CN209630660U - A kind of urea parsing condenser - Google Patents
A kind of urea parsing condenser Download PDFInfo
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- CN209630660U CN209630660U CN201920199615.XU CN201920199615U CN209630660U CN 209630660 U CN209630660 U CN 209630660U CN 201920199615 U CN201920199615 U CN 201920199615U CN 209630660 U CN209630660 U CN 209630660U
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Abstract
The utility model provides a kind of urea parsing condenser, including shell, the end socket positioned at shell both ends, the heat exchanger tube positioned at enclosure interior.Shell is equipped with inlet and outlet, is respectively equipped with condensed water water inlet and condensed water water outlet on the end socket at shell both ends.Import on shell is connect with gas outlet at the top of urea Analytic Tower, and the outlet on shell is connect with resolution gas phase-separating device.When installation, condenser is obliquely installed horizontal by 0 ~ 30 °, is equipped with leakage fluid dram on shell and close to condensed water water inlet one end, leakage fluid dram is condensate in the intracorporal aqueous of shell for being discharged.The utility model has the advantages that structure is simple, long service life, is hardly damaged, the cycle of operation is long, saves cost.
Description
Technical field
The utility model relates to urea analyzing device technical fields more particularly to a kind of urea to parse condenser.
Background technique
Heat exchanger, which is also known as heat exchanger its development, last 100 years history, is to realize that heat is handed in chemical production process
The indispensable equipment changed and transmitted, is widely used in petroleum, chemical industry, metallurgy, central heating, refrigeration air-conditioner, machinery, food
The fields such as product, pharmacy are mainly used for heating, cooling, condensation, evaporation of fluid or gas etc..
The organic compound that urea (alias carbonyl diamide, carbamide, urea) is made of four kinds of carbon, nitrogen, oxygen, hydrogen elements
Object, chemical formula CON2H4、(NH2)2CO or CN2H4O.The artificial synthesized organic compound of urea is white crystal or powder
End is typically used as the nitrogenous fertilizer of plant.It is usually industrially raw material with liquefied ammonia and carbon dioxide, is directly closed under high-temperature and high-pressure conditions
At urea, chemically react as follows: 2NH3+CO2 → NH2COONH4 → CO(NH2)2+H2O.Urea production process can substantially divide
For water solution total cycling method and CO2 air- extraction.CO2 air- extraction is directly to recycle condensed liquid in urea preparing process, technique mistake
Cheng Shi: process condensate, by the hydrolysis of urea in technique lime set, resolves to NH through 425 DEG C of high steam3、CO2, vapor
Mixed gas.Mixed gas temperature with higher is parsed, mixed gas is analytically discharged at tower upper outlet, condenses through parsing
It is recycled after device condensation.
Condenser is one kind of heat exchanger, for gas or steam to be transformed into liquid.In production, condenser is parsed
It frequently breaks down, such as: tubulation rupture leads to tubulation leak in heat exchanger, forces stop production to overhaul.Equipment is frequently overhauled, not only
The efficiency for reducing generation, extends into the period of production, also considerably increases the cost of product.
Meanwhile the tubulation in existing condenser is the tubulation of same size, it is in condenser in use, cold in every tubulation
The flow velocity of condensate is all the same.When condensation, the gaseous mixture or fluid of high temperature first carry out heat exchange, gaseous mixture or fluid through top tubulation
Temperature be greatly reduced, through lower part tubulation carry out heat exchange so that gaseous mixture or fluid temperature (F.T.) further decrease.If tubulation
Specification it is identical, condensed water may not make full use of wasting problem.
In view of this, it is necessary to which the condenser for the Mixed Gas Condensation that urea in the prior art parsing generates is changed
Into to solve the above problems.
Summary of the invention
The purpose of this utility model is to provide NH after a kind of parsing of urea3、CO2, vapor mixed gas condenser,
When production in the condenser, condensed water can uniformly pass through slowly each tubulation, will not be because temperature is uneven between tubulation, answers
Power is excessive, and to cause tubulation to be pullled disconnected.By the use of the utility model condenser, the service life of condenser is extended, is reduced
The repair rate of condenser improves the operation week of condenser, improves production efficiency, reduce production cost.
Realize that the technical solution of the utility model aim is as follows: a kind of urea parses condenser, including shell, is located at shell
The end socket at both ends, the heat exchanger tube positioned at enclosure interior.Shell is equipped with inlet and outlet, is respectively equipped on the end socket at shell both ends
Condensed water water inlet and condensed water water outlet.Import on shell is connect with gas outlet at the top of urea Analytic Tower, going out on shell
Mouth is connect with resolution gas phase-separating device.In production, in order to make all to be passed through condensed water in condenser heat-exchange pipes, heat exchanger tube is prevented
There is no water in middle part heat exchanging pipe, makes heat exchanger tube because non-uniform temperature generates stress, lead to the tube damage that exchanges heat.It is cold when installation
Condenser is obliquely installed horizontal by 0 ~ 30 °.Condenser is obliquely installed, NH3、CO2, vapor heat transfer of mixture gas condensation after, it is low
The NH of temperature3、CO2, part vapor be discharged through outlet, part vapor is condensed into aqueous and flows down along enclosure interior and accumulate in shell
In vivo, therefore, it is equipped with leakage fluid dram on shell and close to condensed water water inlet one end, leakage fluid dram is condensate in shell for being discharged
Aqueous.
Further, end socket includes the first end socket, the second end socket.It is equipped with condensed water water inlet in the middle part of second end socket, second
End socket is fixed on the shell of inlet end by flange.Condensed water is passed through simultaneously through the condensed water water inlet on the second end socket
Into in heat exchanger tube, after condensed water uniformly passes through each section of heat exchanger tube, into the second end socket in from the second end socket
The discharge of condensed water water outlet.To guarantee there is condensed water in the heat exchanger tube of second end socket one end, prevent close to the second end socket not
Heat exchanger tube can be caused to rupture because there is no condensed water.It is discharged between top equipped with condensed water at the middle part of the first end socket
Mouthful, the first end socket is fixed on the shell of exit end by flange.
Preferably, condenser is obliquely installed horizontal by 3 ~ 10 °, and condenser is obliquely installed horizontal by 3 ~ 10 °,
On the one hand can guarantee that each heat exchanging pipe has condensed water in heat exchanger tube, on the other hand can make in heat exchanger tube condensed water with
NH3、CO2, be discharged after vapor mixed gas heat exchange in time.If the tilt angle of condenser setting is too small, there is also
There is the case where evaporated condensation water in heat exchanger tube inner part heat exchanging pipe, will cause the destruction of condenser pipe；If condenser setting
Tilt angle is excessive, then the reduction of condensation flow speed occurs, not in time, the condensation efficiency of mixed gas is lower for mixed gas heat exchange
The problem of, if to guarantee to mix other cooling effects, need to increase condensed water is passed through pressure to improve condensation flow
Speed is also increased with water cost, improves the equipment pressure of condensation water process so that the dosage of condensed water increases significantly.
Further, heat exchanger tube is single tube journey heat exchanger tube, is made of several heat exchanging pipe assembled arrangements, such as equilateral triangle
It arranges, Heterogeneous Permutation between each pipe, the end of multiple heat exchanging pipes is fixedly connected by tube sheet.NH3、CO2, vapor gaseous mixture
When body condenses, the import through upper part of the housing enters, and carries out heat exchange with the top heat exchanging pipe of heat exchanger tube first, then change with lower part
Hot tubulation carries out heat exchange, it is therefore desirable to improve the flow velocity of condensed water in the heat exchanging pipe of top, reduce in the heat exchanging pipe of lower part
Condensed water flow velocity, admittedly make the caliber of the top heat exchanging pipe of heat exchanger tube less than the caliber of lower part heat exchanging pipe.
Further, in order to improve the hardness of heat exchanging pipe, the service life of heat exchanging pipe is improved, heat exchanging pipe is carbon steel
Pipe or stainless steel tube.
Preferably, heat exchanging pipe is corrugated stainless steel tubing, and bellows has elasticity, slight deformation can occur when heated,
Because temperature unevenness generates stress during absorption heat-exchange, prevent heat exchanging pipe stress from causing to destroy greatly.
Compared with prior art, the utility model has the beneficial effects that
1. condenser is obliquely installed, and condensed water water outlet is arranged between the middle part of end socket and top, it is ensured that
Each heat exchanging pipe has condensed water to pass through in heat exchanger tube in condenser, avoids because part heat exchanger tube is without coolant-temperature gage unevenness
The case where generating higher stress, heat exchanger tube caused to rupture.
2. the caliber of the top tubulation of heat exchanger tube is less than the caliber of lower part tubulation, NH3, CO2, vapor gaseous mixture can be improved
The cooling efficiency of body, improves the service efficiency of condensed water, reduces the dosage of condensed water.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model condenser；
Fig. 2 is the sectional view of heat exchanger tube in the utility model；
Wherein, 1. shell；2. import；3. outlet；4. condensed water water inlet；5. condensed water water outlet；6. leakage fluid dram；7. the
One end socket；8. the second end socket；9. heat exchanging pipe；10. urea Analytic Tower；11. resolution gas phase-separating device.
Specific embodiment
The utility model is described in detail in each embodiment shown in reference to the accompanying drawing, but it should be stated that,
These embodiments are not limitation of the utility model, those of ordinary skill in the art according to these embodiments made by function
Energy, method or equivalent transformation or substitution in structure, belong within the protection scope of the utility model.
In the description of the present embodiment, it is to be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description the invention and simplifies description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For the limitation to the invention.
In addition, term " first ", " second ", " third " etc. are used for description purposes only, it is not understood to indicate or imply
Relative importance or the quantity for implicitly indicating indicated technical characteristic.The feature of " first ", " second " etc. is defined as a result,
It can explicitly or implicitly include one or more of the features.In the description of the invention, unless otherwise indicated,
The meaning of " plurality " is two or more.
Term " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, be also possible to removable
Connection is unloaded, or is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be in
Between medium be indirectly connected, can be the connection inside two elements.For the ordinary skill in the art, can pass through
Concrete condition understands concrete meaning of the above-mentioned term in the invention.
Embodiment 1:
It please join shown in Fig. 1, the present embodiment is that a kind of urea parses condenser, and in the present embodiment, condenser includes shell
Body 1 offers fluid inlet 2 and outlet 3 on shell 1, is connected with the second envelope in 1 end flange of shell close to 2 side of import
First 8, the first end socket 7 is connected in 1 end flange of shell close to 2 sides of outlet.The middle part of first end socket 7 offers condensed water
The middle part of water outlet 5, the second end socket 8 offers condenser water inlet 4.It is set on shell 1 and close to 8 one end of condensed water water inlet
There are leakage fluid dram 6, leakage fluid dram 6 and 3 ipsilateral settings of outlet, leakage fluid dram 6 is equipped with ball valve, and leakage fluid dram 6 will be condensate in the water in shell 1
Liquid discharge.
Wherein, heat exchanger tube is equipped in shell 1, heat exchanger tube is formed by multiple stainless steel heat exchanging pipes 9 by equilateral triangle arrangement,
The both ends of multiple stainless steel heat exchanging pipes 9 are connected by tube sheet.
Condenser is installed after assembling, and the import 2 of condenser is connect with urea Analytic Tower 10, the outlet 3 of condenser
Connect with resolution gas phase-separating device 11, and the angle [alpha] between condenser and ground be in 5 ° ± 2 °, i.e. the second end socket 8, shell 1,
The line of centres of first end socket, 7 three and the angle on ground are α.The condensed water water inlet 4 and condensed water water outlet 5 of condenser with
Cooling circulating water connection.
Embodiment 2:
It please join shown in Fig. 1, the urea parsing condenser of the present embodiment is further to be changed on the basis of embodiment 1
Into.
In the present embodiment, condenser includes shell 1, and shell 1 is equipped with expansion joint, and offers fluid on shell 1
Import 2 and outlet 3 are connected with the second end socket 8 in 1 end flange of shell close to 2 side of import, close to 2 sides of outlet
1 end flange of shell is connected with the first end socket 7.The middle part position on the upper side of first end socket 7 is (i.e. middle part to top center, including the
The top of one end socket) condensed water water outlet 5 is offered, the middle part of the second end socket 8 offers condenser water inlet 4.On shell 1
And leakage fluid dram 6, leakage fluid dram 6 and 3 ipsilateral settings of outlet are equipped with close to 8 one end of condensed water water inlet, leakage fluid dram 6 is equipped with ball valve,
The aqueous being condensate in shell 1 is discharged leakage fluid dram 6.
Wherein, heat exchanger tube is equipped in shell 1, heat exchanger tube is single tube journey heat exchanger tube, and heat exchanger tube is exchanged heat by multiple 10# carbon steels and arranged
9 Heterogeneous Permutation of pipe is formed, and the both ends of multiple 10# carbon steel heat exchanging pipes 9 are connected by tube sheet.
Condenser is installed after assembling, and the import 2 of condenser is connect with urea Analytic Tower 10, the outlet 3 of condenser
It is connect with resolution gas phase-separating device 11, and the angle [alpha] between condenser and ground is in 25 ° ± 2 °, i.e. the second end socket 8, shell
1, the angle on the line of centres of 7 three of the first end socket and ground is α.The condensed water water inlet 4 and condensed water water outlet 5 of condenser
It is connect with cooling circulating water.
Embodiment 3:
It please join Fig. 1, shown in 2, the urea parsing condenser of the present embodiment is to do on the basis of embodiment 1 and embodiment 2
It is further to improve.
In the present embodiment, condenser includes shell 1, and shell 1 is equipped with expansion joint, and offers fluid on shell 1
Import 2 and outlet 3 are connected with the second end socket 8 in 1 end flange of shell close to 2 side of import, close to 2 sides of outlet
1 end flange of shell is connected with the first end socket 7.The top of first end socket 7 offers condensed water water outlet 5, in the second end socket 8
Portion offers condenser water inlet 4.On shell 1 and close to 8 one end of condensed water water inlet be equipped with leakage fluid dram 6, leakage fluid dram 6 with go out
3 ipsilateral settings of mouth, leakage fluid dram 6 are equipped with ball valve, and the aqueous being condensate in shell 1 is discharged leakage fluid dram 6.
Wherein, heat exchanger tube is equipped in shell 1, heat exchanger tube is single tube journey heat exchanger tube, and heat exchanger tube is by multiple corrugated stainless steel tubings
The heat exchanging pipe 9 of material is formed according to equilateral triangle arrangement, and the both ends of the heat exchanging pipe 9 of multiple corrugated stainless steel tubing materials pass through
Tube sheet connects.
Wherein, the top tubulation of heat exchanger tube is smaller than the caliber of lower part tubulation, and the caliber of top tubulation is than lower part tubulation
The small 0.5 ~ 2cm of caliber.
Condenser is installed after assembling, and the import 2 of condenser is connect with urea Analytic Tower 10, the outlet 3 of condenser
It is connect with resolution gas phase-separating device 11, and the angle [alpha] between condenser and ground is in 10 ° ± 2 °, i.e. the second end socket 8, shell
1, the angle on the line of centres of 7 three of the first end socket and ground is α.The condensed water water inlet 4 and condensed water water outlet 5 of condenser
It is connect with cooling circulating water.
The working principle of the condenser of embodiment 1 ~ 3 and operating process are:
1. condenser is installed, condenser is tiltedly mounted on to the top of urea Analytic Tower 10, and the height of the second end socket 8 is low
In the height of the first end socket 7；
2. condensation cycle water is passed through through the second end socket 8, into inside the heat exchanging pipe 9 of heat exchanger tube, then through the first end socket 7
Middle part is discharged between top；
3. by urea Analytic Tower high-temperature gas or fluid by pipeline be passed through import 2 enter shell 1 inside, through with
Condensed water in heat exchanging pipe 9 carries out heat exchange and cools down, and cryogenic gas or fluid are through 3 discharge of outlet.There is portion in shell 1
It under 1 inside stream of shell and is gathered after the condensation of point aqueous, the working time will be gathered every certain time by the ball valve on leakage fluid dram 6
Aqueous discharge.
Tool of the series of detailed descriptions listed above only for the feasible embodiment of the utility model
Body explanation, they are all without departing from made by the utility model skill spirit not to limit the protection scope of the utility model
Equivalent implementations or change should be included within the scope of protection of this utility model.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (6)
1. a kind of urea parses condenser, including shell (1), positioned at the end socket at shell (1) both ends, inside shell (1)
Heat exchanger tube, shell (1) are equipped with import (2) and outlet (3), are respectively equipped with condensed water water inlet on the end socket at shell (1) both ends
(4) and condensed water water outlet (5)；Import (2) on shell (1) is connect with gas outlet at the top of urea Analytic Tower (10), shell (1)
On outlet (3) connect with resolution gas phase-separating device (11), it is characterised in that: when installation, condenser is horizontal by 0 ~ 30 °
It is obliquely installed, is equipped with leakage fluid dram (6) on the shell (1) and close to described condensed water water inlet (4) one end, the leakage fluid dram
(6) for the aqueous being condensate in the shell (1) to be discharged.
2. a kind of urea according to claim 1 parses condenser, it is characterised in that: the end socket includes the first end socket
(7), the second end socket (8), the middle part of first end socket (7) is to being equipped with the condensed water water outlet (5) between top, and described the
One end socket (7) is fixed on the shell (1) of described outlet (3) one end by flange；Second end socket (8) is equipped with institute
It states condensed water water inlet (4), second end socket (8) is fixed on the shell (1) close to the import (2) one end by flange
On.
3. a kind of urea according to claim 2 parses condenser, it is characterised in that: the condenser horizontal by 3 ~
10 ° are obliquely installed.
4. a kind of urea according to claim 1 parses condenser, it is characterised in that: the heat exchanger tube is the heat exchange of single tube journey
Under pipe, is made of several heat exchanging pipe (9) assembled arrangements, and the caliber of the top heat exchanging pipe (9) of the heat exchanger tube is less than
The caliber of portion's heat exchanging pipe (9).
5. a kind of urea according to claim 4 parses condenser, it is characterised in that: the heat exchanging pipe (9) is carbon steel
Pipe or stainless steel tube.
6. a kind of urea according to claim 5 parses condenser, it is characterised in that: the heat exchanging pipe (9) is stainless
Corrugated steel pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920199615.XU CN209630660U (en) | 2019-02-15 | 2019-02-15 | A kind of urea parsing condenser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920199615.XU CN209630660U (en) | 2019-02-15 | 2019-02-15 | A kind of urea parsing condenser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209630660U true CN209630660U (en) | 2019-11-15 |
Family
ID=68493403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920199615.XU Active CN209630660U (en) | 2019-02-15 | 2019-02-15 | A kind of urea parsing condenser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209630660U (en) |
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2019
- 2019-02-15 CN CN201920199615.XU patent/CN209630660U/en active Active
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