CN209840445U - System for solar heating heat supply pipe network steam and comdenstion water - Google Patents
System for solar heating heat supply pipe network steam and comdenstion water Download PDFInfo
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- CN209840445U CN209840445U CN201920266690.3U CN201920266690U CN209840445U CN 209840445 U CN209840445 U CN 209840445U CN 201920266690 U CN201920266690 U CN 201920266690U CN 209840445 U CN209840445 U CN 209840445U
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
Abstract
The utility model discloses a system for heating steam and condensate water of a heat supply pipe network by solar energy, which comprises a drainage system and a heating system, wherein the heating system comprises a groove type solar heat collector which is connected with a superheater by a first heating pipeline, the superheater is provided with two outlets, the outlet of the first superheater is connected with a main pipeline, and the outlet of the second superheater is connected with an evaporator; the evaporator is provided with three outlets, the outlet of the first evaporator is connected with the groove type solar heat collector through the second heating pipeline, the outlet of the second evaporator is connected with a drain header in a drain system, the outlet of the third evaporator is connected with a main pipeline, heat conduction oil is heated through the heat collector, the heat conduction oil is recycled in two ways, the energy is utilized in a gradient mode, the effect is good, and the cost is low.
Description
Technical Field
The invention relates to a system for heating steam and condensed water of a heat supply pipe network by solar energy, and belongs to the technical field of clean energy utilization.
Background
The centralized heat supply has the problems of heat loss of a pipe network, energy consumption of pipeline transportation, high maintenance cost, incapability of recovering condensed water, influence of the condensed water on heat metering and the like. Rock wool materials are mostly used as the heat-insulating layer materials of the centralized heat-supply pipeline, and are easy to settle in use, so that gaps can be formed between the pipeline and the heat-insulating layer, and in the heat-supply process, the air in the gaps and the pipe wall generate heat convection, so that the heat loss of a heat-supply pipe network is large. The problem of heat supply condensation water is not well solved in heat supply all the time. There are many factors that cause condensation, such as: equipment, plumbing connections that are not secure, plumbing materials, heating temperatures, etc., can result in condensation. On the other hand, the formation of condensed water is also influenced by the construction technology and quality of the pipe network system, and if the construction is not carried out according to a strict operation flow, the problem of the condensed water of the pipe network can also be caused. The condensate water can not only invade the pipeline by gas, shorten the service life of the pipeline, but also influence the overall heat supply quality, enhance the heat supply consumption, and optimize the centralized heat supply pipe network by taking the condensate water into consideration.
The existing heat supply network transformation technology is basically the traditional heat insulation material replacement, the heat supply network circuit design is optimized, but the transformation cost is too large, the improvement effect is limited, the construction period is longer, and the heat consumption of the existing users is influenced.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the defects in the prior art, the invention provides a system for heating steam and condensate water of a heat supply pipe network by solar energy.
The technical scheme is as follows: in order to solve the technical problem, the system for heating steam and condensed water of a heat supply pipe network by solar energy comprises a drainage system and a heating system,
the heating system comprises a groove type solar heat collector 1, the groove type solar heat collector 1 is connected with a superheater 3 through a first heating pipeline 14, the superheater 3 is provided with two outlets, a first superheater outlet 3-1 is connected with a main pipeline 13, and a second superheater outlet 3-2 is connected with an evaporator 9; the evaporator 9 is provided with three outlets, the outlet 9-1 of the first evaporator is connected with the trough type solar heat collector 1 through a second heating pipeline 15, the outlet 9-2 of the second evaporator is connected with a drainage header 7 in a drainage system, and the outlet 9-3 of the third evaporator is connected with a main pipeline 13;
the first heating pipeline 14 is connected with a high-temperature heat conduction oil storage tank 4; the second heating pipeline 15 is connected with a low-temperature heat conduction oil storage tank 5;
the drainage system also comprises a drainage pump 8 arranged between the drainage header 7 and the evaporator 9 and a drainage pipeline connecting the main pipeline 13 and the drainage header 7;
the drain pump 8 also functions as a circulation pump so that the drain flows in the pipe.
Further, the superheater 3 is a shell-and-tube superheater.
Further, a connection pipeline between the high-temperature heat conduction oil storage tank 4 and the first heating pipeline 14 and a connection pipeline between the low-temperature heat conduction oil storage tank 5 and the second heating pipeline 15 are both provided with a heat conduction oil stop valve 12.
Furthermore, electromagnetic valves 10 are disposed on a connecting pipeline between the evaporator 9 and the main pipeline 13 and a connecting pipeline between the superheater 3 and the main pipeline 13.
Furthermore, the drain pipeline comprises a group of drain pipeline branches, and a drain valve 6 is arranged on each drain pipeline branch.
In order to better utilize the system for heating the steam and the condensed water of the heat supply pipe network by using the solar energy, the invention also provides a method for heating the steam and the condensed water of the heat supply pipe network by using the solar energy, which comprises the following steps: the groove type solar heat collector 1 heats heat-conducting oil in a circulating pipeline, and the heated heat-conducting oil circularly flows in a pipe network through a circulating pump;
one path of heat conduction oil is used for heating saturated steam in the heat pipe network through the superheater 3 until the saturated steam is in a superheated state, the heat conduction oil with lower temperature from the superheater is used for heating condensed water collected in the heat pipe network through the evaporator 9 to generate saturated steam with the same pressure and temperature as those of the main pipe, and the saturated steam is led to the main pipe 13 through the outlet 9-3 of the third evaporator for use; at the moment, the heat conducting oil used by the evaporator is circulated back to the groove type solar heat collector 1 for reheating through the outlet 9-1 of the first evaporator;
the other path of heat conduction oil flows into a high-temperature heat conduction oil storage tank 4, when the temperature of the heat conduction oil at the outlet of the trough type solar heat collector is lower than 230 ℃, the heat conduction oil flows out of the high-temperature heat conduction oil storage tank 4, and heats the saturated steam in the heat pipe network through a superheater 3 until the heat conduction oil is in a superheated state, the heat conduction oil with lower temperature coming out of the superheater heats the condensed water collected in the heat pipe network through an evaporator 9 to generate the saturated steam with the same pressure and temperature as those of the main pipeline, and the saturated steam is led to the main pipeline 13; at the moment, the heat conduction oil used by the evaporator directly enters the low-temperature heat conduction oil storage tank 5, and when the temperature of the heat conduction oil in the groove type solar heat collector is higher than 230 ℃, the heat conduction oil stored in the low-temperature heat conduction oil storage tank 5 enters the groove type solar heat collector 1 for heating.
Further, when the groove type solar heat collector heats the heat conduction oil in the circulating pipeline, condensed drainage generated by the main pipeline flows into the drainage header 7 through a group of drainage pipeline branches, the condensed drainage in the drainage header 7 flows into the evaporator 9 under the action of the drainage pump 8 to be heated, and when the condensed drainage is heated to a saturated state, the condensed drainage flows into the main pipeline 13 to be used. The working flow of condensation and drainage is that saturated steam with the same temperature and pressure in the main pipe is heated firstly, and is converged with the steam in the main pipe and then is heated in the superheater to be in a superheated state.
The working principle of the invention is as follows: and controlling the other part of high-temperature heat conduction oil to flow into the high-temperature heat storage tank 4 according to the weather condition and the steam flow of the heat supply pipe network, flowing out heating saturated steam from the high-temperature storage tank 4 at night or in rainy days, and flowing back the heated low-temperature heat conduction oil into the low-temperature storage tank 5. The temperature gradually rises and then flows out of the solar collector. The heated high-temperature heat conduction oil flows into a high-temperature storage tank in the heat storage system, wherein a part of the high-temperature heat conduction oil flows out of the high-temperature storage tank, exchanges heat with a heated medium in two-stage heat exchangers of an evaporator and a superheater in sequence, and then flows back into the low-temperature storage tank. Condensed water is heated to a saturated state in the evaporator 9 by a heater and then is converged into a heat supply pipe, and then exchanges heat with high-temperature heat conduction oil in a superheater together with steam in the pipe; the other part of high-temperature heat conducting oil is stored in the high-temperature storage tank, and heat exchange is continuously output when no sunlight exists at night, so that the heat of the high-temperature heat conducting oil is fully utilized.
Has the advantages that: (1) the solar energy is used as clean energy, the cost is low, no pollution is caused, the high-temperature heat conduction oil is used for heating heat supply saturated steam and condensed water in sequence, the energy is utilized in a gradient manner, and the quality of the existing steam and the loss of the condensed water are greatly improved; (2) by adopting the invention, the original heat supply pipe network is less in reconstruction places, lower in reconstruction cost and higher in feasibility.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Wherein: the solar energy heat collector comprises a groove type solar heat collector body, a circulating pump body, a superheater outlet body, a.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
Examples
The system for heating steam and condensed water of a heat supply pipe network by solar energy comprises a drainage system and a heating system,
the heating system comprises a groove type solar heat collector 1, the groove type solar heat collector 1 is connected with a superheater 3 through a first heating pipeline 14, the superheater 3 is provided with two outlets, a first superheater outlet 3-1 is connected with a main pipeline 13, and a second superheater outlet 3-2 is connected with an evaporator 9; the evaporator 9 is provided with three outlets, the outlet 9-1 of the first evaporator is connected with the trough type solar heat collector 1 through a second heating pipeline 15, the outlet 9-2 of the second evaporator is connected with a drainage header 7 in a drainage system, and the outlet 9-3 of the third evaporator is connected with a main pipeline 13;
the first heating pipeline 14 is connected with a high-temperature heat conduction oil storage tank 4; the second heating pipeline 15 is connected with a low-temperature heat conduction oil storage tank 5;
the drainage system also comprises a drainage pump 8 arranged between the drainage header 7 and the evaporator 9 and a drainage pipeline connecting the main pipeline 13 and the drainage header 7;
the drain pump 8 also functions as a circulation pump so that the drain flows in the pipe.
The superheater 3 is a shell-and-tube superheater. And heat conduction oil stop valves 12 are respectively arranged on a connecting pipeline between the high-temperature heat conduction oil storage tank 4 and the first heating pipeline 14 and a connecting pipeline between the low-temperature heat conduction oil storage tank 5 and the second heating pipeline 15. Electromagnetic valves 10 are arranged on a connecting pipeline between the evaporator 9 and the main pipeline 13 and a connecting pipeline between the superheater 3 and the main pipeline 13. The drain pipeline comprises a group of drain pipeline branches, and drain valves 6 are arranged on the drain pipeline branches. And a circulating pump 2 is also arranged between the high-temperature heat-conducting oil storage tank and the superheater.
