CN108003953A - molecular sieve dehydration device for natural gas - Google Patents

molecular sieve dehydration device for natural gas Download PDF

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Publication number
CN108003953A
CN108003953A CN201711288339.6A CN201711288339A CN108003953A CN 108003953 A CN108003953 A CN 108003953A CN 201711288339 A CN201711288339 A CN 201711288339A CN 108003953 A CN108003953 A CN 108003953A
Authority
CN
China
Prior art keywords
web plate
sleeve
support web
housing
wall
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201711288339.6A
Other languages
Chinese (zh)
Inventor
刘敏
陈斯
陈志国
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SICHUAN KEBITE OIL GAS ENGINEERING Co Ltd
Original Assignee
SICHUAN KEBITE OIL GAS ENGINEERING Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SICHUAN KEBITE OIL GAS ENGINEERING Co Ltd filed Critical SICHUAN KEBITE OIL GAS ENGINEERING Co Ltd
Priority to CN201711288339.6A priority Critical patent/CN108003953A/en
Publication of CN108003953A publication Critical patent/CN108003953A/en
Pending legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10LFUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L3/00Gaseous fuels; Natural gas; Synthetic natural gas obtained by processes not covered by subclass C10G, C10K; Liquefied petroleum gas
    • C10L3/06Natural gas; Synthetic natural gas obtained by processes not covered by C10G, C10K3/02 or C10K3/04
    • C10L3/10Working-up natural gas or synthetic natural gas
    • C10L3/101Removal of contaminants
    • C10L3/106Removal of contaminants of water
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/02Separation 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
    • B01D53/04Separation 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 with stationary adsorbents
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2253/00Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/10Inorganic adsorbents
    • B01D2253/106Silica or silicates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Drying Of Gases (AREA)

Abstract

The invention discloses the molecular sieve dehydration device for natural gas, the first support web plate and the second support web plate are equipped with housing, first support web plate and the second support web plate offer installation through-hole, and the first support web plate and second support the upper face of web plate to be equipped with threaded coupling sleeve;Installation sleeve is installed on the first support web plate and the second support web plate by being threadedly coupled with threaded coupling sleeve, center sleeve by housing top insertion housing in after stretch into installation sleeve to first support web plate lower face and housing inner bottom wall between cavity in, connected between the outer wall of center sleeve and the inner wall of installation sleeve by rubber seal rings for seal;The axial top of center sleeve is equipped with electric heater, and the electric heating tube of electric heater is stretched into the center sleeve in housing, and the axial side wall that center sleeve is located at outside housing is equipped with air inlet.The present invention can effectively avoid electric heating tube and expand with heat and contract with cold effect to supporting web plate and housing to cause to damage.

Description

Molecular sieve dehydration device for natural gas
Technical field
The present invention relates to oil vapor treatment technical field, and in particular to the molecular sieve dehydration device for natural gas.
Background technology
Since the presence of liquid water in natural gas will seriously affect the safety of automobile and gas station, therefore, it is necessary to day Right gas is carried out dehydrating, and the natural gas after dehydration is met safety standard.Existing internal heat type natural gas molecule sieve is de- Central tube, support web plate and the case weld of water installations together, replace in change since molecular sieve is adsorbed with regenerated, in The effect of expanding with heat and contract with cold of heart pipe can produce alternate stress to support web plate and/or housing, be easily damaged the internal heat type natural gas Molecular sieve dehydration device, so as to reduce the service life of the internal heat type natural gas molecular sieve dehydrating device.
The content of the invention
The technical problems to be solved by the invention are the effects of expanding with heat and contract with cold of the central tube of existing molecular sieve dehydration device Adaptability to changes can be produced to support web plate and shell structure, easily cause molecular sieve dehydration device damage, reduce the service life, purpose exists In providing the molecular sieve dehydration device for natural gas, it can effectively avoid electric heating tube and expand with heat and contract with cold effect to support web plate and shell Body causes to damage.
The present invention is achieved through the following technical solutions:
For the molecular sieve dehydration device of natural gas, including vertical tubular shell, set in the housing close to axial direction bottom There is the first support web plate, being equipped with second close to axial top in the housing supports web plate, the first support web plate and second The circle centre position of support web plate offers installation through-hole, and ring center on the upper face of the first support web plate and the second support web plate Place is convexly equipped with threaded coupling sleeve;Installation sleeve and center sleeve are further included, outside the axial top and bottom of the installation sleeve The external screw thread being adapted to the threaded coupling sleeve is equipped with side wall, installation sleeve with threaded coupling sleeve by being threadedly coupled On the first support web plate and the second support web plate, the upper face of the first support web plate, the lower face of the second support web plate It is used to accommodate molecular sieve in cavity between the outer wall of installation sleeve;The center sleeve is by the top insertion housing of housing Stretch into afterwards in the interior cavity between the lower face of the first support web plate and housing inner bottom wall of installation sleeve, and the side of center sleeve Wall is equipped with some rubber seal, is connected between the outer wall of center sleeve and the inner wall of installation sleeve by rubber seal rings for seal Connect;The center sleeve is equipped with electricity and adds axially adjacent to the connection of the top of top side wall and housing, the axial top of center sleeve Hot device, the electric heating tube of the electric heater is stretched into the center sleeve in housing, and the outer wall of electric heating tube and center Clearance fit between the inner wall of casing;The axial side wall that center sleeve is located at outside housing is equipped with air inlet.
Operation principle of the present invention is:First by setting center sleeve structure to be used to accommodate electric heating tube, due to electrical heating Clearance fit between pipe and center sleeve, electric heating tube expand with heat and contract with cold to center sleeve and the first support web plate, the second support Web plate and shell structure will not produce harmful effect;Due to the heat effect of electric heating tube, certain heat is produced to center sleeve Swollen shrinkage effect, due to center sleeve in housing be arranged on installation casing in, center sleeve with first support web plate, second Support web plate and housing directly contact, and are contacted between center sleeve outer wall and installation internal surface of sleeve pipe by rubber seal, rubber is close While sealing gas is played the role of in seal, by its elastic acting force, the expanding with heat and contract with cold to peace of center sleeve can be effectively extenuated The influence of tubing, and then effectively avoid the influence to the first support web plate, the second support web plate and housing.
Preferably, mounting blocks are circumferentially equipped with the side wall of the center sleeve, the side wall of the mounting blocks is circumferentially Be equipped with limiting slot, be additionally provided with threaded hole on mounting blocks, the axis direction of the threaded hole it is vertical with limiting slot extending direction and Threaded hole runs through the limiting slot;The rubber seal be set on mounting hole and radial direction one end insertion limiting slot in it is close Rubber ring installation is sealed, by the threaded hole on bolt-through mounting blocks and the rubber seal in embedded limiting slot by rubber seal Circle is fixed on mounting blocks;The internal wall transitions that the rubber seal is located at part and installation sleeve outside limiting slot coordinate compression It is fixed.
Rubber seal is removably mounted on center sleeve outer wall by mounting blocks, limiting slot, threaded hole and bolt, On the one hand being expanded with heat and contract with cold due to rubber seal easily reduces its elastic performance and sealing performance, is torn open easy to staff Replacement operation is filled, on the other hand rubber seal is bolted on center sleeve outer wall, prevents rubber seal from moving Position, influences its sealing effect.
Preferably, the card slot being adapted to the rubber seal is circumferentially equipped with the inner wall of the installation sleeve.
By setting card slot on installation sleeve inner wall, beneficial to rubber seal, position is consolidated in installation sleeve axial direction It is fixed.
Preferably, the top of the housing is open, further includes head cover, the head cover is covered in shell by joint seal of flanges The open end of body.
The top of housing is open, and head cover is detachably secured to by housing open-mouth, easy disassembly installation using flange Tube-in-tube structure, and filling molecular sieve filling.Filler filler can be set on the second support web plate, be fixed by installation sleeve After the first support web plate and the second support web plate, filling material operation is carried out.
Preferably, through hole is offered on the head cover, the center sleeve is stretched into housing through the through hole;And center The side wall of casing is connected with through hole by sealing flange.
Center sleeve is removably mounted on the through hole of head cover by flange, operation easy to disassemble.
Preferably, the radial distance of side wall to the installation through-hole inner wall of the first support web plate is more than the second support web plate Side wall to installation through-hole inner wall radial distance.
Installation sleeve axial direction bottom is supported easy to the first support web plate, beneficial to the firm fixation of installation sleeve.
Compared with prior art, the present invention have the following advantages and advantages:
1st, the present invention is used for the molecular sieve dehydration device of natural gas, and operation principle of the present invention is:First by setting center Sleeve structure is used to accommodate electric heating tube, and due to clearance fit between electric heating tube and center sleeve, the heat expansion of electric heating tube is cold Contracting will not produce harmful effect to center sleeve and the first support web plate, the second support web plate and shell structure;Since electricity adds The heat effect of heat pipe, produces center sleeve certain effect of expanding with heat and contract with cold, since center sleeve is arranged on installation set in housing In pipe, center sleeve does not contact directly with the first support web plate, the second support web plate and housing, center sleeve outer wall and installation set Contacted between inside pipe wall by rubber seal, while rubber seal plays the role of sealing gas, pass through its elastic reaction Power, can effectively extenuate the influence expanded with heat and contract with cold to installing casing of center sleeve, and then effectively avoid to the first support web plate, the The influence of two support web plates and housing;
2nd, the present invention is used for the molecular sieve dehydration device of natural gas, and rubber seal is passed through mounting blocks, limiting slot, screw thread Hole and bolt are removably mounted on center sleeve outer wall, and on the one hand being expanded with heat and contract with cold due to rubber seal easily reduces its elasticity Performance and sealing performance, therefore operated easy to staff's disassembling, assembling and replacing, on the other hand rubber seal is bolted On center sleeve outer wall, prevent rubber seal from shifting, influence its sealing effect.By setting card on installation sleeve inner wall Groove, beneficial to the fixation of rubber seal position in installation sleeve axial direction;
3rd, the present invention is used for the molecular sieve dehydration device of natural gas, and the top of housing is open, and uses flange by head cover It is detachably secured to housing open-mouth, easy disassembly installation sleeve structure, and filling molecular sieve filling.Can be in the second supporting network Filler filler is set on plate, after installation sleeve to be fixed on to the first support web plate and the second support web plate, carries out filling material Operation.
Brief description of the drawings
Attached drawing described herein is used for providing further understanding the embodiment of the present invention, forms one of the application Point, do not form the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 faces cross section structure schematic diagram for the present invention is overall;
Fig. 2 installs partial structural diagram for rubber seal of the present invention.
Mark and corresponding parts title in attached drawing:1- housings, 2- first support web plate, and 3- second supports web plate, 4- Threaded coupling sleeve, 5- installation sleeves, 6- center sleeves, 10- rubber seal, 7- electric heaters, 8- electric heating tubes, 9- air inlets Mouth, 10- rubber seal, 11- mounting blocks, 12- limiting slots, 13- threaded holes, 14- bolts, 15- card slots, 16- head covers, 17- are close Seal flange, 18- molecular sieves.
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, with reference to embodiment and attached drawing, to this Invention is described in further detail, and exemplary embodiment of the invention and its explanation are only used for explaining the present invention, do not make For limitation of the invention.
Embodiment 1
As depicted in figs. 1 and 2, the present invention is used for the molecular sieve dehydration device of natural gas, including vertical tubular shell 1, institute State in housing 1 and be equipped with the first support web plate 2 close to axial direction bottom, close axial top is equipped with the second supporting network in the housing 1 Plate 3, the first support web plate 2 and second support the circle centre position of web plate 3 to offer installation through-hole, and the first support web plate 2 Threaded coupling sleeve 4 is convexly equipped with ring center with the upper face of the second support web plate 3;Further include installation sleeve 5 and center Pipe 6, is equipped with the outer spiral shell being adapted to the threaded coupling sleeve 4 on the axial top of the installation sleeve 5 and Basolateral wall Line, installation sleeve 5 are installed on the first support support web plate 3 of web plate 2 and second by being threadedly coupled with threaded coupling sleeve 4, It is used in cavity between the outer wall of the upper face of first support web plate 2, the lower face of the second support web plate 3 and installation sleeve 5 Accommodate molecular sieve 18;The center sleeve 6 is stretched into installation sleeve 5 after being inserted into by the top of housing 1 in housing 1 to the first support In cavity between 1 inner bottom wall of lower face and housing of web plate 2, and the side wall of center sleeve 6 is equipped with some rubber seal 10, it is tightly connected between the outer wall of center sleeve 6 and the inner wall of installation sleeve 5 by rubber seal 10;The center sleeve 6 Be connected axially adjacent to top side wall with the top of housing 1, the axial top of center sleeve 6 is equipped with electric heater 7, and the electricity adds The electric heating tube 8 of hot device 7 is stretched into the center sleeve 6 in housing 1, and the outer wall of electric heating tube 8 and center sleeve 6 is interior Clearance fit between wall;The axial side wall that center sleeve 6 is located at outside housing 1 is equipped with air inlet 9.
Embodiment 2
Further improved on the basis of embodiment 1, mounting blocks are circumferentially equipped with the side wall of the center sleeve 6 11, the side wall of the mounting blocks 11 is circumferentially equipped with limiting slot 12, and threaded hole 13, the threaded hole are additionally provided with mounting blocks 9 13 axis direction is vertical with 12 extending direction of limiting slot and threaded hole 13 runs through the limiting slot 12;The rubber seal 10 be set on mounting hole 11 and radial direction one end insertion limiting slot 12 interior sealing rubber ring installation, by bolt 14 through peace Rubber seal 10 is fixed on mounting blocks 11 by the rubber seal 10 in threaded hole 13 and embedded limiting slot 12 on dress block 11 On;The internal wall transitions cooperation that the rubber seal 10 is located at the part and installation sleeve 5 outside limiting slot 12 is fixed.It is described The card slot 15 being adapted to the rubber seal 10 is circumferentially equipped with the inner wall of installation sleeve 5.
Embodiment 3
Further improved on the basis of embodiment 2, the top of the housing 1 is open, further includes head cover 16, the head cover 16 are covered in the open end of housing 1 by joint seal of flanges.Through hole is offered on the head cover 16, the center sleeve 6 passes through The through hole is worn to stretch into housing 1;And the side wall of center sleeve 6 is connected with through hole by sealing flange 17.Described first The radial distance for supportting side wall to the installation through-hole inner wall of web plate 2 is more than the side wall of the second support web plate 3 to installation through-hole inner wall Radial distance.
Above-described embodiment, has carried out the purpose of the present invention, technical solution and beneficial effect further Describe in detail, it should be understood that the foregoing is merely the embodiment of the present invention, be not intended to limit the present invention Protection domain, within the spirit and principles of the invention, any modification, equivalent substitution, improvement and etc. done, should all include Within protection scope of the present invention.

