CN206553432U - A kind of process units of energy-saving Furfural hydrogenation to furfural alcohol - Google Patents
A kind of process units of energy-saving Furfural hydrogenation to furfural alcohol Download PDFInfo
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- CN206553432U CN206553432U CN201720125084.0U CN201720125084U CN206553432U CN 206553432 U CN206553432 U CN 206553432U CN 201720125084 U CN201720125084 U CN 201720125084U CN 206553432 U CN206553432 U CN 206553432U
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- furfural
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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
Abstract
The utility model belongs to a kind of process units of energy-saving Furfural hydrogenation to furfural alcohol；Including mechanical part and control section, including hydrogen cabinet and furfural material-compound tank, hydrogen cabinet by come hydrogen surge tank successively with hydrogen gas compressor, first threeway, hydrogen gas buffer, second threeway is connected with preheater, 3rd end of the second threeway is connected by furfural feed pump with furfural material-compound tank, preheater is connected with the bottom inlet of reactor in furfural hydrogenation reaction member, control section includes controller, the input of controller respectively with the first differential pressure indicator, second differential pressure indicator is connected with start-stop signalling means, the output end of controller respectively with the first stop valve, second stop valve, 3rd stop valve, 4th stop valve, 5th stop valve and the first regulating valve are connected；There is simple in construction, reasonable in design, saving power consumption, flexible adjustment, circulating air filtering is clean and can effectively extend hydrogen gas compressor service life.
Description
Technical field
The utility model belongs to furfuryl alcohol production technical field, and in particular to a kind of production of energy-saving Furfural hydrogenation to furfural alcohol
Device.
Background technology
In the technique of current furfural hydrogenation production furfuryl alcohol, the conversion ratio of raw material furfural is excessively mainly improved by hydrogen.
Excessive Hydrogen Vapor Pressure is still very high after reaction and can significantly be changed according to production requirement, during each manufacturer production, is usually
The excess hydrogen is depressurized to after reset pressure, then recycled by hydrogen gas compressor multistage pressuring machine, the waste of energy is caused；Together
When excess hydrogen can carry fraction solids impurity and enter hydrogen gas compressor, cause the parts damages such as compressor piston, influence long week
Phase steady production, causes furfuryl alcohol production cost to raise.
Utility model content
The purpose of this utility model be to overcome it is of the prior art not enough and provide it is a kind of it is simple in construction, reasonable in design,
Save power consumption, flexible adjustment, circulating air filtering is clean and can effectively extend a kind of energy-saving of hydrogen gas compressor service life
The process units of Furfural hydrogenation to furfural alcohol.
What the purpose of this utility model was realized in：Including mechanical part and control section, a, mechanical part include hydrogen
Gas holder and furfural material-compound tank, hydrogen cabinet by come hydrogen surge tank successively with hydrogen gas compressor, the first threeway, hydrogen gas buffer,
Two threeways are connected with preheater, and the 3rd end of second threeway is connected by furfural feed pump with furfural material-compound tank, preheater
It is connected with the bottom inlet of reactor in furfural hydrogenation reaction member, the bottom chaff of furfural hydrogenation reaction member high-pressure separator
Alcohol outlet is connected with crude glycol subsequent processing units, and the top gas outlet of furfural hydrogenation reaction member high-pressure separator passed through
Filter unit is connected with returning hydrogen surge tank, returns hydrogen surge tank and is connected by the 3rd threeway and the first regulating valve with carrying out hydrogen surge tank, the
3rd end of three threeways is connected by the 5th stop valve with hydrogen circulator, hydrogen circulator and the 3rd end phase of the first threeway
Even；Furfural hydrogenation reaction member includes reactor and high-pressure separator, provided with cold between described reactor and high-pressure separator
But device, the filter element includes two the first filters and the second filter in parallel, and the both sides of the first filter are set respectively
There are the first stop valve and the second stop valve；The both sides of second filter are respectively equipped with the 3rd stop valve and the 4th stop valve.B, control
System part includes controller, and the input of controller is connected with the first differential pressure indicator, the second differential pressure indicator and start-stop signalling means respectively, controls
The output end of device processed respectively with the first stop valve, the second stop valve, the 3rd stop valve, the 4th stop valve, the 5th stop valve and
One regulating valve is connected；First differential pressure indicator is arranged on the first filter, and the second differential pressure indicator is arranged on the second filter, hydrogen
Start-stop signalling means is installed on gas circulator.
Preferably, described furfural hydrogenation reaction member is a set of.
Preferably, described furfural hydrogenation reaction member is multiple sets of parallel.
Preferably, described hydrogen gas compressor is one.
