CN212657700U - Fluidized bed boiler desulphurization unit - Google Patents
Fluidized bed boiler desulphurization unit Download PDFInfo
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- CN212657700U CN212657700U CN202021202158.4U CN202021202158U CN212657700U CN 212657700 U CN212657700 U CN 212657700U CN 202021202158 U CN202021202158 U CN 202021202158U CN 212657700 U CN212657700 U CN 212657700U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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Abstract
The utility model discloses a fluidized bed boiler desulphurization unit, concretely relates to boiler desulphurization technical field, including the boiler desulphurization unit body, the boiler desulphurization unit body includes boiler plant, boiler plant left end fixed connection thermal cycle device, thermal cycle device fixed connection filter equipment, the bottom of boiler plant inside is equipped with dross removal mechanism, the upper left side of boiler plant is equipped with the pressure release valve, the upper right side of boiler plant is equipped with electronic belt weigher, the middle dust collector that is equipped with in the upper side of boiler plant, boiler plant includes the combustion chamber, the utility model discloses a weight of barium sediment and coal can accurate measurement through electronic belt weigher, ensures the barium sediment and the coal proportion of sending into the combustion chamber, guarantees that the barium carbonate in sulphur in the coal and the barium sediment is fully reacted as far as possible and falls; in the combustion process, the blower is broken to provide fresh air for the combustion chamber through the heat pipe type air heater, so that the combustion chamber is in an oxygen-enriched state.
Description
Technical Field
The utility model relates to a boiler desulfurization technical field, concretely relates to fluidized bed boiler desulphurization unit.
Background
When sulfur dioxide is dissolved in water, sulfurous acid is formed, if sulfurous acid is further oxidized in the presence of 2113PM2.5, sulfuric acid (a main component of acid rain) can be quickly and efficiently generated, and when sulfur-containing coal is used as a fuel, a desulfurization link is required to be done so as to avoid air pollution.
The existing fluidized bed boiler desulfurization device filters sulfur oxides generated by combustion through a filtering device, has high filtering cost and can not recycle coal slag generated by coal combustion; the coal slag generated by coal combustion is usually cleaned manually, which not only wastes time, but also has low efficiency.
Therefore, it is necessary to develop a desulfurization apparatus for a fluidized bed boiler.
SUMMERY OF THE UTILITY MODEL
Therefore, the fluidized bed boiler desulfurization device has the advantages that through the design of the empty area formed between the deslagging plate and the deslagging plate, the servo motor is used for driving waste residues in the empty area to rotate, the waste residues are thrown out into the slag collecting vehicle, automatic deslagging is realized, and the problem of low manual cleaning efficiency is solved; barium sulfate generated by reacting barium slag with sulfur oxide generated by combustion in coal is used as a cement raw material, so that the problem of recycling waste slag is solved.
In order to achieve the above object, the embodiment of the present invention provides the following technical solutions:
a fluidized bed boiler desulfurization device comprises a boiler desulfurization device body, wherein the boiler desulfurization device body comprises a boiler device, the left end of the boiler device is fixedly connected with a thermal circulation device, the thermal circulation device is fixedly connected with a filtering device, a deslagging device is arranged at the bottom inside the boiler device, a pressure release valve is arranged at the upper left of the boiler device, an electronic belt scale is arranged at the upper right of the boiler device, and a dust collector is arranged in the middle of the upper part of the boiler device;
the boiler device comprises a combustion chamber, a heat insulation layer is arranged on the outer side of the combustion chamber, a feeding hole is formed above the combustion chamber, a slag discharging door is arranged below the combustion chamber, a support frame is fixedly connected below the combustion chamber, and an ash blocking net is arranged on the inner wall of the left side of the combustion chamber;
the slag removing device comprises a servo motor, the servo motor is fixedly connected with a slag removing disc through a bearing, a cone is fixedly connected above the slag removing disc, the outer wall of the slag removing disc is fixedly connected with slag removing plates, an empty area is arranged between the two groups of slag removing plates, and slag collecting vehicles are arranged on two sides of the servo motor;
the heat circulating device comprises a heat pipe type air heater, a heat pipe is arranged in the heat pipe type air heater, the upper part of the left side of the heat pipe type air heater is fixedly connected with a blower through a guide pipe, and the lower part of the left side of the heat pipe type air heater is fixedly connected with a draught fan;
the filter device comprises a filter box, a liquid inlet is arranged above the filter device, an air inlet is arranged on the right side of the filter device, a gas outlet is arranged on the left side of the filter device, a liquid outlet is arranged on the right side of the bottom of the filter device, a valve is arranged on the liquid outlet, filter liquid is arranged in the filter box, and a baffle is fixedly connected to the top of the interior of the filter box.
Preferably, the filtering device comprises a filtering box, a filtering net is arranged in the filtering box, sliding blocks are arranged at two ends of the filtering net, a sliding groove is formed in the inner wall of the combustion chamber, and the sliding blocks are arranged in the sliding groove.
Preferably, the air inlet of the filtering device is fixedly connected with an induced draft fan through a guide pipe.
Preferably, the servo motor is located below the combustion chamber, and the servo motor is located in the support frame.
Preferably, the left end of the electronic belt scale is positioned right above the feeding hole.
Preferably, the slag collecting vehicle is positioned right below the slag discharging door, and the bottom of the baffle is submerged by the filter liquid.
Preferably, the baffles are fixedly connected with the inner walls of the front side, the rear side and the upper side of the filter box, and the height of each baffle is smaller than that of the inner side of the filter box.
Preferably, the heat-insulating layer is made of carbon fiber.
The embodiment of the utility model provides a have following advantage:
the electronic belt scale can accurately measure the weight of the barium slag and the coal, ensure the proportion of the barium slag and the coal fed into the combustion chamber, and ensure that sulfur in the coal and barium carbonate in the barium slag are fully reacted as far as possible; in the combustion process, the blower continuously provides fresh air into the combustion chamber through the heat pipe type air heater, so that the combustion chamber is in an oxygen-enriched state, and barium carbonate and sulfur oxide are fully reacted; the induced draft fan continuously discharges gas generated by combustion into the filter box through the guide pipe, and after the gas passes through the filter liquid, the sulfur oxide and the filter liquid undergo a chemical reaction, so that the sulfur oxide is not discharged into the air, and air pollution is avoided; after one end of combustion time, a servo motor switch is turned on, the servo motor drives a slag plate to rotate, waste slag in a dead zone is thrown out into a slag collecting vehicle through a slag discharging door under the action of centripetal force, and smaller waste slag particles are absorbed by a dust collector; the waste residue can be as the raw and other materials of production cement, has carried out recycle to the waste residue, this use novel structure, and is practical convenient, easy operation.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.
Fig. 1 is a schematic structural diagram provided in embodiment 1 of the present invention;
FIG. 2 is a structural diagram of a slag removing pan provided in embodiment 1 of the present invention;
fig. 3 is a structural view of a heat cycle device and a filter device provided in embodiment 1 of the present invention;
fig. 4 is a structural view of a filtering apparatus according to embodiment 2 of the present invention.
In the figure: 1 boiler desulphurization unit body, 2 boiler unit, 3 deslagging unit, 4 thermal cycle unit, 5 filtering unit, 6 pressure release valve, 7, electronic belt scale, 8 dust collector, 21 heat preservation layer, 22 feed inlet, 23 slag outlet door, 24 support frame, 25 combustion chamber, 26 ash blocking net, 31 servo motor, 32 slag removing disc, 33 slag removing plate, 34 empty area, 35 slag receiving vehicle, 36 cone, 41 heat pipe type air heater, 42 heat pipe, 43 induced draft fan, 44 blower, 51 liquid inlet, 52 filtering box, 53 filtering liquid, 54 liquid outlet, 55 valve, 56 slide block, 57 chute, 58 filtering net, 59 gas outlet, 521 baffle.
