CN220676760U - System for secondary utilization steam condensate water in alternating temperature evaporation phosphoric acid concentration device - Google Patents
System for secondary utilization steam condensate water in alternating temperature evaporation phosphoric acid concentration device Download PDFInfo
- Publication number
- CN220676760U CN220676760U CN202321880254.8U CN202321880254U CN220676760U CN 220676760 U CN220676760 U CN 220676760U CN 202321880254 U CN202321880254 U CN 202321880254U CN 220676760 U CN220676760 U CN 220676760U
- Authority
- CN
- China
- Prior art keywords
- steam condensate
- heat exchanger
- variable
- temperature evaporation
- phosphoric acid
- 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.)
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Links
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 title claims abstract description 44
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 31
- 230000008020 evaporation Effects 0.000 title claims abstract description 28
- 238000001704 evaporation Methods 0.000 title claims abstract description 28
- 229910000147 aluminium phosphate Inorganic materials 0.000 title claims abstract description 22
- 239000002918 waste heat Substances 0.000 claims abstract description 17
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- 239000007788 liquid Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
Abstract
The utility model discloses a system for secondarily utilizing steam condensate in a variable-temperature evaporation phosphoric acid concentration device, which comprises a variable-temperature evaporation phosphoric acid concentration device, wherein the variable-temperature evaporation phosphoric acid concentration device comprises a heat exchanger and a variable-temperature evaporation module, the variable-temperature evaporation module is provided with an air inlet and an air outlet, and the heat exchanger is provided with a steam condensate inlet and a steam condensate outlet; according to the utility model, the waste heat exchanger is additionally arranged on an air inlet pipeline arranged on the variable-temperature evaporation module, and a condensed water inlet pipeline of the waste heat exchanger is additionally provided with a branch pipeline which is connected to a steam condensed water outlet of the heat exchanger. The inventors point out: the parameters of the waste heat exchanger are determined by the air quantity and the usage amount of steam condensate water. The utility model can make secondary use of the steam condensate water, and can discharge the steam condensate water at a lower temperature after being used as a heat source as far as possible, thereby reducing the usage amount of the steam condensate water and avoiding wasting resources.
Description
Technical Field
The utility model relates to a system for secondarily utilizing steam condensate water in a variable-temperature evaporation phosphoric acid concentration device.
Background
The utility model is based on a variable-temperature evaporation phosphoric acid concentration device of Vat Fu chemical company. As known, the temperature-changing evaporation system uses steam condensate water as a heat source to heat phosphoric acid circulating liquid, and the phosphoric acid circulating liquid is contacted with air to transfer mass and heat so as to achieve the purpose of evaporation. In the process, the steam condensate water is used as a heat source only once, and the temperature of about 80 ℃ still exists after the steam condensate water is used, so that the steam condensate water is difficult to be used as the heat source of other equipment and is very wasteful.
Therefore, the technology designs a system capable of secondarily utilizing the steam condensate, so that the steam condensate is discharged at a lower temperature after being used as a heat source as much as possible, and the resource waste is avoided.
Disclosure of Invention
The utility model aims to design a system capable of secondarily utilizing steam condensate, so that the steam condensate is discharged at a lower temperature after being used as a heat source as much as possible, and resources are prevented from being wasted.
The technical scheme for realizing the utility model is as follows: the device comprises a variable-temperature evaporation phosphoric acid concentration device, wherein the variable-temperature evaporation phosphoric acid concentration device comprises a heat exchanger and a variable-temperature evaporation module, the variable-temperature evaporation module is provided with an air inlet and an air outlet, and the heat exchanger is provided with a steam condensate water inlet and a steam condensate water outlet; and a waste heat exchanger is additionally arranged on an air inlet pipeline arranged on the variable-temperature evaporation module, and a condensed water inlet pipeline of the waste heat exchanger is additionally provided with a branch pipeline which is connected to a steam condensed water outlet of the heat exchanger.
