CN211953829U - Heating system for process water tank of desulfurization system - Google Patents
Heating system for process water tank of desulfurization system Download PDFInfo
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- CN211953829U CN211953829U CN202020483616.XU CN202020483616U CN211953829U CN 211953829 U CN211953829 U CN 211953829U CN 202020483616 U CN202020483616 U CN 202020483616U CN 211953829 U CN211953829 U CN 211953829U
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- process water
- water tank
- pipe
- steam injection
- steam
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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
- 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]
- Y02B30/56—Heat recovery units
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Abstract
The utility model discloses a heating system of a process water tank of a desulfurization system, which comprises a process water tank, a water replenishing pipe, a drain pipe, a steam injection pipe and a preheating coil pipe; the water replenishing pipe is communicated with the upper end of the process water tank, and the water discharging pipe is communicated with the lower part of the process water tank; the steam injection pipe is communicated with the upper end of the process water tank, one end of the steam injection pipe communicated with the process water tank is located in the process water tank, the other end of the steam injection pipe is communicated with the preheating coil wound on the water replenishing pipe, and the preheating coil is communicated with the steam heating pipeline for plants. By arranging the preheating coil pipe, steam enters the preheating coil pipe from the heat supply pipeline, and process water to be injected into the process water tank in the water supplementing pipe is preheated, so that the temperature of the process water injected into the process water tank is improved; and the steam passing through the preheating coil pipe is injected into the process water in the process water tank from the steam injection pipe to heat the process water in the process water tank and prevent the process water from freezing.
Description
The technical field is as follows:
the utility model relates to an electrolytic aluminum production field, concretely relates to desulfurization system technology water tank heating system.
Background art:
in electrolytic aluminum production, need send the produced flue gas of electrolytic aluminum to desulfurization system and carry out desulfurization treatment, in order to guarantee that desulfurization system water source is stable, need send process water to the process water tank earlier and store. However, in cold northern areas, the temperature is low in winter, and the process water in the process water tank and the water outlet pipe of the process water tank are often frozen, so that the water supply of the system is finally cut off, and the safe operation of the system is influenced.
The utility model has the following contents:
an object of the utility model is to provide a desulfurization system process water tank heating system that prevents that process water in the process water tank from freezing.
The utility model discloses by following technical scheme implement:
a heating system of a process water tank of a desulfurization system comprises the process water tank, a water replenishing pipe, a drain pipe, a steam injection pipe and a preheating coil pipe;
the water replenishing pipe is communicated with the upper end of the process water tank, and the water discharging pipe is communicated with the lower part of the process water tank;
the steam injection pipe with the upper end intercommunication of technology water tank, just the steam injection pipe with the one end of technology water tank intercommunication is located in the technology water tank, the other end of steam injection pipe with twine on the moisturizing pipe preheat the coil pipe intercommunication, preheat the coil pipe and the warm pipeline intercommunication of steam for plant.
Preferably, the steam injection pipe is located in the center of the process water tank, and one end of the steam injection pipe located in the process water tank is communicated with a plurality of steam distribution pipes which are uniformly distributed by taking the steam injection pipe as a circle center.
Preferably, a temperature controller is installed on the drain pipe, and a rear electric heater is installed at the bottom of the process water tank and electrically connected with the temperature controller.
The utility model has the advantages that: by arranging the preheating coil pipe, steam enters the preheating coil pipe from the heat supply pipeline, and process water to be injected into the process water tank in the water supplementing pipe is preheated, so that the temperature of the process water injected into the process water tank is improved; and the steam passing through the preheating coil pipe is injected into the process water in the process water tank from the steam injection pipe to heat the process water in the process water tank and prevent the process water from freezing.
Description of the drawings:
fig. 1 is a schematic view of the structure of the present invention.
In the figure: the system comprises a process water tank 1, a water replenishing pipe 2, a water discharging pipe 3, a steam injection pipe 4, a preheating coil pipe 5, a plant steam heating pipeline 6, a steam distributing pipe 7, a temperature controller 8 and an electric heater 9.
