal liquid-sealed chamber and a reverse liquid-sealed chamber by a partition plate; the two chambers are communicated with each other through a reverse liquid-seal inflow pipe; an intra-tank expelled waste gas incoming pipe is disposed in the normal liquid-sealed chamber; a clean air incoming pipe is disposed in the reverse liquid-sealed chamber; the bottom of the intra-tank expelled waste gas incoming pipe and the bottom of the clean air incoming pipe both leads to the inside of a material storage tank; the normal liquid-sealed chamber is further provided with a liquid-seal absorption liquid incoming pipe, a normal liquid-seal segment liquid-seal drainage pipe, and a breather-air communicating pipe; the reverse liquid-sealed chamber is further provided with a reverse liquid-seal segment overflow pipe orifice and a reverse liquid-seal segment liquid-seal drain pipe. The normal and reverse liquid-sealed novel breather applied to tops of large storage tanks has the advantages that the design is reasonable, the structure is simple, treatment is effective and no environmental pollution is caused; concentration of tank-discharged waste gas can be well decreased, water in the air entering the tank from outside can be well removed, the gas can come in and out of the tanks smoothly, and the breather is safe and practical.

Description

The just contrary fluid-tight Novel respirator of large-scale storage tank tank deck
Technical field
The utility model belongs to cleaner production and circulation equipment technical field, particularly relates to for the protection of large-scale storage tank equipment, reduces material in reservoir walls burn into protective pot and be not subject to large-scale storage tank tank deck that water in air part affects, simplifies storage-tank waste gas treatment facility flow process and minimizing equipment investment in the past just against fluid-tight Novel respirator.
Background technology
In the design of large-scale storage tank, according to the characteristic of material, tank deck breathing valve need to be set, during along with ambient temperature rising or storage tank charging, the gas phase compression of tank level rising upper strata, when its pressure reaches the specified exhalation pressure of breathing valve, in tank, the steam of liquid phase could be discharged, if do not processed blow down gas by contaminated environment.During equally along with ambient temperature reduction or storage tank discharging, when in tank, degree of vacuum reaches negative suction, air will enter; Along with the turnover of variation of ambient temperature and storage tank material, tank deck gas " one exhales " " one inhales ", storage-tank waste gas enters in tank in material entering moisture in atmospheric contamination environment or atmosphere thereupon, and some water suction materials suck that moisture storage tank material in atmosphere is diluted or rotten as ethylene glycol, Dimethyl fomamide, fuming sulfuric acid etc. thereupon; As fuming sulfuric acid forms the service life that diluted acid layer corrosion tank inwall reduces storage tank on tank upper strata, diluted acid produces hydrogen at the passivating film of the tank internal sabotage concentrated sulphuric acid and carbon steel formation, forms potential safety hazard.
For this reason, many enterprises adopt at tank deck and nitrogen envelope system are set or adopt pipeline to be drawn and be connected to the ad hoc waste gas absorption tower in ground by tank deck tank deck waste gas, absorption liquid after absorption adopts circulation pump circulation, and the waste gas after treatment again induced draft fan behind absorption tower enters atmosphere.Unified reclaim this, though to focus on tail gas method feasible, exists treatment scheme complexity, one-time investment and operating cost high, the restrictions such as floor area is large, tank field duct arrangement complexity, also need to adopt different absorption liquids for different waste gas.
Therefore, develop a kind of simple and practical just contrary fluid-tight Novel respirator that large-scale storage tank tank deck uses that is applicable to, become storage sector and be badly in need of the problem of considering.
Utility model content
For the above-mentioned problems in the prior art, the purpose of this utility model be to provide a kind of reasonable in design, treatment effect good, can reduce the just contrary fluid-tight Novel respirator of practical large-scale storage tank tank deck of large-scale storage tank tank deck exhaust emission.
The just contrary fluid-tight Novel respirator of described large-scale storage tank tank deck, comprise respirator cylindrical shell, it is characterized in that described respirator cylindrical shell middle part horizontally set division board, respirator cylindrical shell inside is divided into positive fluid-tight chamber and contrary fluid-tight chamber by division board up and down, between positive fluid-tight chamber and contrary fluid-tight chamber, communicate by contrary fluid-tight feed tube, the indoor interior exhalation waste gas of tank that arranges of positive fluid-tight enters pipe, the contrary indoor pure air that arranges of fluid-tight enters pipe, in tank, exhalation waste gas enters pipe, pure air enters pipe bottom and all passes in material storage tank, positive fluid-tight is also provided with fluid-tight absorption liquid feed pipe on chamber, positive fluid-tight section fluid-tight emptying pipe and respirator and atmospheric communicating pipe, on contrary fluid-tight chamber, be also provided with the contrary fluid-tight section overflow mouth of pipe and contrary fluid-tight section fluid-tight emptying pipe.
The just contrary fluid-tight Novel respirator of described large-scale storage tank tank deck, is characterized in that described respirator cylindrical shell bottom arranges installation leg, and described installation leg is arranged on material storage tank tank deck.
The just contrary fluid-tight Novel respirator of described large-scale storage tank tank deck, is characterized in that described positive fluid-tight chamber and the contrary indoor fluid-tight absorption liquid that all arranges of fluid-tight, and the indoor fluid-tight absorption liquid height of positive fluid-tight is with equal against fluid-tight feed tube upper orifice.
The just contrary fluid-tight Novel respirator of described large-scale storage tank tank deck, it is characterized in that it is inverted U structure that the interior exhalation waste gas of described tank enters pipe top, exhalation waste gas enters in the fluid-tight absorption liquid that pipe upper orifice stretches into positive fluid-tight chamber in tank, forms the bubble absorption section of waste pipe in positive fluid-tight section with fluid-tight absorption liquid diff-H.
The just contrary fluid-tight Novel respirator of described large-scale storage tank tank deck, it is characterized in that the indoor fluid-tight absorption liquid height of described contrary fluid-tight is equal with the contrary fluid-tight section overflow mouth of pipe, described pure air enters the height of pipe higher than this fluid-tight absorption liquid height, and the diff-H that pure air enters between pipe and fluid-tight absorption liquid height forms contrary fluid-tight air inlet every liquid section.
The just contrary fluid-tight Novel respirator of described large-scale storage tank tank deck, it is characterized in that described contrary fluid-tight feed tube lower nozzle is lower than the contrary indoor fluid-tight absorption liquid height of fluid-tight, the diff-H between fluid-tight absorption liquid height and contrary fluid-tight feed tube lower nozzle forms contrary fluid-tight intake negative-pressure pipeline section.
The utility model is by adopting above-mentioned technology, avoid use tank deck nitrogen envelope system, the waste gas of tank deck discharge directly obtains by respirator processing of the present utility model, reduced tank deck discharging waste gas concentration, reduced the investment of exhaust pipeline access washing absorption tower and absorption liquid circulation pump; And its adopts just contrary fluid-tight version to solve the caused storage tank of general conventional breathing valve fault to inhale the potential safety hazard of suppressing; Medium in respirator can adopt different fluid-tight media according to the storage material in storage tank, and as material in the tank of water, machinery oil or large-scale storage tank etc., wide adaptability, and simple in structure, easy for installation, low equipment investment, be suitable for applying.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
In figure: 1-respirator cylindrical shell, the positive fluid-tight of 2-chamber, 3-is against fluid-tight chamber, 4-division board, in 5-tank, exhalation waste gas enters pipe, 6-bubble absorption section, 7-respirator and atmospheric communicating pipe, 8-is against fluid-tight feed tube, and 9-is against fluid-tight intake negative-pressure pipeline section, 10-is against fluid-tight air inlet every liquid section, and 11-pure air enters pipe, 12-fluid-tight absorption liquid feed pipe, the positive fluid-tight section of 13-fluid-tight emptying pipe, 14-is against the fluid-tight section overflow mouth of pipe, and 15-is against fluid-tight section fluid-tight emptying pipe, 16-installs leg, 17-material storage tank tank deck; H1-exhalation waste gas enters pipe upper orifice and fluid-tight absorption liquid diff-H, the diff-H between h2-fluid-tight absorption liquid and contrary fluid-tight feed tube lower nozzle, and h3-pure air enters the diff-H between pipe and fluid-tight absorption liquid height.
Detailed description of the invention
Below in conjunction with Figure of description, the utility model will be further described:
As shown in Figure 1, the just contrary fluid-tight Novel respirator of large-scale storage tank tank deck of the present utility model, with just contrary fluid-tight function, in its inner structure, divide by the division board 4 that is horizontally installed on respirator cylindrical shell 1 middle part and be divided into positive fluid-tight chamber 2 and contrary fluid-tight chamber 3, positive fluid-tight chamber 2 and the contrary fluid-tight chamber 3 interior fluid-tight absorption liquids that are equipped with respectively, positive fluid-tight chamber 2 has positive fluid-tight function, contrary fluid-tight chamber 3 has contrary fluid-tight function, the interior interior exhalation waste gas of tank that arranges in positive fluid-tight chamber 2 enters pipe 5, the interior pure air that arranges in contrary fluid-tight chamber 3 enters pipe 11, in tank, exhalation waste gas enters pipe 5, pure air enters pipe 11 bottoms and all passes in material storage tank, on positive fluid-tight chamber 2, be also provided with fluid-tight absorption liquid feed pipe 12, positive fluid-tight section fluid-tight emptying pipe 13 and respirator and atmospheric communicating pipe 7, on contrary fluid-tight chamber 3, be also provided with the contrary fluid-tight section overflow mouth of pipe 14 and contrary fluid-tight section fluid-tight emptying pipe 15, between positive fluid-tight chamber 2 and contrary fluid-tight chamber 3, communicate by contrary fluid-tight feed tube 8, fluid-tight absorption liquid height in positive fluid-tight chamber 2 is equal with contrary fluid-tight feed tube 8 upper orifices, fluid-tight absorption liquid height in contrary fluid-tight chamber 3 is equal with the contrary fluid-tight section overflow mouth of pipe 14, it is inverted U structure that the interior exhalation waste gas of described tank enters pipe 5 tops, the interior exhalation waste gas of tank enters pipe 5 upper orifices and stretches in the fluid-tight absorption liquid of positive fluid-tight chamber 2, forms the bubble absorption section 6 of waste pipe in positive fluid-tight section with fluid-tight absorption liquid diff-H h1, contrary fluid-tight feed tube 8 lower nozzles are lower than the fluid-tight absorption liquid height in contrary fluid-tight chamber 3, and the diff-H h2 between fluid-tight absorption liquid height and contrary fluid-tight feed tube 8 lower nozzles forms contrary fluid-tight intake negative-pressure pipeline section 9, described pure air enters the height of pipe 11 higher than this fluid-tight absorption liquid height, and the diff-H h3 that pure air enters between pipe 11 and fluid-tight absorption liquid height forms contrary fluid-tight air inlet every liquid section 10.
As shown in the figure, the utility model arranges in respirator cylindrical shell 1 bottom installs leg 16, and described installation leg 16 is arranged on material storage tank tank deck 17.
When the utility model uses, medium in respirator body 1 can adopt different fluid-tight media according to the storage material in storage tank, as material in the tank of water, machinery oil or large-scale storage tank etc., wide adaptability, the storage tank waste gas of breathing out in the tank of waste gas by positive fluid-tight chamber, Novel respirator upper strata 2 in material enters in tank process the tank of discharge enters pipe 5 and enters positive fluid-tight chamber 2, bubble absorption section 6 in positive fluid-tight section is carried out bubbling, carry out purifying treatment by fluid-tight absorption liquid, be purified waste gas after treatment and enter atmosphere by respirator and atmospheric communicating pipe 7 again; Simultaneously, in storage tank discharging process, the air sucking from atmosphere enters contrary fluid-tight chamber 3 through respirator and atmospheric communicating pipe 7, contrary fluid-tight feed tube 8 successively, after contrary fluid-tight, obtain pure air, this pure air enters pipe 11 through pure air and enters storage tank, thereby makes tank outer air pure air after contrary fluid-tight absorbs moisture enter storage tank.
Above forward and inverse fluid-tight structure guarantee discharge side is discharged in tank waste gas not atmosphere pollution, again can play the outer moisture content air of tank and enter storage tank liquid level before moisture removed; in protective pot, material is not subject to moisture dilution or corrodes; it has the features such as reasonable in design, construction is simple, treatment effect good, environmentally safe, can be good at reducing storage tank discharging waste gas concentration, removes tank and enter airborne moisture in tank outward, guarantee that the passage of storage tank input and output gas is unimpeded, safe and practical.

Claims (6)

1. the just contrary fluid-tight Novel respirator of large-scale storage tank tank deck, comprise respirator cylindrical shell (1), it is characterized in that described respirator cylindrical shell (1) middle part horizontally set division board (4), respirator cylindrical shell (1) inside is divided into positive fluid-tight chamber (2) and contrary fluid-tight chamber (3) by division board (4) up and down, between positive fluid-tight chamber (2) and contrary fluid-tight chamber (3), communicate by contrary fluid-tight feed tube (8), exhalation waste gas in tank is set in positive fluid-tight chamber (2) and enters pipe (5), in contrary fluid-tight chamber (3), pure air is set and enters pipe (11), in tank, exhalation waste gas enters pipe (5), pure air enters pipe (11) bottom and all passes in material storage tank, on positive fluid-tight chamber (2), be also provided with fluid-tight absorption liquid feed pipe (12), positive fluid-tight section fluid-tight emptying pipe (13) and respirator and atmospheric communicating pipe (7), on contrary fluid-tight chamber (3), be also provided with the contrary fluid-tight section overflow mouth of pipe (14) and contrary fluid-tight section fluid-tight emptying pipe (15).
2. the just contrary fluid-tight Novel respirator of large-scale storage tank tank deck according to claim 1, is characterized in that described respirator cylindrical shell (1) bottom arranges installation leg (16), and described installation leg (16) is arranged on material storage tank tank deck (17).
3. the just contrary fluid-tight Novel respirator of large-scale storage tank tank deck according to claim 1, it is characterized in that, in described positive fluid-tight chamber (2) and contrary fluid-tight chamber (3), fluid-tight absorption liquid is all set, the fluid-tight absorption liquid height in positive fluid-tight chamber (2) is equal with contrary fluid-tight feed tube (8) upper orifice.
4. the just contrary fluid-tight Novel respirator of large-scale storage tank tank deck according to claim 3, it is characterized in that it is inverted U structure that the interior exhalation waste gas of described tank enters pipe (5) top, the interior exhalation waste gas of tank enters pipe (5) upper orifice and stretches in the fluid-tight absorption liquid of positive fluid-tight chamber (2), forms the bubble absorption section (6) of waste pipe in positive fluid-tight section with fluid-tight absorption liquid diff-H.
5. the just contrary fluid-tight Novel respirator of large-scale storage tank tank deck according to claim 3, it is characterized in that the fluid-tight absorption liquid height in described contrary fluid-tight chamber (3) is equal with the contrary fluid-tight section overflow mouth of pipe (14), described pure air enters the height of pipe (11) higher than this fluid-tight absorption liquid height, and the diff-H that pure air enters between pipe (11) and fluid-tight absorption liquid height forms contrary fluid-tight air inlet every liquid section (10).
6. the just contrary fluid-tight Novel respirator of large-scale storage tank tank deck according to claim 5, it is characterized in that described contrary fluid-tight feed tube (8) lower nozzle is lower than the fluid-tight absorption liquid height in contrary fluid-tight chamber (3), the diff-H between fluid-tight absorption liquid height and contrary fluid-tight feed tube (8) lower nozzle forms contrary fluid-tight intake negative-pressure pipeline section (9).
CN201420088949.7U 2014-02-28 2014-02-28 Normal and reverse liquid-sealed novel breather applied to tops of large storage tanks Expired - Lifetime CN203727987U (en)

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Application Number Priority Date Filing Date Title
CN201420088949.7U CN203727987U (en) 2014-02-28 2014-02-28 Normal and reverse liquid-sealed novel breather applied to tops of large storage tanks

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420088949.7U CN203727987U (en) 2014-02-28 2014-02-28 Normal and reverse liquid-sealed novel breather applied to tops of large storage tanks

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109279669A (en) * 2018-09-26 2019-01-29 高频美特利环境科技(北京)有限公司 Liquid seal device
CN110203573A (en) * 2018-02-28 2019-09-06 中石化广州工程有限公司 A kind of collection system and method for oil product storage tank volatile organic matter
CN110614016A (en) * 2019-09-25 2019-12-27 安徽国能亿盛环保科技有限公司 Desulfurization and denitrification tower capable of preventing waste gas from flowing back
CN111674753A (en) * 2020-06-25 2020-09-18 宁满帅 Oil storage tank liquid seal mechanical seal double-seal integrated environment-friendly breathing device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110203573A (en) * 2018-02-28 2019-09-06 中石化广州工程有限公司 A kind of collection system and method for oil product storage tank volatile organic matter
CN110203573B (en) * 2018-02-28 2020-09-08 中石化广州工程有限公司 Method for collecting volatile organic compounds of oil product storage tank
CN109279669A (en) * 2018-09-26 2019-01-29 高频美特利环境科技(北京)有限公司 Liquid seal device
CN110614016A (en) * 2019-09-25 2019-12-27 安徽国能亿盛环保科技有限公司 Desulfurization and denitrification tower capable of preventing waste gas from flowing back
CN111674753A (en) * 2020-06-25 2020-09-18 宁满帅 Oil storage tank liquid seal mechanical seal double-seal integrated environment-friendly breathing device

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Granted publication date: 20140723