CN210291833U - Boiler flue gas recycling equipment for artificial board factory - Google Patents
Boiler flue gas recycling equipment for artificial board factory Download PDFInfo
- Publication number
- CN210291833U CN210291833U CN201921065674.4U CN201921065674U CN210291833U CN 210291833 U CN210291833 U CN 210291833U CN 201921065674 U CN201921065674 U CN 201921065674U CN 210291833 U CN210291833 U CN 210291833U
- Authority
- CN
- China
- Prior art keywords
- flue gas
- pipe
- section
- water tank
- communicated
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses an equipment is recycled to wood-based plate factory boiler flue gas, include: the first end of the preheating water tank is provided with a water inlet, the second end of the preheating water tank is provided with a water outlet, and the water outlet is communicated with the boiler; the smoke exhaust pipe is formed by connecting three sections of pipes; the first section of pipe is communicated with a smoke outlet of the boiler; the second section of pipe is communicated with the first section of pipe and is arranged in the accommodating space in a vertically zigzag wave-shaped structure, the second section of pipe is provided with an upper zigzag part and a lower zigzag part, the lower zigzag part extends out of the preheating water tank, the lower zigzag part is provided with an ash removal opening, and the ash removal opening is provided with a cover body for sealing; the third section of pipe is communicated with the second section of pipe and is used for exhausting flue gas; and the rectifying device is arranged in the lower bent part and used for stabilizing the smoke airflow. The utility model discloses to discharge fume the pipe and set to the wavy structure setting of upper and lower tortuous, wherein the outside of preheating water tank is worn out and is provided with the deashing mouth to the portion of meandering down, opens the lid on the deashing mouth and just can the deashing, has avoided cigarette ash to influence heat exchange efficiency.
Description
Technical Field
The utility model relates to an wood-based plate production facility technical field, more specifically say, the utility model relates to a wood-based plate factory boiler flue gas equipment of recycling.
Background
The artificial board factory utilizes a boiler to heat to generate steam to supply energy to a production line, and wood powder, wood peel and wood leftover materials are important fuels of the boiler. In order to reduce cost, part of artificial board factories do not recycle boiler flue gas, the flue gas is directly discharged after reaching the discharge standard, and the flue gas takes away a large amount of heat sources, thereby causing waste. And part of artificial board factories preheat water by using boiler flue gas, so that better effect is achieved by using flue gas waste heat.
However, the existing equipment for utilizing the waste heat of the boiler flue gas in the artificial board factory has the following problems: firstly, the boiler of the artificial board factory takes wood powder and the like as fuels, the dust in the smoke is very much, and the dust is adhered to the inner wall of the smoke exhaust pipe and cannot be cleaned in time, so that the heat cannot quickly penetrate through the smoke exhaust pipe to exchange heat with water, the heat exchange efficiency is reduced, and the waste heat of the smoke cannot be efficiently utilized; secondly, the flow speed of the boiler flue gas in the smoke exhaust pipe is fast and not stable enough, so that the heat exchange time of the flue gas and water is short and not stable enough, and the residual heat in the flue gas is discharged after being not fully utilized.
Therefore, it is necessary to design a recycling device for boiler flue gas in artificial board factory, which is convenient for removing ash in the flue gas pipe and increasing the heat exchange time.
SUMMERY OF THE UTILITY MODEL
It is an object of the present invention to address at least the above-mentioned deficiencies and to provide at least the advantages which will be explained later.
Another object of the utility model is to provide an artificial board factory boiler flue gas equipment of recycling convenient to carry out the deashing and increase heat exchange time to the inside of discharging fume pipe.
In order to realize according to the utility model discloses these purposes and other advantages, the utility model provides an equipment is recycled to wood-based plate factory boiler flue gas, wherein, include:
the preheating water tank is internally provided with an accommodating space, a first end of the preheating water tank is provided with a water inlet for introducing cold water, a second end of the preheating water tank is provided with a water outlet, the water outlet is communicated with the boiler through a pipeline, and water preheated by flue gas is supplied to the interior of the boiler through the water outlet, so that the waste heat of the flue gas is fully utilized, the heat is reduced, and the top of the preheating water tank is provided with an air hole communicated with the outside so that water vapor generated after preheating can be smoothly discharged.
