Multipurpose waste heat recovery and storage device

Abstract

The invention discloses a multipurpose waste heat recovery and storage device which comprises a spray tower, a coke car is arranged in the spray tower, a spray pipe is arranged above the coke car, the spray pipe is fixedly connected in the spray tower, the spray pipe is connected with a spray water tank through a pipeline, a gas collection bin is arranged above the spray tower and fixedly connected above the spray tower, and the spray water tank is connected with the spray water tank through a pipeline. One side of the spray tower is provided with a water bath dust removal bin, an energy storage pool, a plate heat exchanger, a power generator, an electric dust removal part and a diffusion pipeline, the equipment can recover heat and purify harmful gas, water resources are recycled while the heat is recovered, loss of the water resources in the equipment is reduced, the recovered heat is converted into electric energy, and the energy is saved. And the consumption of electric energy in the equipment is reduced.

Description

Technical Field

[0001] The invention relates to a device, in particular to a multi-purpose waste heat recovery and storage device. Background Art

[0002] At present, due to the nature of coke products and other reasons, many coking plants still use wet quenching as the main coke quenching method. Taking a 5.5m ramming coke oven as an example, the height of its quenching tower reaches 68m, plus the supporting dehydration table, sedimentation tank, clean water tank, etc., the entire quenching system is very large in terms of both floor space and equipment investment.

[0003] The existing heat recovery device recovers heat from the gas during wet quenching, but wet quenching also produces toxic gases such as carbon monoxide, which need to be treated before being discharged from the equipment. Summary of the invention

[0004] The object of the present invention is to provide a multi-purpose waste heat recovery and storage device to solve the problems raised in the above background technology.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] A multi-purpose waste heat recovery and storage device, a coke car is arranged in a spray tower, a spray pipe is arranged above the coke car, the spray pipe is fixedly connected in the spray tower, the spray pipe is connected to a spray water pool through a pipeline, a gas collecting bin is arranged above the spray tower, the gas collecting bin is fixedly connected above the spray tower, and a water bath dust removal bin, an energy storage tank, a plate heat exchanger, a generator, an electrostatic precipitator, and a discharge pipeline are arranged on one side of the spray tower.

[0007] As a further scheme of the present invention: a first fan is provided on one side of the gas collecting bin, the first fan is communicated with the gas collecting bin, the output end of the first fan is detachably connected to the gas supply pipeline through a flange, the gas supply pipeline is communicated with the water bath dust removal bin, condensate is provided in the water bath dust removal bin, the connecting port of the gas supply pipeline and the water bath dust removal bin is below the condensate water level, one side of the water bath dust removal bin is connected to the energy storage tank through a pipeline, a plate heat exchanger is provided on one side of the energy storage tank, the energy storage tank is connected to one end of the plate heat exchanger through a pipeline, both ends of one side of the plate heat exchanger are connected to the generator, and one side of the plate heat exchanger is connected to the water bath dust removal bin through a pipeline.

[0008] As a further solution of the present invention: the energy storage tank is arranged underground and has a heat-insulating structure. The energy storage tank is connected to the spray water tank through a pipeline. The liquid in the energy storage tank can only enter the spray water tank in one direction through a water pump.

[0009] As a further solution of the present invention: a gas pipeline is provided in the water bath dust removal chamber, the mouth of the gas pipeline is located above the condensed water surface, one end of the electrostatic precipitator is connected to the gas pipeline, a second fan is provided on one side of the electrostatic precipitator, the second fan is communicated with the electrostatic precipitator, and the output end of the second fan is communicated with the discharge pipeline.

[0010] As a further solution of the present invention: a condenser and a heater are provided in the discharge pipeline, the electrostatic precipitator uses a wet electrostatic precipitator, the generator uses a temperature difference generator, and the generator is electrically connected to the discharge pipeline.

[0011] Compared with the prior art, the present invention has the following beneficial effects:

[0012] This equipment can not only recover heat but also purify harmful gases. It can recycle water resources while recovering heat, thus reducing the loss of water resources in the equipment. The recovered heat is converted into electrical energy, thus reducing the consumption of electrical energy in the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 The figure is a schematic diagram of the structure of a multi-purpose waste heat recovery and storage device. DETAILED DESCRIPTION

[0014] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0015] See also Figure 1 In an embodiment of the present invention, a multi-purpose waste heat recovery and storage device includes a spray tower 1, a gas collecting bin 2, a first fan 3, a gas transmission pipeline 4, a flange 41, a water bath dust removal bin 5, condensed water 51, an energy storage tank 6, a plate heat exchanger 7, a generator 8, a gas pipeline 9, an electrostatic precipitator 10, a second fan 11, a discharge pipeline 12, a coke car 13, a spray pipe 14, and a spray water pool 15.

[0016] A coke car 13 is provided in the spray tower 1, a spray pipe 14 is provided above the coke car 13, the spray pipe 14 is fixedly connected in the spray tower 1, the spray pipe 14 is connected to a spray water pool 15 through a pipeline, a gas collecting bin 2 is provided above the spray tower 1, the gas collecting bin 2 is fixedly connected above the spray tower 1, and a water bath dust removal bin 5, an energy storage tank 6, a plate heat exchanger 7, a generator 8, an electrostatic precipitator 10, and a discharge pipeline 12 are provided on one side of the spray tower 1.

[0017] A first fan 3 is provided on one side of the gas collecting bin 2, and the first fan 3 is communicated with the gas collecting bin 2. The output end of the first fan 3 is detachably connected to the gas pipeline 4 through a flange 41. The gas pipeline 4 is communicated with the water bath dust removal bin 5. Condensate 51 is provided in the water bath dust removal bin 5. The connecting port between the gas pipeline 4 and the water bath dust removal bin 5 is below the liquid level of the condensate 51. One side of the water bath dust removal bin 5 is connected to the energy storage tank 6 through a pipeline. A plate heat exchanger 7 is provided on one side of the energy storage tank 6. The energy storage tank 6 is connected to one end of the plate heat exchanger 7 through a pipeline. Both ends of one side of the plate heat exchanger 7 are connected to the generator 8, and one side of the plate heat exchanger 7 is connected to the water bath dust removal bin 5 through a pipeline.

[0018] The energy storage tank 6 is arranged underground and has a heat-insulating structure. The energy storage tank 6 is connected to the spray water tank 15 through a pipeline. The liquid in the energy storage tank 6 can only enter the spray water tank 15 in one direction through a water pump.

[0019] A gas pipeline 9 is provided in the water bath dust removal chamber 5, and the pipe mouth of the gas pipeline 9 is located above the liquid level of the condensed water 51. One end of the electrostatic precipitator 10 is connected to the gas pipeline 9. A second fan 11 is provided on one side of the electrostatic precipitator 10. The second fan 11 is communicated with the electrostatic precipitator 10, and the output end of the second fan 11 is communicated with the discharge pipeline 12.

[0020] A condenser and a heater are provided in the discharge pipeline 12 , the electrostatic precipitator 10 uses a wet electrostatic precipitator, the generator 8 uses a temperature difference generator, and the generator 8 is electrically connected to the discharge pipeline 12 .

[0021] The working principle of the present invention is:

[0022] During operation, the spray pipe 14 first sprays the coking vehicle 13 to generate a large amount of gas, which enters the gas collecting bin 2 and then enters the water bath dust removal bin 5 through the pipeline. The condensed water 51 performs preliminary purification on the gas, wherein the coarse powder particles and coke powder are captured by the condensed water and undergo preliminary heat exchange. Then, the heat recovery process is performed to increase the temperature of the condensed water 51 and then enter the energy storage tank 6. After the energy storage tank 6 is connected to the plate heat exchanger 7, it generates electricity through a temperature difference generator. The cooled water flows back to the water bath dust removal bin 5, and the water in the energy storage tank 6 can also flow back to the spray water tank 15 through a water pump when necessary. The generator 8 can be electrically connected to the electrical components in the equipment. Gases such as carbon monoxide that are not compatible with water in the water bath dust removal bin 5 are secondary purified through the electrostatic precipitator 10, and finally are completely purified through condensation heating in the discharge pipe 12, and finally discharged into the air.

[0023] This equipment can not only recover heat but also purify harmful gases. It can recycle water resources while recovering heat, thus reducing the loss of water resources in the equipment. The recovered heat is converted into electrical energy, thus reducing the consumption of electrical energy in the equipment.

[0024] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A multi-purpose waste heat recovery and storage device, comprising a spray tower (1), characterized in that: A coke car (13) is provided in the spray tower (1), a spray pipe (14) is provided above the coke car (13), the spray pipe (14) is fixedly connected to the spray tower (1), the spray pipe (14) is connected to a spray water pool (15) through a pipeline, a gas collecting bin (2) is provided above the spray tower (1), the gas collecting bin (2) is fixedly connected above the spray tower (1), and a water bath dust removal bin (5), an energy storage tank (6), a plate heat exchanger (7), a generator (8), an electrostatic precipitator (10), and a discharge pipeline (12) are provided on one side of the spray tower (1).

2. A multi-purpose waste heat recovery and storage device according to claim 1, characterized in that: A first fan (3) is provided on one side of the gas collecting bin (2). The first fan (3) is in communication with the gas collecting bin (2). The output end of the first fan (3) is detachably connected to the gas transmission pipeline (4) via a flange (41). The gas transmission pipeline (4) is in communication with the water bath dust removal bin (5). Condensate (51) is provided in the water bath dust removal bin (5). The connection port between the gas transmission pipeline (4) and the water bath dust removal bin (5) is below the liquid level of the condensate (51). One side of the water bath dust removal bin (5) is connected to an energy storage tank (6) via a pipeline. A plate heat exchanger (7) is provided on one side of the energy storage tank (6). The energy storage tank (6) is connected to one end of the plate heat exchanger (7) via a pipeline. Both ends of one side of the plate heat exchanger (7) are connected to a generator (8). One side of the plate heat exchanger (7) is connected to the water bath dust removal bin (5) via a pipeline.

3. The multi-purpose waste heat recovery and storage device according to claim 1, characterized in that: The energy storage tank (6) is arranged underground and has a heat-insulating structure. The energy storage tank (6) is connected to the spray water tank (15) through a pipeline. The liquid in the energy storage tank (6) can only enter the spray water tank (15) in one direction through a water pump.

4. The multi-purpose waste heat recovery and storage device according to claim 1, characterized in that: A gas pipeline (9) is provided in the water bath dust removal chamber (5), the pipe mouth of the gas pipeline (9) is located above the liquid level of the condensed water (51), one end of the electrostatic precipitator (10) is connected to the gas pipeline (9), a second fan (11) is provided on one side of the electrostatic precipitator (10), the second fan (11) is communicated with the electrostatic precipitator (10), and the output end of the second fan (11) is communicated with the discharge pipeline (12).

5. The multi-purpose waste heat recovery and storage device according to claim 1, characterized in that: A condenser and a heater are provided in the discharge pipeline (12); the electrostatic precipitator (10) is a wet electrostatic precipitator; the generator (8) is a temperature difference generator; and the generator (8) is electrically connected to the discharge pipeline (12).

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