CN107551769A - A kind of vehicular glycol dehydration device and absorption system - Google Patents
A kind of vehicular glycol dehydration device and absorption system Download PDFInfo
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- CN107551769A CN107551769A CN201710940263.4A CN201710940263A CN107551769A CN 107551769 A CN107551769 A CN 107551769A CN 201710940263 A CN201710940263 A CN 201710940263A CN 107551769 A CN107551769 A CN 107551769A
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- rectifying column
- vehicular
- absorption tower
- glycol dehydration
- dehydration device
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- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 title claims abstract description 116
- 238000010521 absorption reaction Methods 0.000 title claims abstract description 90
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 title claims abstract description 58
- 230000018044 dehydration Effects 0.000 title claims abstract description 49
- 238000006297 dehydration reaction Methods 0.000 title claims abstract description 49
- 239000000945 filler Substances 0.000 claims abstract description 34
- 230000008676 import Effects 0.000 claims abstract description 28
- 239000000463 material Substances 0.000 claims abstract description 9
- 238000004891 communication Methods 0.000 claims abstract description 7
- 239000007788 liquid Substances 0.000 claims description 44
- 238000001727 in vivo Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 15
- 238000000926 separation method Methods 0.000 abstract description 7
- 238000011900 installation process Methods 0.000 abstract description 6
- 239000007789 gas Substances 0.000 description 76
- 238000000034 method Methods 0.000 description 19
- 230000008569 process Effects 0.000 description 14
- 238000012856 packing Methods 0.000 description 13
- 230000008929 regeneration Effects 0.000 description 12
- 238000011069 regeneration method Methods 0.000 description 12
- 239000002737 fuel gas Substances 0.000 description 10
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 7
- 235000011941 Tilia x europaea Nutrition 0.000 description 7
- 239000004571 lime Substances 0.000 description 7
- 230000008439 repair process Effects 0.000 description 7
- 239000002250 absorbent Substances 0.000 description 6
- 230000002745 absorbent Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 239000007791 liquid phase Substances 0.000 description 6
- 239000002994 raw material Substances 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 238000007701 flash-distillation Methods 0.000 description 3
- 239000012071 phase Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000005587 bubbling Effects 0.000 description 2
- 235000009508 confectionery Nutrition 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000010327 methods by industry Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000006004 Quartz sand Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- RHZUVFJBSILHOK-UHFFFAOYSA-N anthracen-1-ylmethanolate Chemical compound C1=CC=C2C=C3C(C[O-])=CC=CC3=CC2=C1 RHZUVFJBSILHOK-UHFFFAOYSA-N 0.000 description 1
- 239000003830 anthracite Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000004508 fractional distillation Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Abstract
The invention provides a kind of vehicular glycol dehydration device and absorption system, it is related to gas separation technique field.The vehicular glycol dehydration device includes skid, absorption tower, rectifying column and the reboiler connected with rectifying column bottom, absorption tower, rectifying column and reboiler are fixedly installed in skid, rich solution outlet and lean solution import are provided with absorption tower, the rich solution import connected with rich solution outlet is provided with rectifying column, is provided with reboiler and is exported with the lean solution of lean solution inlet communication.The problems of absorption tower and rectifying column in follow-up installation process are avoided, save manpower and materials.The absorption system, including above-mentioned vehicular glycol dehydration device, are not related to the installation and reset of absorption tower and rectifying column in follow-up installation process, and filler internals installation the problems such as, reduce field erected labor intensity.
Description
Technical field
The present invention relates to gas separation technique field, in particular to a kind of vehicular glycol dehydration device and absorption
System.
Background technology
Dehydration is common chemical separation process, have some gas well makings preferably without acid gas component and calorific value it is enough, only
Dehydration is needed to enter long defeated pipe network.In traditional dehydration device in addition to the equipment such as absorption tower, rectifying column, chimney, other equipment
Can be into sled, but still have many installation workloads at the scene, such as absorption tower installation, rectifying column resets, filler internal installation, pipeline
Reset etc., construction work early stage is further needed exist for, expends substantial amounts of manpower and materials.
The content of the invention
It is an object of the invention to provide a kind of vehicular glycol dehydration device, and absorption tower and rectifying column are installed on sled by it
On seat, solve the problems, such as that the working strength during subsequent installation is big.
