CN102980200B - Pulverized coal industrial boiler system - Google Patents
Pulverized coal industrial boiler system Download PDFInfo
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- CN102980200B CN102980200B CN201210510234.1A CN201210510234A CN102980200B CN 102980200 B CN102980200 B CN 102980200B CN 201210510234 A CN201210510234 A CN 201210510234A CN 102980200 B CN102980200 B CN 102980200B
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- 239000003245 coal Substances 0.000 title claims abstract description 58
- 239000010881 fly ash Substances 0.000 claims abstract description 51
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 35
- 239000003546 flue gas Substances 0.000 claims abstract description 35
- 239000011261 inert gas Substances 0.000 claims abstract description 19
- 239000000428 dust Substances 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000000843 powder Substances 0.000 claims description 224
- 238000003860 storage Methods 0.000 claims description 162
- 239000002956 ash Substances 0.000 claims description 149
- 239000002817 coal dust Substances 0.000 claims description 81
- 238000004880 explosion Methods 0.000 claims description 46
- 239000003795 chemical substances by application Substances 0.000 claims description 27
- 230000003009 desulfurizing effect Effects 0.000 claims description 27
- 238000007599 discharging Methods 0.000 claims description 27
- 238000001914 filtration Methods 0.000 claims description 13
- 230000005484 gravity Effects 0.000 claims description 11
- 239000000126 substance Substances 0.000 claims description 9
- 230000009172 bursting Effects 0.000 claims description 8
- 239000012528 membrane Substances 0.000 claims description 8
- 239000006200 vaporizer Substances 0.000 claims description 7
- 238000003466 welding Methods 0.000 claims description 7
- 239000000779 smoke Substances 0.000 claims description 6
- 230000006837 decompression Effects 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 abstract description 8
- 239000007789 gas Substances 0.000 abstract description 7
- 230000010354 integration Effects 0.000 abstract description 6
- 238000003912 environmental pollution Methods 0.000 abstract description 4
- 238000004064 recycling Methods 0.000 abstract 1
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 10
- 239000000463 material Substances 0.000 description 10
- 230000002269 spontaneous effect Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000002994 raw material Substances 0.000 description 5
- 238000005303 weighing Methods 0.000 description 5
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 4
- 239000011575 calcium Substances 0.000 description 4
- 229910052791 calcium Inorganic materials 0.000 description 4
- 239000003517 fume Substances 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 239000005864 Sulphur Substances 0.000 description 2
- 239000011149 active material Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 235000019504 cigarettes Nutrition 0.000 description 2
- 238000006477 desulfuration reaction Methods 0.000 description 2
- 230000023556 desulfurization Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000010882 bottom ash Substances 0.000 description 1
- 235000011089 carbon dioxide Nutrition 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000010883 coal ash Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000003500 flue dust Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000013456 study Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
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- Air Transport Of Granular Materials (AREA)
Abstract
The invention relates to a pulverized coal industrial boiler system. The pulverized coal industrial boiler system is characterized by comprising a pulverized coal feeding and separating filter, a pulverized coal storing and feeding device, a boiler burner, a flue gas integrated treatment device, a fly ash delivering and storing device and an inert gas protecting device; the feeding and separating filter filters pulverized coal and then conveys the pulverized coal to the pulverized coal storing and feeding device, the pulverized coal storing and feeding device stores the pulverized coal and supplies the pulverized coal to the boiler burner, the boiler burner exchanges heat with a thermodynamic system during the burning process and supplies hot water or steam to users; and flue gas after the combustion of the boiler burner is treated through the flue gas integrated treatment device and is delivered to the fly ash delivering and storing device, wherein the pulverized coal in the pulverized coal storing and feeding device needs to be protected through inertia gases which are provided by the inert gas protecting device during the storing process. The system integrates pulverized coal delivering, storing, feeding, flue gas treating and recycling into a whole, has high function integration level, a small occupation area, low operation cost, high economy and no dust and flue gas leakage, cannot cause environmental pollution and can be widely used for a pulverized coal feeding process.
Description
Technical field
The present invention relates to a kind of steam generator system, particularly about the industrial coal powder boiler system a kind ofly collecting coal dust conveying, storage, feed, fume treatment are recovered in integration.
Background technology
Current pulverized-coal fired boiler is widely used at large-scale power station, but rarely has use in Industrial Boiler field, and also once there were some correlative studys and product in last century, but all because there is some drawback, system is unsound and die young.Current coal-burned industrial boiler generalized situations is that the thermal efficiency is low, and energy waste is huge, pollutes (especially flue dust and sulfur dioxide) serious.Therefore, need the system being applicable to Industrial Boiler of a kind of energy-saving and emission-reduction of research badly, reduce discharging policy to comply with national energy-saving, solve coal-burned industrial boiler industry technology and the low problem of equipment.
Summary of the invention
For the problems referred to above, the object of this invention is to provide and a kind ofly collect coal dust conveying, industrial coal powder boiler system that storage, feed, fume treatment are recovered in integration.
For achieving the above object, the present invention takes following technical scheme: a kind of industrial coal powder boiler system, it is characterized in that: it comprises powder and stores feeding device, described powder stores feeding device for coal dust to boiler-burner, the flue gas that described boiler-burner burning produces sends into flue gas integrated treatment unit, and the flue gas flying dust after the process of described flue gas integrated treatment unit sends into fly ash carry storage device; Described powder stores feeding device and comprises tube cell on a storage powder tank and a coal dust, and on described coal dust, one end of tube cell connects coal dust tank car, and the other end is through described storage powder tank top from bottom to top, inserts in described storage powder tank; The top of described storage powder tank is provided with explosion proof door, and the inner top of described storage powder tank is provided with deduster; High charge level meter and low level-sensing device is provided with in described storage powder tank; Described storage powder tank bottom is divided into two taper storehouses, the bottom discharge mouth place in two described taper storehouses connects a gravimetric tank respectively, the sidewall of gravimetric tank described in two all hangs on one group of LOAD CELLS, LOAD CELLS described in each is fixing on the operational platform, and the bottom discharge mouth of gravimetric tank described in two is respectively arranged with one for supplying the loader of coal dust for described boiler-burner; Described flue gas integrated treatment unit comprises vertically disposed tubular reactor, the smoke inlet of described tubular reactor connects the smokejack of described boiler-burner, the top exit of described tubular reactor connects the ash bucket be arranged on support, deduster is provided with in described ash bucket, a circulating line and an output channel is provided with below described ash bucket, the output of described circulating line connects coal dust ash surge tank, the bottom of described coal dust ash surge tank connects hybrid humidifier by pipeline, described hybrid humidifier is provided with the pipeline at a connection water source; The output of described hybrid humidifier passes through the interior bottom of tubular reactor described in pipeline communication; The output of the described output channel below described ash bucket connects auger conveyor, and the output of described auger conveyor connects described fly ash carry storage device; Described fly ash carry storage device comprises the ash dropping hopper connecting described auger conveyor output; The bottom output of described ash dropping hopper connects its top feed mouth of storehouse pump; The sidepiece discharging opening of described storehouse pump connects ash pipeline, and the output of described ash pipeline connects described grey storehouse; The bottom air inlet of described storehouse pump connects compressed air hose, and the input of described compressed air hose connects compressed air supply arrangement, and output connects described ash pipeline; The top in described grey storehouse is provided with vacuum pressure relief valve and deduster; The bottom in described grey storehouse is provided with the first ash discharging hole and the second ash discharging hole, and described first ash discharging hole connects the first row ash pipe with Pneumatic dump valve, the output of described first row ash pipe connects a dry ash bulk machine, and described dry ash bulk machine also connects air-introduced machine; The output of described dry ash bulk machine arranges airtight tank car; Second ash discharging hole in described grey bottom of the reservior portion connects the second row ash pipe with revolution discharge valve, and the output of described second row ash pipe connects a mixer, and described mixer is connected with water pipe, and the output of described mixer arranges grey car.
