CN208406428U - Flue gas membrane type is dried system - Google Patents
Flue gas membrane type is dried system Download PDFInfo
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- CN208406428U CN208406428U CN201820914174.2U CN201820914174U CN208406428U CN 208406428 U CN208406428 U CN 208406428U CN 201820914174 U CN201820914174 U CN 201820914174U CN 208406428 U CN208406428 U CN 208406428U
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Abstract
A kind of flue gas membrane type drying process system, it is connect by sample-taking tracing pipeline with spiral heating filter smoke inlet in system smoke inlet, the spiral heating filter exhanst gas outlet is connect by pipeline with Ammonia removing machine, and the Ammonia removing machine outlet is through membrane type gas dry pipe, sample air-flow meter, dew point hygrometer and connecting pipeline extraction system exhanst gas outlet；The spiral heating filter bottom evacuation port draws emptying outlet by emptying solenoid valve, jet pump and connecting pipeline；The system is additionally provided with system blowback air entrance, it is exported by pressure switch, blowback air filter, gas conversion electromagnetic valve and blowback air flowmeter, membrane type gas dry pipe and connecting pipeline extraction system blowback air, another outlet of the gas conversion electromagnetic valve is connect with the blowback air entrance of jet pump.Compact-sized, long service life is at low cost, and maintenance is small, and flue gas is heated evenly, and the effective flocculate removed in flue gas, treated, and sample gas dew-point temperature is low, and the data of measurement are more authentic and valid.
Description
Technical field
The utility model relates to a kind of flue gas drying processing system more particularly to a kind of cigarettes applied to boiler emission flue gas
Air film type is dried system.
Background technique
Flue gas drying processing system is the processing system applied to boiler emission flue gas, existing flue gas drying processing system
It has the following problems:
1) in smoke filtration pipeline, solenoid valve is installed, when solenoid valve is opened, blowback air will be deposited by the solenoid valve
Object purges out pipeline, and by certain time, deposit purging does not occur wall built-up phenomenon completely, if replacement is not managed in a short time
Road just will appear blocking pipeline.
2) heater in system is heating rod, and heating surface (area) (HS is limited, and flue-gas temperature control is unstable, and there are residual for particulate matter
Stay wall built-up phenomenon.
3) flue gas moisture is absorbed using desiccant, desiccant volume is bigger, and the replacement cycle is short, at high cost.
Utility model content
The purpose of this utility model is to solve the above problem of the existing technology, provide a kind of flue gas mode it is dry at
Reason system.
The technical solution of the utility model is:
A kind of flue gas membrane type is dried system, including cabinet body, is arranged system smoke inlet at the top of cabinet body, it is special it
Place is: the system smoke inlet is connected by the spiral heating filter smoke inlet of sample-taking tracing pipeline and setting on the cabinet
It connects, the heating core of the spiral heating filter is helical form, and the spiral heating filter exhanst gas outlet is by pipeline and admittedly
Fixed Ammonia removing machine connection on the cabinet, the Ammonia removing machine outlet are connect with membrane type gas dry pipe, the membrane type gas dry pipe
Sample air-flow meter, dew point hygrometer and connecting pipeline extraction system exhanst gas outlet are passed through in outlet；The bottom of the spiral heating filter
Evacuation port draws emptying outlet by emptying solenoid valve, jet pump and connecting pipeline；The system is additionally provided with system blowback air entrance,
The system blowback air entrance is by pressure switch, blowback air filter, gas conversion electromagnetic valve and blowback air flowmeter, membrane type
Gas dry pipe blowback air entrance, the outlet of membrane type gas dry pipe blowback air, the outlet of connecting pipeline extraction system blowback air, it is described
Another outlet of gas conversion electromagnetic valve is connect with another entrance of jet pump.
