CN203874605U - Heating system of dust collector - Google Patents
Heating system of dust collector Download PDFInfo
- Publication number
- CN203874605U CN203874605U CN201420245885.7U CN201420245885U CN203874605U CN 203874605 U CN203874605 U CN 203874605U CN 201420245885 U CN201420245885 U CN 201420245885U CN 203874605 U CN203874605 U CN 203874605U
- Authority
- CN
- China
- Prior art keywords
- hot air
- deduster
- air duct
- hot
- blast stove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 31
- 239000000428 dust Substances 0.000 title abstract description 27
- 239000007789 gas Substances 0.000 claims description 64
- 230000007246 mechanism Effects 0.000 claims description 17
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 14
- 239000001301 oxygen Substances 0.000 claims description 14
- 229910052760 oxygen Inorganic materials 0.000 claims description 14
- 239000003638 chemical reducing agent Substances 0.000 claims description 5
- 230000008676 import Effects 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 5
- 239000004570 mortar (masonry) Substances 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 8
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 25
- 238000006073 displacement reaction Methods 0.000 description 17
- 230000008569 process Effects 0.000 description 17
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- 238000001914 filtration Methods 0.000 description 8
- 230000008901 benefit Effects 0.000 description 6
- 238000010276 construction Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 6
- 239000003245 coal Substances 0.000 description 5
- 239000003034 coal gas Substances 0.000 description 5
- 238000002485 combustion reaction Methods 0.000 description 4
- 238000007599 discharging Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 230000001133 acceleration Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000010792 warming Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 239000011280 coal tar Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005108 dry cleaning Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000003077 lignite Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000012716 precipitator Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model discloses a heating system of a dust collector. The heating system of the dust collector comprises a support frame, a hot-blast stove, a hot air pipeline and a fan, wherein the hot air pipeline is arranged at the peripheral side of the dust collector by the support frame; the hot-blast stove and the fan are connected to the hot air pipeline in series; the fan is arranged at the front air inlet section of the hot-blast stove; an output end of the hot air pipeline is connected to a dusty gas inlet pipeline of the dust collector. The heating system of the dust collector is reasonable in layout and small in floor space; the hot-blast stove and the fan are connected to the hot air pipeline in series, and the fan is arranged at the front air inlet section of the hot-blast stove, so that a main power for pushing hot air can be provided for the heating system; the output end of the hot air pipeline is connected to the dusty gas inlet pipeline of the dust collector, and the hot air pipeline and the dusty gas inlet pipeline share one set of gas inlet pipeline, so that the structural design of the dust collector is simplified, and the cost can be well reduced; the heating system has a good using effect in the start preheating link and the stop replacement link of the dust collector, thus having good popularization and use values.
Description
Technical field
The utility model belongs to deduster cleaner technical field, particularly a kind of deduster heating system.
Background technology
At present, China's oil, natural gas resource shortage, coal will be the topmost primary energy of China quite over a long time in future.But coal conversion utilizes and has problems and challenge in process, as low in comprehensive utilization ratio, environmental pollution serious, shortage of water resources and CO2 emissions large etc.Therefore, development of coal high-efficiency cleaning comprehensive utilization technique is realized the inevitable choice that energy-saving and emission-reduction are China's energy industry development.And just comprise the industrial policy such as " coal upgrading and comprehensive utilization of resources ", " for brown coal, lower-grade metamorphic bituminous staged conversion, comprehensive utilization " in " clean coal technology development in science and technology " the 12 " ad hoc planning " of national encourage growth.Now the dry dust removal of blast furnace gas becomes the developing direction of current blast furnace gas purification dedusting than the more significant advantage of wet dust removal with it, but in current dry dust removal technique, to adopt dust-removal cloth-bag the most common as smart deduster.The normal working temperature that can bear due to dust-removal cloth-bag is conventionally treated that the temperature of dedusting coal gas is much lower, is difficult to transformation, adopt in addition filter core tubular structure to carry out dust removal and filtration to high-temperature dusty gas, realize gas solid separation and gas purification, enter air-purifying chamber through the dusty gas filtering, dust is filtered outside filter core, along with dust constantly increases, the dust of in good time cartridge surface being piled up is removed, dust falls into ash bucket and then unloads ash outlet discharge by filter bottom, has realized good dedusting benefit; But contain Multiple components in dust-laden coal gas, as coal tar, precooling meeting is condensed, must strictly control temperature; And must strictly control oxygen content under hot conditions, avoid the security incidents such as blast, burning.Therefore the technical problem that hot precipitator will face is: the operations such as the moulding of high-temperature service and system heating and preheating (preventing dewfall phenomenon in deduster) and shutdown displacement (preventing the equipment corrosion damages such as filter core); at present; not yet there is the comparatively technology of system to disclose about this type of technology; therefore, need openly a kind of deduster heating system that is adapted to coal gas dry cleaning dedusting badly.
Utility model content
The utility model object is to solve the problems of the technologies described above, provide a kind of can be safe and efficient, deduster heating system that heating effect is good.
For achieving the above object, the technical solution adopted in the utility model is: a kind of deduster heating system, comprise bracing frame, hot-blast stove, hot air duct and blower fan, described hot air duct is arranged at all sides of deduster by bracing frame, described hot-blast stove and blower fan are serially connected on hot air duct, described blower fan is arranged on described hot-blast stove air inlet leading portion, and described hot air duct output is connected to the dusty gas admission line of deduster.
The air-purifying chamber gas vent of described deduster connects gas pipeline, and described gas pipeline arranges the branch road tracheae that connects described blower fan.
Described hot air duct output is made as some groups.
The output of described hot-blast stove arranges chimney, between described blower fan output and described hot-blast stove, emptying mechanism, temperature-detecting device and oxygen content detector is set.
On described emptying mechanism and chimney, electric control valve is set, described emptying mechanism and chimney and hot air duct intersection rear are provided with hot air duct stop valve, and described hot air duct output and dusty gas admission line intersection front portion are respectively arranged with stop valve.
In described hot-blast stove, heater is set, described heater one side arranges auxiliary gas air inlet pipe.
Described blower fan import and outlet arrange respectively reducer union, and described fan outlet arranges venturi tube structure.
Refractory mortar is set described hot air duct inwall or wall arranges insulation wrap outward.
Described hot-blast stove outlet side arranges the branch road that connects deduster blowback pipeline, is provided with pressure-raising device and block valve group on described branch road.
Heating system described in the utility model mainly comprises the start preheating link of deduster and shuts down displacement link while use, the technological process of wherein said start preheating link is: first lower temperature is heated to be discharge moisture in deduster, after humidity discharging gas, enter the temperature rise period, be warming up to the laggard row gas displacement adjusting stage of set temperature section, then enter normal dust removal by filtration process procedure; The technological process of described shutdown displacement link is: first stop dusty gas and enter, then pass into the heavy gas of high temperature, can form the gas of layering in deduster, top tank air enters temperature-fall period after discharging, and is down to room temperature.
Further, in the technological process of described start preheating link, the temperature rise period is controlled <100 DEG C/h of temperature rise, and described set temperature section is elected 400～750 DEG C as, changes the adjusting stage and controls oxygen content <1% in the rear deduster of adjustment; Described in described shutdown displacement link, heavy gas is nitrogen.
Preferably, in the technological process of described start preheating link, the temperature rise period is controlled temperature rise at 80～95 DEG C/h, and described set temperature section is elected 450～600 DEG C as.
