阅读说明：本技术 一种提高城镇供热效率的蒸汽管网系统及其使用方法 (Steam pipe network system for improving town heat supply efficiency and using method thereof ) 是由 刘领诚 于 2021-09-04 设计创作，主要内容包括：本申请涉及蒸汽管网的领域,公开了一种提高城镇供热效率的蒸汽管网系统及其使用方法,其结构包括用于连接热源厂和用户的蒸汽管道,所述蒸汽管道上设置有用于加热汽化冷凝水的加热部。本申请具有增加管道热效率的效果。(The application relates to the field of steam pipe networks, and discloses a steam pipe network system for improving town heat supply efficiency and a using method thereof. This application has the effect that increases the pipeline thermal efficiency.)

1. A steam pipe network system for improving the heating efficiency of cities and towns is characterized in that: the device comprises a steam pipeline (3) used for connecting a heat source plant (1) and a user (4), wherein a heating part (2) used for heating vaporized condensate water is arranged on the steam pipeline (3).

2. The steam pipe network system for improving the heating efficiency of the towns according to claim 1, characterized in that: heating portion (2) including connect in heating section (5) on steam conduit (3), heating section (5) inner wall bottom is seted up and is used for collecting water collecting bucket (7) of comdenstion water, water collecting bucket (7) department is provided with and is used for heating the heating vapourization device of comdenstion water in water collecting bucket (7).

3. The steam pipe network system for improving the heating efficiency of the towns and the cities as claimed in claim 2, wherein: the heating section (5) is provided with a plurality of heating sections along the extending direction of the steam pipeline (3).

4. A steam pipe network system for improving town heating efficiency according to claim 2 or 3, characterized in that: the heating and vaporizing device comprises an electric heating element (6) arranged at the bottom of the water collecting hopper (7), and the electric heating element (6) is electrically connected with a photovoltaic power generation panel (8) and/or a municipal power grid (9) for providing electric energy.

5. A steam pipe network system for improving town heating efficiency according to claim 2 or 3, characterized in that: heating vapourizing unit includes that one end is connected collector pipe (10) of water collecting bucket (7) bottom, collector pipe (10) are kept away from the one end of water collecting bucket (7) bottom is connected with heat preservation water storage tank (12), the bottom of heat preservation water storage tank (12) is provided with electric heating member (6), electric heating member (6) electricity is connected with photovoltaic power generation board (8) and/or municipal power net (9).

6. The steam pipe network system for improving the heating efficiency of the towns and the cities as claimed in claim 5, wherein: the water collecting pipe (10) is far away from one end of the bottom of the water collecting hopper (7) and is detachably connected with a water collecting pipe (11), the water collecting pipe (11) is far away from one end of the water collecting pipe (10) and is connected with the top in the heat-preservation water storage tank (12).

7. The steam pipe network system for improving the heating efficiency of the towns and the cities as claimed in claim 6, wherein: the top of the heat-preservation water storage tank (12) is connected with an overflow pipe (14), and a drain valve (13) is installed on the overflow pipe (14).

8. The use method of the steam pipe network system for improving the town heating efficiency, which is disclosed by claim 4, is characterized in that: disconnecting the electrical connection between the electrical heating element (6) and the utility grid (9) during peak power supply from the utility grid (9); during the time when the municipal power grid (9) supplies the valley electricity, the municipal power grid (9) supplies power to the electric heating element (6).

9. The use method of the steam pipe network system for improving the town heating efficiency, which is disclosed by claim 6, is characterized by comprising the following steps of: wait after heat preservation water storage tank (12) collect the comdenstion water, the disconnection catchment pipe (11) with be connected between collector pipe (10), the transportation heat preservation water storage tank (12) are to heat source factory (1) do further heat treatment after to the comdenstion water, will again heat preservation water storage tank (12) are transported back, will catchment pipe (11) with collector pipe (10) are reconnected.

Technical Field

The application relates to the field of steam pipe networks, in particular to a steam pipe network system for improving the heating efficiency of cities and towns.

Background

Hot steam is used as energy required by industrial production and is mostly conveyed to users in an industrial park through a steam pipe network, and pressure and temperature of the steam are inevitably lost in the process of conveying the steam along the steam pipe network, so that how to improve the heat efficiency of steam conveying is a subject of research in the field of heat supply networks.