Preferably, a waste heat exchanger is additionally arranged on an air inlet pipeline arranged on the variable-temperature evaporation module, so that the heat exchange efficiency is improved while the resistance of steam condensate water is reduced.
Preferably, the waste heat exchanger is an aluminum fin tube heat exchanger.
The inventors point out: the parameters of the waste heat exchanger are determined by the air quantity and the usage amount of steam condensate water. The air volume is about 15000m 3 And/h, the flow of the steam condensate is about 20m 3 At/h, the heat exchange capacity was about 250kW.
The utility model has the advantages that: the air is heated in advance by utilizing the residual heat of the steam condensate water, so that the loss of phosphoric acid circulating liquid when the phosphoric acid circulating liquid is contacted with the air and performs mass and heat transfer is reduced, and the heat consumption is reduced.
The secondary utilization steam condensate system can reduce the usage amount of steam condensate, namely the energy consumption.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of a prior art device;
in the figure: 1-a heat exchanger; 2-a variable-temperature evaporation module; 3-waste heat exchanger.
Detailed Description
Examples
As shown in fig. 1 and fig. 2 in comparison, a waste heat exchanger 3 is added on the original system in fig. 2, after the steam condensate water and the phosphoric acid circulating liquid exchange heat in the heat exchanger 1, the steam condensate water and the air exchange heat in the waste heat exchanger 3, and the air is heated in advance, so that the heat transfer quantity of the phosphoric acid circulating liquid is reduced in the variable-temperature evaporation module 2 by the air and the phosphoric acid circulating liquid, and the heat exchange consumption of the steam condensate water in the heat exchanger 1 and the phosphoric acid circulating liquid is reduced.
A company uses the secondary usage steam condensationA water system. Waste heat exchanger specification: air volume 15000m 3 And/h, the usage amount of the steam condensate water is 20m 3 And/h. The final consumption of the steam condensate water can be reduced by 5% -15%.
Claims (3)
1. The system for secondarily utilizing the steam condensate water in the variable-temperature evaporation phosphoric acid concentration device comprises the variable-temperature evaporation phosphoric acid concentration device, wherein the variable-temperature evaporation phosphoric acid concentration device comprises a heat exchanger and a variable-temperature evaporation module, the variable-temperature evaporation module is provided with an air inlet and an air outlet, and the heat exchanger is provided with a steam condensate water inlet and a steam condensate water outlet; the device is characterized in that a waste heat exchanger is additionally arranged on an air inlet pipeline arranged on the variable-temperature evaporation module, and a condensed water inlet pipeline of the waste heat exchanger is additionally provided with a branch pipeline which is connected to a steam condensed water outlet of the heat exchanger.
2. The system for secondarily utilizing steam condensate in the variable-temperature evaporation phosphoric acid concentration device according to claim 1, wherein a waste heat exchanger is additionally arranged on an air inlet pipeline arranged on the variable-temperature evaporation module; the waste heat exchanger adopts an aluminum fin tube heat exchanger.
3. The system for secondary utilization of steam condensate in a temperature swing evaporative phosphoric acid concentrator as recited in claim 1, wherein the waste heat exchanger is of the type: air volume 15000m 3 Heat exchange capacity 250kW, steam condensate flow 20m 3 /h。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321880254.8U CN220676760U (en) | 2023-07-18 | 2023-07-18 | System for secondary utilization steam condensate water in alternating temperature evaporation phosphoric acid concentration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321880254.8U CN220676760U (en) | 2023-07-18 | 2023-07-18 | System for secondary utilization steam condensate water in alternating temperature evaporation phosphoric acid concentration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220676760U true CN220676760U (en) | 2024-03-29 |
Family
ID=90402442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321880254.8U Active CN220676760U (en) | 2023-07-18 | 2023-07-18 | System for secondary utilization steam condensate water in alternating temperature evaporation phosphoric acid concentration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220676760U (en) |
-
2023
- 2023-07-18 CN CN202321880254.8U patent/CN220676760U/en active Active
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