CN209027312U - A kind of pre-inversion residual heat using device - Google Patents
A kind of pre-inversion residual heat using device Download PDFInfo
- Publication number
- CN209027312U CN209027312U CN201821658198.2U CN201821658198U CN209027312U CN 209027312 U CN209027312 U CN 209027312U CN 201821658198 U CN201821658198 U CN 201821658198U CN 209027312 U CN209027312 U CN 209027312U
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- CN
- China
- Prior art keywords
- pipe
- superheater
- steam
- heat
- smoke inlet
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Links
- 239000000779 smoke Substances 0.000 claims abstract description 25
- 239000003546 flue gas Substances 0.000 claims abstract description 23
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000002918 waste heat Substances 0.000 claims abstract description 8
- 239000007789 gas Substances 0.000 claims description 36
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract description 6
- 230000005611 electricity Effects 0.000 abstract description 2
- 239000003517 fume Substances 0.000 abstract 1
- 239000013049 sediment Substances 0.000 description 9
- 238000010521 absorption reaction Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 241001417490 Sillaginidae Species 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011165 process development Methods 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 230000010512 thermal transition Effects 0.000 description 1
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
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Landscapes
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The utility model discloses a kind of pre-inversion residual heat using devices, including pre-converter, superheater and heat exchanger, the superheater is set as cavity structure, superheater both ends are separately connected smoke inlet pipe, flue gas exhaust pipe, smoke inlet pipe is connected to the exhaust outlet of pre-converter, flue gas exhaust pipe is connected to the air inlet of heat exchanger, the steam pipe to spiral is provided on the cavity inner wall of superheater, the both ends of steam pipe both pass through superheater side wall and extend outwardly, one end of steam pipe connects steam generation device, and the steam pipe other end connects cogeneration station.Fume afterheat at sulfuric acid pre-inversion is obtained superheated steam using steam heat-exchanging to generate electricity, waste heat herein is efficiently utilized.
Description
Technical field
The utility model relates to field of waste heat utilization, and in particular to a kind of pre-inversion residual heat using device.
Background technique
With the further development of copper industry Strong oxdiative smelting technique, the high concentration for smelting generation 13-18% smelts cigarette
Gas, pre-inversion pre-absorption can directly handle high concentration SO as a kind of2Flue gas and then the technology of relieving haperacidity, more traditional double-absorption system
Technic acid has its superiority, therefore pre-inversion pre-absorption relieving haperacidity technology will become the trend of acid-making process development, certain Copper making producer
Flue-gas temperature is up to 580 DEG C at sulfuric acid pre-inversion, and actual process requires 500 DEG C of flue-gas temperature, and there are also 80 DEG C of flue gases
Waste heat, if these waste heats, which are not used, becomes a kind of waste, this part of waste heat can carry out heat exchange using steam and obtain
Hot steam and then power generation.
Utility model content
The purpose of this utility model is to provide a kind of pre-inversion residual heat using devices, more than the flue gas at sulfuric acid pre-inversion
Heat utilization steam heat-exchanging obtains superheated steam and generates electricity, and efficiently utilizes to waste heat herein.
In order to solve the above technical problems, the utility model uses following technical scheme:
A kind of pre-inversion residual heat using device, including pre-converter, superheater and heat exchanger, the superheater setting
For cavity structure, superheater both ends are separately connected smoke inlet pipe, flue gas exhaust pipe, the row of smoke inlet pipe and pre-converter
Port connection, flue gas exhaust pipe are connected to the air inlet of heat exchanger, and the steam to spiral is provided on the cavity inner wall of superheater
Pipe, the both ends of steam pipe both pass through superheater side wall and extend outwardly, and one end of steam pipe connects steam generation device, steam pipe
The other end connects cogeneration station.
Further；Collecting tank is provided on the left of the smoke inlet pipe, strainer is arranged in collecting tank sidewall；
It is provided with flexible gas bar on the right side of smoke inlet pipe, brush handle is arranged in the top for the gas bar that stretches, it is provided with soft brush on brush handle,
Soft brush fits with screen wall, and the air inlet of flexible gas bar is connected to reciprocal tracheae, and reciprocal tracheae passes through smoke inlet pipe bottom wall
Extend, is provided with reciprocal air pump on the reciprocal tracheae of extension；
It collects trench bottom and connects scum pipe, be provided with control valve on scum pipe.
Further；The width of the brush handle is less than the width of strainer.
Further；The card of annular is provided at the exhaust outlet of the smoke inlet pipe and the air inlet of flue gas exhaust pipe
Slot is fixedly installed the heat-conducting plate of annular in card slot.
Further；The circular bottom part of the heat-conducting plate is obliquely installed.
Further；Setting is provided with uniform through-hole on the brush handle.
