Firing heat efficient recycling power generation device

Abstract

The utility model discloses a firing heat efficient recycling power generation device, and relates to the technical field of recycling power generation devices, the firing heat efficient recycling power generation device comprises a heat collection pipeline, a box body and a preheating box, the box body is fixedly installed on one side of the heat collection pipeline, and a plate heat exchanger is fixedly installed in the box body; one end of the heat collection pipeline extends into the box body and is fixedly connected with one side of the plate heat exchanger, a heat transfer medium pipeline penetrates through the top of the box body, one end of the heat transfer medium pipeline is fixedly connected with one side of the plate heat exchanger, and a conveying pipeline is fixedly mounted at the other end of the plate heat exchanger. According to the utility model, the heat of the waste gas can be fully utilized, the comprehensive utilization rate of energy is improved, the dependence on external energy in the production process is reduced, the energy cost of an enterprise is reduced, the pollution caused by direct emission of the high-temperature waste gas is reduced, and the practicability of the power generation device for efficiently recycling the firing heat is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to recycling power generation device technical field, concretely relates to a high -efficient recycling power generation device of firing heat. BACKGROUND

[0002] In many industrial production fields, for example, ceramic, cement, glass and metallurgical industries, the firing of materials is often accompanied by the release of a large amount of heat. Traditionally, most of this heat is directly discharged into the atmosphere with high-temperature waste gas, causing serious energy waste and also bringing negative effects such as thermal pollution to the surrounding environment. With the increasing maturity of technology and operation, waste heat power generation technology is a technology that converts excess heat energy in the production process into electrical energy. Waste heat power generation not only saves energy but also benefits environmental protection.

[0003] However, the existing high-efficiency recycling power generation device of firing heat has low heat recovery efficiency, cannot fully utilize the heat, still causes certain pollution to the environment, and cannot meet the actual needs of high-efficiency recycling of firing heat for power generation in industrial production. Therefore, we propose a high-efficiency recycling power generation device of firing heat. SUMMARY

[0004] In view of the above problems existing in the prior art, the utility model is proposed.

[0005] Therefore, the utility model aims to provide a high-efficiency recycling power generation device of firing heat, which solves the problem that the existing high-efficiency recycling power generation device of firing heat has low heat recovery efficiency, cannot fully utilize the heat, still causes certain pollution to the environment, and cannot meet the actual needs of high-efficiency recycling of firing heat for power generation in industrial production.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A high-efficiency recycling power generation device of firing heat, comprising a heat collecting pipeline, a box body and a preheating box, the box body is fixedly installed on one side of the heat collecting pipeline, a plate heat exchanger is fixedly installed inside the box body, one end of the heat collecting pipeline extends into the box body and is fixedly connected to one side of the plate heat exchanger, a heat transfer medium pipeline is provided through the top of the box body, one end of the heat transfer medium pipeline is fixedly connected to one side of the plate heat exchanger, a conveying pipeline is fixedly installed at the other end of the plate heat exchanger, the other end of the conveying pipeline extends out of the box body, a steam turbine is fixedly installed at the other end of the conveying pipeline, and a generator is fixedly installed at the other end of the steam turbine through a shaft coupling.

[0008] Preferably, the bottom of the box is fixedly provided with a preheating box, the bottom of the steam turbine is fixedly provided with a return pipeline, the return pipeline penetrates through one side of the preheating box and extends into the preheating box, and one end of the return pipeline in the preheating box is fixedly provided with a heat exchange pipe.

[0009] Preferably, the surface of the conveying pipeline in the box is fixedly provided with a circulating pipeline, the other end of the circulating pipeline is fixedly connected with the surface of the heat transfer medium pipeline, and the surface of the circulating pipeline is fixedly provided with a circulating water pump.

[0010] Preferably, the surface of the conveying pipeline in the box is fixedly provided with a temperature sensor and a switch valve, the other end of the plate heat exchanger is fixedly provided with a waste gas pipeline, the waste gas pipeline extends out of the box and is fixedly provided with a filter frame, and the filter frame is provided with activated carbon.

[0011] Preferably, one side of the preheating box is provided with an air inlet, the other side of the preheating box is fixedly provided with an air extraction pump in the inside, the other end of the air extraction pump is fixedly provided with a combustion-supporting pipeline, and the combustion-supporting pipeline extends out of the preheating box.

[0012] Preferably, the heat collecting pipeline is fixedly provided with a heat preservation pipeline outside.

[0013] In the above technical solution, the technical effects and advantages of the present application are provided.

[0014] The present application has the advantages that: the box is arranged on one side of the heat collecting pipeline, the plate heat exchanger and the heat transfer medium pipeline are arranged in the box, the preheating box is arranged at the bottom of the box, and the waste gas pipeline and the filter frame are arranged on one side of the box, so that the heat of the waste gas can be fully utilized, the comprehensive utilization rate of energy is improved, the dependence on external energy in the production process is reduced, the cost of enterprise energy is reduced, the pollution caused by the direct discharge of high-temperature waste gas is reduced, and the practicability of the firing heat efficient recycling power generation device is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments or the prior art, the drawings needed in the embodiments will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments described in the present application, and other drawings can also be obtained by those skilled in the art according to these drawings.

[0016] Fig. 1 It is a schematic diagram of the overall structure of the present application;

[0017] Fig. 2 It is a schematic diagram of the cross-sectional structure of the box of the present application;

[0018] Fig. 3The preheating box profile structure schematic view of the utility model.

[0019] Mark explanation:

[0020] 1, heat collection pipeline;2, box;3, preheating box;4, plate heat exchanger;5, heat transfer medium pipeline;6, conveying pipeline;7, steam turbine;8, generator;9, backflow pipeline;10, heat exchange pipe;11, circulating pipeline;12, circulating water pump;13, temperature sensor;14, switch valve;15, exhaust pipe;16, filter frame;17, activated carbon;18, air inlet;19, air pump;20, combustion-supporting pipeline;21, heat preservation pipeline. Specific implementation

[0021] In order to make those skilled in the art better understand the technical scheme of the utility model, the utility model will be introduced further in detail below in conjunction with the drawings.

[0022] The utility model discloses a kind of calcination heat efficient recycling power generation device.

[0023] The utility model provides a kind of calcination heat efficient recycling power generation device as Figs. 1-3 As shown in the drawing, including heat collection pipeline 1, box 2 and preheating box 3, the box 2 is fixedly installed on one side of heat collection pipeline 1, the plate heat exchanger 4 is fixedly installed in the box 2, and one end of heat collection pipeline 1 is fixedly connected with one side of plate heat exchanger 4 in the box 2, the heat transfer medium pipeline 5 is arranged through the top of the box 2, one end of the heat transfer medium pipeline 5 is fixedly connected with one side of plate heat exchanger 4, the other end of plate heat exchanger 4 is fixedly installed with conveying pipeline 6, the other end of conveying pipeline 6 is arranged through the box 2 and extends outside the box 2, the other end of conveying pipeline 6 is fixedly installed with steam turbine 7, the other end of steam turbine 7 is fixedly installed with generator 8 through coupling, and the heat of waste gas is conveniently fully utilized.

[0024] The utility model discloses a kind of calcination heat efficient recycling power generation device, the preheating box 3 is fixedly installed on the bottom of box 2, the backflow pipeline 9 is fixedly installed on the bottom of steam turbine 7, the backflow pipeline 9 is arranged through one side of preheating box 3 and extends into preheating box 3, and the heat of waste gas is further utilized.

[0025] The utility model discloses a kind of calcination heat efficient recycling power generation device, the surface of conveying pipeline 6 in the box 2 is fixedly installed with circulating pipeline 11, the other end of circulating pipeline 11 is fixedly connected with the surface of heat transfer medium pipeline 5, and circulating water pump 12 is fixedly installed on the surface of circulating pipeline 11, so that waste gas and heat transfer medium are fully exchanged between heat.

[0026] The utility model discloses a kind of firing heat efficient recycling power generation device, temperature sensor 13 and switch valve 14 are fixedly installed on the surface of conveying pipeline 6 inside the box 2, waste gas pipeline 15 is fixedly installed in the other end of the plate heat exchanger 4, filter frame 16 is fixedly installed in the waste gas pipeline 15 that projects box 2 outside, activated carbon 17 is equipped in the filter frame 16, and the impurities or harmful substances in waste gas can be filtered.

[0027] The utility model discloses a kind of firing heat efficient recycling power generation device, preheating box 3 side is equipped with air inlet 18, preheating box 3 other side inside fixedly installed has air pump 19, air pump 19 other end fixedly installed has combustion-supporting pipeline 20, and combustion-supporting pipeline 20 projects preheating box 3 outside, it is convenient to preheat combustion-supporting air.

[0028] The utility model discloses a kind of firing heat efficient recycling power generation device, heat collection pipeline 1 outside fixedly installed has heat preservation pipeline 21, reduce the loss of heat in transmission process.

[0029] In use, heat collection pipeline 1 is connected with the exhaust port of boiler, and the waste gas discharged by boiler will enter plate heat exchanger 4 through heat collection pipeline 1, then water is transported into plate heat exchanger 4 by heat transfer medium pipeline 5, and the heat of waste gas will heat water, start circulating water pump 12, circulating water pump 12 can repeatedly transport water into plate heat exchanger 4, and waste gas after heat exchange will be filtered and discharged through filter frame 16, then the temperature of water is observed by temperature sensor 13, when the temperature reaches to make water into water vapor, open switch valve 14, and high-temperature water vapor will drive engine rotation through steam turbine 7 and coupling, and engine will generate electricity, and after high-temperature water vapor passes through steam turbine 7, it is transported into heat exchange pipe 10 by backflow pipeline 9, then combustion-supporting pipeline 20 is connected with boiler, and air pump 19 is started, and air pump 19 will heat air from preheating box 3 inside and transport into boiler through combustion-supporting pipeline 20 for combustion-supporting.

[0030] The above only describes certain exemplary embodiments of the utility model by way of illustration, without doubt, for ordinary skilled person in the art, under the condition that deviating from the spirit and scope of the utility model, the described embodiment can be modified in various different ways. Therefore, the above drawing and description are illustrative in nature, and should not be understood as limiting the scope of protection claimed by the utility model.

Claims

1. A heat efficient recycling power generation device for sintering, comprising a heat collecting pipe (1), a box (2) and a preheating box (3), characterized in that, The heat collecting pipeline (1) is fixedly installed on one side of the box (2), the box (2) is fixedly installed inside the plate heat exchanger (4), one end of the heat collecting pipeline (1) is fixedly connected with one side of the plate heat exchanger (4) inside the box (2), the top of the box (2) is provided with the heat transfer medium pipeline (5), one end of the heat transfer medium pipeline (5) is fixedly connected with one side of the plate heat exchanger (4), the other end of the plate heat exchanger (4) is fixedly installed with the conveying pipeline (6), the other end of the conveying pipeline (6) penetrates the box (2) and extends outside the box (2), the other end of the conveying pipeline (6) is fixedly installed with the steam turbine (7), the other end of the steam turbine (7) is fixedly installed with the generator (8) through the shaft coupling.

2. The fired heat efficient recovery power generation device according to claim 1, characterized by, The bottom of the box (2) is fixedly installed with the preheating box (3), the bottom of the steam turbine (7) is fixedly installed with the return pipeline (9), the return pipeline (9) penetrates one side of the preheating box (3) and extends into the preheating box (3), and one end of the return pipeline (9) inside the preheating box (3) is fixedly installed with the heat exchange pipe (10).

3. The fired heat efficient recovery power generation device according to claim 1, characterized by, The surface of the conveying pipeline (6) inside the box (2) is fixedly installed with the circulating pipeline (11), the other end of the circulating pipeline (11) is fixedly connected with the surface of the heat transfer medium pipeline (5), and the surface of the circulating pipeline (11) is fixedly installed with the circulating water pump (12).

4. The fired heat efficient recovery power plant of claim 1, wherein, The surface of the conveying pipeline (6) inside the box (2) is fixedly installed with the temperature sensor (13) and the on-off valve (14), the other end of the plate heat exchanger (4) is fixedly installed with the waste gas pipeline (15), the waste gas pipeline (15) extends outside the box (2) and is fixedly installed with the filter frame (16), and the filter frame (16) is provided with the activated carbon (17).

5. The fired heat efficient recovery power plant of claim 1, wherein, One side of the preheating box (3) is provided with the air inlet (18), the other side of the preheating box (3) is fixedly installed with the air suction pump (19) inside, the other end of the air suction pump (19) is fixedly installed with the combustion supporting pipeline (20), and the combustion supporting pipeline (20) extends outside the preheating box (3).

6. The fired heat efficient recovery power plant of claim 1, wherein, The heat collecting pipeline (1) is fixedly installed outside the heat preservation pipeline (21).

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