CN210373510U

CN210373510U - Anti-scaling type waste heat recovery system

Info

Publication number: CN210373510U
Application number: CN201920714831.3U
Authority: CN
Inventors: 何福成
Original assignee: Hubei Solide Compressor Co ltd
Current assignee: Hubei Solide Compressor Co ltd
Priority date: 2019-05-19
Filing date: 2019-05-19
Publication date: 2020-04-21
Anticipated expiration: 2029-05-19

Abstract

The utility model discloses an anti scale type waste heat recovery system, including heat transfer case and boiler, be equipped with the heat exchange tube in the heat transfer case, the exhaust pipe intercommunication of intake pipe and boiler is passed through to the one end of heat exchange tube, be equipped with the scale removal mechanism who is used for the pipe wall scale control in the intake pipe, the other end of heat exchange tube runs through the heat transfer case and communicates and has the outlet duct, one side of heat transfer case has the hot water piece through the fixed intercommunication of hot-water line, the outlet end of hot water piece has the water storage box through the fixed intercommunication of cold water pipe, the water storage box passes through water pump and heat transfer case intercommunication. The utility model discloses a set up heat transfer case and hot water piece and can retrieve the waste heat of the interior hot flue gas of boiler, heat the hot water piece, the effectual utilization ratio that improves the energy removes dust to the flue gas through the dust remover, avoids causing the pollution to the environment, can strike off the smoke and dust debris of adhesion on the admission pipe inner wall through setting up fan and scraper blade, prevents that the problem of jam from taking place, and the practicality is high, is favorable to going on of continuation of production.

Description

Anti-scaling type waste heat recovery system

Technical Field

The utility model relates to a waste heat recovery technical field especially relates to an anti scale type waste heat recovery system.

Background

The social and economic development of energy is important material conditions, along with the development and progress of the society, the low-carbon concept of people is increasingly enhanced, and the improvement of the utilization rate of energy is a key link for energy conservation and emission reduction, so that the recovery of waste heat has important significance. The waste heat refers to sensible heat and latent heat which are not reasonably utilized in the original design in the put-into-operation industrial energy consumption device due to the limitations of history, technology, concept and the like. At the present stage, research on recycling of waste heat is gradually implemented from industries with large energy consumption, such as chemical industry, steel and the like, a certain waste heat recycling scale is formed at present, and waste heat recycling becomes an important means for energy conservation and consumption reduction of enterprises.

In chemical production, a boiler is an indispensable device, and boiler heat supply is an important means for accelerating the reaction rate of reactants and improving the production efficiency. The heat utilization rate of the coal combustion in the boiler is low, and a part of heat is discharged along with the flue gas after combustion, so that a large amount of energy is wasted, the production cost is improved, and the environment is polluted; when the boiler flue gas is conveyed, sundry particles in the flue gas are easy to adhere to the inner wall of the exhaust pipe and are difficult to remove, and the problem of exhaust pipe blockage can be caused after long accumulation, so that the continuous production is not facilitated.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the boiler waste heat can not be recovered in the prior art, and providing an anti-scaling waste heat recovery system with strong practicability.

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

the utility model provides an anti scale type waste heat recovery system, includes heat transfer case and boiler, be equipped with the heat exchange tube in the heat transfer case, the exhaust pipe intercommunication of intake pipe and boiler is passed through to the one end of heat exchange tube, be equipped with the scale removal mechanism who is used for the pipe wall scale control in the intake pipe, the other end of heat exchange tube runs through the heat transfer case and is connected with the outlet duct, one side of heat transfer case has the hot water piece through the fixed intercommunication of hot-water line, the outlet end of hot water piece has the water storage box through the fixed intercommunication of cold water pipe, the water storage box passes through water pump and heat.

Preferably, the exhaust end of the air outlet pipe is provided with a dust remover.

Preferably, the heat exchange tube is spirally coiled in the heat exchange box and is a copper tube, and fluorocarbon metallic paint is coated on the inner side wall of the copper tube.

Preferably, the descaling mechanism is including setting up the fan in the intake pipe, the one end fixedly connected with scraper blade of center pin is kept away from to the flabellum of fan, scraper blade copper pipe stop gear rotates with the inside wall of intake pipe to be connected.

Preferably, stop gear includes two spacing rings of fixed connection on the intake pipe inside wall, the scraper blade sets up between two spacing rings.

Compared with the prior art, the utility model discloses possess following advantage:

1. the utility model discloses a set up heat transfer case and hot water piece and can retrieve the waste heat of the interior hot flue gas of boiler, heat the hot water piece, the effectual utilization ratio that improves the energy removes dust to the flue gas through the dust remover, avoids causing the pollution to the environment.

2. The utility model discloses a set up fan and scraper blade and can strike off the smoke and dust debris of adhesion on the inlet duct inner wall, prevent that the problem of jam from taking place, the practicality is high, is favorable to going on of production.

To sum up, the utility model discloses a set up heat transfer case and hot water piece and can retrieve the waste heat of the interior hot flue gas of boiler, heat the hot water piece, the effectual utilization ratio that improves the energy removes dust to the flue gas through the dust remover, avoids causing the pollution to the environment, can strike off the smoke and dust debris of adhesion on the intake pipe inner wall through setting up fan and scraper blade, prevents that the problem of jam from taking place, and the practicality is high, is favorable to going on of production continuation.

Drawings

FIG. 1 is a schematic structural view of an anti-scaling waste heat recovery system provided by the present invention;

fig. 2 is the utility model provides an internal structure schematic diagram of intake pipe among scale control type waste heat recovery system.