Another object of the present invention is to provide a kind of absorption system, it includes above-mentioned vehicular glycol dehydration device, energy
Absorption tower and rectifying column is enough avoided to expend a large amount of manpower and materials in subsequent installation process.
What the present invention was realized in：
A kind of vehicular glycol dehydration device, including skid, absorption tower, rectifying column and what is connected with rectifying column bottom boil again
Device, absorption tower, rectifying column and reboiler are fixedly installed in skid, and rich solution outlet and lean solution import are provided with absorption tower,
The rich solution import connected with rich solution outlet is provided with rectifying column, is provided with to go out with the lean solution of lean solution inlet communication on reboiler
Mouthful.
Further, in preferred embodiments of the present invention, poor rich liquid heat exchanger and lean solution are also equipped with above-mentioned skid
Conveying device, the rich solution outlet on absorption tower connect with the cold side import of poor rich liquid heat exchanger, the cold side outlet port of poor rich liquid heat exchanger
With the rich solution inlet communication of rectifying column, lean solution outlet connects with the hot side import of poor rich liquid heat exchanger, the heat of poor rich liquid heat exchanger
Side outlet connects with the input of lean solution conveying device, output end and the lean solution inlet communication of lean solution conveying device.
Further, in preferred embodiments of the present invention, rectifying column condenser and flash distillation are also equipped with above-mentioned skid
Tank, the hot side entrance of rectifying column condenser connect with the top of rectifying column, the cold side input port and rich solution outlet of rectifying column condenser
Connection, the cold side outlet port of rectifying column condenser connect with the entrance of flash tank, the outlet at bottom and poor rich liquid heat exchanger of flash tank
Cold side input port connection.
Further, in preferred embodiments of the present invention, above-mentioned vehicular glycol dehydration device also includes being used to convey
The air lift feed channel of gas stripping gas, air lift compartment is provided with reboiler, the port of export of air lift feed channel is arranged at air lift compartment
Above bottom plate.
Further, in preferred embodiments of the present invention, air lift compartment is provided with the housing of above-mentioned reboiler.
Further, in preferred embodiments of the present invention, the use specific surface area on above-mentioned absorption tower is more than 300m2/m3's
Filler.
Further, in preferred embodiments of the present invention, above-mentioned absorption tower uses disc type liquid phase distributor and biserial leaf
Chip gas distributor.
Further, in preferred embodiments of the present invention, the use on above-mentioned absorption tower laterally discharges.
Further, in preferred embodiments of the present invention, above-mentioned rectifying column is more than 250m using specific surface area2/m3It is small
Type filler.
A kind of absorption system, including above-mentioned vehicular glycol dehydration device.
The beneficial effects of the invention are as follows：The vehicular glycol dehydration device that the present invention is obtained by above-mentioned design, it passes through
Absorption tower and rectifying column are mounted in skid, many in follow-up installation process of absorption tower and rectifying column is avoided and asks
Topic, saves manpower and materials.Present invention also offers a kind of absorption system, and it includes above-mentioned vehicular glycol dehydration device,
Be not related to the installation and reset of absorption tower and rectifying column in follow-up installation process, and filler internals installation the problems such as, drop
Low field erected workload.
Brief description of the drawings
, below will be to required use in embodiment in order to illustrate more clearly of the technical scheme of embodiment of the present invention
Accompanying drawing be briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, therefore be not to be seen as
It is the restriction to scope, for those of ordinary skill in the art, on the premise of not paying creative work, can be with root
Other related accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the first structure schematic diagram for the vehicular glycol dehydration device that the embodiment of the present invention 1 provides；
Fig. 2 is the second structural representation of the vehicular glycol dehydration device that the embodiment of the present invention 1 provides；
Fig. 3 is the structural representation for the vehicular glycol dehydration device that the embodiment of the present invention 2 provides；
Fig. 4 is the structural representation of reboiler in Fig. 3；
Fig. 5 is the sectional view of Section A-A in Fig. 4；
Fig. 6 is the sectional view of section B-B in Fig. 4；
Fig. 7 is the structural representation of gas distributor in Fig. 4；
Fig. 8 is the structural representation for the vehicular glycol dehydration device that the embodiment of the present invention 3 provides.
