Efficient heat accumulating flue gas waste heat recycling device for industrial furnace

Abstract

The utility model relates to industrial furnace flue gas recycling device technical field provides a kind of high-efficient heat storage flue gas waste heat recycling device for industrial furnace, including bottom plate, the outer surface of bottom plate top is fixedly provided with multiple first support column, heating box, fixedly set in multiple first support column top, heating box inner surface is rotatably connected with two first shafts, open water inlet valve cold water enters heating box interior through water inlet pipe, open air pump high-temperature flue gas enters heating box interior through hot gas pipe and carries out heating to cold water, first motor output shaft drives driving gear to rotate, driving gear drives one first shaft to rotate, driving gear simultaneously drives driven gear to rotate, and further drive transmission belt and two transmission wheels to rotate, drive another side first shaft to rotate, two first shafts drive multiple fixed axes and agitating leaf to rotate, the cold water being heated in heating box interior is agitated, improve the high-temperature flue gas in hot gas pipe and cold water heating efficiency, improve flue gas waste heat recycling rate.

Description

TECHNICAL FIELD

[0001] The utility model relates to industrial furnace flue gas recycling device technical field especially relates to a kind of high-efficiency heat storage flue gas waste heat recycling device for industrial furnace. BACKGROUND

[0002] Industrial furnace flue gas recycling is an energy-saving technology that recovers heat from high-temperature flue gas generated during industrial production to reduce energy consumption and environmental pollution.

[0003] In the prior art, for example, Chinese Publication No. CN211625209U, the utility model provides power plant waste heat recycling device, including water tank, hot water tank, water tray, hot water outlet pipe, cold water tank, cold water inlet pipe, heat exchanger, first water pump, heating cavity and air pipe, heat exchanger is assembled on the upper end surface of boiler, air pipe is installed in the middle of heat exchanger, heating cavity is arranged on the annular side surface of air pipe, water tank is placed on the left side of boiler, hot water tank is arranged on the left side in water tank, cold water tank is arranged on the right side of hot water tank, first water pump is assembled on the lower side in cold water tank, cold water inlet pipe is connected to the upper side of first water pump, water tray is installed on the upper end surface of hot water tank, and hot water outlet pipe is connected to the upper end surface of water tray. This design solves the problem of not recycling the exhaust gas waste heat in the original boiler used in power plants. The utility model has a reasonable structure, facilitates the recycling of exhaust gas heat in the boiler used in power plants, and is energy-saving and environmentally friendly.

[0004] Although the above-mentioned scheme has the advantages as above, the disadvantages of the above-mentioned scheme are that there is no structure of rotating the gear and transmission wheel driven by the motor output shaft, thereby driving the rotation of the plurality of fixed shafts and stirring leaves, the device cannot stir the cold water being heated inside the heating box, the device cannot improve the heating efficiency of the high-temperature flue gas in the hot gas pipe on the cold water and the flue gas waste heat recycling rate, there is no structure for filtering and purifying the impurities in the high-temperature flue gas, there is no structure for scraping the impurities deposited on the inner wall of the purification tank, and the device is prone to pipe blockage and device failure due to excessive deposition of impurities in the high-temperature flue gas. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a kind of high-efficiency heat storage flue gas waste heat recycling device for industrial furnace, the utility model designs the structure of rotating the gear and transmission wheel driven by the motor output shaft, thereby driving the rotation of the plurality of fixed shafts and stirring leaves, the device can stir the cold water being heated inside the heating box, the device can improve the heating efficiency of the high-temperature flue gas in the hot gas pipe on the cold water and the flue gas waste heat recycling rate, designs the structure for filtering and purifying the impurities in the high-temperature flue gas, designs the structure for scraping the impurities deposited on the inner wall of the purification tank, avoids the problem of pipe blockage and device failure due to excessive deposition of impurities in the high-temperature flue gas.

