Flue gas waste heat recovery system

Abstract

The flue gas waste heat recovery system comprises a bottom plate, a heat preservation water tank is fixedly installed on the upper surface of the bottom plate, a purification mechanism is arranged on the portion, on the side of the heat preservation water tank, of the upper surface of the bottom plate, and a water injection port and a water outlet are formed in the upper end and the lower end of the heat preservation water tank respectively. A positioning ring is fixedly connected to the upper surface of the heat preservation water tank on the side of the bent pipe, the outer wall of the positioning ring is sleeved with a filter cover, the inner wall of the filter cover is fixedly connected with a filter screen, and a limiting arm is rotationally installed on the outer wall of the upper end of the side of the heat preservation water tank; a sleeve is fixedly connected to the upper end of the limiting arm, an adjusting rod is movably mounted on the inner wall of the sleeve, and a heat preservation cover is rotationally mounted at the lower end of the adjusting rod. According to the flue gas waste heat recovery system, flue gas can be conveniently treated when heat is recovered, so that subsequent treatment of the flue gas is facilitated, and the practicability of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to flue gas waste heat recovery device technical field, concretely is a flue gas waste heat recovery system. BACKGROUND

[0002] Flue gas waste heat usually refers to the flue gas containing high temperature heat energy in industry, such as heating furnace flue gas, smelting furnace flue gas and gas turbine flue gas etc., and the flue gas waste heat recovery system is the equipment for recycling the waste heat in high temperature flue gas, can promote the temperature of water medium etc.

[0003] However, the existing flue gas waste heat recovery system has the following problems when in use:

[0004] Because the flue gas contains impurities, therefore, for the convenience of subsequent treatment of flue gas, the recovery device needs to recover heat while treating flue gas, and the existing flue gas waste heat recovery system is not easy to treat flue gas when recovering heat, thereby not convenient for subsequent treatment of flue gas, so that the practicability of the flue gas waste heat recovery system is reduced.

[0005] In view of the above problems, it is urgent to make innovative design on the basis of the original flue gas waste heat recovery system. CONTENT OF THE UTILITY MODEL

[0006] The utility model aims at providing a kind of flue gas waste heat recovery system to solve the above-mentioned background art that existing flue gas waste heat recovery system is not easy to treat flue gas when recovering heat, thereby not convenient for subsequent treatment of flue gas, so that the practicability of device is reduced.

[0007] To achieve the above object, the utility model provides the following technical scheme: a kind of flue gas waste heat recovery system, including bottom plate, the upper surface of the bottom plate is fixedly installed with heat preservation water tank, and the bottom plate upper surface of heat preservation water tank side is provided with purification mechanism, and the upper and lower ends of heat preservation water tank are respectively installed with water inlet and water outlet, and the upper end of heat preservation water tank is penetrated with gas inlet pipe on water outlet side, while the surface of heat preservation water tank is penetrated with elbow pipe on gas inlet pipe side, the upper surface of heat preservation water tank is fixedly connected with positioning ring on elbow pipe side, and the outer wall of positioning ring is sleeved with filter cover, and the inner wall of filter cover is fixedly connected with filter screen, and the outer wall of upper end of heat preservation water tank side is rotatably installed with limit arm, the upper end of limit arm is fixedly connected with sleeve, the inner wall of sleeve is movably installed with adjusting rod, and the lower end of adjusting rod is rotatably installed with heat preservation cover.

[0008] Preferably, the purification mechanism includes a purification cylinder, activated carbon cotton, an end cover and an exhaust pipe, and the purification cylinder is fixedly installed on the upper surface of the bottom plate, and the inner wall of the purification cylinder is movably connected with the activated carbon cotton, and the upper end outer wall of the purification cylinder is threadedly installed with the end cover, and the side surface of the purification cylinder is provided with the exhaust pipe.

[0009] Preferably, the purification cylinder and the elbow are communicated, the activated carbon cotton and the purification cylinder are slidably connected, and the activated carbon cotton and the end cover are attached.

[0010] Preferably, the positioning ring and the filter cover are threadedly provided, and the filter cover and the heat preservation water tank are attached and connected.

[0011] Preferably, the limiting arm side of the heat preservation water tank outer wall is fixedly connected with a clamping sleeve, the inner wall of the clamping sleeve is movably installed with a knob, and the limiting arm and the clamping sleeve are attached, and the knob is threadedly connected with the limiting arm and the clamping sleeve respectively.

[0012] Preferably, the sleeve and the adjusting rod are threadedly provided, and the heat preservation cover and the heat preservation water tank are attached.

[0013] Compared with the prior art, the beneficial effects of the present application are that the flue gas waste heat recovery system is convenient for treating flue gas when recovering heat, thereby facilitating subsequent treatment of flue gas, and improving the practicability of the device.

