CN206440157U - A kind of novel high-pressure heater - Google Patents
A kind of novel high-pressure heater Download PDFInfo
- Publication number
- CN206440157U CN206440157U CN201621323444.XU CN201621323444U CN206440157U CN 206440157 U CN206440157 U CN 206440157U CN 201621323444 U CN201621323444 U CN 201621323444U CN 206440157 U CN206440157 U CN 206440157U
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- China
- Prior art keywords
- carbon dioxide
- housing
- tube
- bobbin carriage
- novel high
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Abstract
A kind of novel high-pressure heater, including housing, described housing side are 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, and guide head is connected with the U-tube of enclosure interior, and bobbin carriage lower end is provided with carbon dioxide outlet；The top of housing is provided with steam inlet close to carbon dioxide porch, and housing bottom at carbon dioxide outlet away from being provided with condensate outlet；Case top is provided with drain away from carbon dioxide porch；Housing is provided with leakage fluid dram at carbon dioxide outlet；The characteristics of the utility model has simple in construction, convenient and practical.
Description
Technical field
The utility model is related to heater technical field, and in particular to a kind of novel high-pressure heater.
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
Send 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 for producing steam, and the steam of generation can be in subsequent production
Used in stage decomposition and evaporation process 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 is taken the side of the hydrogen removing in carbon dioxide
Method, i.e. carbon-dioxide gas compressor exit gas first pass through gas heater and heat gas, into dehydrogenation reactor (equipped with catalysis
Agent) hydrogen of mixing is sloughed, then again by gas cooling.Carbon dioxide stripping their technique is compared with ammonia stripping urea process, gas
Pressure-raising power is relatively low, and gas stripping efficiency is high, thus the technological process only needs low pressure decomposition, and urea plant can also be met by being not required to middle pressure decomposition
The requirement of production；But existing CO2 heater is less efficient, heat utilization rate is small, and the thermal efficiency of circulation is low, unfavorable
In large-scale production demand.
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 novel high-pressure heating dress
Put, using water as heating material, heat transfer temperature difference is much smaller when heat than boiler smoke, reduce the heating process that feeds water can not
Inverse property, improves the 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 novel high-pressure heater, including housing 1, the described side of housing 1 are provided with bobbin carriage 14, described bobbin carriage
Be separated into above and below two parts are provided with inside carbon dioxide entrance 13, bobbin carriage 14 at the top of 14, and upper part passes through guide head 15 and shell
One mouth of pipe of the U-tube 9 inside body 1 is connected, and lower part is connected with another mouth of pipe of U-tube 9, the lower end of bobbin carriage 14 peace
Equipped with carbon dioxide outlet 16；The top of described housing 1 is provided with steam inlet 11 at carbon dioxide entrance 13, described
The bottom of housing 1 away from being provided with condensate outlet 20 at carbon dioxide outlet 16；The described top of housing 1 is away from carbon dioxide
Drain 4 is provided with entrance 13；Described housing 1 is provided with leakage fluid dram 18, the steam at carbon dioxide outlet 16
Entrance 11, condensate outlet 20, drain 4 and leakage fluid dram 18 are not connected with U-tube 9.
Upper, middle and lower in described housing 1 is respectively arranged with pull bar 8, the pull bar 8 on the top and bottom
It is provided with long distance sink tube 7, the pull bar 8 at middle part and is provided with short distance sink tube 10, between described long distance sink tube 7 and short distance sink tube 10
It is arranged at intervals with deflection plate 5 and guide plate 6.
What housing 1 was stretched into described steam inlet 11 is internally provided with cushioning fender 12；Steam inlet 11 by W.N flange,
Adapter and stiffening ring composition, are the positions of steam entrance in heater.
Described housing 1 does not connect end with bobbin carriage 14 and is provided with ellipse end socket 2.
The supporting plate 3 for being supported and positioning is provided with described U-tube 9.
Described carbon dioxide entrance 13 is connected with bobbin carriage 14 by welding manner.
Stiffening ring 21 is provided with the adapter of described housing 1.
Described guide head 15 is made up of planar rings and blind plate lid, and guide head 15 is connected by bolt and bobbin carriage 14, blind plate
It is middle flange not with holes, for sealing pipe stopper, and planar rings fit the carbon dioxide that leads into along U-shaped
Pipe flows, and prevents from escaping from exit；
The described bottom of housing 1 is provided with saddle free end 17.
The beneficial effects of the utility model：
(1) this heater is using water as heating material, and heat transfer temperature difference is much smaller when being heated than boiler smoke, thus reduces
The irreversibility of feedwater heating process, improves the thermal efficiency of circulation.
