CN107570009A - Selective catalytic reduction catalyst automatic-exchanging system based on Internet of Things - Google Patents
Selective catalytic reduction catalyst automatic-exchanging system based on Internet of Things Download PDFInfo
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- CN107570009A CN107570009A CN201710927387.9A CN201710927387A CN107570009A CN 107570009 A CN107570009 A CN 107570009A CN 201710927387 A CN201710927387 A CN 201710927387A CN 107570009 A CN107570009 A CN 107570009A
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- 239000003054 catalyst Substances 0.000 title claims abstract description 62
- 238000010531 catalytic reduction reaction Methods 0.000 title claims abstract description 13
- 239000000428 dust Substances 0.000 claims abstract description 8
- 239000000203 mixture Substances 0.000 claims abstract description 3
- 230000003287 optical effect Effects 0.000 claims 1
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 abstract description 12
- 238000005367 electrostatic precipitation Methods 0.000 abstract description 5
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 9
- 238000000034 method Methods 0.000 description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 4
- 239000004202 carbamide Substances 0.000 description 4
- 238000006555 catalytic reaction Methods 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
- 239000003500 flue dust Substances 0.000 description 3
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 2
- 239000013618 particulate matter Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000010953 base metal Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000012717 electrostatic precipitator Substances 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
Selective catalytic reduction catalyst automatic-exchanging system based on Internet of Things, belongs to electrostatic precipitation field.It mainly solving the technical problems that can be in good time more catalyst changeout, improve except nitre efficiency.Dust collecting pole plate, flue lower wall, flue entrance, discharge plate, flue upper wall, upper sensing slot, upper triangle catalyst backbone, rotating shaft, upper sensor assembly, upper sensor stand, right bearing, go out flue lower wall, change cabin right wall, change cabin lower wall, lower sensor support, lower sensor module, lower sensing slot, left bearing, change cabin left wall, boundary layer, infrarede emitting diode module, CC2530 modules, relay, driving stepper motor module, stepper motor, resistance, triode, infrared photosensitive diode (led) module, lower triangle catalyst backbone composition, wherein upper sensor assembly is made up of infrared photosensitive diode (led) module and infrarede emitting diode module.It is mainly used in electrostatic precipitation field.
Description
Technical field
The invention belongs to electrostatic precipitation field, and it is automatic to refer in particular to the selective catalytic reduction catalyst based on Internet of Things
Replacing system.
Background technology
The discharge of nitre can pollute to atmospheric environment, while its derivative is PM2.5 source again, thus except nitre is
Very important environmental practice.Selective catalytic reduction (Selective Catalytic Reduction, SCR) is to remove nitre
A kind of important method.SCR technology (SCR) is a handling process for NOx, the i.e. work in catalyst
Under, reducing agent ammonia or urea are sprayed into, the NOx in tail gas is reduced into N2And H2O.Catalyst has noble metal and base metal two
Class.Decompose generation ammonia at a certain temperature with urea) SCR is carried out to nitrogen oxides (NOx), so as to reach both
Energy-conservation and the purpose of emission reduction, spray into aqueous solution of urea, and urea generates NH after hydrolysis and pyrolytic reaction occur at high temperature3,
SCR system catalyst surface utilizes NH3NOX is reduced, discharges N2, unnecessary NH3It is also reduced to N2, prevent leakage.Due to catalysis
Agent is in rugged environment, and the pollutant in flue can be attached to the surface of catalyst, so as to completely cut off flue dust and catalyst
Contact, reduce except nitre efficiency.Catalyst will in time be changed and just can guarantee that except nitre effect in view of this situation.Catalyst at present
Change also only with artificial general estimation.Too early more catalyst changeout can cause to waste, and can reduce the efficiency except nitre again too late.
In order in good time more catalyst changeout, ensure the efficiency except nitre, the present invention proposes the selective catalysis based on Internet of Things also
Former method catalyst automatic-exchanging system.
The content of the invention
In order in good time more catalyst changeout, the efficiency except nitre is improved, the present invention proposes the selection based on Internet of Things
Property catalytic reduction method catalyst automatic-exchanging system.
