CN111111394A - High-efficient whirl reaction unit - Google Patents
High-efficient whirl reaction unit Download PDFInfo
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- CN111111394A CN111111394A CN202010094246.5A CN202010094246A CN111111394A CN 111111394 A CN111111394 A CN 111111394A CN 202010094246 A CN202010094246 A CN 202010094246A CN 111111394 A CN111111394 A CN 111111394A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/81—Solid phase processes
- B01D53/83—Solid phase processes with moving reactants
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/54—Nitrogen compounds
- B01D53/56—Nitrogen oxides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/54—Nitrogen compounds
- B01D53/56—Nitrogen oxides
- B01D53/565—Nitrogen oxides by treating the gases with solids
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/80—Semi-solid phase processes, i.e. by using slurries
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Abstract
The invention discloses a high-efficiency rotational flow reaction device, which comprises a reaction device main body, an auxiliary function module and an auxiliary mechanism, wherein the reaction device main body comprises a pipeline main body and a rotary vane, the rotary vane is fixed inside the pipeline main body, the auxiliary function module comprises a powder spraying module, a pulse spraying module, a data detection module and a heat preservation and temperature control module, the powder spraying module is formed by sequentially connecting a powder nozzle, a pneumatic conveying pipeline and an electromagnetic valve, the pulse spraying module comprises an air cannon nozzle, an air cannon pipeline, a connection auxiliary part, a high-pressure air bag and an electromagnetic pulse valve, the air cannon nozzle, the air cannon pipeline, the connection auxiliary part, the high-pressure air bag and the electromagnetic pulse valve are sequentially connected, and the high-pressure air bag is fixed on an air bag support; the invention has reasonable structural design, improves the reaction efficiency of the treatment system, reduces the occupied area of the system, reduces the difficulty of system arrangement and the loss of manufacturing materials, and saves energy consumption.
Description
Technical Field
The invention relates to reaction equipment, in particular to a high-efficiency rotational flow reaction device.
Background
The core reaction principle of the mainstream dry or semi-dry desulfurization and denitration technology is gas-solid reaction, namely, a process flow that a polluted gas flow and a reactant material are contacted with each other in a proper environment to generate a specified chemical reaction; the chemical characteristics of the gas-solid contact reaction enable the dry-method and semi-dry-method desulfurization and denitration treatment systems to have the defects of low reaction efficiency, slow reaction speed, low utilization rate of reactants, easy dust accumulation and caking, high temperature environment requirement and the like; in order to improve the reaction efficiency, the existing dry-process and semi-dry-process desulfurization and denitration treatment systems generally adopt a structural system combining reaction in a reaction device and reaction in a pipeline in design, and prolong the conveying length of an air flow conveying pipeline as much as possible, so that the gas-solid reaction links exist in an air flow conveying path as much as possible, thereby prolonging the contact time of polluted air flow and a reactant agent, and indirectly improving the reaction efficiency of the treatment system.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the high-efficiency rotational flow reaction device which has reasonable structural design, improves the reaction efficiency of a treatment system, reduces the occupied area of the system, reduces the arrangement difficulty and the loss of manufacturing materials of the system and saves the energy consumption.
The utility model provides a high-efficient whirl reaction unit, includes reaction unit main part, auxiliary function module and additional mechanism, the reaction unit main part includes pipeline main part, vane, the vane is fixed in the inside of pipeline main part, auxiliary function module includes that the powder spouts module, pulse jetting module, data detection module, heat preservation accuse temperature module, the powder spouts the module and is formed by powder spout, pneumatic line way, solenoid valve connect gradually, the pulse jetting module includes air cannon nozzle, air cannon pipeline, connects auxiliary, high-pressure gas package, electromagnetic pulse valve, air cannon nozzle, air cannon pipeline, connection auxiliary, high-pressure gas package, electromagnetic pulse valve connect gradually, the high-pressure gas package is fixed on the gas package support, and the gas package support is fixed on pipeline main part, data detection module includes temperature sensor, pressure sensor, concentration sensor, Wind speed detection device, airflow direction indicating device, heat preservation accuse temperature module is including accuse temperature layer, accuse temperature layer casing parcel protection covers in pipeline main part's outside, accuse temperature layer sets up between accuse temperature layer casing and pipeline main part, the additional mechanism includes access door, flange, the lug of plugging into, the lug is located pipeline main part's both ends.
