CN215463292U - Novel denitration system of biomass boiler - Google Patents
Novel denitration system of biomass boiler Download PDFInfo
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- CN215463292U CN215463292U CN202121216206.XU CN202121216206U CN215463292U CN 215463292 U CN215463292 U CN 215463292U CN 202121216206 U CN202121216206 U CN 202121216206U CN 215463292 U CN215463292 U CN 215463292U
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Abstract
The utility model discloses a new denitration system of a biomass boiler, which comprises: the heat exchanger comprises a combustion box, a U-shaped drainage tube, a heat exchange box and a neutralization box, wherein the U-shaped drainage tube is arranged in the combustion box and the heat exchange box; the utility model relates to the technical field of smoke filtration, wherein heat in smoke is guided to the air through a guide heat exchange structure, the air is preheated, and redundant heat in the smoke is guided to the air, so that the combustion of coal can be accelerated, the mixing and neutralizing speed of the smoke and neutralizing liquid is accelerated, and the smoke is neutralized and precipitated through a neutralizing structure.
Description
Technical Field
The utility model relates to the technical field of smoke filtration, in particular to a new biomass boiler denitration system.
Background
Nitrogen oxides (NOx) in flue gas of a coal-fired power plant are one of main atmospheric pollutants, and the emission of the nitrogen oxides in the flue gas is mainly treated by using a Selective Catalytic Reduction (SCR) technology at present, namely, a reducing agent is used for selectively reacting with the nitrogen oxides in the flue gas to generate nontoxic and pollution-free nitrogen (N2) and water (H2O), so that the aims of denitration and environmental protection are fulfilled. The denitration system is widely applied to the field of environmental protection, and has the action principle that the urea solution is pyrolyzed into ammonia gas by a pyrolysis device, the ammonia gas is sent to an SCR system and then chemically reacts with flue gas to achieve the aims of denitration and environmental protection.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides a new denitration system of a biomass boiler, and solves part of the problems of the prior art.
In order to achieve the purpose, the utility model is realized by the following technical scheme: new system of biomass boiler denitration includes: the heat exchanger comprises a combustion box, a U-shaped drainage tube, a heat exchange box and a neutralization box, wherein the U-shaped drainage tube is arranged in the combustion box and the heat exchange box;
the neutralization structure comprises: the device comprises a neutralization liquid pump, a plurality of atomization nozzles with the same structure, a shunt ring pipe, a stirring driving machine, a stirring disc, a plurality of stirring fan-shaped sheets with the same structure and a siphon drainage pipe;
the neutralizing liquid pump install in on the neutralizing tank, a plurality of atomizer even install in the heat transfer incasement, the reposition of redundant personnel ring pipe install in on the heat transfer case, just the reposition of redundant personnel ring union coupling is in a plurality of atomizer and on the neutralizing liquid pump, the stirring driving machine pass through the bearing cartridge in heat transfer bottom of the case end, stirring disc install in on the stirring driving machine drive end, a plurality of stirring fan-shaped piece install respectively in on the stirring disc, siphon drainage tube cartridge in on the heat transfer bottom of the case end.
Preferably, the flow-guiding heat exchange structure comprises: the air pump, the sealing valve, a pair of shunt tubes with the same structure, a plurality of heat exchange tubes with the same structure, a plurality of annular heat exchange sleeve blocks with the same structure and an air injection annular tube;
the air pump install in on the heat transfer case, jet-propelled ring pipe install in on the combustion box, sealing valve install in on the air pump, a plurality of the heat exchange tube respectively even cartridge in on the heat transfer case, it is a pair of the shunt tubes is installed respectively in a plurality of on the heat exchange tube both sides, and a pair of the shunt tubes other end connect respectively in jet-propelled ring pipe and on the sealing valve, a plurality of ring heat transfer nested piece is installed respectively in a plurality of on the heat exchange tube.
Preferably, a temperature sensor is arranged in the heat exchange box.
Preferably, a flow rate valve is respectively arranged in each of the pair of the branch pipes.
Preferably, a concave circular ring block is arranged at the bottom end of the heat exchange box, and a filter screen is arranged on the concave circular ring block.
Preferably, a flow discharging valve is arranged on the siphon drainage tube.
Advantageous effects
The utility model provides a novel biomass boiler denitration system. The method has the following beneficial effects: this new biomass boiler denitration system, through in drainage heat transfer structure with the heat drainage in the smog to the air, through preheating the air, with unnecessary heat drainage in the smog to the air simultaneously, both can accelerate the burning of coal, accelerated smog and neutralization liquid mixing neutralization rate simultaneously, carry out neutralization precipitation with smog through neutralization structure simultaneously.
Drawings
Fig. 1 is a schematic front sectional view of a novel biomass boiler denitration system of the utility model.
FIG. 2 is a schematic sectional side view of the novel denitration system of the biomass boiler.
FIG. 3 is a schematic diagram of a neutralization structure of the novel denitration system of the biomass boiler.
In the figure: 1. a combustion box; 2. a U-shaped drainage tube; 3. a heat exchange box; 4. a neutralization tank; 5. a neutralization liquid pump; 6. an atomizing spray head; 7. a shunt ring pipe; 8. a stirring driver; 9. a stirring disc; 10. stirring the fan-shaped sheets; 11. a siphon drainage tube; 12. an air pump; 13. sealing the valve; 14. a shunt tube; 15. a heat exchange pipe; 16. a circular heat exchange sleeve block; 17. a gas injection circular ring pipe; .
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
All the electrical components in the present application are connected with the power supply adapted to the electrical components through a wire, and an appropriate controller and an appropriate encoder should be selected according to actual conditions to meet control requirements, and specific connection and control sequences should be obtained.
Example (b): as shown in fig. 1-3, the U-shaped drainage tube 2 is installed in the combustion box 1 and the heat exchange box 3, the neutralization box 4 is connected to the heat exchange box 3 through a neutralization structure, and a drainage heat exchange structure is installed in the heat exchange box 3; the neutralization structure comprises: the device comprises a neutralization liquid pump 5, a plurality of atomizing nozzles 6 with the same structure, a flow dividing circular pipe 7, a stirring driving machine 8, a stirring disc 9, a plurality of stirring fan-shaped sheets 10 with the same structure and a siphon drainage pipe 11; the neutralization liquid pump 5 is installed on the neutralization box 4, the plurality of atomization nozzles 6 are uniformly installed in the heat exchange box 3, the shunt ring pipe 7 is installed on the heat exchange box 3, the shunt ring pipe 7 is connected to the plurality of atomization nozzles 6 and the neutralization liquid pump 5, the stirring driver 8 is inserted into the bottom end of the heat exchange box 3 through a bearing, the stirring disc 9 is installed on the driving end of the stirring driver 8, the plurality of stirring fan-shaped pieces 10 are respectively installed on the stirring disc 9, and the siphon drainage tube 11 is inserted into the bottom end of the heat exchange box 3; the drainage heat exchange structure comprises: the heat exchanger comprises an air extracting pump 12, a sealing valve 13, a pair of shunt pipes 14 with the same structure, a plurality of heat exchange pipes 15 with the same structure, a plurality of annular heat exchange sleeve blocks 16 with the same structure and an air injection annular pipe 17; the air suction pump 12 is installed on the heat exchange box 3, the air injection circular ring pipe 17 is installed on the combustion box 1, the sealing valve 13 is installed on the air suction pump 12, the heat exchange pipes 15 are respectively and uniformly inserted into the heat exchange box 3, a pair of the shunt pipes 14 are respectively installed on two sides of the heat exchange pipes 15, the other ends of the shunt pipes 14 are respectively connected to the air injection circular ring pipe 17 and the sealing valve 13, and the circular ring heat exchange sleeve blocks 16 are respectively installed on the heat exchange pipes 15; a temperature sensor is arranged in the heat exchange box 3; flow rate valves are respectively arranged in the pair of shunt pipes 14; a concave circular ring block is arranged at the bottom end of the heat exchange box 3, and a filter screen is arranged on the concave circular ring block; and a flow discharging valve is arranged on the siphon drainage tube 11.
From the above, it follows: the pulverized coal is combusted in the combustion box 1, the combusted smoke is guided into the heat exchange box 3 through the U-shaped drainage tube 2, air is pumped to the sealing valve 13 through the air pump 12, the sealing valve 13 is opened to guide the air to the shunt tube 14, high-speed air is guided to the heat exchange tubes 15 through the shunt tube 14, heat in the smoke is guided to the air in the heat exchange tubes 15 through the annular heat exchange sleeve blocks 16 on the heat exchange tubes 15, high-temperature gas in the heat exchange tubes 15 is guided to the shunt tube 14, the high-temperature gas is guided into the combustion box 1 through the shunt tube 14, so that the heat in the smoke is guided to the air, the air temperature of the smoke is controlled within a certain range, meanwhile, the liquid in the neutralization box 4 is pumped to the shunt tube 7 through the neutralization pump 5, on sending a plurality of atomizer 6 with neutralization liquid through reposition of redundant personnel ring pipe 7 with, spray heat transfer case 3 with neutralization liquid through a plurality of atomizer 6 in, through the denitration of neutralization liquid in with smog, through neutralization liquid and smog mixture, detect the heat degree in heat transfer case 3 through temperature sensor, the velocity of flow of air in a plurality of heat exchange tube 15 is controlled through a pair of velocity of flow valve, thereby reach the temperature of smog in the control heat transfer case 3, the phenomenon too high or low excessively of smog temperature has been avoided.