[0006] In order to achieve the above object, the utility model discloses the following technical scheme: an industrial furnace is with high -efficient heat -retaining flue gas waste heat recycling device, including

[0007] The bottom plate is provided with a plurality of first support columns on the top outer surface, and further comprises:

[0008] The heating box is fixedly arranged on the top of the plurality of first support columns, and two first rotating shafts are rotatably connected to the inner surface of the heating box.

[0009] Preferably, the outer surface of the heating box is fixedly provided with a water inlet pipe, the outer surface of the water inlet pipe is fixedly provided with a water inlet valve, the outer surface of the heating box is fixedly provided with a drain pipe, the outer surface of the drain pipe is fixedly provided with a drain valve, and the inner surface of the heating box is fixedly provided with a hot gas pipe.

[0010] Preferably, the outer surface of the hot gas pipe is fixedly provided with an air pump, and the outer surface of the air pump is fixedly provided with a purification tank.

[0011] Preferably, the inner surface of the top of the hot gas pipe is fixedly provided with a filter screen, and the outer surface of the top of the purification tank is fixedly provided with a second motor.

[0012] Preferably, the second motor output shaft is fixedly provided with a second rotating shaft, the second rotating shaft is rotatably connected with the inner surface of the purification tank, and the outer surface of the second rotating shaft is fixedly provided with two filtering and purifying plates.

[0013] Preferably, the outer surface of the purification tank is movably connected with a clean-out door, the outer surface of the clean-out door is provided with an observation window, and the outer surface of the clean-out door is fixedly provided with a handle.

[0014] Preferably, the outer surface of the top of the purification tank is fixedly provided with a flue gas inlet pipe, and the inner surface of the flue gas inlet pipe is in communication with the inner cavity of the purification tank.

[0015] Preferably, the outer surface of the bottom of the purification tank is fixedly provided with a plurality of second supporting columns, and the second supporting columns are fixedly connected with the outer surface of the top of the bottom plate.

[0016] Compared with the prior art, the industrial furnace high-efficiency heat-accumulating flue gas waste heat recovery and utilization device has the advantages and positive effects that,

[0017] 1. In the utility model, cold water enters the heating box through the water inlet pipe when the water inlet valve is opened, high-temperature flue gas enters the heating box through the hot gas pipe to heat the cold water when the air pump is opened, the first motor is opened, the first motor output shaft drives the driving gear to rotate, the driving gear drives a first rotating shaft to rotate, the driving gear simultaneously drives the driven gear to rotate, thereby driving the transmission belt and the two transmission wheels to rotate, driving the other first rotating shaft to rotate, and the two first rotating shafts drive the plurality of fixed shafts and the stirring blades to rotate, so that the cold water being heated in the heating box is stirred, the heating efficiency of the high-temperature flue gas in the hot gas pipe on the cold water is improved, and the flue gas waste heat recovery utilization rate is improved.

[0018] 2. In the utility model, high-temperature flue gas enters the purification tank through the flue gas inlet pipe, the second motor output shaft drives the second rotating shaft and the filtering and purifying plate to rotate, the impurity dirt in the high-temperature flue gas is filtered and purified, the impurity dirt deposited on the inner wall of the purification tank is scraped off by the ash brush, the impurity dirt in the purification tank is cleaned out by opening the clean-out door with the handle, the filtering screen further purifies the high-temperature flue gas, and the high-temperature flue gas is sucked out through the hot gas pipe by opening the air pump for utilization. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 A three-dimensional structure schematic view of the industrial furnace high-efficiency heat-accumulating flue gas waste heat recovery and utilization device is provided.

[0020] Figure 2 The utility model provides an external three -dimensional structure schematic diagram of a kind of high-efficiency heat storage flue gas waste heat recovery and utilization device for industrial furnace provided by the utility model;

[0021] Figure 3 The utility model provides an internal three -dimensional structure schematic diagram of a kind of high-efficiency heat storage flue gas waste heat recovery and utilization device for industrial furnace provided by the utility model;

[0022] Figure 4 A kind of high-efficiency heat storage flue gas waste heat recovery and utilization device for industrial furnace provided by the utility model Figure 1 The utility model provides the enlarged three-dimensional structure schematic diagram in A place in a kind of high-efficiency heat storage flue gas waste heat recovery and utilization device for industrial furnace provided by the utility model.

[0023] Legend:

[0024] 1, bottom plate;2, first support column;3, fixed plate;4, water inlet pipe;5, water inlet valve;6, heating box;7, drain valve;8, drain pipe;9, second support column;10, purification tank;11, air pump;12, hot gas pipe;13, second motor;14, second rotating shaft;15, filter purification plate;16, dust cleaning brush;17, clear door;18, flue gas inlet pipe;19, first rotating shaft;20, first motor;21, driving gear;22, fixed shaft;23, stirring blade;24, driven gear;25, third rotating shaft;26, transmission wheel;27, transmission belt;28, filter screen;29, observation window;30, handle. Specific implementation

[0025] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with drawings and examples. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0026] In the following description, many specific details are set forth in order to fully understand the utility model, but the utility model can also be implemented in other ways different from the description, therefore, the utility model is not limited to the specific embodiments disclosed in the following disclosure.

[0027] Example 1, as Figures 1 to 4The utility model provides an industrial furnace is with high -efficient heat accumulation flue gas waste heat recycling device, including bottom plate 1, the top outer surface of bottom plate 1 is fixedly set with a plurality of first support column 2, heating box 6, fixedly set in a plurality of first support column 2 top, the inner surface of heating box 6 is rotatably connected with two first rotation axis 19, the outer surface of two first rotation axis 19 is fixedly set with a plurality of fixed shaft 22, the outer surface of a plurality of fixed shaft 22 is fixedly set with a plurality of agitating blade 23, heating box 6 outer surface fixed mounting has first motor 20, the output shaft of first motor 20 is fixedly set with driving gear 21, and one end surface of driving gear 21 is fixedly connected with a first rotation axis 19, and the outer surface of driven gear 24 is fixedly set with third rotation axis 25, and the outer surface of third rotation axis 25 is rotatably connected with heating box 6, and the outer surface of third rotation axis 25 and one first rotation axis 19 is fixedly set with transmission wheel 26, and the outer surface of two transmission wheels 26 is movably connected with transmission belt 27, and one end surface of third rotation axis 25 and one first rotation axis 19 is rotatably connected with fixed plate 3, and the output shaft of first motor 20 drives driving gear 21 to rotate, and one first rotation axis 19 is driven by driving gear 21, and one first rotation axis 19 is driven by driving gear 21 simultaneously, and further drive transmission belt 27 and two transmission wheels 26 to rotate, drive another side first rotation axis 19 to rotate, and a plurality of fixed shaft 22 and agitating blade 23 are driven to rotate by two first rotation axis 19, and the cold water being heated in heating box 6 is agitated.

[0028] Further, as shown in the drawings, Figures 1 to 4 The outer surface of heating box 6 is fixedly provided with a water inlet pipe 4, the outer surface of water inlet pipe 4 is fixedly provided with a water inlet valve 5, the outer surface of heating box 6 is fixedly provided with a drain pipe 8, the outer surface of drain pipe 8 is fixedly provided with a drain valve 7, the inner surface of heating box 6 is fixedly provided with a hot gas pipe 12, the cold water enters the inside of heating box 6 through water inlet pipe 4 by opening the water inlet valve 5, and the hot water is discharged through the drain pipe 8 by opening the drain valve 7 after heating.

[0029] Further, as shown in the drawings, Figures 1 to 4 The outer surface of hot gas pipe 12 is fixedly provided with an air pump 11, the outer surface of air pump 11 is fixedly provided with a purification tank 10, the high-temperature flue gas enters the inside of heating box 6 to heat the cold water by opening the air pump 11.

