CN216115570U - Raw water heating device - Google Patents
Raw water heating device Download PDFInfo
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- CN216115570U CN216115570U CN202121846169.0U CN202121846169U CN216115570U CN 216115570 U CN216115570 U CN 216115570U CN 202121846169 U CN202121846169 U CN 202121846169U CN 216115570 U CN216115570 U CN 216115570U
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- heat exchange
- exchange system
- water
- heat exchanger
- pipeline
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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
Abstract
The utility model relates to a raw water heating device, which comprises a primary heat exchange system, a secondary heat exchange system and a control system, wherein the primary heat exchange system and the secondary heat exchange system are connected to the control system and are controlled by the control system; the water outlet of the primary heat exchange system is connected with the water inlet of the secondary heat exchange system, and the water outlet of the secondary heat exchange system is connected with the hot water storage tank; and an electric valve is arranged on a connecting pipeline between the secondary heat exchange system and the primary heat exchange system. The utility model has the advantages that: the heat source which must be discharged in the thermal deoxidization process can be recovered, the resources are saved, the waste of the heat source is reduced, and the system operation economy is improved.
Description
Technical Field
The utility model relates to a raw water heating device, and relates to the field of heat energy recycling.
Background
Because of the characteristics of thermal deoxidization, the deoxidization valve of the deoxidization system of the thermal power plant is in a long-term slightly-opened state in order to ensure the deoxidization effect, so that part of heat energy containing energy must be discharged in the deoxidization process of the system, and the energy waste is caused. In order to save resources and reduce waste, a raw water heating device is developed.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model provides a raw water heating device, and the technical scheme of the utility model is as follows:
a raw water heating device comprises a primary heat exchange system, a secondary heat exchange system and a control system, wherein the primary heat exchange system and the secondary heat exchange system are connected to the control system and are controlled by the control system; the water outlet of the primary heat exchange system is connected with the water inlet of the secondary heat exchange system, and the water outlet of the secondary heat exchange system is connected with the hot water storage tank; an electric valve is arranged on a connecting pipeline between the secondary heat exchange system and the primary heat exchange system; the secondary heat exchange system comprises two tubular heat exchangers, and a heat source of each tubular heat exchanger comes from a corresponding deaerator; an oxygen discharge valve is installed at a steam outlet of the deaerator, the steam outlet of the deaerator is also communicated with a steam inlet of the tubular heat exchanger through a pipeline, and a condensed water outlet of the tubular heat exchanger is communicated with a condensed water tank through a pipeline; a drain pump is arranged on a pipeline between the water outlet of the condensed water tank and the deaerator and between the water outlets of the tubular heat exchangers; the water inlet of the circulating water pipeline is connected with the water outlet of the hot water storage tank, and the water outlet is connected with the water inlet of the tubular heat exchanger; the hot water pipeline for the vehicle is arranged at the water outlet of the hot water storage tank.
The primary heat exchange system comprises a plate heat exchanger, a circulating pump and a booster pump, wherein the booster pump is arranged on a connecting pipeline at a cold water outlet of the plate heat exchanger and is arranged adjacent to the electric valve; the hot water inlet of the plate heat exchanger is connected with a circulating water pump, and a cold water pump is installed on a pipeline at the cold water inlet of the plate heat exchanger.
And an electric control valve or a manual isolating valve is arranged on the pipeline between the circulating water pipeline and the tubular heat exchanger.
The utility model has the advantages that: the heat source which must be discharged in the thermal deoxidization process can be recovered, the resources are saved, the waste of the heat source is reduced, and the system operation economy is improved.
Drawings
Fig. 1 is a schematic view of the main structure of the present invention.
Detailed Description
The utility model will be further described with reference to specific embodiments, and the advantages and features of the utility model will become apparent as the description proceeds. These examples are illustrative only and do not limit the scope of the present invention in any way. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model, and that such changes and modifications may be made without departing from the spirit and scope of the utility model.
