CN210473580U - Tail gas treatment device of pulverized coal furnace - Google Patents
Tail gas treatment device of pulverized coal furnace Download PDFInfo
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- CN210473580U CN210473580U CN201921236669.5U CN201921236669U CN210473580U CN 210473580 U CN210473580 U CN 210473580U CN 201921236669 U CN201921236669 U CN 201921236669U CN 210473580 U CN210473580 U CN 210473580U
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- Prior art keywords
- tail gas
- outer protective
- filter screen
- active carbon
- dust filter
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- 239000003245 coal Substances 0.000 title claims description 21
- 230000001681 protective effect Effects 0.000 claims abstract description 45
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 43
- 239000000428 dust Substances 0.000 claims abstract description 40
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 31
- 238000007789 sealing Methods 0.000 claims abstract description 25
- 238000012545 processing Methods 0.000 claims abstract description 11
- 238000010521 absorption reaction Methods 0.000 claims description 56
- 230000003647 oxidation Effects 0.000 claims description 29
- 238000007254 oxidation reaction Methods 0.000 claims description 29
- XTEGARKTQYYJKE-UHFFFAOYSA-N chloric acid Chemical compound OCl(=O)=O XTEGARKTQYYJKE-UHFFFAOYSA-N 0.000 claims description 20
- 229940005991 chloric acid Drugs 0.000 claims description 19
- 239000003513 alkali Substances 0.000 claims description 14
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 9
- 229910052979 sodium sulfide Inorganic materials 0.000 claims description 4
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims 4
- 238000012423 maintenance Methods 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 239000000126 substance Substances 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 238000003466 welding Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 40
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 8
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 8
- 239000002956 ash Substances 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 231100000331 toxic Toxicity 0.000 description 5
- 230000002588 toxic effect Effects 0.000 description 5
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- -1 sodium sulfide sodium hydroxide Chemical compound 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 239000002250 absorbent Substances 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 238000009298 carbon filtering Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000007800 oxidant agent Substances 0.000 description 2
- VLTRZXGMWDSKGL-UHFFFAOYSA-N perchloric acid Chemical compound OCl(=O)(=O)=O VLTRZXGMWDSKGL-UHFFFAOYSA-N 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000011362 coarse particle Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Treating Waste Gases (AREA)
Abstract
The utility model belongs to the technical field of the buggy stove, especially, be a tail gas processing apparatus of buggy stove, including the outer protective housing, outer protective housing bottom four corners all vertical fixedly connected with shell support column, outer protective housing left end top horizontal through connection has the tail gas input tube, tail gas input tube right-hand member is equipped with dust filter screen, dust filter screen right-hand member is equipped with the active carbon filter layer, dust filter screen and active carbon filter layer left and right ends bottom are symmetrical respectively and are laminated the dictyosome supporting shoe, dictyosome supporting shoe bottom all fixed welding has the bearing extension board, dust filter screen and active carbon filter layer top all are equipped with sealing door, sealing door inner rotates respectively through the pivot and connects in outer protective housing top; the utility model discloses can fall the thorough processing of multiple harmful substance in the tail gas under the condition of water resource not extravagant, make the device environmental protection more and swiftly convenient to the processing work of tail gas, solve the later stage and use the problem of maintenance difficulty.
Description
Technical Field
The utility model belongs to the technical field of the buggy stove, concretely relates to tail gas processing apparatus of buggy stove.
Background
The pulverized coal furnace is a boiler device using pulverized coal as fuel, and has the advantages of quick and complete combustion, large capacity, high efficiency, wide coal adaptation range, convenient control and regulation, etc., and the combustion characteristic of the pulverized coal furnace is that the fuel enters a combustion chamber along with air, the pulverized coal is conveyed by primary air and enters the hearth through the burner, secondary air is introduced into the hearth through a secondary air annular air duct or a secondary air port of the burner, and a mixture of the pulverized coal and air enters the hearth and is subjected to processes of preheating, drying, volatilization analysis, discharge and the like, the coal powder is ignited and burnt at a certain distance from the outlet of the burner, and the ash is formed after the coal powder is burnt out, wherein a small part of ash with coarse particles forms ash slag, falls into a cold ash hopper, is cooled into solid ash slag, and is periodically or continuously removed; the vast majority of the finer particle ash is carried away by the flue gas and is commonly referred to as fly ash.
