CN217978761U - Surface water heat-taking steam-saving system - Google Patents
Surface water heat-taking steam-saving system Download PDFInfo
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- CN217978761U CN217978761U CN202222359533.1U CN202222359533U CN217978761U CN 217978761 U CN217978761 U CN 217978761U CN 202222359533 U CN202222359533 U CN 202222359533U CN 217978761 U CN217978761 U CN 217978761U
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Abstract
The utility model discloses a surface water heat-taking steam-saving system, which comprises a raw water tank and a raw water pump, wherein the inlet of the raw water tank is connected with a reclaimed water heat exchanger through a second pipeline, a circulating water heat exchanger and a condensed water heat exchanger are arranged between the raw water tank and the raw water pump, and the outlet of the raw water pump is communicated with a demineralized water system; the surface water inlet of the reclaimed water heat exchanger is communicated with a first pipeline for supplying surface water, the outlet of the raw water tank is communicated with the surface water inlet of the circulating water heat exchanger through a third pipeline, the surface water outlet of the circulating water heat exchanger is communicated with the surface water inlet of the condensed water heat exchanger through a fourth pipeline, and the surface water outlet of the condensed water heat exchanger is communicated with the inlet of the raw water pump through a fifth pipeline. The utility model has the characteristics of practice thrift steam consumption, noise are little, vibrate little and improve equipment life.
Description
Technical Field
The utility model relates to a surface water heating field, a surface water gets heat and practices thrift steam system specifically says so.
Background
The existing demineralized water system adopts surface water, the water temperature is lower in winter, and 1 pipeline type steam-water mixed heater is arranged on a water inlet pipeline in order to ensure the long-period stable reverse osmosis operation and the water yield requirement of key equipment of the device, so that the temperature of the surface water is improved to meet the operation index requirement of the system.
The mixing heater is horizontally arranged on a front water inlet pipeline of the raw water tank, steam from a pipe network is regulated by a valve and then vertically enters the steam-water mixer through a check valve, surface water horizontally flows through a pipeline, the steam and the water are directly mixed in the mixer, and hot water enters the raw water tank from the tank top after being heated. The process has the following problems in the operation process: the steam-water mixer has serious water hammer and large noise, and the whole set of equipment and nearby pipelines vibrate greatly; static sealing points among pipelines, valves and equipment are frequently leaked, the valves and gaskets are frequently replaced, and the maintenance workload is large; the start and stop are frequent, and the operation is not stable, thereby influencing the production.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to provide a practice thrift steam consumption, noise are little, vibrate little and improve equipment life's surface water gets heat and practice thrift steam system.
In order to solve the technical problem, the utility model comprises a water tank and a raw water pump, and is structurally characterized in that the inlet of the raw water tank is connected with a reclaimed water heat exchanger through a second pipeline, a circulating water heat exchanger and a condensed water heat exchanger are arranged between the raw water tank and the raw water pump, and the outlet of the raw water tank is communicated with a demineralized water system;
the inlet of the reclaimed water heat exchanger is communicated with a first pipeline for supplying surface water, the outlet of the raw water tank is communicated with the surface water inlet of the circulating water heat exchanger through a third pipeline, the surface water outlet of the circulating water heat exchanger is communicated with the surface water inlet of the condensed water heat exchanger through a fourth pipeline, and the surface water outlet of the condensed water heat exchanger is communicated with the inlet of the raw water pump through a fifth pipeline.
Furthermore, the third pipeline is communicated with the fifth pipeline through a sixth pipeline which is connected with the temperature regulating valve in series.
Furthermore, the temperature of the surface water flowing through the first pipeline is 3.5-4.2 ℃, and the flow rate is 315-325 t/h.
Furthermore, a reclaimed water inlet pipe for supplying reclaimed water with the water temperature of 28.5-29.2 ℃ and the flow rate of 155t/h-165t/h is connected with a reclaimed water inlet of the reclaimed water heat exchanger, and a reclaimed water outlet pipe for discharging the reclaimed water with the water temperature of 24.5-25.2 ℃ and the flow rate of 155t/h-165t/h is connected with a reclaimed water outlet of the reclaimed water heat exchanger.
Furthermore, a circulating water inlet of the circulating water heat exchanger is connected with a circulating water inlet pipe for supplying circulating water with the water temperature of 25.5-26.2 ℃ and the flow rate of 1245t/h-1255t/h, and a circulating water outlet of the circulating water heat exchanger is connected with a circulating water outlet pipe for discharging circulating water with the water temperature of 21.5-22.2 ℃ and the flow rate of 1245t/h-1255 t/h.
Furthermore, a condensed water inlet pipe for supplying condensed water with the water temperature of 64.5-65.2 ℃ and the flow rate of 55t/h-65t/h is connected with a condensed water inlet of the condensed water heat exchanger, and a condensed water outlet of the condensed water heat exchanger is connected with a condensed water outlet pipe for discharging the condensed water with the water temperature of 24.5-25.2 ℃ and the flow rate of 55t/h-65 t/h.
Further, the temperature of the surface water flowing through the second pipeline is 5.5-6.2 ℃, and the flow rate is 155t/h-165t/h; the surface water flowing through the fourth pipeline has the water temperature of 17-17.7 ℃ and the flow rate of 315-325 t/h; the temperature of the surface water flowing through the fifth pipeline is 24.5-25.2 ℃, and the flow rate is 315-325 t/h.
By adopting the structure, the surface water with the water temperature of 3.5-4.2 ℃ and the flow rate of 315-325 t/h is heated by the reclaimed water heat exchanger, the circulating water heat exchanger and the condensed water heat exchanger in sequence to reach the temperature of entering the demineralized water system, so that the steam consumption can be saved, and the purposes of saving energy and reducing consumption are achieved.
The noise of the surface water is low in the gradual heating process, the impact on the heat exchanger is small, large vibration cannot be generated, the service life of the pipeline and the valve is prolonged, the equipment maintenance frequency is reduced, the frequent start-stop of equipment is avoided, the operation is stable, and the production efficiency is improved.
Drawings
FIG. 1 is a schematic flow chart of the present invention;
FIG. 2 is a simplified flow diagram of an in situ surface water heating system;
in the figure: the system comprises a raw water tank 1, a third pipeline 11, a temperature regulating valve 12, a sixth pipeline 13, a raw water pump 2, a reclaimed water heat exchanger 3, a first pipeline 31, a second pipeline 32, a reclaimed water inlet pipe 33, a reclaimed water outlet pipe 34, a circulating water heat exchanger 4, a fourth pipeline 41, a circulating water inlet pipe 42, a circulating water outlet pipe 43, a condensed water heat exchanger 5, a fifth pipeline 51, a condensed water inlet pipe 52, a condensed water outlet pipe 53, a steam-water mixed heater 6, a surface water inlet pipe 61, a steam inlet pipe 62 and a raw water tank 7.
Detailed Description
Referring to fig. 1, the surface water heat-taking and steam-saving system comprises a raw water tank 1 and a raw water pump 2, wherein an inlet of the raw water tank 1 is connected with a reclaimed water heat exchanger 3 through a second pipeline 32, a circulating water heat exchanger 4 and a condensed water heat exchanger 5 are arranged between the raw water tank 1 and the raw water pump 2, and an outlet of the raw water pump 2 is communicated with a demineralized water system; the inlet of the reclaimed water heat exchanger 3 is communicated with a first pipeline 31 for supplying surface water, the temperature of the surface water flowing through the first pipeline 31 is 3.5-4.2 ℃, the flow rate is 315-325 t/h, preferably, the water temperature is 4 ℃, and the flow rate is 320t/h. The reclaimed water inlet of the reclaimed water heat exchanger 3 is connected with a reclaimed water inlet pipe 33 for supplying reclaimed water with the water temperature of 28.5-29.2 ℃ and the flow rate of 155t/h-165t/h, preferably, the water temperature is 29 ℃ and the flow rate is 160t/h. The reclaimed water outlet of the reclaimed water heat exchanger 3 is connected with a reclaimed water outlet pipe 34 for discharging reclaimed water with the temperature of 24.5-25.2 ℃ and the flow rate of 155t/h-165t/h, preferably, the water temperature is 25 ℃ and the flow rate is 160t/h. The reclaimed water which is treated by the sewage of the refinery flows into the reclaimed water heat exchanger 3 through the reclaimed water inlet pipe 33, then enters the membrane treatment unit of the sewage treatment system through the reclaimed water outlet pipe 34, and then enters the reuse water pool.
An outlet of the raw water tank 1 is communicated with a surface water inlet of the circulating water heat exchanger 4 through a third pipeline 11, a surface water outlet of the circulating water heat exchanger 4 is communicated with a surface water inlet of the condensed water heat exchanger 5 through a fourth pipeline 41, and a circulating water inlet of the circulating water heat exchanger 4 is connected with a circulating water inlet pipe 42 for supplying circulating water with the water temperature of 25.5-26.2 ℃ and the flow rate of 1245t/h-1255t/h, preferably, the water temperature is 26 ℃ and the flow rate is 1250t/h. The circulating water outlet of the circulating water heat exchanger 4 is connected with a circulating water outlet pipe 43 for discharging circulating water with the water temperature of 21.5-22.2 ℃ and the flow rate of 1245t/h-1255t/h, preferably, the water temperature is 22 ℃ and the flow rate is 1250t/h. Wherein, the circulating water backwater of the cooling materials in the refinery flows into the circulating water heat exchanger 4 through the circulating water inlet pipe 42, and then enters the cooling tower of the circulating water field for cooling through the circulating water outlet pipe 43 for recycling.
The surface water outlet of the condensed water heat exchanger 5 is communicated with the inlet of the raw water pump 2 through a fifth pipeline 51. The condensed water inlet of the condensed water heat exchanger is connected with a condensed water inlet pipe 52 for supplying condensed water with the water temperature of 64.5-65.2 ℃ and the flow rate of 55t/h-65t/h, preferably, the water temperature is 65 ℃ and the flow rate is 60t/h. The condensed water outlet of the condensed water heat exchanger is connected with a condensed water outlet pipe 53 for discharging condensed water with the water temperature of 24.5-25.2 ℃ and the flow rate of 55t/h-65t/h, preferably, the water temperature is 25 ℃ and the flow rate is 60t/h. The condensed steam water from each device flows into the condensed water heat exchanger 5 through the condensed water inlet pipe 52, and then the condensed water outlet pipe 53 enters the condensed water treatment system of the company.
Wherein, the surface water flowing through the second pipeline 32 has the water temperature of 5.5-6.2 ℃ and the flow rate of 155t/h-165t/h, preferably, the water temperature is 6 ℃ and the flow rate is 160t/h; the surface water flowing through the fourth pipeline 41 has the water temperature of 17-17.7 ℃ and the flow rate of 315-325 t/h, preferably, the water temperature is 17.5 ℃ and the flow rate is 320t/h; the surface water flowing through the fifth pipeline 51 has the water temperature of 24.5-25.2 ℃, the flow rate of 315t/h-325t/h, the water temperature of 25 ℃ and the flow rate of 320t/h.
Preferably, the third duct 11 communicates with the fifth duct 51 through a sixth duct 13 which is connected in series with the temperature regulation valve 12. The temperature is controlled by controlling the water quantity, the raw water is sent to a demineralized water treatment system through a raw water pump 2, and the demineralized water is sent to each demineralized water user after being treated.
When the device is used, surface water with the water temperature of 3.5-4.2 ℃ and the flow rate of 315t/h-325t/h flows into the reclaimed water heat exchanger 3 from the first pipeline 31 to be heated, the temperature of the heated surface water is 5.5-6.2 ℃ and the flow rate is 155t/h-165t/h, then the surface water is mixed with surface water in the raw water tank 1 and flows into the circulating water heat exchanger 4 to be continuously heated, the temperature of the heated surface water is 17-17.7 ℃ and the flow rate is 315t/h-325t/h, then the surface water flows into the condensate water heat exchanger 5 from the fourth pipeline 41 to be finally heated, the temperature of the heated surface water is 24.5-25.2 ℃ and the flow rate is 315t/h-325t/h, and then the surface water is conveyed to a desalination water system through the raw water pump 2.
The surface water with the water temperature of 3.5-4.2 ℃ and the flow rate of 315-325 t/h is heated by the reclaimed water heat exchanger 3, the circulating water heat exchanger 4 and the condensed water heat exchanger 5 in sequence to reach the temperature of entering the desalted water system, and the system can save steam consumption and achieve the purposes of energy conservation and consumption reduction. The noise of the surface water is low in the gradual heating process, the impact on the heat exchanger is small, large vibration cannot be generated, the service life of the pipeline and the valve is prolonged, the maintenance frequency of equipment is reduced, the frequency of starting and stopping the equipment is avoided, the operation is stable, and the production efficiency is improved.
Referring to fig. 2, the in-situ surface water heating system comprises a steam-water mixing heater 6 and a raw water tank 7, surface water enters the steam-water mixing heater 6 from a surface water inlet pipe 61, steam enters the steam-water mixing heater 6 from a steam inlet pipe 62, the surface water is heated by the steam-water mixing heater 6 and then enters the raw water tank 7, and the surface water in the raw water tank 7 enters a demineralized water system. The system has the following problems during operation: the steam-water mixing heater has serious water hammer and large noise, and the whole set of equipment and nearby pipelines vibrate greatly; static sealing points among pipelines, valves and equipment are frequently leaked, the valves and gaskets are frequently replaced, and the maintenance workload is large; the start and stop are frequent, and the operation is not stable, thereby influencing the production.
Claims (7)
1. A surface water heat-taking steam-saving system comprises a raw water tank (1) and a raw water pump (2), and is characterized in that an inlet of the raw water tank (1) is connected with a reclaimed water heat exchanger (3) through a second pipeline (32), a circulating water heat exchanger (4) and a condensed water heat exchanger (5) are arranged between the raw water tank (1) and the raw water pump (2) in series, and an outlet of the raw water pump (2) is communicated with a demineralized water system;
the inlet of the reclaimed water heat exchanger (3) is communicated with a first pipeline (31) for supplying surface water, the outlet of the raw water tank (1) is communicated with the surface water inlet of the circulating water heat exchanger (4) through a third pipeline (11), the surface water outlet of the circulating water heat exchanger (4) is communicated with the surface water inlet of the condensed water heat exchanger (5) through a fourth pipeline (41), and the surface water outlet of the condensed water heat exchanger (5) is communicated with the inlet of the raw water pump (2) through a fifth pipeline (51).
2. The surface water heat-extraction steam-saving system as claimed in claim 1, characterized in that the third pipeline (11) communicates with the fifth pipeline (51) through a sixth pipeline (13) in series with a temperature regulating valve (12).
3. The surface water heat-taking steam-saving system as claimed in claim 1, wherein the temperature of the surface water flowing through the first pipeline (31) is 3.5-4.2 ℃ and the flow rate is 315-325 t/h.
4. The surface water heat-taking and steam-saving system as claimed in claim 1, wherein a reclaimed water inlet of the reclaimed water heat exchanger (3) is connected with a reclaimed water inlet pipe (33) for supplying reclaimed water with the water temperature of 28.5-29.2 ℃ and the flow rate of 155t/h-165t/h, and a reclaimed water outlet of the reclaimed water heat exchanger (3) is connected with a reclaimed water outlet pipe (34) for discharging the reclaimed water with the water temperature of 24.5-25.2 ℃ and the flow rate of 155t/h-165 t/h.
5. The surface water heat-taking and steam-saving system as claimed in claim 1, wherein a circulating water inlet of the circulating water heat exchanger (4) is connected with a circulating water inlet pipe (42) for supplying circulating water with the water temperature of 25.5-26.2 ℃ and the flow rate of 1245t/h-1255t/h, and a circulating water outlet of the circulating water heat exchanger (4) is connected with a circulating water outlet pipe (43) for discharging circulating water with the water temperature of 21.5-22.2 ℃ and the flow rate of 1245t/h-1255 t/h.
6. The surface water heat-taking steam-saving system as claimed in claim 1, wherein a condensed water inlet of the condensed water heat exchanger (5) is connected with a condensed water inlet pipe (52) for supplying condensed water with the water temperature of 64.5-65.2 ℃ and the flow rate of 55t/h-65t/h, and a condensed water outlet of the condensed water heat exchanger (5) is connected with a condensed water outlet pipe (53) for discharging the condensed water with the water temperature of 24.5-25.2 ℃ and the flow rate of 55t/h-65 t/h.
7. The surface water heat-taking steam-saving system as claimed in any one of claims 1 to 6, wherein the temperature of the surface water flowing through the second pipeline (32) is 5.5-6.2 ℃, and the flow rate is 155t/h-165t/h; the surface water flowing through the fourth pipeline (41) has the water temperature of 17-17.7 ℃ and the flow rate of 315-325 t/h; the temperature of the surface water flowing through the fifth pipeline (51) is 24.5-25.2 ℃, and the flow rate is 315-325 t/h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222359533.1U CN217978761U (en) | 2022-09-06 | 2022-09-06 | Surface water heat-taking steam-saving system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222359533.1U CN217978761U (en) | 2022-09-06 | 2022-09-06 | Surface water heat-taking steam-saving system |
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| Publication Number | Publication Date |
|---|---|
| CN217978761U true CN217978761U (en) | 2022-12-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222359533.1U Active CN217978761U (en) | 2022-09-06 | 2022-09-06 | Surface water heat-taking steam-saving system |
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| CN (1) | CN217978761U (en) |
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- 2022-09-06 CN CN202222359533.1U patent/CN217978761U/en active Active
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