Claims (6)

1. for the molecular sieve dehydration device of natural gas, including vertical tubular shell (1), it is characterised in that in the housing (1) The first support web plate (2) is equipped with close to axial direction bottom, close axial top is equipped with the second support web plate (3) in the housing (1), The circle centre position of the first support web plate (2) and the second support web plate (3) offers installation through-hole, and the first support web plate (2) and on the upper face of the second support web plate (3) it is convexly equipped with threaded coupling sleeve (4) at ring center;Further include installation sleeve (5) With center sleeve (6), it is equipped with and the threaded coupling sleeve on the axial top of the installation sleeve (5) and Basolateral wall (4) external screw thread of adaptation, installation sleeve (5) are installed on the first support web plate (2) by being threadedly coupled with threaded coupling sleeve (4) On the second support web plate (3), the upper face of the first support web plate (2), the lower face and installation sleeve of the second support web plate (3) (5) it is used to accommodate molecular sieve (18) in the cavity between outer wall;The center sleeve (6) is inserted into shell by the top of housing (1) Stretched into after in body (1) in installation sleeve (5) to the cavity between the lower face of the first support web plate (2) and housing (1) inner bottom wall It is interior, and the side wall of center sleeve (6) is equipped with some rubber seal (10), outer wall and the installation sleeve (5) of center sleeve (6) Inner wall between pass through rubber seal (10) be tightly connected;The center sleeve (6) axially adjacent to top side wall and housing (1) top connection, the axial top of center sleeve (6) are equipped with electric heater (7), the electric heating tube of the electric heater (7) (8) stretch into center sleeve (6) in housing (1), and the inner wall of the outer wall of electric heating tube (8) and center sleeve (6) it Between clearance fit;Center sleeve (6) is located at the axial side wall of housing (1) outside and is equipped with air inlet (9).
2. the molecular sieve dehydration device according to claim 1 for natural gas, it is characterised in that the center sleeve (6) mounting blocks (11) are circumferentially equipped with side wall, the side wall of the mounting blocks (11) is circumferentially equipped with limiting slot (12), It is additionally provided with threaded hole (13) on mounting blocks (9), the axis direction of the threaded hole (13) is vertical with limiting slot (12) extending direction, And threaded hole (13) runs through the limiting slot (12);The rubber seal (10) be set on mounting hole (11) and radially One end insertion limiting slot (12) interior sealing rubber ring installation, by threaded hole (13) of the bolt (14) on the mounting blocks (11) and Rubber seal (10) is fixed on mounting blocks (11) by the rubber seal (10) in embedded limiting slot (12);The rubber is close Seal (10) is located at the part of limiting slot (12) outside and the internal wall transitions cooperation of installation sleeve (5) is fixed.
3. the molecular sieve dehydration device according to claim 2 for natural gas, it is characterised in that the installation sleeve (5) card slot (15) being adapted to the rubber seal (10) is circumferentially equipped with inner wall.
4. the molecular sieve dehydration device according to claim 1 for natural gas, it is characterised in that the housing (1) Top is open, further includes head cover (16), the head cover (16) is covered in the open end of housing (1) by joint seal of flanges.
5. the molecular sieve dehydration device according to claim 4 for natural gas, it is characterised in that on the head cover (16) Through hole is offered, the center sleeve (6) is stretched into housing (1) through the through hole;And the side wall and through hole of center sleeve (6) Place is connected by sealing flange (17).
6. the molecular sieve dehydration device according to claim 1 for natural gas, it is characterised in that first supporting network The radial distance of the side wall of plate (2) to installation through-hole inner wall is more than the side wall of the second support web plate (3) to installation through-hole inner wall Radial distance.
CN201711288339.6A 2017-12-07 2017-12-07 molecular sieve dehydration device for natural gas Pending CN108003953A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711288339.6A CN108003953A (en) 2017-12-07 2017-12-07 molecular sieve dehydration device for natural gas

