CN108465288A - Heat energy exchange device and application process between a kind of material - Google Patents
Heat energy exchange device and application process between a kind of material Download PDFInfo
- Publication number
- CN108465288A CN108465288A CN201810424477.0A CN201810424477A CN108465288A CN 108465288 A CN108465288 A CN 108465288A CN 201810424477 A CN201810424477 A CN 201810424477A CN 108465288 A CN108465288 A CN 108465288A
- Authority
- CN
- China
- Prior art keywords
- pipeline
- heat exchanger
- stop valve
- slurry
- melamine
- 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
Links
- 239000000463 material Substances 0.000 title claims abstract description 16
- 238000000034 method Methods 0.000 title claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 70
- 239000002002 slurry Substances 0.000 claims abstract description 35
- 229920000877 Melamine resin Polymers 0.000 claims abstract description 33
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 claims abstract description 33
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 10
- 239000000498 cooling water Substances 0.000 claims abstract description 10
- 238000007599 discharging Methods 0.000 claims description 12
- 238000002386 leaching Methods 0.000 claims description 7
- 150000001412 amines Chemical class 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000000746 purification Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 4
- 239000013078 crystal Substances 0.000 abstract description 3
- 238000004064 recycling Methods 0.000 abstract description 2
- 239000000126 substance Substances 0.000 abstract description 2
- 238000001816 cooling Methods 0.000 description 3
- 230000006837 decompression Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/16—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F27/00—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Other Air-Conditioning Systems (AREA)
Abstract
Heat energy exchange device and application process are Chemical Manufacture thermal energy exchange technologies between a kind of material, it is in the case where not breaking system material balance, the cooling water amount for also reducing melamine plant, reduces device steam consumption, to reduce Melamine Production cost；Type of the present invention is one heat exchanger of increase between purification system and rear system, the high temperature melamine slurry come out from purification system carbon filter FT3103 walks Tube Sheet of Heat Exchanger side, the chilled water (chw) of melamine system walks heat exchanger shell-side, with the energy heats chilled water (chw) of melamine slurry, after recycling a part of thermal energy, it is then sent through melamine crystallizer cooling water temperature, reduces the cooling water amount of crystal system；Chilling coolant-temperature gage after being heated by high temperature melamine slurry basically reaches index, reduces middle pressure steam dosage.
Description
Technical field
The present invention relates to Chemical Manufacture thermal energy exchange technology, heat energy exchange device and application side between especially a kind of material
Method.
Background technology
In melamine plant, high temperature melamine material of the original design from purification system carbon filter FT3103 out
Slurry, directly decompression are sent to melamine crystallizer and are crystallized with cooling water temperature, consume a large amount of cooling water；And it is used for melamine
The chilled water (chw) of amine system system needs to be heated with middle pressure steam, expends middle pressure steam more than 1 ton per hour, makes the cooling of melamine plant
Water and steam consumption quantity are big, and Melamine Production is of high cost.
Invention content
The object of the present invention is to provide heat energy exchange device and application process between a kind of energy-saving material, it be
In the case of not breaking system material balance, the cooling water amount of melamine plant is also reduced, reduces device steam consumption, from
And reduce Melamine Production cost.
Type of the present invention is one heat exchanger of increase between purification system and rear system, from purification system carbon filter
The high temperature melamine slurry that FT3103 comes out walks Tube Sheet of Heat Exchanger side, and the chilled water (chw) of melamine system walks heat exchanger shell-side,
With the energy heats chilled water (chw) of melamine slurry, after recycling a part of thermal energy, it is then sent through melamine crystallizer cooling water
Cooling, reduces the cooling water amount of crystal system；Chilling coolant-temperature gage after being heated by high temperature melamine slurry basically reaches
Index reduces middle pressure steam dosage.
The good effect of the technology of the present invention：After being run using the present apparatus, under the balance for keeping system material original,
Melamine per ton saves about 0.71 ton of steam of steam, and one ton of steam presses 100 yuan, i.e., melamine cost reduction 71 per ton
Member, a set of melamine plant, which is produced per year, presses 14000 tons, then saves 99.4 ten thousand yuan of fund every year, also reduces crystal system cooling
The thermic load of water 2160000KJ or so, works well；Since new heat exchanger shell-side installs safety valve, chilled water (chw) superpressure can be prevented
Damage equipment；Teletransmission thermocouple newly plus on heat exchanger discharging pipeline is installed, it is easy to operation according to this temperature.