In order to better utilize the system for heating the steam and the condensed water of the heat supply pipe network by using the solar energy, the invention also provides a method for heating the steam and the condensed water of the heat supply pipe network by using the solar energy, which comprises the following steps: the groove type solar heat collector 1 heats heat-conducting oil in a circulating pipeline, and the heated heat-conducting oil circularly flows in a pipe network through a circulating pump;
one path of heat conduction oil is used for heating saturated steam in the heat pipe network through the superheater 3 until the saturated steam is in a superheated state, the heat conduction oil with lower temperature from the superheater is used for heating condensed water collected in the heat pipe network through the evaporator 9 to generate saturated steam with the same pressure and temperature as those of the main pipe, and the saturated steam is led to the main pipe 13 through the outlet 9-3 of the third evaporator for use; at the moment, the heat conducting oil used by the evaporator is circulated back to the groove type solar heat collector 1 for reheating through the outlet 9-1 of the first evaporator;
the other path of heat conduction oil flows into a high-temperature heat conduction oil storage tank 4, when the temperature of the heat conduction oil at the outlet of the trough type solar heat collector is lower than 230 ℃, the heat conduction oil flows out of the high-temperature heat conduction oil storage tank 4, and heats the saturated steam in the heat pipe network through a superheater 3 until the heat conduction oil is in a superheated state, the heat conduction oil with lower temperature coming out of the superheater heats the condensed water collected in the heat pipe network through an evaporator 9 to generate the saturated steam with the same pressure and temperature as those of the main pipeline, and the saturated steam is led to the main pipeline 13; at the moment, the heat conduction oil used by the evaporator directly enters the low-temperature heat conduction oil storage tank 5, and when the temperature of the heat conduction oil in the groove type solar heat collector is higher than 230 ℃, the heat conduction oil stored in the low-temperature heat conduction oil storage tank 5 enters the groove type solar heat collector 1 for heating.
When the conduction oil in the groove type solar heat collector heating circulation pipeline, the condensation drainage generated by the main pipeline flows into the drainage header 7 through a group of drainage pipeline branches, the condensation drainage in the drainage header 7 flows into the evaporator 9 under the action of the drainage pump 8 for heating, and the condensation drainage is heated to a saturated state and then flows into the main pipeline 13 for use. The working flow of condensation and drainage is that saturated steam with the same temperature and pressure in the main pipe is heated firstly, and is converged with the steam in the main pipe and then is heated in the superheater to be in a superheated state.
The working process of the invention is as follows:
when the heat conduction oil in the groove type solar heat collector is lower than 230 ℃, the heat conduction oil in the circulating pipeline is heated by the groove type solar heat collector 1, the heated heat conduction oil circularly flows in a heat supply pipe network through a circulating pump, the heat conduction oil is divided into two paths of circularly flowing, the first path of heat conduction oil is heated by a superheater and an evaporator to saturate steam and condensate water, so that a main pipeline is used, the temperature of the heat conduction oil is reduced by the superheater and the evaporator, the heat conduction oil is circularly returned to the groove type solar heat collector for reheating, and the circulation is repeated. The second path of heat conduction oil flows into the high-temperature heat conduction oil storage tank for storage, when the heat conduction oil in the groove type solar heat collector is lower than 230 ℃, the first path of heat conduction oil stops circulating, the second path of heat conduction oil flows out of the high-temperature heat conduction oil storage tank and passes through the superheater and the evaporator to heat saturated steam and condensed water in a heat supply pipe network, at the moment, the heat conduction oil passing through the superheater and the evaporator flows into the low-temperature heat conduction oil storage tank 5, and when the heat conduction oil in the groove type solar heat collector is higher than 230 ℃, the heat conduction oil stored in the low-temperature heat.
When above-mentioned conduction oil work, the condensation that the trunk line produced is hydrophobic to flow in hydrophobic header 7 through a set of hydrophobic pipeline branch road, and the condensation in hydrophobic header 7 is hydrophobic to flow in the evaporimeter 9 under the effect of drain pump 8 and heats, supplies the use in flowing into trunk line 13 after the hydrophobic heating of condensation to the saturated condition, sets up to open or stop the valve according to the demand in the hydrophobic stop valve 11 of drain pump 8 one side.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the above embodiments do not limit the present invention in any way, and all technical solutions obtained by using equivalent alternatives or equivalent variations fall within the scope of the present invention.
Claims (5)
1. The utility model provides a system for solar heating heat supply pipe network steam and comdenstion water, includes drainage system and heating system, its characterized in that:
the heating system comprises a trough type solar heat collector (1), the trough type solar heat collector (1) is connected with a superheater (3) through a first heating pipeline (14), the superheater (3) is provided with two outlets, a first superheater outlet (3-1) is connected with a main pipeline (13), and a second superheater outlet (3-2) is connected with an evaporator (9); the evaporator (9) is provided with three outlets, the outlet (9-1) of the first evaporator is connected with the trough type solar heat collector (1) through a second heating pipeline (15), the outlet (9-2) of the second evaporator is connected with a drainage header (7) in a drainage system, and the outlet (9-3) of the third evaporator is connected with a main pipeline (13);
the first heating pipeline (14) is connected with a high-temperature heat conduction oil storage tank (4); the second heating pipeline (15) is connected with a low-temperature heat conduction oil storage tank (5);
the drainage system also comprises a drainage pump (8) arranged between the drainage header (7) and the evaporator (9) and a drainage pipeline connecting the main pipeline (13) and the drainage header (7).
2. The system of claim 1, wherein the steam and condensate in the solar heating heat supply network comprises: the superheater (3) is a shell-and-tube superheater.
3. The system of claim 1, wherein the steam and condensate in the solar heating heat supply network comprises: and heat conduction oil stop valves (12) are arranged on a connecting pipeline between the high-temperature heat conduction oil storage tank (4) and the first heating pipeline (14) and a connecting pipeline between the low-temperature heat conduction oil storage tank (5) and the second heating pipeline (15).
4. The system of claim 1, wherein the steam and condensate in the solar heating heat supply network comprises: and electromagnetic valves (10) are arranged on a connecting pipeline between the evaporator (9) and the main pipeline (13) and a connecting pipeline between the superheater (3) and the main pipeline (13).
5. The system of claim 1, wherein the steam and condensate in the solar heating heat supply network comprises: the drain pipeline comprises a group of drain pipeline branches, and drain valves (6) are arranged on the drain pipeline branches.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822125556X | 2018-12-18 | ||
| CN201822125556 | 2018-12-18 |
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| Publication Number | Publication Date |
|---|---|
| CN209840445U true CN209840445U (en) | 2019-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920266690.3U Expired - Fee Related CN209840445U (en) | 2018-12-18 | 2019-03-04 | System for solar heating heat supply pipe network steam and comdenstion water |
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| Country | Link |
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| CN (1) | CN209840445U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109737620A (en) * | 2018-12-18 | 2019-05-10 | 南京天创电子技术有限公司 | A kind of system and method for solar energy heating heating network steam and condensed water |
| CN114111061A (en) * | 2021-11-25 | 2022-03-01 | 斯玛特储能技术有限公司 | Groove type heat collection field boosting mixed oil injection adjusting system and oil temperature adjusting method |
| CN114321694A (en) * | 2021-12-13 | 2022-04-12 | 南京苏夏设计集团股份有限公司 | Finished product heat-preservation drainage well |
-
2019
- 2019-03-04 CN CN201920266690.3U patent/CN209840445U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109737620A (en) * | 2018-12-18 | 2019-05-10 | 南京天创电子技术有限公司 | A kind of system and method for solar energy heating heating network steam and condensed water |
| CN109737620B (en) * | 2018-12-18 | 2024-02-09 | 南京天创电子技术有限公司 | System and method for heating heat supply pipe network steam and condensed water by solar energy |
| CN114111061A (en) * | 2021-11-25 | 2022-03-01 | 斯玛特储能技术有限公司 | Groove type heat collection field boosting mixed oil injection adjusting system and oil temperature adjusting method |
| CN114111061B (en) * | 2021-11-25 | 2022-07-05 | 斯玛特储能技术有限公司 | Groove type heat collection field boosting mixed oil injection adjusting system and oil temperature adjusting method |
| CN114321694A (en) * | 2021-12-13 | 2022-04-12 | 南京苏夏设计集团股份有限公司 | Finished product heat-preservation drainage well |
| CN114321694B (en) * | 2021-12-13 | 2024-01-23 | 南京苏夏设计集团股份有限公司 | Finished heat-insulating drain well |
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| CF01 | Termination of patent right due to non-payment of annual fee |
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