CN216909570U - Upper air inlet control structure of waste heat boiler - Google Patents
Upper air inlet control structure of waste heat boiler Download PDFInfo
- Publication number
- CN216909570U CN216909570U CN202220452916.0U CN202220452916U CN216909570U CN 216909570 U CN216909570 U CN 216909570U CN 202220452916 U CN202220452916 U CN 202220452916U CN 216909570 U CN216909570 U CN 216909570U
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- Prior art keywords
- ring frame
- jar body
- waste heat
- control structure
- heat boiler
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- 239000002918 waste heat Substances 0.000 title claims abstract description 24
- 239000004744 fabric Substances 0.000 claims abstract description 30
- 230000008021 deposition Effects 0.000 claims abstract description 15
- 238000011010 flushing procedure Methods 0.000 claims abstract description 14
- 238000009434 installation Methods 0.000 claims abstract description 9
- 230000000694 effects Effects 0.000 claims abstract description 7
- 238000003466 welding Methods 0.000 claims abstract description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 27
- 239000003546 flue gas Substances 0.000 abstract description 27
- 239000012535 impurity Substances 0.000 abstract description 17
- 239000002245 particle Substances 0.000 abstract description 11
- 238000001914 filtration Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000011084 recovery Methods 0.000 description 6
- 230000005484 gravity Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000000428 dust Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Images
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
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- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model relates to the technical field of waste heat utilization, in particular to an upper air inlet control structure of a waste heat boiler. The technical scheme comprises the following steps: ring frame, jar body and air-out piece, the taper mouth has been seted up to the bottom of the jar body, the deposition fill is installed to the screw thread on the taper mouth, the last skin weld of the jar body has the ring flange, the activity is pegged graft on the ring flange and is had the installation nail, the ring frame passes through the bolt fastening at the inner wall of the jar body, the filter cloth is installed through the bolt in the intermediate position department of ring frame, the outer wall symmetric welding of air-out piece has the mounting bracket, the mounting bracket passes through the bolt fastening on the ring frame, the nozzle is installed to the lower surface equidistance of air-out piece, the last fixed surface of air-out piece has the recoil pipe, the other end of recoil pipe runs through ring frame, jar body respectively. According to the utility model, through the matching of the structures, particle impurities in high-temperature flue gas can be removed conveniently, the filter cloth can be cleaned by back flushing conveniently, the filtering efficiency is improved, and the use requirements of personnel are met.
Description
Technical Field
The utility model relates to the technical field of waste heat utilization, in particular to an upper air inlet control structure of a waste heat boiler.
Background
In recent years, with the development of energy conservation and emission reduction work, most of high-energy-consumption industrial enterprises are matched with and build waste heat recovery systems, however, due to the limitation of the technology at the present stage, the existing waste heat recovery systems only passively recover energy discharged by a production system and are not tightly combined with the production system, in practical application, most of production systems consume a large amount of high-quality energy in the production process, but the production system has low requirements on the quality of the energy, the discharged energy is often low in quality and difficult to utilize, and the reason for the situation is that the cement production system is not effectively combined with the waste heat recovery system.
Through retrieval, publication No. CN111649310A discloses a waste heat boiler and a high-efficiency recovery power generation system using the same, wherein the waste heat boiler comprises a preheating boiler furnace, the upper part of the preheating boiler furnace is provided with a high-temperature flue gas inlet, and a superheater, an evaporator and an economizer are sequentially arranged in the preheating boiler furnace from top to bottom; a reheater is arranged in parallel with the superheater; the boiler water supply is connected with an economizer, a header on the economizer is connected with a steam pocket, the boiler water supply enters the economizer for heating, and the boiler water supply is pumped into the steam pocket from a water inlet pipe through the header on the economizer.
In the process of utilizing the waste heat of the boiler, the heat in the high-temperature flue gas is often recovered, and the flue gas is not treated in the emission process until the waste heat of the high-temperature flue gas is recovered, so that the recovery structure is often seriously damaged by particle impurities contained in the flue gas, the recovery efficiency is reduced, and the use requirement of personnel can not be met.
Therefore, an upper air inlet control structure of the waste heat boiler is provided to solve the existing problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an upper air inlet control structure of a waste heat boiler aiming at the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an air inlet control structure on exhaust-heat boiler, includes ring frame, jar body and air-out piece, the taper mouth has been seted up to the bottom of the jar body, the deposition fill is installed to the screw thread on the taper mouth, the last surface welding of the jar body has the ring flange, the activity is pegged graft on the ring flange and is had the installation nail, the ring frame passes through the inner wall of bolt fastening at the jar body, the intermediate position department of ring frame installs the filter cloth through the bolt, the outer wall symmetric welding of air-out piece has the mounting bracket, the mounting bracket passes through the bolt fastening on the ring frame, the nozzle is installed to the lower surface equidistance of air-out piece, the last fixed surface of air-out piece has the recoil pipe, the other end of recoil pipe runs through ring frame, jar body respectively.
Untreated high-temperature flue gas enters the tank body through the air inlet pipe to move upwards and pass through the filter cloth, and under the filtering action of the filter cloth, particle impurities in the flue gas are intercepted on the lower surface of the filter cloth, the filtered flue gas is discharged from the upper end of the tank body, the impurities intercepted by the filter cloth fall under the action of gravity, and move into the dust hopper through the cone opening of the tank body.
Preferably, an ash discharge pipe is arranged at the opening position of the lower surface of the ash deposition bucket, a valve is arranged on the ash discharge pipe, and a worker can open the valve of the ash discharge pipe on the ash deposition bucket regularly to clean particle impurities in the ash deposition bucket.
Preferably, the tank body is provided with an air inlet pipe, the air inlet pipe is positioned below the backflushing pipe and above the cone opening, and untreated high-temperature flue gas enters the tank body through the air inlet pipe.
Preferably, the ring frame and the tank body are both provided with through holes matched with the back flushing pipe, the back flushing pipe is movably inserted into the through holes, and the back flushing pipe is convenient to mount through the design of the through holes.
Preferably, the rubber ring is arranged at the contact position of the outer wall of the ring frame and the inner wall of the tank body, the air outlet block is positioned right above the filter cloth, and the sealing effect of the joint of the ring frame and the tank body is ensured through the design of the rubber ring.
Preferably, the number of the installation nails is four, the four installation nails are distributed on the flange in an annular array, and the device can be fixed on the flue gas transportation pipeline through the installation nails.
Compared with the prior art, the utility model has the following beneficial effects:
1. when the air inlet control structure on the waste heat boiler is used, the device can be fixed on a flue gas conveying pipeline through the mounting nails, untreated high-temperature flue gas enters the tank body through the air inlet pipe and moves upwards through the filter cloth, particle impurities in the flue gas are intercepted on the lower surface of the filter cloth under the filtering action of the filter cloth, the filtered flue gas is discharged from the upper end of the tank body, the impurities intercepted by the filter cloth fall under the action of gravity and move into the ash bucket through the cone opening of the tank body, a worker can regularly open the valve of the ash discharge pipe on the ash bucket to clean the particle impurities in the ash bucket, the air inlet pipe can be disconnected when needed, and then the air inlet control structure is connected with an external high-pressure air source through the recoil pipe, so that high-speed air flow is sprayed out through the nozzles, and passes through the shunting effect of a plurality of nozzles, so that the air can comprehensively blow and recoil on the filter cloth, the utility model is convenient for removing particle impurities in high-temperature flue gas, is convenient for back flushing and cleaning the filter cloth, improves the filtering efficiency and meets the use requirements of personnel.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a side view of the present invention;
FIG. 3 is a schematic top view of the present invention;
fig. 4 is an enlarged schematic view of fig. 1 according to the present invention.