As a preferred scheme, furthermore, the flow-guiding heat exchange structure comprises: the heat exchanger comprises an air extracting pump 12, a sealing valve 13, a pair of shunt pipes 14 with the same structure, a plurality of heat exchange pipes 15 with the same structure, a plurality of annular heat exchange sleeve blocks 16 with the same structure and an air injection annular pipe 17;
the air pump 12 install in on the heat transfer case 3, jet-propelled ring pipe 17 install in on the combustion box 1, sealing valve 13 install in on the air pump 12, a plurality of heat exchange tube 15 respectively even cartridge in on the heat transfer case 3, it is a pair of shunt tubes 14 install respectively in a plurality of on the heat exchange tube 15 both sides, and it is a pair of the shunt tubes 14 other end connect respectively in jet-propelled ring pipe 17 and on the sealing valve 13, a plurality of ring heat transfer sleeve block 16 installs respectively in a plurality of on the heat exchange tube 15.
Preferably, a temperature sensor is arranged in the heat exchange box 3.
Preferably, a flow rate valve is disposed in each of the pair of branch pipes 14.
As a preferable scheme, furthermore, a concave circular ring block is arranged at the bottom end of the heat exchange box 3, and a filter screen is arranged on the concave circular ring block.
Preferably, a discharge valve is further disposed on the siphon drainage tube 11.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. New system of biomass boiler denitration includes: the device comprises a combustion box, a U-shaped drainage tube, a heat exchange box and a neutralization box, and is characterized in that the U-shaped drainage tube is arranged in the combustion box and the heat exchange box, the neutralization box is connected to the heat exchange box through a neutralization structure, and a drainage heat exchange structure is arranged in the heat exchange box;
the neutralization structure comprises: the device comprises a neutralization liquid pump, a plurality of atomization nozzles with the same structure, a shunt ring pipe, a stirring driving machine, a stirring disc, a plurality of stirring fan-shaped sheets with the same structure and a siphon drainage pipe;
the neutralizing liquid pump install in on the neutralizing tank, a plurality of atomizer even install in the heat transfer incasement, the reposition of redundant personnel ring pipe install in on the heat transfer case, just the reposition of redundant personnel ring union coupling is in a plurality of atomizer and on the neutralizing liquid pump, the stirring driving machine pass through the bearing cartridge in heat transfer bottom of the case end, stirring disc install in on the stirring driving machine drive end, a plurality of stirring fan-shaped piece install respectively in on the stirring disc, siphon drainage tube cartridge in on the heat transfer bottom of the case end.
2. The new biomass boiler denitration system of claim 1, wherein the flow-guiding heat exchange structure comprises: the air pump, the sealing valve, a pair of shunt tubes with the same structure, a plurality of heat exchange tubes with the same structure, a plurality of annular heat exchange sleeve blocks with the same structure and an air injection annular tube;
the air pump install in on the heat transfer case, jet-propelled ring pipe install in on the combustion box, sealing valve install in on the air pump, a plurality of the heat exchange tube respectively even cartridge in on the heat transfer case, it is a pair of the shunt tubes is installed respectively in a plurality of on the heat exchange tube both sides, and a pair of the shunt tubes other end connect respectively in jet-propelled ring pipe and on the sealing valve, a plurality of ring heat transfer nested piece is installed respectively in a plurality of on the heat exchange tube.
3. The new biomass boiler denitration system of claim 1, wherein a temperature sensor is arranged in the heat exchange box.
4. The new denitration system for biomass boilers, according to claim 1, characterized in that a flow rate valve is respectively arranged in a pair of said branch pipes.
5. The new biomass boiler denitration system of claim 1, wherein a concave circular ring block is arranged at the bottom end of the heat exchange box, and a filter screen is arranged on the concave circular ring block.
6. The new biomass boiler denitration system according to claim 1, wherein a flow discharge valve is arranged on the siphon drainage pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121216206.XU CN215463292U (en) | 2021-06-02 | 2021-06-02 | Novel denitration system of biomass boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121216206.XU CN215463292U (en) | 2021-06-02 | 2021-06-02 | Novel denitration system of biomass boiler |
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| CN215463292U true CN215463292U (en) | 2022-01-11 |
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| CN202121216206.XU Active CN215463292U (en) | 2021-06-02 | 2021-06-02 | Novel denitration system of biomass boiler |
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2021
- 2021-06-02 CN CN202121216206.XU patent/CN215463292U/en active Active
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