CN215112688U - Boiler structure for producing artificial board - Google Patents
Boiler structure for producing artificial board Download PDFInfo
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- CN215112688U CN215112688U CN202121061874.XU CN202121061874U CN215112688U CN 215112688 U CN215112688 U CN 215112688U CN 202121061874 U CN202121061874 U CN 202121061874U CN 215112688 U CN215112688 U CN 215112688U
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- flue gas
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Abstract
The utility model discloses a boiler structure of wood-based plate production usefulness, include boiler main body and the flue gas pipeline that accesss to each application direction, the application direction includes dry direction at least, and flue gas pipeline has seted up the ash discharge mouth and has made flue gas pipeline's space at ash discharge mouth department grow and make cigarette ash deposit here and discharge away. The utility model discloses it constitutes the change to current boiler equipment inadaptable fuel, in the combustion process, raw materials such as bark are easily got into flue gas pipeline along with the flue gas, the deposit is in flue gas pipeline, increase the clean degree of difficulty, block up flue gas pipeline even, influence the problem of production, set up the ash discharge opening on the flue gas pipeline that accesss to each direction of application in boiler main part very much, the ash discharge opening constitutes an area or the region that the volume enlarges, reduce the velocity of flow of flue gas here, make cigarette ash subside here, and be discharged by the ash discharge opening, reduce cigarette ash deposit, avoid the flue to block up.
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 boiler structure of wood-based plate production usefulness.
Background
The existing boilers mostly use wood or coal blocks as fuel, the problem that light wood is easy to lift along with smoke is not considered during design, and the following problems are generated when artificial board factories use the boilers for production: the fuel of the boiler of the artificial board factory contains materials such as eucalyptus bark, especially the Guangxi that produces eucalyptus greatly, the proportion of eucalyptus bark in the fuel is very high, in order to make the bark fully burn, the ventilation volume of the boiler needs to be increased, under the large ventilation volume, the flue gas brings out cigarette ash and incompletely burns the bark, then deposit in the flue gas pipeline that the boiler leads to drying direction, cooking direction or hot oil direction, the clean degree of difficulty is big, the danger coefficient is high, untimely clearance blocks up the flue gas pipeline easily again, seriously influence production.
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 a boiler structure of wood-based plate production usefulness, it subsides serious pipeline section bottom at the boiler and increases the ash discharge mouth, and the ash discharge mouth forms the region of an area or volume expansion, reduces the flue gas velocity of flow for cigarette ash subsides here and is collected the discharge by the ash discharge mouth, reduces the pipeline deposition, reduces the clearance work load.
In order to solve the technical problem, the utility model provides a following technical scheme:
the utility model provides a boiler structure of wood-based plate production usefulness, includes boiler main body and the flue gas pipeline that leads to each application direction, the application direction includes dry direction at least, and flue gas pipeline has been seted up the ash discharge mouth and has been made flue gas pipeline's space at ash discharge mouth department grow and make cigarette ash deposit here and discharge away.
Above-mentioned technical scheme is to current boiler equipment inadaptation fuel constitution change, and in the combustion process, raw materials such as bark are easy to get into the flue gas pipeline along with the flue gas, deposit in the flue gas pipeline, increase the clean degree of difficulty, block up the flue gas pipeline even, influence the problem of production. Especially, the ash discharge port is arranged on a flue gas pipeline leading to each application direction of the boiler body, the ash discharge port forms an area with an enlarged area or volume, the flow speed of the flue gas at the position is reduced, the soot is settled at the position and is discharged by the ash discharge port, and the problems of soot deposition and blockage are solved.
Preferably, in the boiler structure for producing artificial boards, the flue gas pipeline in the drying direction is connected with a high-temperature storage, a cavity for flue gas circulation is arranged in the high-temperature storage, a hot smoke port leading to the drying section is formed in the side wall of the high-temperature storage, a conical ash collecting hopper is arranged at the bottom of the cavity, and an outlet is formed in the ash collecting hopper.
Preferably, in the boiler structure for producing artificial boards, the cavity above the ash collecting hopper has a larger internal space than other sections of the high-temperature storage, so that the flow rate of the flue gas is reduced at the position and the ash can be settled in the ash collecting hopper, and the hot smoke outlet is arranged at the side part of the cavity above the ash collecting hopper. The high-temperature storage can keep the heat of the flue gas on one hand and can deposit the soot in the flue gas on the other hand.