The utility model is well fixed on hot-blast stove, hot air duct and blower fan all sides of deduster by support frame as described above, rationally distributed, take up an area space little, described hot-blast stove and blower fan are serially connected on hot air duct, described blower fan is arranged on described hot-blast stove air inlet leading portion, for heating system provide hot blast advance active force, described hot air duct output is connected to the dusty gas admission line of deduster, with the public a set of air inlet pipeline of dusty gas admission line, simplify the structural design of deduster own, be of value to and reduce costs; Further, the air-purifying chamber gas vent of described deduster connects gas pipeline, and described gas pipeline arranges the branch road tracheae that connects described blower fan, and the coal gas of higher temperature, as the thermal source supply of hot-blast stove, has improved efficiency of combustion; And in described start preheating link, realized the circulating-heating that heats the warm gas of deduster, for improving system heating speed tool significance, avoid heat loss and loss; The output of described hot-blast stove arranges chimney, drives moisture in the time that duster system is carried out to preheating away, particularly controls the purity and the proportioning thereof that enter gas in the displacement adjusting stage with while passing into the heavy gas of high temperature; Between described blower fan output and described hot-blast stove, emptying mechanism is set, in the start preheating link of deduster and in shutting down displacement link, non-gas up to standard is discharged to his use by described emptying mechanism, and utilize temperature-detecting device and oxygen content detector to detect temperature and the oxygen content index of duster system, well control temperature and oxygen content hit the target, ensure the safe operation of system; On described emptying mechanism and chimney, electric control valve is set, when emptying, open, other time close, described emptying mechanism and chimney and hot air duct intersection rear are provided with hot air duct stop valve, contrary with described electric control valve operational motion, described hot air duct output and dusty gas admission line intersection front portion are respectively arranged with stop valve, close at the stop valve of hot air duct output described in the normal dust removal and filtration stage, in the time that needs heat, open; Described in when preheating and shutdown displacement, the stop valve of dusty gas admission line intersection front portion is closed; In described hot-blast stove, heater is set, described heater form can be designed to various ways as required, as electrical heating, and the versions such as combustion chamber, described heater one side arranges auxiliary gas air inlet pipe, is mainly used in passing into nitrogen; Described blower fan import and outlet arrange respectively reducer union, can be used in conjunction with as required the hot air duct of different bores, and described fan outlet arranges venturi tube structure, and Exhaust Gas has good acceleration effect, avoid gas convolution to affect air-flow patency; Refractory mortar is set described hot air duct inwall or wall arranges insulation wrap outward, is all in order to reduce heat loss in hot air duct as far as possible, improves heat utilization rate; Described hot-blast stove outlet side arranges the branch road that connects deduster blowback pipeline, on described branch road, be provided with pressure-raising device and block valve group, can be for filter cartridge construction superficial dust be carried out to reverse impact in normal use procedure, utilize electromagnetic impulse valve control high velocity air moment in filter cartridge construction, to form higher-pressure region, play good removing dust and clearing ash effect, the function that realizes filter cartridge construction is renewable, improves service life; Further, described hot air duct output is made as some groups, can be used in conjunction with multiple dedusters simultaneously, has improved greatly utilization rate of equipment and installations and production efficiency, and equal production declining low system invest to build cost, there is good economic benefit.
The utility model modern design is ingenious, result of use is good in the start preheating link of deduster and in shutting down displacement link, and provide the technological process of concrete start preheating link and shut down the technological process of replacing link, further, in conjunction with producing for a long time and exploring, show in the technological process of described start preheating link that the temperature rise period is controlled <100 DEG C/h of temperature rise, described set temperature section is elected 400～750 DEG C as, well realize the innovation of high-temperature dust removal technique, change the adjusting stage and control oxygen content <1% in the rear deduster of adjustment, security performance improves greatly, particularly in the technological process of described start preheating link, the temperature rise period is controlled temperature rise at 80～95 DEG C/h, described set temperature section is elected 450～600 DEG C as, filter element of duster structural behaviour is stable, good filtration effect, life cycle, there is good economic benefit, the utility model is simple in structure, rationally distributed, safeguard easy to use, have good value for applications.
Figure of description
Below in conjunction with accompanying drawing, the utility model is further detailed:
Fig. 1 is structural representation top view of the present utility model;
Fig. 2 is that the A of the utility model Fig. 1 is to structural representation;
Fig. 3 is that the B of the utility model Fig. 1 is to structural representation.
Specific embodiment
Embodiment mono-
As shown in Figure 1, Figure 2, Figure 3 shows, a kind of deduster heating system, comprise bracing frame 1, hot-blast stove 2, hot air duct 3 and blower fan 4, described hot air duct 3 is arranged at all sides of deduster 5 by bracing frame 1, described hot-blast stove 2 and blower fan 4 are serially connected on hot air duct 3, described blower fan 4 is arranged on described hot-blast stove 2 air inlet leading portions, and described hot air duct 3 outputs are connected to the dusty gas admission line 6 of deduster 5.
The air-purifying chamber gas vent of described deduster 5 connects gas pipeline 7, and described gas pipeline 7 arranges the branch road tracheae that connects described blower fan 4.
Described hot air duct 3 outputs are made as some groups.
The output of described hot-blast stove 2 arranges chimney 9, between described blower fan 4 outputs and described hot-blast stove 2, emptying mechanism 8, temperature-detecting device and oxygen content detector is set.
On described emptying mechanism 8 and chimney 9, electric control valve 10 is set, described emptying mechanism 8 and chimney 9 are provided with hot air duct stop valve 11 with hot air duct 3 intersection rears, and described hot air duct 3 outputs and dusty gas admission line 6 intersection front portions are respectively arranged with stop valve 12,13.
The interior heater 13 that arranges of described hot-blast stove 2, described heater 13 1 sides arrange auxiliary gas air inlet pipe 14.
Described blower fan 4 imports and outlet arrange respectively reducer union 15.
Described hot air duct 3 inwalls arrange refractory mortar.
Described hot-blast stove 2 outlet sides arrange the branch road that connects deduster 5 blowback pipelines, are provided with pressure-raising device and block valve group on described branch road.
Embodiment bis-
Be with the difference of embodiment mono-: described blower fan 4 outlets arrange venturi tube structure.
Embodiment tri-
Be with the difference of embodiment mono-or two: described hot air duct 3 walls arrange insulation wrap outward.
In above-described embodiment, heating system described in the utility model mainly comprises the start preheating link of deduster and shuts down displacement link while use, the technological process of wherein said start preheating link is: first lower temperature is heated to be discharge moisture in deduster, after humidity discharging gas, enter the temperature rise period, be warming up to the laggard row gas displacement adjusting stage of set temperature section, then enter normal dust removal by filtration process procedure; The technological process of described shutdown displacement link is: first stop dusty gas and enter, then pass into the heavy gas of high temperature, can form the gas of layering in deduster, top tank air enters temperature-fall period after discharging, and is down to room temperature.
Further, in the technological process of described start preheating link, the temperature rise period is controlled <100 DEG C/h of temperature rise, and described set temperature section is elected 400～750 DEG C as, changes the adjusting stage and controls oxygen content <1% in the rear deduster of adjustment; Described in described shutdown displacement link, heavy gas is nitrogen.
Preferably, in the technological process of described start preheating link, the temperature rise period is controlled temperature rise at 80～95 DEG C/h, and described set temperature section is elected 450～600 DEG C as.
The utility model is well fixed on hot-blast stove, hot air duct and blower fan all sides of deduster by support frame as described above, rationally distributed, take up an area space little, described hot-blast stove and blower fan are serially connected on hot air duct, described blower fan is arranged on described hot-blast stove air inlet leading portion, for heating system provide hot blast advance active force, described hot air duct output is connected to the dusty gas admission line of deduster, with the public a set of air inlet pipeline of dusty gas admission line, simplify the structural design of deduster own, be of value to and reduce costs; Further, the air-purifying chamber gas vent of described deduster connects gas pipeline, and described gas pipeline arranges the branch road tracheae that connects described blower fan, and the coal gas of higher temperature, as the thermal source supply of hot-blast stove, has improved efficiency of combustion; And in described start preheating link, realized the circulating-heating that heats the warm gas of deduster, for improving system heating speed tool significance, avoid heat loss and loss; The output of described hot-blast stove arranges chimney, drives moisture in the time that duster system is carried out to preheating away, particularly controls the purity and the proportioning thereof that enter gas in the displacement adjusting stage with while passing into the heavy gas of high temperature; Between described blower fan output and described hot-blast stove, emptying mechanism is set, in the start preheating link of deduster and in shutting down displacement link, non-gas up to standard is discharged to his use by described emptying mechanism, and utilize temperature-detecting device and oxygen content detector to detect temperature and the oxygen content index of duster system, well control temperature and oxygen content hit the target, ensure the safe operation of system; On described emptying mechanism and chimney, electric control valve is set, when emptying, open, other time close, described emptying mechanism and chimney and hot air duct intersection rear are provided with hot air duct stop valve, contrary with described electric control valve operational motion, described hot air duct output and dusty gas admission line intersection front portion are respectively arranged with stop valve, close at the stop valve of hot air duct output described in the normal dust removal and filtration stage, in the time that needs heat, open; Described in when preheating and shutdown displacement, the stop valve of dusty gas admission line intersection front portion is closed; In described hot-blast stove, heater is set, described heater form can be designed to various ways as required, as electrical heating, and the versions such as combustion chamber, described heater one side arranges auxiliary gas air inlet pipe, is mainly used in passing into nitrogen; Described blower fan import and outlet arrange respectively reducer union, can be used in conjunction with as required the hot air duct of different bores, and described fan outlet arranges venturi tube structure, and Exhaust Gas has good acceleration effect, avoid gas convolution to affect air-flow patency; Refractory mortar is set described hot air duct inwall or wall arranges insulation wrap outward, is all in order to reduce heat loss in hot air duct as far as possible, improves heat utilization rate; Described hot-blast stove outlet side arranges the branch road that connects deduster blowback pipeline, on described branch road, be provided with pressure-raising device and block valve group, can be for filter cartridge construction superficial dust be carried out to reverse impact in normal use procedure, utilize electromagnetic impulse valve control high velocity air moment in filter cartridge construction, to form higher-pressure region, play good removing dust and clearing ash effect, the function that realizes filter cartridge construction is renewable, improves service life; Further, described hot air duct output is made as some groups, can be used in conjunction with multiple dedusters simultaneously, has improved greatly utilization rate of equipment and installations and production efficiency, and equal production declining low system invest to build cost, there is good economic benefit.