The technical solution adopted for the present invention to solve the technical problems is：Apparatus of the present invention by dust collecting pole plate, flue lower wall,
Flue entrance, discharge plate, flue upper wall, upper sensing slot, upper triangle catalyst backbone, rotating shaft, upper sensor assembly, upper sensing
Device support, right bearing, go out flue lower wall, change cabin right wall, change cabin lower wall, lower sensor support, lower sensor module, pass down
Feel groove, left bearing, change cabin left wall, boundary layer, infrarede emitting diode module, CC2530 modules, relay, stepper motor drive
Dynamic model block, stepper motor, resistance, triode, infrared photosensitive diode (led) module, lower triangle catalyst backbone composition, wherein uploading
Sensor module is made up of infrared photosensitive diode (led) module and infrarede emitting diode module, it is characterized in that：The same flue of dust collecting pole plate
Lower wall is connected, and discharge plate is connected with flue upper wall, and upper sensing slot is same as above triangle catalyst backbone and is connected, upper triangle catalyst bone
Frame is connected with rotating shaft, and upper sensing slot is same as above sensor assembly and is connected, and upper sensor assembly is same as above sensor stand and is connected, and rotating shaft is same
Right bearing is connected, and right bearing is connected with flue lower wall is gone out, and goes out flue lower wall and is connected with cabin right wall is changed, and replacing cabin right wall is same to be changed
Cabin lower wall is connected, and changes cabin lower wall and is connected with cabin left wall is changed, and flue lower wall is connected with cabin left wall is changed, and left bearing is the same as under flue
Wall is connected, and left bearing is connected with rotating shaft, and lower sensor module is connected with lower sensing slot, and lower sensor support is the same as lower sensor module
It is connected, lower sensor support is connected with rotating shaft, and lower triangle catalyst backbone is connected with lower sensing slot, and boundary layer is same as above triangle catalysis
Agent skeleton is connected, and boundary layer is connected with lower triangle catalyst backbone, and infrared photosensitive diode (led) module is same as above sensing slot and is connected, infrared
Light-emitting diode (LED) module is same as above sensing slot and is connected, and upper sensor assembly is connected with CC2530 modules, and lower sensor module is same
CC2530 modules are connected, and resistance is connected with CC2530 modules, and relay is connected by triode with resistance, and stepper motor passes through step
Stepper motor drive module is connected with relay；Upper triangle catalyst backbone is triangular in shape；Lower triangle catalyst backbone is triangular in shape；
Change the length that cabin left wall length is more than lower sensor support；The depth of upper sensing slot is less than two points of upper sensor stand length
One of.
CC2530 is Internet of Things conventional chip.It is a real on-chip system of the ZigBee applications for 2.4GHz
Solution.It can establish powerful network node with low-down total material cost.The chip combines leading RF
The premium properties of transceiver, the enhanced 8051CPU of industrywide standard, In-System Programmable flash memory.CC2530 has different fortune
Row mode so that the system that it especially adapts to super low-power consumption requirement.Conversion time between operational mode is short to be further ensure that
Low energy expenditure.
Upper sensor assembly is made up of infrared photosensitive diode (led) module and infrarede emitting diode module, equally, lower sensing
Device module is also made up of infrared photosensitive diode (led) module and infrarede emitting diode module.Infrarede emitting diode is sent infrared
Light can be received by infrared photodiode, and this signal is sent to CC2530 modules, CC2530 modules by infrared photodiode
In single-chip microcomputer will receive this signal；After upper triangle catalyst backbone works a period of time, contacted for a long time with flue dust
Necessarily have particulate matter and be attached to catalyst surface, in order to reduce the amount for the particulate matter for being attached to catalyst surface, extend catalysis
The usage time of agent, the electrostatic precipitator in the Front-end Design except nitre process part.Although taking electrostatic precipitation measure, warp
After a while, dust can also fill up upper sensing slot, and now the infrared photodiode of upper sensor assembly will not receive
This signal is sent to CC2530 modules by the infrared light that infrarede emitting diode is sent, upper sensor assembly, in CC2530 modules
Single-chip microcomputer will send instruction, pass through resistance, triode, relay, the power supply of connection driving stepper motor module, so as to stepping electricity
Machine drive module rotates Driving Stepping Motor, drives axis of rotation, and upper triangle catalyst backbone will go to lower section, and lower triangle is urged
Agent skeleton will go to top, so as to complete the replacing of catalyst.Catalyst is placed in triangle catalyst backbone with
On triangle catalyst backbone.Using three-legged structure can be maximum increase flue dust with the contact area of catalyst, improve except nitre is imitated
Rate.
The beneficial effects of the invention are as follows in order in good time more catalyst changeout, the efficiency except nitre is improved.It is mainly used in
Electrostatic precipitation field.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is the side sectional structural map of the selective catalytic reduction catalyst automatic-exchanging system based on Internet of Things.
Fig. 2 is that figure is cutd open in catalyst square column cross section.
Fig. 3 is sensor cluster top view.
Fig. 4 is the circuit diagram of the present invention.
1. dust collecting pole plate in figure, 2. flue lower walls, 3. flue entrances, 4. discharge plates, 5. flue upper walls, sense on 6.
Groove, triangle catalyst backbone on 7., 8. rotating shafts, sensor assembly on 9., sensor stand on 10., 11. right bearings, 12. smokes
Road lower wall, 13. change cabin right wall, and 14. change cabin lower wall, 15. lower sensor supports, 16. lower sensor modules, 17. times sensings
Groove, 18. left bearings, 19. replacing cabin left walls, 20. boundary layers, 21. infrarede emitting diode modules, 22.CC2530 modules, 23.
Relay, 24. driving stepper motor modules, 25. stepper motors, 26. resistance, 27. triodes, 28. infrared photosensitive diode dies
Block, 29. times triangle catalyst backbones.
Embodiment
In Fig. 1, dust collecting pole plate 1 is connected with flue lower wall 2, and discharge plate 4 is connected with flue upper wall 5, and upper sensing slot 6 is same
Upper triangle catalyst backbone 7 is connected, and upper triangle catalyst backbone 7 is connected with rotating shaft 8, and upper sensing slot 6 is same as above the phase of sensor assembly 9
Even, upper sensor assembly 9 be same as above sensor stand 10 be connected, rotating shaft 8 with right bearing 11 be connected, right bearing 11 with go out flue lower wall
12 are connected, and go out flue lower wall 12 and are connected with cabin right wall 13 is changed, and change cabin right wall 13 and are connected with cabin lower wall 14 is changed, change under cabin
Wall 14 is connected with cabin left wall 19 is changed, and flue lower wall 2 is connected with cabin left wall 19 is changed, and left bearing 18 is connected with flue lower wall 2, left
Bearing 18 is connected with rotating shaft 8, and lower sensor module 16 is connected with lower sensing slot 17, and lower sensor support 15 is the same as lower sensor module
16 are connected, and lower sensor support 15 is connected with rotating shaft 8, and lower triangle catalyst backbone 29 is connected with lower sensing slot 17.
In fig. 2, upper sensing slot 6 is same as above triangle catalyst backbone 7 and is connected, and boundary layer 20 is same as above triangle catalyst backbone 7
It is connected, boundary layer 20 is connected with lower triangle catalyst backbone 29, and lower triangle catalyst backbone 29 is connected with lower sensing slot 17.
In figure 3, infrared photosensitive diode (led) module 28 is same as above sensing slot 6 and is connected, and infrarede emitting diode module 21 is same as above
Sensing slot 6 is connected.
Sensor assembly 9 is connected with CC2530 modules 22 in fig. 4, the upper, and lower sensor module 16 is the same as CC2530 modules 22
It is connected, resistance 26 is connected with CC2530 modules 22, and relay 23 is connected by triode 27 with resistance 26, and stepper motor 25 passes through
Driving stepper motor module 24 is connected with relay 23.
Claims (5)
1. the selective catalytic reduction catalyst automatic-exchanging system based on Internet of Things, by dust collecting pole plate, flue lower wall, flue
Entrance, discharge plate, flue upper wall, upper sensing slot, upper triangle catalyst backbone, rotating shaft, upper sensor assembly, upper sensor branch
Frame, right bearing, go out flue lower wall, change cabin right wall, change cabin lower wall, lower sensor support, lower sensor module, lower sensing
Groove, left bearing, change cabin left wall, boundary layer, infrarede emitting diode module, CC2530 modules, relay, driving stepper motor
Module, stepper motor, resistance, triode, infrared photosensitive diode (led) module, lower triangle catalyst backbone composition, wherein upper sense
Device module is made up of infrared photosensitive diode (led) module and infrarede emitting diode module, it is characterized in that：Dust collecting pole plate is the same as under flue
Wall is connected, and discharge plate is connected with flue upper wall, and upper sensing slot is same as above triangle catalyst backbone and is connected, upper triangle catalyst backbone
It is connected with rotating shaft, upper sensing slot is same as above sensor assembly and is connected, and upper sensor assembly is same as above sensor stand and is connected, and rotating shaft is the same as right
Bearing is connected, and right bearing is connected with flue lower wall is gone out, and goes out flue lower wall and is connected with cabin right wall is changed, and replacing cabin right wall is same to change cabin
Lower wall is connected, and changes cabin lower wall and is connected with cabin left wall is changed, and flue lower wall is connected with cabin left wall is changed, and left bearing is the same as flue lower wall
It is connected, left bearing is connected with rotating shaft, and lower sensor module is connected with lower sensing slot, and lower sensor support is the same as lower sensor module phase
Even, lower sensor support is connected with rotating shaft, and lower triangle catalyst backbone is connected with lower sensing slot, and boundary layer is same as above triangle catalyst
Skeleton is connected, and boundary layer is connected with lower triangle catalyst backbone, and infrared photosensitive diode (led) module is same as above sensing slot and is connected, infrared hair
Optical diode module is same as above sensing slot and is connected, and upper sensor assembly is connected with CC2530 modules, the same CC2530 of lower sensor module
Module is connected, and resistance is connected with CC2530 modules, and relay is connected by triode with resistance, and stepper motor passes through stepper motor
Drive module is connected with relay.