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711288339.6A CN108003953A (en) 2017-12-07 2017-12-07 molecular sieve dehydration device for natural gas

Publications (1)

Publication Number Publication Date
CN108003953A true CN108003953A (en) 2018-05-08

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Country Status (1)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108916657A (en) * 2018-07-16 2018-11-30 燕山大学 A kind of natural gas purification gathering line
CN111249856A (en) * 2020-01-22 2020-06-09 东北大学 Multi-tower heat integrated adsorption device

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2839905Y (en) * 2005-07-28 2006-11-22 吴克明 Heat pipe assembly for heat pipe solar water heater
WO2014135035A1 (en) * 2013-09-25 2014-09-12 中兴通讯股份有限公司 Detachable dustproof mesh assembly and electronic device employing same
CN203868334U (en) * 2014-05-09 2014-10-08 大唐南京发电厂 Sealing device for base of coal pulverizer
CN204447690U (en) * 2014-12-19 2015-07-08 中国石油天然气股份有限公司 Molecular sieve dehydration tower
CN206290861U (en) * 2016-12-09 2017-06-30 吉林市城通科技有限公司 A kind of attachment structure for isometrical steel pipe
CN207537410U (en) * 2017-12-07 2018-06-26 四川科比科油气工程有限公司 Internal heat type molecular sieve dehydration device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2839905Y (en) * 2005-07-28 2006-11-22 吴克明 Heat pipe assembly for heat pipe solar water heater
WO2014135035A1 (en) * 2013-09-25 2014-09-12 中兴通讯股份有限公司 Detachable dustproof mesh assembly and electronic device employing same
CN203868334U (en) * 2014-05-09 2014-10-08 大唐南京发电厂 Sealing device for base of coal pulverizer
CN204447690U (en) * 2014-12-19 2015-07-08 中国石油天然气股份有限公司 Molecular sieve dehydration tower
CN206290861U (en) * 2016-12-09 2017-06-30 吉林市城通科技有限公司 A kind of attachment structure for isometrical steel pipe
CN207537410U (en) * 2017-12-07 2018-06-26 四川科比科油气工程有限公司 Internal heat type molecular sieve dehydration device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108916657A (en) * 2018-07-16 2018-11-30 燕山大学 A kind of natural gas purification gathering line
CN111249856A (en) * 2020-01-22 2020-06-09 东北大学 Multi-tower heat integrated adsorption device

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Application publication date: 20180508

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