The prior art has the following problems:
1. the tail gas treatment device of the existing pulverized coal furnace utilizes various reagents for disinfection and spraying, then directly discharges the tail gas, cannot treat various toxic metals in the tail gas at all, wastes water resources and cannot treat thoroughly;
2. when the tail gas processing device of present pulverized coal furnace is used, the whole processing device is required to be disassembled vigorously for maintenance when the filter component is required to be replaced, and the problem in later use is large.
SUMMERY OF THE UTILITY MODEL
To solve the problems set forth in the background art described above. The utility model provides a tail gas processing apparatus of buggy stove has the characteristics of handling thoroughly and maintenance easy maintenance.
In order to achieve the above object, the utility model provides a following technical scheme: a tail gas treatment device of a pulverized coal furnace comprises an outer protective shell, wherein four corners of the bottom of the outer protective shell are vertically and fixedly connected with shell supporting columns, the top of the left end of the outer protective shell is horizontally and penetratingly connected with a tail gas input pipe, the right end of the tail gas input pipe is provided with a dust filter screen, the right end of the dust filter screen is provided with an active carbon filter layer, net body supporting blocks are symmetrically attached to the bottoms of the left end and the right end of the dust filter screen and the active carbon filter layer respectively, bearing supporting plates are fixedly welded to the bottoms of the net body supporting blocks, sealing doors are arranged on the tops of the dust filter screen and the active carbon filter layer respectively, the inner ends of the sealing doors are rotatably connected to the top of the outer protective shell through rotating shafts respectively, the right end of the active carbon filter layer is provided with a first air draft fan, a first air, the oxidation absorption box inner chamber is filled with chloric acid, just the oxidation absorption box left end top runs through the nestification through the pipeline level and has had exhaust fan two, the horizontal nestification of exhaust fan left end runs through has the second air duct, the second air duct left end outside through connection has basic absorption box, the packing of basic absorption box inner chamber has sodium sulfide sodium hydroxide mixture, just basic absorption box left end top level through connection has the blast pipe, blast pipe outside level through connection is in the outer protective housing left end, outer protective housing left surface bottom fixedly connected with flush mounting plate of switch.
Preferably, the number of the net body supporting blocks is four groups and eight, and the horizontal distance between every two net body supporting blocks is consistent with the thickness of the dust filter screen and the thickness of the active carbon filter layer.
Preferably, dust filter screen quantity is two, active carbon filter layer quantity is two, all leave the interval between dust filter screen, the active carbon filter layer, just dust filter screen, active carbon filter layer all with outer protective housing inner chamber structure phase-match.
Preferably, sealing door top outer end all is connected with the handle, sealing door quantity is two, sealing door respectively with outer protective housing structure size phase-match.
Preferably, the bottom of the first air duct and the bottom of the left end of the second air duct are fixedly nested with tail gas nozzles.
Preferably, the two bottoms of induced draft fan are connected to the bottom surface of the outer protective shell through the vertical fixing of supporting rod, the equal fixed connection in bearing extension board bottom surface in oxidation absorption case, alkali type absorption case top surface, the fixed welding in outer protective shell left side inner wall of bearing extension board left end surface level, the equal fixed connection in outer protective shell bottom surface in oxidation absorption case, alkali type absorption case bottom, oxidation absorption case, alkali type absorption case front side are seted up porosely respectively, just the equal through connection in oxidation absorption case, the inboard bottom of alkali type absorption case has the blow off pipe.
