CN217230614U - Coke powder cooling device of primary dry quenching dust remover - Google Patents
Coke powder cooling device of primary dry quenching dust remover Download PDFInfo
- Publication number
- CN217230614U CN217230614U CN202123326285.2U CN202123326285U CN217230614U CN 217230614 U CN217230614 U CN 217230614U CN 202123326285 U CN202123326285 U CN 202123326285U CN 217230614 U CN217230614 U CN 217230614U
- Authority
- CN
- China
- Prior art keywords
- cooling section
- sleeve
- cooling
- water
- coke powder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
Landscapes
- Coke Industry (AREA)
Abstract
The utility model relates to a dry coke quenching fine coke cooling recovery system, especially a dust remover fine coke cooling device of dry coke quenching, including a dust remover (1), fine coke cooling zone, ash bin (6), characterized by: the coke powder cooling section is divided into a first cooling section (2) and a second cooling section, the first cooling section (2) is arranged at the bottom of the primary dust remover (1), and the second cooling section is communicated with the bottom of the first cooling section (2); the second cooling section comprises a left second cooling section and a right second cooling section, and the left second cooling section and the right second cooling section are formed by leading out two pipelines which are divided into a left chamber and a right chamber by a partition plate (33) downwards in a box body of the first cooling section (2); one end of the left second cooling section and one end of the right second cooling section are respectively connected to the bottom of the primary dust remover (1), the other end of the left second cooling section is connected to the left dust bin, and the other end of the right second cooling section is connected to the right dust bin. The efficiency of coke powder cooling collection is improved to it, improves water-cooling jacket's life.
Description
Technical Field
The utility model relates to a coke dry quenching coke powder cooling and recycling system, in particular to a coke powder cooling device of a coke dry quenching primary dust remover.
Background
In ferrous metallurgy enterprises, dry quenching is widely applied due to the advantages of energy conservation, environmental protection, coke quality improvement and the like, and dry quenching refers to a quenching method for cooling red coke by adopting inert gas. In the process of dry quenching, red coke is loaded from the top of a dry quenching furnace, low-temperature inert gas is blown into the dry quenching furnace by a circulating fan to absorb sensible heat of the red coke, cooled coke is discharged from the bottom of the dry quenching furnace, high-temperature inert gas enters a dry quenching boiler for heat exchange after being separated from coke powder by a primary dust remover, low-temperature circulating gas is discharged from the boiler, is further separated from the coke powder by a secondary dust remover, is sent to a feed water preheater by the circulating fan for cooling, and is recycled after entering the dry quenching furnace.
Primary separation is carried out to the fine coke in the circulating gas to a dust remover, prevents that large granule fine coke from getting into in the dry coke quenching boiler, wearing and tearing boiler heat transfer pipeline, causes the boiler trouble, influences the steady operation of dry coke quenching. At present, the coke powder recovered by a primary dust remover mostly adopts a water-cooling sleeve mode, but because the temperature of the coke powder collected by the primary dust remover is about 1000 ℃, the high-temperature coke powder erodes the pipeline for a long time, and simultaneously cooling water on the upper part of the water sleeve contacted with the coke powder is vaporized to form bubbles, so that the upper end of the water-cooling sleeve is lack of water, the welding seam of the pipeline is cracked, and water leakage is caused. The water is mixed with the coke powder to cause the coke powder to be caked and blocked, and the coke powder can not be smoothly recovered, thereby seriously influencing the normal production. The maintenance and the replacement of the water-cooling sleeve are on-line maintenance and replacement, and the water-cooling sleeve with larger structural volume is a hidden danger for the safety of field replacement personnel.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a mode through the segmentation heat transfer is retrieved the cooling of fine coke in to a dust remover, improves the efficiency that the fine coke cooling was collected, improves water-cooling jacket's life.
The technical scheme of the utility model is that: the utility model provides a dust remover burnt powder cooling device is once quenched in dry coke, includes dust remover (1), burnt powder cooling zone, ash bin (6), characterized by: the coke powder cooling section is divided into a first cooling section (2) and a second cooling section, the first cooling section (2) is arranged at the bottom of the primary dust remover (1), and the second cooling section is communicated with the bottom of the first cooling section (2); the second cooling section comprises a left second cooling section and a right second cooling section, and the left second cooling section and the right second cooling section are formed by leading out two pipelines which are divided into a left chamber and a right chamber by a partition plate (33) downwards in a box body of the first cooling section (2); one ends of the left second cooling section and the right second cooling section are respectively connected to the bottom of the primary dust remover (1), the other end of the left second cooling section is connected to the left dust bin, and the other end of the right second cooling section is connected to the right dust bin.
And the left second cooling section and the right second cooling section of the second cooling section are respectively wrapped by triple water-cooling sleeves in concentric circles.