Reference numerals: 1. an ash discharge pipe; 2. a conical opening; 3. an air inlet pipe; 4. a ring frame; 5. back flushing the pipe; 6. a flange plate; 7. installing a nail; 8. a tank body; 9. a mounting frame; 10. filtering cloth; 11. an ash accumulation hopper; 12. a nozzle; 13. and (4) an air outlet block.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be configured in a specific orientation, and operate, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example one
As shown in fig. 1-4, the upper air inlet control structure of the waste heat boiler provided by the utility model comprises a ring frame 4, a tank body 8 and an air outlet block 13, wherein a cone opening 2 is formed at the bottom end of the tank body 8, an ash deposition hopper 11 is installed on the cone opening 2 in a threaded manner, a flange plate 6 is welded on the upper surface of the tank body 8, an installation nail 7 is movably inserted on the flange plate 6, the ring frame 4 is fixed on the inner wall of the tank body 8 through a bolt, a filter cloth 10 is installed at the middle position of the ring frame 4 through a bolt, installation frames 9 are symmetrically welded on the outer wall of the air outlet block 13, the installation frames 9 are fixed on the ring frame 4 through bolts, nozzles 12 are equidistantly installed on the lower surface of the air outlet block 13, a back flushing pipe 5 is fixed on the upper surface of the air outlet block 13, and the other end of the back flushing pipe 5 penetrates through the ring frame 4 and the tank body 8 respectively.
The working principle based on the embodiment 1 is as follows: untreated high-temperature flue gas enters the tank body 8 through the air inlet pipe 3 and moves upwards through the filter cloth 10, particle impurities in the flue gas are intercepted on the lower surface of the filter cloth 10 under the filtering action of the filter cloth 10, the filtered flue gas is discharged from the upper end of the tank body 8, the impurities intercepted by the filter cloth 10 fall under the action of gravity, the flue gas moves into the dust hopper 11 through the cone opening 2 of the tank body 8, the air inlet pipe 3 can be disconnected when needed, and then the flue gas is connected with an external high-pressure air source through the recoil pipe 5, so that high-speed air flow is sprayed out through the nozzle 12, and the impurities attached to the surface of the filter cloth 10 are blown off.
Example two
As shown in fig. 1 to 4, compared with the first embodiment, the upper air inlet control structure of a waste heat boiler provided by the present invention further includes: an ash discharge pipe 1 is arranged at the opening position of the lower surface of the ash deposition bucket 11, a valve is arranged on the ash discharge pipe 1, and a worker can open the valve of the ash discharge pipe 1 on the ash deposition bucket 11 periodically to clean particle impurities in the ash deposition bucket 11.
An air inlet pipe 3 is arranged on the tank body 8, the air inlet pipe 3 is positioned below the backflushing pipe 5, the air inlet pipe 3 is positioned above the cone opening 2, and untreated high-temperature flue gas enters the tank body 8 through the air inlet pipe 3.
The ring frame 4 and the tank body 8 are both provided with a through hole matched with the back flushing pipe 5, the back flushing pipe 5 is movably inserted into the through hole, and the back flushing pipe 5 is convenient to mount through the design of the through hole.
The rubber ring is arranged at the contact position of the outer wall of the ring frame 4 and the inner wall of the tank body 8, the air outlet block 13 is positioned right above the filter cloth 10, and the airtight effect at the joint of the ring frame 4 and the tank body 8 is ensured through the design of the rubber ring.
The number of the mounting nails 7 is four, the four mounting nails 7 are distributed on the flange plate 6 in an annular array, and the device can be fixed on a flue gas conveying pipeline through the mounting nails 7.
In the present example.
The above embodiments are merely some preferred embodiments of the present invention, and those skilled in the art can make various alternative modifications and combinations of the above embodiments based on the technical solution of the present invention and the related teaching of the above embodiments.
The working principle is as follows: when the waste heat boiler upper air inlet control structure is used, the device can be fixed on a flue gas conveying pipeline through the mounting nails 7, untreated high-temperature flue gas enters the tank body 8 through the air inlet pipe 3 and moves upwards through the filter cloth 10, particle impurities in the flue gas are intercepted on the lower surface of the filter cloth 10 under the filtering action of the filter cloth 10, the filtered flue gas is discharged from the upper end of the tank body 8, the impurities intercepted by the filter cloth 10 fall under the action of gravity and move into the ash deposition bucket 11 through the cone opening 2 of the tank body 8, a worker can regularly open the valve of the ash deposition pipe 1 on the ash deposition bucket 11 to clean the particle impurities in the ash deposition bucket 11, the air inlet pipe 3 can be disconnected when needed, and then the back flushing pipe 5 is connected with an external high-pressure air source, so that high-speed air flow is sprayed out through the nozzles 12, and the high-speed air flow passes through the shunting effect of the plurality of nozzles 12, so that the filter cloth 10 can be fully blown and backflushed, thereby blowing off impurities attached to the surface of the filter cloth 10.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides an last air inlet control structure of exhaust-heat boiler, includes ring frame (4), jar body (8) and air-out piece (13), its characterized in that: the utility model discloses a wind-out device, including jar body (8), cone (2) have been seted up to the bottom of the jar body (8), the deposition fill (11) are installed to the screw thread on cone (2), the last surface welding of the jar body (8) has ring flange (6), the activity is pegged graft on ring flange (6) has installation nail (7), ring frame (4) pass through the bolt fastening at the inner wall of the jar body (8), filter cloth (10) are installed through the bolt in the intermediate position department of ring frame (4), the outer wall symmetric welding of play wind piece (13) has mounting bracket (9), mounting bracket (9) pass through the bolt fastening on ring frame (4), nozzle (12) are installed to the lower surface equidistance of play wind piece (13), the last fixed surface of play wind piece (13) has recoil pipe (5), the other end of recoil pipe (5) runs through ring frame (4), jar body (8) respectively.
2. The upper air intake control structure of the waste heat boiler according to claim 1, characterized in that: an ash discharge pipe (1) is arranged at the opening position of the lower surface of the ash deposition hopper (11), and a valve is arranged on the ash discharge pipe (1).
3. The upper air intake control structure of the waste heat boiler as set forth in claim 1, wherein: the air inlet pipe (3) is installed on the tank body (8), the air inlet pipe (3) is located below the backflushing pipe (5), and the air inlet pipe (3) is located above the conical opening (2).
4. The upper air intake control structure of the waste heat boiler as set forth in claim 1, wherein: the ring frame (4) and the tank body (8) are both provided with through holes matched with the back flushing pipe (5), and the back flushing pipe (5) is movably inserted into the through holes.
5. The upper air intake control structure of the waste heat boiler as set forth in claim 1, wherein: the contact position of the outer wall of the ring frame (4) and the inner wall of the tank body (8) is provided with a rubber ring, and the air outlet block (13) is positioned right above the filter cloth (10).
6. The upper air intake control structure of the waste heat boiler as set forth in claim 1, wherein: the number of the mounting nails (7) is four, and the positions of the four mounting nails (7) are distributed on the flange plate (6) in an annular array.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220452916.0U CN216909570U (en) | 2022-03-02 | 2022-03-02 | Upper air inlet control structure of waste heat boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220452916.0U CN216909570U (en) | 2022-03-02 | 2022-03-02 | Upper air inlet control structure of waste heat boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216909570U true CN216909570U (en) | 2022-07-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220452916.0U Active CN216909570U (en) | 2022-03-02 | 2022-03-02 | Upper air inlet control structure of waste heat boiler |
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| Country | Link |
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| CN (1) | CN216909570U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12196455B1 (en) | 2024-05-30 | 2025-01-14 | King Saud University | Thermal energy storage bin for a high temperature, particle-based solar power plant |
-
2022
- 2022-03-02 CN CN202220452916.0U patent/CN216909570U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12196455B1 (en) | 2024-05-30 | 2025-01-14 | King Saud University | Thermal energy storage bin for a high temperature, particle-based solar power plant |
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