It also comprises powder conveying separator-filter, described powder conveying separator-filter comprises the filter outer wall of a tubbiness, described filter outer wall top is provided with top cover, a filtration screen drum is provided with in described filter outer wall, described filtration screen drum is covered with eyelet, described filtration screen drum connects the output in powder inlet pipe road, the input in described powder inlet pipe road is connected with coal dust tank car through described filter outer wall, described filter outer wall connects the input of powder delivery pipeline, the output of described powder delivery pipeline is arranged on the outside of described filter outer wall, store tube cell on the described coal dust in feeding device to be connected with described powder.
It also comprises inert gas protection device, and described inert gas protection device comprises for storing CO
2the storage device of extinguishing chemical, described storage device passes through CO
2output pipe connects the storage powder tank in described powder storage feeding device; Described CO
2output pipe is disposed with master control valve, decompression table, vaporizer, inerting controller and choke valve; Described CO
2the link of output pipe and described storage powder tank is provided with some shower nozzles; CO checkout gear and temperature sensor is provided with in described storage powder tank.
Described powder stores in feeding device, and the explosion proof door that described storage powder tank top is arranged is gravity Combined anti-explosion door, and described gravity Combined anti-explosion door comprises spacing section of the top set gradually up and down, spacing section of middle part and lower limit section; Spacing section of described top, spacing section of middle part and lower limit section are all cylindrical, pass through Flange joint between adjacent described spacing section; Be arranged on the top of described storage powder tank bottom described lower limit section by flange, between the flange at described lower limit section and spacing section of middle part, be provided with one deck membrane type bursting diaphragm; The welding of outside that described middle part is spacing section is provided with a stopping means, and described stopping means is horizontal segment with one end of welding, spacing section of described middle part, and the other end of described stopping means bends and upwards extends, and to described top the inclined upward of spacing section; The top that described top is spacing section is provided with an explosion door cover plate, and described explosion door cover plate connects described stopping means near the side of described stopping means by pivoted arm structure; Described explosion door cover plate is provided with some balancing weights.
Described pivoted arm structure comprises the rotating shaft be connected with described explosion door cover plate, and described rotating shaft is by bearing and bearings seat supports, and described bearing support block is arranged on support, and described support is bolted the horizontal segment being arranged on described stopping means.
Described powder stores in feeding device, and the bottom discharge mouth place in two described taper storehouses is provided with a strength fluidizer and an electronic blanking revolving valve; The bottom discharge mouth place of two described gravimetric tanks is respectively arranged with agitating device; A pressure-equalizing pipe is provided with between two described gravimetric tanks and described storage powder tank.
Described powder stores in feeding device, described loader includes a support stand, described support stand is provided with the feed spiral be positioned at below described gravimetric tank bottom discharge mouth, the below of described feed spiral is provided with primary air fan, and described primary air fan is provided with hand_pneumatic valve.
In described flue gas integrated treatment unit, described circulating line and output channel are provided with single-revolution valve; The outer wall circumference of described coal dust ash surge tank is provided with LOAD CELLS, and described LOAD CELLS is fixed on support; Described hybrid humidifier is also provided with the pipeline of a connection doser, the top of described doser connects desulfurizing agent storage tank, desulfurizer powder is stored in described desulfurizing agent storage tank, the outer wall circumference of described desulfurizing agent storage tank is provided with LOAD CELLS, and described LOAD CELLS is fixed on support.
In described fly ash carry storage device, the bottom output of described ash dropping hopper is provided with an inlet valve, and its top feed mouth place of described storehouse pump is provided with a manual service valve, is provided with a telescopic joint between described inlet valve and described manual service valve; Balance pipe is provided with between described ash dropping hopper and described storehouse pump; Level-sensing device is provided with in described storehouse pump and described grey storehouse.
In described fly ash carry storage device, the bottom in described grey storehouse is provided with fluidized plate, and described fluidized plate connects compressed air hose, and the input of described compressed air hose connects compressed air supply arrangement.
The present invention is owing to taking above technical scheme, and it has the following advantages: 1, the present invention includes powder conveying separator-filter, powder stores feeding device, boiler-burner, flue gas integrated treatment unit, fly ash carry storage device and inert gas protection device; Collection coal dust conveying, storages, feed, fume treatment are recovered in integration, the advantage such as therefore, have that the airtight cleaning of system runs, coal dust conveying is stablized, burning highly effective, discharge are cleaned.2, powder conveying separator-filter of the present invention comprises filter outer wall, filters screen drum, filter eyelet screen drum being covered with certain diameter, powder to be filtered directly enters and filters in screen drum, by filtering the eyelet on screen drum, the bulk filtering foreign such as spoil block can be fallen.3, powder of the present invention stores being provided with storage powder tank and can storing coal dust of feeding device, and storage powder tank bottom is divided into two taper storehouses, can two boiler-burners be given for powder simultaneously; And storage powder pot bottom arranges gravimetric tank, the sidewall of gravimetric tank all hangs on one group of LOAD CELLS, therefore, it is possible to the weight of real-time weighing gravimetric tank and wherein coal dust, according to display of weighing during auto feed, can prevent from lacking powder or full powder in tank.4, high charge level meter and low level-sensing device is provided with in the storage powder tank that powder of the present invention stores feeding device, be respectively used to measure coal dust high charge level and the low material level of coal dust, therefore, when breeze material position reaches high charge level meter measurement range, measure and control device can give the alarm, and reminds operating personnel to stop feeding in raw material, when breeze material position reaches low level-sensing device measurement range, measure and control device can give the alarm, and reminds operating personnel to feed in raw material in time.5, flue gas integrated treatment unit of the present invention comprises vertically disposed tubular reactor, its smoke inlet connects the smokejack of boiler-burner, top exit connects ash bucket, hopper bottom connects coal dust ash surge tank by circulating line, the outer circumference of coal dust ash surge tank is provided with LOAD CELLS, therefore, can coal dust ash surge tank be weighed in real time by LOAD CELLS and fall into the weight of flyash wherein, prevent from lacking powder or full powder in coal dust ash surge tank.6, the coal dust ash surge tank of flue gas integrated treatment unit of the present invention connects hybrid humidifier by pipeline, and hybrid humidifier also connects inlet channel, and coal dust ash again sends into tubular reactor after humidification by mixing of gas in hybrid humidifier; Therefore, the calcium activated contained in the flyash after humidification by mixing of gas can carry out reaction with the sulfur dioxide that contains in boiler smoke in tubular reactor and generate solid salt, reaches the object of solid sulphur desulfurization; Coal dust ash surge tank is also provided with the pipeline of a connection doser, doser top connects a desulfurizing agent storage tank, desulfurizer powder is stored in desulfurizing agent storage tank, therefore, when calcium activated content in flyash is low cause desulfurized effect undesirable time, the desulfurizer powder stored in desulfurizing agent storage tank can be sent in hybrid humidifier through doser, desulfurizing agent is high concentration active material, greatly can strengthen desulfurized effect.7, fly ash carry storage device of the present invention is by the cigarette ash collecting in ash dropping hopper to storehouse pump, is transported in closed grey storehouse by the cigarette ash in each storehouse pump, passes into compressed air in ash pipeline by ash pipeline, and therefore, conveying capacity is large, good leak tightness, runs emit without dust; And Hui Ku bottom is provided with two ash discharging holes, an ash discharging hole sends into airtight tank car by dry ash bulk machine, and coal ash is transported to grey factory or other desired place; Another ash discharging hole sends into grey car by twin shaft wet mixer, by wetting stirrer, ash is added water stirring, prevents airborne dust, be beneficial to stacking simultaneously; Therefore, the demand different according to user can adopt dry, wet two kinds of ash methods, effectively can avoid airborne dust, protection of the environment.8, inert gas protection device of the present invention comprises for storing CO