[0014] The heat emitted by the air inlet pipe and the elbow is absorbed by the water in the heat preservation water tank, so that the device recovers heat from flue gas, and the particles in the flue gas are filtered by the filter screen, and the flue gas is purified by the activated carbon cotton, so that the device recovers heat while treating flue gas, thereby facilitating subsequent treatment of flue gas, and improving the practicability of the device. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a schematic view of the cross-sectional structure of the present application;

[0016] Figure 2 It is a schematic view of the filter screen from the top;

[0017] Figure 3 It is a schematic view of the cross-sectional structure of the purification mechanism of the present application;

[0018] Figure 4 It is a schematic view of the cross-sectional structure of the present application Figure 1 enlarged structure at A.

[0019] In the figure: 1, bottom plate; 2, heat preservation water tank; 3, purification mechanism; 301, purification cylinder; 302, activated carbon cotton; 303, end cover; 304, exhaust pipe; 4, water inlet; 5, water outlet; 6, air inlet pipe; 7, elbow; 8, positioning ring; 9, filter cover; 10, filter screen; 11, limiting arm; 12, clamping sleeve; 13, knob; 14, sleeve; 15, adjusting rod; 16, heat preservation cover. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0021] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: a flue gas waste heat recovery system, including bottom plate 1, heat preservation water tank 2, purification mechanism 3, purification cylinder 301, activated carbon cotton 302, end cover 303, exhaust pipe 304, water inlet 4, water outlet 5, air inlet pipe 6, elbow 7, positioning ring 8, filter cover 9, filter screen 10, limiting arm 11, clamping sleeve 12, knob 13, sleeve 14, adjusting rod 15 and heat preservation cover 16, the upper surface of bottom plate 1 is fixedly installed with heat preservation water tank 2, and the upper surface of bottom plate 1 on the side of heat preservation water tank 2 is provided with purification mechanism 3, and the upper and lower ends of heat preservation water tank 2 are respectively installed with water inlet 4 and water outlet 5, and the upper end of heat preservation water tank 2 on the side of water outlet 5 is fixedly penetrated with air inlet pipe 6, while the surface of heat preservation water tank 2 on the side of air inlet pipe 6 is fixedly penetrated with elbow 7, the upper surface of heat preservation water tank 2 on the side of elbow 7 is fixedly connected with positioning ring 8, and the outer wall of positioning ring 8 is sleeved with filter cover 9, and the inner wall of filter cover 9 is fixedly connected with filter screen 10, and the upper end of limiting arm 11 is rotatably installed on the outer wall of the upper end of heat preservation water tank 2 on the side, the upper end of limiting arm 11 is fixedly connected with sleeve 14, the inner wall of sleeve 14 is movably installed with adjusting rod 15, and the lower end of adjusting rod 15 is rotatably installed with heat preservation cover 16.

[0022] The purification mechanism 3 includes the purification cylinder 301, the activated carbon cotton 302, the end cover 303 and the exhaust pipe 304, and the purification cylinder 301 is fixedly installed on the upper surface of the bottom plate 1, and the inner wall of the purification cylinder 301 is movably connected with the activated carbon cotton 302, and the upper end of the outer wall of the purification cylinder 301 is threadedly installed with the end cover 303, and the side surface of the purification cylinder 301 is provided with the exhaust pipe 304, so as to purify the impurities in the flue gas by the purification mechanism 3.

[0023] The purification cylinder 301 is communicated with the elbow pipe 7, the activated carbon cotton 302 is slidably connected with the purification cylinder 301, and the activated carbon cotton 302 is attached with the end cover 303, so that the user can insert the activated carbon cotton 302 into the purification cylinder 301 and cover the end cover 303, and then rotate the end cover 303 to limit the activated carbon cotton 302, and the smoke is introduced into the purification cylinder 301 through the elbow pipe 7.

[0024] The positioning ring 8 is threadedly arranged with the filter cover 9, and the filter cover 9 is attached with the heat preservation water tank 2, so that the user can rotate the filter cover 9 to disassemble and assemble the filter screen 10, thereby facilitating the user to clean the filter screen 10.

[0025] The limiting arm 11 is fixedly connected with the clamping sleeve 12 on the outer wall of the heat preservation water tank 2, the inner wall of the clamping sleeve 12 is movably installed with the knob 13, the limiting arm 11 and the clamping sleeve 12 are attached, and the knob 13 is threadedly connected with the limiting arm 11 and the clamping sleeve 12, so that the user can rotate the limiting arm 11 to make the limiting arm 11 attached with the clamping sleeve 12, thereby facilitating the user to insert the knob 13 into the limiting arm 11 and rotate the knob 13 to fix the limiting arm 11.

[0026] The sleeve pipe 14 is threadedly arranged with the adjusting rod 15, and the heat preservation cover 16 is attached with the heat preservation water tank 2, so that the user can rotate the adjusting rod 15 to make the adjusting rod 15 move downward relative to the adjusting rod 15, thereby driving the heat preservation cover 16 to move downward to make the heat preservation cover 16 tightly attached with the heat preservation water tank 2, thereby sealing the air inlet pipe 6 and the elbow pipe 7.

[0027] Working principle: when the smoke waste heat recovery system is used, first, as Figures 1-4As shown, the user inserts the activated carbon cotton 302 into the purification cylinder 301, then the user sets the end cover 303 on the purification cylinder 301 and tightens the end cover 303, at this time the end cover 303 is in close contact with the activated carbon cotton 302, thereby completing the installation of the activated carbon cotton 302, next the user sets the filter cover 9 on the positioning ring 8 and tightens the filter cover 9, at this time the filter cover 9 is in close contact with the heat preservation water tank 2, thereby completing the installation of the filter screen 10, then the user rotates the limiting arm 11 relative to the heat preservation water tank 2 so that the limiting arm 11 is attached to the sleeve 12, and then the user inserts the knob 13 into the limiting arm 11 and tightens the knob 13, at this time the knob 13 is inserted into the sleeve 12, thereby completing the fixation of the limiting arm 11, then with the rotation of the limiting arm 11, the limiting arm 11 drives the heat preservation cover 16 to move above the filter cover 9, then the user rotates the adjusting rod 15, next the user rotates the adjusting rod 15, then the adjusting rod 15 moves downward relative to the sleeve 14, and then the adjusting rod 15 drives the heat preservation cover 16 to move downward so that the heat preservation cover 16 is in close contact with the heat preservation water tank 2, at this time the gas outlet end of the air inlet pipe 6 and the filter cover 9 are located inside the heat preservation cover 16, and then the user pours water into the heat preservation water tank 2 through the water inlet 4, and then the user passes the flue gas through the air inlet pipe 6 into the device, then the high-temperature flue gas enters the heat preservation cover 16 through the air inlet pipe 6, and then the flue gas in the heat preservation cover 16 enters the filter screen 10 and enters the elbow pipe 7, and then the flue gas in the elbow pipe 7 enters the purification cylinder 301, and then the flue gas is discharged from the device through the exhaust pipe 304, and in the above process, the flue gas heats the air inlet pipe 6 and the elbow pipe 7, and at the same time, the water in the heat preservation water tank 2 absorbs the heat emitted by the air inlet pipe 6 and the elbow pipe 7, thereby completing the recovery of the heat of the flue gas, and the filter screen 10 filters the particulate impurities in the flue gas, and the activated carbon cotton 302 purifies the flue gas, so that the device is convenient for treating the flue gas when recovering heat, thereby facilitating subsequent treatment of the flue gas, and the practicality of the device is improved, and then the hot water in the device can be discharged through the water outlet 5.

[0028] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A flue gas heat recovery system comprising a floor (1), characterised in that: The upper surface of the bottom plate (1) is fixedly installed with a heat preservation water tank (2), a purification mechanism (3) is arranged on the upper surface of the bottom plate (1) at the side of the heat preservation water tank (2), water inlets (4) and water outlets (5) are respectively installed at the upper and lower ends of the heat preservation water tank (2), a gas inlet pipe (6) penetrates through the upper end of the heat preservation water tank (2) at the side of the water outlet (5), a bend pipe (7) is arranged on the surface of the heat preservation water tank (2) at the side of the gas inlet pipe (6), a positioning ring (8) is fixedly connected to the upper surface of the heat preservation water tank (2) at the side of the bend pipe (7), a filter cover (9) is sleeved on the outer wall of the positioning ring (8), a filter screen (10) is fixedly connected to the inner wall of the filter cover (9), a limiting arm (11) is rotatably installed on the outer wall of the upper end of the heat preservation water tank (2) at the side thereof, a sleeve pipe (14) is fixedly connected to the upper end of the limiting arm (11), an adjusting rod (15) is movably installed on the inner wall of the sleeve pipe (14), and a heat preservation cover (16) is rotatably installed on the lower end of the adjusting rod (15).

2. A flue gas waste heat recovery system according to claim 1, characterised in that: The purification mechanism (3) comprises a purification cylinder (301), activated carbon cotton (302), an end cover (303) and an exhaust pipe (304), the purification cylinder (301) is fixedly installed on the upper surface of the bottom plate (1), the activated carbon cotton (302) is movably connected to the inner wall of the purification cylinder (301), the end cover (303) is threadedly installed on the outer wall of the upper end of the purification cylinder (301), and the exhaust pipe (304) is arranged on the surface of the purification cylinder (301) at the side thereof.

3. A flue gas heat recovery system according to claim 2, wherein: The purification cylinder (301) and the bend pipe (7) are connected, the activated carbon cotton (302) and the purification cylinder (301) are slidably connected, and the activated carbon cotton (302) and the end cover (303) are attached.

4. A flue gas waste heat recovery system according to claim 1, characterized in that: The positioning ring (8) and the filter cover (9) are threadedly arranged, and the filter cover (9) is attached to the heat preservation water tank (2).

5. A flue gas heat recovery system according to claim 1, wherein: The limiting arm (11) is fixedly connected to the outer wall of the heat preservation water tank (2) at the side thereof, the knob (13) is movably installed on the inner wall of the clamping sleeve (12), the limiting arm (11) and the clamping sleeve (12) are attached, and the knob (13) is threadedly connected to the limiting arm (11) and the clamping sleeve (12) respectively.

6. A flue gas heat recovery system according to claim 1, wherein: The sleeve pipe (14) and the adjusting rod (15) are threadedly arranged, and the heat preservation cover (16) is attached to the heat preservation water tank (2).

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