Icon：100- skids；100a- vehicular glycol dehydration devices；100b- vehicular glycol dehydration devices；100c- cars
Load formula glycol dehydration device；110- absorption towers；112- raw material gas inlets；114- rich solution outlets；116- lean solution imports；118- dry gas
Outlet；120- rectifying columns；The rectifying columns of 121- first；122- rich solution imports；123- rectifying column condensers；124- liquid-inlets；
126- lime set knockout drums；The rectifying columns of 127- second；130- reboilers；131- burners；134- lean solutions export；The poor hydrorrheas of 1341-
Flow tube；1312- heat source imports；132- air lift feed channels；133- deflectors；1331- gas phase channels；1332- liquid channels；135-
Gas distributor；1351- branch pipes；1352- disperses ball；136- air lift compartments；137- manholes；138- heater blocks；139- fillers
Baffle plate；1391- gas-liquid channels；1392- through holes；140- poor rich liquid heat exchangers；150- lean solution conveying devices；160- flash tanks；
161- dry gas lean solution heat exchangers；The solution strainers of 166- first；The solution strainers of 168- second；169- surge tanks；170- fuel
Gas surge tank；180- dry gas filters；190- raw material air filters.
Embodiment
To make the purpose, technical scheme and advantage of embodiment of the present invention clearer, implement below in conjunction with the present invention
Accompanying drawing in mode, the technical scheme in embodiment of the present invention is clearly and completely described, it is clear that described reality
The mode of applying is a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, ability
The every other embodiment that domain those of ordinary skill is obtained under the premise of creative work is not made, belongs to the present invention
The scope of protection.Therefore, below the detailed description of the embodiments of the present invention to providing in the accompanying drawings be not intended to limit will
The scope of the present invention of protection is sought, but is merely representative of the selected embodiment of the present invention.Based on the embodiment in the present invention,
The every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, belong to this
Invent the scope of protection.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " on ", " under ", "front", "rear",
The orientation or position relationship of the instruction such as " vertical ", " level ", " top ", " bottom ", " interior ", " outer " be based on orientation shown in the drawings or
Position relationship, it is for only for ease of and describes the present invention and simplify description, rather than indicates or imply that signified equipment or element must
There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include one or more this feature.In the description of the invention, " multiple " are meant that two or more,
Unless otherwise specifically defined.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be that machinery connects
Connect or electrically connect；Can be joined directly together, can also be indirectly connected by intermediary, can be in two elements
The connection in portion or the interaction relationship of two elements.For the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
Embodiment 1
Referring to Fig.1 and 2, the present embodiment provides a kind of vehicular glycol dehydration device 100a, including skid 100, suction
Receive tower 110, rectifying column 120 and the reboiler 130 connected with the bottom of rectifying column 120, absorption tower 110, rectifying column 120 and reboiler
130 are fixedly installed in skid 100, and rich solution outlet 114 and lean solution import 116, rectifying column 120 are provided with absorption tower 110
On be provided with the rich solution import 122 connected with rich solution outlet 114, be provided with reboiler 130 connected with lean solution import 116 it is poor
Liquid outlet 134.
It should be noted that absorption tower 110 and rectifying column 120 are fixedly installed in skid 100, significantly reduce existing
The course of work during installation of field, such as the installation on absorption tower 110, reset, the installation of filler internals of rectifying column 120, pipeline is answered
The courses of work such as position are carried out without scene, and are readily transported, and directly fix the equipment being fixed in skid 100 at the scene i.e.
It can be used, reduce the consumption of man power and material.
Specifically, skid 100 is used for the chassis for carrying out skid, and one group of equipment is fixed in skid 100, mobile, in place
Crowbar can be used, skid 100 can be chassis made of angle steel or I-steel.Heat source import 1312 on reboiler 130 is
Reboiler 130 provides heating gas, and specific structure and operation principle are identical with the heat-supplying mode of existing reboiler 130.
Specifically, glycol dehydration is to use glycol as absorbent, and the vapor in unstripped gas is absorbed in absorption tower 110,
And the thermal regeneration in rectifying column 120 and reboiler 130, the absorbent after regeneration is returned into absorption tower 110.Unstripped gas is from absorption
The raw material gas inlet 112 of tower 110 enters, and is fully contacted with absorbent glycol in absorption tower 110, and the moisture in unstripped gas is inhaled
From the output of dry gas outlet 118, the glycol solution for absorbing moisture is exported, entered dry gas after receipts from the rich solution outlet 114 on absorption tower 110
Enter the rich solution import 122 of rectifying column 120, reboiler 130 is used to provide the heating thermal source of rectifying column 120, and glycol exists with vapor
Separated in rectifying column 120 and reboiler 130, heavy constituent glycol enters from the output of lean solution outlet 134 on reboiler 130
Lean solution import 116 on absorption tower 110, carry out the absorption process of next stage.
