CN206321091U - A kind of high-pressure carbon dioxide cooling device suitable for carbon dioxide stripping their - Google Patents
A kind of high-pressure carbon dioxide cooling device suitable for carbon dioxide stripping their Download PDFInfo
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- CN206321091U CN206321091U CN201621323873.7U CN201621323873U CN206321091U CN 206321091 U CN206321091 U CN 206321091U CN 201621323873 U CN201621323873 U CN 201621323873U CN 206321091 U CN206321091 U CN 206321091U
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- carbon dioxide
- tube
- bobbin carriage
- housing
- cooling device
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Abstract
A kind of high-pressure carbon dioxide cooling device suitable for carbon dioxide stripping their, including housing, housing side is communicated with bobbin carriage, carbon dioxide entrance is provided with the top of bobbin carriage, bobbin carriage is internally provided with the guide head for separating carbon dioxide, guide head is connected by dividing plate with the U-tube of enclosure interior, and bobbin carriage lower end is provided with carbon dioxide outlet；Case top sets cooling liquid outlet, and housing bottom is provided with condensate liquid import；Case top is provided with drain；Lower housing portion is provided with leakage fluid dram；Shell upper connection tube sheet is used as coolant outlet, there is coolant input port lower section, the carbon dioxide of high temperature enters the bobbin carriage separated from carbon dioxide entrance, flowed into again in U-tube by the guiding of guide head, the vapor space of the U-tube in cooler carries out heat exchange with coolant and discharges heat, and cooling down the final carbon dioxide outlet from cooler through U-tube through overcooled carbon dioxide flows out；The characteristics of the utility model has simple in construction, convenient and practical.
Description
Technical field
The utility model is related to cooler technical field, and in particular to a kind of high pressure two suitable for carbon dioxide stripping their
Carbonoxide cooling device.
Background technology
Nowadays the manufacture of urea typically uses carbon dioxide stripping their technique, and carbon dioxide air lift urea plant is by following
Process is constituted：High pressure loop includes urea synthesizer, stripping tower, carbamate condenser, high pressure scrubber and high-pressure injector；Vacuum is steamed
Hair system includes two sections and is evaporated in vacuo and condenser system, and is provided with process condensate treatment process, the urine after vacuum evaporation
Liquid sends into final granulating working procedure.Its main technological features is under conditions of optimal ammonia carbon ratio, to be preferably minimized synthesis pressure, together
When, under synthesis pressure, air lift is carried out to first ammonium liquid with the carbon dioxide gas of heating, the ammonia and carbon dioxide of decomposition are pressed in synthesis
Condensed under power, the heat (condensation heat) produced when condensation can be used to produce steam, and the steam of generation can be in subsequent production
Decomposed in stage and evaporation process is used as heating steam, and power steam and offer system as steam jet ejector
Insulation is used.Explosive gas is formed in order to prevent synthetic tower to be vented, and takes the method for removing hydrogen in carbon dioxide,
I.e. carbon-dioxide gas compressor exit gas first passes through gas heater and heats gas, into dehydrogenation reactor (being equipped with catalyst)
The hydrogen of mixing is sloughed, then again by gas-cooled method.Carbon dioxide stripping their technique compared with ammonia stripping urea process,
Air lift pressure is relatively low, and gas stripping efficiency is high, thus the technological process only needs low pressure decomposition, and urea dress can also be met by being not required to middle pressure decomposition
Put the requirement of production.But existing carbon dioxide cooler is less efficient, coolant utilization rate is small, and being unfavorable for large-scale production needs
Ask.
The content of the invention
In order to overcome the above-mentioned deficiencies of the prior art, the purpose of this utility model is to provide a kind of suitable for carbon dioxide
The high-pressure carbon dioxide cooling device of air- extraction, it is big when heat transfer temperature difference is than outdoor condensation using water as cooling material, thus carry
The high thermal efficiency of circulation；With simple in construction, the characteristics of convenient and practical.
