CN203342781U - Pipeline-type reactor applied to hydantoin production equipment - Google Patents
Pipeline-type reactor applied to hydantoin production equipment Download PDFInfo
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- CN203342781U CN203342781U CN 201320413427 CN201320413427U CN203342781U CN 203342781 U CN203342781 U CN 203342781U CN 201320413427 CN201320413427 CN 201320413427 CN 201320413427 U CN201320413427 U CN 201320413427U CN 203342781 U CN203342781 U CN 203342781U
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Abstract
The utility model relates to hydantoin production equipment, and particularly relates to a pipeline-type reactor applied to hydantoin production equipment. The pipeline-type reactor comprises at least one pipeline, wherein connecting parts are used for the sealing connection between the pipelines so as to form a group of reaction devices. The pipeline-type reactor has the beneficial effects that when gas and liquid phases flow in the pipeline, turbulent flow and disturbance are inevitably formed, the sealing connection between the thick pipeline and the thin pipeline form a pressure difference, so that the opportunity of the mutual contact among molecules is greatly increased, the reaction rate is obviously increased, a filler is used for further enhancing the effect and meanwhile is used for ensuring that the two phases are uniformly dispersed and uniformly contact with each other; the residence time of materials in the pipeline-type reactor can be controlled by controlling the flow velocity and the length of the pipeline-type reactor; the reaction completeness is ensured; a conventional production method is improved; good technical effects are achieved.
Description
Technical field
The utility model relates to a kind of production equipment of producing hydantoins, specifically refers to a kind of pipeline reactor that is applied to the production equipment of hydantoins.
Background technology
Hydantoins is called for short glycolylurea, the production of existing hydantoins be first through the ammonia carboxylation reaction, then product is concentrated after with the concentrated sulfuric acid carry out acidification reaction, separation and purification obtains product again.The ammonia carboxylation reaction comprises with raw material hydroxyacetonitrile, carbonic hydroammonium as reactive material.Consersion unit mainly contains reactor, feeder, circulating pump, packed tower.Add water successively in reactor according to formula, start agitating device, slowly heat up, after temperature constant, start the carbonic hydroammonium feeder, hydroxyacetonitrile drips valve, keeps both to drip in still evenly.Interval is after a little time, starts circulating pump and material is pumped into to packed tower constantly circulates, and keeps constant temperature, until after reaction raw materials adds, and insulation a period of time, more concentrated acidifying, centrifugal product.Owing to needing in production process that the gas of generation and liquid are fully mixed, and the reactor on domestic market can not mix gas and liquid fully, not only greatly reduce the yield of product, and poor product quality, also increase large quantity of exhaust gas waste water, polluted greatly environment.And adopt hydroxyacetonitrile and carbonic hydroammonium to prepare glycolylurea abroad, all under high-tension apparatus, carry out, cost is too high, the operating process complexity, and have great potential safety hazard.
Summary of the invention
For realizing above-mentioned purpose: the utility model aims to provide a kind of pipeline reactor that is applied to the production equipment of hydantoins and makes the composite rate that can improve gas and liquid in the process of producing hydantoins, improve yield and the quality of product, and environmental contamination reduction.
For solving the above problems: the utility model provides a kind of pipeline reactor that is applied to the production equipment of hydantoins, described pipeline reactor comprises at least one pipeline, between single pipeline and single pipeline, by connecting portion, is tightly connected and forms a group reaction device.
A described group reaction device can be tightly connected and form by connecting portion by single extra heavy pipe road and single thin pipe, and described reaction unit is at least one group.
Described connecting portion is the dome shape, and it is one-body molded with it that the upper end of connecting portion is provided with cylinder, and the two ends of connecting portion all are provided with flange, and the diameter of section of described connecting portion upper end is less than the diameter of section of connecting portion lower end.
Described extra heavy pipe road is linear pattern, and thin pipe is class S type; It is one-body molded with it that the two ends of described extra heavy pipe road and thin pipe all are provided with flange, one end flanges in extra heavy pipe road and the flange of connecting portion lower end are joined and are tightly connected, the flange of connecting portion upper end is connected with the flange fitted seal of an end of thin pipe, between described flange and flange, by bolt seal, is fixedly connected with.
Described pipeline reactor can be the dish type pipeline, and it is one-body molded with it that pipe ends is provided with flange.
Described dish-type pipeline has at least coiled a circle.
Be provided with corrugated wire gauze packing in described pipeline reactor.
The outlet of described pipeline reactor is connected with the release surge tank by circulating line, the import of pipeline reactor be linked in sequence having heaters, tubing pump, gas-liquid allotter be connected to form closed circuit with release surge tank discharging opening.
The beneficial effects of the utility model: in pipeline reactor, gas-liquid two-phase must form turbulent flow and disturbance while flowing in pipeline, and extra heavy pipe road and thin pipe are tightly connected, because the difference of capacity causes the difference of flow velocity, make the chance be in contact with one another between molecule greatly increase, reaction rate significantly improves, and filler further strengthens this effect, the dispersion that simultaneously makes two-phase with contact more even; Can control the time of staying of material in pipeline reactor by coutroi velocity and pipeline reactor length, guarantee to react completely, improve existing production method and obtained good technique effect.
The accompanying drawing explanation
Fig. 1 is the operation principle schematic diagram of the production equipment of the utility model specific embodiment one.
Fig. 2 is the operation principle schematic diagram of the production equipment of the utility model specific embodiment two.
Fig. 3 is the perspective view of the utility model specific embodiment one.
Description of reference numerals: pipeline reactor 1, extra heavy pipe road 01, thin pipe 02, connecting portion 03, dish type pipeline 001, heater 2, tubing pump 3, gas-liquid allotter 4, release surge tank 5, circulating line 6.
The specific embodiment
Describe the specific embodiment of the present utility model in detail below in conjunction with Figure of description:
Specific embodiment one:
A kind of pipeline reactor 1 that is applied to the production equipment of hydantoins, described pipeline reactor 1 comprises the thin pipe 02 of linear extra heavy pipe road 01 and class S type, at first corrugated wire gauze packing is arranged in extra heavy pipe road 01 and thin pipe 02, between extra heavy pipe road 01 and thin pipe 02, by connecting portion 03, connect, due to extra heavy pipe road 01 and thin pipe 02 two ends, all to be provided with flange one-body molded with it, it is one-body molded with it that the two ends of connecting portion 03 are provided with flange, therefore by an end flanges in extra heavy pipe road 01 with join and be tightly connected with the flange of connecting portion 03 lower end, the flange of connecting portion 03 upper end is connected with the flange fitted seal of an end of thin pipe 02, single extra heavy pipe road 01 is connected to form a group reaction device with single thin pipe 02 by connecting portion 03, wherein between flange and flange, by bolt seal, be fixedly connected with, make pipeline reactor 1 can be less than by extra heavy pipe road 01 and the different and connecting portion 03 upper end diameter of section of thin pipe 02 capacity diameter of section different of connecting portion 03 lower end, and the difference of the flow velocity produced, thereby improve the reaction rate of material in pipeline reactor 1, the wire netting filler is further strengthened this effect, pipeline reactor 1 can have a group or more reaction unit, makes gas fully to be blended in liquid, finally an end of the port of export of pipeline reactor 1 and circulating line 6 is bolted and is tightly connected, one end of the entrance point of pipeline reactor 1 and heater 2 is bolted and is tightly connected, finally reach with release surge tank 5, gas-liquid allotter 4, tubing pump 3, heater 2 and form closed circuit, make the material can reaction repeated, control the time of staying of material in pipeline reactor 1 by coutroi velocity and pipeline reactor 1 length, thereby improve quality and the yield of product.
Specific embodiment two:
Pipeline reactor also can adopt dish type pipeline 001, dish type pipeline 001 at least coils a circle is arranged, at first corrugated wire gauze packing is arranged in dish type pipeline 001, the two ends of dish type pipeline 001 are provided with flange, one end of the port of export of dish type pipeline 001 and circulating line 6 is bolted and is tightly connected, one end of the entrance point of dish type pipeline 001 and heater 2 is bolted and is tightly connected, finally reach and release surge tank 5, gas-liquid allotter 4, tubing pump 3, heater 2 forms closed circuit, make the material can reaction repeated, control the time of staying of material in pipeline reactor by coutroi velocity and pipeline reactor length, thereby improve quality and the yield of product.
The above, it is only the preferred embodiment of the utility model structure, not technical scope of the present utility model is made to any restriction, therefore any trickle modification, equivalent variations and modification that every foundation technical spirit of the present utility model is done above embodiment, all still belong in the scope of the technical solution of the utility model.
Claims (8)
1. a pipeline reactor that is applied to the production equipment of hydantoins, it is characterized in that: described pipeline reactor comprises at least one pipeline, between single pipeline and single pipeline, by connecting portion, is tightly connected and forms a group reaction device.
2. a kind of pipeline reactor that is applied to the production equipment of hydantoins according to claim 1, it is characterized in that: a described group reaction device can be tightly connected and form by connecting portion by single extra heavy pipe road and single thin pipe, and described reaction unit is at least one group.
3. a kind of pipeline reactor that is applied to the production equipment of hydantoins according to claim 1, it is characterized in that: described connecting portion is the dome shape, it is one-body molded with it that the upper end of connecting portion is provided with cylinder, the two ends of connecting portion all are provided with flange, and the diameter of section of described connecting portion upper end is less than the diameter of section of connecting portion lower end.
4. a kind of pipeline reactor that is applied to the production equipment of hydantoins according to claim 2, it is characterized in that: described extra heavy pipe road is linear pattern, thin pipe is class S type; It is one-body molded with it that the two ends of described extra heavy pipe road and thin pipe all are provided with flange, one end flanges in extra heavy pipe road and the flange of connecting portion lower end are joined and are tightly connected, the flange of connecting portion upper end is connected with the flange fitted seal of an end of thin pipe, between described flange and flange, by bolt seal, is fixedly connected with.
5. a kind of pipeline reactor that is applied to the production equipment of hydantoins according to claim 1, it is characterized in that: described pipeline reactor can be the dish type pipeline, and it is one-body molded with it that pipe ends is provided with flange.
6. a kind of pipeline reactor that is applied to the production equipment of hydantoins according to claim 5, it is characterized in that: described dish-type pipeline has at least coiled a circle.
7. a kind of pipeline reactor that is applied to the production equipment of hydantoins according to claim 1 or 5, is characterized in that: in described pipeline reactor, be provided with corrugated wire gauze packing.
8. a kind of pipeline reactor that is applied to the production equipment of hydantoins according to claim 1, it is characterized in that: the outlet of described pipeline reactor is connected with the release surge tank by circulating line, the import of pipeline reactor be linked in sequence having heaters, tubing pump, gas-liquid allotter be connected to form closed circuit with release surge tank discharging opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320413427 CN203342781U (en) | 2013-07-12 | 2013-07-12 | Pipeline-type reactor applied to hydantoin production equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320413427 CN203342781U (en) | 2013-07-12 | 2013-07-12 | Pipeline-type reactor applied to hydantoin production equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203342781U true CN203342781U (en) | 2013-12-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320413427 Expired - Fee Related CN203342781U (en) | 2013-07-12 | 2013-07-12 | Pipeline-type reactor applied to hydantoin production equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104630917A (en) * | 2015-02-13 | 2015-05-20 | 东华大学 | Preparation device and method for polyaniline nanofibers |
-
2013
- 2013-07-12 CN CN 201320413427 patent/CN203342781U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104630917A (en) * | 2015-02-13 | 2015-05-20 | 东华大学 | Preparation device and method for polyaniline nanofibers |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Hubei Xi Tai Chemical Co., Ltd. Assignor: Wuxi Meihua Chemical Co., Ltd. Contract record no.: 2014420000063 Denomination of utility model: Pipeline-type reactor applied to hydantoin production equipment Granted publication date: 20131218 License type: Exclusive License Record date: 20140507 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131218 Termination date: 20150712 |
|
| EXPY | Termination of patent right or utility model |