Further, poor rich liquid heat exchanger 140 and lean solution conveying device 150, absorption tower 110 are also equipped with skid 100
Rich solution outlet 114 connected with the cold side import of poor rich liquid heat exchanger 140, the cold side outlet port of poor rich liquid heat exchanger 140 and rectifying
The rich solution import 122 of post 120 connects, and lean solution outlet 134 connects with the hot side import of poor rich liquid heat exchanger 140, poor rich solution heat exchange
The hot side outlet of device 140 connects with the input of lean solution conveying device 150, and output end and the lean solution of lean solution conveying device 150 are entered
Mouth 116 connects.
Specifically, poor rich liquid heat exchanger 140 be used for by from the lean solutions of the output of the lean solution of reboiler 130 outlet 134 with from suction
The rich solution for receiving the output of rich solution outlet 114 of tower 110 is exchanged heat, and is made the temperature of lean solution tentatively be reduced, is advantageous under enhancing
The absorption efficiency of one absorption process, the rich solution for equally making to need to carry out thermal regeneration are tentatively heated up, and improve using energy source
Rate, improve the regeneration efficiency of regenerative process.Lean solution conveying device 150 is lean pump, for providing the power of conveying.
It should be noted that the reason for absorption tower 110 and rectifying column 120 can not be fixed in skid 100 by traditional handicraft
It is that its height is too high, it is not readily transportable.Therefore, it is necessary to improve absorption efficiency using efficient filler, so as to ensure to inhale
Producing effects reduces the height on absorption tower 110 on the premise of fruit.
Further, absorption tower 110 is more than 300m using specific surface area2/m3Filler, rectifying column 120 uses specific surface area
More than 250m2/m3Small-sized filler.Absorption tower 110 and rectifying column 120 are using the very big high efficiency packing of specific surface area, Neng Gouzeng
Greatly with the contact area of liquid phase, the height of absorption tower 110 and rectifying column 120 is significantly reduced, is easy to absorption tower 110 and rectifying
Post 120 is installed in skid 100.
Preferably, the filler on absorption tower 110 uses combined stuffing, and combined stuffing is more than 250m including specific surface area2/m3's
Structured packing and specific surface area are more than 500m2/m3Small-sized filler, small-sized filler is filled in structured packing space.Will be efficient
Small-sized filler is filled in the space of structured packing, increases the contact area of packing layer and gas-liquid, and takes full advantage of suction
The filling space of tower 110 is received, the tower height on absorption tower 110 is advantageously reduced while same absorbent efficiency is ensured.
Specifically, specific surface area is more than 250m2/m3Structured packing can use 250Y structured packing, specific surface area is big
In 500m2/m3Small-sized filler can use θ ring fillers.Structured packing is one kind uniform geometric figure arrangement in tower, neatly
The filler piled up, specific surface area is big, pressure drop is small, even fluid distribution and mass-and heat-transfer efficiency high.250Y structured packing refers to
250Y corrugated regular fillers, it has the advantages that in light weight, specific surface area is high, easily changed.Small-sized filler refers to that nominal dimension is small
In 10mm efficient packing of small particle, more using wire, wire netting or metallic plate, small annular, triangle etc. are shaped as, such as
θ ring fillers, cannon ring filler, single turn helix filler.Therefore, the 250Y very big θ ring fillers of specific surface area filled rule
In the space of whole filler, the ripple space of structured packing is taken full advantage of, in absorption tower 110 under limited bed stuffing height,
Filling space can be made full use of, increases the absorption efficiency on absorption tower 110.
Further, absorption tower 110 uses disc type liquid phase distributor and biserial vane type gas distributor.Disc type liquid phase point
While absorbent can be uniformly dispersed by cloth device, the height of itself is relatively low, advantageously reduces the height on absorption tower 110.Biserial
Vane type gas distributor equally can be on the premise of gas be evenly distributed, due to its biserial leaf structure to a certain degree
The upper height for reducing absorption tower 110.
