CN206001438U - Synthetic ammonia installation residual neat recovering system - Google Patents
Synthetic ammonia installation residual neat recovering system Download PDFInfo
- Publication number
- CN206001438U CN206001438U CN201620944839.5U CN201620944839U CN206001438U CN 206001438 U CN206001438 U CN 206001438U CN 201620944839 U CN201620944839 U CN 201620944839U CN 206001438 U CN206001438 U CN 206001438U
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- China
- Prior art keywords
- absorber
- oxygen
- eliminating device
- heat
- cold
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 title claims abstract description 32
- 229910021529 ammonia Inorganic materials 0.000 title claims abstract description 16
- 238000009434 installation Methods 0.000 title claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 43
- 239000007789 gas Substances 0.000 claims abstract description 41
- 239000006096 absorbing agent Substances 0.000 claims abstract description 35
- 230000018044 dehydration Effects 0.000 claims abstract description 21
- 238000006297 dehydration reaction Methods 0.000 claims abstract description 21
- 239000002918 waste heat Substances 0.000 claims abstract description 19
- 238000011084 recovery Methods 0.000 claims abstract description 17
- 230000008676 import Effects 0.000 claims abstract description 14
- 238000010612 desalination reaction Methods 0.000 claims abstract description 11
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 5
- 239000001301 oxygen Substances 0.000 claims description 5
- 229910052760 oxygen Inorganic materials 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 239000010819 recyclable waste Substances 0.000 abstract description 2
- 238000006392 deoxygenation reaction Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Degasification And Air Bubble Elimination (AREA)
- Physical Water Treatments (AREA)
Abstract
The utility model is related to a kind of synthetic ammonia installation residual neat recovering system, technical scheme includes the oxygen-eliminating device in synthetic ammonia installation, the oxygen-eliminating device is provided with the cold desalination water inlet being connected with cold desalted water pipeline, the weary gas outlet of heat and feedwater outlet, absorber and waste heat recovery tank are also included, the cold desalination water inlet of the absorber epimere is connected with cold desalted water pipeline through pressure regulator valve, the weary gas outlet containing hot weary import and the heat of oxygen-eliminating device of the absorber hypomere is connected, the heat dehydration outlet of institute's absorber is connected with the heat dehydration import of oxygen-eliminating device through waste heat recovery tank, the top of the absorber is additionally provided with fixed gas outlet, the fixed gas exit sets self-draining valve.The utility model is simple, control simplicity, good reliability, recyclable waste heat, reduction noise, environmentally friendly, energy-saving.
Description
Technical field
The utility model is related to a kind of residual neat recovering system of chemical industry, specifically synthetic ammonia installation waste heat recovery
System.
Background technology
There are a large amount of Lowlevel thermal energies in ammonia synthesizing industry rationally to be utilized, wherein have quite a few be with low pressure
The form of steam is directly discharged to air, and for example boiler supply water deaerating mode adopts thermal type deoxygenation mostly at present, by oxygen-eliminating device
In water be heated to boiling, it is entirely vapor to make gas-liquid surface, then the various gases such as oxygen being dissolved in the water originally will
From water, out, and (referred to as contain hot weary gas) is constantly taken away together with some vapor for loss, so as to reach the purpose of deoxygenation, and
Can ensure that gas is no longer redissolved in water.Steam due to taking unpolluted low pressure saturation in a large number out of containing hot weary gas discharge
Vapour, causes the waste of the energy and the thermal pollution of environment, meanwhile, also bring to production scene when discharging containing hot weary gas different degrees of
Noise pollution.For this problem is solved, it is badly in need of a kind of reliable fashion of searching and the problems referred to above is processed, to make full use of heat
Amount, reduces the use consumption of high-quality steam, reaches nothing discharge, the purpose of pollution-free, energy-conserving and environment-protective.
Content of the invention
The purpose of this utility model is to solve above-mentioned technical problem, provides a kind of simple structure, control easy, reliable
Property good, recyclable waste heat, reduce noise, environmentally friendly, investment and low, the energy-saving synthetic ammonia installation waste heat of operating cost
Recovery system.