In the figure: the system comprises a heat exchange box 1, a boiler 2, heat exchange tubes 3, an air inlet tube 4, an air outlet tube 5, a hot water sheet 6, a hot water tube 7, a cold water tube 8, a water storage box 9, a water pump 10, a dust remover 11, a fan 12, a scraper 13 and a limiting ring 14.

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 those 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 thus, should not be construed as limiting the present invention.

Referring to fig. 1-2, an anti-scaling waste heat recovery system comprises a heat exchange box 1 and a boiler 2, wherein a heat exchange tube 3 is arranged in the heat exchange box 1, the heat exchange tube 3 is spirally coiled in the heat exchange box 1, the heat exchange tube 3 is a copper tube, the heat conductivity of the copper tube is good, fluorocarbon metal paint is coated on the inner side wall of the copper tube, the anti-scaling waste heat recovery system has good high temperature resistance and corrosion resistance, and one end of the heat exchange tube 3 is communicated with a smoke exhaust tube of the boiler 2 through an air inlet tube 4.

The utility model discloses in, be equipped with the descaling mechanism that is used for the pipe wall scale control in the intake pipe 4, need explain, descaling mechanism is including setting up fan 12 in intake pipe 4, the one end fixedly connected with scraper blade 13 of center pin is kept away from to fan 12's flabellum, scraper blade 13 copper pipe stop gear is connected with intake pipe 4's inside wall rotation, can strike off the smoke and dust debris of adhesion on the 4 inner walls of intake pipe, prevent that the problem of jam from taking place, the practicality is high, be favorable to going on of production continuation, need explain, stop mechanism includes two spacing rings 14 of fixed connection on the 4 inside walls of intake pipe, scraper blade 13 sets up between two spacing rings 14.

The utility model discloses in, the other end of heat exchange tube 3 runs through heat transfer case 1 and communicates there is outlet duct 5, it needs to notice, the exhaust end of outlet duct 5 is equipped with dust remover 11, the model of dust remover 11 is MC-II, remove dust to the flue gas through dust remover 11, avoid causing the pollution to the environment, one side of heat transfer case 1 is through the fixed intercommunication of hot-water line 7 has hot water piece 6, hot water piece 6 can set up in office or staff's dormitory, can retrieve the waste heat of hot flue gas in the boiler 2, heat hot water piece 6, replace the air conditioner in cold weather, the effectual utilization ratio that improves the energy, the outlet end of hot water piece 6 is through the fixed intercommunication of cold water pipe 8 has water storage box 9, water storage box 9 passes through water pump 10 and communicates with heat transfer case 1, water pump 10's model is 350 QZ-70D.

The utility model discloses its functional principle is explained to following mode of operation of accessible: the utility model discloses during the use, flue gas after the coal burning in the boiler 2 gets into heat exchange tube 3 through intake pipe 4, heat the back to the water in the heat exchange box 1, discharge by outlet duct 5, and remove dust through dust remover 11, avoid causing the pollution to the environment, water in the heat exchange box 1 is heated the back and is passed through hot-water line 7 in hot-water fin 6 through hot-water fin 6, hot-water fin 6 can set up in office or staff's dormitory, can retrieve the waste heat of hot flue gas in the boiler 2, heat hot-water fin 6, replace the air conditioner in cold day, the utilization ratio of the effectual energy that has improved, water in hot-water fin 6 gets into retaining through cold water pipe 8 and to 9 in, take out the water in the water storage box to heat exchange box 1 by water pump 10 again and continue to heat, cyclic utilization;

in boiler 2 interior coal burning flue gas passed through intake pipe 4, the flue gas flows and drives fan 12 and rotate, drives scraper blade 13 and rotates then, strikes off the smoke and dust debris of adhesion on the intake pipe 4 inner wall, prevents that the problem of jam from taking place, and the practicality is high, is favorable to going on of production continuation.

The 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 utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an anti scale type waste heat recovery system, includes heat transfer case (1) and boiler (2), its characterized in that, be equipped with heat exchange tube (3) in heat transfer case (1), the exhaust pipe intercommunication of intake pipe (4) and boiler (2) is passed through to the one end of heat exchange tube (3), be equipped with the scale removal mechanism that is used for the pipe wall scale control in intake pipe (4), the other end of heat exchange tube (3) runs through heat transfer case (1) and communicates there is outlet duct (5), one side of heat transfer case (1) is through the fixed intercommunication of hot-water line (7) have hot water piece (6), the outlet end of hot-water piece (6) is through the fixed intercommunication of cold water pipe (8) has water storage box (9), water storage box (9) are through water pump (10) and heat transfer case (1) intercommunication.

2. An antiscaling waste heat recovery system according to claim 1, wherein the exhaust end of the outlet duct (5) is provided with a dust separator (11).

3. The anti-scaling waste heat recovery system according to claim 1, wherein the heat exchange tubes (3) are spirally coiled in the heat exchange box (1), the heat exchange tubes (3) are copper tubes, and the inner side walls of the copper tubes are coated with fluorocarbon metal paint.

4. The anti-scaling waste heat recovery system according to claim 1, wherein the scaling mechanism comprises a fan (12) arranged in the air inlet pipe (4), a scraper (13) is fixedly connected to one end, away from the central shaft, of a fan blade of the fan (12), and a copper pipe limiting mechanism of the scraper (13) is rotatably connected to the inner side wall of the air inlet pipe (4).

5. An antiscaling waste heat recovery system according to claim 4, wherein the limiting mechanism comprises two limiting rings (14) fixedly connected to the inner side wall of the air inlet pipe (4), and the scraper (13) is arranged between the two limiting rings (14).