CN205151788U - High -efficient safe waste heat system ammonia device - Google Patents
High -efficient safe waste heat system ammonia device Download PDFInfo
- Publication number
- CN205151788U CN205151788U CN201520609839.5U CN201520609839U CN205151788U CN 205151788 U CN205151788 U CN 205151788U CN 201520609839 U CN201520609839 U CN 201520609839U CN 205151788 U CN205151788 U CN 205151788U
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- CN
- China
- Prior art keywords
- waste heat
- unit
- ammonia
- dispensing pump
- pyrolysis unit
- 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
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- 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
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- 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
-
- 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
- Y02P20/50—Improvements relating to the production of bulk chemicals
Abstract
The utility model discloses a high -efficient safe waste heat system ammonia device, include and dissolve supply unit, measurement dispensing pump, the mixed unit of pressurization and waste heat formula pyrolysis unit, dissolve supply unit and pass through charge -in pipeline and measure the dispensing pump and be connected that measuring the dispensing pump and being equipped with a compressed air air inlet with the mixed unit connection of pressurization, the mixed unit that pressurizes, waste heat formula pyrolysis unit cover is established around flue gas pipeline, first one of waste heat formula pyrolysis unit is equipped with a dilution air air inlet and an ammonia export, and waste heat formula pyrolysis unit inside is provided with the horizontal baffling board of polylith. This waste heat system ammonia device, simple structure, convenient operation to the ammonium salt is the raw materials, and is safe nontoxic, the high efficiency, the flue gas waste heat that utilizes industrial stoves to produce makes the ammonium salt decompose and produces the ammonia, reduced the reaction energy consumption, has saved the equipment running cost.
Description
Technical field
The utility model relates to a kind of ammonia-preparing device, is specifically related to a kind of waste heat ammonia-preparing device of highly effective and safe, belongs to chemical engineering design and manufactures field.
Background technology
At present, industrial tail gas discharge is the one of the main reasons causing topsoil, and wherein industry is that wherein contained oxynitride can destroy O in air
3balance, finally cause the consume of ozonosphere, it is the key pollutants of topsoil, simultaneously, oxynitride can cause damage to HUMAN HEALTH as primary pollutant, its secondary pollution produced also is the major reason of forming region fine particles pollution and gray haze, so reduce discharged nitrous oxides to become one of important goal of curbing environmental pollution.
In industrial tail gas desulphurization denitration treatment industry, when utilizing selective catalytic reduction to denitrating flue gas process, need to use NH
3as reductive agent, traditional NH
3raw materials for production comprise liquefied ammonia, ammoniacal liquor, and urea etc., above reductive agent is subject to the impact of the factors such as transport, storage, occupation of land and power consumption, there is following defect: liquefied ammonia, belong to hazardous chemical, with air mixed explosive, require higher to stabilization of equipment performance simultaneously; Ammoniacal liquor, meet high heat, in container, pressure increases, and has the danger of cracking and blast; Urea, nontoxic, harmless, non-explosive, but its pyrolysis is gas ammonia, needs the pyrolysis installation of auxiliary construction pyrolysis temperature up to about 650 DEG C, take up an area large, energy consumption is high.The selection of tradition reductive agent ammonia improves transport difficulty and auxiliary facility construction requirements, increases energy consumption cost, meanwhile, has certain harm to environment.
Utility model content
The purpose of this utility model is: the shortcoming overcoming prior art, provides the waste heat ammonia-preparing device that a kind of structure is simple, with low cost, reduce energy consumption, highly effective and safe.
The purpose of this utility model is achieved through the following technical solutions: a kind of waste heat ammonia-preparing device of highly effective and safe, comprise and dissolve feeding unit (1), dose dispensing pump (2), pressurization mixed cell (3) and residual heat type pyrolysis unit (4), dissolve feeding unit (1) to be connected with dose dispensing pump (2) by feed pipe, dose dispensing pump (2) is connected with pressurization mixed cell (3), pressurization mixed cell (3) is provided with a compressed air inlet port (5), residual heat type pyrolysis unit (4) is set in flue (8) around, residual heat type pyrolysis unit (4) first half is provided with a dilution air inlet (6) and an ammonia outlet (7), residual heat type pyrolysis unit (4) inside is provided with polylith horizontal baffle (9).
After volatile salt or bicarbonate of ammonia are fully dissolved in dissolving feeding unit (1), its solution injects pressurization mixed cell (3) through dose dispensing pump (2) and feed pipe, the compressed air inlet of pressurized air (5) enters mixed cell 3 and pressurizes, ammonium salt solution is through pressurization mixed cell (3) release, enter residual heat type pyrolysis unit (4), pyrolytic reaction occurs.Residual heat type pyrolysis unit (4) is set in flue (8) around, the heat that flue (8) distributes intercepts through traverse baffle and is full of residual heat type pyrolysis unit (4), 150 DEG C-220 DEG C ammonium salt solution pyrolysis rates reach 85% ~ 99%, obtained ammonia.
The utility model has the following advantages:
1, structure is simple, handled easily.
2, the fume afterheat utilizing Industrial Stoves to discharge, under the condition of 150 DEG C-220 DEG C, produces ammonia, without the need to additional heating source, reduces energy consumption, save equipment running cost;
3, adopt ammonium salt as feed for ammonia production, nontoxic, harmless, store and transportation safety.