Preferably, the first exhaust fan and the second exhaust fan are respectively and electrically connected to the switch panel through electric wires, the external power source is respectively and electrically connected to the outer sides of the first exhaust fan and the second exhaust fan through power wires, the top of the first exhaust fan is fixedly connected to the inner wall of the top of the outer protective shell, and the bottom of the first exhaust fan is fixedly connected to the surface of the right end of the top of the bearing support plate.
Compared with the prior art, the beneficial effects of the utility model are that:
1. by providing an oxidation absorption tank filled with chloric acid and an alkali type absorption tank filled with a mixture of sodium sulfide and sodium hydroxide, when the primary filtered exhaust gas is introduced into the oxidation absorption tank by the first gas guide tube, 99% of a 35% chloric acid solution can be dissociated based on chloric acid being a strong acid, which is stronger than sulfuric acid, and chloric acid is also a strong oxidizing agent, and the oxidation potential is controlled by the liquid phase pH. Under the condition of an acidic medium, chloric acid has stronger oxidizing property than perchloric acid (HCIO4), so that tail gas can be directly contacted with chloric acid, and chemical reaction is carried out, chloric acid can directly oxidize nitric oxide, sulfur dioxide and toxic metal in the tail gas, then nitric oxide, sulfur dioxide and toxic metals in the tail gas are filtered, and further the tail gas is guided by the exhaust fan II to enter the alkali type absorption box through the second gas guide pipe, the sodium sulfide and sodium hydroxide mixture in the alkali type absorption box can be directly used as an absorbent to absorb residual alkaline gas, thereby thoroughly treating and purifying the tail gas produced by the pulverized coal furnace and discharging the tail gas through the exhaust pipe, the whole treatment is smooth, and can thoroughly handle the multiple harmful substance in the tail gas under the condition of not wasting the water resource for the device is environmental protection and swift convenient more to the treatment of tail gas.
2. Through being equipped with two dust filter screens and two active carbon filter layers, can carry out primary filter when tail gas gets into the device, directly filter impurity and other particulate matters, and the staff can directly pull up the handle and open sealing door will then change two dust filter screens and two active carbon filter layers, directly take out two dust filter screens and two active carbon filter layers between the dictyosome supporting shoe and go back with new card again can, and then can help the light swift filter block in the change the device of staff, solve the problem that later stage use maintenance difficulty, strengthen the device's whole practicality.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of an opening structure of the middle sealing door of the present invention;
in the figure: 1. an outer protective shell; 2. a housing support post; 3. a tail gas input pipe; 4. a dust filter screen; 5. a net body supporting block; 6. a load bearing support plate; 7. a sealing door; 8. an air draft fan I; 9. a first air duct; 10. an oxidation absorption tank; 11. chloric acid; 12. a second air draft fan; 13. a second air duct; 14. an alkali absorption tank; 15. an exhaust pipe; 16. a tail gas spray head; 17. a switch panel; 18. a blow-off pipe; 19. sodium sulfide sodium hydroxide mixture; 20. and an active carbon filter layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
Referring to fig. 1-2, the present invention provides the following technical solutions: a tail gas treatment device of a pulverized coal furnace comprises an outer protective shell 1, four corners at the bottom of the outer protective shell 1 are vertically and fixedly connected with shell supporting columns 2, the top of the left end of the outer protective shell 1 is horizontally and penetratingly connected with a tail gas input pipe 3, the right end of the tail gas input pipe 3 is provided with a dust filter screen 4, the right end of the dust filter screen 4 is provided with an active carbon filter layer 20, the bottoms of the left and right ends of the dust filter screen 4 and the active carbon filter layer 20 are respectively and symmetrically attached with a net body supporting block 5, the bottom of the net body supporting block 5 is fixedly welded with a bearing supporting plate 6, the tops of the dust filter screen 4 and the active carbon filter layer 20 are respectively provided with a sealing door 7, the inner end of the sealing door 7 is respectively and rotatably connected with the top of the outer protective shell 1 through a rotating shaft, the right end of the active carbon filter layer 20 is provided, the oxidation absorption box 10 inner chamber is filled with chloric acid 11, and the oxidation absorption box 10 left end top runs through the nestification through the pipeline level and has had exhaust fan two 12, the horizontal nestification of the second air duct 13 that runs through of exhaust fan two 12 left ends, 13 left end outside through connection of second air duct has basic absorption box 14, 14 inner chambers of basic absorption box are filled with sodium sulfide sodium hydroxide mixture 19, and 14 left end top levels through connection of basic absorption box have blast pipe 15, 15 outside levels through connection of blast pipe are in 1 left end of outer protective housing, 1 left surface bottom fixedly connected with switch panel 17 of outer protective housing.
In this embodiment: the first 8 models of the air draft fan are Xinge-XG-3.
In this embodiment: and the exhaust fan II is 12 model CHOOLONG-MF-150P.
In this embodiment: sealing door 7 is applicable to outer protective housing 1 to can seal outer protective housing 1, the staff directly pulls up the handle and opens sealing door 7 and will then change two dust filter screen 4 and two active carbon filter 20, directly take out between dictyosome supporting shoe 5 two dust filter screen 4 and two active carbon filter 20 and go back can with new card again.
Specifically, the number of the net body supporting blocks 5 is four groups and eight, and the horizontal distance between every two groups of net body supporting blocks 5 is consistent with the thickness of the dust filter screen 4 and the thickness of the active carbon filter layer 20 respectively; the eight net body supporting blocks 5 are divided into four groups corresponding to two dust filtering nets 4 and two active carbon filtering layers 20.
Specifically, the number of the dust filter screens 4 is two, the number of the activated carbon filter layers 20 is two, a space is reserved between each dust filter screen 4 and each activated carbon filter layer 20, and the dust filter screens 4 and the activated carbon filter layers 20 are matched with the inner cavity structure of the outer protective shell 1; every two net body supporting blocks 5 correspond to and fix a dust filtering net 4 or an active carbon filtering layer 20.
Specifically, the outer ends of the tops of the sealing doors 7 are connected with handles, the number of the sealing doors 7 is two, and the sealing doors 7 are respectively matched with the structural size of the outer protective shell 1; the sealing door 7 is opened by pulling the handle, then the two dust filter screens 4 and the two activated carbon filter layers 20 are replaced, and the two dust filter screens 4 and the two activated carbon filter layers 20 are directly pulled out through the net body supporting block 5 and are clamped back again.
Specifically, the bottom of the first air duct 9 and the bottom of the left end of the second air duct 13 are fixedly nested with a tail gas nozzle 16; the tail gas is conducted to the oxidation absorption box 10 through the first gas-guide pipe 9 and conducted to the alkali type absorption box 14 through the second gas-guide pipe 13.
Specifically, the bottom of the second exhaust fan 12 is vertically and fixedly connected to the surface of the bottom of the outer protective shell 1 through a support rod, the top surfaces of the oxidation absorption box 10 and the basic absorption box 14 are fixedly connected to the surface of the bottom of the bearing support plate 6, the surface of the left end of the bearing support plate 6 is horizontally and fixedly welded to the inner wall of the left side of the outer protective shell 1, the bottoms of the oxidation absorption box 10 and the basic absorption box 14 are fixedly connected to the surface of the bottom of the outer protective shell 1, holes are respectively formed in the front sides of the oxidation absorption box 10 and the basic absorption box 14, and the bottoms of the inner sides of the oxidation absorption box 10 and; the exhaust fan II 12, the bearing support plate 6, the oxidation absorption box 10 and the basic absorption box 14 are supported and fixed respectively, meanwhile, the front side holes of the oxidation absorption box 10 and the basic absorption box 14 are provided with matched sealing covers for adding chloric acid 11 and sodium sulfide and sodium hydroxide mixture 19, and the two drain pipes 18 are used for discharging reacted and generated impurities.