To achieve these goals, the technical solution adopted in the utility model is：
A kind of high-pressure carbon dioxide cooling device suitable for carbon dioxide stripping their, including housing 1, described housing 1
Side is provided with bobbin carriage 15, the described top of bobbin carriage 15 is provided with inside carbon dioxide entrance 13, bobbin carriage 15 be separated into above and below two
Part, upper part is connected by guide head 14 with a mouth of pipe of the U-tube 10 inside housing 1, lower part and U-tube 10
Another mouth of pipe is connected, and the lower end of bobbin carriage 15 is provided with carbon dioxide outlet 17；The described top of housing 1 enters close to carbon dioxide
Cooling liquid outlet 11 is set at mouthfuls 13, and the described bottom of housing 1 at carbon dioxide outlet 17 away from being provided with condensate liquid import 21；
Drain 4 is provided with the described remote carbon dioxide entrance 13 in the top of housing 1；Described housing 1 is close to carbon dioxide outlet
Leakage fluid dram 19 is installed, cooling liquid outlet 11, condensate liquid import 21, drain 4 and leakage fluid dram 19 do not connect with U-tube 9 at 17
It is logical；Protection baffle plate 16 is provided with before the tube bank of the entrance of described guide head 14.
Upper, middle and lower in described housing 1 is respectively arranged with pull bar 6, the pull bar 6 on the top and bottom
Be provided with long distance sink tube 7, the pull bar 6 at middle part and be provided with short distance sink tube 8, between described long distance sink tube 7 and short distance sink tube 8 between
Every being provided with deflection plate 9 and guide plate 5.
What described cooling liquid outlet 11 stretched into housing 1 is internally provided with cushioning fender 12；Cooling liquid outlet 11 is by butt welding
Flange, adapter and stiffening ring composition.
Described housing 1 does not connect end with bobbin carriage 15 and is provided with ellipse end socket 2.
The supporting plate 3 for being supported and positioning is provided with described U-tube 10.
Described carbon dioxide mouthful 13 is connected with bobbin carriage 15 by welding manner.
Stiffening ring 22 is provided with the adapter of described housing 1.
The described bottom of housing 1 is provided with saddle free end 18 and saddle fixing end 20.
There is evenly distributed circular hole in described supporting plate 3.
The beneficial effects of the utility model：
(1) this cooler when heat transfer temperature difference is than outdoor condensation greatly, thus improves circulation using water as cooling material
The thermal efficiency；
(2) simple structure, low cost of manufacture, cheap, can mix water, the carbon dioxide of various different temperatures,
Improve service life of equipment；
(3) in structure compared with conventional cooler, the guide head 14 and cushioning fender 16 before U-tube 10 are with the addition of,
Increase coolant and the contact area of high temperature carbon dioxide gas, improve radiating efficiency；
(4) operation monitoring workload is small, and U-tube 10 and guide head 14 are mutually isolated by coolant and cooled medium, protects
Demonstrate,prove the cooling of high temperature carbon dioxide gas.
Brief description of the drawings
Fig. 1 is the utility model overall structure diagram.
Fig. 2 is bobbin carriage sectional view of the present utility model.
Fig. 3 is pull bar of the present utility model, distance sink tube schematic diagram.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.
As shown in Figure 1：A kind of high-pressure carbon dioxide cooling device suitable for carbon dioxide stripping their, including housing 1, institute
The side of housing 1 stated is provided with bobbin carriage 15, and the described top of bobbin carriage 15 is provided with carbon dioxide entrance 13, and the inside of bobbin carriage 15 separates
Into two parts up and down, upper part is connected by guide head 14 with a mouth of pipe of the U-tube 10 inside housing 1, lower part and U
Another mouth of pipe of type pipe 10 is connected, and the lower end of bobbin carriage 15 is provided with carbon dioxide outlet 17；The described top of housing 1 is close to two
Cooling liquid outlet 11 is set at carbonoxide entrance 13, and the described bottom of housing 1 at carbon dioxide outlet 17 away from being provided with condensation
Liquid import 21；Drain 4 is provided with the described remote carbon dioxide entrance 13 in the top of housing 1；Described housing 1 is close to dioxy
Change and leakage fluid dram 19 is installed at carbon outlet 17, cooling liquid outlet 11, condensate liquid import 21, drain 4 and leakage fluid dram 19 with it is U-shaped
Pipe 9 is not connected, and protection baffle plate 16 is provided with before the tube bank of the entrance of described guide head 14.