Further, PLC control system, device mounting board, flowmeter mounting plate and mistake are from top to bottom set on the cabinet
Filter mounting plate, corresponds to the PLC control system position setting operation panel on the cabinet, and the emptying solenoid valve and gas turn
It changes solenoid valve to connect with the PLC control system output control terminal, temperature is set on the heating core of the spiral heating filter
Sensor one is spent, temperature sensor two is set in membrane type gas generator smoke inlet, the temperature sensor one and temperature pass
Sensor two is connect with PLC control system, and the PLC control system shows that output end connects display screen, and the display screen is used to show
Show the heating temperature and blowback film temperature of spiral heating filter；The sample air-flow meter, the setting of blowback air flowmeter and dew point
Instrument is arranged on flowmeter mounting plate, and the blowback air filter is arranged on filter mounting plate.
Further, the spiral heating filter includes the lauter tub of outer surface setting helical form heating core, sealing suit
The filtering body in lauter tub upper port is arranged in outer tube in lauter tub outer surface, is sealingly mounted at lauter tub upper surface and center is set
There is the lauter tub lid of center port, is spirally coiled in the white steel that space between outer bushing surface and upper port and filtering body and lauter tub communicates
The outer spiral shell cutting ferrule top connection that lauter tub covers and inner hollow hole is communicated with lauter tub lid center port is arranged in pipe, is arranged at lauter tub bottom
The outer spiral shell cutting ferrule lower contact that at portion's evacuation port and inner hollow hole is communicated with lauter tub bottom evacuation port, be separately positioned on lauter tub lid and
The upper mounting rack of lauter tub bottom and lower mounting rack.
Further, the system exhanst gas outlet, emptying outlet, system blowback air entrance and system blowback air outlet setting
In cabinet body lower part.
Further, it is the central strut, centrally disposed that pedestal and top set ladder platform that the filtering body, which includes bottom,
In the ladder platform of strut top and centre sets the filter core lid of outlet, the filtering being arranged between filter core lid and central strut pedestal
Gasket two between filter core lid and filtration core and between centrally disposed strut pedestal and filtration core is arranged in core, described
Central strut is equipped with axial center hole, and the top aperture of the axial center hole is communicated with lauter tub lid center port, the center branch
The lower part of bar is equipped with the lateral air inlet communicated with its internal axial center hole, the flue gas entered by white steel pipe by filtration core,
The lateral air inlet and axial center hole of center support, lauter tub lid center port, the discharge of outer spiral shell cutting ferrule top connection hollow hole.
Further, the spiral heating filter, Ammonia removing machine and drying tube top are arranged in incubation chamber, the heat preservation
Heat-preservation cotton is arranged in box setting on the cabinet and around it.
Further, the blowback air filter is by flowing to the pressure regulation filter, the C that arrange from front to back according to blowback air
Grade filter, the pole T filter and A grades of filters are constituted.
Further, the lauter tub lid is existed by being provided at its inner portion and being seated in the spacer of lauter tub upper surface and setting
Gasket one between spacer and lauter tub lid realizes the sealing installation of lauter tub.
Further, the heating core is heating coil.
The beneficial effects of the utility model are:
1) jet pump being installed additional in smoke filtration pipeline, being mounted on spiral heating filter evacuation port, blowback air passes through gas
Body conversion electromagnetic valve enters jet pump and takes deposit out of, compact-sized, no mechanical moving element, long service life, installation letter
Single, at low cost, maintenance is small.
2) it transform the heating rod of original product as spiral type heated filter, spiral heating filter is heated to sample gas
Flue gas is accessed spiral heating filter by sample-taking tracing pipeline by filter, flue gas, and spiral heating area is big, temperature control 70~
Between 80 DEG C, flue gas is heated evenly spiral heater is intracavitary, enters Ammonia removing machine by filtering body (filtering accuracy is 0.1 μm),
Flocculate in effective removal flue gas.
3) desiccant of original product is used instead membrane type gas dry pipe, dry, clean, continuous blowback air enters drying tube
It is inversely contacted afterwards with dry membrane tube wall, selectively the vapor in sample gas is balanced and taken out of from sample gas by infiltration,
As long as the migration of vapor carries out always there are psychrometric difference inside and outside pipe, CEMS system flue gas pretreatment in sample gas into
Row dehydration, reachable -30 DEG C of sample gas dew-point temperature that treated is hereinafter, be far below the dew point temperature of the pretreatment system of cryochem
It spends, the moisture content in sample gas can substantially reduce, and greatly improve the accuracy of gaseous pollutant measurement.After being suitble to wet desulphurization
High humidity, low temperature, low concentration SO2CEMS pretreatment.
4) it is dried after the improved product treatment of flue gas and condensed water will not be generated so that gaseous pollutant is dissolved in
Water and lose, the data of measurement are more authentic and valid.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the device mounting board structural schematic diagram of the utility model；
Fig. 3 is the structural schematic diagram of the spiral heating filter of the utility model；
Fig. 4 is the schematic diagram of gas circuit of the utility model；
Fig. 5 is the electrical schematic diagram of the utility model.
In figure: 1. cabinet bodies, 2. sample-taking tracing pipelines, 3. system smoke inlets, 4.PLC control system, 401- display screen, 5-
Operation panel, 6- device mounting board, 7- connecting pipeline, 8- flowmeter mounting plate, 9- filter mounting plate, 10- system blowback air
Outlet, 11- system blowback air entrance, 12- emptying outlet, 13- system exhanst gas outlet, 14- heat-preservation cotton, 15- cutting ferrule BULKHEAD UNION,
16- cable BULKHEAD UNION, 17. spiral heating filters, 18. Ammonia removing machines, 19. membrane type gas dry pipes, 20. incubation chambers, 21. rows
Empty solenoid valve, 22. jet pumps, 23. blowback air flowmeters, 24. gas conversion electromagnetic valves, 25. dew point hygrometers, 26. sample air-flow meters,
27. pressure switch, 28. pressure regulation filters, 29.C grades of filters, the pole 30.T filter, 31.A grades of filters, 32. white steel pipes,
33. sealing ring, 34. filter core lids, 35. outer spiral shell cutting ferrule top connections, 36. lauter tub lids, 37. gaskets one, mounting rack on 38., 39. filters
Bucket, 40. outer tubes, 41. filtration cores, 42. central struts, 4201. axial center holes, 4202. lateral air inlets, 43. gaskets
Two, 44. heating cores, 45. smoke inlets, 46. lower mounting racks, 47. outer spiral shell cutting ferrule lower contacts, 48. evacuation ports, 49. spacers, 50.
Temperature sensor one.
Specific embodiment
As shown, the utility model includes cabinet body 1, system smoke inlet 3, the system cigarette are set at the top of cabinet body 1
Gas entrance 3 is connect by sample-taking tracing pipeline 2 with 17 smoke inlet of spiral heating filter being fixed on cabinet body 1, institute
Spiral heating filter exhanst gas outlet is stated to connect by connecting pipeline 7 with 18 entrance of Ammonia removing machine being fixed on cabinet body 1, it is described to remove
The outlet of ammonia device 18 is connect with membrane type gas dry pipe 19, and the outlet of membrane type gas dry pipe 19 is by sample air-flow meter 26, dew
The bottom evacuation port of point instrument 25 and connecting pipeline extraction system exhanst gas outlet 13, the spiral heating filter 17 passes through emptying electricity
Magnet valve 21, jet pump 22 and connecting pipeline draw emptying outlet 12, for discharging the residue after smoke filtration.The utility model
It is additionally provided with system blowback air entrance 11, the system blowback air entrance 11 turns by pressure switch 27, blowback air filter, gas
It is divided into two-way after changing solenoid valve 24, wherein all the way through 24 first outlet of gas conversion electromagnetic valve, blowback air flowmeter 23, institute
State 19 blowback air entrance of membrane type gas dry pipe, 19 blowback air of membrane type gas dry pipe outlet and connecting pipeline extraction system
Blowback air outlet 10, another way passes through 24 second outlet of gas conversion electromagnetic valve, 22 blowback air entrance of jet pump, the jet pump
22 outlets are connected with the connecting pipeline for drawing emptying outlet 12.
