CN104722246A - Automatic flow proportioning device for tubular reactor - Google Patents
Automatic flow proportioning device for tubular reactor Download PDFInfo
- Publication number
- CN104722246A CN104722246A CN201510131311.6A CN201510131311A CN104722246A CN 104722246 A CN104722246 A CN 104722246A CN 201510131311 A CN201510131311 A CN 201510131311A CN 104722246 A CN104722246 A CN 104722246A
- Authority
- CN
- China
- Prior art keywords
- feed pump
- gauge
- pipeline
- tubular reactor
- monomethyl amine
- 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.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J4/00—Feed or outlet devices; Feed or outlet control devices
- B01J4/02—Feed or outlet devices; Feed or outlet control devices for feeding measured, i.e. prescribed quantities of reagents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2204/00—Aspects relating to feed or outlet devices; Regulating devices for feed or outlet devices
- B01J2204/002—Aspects relating to feed or outlet devices; Regulating devices for feed or outlet devices the feeding side being of particular interest
Abstract
The invention relates to an automatic flow proportioning device for a tubular reactor. The device comprises an ethylene oxide feed pump and a methylamine feed pump, wherein a first flow meter is arranged on the first pipeline of the ethylene oxide feed pump, a second flow meter is arranged on the second pipeline of the methylamine feed pump, and the first flow meter and the second flow meter are connected by virtue of a controller; the second flow meter is connected with a frequency converter, and the frequency converter is connected with the methylamine feed pump; a first valve is arranged on the first pipeline between the ethylene oxide feed pump and the first flow meter; and a second valve is arranged on the second pipeline between the methylamine feed pump and the second flow meter. The automatic flow proportioning device is used for automatically proportioning flow, so that the product purity is improved, the steam consumption is reduced, and the service life of the whole device is prolonged.
Description
Technical field
The present invention relates to a kind of control device, be specifically related to a kind of device of flowrate proportioning.
Background technology
At present, in desulfurizing agent (MDEA) synthesis technique, reaction mass flow is by the Stroke Control of oxirane feed pump, monomethyl amine feed pump.When oxirane flow fluctuates, monomethyl amine flow needs artificial adjustment, directly has influence on yield and the purity of product.
Summary of the invention
Goal of the invention: the object of the invention is, in order to overcome deficiency of the prior art, to provide a kind of flow automatic mixing, improves product purity, reduces steam consumption, improves the flow automatic matching device of the tubular reactor in single unit system service life.
Technical scheme: in order to solve the problems of the technologies described above, the flow automatic matching device of a kind of tubular reactor of the present invention, it comprises oxirane feed pump and monomethyl amine feed pump, first pipeline of described oxirane feed pump is provided with first-class gauge, the second pipe of described monomethyl amine feed pump is provided with second gauge, be connected by controller between described first-class gauge and second gauge, described second gauge is connected with frequency converter, described frequency converter is connected with monomethyl amine feed pump, the first pipeline between described oxirane feed pump and first-class gauge is provided with the first valve, second pipe between described monomethyl amine feed pump and second gauge is provided with the second valve.
Described oxirane feed pump is connected with oxirane batch can.
Described monomethyl amine feed pump is connected with monomethyl amine batch can.
Described first pipeline is all connected with desulfurizing agent pipeline reactor with second pipe.
Beneficial effect: the present invention compared with prior art, its remarkable advantage is: each member in tight of the present invention is connected, safe and reliable to operation, first-class gauge controls second gauge by controller and runs, second gauge controls frequency converter and runs, frequency converter controls monomethyl amine feed pump again and runs, this process can carry out flowrate proportioning automatically, improve operating efficiency, can about 0.5% be improved to the purity of product, and reduce steam consumption, this device controls accurately, automatic operation, long service life, realistic instructions for use.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further illustrated.
As shown in Figure 1, the flow automatic matching device of a kind of tubular reactor of the present invention, it comprises oxirane feed pump 1 and monomethyl amine feed pump 2, first pipeline of described oxirane feed pump 1 is provided with first-class gauge 3, the second pipe of described monomethyl amine feed pump 2 is provided with second gauge 4, be connected by controller 5 between described first-class gauge 3 and second gauge 4, described second gauge 4 is connected with frequency converter 6, described frequency converter 6 is connected with monomethyl amine feed pump 2, the first pipeline between described oxirane feed pump 1 and first-class gauge 3 is provided with the first valve 7, second pipe between described monomethyl amine feed pump 2 and second gauge 4 is provided with the second valve 8, described oxirane feed pump 1 is connected with oxirane batch can 9, described monomethyl amine feed pump 2 is connected with monomethyl amine batch can 10, described first pipeline is all connected with desulfurizing agent pipeline reactor 11 with second pipe.The each member in tight of the present invention is connected, safe and reliable to operation, and first-class gauge controls second gauge by controller and runs, second gauge controls frequency converter and runs, frequency converter controls monomethyl amine feed pump again and runs, and this process can carry out flowrate proportioning automatically, improves operating efficiency, can about 0.5% be improved to the purity of product, and reducing steam consumption, this device controls accurately, automatically to run, long service life, realistic instructions for use.
The invention provides a kind of thinking and method; the method and access of this technical scheme of specific implementation is a lot; the above is only the preferred embodiment of the present invention; should be understood that; for those skilled in the art, under the premise without departing from the principles of the invention, some improvements and modifications can also be made; these improvements and modifications also should be considered as protection scope of the present invention, and all available prior art of each part not clear and definite in the present embodiment is realized.
Claims (4)
1. the flow automatic matching device of a tubular reactor, it is characterized in that: it comprises oxirane feed pump (1) and monomethyl amine feed pump (2), first pipeline of described oxirane feed pump (1) is provided with first-class gauge (3), the second pipe of described monomethyl amine feed pump (2) is provided with second gauge (4), be connected by controller (5) between described first-class gauge (3) and second gauge (4), described second gauge (4) is connected with frequency converter (6), described frequency converter (6) is connected with monomethyl amine feed pump (2), the first pipeline between described oxirane feed pump (1) and first-class gauge (3) is provided with the first valve (7), second pipe between described monomethyl amine feed pump (2) and second gauge (4) is provided with the second valve (8).
2. the flow automatic matching device of tubular reactor according to claim 1, is characterized in that: described oxirane feed pump (1) is connected with oxirane batch can (9).
3. the flow automatic matching device of tubular reactor according to claim 1, is characterized in that: described monomethyl amine feed pump (2) is connected with monomethyl amine batch can (10).
4. the flow automatic matching device of tubular reactor according to claim 1, is characterized in that: described first pipeline and second pipe are all connected with desulfurizing agent pipeline reactor (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510131311.6A CN104722246A (en) | 2015-03-24 | 2015-03-24 | Automatic flow proportioning device for tubular reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510131311.6A CN104722246A (en) | 2015-03-24 | 2015-03-24 | Automatic flow proportioning device for tubular reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104722246A true CN104722246A (en) | 2015-06-24 |
Family
ID=53447021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510131311.6A Pending CN104722246A (en) | 2015-03-24 | 2015-03-24 | Automatic flow proportioning device for tubular reactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104722246A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106975423A (en) * | 2017-05-04 | 2017-07-25 | 宁夏磐泰能源科技有限公司 | Raw material for alkylation molecular proportion control system |
-
2015
- 2015-03-24 CN CN201510131311.6A patent/CN104722246A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106975423A (en) * | 2017-05-04 | 2017-07-25 | 宁夏磐泰能源科技有限公司 | Raw material for alkylation molecular proportion control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150624 |