2the storage device of extinguishing chemical, storage device connects the storage powder tank in powder storage feeding device by pipeline, CO checkout gear and temperature sensor is provided with in storage powder tank, by monitoring the temperature in storage powder tank and CO concentration, when temperature or CO concentration reach capping, the CO in storage device
2extinguishing chemical passes through CO
2output pipe enters storage powder tank, is sprayed by shower nozzle, therefore, can carry out inactive protect, prevent spontaneous combustion to storage powder tank.9, gravity Combined anti-explosion door of the present invention comprises spacing section of top, spacing section of middle part and lower limit section; The side welding at spacing section of middle part is provided with a stopping means, when explosion door cover plate upwards overturn collide stopping means time, upset can not be continued, can fall and again cover, prevent from transfiniting the phenomenon causing resetting due to explosion door cover plate position, make storage powder tank while release, close explosion proof door.One deck membrane type bursting diaphragm is provided with between the flange 10, between spacing section of the middle part of gravity Combined anti-explosion door of the present invention and lower limit section; the combination one of membrane type bursting diaphragm and explosion door cover plate is the overall tightness strengthening explosion proof door; when preventing that in tank, pressure fluctuates among a small circle; coal dust reveals contaminated environment; two is when in tank, pressure sharply raises; membrane type bursting diaphragm is torn, and gravity explosion door cover plate resets after upspringing, and still can play protection and sealing function.The present invention collects coal dust conveying, storage, feed, fume treatment are recovered in integration, and functional integration is high, and floor space is little, and operating cost is low, and economy is high, reveals, can not cause environmental pollution, can be widely used in coal dust feeder process without dust flue gas.
Accompanying drawing explanation
Fig. 1 is present system schematic flow sheet
Fig. 2 is powder conveying separator-filter schematic front view of the present invention
Fig. 3 is that schematic diagram is looked on a powder conveying separator-filter left side of the present invention
Fig. 4 is powder conveying separator-filter schematic top plan view of the present invention
Fig. 5 is that powder of the present invention stores feeding device structural representation
Fig. 6 is that powder of the present invention stores feeding device schematic top plan view
Fig. 7 is the loader structural representation that powder of the present invention stores in feeding device
Fig. 8 is flue gas integrated treatment unit structural representation of the present invention
Fig. 9 is fly ash carry storage device structural representation of the present invention
Figure 10 is inert gas protection device structural representation of the present invention
Figure 11 is gravity Combined anti-explosion door schematic diagram of the present invention
Figure 12 is workflow schematic diagram of the present invention
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described in detail.
As shown in Figure 1, the present invention includes powder conveying separator-filter 10, powder stores feeding device 20, boiler-burner, flue gas integrated treatment unit 30, fly ash carry storage device 40 and inert gas protection device 50.Powder conveying separator-filter 10 stores feeding device 20 by flowing to powder after pulverized-coal filtering, powder stores feeding device 20 and stores coal dust, and supplied boiler-burner, to be ignited coal dust by igniting oil gas, with therrmodynamic system generation heat exchange in boiler-burner combustion process, and flow to user with the form of hot water or steam.Flue gas after boiler-burner burning delivers to fly ash carry storage device 40 after flue gas integrated treatment unit 30 processes.Wherein, the inert gas that the coal dust in powder storage feeding device 20 needs inert gas protection device 50 to provide in storage process is protected.
As shown in figs. 2 to 4, powder conveying separator-filter 10 of the present invention comprises the filter outer wall 101 of a tubbiness, filter outer wall 101 top is provided with top cover 102, a filtration screen drum 103 is provided with in filter outer wall 101, filter eyelet screen drum 103 being covered with certain diameter, filter the output that screen drum 103 connects powder inlet pipe road 104, the input in powder inlet pipe road 104 is connected with coal dust tank car through filter outer wall 101, filter outer wall 101 connects the input of powder delivery pipeline 105, the output of powder delivery pipeline 105 is arranged on the outside of filter outer wall 101, store tube cell 204 on the coal dust in feeding device 20 to be connected with powder, coal dust is sent into powder to store in feeding device 20.
As shown in Figure 5, Figure 6, powder storage feeding device 20 of the present invention comprises tube cell 204 on storage powder tank (storehouse) 201, two gravimetric tanks (storehouse) 202, two loaders 203 and a coal dust.
As shown in Figure 5, Figure 6, storage powder tank 201 top of the present invention is provided with explosion proof door 205, and the inner top middle position of storage powder tank 201 is provided with a small-sized sack cleaner 206.The position of storage powder tank 201 sidewall 75% material level is provided with a high charge level meter 207, the position of storage powder tank 201 sidewall 30% material level is provided with a low level-sensing device 208, and storage powder tank 201 sidewall between high charge level meter 207 and low level-sensing device 208 is arranged at intervals with three temperature sensors 209.Storage powder tank 201 bottom below low level-sensing device 208 is divided into the bottom in 210, two taper storehouses 210, two taper storehouses to be provided with a strength fluidizer 211, blows bulging compressed air by strength fluidizer 211 to taper storehouse 210, coal dust is loosened, more easily falls.The bottom discharge mouth place in two taper storehouses 210 of storage powder tank 201 is provided with a hand operated gate valve 212, and the below of hand operated gate valve 212 is provided with an electronic blanking revolving valve 213.
As shown in Figure 5, Figure 6, two gravimetric tanks 202 of the present invention are tapered, and its charging aperture is connected respectively the discharging opening in a taper storehouse 210 of storage powder tank 201, and the top of two gravimetric tanks 202 is provided with one and checks hand hole 214; The sidewall of two gravimetric tanks 202 all hangs on one group of LOAD CELLS 215, the fixing (not shown) on the operational platform of each LOAD CELLS 215; At the bottom of the cone of two gravimetric tanks 202, discharging opening is provided with agitating device 216.Be provided with a pressure-equalizing pipe 217 between two gravimetric tanks 202 and storage powder tank 201, be used for the pressure of balance weighing tank 202 and storage powder tank 201.
As shown in Figure 5, Figure 7, two loader 203 correspondences of the present invention are positioned at below the discharging opening of two gravimetric tanks 202, each loader 203 includes a support stand 218, support stand 218 is provided with the feed spiral 219 being positioned at output bottom gravimetric tank 202, the below of feed spiral 219 is provided with primary air fan 220, primary air fan 220 is provided with hand_pneumatic valve 221.
As shown in Figure 5, on coal dust of the present invention, one end of tube cell 204 connects powder conveying separator-filter 10, and the other end is through storage powder tank 201 top from bottom to top, is communicated with storage powder tank 201 inner.
As shown in Figure 8, flue gas integrated treatment unit 30 of the present invention comprises vertically disposed tubular reactor 301, the smoke inlet 302 of tubular reactor 301 connects the smokejack of boiler-burner, the top exit of tubular reactor 301 connects the ash bucket 303 be arranged on support, cyclone dust collectors 304 and sack cleaner 305 is disposed with in ash bucket 303, a circulating line 306 and an output channel 307 is provided with below ash bucket 303, circulating line 306 and output channel 307 are provided with single-revolution valve 308, the output of circulating line 306 connects a coal dust ash surge tank 309, the outer wall circumference of coal dust ash surge tank 309 is provided with LOAD CELLS 310, LOAD CELLS 310 is fixed on (not shown) on support, the bottom of coal dust ash surge tank 309 connects hybrid humidifier 311 by pipeline, hybrid humidifier 311 is provided with the pipeline 312 at a connection water source, hybrid humidifier 311 is also provided with the pipeline of a connection doser 313, doser 313 top connects a desulfurizing agent storage tank 314, desulfurizer powder is stored in desulfurizing agent storage tank 314, desulfurizing agent storage tank 314 outer wall circumference is also provided with LOAD CELLS 310, LOAD CELLS 310 is fixed on (not shown) on support.The output of hybrid humidifier 311 passes through the interior bottom of pipeline communication tubular reactor 301.The output of the output channel 307 below ash bucket 303 connects auger conveyor 315, and the output of auger conveyor 315 connects the ash dropping hopper 401 in fly ash carry storage device 40.
As shown in Figure 9, fly ash carry storage device 40 of the present invention comprises some ash dropping hoppers 401 with deduster, and the bottom output of each ash dropping hopper 401 all connects its top feed mouth of a storehouse pump 402; The bottom output of each ash dropping hopper 401 is provided with an inlet valve 403, and its top feed mouth place of each storehouse pump 402 is provided with a manual service valve 404; A telescopic joint 405 is provided with, to compensate the thermal expansion between ash dropping hopper 401 and storehouse pump 402 between the manual service valve 404 that each inlet valve 403 is corresponding with it.The sidepiece discharging opening of each storehouse pump 402 all connects the lateral that is provided with outlet valve 406, and the output of each lateral all connects same ash pipeline 407, and the output of ash pipeline 407 connects grey storehouse 408.The bottom air inlet of each storehouse pump 402 all connects compressed air hose 409 by pipeline, and the input of compressed air hose 409 connects compressed air supply arrangement (not shown), and output connects ash pipeline 407.Storehouse pump level-sensing device 410 is provided with, for monitoring the material level in storehouse pump 402 in each storehouse pump 402.Between ash dropping hopper 401 and storehouse pump 402, be provided with balance pipe 411, balance the pressure between ash dropping hopper 401 and storehouse pump 402 by balance pipe 411, ensure that powder falling is smooth and easy.
Grey storehouse 408 of the present invention is steel construction, is arranged in a platform (not shown), platform can also be provided with away ladder rail, and convenient operation personnel overhaul in upper and lower grey storehouse.Upper and lower correspondence in ash storehouse 408 is provided with high charge level meter 412 and low level-sensing device 413.The top in ash storehouse 408 is provided with vacuum pressure relief valve 414 and deduster 415.The bottom in ash storehouse 408 is provided with the first ash discharging hole and the second ash discharging hole, first ash discharging hole connects the first row ash pipe with Pneumatic dump valve 416, the output of first row ash pipe connects a dry ash bulk machine 417, screen pack is provided with in dry ash bulk machine 417, dry ash bulk machine 417 also connects air-introduced machine 418, collecting airborne dust by forming negative pressure in dry ash bulk machine 417 by screen pack by air-introduced machine 418, ensureing seal during dry ash bulk machine 417 entrucking.Dry ash bulk machine 417 has Telescopic, can place airtight tank car 419 below it, the discharging opening of dry ash bulk machine 417 is inserted airtight tank car 419 inner, carries dry ash, can avoid airborne dust in airtight tank car 419; The second ash discharging hole bottom ash storehouse 408 connects the second row ash pipe with revolution discharge valve 420, the output of second row ash pipe connects a twin shaft wet mixer 421, twin shaft wet mixer 421 is also connected with water pipe, grey car 422 can be placed in the below of twin shaft wet mixer 421, is discharged on grey car 422 by the wet ash after twin shaft wet mixer 421 stirs.The bottom in ash storehouse 408 is also provided with fluidized plate 423, fluidized plate 423 connects compressed air hose 424, and the input of compressed air hose 424 connects compressed air supply arrangement (not shown), by conveying compressed air, powder fluidity in grey storehouse 408 is strengthened, is convenient to conveying.
As shown in Figure 10, inert gas protection device 50 of the present invention connects powder and stores feeding device 20, and inert gas protection device 50 comprises one for storing CO
2the storage device 501 of extinguishing chemical, storage device 501 connects a total output pipe, and the output of total output pipe is connected in parallel some CO
2output pipe 502, each bar CO
2the output of output pipe 502 all connects the storage powder tank 201 in a powder storage feeding device 20; Wherein, total output pipe is disposed with master control valve 503, decompression table 504, vaporizer 505, inerting controller 506 and choke valve 507.Wherein, inerting controller 506 mainly plays CO
2flow-rate adjustment effect.Each bar CO
2output pipe 502 is provided with some shower nozzles 508 with the link of corresponding storage powder tank 201, and each shower nozzle 508 is arranged on the sidewall top of corresponding storage powder tank 201, and is furnished with dust cover.Be provided with some sniffers in each storage powder tank 201, each sniffer includes three temperature sensors 209 in a CO checkout gear 509 and storage powder tank 201.
As shown in figure 11, storage powder tank 201 top that powder stores in feeding device 20 is symmetrically arranged with two explosion proof doors 205, explosion proof door 205 can adopt gravity Combined anti-explosion door 60, and gravity Combined anti-explosion door 60 comprises spacing section 601, the top set gradually up and down, spacing section 602, middle part and lower limit section 603.Spacing section 601, top, spacing section 602, middle part and lower limit section 603 are all cylindrical, pass through Flange joint between adjacent spacing section.Be arranged on the top of storage powder tank 201 bottom lower limit section 603 by flange, be provided with one deck membrane type bursting diaphragm 604 between lower limit section 603 and the flange at spacing section 602, middle part, when preventing powder on storage powder tank, powder is revealed and is caused environmental pollution.The outside side welding that middle part is spacing section 602 is provided with a stopping means 605, and stopping means 605 is horizontal segment with one end of welding, spacing section 602, middle part, and the other end of stopping means 605 bends and upwards extends, and to top the inclined upward of spacing section 601.The top that top is spacing section 601 is provided with an explosion door cover plate 606, and explosion door cover plate 606 passes through pivoted arm structure 607 connecting limit device 605 near the side of stopping means 605.Explosion door cover plate 606 is upwards overturn by pivoted arm structure 607, and maximum rotation angle is 80 °.Explosion door cover plate 606 can be furnished with some balancing weights 608, the operating pressure of explosion door cover plate 606 can be made to regulate between 10Kpa ~ 15Kpa.Explosion door cover plate 606 top is provided with some buffer rubber gaskets 609, for reducing the moment impact to stopping means 605.
