CN113577816A - Steam condensate recycling equipment - Google Patents
Steam condensate recycling equipment Download PDFInfo
- Publication number
- CN113577816A CN113577816A CN202110906844.2A CN202110906844A CN113577816A CN 113577816 A CN113577816 A CN 113577816A CN 202110906844 A CN202110906844 A CN 202110906844A CN 113577816 A CN113577816 A CN 113577816A
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- CN
- China
- Prior art keywords
- heat exchanger
- pipeline
- sodium carbonate
- carbonate solution
- control valve
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- 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.)
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
- B01D5/0033—Other features
- B01D5/0036—Multiple-effect condensation; Fractional condensation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
- B01D5/0033—Other features
- B01D5/0054—General arrangements, e.g. flow sheets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
- B01D5/0057—Condensation of vapours; Recovering volatile solvents by condensation in combination with other processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
- B01D5/0057—Condensation of vapours; Recovering volatile solvents by condensation in combination with other processes
- B01D5/0075—Condensation of vapours; Recovering volatile solvents by condensation in combination with other processes with heat exchanging
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
- B01D5/0078—Condensation of vapours; Recovering volatile solvents by condensation characterised by auxiliary systems or arrangements
- B01D5/009—Collecting, removing and/or treatment of the condensate
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- 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
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D21/0001—Recuperative heat exchangers
- F28D21/0014—Recuperative heat exchangers the heat being recuperated from waste air or from vapors
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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
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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
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Abstract
The invention discloses a steam condensate recycling device which comprises a PTA production device and a first heat exchanger connected with the PTA production device through a first pipeline, wherein the first heat exchanger is connected with a second heat exchanger through a flow guide assembly, the second heat exchanger is connected with a third heat exchanger through a second pipeline, the third heat exchanger is connected with a fourth heat exchanger through a third pipeline, and the fourth heat exchanger is connected with the PTA production device through a fourth pipeline. According to the invention, through the mutual matching of the first heat exchanger, the second heat exchanger, the third heat exchanger, the fifth pipeline, the first control valve and the sodium carbonate solution tank, when the sodium carbonate solution needs to be prepared, the redundant condensate entering the sewage station is cut into the sodium carbonate solution tank, so that the amount of the steam condensate entering the sewage station is reduced, the sewage treatment capacity is reduced, and the water treatment cost and the labor cost are reduced.
Description
Technical Field
The invention relates to the technical field of chemical industry, in particular to a steam condensate recycling device.
Background
The lime set is the liquid that gets off by steam through the heat exchanger postheat recovery condensation, and the steam lime set is generally clean, can be used to the not strict place of water standard, in the device of production PTA, the steam lime set is produced through the heat exchanger condensation by the reaction gaseous phase, and most lime set carries out cyclic utilization through the lime set system, and unnecessary lime set gets into the sewage station through the pipe-line transportation, handles discharge after reaching standard through the sewage station.
However, if unnecessary lime set gets into the sewage station through pipe-line transportation, handles discharge after reaching standard through the sewage station, can cause the waste of lime set, and unnecessary lime set gets into the sewage station through pipe-line transportation, can improve the treatment pressure of sewage station, has increased the human cost and the treatment cost of sewage station, is not conform to modern energy-concerving and environment-protective demand, for this reason, we have designed a steam lime set recycle equipment and have solved above-mentioned problem.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a steam condensate recycling device.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a vapor condensate recycle equipment, includes PTA apparatus for producing and the first heat exchanger of being connected with PTA apparatus for producing through first pipeline, first heat exchanger is connected with the second heat exchanger through the water conservancy diversion subassembly, the second heat exchanger has the third heat exchanger through the second pipe connection, the third heat exchanger has the fourth heat exchanger through the third pipe connection, the fourth heat exchanger is connected with PTA apparatus for producing through the fourth pipeline, the third pipeline has the sodium carbonate solution jar through fifth pipe connection, sodium carbonate solution jar lateral wall is connected with feed mechanism and row's material mechanism respectively, the fifth pipeline is close to sodium carbonate solution jar one side and is connected with first control valve, the fifth pipeline lateral wall is connected with blowdown mechanism.
As a further description of the above technical solution:
and the side wall of the first pipeline is connected with a second control valve.
As a further description of the above technical solution:
the flow guide assembly comprises a centrifugal pump, and a liquid inlet and a liquid outlet of the centrifugal pump are respectively connected with the first heat exchanger and the second heat exchanger through a sixth pipeline.
As a further description of the above technical solution:
feed mechanism includes low pressure steam storage jar and demineralized water storage jar, low pressure steam storage jar and demineralized water storage jar are all connected with the sodium carbonate solution jar through the inlet pipe.
As a further description of the above technical solution:
the discharge mechanism comprises an extraction pump connected with the sodium carbonate solution tank through a delivery pipe, and a liquid outlet of the extraction pump is connected with a discharge pipe.
As a further description of the above technical solution:
the sewage draining mechanism comprises a sewage station connected with a fifth pipeline through a seventh pipeline, and the side wall of the seventh pipeline is connected with a third control valve.
The invention has the following beneficial effects:
1. compared with the prior art, the steam condensate recycling equipment has the advantages that through the mutual matching among the first heat exchanger, the second heat exchanger, the third heat exchanger, the fifth pipeline, the first control valve and the sodium carbonate solution tank, when the sodium carbonate solution needs to be configured, redundant condensate entering the sewage station is cut into the sodium carbonate solution tank, the quantity of the steam condensate entering the sewage station is reduced, the sewage treatment capacity is reduced, and therefore the water treatment cost and the labor cost are reduced.
2. Compared with the prior art, this steam condensate recycle equipment, this steam condensate replace low pressure steam and desalinized water to mix the back configuration sodium carbonate solution, configuration sodium carbonate solution temperature control is at about 80 ℃, and third heat exchanger outlet temperature is between 80 ℃ to 85 ℃, and the condition is met, uses the steam condensate, has alleviateed personnel's work load, has reduced the use amount of demineralized water and steam, has reduced manufacturing cost, and is more energy-concerving and environment-protective.
Drawings
Fig. 1 is a schematic structural diagram of a vapor condensate recycling device provided by the present invention.
Illustration of the drawings:
1. a first heat exchanger; 2. a second heat exchanger; 3. a third heat exchanger; 4. a fourth heat exchanger; 5. a centrifugal pump; 6. a sewage station; 7. a sodium carbonate solution tank; 8. a pump; 9. a PTA production device; 10. a low pressure vapor storage tank; 11. a desalted water storage tank; 12. a first conduit; 13. a second conduit; 14. a third pipeline; 15. a fourth conduit; 16. a fifth pipeline; 17. a first control valve; 18. a second control valve; 19. a sixth pipeline; 20. a seventh pipe; 21. and a third control valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a vapor condensate recycling apparatus: comprises a PTA production device 9 and a first heat exchanger 1 connected with the PTA production device 9 through a first pipeline 12, and a second control valve 18 is connected with the side wall of the first pipeline 12.
The first heat exchanger 1 is connected with the second heat exchanger 2 through a flow guide assembly, the flow guide assembly comprises a centrifugal pump 5, and a liquid inlet and a liquid outlet of the centrifugal pump 5 are respectively connected with the first heat exchanger 1 and the second heat exchanger 2 through a sixth pipeline 19.
The second heat exchanger 2 is connected with a third heat exchanger 3 through a second pipeline 13, the third heat exchanger 3 is connected with a fourth heat exchanger 4 through a third pipeline 14, and the fourth heat exchanger 4 is connected with the PTA production device 9 through a fourth pipeline 15, so that the recycling of the condensate in the device system can be realized.
The third pipeline 14 is connected with a sodium carbonate solution tank 7 through a fifth pipeline 16, the side wall of the sodium carbonate solution tank 7 is respectively connected with a feeding mechanism and a discharging mechanism, the feeding mechanism comprises a low-pressure steam storage tank 10 and a desalted water storage tank 11, the low-pressure steam storage tank 10 and the desalted water storage tank 11 are both connected with the sodium carbonate solution tank 7 through a feeding pipe, the discharging mechanism comprises an extraction pump 8 connected with the sodium carbonate solution tank 7 through a conveying pipe, the liquid outlet of the extraction pump 8 is connected with a discharging pipe, one side of the fifth pipeline 16, which is close to the sodium carbonate solution tank 7, is connected with a first control valve 17, and therefore, a pipeline of the sodium carbonate solution tank 7 can be dredged through the first control valve 17, redundant steam condensate can be switched from the decontamination water station 6 to the sodium carbonate solution tank 7 to replace the liquid formed by mixing the desalted water and the low-pressure steam in the sodium carbonate solution tank 7, the using amount of desalted water and low-pressure steam is reduced, the production cost of the sodium carbonate solution is reduced, the sodium carbonate solution is used for reacting with cobalt acetate and manganese acetate to form cobalt carbonate and manganese carbonate precipitates in the device, the cobalt carbonate and manganese carbonate precipitates are filtered and recovered through a filter, water originally prepared with the sodium carbonate solution is prepared by mixing the desalted water and the low-pressure steam, the water prepared with the sodium carbonate has no great requirement on the water standard, steam condensate is generally cleaner, the mixing temperature of the desalted water and the low-pressure steam is controlled to be 80 ℃ when the sodium carbonate is prepared, and the condensate temperature is between 80 ℃ and 85 ℃, so that the condensate is enough for producing the sodium carbonate solution.
The side wall of the fifth pipeline 16 is connected with a sewage draining mechanism, the sewage draining mechanism comprises a sewage station 6 connected with the fifth pipeline 16 through a seventh pipeline 20, the side wall of the seventh pipeline 20 is connected with a third control valve 21, and the third control valve 21 can be matched with the first control valve 17 to control the flow direction of condensate in the fifth pipeline 16.