Detailed Description
The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. 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 the attached drawings 1-3 of the specification, the fluidized bed boiler desulfurization device of the embodiment comprises a boiler device 2, a deslagging device 3, a thermal circulation device 4, a filtering device 5, a pressure release valve 6, an electronic belt scale 7 and a dust collector 8;
further, the boiler device 2 is located in the middle of the utility model and comprises a heat-insulating layer 21, a feeding hole 22, a slag discharging door 23, a supporting frame 24 and a combustion chamber 25, specifically, the heat-insulating layer 21 is arranged outside the combustion chamber 25, the feeding hole 22 is arranged above the combustion chamber 25, the slag discharging door 23 is arranged below the combustion chamber 25, the supporting frame 24 is fixedly connected below the combustion chamber 25, and an ash blocking net 26 is arranged on the inner wall of the left side of the combustion chamber 25; the heat insulation layer 21 is made of carbon fiber, so that the heat insulation effect is good, and the heat loss in the boiler device 2 can be effectively avoided; the slag outlet door 23 can discharge ash slag after coal combustion, and provides conditions for the use of the slag removing device 3; the support frame 24 can fix the servo motor 31 to prevent the servo motor 31 from shaking to influence the work of the deslagging device 3; the dust screen 26 prevents small particles of waste slag from the combustion from entering the filter unit 5.
Further, the deslagging device 3 is located at the bottom of the combustion chamber 25 and comprises a servo motor 31, a deslagging disc 32, deslagging plates 33, an empty area 34 and a slag collection vehicle 35, specifically, the servo motor 31 is fixedly connected with the deslagging disc 32 through a bearing, the deslagging plate 33 is fixedly connected with the outer wall of the deslagging disc 32, the empty area 34 is arranged between the two groups of deslagging plates 33, the slag collection vehicles 35 are arranged on two sides of the servo motor 31, and the slag collection vehicle 35 is located right below the slag outlet door 23; the servo motor 31 can provide power for the deslagging device 3; the slag removing plate 33 is used for forming a plurality of empty areas 34, and waste slag can be gathered in the empty areas 34; the slag removing disc 32 is used for rotating the slag and discharging the slag out of the combustion chamber 25 by utilizing centripetal force; the servo motor 31 is set to JSF 42-3-30-AS-1000.
Further, the thermal circulation device 4 is fixedly connected with the combustion chamber 25 through a conduit, and comprises a heat pipe type air heater 41, a heat pipe 42, an induced draft fan 43 and a blower 44, specifically, the heat pipe 42 is arranged inside the heat pipe type air heater 41, the upper part of the left side of the heat pipe type air heater 41 is fixedly connected with the blower 44 through the conduit, and the lower part of the left side of the heat pipe type air heater 41 is fixedly connected with the induced draft fan 43 and the heat pipe type air heater 41 and has the functions of enabling heat of hot gas exhausted from the combustion chamber 25 to enter the combustion chamber from the inside, avoiding heat; the blower 44 is used to continuously provide fresh air to the combustor to keep the combustor 25 in an oxygen rich condition to provide conditions for desulfurization.
Further, the filtering device 5 is fixedly connected with the thermal circulation device 4 and comprises a liquid inlet 51, a filtering box 52, a filtering liquid 53, a liquid outlet 54, a valve 55, an air inlet 50, an air outlet 59 and a baffle 521, the filtering device 5 is specifically provided with the liquid inlet 51 above, the right side of the filtering device 5 is provided with the air inlet 50, the left side of the filtering device 5 is provided with the air outlet 59, the right side of the bottom of the filtering device 5 is provided with the liquid outlet 54, the liquid outlet 54 is provided with the valve 55, the filtering liquid 53 is arranged inside the filtering box 52, the top inside of the filtering box 52 is fixedly connected with the baffle 521, the baffle 521 is fixedly connected with the inner walls of the front side, the rear side and the upper side of the filtering box 52, the height of the; the filtering liquid 53 is alkaline solution, and can react with sulfur dioxide discharged from the combustion chamber to prevent the sulfur dioxide from polluting the air, and the baffle 521 can ensure that the gas coming from the air inlet passes through the filtering liquid 53; the outlet 54 is provided to facilitate the discharge of the filtrate 53 for the injection of fresh filtrate 53 from the inlet 51.
Further, the pressure relief valve 6 is fixedly connected above the boiler device 2, so that the air pressure in the combustion chamber 25 can be ensured to be in a safe range, and the boiler device 2 is prevented from being damaged or exploding.
Furthermore, one end of the electronic belt scale 7 is positioned above the feeding hole 22, so that coal and barium carbonate can be accurately metered, and desulfurization is more thorough; the electronic belt scale 7 is set to BRT-500.
Further, the dust collector 8 is positioned at the left side of the feed port 22 and can absorb smaller-particle waste residues.
The implementation scenario is specifically as follows:
when the novel electronic belt scale is used, coal is placed on the electronic belt scale 7, the weight of the coal is recorded, the mass of barium slag needing to be added is calculated according to the weight of the coal, then the barium slag is placed on the electronic belt scale 7, the coal and the barium slag enter the combustion chamber 25 through the feeding hole 22, and barium carbonate in the barium slag reacts with sulfur dioxide generated by combustion of the coal to generate barium sulfate; in the combustion process, the blower 44 continuously provides fresh air into the combustion chamber 25 through the heat pipe type air heater 41, so as to ensure that the interior of the combustion chamber 25 is in an oxygen-enriched state; the induced draft fan 43 continuously discharges gas generated by combustion into the filter box 52 through a guide pipe, and after passing through the filter liquid 53, sulfur oxides and the filter liquid 53 undergo a chemical reaction, so that the sulfur oxides are not discharged into the air; after a period of combustion, the switch of the servo motor 31 is turned on, the servo motor 31 drives the slag plate 32 to rotate, the waste slag in the empty area 34 is thrown out into the slag collecting car 35 through the slag outlet door 23 under the action of centripetal force, and smaller waste slag particles are absorbed by the dust collector.
Example 2:
referring to the attached figure 4 of the specification, the difference from the embodiment 1 is that: the filtering device 5 comprises a filtering box 52, a filtering net 58 is arranged in the filtering box 52, sliding blocks 56 are arranged at two ends of the filtering net 58, a sliding groove 57 is formed in the inner wall of the combustion chamber, and the sliding blocks 56 are arranged in the sliding groove 57.
The implementation scenario is specifically as follows:
the hot gas in the combustion chamber 25 enters the filtering device 5, and the filtering net 58 filters the sulfur oxide in the hot gas to prevent the sulfur oxide from entering the atmosphere to pollute the air; when the filter screen 58 is replaced, the slider of the filter screen 58 is slid along the slide groove 57 to be separated from the filter box 52, and then slid into a new filter screen 52.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (9)
1. A fluidized bed boiler desulphurization device is characterized in that: the boiler desulfurization device comprises a boiler desulfurization device body (1), wherein the boiler desulfurization device body (1) comprises a boiler device (2), the left end of the boiler device (2) is fixedly connected with a thermal circulation device (4), the thermal circulation device (4) is fixedly connected with a filtering device (5), a deslagging device (3) is arranged at the bottom inside the boiler device (2), a pressure release valve (6) is arranged above the left side of the boiler device (2), an electronic belt scale (7) is arranged above the right side of the boiler device (2), and a dust collector (8) is arranged in the middle above the boiler device (2);
the boiler device (2) comprises a combustion chamber (25), a heat insulation layer (21) is arranged on the outer side of the combustion chamber (25), a feeding hole (22) is formed above the combustion chamber (25), a slag discharging door (23) is arranged below the combustion chamber (25), a support frame (24) is fixedly connected below the combustion chamber (25), and an ash blocking net (26) is arranged on the inner wall of the left side of the combustion chamber (25);
the slag removing device (3) comprises a servo motor (31), the servo motor (31) is fixedly connected with a slag removing disc (32) through a bearing, a cone (36) is fixedly connected above the slag removing disc (32), slag removing plates (33) are fixedly connected to the outer wall of the slag removing disc (32), an empty area (34) is arranged between the two groups of slag removing plates (33), and slag collecting vehicles (35) are arranged on two sides of the servo motor (31);
the heat circulation device (4) comprises a heat pipe type air heater (41), a heat pipe (42) is arranged in the heat pipe type air heater (41), the upper part of the left side of the heat pipe type air heater (41) is fixedly connected with an air blower (44) through a guide pipe, and a draught fan (43) is fixedly connected below the left side of the heat pipe type air heater (41);
filter equipment (5) includes rose box (52), filter equipment (5) top is equipped with inlet (51), filter equipment (5) right side is equipped with air inlet (50), filter equipment (5) left side is equipped with gas outlet (59), filter equipment (5) bottom right side is equipped with liquid outlet (54), be equipped with valve (55) on liquid outlet (54), rose box (52) inside is equipped with filtrate (53), rose box (52) inside top fixed connection baffle (521).
2. The desulfurization apparatus for a fluidized bed boiler according to claim 1, wherein: the filtering device (5) comprises a filtering box (52), a filtering net (58) is arranged inside the filtering box (52), sliding blocks (56) are arranged at two ends of the filtering net (58), a sliding groove (57) is formed in the inner wall of the combustion chamber, and the sliding blocks (56) are arranged in the sliding groove (57).
3. The desulfurization apparatus for a fluidized bed boiler according to claim 1, wherein: and the air inlet (50) of the filtering device (5) is fixedly connected with an induced draft fan (43) through a guide pipe.
4. The desulfurization apparatus for a fluidized bed boiler according to claim 1, wherein: the servo motor (31) is positioned below the combustion chamber (25), and the servo motor (31) is positioned in the support frame (24).
5. The desulfurization apparatus for a fluidized bed boiler according to claim 1, wherein: the left end of the electronic belt scale (7) is positioned right above the feed port (22).
6. The desulfurization apparatus for a fluidized bed boiler according to claim 1, wherein: the slag collection vehicle (35) is positioned right below the slag outlet door (23).
7. The desulfurization apparatus for a fluidized bed boiler according to claim 1, wherein: the filtering liquid (53) submerges the bottom of the baffle (521).
8. The desulfurization apparatus for a fluidized bed boiler according to claim 1, wherein: the baffle (521) is fixedly connected with the inner walls of the front side, the rear side and the upper side of the filter box (52), and the height of the baffle (521) is smaller than that of the inner side of the filter box (52).
9. The desulfurization apparatus for a fluidized bed boiler according to claim 1, wherein: the heat preservation layer (21) is made of carbon fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021202158.4U CN212657700U (en) | 2020-06-27 | 2020-06-27 | Fluidized bed boiler desulphurization unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021202158.4U CN212657700U (en) | 2020-06-27 | 2020-06-27 | Fluidized bed boiler desulphurization unit |
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| Publication Number | Publication Date |
|---|---|
| CN212657700U true CN212657700U (en) | 2021-03-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021202158.4U Active CN212657700U (en) | 2020-06-27 | 2020-06-27 | Fluidized bed boiler desulphurization unit |
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|---|---|
| CN (1) | CN212657700U (en) |
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2020
- 2020-06-27 CN CN202021202158.4U patent/CN212657700U/en active Active
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