Compared with prior art, the utility model has the beneficial effects that
1, in the utility model in gas washing in SA production, pre-converter enter the gas of superheater heat waste heat convert so that
Water temperature increases in steam pipe, reduces the recycling of the flue gas exhaust pipe preheating of pre-converter and is convenient for utilizing again, the gas after cooling
Body enters in heat exchanger via flue gas exhaust pipe, reduces high-temperature gas and enters heat exchanger influence heat exchanger normal work.
2, the gas in superheater carries out pre- heat absorption by steam pipe, and gas temperature reduces so that solids in gas
Matter sedimentation, sediment, which enters in heat exchanger, influences heat exchanger normal work, and the end of smoke inlet pipe is provided with collecting tank, cools down
Through filter screen, sediment cannot pass through strainer and is deposited on collection in collecting tank gas afterwards, periodically be discharged via scum pipe, realize
Collection to the gas settling object that cools down in steam pipe；Reciprocal air pump makes the flexible gas bar stretching motion of reciprocal tracheae connection, soft
Brush sweeps the sediment brush on strainer, reduces sediment and rests on strainer, avoids causing to block.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model.
In figure: 1- pre-converter, 2- smoke inlet pipe, 3- superheater, 4- steam pipe, 5- collecting tank, 6- flue gas exhaust
The soft brush of pipe, 7- heat exchanger, 8- heat-conducting plate, 9- scum pipe, 10- strainer, 11-, 12- flexible gas bar, 13- brush handle, the reciprocal gas of 14-
Pipe.
Specific embodiment
Shown in Fig. 1, in order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached
Figure and embodiment, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only
To explain the utility model, it is not used to limit the utility model.
Embodiment 1:
A kind of pre-inversion residual heat using device, including pre-converter 1, superheater 3 and heat exchanger 7, superheater 3 are arranged
For cavity structure, 3 both ends of superheater are separately connected smoke inlet pipe 2, flue gas exhaust pipe 6, smoke inlet pipe 2 and pre-converter
1 exhaust outlet connection, flue gas exhaust pipe 6 are connected to the air inlet of heat exchanger 7, are provided with disk on the cavity inner wall of superheater 3
The steam pipe 4 of rotation, the both ends of steam pipe 4 both pass through 3 side wall of superheater and extend outwardly, and one end connection steam of steam pipe 4 produces
Generating apparatus, 4 other end of steam pipe connect cogeneration station；In gas washing in SA production, steam pipe 4 continually enters water to pre-converter 1
The smoke inlet pipe 2 of the superheater 3 of exhaust outlet connection enters gas, and the heat waste heat of gas converts so that water in steam pipe 4
Temperature increases, and reduces the recycling of the flue gas exhaust pipe preheating of pre-converter 1 and is convenient for utilizing again, the gas after cooling is via flue gas
Exhaust pipe 6 enters in heat exchanger 7, reduces high-temperature gas and enters the influence normal work of heat exchanger 7 of heat exchanger 7.
Embodiment 2:
On the basis of embodiment 1, the left side of smoke inlet pipe 2 is provided with collecting tank 5, and strainer is arranged in 5 side wall of collecting tank
10；
Flexible gas bar 12 is provided on the right side of smoke inlet pipe 2, brush handle 13 is arranged in the top for the gas bar 12 that stretches, and sets on brush handle 13
It is equipped with soft brush 11, soft brush 11 fits with 10 wall of strainer, and the air inlet of flexible gas bar 12 is connected to reciprocal tracheae 14, reciprocal tracheae
14, which pass through 2 bottom wall of smoke inlet pipe, extends, and is provided with reciprocal air pump on the reciprocal tracheae 14 of extension；
5 bottom of collecting tank connects scum pipe 9, is provided with control valve on scum pipe 9；Gas in superheater 3 is by steaming
Steam pipe 7 carries out pre- heat absorption, and gas temperature in superheater 3 reduces, and gas temperature reduces so that solid matter in gas
Sedimentation, sediment, which enters in heat exchanger 7, influences the normal work of heat exchanger 7, and the end of smoke inlet pipe 2 is provided with collecting tank 5, drops
Gas after temperature is through filter screen 10, and sediment cannot pass through strainer 10 and be deposited on collection in collecting tank 5, periodically via scum pipe 9
The collection to the gas settling object that cools down in steam pipe 4 is realized in discharge；Meanwhile reciprocal air pump makes stretching for the reciprocal connection of tracheae 14
12 stretching motion of contracting gas bar, the soft sediment brush brushed on 11 pairs of strainers 10 are swept, and are reduced sediment and are rested on strainer 10, avoid drawing
Blocking is played, needs are met.
Embodiment 3:
On the basis of embodiment 1-2, the width of brush handle 13 is less than the width of strainer 10, conducive to the soft brush 11 on brush handle 13
Work.