The system exhanst gas outlet 13,10 setting of emptying outlet 12, system blowback air entrance 11 and the outlet of system blowback air
In 1 lower part of cabinet body.
From top to bottom setting integrates the PLC control system 4 of display screen 401, device mounting board 6, flow on cabinet body 1
Mounting plate 8 and filter mounting plate 9 are counted, 4 position of the PLC control system setting operation panel 5, institute are corresponded to before cabinet body 1
It states emptying solenoid valve 21 and gas conversion electromagnetic valve 24 to connect with 4 output control terminal of PLC control system, add in the spiral
Temperature is arranged in 19 smoke inlet of membrane type gas dry pipe in mounting temperature sensor 1 on the helical form heating core of heat filter 17
It spends sensor two (being omitted in figure), the temperature sensor 1 and temperature sensor two are connect with PLC control system 4, described
Display screen 401 is used to show the heating temperature and blowback film temperature of spiral heating filter；The spiral heating filter 17 removes
Ammonia device 18 and 19 pipe top of membrane type gas dry are arranged in incubation chamber 20, and the incubation chamber 20 is arranged on device mounting board 6
And heat-preservation cotton 14 is set around it, cutting ferrule BULKHEAD UNION 15 and cable BULKHEAD UNION 16 are set on the device mounting board,
The cable BULKHEAD UNION 16 is used to draw the device wire on device mounting board 9, the sample air-flow meter 26, blowback air-flow
Meter 23 and dew point hygrometer 25 are arranged on flowmeter mounting plate 8, and the blowback air filter is arranged on filter mounting plate 9.
The blowback air filter is by flowing to the pressure regulation filter 28 arranged from front to back, C grades of filterings according to blowback air
Device 29, the pole T filter 30 and A grades of filters 31 are constituted.
The spiral heating filter 17 includes the lauter tub 39 of outer surface setting helical form heating core 44, and 39 bottom of lauter tub is set
There is an evacuation port 48, the heating core 44 uses heating coil, (by PLC control system between 180 DEG C of -220 DEG C of ranges of heating temperature
Control), sealing shroud is mounted in the outer tube 40 of 39 outer surface of lauter tub, and the sealing ring 33 being installed in outer tube upper inside wall passes through
Sealing ring 33 realizes the sealing between lauter tub and outer tube, and the outer tube lower end surface is stuck in the card edge of 39 lower external face of lauter tub
On, the filtering body in 39 upper port of lauter tub is set, is sealingly mounted at 39 upper surface of lauter tub and center and is equipped with the lauter tub of center port
Lid 36 is spirally coiled in 40 surface of outer tube and space communicates between upper port and the filtering body and lauter tub 39 white steel pipe
32, the outer spiral shell cutting ferrule top connection 35 that on lauter tub lid 36 and inner hollow hole is communicated with 36 center port of lauter tub lid is set, and setting exists
The outer spiral shell cutting ferrule lower contact 47 that at lauter tub bottom evacuation port 48 and inner hollow hole is communicated with lauter tub bottom evacuation port 48, sets respectively
Set the upper mounting rack 38 and lower mounting rack 46 in 39 bottom of lauter tub lid 36 and lauter tub.The outlet of the sample-taking tracing pipeline 2 is installed
On cutting ferrule BULKHEAD UNION 15, the other end of the cutting ferrule BULKHEAD UNION 15 is connect with the smoke inlet 45 of the white steel pipe 32.
The lauter tub lid 36 be by be provided at its inner portion and be seated in the spacer 49 of 39 upper surface of lauter tub and setting every
Gasket 1 between set 49 and lauter tub lid 36 realizes the sealing installation of lauter tub.
The filtering body includes that bottom is that pedestal and top set the central strut 42 of ladder platform, on centrally disposed strut 42
In portion's ladder platform and centre is equipped with the filter core lid 34 of outlet, covers on central strut 42 and be arranged in filter core lid 34 and center branch
Filtration core 41 between 42 pedestal of bar is arranged between 41 upper surface of filter core lid 34 and filtration core and centrally disposed strut 42
Gasket 2 43 between 41 lower end surface of pedestal and filtration core is equipped with axial center hole 4201, institute inside the central strut 42
The top aperture for stating axial center hole 4201 is communicated with 36 center port of lauter tub lid, the lower part of the central strut 42 be equipped with in it
The lateral air inlet 4202 that portion's axial center hole 4201 communicates.
The upper mounting rack 38, lower mounting rack 46 material be 304 stainless steels and to be mounted on cabinet body 1 by screw,
As 17 fixed frame of spiral heating filter；The lauter tub lid 36, filter core lid 34, lauter tub 39, outer tube 40, white steel pipe 32, mistake
The material of filter core 41 is 304 stainless steels, and the filtering accuracy of filtration core 41 is 0.45 η m；The gasket, central strut 42, connection
The material of pipeline is PTFE；The material SI of sealing ring 33；
When work, after being heated by the flue gas that system smoke inlet 3 enters by sample-taking tracing pipeline 2, by white steel pipe entrance
45 enter white steel pipe 32, and flue gas is heated after core 44 heats by filtration core 41,4202 and of lateral air inlet of center support 42
Axial center hole 4201,36 center port of lauter tub lid, the discharge of outer 35 hollow hole of spiral shell cutting ferrule top connection, using Ammonia removing machine 18, membrane type
Gas dry pipe 19, sample air-flow meter 26, dew point hygrometer 25 and connecting pipeline, are discharged by system exhanst gas outlet 13.Blowback air entrance
The 11 high pressure blowback airs entered are after the filtering of blowback air filter by gas conversion electromagnetic valve (being controlled by PLC control system) the
Two outlets enter jet pump 22 and take deposit out of jet stream pump discharge, are discharged by emptying outlet 12.System blowback air entrance 11
The high pressure blowback air of entrance by gas conversion electromagnetic valve (controlled by PLC control system) first outlet, blowback air flowmeter 23,
After membrane type gas dry pipe 19 and connecting pipeline, by 10 discharge of system blowback air outlet.
The above are only specific embodiments of the present invention, is not intended to limit the utility model, for this field
Technical staff for, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model,
Any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (9)
1. a kind of flue gas membrane type is dried system, including cabinet body, system smoke inlet is set at the top of cabinet body, it is characterized in that:
The system smoke inlet is connect by sample-taking tracing pipeline with the spiral heating filter smoke inlet of setting on the cabinet, institute
The heating core for stating spiral heating filter is helical form, and the spiral heating filter exhanst gas outlet is by pipeline and is fixed on cabinet
Ammonia removing machine connection on body, the Ammonia removing machine outlet are connect with membrane type gas dry pipe, membrane type gas dry pipe outlet warp
Cross sample air-flow meter, dew point hygrometer and connecting pipeline extraction system exhanst gas outlet；The bottom evacuation port of the spiral heating filter
Emptying outlet is drawn by emptying solenoid valve, jet pump and connecting pipeline；The system is additionally provided with system blowback air entrance, the system
Blowback air entrance of uniting is dry by pressure switch, blowback air filter, gas conversion electromagnetic valve and blowback air flowmeter, membrane type gas
Dry pipe blowback air entrance, the outlet of membrane type gas dry pipe blowback air, the outlet of connecting pipeline extraction system blowback air, the gas turn
Another outlet for changing solenoid valve is connect with another entrance of jet pump.
2. flue gas membrane type according to claim 1 is dried system, it is characterized in that: being from top to bottom arranged on the cabinet
PLC control system, device mounting board, flowmeter mounting plate and filter mounting plate, corresponds to the PLC control system on the cabinet
Operation panel, the emptying solenoid valve and gas conversion electromagnetic valve is arranged in position and the PLC control system output control terminal connects
It connects, temperature sensor one is set on the heating core of the spiral heating filter, is set in membrane type gas generator smoke inlet
Temperature sensor two is set, the temperature sensor one and temperature sensor two are connect with PLC control system, PLC control system
System display output end connects display screen, and the display screen is used to show the heating temperature and blowback film temperature of spiral heating filter
Degree；The sample air-flow meter, the setting of blowback air flowmeter and dew point hygrometer are arranged on flowmeter mounting plate, the blowback air filtering
Device is arranged on filter mounting plate.
3. flue gas membrane type according to claim 1 is dried system, it is characterized in that: the spiral heating filter includes
The lauter tub of helical form heating core is arranged in outer surface, and sealing shroud is mounted in the outer tube of lauter tub outer surface, is arranged in lauter tub upper port
Filtering body, be sealingly mounted at the lauter tub lid that lauter tub upper surface and center are equipped with center port, be spirally coiled in outer bushing surface and
The white steel pipe that space communicates between upper port and filtering body and lauter tub, setting cover in lauter tub and in inner hollow hole and lauter tub lids
The outer spiral shell cutting ferrule top connection that the pit of the stomach communicates, is arranged at the evacuation port of lauter tub bottom and inner hollow hole and lauter tub bottom evacuation port phase
Logical outer spiral shell cutting ferrule lower contact is separately positioned on the upper mounting rack and lower mounting rack of lauter tub lid and lauter tub bottom.
4. flue gas membrane type according to claim 1 is dried system, it is characterized in that: the system exhanst gas outlet, emptying
Outlet, system blowback air entrance and the outlet of system blowback air are arranged in cabinet body lower part.
5. flue gas membrane type according to claim 3 is dried system, it is characterized in that: it is bottom that the filtering body, which includes bottom,
Seat and top sets the central strut of ladder platform, in the ladder platform of centrally disposed strut top and the intermediate filter core lid for setting outlet,
Be arranged in the filtration core between filter core lid and central strut pedestal, setting it is between filter core lid and filtration core and centrally disposed
Gasket two between strut pedestal and filtration core, the central strut are equipped with axial center hole, the top of the axial center hole
Portion aperture is communicated with lauter tub lid center port, the lower part of the central strut be equipped with communicated with its internal axial center hole laterally into
Stomata, the flue gas entered by white steel pipe is by filtration core, the lateral air inlet of center support and axial center hole, lauter tub lid center
Mouth, the discharge of outer spiral shell cutting ferrule top connection hollow hole.
6. flue gas membrane type according to claim 1 is dried system, it is characterized in that: the spiral heating filter, removing
Ammonia device and drying tube top are arranged in incubation chamber, and heat-preservation cotton is arranged in the incubation chamber setting on the cabinet and around it.
7. flue gas membrane type according to claim 1 is dried system, it is characterized in that: the blowback air filter be by by
Pressure regulation filter, C grades of filters, the pole T filter and the A grades of filters arranged from front to back according to blowback air flow direction are constituted.
8. flue gas membrane type according to claim 3 is dried system, it is characterized in that: the lauter tub lid is existed by setting
Its gasket one that is internal and being seated in the spacer of lauter tub upper surface and be arranged between spacer and lauter tub lid realizes the close of lauter tub
Envelope installation.
9. flue gas membrane type according to claim 1 is dried system, it is characterized in that: the heating core is heating coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820914174.2U CN208406428U (en) | 2018-06-13 | 2018-06-13 | Flue gas membrane type is dried system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820914174.2U CN208406428U (en) | 2018-06-13 | 2018-06-13 | Flue gas membrane type is dried system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208406428U true CN208406428U (en) | 2019-01-22 |
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ID=65111305
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820914174.2U Active CN208406428U (en) | 2018-06-13 | 2018-06-13 | Flue gas membrane type is dried system |
Country Status (1)
| Country | Link |
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| CN (1) | CN208406428U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108525423A (en) * | 2018-06-13 | 2018-09-14 | 锦州华冠环境科技实业股份有限公司 | Flue gas membrane type is dried system |
-
2018
- 2018-06-13 CN CN201820914174.2U patent/CN208406428U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108525423A (en) * | 2018-06-13 | 2018-09-14 | 锦州华冠环境科技实业股份有限公司 | Flue gas membrane type is dried system |
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