The medium of the triple water-cooling sleeve is respectively as follows: the medium in the first double-sleeve is water, the medium in the second double-sleeve is coke powder, and the medium in the third double-sleeve is water; the medium in a heavy sleeve is water which enters through a water inlet pipe (31) of the heavy sleeve and is discharged from a water outlet pipe (32) of the heavy sleeve; the medium in the triple sleeve is water which enters from a water inlet pipe (51) of the triple sleeve and is discharged from a water outlet pipe (52) of the triple sleeve, and the medium coke powder in the double sleeve exchanges heat between the inner water pipe and the outer water pipe, so that the medium coke powder in the double sleeve is cooled.
The triple water-cooling sleeve of the second cooling section is provided with an exhaust pipe (8) and a sewage discharge pipe (9) so as to be convenient for maintenance and long-term water recycling; the exhaust pipes (8) are arranged on two sides of the box body of the first cooling section (2).
The first cooling section (2) is a large cavity formed by building heat-resistant clay bricks, the large cavity is round, square or rectangular, the first cooling section (2) of the large cavity is divided into two chambers by an intermediate partition wall (25), and the two chambers are a left chamber and a right chamber respectively.
The chamber comprises three groups of finned tubes (24).
The large cavity is provided with a low-temperature air inlet (22) and a low-temperature air outlet (23), the lower end of each finned tube (24) is provided with a grid ash discharge valve (26), and the finned tubes (24) discharge collected coke powder to a second cooling section below.
The triple water-cooling sleeves are respectively a double sleeve (3), a double sleeve (4) and a triple sleeve (5), and the triple water-cooling sleeves are respectively the double sleeve (3), the double sleeve (4) and the triple sleeve (5) from inside to outside; a partition (33) is arranged in a double-sleeve pipe (3), and a double-sleeve pipe inlet pipe (31) and a double-sleeve pipe outlet pipe (32) are horizontally separated at the bottom of the first cooling section (2).
The left ash bin and the right ash bin are provided with bin wall rappers (7).
The utility model has the advantages that: sectional type cooling structure has effectually reduced the high temperature fine coke and has erodeed the erosion to water-cooling jacket pipe's long-term, and with the fine coke of high temperature earlier through air cooling's preliminary cooling, further cooling through water-cooling jacket pipe has avoided the pipeline to lead to the pipeline welding seam fracture because of the high temperature, causes the problem that water leakage, fine coke caking blockked up the passageway. The service life of the water-cooling sleeve is greatly prolonged, and the use cost is saved in the aspect of online dismounting operation.
Drawings
Fig. 1 is a schematic view of the appearance structure of the present invention;
fig. 2 is a view from direction a of the present invention;
FIG. 3 is a cross-sectional view taken along line B-B of the present invention;
FIG. 4 is a schematic structural view of a first cooling section of the present invention;
fig. 5 is a cross-sectional view taken along the direction C-C of fig. 4 according to the present invention.
In the figure: 1. a primary dust remover; 2. a first cooling section; 21. heat-resistant clay brick; 22. a low temperature air inlet; 23. a low temperature air outlet; 24. a finned tube; 25 an intermediate partition wall; 26. a grid ash discharge valve; 3. a heavy casing; 31. a double-sleeve water inlet pipe; 32. a heavy sleeve water outlet pipe; 33. a partition plate; 4. a double-walled pipe; 5. a triple sleeve; 51. a triple casing water inlet pipe; 52. a triple sleeve water outlet pipe; 6. an ash bin; 7. a bin wall vibrator; 8. an exhaust pipe; 9. a sewage discharge pipe.
Detailed Description
As shown in fig. 1, 2, 3, 4 and 5, a coke powder cooling device of a dry quenching primary dust collector comprises a primary dust collector 1, a coke powder cooling section and an ash bin 6, and is characterized in that: the coke powder cooling section is divided into a first cooling section 2 and a second cooling section 10, the first cooling section 2 is arranged at the bottom of the primary dust remover 1, and the second cooling section is communicated with the bottom of the first cooling section 2; the second cooling section comprises a left second cooling section and a right second cooling section, and the left second cooling section and the right second cooling section are formed by leading out two pipelines which are divided into a left chamber and a right chamber by a partition plate 33 from the inside of the box body of the first cooling section 2; one end of a left second cooling section and one end of a right second cooling section are respectively connected to the bottom of the primary dust remover 1, the other end of the left second cooling section is connected to the left dust bin, and the other end of the right second cooling section is connected to the right dust bin. After the first cooling section is used for primarily cooling the coke powder through low-temperature air, the second cooling section is used for further reducing the temperature of the coke powder in a water cooling mode. After the first cooling section 2 primarily cools the coke powder through low-temperature air, the second cooling section further cools the coke powder in a water cooling mode.
And the left second cooling section and the right second cooling section of the second cooling section are respectively wrapped by triple water-cooling sleeves in concentric circles.
As shown in fig. 2, the triple water-cooled bushings are respectively a double bushing 3, a double bushing 4 and a triple bushing 5, and the triple water-cooled bushings are respectively the double bushing 3, the double bushing 4 and the triple bushing 5 from inside to outside; a partition 33 is provided in a double pipe 3, and a double pipe inlet pipe 31 and a double pipe outlet pipe 32 are horizontally separated at the bottom of the first cooling section 2.
The inlet pipe 51 of the triple sleeve and the outlet pipe 52 of the triple sleeve are on one radial side. See fig. 3.
As shown in fig. 2 and fig. 3, the media of the triple water-cooling sleeve are respectively: the medium in the first double sleeve is water, the medium in the second double sleeve is coke powder, and the medium in the third double sleeve is water. The medium in a heavy sleeve is water which enters through a heavy sleeve water inlet pipe 31 and is discharged from a heavy sleeve water outlet pipe 32; the medium in the triple sleeve is water entering from the water inlet pipe 51 of the triple sleeve and discharging from the water outlet pipe 52 of the triple sleeve, and the medium coke powder in the double sleeve exchanges heat between the inner water pipe and the outer water pipe, so that the medium coke powder in the double sleeve is cooled.
And the triple water-cooling sleeve of the second cooling section is provided with an exhaust pipe 8 and a sewage discharge pipe 9 so as to be convenient for maintenance and long-term water recycling. The exhaust pipes 8 are arranged on two sides of the box body of the first cooling section 2.
As shown in fig. 4 and 5, the first cooling section 2 is a large cavity formed by building heat-resistant clay bricks, and the large cavity is a circular, square or rectangular cavity, the first cooling section 2 of the large cavity is divided into two chambers by an intermediate partition wall 25, and the two chambers are a left chamber and a right chamber respectively.
Each chamber contains three groups of finned tubes 24 (fig. 5), the large chamber has a low-temperature air inlet 22 and a low-temperature air outlet 23, the lower end of each finned tube 24 is provided with a grid ash discharge valve 26, and the finned tubes 24 discharge collected coke powder to a lower second cooling section. The low temperature air inlet 22 enters air, the low temperature air outlet 23 discharges air, and the air exchanges heat with the three groups of finned tubes 24 in each cavity in the large cavity.
The utility model discloses an ash storehouse 6 includes left ash storehouse, right ash storehouse, and left ash storehouse and right ash storehouse are equipped with the bulkhead knocker, through 7 regular work of bulkhead knocker, make the deposition in ash storehouse 6 clear away.
The utility model discloses the pipe side is walked to the fine coke, and the shell side is walked to the air and is carried out the heat transfer cooling. The partition wall increases the flow path of air, increases the contact time of air and finned tube, increases heat exchange efficiency.
The components and structures of the present embodiments that are not described in detail are well known in the art and do not constitute essential structural elements or elements.
Claims (9)
1. The utility model provides a dust remover burnt powder cooling device is once quenched in dry coke, includes dust remover (1), burnt powder cooling zone, ash bin (6), characterized by: the coke powder cooling section is divided into a first cooling section (2) and a second cooling section, the first cooling section (2) is arranged at the bottom of the primary dust remover (1), and the second cooling section is communicated with the bottom of the first cooling section (2); the second cooling section comprises a left second cooling section and a right second cooling section, and the left second cooling section and the right second cooling section are formed by leading out two pipelines which are divided into a left chamber and a right chamber by a partition plate (33) downwards in a box body of the first cooling section (2); one ends of the left second cooling section and the right second cooling section are respectively connected to the bottom of the primary dust remover (1), the other end of the left second cooling section is connected to the left dust bin, and the other end of the right second cooling section is connected to the right dust bin.
2. The coke powder cooling device of the dry quenching primary dust collector of claim 1, wherein: and the left second cooling section and the right second cooling section of the second cooling section are respectively wrapped by triple water-cooling sleeves in concentric circles.
3. The coke powder cooling device of the coke dry quenching primary dust collector as claimed in claim 2, wherein: the medium of the triple water-cooling sleeve is respectively as follows: the medium in the first double-sleeve is water, the medium in the second double-sleeve is coke powder, and the medium in the third double-sleeve is water; the medium in a heavy sleeve is water which enters through a water inlet pipe (31) of the heavy sleeve and is discharged from a water outlet pipe (32) of the heavy sleeve; the medium in the triple sleeve is water which enters from a water inlet pipe (51) of the triple sleeve and is discharged from a water outlet pipe (52) of the triple sleeve, and the medium coke powder in the double sleeve exchanges heat between the inner water pipe and the outer water pipe, so that the medium coke powder in the double sleeve is cooled.
