CN215411949U - Energy-saving device of papermaking coal-fired boiler - Google Patents
Energy-saving device of papermaking coal-fired boiler Download PDFInfo
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- CN215411949U CN215411949U CN202120640763.8U CN202120640763U CN215411949U CN 215411949 U CN215411949 U CN 215411949U CN 202120640763 U CN202120640763 U CN 202120640763U CN 215411949 U CN215411949 U CN 215411949U
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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
- Y02E20/30—Technologies for a more efficient combustion or heat usage
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Abstract
The utility model discloses an energy-saving device of a papermaking coal-fired boiler, which comprises a communicating pipe, an energy-saving boiler and a suction fan, wherein an isolation cylinder is arranged in the energy-saving boiler, a first filter ring is sleeved outside the isolation cylinder, an activated carbon absorber and an electrostatic dust collector are sequentially arranged in a left isolation chamber, a first ultraviolet sterilizing lamp, a second ultraviolet sterilizing lamp and an arc-shaped photocatalytic plate are arranged, a spiral heat exchange pipe is arranged in the isolation cylinder, the other end of the spiral heat exchange pipe is connected with a straight-through heat exchange pipe, the output of the straight-through heat exchange pipe sequentially penetrates through the isolation cylinder and the right side of the energy-saving boiler, and a cooling medium inlet pipe and a heat medium outlet pipe which extend into the isolation cylinder are also connected to the energy-saving boiler. The tail gas of the papermaking coal-fired boiler is environmentally-friendly to process while the waste heat of the waste gas of the papermaking coal-fired boiler is recycled, and finally the standard gas is discharged. Overall structure overall arrangement is smaller and more exquisite, and the installation is more convenient, is applicable in most papermaking coal fired boiler.
Description
Technical Field
The utility model relates to the technical field of energy conservation and environmental protection, in particular to an energy-saving device of a papermaking coal-fired boiler.
Background
The traditional paper making industry is a large energy consumption household, the main energy consumed by the paper making industry is steam, the existing paper making coal-fired boiler is mostly a coal-fired boiler, so the coal-fired boiler is very popular, the coal fuel cost is low, the operation cost is low, and particularly in areas with rich coal resources, the coal-fired boiler is more cost-effective to use, but the dust emission concentration is large, the sulfur content of coal is high, and the air pollution is serious; some energy-saving devices aiming at the papermaking coal-fired boiler are also available on the market, the combustion utilization rate of the coal-fired boiler is improved, the emission pollution of the coal-fired boiler is reduced, and the purposes of energy conservation and the like are achieved.
SUMMERY OF THE UTILITY MODEL
In view of the above problems, the utility model aims to provide an energy-saving device which is small in size, simple in structure, can recycle waste heat of waste gas of a coal-fired boiler for papermaking and can realize environment-friendly treatment of tail gas.
In order to achieve the purpose, the utility model provides the following technical scheme: an energy-saving device of a papermaking coal-fired boiler comprises a communicating pipe and an energy-saving boiler which are mutually communicated, wherein a suction fan is arranged on the communicating pipe, an isolating cylinder body which isolates the energy-saving boiler into an inner layer and an outer layer is arranged in the energy-saving boiler, a first filtering ring is sleeved outside the isolating cylinder body, the outer layer of the energy-saving boiler is isolated into a left isolating chamber and a right isolating chamber by the first filtering ring, the communicating pipe is communicated with the left isolating chamber and is positioned at the left side of the energy-saving boiler, an activated carbon absorber and an electrostatic dust collector are sequentially arranged in the left isolating chamber, a first ultraviolet sterilizing lamp which is arranged in an arc shape is arranged above and below the inner wall of the right isolating chamber, a second ultraviolet sterilizing lamp which is arranged in an arc shape is arranged above and below the outer wall at the right side of the isolating cylinder body, and an arc-shaped photocatalysis plate which extends along the length direction of the energy-saving boiler is arranged between the first ultraviolet sterilizing lamp and the second ultraviolet sterilizing lamp, the energy-saving boiler is characterized in that a spiral heat exchange tube is arranged in the isolation cylinder, one input end of the spiral heat exchange tube extends into the right isolation chamber and is connected with an air pump, the other end of the spiral heat exchange tube is connected with a straight-through heat exchange tube, the output of the straight-through heat exchange tube sequentially penetrates through the isolation cylinder and the right side of the energy-saving boiler, a cooling medium inlet tube and a heating medium outlet tube which extend into the isolation cylinder are further connected onto the energy-saving boiler, a connecting flange plate is further arranged on the communicating tube, and more than one adjusting screw rod which penetrates through the connecting flange plate is annularly distributed on the connecting flange plate.
Further, the outer walls of the spiral heat exchange tubes and the straight-through heat exchange tubes are coated with an antifouling layer.
Furthermore, a partition board for partitioning the isolation cylinder into an upper area and a lower area is arranged in the isolation cylinder, the spiral heat exchange tube is positioned on the upper layer of the isolation cylinder, the straight-through heat exchange tube is positioned on the lower layer of the isolation cylinder, a liquid distribution tube communicated with the lower layer of the isolation cylinder is arranged on the cooling medium inlet tube, and a vent hole is formed in the partition board.
Further, in order to avoid damaging, be provided with the installation through-hole in the flange plate, be provided with the silica gel layer in the installation through-hole, adjusting screw runs through the installation through-hole.
Further, for convenient later stage change active carbon, improve the filter effect, the active carbon adsorber includes linking bridge and the sealed apron that is located the linking bridge top, and it has the active carbon strip to peg graft in the linking bridge, is provided with the linking bridge male slot of being convenient for in energy-conserving boiler top.
Furthermore, in order to improve the sealing performance, a sealing strip matched with the slot is arranged below the sealing cover plate.
Furthermore, in order to improve the later cooling effect, a primary heat exchange sleeve is sleeved outside the communicating pipe, and a cold liquid inlet and a hot liquid outlet are arranged on the primary heat exchange sleeve.
The utility model has the beneficial effects that: the tail gas of the papermaking coal-fired boiler is environmentally-friendly to process while the waste heat of the waste gas of the papermaking coal-fired boiler is recycled, and finally the standard gas is discharged. When realizing papermaking coal fired boiler energy-conservation, realize tail gas treatment, whole structure adopts a barrel internal part to cut the setting for overall structure overall arrangement is smaller and more exquisite, and it is more convenient to install, applicable in most papermaking coal fired boiler.
Drawings
FIG. 1 is a schematic structural diagram of an energy-saving device of a coal-fired boiler for paper making in the embodiment 1;
fig. 2 is a schematic front view of the connecting flange in the embodiment 1;
FIG. 3 is a front cross-sectional view of the energy saving boiler and the isolation cylinder, the first filter ring, the first UV germicidal lamp, the second UV germicidal lamp, and the arc-shaped photocatalytic plate of the embodiment 1;
FIG. 4 is a schematic sectional view of a straight-through heat exchange tube of this example 1;
fig. 5 is a schematic front view of the connecting flange in the embodiment 2;
FIG. 6 is a schematic structural diagram of an energy-saving device of a coal-fired boiler for paper making in the embodiment 3;
FIG. 7 is an enlarged view taken at A of FIG. 6;
FIG. 8 is a schematic front view of the activated carbon adsorber of example 3;
fig. 9 is a schematic structural diagram of an energy-saving device of a coal-fired boiler for paper making in the embodiment 4.
In the figure: the device comprises a communicating pipe 1, an energy-saving boiler 2, a suction fan 3, an isolation cylinder 4, a first filter ring 5, a left isolation chamber 6, a right isolation chamber 7, an activated carbon adsorber 8, an electrostatic dust collector 9, a first ultraviolet germicidal lamp 10, a second ultraviolet germicidal lamp 11, an arc-shaped photocatalytic plate 12, a spiral heat exchange pipe 13, a straight-through heat exchange pipe 14, a cooling medium inlet pipe 15, a heat medium outlet pipe 16, a connecting flange disc 17, an adjusting screw 18, an antifouling layer 19, an isolation plate 20, a liquid distribution pipe 21, an installation through hole 22, a silica gel layer 23, a connecting support 24, a sealing cover plate 25, an activated carbon strip 26, a slot 27, a sealing strip 28, a primary heat exchange sleeve 29, a cold liquid inlet 30, a hot liquid outlet 31, a vent hole 32 and an air pump 33.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example 1:
referring to fig. 1-4, the energy-saving device for a coal-fired boiler for papermaking disclosed in this embodiment includes a communicating pipe 1 and an energy-saving boiler 2 which are communicated with each other, and a suction fan 3 is disposed on the communicating pipe 1.
Be provided with in energy-saving boiler 2 and keep apart into inside and outside two-layer isolation barrel 4 with energy-saving boiler 2, keep apart barrel 4 overcoat and have first filter ring 5, first filter ring 5 keeps apart into the left side with energy-saving boiler 2 skin and keeps apart cavity 6 and right side isolation cavity 7, communicating pipe 1 keeps apart cavity 6 intercommunication and is located energy-saving boiler 2's left side with a left side, has set gradually active carbon adsorber 8 and electrostatic precipitator 9 in keeping apart cavity 6 on a left side, all is provided with the first ultraviolet germicidal lamp 10 of an arc setting about keeping apart cavity 7 inner wall on the right side, all is provided with the second ultraviolet germicidal lamp 11 of an arc setting about keeping apart barrel 4's right side outer wall, is provided with arc photocatalysis board 12 that extends along energy-saving boiler 2 length direction between first ultraviolet germicidal lamp 10 and second ultraviolet germicidal lamp 11.
The energy-saving boiler is characterized in that a spiral heat exchange tube 13 is arranged in the isolation cylinder 4, one input end of the spiral heat exchange tube 13 extends into the right isolation chamber 7 and is connected with an air pump 33, the other end of the spiral heat exchange tube 13 is connected with a straight-through heat exchange tube 14, the output of the straight-through heat exchange tube 14 sequentially penetrates through the isolation cylinder 4 and the right side of the energy-saving boiler 2, and the components adopting electric power are connected with an external power supply through electric wires.
The energy-saving boiler 2 is also connected with a cooling medium inlet pipe 15 and a heat medium outlet pipe 16 which extend into the isolation cylinder 4.
The communicating pipe 1 is also provided with a connecting flange 17, and more than one adjusting screw 18 which penetrates through the connecting flange 17 is annularly distributed on the connecting flange 17.
The outer walls of the spiral heat exchange tubes 13 and the straight-through heat exchange tubes 14 are coated with antifouling layers 19, partition plates 20 for partitioning the isolation cylinder 4 into upper and lower areas are arranged in the isolation cylinder 4, the spiral heat exchange tubes 13 are located on the upper layer of the isolation cylinder 4, the straight-through heat exchange tubes 14 are located on the lower layer of the isolation cylinder 4, liquid distribution tubes 21 communicated with the lower layer of the isolation cylinder 4 are arranged on the cooling medium inlet tubes 15, and vent holes 32 are formed in the partition plates 20.
During installation, the peripheral adjusting screws 18 are firstly unscrewed, then the connecting flange 17 is sleeved on the corresponding air outlet pipeline of the papermaking coal-fired boiler, then the adjusting screws 18 are screwed to fix the whole equipment, during operation, the suction fan 3 is started to absorb waste gas generated by the papermaking coal-fired boiler, the waste gas enters the energy-saving boiler 2, the hot air is primarily treated by the activated carbon absorber 8 and the electrostatic dust collector 9, after filtration, secondary filtration is carried out by the first filter ring 5, then the first ultraviolet germicidal lamp 10 and the second ultraviolet germicidal lamp 11 in the right isolation chamber 7 and the arc-shaped photocatalytic plate 12 between the ultraviolet germicidal lamps and the ultraviolet germicidal lamp are used for removing most harmful organic waste gas, then the waste gas is sent into the spiral heat exchange tube 13 in the isolation cylinder 4 by the air suction pump 33, and heat exchange cooling media such as liquid or gas are introduced through the cooling medium inlet tube 15 and carry out heat exchange with the spiral heat exchange tube 13, and the direct heat exchange tubes 14 are used for secondary heat exchange, so that the heat exchange effect is further improved, and finally, the standard gas is discharged.
The whole structure adopts the internal part of a barrel to cut the setting for overall structure overall arrangement is smaller and more exquisite, and it is more convenient to install, only need install energy-conserving boiler 2 side communicating pipe 1 can, applicable in most papermaking coal fired boiler.
Example 2:
referring to fig. 5, the energy saving device for a papermaking coal-fired boiler disclosed in this embodiment further includes, in order to avoid damage, an installation through hole 22 is provided in the connecting flange 17, a silica gel layer 23 is provided in the installation through hole 22, the adjusting screw 18 penetrates through the installation through hole 22, and the silica gel layer 23 is provided to avoid damage to the outer shell of the installation pipe during installation.
Example 3:
referring to fig. 6-8, in the energy saving device for a coal-fired boiler for papermaking disclosed in this embodiment, further, in order to facilitate later-stage replacement of activated carbon and improve the filtering effect, the activated carbon adsorber 8 includes a connecting bracket 24 and a sealing cover plate 25 located above the connecting bracket 24, an activated carbon strip 26 is inserted in the connecting bracket 24, and a slot 27 is provided above the energy-saving boiler 2, and is convenient for the connecting bracket 24 to be inserted.
Further, in order to improve the sealing performance, a sealing strip 28 matched with the slot 27 is arranged below the sealing cover plate 25, and the activated carbon strip 26 is convenient to take down for replacement at the later stage through the structure; the electrostatic dust collector 9 can also adopt the structure to realize replacement or maintenance
Example 4:
referring to fig. 9, in the energy saving device for a coal-fired boiler for papermaking disclosed in this embodiment, further, in order to improve the heat exchange effect, a primary heat exchange sleeve 29 is sleeved outside the communication pipe 1, a cold liquid inlet 30 and a hot liquid outlet 31 are provided on the primary heat exchange sleeve 29, and the primary heat exchange is performed on the entering gas by the primary heat exchange sleeve 29, so as to improve the heat exchange efficiency.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (7)
1. The utility model provides a papermaking coal fired boiler economizer which characterized in that: the energy-saving boiler comprises a communicating pipe (1) and an energy-saving boiler (2) which are communicated with each other, wherein a suction fan (3) is arranged on the communicating pipe (1), an isolating cylinder body (4) which isolates the energy-saving boiler (2) into an inner layer and an outer layer is arranged in the energy-saving boiler (2), a first filter ring (5) is sleeved outside the isolating cylinder body (4), the outer layer of the energy-saving boiler (2) is isolated into a left isolating chamber (6) and a right isolating chamber (7) by the first filter ring (5), the communicating pipe (1) is communicated with the left isolating chamber (6) and is positioned on the left side of the energy-saving boiler (2), an activated carbon absorber (8) and an electrostatic dust collector (9) are sequentially arranged in the left isolating chamber (6), a first ultraviolet sterilizing lamp (10) which is arranged in an arc shape is arranged above and below the inner wall of the right isolating chamber (7), and a second ultraviolet sterilizing lamp (11) which is arranged in an arc shape is arranged above and below the outer wall of the right side of the isolating cylinder body (4), an arc-shaped photocatalysis plate (12) extending along the length direction of the energy-saving boiler (2) is arranged between the first ultraviolet germicidal lamp (10) and the second ultraviolet germicidal lamp (11), a spiral heat exchange tube (13) is arranged in the isolation cylinder body (4), one input end of the spiral heat exchange tube (13) extends into the right isolation chamber (7) and is connected with an air suction pump (33), the other end of the spiral heat exchange tube (13) is connected with a straight-through heat exchange tube (14), the output of the straight-through heat exchange tube (14) sequentially penetrates through the isolation cylinder (4) and the right side of the energy-saving boiler (2), a cooling medium inlet pipe (15) and a heat medium outlet pipe (16) which extend into the isolation cylinder body (4) are also connected on the energy-saving boiler (2), the communicating pipe (1) is also provided with a connecting flange plate (17), and more than one adjusting screw (18) which penetrates through the connecting flange plate (17) is annularly distributed on the connecting flange plate (17).
2. The papermaking coal-fired boiler energy-saving device according to claim 1, characterized in that: the outer walls of the spiral heat exchange tubes (13) and the straight-through heat exchange tubes (14) are coated with an antifouling layer (19).
3. The papermaking coal-fired boiler energy-saving device according to claim 1, characterized in that: the spiral heat exchange tube type heat exchanger is characterized in that a partition plate (20) which partitions the isolation cylinder body (4) into an upper region and a lower region is arranged in the isolation cylinder body (4), the spiral heat exchange tube (13) is located on the upper layer of the isolation cylinder body (4), the straight-through heat exchange tube (14) is located on the lower layer of the isolation cylinder body (4), a liquid separating tube (21) communicated with the lower layer of the isolation cylinder body (4) is arranged on the cooling medium inlet tube (15), and a vent hole (32) is formed in the partition plate (20).
4. The papermaking coal-fired boiler energy-saving device according to claim 1, characterized in that: the connecting flange plate is characterized in that a mounting through hole (22) is formed in the connecting flange plate (17), a silica gel layer (23) is arranged in the mounting through hole (22), and the adjusting screw rod (18) penetrates through the mounting through hole (22).
5. The papermaking coal-fired boiler energy-saving device according to claim 1, characterized in that: the activated carbon adsorber (8) comprises a connecting support (24) and a sealing cover plate (25) positioned above the connecting support (24), an activated carbon strip (26) is inserted in the connecting support (24), and an inserting groove (27) convenient for the connecting support (24) to be inserted is arranged above the energy-saving boiler (2).
6. The papermaking coal-fired boiler energy-saving device according to claim 5, characterized in that: and a sealing strip (28) matched with the slot (27) is arranged below the sealing cover plate (25).
7. The papermaking coal-fired boiler energy-saving device according to claim 1, characterized in that: a primary heat exchange sleeve (29) is sleeved on the outer side of the communicating pipe (1), and a cold liquid inlet (30) and a hot liquid outlet (31) are arranged on the primary heat exchange sleeve (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120640763.8U CN215411949U (en) | 2021-03-30 | 2021-03-30 | Energy-saving device of papermaking coal-fired boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120640763.8U CN215411949U (en) | 2021-03-30 | 2021-03-30 | Energy-saving device of papermaking coal-fired boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215411949U true CN215411949U (en) | 2022-01-04 |
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ID=79669642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120640763.8U Active CN215411949U (en) | 2021-03-30 | 2021-03-30 | Energy-saving device of papermaking coal-fired boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215411949U (en) |
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2021
- 2021-03-30 CN CN202120640763.8U patent/CN215411949U/en active Active
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