What described cooling liquid outlet 11 stretched into housing 1 is internally provided with cushioning fender 12；Cooling liquid outlet 11 is by butt welding
Flange, adapter and stiffening ring composition.
Described housing 1 does not connect end with bobbin carriage 15 and is provided with ellipse end socket 2.
The supporting plate 3 for being supported and positioning is provided with described U-tube 10.
Described carbon dioxide mouthful 13 is connected with bobbin carriage 15 by welding manner.
Stiffening ring 22 is provided with the adapter of described housing 1.
The described bottom of housing 1 is provided with saddle free end 18 and saddle fixing end 20.
There is evenly distributed circular hole in described supporting plate 3.
As shown in Figure 3：Upper, middle and lower in described housing 1 is respectively arranged with pull bar 6, and the top is with
Be provided with the pull bar 6 in portion on long distance sink tube 7, the pull bar 6 at middle part and be provided with short distance sink tube 8, described long distance sink tube 7 with it is short fixed
Away from being arranged at intervals with deflection plate 9 and guide plate 5 between pipe 8.
Described pull bar 6 is used for fixing deflection plate 9 and guide plate 5, and distance sink tube 7 and 8 is enclosed within to act synergistically on pull bar 6 and determined
Spacing and position of the deflection plate 9 with guide plate 5.
A kind of high-pressure carbon dioxide cooling device suitable for carbon dioxide stripping their, for being cooled down to carbon dioxide
And in the production for urea and related chemical products, its structure includes：As shown in figure 1, housing 1, primarily serves and each is entered
The support of gas port, exhaust outlet and U-tube 10 and bobbin carriage 15 and the effect being connected；End socket 2, mainly to the cooling in housing 1
Liquid carries out sealing function；Supporting plate 3, there is evenly distributed circular hole thereon, and U-tube 10 is supported and determined by being interference fitted
Position；Drain 4, is welded by W.N flange, adapter and gusset, can be discharged air in hydraulic pressure test, can also be discharged
Need the gas-liquid of isolation；Guide plate 5, it is to ensure the S-shaped flowing of carbon dioxide that it, which is acted on, is preferably carried out in cooler
Heat exchange, but also play a part of fixed U-tube 10, to mitigate the vibration of U-tube 10 operationally；Pull bar 6 and long spacing
Pipe 7 and short distance sink tube 8, connected mode are shown in Fig. 3, and effect is fixed deflection plate 9 and guide plate 5, make two plates keep one fix away from
From；Deflection plate 9 and the interference fit connection of U-tube 10, for guiding flow of carbon dioxide gas to extension gas is in U-tube 10
Holdup time so that high-temperature gas is sufficiently cool, improve heat exchanger effectiveness；U-tube 10, by St45.8III high-pressure boilers
Pipe is constituted, and being placed in columnar cooler casing 1 makes carbon dioxide and coolant fully contact；Cooling liquid outlet 11,
It is made up of W.N flange, adapter and stiffening ring, is the position of coolant discharge in cooler；Cushioning fender 12, effect is to prevent
High temperature carbon dioxide gas is directly flushed to just to the cylinder of entrance or other internals, on the one hand avoids medium erosion, on the one hand
Generation hot-spot is avoided to cause thermal (temperature difference) stress；Carbon dioxide mouthful 13, is connected by welding manner with bobbin carriage 15, is titanium dioxide
Carbon gas enters the passage of cooler；Guide head 14 and bobbin carriage 15 are by bolt connection, and blind plate is middle flange not with holes, for envelope
Firmly pipe stopper is used, and the carbon dioxide that planar rings laminating is led into flows along U-tube 10, prevents from escaping from exit
Go out；Bobbin carriage 15, as shown in Figure 2, the part being connected on the right side of housing with tube side, by flange, bobbin carriage dividing plate, channel cover and envelope
Head composition, bobbin carriage 15 has covered hanger, and bobbin carriage 15 is connected by stud, and it is to be used to connect multiple U-tubes that it, which is acted on,
