CN202492487U - Device for recycling steam heat energy at esterification section in polyester production - Google Patents
Device for recycling steam heat energy at esterification section in polyester production Download PDFInfo
- Publication number
- CN202492487U CN202492487U CN2012201145610U CN201220114561U CN202492487U CN 202492487 U CN202492487 U CN 202492487U CN 2012201145610 U CN2012201145610 U CN 2012201145610U CN 201220114561 U CN201220114561 U CN 201220114561U CN 202492487 U CN202492487 U CN 202492487U
- Authority
- CN
- China
- Prior art keywords
- steam
- branch road
- esterification
- heat energy
- production
- 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.)
- Expired - Lifetime
Links
- 230000032050 esterification Effects 0.000 title claims abstract description 28
- 238000005886 esterification reaction Methods 0.000 title claims abstract description 28
- 229920000728 polyester Polymers 0.000 title claims abstract description 21
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- 238000004064 recycling Methods 0.000 title abstract 5
- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical compound [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 claims abstract description 18
- 238000004065 wastewater treatment Methods 0.000 claims abstract description 17
- 238000001816 cooling Methods 0.000 claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000011084 recovery Methods 0.000 claims description 14
- 229940059936 lithium bromide Drugs 0.000 claims description 7
- 238000007710 freezing Methods 0.000 claims description 5
- 230000008014 freezing Effects 0.000 claims description 5
- 230000008676 import Effects 0.000 claims description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 3
- 229910052744 lithium Inorganic materials 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 3
- 239000000498 cooling water Substances 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 238000007599 discharging Methods 0.000 abstract 3
- 238000005057 refrigeration Methods 0.000 abstract 2
- 238000000034 method Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 5
- 230000007812 deficiency Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 239000004753 textile Substances 0.000 description 2
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
- 229910052794 bromium Inorganic materials 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
- Y02A30/274—Relating to heating, ventilation or air conditioning [HVAC] technologies using waste energy, e.g. from internal combustion engine
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/62—Absorption based systems
- Y02B30/625—Absorption based systems combined with heat or power generation [CHP], e.g. trigeneration
-
- 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
Landscapes
- Polyesters Or Polycarbonates (AREA)
Abstract
The utility model discloses a device for recycling steam heat energy at an esterification section in polyester production. The device is connected with a steam discharging port at the esterification section in polyester production and comprises a waste water treatment device and a cooling branch connected between the steam discharging port and the waste water treatment device, wherein the cooling branch comprises a condenser and a heat energy recycling branch which is connected between the steam discharging port and the waste water treatment device and is connected in parallel with the cooling branch; and the heat energy recycling branch comprises a lithium bromide refrigerator. The device has the following advantage: heat energy of esterification steam pushes the lithium bromide refrigerator to make refrigeration water. The following technical effects can be achieved: a, the refrigeration water can be supplied to required users, so that aims of recycling the heat energy of the esterification steam, saving energy and reducing consumption are fulfilled; and b, the consumption of cooling water can be reduced.
Description
Technical field
The utility model relates to a kind of device that reclaims esterification workshop section steam thermal energy in the production of polyester, relates in particular to the device of esterification workshop section steam thermal energy in the recovery production of polyester of the polyester synthesis technique in a kind of field of textiles.
Background technology
In the polyester synthesis technique of field of textiles, please refer to Fig. 1, the knockout tower 3 of esterification workshop section produces esterification steam, and this esterification steam temperature is about 112 ℃, and pressure is about 0.06MPa.This part steam adopts condensing surface 1 after water quench at present, send wastewater treatment equipment 2 to carry out wastewater treatment process, and it has following deficiency: 1, the heat energy of waste esterification steam; 2, consume a large amount of water coolants.
The utility model content
The utility model provides a kind of device that reclaims esterification workshop section steam thermal energy in the production of polyester, and it has overcome the existing deficiency of device of esterification workshop section steam thermal energy in the recovery production of polyester in the background technology.
The technical scheme that is adopted that the utility model solves its technical problem is:
A kind of device that reclaims esterification workshop section steam thermal energy in the production of polyester; It connects the steam outlet (11) of the knockout tower (10) of esterification workshop section in the production of polyester; It comprises that a wastewater treatment equipment (20) and is connected the cooling of one between steam outlet (11) and wastewater treatment equipment (20) branch road; Said cooling branch road comprises a condensing surface (30); It comprises that also one is connected between steam outlet (11) and wastewater treatment equipment (20) and the energy recovery branch road of parallelly connected cooling branch road, and said energy recovery branch road comprises monobromination lithium refrigerator (40).
Among one preferred embodiment: said cooling branch road comprises that also one connects first valve (50) between condensing surface (30) and steam outlet (11); Said energy recovery branch road comprises that also one connects second valve (60) between lithiumbromide refrigerator (40) and steam outlet (11).
Among one preferred embodiment: said lithiumbromide refrigerator (40) has a freezing water route and a steam branch road, and the import and export of said steam branch road connect second valve (60) and wastewater treatment equipment (20) respectively.
The present technique scheme is compared with background technology, and it has following advantage:
Utilize the heat energy promotion lithiumbromide refrigerator of esterification steam to produce refrigerated water; It has overcome existing deficiency in the background technology; And produce following technique effect: a, can use the user that the refrigerated water supply needs, reach the purpose that reclaims esterification steam heat energy, realize energy saving purposes; B, can reduce the consumption of water coolant.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is described further.
Fig. 1 has illustrated the synoptic diagram of esterification workshop section VT in the production of polyester of background technology.
Fig. 2 has illustrated the schematic representation of apparatus of esterification workshop section steam thermal energy in the recovery production of polyester of a preferred embodiment.
Embodiment
Please refer to Fig. 2; A kind of device that reclaims esterification workshop section steam thermal energy in the production of polyester; It connects the steam outlet 11 of the knockout tower 10 of esterification workshop section in the production of polyester; It comprises that a wastewater treatment equipment 20 and is connected a cooling branch road of 20 of steam outlet 11 and wastewater treatment equipments, and it comprises that also one is connected the energy recovery branch road of steam outlet 11 and 20 of wastewater treatment equipments and parallel connection cooling branch road.Said cooling branch road comprises a condensing surface 30, and said energy recovery branch road comprises monobromination lithium refrigerator 40.Among the present embodiment, said cooling branch road comprises that also one connects first valve 50 of 11 of condensing surface 30 and steam outlets; Said energy recovery branch road comprises that also one connects second valve 60 of 11 of lithiumbromide refrigerator 40 and steam outlets.
Said lithiumbromide refrigerator 40 has a freezing water route and a steam branch road; The import and export of said steam branch road connect second valve 60 and wastewater treatment equipment 20 respectively; Said water gets into through the import in freezing water route, and the refrigerated water of generation is from the outlet output in freezing water route.
Because the present most producer of polyester production process adopts continuous production processes, vapor pressure power and temperature that esterification technique produces are relatively stable, and the amount of steam is also relatively stable, so this provides condition for the energy recovery of steam.
Among the present embodiment; Recycle the heat energy in the esterification steam; Practicing thrift the consumption of refrigerated water, is example with the retrieving arrangement of setting up 100 * 104kcal/h bromine cooling machine, but the heat energy conserve water steam consumption 1253kg/h of recovery; Can practice thrift 143 tons/h of cooling water inflow, produce about 183.72 ten thousand yuan of year benefit.
The above; Be merely the utility model preferred embodiment; So can not limit the scope that the utility model is implemented according to this, the equivalence of promptly doing according to the utility model claim and description changes and modifies, and all should still belong in the scope that the utility model contains.
Claims (3)
1. device that reclaims esterification workshop section steam thermal energy in the production of polyester; It connects the steam outlet (11) of the knockout tower (10) of esterification workshop section in the production of polyester; It comprises that a wastewater treatment equipment (20) and is connected the cooling of one between steam outlet (11) and wastewater treatment equipment (20) branch road; Said cooling branch road comprises a condensing surface (30); It is characterized in that: it comprises that also one is connected between steam outlet (11) and wastewater treatment equipment (20) and the energy recovery branch road of parallelly connected cooling branch road, and said energy recovery branch road comprises monobromination lithium refrigerator (40).
2. a kind of device that reclaims esterification workshop section steam thermal energy in the production of polyester according to claim 1 is characterized in that: said cooling branch road comprises that also one connects first valve (50) between condensing surface (30) and steam outlet (11); Said energy recovery branch road comprises that also one connects second valve (60) between lithiumbromide refrigerator (40) and steam outlet (11).
3. a kind of device that reclaims esterification workshop section steam thermal energy in the production of polyester according to claim 2; It is characterized in that: said lithiumbromide refrigerator (40) has a freezing water route and a steam branch road, and the import and export of said steam branch road connect second valve (60) and wastewater treatment equipment (20) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201145610U CN202492487U (en) | 2012-03-23 | 2012-03-23 | Device for recycling steam heat energy at esterification section in polyester production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201145610U CN202492487U (en) | 2012-03-23 | 2012-03-23 | Device for recycling steam heat energy at esterification section in polyester production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202492487U true CN202492487U (en) | 2012-10-17 |
Family
ID=46998723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201145610U Expired - Lifetime CN202492487U (en) | 2012-03-23 | 2012-03-23 | Device for recycling steam heat energy at esterification section in polyester production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202492487U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104231252A (en) * | 2014-09-01 | 2014-12-24 | 桐昆集团股份有限公司 | Polyester waste heat utilization device |
| CN110354788A (en) * | 2019-08-09 | 2019-10-22 | 江苏恒科新材料有限公司 | A kind of polyester esterification reaction device |
-
2012
- 2012-03-23 CN CN2012201145610U patent/CN202492487U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104231252A (en) * | 2014-09-01 | 2014-12-24 | 桐昆集团股份有限公司 | Polyester waste heat utilization device |
| CN110354788A (en) * | 2019-08-09 | 2019-10-22 | 江苏恒科新材料有限公司 | A kind of polyester esterification reaction device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160323 Address after: 361000 Fujian Province, Xiamen city Xiangan District Road No. 2010 layer of a circle Patentee after: Xiamen Xiangyu Wang Xing special material Co Ltd Address before: 361000 Fujian Province, Xiamen city Xiangan District Lane North Industrial Zone Road No. 1999 circles Patentee before: Fibrechem Technologies Limited |
|
| CX01 | Expiry of patent term |
Granted publication date: 20121017 |
|
| CX01 | Expiry of patent term |