CN208485826U - The device having a power failure suddenly is coped in a kind of synthesis of D-HPG methyl esters - Google Patents
The device having a power failure suddenly is coped in a kind of synthesis of D-HPG methyl esters Download PDFInfo
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- CN208485826U CN208485826U CN201820794471.8U CN201820794471U CN208485826U CN 208485826 U CN208485826 U CN 208485826U CN 201820794471 U CN201820794471 U CN 201820794471U CN 208485826 U CN208485826 U CN 208485826U
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- power failure
- methyl esters
- emergency
- absorption tower
- tank
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- 150000004702 methyl esters Chemical class 0.000 title claims abstract description 32
- 230000015572 biosynthetic process Effects 0.000 title claims abstract description 29
- 238000003786 synthesis reaction Methods 0.000 title claims abstract description 29
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims abstract description 73
- 238000010521 absorption reaction Methods 0.000 claims abstract description 58
- 239000007788 liquid Substances 0.000 claims abstract description 36
- 238000006243 chemical reaction Methods 0.000 claims abstract description 35
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 33
- 238000004519 manufacturing process Methods 0.000 claims abstract description 15
- 235000011121 sodium hydroxide Nutrition 0.000 claims abstract description 11
- 239000012530 fluid Substances 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000010485 coping Effects 0.000 claims 1
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 5
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 14
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 12
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 9
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 6
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 6
- 230000036632 reaction speed Effects 0.000 description 5
- 230000000505 pernicious effect Effects 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 2
- TXKMVPPZCYKFAC-UHFFFAOYSA-N disulfur monoxide Inorganic materials O=S=S TXKMVPPZCYKFAC-UHFFFAOYSA-N 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical compound S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 2
- 229930186147 Cephalosporin Natural products 0.000 description 1
- 229930182555 Penicillin Natural products 0.000 description 1
- JGSARLDLIJGVTE-MBNYWOFBSA-N Penicillin G Chemical compound N([C@H]1[C@H]2SC([C@@H](N2C1=O)C(O)=O)(C)C)C(=O)CC1=CC=CC=C1 JGSARLDLIJGVTE-MBNYWOFBSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- LSQZJLSUYDQPKJ-NJBDSQKTSA-N amoxicillin Chemical compound C1([C@@H](N)C(=O)N[C@H]2[C@H]3SC([C@@H](N3C2=O)C(O)=O)(C)C)=CC=C(O)C=C1 LSQZJLSUYDQPKJ-NJBDSQKTSA-N 0.000 description 1
- 229960003022 amoxicillin Drugs 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 229960004841 cefadroxil Drugs 0.000 description 1
- NBFNMSULHIODTC-CYJZLJNKSA-N cefadroxil monohydrate Chemical compound O.C1([C@@H](N)C(=O)N[C@H]2[C@@H]3N(C2=O)C(=C(CS3)C)C(O)=O)=CC=C(O)C=C1 NBFNMSULHIODTC-CYJZLJNKSA-N 0.000 description 1
- 229940124587 cephalosporin Drugs 0.000 description 1
- 150000001780 cephalosporins Chemical class 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- SZBDOFWNZVHVGR-UHFFFAOYSA-N methyl 2-amino-2-(4-hydroxyphenyl)acetate Chemical compound COC(=O)C(N)C1=CC=C(O)C=C1 SZBDOFWNZVHVGR-UHFFFAOYSA-N 0.000 description 1
- KQSSATDQUYCRGS-UHFFFAOYSA-N methyl glycinate Chemical compound COC(=O)CN KQSSATDQUYCRGS-UHFFFAOYSA-N 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- LSQZJLSUYDQPKJ-UHFFFAOYSA-N p-Hydroxyampicillin Natural products O=C1N2C(C(O)=O)C(C)(C)SC2C1NC(=O)C(N)C1=CC=C(O)C=C1 LSQZJLSUYDQPKJ-UHFFFAOYSA-N 0.000 description 1
- 229940049954 penicillin Drugs 0.000 description 1
- 229960003742 phenol Drugs 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- OHHPDCXHPJUYIG-UHFFFAOYSA-N sulfur dioxide;hydrochloride Chemical compound Cl.O=S=O OHHPDCXHPJUYIG-UHFFFAOYSA-N 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The utility model relates to cope with the device having a power failure suddenly in a kind of synthesis of D-HPG methyl esters, belong to chemical industry equipment and security technology area；It is mainly made of methanol head tank, elevated tank with caustic soda liquid, emergency absorption tower and double absorption tank, the device having a power failure suddenly is coped in a kind of synthesis of D-HPG methyl esters described in technical solutions of the utility model, solves the problems, such as that occurring reaction in D-HPG methyl esters synthesis process because having a power failure suddenly is difficult to control；It is highly beneficial to production safety and environmental protection.
Description
Technical field
The utility model category chemical industry equipment and safety production technique field, in particular to a kind of D-HPG
The device having a power failure suddenly is coped in methyl esters synthesis.
Background technique
D-HPG methyl esters, English name Methyl 2-amino-2- (4-hydroxyphenyl)
Acetate, molecular weight: 181.19, structural formula:
。
D-HPG methyl esters is important Organic chemical products and medical synthetic intermediate, is mainly used for closing
At the intermediate of semisynthetic penicillin and cephalosporin, for manufacturing amoxycillin and cefadroxil.
The early period of D-HPG methyl esters production process is exothermic reaction, if encountering in process of production suddenly
When the case where power failure, since to will lead to ongoing reaction more violent for chilled(cooling) water supply (CWS) deficiency, while sulfur dioxide is had
Reaction system is escaped since absorption system is out of service with hydrogen chloride gas, this constitutes production safety and environmental protection certain
It threatens.
Therefore, necessary for this emergency that has a power failure is met in D-HPG methyl esters production process suddenly
The effective counter-measure of complete set is formulated, the production and living environment to ensure us is without damage.
Summary of the invention
Technical solutions of the utility model design in line with the purpose for solving problem above and assemble a kind of left-handed para hydroxybenzene
The device having a power failure suddenly is coped in glycine methyl ester synthesis, it can not only terminate and reduce in time reaction speed, meanwhile, to evolution
The sulfur dioxide and hydrogen chloride gas of reaction system can be carried out effective absorption, this is highly beneficial to production safety and environmental protection.
Reply has a power failure suddenly in a kind of synthesis of D-HPG methyl esters described in technical solutions of the utility model
Device, it includes: reaction kettle, methanol head tank, elevated tank with caustic soda liquid, emergency switching valve, emergency absorption tower, fluid reservoir, secondary
Tourie, which is characterized in that methanol head tank is connected by methanol control valve with reaction kettle, and reaction kettle is passed through by tail gas absorber
Exhaust pipe, emergency switching valve are connected with emergency absorb the bottom of the tower, and elevated tank with caustic soda liquid passes through liquid alkaline control valve and emergency absorption tower
Top connection, emergency absorption tower are connected through exhaust pipe with double absorption tank.
Preferably, reply is prominent in a kind of synthesis of D-HPG methyl esters described in technical solutions of the utility model
The device so having a power failure, which is characterized in that the methanol head tank is placed in above reaction kettle on the platform of 2-3m, volume 3-
5m3, it is able to maintain methanol amount of storage 3-4t, it is connected by being flexible coupling with the methanol control valve above reaction kettle.It is encountering suddenly
When this emergency that has a power failure, cold methanol 200-300L is injected into ongoing reaction can reduce reaction speed or end
The progress only reacted.
Preferably, reply is prominent in a kind of synthesis of D-HPG methyl esters described in technical solutions of the utility model
The device so having a power failure, which is characterized in that the elevated tank with caustic soda liquid is placed in above reaction kettle on the platform of 2-3m, volume 8-
10m3, the liquid alkaline amount of storage of 8-10t can be possessed, it is connected to by liquid alkaline control valve with emergency absorption tower top.It is encountering suddenly
When this emergency that has a power failure, opening liquid alkaline control valve can make lower to the two of urgent uplink from emergency absorption tower top spray
Sulfur oxide and hydrogen chloride are implemented to absorb.
Preferably, reply is prominent in a kind of synthesis of D-HPG methyl esters described in technical solutions of the utility model
The device so having a power failure, which is characterized in that the liquid alkaline control valve is mounted on emergency absorption tower lower position.The mesh being designed in this way
, when meeting with the emergency having a power failure suddenly, employee can speed away and be answered inside workshop to outdoor is comparatively safe
Liquid alkaline control valve is operated at anxious absorption tower, in order to avoid by unexpected injury.
Preferably, reply is prominent in a kind of synthesis of D-HPG methyl esters described in technical solutions of the utility model
The device so having a power failure, which is characterized in that the emergency absorption tower is a plate column, inside there is 18-23 layers of column plate, absorption tower of meeting an urgent need
Top is provided with annular fluid distributor.The purpose of this design is that plate column can be a little bit smaller compared to the resistance of packed tower, it is conducive to
Sulfur dioxide and chlorine hydride mixed gas body uplink, will not cause bigger pressure to reaction system；Meet an urgent need what absorption tower top was arranged
Annular fluid distributor is more advantageous to being uniformly distributed for liquid alkaline.
Preferably, reply is prominent in a kind of synthesis of D-HPG methyl esters described in technical solutions of the utility model
The device so having a power failure, which is characterized in that the double absorption tank is plastics or glass steel material, diameter 0.8-1.2m, height
2.5-3.0m, the exhaust pipe come out at the top of emergency absorption tower are inserted into 2-2.5m under double absorption jar liquid surface.Exhaust pipe is inserted
The design for entering thin and tall double absorption pot bottom is to allow remaining gas to be fully absorbed.
Reply has a power failure suddenly in a kind of synthesis of D-HPG methyl esters described in technical solutions of the utility model
Device, its direct beneficial effect is: 1. can terminate in time reaction and reduce reaction speed, prevented the further expansion of risk
Greatly；2. the pernicious gas that pair system generates can be carried out effective absorption, pernicious gas is avoided to evolution reaction system, production is pacified
Complete and protection environment is highly beneficial.
Detailed description of the invention
Fig. 1 is unexpected for reply in a kind of D-HPG methyl esters synthesis described in technical solutions of the utility model
The schematic diagram of the device of power failure.
Specific embodiment
It is practical to this with reference to the accompanying drawing to express that the purpose of this utility model, device, technical solution clearly
Novel progress in detail, be fully described by that is obvious, described embodiment is a part of the embodiment of the utility model, rather than
All.
Referring to Fig.1, reply is prominent in a kind of D-HPG methyl esters synthesis of present embodiment embodiment
The device so having a power failure, it includes: reaction kettle 1, reflux condenser 2, normal production absorption tower 3, methanol head tank 4, methanol control
Valve 5, elevated tank with caustic soda liquid 6, emergency switching valve 7, liquid alkaline control valve 8, emergency absorption tower 9, annular fluid distributor 10, fluid reservoir
11,12, double absorption tank 13, which is characterized in that methanol head tank 4 is connected by methanol control valve 5 with reaction kettle 1, reaction kettle 1
It is connected through exhaust pipe, emergency switching valve 7 with emergency 9 bottom of absorption tower by normally producing absorption tower 3, elevated tank with caustic soda liquid 6 is logical
It crosses liquid alkaline control valve 8 to connect with emergency 9 top of absorption tower, emergency absorption tower 9 is connected through exhaust pipe with double absorption tank 13.
Further, reply is prominent in a kind of D-HPG methyl esters synthesis of present embodiment embodiment
The device so having a power failure, which is characterized in that the methanol head tank is placed in above reaction kettle on the platform of 2-3m, volume 3-
5m3, it is able to maintain methanol amount of storage 3-4t, it is connected by being flexible coupling with the methanol control valve above reaction kettle.It is encountering suddenly
When this emergency that has a power failure, cold methanol 200-300L is injected into ongoing reaction can reduce reaction speed or end
The progress only reacted.
Further, reply is prominent in a kind of D-HPG methyl esters synthesis of present embodiment embodiment
The device so having a power failure, which is characterized in that the elevated tank with caustic soda liquid is placed in above reaction kettle on the platform of 2-3m, volume 8-
10m3, the liquid alkaline amount of storage of 8-10t can be possessed, it is connected to by liquid alkaline control valve with emergency absorption tower top.It is encountering suddenly
When this emergency that has a power failure, opening liquid alkaline control valve can make lower to the two of urgent uplink from emergency absorption tower top spray
Sulfur oxide and hydrogen chloride are implemented to absorb.
Further, reply is prominent in a kind of D-HPG methyl esters synthesis of present embodiment embodiment
The device so having a power failure, which is characterized in that the liquid alkaline control valve is mounted on emergency absorption tower lower position.The mesh being designed in this way
, when meeting with the emergency having a power failure suddenly, employee can speed away and be answered inside workshop to outdoor is comparatively safe
Liquid alkaline control valve is operated at anxious absorption tower, in order to avoid by unexpected injury.
Further, reply is prominent in a kind of D-HPG methyl esters synthesis of present embodiment embodiment
The device so having a power failure, which is characterized in that the emergency absorption tower is a plate column, inside there is 18-23 layers of column plate, absorption tower of meeting an urgent need
Top is provided with annular fluid distributor.The purpose of this design is that plate column can be a little bit smaller compared to the resistance of packed tower, it is conducive to
Sulfur dioxide and chlorine hydride mixed gas body uplink, will not cause bigger pressure to reaction system；Meet an urgent need what absorption tower top was arranged
Annular fluid distributor is more advantageous to being uniformly distributed for liquid alkaline.
Further, reply is prominent in a kind of D-HPG methyl esters synthesis of present embodiment embodiment
The device so having a power failure, which is characterized in that the double absorption tank is plastics or glass steel material, diameter 0.8-1.2m, height
2.5-3.0m, the exhaust pipe come out at the top of emergency absorption tower are inserted into 2-2.5m under double absorption jar liquid surface.Exhaust pipe is inserted
The design for entering thin and tall double absorption pot bottom is to allow remaining gas to be fully absorbed.
It copes in a kind of D-HPG methyl esters synthesis of present embodiment embodiment and has a power failure suddenly
Device, its operating process is such that in normally production when meeting with the emergency having a power failure suddenly, is first beaten according to emergence program
Methanol control valve 5 is opened, allows cold methanol 200-300L to fall into reaction kettle 1 from methanol head tank 4, makes reaction terminating or reduction of speed；It beats
Emergency switching valve 7 is opened, allows sulfur dioxide and the certainly normal production absorption tower 3 of chlorine hydride mixed gas body to be transferred to emergency absorption tower 9, together
When, liquid alkaline control valve 8 is opened, allows certain density liquid alkaline from elevated tank with caustic soda liquid 6 through anti-U-shaped bend pipe, annular fluid distributor 10
Into the top on emergency absorption tower 9, liquid alkaline from emergency 9 top of absorption tower spray and under, it is mixed with sulfur dioxide-hydrogen chloride of uplink
It closes gas and carries out absorbing reaction；The mixed gas remnants of unabsorbed sulfur dioxide and hydrogen chloride enter double absorption tank 13 into
Row absorbing reaction sufficient again；By the emergency action of procedure above, titanium dioxide can't detect at last offgas outlet
Sulphur and hydrogen chloride.
Such device is coped in a kind of D-HPG methyl esters synthesis described in technical solutions of the utility model
The device having a power failure suddenly, it has the benefit that 1. can terminate reaction in time and reduce reaction speed, has prevented risk
Further expansion；2. the pernicious gas that pair system generates can be carried out effective absorption, pernicious gas is avoided to evolution reaction system,
It is highly beneficial to production safety and protection environment.
The utility model will not be limited to the embodiments shown herein, all in the spirit of the present invention and principle
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.This is practical
Novel institute's protection scope is to fit to the widest scope consistent with principle provided in this article and features of novelty.
Claims (6)
1. coping with the device having a power failure suddenly in a kind of D-HPG methyl esters synthesis, it includes: reaction kettle, methanol height
Position slot, elevated tank with caustic soda liquid, emergency switching valve, emergency absorption tower, fluid reservoir, double absorption tank, which is characterized in that methanol head tank
It is connected by methanol control valve with reaction kettle, reaction kettle through exhaust pipe, emergency switching valve and is answered by normally production absorption tower
Anxious absorb the bottom of the tower is connected, and elevated tank with caustic soda liquid is connect by liquid alkaline control valve with emergency absorption tower top, and absorption tower of meeting an urgent need is through tail
Feed channel is connected with double absorption tank.
2. the device having a power failure suddenly is coped in a kind of D-HPG methyl esters synthesis according to claim 1,
It is characterized in that, the methanol head tank is placed in above reaction kettle on the platform of 2-3m, volume 3-5m3, it is able to maintain methanol
Amount of storage 3-4t, it is connected by being flexible coupling with the methanol control valve above reaction kettle.
3. the device having a power failure suddenly is coped in a kind of D-HPG methyl esters synthesis according to claim 1,
It is characterized in that, the elevated tank with caustic soda liquid is placed in above reaction kettle on the platform of 2-3m, volume 8-10m3, 8- can be possessed
The liquid alkaline amount of storage of 10t, it is connected to by liquid alkaline control valve with emergency absorption tower top.
4. the device having a power failure suddenly is coped in a kind of D-HPG methyl esters synthesis according to claim 1,
It is characterized in that, the liquid alkaline control valve is mounted on emergency absorption tower lower position.
5. the device having a power failure suddenly is coped in a kind of D-HPG methyl esters synthesis according to claim 1,
It is characterized in that, the emergency absorption tower is a plate column, inside there are 18-23 layers of column plate, emergency absorption tower top is provided with ring
Shape fluid distributor.
6. the device having a power failure suddenly is coped in a kind of D-HPG methyl esters synthesis according to claim 1,
It is characterized in that, the double absorption tank is plastics or glass steel material, diameter 0.8-1.2m, height 2.5-3.0m, from answering
2-2.5m under the exhaust pipe insertion double absorption jar liquid surface come out at the top of anxious absorption tower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820794471.8U CN208485826U (en) | 2018-05-27 | 2018-05-27 | The device having a power failure suddenly is coped in a kind of synthesis of D-HPG methyl esters |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820794471.8U CN208485826U (en) | 2018-05-27 | 2018-05-27 | The device having a power failure suddenly is coped in a kind of synthesis of D-HPG methyl esters |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208485826U true CN208485826U (en) | 2019-02-12 |
Family
ID=65250432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820794471.8U Active CN208485826U (en) | 2018-05-27 | 2018-05-27 | The device having a power failure suddenly is coped in a kind of synthesis of D-HPG methyl esters |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208485826U (en) |
-
2018
- 2018-05-27 CN CN201820794471.8U patent/CN208485826U/en active Active
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| CP01 | Change in the name or title of a patent holder |
Address after: 461500 eastern part of Wei Wu Road, Changge, Xuchang, Henan Patentee after: Xintiandi Pharmaceutical Co.,Ltd. Address before: 461500 eastern part of Wei Wu Road, Changge, Xuchang, Henan Patentee before: HENAN NEWLAND PHARMACEUTICAL Co.,Ltd. |