10 interfaces；The effect of dividing plate 16 is that guiding high temperature carbon dioxide gas flows into U-tube 10；Carbon dioxide vent 17 is by W.N flange
Connected with siphunculus and welding box body, main function is collected through overcooled carbon dioxide；Saddle free end 18, is responsible for shell
The support of body 1, and can slide, effect is additional binding when reducing equipment microstrain, more reduces extra heat stress；
Leakage fluid dram 19 is connected by ring flange with pipeline, and effect is the unnecessary coolant of discharge；Saddle fixing end 20 is responsible for the branch of housing 1
Support and fixed, be connected by welding manner with housing 1；Condensate liquid import 21, by welded flange and adapter connect, housing 1 with
The compactness of patch weldering stiffening ring 22 increase welding around adapter weld, effect is addition coolant.
Operation principle of the present utility model：
This cooler is applied to produce the high-pressure carbon dioxide cooler of urea, the cooler using carbon dioxide stripping their
Using cylindrical housing 1, formed with special steel casting, the top of shell 1 is discharged with welded flange connection tube sheet as coolant
There is coolant input port 21 mouth 11, lower section, and the carbon dioxide of high temperature enters the bobbin carriage 15 1 separated from carbon dioxide entrance 13
Side, is flowed into U-tube 10 again by the guiding of guide head 14, and the vapor space of the U-tube 10 in cooler is carried out with coolant
Heat exchange and heat is discharged, the final carbon dioxide from cooler is cooled down through U-tube 10 through overcooled carbon dioxide
Flow out outlet 17.In order to increase the cooling ratio of coolant, in cooler built with fluid guide plate 5 and deflection plate 9, it makes cold
But the S-type flowing of liquid keeps transversal flow with tube wall.Finally, coolant outlet 11 row of the heated coolant from top
Go out, improve the utilization rate of coolant.Guide plate 5 except ensure carbon dioxide in cooler preferably carry out heat exchange in addition to,
Also play a part of fixed U-tube 10, to mitigate the vibration of U-tube 10 operationally.
In order to which the guide head 14 for protecting carbon dioxide porch flows erosion from high-temperature steam and damage, in entrance
Tube bank before install special protection baffle plate 16 additional, with dispersion steam air-flow, U-shaped can be uniformly distributed to by steam again by reducing impulse force
The various pieces of pipe 10.In order to keep cooling condition good in cooler, prevent that U-tube 10 and miscellaneous part are rotten in cooler
Erosion and the temperature exchange effect of enhancing and coolant, must install leakage fluid dram 19 on cooler, unnecessary to exclude in time
Coolant.
Claims (8)
1. a kind of high-pressure carbon dioxide cooling device suitable for carbon dioxide stripping their, including housing (1), it is characterised in that
Described housing (1) side is provided with the top of bobbin carriage (15), described bobbin carriage (15) and is provided with carbon dioxide entrance (13), bobbin carriage
(15) two parts above and below being separated into inside, upper part passes through guide head (14) and a pipe of the internal U-tube (10) of housing (1)
Mouth is connected, and lower part is connected with another mouth of pipe of U-tube (10), and bobbin carriage (15) lower end is provided with carbon dioxide outlet
(17)；Cooling liquid outlet (11), described housing (1) are set close to carbon dioxide entrance (13) place at the top of described housing (1)
Bottom is provided with condensate liquid import (21) away from carbon dioxide outlet (17) place；Away from carbon dioxide at the top of described housing (1)
Entrance (13) place is provided with drain (4)；Described housing (1) is provided with leakage fluid dram close to carbon dioxide outlet (17) place
(19), cooling liquid outlet (11), condensate liquid import (21), drain (4) and leakage fluid dram (19) are not connected with U-tube (10),
Protection baffle plate (16) is provided with before the tube bank of the entrance of described guide head (14).
2. a kind of high-pressure carbon dioxide cooling device suitable for carbon dioxide stripping their according to claim 1, it is special
Levy and be, the upper, middle and lower in described housing (1) is respectively arranged with pull bar (6), the pull bar on the top and bottom
(6) be provided with long distance sink tube (7), the pull bar (6) at middle part and be provided with short distance sink tube (8), described long distance sink tube (7) with it is short
Deflection plate (9) and guide plate (5) are arranged at intervals between distance sink tube (8).
3. a kind of high-pressure carbon dioxide cooling device suitable for carbon dioxide stripping their according to claim 1, it is special
Levy and be, what described cooling liquid outlet (11) stretched into housing (1) is internally provided with cushioning fender (12)；Cooling liquid outlet (11)
It is made up of W.N flange, adapter and stiffening ring.
4. a kind of high-pressure carbon dioxide cooling device suitable for carbon dioxide stripping their according to claim 1, it is special
Levy and be, described housing (1) does not connect end with bobbin carriage (15) and is provided with ellipse end socket (2).
5. a kind of high-pressure carbon dioxide cooling device suitable for carbon dioxide stripping their according to claim 1, it is special
Levy and be, the supporting plate (3) for being supported and positioning is provided with described U-tube (10).
6. a kind of high-pressure carbon dioxide cooling device suitable for carbon dioxide stripping their according to claim 1, it is special
Levy and be, stiffening ring (22) is provided with the adapter of described housing (1).
7. a kind of high-pressure carbon dioxide cooling device suitable for carbon dioxide stripping their according to claim 1, it is special
Levy and be, described housing (1) bottom is provided with saddle free end (18) and saddle fixing end (20).
8. a kind of high-pressure carbon dioxide cooling device suitable for carbon dioxide stripping their according to claim 5, it is special
Levy and be, have evenly distributed circular hole in described supporting plate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621323873.7U CN206321091U (en) | 2016-12-05 | 2016-12-05 | A kind of high-pressure carbon dioxide cooling device suitable for carbon dioxide stripping their |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621323873.7U CN206321091U (en) | 2016-12-05 | 2016-12-05 | A kind of high-pressure carbon dioxide cooling device suitable for carbon dioxide stripping their |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206321091U true CN206321091U (en) | 2017-07-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621323873.7U Expired - Fee Related CN206321091U (en) | 2016-12-05 | 2016-12-05 | A kind of high-pressure carbon dioxide cooling device suitable for carbon dioxide stripping their |
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| Country | Link |
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| CN (1) | CN206321091U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106610237A (en) * | 2016-12-05 | 2017-05-03 | 陕西科技大学 | Novel carbon dioxide cooling device |
| CN109186284A (en) * | 2018-08-29 | 2019-01-11 | 张家港市科华化工装备制造有限公司 | U-tube heat exchanger |
-
2016
- 2016-12-05 CN CN201621323873.7U patent/CN206321091U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106610237A (en) * | 2016-12-05 | 2017-05-03 | 陕西科技大学 | Novel carbon dioxide cooling device |
| CN109186284A (en) * | 2018-08-29 | 2019-01-11 | 张家港市科华化工装备制造有限公司 | U-tube heat exchanger |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170711 Termination date: 20181205 |
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| CF01 | Termination of patent right due to non-payment of annual fee |