The smoke exhaust pipe is formed by connecting three sections of pipes; wherein the first section of pipe is communicated with a smoke outlet of the boiler; the second section of pipe is communicated with the first section of pipe and is arranged in the accommodating space in a vertically-bent wave-shaped structure, the second section of pipe is provided with an upper bent part and a lower bent part, the upper bent part is positioned in the accommodating space, the lower bent part extends out of the preheating water tank, the joint part of the lower bent part and the preheating water tank is welded and sealed to avoid water leakage, the lower bent part is provided with an ash removal port, and the ash removal port is provided with a cover body for sealing; the third section of pipe is communicated with the second section of pipe and is used for exhausting flue gas.
Flue gas gets into the second section pipe from first section pipe, the time that the extension of being convenient for and water carried out the heat exchange is managed in the tortuous setting of second section pipe, the lower tortuous portion setting of second section pipe is in preheating water tank's outside simultaneously, and be provided with the deashing mouth, consequently workman personnel can regularly carry out the deashing through the deashing mouth to the intraduct of discharging fume and handle, for example open the lid after, control burnisher and stretch into the intraduct of discharging fume from the deashing mouth and clean, make the cigarette ash of the intraduct inner wall of discharging fume drop, and discharge from the deashing mouth, consequently the inside deashing of the pipe of discharging fume can be realized with the setting up of deashing mouth of bending portion.
Fairing, it sets up be used for stabilizing the flue gas air current in the tortuous portion down, fairing includes that the polylith setting is in fairing in the tortuous portion down, polylith fairing are parallel to each other, evenly be provided with the through-hole that allows the flue gas to pass through on the fairing.
The exhaust flue gas velocity of flow of boiler is fast, and the flue gas is fast through the pipe of discharging fume, can't carry out the heat exchange of sufficient time with water, therefore fairing can make the flue gas air current stable, and the velocity of flow slows down, consequently lengthens with the heat exchange time of water, and the waste heat that the flue gas was taken away at last is still less, and thermal waste is also still less.
Preferably, in the artificial board factory boiler flue gas recycling equipment, an agitator for agitating water is arranged in the accommodating space, the agitator comprises an agitating motor and a propeller, the propeller is arranged on a rotating shaft of the agitating motor, and the agitating motor drives the propeller to agitate water. The heat quantity of the water obtained in the preheating water tank is not uniform, the heat quantity of the place close to the smoke exhaust pipe is high, and the heat quantity of the place far away from the smoke exhaust pipe is low, so that the stirrer is arranged to stir the water, and the water is uniformly heated.
Preferably, in the artificial board factory boiler flue gas recycling device, the agitators are arranged at the bottom of the accommodating space, one agitator is correspondingly arranged right below each upper zigzag part, and the agitators agitate upwards. The agitator agitates the water stream upwardly so that the water stream is in a direction opposite to the direction of the flue gas discharge, improving heat exchange efficiency.
Preferably, in the artificial board factory boiler flue gas recycling equipment, a thermometer is arranged outside the preheating water tank and communicated to the accommodating space to measure and display the internal temperature. The temperature of the preheated water can be observed and confirmed conveniently.
Preferably, in the artificial board factory boiler flue gas recycling equipment, the upper bent part is of an arc-shaped bent structure or a triangular bent structure. The inner area of the bent portion is reduced, and thus soot deposition on the bent portion is reduced.
Preferably, in the artificial board factory boiler flue gas recycling equipment, the lower bent part is of a right-angle bent structure. The space of the right-angle bending structure is more regular, and the ash cleaning port and the rectifying device are convenient to install.
Preferably, in the artificial board factory boiler flue gas recycling equipment, the aperture of the through hole is 2-6 cm. The normal passing of flue gas is guaranteed, and the through hole is prevented from being blocked by the cigarette ash.
Preferably, in the artificial board factory boiler flue gas equipment of recycling, the cowling panel is unified to be integrated and is fixed on a flat board, the flat board can be dismantled and be connected to inside the lower zigzag portion. The rectifying plate is convenient to disassemble, assemble and clean.
The utility model discloses at least, include following beneficial effect:
the utility model discloses it is many to the inside cigarette ash of traditional pipe of discharging fume, can't in time clear up the problem that reduces heat exchange efficiency easily, will discharge fume the pipe very much and set to the wavy structure setting of upper and lower tortuous, wherein the outside of preheating water tank is worn out to the portion of buckling down and is provided with the deashing mouth, opens the lid on the deashing mouth and just can the tool to the inside clearance of pipe of discharging fume, has avoided cigarette ash to influence heat exchange efficiency.
The utility model discloses set up fairing in the lower tortuous portion of the pipe of discharging fume, finishing device can stabilize the flue gas air current for the flue gas is gently through discharging fume the pipe, has prolonged the time of carrying out the heat exchange with water, has improved the stability of heat exchange, reduces the heat that the flue gas was taken away, avoids extravagant.
The utility model arranges the agitator at the bottom of the preheating water tank, and the agitator agitates the water upwards, so that the water flow is opposite to the air flow in the smoke exhaust pipe on one hand, and the heat exchange efficiency is improved; on the other hand, the water in the preheating water tank is heated more uniformly.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a schematic structural view of a first embodiment of an apparatus for recycling boiler flue gas from an artificial board factory according to the present invention;
FIG. 2 is a schematic structural view of a second embodiment of the flue gas recycling equipment for boilers of artificial board plants according to the present invention;
fig. 3 is a partial schematic structural view of two embodiments of the upper bending part according to the present invention;
fig. 4 is a schematic structural diagram of the rectifying device of the present invention.
Detailed Description
The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.
As shown in fig. 1, an artificial board factory boiler flue gas recycling device comprises:
the preheating water tank 1 is internally provided with an accommodating space 12, a first end of the preheating water tank 1 is provided with a water inlet 2, the water inlet 2 is used for introducing cold water, a second end of the preheating water tank is provided with a water outlet 3, the water outlet is communicated with the boiler through a pipeline, and water preheated by flue gas is supplied to the interior of the boiler through the water outlet 3, so that the purpose of fully utilizing the waste heat of the flue gas is achieved, and heat is reduced and exhausted. The top of the preheating water tank 1 is provided with an air hole 4 communicated with the outside so as to smoothly discharge water vapor generated after preheating.
The smoke exhaust pipe is formed by connecting three sections of pipes; wherein the first section of pipe 5 is communicated with the smoke outlet of the boiler so as to be connected with smoke; the second section of pipe 6 is communicated with the first section of pipe 5 and is arranged in the accommodating space 12 in a vertically-zigzag wave-shaped structure, the second section of pipe 6 is provided with an upper zigzag part 8 and a lower zigzag part 9, the upper zigzag part 8 is positioned in the accommodating space 12, the lower zigzag part 9 extends out of the preheating water tank 1, and the joint part of the lower zigzag part and the preheating water tank is welded and sealed to avoid water leakage. The lower bent part 9 is provided with an ash cleaning port, the ash cleaning port is provided with a cover body 10 for sealing, the cover body 10 is opened to discharge the ash deposited in the lower bent part, and meanwhile, a cleaning tool can be inserted into the ash cleaning port to clean the inside of the smoke exhaust pipe; and the third section of pipe 7 is communicated with the second section of pipe 6 and is used for exhausting flue gas.
Fairing 11, it sets up be used for stabilizing the flue gas air current in the tortuous portion 9 down, fairing includes that the polylith setting is in fairing in the tortuous portion 9 down, polylith fairing are parallel to each other, evenly be provided with the through-hole that allows the flue gas to pass through on the fairing.
The exhaust flue gas velocity of flow of boiler is fast, and the flue gas is fast through the pipe of discharging fume, and the time of carrying out the heat exchange with water is short, and fairing can make the flue gas air current stable, and the velocity of flow slows down, and then the extension with the heat exchange time of water.
