CN215570419U - Flue system for circulating vulcanization bed furnace - Google Patents
Flue system for circulating vulcanization bed furnace Download PDFInfo
- Publication number
- CN215570419U CN215570419U CN202122061467.5U CN202122061467U CN215570419U CN 215570419 U CN215570419 U CN 215570419U CN 202122061467 U CN202122061467 U CN 202122061467U CN 215570419 U CN215570419 U CN 215570419U
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- Prior art keywords
- flue
- vertical
- cooling water
- water cooler
- pipe
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- 238000004073 vulcanization Methods 0.000 title claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 56
- 239000000428 dust Substances 0.000 claims abstract description 30
- 239000000498 cooling water Substances 0.000 claims description 38
- 239000000779 smoke Substances 0.000 claims description 17
- 238000005453 pelletization Methods 0.000 claims description 6
- 239000002893 slag Substances 0.000 claims description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 25
- 239000003546 flue gas Substances 0.000 abstract description 25
- 239000000463 material Substances 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 238000009825 accumulation Methods 0.000 abstract 1
- 238000001816 cooling Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 241000208125 Nicotiana Species 0.000 description 2
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model relates to a flue system for a circulating vulcanizing bed furnace, which comprises a transverse flue connected with a flue gas outlet of the vulcanizing bed furnace and a dust removal system, wherein the bottom of the transverse flue is fixedly connected with a material return bin, a vertical flue is arranged between the transverse flue and the dust removal system, a first water cooler and a second water cooler are installed in the vertical flue, the side surface of the lower end of the vertical flue is provided with an air outlet communicated with an air inlet of the dust removal system, the bottom of the vertical flue is provided with a first blanking pipe, the lower end of the first blanking pipe is connected with a spiral feeder, and the shell of the spiral feeder is also connected with a second blanking pipe communicated with a discharge valve. According to the utility model, the vertical flue, the first water cooler and the second water cooler are arranged, so that the flue gas is cooled in two stages in the downward flowing process, the utilization rate of the heat of the flue gas is improved, and the accumulation of dust in a pipeline is avoided; through setting up the feed screw, will return the interior sedimentary dust of feed back storehouse and vertical flue and carry back the furnace body.
Description
Technical Field
The utility model relates to the technical field of a flue of a vulcanizing bed furnace, in particular to a flue system for a circulating vulcanizing bed furnace.
Background
The circulation vulcanization bed furnace can produce a large amount of high temperature flue gas in process of production, if directly with smoke discharge, can cause the pollution to the environment, consequently set up dust pelletizing system in the exhaust fume system of vulcanization bed furnace usually, but because the flue gas has higher temperature, can cause the damage to the dust removal sack to cause a large amount of heat waste. And because the furnace body exhaust port is directly connected with the dust removal system through a transverse pipeline, dust in the pipeline is not easy to clear, and the exhaust pipe is easy to block, thereby affecting the exhaust effect.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides the flue system for the circulating fluidized bed furnace, the existing flue of the equipment site is improved, the traditional thought is broken, and the vertical flue is arranged in the flue system, so that the blockage of a smoke exhaust pipeline is avoided.
The utility model is realized by the following technical scheme, and provides a flue system for a circulating fluidized bed furnace, which comprises a transverse flue connected with a flue gas outlet of the fluidized bed furnace and a dust removal system communicated with the transverse flue, wherein the bottom of the transverse flue is fixedly connected with a return bin, the inner cavity of the return bin is communicated with the transverse flue, a top plate of the transverse flue is fixedly connected with a baffle plate extending downwards to the return bin, the front side and the rear side of the baffle plate and the lower part of the baffle plate form a channel for flue gas to pass through, and the bottom of the return bin is provided with a discharge valve;
be equipped with vertical flue between horizontal flue and the dust pelletizing system, the upper end of vertical flue is connected with the one end that the bed furnace is kept away from to horizontal flue, installs first water cooler in the vertical flue, and the exhaust vent that communicates with the dust pelletizing system air intake is seted up to the lower extreme side of vertical flue, and the bottom of vertical flue is equipped with first blanking pipe, and the lower extreme of first blanking pipe is connected with the feed screw, still is connected with the intercommunication on the casing of feed screw the second blanking pipe of baiting valve, the discharge gate of feed screw is located the slag falling chamber of vulcanizing the bed furnace.
And as optimization, a second water cooler positioned below the first water cooler is also arranged in the vertical flue. According to the optimized scheme, the second water cooler is arranged, so that two-stage cooling of high-temperature flue gas is realized, the flue gas waste heat is fully utilized, and the heat waste is reduced.
Preferably, the second water cooler comprises a plurality of vertical smoke pipes fixedly connected in the vertical smoke channel, the vertical smoke pipes are sleeved with outer sleeves fixedly connected, water passing cavities are formed between the outer sleeves and the vertical smoke pipes, and cooling water inlet pipes and cooling water outlet pipes communicated with the water passing cavities are arranged on the pipe walls of the outer sleeves. The second water cooling of this optimization scheme is when using, and the flue gas passes through in following perpendicular tobacco pipe, and the cooling water passes through from crossing the water intracavity, carries out 180 heat exchanges from the outside, owing to erect the vertical setting of tobacco pipe, has reduced the residue of the dust that is refrigerated, has avoided blockking up.
Preferably, the water passing cavities share one cooling water inlet pipe and one cooling water outlet pipe, the cooling water inlet pipe is lower than the cooling water outlet pipe in the height direction, the lower parts of the water passing cavities are communicated through the lower connecting pipe in sequence, and the upper parts of the water passing cavities are communicated through the upper connecting pipe in sequence. The arrangement of the optimized scheme enables the cooling water in the water passing cavity to flow from bottom to top, and the flow direction of the cooling water is opposite to that of the flue gas, so that the heat exchange efficiency is improved.
Preferably, the cooling water outlet pipe of the second water cooler is communicated with the cooling water inlet pipe of the first water cooler. The arrangement of the optimized scheme simplifies the arrangement structure of the cooling water pipe, and the cooling water flows to exchange heat with the flue gas step by step, so that the heat exchange of the cooling water is more sufficient.
The utility model has the beneficial effects that: through the arrangement of the material returning bin and the baffle, dust with larger particles is settled in the material returning bin under the action of centrifugal force, and through the arrangement of the vertical flue, the first water cooler and the second water cooler, the flue gas flows vertically downwards and is cooled in two stages in the downward flowing process, so that the utilization rate of the heat of the flue gas is improved, and the dust is prevented from accumulating in a pipeline; through setting up the screw feeder, will return the interior sedimentary dust of feed back storehouse and vertical flue and carry back the furnace body, conveniently lead to with the lime-ash and concentrate the discharge processing.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of a second water cooler according to the present invention;
shown in the figure:
1. the device comprises a vulcanizing bed furnace, 2, a baffle, 3, a transverse flue, 4, a vertical flue, 5, a first water cooler, 6, a dust removal system, 7, a second water cooler, 8, a spiral feeder, 9, a second blanking pipe, 10, a material returning bin, 11, an outer sleeve, 12, a water passing cavity, 13, an upper connecting pipe, 14, a vertical smoke pipe, 15, a cooling water outlet pipe, 16, a cooling water inlet pipe, 17, an air outlet, 18, a first blanking pipe, 19, a supporting plate, 20 and a lower connecting pipe.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.
As shown in fig. 1, a flue system for circulating fluidized bed furnace includes a transverse flue 3 connected to a flue gas outlet of the fluidized bed furnace 1, and a dust removing system 6 communicated with the transverse flue, a return bin 10 is fixedly connected to the bottom of the transverse flue, an inner cavity of the return bin is communicated with the transverse flue, a baffle 2 extending downward to the return bin is fixedly connected to a top plate of the transverse flue, the baffle blocks the flow of flue gas in the transverse flue, a channel for flue gas to pass through is formed by the front side and the rear side of the baffle and the lower side of the baffle, the flue gas flows in the direction shown by the arrow in fig. 1, and flows upward after bypassing the bottom of the baffle downwards to leave large particles in the flue gas in the return bin under the action of centrifugal force, a discharge valve is arranged at the bottom of the return bin, and dust accumulated in the return bin can be discharged after the discharge valve is opened.
A vertical flue 4 is arranged between the transverse flue and the dust removal system, the upper end of the vertical flue is connected with one end of the transverse flue far away from the vulcanizing bed furnace, a first water cooler 5 is arranged in the vertical flue, the first water cooler is used for carrying out primary heat exchange cooling on flue gas by adopting the prior art, an air outlet 17 communicated with an air inlet of the dust removal system is arranged on the side surface of the lower end of the vertical flue, a first blanking pipe 18 is arranged at the bottom of the vertical flue, the lower end of the first blanking pipe is connected with a spiral feeder 8, a shell of the spiral feeder is also connected with a second blanking pipe 9 communicated with the discharge valve, the second blanking pipe is vertically arranged so as to facilitate dust falling, a discharge port of the spiral feeder is positioned in a slag falling cavity of the vulcanizing bed furnace, large-particle dust in a return bin and the dust cooled and settled at the bottom of the vertical flue respectively fall into the spiral feeder through the second blanking pipe and the first blanking pipe, the dust is sent into the furnace body through the spiral feeder, so that the centralized treatment is convenient.
In order to improve the utilization ratio of the heat of the flue gas, the second water cooler 7 located below the first water cooler is further arranged in the vertical flue, and the flue gas is cooled through second-stage heat exchange by the second water cooler. Specifically, as shown in fig. 2, the second water cooler 7 includes a plurality of vertical flue pipes 14 fixedly connected in the vertical flue, an outer sleeve 11 is fixedly connected on the vertical flue pipes, a water passing cavity 12 is formed between the outer sleeve and the vertical flue pipes, a cooling water inlet pipe and a cooling water outlet pipe which are communicated with the water passing cavity 12 are arranged on the pipe wall of the outer sleeve, and sealing rings are welded at the upper and lower ends of each water passing cavity for sealing. For the convenience of fixing the vertical smoke tube and the outer sleeve, two supporting plates 19 which are vertically distributed are welded in the vertical smoke channel, a mounting hole matched with the outer diameter of the outer sleeve is formed in each supporting plate 19, the outer sleeve is integrally inserted into the mounting hole after being welded with the vertical smoke tube, the outer sleeve and the supporting plates are fixedly welded, and the vertical smoke tube is convenient to arrange along the vertical direction by arranging the two supporting plates.
For the convenience of external pipeline arrangement, the water passing cavities 12 share one cooling water inlet pipe 16 and one cooling water outlet pipe 15, the cooling water inlet pipe is lower than the cooling water outlet pipe in the height direction, the lower parts of the water passing cavities are communicated through the lower connecting pipes 20 in sequence, the upper parts of the water passing cavities are communicated through the upper connecting pipes 13 in sequence, and the upper connecting pipes are higher than the lower connecting pipes in the height direction. And a cooling water outlet pipe of the second water cooler is communicated with a cooling water inlet pipe of the first water cooler.
When the device is actually used, smoke enters the return bin from the front section of the transverse flue under the action of a draught fan of the dust removal system, enters the vertical flue from the rear section of the transverse flue after primary centrifugation of the return bin, flows from top to bottom along the vertical flue, and enters the dust removal system after two-stage heat exchange; the cooling water advances the pipe 16 by the cooling water and gets into the second water chiller, the pipe 20 gets into each water cavity of crossing under the process, flow upwards along crossing the water cavity, and form convection type heat transfer between the flue gas, the cooling water after the heat transfer converges to cooling water exit tube 15 through each last takeover 13, the cooling water that flows out by the second water chiller gets into first water chiller, continue with the flue gas heat transfer, realized heat transfer step by step, the heat exchange efficiency is improved, the cooling water that is heated that flows out from first water chiller can be used for fields such as heating, the thermal make full use of flue gas has been realized.
Of course, the above description is not limited to the above examples, and the undescribed technical features of the present invention can be implemented by or using the prior art, and will not be described herein again; the above embodiments and drawings are only for illustrating the technical solutions of the present invention and not for limiting the present invention, and the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that changes, modifications, additions or substitutions within the spirit and scope of the present invention may be made by those skilled in the art without departing from the spirit of the present invention, and shall also fall within the scope of the claims of the present invention.
Claims (5)
1. The utility model provides a flue system for circulating vulcanization bed furnace, includes horizontal flue (3) of being connected with the exhanst gas outlet of vulcanization bed furnace (1) to and dust pelletizing system (6) with horizontal flue intercommunication, its characterized in that: a return bin (10) is fixedly connected to the bottom of the transverse flue, the inner cavity of the return bin is communicated with the transverse flue, a baffle (2) extending downwards to the return bin is fixedly connected to the top plate of the transverse flue, a channel for smoke to pass through is formed by the front side and the rear side of the baffle and the lower part of the baffle, and a discharge valve is arranged at the bottom of the return bin;
be equipped with vertical flue (4) between horizontal flue and the dust pelletizing system, the one end that vulcanizes the bed furnace is kept away from to the upper end and the horizontal flue of vertical flue is connected, installs first water cooler (5) in the vertical flue, exhaust vent (17) with dust pelletizing system air intake intercommunication are seted up to the lower extreme side of vertical flue, and the bottom of vertical flue is equipped with first blanking pipe (18), and the lower extreme of first blanking pipe is connected with feed screw (8), still is connected with the intercommunication on feed screw's the casing second blanking pipe (9) of baiting valve, and feed screw's discharge gate is located the slag falling chamber of vulcanizing the bed furnace.
2. The flue system for circulating fluidized bed furnaces as set forth in claim 1, wherein: and a second water cooler (7) positioned below the first water cooler is also arranged in the vertical flue.
3. The flue system for circulating fluidized bed furnaces as set forth in claim 2, wherein: the second water cooler (7) comprises a plurality of vertical smoke pipes (14) fixedly connected in the vertical smoke channel, the vertical smoke pipes are sleeved with outer sleeves (11), water passing cavities (12) are formed between the outer sleeves and the vertical smoke pipes, and cooling water inlet pipes and cooling water outlet pipes communicated with the water passing cavities (12) are arranged on the pipe walls of the outer sleeves.
4. The flue system for circulating fluidized bed furnaces as set forth in claim 3, wherein: the water passing cavities share one cooling water inlet pipe (16) and one cooling water outlet pipe (15), the cooling water inlet pipe is lower than the cooling water outlet pipe in the height direction, the lower parts of the water passing cavities are communicated through lower connecting pipes (20) in sequence, and the upper parts of the water passing cavities are communicated through upper connecting pipes (13) in sequence.
5. The flue system for circulating fluidized bed furnaces as set forth in claim 4, wherein: and a cooling water outlet pipe of the second water cooler is communicated with a cooling water inlet pipe of the first water cooler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122061467.5U CN215570419U (en) | 2021-08-30 | 2021-08-30 | Flue system for circulating vulcanization bed furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122061467.5U CN215570419U (en) | 2021-08-30 | 2021-08-30 | Flue system for circulating vulcanization bed furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215570419U true CN215570419U (en) | 2022-01-18 |
Family
ID=79844035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122061467.5U Expired - Fee Related CN215570419U (en) | 2021-08-30 | 2021-08-30 | Flue system for circulating vulcanization bed furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215570419U (en) |
-
2021
- 2021-08-30 CN CN202122061467.5U patent/CN215570419U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220118 |