CN102277189B - Aerating device of lock hopper of gasoline adsorption desulfurization - Google Patents
Aerating device of lock hopper of gasoline adsorption desulfurization Download PDFInfo
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- CN102277189B CN102277189B CN 201110191077 CN201110191077A CN102277189B CN 102277189 B CN102277189 B CN 102277189B CN 201110191077 CN201110191077 CN 201110191077 CN 201110191077 A CN201110191077 A CN 201110191077A CN 102277189 B CN102277189 B CN 102277189B
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Abstract
The invention provides a simple and feasible device through carrying out a force analysis on an aeration filter in the lock hopper of a gasoline adsorption desulfurization device (S-Zorb) to find out root causes of failure; on the condition of not changing traditional filtering structure and installation way, the aeration filter can be normally operated, failures comprising falling-off, bending, cracking and the like of the aerating filter are avoided, the service life of the aerating filter is prolonged, adsorbent can be normally transferred and circulating time of the adsorbent is shortened, so that the stable production and product quality are finally guaranteed, the processing amount is improved and the supply of Euro IV standard gasoline in Beijing is guaranteed. The aerating device of the lock hopper of the gasoline adsorption desulfurization provided by the invention has the advantages of simple structure, convenience for manufacturing and installing and obvious effects.
Description
Technical field
The invention belongs to gasoline absorbing desulfurization (S-Zorb) technology, be specifically related to a kind of gasoline absorbing desulfurization (S-Zorb) locking hopper breather.
Background technology
Gasoline absorbing desulfurization (S-Zorb) is production Europe IV gasoline, promotes a kind of Technology of gasoline quality, and this technology utilizes sorbent material to the adsorption of sulfur in gasoline, reach the purpose that reduces sulfur in gasoline, and loss of octane number is very little.Locking hopper (D-106) is one of key equipment of this technology, it is the transhipment station of realization response device and revivifier sorbent circulation, locking hopper is realized the conveying of sorbent material by the switching of the sequencing valve on the sequencing valve on the control sorbent material transfer limes and attached pressurising, the loosening pipeline.For the fluidisation that guarantees the agent of locking hopper internal adsorption and the conveying of sorbent material, 3 ventilation dishes are set in the locking hopper tapering, in regulation step order to inner hydrogen or the nitrogen of feeding of locking hopper.The ventilation dish is high precision filtering element (precision reaches 1.3 microns), discontinuous operation, play loosening, filter, prevent that sorbent material from falling the effect of string.The ventilation dish is installed on the sleeve pipe, in use occurs coming off, faults such as bending, cracking, and sorbent material falls string and advances become flexible in the pipeline, and the agent of locking hopper internal adsorption can't fluidisation, and sorbent material is carried interruption, influences gasoline product quality.
Take to change ventilation dish distribution mode at present both at home and abroad, will be threaded to change into is threaded+welds, improve the intensity of connecting portion, perhaps ventilation dish top increases support, but because ventilation dish stressed complexity in locking hopper, stressed for the intermittent type pulse, ventilation dish indigenous fault can't be solved, the ventilation dish life-span is short, can't take out after the bending, change difficulty, have a strong impact on the smooth running of production and stablizing of quality product.
Summary of the invention
Do not changing under filtering element structure, the mounting means situation, faults such as the ventilation dish comes off in order to avoid, bending, cracking, prolong the life-span of ventilation dish, also guarantee the normal operating conditions of ventilation dish simultaneously, guarantee that sorbent material normally carries, shortens the sorbent circulation time, the final assurance steadily produced and quality product, improve amount of finish, guarantee the supply of Europe IV normal benzene, the present invention proposes a kind of gasoline absorbing desulfurization locking hopper breather, is specially: the ventilation dish adopts the mode that is threaded or welds to be installed on the ventilation dish sleeve pipe; The sheath that the mode that has to weld at ventilation dish sleeve pipe is installed is positioned at the ventilation dish outside; Sheath employing external diameter 78mm, wall thickness are that the stainless-steel pipe of 7mm is made, and length is 130mm, is the through hole of 10mm in the even placement diameter of circumferential direction, and through hole arranges that with equilateral triangle spacing is 20mm; The ventilation dish is installed on the sleeve pipe, and mode of connection is for being threaded, or is threaded and welding combines, and then sheath is installed in the outside of ventilation dish, welds with ventilation dish sleeve pipe; The ventilation dish is installed on the ventilation dish sleeve pipe, and is installed in the tapering of locking hopper as an integral level; Locking hopper is full of sorbent material in the tapering, and hydrogen or nitrogen enter the ventilation dish from outside pipeline, by the ventilation dish, to the locking hopper inner inflatable, plays the effect of aerated flow sorbent material.
Further, the diameter of ventilation dish is 60mm, and the diameter of sleeve pipe is 89mm.
Gasoline absorbing desulfurization (S-Zorb) is the important device of production Europe IV standard or higher standard gasoline, the device of the same type that present China is constructed and put into operation reaches 7 covers, be that Sinopec is given priority to one of project, wherein the sorbent material conveying is the normal steadily key of long-term operation of this device, ventilation dish as the important assurance that guarantees locking hopper sorbent material fluidisation and conveying, its operating performance quality, can be directly connected to production normally carry out.The introducing of sheath guaranteeing ventilation dish functions of use, has outside the aforementioned features, has improved the stressed of ventilation dish, and the environment for use of ventilation dish is improved greatly, and the structure of ventilation dish and rigidity can suitably reduce, and reduce the cost of manufacture of ventilation dish.The jacket structure of inventing is simple, successfully solves ventilation and coils a flimsy difficult problem, along with the popularization of this device, has good promotion prospect and value, and the thought of dealing with problems also is worth using for reference.
Description of drawings
Fig. 1 is ventilation dish installation plan.
Fig. 2 is ventilation dish structural representation.
Fig. 3 is ventilation dish jacket structure figure.
Embodiment
Be described further below in conjunction with accompanying drawing.
Wherein: 1---locking hopper; 2---the ventilation dish; 3---ventilation dish sleeve pipe; 4---sheath; 5---the welding of sheath and sleeve pipe; 6---ventilation dish sleeve pipe; 7---through hole (diameter is φ 10mm).
Referring to Fig. 1.At first the ventilation dish is installed on the sleeve pipe, mode of connection can be threaded, or be threaded+weld (guaranteeing sealing), then sheath is installed in the outside of ventilation dish, weld with ventilation dish sleeve pipe, guarantee the concentricity (diameter of ventilation dish is φ 60mm, and the diameter of sleeve pipe is φ 89mm) of sheath and ventilation dish.Ventilation dish 2 is installed on the sleeve pipe 3, and is installed in the tapering of locking hopper 1 as an integral level, and one has three.Locking hopper is full of sorbent material in the tapering, and hydrogen or nitrogen enter the ventilation dish from outside pipeline, by the ventilation dish, to the locking hopper inner inflatable, plays the effect of aerated flow sorbent material.
Referring to Fig. 2.Ventilation dish 2 is installed on the ventilation dish sleeve pipe 3, adopts the mode that is threaded or welds, and in order to guarantee sealing, preferably adopts welding process.Sheath uses the mode of welding to be installed on the ventilation dish sleeve pipe, and is positioned at the ventilation dish outside just.
Referring to Fig. 3.Sheath 4 adopts external diameter φ 78mm, and wall thickness is that the stainless-steel pipe of 7mm is made, and length is 130mm, evenly arranges φ 10mm through hole at circumferential direction, and through hole arranges that with equilateral triangle spacing is 20mm.
The making of sheath 4: choosing length is 130mm, and specification is the stainless steel tube of φ 78*7mm, layouts in the line of steel pipe circumferential direction, and spacing is 20mm, positive triangle arranges, with telescopic joint end cloth hole not, reserves 50mm, then boring, aperture φ 10mm, chamfering is wanted at the edge in hole, guarantees smooth.
At first ventilation dish 2 is installed on the sleeve pipe (3,6), mode of connection can be threaded, or be threaded+weld (guaranteeing sealing), guarantees the concentricity of ventilation dish and sleeve pipe.
An end of sheath not being arranged through hole inserts along ventilation dish 2, and contacts with ventilation dish sleeve pipe (3,6) end, and this step guarantees that sheath is concentric with ventilation dish and ventilation dish sleeve pipe, and sheath is 2mm with ventilation disc radial gap.With sheath and ventilation dish sleeve pipe welding (Fig. 3 position 5), guarantee complete penetraction and fusion in welding and welding strength then.
The present invention proposes stressed mainly contain of ventilation dish in locking hopper on the stressed basis of analysis ventilation dish in locking hopper:
A) loosening hydrogen or nitrogen moment by the time surging force;
When b) sorbent material falls from locking hopper top to the surging force of ventilation dish;
C) during the blowback of locking hopper strainer gas to the surging force of ventilation dish;
When d) the loosening gas of locking hopper feeds to the surging force of ventilation dish;
E) absorbent particles is to the frictional force of ventilation dish.
Simple in structure.Do not change under the situation of original filtering element structure and mode of connection, increase a sheath in the outside, sheath is made simple, processes with the moulding stainless steel tube, sheath is welded on the sleeve pipe to get final product then.
Do not influence the function of ventilation dish.The function that sorbent material falls to go here and there of becoming flexible, filter, prevent of ventilation dish is not affected, and by the aperture on the adjustment sheath and the gap of distribution and sheath and ventilation dish, guarantees the stable of loosening air-flow.
Improve the stressed of ventilation dish.The sorbent material that the ventilation dish bears washes away, the surging force of the loosening gas of wearing and tearing and locking hopper bottom is mainly born by sheath, avoids the overwear vt. of ventilation dish, prolongs the life-span of ventilation dish, because sheath has enough rigidity, can extract out smoothly and change during maintenance.
The above only is a preferred embodiments of the present invention, and the interest field that the present invention advocates is not limited thereto.The present invention also can have other various embodiments, and under the situation that does not deviate from spirit of the present invention and essence thereof, those skilled in the art be when can making various corresponding changes and distortion according to the present invention, but that these changes and distortion all should belong to the present invention is appended
The protection domain of claim.
Claims (2)
1. a gasoline absorbing desulfurization locking hopper breather is characterized in that, the ventilation dish is installed on the ventilation dish sleeve pipe, and is installed in the tapering of locking hopper as an integral level; The ventilation dish adopts the mode that is threaded or welds to be installed on the ventilation dish sleeve pipe; The sheath that the mode that has to weld at ventilation dish sleeve pipe is installed is positioned at the ventilation dish outside; Sheath employing external diameter 78mm, wall thickness are that the stainless-steel pipe of 7mm is made, and length is 130mm, is the through hole of 10mm in the even placement diameter of circumferential direction, and through hole arranges that with equilateral triangle spacing is 20mm.
2. gasoline absorbing desulfurization locking hopper breather according to claim 1, the diameter of ventilation dish is 60mm, the diameter of sleeve pipe is 89mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110191077 CN102277189B (en) | 2011-07-08 | 2011-07-08 | Aerating device of lock hopper of gasoline adsorption desulfurization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110191077 CN102277189B (en) | 2011-07-08 | 2011-07-08 | Aerating device of lock hopper of gasoline adsorption desulfurization |
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| Publication Number | Publication Date |
|---|---|
| CN102277189A CN102277189A (en) | 2011-12-14 |
| CN102277189B true CN102277189B (en) | 2013-09-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110191077 Active CN102277189B (en) | 2011-07-08 | 2011-07-08 | Aerating device of lock hopper of gasoline adsorption desulfurization |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7172685B2 (en) * | 2002-04-11 | 2007-02-06 | Conocophillips Company | Desulfurization system with novel sorbent transfer mechanism |
| CN101558138A (en) * | 2006-11-22 | 2009-10-14 | 中国石油化工股份有限公司 | Improved desulfurization process |
-
2011
- 2011-07-08 CN CN 201110191077 patent/CN102277189B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7172685B2 (en) * | 2002-04-11 | 2007-02-06 | Conocophillips Company | Desulfurization system with novel sorbent transfer mechanism |
| CN101558138A (en) * | 2006-11-22 | 2009-10-14 | 中国石油化工股份有限公司 | Improved desulfurization process |
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|---|---|
| CN102277189A (en) | 2011-12-14 |
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