The specific implementation mode is as follows:
as shown in fig. 1, a heating system of a process water tank of a desulfurization system comprises a process water tank 1, a water replenishing pipe 2, a water discharging pipe 3, a steam injection pipe 4 and a preheating coil pipe 5;
the water replenishing pipe 2 is communicated with the upper end of the process water tank 1, and the water discharging pipe 3 is communicated with the lower part of the process water tank 1;
the steam injection pipe 4 is communicated with the upper end of the process water tank 1, one end of the steam injection pipe 4 communicated with the process water tank 1 is positioned in the process water tank 1, the other end of the steam injection pipe 4 is communicated with a preheating coil pipe 5 wound on the water replenishing pipe 2, and the preheating coil pipe 5 is communicated with a plant steam heating pipeline 6;
the process water is injected into the process water tank 1 from the water replenishing pipe 2, and the process water in the process water tank 1 is sent to a desulfurization system by the water discharging pipe 3; the plant steam heating pipeline 6 is a heat supply pipeline in a plant area, steam enters the preheating coil 5 from the heat supply pipeline to preheat process water to be injected into the process water tank 1 in the water supplementing pipe 2, and the temperature of the process water injected into the process water tank 1 is improved; the steam passing through the preheating coil 5 is injected into the process water in the process water tank 1 from the steam injection pipe 4 to heat the process water in the process water tank 1 and prevent freezing.
The steam injection pipe 4 is positioned in the center of the process water tank 1, one end of the steam injection pipe 4, which is positioned in the process water tank 1, is communicated with a plurality of steam distributing pipes 7 which are uniformly distributed by taking the steam injection pipe 4 as the center of a circle, and steam enters the steam distributing pipes 7 from the steam injection pipe 4 and is dispersed through the steam distributing pipes 7, so that the steam is dispersed in the process water tank 1, and the speed of heating the process water by the steam is improved.
The method comprises the following steps that a temperature controller 8 is installed on a drain pipe 3, a rear electric heater 9 is installed at the bottom of a process water tank 1, the electric heater 9 is electrically connected with the temperature controller 8, the temperature controller 8 is set to have the highest temperature of 15 ℃ and the lowest temperature of 5 ℃, and when the temperature controller 8 detects that the temperature of water discharged from the drain pipe 3 is lower than 5 ℃, the temperature controller 8 controls the electric heater 9 to be started, so that the temperature of the process water discharged from the drain pipe 3 is increased, and the process water is prevented from being frozen in a pipeline flowing to a desulfurization system; when the temperature controller 8 detects that the temperature of the water discharged in the drain pipe 3 is higher than 15 ℃, the temperature controller 8 controls the electric heater 9 to be turned off.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (3)
1. A heating system for a process water tank of a desulfurization system is characterized in that: comprises a process water tank, a water replenishing pipe, a water draining pipe, a steam injection pipe and a preheating coil pipe;
the water replenishing pipe is communicated with the upper end of the process water tank, and the water discharging pipe is communicated with the lower part of the process water tank;
the steam injection pipe with the upper end intercommunication of technology water tank, just the steam injection pipe with the one end of technology water tank intercommunication is located in the technology water tank, the other end of steam injection pipe with twine on the moisturizing pipe preheat the coil pipe intercommunication, preheat the coil pipe and the warm pipeline intercommunication of steam for plant.
2. The heating system of the process water tank of the desulfurization system as recited in claim 1, wherein: the steam injection pipe is positioned in the center of the process water tank, and one end of the steam injection pipe, which is positioned in the process water tank, is communicated with a plurality of steam distributing pipes which are uniformly distributed by taking the steam injection pipe as the center of a circle.
3. The heating system of the process water tank of the desulfurization system as set forth in claim 1 or 2, wherein: the water discharge pipe is provided with a temperature controller, the bottom of the process water tank is provided with a rear electric heater, and the electric heater is electrically connected with the temperature controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020483616.XU CN211953829U (en) | 2020-04-03 | 2020-04-03 | Heating system for process water tank of desulfurization system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020483616.XU CN211953829U (en) | 2020-04-03 | 2020-04-03 | Heating system for process water tank of desulfurization system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211953829U true CN211953829U (en) | 2020-11-17 |
Family
ID=73159741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020483616.XU Active CN211953829U (en) | 2020-04-03 | 2020-04-03 | Heating system for process water tank of desulfurization system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211953829U (en) |
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2020
- 2020-04-03 CN CN202020483616.XU patent/CN211953829U/en active Active
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