The steam pipe network is at the in-process of carrying high-temperature steam, because the thermal loss of high-temperature steam, the phase transition can take place in steam conduit with some steam can be unavoidable, turns into water from the vapour, forms high-temperature condensate water and remains in steam conduit, and high-temperature condensate water is useless to the user, for guaranteeing the quality of user side steam, prior art adopts the mode of installation trap will need to discharge the high-temperature condensate water in the steam conduit more.

According to the related technology, the high-temperature condensate water discharged from the steam pipe network carries more heat, so that energy waste and pipe network heat efficiency are caused by loss of the high-temperature condensate water.

Disclosure of Invention

In order to increase the heat efficiency of a pipe network, the steam pipe network system for improving the heating efficiency of the cities and towns is provided.

The steam pipe network system for improving the town heat supply efficiency adopts the following technical scheme:

a steam pipe network system for improving the heating efficiency of cities and towns comprises a steam pipeline for connecting a heat source plant and a user, wherein a heating part for heating vaporized condensed water is arranged on the steam pipeline.

By adopting the technical scheme, the condensed water formed in the steam pipeline is heated and vaporized again and is fed into the steam pipeline, so that the condensed water containing heat is prevented from being discharged outside, the heat loss of the steam pipe network is greatly reduced, and the conveying heat efficiency of the steam pipe network is improved; the pressure and the temperature of steam are supplemented in the steam pipeline by heating the condensed water, so that the requirements on the steam temperature and the pressure at the input end of the steam pipeline are reduced, long-distance steam conveying can be carried out by adopting the most basic and simple steam pipeline, the requirements on the structure and the configuration of a steam pipe network for long-distance steam conveying are reduced, and the cost of the steam pipe network is greatly saved; in addition, the pressure and the temperature of steam at the input end of the steam pipeline are controllable, so that the steam is always at the optimal temperature for conveying the steam by the steam pipeline in the process of conveying the steam in the steam pipeline, and the heat conveying efficiency of the steam pipeline is further improved.

Preferably, the heating part comprises a heating section connected to the steam pipeline, a water collecting hopper used for collecting condensed water is arranged at the bottom of the inner wall of the heating section, and a heating and vaporizing device used for heating the condensed water in the water collecting hopper is arranged at the position of the water collecting hopper.

By adopting the technical scheme, the useless condensate water for the user is vaporized and enters the steam pipeline, so that the problem of the condensate water is effectively solved, and the waste of energy can be reduced.

Preferably, the heating section is provided in plurality along the extending direction of the steam pipeline.

By adopting the technical scheme, especially in a steam transportation scene with a very long distance, the heating sections are arranged, and condensed water is heated and vaporized in the heating sections to form high-temperature and high-pressure steam, so that not only can the lost energy of the pipeline be supplemented timely, but also the heat loss rate of the steam pipeline is reduced to the minimum when the steam is conveyed at the optimal temperature, and the energy waste is greatly reduced.

Preferably, the heating and vaporizing device comprises an electric heating element arranged at the bottom of the water collecting hopper, and the electric heating element is electrically connected with a photovoltaic power generation board and/or a municipal power grid for providing electric energy.

Through adopting above-mentioned technical scheme, adopt photovoltaic power generation board in municipal power grid cooperation power supply, at unable installation photovoltaic power generation board, perhaps when photovoltaic power generation board can't use, municipal power grid in time heats the vaporization to the comdenstion water in the water catch bowl, adopt the power supply of photovoltaic power generation board, utilize clean energy to provide the electric energy for the electricity heating member, be favorable to realizing the long-distance target that carbon reaches peak and carbon neutralization, in addition, utilize the power supply of photovoltaic power generation board can also satisfy remote area and unmanned on duty's application scene.

Preferably, the heating vaporizer includes that one end is connected the collector pipe of water collecting bucket bottom, the collector pipe is kept away from the one end of water collecting bucket bottom is connected with the water storage tank that keeps warm, the bottom of water storage tank that keeps warm is provided with electric heating member, electric heating member electricity is connected with photovoltaic power generation board and/or municipal power grid.

Through adopting above-mentioned technical scheme, in the comdenstion water that produces in the steam conduit collects the heat preservation water storage tank, when waiting daytime sunshine sufficient, photovoltaic power generation board work provides the electric energy for the electric heating part, makes in the comdenstion water heating vaporization gets back to the steam conduit again.

Preferably, one end of the water collecting pipe, which is far away from the bottom of the water collecting hopper, is detachably connected with a water collecting pipe, and one end of the water collecting pipe, which is far away from the water collecting pipe, is connected with the top of the heat-preservation water storage tank.

Through adopting above-mentioned technical scheme, the catchment pipe can be dismantled and be favorable to the removal of heat preservation water storage tank more.

Preferably, the top of the heat-preservation water storage tank is connected with an overflow pipe, and a drain valve is installed on the overflow pipe.

Through adopting above-mentioned technical scheme, after the heat preservation water storage tank holds the comdenstion water, the trap is opened, and outside unnecessary comdenstion water passed through the overflow pipe and discharged the heat preservation water storage tank, when can making comdenstion water quantity too much, the comdenstion water still can be discharged outside the steam conduit.

Preferably, during peak power supply from the utility grid, the electrical connection between the electrical heating element and the utility grid is disconnected; during the time that the municipal power grid provides valley electricity, the municipal power grid supplies power for the electric heating member.

Through adopting above-mentioned technical scheme, only adopt the millet electricity among the municipal power grid to provide the electric energy for the electric heating member, be favorable to the sufficient utilization of electric energy, avoided the loss of the energy.

Preferably, after the heat-preservation water storage tank collects the condensed water, the connection between the water collecting pipe and the water collecting pipe is disconnected, the heat-preservation water storage tank is transported to a heat source plant to further heat the condensed water, and then the heat-preservation water storage tank is transported back to be reconnected with the water collecting pipe.

By adopting the technical scheme, the condensed water is treated in a centralized manner, so that the energy waste is reduced, the integral structure of the system is simplified, and the installation cost is reduced.

In summary, the present application includes at least one of the following beneficial technical effects:

this application is through will heating the vaporization and feeding into steam conduit to the useless comdenstion water of user in, avoided containing thermal comdenstion water outer arranging, greatly reduced steam pipe network's heat waste has improved steam pipe network's transport thermal efficiency.

Set up a plurality of heating portions through its extending direction interval on the steam conduit, divide steam in the steam conduit to carry out pressure and thermal compensation many times to reduced the pressure and the temperature of steam conduit feed inlet department steam, then, reduced steam conduit to a plurality of dimensional performance's such as heat preservation, withstand voltage requirements, simplified pipe network structure and configuration, practiced thrift steam pipe network's cost greatly.

Through using photovoltaic power generation board to provide the electric energy for the electricity heating member, utilize clean energy to realize the promotion of steam pipe network transmission thermal efficiency, green is favorable to realizing the long-range target that carbon reaches the peak and carbon neutrality, in addition, utilizes the power supply specially adapted scene such as remote area and unmanned on duty of photovoltaic power generation board.

Through the heating power of control steam pipeline input steam temperature and electric heating member, can realize that steam is in the optimum temperature range of this steam pipeline transport steam all the time in the in-process of long distance transportation in the steam pipeline to further reduce the thermal loss in long distance transport process, reduced the waste of the energy, improved the thermal efficiency of heat supply network.

Drawings

Fig. 1 is a schematic structural diagram of a steam pipe network system for improving town heating efficiency in embodiment 1 of the present application.

Fig. 2 is a schematic structural view of a heating section in embodiment 1 of the present application.

Fig. 3 is a schematic structural view of a heating section in embodiment 2 of the present application.

Fig. 4 is a schematic structural view of a heating portion in embodiment 3 of the present application.

Fig. 5 is a sectional view taken along line a-a in fig. 4.

Description of reference numerals: 1. a heat source plant; 2. a heating section; 3. a steam line; 4. a user; 5. a heating section; 6. an electric heating element; 7. a water collecting hopper; 8. a photovoltaic power generation panel; 9. a municipal power grid; 10. a water collection pipe; 11. a water collecting pipe; 12. a heat-preservation water storage tank; 13. a drain valve; 14. and (4) an overflow pipe.

Detailed Description

The present application is described in further detail below with reference to the attached example drawings.

The embodiment of the application discloses a steam pipe network system for improving town heat supply efficiency.

Example 1:

referring to fig. 1 and 2, a steam pipe network system for improving town heat supply efficiency, including the steam pipe 3 that is used for carrying hot steam for user 4 from heat source factory 1, set up a plurality of being used for heating condensate water to saturated condition along its extending direction interval on the steam pipe 3, be convenient for condensate water regasification entering heating portion 2 in the steam pipe 3, heating portion 2 is including connecting in heating section 5 on steam pipe 3, heating section 5 is the one section of connection on steam pipe 3, water collecting hopper 7 has been seted up to the bottom of heating section 5 inner wall, be fixed with electric heating element 6 in the bottom of water collecting hopper 7 on heating section 5, in this embodiment, electric heating element 6 adopts the heating wire, electric heating element 6 electricity is connected with photovoltaic power generation board 8 that is used for providing the electric energy, photovoltaic power generation board 8 sets up outside steam pipe 3.

The implementation principle of the embodiment 1 is as follows: when in use, the high-temperature and high-pressure steam produced by the heat source plant 1 is input into the steam pipeline 3 and is conveyed to a user 4 for use by the steam pipeline 3.

Steam conduit 3 can produce the comdenstion water in long distance's transportation, the comdenstion water can collect the bottom in steam conduit 3 under the effect of gravity, flow into and collect in water collecting bucket 7 under steam air flow's drive after that, treat daytime photovoltaic power generation board 8 during operation, for electric heating element 6 provides the electric energy, electric heating element 6 heats the comdenstion water, make its vaporization and supply to steam conduit 3 in, this application is through will not having useful condensate water vaporization to user 4 and supply to steam conduit 3 in, it arranges outward to have avoided containing thermal comdenstion water, greatly reduced steam pipe network's heat waste, the steam pipe network's of carrying thermal efficiency has been improved.

Set up a plurality of heating portions 2 along its extending direction interval on steam conduit 3, divide steam in 3 steam conduit to carry out pressure and thermal compensation many times to reduced pressure and the temperature of 3 feed ends steam in steam conduit, then, reduced steam conduit 3 to a plurality of dimensional performance's such as heat preservation, withstand voltage requirements, simplified pipe network structure and configuration, practiced thrift steam pipe network's cost greatly.

Steam conduit 3's thermal insulation performance is related to the steam temperature of its inside transport, through the optimum temperature who obtains steam conduit 3 transport steam, add the heating power of 3 input steam temperature of control steam conduit and electric heating element 6, can realize the in-process of steam long distance transportation in steam conduit 3, be in the optimum temperature range of this steam conduit 3 transport steam all the time, thereby further reduce the thermal loss in long distance transportation process, the waste of the energy has been reduced, the thermal efficiency of heat supply network has been improved.

Give electric heating member 6 through photovoltaic power generation board 8 and provide the electric energy, utilize clean energy to realize the promotion of steam pipe network transmission thermal efficiency, green is favorable to realizing the long-distance target that carbon reaches the peak and carbon neutrality, in addition, utilizes photovoltaic power generation board 8 power supply can also satisfy remote area and unmanned on duty's application scene.

Example 2:

referring to fig. 3, a steam pipe network system for improving the heating efficiency of cities and towns is different from embodiment 1 in that an electric heating member 6 is electrically connected with a municipal power grid 9 for supplying electric energy.

The implementation principle of the embodiment 2 is as follows: compare with embodiment 1, during the use, this embodiment only adopts the millet electricity at night among the municipal power grids 9 to provide the electric energy for electric heating member 6, is favorable to the sufficient utilization of millet electricity, has avoided the loss of the energy.

Example 3:

referring to fig. 4 and 5, a steam pipe network system for improving heating efficiency of cities and towns is different from embodiment 1 in that a heating part 2 further comprises a water collecting pipe 10 arranged in a heating section 5, one end of the water collecting pipe 10 is connected with the bottom of a water collecting hopper 7, one ends of a plurality of water collecting pipes 10 far away from the bottom of the water collecting hopper 7 are respectively connected with a water collecting pipe 11 through a pipeline, the water collecting pipes 11 are detachably connected with the water collecting pipes 10, one end of the water collecting pipe 11 far away from the water collecting pipe 10 is connected with a heat preservation water storage tank 12, an electric heating element 6 is arranged at the bottom of the heat preservation water storage tank 12, in the embodiment, the electric heating element 6 is an electric heating wire, the electric heating element 6 is electrically connected with a photovoltaic power generation panel 8, when in use, steam pressure in a steam pipeline 3 presses condensed water of the plurality of water collecting hoppers 7 into the heat preservation water storage tank 12 through the water collecting pipes 10 and the water collecting pipes 11 in sequence, and then uses the electric heating element 6 to perform centralized heating treatment on the collected condensed water, after the comdenstion water heating vaporization in the heat preservation water storage tank 12, the vapor pressure in the heat preservation water storage tank 12 increases, realizes in comdenstion water vaporization backward flow to steam conduit 3 again, and wherein, the one end that catchment pipe 11 was kept away from collector pipe 10 extends to the top in the heat preservation water storage tank 12 to be convenient for heat preservation water storage tank 12 in the steam flows back to steam conduit 3 through catchment pipe 11, avoids the comdenstion water that is located heat preservation water storage tank 12 bottom to flow back to in the water catch bowl 7 simultaneously.

The top of the heat preservation water storage tank 12 is connected with an overflow pipe 14, a drain valve 13 is installed on the overflow pipe 14, when the heat preservation water storage tank 12 is full of condensed water, the drain valve 13 is opened, and the redundant condensed water is discharged out of the heat preservation water storage tank 12 through the overflow pipe 14.

Compare in embodiment 1, during the use of this embodiment, during the comdenstion water with in a plurality of catchments fill 7 collects to heat preservation water storage tank 12 together, photovoltaic power generation board 8 is the power supply of electric heating member 6, electric heating member 6 heats the comdenstion water to the steam state, the pressure in the water storage tank 12 that keeps warm has been increased simultaneously, when the pressure of the water storage tank 12 that keeps warm is greater than the pressure in the steam conduit 3, the steam in the water storage tank 12 that keeps warm is through catchmenting pipe 11 and collector pipe 10 and is got back to in the middle of the steam conduit 3, thereby realized the compensation to steam pipe network temperature and pressure. The condensed water of the heating parts 2 is collected in the heat-preservation water storage tank 12 to be processed, so that the overall structure of the system is simplified, the cost is reduced, and the utilization rate of the electric heating part 6 is improved.

The use method of the steam pipe network system for improving the town heat supply efficiency comprises the following steps: when sunshine is sufficient, photovoltaic power generation board 8 work provides the electric energy for electricity heating member 6, makes in the comdenstion water heating vaporization gets back to steam conduit 3 again, adopts photovoltaic power generation board 8 power supply not only to solve electricity heating member 6's power supply problem effectively, still is favorable to realizing setting up heating portion 2 in the remote area, has improved clean energy's the rate of utilization, accords with this target of social sustainable development more.

When the sunshine is insufficient, the municipal power grid 9 can be selected for connection, and the condensed water is heated and vaporized; in addition, when heat preservation water storage tank 12 collected full comdenstion water, can also select to break off the connection between catchment pipe 11 and the collector pipe 10, breaks off the connection between electric heating member 6 and the photovoltaic power generation board 8, transports heat preservation water storage tank 12 to heat source factory 1 and does further heat treatment back to the comdenstion water, and the comdenstion water vaporization produces the high-pressure steam of high temperature in heat preservation water storage tank 12, will again heat preservation water storage tank 12 transports back, and the one end of keeping away from heat preservation water storage tank 12 with catchment pipe 11 is reconnected with the one end that collector pipe 10 kept away from collecting hopper 7, utilizes the pressure in the heat preservation water storage tank 12 to squeeze into steam conduit 3 with its inside gas is whole.

Compare in embodiment 3, during the use of this embodiment, through the comdenstion water that collects a plurality of heating portions 2 in heat preservation water storage tank 12, the comdenstion water in the heat preservation water storage tank 12 is concentrated and is handled, transports heat source factory with heat preservation water storage tank 12 and heats, and the unnecessary heat in the make full use of heat source factory not only the use of energy saving has still simplified the overall structure of system, has reduced installation cost.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.