Further, the use on absorption tower 110 laterally discharges.Absorption tower 110 and rectifying column 120 are discharged using lateral,
Rich solution outlet 114 such as absorption tower 110 is arranged in the side wall of the bottom of absorption tower 110, and dry gas outlet 118 is arranged on absorption tower
In the side wall at 110 tops, such setting is arranged on tower top and bottom of towe compared to by these discharging openings, can save absorption tower
The setting of 110 tower top and the ozzle of bottom of towe and the part of this part of elbow, reduce the tower height on absorption tower 110, be advantageous to by
Absorption tower 110 is fixedly installed in skid 100.
It should be noted that the vehicular glycol dehydration device 100a that the present embodiment provides, its is simple in construction, is technique essence
Less demanding dehydration device is spent, absorption tower 110 and rectifying column 120 can be fixed in skid 100, reduces subsequent installation
During labor intensity.
Embodiment 2
The vehicular glycol dehydration device 100b that the present embodiment is provided, its realization principle and caused technique effect and reality
It is identical to apply example 1, to briefly describe, the present embodiment does not refer to part, refers to corresponding contents in embodiment 1.Difference is
The present embodiment provide vehicular glycol dehydration device 100b technique it is more complete, and absorb and regeneration it is more efficient, it is right
In the process due to proposing higher technological requirement to absorption and regenerative process, can be absorbed by optimizing process to reduce
The height of tower 110 and rectifying column 120, so as to which the two is fixedly installed in skid 100.
Fig. 3 is refer to, rectifying column condenser 123 and flash tank 160, rectifying column condenser 123 are also equipped with skid 100
Hot side entrance connected with the top of rectifying column 120, the cold side input port of rectifying column condenser 123 connects with rich solution outlet 114, essence
The cold side outlet port of fractional distillation column condenser 123 connects with the entrance of flash tank 160, and the outlet at bottom of flash tank 160 exchanges heat with poor rich solution
The cold side input port connection of device 140.
It should be noted that the rich solution that the rich solution outlet 114 on absorption tower 110 is exported by rectifying column condenser 123 with
The hot-fluid that the top of rectifying column 120 flows into rectifying column condenser 123 carries out heat exchange, has carried out first heating to rich solution, has passed through
Crossing flash tank 160 make after decompression separation natural gas in rich solution and moisture to obtain initial gross separation, defeated by the bottom of flash tank 160
The liquid gone out is mainly sweet alcohol and water, and the liquid carries out heat exchange by poor rich liquid heat exchanger 140 and the lean solution of heat again, equivalent to
Secondary temperature elevation is carried out to rich solution, the process to heat up twice takes full advantage of steam and the lean solution outlet 134 at the top of rectifying column 120
The heat of lean solution is exported, improves energy utilization rate, and is advantageous to improve the regeneration efficiency in the regenerative process of absorbent glycol.
Further, lime set knockout drum 126 is also equipped with skid 100, the import of lime set knockout drum 126 and rectifying column are cold
The top connection of condenser 123, by the gas of the top of rectifying column 120 output after the cooling liquid of rectifying column condenser 123, enters
Lime set knockout drum 126, liquid by lime set knockout drum 126 outlet at bottom discharge, tail gas by lime set knockout drum 126 top exit
Discharge.
Further, the communicating pipe between the outlet at bottom of flash tank 160 and the cold side input port of poor rich liquid heat exchanger 140
The first solution strainer 166 and the second solution strainer 168 are provided with road, the first solution strainer 166 is built with the first mistake
Filler is filtered, the second solution strainer 168 is built with the second filter packing.Specifically, the first filter packing can be that activated carbon is used
In adsorbing the organic matter in the bottom output liquid of flash tank 160, the purity of lean solution during glycol reclamation is improved.Second filtering is filled out
Material can use quartz sand or anthracite etc., for carrying out mechanical filter, improve the rich solution purity into rich solution import 122, carry
The quality of lean solution after height regeneration.
Further, fuel gas surge tank 170, the entrance of fuel gas surge tank 170 and flash distillation are also equipped with skid 100
The top exit connection of tank 160, the top exit of fuel gas surge tank 170 connect with the burner 131 of reboiler 130.Flash distillation
The gas of the top output of tank 160 is mainly that natural gas contains a small amount of vapor, is carried out this portion gas as fuel gas
Storage, for providing fuel to the burner 131 of reboiler 130, energy utilization rate is improved, reduces process costs.In addition,
The bottom of fuel gas surge tank 170 is provided with sewage outlet, for discharging by the water in the top exit output gas of flash tank 160
Point.
