CN216203246U

CN216203246U - Steam heat accumulator

Info

Publication number: CN216203246U
Application number: CN202122626636.5U
Authority: CN
Inventors: 王四久; 洪文辉; 胡剑辉; 胡俊飞; 盖振兴; 银力
Original assignee: Guangzhou Xinrui New Energy Development Co ltd
Current assignee: Guangzhou Xinrui New Energy Development Co ltd
Priority date: 2021-10-29
Filing date: 2021-10-29
Publication date: 2022-04-05
Anticipated expiration: 2031-10-29

Abstract

The utility model discloses a steam heat accumulator which comprises a tank body, a gas ejector pipe, a gas outlet pipe, a heating device and a spraying device, wherein the tank body is provided with a gas inlet pipe and a gas outlet pipe; the gas injection pipe is arranged at the bottom of the tank body, the gas outlet pipe is arranged at the top of the tank body, and a plurality of steam ejectors are uniformly arranged on the gas injection pipe; the heating device is arranged at the bottom of the tank body and can heat the liquid water at the bottom of the tank body; the spraying device comprises a water inlet, a water pump and a water outlet, wherein two ends of the water pump are respectively connected to the water inlet and the water outlet through pipelines, the water inlet is arranged at the bottom of the tank body, the water outlet is arranged at the top of the tank body, and the water pump can convey liquid water at the bottom of the tank body to the water outlet for downward spraying. The steam heat accumulator can store heat and stably output steam pressure.

Description

Steam heat accumulator

Technical Field

The utility model belongs to the technical field of steam heat accumulators, and particularly relates to a steam heat accumulator.

Background

The steam heat accumulator is a water container with a large volume, can absorb redundant steam from a boiler when the system load is reduced, and can send the steam when the system load is increased, and the pressure swing heat accumulator is mainly adopted at present. When the steam consumption is reduced, the residual steam enters a water tank of the steam heat accumulator, is mixed with water in the water tank and is condensed into liquid water, heat is released into the water, the water level of the water tank rises due to the condensation of the steam at the moment, and the pressure in the water tank correspondingly rises, so that the heat accumulation process of the heat accumulator is realized; when the steam consumption is increased, the pressure in the pipeline and the heat accumulator is reduced, and because the water temperature in the water tank is higher than the corresponding saturated temperature after the pressure is reduced, part of water is evaporated into steam and sent to a heat user, so that the steam supply amount is increased, and the heat release process of the heat accumulator is realized. The energy storage and release of the existing steam heat accumulator depend on the evaporation and condensation process of water, and if the evaporation and condensation rate of the water is low, the energy storage and heat release rate of the steam heat accumulator is also low.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that the energy storage rate and the release rate of a steam heat accumulator in the prior art are low, the utility model provides the steam heat accumulator which can improve the energy storage rate and the heat release rate of the steam heat accumulator.

In order to solve the technical problems, the technical scheme adopted by the utility model is as follows: a steam heat accumulator comprises a tank body, a gas injection pipe, a gas outlet pipe, a heating device and a spraying device; the gas injection pipe is arranged at the bottom of the tank body, the gas outlet pipe is arranged at the top of the tank body, and a plurality of steam ejectors are uniformly arranged on the gas injection pipe;

the heating device is arranged at the bottom of the tank body and can heat the liquid water at the bottom of the tank body; the spraying device comprises a water inlet, a water pump and a water outlet, wherein two ends of the water pump are respectively connected to the water inlet and the water outlet through pipelines, the water inlet is arranged at the bottom of the tank body, the water outlet is arranged at the top of the tank body, and the water pump can convey liquid water at the bottom of the tank body to the water outlet for downward spraying.

Furthermore, the water outlet is provided with a spray head which can spray water in a mist shape. The spray head sprays water mist, so that the condensation speed of the steam in the tank body can be further accelerated.

Furthermore, the heating device comprises a plurality of electric heating tubes which are fixed on the inner wall of the tank body. The electric heating pipe can heat the liquid water at the bottom of the tank body only by electrifying, so that the evaporation speed of the water is accelerated.

Furthermore, the top of the tank body is uniformly provided with a plurality of spray heads. And the coverage area of the spray head for spraying water mist is increased.

Further, the tank body is provided with a water outlet, and the water outlet is provided with a water drainage valve. The water outlet can discharge the liquid water at the bottom of the tank body, so that the overhigh water level in the tank body is avoided.

Further, the water storage tank is further included, and the water outlet is connected to the water storage tank through a pipeline. The water storage tank is used for collecting liquid water flowing out of the water outlet.

The steam heat accumulator has the following beneficial effects: the system load is reduced, when the supplied steam is excessive, the energy storage rate is increased, the spraying device is arranged, the liquid water at the bottom of the tank body is conveyed to the top of the tank body to be sprayed downwards, and the condensation rate of the steam in the tank body is accelerated; the system load increases, when the supply steam is not enough, improves the heat release rate, sets up heating device heats the liquid water of jar body bottom for the evaporation rate of water, releases steam fast and supplyes the not enough.

Drawings

Fig. 1 is a first structural schematic diagram of a steam heat accumulator of the utility model;

FIG. 2 is a second schematic structural diagram of a steam heat accumulator according to the present invention;

the device comprises a tank body 1, a tank body 11, a water outlet 111, a water discharge valve 2, a gas injection pipe 21, a steam ejector 3, a gas outlet pipe 4, a heating device 41, an electric heating pipe 5, a spraying device 51, a water inlet 52, a water pump 53, a water outlet 531, a spray head 6 and a water storage tank.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-2, the utility model relates to a steam heat accumulator, which comprises a tank body 1, a gas injection pipe 2, a gas outlet pipe 3, a heating device 4 and a spraying device 5; the gas injection pipe 2 is arranged at the bottom of the tank body 1, the gas outlet pipe 3 is arranged at the top of the tank body 1, and a plurality of steam ejectors 21 are uniformly arranged on the gas injection pipe 2;

the heating device 4 is arranged at the bottom of the tank body 1, and the heating device 4 can heat the liquid water at the bottom of the tank body 1; the spraying device 5 comprises a water inlet 51, a water pump 52 and a water outlet 53, the two ends of the water pump 52 are respectively connected to the water inlet 51 and the water outlet 53 through pipelines, the water inlet 51 is arranged at the bottom of the tank body 1, the water outlet 53 is arranged at the top of the tank body 1, and the water pump 52 can convey the liquid water at the bottom of the tank body 1 to the water outlet 53 for downward spraying.

Further, the water outlet 53 is provided with a spray head 531, and the spray head 531 can spray water in a mist shape. The spray head 531 sprays water mist, so that the condensation speed of the steam in the tank body 1 can be further increased.

Further, the heating device 4 comprises a plurality of electric heating tubes 41, and the electric heating tubes 41 are fixed on the inner wall of the tank body 1. The electric heating tube 41 can heat the liquid water at the bottom of the tank body 1 only by electrifying, so that the evaporation speed of the water is accelerated.

Furthermore, the plurality of spray heads 531 are uniformly arranged on the top of the tank body 1. The coverage area of the spray head 531 for spraying water mist is increased.

Further, the tank 1 is provided with a water outlet 11, and the water outlet 11 is provided with a drain valve 111. The water outlet 11 can discharge liquid water at the bottom of the tank body 1, so that the water level in the tank body 1 is prevented from being too high.

Further, a water storage tank 6 is also included, and the water outlet 11 is connected to the water storage tank 6 through a pipeline. The water storage tank 6 is used for collecting liquid water flowing out of the water outlet 11.

The method comprises the following steps in specific use: when the steam consumption is reduced, steam enters the tank body 1 from the gas injection pipe 2, the steam is sprayed out from the steam sprayer 21 and is mixed with liquid water at the bottom of the tank body 1, the steam is precooled and condensed, heat is released into the water, the steam quantity discharged from the gas outlet pipe 3 is reduced, and the steam supply quantity is reduced; at this time, the water pump 52 of the spraying device 5 is started, liquid water at the bottom of the tank body 1 is conveyed from the water inlet 51 to the water outlet 53 at the top of the tank body 1, and is sprayed downwards through the spray head 531, so that steam in the tank body 1 is condensed, and the condensation rate is increased; at this time, the water level of the tank body 1 rises due to the condensation of the steam, and the pressure in the water tank rises, which is a heat storage process of the steam heat accumulator. When the steam consumption is increased, the pressure in the tank body 1 is reduced, and because the temperature of water in the tank body 1 is higher than the corresponding saturation temperature after the pressure is reduced, part of water is evaporated into steam and discharged from the air outlet pipe 3, so that the steam supply is increased, at the moment, the heating device 4 is started, the electric heating pipe 41 is electrified, the liquid water in the tank body 1 is heated, and the evaporation rate is accelerated; at this time, the water level of the tank 1 is lowered due to the evaporation of water, and the pressure in the water tank is lowered, which is a heat release process of the steam heat accumulator.

The present invention and the embodiments thereof have been described above without limitation, and the actual structure shown in the drawings is only one of the embodiments of the present invention, and is not limited thereto, and in conclusion, if persons skilled in the art are informed by the teachings of the present invention, the structural modes and embodiments similar to the technical solutions should not be creatively designed without departing from the spirit of the present invention, and all such modifications and embodiments shall fall within the protection scope of the present invention.

Claims

1. A steam heat accumulator characterized by: comprises a tank body (1), a gas injection pipe (2), a gas outlet pipe (3), a heating device (4) and a spraying device (5); the gas injection pipe (2) is arranged at the bottom of the tank body (1), the gas outlet pipe (3) is arranged at the top of the tank body (1), and a plurality of steam ejectors (21) are uniformly arranged on the gas injection pipe (2);

the heating device (4) is arranged at the bottom of the tank body (1), and the heating device (4) can heat the liquid water at the bottom of the tank body (1); spray set (5) include water inlet (51), water pump (52) and delivery port (53), water pump (52) both ends are connected to respectively through the pipeline water inlet (51) with delivery port (53), water inlet (51) are located jar body (1) bottom, delivery port (53) are located jar body (1) top, water pump (52) can with the liquid water of jar body (1) bottom by water inlet (51) carry extremely delivery port (53) spray downwards.

2. A steam heat accumulator according to claim 1, characterized in that: the water outlet (53) is provided with a spray head (531), and the spray head (531) can spray water in a mist shape.

3. A steam heat accumulator according to claim 1, characterized in that: the heating device (4) comprises a plurality of electric heating tubes (41), and the electric heating tubes (41) are fixed on the inner wall of the tank body (1).

4. A steam heat accumulator according to claim 2, characterized in that: the spray heads (531) are uniformly arranged at the top of the tank body (1).

5. A steam heat accumulator according to claim 1, characterized in that: the tank body (1) is provided with a water outlet (11), and the water outlet (11) is provided with a drain valve (111).

6. A steam heat accumulator according to claim 5, characterized in that: the water storage tank (6) is further included, and the water outlet (11) is connected to the water storage tank (6) through a pipeline.