2. the selective catalytic reduction catalyst automatic-exchanging system according to claim 1 based on Internet of Things, it is special
Sign is：Upper triangle catalyst backbone is triangular in shape.
3. the selective catalytic reduction catalyst automatic-exchanging system according to claim 1 based on Internet of Things, it is special
Sign is：Lower triangle catalyst backbone is triangular in shape.
4. the selective catalytic reduction catalyst automatic-exchanging system according to claim 1 based on Internet of Things, it is special
Sign is：Change the length that cabin left wall length is more than lower sensor support.
5. the selective catalytic reduction catalyst automatic-exchanging system according to claim 1 based on Internet of Things, it is special
Sign is：The depth of upper sensing slot is less than the half of upper sensor stand length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710927387.9A CN107570009A (en) | 2017-10-09 | 2017-10-09 | Selective catalytic reduction catalyst automatic-exchanging system based on Internet of Things |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710927387.9A CN107570009A (en) | 2017-10-09 | 2017-10-09 | Selective catalytic reduction catalyst automatic-exchanging system based on Internet of Things |
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| Publication Number | Publication Date |
|---|---|
| CN107570009A true CN107570009A (en) | 2018-01-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710927387.9A Pending CN107570009A (en) | 2017-10-09 | 2017-10-09 | Selective catalytic reduction catalyst automatic-exchanging system based on Internet of Things |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111773924A (en) * | 2020-06-22 | 2020-10-16 | 武汉第二船舶设计研究所(中国船舶重工集团公司第七一九研究所) | Catalytic device for denitration SCR hybrid contact in diesel engine tail gas |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204034565U (en) * | 2014-07-30 | 2014-12-24 | 浙江天洁环境科技股份有限公司 | A kind of equipment for denitrifying flue gas |
| CN106642706A (en) * | 2016-12-16 | 2017-05-10 | 东北师范大学 | Electric water heater automatic dirt discharge device based on sensor network |
| CN206325401U (en) * | 2016-12-23 | 2017-07-14 | 马鞍山金安环境科技有限公司 | A kind of flue-gas dust-removing and desulfurization denitrification system |
| CN207271068U (en) * | 2017-10-09 | 2018-04-27 | 东北师范大学 | Selective catalytic reduction catalyst automatic-exchanging system based on Internet of Things |
-
2017
- 2017-10-09 CN CN201710927387.9A patent/CN107570009A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204034565U (en) * | 2014-07-30 | 2014-12-24 | 浙江天洁环境科技股份有限公司 | A kind of equipment for denitrifying flue gas |
| CN106642706A (en) * | 2016-12-16 | 2017-05-10 | 东北师范大学 | Electric water heater automatic dirt discharge device based on sensor network |
| CN206325401U (en) * | 2016-12-23 | 2017-07-14 | 马鞍山金安环境科技有限公司 | A kind of flue-gas dust-removing and desulfurization denitrification system |
| CN207271068U (en) * | 2017-10-09 | 2018-04-27 | 东北师范大学 | Selective catalytic reduction catalyst automatic-exchanging system based on Internet of Things |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111773924A (en) * | 2020-06-22 | 2020-10-16 | 武汉第二船舶设计研究所(中国船舶重工集团公司第七一九研究所) | Catalytic device for denitration SCR hybrid contact in diesel engine tail gas |
| CN111773924B (en) * | 2020-06-22 | 2022-05-17 | 武汉第二船舶设计研究所(中国船舶重工集团公司第七一九研究所) | Catalytic device for denitration SCR hybrid contact in diesel engine tail gas |
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Application publication date: 20180112 |