In above-described embodiment, pivoted arm structure 607 comprises the rotating shaft be connected with explosion door cover plate 606, and rotating shaft is by bearing and bearings seat supports, and bearing support block is arranged on support, and support is bolted the horizontal segment being arranged on stopping means 605.
In above-described embodiment, boiler-burner can adopt equipment of the prior art, and powder conveying separator-filter 10 also can adopt equipment of the prior art.
The present invention also comprises measure and control device; measure and control device connects each electric valve, level-sensing device, sensor in powder storage feeding device 20, boiler-burner, flue gas integrated treatment unit 30, fly ash carry storage device 40 and inert gas protection device 50; than just, the operation of apparatus of the present invention is controlled; realize the start and stop of unit equipment, the monitoring of parameter; measure and control device can adopt existing techniques in realizing, no longer describes in detail at this.
As shown in figure 12, the workflow of present system comprises the following steps:
1) powder conveying separator-filter 10: the coal dust in coal dust tank car by Geldart-D particle to powder conveying separator-filter 10, being entered by powder inlet pipe road 104 filters in screen drum 103, owing to filtering eyelet screen drum 103 being covered with certain diameter, the bulk foreign material such as the spoil block in powder are stopped by eyelet to be stayed in filtration screen drum 103, and other powders are discharged by powder delivery pipeline 105, send into powder and store feeding device 20.
2) powder stores feeding device 20:
1. in storage powder tank 201, pass into coal dust from bottom to top by tube cell on coal dust 204, coal dust falls into two taper storehouses 210; The strength fluidizer 211 arranged bottom two taper storehouses 210 blows drum by strength makes coal dust loosen, thus promote coal dust blanking respectively correspondence enter two gravimetric tanks 202, if long-time weight is without increase or increase less, strength fluidizer 211 can be opened in short-term for several times, to promote that coal dust falls.Now, the electronic blanking revolving valve 213 that two gravimetric tanks 202 are arranged is opening, be beneficial to and feed in raw material to gravimetric tank 202 from storage powder tank 201, when electronic blanking revolving valve 213 breaks down, can manually push-pull valve 212 block coal dust, to carry out overhaul of the equipments, be full-gear when hand operated gate valve 212 normally runs, do not need frequent switch.
2. the sidewall of two gravimetric tanks 202 all hangs on one group of LOAD CELLS 215, each LOAD CELLS 215 is fixed on operating platform edge, by weighing the weight (display numerical value of weighing is for coal dust net weight after peeling) of gravimetric tank 202 and wherein coal dust in real time, can prevent from lacking powder or full powder in two gravimetric tanks 202.When lacking powder, measure and control device is automatically opened electronic blanking revolving valve 213 add powder in gravimetric tank 202, automatically closes electronic blanking revolving valve 213 and stop adding powder during full powder.
At the bottom of the cone of 3. two gravimetric tanks 202, agitating device 216 is installed, is loosened coal dust by agitating device 216, be beneficial to coal dust blanking in loader 203.Loader 203 is quantitative coal powder supply device, and realize feed quantity by VFC and change, higher at certain frequency range of frequencies, feed quantity is larger, and feed accuracy error is no more than 5%.
4. feed spiral 219 pulverized coal conveying in loader 203, reaches dosing by variable frequency adjustment, exports the empty stream of high pressure simultaneously carry out pulverized coal conveying to boiler-burner by primary air fan 220.The hand_pneumatic valve 221 that primary air fan 220 is arranged can be used for regulating powder feeding air quantity, without the need to frequent adjustment after debugging.
In the process of carrying out above-mentioned steps, coal dust high charge level in the high charge level meter 207 the real time measure storage powder tank 201 that storage powder tank 201 top is arranged, when breeze material position reaches the measurement range of high charge level meter 207, measure and control device gives the alarm, and reminds operating personnel should stop feeding in raw material; The low material level of coal dust in the low level-sensing device 208 the real time measure storage powder tank 201 that storage powder tank 201 bottom is arranged, when breeze material position reaches the measurement range of low level-sensing device 208, measure and control device gives the alarm, and reminds operating personnel to feed in raw material in time; Three temperature sensors 209 that storage powder tank 201 sidewall is arranged, coal dust temperature in Real-Time Monitoring storage powder tank 201, when coal dust temperature exceedes uniform temperature, namely judge that in storage powder tank 201, coal dust is about to or has started spontaneous combustion, take the precautionary measures immediately, such as in storage powder tank 201, be filled with inert gas etc., make coal dust and oxygen-barrier, thus avoid the generation of spontaneous combustion or spread; When storing up powder tank 201 and causing that in tank, pressure sharply rises due to spontaneous combustion of pulverized coal or the reason such as to catch fire, explosion proof door 205 is opened, release, jeopardizes personal safety to reach the equipment explosion of preventing, and reduces the object of harm.
3) flue gas integrated treatment unit 30:
1. the boiler-burner flue gas containing the pollutant such as a large amount of dust and sulfur dioxide before purification enters vertically disposed tubular reactor 301 through smokejack, flyash is obtained after cyclone dust collectors 304 and sack cleaner 305 double-filtration, flyash is collected into ash bucket 303, the dustless gas after purification is discharged.
2. the revolving valve 308 on ON cycle pipeline 306, flyash in ash bucket 303 sends into coal dust ash surge tank 309 through circulating line 306, the LOAD CELLS 310 that the outer circumference of coal dust ash surge tank 309 is arranged, the weight of coal dust ash surge tank 309 and wherein flyash can be weighed in real time, can prevent from lacking powder or full powder in coal dust ash surge tank 309.
3. the flyash in coal dust ash surge tank 309, and clean water enters hybrid humidifier 311, the flyash after hybrid humidifier 311 humidification by mixing of gas sends into tubular reactor 301 again; The calcium activated contained in flyash after the sulfur dioxide contained in the boiler smoke that smokejack enters in tubular reactor 301 and humidification by mixing of gas, under suitable temperature and humidity condition, carry out reaction and generate solid salt, sulfur dioxide is cured in flyash, thus reaches the object of solid sulphur desulfurization.Flyash is sent in ash bucket 303 with flue gas again, again ciculation fluidized by circulating line 306, by the time of contact of ciculation fluidized increase flyash and flue gas.
4. step 3. in, when calcium activated content in flyash is low cause desulfurized effect undesirable time, can send in hybrid humidifier 311 through doser 313 by the desulfurizer powder stored in desulfurizing agent storage tank 314, desulfurizing agent is high concentration active material, greatly can strengthen desulfurized effect.
5. when the flyash accumulated in ash bucket 303 is too much or most flyash reacts complete, open the revolving valve 308 on output channel 307, flyash in ash bucket 303 enters auger conveyor 315 through output channel 307, is entered in fly ash carry storage device 40 by flyash by auger conveyor 315.
4) fly ash carry storage device 40:
1. coal dust ash enters storehouse pump 402 by ash dropping hopper 401, carries compressed air to blow conveying by compressed air hose 409, and coal dust ash enters grey storehouse 408 by ash pipeline 407.
2. the bottom in grey storehouse 408 is provided with the first ash discharging hole and the second ash discharging hole, first ash discharging hole connects first row ash pipe, the output of first row ash pipe connects a dry ash bulk machine 417, dry ash bulk machine 417 also connects air-introduced machine 418, negative pressure is formed by dry ash bulk machine 417 by air-introduced machine 418, in airtight tank car 419, carry dry ash by dry ash bulk machine 417, can airborne dust be avoided; Second ash discharging hole connects second row ash pipe, and the output of second row ash pipe connects twin shaft wet mixer 421, is discharged on grey car 422 by the wet ash after twin shaft wet mixer 421 stirs.
5) inert gas protection device 50:CO checkout gear 209 and temperature sensor 209 check the CO concentration in storage powder tank 201 and temperature respectively; when CO concentration or temperature reach capping; signal transmission, to measure and control device, opens master control valve 503, the CO in storage device 501
2extinguishing chemical passes through CO
2output pipe 502 enters storage powder tank 201, is sprayed by shower nozzle 508, carries out inactive protect, can prevent spontaneous combustion to storage powder tank 201; Because shower nozzle 508 is arranged on the sidewall top of storage powder tank 201, and be provided with dust cover, therefore, can prevent coal dust from entering CO
2output pipe 502; Meanwhile, CO
2output pipe 502 is arranged inerting controller 506 and choke valve 507, can CO be ensured by inerting controller 506 and choke valve 507
2extinguishing chemical low discharge, to spurt for a long time, complete CO
2the control of flow; In the process, the vaporizer 505 that the link of total output pipe and storage device 501 is arranged works, this is because low pressure CO
2the extinguishing chemical of system is stored in storage device 501 in liquid form, spurts in process and easily ties dry ice, cause CO
2output pipe 502 blocks, and therefore needs to adopt vaporizer 505.The controller of inerting simultaneously 506 controls according to the temperature of flow to vaporizer 505, avoids overtemperature.
6) gravity Combined anti-explosion door 60: the top being arranged on storage powder tank 201 bottom lower limit section 603 by flange; Under normal operation circumstances, when membrane type bursting diaphragm 604 can prevent from storing up powder on powder tank 201, powder is revealed and is caused environmental pollution; When storing up powder tank 201 and causing that in tank, pressure sharply rises due to spontaneous combustion of pulverized coal or the reason such as to catch fire, membrane type bursting diaphragm 604 is opened, explosion door cover plate 606 is upwards overturn by pivoted arm structure 607, open storage powder tank 201 and carry out release, jeopardize personal safety to reach the equipment explosion of preventing, reduce the object of harm.Simultaneously, the present invention is provided with stopping means 605, when explosion door cover plate 606 upwards overturn collide stopping means 605 time, upset can not be continued, can fall and again cover, therefore, explosion door cover plate 606 can be prevented owing to transfinite the phenomenon causing resetting position, make storage powder tank 201 while release, close explosion proof door.
The various embodiments described above are only for illustration of the present invention, and wherein the structure, connected mode etc. of each parts all can change to some extent, and every equivalents of carrying out on the basis of technical solution of the present invention and improvement, all should not get rid of outside protection scope of the present invention.
Claims (32)
1. an industrial coal powder boiler system, it is characterized in that: it comprises powder and stores feeding device, described powder stores feeding device for coal dust to boiler-burner, the flue gas that described boiler-burner burning produces sends into flue gas integrated treatment unit, and the flue gas flying dust after the process of described flue gas integrated treatment unit sends into fly ash carry storage device;
Described powder stores feeding device and comprises tube cell on a storage powder tank and a coal dust, and on described coal dust, one end of tube cell connects coal dust tank car, and the other end is through described storage powder tank top from bottom to top, inserts in described storage powder tank; The top of described storage powder tank is provided with explosion proof door, and the inner top of described storage powder tank is provided with deduster; High charge level meter and low level-sensing device is provided with in described storage powder tank; Described storage powder tank bottom is divided into two taper storehouses, the bottom discharge mouth place in two described taper storehouses connects a gravimetric tank respectively, the sidewall of gravimetric tank described in two all hangs on one group of LOAD CELLS, LOAD CELLS described in each is fixing on the operational platform, and the bottom discharge mouth of gravimetric tank described in two is respectively arranged with one for supplying the loader of coal dust for described boiler-burner;
Described flue gas integrated treatment unit comprises vertically disposed tubular reactor, the smoke inlet of described tubular reactor connects the smokejack of described boiler-burner, the top exit of described tubular reactor connects the ash bucket be arranged on support, deduster is provided with in described ash bucket, a circulating line and an output channel is provided with below described ash bucket, the output of described circulating line connects coal dust ash surge tank, the bottom of described coal dust ash surge tank connects hybrid humidifier by pipeline, described hybrid humidifier is provided with the pipeline at a connection water source; The output of described hybrid humidifier passes through the interior bottom of tubular reactor described in pipeline communication; The output of the described output channel below described ash bucket connects auger conveyor, and the output of described auger conveyor connects described fly ash carry storage device;
Described fly ash carry storage device comprises the ash dropping hopper connecting described auger conveyor output; The bottom output of described ash dropping hopper connects its top feed mouth of storehouse pump; The sidepiece discharging opening of described storehouse pump connects ash pipeline, and the output of described ash pipeline connects described grey storehouse; The bottom air inlet of described storehouse pump connects compressed air hose, and the input of described compressed air hose connects compressed air supply arrangement, and output connects described ash pipeline; The top in described grey storehouse is provided with vacuum pressure relief valve and deduster; The bottom in described grey storehouse is provided with the first ash discharging hole and the second ash discharging hole, and described first ash discharging hole connects the first row ash pipe with Pneumatic dump valve, the output of described first row ash pipe connects a dry ash bulk machine, and described dry ash bulk machine also connects air-introduced machine; The output of described dry ash bulk machine arranges airtight tank car; Second ash discharging hole in described grey bottom of the reservior portion connects the second row ash pipe with revolution discharge valve, and the output of described second row ash pipe connects a mixer, and described mixer is connected with water pipe, and the output of described mixer arranges grey car.
2. a kind of industrial coal powder boiler system as claimed in claim 1, it is characterized in that: it also comprises powder conveying separator-filter, described powder conveying separator-filter comprises the filter outer wall of a tubbiness, described filter outer wall top is provided with top cover, a filtration screen drum is provided with in described filter outer wall, described filtration screen drum is covered with eyelet, described filtration screen drum connects the output in powder inlet pipe road, the input in described powder inlet pipe road is connected with coal dust tank car through described filter outer wall, described filter outer wall connects the input of powder delivery pipeline, the output of described powder delivery pipeline is arranged on the outside of described filter outer wall, store tube cell on the described coal dust in feeding device to be connected with described powder.
3. a kind of industrial coal powder boiler system as claimed in claim 1, it is characterized in that: it also comprises inert gas protection device, described inert gas protection device comprises for storing CO
2the storage device of extinguishing chemical, described storage device passes through CO
2output pipe connects the storage powder tank in described powder storage feeding device; Described CO
2output pipe is disposed with master control valve, decompression table, vaporizer, inerting controller and choke valve; Described CO
2the link of output pipe and described storage powder tank is provided with some shower nozzles; CO checkout gear and temperature sensor is provided with in described storage powder tank.
4. a kind of industrial coal powder boiler system as claimed in claim 2, it is characterized in that: it also comprises inert gas protection device, described inert gas protection device comprises for storing CO
2the storage device of extinguishing chemical, described storage device passes through CO
2output pipe connects the storage powder tank in described powder storage feeding device; Described CO
2output pipe is disposed with master control valve, decompression table, vaporizer, inerting controller and choke valve; Described CO
2the link of output pipe and described storage powder tank is provided with some shower nozzles; CO checkout gear and temperature sensor is provided with in described storage powder tank.
5. a kind of industrial coal powder boiler system as claimed in claim 1 or 2 or 3 or 4, it is characterized in that: described powder stores in feeding device, the explosion proof door that described storage powder tank top is arranged is gravity Combined anti-explosion door, and described gravity Combined anti-explosion door comprises spacing section of the top set gradually up and down, spacing section of middle part and lower limit section; Spacing section of described top, spacing section of middle part and lower limit section are all cylindrical, pass through Flange joint between adjacent described spacing section; Be arranged on the top of described storage powder tank bottom described lower limit section by flange, between the flange at described lower limit section and spacing section of middle part, be provided with one deck membrane type bursting diaphragm; The welding of outside that described middle part is spacing section is provided with a stopping means, and described stopping means is horizontal segment with one end of welding, spacing section of described middle part, and the other end of described stopping means bends and upwards extends, and to described top the inclined upward of spacing section; The top that described top is spacing section is provided with an explosion door cover plate, and described explosion door cover plate connects described stopping means near the side of described stopping means by pivoted arm structure; Described explosion door cover plate is provided with some balancing weights.
6. a kind of industrial coal powder boiler system as claimed in claim 1 or 2 or 3 or 4, it is characterized in that: described pivoted arm structure comprises the rotating shaft be connected with described explosion door cover plate, described rotating shaft is by bearing and bearings seat supports, described bearing support block is arranged on support, and described support is bolted the horizontal segment being arranged on described stopping means.
7. a kind of industrial coal powder boiler system as claimed in claim 5, it is characterized in that: described pivoted arm structure comprises the rotating shaft be connected with described explosion door cover plate, described rotating shaft is by bearing and bearings seat supports, described bearing support block is arranged on support, and described support is bolted the horizontal segment being arranged on described stopping means.
8. a kind of industrial coal powder boiler system as described in claim 1 or 2 or 3 or 4 or 7, is characterized in that: described powder stores in feeding device, and the bottom discharge mouth place in two described taper storehouses is provided with a strength fluidizer and an electronic blanking revolving valve; The bottom discharge mouth place of two described gravimetric tanks is respectively arranged with agitating device; A pressure-equalizing pipe is provided with between two described gravimetric tanks and described storage powder tank.
9. a kind of industrial coal powder boiler system as claimed in claim 5, is characterized in that: described powder stores in feeding device, and the bottom discharge mouth place in two described taper storehouses is provided with a strength fluidizer and an electronic blanking revolving valve; The bottom discharge mouth place of two described gravimetric tanks is respectively arranged with agitating device; A pressure-equalizing pipe is provided with between two described gravimetric tanks and described storage powder tank.
10. a kind of industrial coal powder boiler system as claimed in claim 6, is characterized in that: described powder stores in feeding device, and the bottom discharge mouth place in two described taper storehouses is provided with a strength fluidizer and an electronic blanking revolving valve; The bottom discharge mouth place of two described gravimetric tanks is respectively arranged with agitating device; A pressure-equalizing pipe is provided with between two described gravimetric tanks and described storage powder tank.
11. a kind of industrial coal powder boiler systems as described in claim 1 or 2 or 3 or 4 or 7 or 9 or 10, it is characterized in that: described powder stores in feeding device, described loader includes a support stand, described support stand is provided with the feed spiral be positioned at below described gravimetric tank bottom discharge mouth, the below of described feed spiral is provided with primary air fan, and described primary air fan is provided with hand_pneumatic valve.
12. a kind of industrial coal powder boiler systems as claimed in claim 5, it is characterized in that: described powder stores in feeding device, described loader includes a support stand, described support stand is provided with the feed spiral be positioned at below described gravimetric tank bottom discharge mouth, the below of described feed spiral is provided with primary air fan, and described primary air fan is provided with hand_pneumatic valve.
13. a kind of industrial coal powder boiler systems as claimed in claim 6, it is characterized in that: described powder stores in feeding device, described loader includes a support stand, described support stand is provided with the feed spiral be positioned at below described gravimetric tank bottom discharge mouth, the below of described feed spiral is provided with primary air fan, and described primary air fan is provided with hand_pneumatic valve.
14. a kind of industrial coal powder boiler systems as claimed in claim 8, it is characterized in that: described powder stores in feeding device, described loader includes a support stand, described support stand is provided with the feed spiral be positioned at below described gravimetric tank bottom discharge mouth, the below of described feed spiral is provided with primary air fan, and described primary air fan is provided with hand_pneumatic valve.
15. a kind of industrial coal powder boiler systems as described in claim 1 or 2 or 3 or 4 or 7 or 9 or 10 or 12 or 13 or 14, is characterized in that: in described flue gas integrated treatment unit, described circulating line and output channel are provided with single-revolution valve; The outer wall circumference of described coal dust ash surge tank is provided with LOAD CELLS, and described LOAD CELLS is fixed on support; Described hybrid humidifier is also provided with the pipeline of a connection doser, the top of described doser connects desulfurizing agent storage tank, desulfurizer powder is stored in described desulfurizing agent storage tank, the outer wall circumference of described desulfurizing agent storage tank is provided with LOAD CELLS, and described LOAD CELLS is fixed on support.
16. a kind of industrial coal powder boiler systems as claimed in claim 5, is characterized in that: in described flue gas integrated treatment unit, described circulating line and output channel are provided with single-revolution valve; The outer wall circumference of described coal dust ash surge tank is provided with LOAD CELLS, and described LOAD CELLS is fixed on support; Described hybrid humidifier is also provided with the pipeline of a connection doser, the top of described doser connects desulfurizing agent storage tank, desulfurizer powder is stored in described desulfurizing agent storage tank, the outer wall circumference of described desulfurizing agent storage tank is provided with LOAD CELLS, and described LOAD CELLS is fixed on support.
17. a kind of industrial coal powder boiler systems as claimed in claim 6, is characterized in that: in described flue gas integrated treatment unit, described circulating line and output channel are provided with single-revolution valve; The outer wall circumference of described coal dust ash surge tank is provided with LOAD CELLS, and described LOAD CELLS is fixed on support; Described hybrid humidifier is also provided with the pipeline of a connection doser, the top of described doser connects desulfurizing agent storage tank, desulfurizer powder is stored in described desulfurizing agent storage tank, the outer wall circumference of described desulfurizing agent storage tank is provided with LOAD CELLS, and described LOAD CELLS is fixed on support.
18. a kind of industrial coal powder boiler systems as claimed in claim 8, is characterized in that: in described flue gas integrated treatment unit, described circulating line and output channel are provided with single-revolution valve; The outer wall circumference of described coal dust ash surge tank is provided with LOAD CELLS, and described LOAD CELLS is fixed on support; Described hybrid humidifier is also provided with the pipeline of a connection doser, the top of described doser connects desulfurizing agent storage tank, desulfurizer powder is stored in described desulfurizing agent storage tank, the outer wall circumference of described desulfurizing agent storage tank is provided with LOAD CELLS, and described LOAD CELLS is fixed on support.
19. a kind of industrial coal powder boiler systems as claimed in claim 11, is characterized in that: in described flue gas integrated treatment unit, described circulating line and output channel are provided with single-revolution valve; The outer wall circumference of described coal dust ash surge tank is provided with LOAD CELLS, and described LOAD CELLS is fixed on support; Described hybrid humidifier is also provided with the pipeline of a connection doser, the top of described doser connects desulfurizing agent storage tank, desulfurizer powder is stored in described desulfurizing agent storage tank, the outer wall circumference of described desulfurizing agent storage tank is provided with LOAD CELLS, and described LOAD CELLS is fixed on support.
20. a kind of industrial coal powder boiler system as described in claim 1 or 2 or 3 or 4 or 7 or 9 or 10 or 12 or 13 or 14 or 16 or 17 or 18 or 19, it is characterized in that: in described fly ash carry storage device, the bottom output of described ash dropping hopper is provided with an inlet valve, the its top feed mouth place of described storehouse pump is provided with a manual service valve, is provided with a telescopic joint between described inlet valve and described manual service valve; Balance pipe is provided with between described ash dropping hopper and described storehouse pump; Level-sensing device is provided with in described storehouse pump and described grey storehouse.
21. a kind of industrial coal powder boiler systems as claimed in claim 5, it is characterized in that: in described fly ash carry storage device, the bottom output of described ash dropping hopper is provided with an inlet valve, the its top feed mouth place of described storehouse pump is provided with a manual service valve, is provided with a telescopic joint between described inlet valve and described manual service valve; Balance pipe is provided with between described ash dropping hopper and described storehouse pump; Level-sensing device is provided with in described storehouse pump and described grey storehouse.
22. a kind of industrial coal powder boiler systems as claimed in claim 6, it is characterized in that: in described fly ash carry storage device, the bottom output of described ash dropping hopper is provided with an inlet valve, the its top feed mouth place of described storehouse pump is provided with a manual service valve, is provided with a telescopic joint between described inlet valve and described manual service valve; Balance pipe is provided with between described ash dropping hopper and described storehouse pump; Level-sensing device is provided with in described storehouse pump and described grey storehouse.
23. a kind of industrial coal powder boiler systems as claimed in claim 8, it is characterized in that: in described fly ash carry storage device, the bottom output of described ash dropping hopper is provided with an inlet valve, the its top feed mouth place of described storehouse pump is provided with a manual service valve, is provided with a telescopic joint between described inlet valve and described manual service valve; Balance pipe is provided with between described ash dropping hopper and described storehouse pump; Level-sensing device is provided with in described storehouse pump and described grey storehouse.
24. a kind of industrial coal powder boiler systems as claimed in claim 11, it is characterized in that: in described fly ash carry storage device, the bottom output of described ash dropping hopper is provided with an inlet valve, the its top feed mouth place of described storehouse pump is provided with a manual service valve, is provided with a telescopic joint between described inlet valve and described manual service valve; Balance pipe is provided with between described ash dropping hopper and described storehouse pump; Level-sensing device is provided with in described storehouse pump and described grey storehouse.
25. a kind of industrial coal powder boiler systems as claimed in claim 15, it is characterized in that: in described fly ash carry storage device, the bottom output of described ash dropping hopper is provided with an inlet valve, the its top feed mouth place of described storehouse pump is provided with a manual service valve, is provided with a telescopic joint between described inlet valve and described manual service valve; Balance pipe is provided with between described ash dropping hopper and described storehouse pump; Level-sensing device is provided with in described storehouse pump and described grey storehouse.
26. a kind of industrial coal powder boiler systems as described in claim 1 or 2 or 3 or 4 or 7 or 9 or 10 or 12 or 13 or 14 or 16 or 17 or 18 or 19 or 21 or 22 or 23 or 24 or 25, it is characterized in that: in described fly ash carry storage device, the bottom in described grey storehouse is provided with fluidized plate, described fluidized plate connects compressed air hose, and the input of described compressed air hose connects compressed air supply arrangement.
27. a kind of industrial coal powder boiler systems as claimed in claim 5, it is characterized in that: in described fly ash carry storage device, the bottom in described grey storehouse is provided with fluidized plate, and described fluidized plate connects compressed air hose, and the input of described compressed air hose connects compressed air supply arrangement.
28. a kind of industrial coal powder boiler systems as claimed in claim 6, it is characterized in that: in described fly ash carry storage device, the bottom in described grey storehouse is provided with fluidized plate, and described fluidized plate connects compressed air hose, and the input of described compressed air hose connects compressed air supply arrangement.
29. a kind of industrial coal powder boiler systems as claimed in claim 8, it is characterized in that: in described fly ash carry storage device, the bottom in described grey storehouse is provided with fluidized plate, and described fluidized plate connects compressed air hose, and the input of described compressed air hose connects compressed air supply arrangement.
30. a kind of industrial coal powder boiler systems as claimed in claim 11, it is characterized in that: in described fly ash carry storage device, the bottom in described grey storehouse is provided with fluidized plate, and described fluidized plate connects compressed air hose, and the input of described compressed air hose connects compressed air supply arrangement.
31. a kind of industrial coal powder boiler systems as claimed in claim 15, it is characterized in that: in described fly ash carry storage device, the bottom in described grey storehouse is provided with fluidized plate, and described fluidized plate connects compressed air hose, and the input of described compressed air hose connects compressed air supply arrangement.
32. a kind of industrial coal powder boiler systems as claimed in claim 20, it is characterized in that: in described fly ash carry storage device, the bottom in described grey storehouse is provided with fluidized plate, and described fluidized plate connects compressed air hose, and the input of described compressed air hose connects compressed air supply arrangement.
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| CN201210510234.1A CN102980200B (en) | 2012-12-03 | 2012-12-03 | Pulverized coal industrial boiler system |
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| CN201210510234.1A CN102980200B (en) | 2012-12-03 | 2012-12-03 | Pulverized coal industrial boiler system |
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| CN104075079A (en) * | 2014-07-09 | 2014-10-01 | 苏州晓炎自动化设备有限公司 | Reactor support |
| CN104791829A (en) * | 2015-04-14 | 2015-07-22 | 煤炭科学技术研究院有限公司 | Pulverized coal storing and supplying system |
| CN106123585A (en) * | 2016-08-22 | 2016-11-16 | 重庆市大龙窑炉制造有限公司 | A kind of tunnel cave coal feed system |
| CN107401753A (en) * | 2017-07-27 | 2017-11-28 | 芜湖新农夫机械有限公司 | A kind of general hot-blast stove emission-control equipment of multimedium fuel |
| CN109395664A (en) * | 2018-12-24 | 2019-03-01 | 中冶南方都市环保工程技术股份有限公司 | A kind of column activated coke granulating system and method |
| CN111624140B (en) * | 2020-05-18 | 2021-08-17 | 武汉理工大学 | Device and method for measuring distribution of pulverized coal leakage flow field |
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