Further, as shown in fig. 2, in another embodiment, an agitator 13 for agitating water is provided inside the accommodating space 12, and the agitator 13 includes an agitating motor and a propeller provided on a rotating shaft of the agitating motor, and the agitating motor drives the propeller to agitate water. The water in the preheating water tank obtains uneven heat, the heat is high at the place close to the smoke exhaust pipe, and the heat is low at the place far away from the smoke exhaust pipe, so the stirrer 13 is arranged to stir the water, and the water is heated evenly.
The agitators 13 are arranged at the bottom of the accommodating space 12, one agitator 13 is correspondingly arranged right below each upper zigzag part 8, the agitators 13 agitate upwards, and the agitators agitate water flow upwards, so that the water flow is opposite to the discharge direction of the flue gas, and the heat exchange efficiency is improved.
Further, a thermometer is provided outside the preheating water 1, and the thermometer is communicated to the accommodating space to measure and display the internal temperature.
Further, as shown in fig. 3, the upper bent portion 8 has an arc-shaped bent structure or a triangular bent structure, which reduces the inner area of the bent portion, thereby reducing or preventing soot deposition on the upper bent portion 8.
Further, the lower bent part is of a right-angle bent structure. The space of the right-angle bending structure is more regular, and the ash cleaning port and the rectifying device 11 are convenient to install.
Further, the aperture of the through hole is 2-6 cm. The normal passing of flue gas is guaranteed, and the through hole is prevented from being blocked by the cigarette ash.
Further, as shown in fig. 4, the rectifying plates 15 are integrally fixed on a flat plate 14, the flat plate 14 is located at the side of the rectifying plate 15 and is fixedly connected with the rectifying plate 15, a gap for passing the flue gas is formed between the rectifying plates 15, and during installation, the flat plate 14 is detachably connected to the inside of the lower bending part 8.
The utility model discloses an implementation as follows:
firstly, introducing water into a preheating water tank, and then introducing flue gas; the flue gas gets into in the second section pipe from first section pipe, the shape along second section pipe tortuous flows and carries out the heat exchange with the water in the preheating water tank, when the flue gas is through zigzag portion down, under fairing's effect, the flue gas air current becomes gentle, partly cigarette ash is held back by the cowling panel on fairing simultaneously, the cigarette ash deposit is in zigzag portion down, after daily production, the lid is opened to the workman, collect cigarette ash in zigzag portion under the clearance, the inside cigarette ash to the pipe wall of second section pipe that stretches into of concurrent operation clearance instrument is cleared up, the cigarette ash that the clearance got off also drops from the deashing mouth, and then by collecting, it can to close the lid after the clearance is accomplished.
When the flue gas is introduced, the stirrer in the preheating water tank is started to stir the water body, so that the water is uniformly heated.
After the cover body is opened, the flat plate can be detached from the lower zigzag portion, so that the rectifying device is integrally separated from the lower zigzag portion, and the rectifying device is convenient to replace.
While embodiments of the invention have been disclosed above, it is not intended to be limited to the applications listed in the specification and the examples. It can be applicable to various and be fit for the utility model discloses a field completely. Additional modifications will readily occur to those skilled in the art.
Claims (8)
1. The utility model provides an equipment is recycled to wood-based plate factory boiler flue gas which characterized in that includes:
the preheating water tank is internally provided with an accommodating space, a first end of the preheating water tank is provided with a water inlet, a second end of the preheating water tank is provided with a water outlet, the water outlet is communicated with the boiler through a pipeline, and the top of the preheating water tank is provided with an air hole communicated with the outside;
the smoke exhaust pipe is formed by connecting three sections of pipes; wherein the first section of pipe is communicated with a smoke outlet of the boiler; the second section of pipe is communicated with the first section of pipe and is arranged in the accommodating space in a vertically-bent wave-shaped structure, the second section of pipe is provided with an upper bent part and a lower bent part, the upper bent part is positioned in the accommodating space, the lower bent part extends out of the preheating water tank, the lower bent part is provided with an ash removal opening, and the ash removal opening is provided with a cover body for sealing; the third section of pipe is communicated with the second section of pipe and is used for exhausting flue gas;
fairing, it sets up be used for stabilizing the flue gas air current in the tortuous portion down, fairing includes that the polylith setting is in fairing in the tortuous portion down, polylith fairing are parallel to each other, evenly be provided with the through-hole that allows the flue gas to pass through on the fairing.
2. The artificial board factory boiler flue gas recycling device according to claim 1, wherein an agitator for agitating water is provided inside the accommodating space, the agitator comprises an agitation motor and a propeller, the propeller is provided on a rotating shaft of the agitation motor, and the agitation motor drives the propeller to agitate water.
3. Artificial board factory boiler flue gas recycling device according to claim 2, wherein said agitators are arranged at the bottom of said containing space, and one agitator is arranged right below each upper zigzag portion.
4. The artificial board factory boiler flue gas recycling device according to claim 3, wherein a thermometer is provided outside the preheating water tank, and the thermometer is communicated to the accommodating space to measure and display the internal temperature.
5. The artificial board factory boiler flue gas recycling device of claim 4, wherein the upper zigzag portion is of an arc-shaped bent structure or a triangular zigzag structure.
6. The artificial board factory boiler flue gas recycling device according to claim 5, wherein the lower bent portion is a right-angled bent structure.
7. The artificial board factory boiler flue gas recycling equipment according to claim 6, wherein the aperture of the through hole is 2-6 cm.
8. The artificial board factory boiler flue gas recycling device according to claim 1, wherein the flow straightening plate is integrally fixed on a flat plate, and the flat plate is detachably connected to the inside of the lower bending part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921065674.4U CN210291833U (en) | 2019-07-09 | 2019-07-09 | Boiler flue gas recycling equipment for artificial board factory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921065674.4U CN210291833U (en) | 2019-07-09 | 2019-07-09 | Boiler flue gas recycling equipment for artificial board factory |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210291833U true CN210291833U (en) | 2020-04-10 |
Family
ID=70101480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921065674.4U Active CN210291833U (en) | 2019-07-09 | 2019-07-09 | Boiler flue gas recycling equipment for artificial board factory |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210291833U (en) |
-
2019
- 2019-07-09 CN CN201921065674.4U patent/CN210291833U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6983781B2 (en) | Painting booths with a spray spray removal system and methods and equipment for spray spray removal | |
| CN105546549B (en) | A kind of rubbish dechlorination apparatus and its dechlorination method | |
| CN106477921B (en) | A kind of lime burner furnace of environmental protection and energy saving | |
| CN110384993A (en) | A kind of boiler discharge fume dust remover | |
| CN208717413U (en) | A kind of zinc gray recyclable device | |
| CN210291833U (en) | Boiler flue gas recycling equipment for artificial board factory | |
| CN105823036A (en) | Novel environment-friendly combustion device | |
| CN209558353U (en) | Waste incinerator | |
| CN210711608U (en) | Hot-blast furnace for metallurgical processing | |
| CN206347829U (en) | A kind of Art Design sample manuscript cloth clearing and drying device | |
| CN209065607U (en) | Industrial wastewater recycling device | |
| CN208249904U (en) | A kind of Purification of Carbon Nanotubes equipment | |
| CN201505628U (en) | Machine set generating cabinet in paint baking room | |
| CN213453700U (en) | Waste heat recovery device of boiler | |
| CN211400293U (en) | Energy-concerving and environment-protective boiler of PLC control | |
| CN213021156U (en) | Heat recovery device of tentering setting machine | |
| CN210832531U (en) | Environment-friendly vertical boiler | |
| CN211147180U (en) | High-efficient recycle device of boiler waste heat | |
| CN209355220U (en) | A kind of waste heat boiler device that high-temperature flue gas utilizes | |
| CN207237310U (en) | High concentration inspissator | |
| CN205504924U (en) | Coal -fired steam boiler system is used in enamel reactor production | |
| CN208642181U (en) | A kind of food iron flask printing iron printing Environmental-protecting dust-removing equipment | |
| CN207071385U (en) | Body of heater heater | |
| CN219264980U (en) | Preheating furnace easy to clean | |
| CN221015309U (en) | Glass fiber reinforced plastic desulfurizing tower with thermal cycle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |