CN217377924U - Steam mixing type heating tank - Google Patents

Abstract

The utility model discloses a steam mixing type heating tank, which comprises a tank body, wherein the top of the tank body is provided with an exhaust port, the bottom of the tank body is provided with a continuous sewage discharge port, and the side wall of the upper half part of the tank body is respectively provided with a steam inlet, a water return port and a water outlet; a spray pipe is arranged in the tank body, and a plurality of water nozzles are arranged on the spray pipe; a steam pipe is also arranged in the tank body, and a steam nozzle is arranged on the steam pipe; an overflow partition plate is arranged on one side, close to the water outlet, in the tank body, the upper end of the overflow partition plate is higher than the water outlet, and the tank body is divided into a left cavity and a right cavity by the overflow partition plate; the bottom of the left cavity of the tank body is provided with a regular sewage draining outlet. The utility model has the advantages that the waste heat recovery of the steam with large discontinuity, flow and pressure fluctuation can be realized, and the hot water with the temperature of 80-95 ℃ can be continuously output; the utility model is mainly used for recovering the steam waste heat in the steel slag hot stewing treatment process, and can also be used for other processes needing to recover the steam waste heat.

Description

Steam mixing type heating tank

Technical Field

The utility model belongs to the waste heat recovery field relates to a steam mixing formula heating jar.

Background

The steel slag hot-braising treatment process is an advantageous technology for treating steel slag in the current technical level of the steel industry. In the process, a large amount of cold water is sprayed into a closed container filled with hot steel slag, and the molten steel slag is cooled. The steel slag hot stewing period generally reaches more than 2 hours, wherein in the early stage of hot stewing, a large amount of dust-containing steam is generated by spraying water at the high temperature state of the steel slag. The temperature of the steel slag is gradually reduced in the middle and later stages of the thermal braising, the steam yield is gradually reduced, and the pressure in the tank is gradually reduced to the normal pressure.

For steam generated in the process of thermal stewing, high-altitude diffusion is generally carried out at present. The main reasons for the difficulty in recycling are the following 2 points:

1. in the steel slag hot stewing period, steam generation is discontinuous, the fluctuation of steam generation amount is large, and the fluctuation of steam pressure is large.

2. The steam carries a great deal of dust and non-condensable gas when being discharged or conveyed, so that the quality of the steam is poor.

A large amount of dust-containing steam is discharged to the air, so that a large amount of energy is wasted, the surrounding environment is polluted by heat and dust, surrounding equipment and steel structures are corroded, and the service life of the equipment and the steel structure is influenced.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art, and provides a steam mixing type heating tank which solves the problems that the hot stewing steam in the prior art is not recycled and pollutes the surrounding environment.

In order to solve the technical problem, the utility model discloses a following technical scheme realizes:

a steam mixing type heating tank comprises a tank body, wherein the top of the tank body is provided with an exhaust port, the bottom of the tank body is provided with a continuous sewage discharge port, and the side wall of the upper half part of the tank body is respectively provided with a steam inlet, a water return port and a water outlet;

at least one spray pipe connected with the water return port is arranged in the tank body, the spray pipe is positioned at the upper part of the tank body, and a plurality of water nozzles are arranged on the spray pipe;

the steam tank is characterized in that at least one steam pipe communicated with a steam inlet is arranged in the tank body, and a plurality of steam nozzles are arranged on the steam pipe;

an overflow partition plate is arranged on one side, close to the water outlet, in the tank body, the upper end of the overflow partition plate is higher than the water outlet, the tank body is divided into a left cavity and a right cavity by the overflow partition plate, and the two cavities are combined when being higher than the overflow partition plate; and a regular sewage draining outlet is arranged at the bottom of the left cavity of the tank body.

The utility model discloses still include other technical characterstic as follows:

the steam pipe comprises a vertical pipe and a horizontal pipe communicated with the vertical pipe, the horizontal pipe is positioned at the bottom of the tank body 2, and the steam nozzles are installed on the top surface of the horizontal pipe at equal intervals.

And a water delivery pipeline communicated with the water outlet is provided with a filter screen.

And a pressure sensor is arranged in the tank body.

A liquid level meter is arranged in the tank body.

A temperature sensor is arranged in the tank body.

Compared with the prior art, the utility model, following technological effect has:

(I) the utility model discloses a steam mixing formula heating jar can realize the waste heat recovery of the big steam of discontinuity, flow and pressure fluctuation to continuous output 80 ~ 95 ℃ of hot water.

(II) the steam mixing type heating tank of the utility model is mainly used for recovering the steam waste heat in the steel slag hot stewing treatment process, and can also be used for other processes needing to recover the steam waste heat.

Drawings

Fig. 1 is a schematic view of the overall structure of the steam-mixed heating tank of the present invention.

The meaning of the individual reference symbols in the figures is: the device comprises a gas exhaust port 1, a tank body 2, a water return port 3, a spray pipe 4, a steam inlet 5, a water nozzle 6, a steam pipe 7, a steam nozzle 8, a continuous sewage discharge port 9, a periodic sewage discharge port 10, an overflow partition plate 11 and a water outlet 12.

The following examples are provided to explain the present invention in further detail.

Detailed Description

It should be noted that all the components of the present invention are known in the art, and the components are not specifically described.

The following embodiments of the present invention are given, and it should be noted that the present invention is not limited to the following embodiments, and all the equivalent transformations made on the basis of the technical solution of the present application all fall into the protection scope of the present invention.

Example (b):

the steam mixing type heating tank provided by the embodiment comprises a tank body 2, wherein the top of the tank body is provided with an exhaust port 1, the bottom of the tank body is provided with a continuous sewage draining outlet 9, and the side wall of the upper half part of the tank body is respectively provided with a steam inlet 5, a water return port 3 and a water outlet 12.

At least one spray pipe 4 connected with the water return port 3 is arranged in the tank body 2, the spray pipe 4 is positioned at the upper part of the tank body 2, and a plurality of water nozzles 6 are arranged on the spray pipe 4;

the tank body 2 is also internally provided with at least one steam pipe 7 communicated with the steam inlet 5, and the steam pipe 7 is provided with a plurality of steam nozzles 8;

an overflow partition plate 11 is arranged on one side, close to the water outlet 12, in the tank body 2, the upper end of the overflow partition plate 11 is higher than the water outlet 12, the tank body 2 is divided into a left cavity and a right cavity by the overflow partition plate 11, and the two cavities are combined when being higher than the overflow partition plate 11; the bottom of the left cavity of the tank body 2 is provided with a regular sewage draining outlet 10.

The utility model discloses when specifically using, be equipped with hot water in jar body 2, its liquid level height is about jar body total height 50 ~ 70%. Steam is introduced from the steam inlet 5, is delivered into the tank through the steam pipe 7, is injected into the tank 2 from the steam nozzle 8, is sufficiently mixed with hot water in the tank 2, and heats the hot water in the tank. When the hot water level is higher than the overflow partition 11, the hot water overflows into the cavity between the overflow partition 11 and the tank body 2 and is conveyed to the user side from the water outlet 12 for indirect heat exchange. The backwater after heat exchange is connected from the backwater port 3 and sprayed into the tank through the spray pipe 4 and the water nozzle 6.

In the above technical scheme, the continuous sewage draining outlet 9 at the bottom of the tank body 2 is used for continuous sewage draining of the tank body. The impurities generated after the dust-containing steam is mixed with the hot water in the tank are precipitated to the bottom of the tank and are discharged together with the sewage.

The periodic sewage discharge port 10 at the bottom of the cavity (i.e. the left cavity) between the overflow partition 11 and the tank body 2 is used for periodic sewage discharge. Impurities in the hot water overflowing into the cavity are precipitated to the bottom and are discharged through periodic pollution discharge.

And the exhaust port 1 at the top of the tank body is used for opening the exhaust port to exhaust the non-condensable gas accumulated in the tank when the pressure in the tank exceeds a set value.

Preferably, the steam pipe 7 comprises a vertical pipe and a horizontal pipe communicated with the vertical pipe, the horizontal pipe is positioned at the bottom of the tank body 2, the steam nozzles 8 are arranged on the top surface of the horizontal pipe at equal intervals, and the design enables the steam sprayed by the steam nozzles 8 to be vertically and upwards mixed with the hot water, so that the mixing is more uniform, and the hot water is heated more quickly and uniformly.

As a preferred scheme, a water pipe communicated with the water outlet 12 is provided with a filter screen for filtering the outlet water.

As a preferred scheme, install pressure sensor in jar body 2, can realize the automatic start-stop of gas vent through automatic control.

As a preferred scheme, a liquid level meter and a temperature sensor are installed in the tank body 2, the control of the liquid level and the control of the temperature of hot water in the tank body 2 can be realized through automatic control, and the continuous output of the hot water is ensured under the condition that steam is interrupted, so that the continuity of waste heat recycling is ensured.

The utility model has the advantages that the waste heat recovery of steam with large discontinuity, flow and pressure fluctuation can be realized, and hot water with the temperature of 80-95 ℃ can be continuously output; the utility model is mainly used for recovering the steam waste heat in the steel slag hot stewing treatment process, and can also be used for other processes needing to recover the steam waste heat.

Claims (6)

1. A steam mixing type heating tank comprises a tank body (2), wherein the top of the tank body is provided with an exhaust port (1), and the bottom of the tank body is provided with a continuous sewage discharge port (9), and is characterized in that the side wall of the upper half part of the tank body (2) is respectively provided with a steam inlet (5), a water return port (3) and a water outlet (12);

at least one spray pipe (4) connected with the water return port (3) is arranged in the tank body (2), the spray pipe (4) is positioned at the upper part of the tank body (2), and a plurality of water nozzles (6) are arranged on the spray pipe (4);

at least one steam pipe (7) communicated with the steam inlet (5) is arranged in the tank body (2), and a plurality of steam nozzles (8) are arranged on the steam pipe (7);

an overflow partition plate (11) is arranged on one side, close to the water outlet (12), in the tank body (2), the upper end of the overflow partition plate (11) is higher than the water outlet (12), the tank body (2) is divided into a left cavity and a right cavity by the overflow partition plate (11), and the two cavities are combined when being higher than the overflow partition plate (11); a regular sewage draining outlet (10) is arranged at the bottom of the left cavity of the tank body (2).

2. A steam hybrid heating tank according to claim 1, characterized in that the steam pipe (7) comprises a vertical pipe and a horizontal pipe communicating therewith, the horizontal pipe being located at the bottom of the tank body (2), the steam nozzles (8) being mounted at equal intervals on the top surface of the horizontal pipe.

3. The steam-mixing heating tank as claimed in claim 1, wherein a filter screen is installed on the water pipe connected to the water outlet (12).

4. A steam hybrid heating tank according to claim 1, characterized in that a pressure sensor is mounted in the tank (2).

5. A steam hybrid heating tank according to claim 1, characterized in that a level gauge is mounted in the tank (2).

6. A steam hybrid heating tank according to claim 1, characterized in that a temperature sensor is mounted in the tank (2).

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