[0030] Further, as shown in the drawings, Figures 1 to 4 The inner surface of the top of hot gas pipe 12 is fixedly provided with a filter screen 28, the outer surface of the top of purification tank 10 is fixedly provided with a second motor 13, the filter screen 28 further purifies the impurities in the high-temperature flue gas.

[0031] Further, as shown in the drawings, Figures 1 to 4As shown, the second motor 13 output shaft is fixedly provided with a second rotating shaft 14, the second rotating shaft 14 is rotatably connected with the inner surface of the purification tank 10, the outer surface of the second rotating shaft 14 is fixedly provided with two filter purification plates 15, the outer surface of the two filter purification plates 15 is fixedly provided with a plurality of dust cleaning brushes 16, the second rotating shaft 14 and the filter purification plate 15 rotate, the impurities and dirt in the high-temperature flue gas are filtered and purified, and the dust cleaning brush 16 scrapes off the impurities and dirt adhered and deposited on the inner wall of the purification tank 10.

[0032] Further, as shown in the drawings, Figures 1 to 4 As shown, the outer surface of the purification tank 10 is movably connected with a clean-out door 17, the outer surface of the clean-out door 17 is provided with an observation window 29, the outer surface of the clean-out door 17 is fixedly provided with a handle 30, and the impurities and dirt in the purification tank 10 are cleaned out by opening the clean-out door 17 with the handle 30.

[0033] Further, as shown in the drawings, Figures 1 to 4 As shown, the outer surface of the purification tank 10 is movably connected with a clean-out door 17, the outer surface of the clean-out door 17 is provided with an observation window 29, the outer surface of the clean-out door 17 is fixedly provided with a handle 30, and the impurities and dirt in the purification tank 10 are cleaned out by opening the clean-out door 17 with the handle 30.

[0034] Further, as shown in the drawings, Figures 1 to 4 As shown, the outer surface of the purification tank 10 is movably connected with a clean-out door 17, the outer surface of the clean-out door 17 is provided with an observation window 29, the outer surface of the clean-out door 17 is fixedly provided with a handle 30, and the impurities and dirt in the purification tank 10 are cleaned out by opening the clean-out door 17 with the handle 30.

[0035] Working principle: open the water inlet valve 5, cold water enters the heating box 6 through the water inlet pipe 4, open the air pump 11, high-temperature flue gas enters the heating box 6 through the hot gas pipe 12 to heat the cold water, open the first motor 20, the output shaft of the first motor 20 drives the driving gear 21 to rotate, the driving gear 21 drives a first rotating shaft 19 to rotate, the driving gear 21 simultaneously drives the driven gear 24 to rotate, and further drives the transmission belt 27 and the two transmission wheels 26 to rotate, driving the other side first rotating shaft 19 to rotate, the two first rotating shafts 19 drive a plurality of fixed shafts 22 and stirring leaves 23 to rotate, stirring the cold water being heated in the heating box 6, improving the heating efficiency of the cold water by the high-temperature flue gas in the hot gas pipe 12, improving the flue gas waste heat recovery rate, high-temperature flue gas enters the purification tank 10 through the flue gas inlet pipe 18, the second motor 13 is opened, the output shaft of the second motor 13 drives the second rotating shaft 14 and the filter purification plate 15 to rotate, the impurities and dirt in the high-temperature flue gas are filtered and purified, the dust cleaning brush 16 scrapes off the impurities and dirt adhered and deposited on the inner wall of the purification tank 10, the handle 30 is held to open the clean-out door 17 to clean out the impurities and dirt in the purification tank 10, the filter screen 28 further purifies the high-temperature flue gas, and the air pump 11 is opened to suck out the high-temperature flue gas through the hot gas pipe 12 for utilization.

[0036] The above merely is the preferred embodiment of the present application, and does not limit the present application in other forms, and any skilled person in the art can change or modify the above disclosed technical content into equivalent embodiments with equivalent changes applied to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present application without departing from the technical scheme of the present application still falls within the protection scope of the present application.