The temperature control layer is made of heat insulation materials or heat exchange pipelines. The air cannon nozzle is positioned at the bottom of the inner side of the pipeline main body. The powder nozzles are distributed on one side of the air inlet end of the pipeline main body. The rotary vane is formed by combining a first group of rotary vanes and a second group of rotary vanes, and the first group of rotary vanes and the second group of rotary vanes are fixed on two sides inside the pipeline main body in an orientation symmetric relation. The air bag support is fixed on the outer wall of the pipeline main body. And two ends of the connecting auxiliary are respectively movably connected with the air cannon pipeline and the high-pressure air bag through threads.
The invention has the beneficial effects that: the invention has modular structural design characteristics, consists of a reaction device main body, an auxiliary functional module and an auxiliary mechanism, is mainly applied to a dry or semi-dry desulfurization and denitration treatment system, can be used as an independent desulfurization and denitration process reaction device in the treatment system, can also be used as a high-efficiency synergistic reaction device for a pipeline reaction device instead of a gas path conveying pipeline of the system, can greatly improve the reaction efficiency of the treatment system, reduce the floor area of the system, reduce the difficulty in system arrangement and the loss of manufacturing materials, save energy consumption, strengthen the control on system operation data, improve the after-sale maintenance efficiency, greatly promote the application of the dry or semi-dry desulfurization and denitration system in the environmental protection industry of China, and make contributions to the environmental protection field.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a front view of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a side view of the present invention;
FIG. 4 is a schematic view of the spiral gas flow path of the present invention;
FIG. 5 is a schematic view of the combination of the main body and the rotary vane of the present invention;
FIG. 6 is a multi-angle perspective view of the rotary vane of the present invention.
In the figure, a first group of rotary vanes 1, a second group of rotary vanes 2, a pipeline main body 3, a temperature control layer 4, a temperature control layer shell 5, an air cannon nozzle 6, an air cannon pipeline 7, a connecting auxiliary component 8, a high-pressure air bag 9, an electromagnetic pulse valve 10, an air bag bracket 11, a powder nozzle 12, a pneumatic conveying pipeline 13, an electromagnetic valve 14, a data detection module 15, a sensor wire pipe 16, an access door 17, high-pressure pulse airflow 18, a rotational flow 19, a rotational flow path 20, an air inlet end connection flange 21, an air outlet end connection flange 22, a lifting lug 23, an air inlet end 24 and an air outlet end 25.
Detailed Description
Referring to fig. 1 to 6, in order to better describe the structure, principle, and the like, a horizontal high-efficiency cyclone reaction apparatus is preferably used as an example. A high-efficiency rotational flow reaction device comprises a reaction device main body, an auxiliary function module and an auxiliary mechanism, wherein the reaction device main body comprises a pipeline main body 3 and a rotary vane, the rotary vane is fixed inside the pipeline main body 3, the auxiliary function module comprises a powder injection module, a pulse injection module, a data detection module 15, a heat preservation and temperature control module and a circuit control module, the circuit control module is installed in a proper area of the reaction device main body and is connected with an electrical component through a circuit and a pipeline, the powder injection module is formed by sequentially connecting a powder nozzle 12, a pneumatic conveying pipeline 13 and an electromagnetic valve 14, the pulse injection module comprises an air cannon nozzle 6, an air cannon pipeline 7, a connecting auxiliary 8, a high-pressure air bag 9 and an electromagnetic pulse valve 10, the air cannon nozzle 6, the air cannon pipeline 7, the connecting auxiliary 8, the high-pressure air bag 9 and the electromagnetic pulse valve 10 are sequentially connected, connect auxiliary 8 and be the metal connecting pipe fitting, high-pressure gas bag 9 is fixed on gas bag support 11, and gas bag support 11 is fixed on pipeline subject 3, data detection module 15 includes temperature sensor, pressure sensor, concentration sensor, wind speed detection device, airflow direction indicating device and support circuit's module constitution, and data detection module 15 passes through sensor spool 16 and installs in the top lateral wall or other suitable regions of pipeline subject 3, and sensor spool 16 stretches into the inside of pipeline subject 3, heat preservation accuse temperature module includes accuse temperature layer 4, accuse temperature layer casing 5 parcel protection covers in the outside of pipeline subject 3, accuse temperature layer 4 sets up between accuse temperature layer casing 5 and pipeline subject 3, the additional mechanism includes access door 17, flange, lug 23 of plugging into, the flange of plugging into by the air inlet flange 21 of plugging into, the flange 21 of plugging into, The air outlet end is connected with the flange 22, and the lifting lugs 23 are positioned at two ends of the pipeline main body 3. The temperature control layer 4 is made of heat insulation materials or heat exchange pipelines. The air cannon nozzle 6 is located at the bottom of the inside of the pipe body 3. An air inlet end 24 and an air outlet end 25 are arranged on the pipeline main body 3, and the powder nozzles 12 are distributed on one side of the air inlet end 24 of the pipeline main body 3. The rotary vane can be formed by combining a plurality of rotary vanes in an array form, and the size, the number, the fixed position and the inclination angle of the rotary vanes are comprehensively calculated according to the pipe diameter of the pipeline main body 3, the wind speed, laboratory data and the actual working condition. The preferred scheme is as follows: the rotary vane is formed by combining a first group of rotary vanes 1 and a second group of rotary vanes 2, and the first group of rotary vanes 1 and the second group of rotary vanes 2 are fixed on two sides inside the pipeline main body 3 in a position symmetric relation. The air bag support 11 is fixed on the outer wall of the pipeline main body 3. And two ends of the connecting auxiliary part 8 are respectively movably connected with the air cannon pipeline 7 and the high-pressure air bag 9 through threads.
The working principle is as follows: when the device is used as an independent reaction device or a pipeline reaction device and applied to a dry-method or semi-dry-method desulfurization and denitration treatment system, polluted flue gas enters a pipeline main body through the gas inlet end of the reaction device, a part of gas flow is influenced by the constraint action of the rotary vane when contacting the surface of the rotary vane so as to change the flow direction of the gas flow, and the part of reversed gas flow continuously acts on the residual gas flow which is not contacted with the rotary vane and changes the flow direction along with the residual gas flow, so that all the gas flow passing through the pipeline main body is changed into a spiral flow path which is constrained by the rotary vane from a linear flow path which freely flows, and then flows out from the gas outlet end of the reaction device; after the airflow enters the pipeline main body, the powder nozzle positioned at the air inlet end of the pipeline main body can simultaneously spray a reactant, the reactant can be mixed with the airflow and generates a gas-solid reaction on the spiral flow path, and the purpose of removing corresponding harmful substances in the airflow is achieved; the length of the flow path of the airflow is prolonged when the airflow is changed from a linear flow path to a spiral flow path, the flow speed of the airflow is improved, and the airflows interact and mix in the turning process, so that the slip speed between gas and solid is improved, and the reaction efficiency of gas-solid reaction is improved; the airflow has higher overflowing wind speed in the tangential direction of the outer ring of the spiral path, the blowing and flying capability of dust deposited at the bottom of the pipeline is improved, and the probability of dust deposition and caking is effectively reduced; the pulse module is mainly applied to a reaction device which is installed in a horizontal position, and can generate pulse high-pressure blowing airflow which is attached to the bottom of the pipeline main body, thereby effectively avoiding the generation of accumulated dust and effectively removing the accumulated dust and scale; the combined application of the heat-preservation temperature-control module, the data detection module and the circuit control module can monitor and regulate the factors such as temperature, pressure, wind speed, wind direction, concentration and the like in the pipeline main body, provide an ideal reaction environment for gas-solid reaction in the mixed dust gas and ensure the stability of the reaction efficiency; the auxiliary mechanism provides convenience for quick lifting, installation, overhaul and replacement of the reaction device.
The invention has modular structural design characteristics, consists of a reaction device main body, an auxiliary functional module and an auxiliary mechanism, is mainly applied to a dry or semi-dry desulfurization and denitration treatment system, can be used as an independent desulfurization and denitration process reaction device in the treatment system, and can also be used as a high-efficiency synergistic reaction device for a pipeline reaction device instead of a gas path conveying pipeline of the system; the outer contour of the main body of the device is approximately a circular pipeline type integral structure, a spiral fluid layout reaction structure is formed by combining and matching a plurality of specially-made rotary vanes at a certain angle in the main body, the specially-made rotary vanes are curved surface type structural blades which accord with hydromechanics and are designed through repeated comprehensive simulation tests, and the wind resistance coefficient is extremely low, the spiral fluid layout can change a gas flow path passing through a pipeline from a linear type to a spiral type on the premise of minimum pneumatic loss, so that the reaction distance and the reaction duration of gas-solid reaction in the same space are greatly prolonged, the slip speed between gas and solid is improved, and further the reaction efficiency of polluted gas flow and reactant is improved; the spiral gas flow path has high tangential gas flow velocity, and can effectively avoid the deposition and agglomeration of reactant in the horizontal pipeline; the device main body is additionally provided with auxiliary modules such as a powder spraying module, a pulse spraying module, a data detection module, a heat preservation and temperature control module, a circuit control module and the like, and auxiliary mechanisms such as an access door, a connection flange, a lifting lug and the like; the powder spraying module is used for uniformly spraying a reactant into the device; the pulse blowing module can generate instantaneous high-pressure pulse airflow to the bottom of the horizontal pipeline so as to prevent the deposition of 'reactant and material agent' at the bottom of the pipeline; the data detection module can collect and transmit data such as temperature, pressure, flow velocity, concentration and the like in the reaction device; the heat-preservation and temperature-control module can play a role in keeping the temperature and controlling the temperature of the reaction device as required; the circuit control module can read various data of the data acquisition module and perform data transmission with a master control network, so that the reaction device has the purposes of real-time data monitoring and management; the maintenance door uses a double-section swing arm type quick-opening maintenance door which is researched and developed in a matching way, so that the maintenance efficiency of the reaction device is improved; the connection flange can enable the reaction device to have the characteristic of modularization, can be flexibly and freely quickly combined, installed and matched in the layout of a gas circuit pipeline of a treatment system, and can realize quick module-level replacement in after-sales maintenance; in conclusion, when the high-efficiency rotational flow reaction device is applied to a dry-process or semi-dry-process desulfurization and denitration treatment system, the reaction efficiency of the treatment system can be greatly improved, the occupied area of the system is reduced, the system arrangement difficulty and the manufacturing material loss are reduced, the energy consumption is saved, the control on the system operation data is strengthened, the after-sale maintenance efficiency is improved, the application of the dry-process or semi-dry-process desulfurization and denitration system in the environmental protection industry of China is greatly promoted, and the high-efficiency rotational flow reaction device makes a contribution to the environmental protection field.
Claims (7)
1. The utility model provides a high-efficient whirl reaction unit, includes reaction unit main part, auxiliary function module and additional mechanism, its characterized in that: the reaction device main part comprises a pipeline main body and a rotary vane, the rotary vane is fixed in the pipeline main body, the auxiliary function module comprises a powder spraying module, a pulse spraying module, a data detection module and a heat preservation and temperature control module, the powder spraying module is formed by sequentially connecting a powder nozzle, a pneumatic conveying pipeline and an electromagnetic valve, the pulse spraying module comprises an air cannon nozzle, an air cannon pipeline, a connection auxiliary, a high-pressure air bag and an electromagnetic pulse valve, the air cannon nozzle, the air cannon pipeline, the connection auxiliary, the high-pressure air bag and the electromagnetic pulse valve are sequentially connected, the high-pressure air bag is fixed on an air bag support, the air bag support is fixed on the pipeline main body, the data detection module comprises a temperature sensor, a pressure sensor, a concentration sensor, a wind speed detection device and an airflow direction indicating device, and the heat preservation and temperature control module comprises a temperature control, The temperature control layer shell wraps and protects and covers the outside of the pipeline main body, the temperature control layer is arranged between the temperature control layer shell and the pipeline main body, the attachment mechanism comprises an access door, a connecting flange and lifting lugs, and the lifting lugs are located at two ends of the pipeline main body.
2. A high efficiency cyclonic reaction apparatus as claimed in claim 1, wherein: the temperature control layer is made of heat insulation materials or heat exchange pipelines.
3. A high efficiency cyclonic reaction apparatus as claimed in claim 1, wherein: the air cannon nozzle is positioned at the bottom of the inner side of the pipeline main body.
4. A high efficiency cyclonic reaction apparatus as claimed in claim 1, wherein: the powder nozzles are distributed on one side of the air inlet end of the pipeline main body.
5. A high efficiency cyclonic reaction apparatus as claimed in claim 1, wherein: the rotary vane is formed by combining a first group of rotary vanes and a second group of rotary vanes, and the first group of rotary vanes and the second group of rotary vanes are fixed on two sides inside the pipeline main body in an orientation symmetric relation.
6. A high efficiency cyclonic reaction apparatus as claimed in claim 1, wherein: the air bag support is fixed on the outer wall of the pipeline main body.
7. A high efficiency cyclonic reaction apparatus as claimed in claim 1, wherein: and two ends of the connecting auxiliary are respectively movably connected with the air cannon pipeline and the high-pressure air bag through threads.
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CN202010094246.5A CN111111394A (en) | 2020-02-15 | 2020-02-15 | High-efficient whirl reaction unit |
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CN202010094246.5A CN111111394A (en) | 2020-02-15 | 2020-02-15 | High-efficient whirl reaction unit |
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CN111111394A true CN111111394A (en) | 2020-05-08 |
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CN202010094246.5A Pending CN111111394A (en) | 2020-02-15 | 2020-02-15 | High-efficient whirl reaction unit |
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2020
- 2020-02-15 CN CN202010094246.5A patent/CN111111394A/en active Pending
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