Specifically, the interiors of the first air draft fan 8 and the second air draft fan 12 are respectively and electrically connected to the switch panel 17 through electric wires, the outer sides of the first air draft fan 8 and the second air draft fan 12 are respectively and electrically connected to an external power supply through power wires, the top of the first air draft fan 8 is fixedly connected to the inner wall of the top of the outer protective shell 1, and the bottom of the first air draft fan 8 is fixedly connected to the surface of the right end of the top of the bearing support plate 6; the opening and closing of the first exhaust fan 8 and the second exhaust fan 12 are controlled through the switch panel 17, and the switch panel 17 is an assembly plate integrated with the switches of the first exhaust fan 8 and the second exhaust fan 12.
The utility model discloses a theory of operation and use flow: first, tail gas enters the outer protective shell through the tail gas input pipe 3, primary filtration is carried out through the two dust filter screens 4 and the two active carbon filter layers 20, impurities and other particulate matters are directly filtered, in the later use process, a worker directly pulls up the handle to open the sealing door 7 and then replaces the two dust filter screens 4 and the two active carbon filter layers 20, the two dust filter screens 4 and the two active carbon filter layers 20 are directly pulled out through the net body supporting block 5 and a new product is clamped back again, then when the first air duct 9 guides the primarily filtered tail gas into the oxidation absorption box 10, the chloric acid 11 is strong acid and stronger than sulfuric acid, 99% of chloric acid solution with the concentration of 35% can be dissociated, and the chloric acid 11 is also a variety of strong oxidizing agents, and the oxidation potential is controlled by liquid phase pH. Under the acidic medium condition, chloric acid 11's oxidizability ratio is still strong than chloric acid (HCIO4), just can let tail gas can directly contact with chloric acid 11, and take place chemical reaction, chloric acid 11 can directly be with the nitric oxide in the tail gas, sulfur dioxide and toxic metal are oxidized, and then filter out the nitric oxide in the tail gas, sulfur dioxide and toxic metal, further through inside exhaust fan two 12's guide enters into basic absorption box 14 through second air duct 13, the inside sodium sulfide sodium hydroxide mixture 19 of basic absorption box 14 can directly be as the absorbent, absorb remaining alkaline gas, and then thorough processing and purification reach the tail gas of buggy stove output, and discharge through blast pipe 15, the overall processing is smooth, and can be under the condition of not extravagant water resource the thorough processing of multiple harmful substance in the tail gas.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a tail gas processing apparatus of buggy stove, includes outer protective housing (1), its characterized in that: the outer protective shell is characterized in that shell supporting columns (2) are vertically and fixedly connected to four corners of the bottom of the outer protective shell (1), a tail gas input pipe (3) is horizontally connected to the top of the left end of the outer protective shell (1) in a penetrating mode, a dust filter screen (4) is arranged at the right end of the tail gas input pipe (3), an active carbon filter layer (20) is arranged at the right end of the dust filter screen (4), net body supporting blocks (5) are symmetrically attached to the bottoms of the left end and the right end of the active carbon filter layer (20) respectively, bearing supporting plates (6) are fixedly welded to the bottoms of the net body supporting blocks (5), sealing doors (7) are arranged at the tops of the dust filter screen (4) and the active carbon filter layer (20), the inner ends of the sealing doors (7) are rotatably connected to the top of the outer protective shell (1) through rotating shafts respectively, a first air duct (9) is arranged at the bottom of the right end of the first air draft fan (8), an oxidation absorption box (10) is vertically inserted through the outer side of the top of the first air duct (9), chloric acid (11) is filled in the inner cavity of the oxidation absorption box (10), and the top of the left end of the oxidation absorption box (10) is horizontally penetrated and nested with a second exhaust fan (12) through a pipeline, the left end of the second exhaust fan (12) is horizontally inserted and nested with a second air duct (13), the outer side of the left end of the second air duct (13) is connected with an alkali type absorption box (14) in a penetrating way, the inner cavity of the basic absorption box (14) is filled with a sodium sulfide and sodium hydroxide mixture (19), and the top of the left end of the basic absorption box (14) is horizontally connected with an exhaust pipe (15) in a penetrating way, the outer side of the exhaust pipe (15) is horizontally connected with the left end of the outer protective shell (1) in a penetrating way, the bottom of the left surface of the outer protective shell (1) is fixedly connected with a switch panel (17).
2. The tail gas treatment device of the pulverized coal furnace as claimed in claim 1, wherein: the net body supporting blocks (5) are four groups of eight in number, and the horizontal distance between every two net body supporting blocks (5) is consistent with the thicknesses of the dust filter screen (4) and the activated carbon filter layer (20).
3. The tail gas treatment device of the pulverized coal furnace as claimed in claim 1, wherein: dust filter screen (4) quantity is two, active carbon filter bed (20) quantity is two, all leave the interval between dust filter screen (4), active carbon filter bed (20), just dust filter screen (4), active carbon filter bed (20) all with outer protective housing (1) inner chamber structure phase-match.
4. The tail gas treatment device of the pulverized coal furnace as claimed in claim 1, wherein: the outer end of the top of the sealing door (7) is connected with handles, the number of the sealing doors (7) is two, and the sealing doors (7) are matched with the structural size of the outer protective shell (1) respectively.
5. The tail gas treatment device of the pulverized coal furnace as claimed in claim 1, wherein: and the bottom of the first air duct (9) and the bottom of the left end of the second air duct (13) are fixedly nested with a tail gas spray head (16).
6. The tail gas treatment device of the pulverized coal furnace as claimed in claim 1, wherein: the utility model discloses an air draft fan, including exhaust fan II (12), bearing board (6), oxidation absorption case (10), alkali absorption case (14), exhaust fan II (12) bottom is through the perpendicular fixed connection of bracing piece in outer protective housing (1) bottom surface, the equal fixed connection in bearing board (6) bottom surface in oxidation absorption case (10), alkali absorption case (14) top surface level is fixed to be welded in outer protective housing (1) left side inner wall, the equal fixed connection in outer protective housing (1) bottom surface in oxidation absorption case (10), alkali absorption case (14) bottom, oxidation absorption case (10), alkali absorption case (14) front side are seted up porosely respectively, just oxidation absorption case (10), the equal.
7. The tail gas treatment device of the pulverized coal furnace as claimed in claim 1, wherein: the internal parts of the first exhaust fan (8) and the second exhaust fan (12) are respectively electrically connected to the switch panel (17) through electric wires, the external power supplies are respectively electrically connected to the outer sides of the first exhaust fan (8) and the second exhaust fan (12) through power wires, the top of the first exhaust fan (8) is fixedly connected to the inner wall of the top of the outer protective shell (1), and the bottom of the first exhaust fan (8) is fixedly connected to the surface of the right end of the top of the bearing support plate (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921236669.5U CN210473580U (en) | 2019-08-01 | 2019-08-01 | Tail gas treatment device of pulverized coal furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921236669.5U CN210473580U (en) | 2019-08-01 | 2019-08-01 | Tail gas treatment device of pulverized coal furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210473580U true CN210473580U (en) | 2020-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921236669.5U Active CN210473580U (en) | 2019-08-01 | 2019-08-01 | Tail gas treatment device of pulverized coal furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210473580U (en) |
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2019
- 2019-08-01 CN CN201921236669.5U patent/CN210473580U/en active Active
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Denomination of utility model: A tail gas treatment device for coal powder boilers Effective date of registration: 20231206 Granted publication date: 20200508 Pledgee: Huainan Huaihe Rural Commercial Bank Co.,Ltd. Square Road Branch Pledgor: ANHUI DEBANG CHEMICAL Co.,Ltd. Registration number: Y2023980069540 |
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