Referring to fig. 1, the utility model relates to a raw water heating device, which comprises a primary heat exchange system, a secondary heat exchange system and a control system, wherein the primary heat exchange system and the secondary heat exchange system are connected to the control system and are controlled by the control system; the water outlet of the primary heat exchange system is connected with the water inlet of the secondary heat exchange system, and the water outlet of the secondary heat exchange system is connected with the hot water storage tank 5; an electric valve 8 is arranged on a connecting pipeline between the secondary heat exchange system and the primary heat exchange system; the secondary heat exchange system comprises two tubular heat exchangers 1, wherein a heat source of each tubular heat exchanger 1 comes from a corresponding deaerator 2 (each tubular heat exchanger corresponds to one deaerator 2); an oxygen discharge valve 3' is arranged at a steam outlet of the deaerator 2, the steam outlet of the deaerator 2 is also communicated with a steam inlet of the tubular heat exchanger 1 through a pipeline, and a condensed water outlet of the tubular heat exchanger 1 is communicated with a condensed water tank 3 through a pipeline; a drain pump 4 is arranged on a pipeline between the water outlet of the condensed water tank 3 and the deaerator 2 and between the water outlets of the tubular heat exchangers 1; the water inlet of the circulating water pipeline 10 is connected to the water outlet of the hot water storage tank 5, and the water outlet is connected to the water inlet of the tubular heat exchanger 1; the vehicle hot water pipeline 11 is arranged at the water outlet of the hot water storage tank 5.
The primary heat exchange system comprises a plate heat exchanger 6, a circulating pump 7 and a booster pump 12, wherein the booster pump 12 is installed on a connecting pipeline at a cold water outlet of the plate heat exchanger 6, and the booster pump 12 is arranged adjacent to the electric valve 8; the hot water inlet of the plate heat exchanger 6 is connected with a circulating water pump 7, and a cold water pump is arranged on a pipeline 9 at the cold water inlet of the plate heat exchanger.
An electric control valve or a manual isolation valve is arranged on a pipeline between the circulating water pipeline 10 and the tubular heat exchanger 1.
The working principle of the utility model is as follows: according to the basic principle of heat conservation, waste heat generated in the power production process is recovered through a heat exchanger by utilizing the temperature difference between media, so that the aims of saving heat resources and improving the operation economy are fulfilled.
In the utility model, a primary heat exchange system is used for absorbing heat in circulating water return water to heat domestic water, a secondary heat exchange system carries out secondary heating through a heat exchanger by recovering waste steam generated in the thermal deoxidization process of a deaerator, heats hot water in a hot water storage tank, heats the domestic water to the temperature required by a user, a control box realizes full automation of water feeding, heating and loading through automatic control, and the purposes of on-site unattended operation and program completion of all processes are achieved;
the above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (3)
1. A raw water heating device is characterized by comprising a primary heat exchange system, a secondary heat exchange system and a control system, wherein the primary heat exchange system and the secondary heat exchange system are connected to the control system and are controlled by the control system; the water outlet of the primary heat exchange system is connected with the water inlet of the secondary heat exchange system, and the water outlet of the secondary heat exchange system is connected with the hot water storage tank; an electric valve is arranged on a connecting pipeline between the secondary heat exchange system and the primary heat exchange system; the secondary heat exchange system comprises two tubular heat exchangers, and a heat source of each tubular heat exchanger comes from a corresponding deaerator; an oxygen discharge valve is installed at a steam outlet of the deaerator, the steam outlet of the deaerator is also communicated with a steam inlet of the tubular heat exchanger through a pipeline, and a condensed water outlet of the tubular heat exchanger is communicated with a condensed water tank through a pipeline; a drain pump is arranged on a pipeline between the water outlet of the condensed water tank and the deaerator and between the water outlets of the tubular heat exchangers; the water inlet of the circulating water pipeline is connected with the water outlet of the hot water storage tank, and the water outlet is connected with the water inlet of the tubular heat exchanger; the hot water pipeline for the vehicle is arranged at the water outlet of the hot water storage tank.
2. The raw water heating device according to claim 1, wherein the primary heat exchange system comprises a plate heat exchanger, a circulating pump and a booster pump, the booster pump is mounted on a connecting pipeline at a cold water outlet of the plate heat exchanger, and the booster pump is arranged adjacent to the electric valve; the hot water inlet of the plate heat exchanger is connected with a circulating water pump, and a cold water pump is installed on a pipeline at the cold water inlet of the plate heat exchanger.
3. The raw water heating apparatus according to claim 2, wherein an electrically controlled valve or a manually operated isolating valve is installed on a pipe between the circulating water pipe and the pipe heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121846169.0U CN216115570U (en) | 2021-08-09 | 2021-08-09 | Raw water heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121846169.0U CN216115570U (en) | 2021-08-09 | 2021-08-09 | Raw water heating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216115570U true CN216115570U (en) | 2022-03-22 |
Family
ID=80724995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121846169.0U Active CN216115570U (en) | 2021-08-09 | 2021-08-09 | Raw water heating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216115570U (en) |
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2021
- 2021-08-09 CN CN202121846169.0U patent/CN216115570U/en active Active
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