CN220737478U - Residual pressure steam utilization system of sulfur melting kettle - Google Patents
Residual pressure steam utilization system of sulfur melting kettle Download PDFInfo
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- CN220737478U CN220737478U CN202321246669.XU CN202321246669U CN220737478U CN 220737478 U CN220737478 U CN 220737478U CN 202321246669 U CN202321246669 U CN 202321246669U CN 220737478 U CN220737478 U CN 220737478U
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- desulfurizing
- communicated
- inlet
- outlet
- liquid
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- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 title claims abstract description 43
- 229910052717 sulfur Inorganic materials 0.000 title claims abstract description 41
- 239000011593 sulfur Substances 0.000 title claims abstract description 41
- 238000002844 melting Methods 0.000 title claims abstract description 37
- 230000008018 melting Effects 0.000 title claims abstract description 37
- 239000007788 liquid Substances 0.000 claims abstract description 84
- 230000003009 desulfurizing effect Effects 0.000 claims abstract description 63
- 239000003513 alkali Substances 0.000 claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 30
- 230000008929 regeneration Effects 0.000 claims abstract description 19
- 238000011069 regeneration method Methods 0.000 claims abstract description 19
- 238000006477 desulfuration reaction Methods 0.000 claims abstract description 17
- 230000023556 desulfurization Effects 0.000 claims abstract description 17
- 230000001172 regenerating effect Effects 0.000 claims abstract description 8
- 239000013589 supplement Substances 0.000 abstract description 5
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 238000004939 coking Methods 0.000 description 2
- 238000011033 desalting Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000003245 coal Substances 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
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- Treating Waste Gases (AREA)
Abstract
The utility model discloses a residual pressure steam utilization system of a sulfur melting kettle, which comprises the sulfur melting kettle, a heat exchanger, an alkali distribution tank, a desulfurizing tower, a desulfurizing liquid tank, a desulfurizing liquid pump and a regenerating tower; the jacket outlet of the sulfur melting kettle is communicated with the heat medium inlet of the heat exchanger, and the heat medium outlet of the heat exchanger is communicated with the water inlet of the alkali distribution groove; the outlet of the desulfurizing liquid tank is communicated with the inlet of the desulfurizing liquid tank, the outlet of the desulfurizing liquid tank is communicated with the inlet of the desulfurizing liquid pump, the outlet of the desulfurizing liquid pump is communicated with the cold medium inlet of the heat exchanger, the cold medium outlet of the heat exchanger is communicated with the inlet of the regeneration tower, and the desulfurizing liquid outlet of the regeneration tower is communicated with the desulfurizing liquid inlet of the desulfurizing tower. The advantages are that: the residual pressure steam exchanges heat with the desulfurization liquid, so that the residual pressure steam can be reused as water supplement of the alkali distribution tank, and equipment and buildings caused by the fact that water vapor in the alkali distribution tank escapes and is entrained with alkali liquor are prevented from being corroded; the heat carried by residual pressure steam is absorbed by the desulfurizing liquid, so that the heat is fully utilized, and the energy consumption is reduced.
Description
Technical field:
the utility model relates to the technical field of coal coking equipment, in particular to a sulfur melting kettle residual pressure steam utilization system.
The background technology is as follows:
the sulfur melting kettle is a common device used in coking production and is used for melting and refining elemental sulfur generated in a desulfurization process. The sulfur melting kettle is heated by high-temperature steam, and the temperature of residual pressure steam at the outlet of a jacket is generally 110-120 ℃. At present, residual pressure steam is discharged after being condensed by an alkali distribution tank, and the heat carried by the residual pressure steam cannot be recovered; in addition, because the condensation efficiency in the alkali distribution tank is low, water vapor in the alkali distribution tank is dissipated, so that not only is water resource wasted, but also alkali liquor is entrained in the water vapor, and the corrosion to equipment and buildings on a production site is serious.
The utility model comprises the following steps:
the utility model aims to provide a residual pressure steam utilization system of a sulfur melting kettle.
The utility model is implemented by the following technical scheme: a residual pressure steam utilization system of a sulfur melting kettle comprises the sulfur melting kettle, a heat exchanger, an alkali distribution tank, a desulfurizing tower, a desulfurizing liquid tank, a desulfurizing liquid pump and a regenerating tower;
the high-temperature steam pipeline is communicated with a jacket inlet of the sulfur melting kettle, a jacket outlet of the sulfur melting kettle is communicated with a heat medium inlet of the heat exchanger through a pipeline, and a heat medium outlet of the heat exchanger is communicated with a water inlet of the alkali distribution groove through a pipeline;
the desulfurizing liquid outlet at the bottom of the desulfurizing tower is communicated with the inlet of the desulfurizing liquid tank through a pipeline, the outlet of the desulfurizing liquid tank is communicated with the inlet of the desulfurizing liquid pump through a pipeline, the outlet of the desulfurizing liquid pump is communicated with the cold medium inlet of the heat exchanger through a pipeline, the cold medium outlet of the heat exchanger is communicated with the inlet of the regeneration tower through a pipeline, the desulfurizing liquid outlet of the regeneration tower is communicated with the desulfurizing liquid inlet of the desulfurizing tower, and the discharge port of the regeneration tower is communicated with the feed inlet of the sulfur melting kettle through a pipeline.
Preferably, the system further comprises a controller, a temperature sensor is arranged at the inlet of the regeneration tower, the signal output end of the temperature sensor is in signal connection with the signal input end of the controller, and the signal output end of the controller is in signal connection with the signal input end of the desulfurization liquid pump.
Preferably, the water inlet of the alkali distribution tank is also communicated with a desalted water main pipe, and the liquid outlet of the alkali distribution tank is communicated with the inlet of the desulfurizing tank through a pipeline.
Preferably, a liquid level meter is arranged in the desulfurization liquid tank, an electric valve is arranged at the outlet of the alkali distribution tank, a signal output end of the liquid level meter is in signal connection with a signal input end of the controller, and a signal output end of the controller is in signal connection with a signal input end of the electric valve.
The utility model has the advantages that: the residual pressure steam and the desulfurizing liquid are subjected to heat exchange, so that the temperature of the residual pressure steam is reduced and condensed into liquid water, the liquid water can be reused as the water supplement of the alkali distribution tank, water resources are saved, and equipment and buildings caused by the fact that water vapor in the alkali distribution tank escapes and is entrained with alkali liquor due to the reduction of the temperature are prevented from being corroded; and the desulfurizing liquid absorbs the heat carried by the residual pressure steam and then enters a regeneration tower for regeneration, so that the heat carried by the residual pressure steam is fully utilized, and the energy consumption is reduced.
Description of the drawings:
in order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of the device connection of example 1;
in the figure: 1. the sulfur melting kettle comprises a sulfur melting kettle body, a heat exchanger, a sulfur melting kettle body, a sulfur melting heat exchanger, a sulfur distributing tank body, a sulfur removing tower body, a sulfur removing liquid tank body, a sulfur removing liquid pump body, a regeneration tower body, a controller body, a power-operated valve body, a liquid level meter, a temperature sensor, a high-temperature steam pipeline body, a desalting water main pipe and a desalting water main pipe.
The specific embodiment is as follows:
the following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1:
as shown in figure 1, the residual pressure steam utilization system of the sulfur melting kettle comprises a sulfur melting kettle 1, a heat exchanger 2, an alkali distribution tank 3, a desulfurizing tower 4, a desulfurizing liquid tank 5, a desulfurizing liquid pump 6, a regenerating tower 7 and a controller 8.
The high-temperature steam pipeline 12 is communicated with a jacket inlet of the sulfur melting kettle 1, a jacket outlet of the sulfur melting kettle 1 is communicated with a heat medium inlet of the heat exchanger 2 through a pipeline, a heat medium outlet of the heat exchanger 2 is communicated with a water inlet of the alkali distribution tank 3 through a pipeline, the water inlet of the alkali distribution tank 3 is also communicated with a desalted water main pipe 13, a liquid outlet of the alkali distribution tank 3 is communicated with an inlet of the desulfurization liquid tank 5 through a pipeline, and an electric valve 9 is arranged at an outlet of the alkali distribution tank 3. The desulfurizing liquid outlet at the bottom of the desulfurizing tower 4 is communicated with the inlet of the desulfurizing liquid tank 5 through a pipeline, the outlet of the desulfurizing liquid tank 5 is communicated with the inlet of the desulfurizing liquid pump 6 through a pipeline, a liquid level meter 10 is arranged in the desulfurizing liquid tank 5, the outlet of the desulfurizing liquid pump 6 is communicated with the cold medium inlet of the heat exchanger 2 through a pipeline, the cold medium outlet of the heat exchanger 2 is communicated with the inlet of the regenerating tower 7 through a pipeline, a temperature sensor 11 is arranged at the inlet of the regenerating tower 7, the desulfurizing liquid outlet of the regenerating tower 7 is communicated with the desulfurizing liquid inlet of the desulfurizing tower 4, and the discharge port of the regenerating tower 7 is communicated with the feed inlet of the sulfur melting kettle 1 through a pipeline. Residual pressure steam discharged by a jacket of the sulfur melting kettle 1 exchanges heat with the desulfurizing liquid, the residual pressure steam is condensed and then is reused as water supplement of the alkali distribution tank, so that water resources are saved, and meanwhile, water vapor in the alkali distribution tank 3 is prevented from escaping due to the reduction of the temperature of the water supplement, and equipment and buildings caused by the fact that alkali liquor is carried out by the water vapor are prevented from being corroded; the heat of the residual pressure steam is used as a heat source for heating the desulfurizing liquid, so that the heat carried by the residual pressure steam is effectively utilized.
The signal output ends of the temperature sensor 11 and the liquid level meter 10 are respectively connected with the signal input end of the controller 8, and the signal output end of the controller 8 is connected with the signal input ends of the desulfurization liquid pump 6 and the electric valve 9. The temperature of the desulfurizing liquid at the inlet of the regeneration tower 7 is monitored in real time, signals are fed back to the controller 8, the rotating speed of the flow desulfurizing liquid pump 6 is controlled by the controller 8, the flow of the desulfurizing liquid is further controlled, and the full utilization of heat carried by residual pressure steam is realized.
The working description:
160-170 ℃ high-temperature steam enters a jacket from an inlet of the jacket of the sulfur melting kettle 1, after the sulfur melting kettle 1 is heated, 110-120 ℃ residual pressure steam is discharged from an outlet of the jacket of the sulfur melting kettle 1, enters a heat exchanger 2 to exchange heat with desulfurizing liquid from a desulfurizing liquid tank 5, after the residual pressure steam is condensed, the residual pressure steam is taken as water supplement and enters an alkali distribution tank 3 together with desalted water of a desalted water header pipe 13, the desulfurizing liquid is heated to 40 ℃ and enters a regeneration tower 7 from an inlet of the regeneration tower 7, the regenerated desulfurizing liquid enters a desulfurizing tower 4 to continuously desulfurize coal gas, and elemental sulfur in the regeneration tower 7 enters the sulfur melting kettle 1 to be heated to be sulfur in a molten state which is easy to flow. When the temperature detected by the temperature sensor 11 at the inlet of the regeneration tower 7 is higher than 40 ℃, the rotation speed of the desulfurization liquid pump 6 is increased by the controller 8, so that the flow rate of desulfurization liquid is increased, and when the temperature detected by the temperature sensor 11 at the inlet of desulfurization liquid is lower than 40 ℃, the rotation speed of the desulfurization liquid is reduced by the controller 8, so that the flow rate of desulfurization liquid is reduced, and on the premise of ensuring the temperature of the desulfurization liquid entering the regeneration tower 7 to be stable, the heat carried by residual pressure steam is fully utilized. When the liquid level detected by the liquid level meter 10 in the desulfurization liquid tank 5 is lower than the set lower limit value, the electric valve 9 at the outlet of the alkali distribution tank 3 is opened, alkali liquid is supplemented to the desulfurization liquid tank 5, and when the liquid level detected by the liquid level meter 10 in the desulfurization liquid tank 5 reaches the set upper limit value, the electric valve 9 is closed.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (4)
1. The residual pressure steam utilization system of the sulfur melting kettle is characterized by comprising the sulfur melting kettle, a heat exchanger, an alkali distribution tank, a desulfurizing tower, a desulfurizing liquid tank, a desulfurizing liquid pump and a regenerating tower;
the high-temperature steam pipeline is communicated with a jacket inlet of the sulfur melting kettle, a jacket outlet of the sulfur melting kettle is communicated with a heat medium inlet of the heat exchanger through a pipeline, and a heat medium outlet of the heat exchanger is communicated with a water inlet of the alkali distribution groove through a pipeline;
the desulfurizing liquid outlet at the bottom of the desulfurizing tower is communicated with the inlet of the desulfurizing liquid tank through a pipeline, the outlet of the desulfurizing liquid tank is communicated with the inlet of the desulfurizing liquid pump through a pipeline, the outlet of the desulfurizing liquid pump is communicated with the cold medium inlet of the heat exchanger through a pipeline, the cold medium outlet of the heat exchanger is communicated with the inlet of the regeneration tower through a pipeline, the desulfurizing liquid outlet of the regeneration tower is communicated with the desulfurizing liquid inlet of the desulfurizing tower, and the discharge port of the regeneration tower is communicated with the feed inlet of the sulfur melting kettle through a pipeline.
2. The sulfur melting kettle residual pressure steam utilization system according to claim 1, further comprising a controller, wherein a temperature sensor is arranged at the inlet of the regeneration tower, a signal output end of the temperature sensor is in signal connection with a signal input end of the controller, and a signal output end of the controller is in signal connection with a signal input end of the desulfurization liquid pump.
3. The sulfur melting kettle residual pressure steam utilization system according to claim 2, wherein the water inlet of the alkali distribution tank is also communicated with a desalted water main pipe, and the liquid outlet of the alkali distribution tank is communicated with the inlet of the desulfurizing tank through a pipeline.
4. The residual pressure steam utilization system of the sulfur melting kettle according to claim 3, wherein a liquid level meter is arranged in the desulfurization liquid tank, an electric valve is arranged at the outlet of the alkali distribution tank, a signal output end of the liquid level meter is in signal connection with a signal input end of the controller, and a signal output end of the controller is in signal connection with a signal input end of the electric valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321246669.XU CN220737478U (en) | 2023-05-22 | 2023-05-22 | Residual pressure steam utilization system of sulfur melting kettle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321246669.XU CN220737478U (en) | 2023-05-22 | 2023-05-22 | Residual pressure steam utilization system of sulfur melting kettle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220737478U true CN220737478U (en) | 2024-04-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321246669.XU Active CN220737478U (en) | 2023-05-22 | 2023-05-22 | Residual pressure steam utilization system of sulfur melting kettle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220737478U (en) |
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2023
- 2023-05-22 CN CN202321246669.XU patent/CN220737478U/en active Active
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