Claims

1. A high-efficiency heat storage flue gas waste heat recovery and utilization device for industrial furnaces, comprising: A base plate (1), wherein a plurality of first support columns (2) are fixedly disposed on the top outer surface of the base plate (1), characterized in that it further comprises: A heating box (6) is fixedly mounted on top of multiple first support columns (2). Two first rotating shafts (19) are rotatably connected to the inner surface of the heating box (6). Multiple fixed shafts (22) are fixedly mounted on the outer surfaces of both first rotating shafts (19). Multiple stirring blades (23) are fixedly mounted on the outer surfaces of the multiple fixed shafts (22). A first motor (20) is fixedly mounted on the outer surface of the heating box (6). A drive gear (21) is fixedly mounted on the output shaft of the first motor (20). The drive gear (21) is connected to one of the first rotating shafts (19). One end face is fixedly connected, the driving gear (21) meshes with the driven gear (24), the outer surface of the driven gear (24) is fixedly provided with a third rotating shaft (25), the third rotating shaft (25) is rotatably connected to the outer surface of the heating box (6), the outer surface of the third rotating shaft (25) and a first rotating shaft (19) are both fixedly provided with transmission wheels (26), the outer surfaces of the two transmission wheels (26) are movably connected with a transmission belt (27), and one end face of the third rotating shaft (25) and a first rotating shaft (19) is rotatably connected with a fixed plate (3).

2. The high-efficiency heat storage flue gas waste heat recovery and utilization device for industrial furnaces according to claim 1, characterized in that: A water inlet pipe (4) is fixedly installed on the outer surface of the heating box (6), a water inlet valve (5) is fixedly installed on the outer surface of the water inlet pipe (4), a drain pipe (8) is fixedly installed on the outer surface of the heating box (6), a drain valve (7) is fixedly installed on the outer surface of the drain pipe (8), and a hot air pipe (12) is fixedly installed on the inner surface of the heating box (6).

3. The high-efficiency heat storage flue gas waste heat recovery and utilization device for industrial furnaces according to claim 2, characterized in that: A vacuum pump (11) is fixedly installed on the outer surface of the hot air pipe (12), and a purification tank (10) is fixedly installed on the outer surface of the vacuum pump (11).

4. The high-efficiency heat storage flue gas waste heat recovery and utilization device for industrial furnaces according to claim 3, characterized in that: A filter screen (28) is fixedly installed on the inner surface of the top of the hot air pipe (12), and a second motor (13) is fixedly installed on the outer surface of the top of the purification tank (10).

5. The high-efficiency heat storage flue gas waste heat recovery and utilization device for industrial furnaces according to claim 4, characterized in that: The output shaft of the second motor (13) is fixedly provided with a second rotating shaft (14), which is rotatably connected to the inner surface of the purification tank (10). Two filter purification plates (15) are fixedly provided on the outer surface of the second rotating shaft (14), and multiple dust removal brushes (16) are fixedly provided on the outer surface of each of the two filter purification plates (15).

6. The high-efficiency heat storage flue gas waste heat recovery and utilization device for industrial furnaces according to claim 5, characterized in that: The purification tank (10) is movably connected to a cleaning door (17) on its outer surface. An observation window (29) is provided on the outer surface of the cleaning door (17), and a handle (30) is fixedly provided on the outer surface of the cleaning door (17).

7. The high-efficiency heat storage flue gas waste heat recovery and utilization device for industrial furnaces according to claim 3, characterized in that: A flue gas inlet pipe (18) is fixedly installed on the outer surface of the top of the purification tank (10), and the inner surface of the flue gas inlet pipe (18) is connected to the inner cavity of the purification tank (10).

8. The high-efficiency heat storage flue gas waste heat recovery and utilization device for industrial furnaces according to claim 3, characterized in that: The bottom outer surface of the purification tank (10) is fixedly provided with a plurality of second support columns (9), and the plurality of second support columns (9) are fixedly connected to the top outer surface of the base plate (1).

Images