(2) simple structure, manufacturing cost are low, cheap, can mix water, the carbon dioxide of various different temperatures,
Improve service life of equipment.
(3) in structure compared with conventional heater, increase the heat transfer area of heater U-tube, improve heat energy utilization
Rate.
(4) operation monitoring workload is small, and U-tube 9 and guide head 15 are mutually isolated by coolant and cooled medium, it is ensured that
Heat the condensate-water polishing of steam.
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 novel high-pressure heater, including housing 1, the described side of housing 1 are provided with bobbin carriage 14,
Be separated into above and below two parts are provided with inside carbon dioxide entrance 13, bobbin carriage 14 at the top of described bobbin carriage 14, and upper part is by leading
It is connected to first 15 with a mouth of pipe of the U-tube 9 inside housing 1, lower part is connected with another mouth of pipe of U-tube 9, manages
The lower end of case 14 is provided with carbon dioxide outlet 16；The top of described housing 1 is provided with steam at carbon dioxide entrance 13
Entrance 11, the described bottom of housing 1 at carbon dioxide outlet 16 away from being provided with condensate outlet 20；The described top of housing 1
Drain 4 is provided with remote carbon dioxide entrance 13；Described housing 1 is provided with leakage fluid dram at carbon dioxide outlet 16
18, the steam inlet 11, condensate outlet 20, drain 4 and leakage fluid dram 18 are not connected with U-tube 9.
What housing 1 was stretched into described steam inlet 11 is internally provided with cushioning fender 12.Steam inlet 11 by W.N flange,
Adapter and stiffening ring composition, are the positions of steam entrance in heater.
Described housing 1 does not connect end with bobbin carriage 14 and is provided with ellipse end socket 2.
The supporting plate 3 for being supported and positioning is provided with described U-tube 9.
Described carbon dioxide entrance 13 is connected with bobbin carriage 14 by welding manner.
Stiffening ring 21 is provided with the adapter of described housing 1.
The described bottom of housing 1 is provided with saddle free end 17.
Described ellipse end socket 2 is mainly carries out sealing function to the coolant in housing 1.
Described housing 1 primarily serves the support and connection to each air inlet, exhaust outlet and U-tube 9 and bobbin carriage 14
Effect.
Described drain 4 is welded by W.N flange, adapter and gusset, can discharge air in hydraulic pressure test,
The gas-liquid for needing to isolate can also be discharged；
Described deflection plate 5 is used for guiding flow of carbon dioxide gas to, extension holdup time of the gas in U-tube 9, from
And gas is fully heated, improve heat exchanger effectiveness；
The described effect of cushioning fender 12 is to prevent steam to be directly flushed to just to the cylinder of entrance or other internals, a side
Face avoids medium erosion, on the one hand avoids generation hot-spot from causing thermal (temperature difference) stress；
The support of housing 1 is responsible in described saddle free end 17, and can slide, and effect is when reducing equipment microstrain
Additional binding, more reduce extra heat stress；
The compactness of the described increase welding of stiffening ring 21.
As shown in Figure 3：Upper, middle and lower in described housing 1 is respectively arranged with pull bar 8, and the top is with
Be provided with the pull bar 8 in portion on long distance sink tube 7, the pull bar 8 at middle part and be provided with short distance sink tube 10, described long distance sink tube 7 with it is short
Deflection plate 5 and guide plate 6 are arranged at intervals between distance sink tube 10.
Described pull bar 8 is used for fixing deflection plate 5 and guide plate 6, and long distance sink tube 7 is enclosed on pull bar 8 with short distance sink tube 10
Synergy determines spacing and position of the deflection plate 5 with guide plate 6.
As shown in Figure 2：Described guide head 15, is made up of, guide head 15 passes through bolt and bobbin carriage planar rings and blind plate lid
14 connections, blind plate is middle flange not with holes, for sealing pipe stopper, and the carbon dioxide that planar rings laminating is led into
Gas flows along U-tube, prevents from escaping from exit.
Operation principle of the present utility model：
This heater is applied to adopt using the high-pressure carbon dioxide heater that carbon dioxide stripping their produces urea
With cylindrical housing, formed with special steel casting, shell upper connects tube sheet as steam inlet 11 with welded flange, is added
The carbon dioxide of heat enters the bobbin carriage side separated from carbon dioxide entrance 13, is flowed into again by the guiding of guide head 15 U-shaped
In pipe 9, the vapor space of the U-tube 9 in heater absorbs the heat of heating steam, and the dioxy of Bottomhole pressure is passed to by tube wall
Change carbon gas, heated two sample changes carbon gas and heated by U-tube 9 finally to flow out from the carbon dioxide outlet 16 of heater.
In order to increase the exothermic coefficient of heating steam, in heater built with deflection plate 5 and steam flow guide plate 6, it makes heating steam be in S
Type flows keeps transversal flow with tube wall.Finally, heating vapour-condensing forms water and flows to the bottom of the vapor space goes out through subcooling condensate
Mouth 20 is discharged.Guide plate 6 also plays the work of fixed U-tube 9 in addition to ensureing carbonated drink and preferably carrying out heat exchange in heater
With to mitigate the vibration of U-tube 9 operationally.
In order to protect tube bank at steam inlet to be damaged from steam flowing erosion, installed additional before the tube bank of steam inlet specially
The cushioning fender 12 of door, with dispersion steam air-flow, reducing impulse force again can be uniformly distributed to steam the various pieces of cylinder.For
Prevent that being heated gas occurs in the heat exchanger tube of heater to vaporize and cause water attack, it is desirable to heated carbon dioxide
Pressure should be higher than that heating steam pressure.In order to keep heat transfer condition good in heater, prevent in heater U-tube 9 and its
His component corrosion and enhancing steam exothermal effect, must install drain 4, be stockpiled with excluding in time in heater on the heaters
Incondensable gas.
Claims (8)
1. a kind of novel high-pressure heater, including housing (1), it is characterised in that described housing (1) side is provided with bobbin carriage
(14) two parts be separated into above and below, are provided with inside carbon dioxide entrance (13), bobbin carriage (14) at the top of described bobbin carriage (14), on
Part is connected by a mouth of pipe of guide head (15) U-tube (9) internal with housing (1), lower part and U-tube (9)
Another mouth of pipe is connected, and bobbin carriage (14) lower end is provided with carbon dioxide outlet (16)；The top of described housing (1) is close to two
Carbonoxide entrance (13) place is provided with steam inlet (11), and described housing (1) bottom is pacified away from carbon dioxide outlet (16) place
Equipped with condensate outlet (20)；Carbon dioxide entrance (13) place is provided with drain (4) at the top of described housing (1)；Institute
The housing (1) stated is provided with leakage fluid dram (18), the steam inlet (11), condensate outlet close to carbon dioxide outlet (16) place
(20), drain (4) and leakage fluid dram (18) are not connected with U-tube (9).
2. a kind of novel high-pressure heater according to claim 1, it is characterised in that upper in described housing (1)
Portion, middle part and bottom are respectively arranged with pull bar (8), the pull bar (8) on the top and bottom and are provided with long distance sink tube (7), in
Short distance sink tube (10) is provided with the pull bar (8) in portion, is arranged at intervals between described long distance sink tube (7) and short distance sink tube (10)
Deflection plate (5) and guide plate (6).
3. a kind of novel high-pressure heater according to claim 1, it is characterised in that stretch described steam inlet (11)
Enter housing (1) is internally provided with cushioning fender (12).
4. a kind of novel high-pressure heater according to claim 1, it is characterised in that described housing (1) and bobbin carriage
(14) end is not connected is provided with ellipse end socket (2).
5. a kind of novel high-pressure heater according to claim 1, it is characterised in that set in described U-tube (9)
It is equipped with the supporting plate (3) for being supported and positioning.
6. a kind of novel high-pressure heater according to claim 1, it is characterised in that described carbon dioxide entrance
(13) it is connected with bobbin carriage (14) by welding manner.
7. a kind of novel high-pressure heater according to claim 1, it is characterised in that the adapter of described housing (1)
Place is provided with stiffening ring (21)；Described guide head (15) is made up of planar rings and blind plate lid, guide head (15) by bolt and
Bobbin carriage (14) is connected, and described blind plate is middle flange not with holes.
8. a kind of novel high-pressure heater according to claim 1, it is characterised in that described housing (1) bottom is set
It is equipped with saddle free end (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621323444.XU CN206440157U (en) | 2016-12-05 | 2016-12-05 | A kind of novel high-pressure heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621323444.XU CN206440157U (en) | 2016-12-05 | 2016-12-05 | A kind of novel high-pressure heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206440157U true CN206440157U (en) | 2017-08-25 |
Family
ID=59646744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621323444.XU Expired - Fee Related CN206440157U (en) | 2016-12-05 | 2016-12-05 | A kind of novel high-pressure heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206440157U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114623695A (en) * | 2022-05-17 | 2022-06-14 | 江苏大吉环保能源大丰有限公司 | Efficient heat exchange equipment for garbage combustion power generation |
-
2016
- 2016-12-05 CN CN201621323444.XU patent/CN206440157U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114623695A (en) * | 2022-05-17 | 2022-06-14 | 江苏大吉环保能源大丰有限公司 | Efficient heat exchange equipment for garbage combustion power generation |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170825 Termination date: 20191205 |