CN105090570A - 改进的流量阀和包括这种阀的用于生产三聚氰胺的设备 - Google Patents
改进的流量阀和包括这种阀的用于生产三聚氰胺的设备 Download PDFInfo
- Publication number
- CN105090570A CN105090570A CN201410312198.7A CN201410312198A CN105090570A CN 105090570 A CN105090570 A CN 105090570A CN 201410312198 A CN201410312198 A CN 201410312198A CN 105090570 A CN105090570 A CN 105090570A
- Authority
- CN
- China
- Prior art keywords
- pipe
- shutter
- mouth
- valve
- control rod
- 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.)
- Granted
Links
- 229920000877 Melamine resin Polymers 0.000 title claims abstract description 16
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 title claims abstract description 16
- 238000004519 manufacturing process Methods 0.000 title description 10
- 239000012530 fluid Substances 0.000 claims abstract description 35
- 239000004202 carbamide Substances 0.000 claims abstract description 34
- XSQUKJJJFZCRTK-UHFFFAOYSA-N urea group Chemical group NC(=O)N XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims abstract description 33
- 238000002156 mixing Methods 0.000 claims abstract description 9
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 34
- 229910021529 ammonia Inorganic materials 0.000 claims description 19
- 238000005406 washing Methods 0.000 claims description 12
- 238000000197 pyrolysis Methods 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 238000000354 decomposition reaction Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 7
- 230000001276 controlling effect Effects 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 2
- 230000002596 correlated effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 239000013598 vector Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/18—Check valves with actuating mechanism; Combined check valves and actuated valves
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D251/00—Heterocyclic compounds containing 1,3,5-triazine rings
- C07D251/02—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings
- C07D251/12—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members
- C07D251/26—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members with only hetero atoms directly attached to ring carbon atoms
- C07D251/40—Nitrogen atoms
- C07D251/54—Three nitrogen atoms
- C07D251/56—Preparation of melamine
- C07D251/60—Preparation of melamine from urea or from carbon dioxide and ammonia
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
- F16K15/06—Check valves with guided rigid valve members with guided stems
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
Claims (6)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITMI20140943 | 2014-05-22 | ||
ITMI2014A000943 | 2014-05-22 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN105090570A true CN105090570A (zh) | 2015-11-25 |
CN105090570B CN105090570B (zh) | 2018-11-06 |
Family
ID=51220705
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201410312198.7A Active CN105090570B (zh) | 2014-05-22 | 2014-07-02 | 改进的流量阀和包括这种阀的用于生产三聚氰胺的设备 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN105090570B (zh) |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001295735A (ja) * | 2000-04-18 | 2001-10-26 | Toyota Motor Corp | 締結部品の取付構造 |
CN2608788Y (zh) * | 2003-03-25 | 2004-03-31 | 浙江大众阀门厂 | 自力式多功能水力控制阀 |
CN202280884U (zh) * | 2011-08-29 | 2012-06-20 | 江苏河海新能源有限公司 | 一种截止止回阀 |
CN102588635A (zh) * | 2011-07-21 | 2012-07-18 | 天津市国威给排水设备制造有限公司 | 止回截止阀 |
CN203384429U (zh) * | 2013-06-09 | 2014-01-08 | 安徽艾可蓝节能环保科技有限公司 | 一种气液混合腔逆向止流装置 |
CN103649482A (zh) * | 2011-07-05 | 2014-03-19 | 罗伯特·博世有限公司 | 计量系统和用于计量系统的3/2换向阀 |
CN203594841U (zh) * | 2013-12-12 | 2014-05-14 | 浙江美德机械有限公司 | 一种液力止回器 |
-
2014
- 2014-07-02 CN CN201410312198.7A patent/CN105090570B/zh active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001295735A (ja) * | 2000-04-18 | 2001-10-26 | Toyota Motor Corp | 締結部品の取付構造 |
CN2608788Y (zh) * | 2003-03-25 | 2004-03-31 | 浙江大众阀门厂 | 自力式多功能水力控制阀 |
CN103649482A (zh) * | 2011-07-05 | 2014-03-19 | 罗伯特·博世有限公司 | 计量系统和用于计量系统的3/2换向阀 |
CN102588635A (zh) * | 2011-07-21 | 2012-07-18 | 天津市国威给排水设备制造有限公司 | 止回截止阀 |
CN202280884U (zh) * | 2011-08-29 | 2012-06-20 | 江苏河海新能源有限公司 | 一种截止止回阀 |
CN203384429U (zh) * | 2013-06-09 | 2014-01-08 | 安徽艾可蓝节能环保科技有限公司 | 一种气液混合腔逆向止流装置 |
CN203594841U (zh) * | 2013-12-12 | 2014-05-14 | 浙江美德机械有限公司 | 一种液力止回器 |
Also Published As
Publication number | Publication date |
---|---|
CN105090570B (zh) | 2018-11-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20210415 Address after: Swiss Wollerau Patentee after: Ouji melamine Co.,Ltd. Address before: Itgen, Switzerland Patentee before: EUROTECNICA MELAMINE |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20240108 Address after: Schwyz Switzerland Patentee after: Proman Ltd. Address before: Swiss Wollerau Patentee before: Ouji melamine Co.,Ltd. |