Further, the output end of lean solution conveying device 150 is poor with being provided with dry gas on the connecting pipeline of lean solution import 116
Liquid heat exchanger 161, the hot side entrance of dry gas lean solution heat exchanger 161 connect with the output end of lean solution conveying device 150, dry gas lean solution
The hot side outlet of heat exchanger 161 connects with lean solution import 116, cold side input port and the dry gas outlet 118 of dry gas lean solution heat exchanger 161
Connection, the cold side outlet port of dry gas lean solution heat exchanger 161 connect with the entrance of fuel gas surge tank 170.Dry gas lean solution heat exchanger 161
For the lean solution that lean solution conveying device 150 exports and the dry gas of the output of dry gas outlet 118 to be exchanged heat, carry out lean solution secondary
Cooling, is advantageous to improve absorption efficiency in next absorption process.
Further, it is provided with dry gas mistake on the connecting pipeline of dry gas lean solution heat exchanger 161 and fuel gas surge tank 170
Filter 180, the import of dry gas filter 180 connect with the cold side outlet port of dry gas lean solution heat exchanger 161, dry gas filter 180
Top exit connects with the entrance of fuel gas surge tank 170, and the top exit of dry gas filter 180 passes through air lift feed channel
132 connect with the bottom of reboiler 130.Dry gas filter 180 carries out mechanical filter to dry gas, and the liquid discharged in dry gas is sweet
Alcohol, this part glycol export from the bottom blow-down mouth of a river of dry gas filter 180, and pure dry gas is from the top of dry gas filter 180
Portion exports, and a part enters subsequent processing as product, is partly into fuel gas surge tank 170 and provides combustion for reboiler 130
Material, some dry gas enters the bottom of reboiler 130 as gas stripping gas in addition, improves the using energy source of whole technical process
Rate.
Further, vehicular glycol dehydration device 100b also includes raw material air filter 190, and unstripped gas enters absorption tower
Before 110 raw material gas inlet 112, unstripped gas is filtered by raw material air filter 190, gets rid of the liquid in unstripped gas
State water or free liquid, improve subsequent absorption and the technological effect of regenerative process.
Further, incorporated by reference to Fig. 3 and Fig. 4, vehicular glycol dehydration device 100b also includes being used to convey gas stripping gas
Air lift feed channel 132, air lift compartment 136 is provided with the housing of reboiler 130, the body of equipment is reduced by the integration of equipment
Product.The port of export of air lift feed channel 132 is arranged above the bottom plate of air lift compartment 136.Air lift compartment 136 is used for built with filler
Air lift process is carried out, the liquid of the bottom of rectifying column 120 is entered into reboiler 130 and passes through the gas-liquid channel on air lift compartment 136
1391 enter in air lift compartment 136, and dry gas imported into air lift compartment by air lift feed channel 132 as gas stripping gas through through hole 1392
136 bottom, the partial pressure of vapor is reduced, and gas stripping is strengthened by the form of bubbling, make the moisture in glycol solution
Separate, increase the regeneration efficiency of glycol.
Specifically, heater block 138, deflector 133 and filler baffle plate 139, filler are provided with the cavity of reboiler 130
Baffle plate 139 is baffle plate of the air lift compartment 136 close to the side of deflector 133.Heater block 138 is used for the cavity to reboiler 130
Interior gas and liquid is heated, be currently used for heating heat-exchanging component structure and operation principle it is identical.Incorporated by reference to figure
5, the gas phase channel 1331 of supplied gas circulation, deflector 133 are formed between the top of deflector 133 and the roof of reboiler 130
Bottom and reboiler 130 bottom wall between form the liquid channel 1332 to circulate for liquid.Incorporated by reference to Fig. 6, filler baffle plate 139
Top and the roof of reboiler 130 between form supply mutually and the gas-liquid channel 1391 that circulates of liquid phase, under gas-liquid channel 1391
Side is sealing baffle structure.Specifically, gas-liquid channel 1391 is the structure of bar hole, and liquid phase flows into from the bottom of deflector 133
And air lift compartment 136 is entered by the gas-liquid channel 1391 at the top of filler baffle plate 139, reduce the generation of back-mixing.
Further, incorporated by reference to Fig. 4 and Fig. 7, gas distributor 135, air lift compartment are additionally provided with air lift compartment 136
136 top, which is additionally provided with, to be easy to think the manhole 137 for installing filler.Specifically, gas distributor 135 includes the He of branch pipe 1351
Scattered ball 1352, branch pipe 1351 connect with the port of export of air lift feed channel 132, disperse ball 1352 higher than lean solution overflow pipe 1341
Entrance point.Gas stripping gas enters in the branch pipe 1351 of gas distributor 135 after being exported by air lift feed channel 132, is delivered to scattered ball
1352, gas exports the effect for strengthening bubbling from scattered ball 1352, is advantageous to improve the effect of air lift process, so as to lift lean solution
Purity.Scattered ball 1352 is higher than the entrance point of lean solution overflow pipe 1341, can prevent gas stripping gas from entering lean solution overflow pipe 1341
And reduce the purity of lean solution.
It should be noted that the vehicular glycol dehydration device 100b that the present embodiment provides is compared to the technique mistake of embodiment 1
Cheng Gengjia is perfect, improves the operating efficiency and product quality absorbed with regenerative process, and it is higher can be applied to separation accuracy
Technical process.
Embodiment 3
Shown in reference picture 8, vehicular glycol dehydration device 100c that the present embodiment is provided, its realization principle and caused
Technique effect and embodiment 2 are identical, and to briefly describe, the present embodiment does not refer to part, refers to corresponding contents in embodiment 2.
Difference is that the rectifying column 120 for the vehicular glycol dehydration device 100c that the present embodiment provides includes the first rectifying column 121
With the second rectifying column 127.
It should be noted that rectifying column 120 includes the first rectifying column 121 and the second rectifying column 127, i.e., by rectifying column 120
It is divided into two parts, a part is used alone with the one of reboiler 130, a part after being combined with rectifying column condenser 123.It is such
The height of rectifying column 120 can be increased by setting, and had the process engineering of requirements at the higher level for glycol reclamation process, can be used this side
Formula, meet absorption tower 110 and rectifying column 120 can be fixedly installed in skid 100 while technological requirement.
Specifically, the hot side entrance of rectifying column condenser 123 connects with the top of the first rectifying column 121, reboiler 130 with
The bottom of second rectifying column 127 is connected, and liquid-inlet 124, the bottom of the first rectifying column 121 are provided with the second rectifying column 127
Outlet connects with the liquid-inlet 124 of the second rectifying column 127, the cold side outlet port of poor rich liquid heat exchanger 140 and the second rectifying column 127
On rich solution import 122 connect.
It should be noted that rich solution import 122 is arranged on the second rectifying column 127, boil in the second rectifying column 127 and again
Gas phase after the progress regenerative process of device 130 continues regenerative process into the first rectifying column 121, improves regeneration efficiency, heat
Steam is that rectifying column condenser 123 provides thermal source, and gas-liquid separation is carried out by lime set knockout drum 126 after cooling.
It should be noted that the vehicular glycol dehydration device 100c provided in the present embodiment is compared in embodiment 2
Vehicular glycol dehydration device 100b, suitable for the higher technical process of regeneration requirements, the total height of rectifying column 120 is equivalent to
One rectifying column 121 and the sum of the second rectifying column 127, it can reach more preferable while the requirement for meeting to be installed in skid 100
Regeneration efficiency.
Present invention also offers a kind of absorption system, including above-mentioned vehicular glycol dehydration device.The absorption system absorbs
Agent absorbs by absorption tower 110 to the component to be absorbed in unstripped gas, and rich solution enters in rectifying column 120 and reboiler 130
Absorption tower 110 is returned again to after row regeneration.
In summary, the invention provides a kind of vehicular glycol dehydration device, it is by the way that absorption tower and rectifying column are consolidated
Dingan County avoids in the installation on absorption tower, the reset of rectifying column and filler loaded in skid in subsequent field work progress
The problems such as installation of part, reduce field erected workload；Rich solution is tentatively heated up by rectifying column condenser, lifted
The efficiency of glycol reclamation；Rectifying column is divided into two parts, a part and reboiler one, a part and rectifying column condenser group
It is used alone after conjunction, such setting can increase the height of rectifying column, and disclosure satisfy that there are requirements at the higher level to glycol reclamation process
Process engineering.Present invention also offers a kind of absorption system, and it is kept away by the way that absorption tower and rectifying column are mounted in skid
Exempt from the problems of absorption tower and rectifying column in follow-up installation process, save manpower and materials.
The preferred embodiment of the present invention is the foregoing is only, is not intended to limit the invention, for this area
For technical staff, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made is any
Modification, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (10)
- A kind of 1. vehicular glycol dehydration device, it is characterised in that including skid, absorption tower, rectifying column and with the rectifying column The reboiler of bottom connection, the absorption tower, the rectifying column and the reboiler are fixedly installed in the skid, described Rich solution outlet and lean solution import are provided with absorption tower, the rich solution connected with the rich solution outlet is provided with the rectifying column and is entered Mouthful, it is provided with the reboiler and is exported with the lean solution of the lean solution inlet communication.
- 2. vehicular glycol dehydration device according to claim 1, it is characterised in that be also equipped with the skid rich or poor Liquid heat exchanger and lean solution conveying device, the rich solution outlet on the absorption tower connect with the cold side import of the poor rich liquid heat exchanger Logical, the rich solution inlet communication of the cold side outlet port of the poor rich liquid heat exchanger and the rectifying column, the lean solution exports and institute The hot side import connection of poor rich liquid heat exchanger is stated, the hot side outlet of the poor rich liquid heat exchanger is defeated with the lean solution conveying device Enter end connection, the output end of the lean solution conveying device and the lean solution inlet communication.
- 3. vehicular glycol dehydration device according to claim 2, it is characterised in that be also equipped with rectifying in the skid Post condenser and flash tank, the hot side entrance of the rectifying column condenser connect with the top of the rectifying column, the rectifying column The cold side input port of condenser connects with the rich solution outlet, the cold side outlet port of the rectifying column condenser and entering for the flash tank Mouth connection, the outlet at bottom of the flash tank connect with the cold side input port of the poor rich liquid heat exchanger.
- 4. according to the vehicular glycol dehydration device described in claim 3, it is characterised in that the vehicular glycol dehydration dress Putting also includes being used for the air lift feed channel for conveying gas stripping gas, and air lift compartment, the air lift feed channel are provided with the reboiler The port of export be arranged above the bottom plate of the air lift compartment.
- 5. the vehicular glycol dehydration device according to any one of claim 1, it is characterised in that the shell of the reboiler It is provided with air lift compartment in vivo.
- 6. the vehicular glycol dehydration device according to any one of claim 1-5, it is characterised in that the absorption tower 300m is more than using specific surface area2/m3Filler.
- 7. according to the vehicular glycol dehydration device described in claim 6, it is characterised in that the absorption tower uses disc type liquid Distributed mutually device and biserial vane type gas distributor.
- 8. according to the vehicular glycol dehydration device described in claim 6, it is characterised in that the absorption tower uses laterally to go out Material.
- 9. the vehicular glycol dehydration device according to any one of claim 1-5, it is characterised in that the rectifying column is adopted It is more than 250m with specific surface area2/m3Small-sized filler.
- 10. a kind of absorption system, it is characterised in that including the vehicular glycol dehydration dress any one of claim 1-8 Put.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710940263.4A CN107551769B (en) | 2017-10-11 | 2017-10-11 | Vehicle-mounted glycol dewatering device and absorption system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710940263.4A CN107551769B (en) | 2017-10-11 | 2017-10-11 | Vehicle-mounted glycol dewatering device and absorption system |
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| CN107551769A true CN107551769A (en) | 2018-01-09 |
| CN107551769B CN107551769B (en) | 2024-04-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110642969A (en) * | 2019-10-12 | 2020-01-03 | 山东京博中聚新材料有限公司 | Pre-dehydration process of chloromethane |
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| CN204385153U (en) * | 2015-01-21 | 2015-06-10 | 杰瑞(天津)石油工程技术有限公司 | Sledge-borne type triglycol natual gas dehydrate unit |
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| CN110642969A (en) * | 2019-10-12 | 2020-01-03 | 山东京博中聚新材料有限公司 | Pre-dehydration process of chloromethane |
| CN110642969B (en) * | 2019-10-12 | 2022-04-05 | 山东京博中聚新材料有限公司 | Pre-dehydration process of chloromethane |
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| CN107551769B (en) | 2024-04-05 |
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