4, ammonium salt solution is in waste heat pyrolysis unit, and decomposition efficiency can reach 99%;
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Reference numeral: 1-dissolves feeding unit, 2-dose dispensing pump, 3-pressurization mixed cell, 4-residual heat type pyrolysis unit, 5-compressed air inlet, the import of 6-diluent air, 7-ammonia outlet, 8-flue, 9-traverse baffle.
Embodiment
Below in conjunction with embodiment and Figure of description, the utility model is described in further detail:
Embodiment one:
A waste heat ammonia-preparing device for highly effective and safe, comprises and dissolves feeding unit (1), dose dispensing pump (2), pressurization mixed cell (3), and residual heat type pyrolysis unit (4) forms.After ammonium salt (volatile salt or bicarbonate of ammonia) is fully dissolved in dissolving feeding unit (1), its solution injects pressurization mixed cell (3) through dose dispensing pump (2) and feed pipe, the compressed air inlet of pressurized air (5) enters mixed cell 3 and pressurizes, ammonium salt solution is through pressurization mixed cell (3) release, enter residual heat type pyrolysis unit (4), pyrolytic reaction occurs.Residual heat type pyrolysis unit (4) is set in flue (8) around, the heat that flue (8) distributes intercepts through traverse baffle and is full of residual heat type pyrolysis unit (4), 150 DEG C-220 DEG C ammonium salt solution pyrolysis rates reach 85% ~ 99%, obtained ammonia.
Embodiment two:
A waste heat ammonia-preparing device for highly effective and safe, comprises and dissolves feeding unit (1), dose dispensing pump (2), pressurization mixed cell (3), and residual heat type pyrolysis unit (4) forms.After bicarbonate of ammonia is fully dissolved in dissolving feeding unit (1), its solution injects pressurization mixed cell (3) through dose dispensing pump (2) and feed pipe, the compressed air inlet of pressurized air (5) enters mixed cell 3 and pressurizes, sal volatile, through pressurization mixed cell (3) release, enters residual heat type pyrolysis unit (4) and pyrolytic reaction occurs.Residual heat type pyrolysis unit (4) is set in flue (8) around, the heat that flue (8) distributes intercepts through traverse baffle and is full of residual heat type pyrolysis unit (4), ammonium bicarbonate soln 150 DEG C of-200 DEG C of pyrolysis rates reach 95%, air is injected dilution from import (6), mix with the ammonia produced, after mixing, ammonia volume fraction reaches 10%-15%, for glass furnace tail gas denitration process.
Embodiment three:
A waste heat ammonia-preparing device for highly effective and safe, comprises and dissolves feeding unit (1), dose dispensing pump (2), pressurization mixed cell (3), and residual heat type pyrolysis unit (4) forms.After volatile salt is fully dissolved in dissolving feeding unit (1), its solution injects pressurization mixed cell (3) through dose dispensing pump (2) and feed pipe, the compressed air inlet of pressurized air (5) enters mixed cell 3 and pressurizes, sal volatile, through pressurization mixed cell (3) release, enters residual heat type pyrolysis unit (4) and pyrolytic reaction occurs.Residual heat type pyrolysis unit (4) is set in flue (8) around, fume afterheat temperature range is 150-220 DEG C, the heat that flue (8) distributes intercepts through traverse baffle and is full of residual heat type pyrolysis unit (4), sal volatile pyrolysis rate reaches 99%, air is injected dilution from import (6), mix with the ammonia produced, after mixing, ammonia volume fraction reaches 20%-25%, can be applicable to small-sized iron and steel kiln tail gas denitration process.
Claims (1)
1. the waste heat ammonia-preparing device of a highly effective and safe, it is characterized in that: comprise and dissolve feeding unit (1), dose dispensing pump (2), pressurization mixed cell (3) and residual heat type pyrolysis unit (4), dissolve feeding unit (1) to be connected with dose dispensing pump (2) by feed pipe, dose dispensing pump (2) is connected with pressurization mixed cell (3), pressurization mixed cell (3) is provided with a compressed air inlet port (5), residual heat type pyrolysis unit (4) is set in flue (8) around, residual heat type pyrolysis unit (4) first half is provided with a dilution air inlet (6) and an ammonia outlet (7), residual heat type pyrolysis unit (4) inside is provided with polylith horizontal baffle (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520609839.5U CN205151788U (en) | 2015-08-14 | 2015-08-14 | High -efficient safe waste heat system ammonia device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520609839.5U CN205151788U (en) | 2015-08-14 | 2015-08-14 | High -efficient safe waste heat system ammonia device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205151788U true CN205151788U (en) | 2016-04-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520609839.5U Expired - Fee Related CN205151788U (en) | 2015-08-14 | 2015-08-14 | High -efficient safe waste heat system ammonia device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205151788U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106582287A (en) * | 2017-01-25 | 2017-04-26 | 中国海洋大学 | Pyrolyzing, rectifying, purifying ammonia-producing system of ammonium hydrogen carbonate solution for SCR reaction |
-
2015
- 2015-08-14 CN CN201520609839.5U patent/CN205151788U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106582287A (en) * | 2017-01-25 | 2017-04-26 | 中国海洋大学 | Pyrolyzing, rectifying, purifying ammonia-producing system of ammonium hydrogen carbonate solution for SCR reaction |
| CN106582287B (en) * | 2017-01-25 | 2022-11-08 | 中国海洋大学 | A ammonium bicarbonate solution pyrolysis rectification purification system of making ammonia for SCR reaction |
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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: 20160413 Termination date: 20190814 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |