CN219300720U

CN219300720U - Boiler steam recycling device

Info

Publication number: CN219300720U
Application number: CN202320379306.7U
Authority: CN
Inventors: 张咏; 梁卫平; 张朝阳
Original assignee: GUANGZHOU BOLE BOILER CO LTD
Current assignee: GUANGZHOU BOLE BOILER CO LTD
Priority date: 2023-03-02
Filing date: 2023-03-02
Publication date: 2023-07-04
Anticipated expiration: 2033-03-02

Abstract

The utility model discloses a boiler steam recycling device which comprises a steam energy storage tank, a steam spray pipe and a connecting pipeline, wherein a water inlet and a steam outlet are formed in the steam energy storage tank, the water inlet is used for injecting soft water into the steam energy storage tank, the steam spray pipe is immersed in the soft water in the steam energy storage tank, one end of the connecting pipeline is communicated with the steam spray pipe, the other end of the connecting pipeline is hermetically arranged in the steam energy storage tank in a penetrating mode and is communicated with an output steam pipeline of a boiler, a steam spraying part is arranged on the steam spray pipe and is arranged in the soft water, the steam spraying part is used for spraying boiler steam entering the steam spray pipe into the soft water to boil the soft water, and steam generated by boiling of the soft water is discharged from the steam outlet.

Description

Boiler steam recycling device

Technical Field

The utility model relates to the technical field of steam recovery of boilers, in particular to a boiler steam recovery and utilization device.

Background

At present, a great deal of steam heat energy can be generated in the using process of the boiler, and the steam heat energy can be directly converted into heat energy required by industrial production and people's life. In the prior art, the tubular heat exchanger is mainly used for heat exchange and recycling of steam generated by the boiler, namely, the tubular heat exchanger is used for tubular heat exchange and recycling with the outer wall of a steam pipeline outputting the steam of the boiler. However, the heat exchange mode of the tube type only passes through the heat exchange between the outer wall and the inner wall of the tube, or the heat exchange between the outer wall of the tube and the outer wall of the tube, so that the heat exchange efficiency of the boiler steam is low and the recovery efficiency of the boiler steam resource is low due to the adoption of the heat exchange mode of the tube type.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model aims to provide a boiler steam recycling device which can effectively improve the heat exchange efficiency of boiler steam and the recycling efficiency of boiler steam resources.

The utility model adopts the following technical scheme:

the utility model provides a boiler steam recycle device, includes steam energy storage tank, steam spray pipe and connecting tube, be provided with water inlet and steam outlet on the steam energy storage tank, the water inlet be used for to pour into soft water into in the steam energy storage tank, the steam spray pipe is soaked in the soft water in the steam energy storage tank, connecting tube's one end with steam spray pipe intercommunication, the other end seal wear to locate the steam energy storage tank and with the output steam pipeline intercommunication of boiler, be provided with the steam spraying part on the steam spray pipe, the steam spraying part is located in the soft water, the steam spraying part is used for making get into boiler steam in the steam spray pipe is spouted in the soft water and is made the soft water boiling, the steam that the boiling produced is followed the steam outlet discharge.

Further, the steam spray pipe is arranged in the steam energy storage tank along the length direction of the steam energy storage tank, and the steam spraying part comprises a plurality of steam spraying areas arranged along the length direction of the steam spray pipe.

Further, the intervals between every two adjacent steam spraying areas are uniformly arranged.

Further, the steam spraying area comprises a plurality of rows of steam spraying holes, and the steam spraying holes in each row are uniformly arranged at intervals.

Further, the intervals between two adjacent steam spraying holes in each row of steam spraying holes are uniformly arranged.

Further, a water level gauge is arranged on the steam energy storage tank and used for detecting the liquid level in the steam energy storage tank.

Further, a pressure detector is arranged on the steam energy storage tank and used for detecting the pressure in the steam energy storage tank.

Further, a first control valve positioned outside the steam energy storage tank is further arranged on the connecting pipeline and used for controlling the on-off of the boiler steam entering the steam spray pipe.

Further, the steam outlet is communicated with a steam conveying pipeline, and the steam conveying pipeline is used for conveying steam to user equipment.

Further, a second control valve is arranged at the position where the steam conveying pipeline is connected with the steam outlet and used for controlling the on-off of steam entering the steam conveying pipeline.

Compared with the prior art, the utility model has the beneficial effects that:

1. when the heat exchange device is used, qualified soft water is injected into the steam energy storage tank, after the soft water reaches a set or regulated water level in the steam energy storage tank, high-pressure and high-temperature boiler steam is introduced into the soft water in the steam energy storage tank, namely, the boiler steam is sprayed into the soft water in the steam energy storage tank through the steam spraying part immersed in the soft water in the steam energy storage tank for heat exchange, after heat exchange, the pressure of the boiler steam in the steam energy storage tank is reduced, the soft water in the steam energy storage tank is boiled, and steam generated by boiling is discharged from a steam outlet for steam utilization equipment.

2. Because the boiler steam is supplied to the steam using equipment continuously after heat exchange is carried out on soft water in the steam energy storage tank, namely in a state that the soft water in the steam energy storage tank boils to generate steam, the steam energy storage tank still can supply steam to the steam using equipment in time within the short stopping time of the boiler (within a short time of stopping the injection of the soft water into the steam energy storage tank into the boiler steam), the effect of stably supplying the steam is achieved, and the pressure of the steam generated after heat exchange is lower than the pressure output from the output steam pipeline of the boiler, so that the steam using equipment needing low-pressure steam is satisfied, and the adverse effect of high-pressure steam on the steam using equipment is avoided.

Drawings

FIG. 1 is a schematic diagram of a boiler steam recycling apparatus according to the present utility model;

FIG. 2 is a schematic view of the structure of the interior of the steam accumulator of the present utility model;

FIG. 3 is a schematic view of a steam nozzle according to the present utility model;

fig. 4 is an enlarged schematic view of the structure at a in fig. 3.

10, a steam energy storage tank; 101. a water inlet; 102. a steam outlet; 20. a steam nozzle; 201. a steam spraying area; 3011. a steam spraying hole; 30. a connecting pipe; 301. a steam inlet; 302. a first control valve; 40. an output steam pipe; 50. a steam delivery conduit; 501. a second control valve; 60. a water level gauge.

Detailed Description

The present utility model will be described with priority in the following description with reference to the drawings and the specific embodiments, and it should be noted that, on the premise of no conflict, new embodiments may be formed by any combination of the embodiments or technical features described below.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "horizontal," "vertical," "top," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; either directly, indirectly, through intermediaries, or in communication with each other. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Embodiments are described below:

referring to fig. 1-4, the present utility model shows a boiler steam recycling device, which comprises a steam energy storage tank 10, a steam spray pipe 20 and a connecting pipe 30, wherein the steam energy storage tank 10 is provided with a water inlet 101 and a steam outlet 102, the water inlet 101 is used for injecting soft water (water containing no or less soluble calcium and magnesium compounds, the soft water is not easy to generate soap scum with soap) into the steam energy storage tank 10, the steam spray pipe 20 is immersed in the soft water in the steam energy storage tank 10, one end of the connecting pipe 30 is communicated with the steam spray pipe 20, the other end of the steam spray pipe 20 is hermetically arranged in the steam energy storage tank 10 and communicated with an output steam pipe 40 of a boiler, the steam spray pipe 20 is provided with a steam spraying part, the steam spraying part is arranged in the soft water, the steam spraying part is used for spraying boiler steam entering the steam spray pipe 20 into the soft water to boil the soft water, and the steam generated by the soft water boiling is discharged from the steam outlet 102 for a steam device. It can be understood that when the utility model is used, qualified soft water is firstly injected into the steam energy storage tank 10, after the soft water reaches a set or specified water level in the steam energy storage tank 10, high-pressure and high-temperature boiler steam is introduced into the soft water in the steam energy storage tank 10, namely, the boiler steam is sprayed into the soft water in the steam energy storage tank 10 through the steam spraying part immersed in the soft water in the steam energy storage tank 10 for heat exchange, after the heat exchange, the pressure of the boiler steam in the soft water in the steam energy storage tank 10 is reduced, the soft water in the steam energy storage tank 10 boils, and the steam generated by boiling is discharged from the steam outlet 102 for steam using equipment.

It should be noted that, since the steam generated by boiling of the soft water in the steam storage tank 10 is continuously supplied to the steam using device after the heat exchange with the soft water in the steam storage tank 10, that is, in a state where the soft water in the steam storage tank 10 is boiled to generate steam, of course, the surplus energy is stored in the steam storage tank 10, the steam storage tank 10 can still supply the steam to the steam using device in time during the short stopping time of the boiler (the short stopping time of spraying the soft water into the steam storage tank 10) to play a role of stably supplying the steam, and the pressure of the steam generated after the heat exchange is lower than the pressure output from the output steam pipe 40 of the boiler, thereby satisfying the use of the steam using device requiring the low pressure steam and avoiding the bad influence of the high pressure steam on the steam using device.

It should be noted that the end of the connecting pipe 30 facing away from the steam nozzle 20 is a steam inlet 301, that is, the connecting pipe 30 communicates with the output steam pipe 40 of the boiler through the steam inlet 301. As shown in fig. 2, the connection pipe 30 may be provided in plurality, and the steam inlet 301 is provided in plurality, so that the flow rate of the boiler steam into the soft water can be increased.

In this embodiment, the steam spraying pipe 20 is disposed in the steam energy storage tank 10 along the length direction of the steam energy storage tank 10, and the steam spraying part includes a plurality of steam spraying areas 201 disposed along the length direction of the steam spraying pipe 20, so that the contact area between the steam spraying part and soft water can be increased, the flow rate of the steam sprayed into the boiler steam into the soft water in the steam energy storage tank 10 by the steam spraying part is improved, and the heat exchange efficiency is further improved. In addition, the intervals between each two adjacent steam spraying areas 201 are uniformly arranged, so that the steam spraying parts can uniformly spray boiler steam into soft water in the steam energy storage tank 10, and the heat exchange effect is uniform.

In this embodiment, each steam spraying area 201 includes a plurality of rows of steam spraying holes 3011, the setting direction of each row of steam spraying holes 3011 is the same as the length direction of the steam spraying pipe 20, the steam spraying holes 3011 of each row are uniformly spaced, and the intervals between two adjacent steam spraying holes 3011 in each row of steam spraying holes 3011 are uniformly spaced. Therefore, boiler steam is uniformly sprayed into the soft water through the steam spraying holes 3011 to directly exchange heat with the soft water, so that the heat exchange effect is improved.

Note that, the steam injection holes 3011 in the present embodiment have a circular hole structure, and of course, in other embodiments, the steam injection holes 3011 may have a square structure or an elliptical structure, which is not limited herein.

Of course, in order to facilitate detection of the level of the liquid in the steam accumulator tank 10, a water gauge 60 is provided on the steam accumulator tank 10 to detect the level of the soft water in the steam accumulator tank 10 by the water gauge 60. Since the pressure of the boiler steam is decreased and the pressure in the steam storage tank 10 is increased after the boiler steam enters the soft water in the steam storage tank 10 to exchange heat with the soft water, in order to be able to know the pressure in the steam storage tank 10 in real time, a pressure detector is provided on the steam storage tank 10 to detect the pressure in the steam storage tank 10 by the pressure detector.

In this embodiment, the connection pipe 30 is further provided with a first control valve 302 located outside the steam storage tank 10, and the first control valve 302 is used for controlling on-off of the boiler steam entering the steam nozzle 20. That is, it can be understood that the valve of the first control valve 302 is in a closed state during the process of injecting soft water into the steam accumulator tank 10, and the valve of the first control valve 302 is opened when the level of soft water in the steam accumulator tank 10 reaches a prescribed level.

In the present embodiment, the steam outlet 102 is connected to a steam delivery pipe 50, and the steam delivery pipe 50 is used for delivering steam to a steam using device. That is, it can be understood that the steam generated after the heat exchange in the steam accumulator tank 10 can be conveniently transferred to the steam using device through the steam transfer pipe 50. Of course, a second control valve 501 is provided at a position where the steam delivery pipe 50 is connected to the steam outlet 102, for controlling on-off of steam into the steam delivery pipe 50. When it is not necessary to send the steam generated after the heat exchange to the steam using device, the valve of the second control valve 501 may be closed.

Of course, as shown in fig. 2, a plurality of steam outlets 102 may be provided, and the corresponding steam delivery pipes 50 have a plurality of steam delivery pipes, which are not limited herein, so as to improve the output efficiency of steam.

It should be noted that the first control valve 302 and the second control valve 501 may be manually controlled or electrically controlled, and are not limited herein, and the inventor may select and change the specific situation appropriately.

The above embodiments are only preferred embodiments of the present utility model, and the scope of the present utility model is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present utility model are intended to be within the scope of the present utility model as claimed.

Claims

1. The utility model provides a boiler steam recycle device, its characterized in that includes steam energy storage tank (10), steam spray tube (20) and connecting tube (30), be provided with water inlet (101) and steam outlet (102) on steam energy storage tank (10), water inlet (101) are used for to pour into soft water into in steam energy storage tank (10), steam spray tube (20) dip in soft water in steam energy storage tank (10), one end of connecting tube (30) with steam spray tube (20) intercommunication, the other end seal wear to locate steam energy storage tank (10) and with output steam pipe (40) intercommunication of boiler, be provided with the steam injection portion on steam spray tube (20), the steam injection portion is located in the soft water, the steam injection portion is used for making get into boiler steam in steam spray tube (20) spouts in soft water boiling, soft water boiling produces steam follow steam outlet (102) is discharged.

2. The boiler steam recycling device according to claim 1, wherein the steam spray pipe (20) is arranged in the steam energy storage tank (10) along the length direction of the steam energy storage tank (10), and the steam spray part comprises a plurality of steam spray areas (201) arranged along the length direction of the steam spray pipe (20).

3. A boiler steam recycling apparatus according to claim 2, characterized in that the intervals between each two adjacent steam-jet zones (201) are arranged uniformly.

4. A boiler steam recycling apparatus according to claim 3, characterized in that the steam spraying area (201) comprises a plurality of rows of steam spraying holes (3011), and the steam spraying holes (3011) of each row are uniformly arranged at intervals.

5. A boiler steam recycling apparatus according to claim 4, wherein the intervals between two adjacent steam injection holes (3011) in each row of the steam injection holes (3011) are uniformly set.

6. A boiler steam recycling device according to claim 1, characterized in that the steam accumulator tank (10) is provided with a water level gauge (60) for detecting the liquid level in the steam accumulator tank (10).

7. A boiler steam recycling apparatus according to claim 1, characterized in that the steam accumulator tank (10) is provided with a pressure detector for detecting the pressure in the steam accumulator tank (10).

8. The boiler steam recycling device according to claim 1, wherein the connecting pipeline (30) is further provided with a first control valve (302) positioned outside the steam energy storage tank (10) for controlling on-off of boiler steam entering the steam spray pipe (20).

9. A boiler steam recycling apparatus according to claim 1, characterized in that the steam outlet (102) is connected to a steam delivery pipe (50) for delivering steam to a steam consuming device.

10. A boiler steam recycling apparatus according to claim 9, characterized in that a second control valve (501) is arranged at the connection position of the steam conveying pipeline (50) and the steam outlet (102) for controlling the on-off of steam entering the steam conveying pipeline (50).