Description of the drawings
The schematic diagram of Fig. 1 heat energy exchange devices between a kind of material, in figure：1, chilling water heater 2, heat exchanger 3,
Safety valve 4, carbon filter 5, the first slurry pipeline 6, the first stop valve 7, the second stop valve 8, the second slurry pipeline 9,
Third stop valve 10, thermocouple 11, heat exchanger discharging pipeline 12, pipeline lead leaching 13, the 4th stop valve 14, the first chilling
Water pipeline 15, the 5th stop valve 16, the second chilling water pipeline 17, the 6th stop valve 18, chilled water (chw) by-pass the 19, the 7th are cut
Disconnected valve 20, the 8th stop valve 21, the 9th stop valve 22, third chilling water pipeline.
Specific implementation mode
The present invention includes chilling water heater 1, heat exchanger 2, safety valve 3, carbon filter 4, the first slurry pipeline 5, first
Stop valve 6, the second stop valve 7, the second slurry pipeline 8, third stop valve 9, thermocouple 10, heat exchanger discharging pipeline 11, pipeline
Lead leaching 12, the 4th stop valve 13, the first chilling water pipeline 14, the 5th stop valve 15, the second chilling water pipeline 16, the 6th stop valve
17, chilled water (chw) by-pass 18, the 7th stop valve 19, the 8th stop valve 20, the 9th stop valve 21, third chilling water pipeline 22, it is described
It is connected with third chilling water pipeline 22, the first chilling water pipeline 14 among chilling water heater 1 and heat exchanger 2, in third chilling
9th stop valve 21 is installed on water pipeline 22；The cut-out of 7th stop valve 19 and the 4th is installed on the first chilling water pipeline 14
Valve 13；It is connected with the second chilling water pipeline 16 among heat exchanger 2 and third chilling water pipeline 22, on the second chilling water pipeline 16
5th stop valve 15 and the 8th stop valve 20 are installed；It is connect among the second chilling water pipeline 16 and the first chilling water pipeline 14
There is chilled water (chw) by-pass 18, the 6th stop valve 17 is installed on chilled water (chw) by-pass 18.
It is connected with the second slurry pipeline 8 in embodiment 2, the carbon filter 4, is equipped on the second slurry pipeline 8
Two stop valves 7.
The first slurry pipeline 5, heat exchanger discharging are connected among embodiment 3, the heat exchanger 2 and the second slurry pipeline 8
Pipeline 11 is equipped with the first stop valve 6 on the first slurry pipeline 5, and third cut-out is equipped on heat exchanger discharging pipeline 11
Valve 9, pipeline lead leaching 12；It is connected with thermocouple 10 among first slurry pipeline 5 and heat exchanger discharging pipeline 11.
Safety valve 3 is installed in embodiment 4, the heat exchanger 2.
Embodiment 5, the present invention application process be to discharge pipeline from the second slurry pipeline 8 of carbon filter 4 through heat exchanger
11 are sent to melamine crystallizer cooling water temperature；Chilled water (chw) is by third chilling water pipeline 22 to the first of 2 shell-side of heat exchanger
Chilling water pipeline 14, after being heated by high temperature melamine slurry in heat exchanger 2, the second chilling water pipe through 2 shell-side of heat exchanger
Line 16 is sent to chilling water heater 1.
When operation, check that closing all pipelines leads leaching 12, by the first cut-out on the melamine slurry pipeline of heat exchanger 2
9 standard-sized sheet of third stop valve on valve 6 and heat exchanger discharging pipeline 11, closes the second stop valve on former melamine slurry pipeline
7。
By on the 7th stop valve 19 of chilling water pipeline root of 2 shell-side of heat exchanger, chilling water pipeline the 4th stop valve 13,
8th stop valve 20 of the 5th stop valve 15, chilling water pipeline root on chilling water pipeline is opened, and former chilling water pipeline is closed
On the 9th stop valve 21, the 6th stop valve 17 on heat exchanger chilled water (chw) by-pass 18；It is opened according to the temperature of thermocouple 10
Greatly or turn down.
When operation, the chilled water (chw) for 2 shell-side of heat exchanger that first to come into operation, preheating heat exchanger tube bank；It comes into operation again 2 pipe side of heat exchanger
Melamine slurry.
When operation, the chilling coolant-temperature gage into heat exchanger 2 maintains 120 DEG C or more.
Claims (6)
1. heat energy exchange device between a kind of material, it includes chilling water heater (1), heat exchanger (2), safety valve (3), carbon mistake
Filter (4), the first slurry pipeline (5), the first stop valve (6), the second stop valve (7), the second slurry pipeline (8), third cut-out
Valve (9), thermocouple (10), heat exchanger discharging pipeline (11), pipeline lead leaching (12), the 4th stop valve (13), the first chilling water pipe
Line (14), the 5th stop valve (15), the second chilling water pipeline (16), the 6th stop valve (17), chilled water (chw) by-pass (18), the 7th cut
Disconnected valve (19), the 8th stop valve (20), the 9th stop valve (21), third chilling water pipeline (22), it is characterized in that：The chilled water (chw)
It is connected with third chilling water pipeline (22), the first chilling water pipeline (14) among heater (1) and heat exchanger (2), in third urgency
9th stop valve (21) is installed in cold line (22)；The 7th stop valve (19) is installed on the first chilling water pipeline (14)
With the 4th stop valve (13)；It is connected with the second chilling water pipeline (16) among heat exchanger (2) and third chilling water pipeline (22),
The 5th stop valve (15) and the 8th stop valve (20) are installed on second chilling water pipeline (16)；In the second chilling water pipeline (16)
It is connected with chilled water (chw) by-pass (18) with the first chilling water pipeline (14) centre, chilled water (chw) by-pass is equipped with the 6th stop valve on (18)
(17)。
2. heat energy exchange device between a kind of material according to claim 1, it is characterized in that：On the carbon filter (4)
It is connected with the second slurry pipeline (8), the second stop valve (7) is installed on the second slurry pipeline (8).
3. heat energy exchange device between a kind of material according to claim 1, it is characterized in that：The heat exchanger (2) and the
The first slurry pipeline (5), heat exchanger discharging pipeline (11) are connected among two slurry pipelines (8), on the first slurry pipeline (5)
First stop valve (6) is installed, third stop valve (9) is installed on heat exchanger discharging pipeline (11), pipeline leads leaching (12)；The
It is connected with thermocouple (10) among one slurry pipeline (5) and heat exchanger discharging pipeline (11).
4. heat energy exchange device between a kind of material according to claim 1, it is characterized in that：Pacify on the heat exchanger (2)
Equipped with safety valve (3).
5. the application process of heat energy exchange device between a kind of material described in claim 1, it is characterized in that：From carbon filter (4)
The second slurry pipeline (8) through heat exchanger discharging pipeline (11) be sent to melamine crystallizer cooling water temperature；Chilled water (chw) by
Third chilling water pipeline (22) arrives the first chilling water pipeline (14) of heat exchanger shell-side, by high temperature melamine in heat exchanger (2)
After the heating of amine slurry, the second chilling water pipeline (16) through heat exchanger shell-side is sent to chilling water heater (1).
6. the application process of heat energy exchange device between a kind of material described in claim 1, it is characterized in that：When operation, checks and close
It closes all pipelines and leads leaching (12), by the first stop valve (6) and heat exchanger discharge nozzle on the melamine slurry pipeline of heat exchanger
Third stop valve (9) standard-sized sheet on line closes the second stop valve (7) newly added on former melamine slurry pipeline；
By on the 7th stop valve (19) of chilling water pipeline root of heat exchanger shell-side, chilling water pipeline the 4th stop valve (13),
8th stop valve (20) of the 5th stop valve (15), chilling water pipeline root on chilling water pipeline is opened, and former chilled water (chw) is closed
The 9th stop valve (21) on pipeline, the 6th stop valve (17) on heat exchanger chilled water (chw) by-pass (18)；According to thermocouple (10)
Temperature carry out out big or turn down；
When operation, the chilled water (chw) for heat exchanger (2) shell-side that first to come into operation, preheating heat exchanger tube bank；It comes into operation again heat exchanger (2) pipe side
Melamine slurry；
When operation, the chilling coolant-temperature gage into heat exchanger (2) maintains 120 DEG C or more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810424477.0A CN108465288A (en) | 2018-05-07 | 2018-05-07 | Heat energy exchange device and application process between a kind of material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810424477.0A CN108465288A (en) | 2018-05-07 | 2018-05-07 | Heat energy exchange device and application process between a kind of material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108465288A true CN108465288A (en) | 2018-08-31 |
Family
ID=63260993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810424477.0A Pending CN108465288A (en) | 2018-05-07 | 2018-05-07 | Heat energy exchange device and application process between a kind of material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108465288A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3697519A (en) * | 1969-12-11 | 1972-10-10 | Stamicarbon | Process for separating off melamine from a hot synthesis gas mixture which contains melamine vapor |
| CN1180699A (en) * | 1997-09-19 | 1998-05-06 | 河北省广平县化肥厂 | Technology for producing ammonium carbonate with combined production of melamine |
| EP1566382A1 (en) * | 2004-01-17 | 2005-08-24 | Willi Dr. Ripperger | Process for the gentle cooling and crystallisation of melamin from a melamin melt or from the liquid phase |
| CN1942453A (en) * | 2004-04-14 | 2007-04-04 | Ami阿格罗林茨三聚氰胺国际有限公司 | Method for producing pure melamine |
| US20110003990A1 (en) * | 2008-03-04 | 2011-01-06 | Urea Casale S.A. | Process for the production of high purity melamine from urea |
| CN102452992A (en) * | 2010-10-20 | 2012-05-16 | 郗运柱 | Energy-saving process for producing melamine |
| CN202648227U (en) * | 2012-06-07 | 2013-01-02 | 何秀锦 | Waste heat recovery system for process cooling water |
| CN103495712A (en) * | 2013-09-17 | 2014-01-08 | 宝钢工程技术集团有限公司 | Continuous casting crystallizer cooling water preheating system and method |
| CN104235810A (en) * | 2014-09-08 | 2014-12-24 | 山东省舜天化工集团有限公司 | Heat energy recovery device for heat energy produced based on melamine |
| CN104292173A (en) * | 2014-09-08 | 2015-01-21 | 山东省舜天化工集团有限公司 | Melamine crystallizer-based gas heat recovery method |
| CN204757640U (en) * | 2015-06-16 | 2015-11-11 | 山东鲁新设计工程有限公司 | Tail gas waste heat recovery device |
-
2018
- 2018-05-07 CN CN201810424477.0A patent/CN108465288A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3697519A (en) * | 1969-12-11 | 1972-10-10 | Stamicarbon | Process for separating off melamine from a hot synthesis gas mixture which contains melamine vapor |
| CN1180699A (en) * | 1997-09-19 | 1998-05-06 | 河北省广平县化肥厂 | Technology for producing ammonium carbonate with combined production of melamine |
| EP1566382A1 (en) * | 2004-01-17 | 2005-08-24 | Willi Dr. Ripperger | Process for the gentle cooling and crystallisation of melamin from a melamin melt or from the liquid phase |
| CN1942453A (en) * | 2004-04-14 | 2007-04-04 | Ami阿格罗林茨三聚氰胺国际有限公司 | Method for producing pure melamine |
| US20110003990A1 (en) * | 2008-03-04 | 2011-01-06 | Urea Casale S.A. | Process for the production of high purity melamine from urea |
| CN102452992A (en) * | 2010-10-20 | 2012-05-16 | 郗运柱 | Energy-saving process for producing melamine |
| CN202648227U (en) * | 2012-06-07 | 2013-01-02 | 何秀锦 | Waste heat recovery system for process cooling water |
| CN103495712A (en) * | 2013-09-17 | 2014-01-08 | 宝钢工程技术集团有限公司 | Continuous casting crystallizer cooling water preheating system and method |
| CN104235810A (en) * | 2014-09-08 | 2014-12-24 | 山东省舜天化工集团有限公司 | Heat energy recovery device for heat energy produced based on melamine |
| CN104292173A (en) * | 2014-09-08 | 2015-01-21 | 山东省舜天化工集团有限公司 | Melamine crystallizer-based gas heat recovery method |
| CN204757640U (en) * | 2015-06-16 | 2015-11-11 | 山东鲁新设计工程有限公司 | Tail gas waste heat recovery device |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180831 |
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| WD01 | Invention patent application deemed withdrawn after publication |