CN210035458U

CN210035458U - High-efficient recycle device of boiler waste heat

Info

Publication number: CN210035458U
Application number: CN201920814895.0U
Authority: CN
Inventors: 乔林
Original assignee: Derun Xinding (beijing) Engineering Technology Co Ltd
Current assignee: Derun Xinding (beijing) Engineering Technology Co Ltd
Priority date: 2019-05-31
Filing date: 2019-05-31
Publication date: 2020-02-07
Anticipated expiration: 2029-05-31

Abstract

The utility model discloses a high-efficient recovery cyclic utilization device of boiler waste heat, including boiler, ion exchanger, softened water tank, chimney, be equipped with the filler pipe on the boiler, be connected with heat transfer mechanism on the filler pipe, the softened water tank is connected in heat transfer mechanism, ion exchanger connects on the softened water tank, be equipped with the pipe of discharging fume on the boiler, the pipe of discharging fume is connected with heat transfer mechanism, the chimney is connected in heat transfer mechanism. The utility model discloses can pass through heat transfer mechanism with the heat in the boiler flue gas and utilize, give the boiler moisturizing with the heat transfer, preheat the moisturizing that gets into the boiler and heat up, reduce the fuel energy consumption of boiler.

Description

High-efficient recycle device of boiler waste heat

Technical Field

The utility model relates to a boiler technical field especially relates to a high-efficient recovery cyclic utilization device of boiler waste heat.

Background

The boiler is an energy conversion device, the energy input to the boiler comprises chemical energy and electric energy in fuel, the boiler outputs steam, high-temperature water or an organic heat carrier with certain heat energy, the hot water or the steam generated in the boiler can directly provide heat energy for industrial production and people life, the hot water or the steam can be converted into mechanical energy through a steam power device, or the mechanical energy is converted into the electric energy through a generator, the boiler for providing hot water is called a hot water boiler, is mainly used for life, and has a small amount of application in industrial production.

However, the exhaust gas temperature of the existing boiler during operation can reach about 180 ℃, and the exhaust gas is directly discharged to the atmosphere, so that the heat carried by the boiler is wasted, and the heat in the exhaust gas is wasted and lost, therefore, a boiler waste heat efficient recycling device is needed to be designed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a high-efficiency recycling device for the waste heat of a boiler.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a high-efficient recovery cyclic utilization device of boiler waste heat, includes boiler, ion exchanger, softened water tank, chimney, be equipped with the filler pipe on the boiler, be connected with heat transfer mechanism on the filler pipe, the softened water tank is connected in heat transfer mechanism, ion exchanger connects on the softened water tank, be equipped with the pipe of discharging fume on the boiler, the pipe of discharging fume is connected with heat transfer mechanism, the chimney is connected in heat transfer mechanism.

Preferably, heat transfer mechanism includes the heat transfer case, it advances the pipe to be equipped with the flue gas on the heat transfer case, the flue gas advances the pipe and passes through the conveyer pipe intercommunication with the pipe of discharging fume, be equipped with the flue gas exit tube on the heat transfer case, and the flue gas exit tube is connected with the chimney, be equipped with inlet tube, moisturizing pipe on the heat transfer case, inlet tube and moisturizing pipe respectively with the softened water tank, add water piping connection, be equipped with the baffle in the heat transfer case, the equipment chamber and the heat transfer chamber that set up about the baffle separates heat transfer incasement portion into, be equipped with heat transfer structure in the heat transfer chamber, the equipment intracavity is equipped with the drive.

Preferably, the heat transfer structure is including setting up the coiled pipe in the heat transfer intracavity, the upper and lower both ends of coiled pipe are connected with commentaries on classics pipe, downthehole pipe respectively, and go up the commentaries on classics pipe and run through the baffle and rotate rather than being connected, and downthehole pipe runs through heat transfer intracavity diapire and rotates rather than being connected, down the commentaries on classics pipe and flue gas exit tube connection.

Preferably, the drive structure includes the spiral case of fixed connection on equipment intracavity wall, be equipped with the impeller in the spiral case, the both ends of spiral case are equipped with air inlet, gas outlet respectively, and the air inlet advances union coupling with the flue gas, the gas outlet passes through rotary joint with last runner to be connected, spiral case and fixedly connected with connecting axle are run through to the one end of impeller, the other end fixedly connected with second gear of connecting axle, it has first gear to go up the fixed cover of having connect on the runner, and first gear and second gear meshing.

