CN219300782U

CN219300782U - Flue gas waste heat recovery device

Info

Publication number: CN219300782U
Application number: CN202223001325.0U
Authority: CN
Inventors: 周文君
Original assignee: Jiangyin Shangshi Engineering Equipment Co ltd
Current assignee: Jiangyin Shangshi Engineering Equipment Co ltd
Priority date: 2022-11-11
Filing date: 2022-11-11
Publication date: 2023-07-04
Anticipated expiration: 2032-11-11

Abstract

The utility model discloses a flue gas waste heat recovery device, which comprises a water tank and fins, wherein a plurality of cooling liquid loop pipes are arranged in the water tank in a penetrating way, a plurality of liquid inlets and a plurality of liquid outlets are arranged on the fins, one ends of the cooling liquid loop pipes are correspondingly connected with the liquid outlets on the fins, one ends of the cooling liquid loop pipes, which are far away from the fins, are connected with a cooling liquid tank, a plurality of cooling liquid input pipes are also connected with the cooling liquid tank, and the other ends of the cooling liquid input pipes are correspondingly connected with the liquid inlets on the fins.

Description

Flue gas waste heat recovery device

Technical Field

The utility model relates to the technical field of boiler flue gas emission, in particular to a device for recovering waste heat of flue gas.

Background

Flue gas in the boiler industry is a main source of energy consumption waste, and flue gas discharged by the boiler accounts for more than 15% of the energy consumption, and especially the energy consumption in the industries of printing, drying, kiln and glass is carried and discharged by the gas. The flue gas waste heat recoverer exchanges heat between flue gas heat exhausted by the flue and other mediums, and converts the flue gas heat into usable heat, and the convertible heat mediums comprise water and gas, and can also be divided into water waste heat recovery and gas waste heat recovery according to different mediums.

At present, the equipment on the market is used for directly cooling the flue gas through a spraying device, and the flue gas waste heat treatment equipment can effectively cool the flue gas, but also can fully utilize the flue gas waste heat, and further has the defects of waste of water resources and increased cost.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model aims to provide a flue gas waste heat recovery device capable of fully utilizing the flue gas waste heat.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a flue gas waste heat recovery device, includes water pitcher and fin, the inside running through of water pitcher is provided with a plurality of coolant liquid return circuit pipe, be provided with a plurality of inlet and a plurality of liquid outlet on the fin, a plurality of the one end correspondence of coolant liquid return circuit pipe is connected a plurality of liquid outlet on the fin, a plurality of coolant liquid return circuit pipe is kept away from the one end connection coolant liquid jar of fin, still be connected with a plurality of coolant liquid input tube on the coolant liquid jar, a plurality of the other end correspondence of coolant liquid input tube is connected a plurality of inlet on the fin.

The utility model is further provided with: the top of the water tank is fixedly connected with a steam pipeline, and the other end of the steam pipeline is connected with a steam generator.

The utility model is further provided with: the lower part of the side wall of the water tank is connected with a water pump.

The utility model is further provided with: and the lower part of the side wall of the cooling liquid tank is connected with a cooling liquid conveying pump.

The utility model is further provided with: the upper surface of fin fixedly connected with motor support, motor support lower surface fixedly connected with motor.

The utility model is further provided with: the motor is characterized in that a plurality of fan blades are arranged at the lower part of an output shaft of the motor, and a plurality of soft brushes are arranged at the middle part of the output shaft of the motor.

The utility model is further provided with: still include the base, water pitcher, steam generator, water pump, coolant tank and coolant delivery pump all set up the upper surface at the base.

The utility model has the advantages that the flue gas is cooled by the circulation of the cooling liquid, after the cooling liquid absorbs the heat in the fins, in the process of conveying back to the cooling liquid tank, the cooling liquid pipeline passes through the water tank, the water in the water tank is heated to form steam, and the steam power generation device utilizes the steam to generate power, thereby having the beneficial effects of energy conservation and emission reduction.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of an explosive structure according to the present utility model;

FIG. 3 is a top view of the present utility model;

FIG. 4 is an enlarged view of area A of FIG. 2;

FIG. 5 is an enlarged view of area B of FIG. 2;

in the figure: 1. a water tank; 2. a cooling liquid loop pipe; 3. a cooling liquid input pipe; 4. a steam pipe; 5. a steam generator; 6. a water pump; 7. a cooling liquid tank; 8. a cooling liquid delivery pump; 9. a fin; 10. a motor bracket; 11. a motor; 12. a soft brush; 13. a fan blade; 14. and (5) a base.

Detailed Description

It should be noted that, without conflict, the embodiments and features of the embodiments in the present application may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

It is noted that all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs unless otherwise indicated.

In the present utility model, unless otherwise indicated, the terms "upper" and "lower" are used generally with respect to the directions shown in the drawings, or with respect to the vertical, vertical or gravitational directions; also, for ease of understanding and description, "left, right" is generally directed to the left, right as shown in the drawings; "inner and outer" refer to inner and outer relative to the outline of the components themselves, but the above-described orientation terms are not intended to limit the present utility model.

Referring to fig. 1-5, the present utility model provides the following technical solutions:

the flue gas waste heat recovery device comprises a water tank 1 and a fin 9, wherein a plurality of cooling liquid loop pipes 2 are arranged in the water tank 1 in a penetrating manner, a plurality of liquid inlets and a plurality of liquid outlets are formed in the fin 9, one end of each cooling liquid loop pipe 2 is correspondingly connected with a plurality of liquid outlets in the fin 9, one end, far away from the fin 9, of each cooling liquid loop pipe 2 is connected with a cooling liquid tank 7, a plurality of cooling liquid input pipes 3 are further connected to the cooling liquid tanks 7, the other ends of the plurality of cooling liquid input pipes 3 are correspondingly connected with a plurality of liquid inlets in the fin 9, cooling liquid enters into inner pipelines of the fin 9 from the liquid inlets through the cooling liquid input pipes 3 from the cooling liquid tanks 7, takes away heat in the fin 9, and returns to the cooling liquid tanks 7 from the liquid outlets through the cooling liquid loop pipes 2; the difference is that the coolant loop pipe 2 passes through the inside of the water tank 1, evaporating water by its own temperature.

The top of the water tank 1 is fixedly connected with a steam pipeline 4, and the other end of the steam pipeline 4 is connected with a steam generator 5 for steam power generation.

The lower part of the side wall of the water tank 1 is connected with a water pump 6 for timely supplementing the water evaporated in the water tank 1.

The lower part of the side wall of the cooling liquid tank 7 is connected with a cooling liquid delivery pump 8 for pumping cooling liquid circulation.

The upper surface of the fin 9 is fixedly connected with a motor bracket 10, and the lower surface of the motor bracket 10 is fixedly connected with a motor 11.

The lower part of the output shaft of the motor 11 is provided with a plurality of fan blades 13, the middle part of the output shaft of the motor 11 is provided with a plurality of soft brush 12, the fan blades 13 are used for cleaning dust on the surfaces of the fins 9, and the soft brush 12 is used for cleaning dust in the fins 9.

Still include base 14, water pitcher 1, steam generator 5, water pump 6, coolant tank 7 and coolant delivery pump 8 all set up in the upper surface of base 14.

The working principle of the concentration device capable of automatically controlling the concentration degree of the solution provided by the utility model is as follows:

the working temperature of the cooling liquid used in the device is above 100 ℃; the fins 9 are arranged on the inner wall of the flue, flue gas can pass through the fins 9 when discharged, and the fins 9 can absorb redundant heat of the flue gas; under the action of a cooling liquid conveying pump 8, the cooling liquid in the cooling liquid tank 7 is input into the fins 9 through the cooling liquid input pipe 3, heat absorbed by the fins 9 is taken away and flows out through the cooling liquid loop pipe 2, the cooling liquid loop pipe 2 penetrates through the water tank 1, and water in the water tank 1 is gradually heated up until boiling under the action of the cooling liquid in the cooling liquid loop pipe 2 in a high-temperature state; the steam generated after boiling enters a steam generator 5 through a steam pipeline 4, and the electric energy generated by the steam generator 5 under the action can be used by the device or a boiler; after a period of use, the water in the water tank 1 is reduced due to evaporation, and the water pump 6 can fill water into the water tank 1 so as to ensure that the water in the water tank 1 is not less than the normal water level.

The motor bracket 10 is fixedly connected with directly over the fins 9 and is used for fixing the motor 11, dirt accumulation can be generated in the gaps of the fins 9 in the running process of the device, the motor 11 can drive the fan blades 13 and the soft brush 12 to clean the gaps of the fins 9, and the influence of dust accumulation on the heat absorption performance of the fins 9 is avoided.

It will be apparent that the embodiments described above are merely some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the present application described herein may be implemented in sequences other than those illustrated or described herein.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims

1. A flue gas waste heat recovery device, characterized in that: including water pitcher (1) and fin (9), the inside running through of water pitcher (1) is provided with a plurality of coolant liquid return pipe (2), be provided with a plurality of inlet and a plurality of liquid outlet on fin (9), a plurality of the one end of coolant liquid return pipe (2) corresponds a plurality of liquid outlet on connecting fin (9), a plurality of coolant liquid return pipe (2) keep away from one end connection coolant liquid jar (7) of fin (9), still be connected with a plurality of coolant liquid input tube (3) on coolant liquid jar (7), a plurality of the other end of coolant liquid input tube (3) corresponds a plurality of inlet on connecting fin (9).

2. A flue gas waste heat recovery device according to claim 1, wherein: the top of the water tank (1) is fixedly connected with a steam pipeline (4), and the other end of the steam pipeline (4) is connected with a steam generator (5).

3. A flue gas waste heat recovery device according to claim 2, wherein: the lower part of the side wall of the water tank (1) is connected with a water pump (6).

4. A flue gas waste heat recovery device according to claim 3, wherein: the lower part of the side wall of the cooling liquid tank (7) is connected with a cooling liquid delivery pump (8).

5. A flue gas waste heat recovery device according to claim 4, wherein: the upper surface of fin (9) fixedly connected with motor support (10), motor support (10) lower surface fixedly connected with motor (11).

6. A flue gas waste heat recovery device according to claim 5, wherein: the motor is characterized in that a plurality of fan blades (13) are arranged at the lower part of an output shaft of the motor (11), and a plurality of soft brushes (12) are arranged at the middle part of the output shaft of the motor (11).

7. A flue gas waste heat recovery device according to claim 6, wherein: still include base (14), water pitcher (1), steam generator (5), water pump (6), coolant tank (7) and coolant delivery pump (8) all set up the upper surface at base (14).