The utility model synthetic ammonia installation residual neat recovering system, including the oxygen-eliminating device in synthetic ammonia installation, the oxygen-eliminating device
Cold desalination water inlet, the outlet of hot weary gas and the feedwater outlet being connected with cold desalted water pipeline is provided with, also includes absorber and remaining
Recuperation of heat tank, the cold desalination water inlet of the absorber epimere are connected with cold desalted water pipeline through pressure regulator valve, under the absorber
The weary gas outlet containing hot weary import and the heat of oxygen-eliminating device of section is connected, and the heat dehydration of institute's absorber is exported through waste heat recovery tank and deoxygenation
The heat dehydration import connection of device, the top of the absorber are additionally provided with fixed gas outlet, and the fixed gas exit sets row automatically
Put valve.
The heat dehydration of institute's absorber exports the heat dehydration import through waste heat recovery tank, booster pump and regulating valve and oxygen-eliminating device and connects
Connect.
Using the method for said system it is：Cold desalted water in cold desalted water pipeline is divided into two parts, a part of cold desalination
Water sends into oxygen-eliminating device deoxygenation, and the weary gas outlet of the heat containing hot weary gas through oxygen-eliminating device top produced in oxygen removal process is sent, then through containing
Absorber hypomere is sent in the weary gas import of heat；Another cold desalted water sends into absorber as absorption unit head after pressure regulator valve supercharging
In carry out mass transfer and heat transfer with absorber hypomere containing hot weary gas, inhaled in absorber by cold desalted water containing the waste heat in hot weary gas
Heat dehydration is received and is formed, fixed gas is discharged by the fixed gas outlet of absorber overhead；The heat dehydration is drawn by absorber overhead
Heat dehydration import after collecting through waste heat recovery tank again through oxygen-eliminating device is sent in oxygen-eliminating device and carries out deoxygenation, and the feedwater after deoxygenation is through giving
Water out is discharged.
The temperature of the cold desalted water is 35～40 DEG C.
Another cold desalted water is as 0.5Mpa, 35 DEG C of absorption unit head after pressure regulator valve supercharging.
The temperature of the heat dehydration is 70～85 DEG C.
By oxygen-eliminating device produce directly do not discharge containing hot weary gas, but send into absorber in cold desalted water heat exchange mass transfer,
To make to be absorbed and formed hot taking off containing the waste heat in hot weary gas by cold desalted water in absorber containing the energy recovery in hot weary gas
Water, heat dehydration are sent back to again except oxygen device deoxygenation after the collection of waste heat recovery tank, while eliminating on-site noise pollution to greatest extent；Inhale
Receive the cold desalted water as unit head of the unit head from another supercharging of device.The heat energy of recovery has from being used in system
Energy-saving advantage, the weary tolerance that the consumption of the cold desalted water of described another part is discharged according to oxygen-eliminating device controlling, with abundant
Reclaim the heat energy in weary gas.The temperature for controlling the cold desalted water is 35～40 DEG C, the temperature of heat dehydration after heat exchange in absorber
Spend for 70～85 DEG C, cold and hot desalination water temperature difference is too high to cause weary gas waste heat ability not enough, too low can cause weary gas UTILIZATION OF VESIDUAL HEAT IN
Deficiency, and then system is adversely affected.
The utility model is used for supporting the use with synthetic ammonia installation, and process is simple, control are easy, equipment investment and run into
This is low, solves that the on-site noise that brings containing hot weary gas discharge is big, the problems such as environmental pollution, energy consumption are big, at utmost can save
About and recycle water resource, the utility model device can whole closed recovery utilize, automatic operating, larger in water consumption
There will be good application space in the enterprise of the high energy consumptions such as Coal Chemical Industry, generating.
Description of the drawings
Fig. 1 is the utility model system diagram.
Wherein, the cold desalted water pipeline of 1-；2- oxygen-eliminating device；3- pressure regulator valve, 4- self-draining valve；5- regulating valve；6- absorber；
7- waste heat recovery tank；8- booster pump.
Specific embodiment
Below in conjunction with the accompanying drawings explanation is further explained to this transmitting apparatus：
Referring to Fig. 1, cold desalted water pipeline 1 respectively with the cold desalination water inlet of oxygen-eliminating device in synthetic ammonia installation 2 and through pressure regulation
Valve is connected with the cold desalination water inlet of 6 epimere of absorber, and the weary gas outlet of the heat of the oxygen-eliminating device 2 is with 6 hypomere of absorber containing heat
Weary import connection, 6 top of the absorber are additionally provided with fixed gas outlet, and the fixed gas exit sets self-draining valve 4.Inhaled
The heat dehydration outlet for receiving 6 bottom of device is connected with the heat dehydration import of oxygen-eliminating device 2 through waste heat recovery tank 7, booster pump 8 and regulating valve 5.
Technical process：
Cold desalted water (temperature is 35～40 DEG C) in cold desalted water pipeline 1 is divided into two parts, and a part of cold desalted water send
Enter 2 deoxygenation of oxygen-eliminating device, the weary gas outlet of the heat containing hot weary gas through 2 top of oxygen-eliminating device produced in oxygen removal process is sent, then through containing heat
6 hypomere of absorber is sent in weary gas import；Another cold desalted water is as 0.5Mpa, 35 DEG C of absorption power after the supercharging of pressure regulator valve 3
What cold desalination water inlet sent into 6 epimere of absorber and absorber hypomere carries out reverse contact mass transfer and heat transfer containing hot weary gas, contains
Waste heat in the weary gas of heat is absorbed in absorber 6 by cold desalted water and forms heat dehydration (70～85 DEG C), and fixed gas can be through absorbing
The self-draining valve 4 of 6 top fixed gas outlet of device is discharged；The heat dehydration is received through waste heat recovery tank 7 by 6 Base top contact of absorber
Heat dehydration import after collection again through oxygen-eliminating device 2 is sent in oxygen-eliminating device 2 and carries out deoxygenation, and the feedwater after deoxygenation is discharged through feedwater outlet
Boiler feed pump is used for the personal of synthetic ammonia installation.
Synthetic ammonia installation can be made to reduce waste heat loss more than 90% using the utility model method, on-site noise is by 90 decibels
Less than 50 decibels are dropped to, environmentally friendly, economically feasible, it is suitable for sustainable economic development.
Claims (2)
1. a kind of synthetic ammonia installation residual neat recovering system, including the oxygen-eliminating device in synthetic ammonia installation, the oxygen-eliminating device be provided with cold
The cold desalination water inlet of desalted water pipeline connection, the outlet of hot weary gas and feedwater outlet, it is characterised in that also include absorber and
Waste heat recovery tank, the cold desalination water inlet of the absorber epimere are connected with cold desalted water pipeline through pressure regulator valve, the absorber
The outlet containing hot weary import and the heat of oxygen-eliminating device weary gas of hypomere be connected, the heat dehydration of institute's absorber export through waste heat recovery tank with remove
The heat dehydration import connection of oxygen device, the top of the absorber are additionally provided with fixed gas outlet, and the fixed gas exit sets automatically
Drain valve.
2. synthetic ammonia installation residual neat recovering system as claimed in claim 1, it is characterised in that the heat dehydration outlet of institute's absorber
It is connected with the heat dehydration import of oxygen-eliminating device through waste heat recovery tank, booster pump and regulating valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620944839.5U CN206001438U (en) | 2016-08-25 | 2016-08-25 | Synthetic ammonia installation residual neat recovering system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620944839.5U CN206001438U (en) | 2016-08-25 | 2016-08-25 | Synthetic ammonia installation residual neat recovering system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206001438U true CN206001438U (en) | 2017-03-08 |
Family
ID=58197119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620944839.5U Active CN206001438U (en) | 2016-08-25 | 2016-08-25 | Synthetic ammonia installation residual neat recovering system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206001438U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107152671A (en) * | 2017-05-17 | 2017-09-12 | 灵谷化工有限公司 | A kind of recovery process for synthesizing low taste heat in ammonia urea production process |
-
2016
- 2016-08-25 CN CN201620944839.5U patent/CN206001438U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107152671A (en) * | 2017-05-17 | 2017-09-12 | 灵谷化工有限公司 | A kind of recovery process for synthesizing low taste heat in ammonia urea production process |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |