CN213771407U - Tubular furnace ammonia still equipment - Google Patents
Tubular furnace ammonia still equipment Download PDFInfo
- Publication number
- CN213771407U CN213771407U CN202022842149.8U CN202022842149U CN213771407U CN 213771407 U CN213771407 U CN 213771407U CN 202022842149 U CN202022842149 U CN 202022842149U CN 213771407 U CN213771407 U CN 213771407U
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- Prior art keywords
- pipe
- ammonia
- communicated
- tank
- connecting pipe
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- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 title claims abstract description 188
- 229910021529 ammonia Inorganic materials 0.000 title claims abstract description 93
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims abstract description 41
- 235000011114 ammonium hydroxide Nutrition 0.000 claims abstract description 41
- 239000007788 liquid Substances 0.000 claims abstract description 41
- 238000001704 evaporation Methods 0.000 claims abstract description 37
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 34
- 239000003546 flue gas Substances 0.000 claims abstract description 34
- 239000007789 gas Substances 0.000 claims abstract description 28
- 238000004821 distillation Methods 0.000 claims abstract description 27
- 230000008020 evaporation Effects 0.000 claims abstract description 20
- 238000011084 recovery Methods 0.000 claims description 13
- 239000002918 waste heat Substances 0.000 claims description 13
- 239000002699 waste material Substances 0.000 claims description 12
- 239000002351 wastewater Substances 0.000 abstract description 16
- 239000002912 waste gas Substances 0.000 abstract description 13
- 238000000034 method Methods 0.000 abstract description 8
- 238000005265 energy consumption Methods 0.000 abstract description 6
- 238000010336 energy treatment Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 7
- 239000012071 phase Substances 0.000 description 5
- 101100298225 Caenorhabditis elegans pot-2 gene Proteins 0.000 description 4
- 238000004939 coking Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000003245 coal Substances 0.000 description 1
- 230000009615 deamination Effects 0.000 description 1
- 238000006481 deamination reaction Methods 0.000 description 1
- 239000007792 gaseous phase Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
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Abstract
A tubular furnace ammonia distillation device comprises an ammonia water tank, an evaporation tank, an ammonia distillation tower and a tubular furnace; the first conveying pipe is communicated with the ammonia water tank and the evaporating tank, and a first liquid pump is arranged on the first conveying pipe; a gas distribution disc and a gas collection disc are arranged in the evaporation tank, a flue gas input pipe is communicated with the gas distribution disc, a flue gas output pipe is communicated with the gas collection disc, and a heat conduction pipe is communicated with the gas distribution disc and the gas collection disc; the second conveying pipe is communicated with the evaporating pot and the ammonia still and is provided with a second liquid pump; the circulating pipe penetrates through the tubular furnace, and two ends of the circulating pipe are communicated with the ammonia still; the condensing tank is provided with a first connecting pipe, the evaporating tank is provided with a second connecting pipe, the ammonia still is provided with a third connecting pipe, the second connecting pipe is connected with the first connecting pipe, and the third connecting pipe is connected with the first connecting pipe. The utility model discloses not only can utilize the hot waste gas that produces in the course of working in order effectively to reduce ammonia distillation energy consumption and treatment cost, can also effectively reduce the waste water that the ammonia distillation in-process produced, ammonia distillation is effectual, has the practicality.
Description
Technical Field
The utility model relates to an ammonia-containing wastewater treatment technical field especially relates to a tubular furnace ammonia still equipment.
Background
The ammonia distillation method comprises two methods of direct steam ammonia distillation and indirect heating ammonia distillation, wherein the indirect heating ammonia distillation is divided into three methods of heat-conducting oil heating ammonia distillation, tubular furnace heating ammonia distillation and reboiler ammonia distillation, the direct steam ammonia distillation is a relatively extensive deamination process applied to the coking industry in China, the wastewater is sent into an ammonia distillation tower, a large amount of steam is used for distillation, the ammonia is extracted, the ammonia distillation energy consumption is high, the treatment cost is high, and the wastewater discharge amount is increased when the direct steam ammonia distillation is performed, so that improvement is needed.
SUMMERY OF THE UTILITY MODEL
Objects of the invention
For solving the technical problem who exists among the background art, the utility model provides a tubular furnace evaporates ammonia equipment not only can utilize the hot waste gas that produces in the course of working in order effectively to reduce and evaporate ammonia energy consumption and treatment cost, can also effectively reduce the waste water that evaporates ammonia in-process and produces, evaporates ammonia effectual, has the practicality.
(II) technical scheme
The utility model provides a tubular furnace ammonia distillation device, which comprises an ammonia water tank, an evaporation tank, an ammonia distillation tower, a tubular furnace, a first conveying pipe, a second conveying pipe, a circulating pipe, a condensing tank, a flue gas input pipe, a flue gas output pipe and a heat conducting pipe;
the first conveying pipe is communicated with the ammonia water tank and the evaporating tank, and a first liquid pump is arranged on the first conveying pipe; the evaporation tank is internally provided with a gas distribution disc and a gas collection disc, the gas distribution disc is positioned above the gas collection disc, and cavities are respectively arranged in the gas distribution disc and the gas collection disc; the flue gas input pipe is arranged on the evaporation tank and communicated with the gas distribution disc, the flue gas output pipe is arranged on the evaporation tank and communicated with the gas collection disc, and the heat conduction pipes are vertically provided with a plurality of groups of heat conduction pipes and communicated with the gas distribution disc and the gas collection disc;
the second conveying pipe is communicated with the evaporating pot and the ammonia still and is provided with a second liquid pump; a liquid discharge pipe is arranged at the bottom of the ammonia still and is provided with a control valve; the circulating pipe penetrates through the tubular furnace, two ends of the circulating pipe are respectively communicated with the ammonia still, and a third liquid pump is arranged on the circulating pipe; the condensing tank is provided with a first connecting pipe and an output pipe, the top of the evaporating tank is provided with a second connecting pipe, the top of the ammonia still is provided with a third connecting pipe, the other end of the second connecting pipe is connected with the first connecting pipe, and the other end of the third connecting pipe is connected with the first connecting pipe.
Preferably, the ammonia water tank is provided with a tar output pipe, and the tar output pipe is provided with an oil pump.
Preferably, the system also comprises a waste heat recovery device; the tail end of the liquid discharge pipe is connected with a waste heat recovery device.
Preferably, the waste heat recovery device is provided with a waste liquid output pipe, and the other end of the waste liquid output pipe is connected with the waste liquid treatment device.
Preferably, the device also comprises a smoke treatment device; the other end of the flue gas output pipe is connected with a flue gas treatment device.
Preferably, the second connecting pipe is provided with a control valve, and the control valve is a one-way valve.
Preferably, a control valve is arranged on the third connecting pipe, and the control valve is a one-way valve.
Preferably, an ammonia water input pipe is arranged on the ammonia water tank, and a control valve is arranged on the ammonia water input pipe.
Preferably, the device also comprises an ammonia water preheating device; the input side of the ammonia water preheating device is communicated with the ammonia water tank through a pipeline, and the output side of the ammonia water preheating device is connected with the first conveying pipe through a pipeline.
Preferably, the heat conducting pipe is a vertically arranged coil pipe.