Embodiment 4:
On the basis of embodiment 1-3, it is respectively provided at the exhaust outlet of smoke inlet pipe 2 and the air inlet of flue gas exhaust pipe 6
There is the card slot of annular, the heat-conducting plate 8 of annular is fixedly installed in card slot；Smoke inlet pipe 2 and flue gas exhaust in superheater 3
The heat-conducting plate 8 of annular is set between pipe 6, and reducing sediment influences pre- thermal transition in the steam pipe 4 to spiral, and not easy cleaning.
Embodiment 5:
On the basis of examples 1 to 4, the circular bottom part of heat-conducting plate 8 is obliquely installed；Inclined 8 bottom of heat-conducting plate is convenient for heavy
Drop object enters in collecting tank 5.
Embodiment 6:
On the basis of embodiment 1-5, setting is provided with uniform through-hole on brush handle 13；Flue gas exhaust pipe is convenient in through-hole setting
Gas in 6 passes through.
Although reference be made herein to the utility model is described in multiple explanatory embodiments of the utility model, still,
It should be understood that those skilled in the art can be designed that a lot of other modification and implementations, these modifications and implementations
It will fall within scope and spirit disclosed in the present application.More specifically, it discloses in the application, drawings and claims
In range, can building block to theme combination layout and/or layout carry out a variety of variations and modifications.In addition to building block
And/or outside the modification and improvement of layout progress, to those skilled in the art, other purposes also be will be apparent.
Claims (6)
1. a kind of pre-inversion residual heat using device, including pre-converter (1), superheater (3) and heat exchanger (7), feature exists
In: the superheater (3) is set as cavity structure, and superheater (3) both ends are separately connected smoke inlet pipe (2), flue gas row
Tracheae (6), smoke inlet pipe (2) are connected to the exhaust outlet of pre-converter (1), the air inlet of flue gas exhaust pipe (6) and heat exchanger (7)
Mouth is connected to, and is provided with the steam pipe (4) to spiral on the cavity inner wall of superheater (3), the both ends of steam pipe (4) both pass through overheat
Device (3) side wall extends outwardly, and one end of steam pipe (4) connects steam generation device, and steam pipe (4) other end connects waste heat hair
Power station.
2. a kind of pre-inversion residual heat using device according to claim 1, it is characterised in that: the smoke inlet pipe (2)
Left side be provided with collecting tank (5), collecting tank (5) side wall be arranged strainer (10)；
It is provided with flexible gas bar (12) on the right side of smoke inlet pipe (2), brush handle (13) are arranged in the top of flexible gas bar (12), brush handle
(13) soft brush (11) is provided on, soft brush (11) fits with strainer (10) wall, the air inlet and reciprocal gas of flexible gas bar (12)
(14) connection is managed, reciprocal tracheae (14) extends across smoke inlet pipe (2) bottom wall, is provided on the reciprocal tracheae (14) of extension past
Multiple air pump；
Collecting tank (5) bottom connects scum pipe (9), and scum pipe is provided with control valve on (9).
3. a kind of pre-inversion residual heat using device according to claim 2, it is characterised in that: the width of the brush handle (13)
Less than the width of strainer (10).
4. a kind of pre-inversion residual heat using device according to claim 1, it is characterised in that: the smoke inlet pipe (2)
Exhaust outlet and flue gas exhaust pipe (6) air inlet at be provided with the card slot of annular, leading for annular is fixedly installed in card slot
Hot plate (8).
5. a kind of pre-inversion residual heat using device according to claim 4, it is characterised in that: the ring of the heat-conducting plate (8)
The setting of shape bottom angled.
6. a kind of pre-inversion residual heat using device according to claim 2, it is characterised in that: be arranged on the brush handle (13)
It is provided with uniform through-hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821658198.2U CN209027312U (en) | 2018-10-12 | 2018-10-12 | A kind of pre-inversion residual heat using device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821658198.2U CN209027312U (en) | 2018-10-12 | 2018-10-12 | A kind of pre-inversion residual heat using device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209027312U true CN209027312U (en) | 2019-06-25 |
Family
ID=66906216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821658198.2U Active CN209027312U (en) | 2018-10-12 | 2018-10-12 | A kind of pre-inversion residual heat using device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209027312U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111396843A (en) * | 2020-03-16 | 2020-07-10 | 南京加诺能源设备有限公司 | Chemical industry flue gas rectilinear heat pipe exhaust-heat boiler |
-
2018
- 2018-10-12 CN CN201821658198.2U patent/CN209027312U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111396843A (en) * | 2020-03-16 | 2020-07-10 | 南京加诺能源设备有限公司 | Chemical industry flue gas rectilinear heat pipe exhaust-heat boiler |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |