CN220793962U

CN220793962U - Still kettle waste heat recovery device

Info

Publication number: CN220793962U
Application number: CN202322438215.9U
Authority: CN
Inventors: 梅威威; 黄晓强; 陈鑫填; 陈煜贤; 张建鹏
Original assignee: Guangzhou Xinrui New Energy Development Co ltd
Current assignee: Guangzhou Xinrui New Energy Development Co ltd
Priority date: 2023-09-08
Filing date: 2023-09-08
Publication date: 2024-04-16
Anticipated expiration: 2033-09-08

Abstract

The utility model discloses an autoclave waste heat recovery device, which comprises an autoclave body and a collecting device communicated with a steam evacuation valve of the autoclave body, wherein the other end of the collecting device is connected with a heat exchange device; the utility model has the advantages of efficiently recovering waste heat, simplifying design and installation, improving heat exchange efficiency, accurately controlling exhaust, monitoring temperature in real time and the like, and can realize energy conservation and environmental protection in industrial production by applying the technology.

Description

Still kettle waste heat recovery device

Technical Field

The utility model relates to the technical field of autoclave waste heat utilization devices, in particular to an autoclave waste heat recovery device.

Background

In the building material production industry, a large container device called an autoclave is often used, and the large container device is used for carrying out high-temperature and high-pressure treatment on building materials to be processed in the autoclave, so that the strength of a product is increased, and the moisture content in the product is reduced.

The heat source used in autoclaves is typically steam from a boiler or heat grid. In the production process, the steam in the produced kettle (old kettle) is poured into the kettle (new kettle) which is about to be produced, so that the discharge amount of the steam is reduced, and the heat loss is avoided. When the pressure of the new kettle is equal to the pressure of the old kettle, the steam in the old kettle can not be poured out, and operators can always discharge residual steam to the air at the moment, so that a large amount of energy sources are wasted, and the steam in the old kettle is only recovered to half.

Based on the background, the door of the device provides a set of corresponding waste heat utilization equipment, and waste heat of the autoclave can be fully utilized.

Disclosure of Invention

The utility model provides an autoclave waste heat recovery device for solving various problems.

In order to solve the technical problems, the technical scheme of the utility model is as follows: the steam kettle waste heat recovery device comprises a steam kettle body and a collecting device communicated with a steam evacuation valve of the steam kettle body, wherein the other end of the collecting device is connected with a heat exchange device, the collecting device comprises a collecting main pipe, a plurality of exhaust collecting ports are communicated with the upper end of the collecting main pipe and used for being connected with the steam evacuation valve of the steam kettle body, and a main pipe heat source outlet is communicated with the lower end of the collecting main pipe and used for being connected with the heat exchange device;

the heat exchange device comprises a tank body, wherein one end of the tank body is provided with a cold source inlet and a cold source outlet, a water inlet pipe bundle and a water return pipe bundle are arranged in the tank body, the water inlet pipe bundle is communicated with the cold source inlet, the water return pipe bundle is communicated with the cold source outlet, the other end of the tank body is provided with a collecting cavity, and the other ends of the water inlet pipe bundle and the water return pipe bundle are communicated with the collecting cavity to form a cold source loop;

the upper end of the tank body is provided with a heat source inlet communicated with the heat source outlet of the main pipe, the lower end of the tank body is provided with a heat source outlet for discharging steam, a plurality of steam baffles distributed at intervals are arranged in the tank body, and adjacent steam baffles are respectively fixed on the top surface and the bottom surface of the tank body to divide the space in the tank body into S-shaped channels for steam circulation.

Further, a cold source inlet and outlet baffle plate is arranged at the end part of the tank body and positioned between the cold source inlet and the cold source outlet.

Further, the upper end of the collecting cavity is communicated with a cold source exhaust port for exhausting redundant air in the water inlet tube bundle.

Further, the upper end of the tank body is communicated with a heat source exhaust port.

Further, valves are arranged on the cold source exhaust port and the heat source exhaust port.

Further, temperature sensors are arranged in the heat source inlet and the heat source outlet and are connected with external temperature display equipment for observing heat exchange efficiency between the cold source and the heat source.

Compared with the prior art, the utility model has the advantages that:

1. and waste heat is efficiently recovered: the waste heat recovery device of the still kettle can effectively recover hot gas discharged by the still kettle, and the waste heat is converted into reusable heat energy through the heat exchange device, so that the energy utilization efficiency is improved. This helps to reduce energy consumption and reduce environmental impact.

2. Simplified design and installation: the still kettle waste heat recovery device has a simple and compact structure and is easy to design and install. The collecting device is directly communicated with the steam evacuation valve of the autoclave body, the heat exchange device and the collecting device are convenient to connect, and complexity of design and installation is reduced.

3. Improving heat exchange efficiency: the heat exchange device in the still kettle waste heat recovery device adopts an S-shaped channel design, and the internal space of the tank body is divided into channels for vapor circulation through the vapor baffles distributed at intervals, so that the heat conduction path is increased, and the heat exchange efficiency is improved.

4. Precisely controlling exhaust: the valve is arranged on the exhaust port of the still kettle waste heat recovery device, so that the gas emission in the cold source and the heat source can be accurately controlled, and the balance and stable operation of the system can be maintained.

5. Monitoring the temperature in real time: temperature sensors are arranged in the heat source inlet and the heat source outlet and are connected with external temperature display equipment, so that the heat exchange efficiency between cold and heat sources can be observed in real time, and the system parameters can be adjusted in time, so that the optimal heat energy utilization effect can be maintained.

In summary, the utility model patent of the still kettle waste heat recovery device has the advantages of efficiently recovering waste heat, simplifying design and installation, improving heat exchange efficiency, precisely controlling exhaust, monitoring temperature in real time and the like. By applying the technology of the patent, energy conservation and environmental protection can be realized in industrial production.

Drawings

Fig. 1 is a schematic diagram of the front structure of the heat exchange device of the present utility model.

Fig. 2 is a schematic side view of a heat exchange device according to the present utility model.

Fig. 3 is a schematic top view of the heat exchange device of the present utility model.

FIG. 4 is a schematic view showing a sectional structure in the B-B direction of the heat exchange device of the present utility model.

FIG. 5 is a schematic view showing a sectional structure of the heat exchange device of the present utility model in the A-A direction.

Fig. 6 is a schematic front view of the collecting device of the present utility model.

Fig. 7 is a schematic side view of the collecting device of the present utility model.

Fig. 8 is a schematic top view of the collecting device of the present utility model.

As shown in the figure: 1. collecting a main pipe; 2. an exhaust gas collection port; 3. a main heat source outlet; 4. a tank body; 5. a cold source inlet; 6. a cold source outlet; 7. a water inlet tube bundle; 8. a backwater tube bundle; 9. a collection chamber; 10. a heat source inlet; 11. a heat source outlet; 12. a vapor baffle; 13. a cold source inlet and outlet baffle plate; 14. a cold source exhaust port; 15. and a heat source exhaust port.

Detailed Description

In the description of the present utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer", "center", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation configuration and operation, and thus are not to be construed as limiting the present utility model.

In the description of the present utility model, it should also be noted that, unless explicitly stated or limited otherwise, the terms "provided with," "mounted to," "connected to," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediary, or in communication between two elements. 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.

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

Referring to fig. 1 to 8, the waste heat recovery device of the autoclave comprises an autoclave body and a collecting device communicated with a steam evacuation valve of the autoclave body, wherein a heat exchange device is connected to the other end of the collecting device, the collecting device comprises a collecting main pipe 1, a plurality of exhaust collecting ports 2 are communicated with the upper end of the collecting main pipe 1 and are used for being connected with the steam evacuation valve of the autoclave body, and a main pipe heat source outlet 3 is communicated with the lower end of the collecting main pipe 1 and is used for being connected with the heat exchange device; the heat exchange device comprises a tank body 4, wherein one end of the tank body 4 is provided with a cold source inlet 5 and a cold source outlet 6, a water inlet pipe bundle 7 and a water return pipe bundle 8 are arranged in the tank body 4, the water inlet pipe bundle 7 is communicated with the cold source inlet 5, the water return pipe bundle 8 is communicated with the cold source outlet 6, the other end of the tank body 4 is provided with a collecting cavity 9, and the other ends of the water inlet pipe bundle 7 and the water return pipe bundle 8 are communicated with the collecting cavity 9 to form a cold source loop; the upper end of the tank body 4 is provided with a heat source inlet 10 communicated with the main heat source outlet 3, the lower end of the tank body 4 is provided with a heat source outlet 11 for discharging steam, a plurality of steam baffles 12 distributed at intervals are arranged in the tank body 4, adjacent steam baffles 12 are respectively fixed on the top surface and the bottom surface of the tank body 4, the internal space of the tank body 4 is divided into an S-shaped channel for circulating steam, and a cold source inlet and outlet baffle 13 is arranged at the end part of the tank body 4 and positioned between the cold source inlet 5 and the cold source outlet 6.

The upper end of the collecting cavity 9 is communicated with a cold source exhaust port 14 for exhausting redundant air in the water inlet tube bundle 7, the upper end of the tank body 4 is communicated with a heat source exhaust port 15, and valves are arranged on the cold source exhaust port 14 and the heat source exhaust port 15.