The above technical scheme of the utility model has following profitable technological effect:
the first liquid pump pumps ammonia-containing wastewater in the ammonia water tank into the evaporation tank, hot waste gas generated in coking production enters the gas distribution disc through the flue gas input pipe, the hot waste gas uniformly enters each heat conduction pipe, the heat conduction pipes conduct heat in the hot waste gas into the ammonia-containing wastewater in the evaporation tank, the effect of primary ammonia distillation is achieved, gas-phase ammonia enters the second connection pipe, the waste gas is concentrated in the gas collection disc and is discharged through the flue gas output pipe, the heat in the hot waste gas can be effectively recycled, and the energy consumption and the treatment cost in the ammonia distillation process can be effectively reduced;
the second liquid pump pumps the ammonia-containing wastewater in the evaporation tank into the ammonia still, the third liquid pump enables the ammonia-containing wastewater to circularly flow in the ammonia still and the tube furnace through the circulating pipe, the tube furnace heats the ammonia-containing wastewater to play a role of ammonia re-evaporation, and gas-phase ammonia enters the third connecting pipe, so that the wastewater generated in the ammonia still can be effectively reduced, and the ammonia still effect and the ammonia still efficiency are remarkably improved; gas-phase ammonia in second connecting pipe and the third connecting pipe gets into the condensing tank through first connecting pipe in, and the liquid phase ammonia after the condensation passes through the output tube and exports, and the result of use is splendid.
Drawings
Fig. 1 is a schematic structural diagram of the ammonia still equipment of the tube furnace provided by the utility model.
Fig. 2 is a schematic structural diagram of an evaporating pot in the ammonia still equipment of the tube furnace.
Reference numerals: 1. an ammonia water tank; 2. an evaporator tank; 3. an ammonia still; 4. a tube furnace; 5. an ammonia water input pipe; 6. a first delivery pipe; 7. a second delivery pipe; 8. a circulation pipe; 9. a first liquid pump; 10. a second liquid pump; 11. a third liquid pump; 12. a liquid discharge pipe; 13. a waste heat recovery device; 14. a condensing tank; 15. a first connecting pipe; 16. an output pipe; 17. a second connecting pipe; 18. a third connecting pipe; 19. a flue gas input pipe; 20. a flue gas output pipe; 21. a gas distribution plate; 22. a gas collecting tray; 23. a heat conducting pipe.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1-2, the ammonia distillation equipment of the tube furnace provided by the present invention comprises an ammonia water tank 1, an evaporation tank 2, an ammonia distillation tower 3, a tube furnace 4, a first delivery pipe 6, a second delivery pipe 7, a circulation pipe 8, a condensation tank 14, a flue gas input pipe 19, a flue gas output pipe 20 and a heat conduction pipe 23;
an ammonia water input pipe 5 is arranged on the ammonia water tank 1, and a control valve is arranged on the ammonia water input pipe 5; the first delivery pipe 6 is communicated with the ammonia water tank 1 and the evaporation tank 2, and a first liquid pump 9 is arranged on the first delivery pipe 6; an air distribution disc 21 and an air collection disc 22 are arranged in the evaporating pot 2, the air distribution disc 21 is positioned above the air collection disc 22, and cavities are respectively arranged in the air distribution disc 21 and the air collection disc 22; the flue gas input pipe 19 is arranged on the evaporation tank 2 and communicated with the gas distribution disc 21, the flue gas output pipe 20 is arranged on the evaporation tank 2 and communicated with the gas collection disc 22, and a plurality of groups of heat conduction pipes 23 are vertically arranged and communicated with the gas distribution disc 21 and the gas collection disc 22; the flue gas is waste gas which is generated in the production process of coking coal and carries a large amount of heat;
the second conveying pipe 7 is communicated with the evaporating pot 2 and the ammonia still 3, and a second liquid pump 10 is arranged on the second conveying pipe 7; a liquid discharge pipe 12 is arranged at the bottom of the ammonia still 3, and a control valve is arranged on the liquid discharge pipe 12; the circulating pipe 8 penetrates through the tubular furnace 4, two ends of the circulating pipe 8 are respectively communicated with the ammonia still 3, and the circulating pipe 8 is provided with a third liquid pump 11; the condensing tank 14 is provided with a first connecting pipe 15 and an output pipe 16, the top of the evaporating tank 2 is provided with a second connecting pipe 17, the top of the ammonia still 3 is provided with a third connecting pipe 18, the other end of the second connecting pipe 17 is connected with the first connecting pipe 15, and the other end of the third connecting pipe 18 is connected with the first connecting pipe 15.
In an optional embodiment, the ammonia water tank 1 is provided with a tar output pipe, and the tar output pipe is provided with an oil pump.
In an optional embodiment, the system further comprises a waste heat recovery device 13; the tail end of the liquid discharge pipe 12 is connected with a waste heat recovery device 13; be equipped with the waste liquid output tube on the waste heat recovery device 13, and the other end of waste liquid output tube connects the waste liquid treatment device, and waste heat recovery device 13 carries out waste heat recovery to the waste liquid, and the waste liquid treatment device is handled the waste liquid, helps using.
In an optional embodiment, the device further comprises a flue gas treatment device; the other end of the flue gas output pipe 20 is connected with a flue gas treatment device, the flue gas treatment device purifies the flue gas, and the purified flue gas is discharged to the atmosphere, so that the pollution to the air is reduced.
In an alternative embodiment, a control valve is provided on the second connection pipe 17, and the control valve is a one-way valve to ensure that ammonia gas enters the first connection pipe 15 from the second connection pipe 17.
In an alternative embodiment, a control valve is provided on the third connecting pipe 18, and the control valve is a one-way valve to ensure that ammonia gas enters the first connecting pipe 15 from the third connecting pipe 18.
In an optional embodiment, the device further comprises an ammonia water preheating device; the input side of the ammonia water preheating device is communicated with the ammonia water tank 1 through a pipeline, the output side of the ammonia water preheating device is connected with the first conveying pipe 6 through a pipeline, and the ammonia water preheating device preheats the ammonia water output from the ammonia water tank 1 and contributes to subsequent ammonia evaporation operation.
In an optional embodiment, the heat in the ammonia water preheating device is derived from the heat recovered by the waste heat recovery device 13, so that the energy consumption is further reduced, and the using effect is excellent.
In an alternative embodiment, the heat pipe 23 is a vertically disposed serpentine pipe, which helps to extend the transportation path of the flue gas in the evaporation tank 2, so that the heat carried by the flue gas is fully absorbed by the ammonia water.
The utility model discloses in, first drawing liquid pump 9 with ammonia-containing waste water suction in the ammonia water tank 1 to the evaporating pot 2 in, the hot waste gas that produces in the coking production gets into gas-distributing disc 21 through flue gas input tube 19, hot waste gas evenly gets into in each heat pipe 23, heat pipe 23 conducts the heat in the hot waste gas to the ammonia-containing waste water in the evaporating pot 2, play preliminary ammonia distillation's effect, gaseous phase ammonia gets into in second connecting pipe 17, waste gas is concentrated in gas-collecting disc 22 and is discharged through flue gas output tube 20, not only can effectively recycle the heat in the hot waste gas, can also effectively reduce energy consumption and the treatment cost among the ammonia distillation process;
the second liquid pump 10 pumps the ammonia-containing wastewater in the evaporation tank 2 into the ammonia still 3, the third liquid pump 11 enables the ammonia-containing wastewater to circularly flow in the ammonia still 3 and the tube furnace 4 through the circulating pipe 8, the tube furnace 4 heats the ammonia-containing wastewater to play a role of re-evaporating ammonia, and gas-phase ammonia enters the third connecting pipe 18, so that the wastewater generated in the ammonia still process can be effectively reduced, and the ammonia still effect and the ammonia still efficiency are remarkably improved; the gas-phase ammonia in the second connecting pipe 17 and the third connecting pipe 18 enters the condensing tank 14 through the first connecting pipe 15, and the condensed liquid-phase ammonia is output through the output pipe 16, so that the using effect is excellent.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (10)
1. A tubular furnace ammonia distillation device is characterized by comprising an ammonia water tank (1), an evaporation tank (2), an ammonia distillation tower (3), a tubular furnace (4), a first conveying pipe (6), a second conveying pipe (7), a circulating pipe (8), a condensing tank (14), a flue gas input pipe (19), a flue gas output pipe (20) and a heat conducting pipe (23);
the first conveying pipe (6) is communicated with the ammonia water tank (1) and the evaporating pot (2), and a first liquid pump (9) is arranged on the first conveying pipe (6); an air distribution disc (21) and an air collection disc (22) are arranged in the evaporation tank (2), the air distribution disc (21) is positioned above the air collection disc (22), and cavities are respectively arranged in the air distribution disc (21) and the air collection disc (22); the flue gas input pipe (19) is arranged on the evaporation tank (2) and communicated with the gas distribution disc (21), the flue gas output pipe (20) is arranged on the evaporation tank (2) and communicated with the gas collection disc (22), and a plurality of groups of heat conduction pipes (23) are vertically arranged and communicated with the gas distribution disc (21) and the gas collection disc (22);
the second conveying pipe (7) is communicated with the evaporating pot (2) and the ammonia still (3), and a second liquid pump (10) is arranged on the second conveying pipe (7); a liquid discharge pipe (12) is arranged at the bottom of the ammonia still (3), and a control valve is arranged on the liquid discharge pipe (12); the circulating pipe (8) penetrates through the pipe furnace (4), two ends of the circulating pipe (8) are respectively communicated with the ammonia still (3), and a third liquid pump (11) is arranged on the circulating pipe (8); the condensing tank (14) is provided with a first connecting pipe (15) and an output pipe (16), the top of the evaporating tank (2) is provided with a second connecting pipe (17), the top of the ammonia still (3) is provided with a third connecting pipe (18), the other end of the second connecting pipe (17) is connected with the first connecting pipe (15), and the other end of the third connecting pipe (18) is connected with the first connecting pipe (15).
2. The ammonia still equipment of the tube furnace according to claim 1, wherein the ammonia water tank (1) is provided with a tar output pipe, and the tar output pipe is provided with an oil pump.
3. The tubular furnace ammonia still equipment according to claim 1, characterized by further comprising a waste heat recovery device (13); the tail end of the liquid discharge pipe (12) is connected with a waste heat recovery device (13).
4. The tubular furnace ammonia still equipment according to claim 3, characterized in that the waste heat recovery device (13) is provided with a waste liquid output pipe, and the other end of the waste liquid output pipe is connected with a waste liquid treatment device.
5. The tubular furnace ammonia still equipment of claim 1, further comprising a flue gas treatment device; the other end of the flue gas output pipe (20) is connected with a flue gas treatment device.
6. The ammonia still equipment of the tube furnace as claimed in claim 1, wherein the second connecting tube (17) is provided with a control valve, and the control valve is a one-way valve.
7. The ammonia still equipment of the tube furnace as claimed in claim 1, wherein the third connecting tube (18) is provided with a control valve, and the control valve is a one-way valve.
8. The ammonia still equipment of the tube furnace as claimed in claim 1, wherein the ammonia water tank (1) is provided with an ammonia water input pipe (5), and the ammonia water input pipe (5) is provided with a control valve.
9. The tubular furnace ammonia still equipment of claim 1, further comprising an ammonia water preheating device; the input side of the ammonia water preheating device is communicated with the ammonia water tank (1) through a pipeline, and the output side of the ammonia water preheating device is connected with the first conveying pipe (6) through a pipeline.
10. A tube furnace ammonia still according to claim 1, characterized in that the heat conducting tubes (23) are vertically arranged serpentine tubes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022842149.8U CN213771407U (en) | 2020-11-30 | 2020-11-30 | Tubular furnace ammonia still equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022842149.8U CN213771407U (en) | 2020-11-30 | 2020-11-30 | Tubular furnace ammonia still equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213771407U true CN213771407U (en) | 2021-07-23 |
Family
ID=76895745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022842149.8U Expired - Fee Related CN213771407U (en) | 2020-11-30 | 2020-11-30 | Tubular furnace ammonia still equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213771407U (en) |
-
2020
- 2020-11-30 CN CN202022842149.8U patent/CN213771407U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210723 |