CN201529403U - Pentaerythritol continuous evaporation energy-saving device - Google Patents
Pentaerythritol continuous evaporation energy-saving device Download PDFInfo
- Publication number
- CN201529403U CN201529403U CN2009202590597U CN200920259059U CN201529403U CN 201529403 U CN201529403 U CN 201529403U CN 2009202590597 U CN2009202590597 U CN 2009202590597U CN 200920259059 U CN200920259059 U CN 200920259059U CN 201529403 U CN201529403 U CN 201529403U
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- Prior art keywords
- evaporator
- pipelines
- film evaporator
- grade
- heater
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- 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
-
- 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
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- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
A pentaerythritol continuous evaporation energy-saving device comprises a I-grade evaporator 1, a falling-film evaporator 2, a II-grade evaporator 3, a circulating pump 4, a heater 5 and some necessary pipelines which are connected, wherein the I-grade evaporator 1 is connected with the top portion of the falling-film evaporator 2 and the II-grade evaporator 3 through the pipelines and the circulating pump 4, a valve is mounted in the pipelines, the bottom of the falling-film evaporator 2 is connected with the I-grade evaporator 1 through the pipelines, a heating medium inlet pipe on the falling-film evaporator 2 is connected with the I-grade evaporator 1 through the pipelines, the heating medium inlet pipe on the falling-film evaporator 2 is connected with the output pipe of steam evaporated by the II-grade evaporator 3, the II-grade evaporator 3 is connected with the heater 5 through the pipelines, and the heating medium inlet pipe on the heater 5 and a secondary steam outlet of a stripping formaldehyde tower are connected. The pentaerythritol continuous evaporation energy-saving device can be used for continuously evaporating pentaerythrite, and can be further used for the evaporation operation of other chemical devices, and can quickly evaporate water in pentaerythrite condensed liquid, evaporation retention period is short, product color is excellent, a low-level thermal source of the stripping formaldehyde tower can be fully utilized, and steam consumption can be greatly saved.
Description
Technical field
The utility model relates to the evaporative crystallization device that uses in a kind of chemical process, particularly a kind of energy saver of pentaerythrite continuous evaporation.
Background technology
At present, the normal employing of domestic traditional pentaerythrite evaporation double flash evaporation, the one-level evaporation is to use the indirect steam of dealdehyder tower, and dual evaporation is to use primary steam.The evaporation of traditional pentaerythrite will consume more steam, and can not continued operation, the operation less stable.
Summary of the invention
The purpose of this utility model is the above-mentioned deficiency that overcomes prior art, and provide a kind of energy saver of pentaerythrite continuous evaporation, it both can be used for the continuous evaporation of pentaerythrite, also can be used for the evaporation operation of other chemical plant installations simultaneously, had the advantage of saving steam consumption and continued operation.
The technical solution of the utility model is: a kind of energy saver of pentaerythrite continuous evaporation comprises that one-level evaporimeter, downward film evaporator, secondary evaporimeter, circulating pump, heater and the pipeline that some are necessary are formed by connecting; The one-level evaporimeter is connected with secondary evaporimeter with the top of downward film evaporator with circulating pump by pipeline, and valve is installed in the pipeline; The bottom of downward film evaporator is connected with the one-level evaporimeter by pipeline, and the heat medium inlet tube on it is connected with the steam outlet pipe that secondary evaporimeter steams; Secondary evaporimeter is connected with heater by pipeline.
The further technical scheme of the utility model is: the one-level evaporimeter is connected with the top of downward film evaporator with circulating pump by pipeline.
The further again technical scheme of the utility model is: the heat medium inlet tube on the heater is connected with the indirect steam outlet of dealdehyder tower.
The utility model both can be used for the continuous evaporation of pentaerythrite, the evaporation operation that also can be used for other chemical plant installations simultaneously, can steam the moisture in the pentaerythrite condensation liquid fast, the evaporation time of staying is short, product colour is good, can make full use of the low level heat energy of dealdehyder tower, saves the consumption of steam greatly, compared with prior art, have following characteristics:
1, the utility model improved greatly low level heat energy utilization ratio, adopt downward film evaporator can effectively improve heat transfer efficiency;
2, the utility model only needs a vacuum system, and the power consumption of operation reduces by 50%;
This composite set can be realized the purpose that continuous evaporation concentrates.
3, the steam consumption of the utility model pentaerythrite per ton is than low 1～1.5 ton of traditional vaporising device.
Below in conjunction with the drawings and specific embodiments detailed content of the present utility model is further described.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
The specific embodiment
As shown in Figure 1: a kind of energy saver of pentaerythrite continuous evaporation comprises that one-level evaporimeter 1, downward film evaporator 2, secondary evaporimeter 3, circulating pump 4, heater 5 and the pipeline that some are necessary are formed by connecting; One-level evaporimeter 1 is connected with secondary evaporimeter 3 with the top of downward film evaporator 2 with circulating pump 4 by pipeline, and valve is installed in the pipeline; The bottom of downward film evaporator 2 is connected with one-level evaporimeter 1 by pipeline, and the heat medium inlet tube on it is connected with the steam outlet pipe that secondary evaporimeter 3 steams; Secondary evaporimeter 3 is connected with heater 5 by pipeline, and the heat medium inlet tube on the heater 5 is connected with the indirect steam outlet of dealdehyder tower.
Operation principle of the present utility model is: the condensation liquid from the high temperature pentaerythrite of dealdehyder tower bottom enters one-level evaporimeter 1 continuously, under the effect of vacuum, the condensation liquid of high temperature pentaerythrite flashes off part moisture in one-level evaporimeter 1, material after concentrating is evacuated to the top of downward film evaporator 2 by circulating pump 4, further heating evaporation in downward film evaporator 2, the steam that the heating thermal source of downward film evaporator 2 is steamed by secondary evaporimeter 3 provides; After the concentration of one-level evaporimeter 1 meets the requirements, deliver to secondary evaporimeter 3 by circulating pump 4, the thermal source of secondary evaporimeter 3 is provided by heater 5, and the steam of heater 5 is from the indirect steam of dealdehyder tower; When the proportion of secondary evaporimeter 3 reaches 1.25～1.27, deliver to crystallization kettle from the material that the successive extraction in heater 5 bottoms is concentrated.
Claims (3)
1. the energy saver of a pentaerythrite continuous evaporation is characterized in that comprising that one-level evaporimeter, downward film evaporator, secondary evaporimeter, circulating pump, heater and the pipeline that some are necessary are formed by connecting; The one-level evaporimeter is connected with secondary evaporimeter with the top of downward film evaporator with circulating pump by pipeline, and valve is installed in the pipeline; The bottom of downward film evaporator is connected with the one-level evaporimeter by pipeline, and the heat medium inlet tube on it is connected with the steam outlet pipe that secondary evaporimeter steams; Secondary evaporimeter is connected with heater by pipeline.
2. the energy saver of pentaerythrite continuous evaporation according to claim 1 is characterized in that the one-level evaporimeter is connected with the top of downward film evaporator with circulating pump by pipeline.
3. the energy saver of pentaerythrite continuous evaporation according to claim 1 and 2 is characterized in that the heat medium inlet tube on the heater is connected with the indirect steam outlet of dealdehyder tower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202590597U CN201529403U (en) | 2009-10-27 | 2009-10-27 | Pentaerythritol continuous evaporation energy-saving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202590597U CN201529403U (en) | 2009-10-27 | 2009-10-27 | Pentaerythritol continuous evaporation energy-saving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201529403U true CN201529403U (en) | 2010-07-21 |
Family
ID=42524814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202590597U Expired - Fee Related CN201529403U (en) | 2009-10-27 | 2009-10-27 | Pentaerythritol continuous evaporation energy-saving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201529403U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103450001A (en) * | 2013-09-23 | 2013-12-18 | 湖北宜化化工股份有限公司 | Method and equipment for concentrating sodium formate in pentaerythritol production |
| CN105693467A (en) * | 2016-04-06 | 2016-06-22 | 内蒙古宜化化工有限公司 | Energy-saving production method of pentaerythritol |
| CN106349042A (en) * | 2016-08-30 | 2017-01-25 | 安徽金禾实业股份有限公司 | Method for producing energy-saving pentaerythritol deacetylation tower |
| CN108837542A (en) * | 2018-06-28 | 2018-11-20 | 上海新奥新能源技术有限公司 | A kind of evaporation concentration system |
-
2009
- 2009-10-27 CN CN2009202590597U patent/CN201529403U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103450001A (en) * | 2013-09-23 | 2013-12-18 | 湖北宜化化工股份有限公司 | Method and equipment for concentrating sodium formate in pentaerythritol production |
| CN105693467A (en) * | 2016-04-06 | 2016-06-22 | 内蒙古宜化化工有限公司 | Energy-saving production method of pentaerythritol |
| CN105693467B (en) * | 2016-04-06 | 2018-02-09 | 内蒙古宜化化工有限公司 | A kind of pentaerythrite energy-saving production method |
| CN106349042A (en) * | 2016-08-30 | 2017-01-25 | 安徽金禾实业股份有限公司 | Method for producing energy-saving pentaerythritol deacetylation tower |
| CN106349042B (en) * | 2016-08-30 | 2018-11-06 | 安徽金禾实业股份有限公司 | A kind of pentaerythrite dealdehyder tower energy-saving production method |
| CN108837542A (en) * | 2018-06-28 | 2018-11-20 | 上海新奥新能源技术有限公司 | A kind of evaporation concentration system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100721 Termination date: 20101027 |