CN203715291U - Warming system with temperature regulating valve in synthetic ammonia reaction process - Google Patents
Warming system with temperature regulating valve in synthetic ammonia reaction process Download PDFInfo
- Publication number
- CN203715291U CN203715291U CN201420090096.0U CN201420090096U CN203715291U CN 203715291 U CN203715291 U CN 203715291U CN 201420090096 U CN201420090096 U CN 201420090096U CN 203715291 U CN203715291 U CN 203715291U
- Authority
- CN
- China
- Prior art keywords
- control valve
- waste heat
- branch line
- interchanger
- heat boiler
- Prior art date
- 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.)
- Expired - Fee Related
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model relates to a warming system with a temperature regulating valve in a synthetic ammonia reaction process. The warming system comprises a gas storage cabinet, a tower front preheater, a synthetic ammonia reaction tower main body and a waste heat boiler heat exchanger, wherein a first control valve is connected with the gas storage cabinet; the outlet of the first control valve is branched into a first branch line and a second branch line; a binary gas temperature regulating valve is added on the second preheat gas branch line, and is connected to the lower section of the synthetic ammonia reaction tower main body through a binary gas temperature regulating output pipeline; the waste heat temperature regulating valve is added on the output branch line of the waste heat boiler heat exchanger. According to the warming system, the temperature of a reactor entering the lower section of the synthetic ammonia reaction tower main body can achieve the optimal reacting temperature according to process requirements by adding the waste heat temperature regulating valve; and the axial temperature of the synthetic ammonia reaction tower main body tends to the most appropriate temperature curve by adding the binary gas temperature regulating valve, and the technical problem that the temperature of the upper side of the reactor of a synthetic tower in the existing device is high while the temperature of the lower side is low can be solved.
Description
Technical field
The utility model relates to reaction tower heat riser technical field in ammonia synthesis process, particularly in a kind of ammonia synthesis reaction technique with the temperature elevation system of heat control valve.
Background technology
Existing synthetic ammonia installation is when large load operation; conventionally there will be synthetic tower inner catalyst temperature epimere to be unable to lift; and the abnormality of the super default technological temperature of synthetic tower hypomere temperature, what had a strong impact on system causes the driving cycle long then, has a strong impact on synthesis ammonia system capable.By existing synthetic ammonia installation is analyzed, find that major cause is that to enter the temperature of reaction of synthetic tower on the low side, does not reach due to processing requirement.
Summary of the invention
The purpose of this utility model is, in existing synthetic ammonia installation, synthetic tower inner catalyst temperature epimere is unable to lift, the super default technological temperature of synthetic tower hypomere temperature, both temperature does not reach the technical problem of ammonia synthesis process requirement temperature but in tower, and the temperature elevation system with heat control valve is provided in a kind of ammonia synthesis reaction technique.
The utility model is achieved through the following technical solutions:
In a kind of ammonia synthesis reaction technique with the temperature elevation system of heat control valve, it is characterized in that, structure comprises storage gas holder (1), the front preheater (2) of tower, ammonia synthesis reaction tower main body (3) and waste heat boiler interchanger (4), described storage gas holder (1) is connected with the first control valve (5), and the first control valve (5) outlet branches out the first branch line (501) and the second branch line (502), described the first branch line (501) is connected to the front preheater (2) of tower, described the second branch line (502) is connected to the second control valve (6), and is connected to ammonia synthesis reaction tower main body (3) epimere by the second control valve export pipeline (601), before described tower, preheater (2) is connected with preheating gas storage-out bus (201), there are the first preheating gas branch line (202) and the second preheating gas branch line (203) in preheating gas storage-out bus (201) branch, the first preheating gas branch line (202) is connected to the 3rd control valve (7), the 3rd control valve (7) output terminal is connected with the 3rd control valve export pipeline (701), and the 3rd control valve export pipeline (701) crosses and is connected to ammonia synthesis reaction tower main body (3) epimere with the second control valve export pipeline (601), upper the increasing of described the second preheating gas branch line (203) has two air inlet heat control valves (8), two air inlet heat control valves (8) are connected to ammonia synthesis reaction tower main body (3) hypomere by two air inlet heat control valve export pipelines (801), described ammonia synthesis reaction tower main body (3) is connected to waste heat boiler interchanger (4) gas feed by waste heat boiler interchanger storage-in bus (301), waste heat boiler interchanger (4) pneumatic outlet is provided with waste heat boiler interchanger storage-out bus (401), by waste heat boiler interchanger storage-out bus (401), be connected to the front preheater (2) of tower.
Further, upper the increasing of described waste heat boiler interchanger storage-in bus (301) has waste heat boiler interchanger input branch line (302), waste heat boiler interchanger input branch line (302) is without waste heat boiler interchanger (4), and direct and waste heat boiler interchanger storage-out bus (401) is connected to the front preheater (2) of tower.
Further, upper the increasing of described waste heat boiler interchanger input branch line (302) has used heat heat control valve (9).
Compared with prior art, the beneficial effects of the utility model are:
The utility model is on waste heat boiler interchanger input branch line (302), be to increase and have used heat heat control valve (9) between (4) gas feed of waste heat boiler interchanger and waste heat boiler interchanger (4) pneumatic outlet, make the high-temperature gas that enters waste heat boiler interchanger (4) by this temperature adjustment control valve, to improve into the gas temperature of preheater (2) before tower, then the temperature of reactor that makes to enter ammonia synthesis reaction tower main body (3) hypomere, reaches optimal reaction temperature according to processing requirement;
In addition, the utility model is by increasing by two air inlet heat control valves (8), make ammonia synthesis reaction tower main body (3) the axial temperature optimal temperature curve that becomes, solve in existing apparatus height on synthetic tower temperature of reactor and bend down, be unfavorable for the technical problem of Ammonia Production.
Accompanying drawing explanation
Fig. 1 is with the temperature elevation system structural representation of heat control valve in the utility model ammonia synthesis reaction technique.
Embodiment
Consulting 1 pair of the utility model of accompanying drawing is described further.
The utility model relates in a kind of ammonia synthesis reaction technique the temperature elevation system with heat control valve, it is characterized in that, structure comprises storage gas holder (1), the front preheater (2) of tower, ammonia synthesis reaction tower main body (3) and waste heat boiler interchanger (4), described storage gas holder (1) is connected with the first control valve (5), and the first control valve (5) outlet branches out the first branch line (501) and the second branch line (502), described the first branch line (501) is connected to the front preheater (2) of tower, described the second branch line (502) is connected to the second control valve (6), and is connected to ammonia synthesis reaction tower main body (3) epimere by the second control valve export pipeline (601), before described tower, preheater (2) is connected with preheating gas storage-out bus (201), there are the first preheating gas branch line (202) and the second preheating gas branch line (203) in preheating gas storage-out bus (201) branch, the first preheating gas branch line (202) is connected to the 3rd control valve (7), the 3rd control valve (7) output terminal is connected with the 3rd control valve export pipeline (701), and the 3rd control valve export pipeline (701) crosses and is connected to ammonia synthesis reaction tower main body (3) epimere with the second control valve export pipeline (601), upper the increasing of described the second preheating gas branch line (203) has two air inlet heat control valves (8), two air inlet heat control valves (8) are connected to ammonia synthesis reaction tower main body (3) hypomere by two air inlet heat control valve export pipelines (801), described ammonia synthesis reaction tower main body (3) is connected to waste heat boiler interchanger (4) gas feed by waste heat boiler interchanger storage-in bus (301), waste heat boiler interchanger (4) pneumatic outlet is provided with waste heat boiler interchanger storage-out bus (401), by waste heat boiler interchanger storage-out bus (401), be connected to the front preheater (2) of tower.
Preferably, as improvement, upper the increasing of described waste heat boiler interchanger storage-in bus (301) has waste heat boiler interchanger input branch line (302), waste heat boiler interchanger input branch line (302) is without waste heat boiler interchanger (4), and direct and waste heat boiler interchanger storage-out bus (401) is connected to the front preheater (2) of tower.
Preferably, as improvement, upper the increasing of described waste heat boiler interchanger input branch line (302) has used heat heat control valve (9).
The utility model is on waste heat boiler interchanger input branch line (302), be to increase and have used heat heat control valve (9) between (4) gas feed of waste heat boiler interchanger and waste heat boiler interchanger (4) pneumatic outlet, make the high-temperature gas that enters waste heat boiler interchanger (4) by this temperature adjustment control valve, to improve into the gas temperature of preheater (2) before tower, then the temperature of reactor that makes to enter ammonia synthesis reaction tower main body (3) hypomere, reaches optimal reaction temperature according to processing requirement;
In addition, the utility model is by increasing by two air inlet heat control valves (8), make ammonia synthesis reaction tower main body (3) the axial temperature optimal temperature curve that becomes, solve in existing apparatus height on synthetic tower temperature of reactor and bend down, be unfavorable for the technical problem of Ammonia Production.
While utilizing the utility model to carry out ammonia synthesis reaction, nitrogen after separating of oil and hydrogen storage are in storing gas holder (1), the mol ratio of nitrogen and hydrogen is 1:3, the flow that is stored in storage gas holder nitrogen hydrogen mixeding gas is received the first control valve (5) control, after the first control valve (5) is opened, the nitrogen hydrogen mixeding gas being mixed in proportion enters the first branch line (501) and the second branch line (502) via the first control valve (5).The nitrogen hydrogen mixeding gas that enters the second branch line (502) directly enters ammonia synthesis reaction tower main body (3) epimere through the second control valve (6) and the second control valve export pipeline (601) successively; The nitrogen hydrogen mixeding gas that enters the first branch line (501) continues to move forward into the front preheater (2) of tower, in preheater before tower (2), after heating, enter preheating gas storage-out bus (201), then successively via a preheating gas branch line (202), the 3rd control valve (7) and the 3rd control valve export pipeline (701), cross with the second control valve export pipeline (601), and be finally delivered to ammonia synthesis reaction tower main body (3) epimere; Portion gas by preheating gas storage-out bus (201) output enters ammonia synthesis reaction tower main body (3) hypomere via the second preheating gas branch line (203), two air inlet heat control valves (8) and two air inlet heat control valve export pipelines (801).
The utility model is provided with waste heat boiler interchanger storage-in bus (301) between ammonia synthesis reaction tower main body (3) and waste heat boiler interchanger (4) import, before (4) import of heat boiler interchanger and tower, between preheater (2) lower inlet, be provided with waste heat boiler interchanger storage-out bus (401), preheater (2) before ammonia synthesis reaction tower main body (3), waste heat boiler interchanger (4) and tower is communicated with successively, and ammonia synthesis reaction tower main body (3) high-temperature gas out enters the front preheater (2) of tower after via heat boiler interchanger (4) heat exchange; Simultaneously, upper the increasing of waste heat boiler interchanger storage-in bus (301) has waste heat boiler interchanger input branch line (302), waste heat boiler interchanger input branch line (302) is without waste heat boiler interchanger (4), and direct and waste heat boiler interchanger storage-out bus (401) is connected to the front preheater (2) of tower.
Upper the increasing of waste heat boiler interchanger input branch line (302), there is used heat heat control valve (9), (4) gas feed of waste heat boiler interchanger and waste heat boiler interchanger (4) pneumatic outlet are directly communicated with, make the part high-temperature gas that enters waste heat boiler interchanger (4) without waste heat boiler interchanger (4), directly by used heat heat control valve (9), to improve into the gas temperature of preheater (2) before tower, then the temperature of reactor that makes to enter ammonia synthesis reaction tower main body (3) hypomere, reaches optimal reaction temperature according to processing requirement;
Native system is in the initial start-up heating reduction phase, two air inlet heat control valves (8) and used heat heat control valve (9) can be opened greatly, make the thermal load producing not shift out outside system, during hanging electric furnace, open large two air inlet heat control valves (8) as far as possible, to guarantee electric furnace safety, when heating up, finish after normal operation input, according to producing to load, regulate the open degree of two air inlet heat control valves (8) and used heat heat control valve (9), make it to reach the optimum temperature range of synthetic tower catalyst reaction temperatures, make the ammonia net value in synthetic tower exit gas higher, thereby reach maximum productivity and energy-saving and cost-reducing object.
The above; it is only preferably embodiment of the utility model; but protection domain of the present utility model is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; according to the technical solution of the utility model and utility model design thereof, be equal to replacement or changed, within all should being encompassed in protection domain of the present utility model.
Claims (3)
- In an ammonia synthesis reaction technique with the temperature elevation system of heat control valve, it is characterized in that, structure comprises storage gas holder (1), the front preheater (2) of tower, ammonia synthesis reaction tower main body (3) and waste heat boiler interchanger (4), described storage gas holder (1) is connected with the first control valve (5), and the first control valve (5) outlet branches out the first branch line (501) and the second branch line (502), described the first branch line (501) is connected to the front preheater (2) of tower, described the second branch line (502) is connected to the second control valve (6), and is connected to ammonia synthesis reaction tower main body (3) epimere by the second control valve export pipeline (601), before described tower, preheater (2) is connected with preheating gas storage-out bus (201), there are the first preheating gas branch line (202) and the second preheating gas branch line (203) in preheating gas storage-out bus (201) branch, the first preheating gas branch line (202) is connected to the 3rd control valve (7), the 3rd control valve (7) output terminal is connected with the 3rd control valve export pipeline (701), and the 3rd control valve export pipeline (701) crosses and is connected to ammonia synthesis reaction tower main body (3) epimere with the second control valve export pipeline (601), upper the increasing of described the second preheating gas branch line (203) has two air inlet heat control valves (8), two air inlet heat control valves (8) are connected to ammonia synthesis reaction tower main body (3) hypomere by two air inlet heat control valve export pipelines (801), described ammonia synthesis reaction tower main body (3) is connected to waste heat boiler interchanger (4) gas feed by waste heat boiler interchanger storage-in bus (301), waste heat boiler interchanger (4) pneumatic outlet is provided with waste heat boiler interchanger storage-out bus (401), by waste heat boiler interchanger storage-out bus (401), be connected to the front preheater (2) of tower.
- In ammonia synthesis reaction technique according to claim 1 with the temperature elevation system of heat control valve, it is characterized in that, upper the increasing of described waste heat boiler interchanger storage-in bus (301) has waste heat boiler interchanger input branch line (302), waste heat boiler interchanger input branch line (302) is without waste heat boiler interchanger (4), and direct and waste heat boiler interchanger storage-out bus (401) is connected to the front preheater (2) of tower.
- In ammonia synthesis reaction technique according to claim 1 with the temperature elevation system of heat control valve, it is characterized in that, upper the increasing of described waste heat boiler interchanger input branch line (302) has used heat heat control valve (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420090096.0U CN203715291U (en) | 2014-03-03 | 2014-03-03 | Warming system with temperature regulating valve in synthetic ammonia reaction process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420090096.0U CN203715291U (en) | 2014-03-03 | 2014-03-03 | Warming system with temperature regulating valve in synthetic ammonia reaction process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203715291U true CN203715291U (en) | 2014-07-16 |
Family
ID=51154459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420090096.0U Expired - Fee Related CN203715291U (en) | 2014-03-03 | 2014-03-03 | Warming system with temperature regulating valve in synthetic ammonia reaction process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203715291U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104150508A (en) * | 2014-08-10 | 2014-11-19 | 山东省舜天化工集团有限公司 | Method for warming ammonia synthesis catalyst at low pressure |
-
2014
- 2014-03-03 CN CN201420090096.0U patent/CN203715291U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104150508A (en) * | 2014-08-10 | 2014-11-19 | 山东省舜天化工集团有限公司 | Method for warming ammonia synthesis catalyst at low pressure |
| CN104150508B (en) * | 2014-08-10 | 2016-02-24 | 山东省舜天化工集团有限公司 | A kind of method that ammonia synthesis catalyst low pressure heats up |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104153832B (en) | A kind of iron and steel enterprise's complementary energy synthesis efficient electric power generation method and power generation system thereof | |
| CN203715291U (en) | Warming system with temperature regulating valve in synthetic ammonia reaction process | |
| CN203782058U (en) | Methanol synthesis system | |
| CN207194970U (en) | It is a kind of based on the high pressure combining heating system for taking out back of the body machine and flue gas reheat technology | |
| CN103910604B (en) | The treatment process of methyl alcohol synthetic reactor outlet high-temperature gas and system for methanol synthesis | |
| CN103508418B (en) | Go into operation gas heating system and heating means in water vapour process for making hydrogen | |
| CN103506060B (en) | Energy-saving type oxyanthraquinone production device | |
| CN203513270U (en) | Improved methanation warming device for synthesizing ammonia | |
| CN103318919A (en) | Investment-saving ammonia synthesis process and device | |
| CN210393751U (en) | Two low catalyst intensification reduction systems that become based on ammonia process | |
| CN102230746A (en) | Low-temperature dew point corrosion resistant afterheat recycling device of suspension roaster | |
| CN203360016U (en) | Investment-saving ammonia synthesis device | |
| CN203021514U (en) | Energy-saving type aromatization reaction heating system | |
| CN202280490U (en) | Device for converting heat energy of remained hot water | |
| CN205576042U (en) | A heater that goes into operation for SNG device and heating system goes into operation thereof | |
| CN105732323B (en) | The method for preparing the system of methanol with oven gas and methanol being prepared with the system | |
| CN205170775U (en) | Reborner nozzle cooling system | |
| CN210889048U (en) | High-parameter secondary reheating thermal system with two-stage hybrid heater configuration | |
| CN204417109U (en) | A kind of methanol-fueled CLC transformation system | |
| CN201413069Y (en) | Steam micro-overheating heat accumulator | |
| CN203959839U (en) | A kind of Ammonia Production device by utilizing waste heat recovery system | |
| CN203050821U (en) | Methanol reaction heat recovery system | |
| CN216711970U (en) | Energy-saving device for preparing olefin from synthesis gas | |
| CN211546366U (en) | Methanation device | |
| CN203545674U (en) | Methanol synthesis system with two reforming furnaces |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140716 Termination date: 20200303 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |