CN202808384U - Device for producing liquid ammonia by using coke oven gas and methanol purge gas - Google Patents
Device for producing liquid ammonia by using coke oven gas and methanol purge gas Download PDFInfo
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- CN202808384U CN202808384U CN 201220377612 CN201220377612U CN202808384U CN 202808384 U CN202808384 U CN 202808384U CN 201220377612 CN201220377612 CN 201220377612 CN 201220377612 U CN201220377612 U CN 201220377612U CN 202808384 U CN202808384 U CN 202808384U
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Abstract
The utility model relates to a device and a process for producing liquid ammonia by using coke oven gas and methanol purge gas. A methanol purge gas raw material pipe is connected with a purge gas hydrogen extracting system, the purge gas hydrogen extracting system is connected with a desorbed gas compressor and a hydrogen and nitrogen jointed compressor, the hydrogen and nitrogen jointed compressor is connected with a deoxidizing and drying machine, a nitrogen raw material pipe and an ammonia synthesis system, and the ammonia synthesis system is respectively connected with an ammonia synthesis circulator, an ice maker system and a spherical liquid ammonia tank; and a coke oven gas raw material pipe is connected with a jointed compressor, the jointed compressor is connected with an activated carbon coarse distillation device, the activated carbon coarse distillation device is connected with a temperature swing adsorption system, the temperature swing adsorption system is connected with a coke oven gas hydrogen extracting system, the coke oven gas hydrogen extracting system is connected with a hydrolytic fine desulfurization system, the hydrolytic fine desulfurization system is connected with a deoxidizing and drying system, the deoxidizing and drying system is connected with the jointed compressor, and the jointed compressor is also connected with the hydrogen and nitrogen jointed compressor.
Description
Technical field
The utility model relates to chemical field, is specifically related to a kind of equipment of producing liquefied ammonia, particularly a kind of equipment of producing liquefied ammonia with coke-oven gas, methanol purge gas.
Background technology
The synthetic ammonia main raw material has Sweet natural gas, petroleum naphtha, mink cell focus and coal etc., and at present, China has now grasped the technology of producing synthetic ammonia with gas-solid-liquid plurality of raw materials such as coke, hard coal, brown coal, coke(oven)gas, Sweet natural gas and associated gas and liquid hydrocarbons.The energy that traditional synthesis ammonia production method consumes is higher, and equipment is outmoded, and technique is loaded down with trivial details, and output is lower.
Traditional production synthetic ammonia method can not satisfy the demand that people utilize synthetic ammonia, therefore, researches and develops a kind of equipment with coke-oven gas, methanol purge gas production liquefied ammonia, has wide market outlook.
Summary of the invention
For the deficiencies in the prior art, the utility model provides a kind of equipment with coke-oven gas, methanol purge gas production liquefied ammonia of efficient energy-saving.
The technical solution of the utility model is achieved in that a kind of coke-oven gas of using, methanol purge gas is produced the equipment of liquefied ammonia, comprise methanol purge gas raw material pipeline, coke(oven)gas raw material pipeline, nitrogen raw material pipeline, described methanol purge gas raw material pipeline is carried hydrogen system with the venting of speeding and is connected, the venting of speeding is carried hydrogen system and is united compressor by pipeline and stripping gas compressor and hydrogen nitrogen and be connected, hydrogen nitrogen associating compressor is by pipeline and deoxidation drying installation, nitrogen raw material pipeline, ammonia synthesis system is connected, and ammonia synthesis system is respectively by pipeline and ammonia synthesis circulator, the ice maker system, liquid ammonia ball tank is connected; Described coke(oven)gas raw material pipeline is connected with the associating compressor, the associating compressor is connected by the thick distillation unit of pipeline and gac, the thick distillation unit of gac is connected with temperature swing adsorption system by pipeline, temperature swing adsorption system is connected with coke oven air lift hydrogen system by pipeline, coke oven air lift hydrogen system is connected with the smart desulphurization system of hydrolysis by pipeline, being hydrolyzed smart desulphurization system is connected with the deoxidation dehumidification system by pipeline, the deoxidation dehumidification system is connected with the associating compressor by pipeline again, and the associating compressor is connected with hydrogen nitrogen associating compressor by pipeline again.
Be provided with the ammonia synthesis purge gas pipeline between described ammonia synthesis system and the ammonia synthesis circulator, the ammonia synthesis purge gas pipeline is connected with the methyl alcohol gas pipe network pipeline, the methyl alcohol gas pipe network pipeline is connected with the stripping gas compressor, carries and is provided with the coking gas pipe network pipeline between the hydrogen system at stripping gas compressor and the venting of speeding.
The utlity model has following positively effect: this product structure is simple, easy to operate, utilize the pressure of methanol production 5.0MP of maintenance when speeding to exit separation as the source pressure of pressure swing adsorption technique, the impurity that macromole is easily adsorbed separates, increase no longer in addition the power set consumed energy, realize that adsorption process is energy-conservation; Analyze and study according to the makings composition of speeding to exit and technique, the pressure of the 5.0MP that keeps when rationally utilizing hydrogen component in the gas composition of speeding to exit and methanol purge gas to separate is realized energy-conservation, research and develop new and effective pressure-variable adsorption agent and improve hydrogen purity, be condensed into production synthetic ammonia with the nitrogen pressure of air separation facility affluence.
Description of drawings
Fig. 1 is the utility model equipment synoptic diagram.
Embodiment
As shown in Figure 1, a kind of coke-oven gas of using, methanol purge gas is produced the equipment of liquefied ammonia, comprise methanol purge gas raw material pipeline 1, coke(oven)gas raw material pipeline 20, nitrogen raw material pipeline 11, described methanol purge gas raw material pipeline 1 is carried hydrogen system 2 with the venting of speeding and is connected, the venting of speeding is carried hydrogen system 2 and is united compressor 3 by pipeline and stripping gas compressor 4 and hydrogen nitrogen and be connected, hydrogen nitrogen associating compressor 3 is by pipeline and deoxidation drying installation 5, nitrogen raw material pipeline 11, ammonia synthesis system 7 is connected, and ammonia synthesis system 7 is respectively by pipeline and ammonia synthesis circulator 6, ice maker system 8, liquid ammonia ball tank 9 is connected; Described coke(oven)gas raw material pipeline 20 is connected with associating compressor 12, associating compressor 12 is connected by the thick distillation unit 13 of pipeline and gac, the thick distillation unit 13 of gac is connected with temperature swing adsorption system 14 by pipeline, temperature swing adsorption system 14 is connected with coke oven air lift hydrogen system 15 by pipeline, coke oven air lift hydrogen system 15 is connected with the smart desulphurization system 16 of hydrolysis by pipeline, being hydrolyzed smart desulphurization system 16 is connected with deoxidation dehumidification system 17 by pipeline, deoxidation dehumidification system 17 is connected with associating compressor 12 by pipeline again, and associating compressor 12 is connected with hydrogen nitrogen associating compressor 3 by pipeline again.
Be provided with ammonia synthesis purge gas pipeline 10 between described ammonia synthesis system 7 and the ammonia synthesis circulator 6, ammonia synthesis purge gas pipeline 10 is connected with methyl alcohol gas pipe network pipeline 18, methyl alcohol gas pipe network pipeline 18 is connected with stripping gas compressor 4, carries and is provided with coking gas pipe network pipeline 19 between the hydrogen system 2 at stripping gas compressor 4 and the venting of speeding.
Because the finished product are liquefied ammonia, and ammonia must could liquefy with freezing way under lower pressure, so the ice maker system is set.The way that adopts the liquefied ammonia evaporation to take away ammonia synthesis gas mixture heat makes the ammoniacal liquor in the ammonia synthesis gas mixture and separates with ammonia synthesis circulation gas, thereby obtains the liquefied ammonia product.Gas ammonia is got back to the ice maker systemic circulation and is used.The gas ammonia of ammonia compressor outlet flow to the liquefied ammonia storage tank certainly after reflux cooler and ammonia condenser condensation, then the liquefied ammonia of liquefied ammonia storage tank is sent to synthesis procedure ammonia condenser shell sweat cooling again and forms circulation.The additional liquefied ammonia of refrigeration system is by the synthesis system supply.Being sent to oil trap after the blowdown collection from ammonia cooler shell-side and liquefied ammonia storage tank processes.Adopt 2 of large and medium-sized synthetic ammonia installation pressure type spherical holders commonly used, every 400m
3, consider the seasonality of liquefied ammonia sale and the possibility that short-term is interrupted, temporarily by period of storage 〉=3 day consideration.Liquefied ammonia by synthesis procedure enters in the liquefied ammonia spherical holder to be stored, the about 1.6MPa of spherical tank working pressure, main outer the selling of liquefied ammonia.
Claims (2)
1. use coke-oven gas for one kind, methanol purge gas is produced the equipment of liquefied ammonia, comprise methanol purge gas raw material pipeline (1), coke(oven)gas raw material pipeline (20), nitrogen raw material pipeline (11), it is characterized in that: described methanol purge gas raw material pipeline (1) is carried hydrogen system (2) with the venting of speeding and is connected, the venting of speeding is carried hydrogen system (2) and is united compressor (3) by pipeline and stripping gas compressor (4) and hydrogen nitrogen and be connected, hydrogen nitrogen associating compressor (3) is by pipeline and deoxidation drying installation (5), nitrogen raw material pipeline (11), ammonia synthesis system (7) is connected, and ammonia synthesis system (7) is respectively by pipeline and ammonia synthesis circulator (6), ice maker system (8), liquid ammonia ball tank (9) is connected; Described coke(oven)gas raw material pipeline (20) is connected with associating compressor (12), associating compressor (12) is connected by the thick distillation unit of pipeline and gac (13), the thick distillation unit of gac (13) is connected with temperature swing adsorption system (14) by pipeline, temperature swing adsorption system (14) is connected with coke oven air lift hydrogen system (15) by pipeline, coke oven air lift hydrogen system (15) is connected with the smart desulphurization system of hydrolysis (16) by pipeline, being hydrolyzed smart desulphurization system (16) is connected with deoxidation dehumidification system (17) by pipeline, deoxidation dehumidification system (17) is connected with associating compressor (12) by pipeline again, and associating compressor (12) is connected with hydrogen nitrogen associating compressor (3) by pipeline again.
2. usefulness coke-oven gas according to claim 1, methanol purge gas are produced the equipment of liquefied ammonia, it is characterized in that: be provided with ammonia synthesis purge gas pipeline (10) between described ammonia synthesis system (7) and the ammonia synthesis circulator (6), ammonia synthesis purge gas pipeline (10) is connected with methyl alcohol gas pipe network pipeline (18), methyl alcohol gas pipe network pipeline (18) is connected with stripping gas compressor (4), carries and is provided with coking gas pipe network pipeline (19) between the hydrogen system (2) at stripping gas compressor (4) and the venting of speeding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220377612 CN202808384U (en) | 2012-08-01 | 2012-08-01 | Device for producing liquid ammonia by using coke oven gas and methanol purge gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220377612 CN202808384U (en) | 2012-08-01 | 2012-08-01 | Device for producing liquid ammonia by using coke oven gas and methanol purge gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202808384U true CN202808384U (en) | 2013-03-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220377612 Withdrawn - After Issue CN202808384U (en) | 2012-08-01 | 2012-08-01 | Device for producing liquid ammonia by using coke oven gas and methanol purge gas |
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| CN (1) | CN202808384U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102765733A (en) * | 2012-08-01 | 2012-11-07 | 河南中鸿集团煤化有限公司 | Device and technique of producing liquid ammonia by coke oven gas and methanol relief gas |
-
2012
- 2012-08-01 CN CN 201220377612 patent/CN202808384U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102765733A (en) * | 2012-08-01 | 2012-11-07 | 河南中鸿集团煤化有限公司 | Device and technique of producing liquid ammonia by coke oven gas and methanol relief gas |
| CN102765733B (en) * | 2012-08-01 | 2014-02-26 | 河南中鸿集团煤化有限公司 | Device and technique of producing liquid ammonia by coke oven gas and methanol relief gas |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130320 Effective date of abandoning: 20140226 |
|
| RGAV | Abandon patent right to avoid regrant |