CN214307278U

CN214307278U - Solar heat storage and supply system based on flooded mine

Info

Publication number: CN214307278U
Application number: CN202020931915.5U
Authority: CN
Inventors: 张霄; 张晓杰; 薛祯祯; 孙沙沙; 王磊; 孙超; 徐汉文; 张山
Original assignee: Shandong Fangneng New Kinetic Energy Research Institute Co ltd
Current assignee: Shandong Fangneng New Kinetic Energy Research Institute Co ltd
Priority date: 2020-05-28
Filing date: 2020-05-28
Publication date: 2021-09-28
Anticipated expiration: 2030-05-28

Abstract

The utility model discloses a solar energy heat accumulation heating system based on flood mine, include the mine, the tunnel system that are flooded by water, pumping system, solar energy collection system, hot water drainback system, heating pipe network. The water pumping system extracts mine water to the ground through a water pumping vertical shaft, an array formed by a plurality of groups of solar heat collecting plates is distributed in the solar heat collecting system, the number of the arrays is determined according to the requirement on heating load in winter, cold water extracted to the ground by the water pumping system heats water to a specified temperature through the solar heat collecting system, the hot water back-drainage system drains water heated by the solar heat collecting system back to the underground through the back-drainage vertical shaft, and the heating pipe network connects hot water extracted by the water pumping system to a residential area for heating in the heating period in winter. The utility model discloses can store the mine aquatic with the solar energy in non-heating season, heat the residential area in heating season.

Description

Solar heat storage and supply system based on flooded mine

Technical Field

The utility model relates to a solar energy heat accumulation heating system based on flood mine especially relates to a solar energy application system of solar energy collection, underground mine water heat-retaining, heating season heat supply.

Background

With continuous exploitation of underground mineral resources in China, more and more underground mines face to be abandoned after the reserve exploitation is finished, and the mines after stopping exploitation are often submerged by water burst of the mines to become underground reservoirs. The specific heat capacity of water is very large, the capacity of storing heat is large, solar energy resources in one area every year, particularly solar radiation energy in 6-9 months are very visible, if solar energy in non-heating seasons is collected and stored in underground mine water, when the temperature of the underground mine water exceeds 50 ℃, the solar energy has practical significance for heating in winter, and hot water is extracted to heat residential areas in the heating seasons.

The existing energy storage technology, especially the 'hot pool' for storing a large amount of heat energy, has high construction cost and huge volume, and the water flooded mine is a very good 'hot pool' naturally due to the huge water amount in the water flooded mine.

The utility model discloses regard water logging mine and wherein water as "hot pond", deposit the solar energy of non-heating season in "hot pond", take out wherein heat again in heating season, realize heating in winter. The use amount of heating coal in winter in the north can be reduced, and the appearance of haze weather in winter is reduced.

Disclosure of Invention

The utility model aims at providing a solar energy heat accumulation heating system based on flooding mine finishes to mine such as colliery, metal mine and stops the drainage after, can be flooded by the water, forms an underground reservoir, wherein through converting solar energy into heat storage, realizes heating winter, realizes its economy and environmental benefit.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model aims at providing a solar heat storage and heating system based on a flooded mine, which comprises a flooded mine, a roadway system, a pumping system, a solar heat collection system, a hot water back-drainage system and a heating pipe network; the water pumping system is connected with a water-submerged mine, a roadway system and a solar heat collecting system, the hot water back-discharging system is connected with the solar heat collecting system, a heating pipe network and a back-discharging vertical shaft, and the heating pipe network is connected with the water-submerged mine, the roadway system, a residential area and the hot water back-discharging system.

As the preferred technical scheme, the water-submerged mine and tunnel system is located underground and used as a 'hot pool' of the whole system for storing heat, and the water pumping shaft, the tunnel and the back drainage shaft are communicated with each other.

As a preferred technical scheme, the water pumping system comprises a submersible pump positioned under water, a pipeline connected with the submersible pump and a # 1 control room. And the outlet of the No. 1 control room is connected with a solar heat collection system and a heating pipe network.

As a preferred technical solution, the solar heat collection system comprises a multi-stage, water collector, a plurality of circulating pumps, and a plurality of solar arrays grouped according to a certain manner; for collecting solar energy and heating the water.

Preferably, the hot water drainback system comprises a No. 2 control room, a circulating pump and a drainback pipe network. In the heating season, the 2# control room is connected with a heating pipe network and a solar heat collecting system.

As a preferred technical scheme, the heating pipe network is connected with a water pumping system, a solar heat collecting system, a residential area and a hot water back-discharging system, and water heated by the solar heat collecting array and hot water in a mine and a roadway system are conveyed to the residential area for heating in a heating season.

As the preferred technical scheme, the solar heat collection system, the hot water back-drainage system and the heat supply pipe network are all provided with circulating water pumps.

The utility model discloses following beneficial effect has:

1. the utility model discloses a reuse of flood mine underground space and groundwater thereof as the huge energy storage facility of capacity.