Preferably, described hydrogen gas compressor is many parallel connections.
Preferably, described hydrogen circulator is one.
Preferably, described hydrogen circulator is many parallel connections.
The utility model has simple in construction, reasonable in design, saving power consumption, flexible adjustment, circulating air filtering totally and energy
The advantage of enough effectively extension hydrogen gas compressor service life.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is control principle drawing of the present utility model.
Embodiment
In order to be more clearly understood to technical characteristic of the present utility model, purpose and effect, now control is illustrated
Embodiment of the present utility model, in the various figures identical label represent identical part.To make in simplified form, each figure
The part related to utility model is only schematically show, they do not represent it as the practical structures of product.
As shown in Figure 1, 2, the utility model includes mechanical part and control section, and a, mechanical part include the and of hydrogen cabinet 22
Furfural material-compound tank 5, hydrogen cabinet 22 by come hydrogen surge tank 1 successively with hydrogen gas compressor 2, the first threeway 3, hydrogen gas buffer 4,
Two threeways 7 are connected with preheater 28, and the 3rd end of second threeway 7 is connected by furfural feed pump 6 with furfural material-compound tank 5,
Preheater 28 is connected with the bottom inlet of reactor 8 in furfural hydrogenation reaction member, the separation of furfural hydrogenation reaction member mesohigh
The bottom furfuryl alcohol outlet of device 10 is connected with crude glycol subsequent processing units 26, the top of furfural hydrogenation reaction member high-pressure separator 10
Portion's gas vent is connected by filter element with returning hydrogen surge tank 18, is returned hydrogen surge tank 18 and is passed through the 3rd threeway 17 and the first regulation
Valve 19 is connected with carrying out hydrogen surge tank 1, and the 3rd end of the 3rd threeway 17 is connected by the 5th stop valve 20 with hydrogen circulator 21, hydrogen
Gas circulator 21 is connected with the 3rd end 3 of the first threeway；Furfural hydrogenation reaction member includes reactor 8 and high-pressure separator 10,
Cooler 9 is provided between described reactor 8 and high-pressure separator 10, the filter element includes two the first filterings in parallel
The filter 16 of device 13 and second, the both sides of the first filter 13 are respectively equipped with the first stop valve 11 and the second stop valve 12；Second
The both sides of filter 16 are respectively equipped with the 3rd stop valve 14 and the 4th stop valve 15.
B, control section include controller 27, the input of controller 27 respectively with the first differential pressure indicator 23, the second differential pressure indicator
24 are connected with start-stop signalling means 25, and the output end of controller 27 is ended with the first stop valve 11, the second stop valve the 12, the 3rd respectively
Valve 14, the 4th stop valve 15, the 5th stop valve 20 are connected with the first regulating valve 19；First differential pressure indicator 23 is arranged on the first mistake
On filter 13, the second differential pressure indicator 24 is arranged on the second filter 16, and start-stop signalling means 25 is provided with hydrogen circulator 21.Institute
The furfural hydrogenation reaction member stated is a set of.Described furfural hydrogenation reaction member is multiple sets of parallel.Described hydrogen gas compressor 2
For one.Described hydrogen gas compressor 2 is many parallel connections.Described hydrogen circulator 21 is one.Described hydrogen circulator
21 be many parallel connections.
Hydrogen circulator 21 in the utility model is electrodeless regulation compressor, can be to the excess of pressure oscillation after reaction
Hydrogen directly compresses, and both can be recycled without decompression, and had greatlyd save power consumption；Meanwhile, gas mistake is installed returning hydrogen pipeline
Filter, filtering hydrogen in impurity, improve hydrogen purity, it is to avoid damage of the impurity to compressor in hydrogen, can extension device make
Use the life-span.In addition, being additionally provided with loop modulation function, when circulator breaks down, it can automatically switch and improve the steady of device
It is qualitative.Whether filter, or circulator fail-over system are higher compared to other plant automation degree, and operation is more
Safety, personnel labor intensity is greatly reduced.
Production method of the present utility model comprises the following steps：First, 20~40 DEG C, 0~4.3Mpa hydrogen in hydrogen cabinet 22
Gas is forced into 7.0~8.4Mpa after carrying out hydrogen surge tank 1 into hydrogen gas compressor 2, and temperature is 40~80 DEG C；Furfural material-compound tank 5
The furfural for being inside mixed with catalyst is forced into 7.0~8.4Mpa, 20~40 DEG C of temperature through furfural feed pump 6；2nd, in step one
7.0~8.4Mpa hydrogen enters in the second threeway 7 with passing through furfural in step one by the first threeway 3 and hydrogen gas buffer 4
Feed pump 6 enters pressure in the second threeway 7 and mixed for 7.0~8.4Mpa furfural, 100 are heated to through preheater 28 after mixing~
Enter after 190 DEG C in reactor 8 and carry out hydrogenation reaction generation crude furfuryl alcohol, 195~225 DEG C of the crude furfuryl alcohol temperature, pressure 7.0~
8.4Mpa；3rd, hydrogenation reaction is generated in step 2 195~225 DEG C, after 7.0~8.4Mpa crude furfuryl alcohol cools down through cooler 9
Again through entering horizontal high voltage separation in high-pressure separator 10, the crude furfuryl alcohol of high pressure separation is exported by the bottom furfuryl alcohol of high-pressure separator 10
Crude glycol subsequent processing units 26 are entered, the hydrogen of high pressure separation is exported by the top gas of high-pressure separator 10 discharges；Institute
Temperature of the crude furfuryl alcohol stated after subcooler 9 is 30~60 DEG C, and described crude furfuryl alcohol passes through the pressure after high-pressure separator 10
For：6.6~8.0Mpa；4th, the hydrogen of the top gas outlet discharge of step 3 high-pressure separator 10 passes through the first stop valve
11, which enter the hydrogen filtered out in the first filter 13 after the impurity carried in hydrogen, impurity screening, passes sequentially through the second stop valve
12nd, hydrogen surge tank 18, the 3rd end of the 3rd threeway 17, the 5th stop valve 20, the 3rd of the threeway of hydrogen circulator 21 and first the are returned
End 3 is used into the interior circulation of hydrogen gas buffer 4；Hydrogen after the impurity screening is by the pressure after hydrogen circulator 21
7.0~8.4Mpa；5th, in the step 4 when first differential pressure indicator 23 reaches 0.05Mpa on the first filter 13, the first pressure difference
Table 23 transmits signals to controller 27, and controller 27 controls the 3rd stop valve 14, the 4th stop valve 15 to open, makes second first
Filter 16 puts into operation；Its secondary control first stop valve 11, the second stop valve 12 are closed；Then by manually to the first filter
13 are cleared up；When the second differential pressure indicator 24 reaches 0.05Mpa, the second differential pressure indicator 24 transmits signals to controller 27, control
Device 27 controls the first stop valve 11, the second stop valve 12 to open first, the first filter 13 is put into operation；Its secondary control the 3rd
Stop valve 14, the 4th stop valve 15 are closed, after by manually clearing up the second filter 16；6th, when hydrogen circulator 21 is sent out
When raw failure can not be run, signal is fed back to controller 27 by start-stop signalling means 25, and controller 27 controls the first regulating valve first
19 are opened, and its stop valve 20 of secondary control the 5th is closed；The excessive hydrogen of reaction is depressurized to 0.05~4.3Mpa and buffered into hydrogen is carried out
Tank 1 is recycled.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " is set in description of the present utility model
Put ", " installation " etc. should be interpreted broadly, for example, it may be being fixedly connected, be integrally connected or be detachably connected；
It can also be the connection of two element internals；Can be joined directly together, can also be indirectly connected to by intermediary, for ability
For the those of ordinary skill in domain, concrete meaning of the above-mentioned term in the utility model can be understood as the case may be.On
Detailed description the illustrating only for feasibility embodiment of the present utility model of text, they are simultaneously not used to limitation originally
The protection domain of utility model, all equivalent implementations made without departing from the utility model skill spirit, change and transformation are equal
It should be included within protection domain of the present utility model.
Claims (7)
1. a kind of process units of energy-saving Furfural hydrogenation to furfural alcohol, including mechanical part and control section, it is characterised in that：
A, mechanical part include hydrogen cabinet (22) and furfural material-compound tank (5), hydrogen cabinet (22) by come hydrogen surge tank (1) successively with
Hydrogen gas compressor (2), the first threeway (3), hydrogen gas buffer (4), the second threeway (7) are connected with preheater (28), and described second
3rd end of threeway (7) is connected by furfural feed pump (6) with furfural material-compound tank (5), and preheater (28) reacts with furfural hydrogenation
The bottom inlet of reactor (8) is connected in unit, the bottom furfuryl alcohol outlet of furfural hydrogenation reaction member high-pressure separator (10)
It is connected with crude glycol subsequent processing units (26), the top gas outlet of furfural hydrogenation reaction member high-pressure separator (10) passes through
Filter element is connected with returning hydrogen surge tank (18), return hydrogen surge tank (18) by the 3rd threeway (17) and the first regulating valve (19) and
Carry out hydrogen surge tank (1) to be connected, the 3rd end of the 3rd threeway (17) is connected by the 5th stop valve (20) with hydrogen circulator (21),
Hydrogen circulator (21) is connected with the 3rd end of the first threeway (3)；Furfural hydrogenation reaction member includes reactor (8) and high pressure point
From device (10), cooler (9) is provided between described reactor (8) and high-pressure separator (10), the filter element includes two
Individual first filter (13) and the second filter (16) in parallel, the both sides of the first filter (13) are respectively equipped with the first stop valve
And the second stop valve (12) (11)；The both sides of second filter (16) are respectively equipped with the 3rd stop valve (14) and the 4th stop valve
(15);
B, control section include controller (27), the input of controller (27) respectively with the first differential pressure indicator (23), the second pressure difference
Table (24) is connected with start-stop signalling means (25), the output end of controller (27) respectively with the first stop valve (11), the second stop valve
(12), the 3rd stop valve (14), the 4th stop valve (15), the 5th stop valve (20) are connected with the first regulating valve (19)；Described
One differential pressure indicator (23) is arranged on the first filter (13), and the second differential pressure indicator (24) is arranged on the second filter (16), hydrogen
Start-stop signalling means (25) is installed on circulator (21).
2. the process units of energy-saving Furfural hydrogenation to furfural alcohol according to claim 1, it is characterised in that：Described furfural
Hydrogenation reaction unit is a set of.
3. the process units of energy-saving Furfural hydrogenation to furfural alcohol according to claim 1, it is characterised in that：Described furfural
Hydrogenation reaction unit is multiple sets of parallel.
4. the process units of energy-saving Furfural hydrogenation to furfural alcohol according to claim 1, it is characterised in that：Described hydrogen
Compressor (2) is one.
5. the process units of energy-saving Furfural hydrogenation to furfural alcohol according to claim 1, it is characterised in that：Described hydrogen
Compressor (2) is many parallel connections.
6. the process units of energy-saving Furfural hydrogenation to furfural alcohol according to claim 1, it is characterised in that：Described hydrogen
Circulator (21) is one.
7. the process units of energy-saving Furfural hydrogenation to furfural alcohol according to claim 1, it is characterised in that：Described hydrogen
Circulator (21) is many parallel connections.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720125084.0U CN206553432U (en) | 2017-01-22 | 2017-01-22 | A kind of process units of energy-saving Furfural hydrogenation to furfural alcohol |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720125084.0U CN206553432U (en) | 2017-01-22 | 2017-01-22 | A kind of process units of energy-saving Furfural hydrogenation to furfural alcohol |
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| Publication Number | Publication Date |
|---|---|
| CN206553432U true CN206553432U (en) | 2017-10-13 |
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| CN201720125084.0U Active CN206553432U (en) | 2017-01-22 | 2017-01-22 | A kind of process units of energy-saving Furfural hydrogenation to furfural alcohol |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109020929A (en) * | 2018-07-30 | 2018-12-18 | 河南心连心化肥有限公司 | A kind of crude furfuryl alcohol separator and its separating technology |
| CN110330469A (en) * | 2019-07-27 | 2019-10-15 | 河南心连心化学工业集团股份有限公司 | Energy recycle device and energy reclaiming method in a kind of crude furfuryl alcohol separation process |
-
2017
- 2017-01-22 CN CN201720125084.0U patent/CN206553432U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109020929A (en) * | 2018-07-30 | 2018-12-18 | 河南心连心化肥有限公司 | A kind of crude furfuryl alcohol separator and its separating technology |
| CN109020929B (en) * | 2018-07-30 | 2023-11-17 | 河南心连心化学工业集团股份有限公司 | Crude furfuryl alcohol separating device and separating process thereof |
| CN110330469A (en) * | 2019-07-27 | 2019-10-15 | 河南心连心化学工业集团股份有限公司 | Energy recycle device and energy reclaiming method in a kind of crude furfuryl alcohol separation process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 453731 Xinxiang Economic Development Zone, Henan Province (Xiaoji Town) Patentee after: Henan Xinlianxin Chemical Industry Group Co., Ltd. Address before: 453731 Henan Xinxiang Economic Development Zone Xiaoji Town Henan Xinlianxin Chemical Fertilizer Co., Ltd. Patentee before: Henan XInlianxin Fertiliser Limited Company |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191119 Address after: 453731 gate 5, east section of Qinglong Road, Langgongmiao Town, Xinxiang County, Xinxiang City, Henan Province Patentee after: Henan hydrogen energy Co., Ltd Address before: 453731 Xinxiang Economic Development Zone, Henan Province (Xiaoji Town) Patentee before: Henan Xinlianxin Chemical Industry Group Co., Ltd. |