Preferably, the surfaces of the coiled pipes are uniformly distributed with heat exchange fins.

The utility model has the advantages that:

through setting up heat transfer mechanism, when moisturizing in to the boiler, make-up water is in getting into the boiler through the heat transfer case, the flue gas of boiler passes through air inlet input spiral case, blow to its rotation of impeller drive, the flue gas passes through in getting into the coiled pipe through the gas outlet, get into the chimney from the flue gas exit tube again, it is through the time of in the coiled pipe to contain hot flue gas, can exchange the heat out, moisturizing to the heat transfer incasement preheats, and during the impeller rotates, drive the second gear and rotate, and then the drive is gone up the coil and is rotated, can drive the coiled pipe and rotate in the moisturizing of heat transfer incasement, further improve heat exchange efficiency, make the moisturizing can heat up more fast, and the efficiency is improved.

Drawings

Fig. 1 is a schematic structural view of a boiler waste heat efficient recycling device provided by the present invention;

fig. 2 is the utility model provides a high-efficient recovery cyclic utilization device heat transfer mechanism's of boiler waste heat structural schematic diagram.

In the figure: the device comprises a boiler 1, a gas inlet 2, a water supplementing pipe 3, a flue gas inlet pipe 4, a flue gas outlet pipe 5, a heat exchange box 6, a water inlet pipe 7, an ion exchanger 8, a soft water tank 9, a delivery pipe 10, a water adding pipe 11, a smoke exhaust pipe 12, a chimney 13, a blast air inlet 14, an upper rotating pipe 15, a partition plate 16, a first gear 17, an air outlet 18, a volute 19, an impeller 20, an air inlet 21, a connecting shaft 22, a second gear 23, a coiled pipe 24 and a lower rotating pipe 25.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-2, a high-efficient recovery cyclic utilization device of boiler waste heat, including boiler 1, ion exchanger 8, softened water tank 9, chimney 13, is equipped with filler pipe 11 on the boiler 1, is connected with heat transfer mechanism on the filler pipe 11, and softened water tank 9 is connected on heat transfer mechanism, and ion exchanger 8 is connected on softened water tank 9, is equipped with exhaust pipe 12 on the boiler 1, and exhaust pipe 12 is connected with heat transfer mechanism, and chimney 13 is connected on heat transfer mechanism.

The utility model discloses in, heat transfer mechanism includes heat transfer case 6, it advances pipe 4 to be equipped with the flue gas on heat transfer case 6, the flue gas advances pipe 4 and discharges fume 12 and pass through conveyer pipe 10 intercommunication, be equipped with flue gas exit tube 5 on heat transfer case 6, and flue gas exit tube 5 is connected with chimney 13, be equipped with inlet tube 7 on heat transfer case 6, moisturizing pipe 3, inlet tube 7 and moisturizing pipe 3 respectively with soft water tank 9, watering pipe 11 is connected, be equipped with baffle 16 in the heat transfer case 6, the equipment chamber and the heat transfer chamber that set up about baffle 16 separates heat transfer case 6 internal partitioning, be equipped with heat transfer structure in the heat transfer chamber, the equipment intracavity is equipped with the drive structure who is used for.

Wherein, heat transfer structure is including setting up the coiled pipe 24 in the heat transfer intracavity, and the upper and lower both ends of coiled pipe 24 are connected with respectively and change pipe 15, downthehole pipe 25 down, and go up pipe 15 and run through baffle 16 and rotate rather than being connected, and downthehole pipe 25 runs through heat transfer intracavity diapire and rotates rather than being connected, goes up pipe 15, down changes pipe 25 and all has cup jointed sealed bearing and rotates, changes pipe 25 down and is connected with flue gas exit tube 5.

Wherein, the drive structure includes spiral case 19 of fixed connection on the equipment intracavity wall, is equipped with impeller 20 in the spiral case 19, and the both ends of spiral case 19 are equipped with air inlet 21, gas outlet 18 respectively, and air inlet 21 advances the pipe 4 with the flue gas and be connected, and gas outlet 18 passes through rotary joint with last rotary joint of pipe 15 and is connected, and spiral case 19 and fixedly connected with connecting axle 22 are run through to the one end of impeller 20, and the other end fixedly connected with second gear 23 of connecting axle 22, and it has first gear 17 to overlap fixedly to connect on going up rotary joint 15, and first gear 17 and the meshing of second gear 23.

Furthermore, the surface of the coiled pipe 24 is uniformly distributed with heat exchange sheets, so that the heat exchange area is increased, and the heat exchange efficiency is improved.

The utility model discloses during the use, when moisturizing in to boiler 1, make-up water is in getting into boiler 1 through heat transfer case 6, boiler 1's flue gas passes through air inlet 21 input spiral case 19, blow to its rotation of impeller 20 drive, the flue gas passes through in 18 entering serpentine pipe 24 of gas outlet, get into chimney 13 from flue gas exit tube 5 again, hot flue gas is through in serpentine pipe 24, can exchange the heat out, moisturizing to in the heat transfer case 6 preheats, and when impeller 20 rotates, drive second gear 23 and rotate, and then change 15 rotations in the drive, can drive serpentine pipe 24 and rotate in the moisturizing of heat transfer case 6, further improve heat exchange efficiency, make the moisturizing can heat up more fast, and the efficiency is improved.

Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a high-efficient recovery cyclic utilization device of boiler waste heat, includes boiler (1), ion exchanger (8), softened water tank (9), chimney (13), its characterized in that, be equipped with filler pipe (11) on boiler (1), be connected with heat transfer mechanism on filler pipe (11), softened water tank (9) are connected in heat transfer mechanism, ion exchanger (8) are connected on softened water tank (9), be equipped with on boiler (1) and discharge fume pipe (12), discharge fume pipe (12) and heat transfer mechanism are connected, chimney (13) are connected in heat transfer mechanism.

2. The efficient recycling device for the boiler waste heat according to claim 1, the heat exchange mechanism comprises a heat exchange box (6), a flue gas inlet pipe (4) is arranged on the heat exchange box (6), the flue gas inlet pipe (4) is communicated with the smoke exhaust pipe (12) through a conveying pipe (10), the heat exchange box (6) is provided with a flue gas outlet pipe (5), and the flue gas outlet pipe (5) is connected with a chimney (13), a water inlet pipe (7) and a water replenishing pipe (3) are arranged on the heat exchange box (6), the water inlet pipe (7) and the water replenishing pipe (3) are respectively connected with the soft water tank (9) and the water adding pipe (11), a clapboard (16) is arranged in the heat exchange box (6), the clapboard (16) divides the interior of the heat exchange box (6) into an equipment cavity and a heat exchange cavity which are arranged up and down, the heat exchange cavity is internally provided with a heat exchange structure, and the equipment cavity is internally provided with a driving structure for driving the heat exchange structure.

3. The device for recycling the waste heat of the boiler as recited in claim 2, wherein the heat exchange structure comprises a coiled pipe (24) disposed in the heat exchange cavity, the upper end and the lower end of the coiled pipe (24) are respectively connected with an upper rotating pipe (15) and a lower rotating pipe (25), the upper rotating pipe (15) penetrates through the partition plate (16) and is rotatably connected with the partition plate, the lower rotating pipe (25) penetrates through the bottom wall of the heat exchange cavity and is rotatably connected with the bottom wall, and the lower rotating pipe (25) is connected with the flue gas outlet pipe (5).

4. The efficient recycling device for the boiler waste heat according to claim 3, wherein the driving structure comprises a volute (19) fixedly connected to the inner wall of the equipment cavity, an impeller (20) is arranged in the volute (19), an air inlet (21) and an air outlet (18) are respectively arranged at two ends of the volute (19), the air inlet (21) is connected with the flue gas inlet pipe (4), the air outlet (18) is connected with the upper rotating pipe (15) through a rotary joint, one end of the impeller (20) penetrates through the volute (19) and is fixedly connected with a connecting shaft (22), the other end of the connecting shaft (22) is fixedly connected with a second gear (23), the upper rotating pipe (15) is fixedly connected with a first gear (17), and the first gear (17) is meshed with the second gear (23).

5. The device for recycling the waste heat of the boiler efficiently as claimed in claim 3, wherein the serpentine tube (24) has heat exchange fins uniformly distributed on the surface.