The invention can be illustrated by the following operating modes:
steam generated in the PTA production device 9 enters the first heat exchanger 1 through the first pipeline 12 for heat exchange and condensation, the centrifugal pump 5 can pump condensate generated by the first heat exchanger 1 into the second heat exchanger 2 and enters the third heat exchanger 3 through the second pipeline 13, the condensate temperature after heat exchange and condensation of the third heat exchanger 3 is between 80 ℃ and 85 ℃, most of the condensate enters the fourth heat exchanger 4 through the third pipeline 14 for heat exchange and condensation again at the moment and then flows to the PTA production device 9 through the fourth pipeline 15, and recycling of the condensate is realized.
In the part lime set entering fifth pipeline 16 of third pipeline 14 of flowing through, opening first control valve 17, closing third control valve 21 after, the lime set can flow into sodium carbonate solution jar 7, uses the steam lime set to replace originally mixing with demineralized water and low pressure steam and dispose sodium carbonate solution, has reduced the use amount of demineralized water and low pressure steam, has reduced the energy consumption, has reduced the production cost, has also reduced staff's work load simultaneously.
After the first control valve 17 is closed and the third control valve 21 is opened, the redundant condensate can flow to the sewage station 6 through the seventh pipeline 20 and is discharged after reaching the standard after being treated by the sewage station 6, and the sodium carbonate solution is prepared from the steam condensate, so that the treatment capacity and the discharge capacity of the sewage are reduced, the pressure of the sewage station 6 is reduced, and the treatment cost of the sewage is reduced.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. The utility model provides a steam condensate recycle equipment, includes PTA apparatus for producing (9) and first heat exchanger (1) be connected with PTA apparatus for producing (9) through first pipeline (12), its characterized in that: the first heat exchanger (1) is connected with a second heat exchanger (2) through a flow guide assembly, the second heat exchanger (2) is connected with a third heat exchanger (3) through a second pipeline (13), the third heat exchanger (3) is connected with a fourth heat exchanger (4) through a third pipeline (14), and the fourth heat exchanger (4) is connected with a PTA production device (9) through a fourth pipeline (15);
the third pipeline (14) is connected with a sodium carbonate solution tank (7) through a fifth pipeline (16), the side wall of the sodium carbonate solution tank (7) is connected with a feeding mechanism and a discharging mechanism respectively, one side, close to the sodium carbonate solution tank (7), of the fifth pipeline (16) is connected with a first control valve (17), and the side wall of the fifth pipeline (16) is connected with a sewage discharge mechanism.
2. The vapor condensate recycling apparatus according to claim 1, wherein: and a second control valve (18) is connected to the side wall of the first pipeline (12).
3. The vapor condensate recycling apparatus according to claim 1, wherein: the flow guide assembly comprises a centrifugal pump (5), and a liquid inlet and a liquid outlet of the centrifugal pump (5) are respectively connected with the first heat exchanger (1) and the second heat exchanger (2) through a sixth pipeline (19).
4. The vapor condensate recycling apparatus according to claim 1, wherein: feed mechanism includes low pressure steam storage jar (10) and demineralized water storage jar (11), low pressure steam storage jar (10) and demineralized water storage jar (11) are all connected with sodium carbonate solution jar (7) through the inlet pipe.
5. The vapor condensate recycling apparatus according to claim 1, wherein: the discharge mechanism comprises an extraction pump (8) connected with a sodium carbonate solution tank (7) through a conveying pipe, and a liquid outlet of the extraction pump (8) is connected with a discharge pipe.
6. The vapor condensate recycling apparatus according to claim 1, wherein: the sewage draining mechanism comprises a sewage station (6) which is connected with a fifth pipeline (16) through a seventh pipeline (20), and a third control valve (21) is connected to the side wall of the seventh pipeline (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110906844.2A CN113577816A (en) | 2021-08-09 | 2021-08-09 | Steam condensate recycling equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110906844.2A CN113577816A (en) | 2021-08-09 | 2021-08-09 | Steam condensate recycling equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113577816A true CN113577816A (en) | 2021-11-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110906844.2A Pending CN113577816A (en) | 2021-08-09 | 2021-08-09 | Steam condensate recycling equipment |
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| Country | Link |
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| CN (1) | CN113577816A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114289372A (en) * | 2021-12-20 | 2022-04-08 | 伟创力电子技术(苏州)有限公司 | Device for switching pipelines of water washing machine |
-
2021
- 2021-08-09 CN CN202110906844.2A patent/CN113577816A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114289372A (en) * | 2021-12-20 | 2022-04-08 | 伟创力电子技术(苏州)有限公司 | Device for switching pipelines of water washing machine |
| CN114289372B (en) * | 2021-12-20 | 2024-04-23 | 伟创力电子技术(苏州)有限公司 | Device for switching pipeline of washing machine |
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