4. The coke powder cooling device of the dry quenching primary dust collector of claim 1, wherein: the triple water-cooling sleeve of the second cooling section is provided with an exhaust pipe (8) and a sewage discharge pipe (9) so as to be convenient for maintenance and long-term water recycling; the exhaust pipes (8) are arranged on two sides of the box body of the first cooling section (2).
5. The coke powder cooling device of the coke dry quenching primary dust collector as claimed in claim 1, wherein: the first cooling section (2) is a large cavity formed by building heat-resistant clay bricks, the large cavity is round, square or rectangular, the first cooling section (2) of the large cavity is divided into two chambers by an intermediate partition wall (25), and the two chambers are a left chamber and a right chamber respectively.
6. The coke powder cooling device of the dry quenching primary dust collector of claim 5, wherein: the chambers all comprise three groups of finned tubes (24).
7. The coke powder cooling device of the dry quenching primary dust collector of claim 5, wherein: the large cavity is provided with a low-temperature air inlet (22) and a low-temperature air outlet (23), the lower end of each finned tube (24) is provided with a grid ash discharge valve (26), and the finned tubes (24) discharge collected coke powder to a second cooling section below.
8. The coke powder cooling device of the dry quenching primary dust collector of claim 2, wherein: the triple water-cooling sleeves are respectively a double sleeve (3), a double sleeve (4) and a triple sleeve (5), and the triple water-cooling sleeves are respectively the double sleeve (3), the double sleeve (4) and the triple sleeve (5) from inside to outside; a partition (33) is arranged in a double-sleeve pipe (3), and a double-sleeve pipe inlet pipe (31) and a double-sleeve pipe outlet pipe (32) are horizontally separated at the bottom of the first cooling section (2).
9. The coke powder cooling device of the dry quenching primary dust collector of claim 1, wherein: the left ash bin and the right ash bin are provided with bin wall vibrators (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123326285.2U CN217230614U (en) | 2021-12-28 | 2021-12-28 | Coke powder cooling device of primary dry quenching dust remover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123326285.2U CN217230614U (en) | 2021-12-28 | 2021-12-28 | Coke powder cooling device of primary dry quenching dust remover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217230614U true CN217230614U (en) | 2022-08-19 |
Family
ID=82827621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123326285.2U Active CN217230614U (en) | 2021-12-28 | 2021-12-28 | Coke powder cooling device of primary dry quenching dust remover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217230614U (en) |
-
2021
- 2021-12-28 CN CN202123326285.2U patent/CN217230614U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108359756B (en) | Dry centrifugal granulation and waste heat recycling system for liquid slag | |
| CN108330233B (en) | Liquid slag dry centrifugal granulation and waste heat recovery system with slag caching and flow control functions | |
| CN202254893U (en) | Flue gas radiation-type waste heat boiler recovery system for electric arc furnace | |
| CN102094104B (en) | Process for removing dust from steelmaking converter flue gas by pure dry method and recovering heat energy synchronously, and waste heat boiler | |
| CN108102719B (en) | Gasification furnace capable of preventing slag formation and efficiently recycling heat energy | |
| CN111118239A (en) | Modular natural convection boiler system for recovering waste heat of liquid slag | |
| CN202754968U (en) | Gasifier of fluidized bed of double-layer cooling room | |
| CN202092148U (en) | Combined type smoke thermal energy recycling tower | |
| CN217230614U (en) | Coke powder cooling device of primary dry quenching dust remover | |
| CN103102993B (en) | Non-chilling anti-slagging radiant waste heat boiler and its application | |
| CN213120176U (en) | Silver ore deposit dust removal heat transfer integration equipment | |
| CN109539808A (en) | A kind of mineral hot furnace Forced water cooling exhaust gas cleaner | |
| CN102322746A (en) | Electric arc furnace smoke radiation type waste heat boiler recovery system | |
| CN112797804A (en) | Closed full-dry type non-emission waste heat recovery smelting slag treatment system and process | |
| CN201496951U (en) | Multi-bin type energy-saving cold slag machine of circulating fluidized bed boiler | |
| CN111578744A (en) | Silver ore deposit dust removal heat transfer integration equipment | |
| CN202793104U (en) | Multi-channel water cooling pipe | |
| CN214218775U (en) | U-shaped separation section, converter gas dust removal and waste heat recovery system | |
| CN110715557A (en) | Furnace flue gas waste heat recovery heat exchanger | |
| CN214612604U (en) | Treatment furnace | |
| CN214666098U (en) | Closed full-dry type non-emission waste heat recovery smelting slag treatment system | |
| CN112662837B (en) | Skirt cover in converter waste heat boiler | |
| CN207987119U (en) | Full water cooling formula fixed bed slag tap gasification installation | |
| CN202390403U (en) | Cooling and washing system for biomass synthesis gases | |
| CN207599690U (en) | A kind of air-distribution device of fluidized-bed reactor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |