Waste heat recovery device of flue gas treatment equipment

Abstract

The utility model relates to a waste heat recovery device of flue gas treatment equipment. The waste heat recovery device comprises a box body and a partition plate fixedly installed on the inner wall of the box body. The flue gas pipeline is arranged at the bottom of the inner wall of the box body and located at the bottom of the partition plate, water is injected into the water inlet pipe at the top in the box body, flue gas is introduced into the flue gas pipeline, and the flue gas pipeline is arranged to be a coiled pipe at the bottom of the box body, so that the flue gas passes through the box body slowly to the maximum extent, the heat transfer effect in the box body is better, and water in the box body is heated; hot water can be used through the drain valve pipe, the bottom plate with the reserved groove is arranged at the bottom of the box body, gas in the reserved groove is heated by heat generated by the flue gas pipeline, external air is led into the reserved groove through the fan, the reserved groove is arranged to be an S-shaped groove, and more air is stored in the reserved groove, so that the heat utilization rate of the box body is improved. And hot air can be used for drying at the air outlet, and the hot water and hot air dual waste heat recovery effect is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of waste heat recovery equipment, in particular to a waste heat recovery device for flue gas treatment equipment. Background Art

[0002] The waste heat recovery device of flue gas treatment equipment is a device that uses the waste heat in the flue gas to recover energy, improve energy utilization efficiency, reduce energy consumption and environmental pollution. In the existing technology, the waste heat of flue gas is used to heat water alone, lacking a variety of waste heat utilization effects, resulting in a low utilization rate of flue gas waste heat.

[0003] For example, an authorized patent document with application number CN202322054885.0 discloses a flue gas waste heat recovery device, which belongs to the field of flue gas waste heat and includes a furnace body, the bottom surface of which is fixedly connected to a chassis, the inner bottom wall of the furnace body is fixedly inlaid with a bearing, the inner ring of the bearing is fixedly connected to a rotating shaft, the outer surface of the rotating shaft is fixedly connected to three groups of rotating fan blades arranged at equal distances, the interior of the chassis is fixedly connected to a driving motor through a frame, and the mutual cooperation of the rotating shaft and the rotating blades can stir the fuel inside the furnace body, thereby increasing the flue gas waste heat hidden in the fuel, and at the same time can accelerate the air flow rate inside the furnace body, thereby accelerating the flow rate of the flue gas waste heat, so as to achieve the effect of quickly recovering the flue gas waste heat, and through the mutual cooperation of the ventilation pipe, the filter box, the filter plate and the filter cartridge, the recovered flue gas waste heat can be filtered, and the impurities in the flue gas waste heat can be filtered to avoid pollution to the air and the environment when the flue gas waste heat is discharged.

[0004] The above patent has a single method of heating water with flue gas waste heat, lacks diversified waste heat utilization effects, and results in a low utilization rate of flue gas waste heat. Therefore, we need to provide a waste heat recovery device for flue gas treatment equipment. Utility Model Content

[0005] The purpose of the utility model is to provide a waste heat recovery device for flue gas treatment equipment, which injects water into the water inlet pipe on the top of the box body and passes the flue gas into the flue gas duct, and the flue gas duct is arranged as a serpentine pipe at the bottom of the box body, so that the flue gas passes through the box body as slowly as possible, and the heat transfer effect in the box body is better, and the water in the box body is heated. Hot water can be used through a drain valve pipe, and a bottom plate with a reserved groove is arranged at the bottom of the box body. The heat generated by the flue gas duct heats the gas in the reserved groove, and external air is introduced into the reserved groove through a fan. The reserved groove is also arranged as a serpentine groove. More air is stored in the reserved groove, and hot air can be used for drying at the air outlet. It has a dual waste heat recovery effect of hot water and hot air, and solves the problems raised in the above-mentioned background technology.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a waste heat recovery device for flue gas treatment equipment, comprising:

[0007] A box body, and a partition fixedly mounted on the inner wall of the box body;

[0008] A smoke duct arranged at the bottom of the inner wall of the box and at the bottom of the partition;

[0009] A water inlet pipe installed on the top of the box and a drain valve pipe installed on one side of the box;

[0010] A warm air mechanism disposed at the bottom of the box body for generating hot air;

[0011] The warm air mechanism includes a base plate fixedly installed at the bottom of the box body, a reserved groove is opened on the top of the base plate, an air induction member for air intake into the reserved groove is installed at one end of the reserved groove, and the other end of the reserved groove is connected to a closing member for sealing the air outlet.

[0012] Preferably, the air inlet member includes an air inlet frame and a fan, the air inlet end of the reserved groove is connected to the air inlet frame, and two fans are embedded in the air inlet frame.

[0013] Preferably, the closing member includes an air outlet frame, a rotating rod, blades, gears and racks. The air outlet end of the reserved groove is connected to the air outlet frame, and three rotating rods are rotatably installed inside the air outlet frame. Blades are fixedly installed on the surfaces of the three rotating rods, and the upper ends of the three rotating rods pass through the top of the air outlet frame and are installed with gears, and racks are installed on one side of the three gears.

[0014] Preferably, a protective cover is fixedly mounted on the top of the air outlet frame, a shift plate is fixedly mounted on the top of the rack, and the top of the shift plate passes through the groove at the top of the protective cover and extends.

[0015] Preferably, a slide bar is fixedly installed inside the protective cover, and the surface of the slide bar is slidably installed inside the rack.

[0016] Preferably, a heat transfer plate is embedded in the bottom of the box body, and the heat transfer plate is arranged on the top of the reserved groove.

[0017] Preferably, temperature sensors are provided inside the box and inside the reserved groove, and a display panel electrically connected to the temperature sensor is installed on the surface of the box.

[0018] Compared with the prior art, the beneficial effects of the utility model are:

[0019] The utility model injects water into the water inlet pipe on the top of the box body, and passes the smoke into the smoke duct, and the smoke duct is arranged as a serpentine pipe at the bottom of the box body, so that the smoke passes through the box body as slowly as possible, has a better heat transfer effect in the box body, heats the water in the box body, and hot water can be used through the drain valve pipe. A bottom plate with a reserved groove is arranged at the bottom of the box body. The heat generated by the smoke duct heats the gas in the reserved groove, and external air is introduced into the reserved groove through a fan. The reserved groove is also arranged as a serpentine groove. More air is stored in the reserved groove, and hot air can be used for drying at the air outlet, which has a dual waste heat recovery effect of hot water and hot air. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional schematic diagram of the structure of the utility model;

[0021] Figure 2 It is a three-dimensional diagram of the warm air mechanism of the utility model;

[0022] Figure 3 This is a three-dimensional diagram of the smoke duct of the utility model;

[0023] Figure 4 This is a three-dimensional diagram of the air induction member of the utility model;

[0024] Figure 5 It is a three-dimensional diagram of the closure member of the present utility model.

[0025] In the figure: 1. box body; 2. partition; 3. flue gas duct; 4. water inlet pipe; 5. drain valve pipe; 6. warm air mechanism; 61. bottom plate; 62. reserved groove; 63. air induction member; 631. air inlet frame; 632. fan; 64. closing member; 641. air outlet frame; 642. rotating rod; 643. blade; 644. gear; 645. rack; 7. protective cover; 8. dial plate; 9. slide rod; 10. heat transfer plate; 11. temperature sensor; 12. display board. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] See also Figure 1-5 The utility model provides a technical solution: a waste heat recovery device for flue gas treatment equipment, comprising:

[0028] A box body 1, and a partition plate 2 fixedly mounted on the inner wall of the box body 1;

[0029] A smoke duct 3 is arranged at the bottom of the inner wall of the box body 1 and located at the bottom of the partition 2;

[0030] A water inlet pipe 4 installed on the top of the box body 1 and a drain valve pipe 5 on one side of the box body 1;

[0031] A warm air mechanism 6 is provided at the bottom of the box body 1 for generating hot air;

[0032] The warm air mechanism 6 includes a bottom plate 61 fixedly mounted on the bottom of the box body 1, a reserved groove 62 is provided on the top of the bottom plate 61, an air induction member 63 for air intake into the reserved groove 62 is installed at one end of the reserved groove 62, and a closing member 64 for sealing the air outlet is connected to the other end of the reserved groove 62.

[0033] The air induction member 63 includes an air inlet frame 631 and a fan 632. The air inlet end of the reserved groove 62 is connected to the air inlet frame 631. Two fans 632 are embedded in the air inlet frame 631.

[0034] In this embodiment, water is injected into the water inlet pipe 4 at the top of the box body 1, and the smoke is passed into the smoke duct 3, and the smoke duct 3 is set as a serpentine pipe at the bottom of the box body 1, so that the smoke passes through the box body 1 as slowly as possible, the heat transfer effect in the box body 1 is better, the water in the box body 1 is heated, and hot water can be used through the drain valve pipe 5. A bottom plate 61 with a reserved groove 62 is set at the bottom of the box body 1. The heat generated by the smoke duct 3 heats the gas in the reserved groove 62, and the outside air is introduced into the reserved groove 62 through the fan 632. Similarly, the reserved groove 62 is set as a serpentine groove. More air is stored in the reserved groove 62, and hot air can be used for drying at the air outlet, which has a dual waste heat recovery effect of hot water and hot air.

[0035] The closing member 64 includes an air outlet frame 641, a rotating rod 642, blades 643, a gear 644 and a rack 645. The air outlet end of the reserved groove 62 is connected to the air outlet frame 641. Three rotating rods 642 are rotatably installed inside the air outlet frame 641. The surfaces of the three rotating rods 642 are fixedly installed with blades 643. The upper ends of the three rotating rods 642 pass through the top of the air outlet frame 641 and are installed with gears 644. One side of the three gears 644 is installed with racks 645.

[0036] Specifically, the three gears 644 are driven to rotate by moving the rack 645, thereby controlling the rotation of the rotating rod 642 and the three blades 643, so that the air outlet frame 641 can be closed and the air outlet direction can be adjusted.

[0037] A protective cover 7 is fixedly installed on the top of the air outlet frame 641, and a dial plate 8 is fixedly installed on the top of the rack 645. The top of the dial plate 8 passes through the groove at the top of the protective cover 7 and extends;

[0038] It is worth noting that the protective cover 7 is arranged above the three gears 644 to provide a better protective effect, and the shift plate 8 is arranged inside the protective cover 7 to facilitate the movement and adjustment of the rack 645.

[0039] A slide bar 9 is fixedly installed inside the protective cover 7, and the surface of the slide bar 9 is slidably installed inside the rack 645;

[0040] Specifically, by moving the rack 645 to slide on the slide rod 9, the guidance of the movement of the rack 645 is enhanced, and at the same time, the paddle plate 8 slides in the groove of the protective cover 7 to have a limiting function.

[0041] A heat transfer plate 10 is embedded in the bottom of the box body 1, and the heat transfer plate 10 is arranged on the top of the reserved groove 62;

[0042] Specifically, a heat transfer plate 10 is disposed at the bottom of the box body 1 so that the heat generated by the smoke duct 3 is transferred to the reserved groove 62 to reduce the heat loss and improve the heat conversion rate.

[0043] A temperature sensor 11 is disposed inside the box body 1 and inside the reserved groove 62, and a display panel 12 electrically connected to the temperature sensor 11 is mounted on the surface of the box body 1;

[0044] Furthermore, a temperature sensor 11 is installed in the reserved groove 62 and in the box body 1, and the temperature can be displayed on the display panel 12 for easy observation.

[0045] The device injects water into the water inlet pipe 4 at the top of the box body 1, and passes the smoke into the smoke duct 3, and the smoke duct 3 is set as a serpentine pipe at the bottom of the box body 1, so that the smoke passes through the box body 1 as slowly as possible, the heat transfer effect in the box body 1 is better, the water in the box body 1 is heated, and hot water can be used through the drain valve pipe 5. A bottom plate 61 with a reserved groove 62 is set at the bottom of the box body 1. The heat generated by the smoke duct 3 heats the gas in the reserved groove 62, and external air is introduced into the reserved groove 62 through the fan 632. Similarly, the reserved groove 62 is set as a serpentine groove. More air is stored in the reserved groove 62, and hot air can be used for drying at the air outlet, which has a dual waste heat recovery effect of hot water and hot air.

[0046] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A waste heat recovery device for flue gas treatment equipment, characterized in that: include: A box body (1), and a partition plate (2) fixedly mounted on the inner wall of the box body (1); A smoke duct (3) arranged at the bottom of the inner wall of the box body (1) and located at the bottom of the partition (2); A water inlet pipe (4) installed on the top of the box (1) and a water discharge valve pipe (5) installed on one side of the box (1); A warm air mechanism (6) disposed at the bottom of the box (1) for generating hot air; The warm air mechanism (6) comprises a bottom plate (61) fixedly mounted on the bottom of the box body (1); a reserved groove (62) is provided on the top of the bottom plate (61); an air induction member (63) for introducing air into the reserved groove (62) is installed at one end of the reserved groove (62); and a closing member (64) for sealing the air outlet is connected to the other end of the reserved groove (62).

2. The waste heat recovery device for flue gas treatment equipment according to claim 1, characterized in that: The air induction member (63) comprises an air inlet frame (631) and a fan (632); the air inlet end of the reserved groove (62) is connected to the air inlet frame (631), and two fans (632) are embedded inside the air inlet frame (631).

3. A waste heat recovery device for flue gas treatment equipment according to claim 2, characterized in that: The closing member (64) comprises an air outlet frame (641), a rotating rod (642), blades (643), a gear (644) and a rack (645); the air outlet end of the reserved groove (62) is connected to the air outlet frame (641); three rotating rods (642) are rotatably mounted inside the air outlet frame (641); blades (643) are fixedly mounted on the surfaces of the three rotating rods (642); the upper ends of the three rotating rods (642) pass through the top of the air outlet frame (641) and are mounted with gears (644); and racks (645) are mounted on one side of the three gears (644).

4. The waste heat recovery device for flue gas treatment equipment according to claim 3, characterized in that: A protective cover (7) is fixedly mounted on the top of the air outlet frame (641), and a shift plate (8) is fixedly mounted on the top of the rack (645), wherein the top of the shift plate (8) passes through the groove at the top of the protective cover (7) and extends.

5. The waste heat recovery device for flue gas treatment equipment according to claim 4, characterized in that: A sliding rod (9) is fixedly installed inside the protective cover (7), and the surface of the sliding rod (9) is slidably installed inside the rack (645).

6. The waste heat recovery device for flue gas treatment equipment according to claim 1, characterized in that: A heat transfer plate (10) is embedded in the bottom of the box body (1), and the heat transfer plate (10) is arranged on the top of the reserved groove (62).

7. The waste heat recovery device for flue gas treatment equipment according to claim 1, characterized in that: Temperature sensors (11) are provided inside the box (1) and inside the reserved groove (62), and a display panel (12) electrically connected to the temperature sensor (11) is installed on the surface of the box (1).

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