2. The solar heating system has the advantages that partial solar energy replaces fire coal to supply heat in winter, so that the environmental problems caused by the use of coal can be reduced, the occurrence of haze weather in winter in northern areas is reduced, and good environmental benefits are achieved.

Drawings

FIG. 1 is a schematic composition diagram of a solar heat storage and supply system based on a flooded mine;

FIG. 2 is a flow chart of the system during non-heating seasons;

FIG. 3 is a flow chart of the system heating season;

in the figure, 1, a water pumping shaft, 2, a return drainage shaft, 3, a roadway, 4, a submersible pump, 5, a 1# control room, 6, a water dividing/collecting device, 7, a solar array, 8, a water dividing/collecting device, 9, a 2# control room, 10, a heating system, 11 and a return drainage pipe network.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Fig. 1 shows a solar thermal storage heating system based on a flooded mine, which comprises: mine, tunnel system: a water pumping vertical shaft 1, a back drainage vertical shaft 2 and a roadway 3; a water pumping system: a submersible pump 4, a No. 1 control chamber and a communicating pipeline; the solar heat collection system comprises: a water separator/collector 6, a solar array 7 and a water separator/collector 8; a heating pipe network 10; hot water returns row system: 2# control room 9 and return-discharge pipe network 11.

The solar heat storage and heating system based on the flooded mine is shown in fig. 2, and the working principle and the process in the non-heating season are as follows: a submersible pump 4 in the pumping system pumps cold water from a pumping shaft 1, the cold water is sent to a water distributing/collecting device 6 through a No. 1 control chamber 5 and is distributed to each solar array 7, the cold water is heated by the solar arrays 7, then converged by a water distributing/collecting device 8 and regulated and controlled by a No. 2 control chamber and is discharged back to a back drainage shaft 2, and hot water is stored in a mine and a roadway system for later use.

The solar heat storage and heating system based on the flooded mine is shown in fig. 3, and the working principle and the process in the heating season are as follows: a submersible pump 4 in the pumping system pumps hot water from a pumping shaft 1 and sends the hot water to a residential area through a heating pipe network 10 under the regulation and control of a No. 1 control room 5. Heating backwater enters the solar heat collecting system under the regulation and control of the No. 2 control room, part of the backwater flows back to the No. 1 control room 5 after being heated by the water distributing/collecting device 8, the solar array 7 and the water distributing/collecting device 6 in sequence, and is sent to the heating pipe network 10 again together with hot water from the water pumping system for heating; and the other part of return water is sent to the back-discharging vertical shaft 2 through the hot water back-discharging system to absorb heat again, and then the process is repeated for heating.

And the solar heat collection system, the hot water return and discharge system and the heat supply pipe network are all provided with circulating water pumps.

The solar heat collection system comprises a water distributor/collector 6, a solar array 7 and a water distributor/collector 8. The water separator/collector 6 functions as a water separator in non-heating seasons and as a water collector in heating seasons; the water separator/collector 8 functions as a water collector in non-heating seasons and as a water separator in heating seasons.

The above is to the exemplary description of the present invention, and obviously the present invention is not limited by the above-mentioned manner, as long as it adopts the various improvements that the technical solution of the present invention is going on, or will not improve the present invention's conception and technical solution are directly applied to other occasions, all in the protection scope of the present invention.

Claims

1. The utility model provides a solar energy heat accumulation heating system based on flood mine which characterized in that: the system comprises a mine and a roadway system which are submerged by water, a water pumping system, a solar heat collection system, a hot water back drainage system and a heating pipe network; wherein the water pumping system is connected with a mine which is submerged by water, a roadway system and a solar heat collecting system; the hot water back-drainage system is connected with the solar heat collection system, the heating pipe network and the back-drainage vertical shaft; the heating pipe network is connected with a mine submerged by water, a roadway system, a residential area and a hot water back-drainage system.

2. The solar heat storage and supply system based on the flooded mine as claimed in claim 1, wherein: the pumping system consists of a submersible pump, a No. 1 control chamber and corresponding pipelines, and the submersible pump and part of the pipelines are positioned below the water surface of the mine.

3. The solar heat storage and supply system based on the flooded mine as claimed in claim 1, wherein: the solar heat collection system consists of a water distributor, a solar array and a water collector, and is used for heating water in a mine and a roadway by using solar energy in a non-heating season and heating return water by using solar energy in a heating season.

4. The solar heat storage and supply system based on the flooded mine as claimed in claim 1, wherein: one end of a return discharge pipe network of the hot water return discharge system is connected with the 2# control chamber, and the other end of the return discharge pipe network is communicated with the return discharge vertical shaft.

5. The solar heat storage and supply system based on the flooded mine as claimed in claim 1, wherein: the heating pipe network is connected with the pumping system and the hot water return and drainage system, hot water in the mine and the roadway system is delivered to residential areas for heating in a heating season, and heating return water is drained back to the mine and the roadway system through the hot water return and drainage system.

6. The solar heat storage and supply system based on the flooded mine as claimed in claim 1, wherein: and the solar heat collection system, the hot water return and discharge system and the heat supply pipe network are all provided with circulating water pumps.