Temperature sensors are arranged in the heat source inlet 10 and the heat source outlet 11 and are connected with external temperature display equipment for observing heat exchange efficiency between cold and heat sources.

Specific embodiments of the utility model:

1. the collection device is communicated with the steam evacuation valve through the autoclave body: the collecting device, by communicating with the vapour evacuation valve, directs the vapour discharged to the collecting main 1 for subsequent recycling.

2. And a heat exchange device: the heat transfer of the steam in the collecting main pipe 1 is utilized to transfer heat to the water inlet pipe bundle 7 and the water return pipe bundle 8 through being connected with the collecting main pipe 1, so that a cold source loop is formed, and the utilization of the waste heat is realized.

3. Heat source inlet and heat source outlet: the upper end of the tank body 4 is provided with a heat source inlet 10 communicated with the main heat source outlet 3, the lower end is provided with a heat source outlet 11 for discharging steam, and the heat source flows in the tank body through the arrangement of the two inlets and the outlets, so that the heat exchange effect is enhanced.

4. Vapor baffle and S-channel: the inside of the tank body 4 is provided with a plurality of steam baffles 12 which are distributed at intervals, and through the arrangement of the baffles, the internal space of the tank body 4 is divided into S-shaped channels for steam circulation, so that the surface area for heat transfer is increased.

5. Cold source inlet and outlet baffle and exhaust port valve: a cold source inlet and outlet baffle 13 is arranged at the end part of the tank body 4 and positioned between the cold source inlet 5 and the cold source outlet 6, and through the arrangement of the baffle, the direct contact of a heat source and a cold source can be prevented, and meanwhile, valves are arranged on a cold source exhaust port 14 and a heat source exhaust port 15 so as to control the emission and flow of gas.

6. Temperature sensor and external temperature display device: temperature sensors are arranged in the heat source inlet 10 and the heat source outlet 11, and heat exchange efficiency between cold and heat sources can be monitored and displayed in real time through the sensors and connected external temperature display equipment, so that effective data support is provided.

The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.

Claims

1. Still kettle waste heat recovery device, including still kettle body and with the collection device who evaporates the steam exhaust valve intercommunication of still kettle body, the collection device other end is connected and is equipped with heat transfer device, its characterized in that: the collecting device comprises a collecting main pipe (1), wherein the upper end of the collecting main pipe (1) is communicated with a plurality of exhaust collecting ports (2) for being connected with a steam evacuation valve of the autoclave body, and the lower end of the collecting main pipe (1) is communicated with a main pipe heat source outlet (3) for being connected with a heat exchange device;

the heat exchange device comprises a tank body (4), wherein a cold source inlet (5) and a cold source outlet (6) are formed in one end of the tank body (4), a water inlet tube bundle (7) and a water return tube bundle (8) are arranged in the tank body (4), the water inlet tube bundle (7) is communicated with the cold source inlet (5), the water return tube bundle (8) is communicated with the cold source outlet (6), a collecting cavity (9) is formed in the other end of the interior of the tank body (4), and the water inlet tube bundle (7) and the water return tube bundle (8) are both communicated with the collecting cavity (9) to form a cold source loop;

the upper end of the tank body (4) is provided with a heat source inlet (10) communicated with the main heat source outlet (3), the lower end of the tank body (4) is provided with a heat source outlet (11) for discharging steam, a plurality of steam baffles (12) distributed at intervals are arranged in the tank body (4), and adjacent steam baffles (12) are respectively fixed on the top surface and the bottom surface of the tank body (4) to divide the internal space of the tank body (4) into S-shaped channels for steam circulation.

2. The still kettle waste heat recovery device according to claim 1, wherein: and a cold source inlet and outlet baffle (13) is arranged at the end part of the tank body (4) and positioned between the cold source inlet (5) and the cold source outlet (6).

3. The still kettle waste heat recovery device according to claim 1, wherein: the upper end of the collecting cavity (9) is communicated with a cold source exhaust port (14) for exhausting redundant air in the water inlet tube bundle (7).

4. The still kettle waste heat recovery device according to claim 3, wherein: the upper end of the tank body (4) is communicated with a heat source exhaust port (15).

5. The still kettle waste heat recovery device according to claim 4, wherein: valves are arranged on the cold source exhaust port (14) and the heat source exhaust port (15).

6. The still kettle waste heat recovery device according to claim 1, wherein: and temperature sensors are arranged in the heat source inlet (10) and the heat source outlet (11) and are connected with external temperature display equipment for observing heat exchange efficiency between cold and heat sources.