The utility model modern design is ingenious, result of use is good in the start preheating link of deduster and in shutting down displacement link, and provide the technological process of concrete start preheating link and shut down the technological process of replacing link, further, in conjunction with producing for a long time and exploring, show in the technological process of described start preheating link that the temperature rise period is controlled <100 DEG C/h of temperature rise, described set temperature section is elected 400～750 DEG C as, well realize the innovation of high-temperature dust removal technique, change the adjusting stage and control oxygen content <1% in the rear deduster of adjustment, security performance improves greatly, particularly in the technological process of described start preheating link, the temperature rise period is controlled temperature rise at 80～95 DEG C/h, described set temperature section is elected 450～600 DEG C as, filter element of duster structural behaviour is stable, good filtration effect, life cycle, there is good economic benefit, the utility model is simple in structure, rationally distributed, safeguard easy to use, have good value for applications.
Claims (7)
1. a deduster heating system, comprise bracing frame, hot-blast stove, hot air duct and blower fan, it is characterized in that: described hot air duct is arranged at all sides of deduster by bracing frame, described hot-blast stove and blower fan are serially connected on hot air duct, described blower fan is arranged on described hot-blast stove air inlet leading portion, and described hot air duct output is connected to the dusty gas admission line of deduster.
2. deduster heating system as claimed in claim 1, is characterized in that: the air-purifying chamber gas vent of described deduster connects gas pipeline, and described gas pipeline arranges the branch road tracheae that connects described blower fan.
3. deduster heating system as claimed in claim 1, is characterized in that: described hot air duct output is made as some groups.
4. deduster heating system as claimed in claim 1, it is characterized in that: the output of described hot-blast stove arranges chimney, between described blower fan output and described hot-blast stove, emptying mechanism, temperature-detecting device and oxygen content detector are set, on described emptying mechanism and chimney, electric control valve is set, described emptying mechanism and chimney and hot air duct intersection rear are provided with hot air duct stop valve, and described hot air duct output and dusty gas admission line intersection front portion are respectively arranged with stop valve.
5. deduster heating system as claimed in claim 1, is characterized in that: in described hot-blast stove, heater is set, described heater one side arranges auxiliary gas air inlet pipe.
6. deduster heating system as claimed in claim 1, is characterized in that: described blower fan import and outlet arrange respectively reducer union, and described fan outlet arranges venturi tube structure, and refractory mortar is set described hot air duct inwall or wall arranges insulation wrap outward.
7. deduster heating system as claimed in claim 1, is characterized in that: described hot-blast stove outlet side arranges the branch road that connects deduster blowback pipeline, is provided with pressure-raising device and block valve group on described branch road.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420245885.7U CN203874605U (en) | 2014-05-15 | 2014-05-15 | Heating system of dust collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420245885.7U CN203874605U (en) | 2014-05-15 | 2014-05-15 | Heating system of dust collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203874605U true CN203874605U (en) | 2014-10-15 |
Family
ID=51675151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420245885.7U Expired - Lifetime CN203874605U (en) | 2014-05-15 | 2014-05-15 | Heating system of dust collector |
Country Status (1)
| Country | Link |
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| CN (1) | CN203874605U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104083963A (en) * | 2014-08-05 | 2014-10-08 | 河南龙成煤高效技术应用有限公司 | Deduster heating system and heating method |
-
2014
- 2014-05-15 CN CN201420245885.7U patent/CN203874605U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104083963A (en) * | 2014-08-05 | 2014-10-08 | 河南龙成煤高效技术应用有限公司 | Deduster heating system and heating method |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141015 |
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| CX01 | Expiry of patent term |