Preferably, in the boiler structure for artificial board production, the application direction further includes a hot oil direction, and a flue gas pipeline in the hot oil direction is connected with a hot oil heater.
Preferably, in the boiler structure for manufacturing artificial boards, the hot oil heater comprises:
the radiation section is spirally wound with a heat exchange tube, hot oil circulates inside the heat exchange tube, and the radiation section is connected with the flue gas pipeline;
a soot settling section connected below the radiant section;
the ash receiving part is arranged below the ash settling section and used for receiving settled ash, and an outlet is formed below the ash receiving part.
Preferably, in the boiler structure for producing artificial boards, a small pipeline is arranged at the lower end of the ash discharge port on the flue gas pipeline in the direction of hot oil and communicated to the ash settling section to discharge the ash into the small pipeline, and the diameter of the small pipeline is smaller than that of the ash settling section.
Preferably, in the boiler structure for producing artificial boards, a subsidence part is arranged below the ash discharge port, the subsidence part is of a downward subsidence structure and is arranged in a tapered shape or a conical shape from top to bottom, and the subsidence part is provided with an ash discharge port. The soot discharge port can be opened and closed as desired. The settling section facilitates soot collection and removal.
Preferably, in the boiler structure for producing artificial boards, the lower end of the settling part can be directly communicated with the high-temperature storage, and settled soot can be directly discharged into the high-temperature storage and collected by a soot collecting hopper.
Preferably, the lower end of the settling part is provided with a pipeline which is communicated back to the boiler main body to form a flue gas loop. Particularly, the lower extreme of portion that subsides is connected with the back flow, and the back flow other end communicates to boiler body, and the intercommunication mouth is seted up on boiler body lateral wall, and the position of intercommunication mouth is located the top of the inside burning flame of boiler body, and the boiler body combustion gas inflation is scurried upward and is produced the negative pressure this moment to the gaseous backward flow of pulling portion that subsides, the cigarette ash of further row's ash hole department also gets into portion that subsides more easily, and cigarette ash gets into boiler body again, obtains further abundant burning.
And the return pipe is preferably provided with a tesla valve structure which makes the smoke of the settling section more easily flow back to the boiler body, and the smoke of the boiler body cannot enter the settling section from the pipe due to great air flow resistance.
Preferably, the flue gas pipeline is further provided with a narrowing section which is narrowed in width, the narrowing section is arranged between the ash discharge port and the high-temperature storage, the narrowing section can improve the air velocity of flue gas sprayed to the high-temperature storage, the reduction of the flow velocity caused by the ash discharge port is compensated, the caliber of the narrowing section is not too small and is slightly smaller than the diameter of the flue gas pipeline, and the flue gas pipeline can be specifically designed according to the flow, so that the phenomenon that the pressure of the furnace is too large due to the fact that the gas in the boiler cannot be discharged in time is avoided.
The utility model discloses at least, include following beneficial effect:
the utility model discloses to the unadaptable fuel constitution of current boiler equipment change, in the combustion process, raw materials such as bark are easily got into flue gas pipeline along with the flue gas, and the deposit increases the clean degree of difficulty in flue gas pipeline, blocks up flue gas pipeline even, influences the problem of production. Especially, the ash discharge port is arranged on a flue gas pipeline leading to each application direction of the boiler body, the ash discharge port forms an area with an enlarged area or volume, the flow speed of the flue gas at the position is reduced, the soot is settled at the position and is discharged by the ash discharge port, and the problems of soot deposition and blockage are solved.
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 boiler structure for producing artificial boards according to the present invention;
FIG. 2 is a schematic structural view of an embodiment of the ash discharge port of the present invention;
fig. 3 is a schematic structural diagram of another embodiment of the ash discharge port of the present invention.
Detailed Description
The present invention is further described in detail below with reference to examples so that those skilled in the art can implement the invention with reference to the description. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Fig. 1 shows an embodiment of boiler structure of wood-based plate production usefulness, include boiler main part 1 and the flue gas pipeline 4 who accesss to each application direction, the application direction includes dry direction at least, in the structure shown in fig. 1, the right side is the dry direction of application, and flue gas pipeline 4 has been seted up row ash mouth 5 and has been made flue gas pipeline 4's space at row ash mouth 5 department grow and make cigarette ash deposit here to be arranged away by row ash mouth.
This embodiment can solve the problem that current boiler equipment is not suitable for the fuel constitution and changes, and in the combustion process, raw materials such as bark are easy to get into flue gas pipeline along with the flue gas, deposit in flue gas pipeline, increase the clean degree of difficulty, block up flue gas pipeline even, influence production. Set up the ash discharge mouth on boiler body 1 leads to the flue gas pipeline 4 of each direction of application, ash discharge mouth 5 constitutes an area or the region that the volume enlarges, reduces the velocity of flow at this place of flue gas for cigarette ash subsides here, and is discharged by the ash discharge mouth, solves the problem of cigarette ash deposit and jam.
Further, in another embodiment, as shown in fig. 1, the flue gas pipeline 4 in the drying direction is connected with a high temperature storage 6, a cavity 7 through which flue gas flows is arranged inside the high temperature storage 6, a hot flue gas port 9 leading to the drying section is opened on the side wall of the high temperature storage 6, a tapered ash collecting hopper 8 is arranged at the bottom of the cavity 7, and an outlet is opened on the ash collecting hopper 8 to discharge the ash.
For adapting to expansion with heat and contraction with cold, the ash collecting hopper 8 is arranged into an inner layer and an outer layer, the outer layer is arranged on the boiler side, the inner layer is arranged on the mixing chamber side, and the two layers are combined in a sleeved mode to provide space for expansion with heat and contraction with cold.
Further, in another embodiment, as shown in fig. 1 and 2, the cavity 7 above the hopper 8 has a larger internal space than the other sections of the high temperature storage 6, so that the flow rate of the flue gas is slowed down at this location and the soot is deposited to the hopper 8, and the hot flue 9 is disposed at the side of the cavity 7 above the hopper 8. The high-temperature storage 6 is capable of retaining the heat of the flue gases on the one hand and of causing soot in the flue gases to deposit on the other hand.
Further, in another embodiment, as shown in fig. 1 and 3, the application direction also includes a hot oil direction, and the flue gas pipe 4 in the hot oil direction is connected with a hot oil heater 11. The left side of the structure shown in fig. 1 is the hot oil direction.
Further, in another embodiment, the hot oil heater 11 includes:
the radiation section 10 is spirally wound with a heat exchange tube, hot oil circulates inside the heat exchange tube, and the radiation section is connected with the flue gas pipeline 4;
a soot settling section 12 connected below the radiant section 10;
a soot receiving portion 13 disposed below the soot settling section 12 to receive settled soot, the soot receiving portion 13 having an outlet opened therebelow. In the structure shown in fig. 1, the soot receiving portion is provided in a tapered shape.
For adapting to expend with heat and contract with cold, cigarette ash receiving portion 13 sets up to inside and outside two-layer, and the skin is the boiler side, and the inlayer is mixing chamber side, and two-layer combines through the mode that cup joints, provides expend with heat and contract with cold's space.
Further, in another embodiment, as shown in fig. 1 and 3, the lower end of the ash discharge port 5 on the hot oil direction flue gas pipe 4 is provided with a small pipe 14 communicated to the ash settling section 12 to discharge the ash into the small pipe 14, and the diameter of the small pipe 14 is smaller than that of the ash settling section.
Further, in another embodiment, fig. 2 and 3 show two implementation manners of the ash discharge port, a subsidence part is arranged below the ash discharge port, the subsidence part is in a downward sunken structure and is arranged in a tapered shape or a conical shape from top to bottom, and the lower end of the subsidence part is provided with an ash discharge port. The soot discharge port can be opened and closed as desired. The settling section facilitates soot collection and removal.
Further, in another embodiment, the lower end of the settling part in the drying direction may be directly communicated with the high temperature storage 6, and the settled soot may be directly discharged into the high temperature storage 6 to be collected by the hopper 8.
In another embodiment, the lower end of the settling part in the drying direction can also be provided with a pipeline communicated back to the boiler main body 1 to form a flue gas loop. Particularly, the lower extreme of portion that subsides is connected with the back flow, and the back flow other end communicates to boiler body, and the intercommunication mouth is seted up on 1 lateral wall of boiler body, and the position of intercommunication mouth is located the top of 1 inside burning flame of boiler body, and the 1 combustion gas inflation of boiler body is scurried upward and is produced the negative pressure this moment to the gaseous backward flow of pulling portion that subsides, the cigarette ash of further row's ash hole department also gets into portion that subsides more easily, and cigarette ash gets into boiler body 1 again, obtains further abundant burning. And the pipeline is preferably set to a tesla valve structure, which makes the flue gas of the settling section more easily flow back to the boiler main body 1, and the flue gas of the boiler main body 1 cannot enter the settling section from the pipeline because of great air flow resistance.
Further, in another embodiment, the flue gas duct 4 is further provided with a narrowing section which is narrowed by width, the narrowing section is arranged between the ash discharge port 5 and the high-temperature storage 6, the narrowing section can improve the air flow velocity of the flue gas sprayed to the high-temperature storage and compensate the reduction of the air flow velocity caused by the ash discharge port, the caliber of the narrowing section is not too small and is slightly smaller than the diameter of the flue gas duct, the narrowing section can be specifically designed according to the flow, and the phenomenon that the gas in the boiler cannot be discharged in time to cause the overlarge pressure of the boiler is avoided.
The utility model discloses an realize the process as follows:
reform transform boiler flue gas pipeline, set up the exhaust port, drop into the material to the boiler main part in the burning, the flue gas of production gets into the flue gas pipeline of each application direction, because exhaust port department space grow, consequently the flue gas velocity of flow slows down, and cigarette ash subsides to the exhaust port, and then is discharged by the exhaust port, and flue gas pipeline deposition reduces, and the number of times that needs the clearance reduces, and production efficiency improves.
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 (7)
1. Boiler structure of wood-based plate production usefulness, its characterized in that, including boiler main body and the flue gas pipeline that leads to each application direction, the application direction includes dry direction at least, and the ash discharge mouth has been seted up to the flue gas pipeline, and the ash discharge mouth sets up downwards to thereby make flue gas pipeline's space promote the cigarette ash deposit in the grow of ash discharge mouth department.
2. The boiler structure for artificial board production according to claim 1, wherein the ash discharge port has a subsidence part below the ash discharge port, the subsidence part is arranged in a tapered structure from top to bottom, and the subsidence part is provided with an ash discharge port.
3. The boiler structure for artificial board production according to claim 2, wherein the flue gas duct in the drying direction is connected to a high temperature storage, the high temperature storage has a cavity for flue gas to flow through, the side wall of the high temperature storage is opened with a hot flue gas port leading to the drying section, the bottom of the cavity is provided with a cone-shaped dust collecting hopper, and the dust collecting hopper is opened with an outlet.
4. A boiler structure for artificial board production according to claim 3, wherein the cavity above the hopper has a larger internal space than other sections of the high temperature storage, so that the flow rate of the flue gas is slowed down at this location and the soot is settled to the hopper, and the hot flue is arranged at the side of the cavity above the hopper.
5. A boiler structure for artificial board production according to claim 2, wherein the application direction further comprises a hot oil direction, and the flue gas pipeline in the hot oil direction is connected with a hot oil heater.
6. A boiler structure for artificial board production according to claim 5, wherein the hot oil heater comprises:
the radiation section is spirally wound with a heat exchange tube, hot oil circulates inside the heat exchange tube, and the radiation section is connected with the flue gas pipeline;
a soot settling section connected below the radiant section;
the ash receiving part is arranged below the ash settling section and used for receiving settled ash, and an outlet is formed below the ash receiving part.
7. The boiler structure for artificial board production according to claim 6, wherein a small pipe is provided below the smoke outlet of the hot oil direction flue gas pipe to communicate with the soot settling section of the hot oil heater to discharge the soot therein and to be received by the soot receiving portion, and the small pipe has a diameter smaller than that of the soot settling section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121061874.XU CN215112688U (en) | 2021-05-18 | 2021-05-18 | Boiler structure for producing artificial board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121061874.XU CN215112688U (en) | 2021-05-18 | 2021-05-18 | Boiler structure for producing artificial board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215112688U true CN215112688U (en) | 2021-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121061874.XU Active CN215112688U (en) | 2021-05-18 | 2021-05-18 | Boiler structure for producing artificial board |
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|---|---|
| CN (1) | CN215112688U (en) |
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2021
- 2021-05-18 CN CN202121061874.XU patent/CN215112688U/en active Active
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